| Index: pkg/analyzer-experimental/lib/src/generated/parser.dart
|
| diff --git a/pkg/analyzer-experimental/lib/src/generated/parser.dart b/pkg/analyzer-experimental/lib/src/generated/parser.dart
|
| deleted file mode 100644
|
| index aeb4e1c411b3fd1532e37103e9caf39c5541132f..0000000000000000000000000000000000000000
|
| --- a/pkg/analyzer-experimental/lib/src/generated/parser.dart
|
| +++ /dev/null
|
| @@ -1,5661 +0,0 @@
|
| -// This code was auto-generated, is not intended to be edited, and is subject to
|
| -// significant change. Please see the README file for more information.
|
| -
|
| -library engine.parser;
|
| -
|
| -import 'dart:collection';
|
| -import 'java_core.dart';
|
| -import 'java_engine.dart';
|
| -import 'error.dart';
|
| -import 'source.dart';
|
| -import 'scanner.dart';
|
| -import 'ast.dart';
|
| -import 'package:analyzer-experimental/src/generated/utilities_dart.dart';
|
| -
|
| -/**
|
| - * Instances of the class {@code CommentAndMetadata} implement a simple data-holder for a method
|
| - * that needs to return multiple values.
|
| - * @coverage dart.engine.parser
|
| - */
|
| -class CommentAndMetadata {
|
| - /**
|
| - * The documentation comment that was parsed, or {@code null} if none was given.
|
| - */
|
| - Comment _comment;
|
| - /**
|
| - * The metadata that was parsed.
|
| - */
|
| - List<Annotation> _metadata;
|
| - /**
|
| - * Initialize a newly created holder with the given data.
|
| - * @param comment the documentation comment that was parsed
|
| - * @param metadata the metadata that was parsed
|
| - */
|
| - CommentAndMetadata(Comment comment, List<Annotation> metadata) {
|
| - this._comment = comment;
|
| - this._metadata = metadata;
|
| - }
|
| - /**
|
| - * Return the documentation comment that was parsed, or {@code null} if none was given.
|
| - * @return the documentation comment that was parsed
|
| - */
|
| - Comment get comment => _comment;
|
| - /**
|
| - * Return the metadata that was parsed. If there was no metadata, then the list will be empty.
|
| - * @return the metadata that was parsed
|
| - */
|
| - List<Annotation> get metadata => _metadata;
|
| -}
|
| -/**
|
| - * Instances of the class {@code FinalConstVarOrType} implement a simple data-holder for a method
|
| - * that needs to return multiple values.
|
| - * @coverage dart.engine.parser
|
| - */
|
| -class FinalConstVarOrType {
|
| - /**
|
| - * The 'final', 'const' or 'var' keyword, or {@code null} if none was given.
|
| - */
|
| - Token _keyword;
|
| - /**
|
| - * The type, of {@code null} if no type was specified.
|
| - */
|
| - TypeName _type;
|
| - /**
|
| - * Initialize a newly created holder with the given data.
|
| - * @param keyword the 'final', 'const' or 'var' keyword
|
| - * @param type the type
|
| - */
|
| - FinalConstVarOrType(Token keyword, TypeName type) {
|
| - this._keyword = keyword;
|
| - this._type = type;
|
| - }
|
| - /**
|
| - * Return the 'final', 'const' or 'var' keyword, or {@code null} if none was given.
|
| - * @return the 'final', 'const' or 'var' keyword
|
| - */
|
| - Token get keyword => _keyword;
|
| - /**
|
| - * Return the type, of {@code null} if no type was specified.
|
| - * @return the type
|
| - */
|
| - TypeName get type => _type;
|
| -}
|
| -/**
|
| - * Instances of the class {@code Modifiers} implement a simple data-holder for a method that needs
|
| - * to return multiple values.
|
| - * @coverage dart.engine.parser
|
| - */
|
| -class Modifiers {
|
| - /**
|
| - * The token representing the keyword 'abstract', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _abstractKeyword;
|
| - /**
|
| - * The token representing the keyword 'const', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _constKeyword;
|
| - /**
|
| - * The token representing the keyword 'external', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _externalKeyword;
|
| - /**
|
| - * The token representing the keyword 'factory', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _factoryKeyword;
|
| - /**
|
| - * The token representing the keyword 'final', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _finalKeyword;
|
| - /**
|
| - * The token representing the keyword 'static', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _staticKeyword;
|
| - /**
|
| - * The token representing the keyword 'var', or {@code null} if the keyword was not found.
|
| - */
|
| - Token _varKeyword;
|
| - /**
|
| - * Initialize a newly created and empty set of modifiers.
|
| - */
|
| - Modifiers() : super() {
|
| - }
|
| - /**
|
| - * Return the token representing the keyword 'abstract', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'abstract'
|
| - */
|
| - Token get abstractKeyword => _abstractKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'const', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'const'
|
| - */
|
| - Token get constKeyword => _constKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'external', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'external'
|
| - */
|
| - Token get externalKeyword => _externalKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'factory', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'factory'
|
| - */
|
| - Token get factoryKeyword => _factoryKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'final', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'final'
|
| - */
|
| - Token get finalKeyword => _finalKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'static', or {@code null} if the keyword was not
|
| - * found.
|
| - * @return the token representing the keyword 'static'
|
| - */
|
| - Token get staticKeyword => _staticKeyword;
|
| - /**
|
| - * Return the token representing the keyword 'var', or {@code null} if the keyword was not found.
|
| - * @return the token representing the keyword 'var'
|
| - */
|
| - Token get varKeyword => _varKeyword;
|
| - /**
|
| - * Set the token representing the keyword 'abstract' to the given token.
|
| - * @param abstractKeyword the token representing the keyword 'abstract'
|
| - */
|
| - void set abstractKeyword(Token abstractKeyword4) {
|
| - this._abstractKeyword = abstractKeyword4;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'const' to the given token.
|
| - * @param constKeyword the token representing the keyword 'const'
|
| - */
|
| - void set constKeyword(Token constKeyword3) {
|
| - this._constKeyword = constKeyword3;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'external' to the given token.
|
| - * @param externalKeyword the token representing the keyword 'external'
|
| - */
|
| - void set externalKeyword(Token externalKeyword5) {
|
| - this._externalKeyword = externalKeyword5;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'factory' to the given token.
|
| - * @param factoryKeyword the token representing the keyword 'factory'
|
| - */
|
| - void set factoryKeyword(Token factoryKeyword3) {
|
| - this._factoryKeyword = factoryKeyword3;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'final' to the given token.
|
| - * @param finalKeyword the token representing the keyword 'final'
|
| - */
|
| - void set finalKeyword(Token finalKeyword2) {
|
| - this._finalKeyword = finalKeyword2;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'static' to the given token.
|
| - * @param staticKeyword the token representing the keyword 'static'
|
| - */
|
| - void set staticKeyword(Token staticKeyword2) {
|
| - this._staticKeyword = staticKeyword2;
|
| - }
|
| - /**
|
| - * Set the token representing the keyword 'var' to the given token.
|
| - * @param varKeyword the token representing the keyword 'var'
|
| - */
|
| - void set varKeyword(Token varKeyword2) {
|
| - this._varKeyword = varKeyword2;
|
| - }
|
| - String toString() {
|
| - JavaStringBuilder builder = new JavaStringBuilder();
|
| - bool needsSpace = appendKeyword(builder, false, _abstractKeyword);
|
| - needsSpace = appendKeyword(builder, needsSpace, _constKeyword);
|
| - needsSpace = appendKeyword(builder, needsSpace, _externalKeyword);
|
| - needsSpace = appendKeyword(builder, needsSpace, _factoryKeyword);
|
| - needsSpace = appendKeyword(builder, needsSpace, _finalKeyword);
|
| - needsSpace = appendKeyword(builder, needsSpace, _staticKeyword);
|
| - appendKeyword(builder, needsSpace, _varKeyword);
|
| - return builder.toString();
|
| - }
|
| - /**
|
| - * If the given keyword is not {@code null}, append it to the given builder, prefixing it with a
|
| - * space if needed.
|
| - * @param builder the builder to which the keyword will be appended
|
| - * @param needsSpace {@code true} if the keyword needs to be prefixed with a space
|
| - * @param keyword the keyword to be appended
|
| - * @return {@code true} if subsequent keywords need to be prefixed with a space
|
| - */
|
| - bool appendKeyword(JavaStringBuilder builder, bool needsSpace, Token keyword) {
|
| - if (keyword != null) {
|
| - if (needsSpace) {
|
| - builder.appendChar(0x20);
|
| - }
|
| - builder.append(keyword.lexeme);
|
| - return true;
|
| - }
|
| - return needsSpace;
|
| - }
|
| -}
|
| -/**
|
| - * Instances of the class {@code Parser} are used to parse tokens into an AST structure.
|
| - * @coverage dart.engine.parser
|
| - */
|
| -class Parser {
|
| - /**
|
| - * The source being parsed.
|
| - */
|
| - Source _source;
|
| - /**
|
| - * The error listener that will be informed of any errors that are found during the parse.
|
| - */
|
| - AnalysisErrorListener _errorListener;
|
| - /**
|
| - * The next token to be parsed.
|
| - */
|
| - Token _currentToken;
|
| - /**
|
| - * A flag indicating whether the parser is currently in the body of a loop.
|
| - */
|
| - bool _inLoop = false;
|
| - /**
|
| - * A flag indicating whether the parser is currently in a switch statement.
|
| - */
|
| - bool _inSwitch = false;
|
| - static String _HIDE = "hide";
|
| - static String _OF = "of";
|
| - static String _ON = "on";
|
| - static String _SHOW = "show";
|
| - /**
|
| - * Initialize a newly created parser.
|
| - * @param source the source being parsed
|
| - * @param errorListener the error listener that will be informed of any errors that are found
|
| - * during the parse
|
| - */
|
| - Parser(Source source, AnalysisErrorListener errorListener) {
|
| - this._source = source;
|
| - this._errorListener = errorListener;
|
| - }
|
| - /**
|
| - * Parse a compilation unit, starting with the given token.
|
| - * @param token the first token of the compilation unit
|
| - * @return the compilation unit that was parsed
|
| - */
|
| - CompilationUnit parseCompilationUnit(Token token) {
|
| - _currentToken = token;
|
| - return parseCompilationUnit2();
|
| - }
|
| - /**
|
| - * Parse an expression, starting with the given token.
|
| - * @param token the first token of the expression
|
| - * @return the expression that was parsed, or {@code null} if the tokens do not represent a
|
| - * recognizable expression
|
| - */
|
| - Expression parseExpression(Token token) {
|
| - _currentToken = token;
|
| - return parseExpression2();
|
| - }
|
| - /**
|
| - * Parse a statement, starting with the given token.
|
| - * @param token the first token of the statement
|
| - * @return the statement that was parsed, or {@code null} if the tokens do not represent a
|
| - * recognizable statement
|
| - */
|
| - Statement parseStatement(Token token) {
|
| - _currentToken = token;
|
| - return parseStatement2();
|
| - }
|
| - /**
|
| - * Parse a sequence of statements, starting with the given token.
|
| - * @param token the first token of the sequence of statement
|
| - * @return the statements that were parsed, or {@code null} if the tokens do not represent a
|
| - * recognizable sequence of statements
|
| - */
|
| - List<Statement> parseStatements(Token token) {
|
| - _currentToken = token;
|
| - return parseStatements2();
|
| - }
|
| - void set currentToken(Token currentToken2) {
|
| - this._currentToken = currentToken2;
|
| - }
|
| - /**
|
| - * Advance to the next token in the token stream.
|
| - */
|
| - void advance() {
|
| - _currentToken = _currentToken.next;
|
| - }
|
| - /**
|
| - * Append the character equivalent of the given scalar value to the given builder. Use the start
|
| - * and end indices to report an error, and don't append anything to the builder, if the scalar
|
| - * value is invalid.
|
| - * @param builder the builder to which the scalar value is to be appended
|
| - * @param escapeSequence the escape sequence that was parsed to produce the scalar value
|
| - * @param scalarValue the value to be appended
|
| - * @param startIndex the index of the first character representing the scalar value
|
| - * @param endIndex the index of the last character representing the scalar value
|
| - */
|
| - void appendScalarValue(JavaStringBuilder builder, String escapeSequence, int scalarValue, int startIndex, int endIndex) {
|
| - if (scalarValue < 0 || scalarValue > Character.MAX_CODE_POINT || (scalarValue >= 0xD800 && scalarValue <= 0xDFFF)) {
|
| - reportError4(ParserErrorCode.INVALID_CODE_POINT, [escapeSequence]);
|
| - return;
|
| - }
|
| - if (scalarValue < Character.MAX_VALUE) {
|
| - builder.appendChar((scalarValue as int));
|
| - } else {
|
| - builder.append(Character.toChars(scalarValue));
|
| - }
|
| - }
|
| - /**
|
| - * Compute the content of a string with the given literal representation.
|
| - * @param lexeme the literal representation of the string
|
| - * @return the actual value of the string
|
| - */
|
| - String computeStringValue(String lexeme) {
|
| - if (lexeme.startsWith("r\"\"\"") || lexeme.startsWith("r'''")) {
|
| - if (lexeme.length > 4) {
|
| - return lexeme.substring(4, lexeme.length - 3);
|
| - }
|
| - } else if (lexeme.startsWith("r\"") || lexeme.startsWith("r'")) {
|
| - if (lexeme.length > 2) {
|
| - return lexeme.substring(2, lexeme.length - 1);
|
| - }
|
| - }
|
| - int start = 0;
|
| - if (lexeme.startsWith("\"\"\"") || lexeme.startsWith("'''")) {
|
| - start += 3;
|
| - } else if (lexeme.startsWith("\"") || lexeme.startsWith("'")) {
|
| - start += 1;
|
| - }
|
| - int end = lexeme.length;
|
| - if (end > 3 && (lexeme.endsWith("\"\"\"") || lexeme.endsWith("'''"))) {
|
| - end -= 3;
|
| - } else if (end > 1 && (lexeme.endsWith("\"") || lexeme.endsWith("'"))) {
|
| - end -= 1;
|
| - }
|
| - JavaStringBuilder builder = new JavaStringBuilder();
|
| - int index = start;
|
| - while (index < end) {
|
| - index = translateCharacter(builder, lexeme, index);
|
| - }
|
| - return builder.toString();
|
| - }
|
| - /**
|
| - * Create a synthetic identifier.
|
| - * @return the synthetic identifier that was created
|
| - */
|
| - SimpleIdentifier createSyntheticIdentifier() => new SimpleIdentifier.full(createSyntheticToken(TokenType.IDENTIFIER));
|
| - /**
|
| - * Create a synthetic string literal.
|
| - * @return the synthetic string literal that was created
|
| - */
|
| - SimpleStringLiteral createSyntheticStringLiteral() => new SimpleStringLiteral.full(createSyntheticToken(TokenType.STRING), "");
|
| - /**
|
| - * Create a synthetic token with the given type.
|
| - * @return the synthetic token that was created
|
| - */
|
| - Token createSyntheticToken(TokenType type) => new StringToken(type, "", _currentToken.offset);
|
| - /**
|
| - * Check that the given expression is assignable and report an error if it isn't.
|
| - * <pre>
|
| - * assignableExpression ::=
|
| - * primary (arguments* assignableSelector)+
|
| - * | 'super' assignableSelector
|
| - * | identifier
|
| - * assignableSelector ::=
|
| - * '[' expression ']'
|
| - * | '.' identifier
|
| - * </pre>
|
| - * @param expression the expression being checked
|
| - */
|
| - void ensureAssignable(Expression expression) {
|
| - if (expression != null && !expression.isAssignable()) {
|
| - reportError4(ParserErrorCode.ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE, []);
|
| - }
|
| - }
|
| - /**
|
| - * If the current token is a keyword matching the given string, return it after advancing to the
|
| - * next token. Otherwise report an error and return the current token without advancing.
|
| - * @param keyword the keyword that is expected
|
| - * @return the token that matched the given type
|
| - */
|
| - Token expect(Keyword keyword) {
|
| - if (matches(keyword)) {
|
| - return andAdvance;
|
| - }
|
| - reportError4(ParserErrorCode.EXPECTED_TOKEN, [keyword.syntax]);
|
| - return _currentToken;
|
| - }
|
| - /**
|
| - * If the current token has the expected type, return it after advancing to the next token.
|
| - * Otherwise report an error and return the current token without advancing.
|
| - * @param type the type of token that is expected
|
| - * @return the token that matched the given type
|
| - */
|
| - Token expect2(TokenType type) {
|
| - if (matches5(type)) {
|
| - return andAdvance;
|
| - }
|
| - if (identical(type, TokenType.SEMICOLON)) {
|
| - reportError5(ParserErrorCode.EXPECTED_TOKEN, _currentToken.previous, [type.lexeme]);
|
| - } else {
|
| - reportError4(ParserErrorCode.EXPECTED_TOKEN, [type.lexeme]);
|
| - }
|
| - return _currentToken;
|
| - }
|
| - /**
|
| - * Advance to the next token in the token stream, making it the new current token.
|
| - * @return the token that was current before this method was invoked
|
| - */
|
| - Token get andAdvance {
|
| - Token token = _currentToken;
|
| - advance();
|
| - return token;
|
| - }
|
| - /**
|
| - * Return {@code true} if the current token is the first token of a return type that is followed
|
| - * by an identifier, possibly followed by a list of type parameters, followed by a
|
| - * left-parenthesis. This is used by parseTypeAlias to determine whether or not to parse a return
|
| - * type.
|
| - * @return {@code true} if we can successfully parse the rest of a type alias if we first parse a
|
| - * return type.
|
| - */
|
| - bool hasReturnTypeInTypeAlias() {
|
| - Token next = skipReturnType(_currentToken);
|
| - if (next == null) {
|
| - return false;
|
| - }
|
| - return matchesIdentifier2(next);
|
| - }
|
| - /**
|
| - * Return {@code true} if the current token appears to be the beginning of a function declaration.
|
| - * @return {@code true} if the current token appears to be the beginning of a function declaration
|
| - */
|
| - bool isFunctionDeclaration() {
|
| - if (matches(Keyword.VOID)) {
|
| - return true;
|
| - }
|
| - Token afterReturnType = skipTypeName(_currentToken);
|
| - if (afterReturnType == null) {
|
| - afterReturnType = _currentToken;
|
| - }
|
| - Token afterIdentifier = skipSimpleIdentifier(afterReturnType);
|
| - if (afterIdentifier == null) {
|
| - afterIdentifier = skipSimpleIdentifier(_currentToken);
|
| - }
|
| - if (afterIdentifier == null) {
|
| - return false;
|
| - }
|
| - return isFunctionExpression(afterIdentifier);
|
| - }
|
| - /**
|
| - * Return {@code true} if the given token appears to be the beginning of a function expression.
|
| - * @param startToken the token that might be the start of a function expression
|
| - * @return {@code true} if the given token appears to be the beginning of a function expression
|
| - */
|
| - bool isFunctionExpression(Token startToken) {
|
| - Token afterParameters = skipFormalParameterList(startToken);
|
| - if (afterParameters == null) {
|
| - return false;
|
| - }
|
| - return matchesAny(afterParameters, [TokenType.OPEN_CURLY_BRACKET, TokenType.FUNCTION]);
|
| - }
|
| - /**
|
| - * Return {@code true} if the given character is a valid hexadecimal digit.
|
| - * @param character the character being tested
|
| - * @return {@code true} if the character is a valid hexadecimal digit
|
| - */
|
| - bool isHexDigit(int character) => (0x30 <= character && character <= 0x39) || (0x41 <= character && character <= 0x46) || (0x61 <= character && character <= 0x66);
|
| - /**
|
| - * Return {@code true} if the current token is the first token in an initialized variable
|
| - * declaration rather than an expression. This method assumes that we have already skipped past
|
| - * any metadata that might be associated with the declaration.
|
| - * <pre>
|
| - * initializedVariableDeclaration ::=
|
| - * declaredIdentifier ('=' expression)? (',' initializedIdentifier)
|
| - * declaredIdentifier ::=
|
| - * metadata finalConstVarOrType identifier
|
| - * finalConstVarOrType ::=
|
| - * 'final' type?
|
| - * | 'const' type?
|
| - * | 'var'
|
| - * | type
|
| - * type ::=
|
| - * qualified typeArguments?
|
| - * initializedIdentifier ::=
|
| - * identifier ('=' expression)?
|
| - * </pre>
|
| - * @return {@code true} if the current token is the first token in an initialized variable
|
| - * declaration
|
| - */
|
| - bool isInitializedVariableDeclaration() {
|
| - if (matches(Keyword.FINAL) || matches(Keyword.CONST) || matches(Keyword.VAR)) {
|
| - return true;
|
| - }
|
| - Token token = skipTypeName(_currentToken);
|
| - if (token == null) {
|
| - return false;
|
| - }
|
| - token = skipSimpleIdentifier(token);
|
| - if (token == null) {
|
| - return false;
|
| - }
|
| - TokenType type21 = token.type;
|
| - return identical(type21, TokenType.EQ) || identical(type21, TokenType.COMMA) || identical(type21, TokenType.SEMICOLON) || matches3(token, Keyword.IN);
|
| - }
|
| - /**
|
| - * Return {@code true} if the current token appears to be the beginning of a switch member.
|
| - * @return {@code true} if the current token appears to be the beginning of a switch member
|
| - */
|
| - bool isSwitchMember() {
|
| - Token token = _currentToken;
|
| - while (matches4(token, TokenType.IDENTIFIER) && matches4(token.next, TokenType.COLON)) {
|
| - token = token.next.next;
|
| - }
|
| - if (identical(token.type, TokenType.KEYWORD)) {
|
| - Keyword keyword29 = ((token as KeywordToken)).keyword;
|
| - return identical(keyword29, Keyword.CASE) || identical(keyword29, Keyword.DEFAULT);
|
| - }
|
| - return false;
|
| - }
|
| - /**
|
| - * Compare the given tokens to find the token that appears first in the source being parsed. That
|
| - * is, return the left-most of all of the tokens. The arguments are allowed to be {@code null}.
|
| - * Return the token with the smallest offset, or {@code null} if there are no arguments or if all
|
| - * of the arguments are {@code null}.
|
| - * @param tokens the tokens being compared
|
| - * @return the token with the smallest offset
|
| - */
|
| - Token lexicallyFirst(List<Token> tokens) {
|
| - Token first = null;
|
| - int firstOffset = 2147483647;
|
| - for (Token token in tokens) {
|
| - if (token != null) {
|
| - int offset5 = token.offset;
|
| - if (offset5 < firstOffset) {
|
| - first = token;
|
| - }
|
| - }
|
| - }
|
| - return first;
|
| - }
|
| - /**
|
| - * Return {@code true} if the current token matches the given keyword.
|
| - * @param keyword the keyword that can optionally appear in the current location
|
| - * @return {@code true} if the current token matches the given keyword
|
| - */
|
| - bool matches(Keyword keyword) => matches3(_currentToken, keyword);
|
| - /**
|
| - * Return {@code true} if the current token matches the given identifier.
|
| - * @param identifier the identifier that can optionally appear in the current location
|
| - * @return {@code true} if the current token matches the given identifier
|
| - */
|
| - bool matches2(String identifier) => identical(_currentToken.type, TokenType.IDENTIFIER) && _currentToken.lexeme == identifier;
|
| - /**
|
| - * Return {@code true} if the given token matches the given keyword.
|
| - * @param token the token being tested
|
| - * @param keyword the keyword that is being tested for
|
| - * @return {@code true} if the given token matches the given keyword
|
| - */
|
| - bool matches3(Token token, Keyword keyword37) => identical(token.type, TokenType.KEYWORD) && identical(((token as KeywordToken)).keyword, keyword37);
|
| - /**
|
| - * Return {@code true} if the given token has the given type.
|
| - * @param token the token being tested
|
| - * @param type the type of token that is being tested for
|
| - * @return {@code true} if the given token has the given type
|
| - */
|
| - bool matches4(Token token, TokenType type30) => identical(token.type, type30);
|
| - /**
|
| - * Return {@code true} if the current token has the given type. Note that this method, unlike
|
| - * other variants, will modify the token stream if possible to match a wider range of tokens. In
|
| - * particular, if we are attempting to match a '>' and the next token is either a '>>' or '>>>',
|
| - * the token stream will be re-written and {@code true} will be returned.
|
| - * @param type the type of token that can optionally appear in the current location
|
| - * @return {@code true} if the current token has the given type
|
| - */
|
| - bool matches5(TokenType type31) {
|
| - TokenType currentType = _currentToken.type;
|
| - if (currentType != type31) {
|
| - if (identical(type31, TokenType.GT)) {
|
| - if (identical(currentType, TokenType.GT_GT)) {
|
| - int offset6 = _currentToken.offset;
|
| - Token first = new Token(TokenType.GT, offset6);
|
| - Token second = new Token(TokenType.GT, offset6 + 1);
|
| - second.setNext(_currentToken.next);
|
| - first.setNext(second);
|
| - _currentToken.previous.setNext(first);
|
| - _currentToken = first;
|
| - return true;
|
| - } else if (identical(currentType, TokenType.GT_EQ)) {
|
| - int offset7 = _currentToken.offset;
|
| - Token first = new Token(TokenType.GT, offset7);
|
| - Token second = new Token(TokenType.EQ, offset7 + 1);
|
| - second.setNext(_currentToken.next);
|
| - first.setNext(second);
|
| - _currentToken.previous.setNext(first);
|
| - _currentToken = first;
|
| - return true;
|
| - } else if (identical(currentType, TokenType.GT_GT_EQ)) {
|
| - int offset8 = _currentToken.offset;
|
| - Token first = new Token(TokenType.GT, offset8);
|
| - Token second = new Token(TokenType.GT, offset8 + 1);
|
| - Token third = new Token(TokenType.EQ, offset8 + 2);
|
| - third.setNext(_currentToken.next);
|
| - second.setNext(third);
|
| - first.setNext(second);
|
| - _currentToken.previous.setNext(first);
|
| - _currentToken = first;
|
| - return true;
|
| - }
|
| - }
|
| - return false;
|
| - }
|
| - return true;
|
| - }
|
| - /**
|
| - * Return {@code true} if the given token has any one of the given types.
|
| - * @param token the token being tested
|
| - * @param types the types of token that are being tested for
|
| - * @return {@code true} if the given token has any of the given types
|
| - */
|
| - bool matchesAny(Token token, List<TokenType> types) {
|
| - TokenType actualType = token.type;
|
| - for (TokenType type in types) {
|
| - if (identical(actualType, type)) {
|
| - return true;
|
| - }
|
| - }
|
| - return false;
|
| - }
|
| - /**
|
| - * Return {@code true} if the current token is a valid identifier. Valid identifiers include
|
| - * built-in identifiers (pseudo-keywords).
|
| - * @return {@code true} if the current token is a valid identifier
|
| - */
|
| - bool matchesIdentifier() => matchesIdentifier2(_currentToken);
|
| - /**
|
| - * Return {@code true} if the given token is a valid identifier. Valid identifiers include
|
| - * built-in identifiers (pseudo-keywords).
|
| - * @return {@code true} if the given token is a valid identifier
|
| - */
|
| - bool matchesIdentifier2(Token token) => matches4(token, TokenType.IDENTIFIER) || (matches4(token, TokenType.KEYWORD) && ((token as KeywordToken)).keyword.isPseudoKeyword());
|
| - /**
|
| - * If the current token has the given type, then advance to the next token and return {@code true}. Otherwise, return {@code false} without advancing.
|
| - * @param type the type of token that can optionally appear in the current location
|
| - * @return {@code true} if the current token has the given type
|
| - */
|
| - bool optional(TokenType type) {
|
| - if (matches5(type)) {
|
| - advance();
|
| - return true;
|
| - }
|
| - return false;
|
| - }
|
| - /**
|
| - * Parse an additive expression.
|
| - * <pre>
|
| - * additiveExpression ::=
|
| - * multiplicativeExpression (additiveOperator multiplicativeExpression)
|
| - * | 'super' (additiveOperator multiplicativeExpression)+
|
| - * </pre>
|
| - * @return the additive expression that was parsed
|
| - */
|
| - Expression parseAdditiveExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && _currentToken.next.type.isAdditiveOperator()) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseMultiplicativeExpression();
|
| - }
|
| - while (_currentToken.type.isAdditiveOperator()) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseMultiplicativeExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse an annotation.
|
| - * <pre>
|
| - * annotation ::=
|
| - * '@' qualified (‘.’ identifier)? arguments?
|
| - * </pre>
|
| - * @return the annotation that was parsed
|
| - */
|
| - Annotation parseAnnotation() {
|
| - Token atSign = expect2(TokenType.AT);
|
| - Identifier name = parsePrefixedIdentifier();
|
| - Token period = null;
|
| - SimpleIdentifier constructorName = null;
|
| - if (matches5(TokenType.PERIOD)) {
|
| - period = andAdvance;
|
| - constructorName = parseSimpleIdentifier();
|
| - }
|
| - ArgumentList arguments = null;
|
| - if (matches5(TokenType.OPEN_PAREN)) {
|
| - arguments = parseArgumentList();
|
| - }
|
| - return new Annotation.full(atSign, name, period, constructorName, arguments);
|
| - }
|
| - /**
|
| - * Parse an argument.
|
| - * <pre>
|
| - * argument ::=
|
| - * namedArgument
|
| - * | expression
|
| - * namedArgument ::=
|
| - * label expression
|
| - * </pre>
|
| - * @return the argument that was parsed
|
| - */
|
| - Expression parseArgument() {
|
| - if (matchesIdentifier() && matches4(peek(), TokenType.COLON)) {
|
| - SimpleIdentifier label = new SimpleIdentifier.full(andAdvance);
|
| - Label name = new Label.full(label, andAdvance);
|
| - return new NamedExpression.full(name, parseExpression2());
|
| - } else {
|
| - return parseExpression2();
|
| - }
|
| - }
|
| - /**
|
| - * Parse an argument definition test.
|
| - * <pre>
|
| - * argumentDefinitionTest ::=
|
| - * '?' identifier
|
| - * </pre>
|
| - * @return the argument definition test that was parsed
|
| - */
|
| - ArgumentDefinitionTest parseArgumentDefinitionTest() {
|
| - Token question = expect2(TokenType.QUESTION);
|
| - SimpleIdentifier identifier = parseSimpleIdentifier();
|
| - return new ArgumentDefinitionTest.full(question, identifier);
|
| - }
|
| - /**
|
| - * Parse a list of arguments.
|
| - * <pre>
|
| - * arguments ::=
|
| - * '(' argumentList? ')'
|
| - * argumentList ::=
|
| - * namedArgument (',' namedArgument)
|
| - * | expressionList (',' namedArgument)
|
| - * </pre>
|
| - * @return the argument list that was parsed
|
| - */
|
| - ArgumentList parseArgumentList() {
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - List<Expression> arguments = new List<Expression>();
|
| - if (matches5(TokenType.CLOSE_PAREN)) {
|
| - return new ArgumentList.full(leftParenthesis, arguments, andAdvance);
|
| - }
|
| - Expression argument = parseArgument();
|
| - arguments.add(argument);
|
| - bool foundNamedArgument = argument is NamedExpression;
|
| - bool generatedError = false;
|
| - while (optional(TokenType.COMMA)) {
|
| - argument = parseArgument();
|
| - arguments.add(argument);
|
| - if (foundNamedArgument) {
|
| - if (!generatedError && argument is! NamedExpression) {
|
| - reportError4(ParserErrorCode.POSITIONAL_AFTER_NAMED_ARGUMENT, []);
|
| - generatedError = true;
|
| - }
|
| - } else if (argument is NamedExpression) {
|
| - foundNamedArgument = true;
|
| - }
|
| - }
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - return new ArgumentList.full(leftParenthesis, arguments, rightParenthesis);
|
| - }
|
| - /**
|
| - * Parse an assert statement.
|
| - * <pre>
|
| - * assertStatement ::=
|
| - * 'assert' '(' conditionalExpression ')' ';'
|
| - * </pre>
|
| - * @return the assert statement
|
| - */
|
| - AssertStatement parseAssertStatement() {
|
| - Token keyword = expect(Keyword.ASSERT);
|
| - Token leftParen = expect2(TokenType.OPEN_PAREN);
|
| - Expression expression = parseConditionalExpression();
|
| - Token rightParen = expect2(TokenType.CLOSE_PAREN);
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new AssertStatement.full(keyword, leftParen, expression, rightParen, semicolon);
|
| - }
|
| - /**
|
| - * Parse an assignable expression.
|
| - * <pre>
|
| - * assignableExpression ::=
|
| - * primary (arguments* assignableSelector)+
|
| - * | 'super' assignableSelector
|
| - * | identifier
|
| - * </pre>
|
| - * @param primaryAllowed {@code true} if the expression is allowed to be a primary without any
|
| - * assignable selector
|
| - * @return the assignable expression that was parsed
|
| - */
|
| - Expression parseAssignableExpression(bool primaryAllowed) {
|
| - if (matches(Keyword.SUPER)) {
|
| - return parseAssignableSelector(new SuperExpression.full(andAdvance), false);
|
| - }
|
| - Expression expression = parsePrimaryExpression();
|
| - bool isOptional = primaryAllowed || expression is SimpleIdentifier;
|
| - while (true) {
|
| - while (matches5(TokenType.OPEN_PAREN)) {
|
| - ArgumentList argumentList = parseArgumentList();
|
| - if (expression is SimpleIdentifier) {
|
| - expression = new MethodInvocation.full(null, null, (expression as SimpleIdentifier), argumentList);
|
| - } else if (expression is PrefixedIdentifier) {
|
| - PrefixedIdentifier identifier = expression as PrefixedIdentifier;
|
| - expression = new MethodInvocation.full(identifier.prefix, identifier.period, identifier.identifier, argumentList);
|
| - } else if (expression is PropertyAccess) {
|
| - PropertyAccess access = expression as PropertyAccess;
|
| - expression = new MethodInvocation.full(access.target, access.operator, access.propertyName, argumentList);
|
| - } else {
|
| - expression = new FunctionExpressionInvocation.full(expression, argumentList);
|
| - }
|
| - if (!primaryAllowed) {
|
| - isOptional = false;
|
| - }
|
| - }
|
| - Expression selectorExpression = parseAssignableSelector(expression, isOptional || (expression is PrefixedIdentifier));
|
| - if (identical(selectorExpression, expression)) {
|
| - if (!isOptional && (expression is PrefixedIdentifier)) {
|
| - PrefixedIdentifier identifier = expression as PrefixedIdentifier;
|
| - expression = new PropertyAccess.full(identifier.prefix, identifier.period, identifier.identifier);
|
| - }
|
| - return expression;
|
| - }
|
| - expression = selectorExpression;
|
| - isOptional = true;
|
| - }
|
| - }
|
| - /**
|
| - * Parse an assignable selector.
|
| - * <pre>
|
| - * assignableSelector ::=
|
| - * '[' expression ']'
|
| - * | '.' identifier
|
| - * </pre>
|
| - * @param prefix the expression preceding the selector
|
| - * @param optional {@code true} if the selector is optional
|
| - * @return the assignable selector that was parsed
|
| - */
|
| - Expression parseAssignableSelector(Expression prefix, bool optional) {
|
| - if (matches5(TokenType.OPEN_SQUARE_BRACKET)) {
|
| - Token leftBracket = andAdvance;
|
| - Expression index = parseExpression2();
|
| - Token rightBracket = expect2(TokenType.CLOSE_SQUARE_BRACKET);
|
| - return new IndexExpression.forTarget_full(prefix, leftBracket, index, rightBracket);
|
| - } else if (matches5(TokenType.PERIOD)) {
|
| - Token period = andAdvance;
|
| - return new PropertyAccess.full(prefix, period, parseSimpleIdentifier());
|
| - } else {
|
| - if (!optional) {
|
| - reportError4(ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR, []);
|
| - }
|
| - return prefix;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a bitwise and expression.
|
| - * <pre>
|
| - * bitwiseAndExpression ::=
|
| - * equalityExpression ('&' equalityExpression)
|
| - * | 'super' ('&' equalityExpression)+
|
| - * </pre>
|
| - * @return the bitwise and expression that was parsed
|
| - */
|
| - Expression parseBitwiseAndExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && matches4(peek(), TokenType.AMPERSAND)) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseEqualityExpression();
|
| - }
|
| - while (matches5(TokenType.AMPERSAND)) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseEqualityExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a bitwise or expression.
|
| - * <pre>
|
| - * bitwiseOrExpression ::=
|
| - * bitwiseXorExpression ('|' bitwiseXorExpression)
|
| - * | 'super' ('|' bitwiseXorExpression)+
|
| - * </pre>
|
| - * @return the bitwise or expression that was parsed
|
| - */
|
| - Expression parseBitwiseOrExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && matches4(peek(), TokenType.BAR)) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseBitwiseXorExpression();
|
| - }
|
| - while (matches5(TokenType.BAR)) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseBitwiseXorExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a bitwise exclusive-or expression.
|
| - * <pre>
|
| - * bitwiseXorExpression ::=
|
| - * bitwiseAndExpression ('^' bitwiseAndExpression)
|
| - * | 'super' ('^' bitwiseAndExpression)+
|
| - * </pre>
|
| - * @return the bitwise exclusive-or expression that was parsed
|
| - */
|
| - Expression parseBitwiseXorExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && matches4(peek(), TokenType.CARET)) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseBitwiseAndExpression();
|
| - }
|
| - while (matches5(TokenType.CARET)) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseBitwiseAndExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a block.
|
| - * <pre>
|
| - * block ::=
|
| - * '{' statements '}'
|
| - * </pre>
|
| - * @return the block that was parsed
|
| - */
|
| - Block parseBlock() {
|
| - Token leftBracket = expect2(TokenType.OPEN_CURLY_BRACKET);
|
| - List<Statement> statements = new List<Statement>();
|
| - Token statementStart = _currentToken;
|
| - while (!matches5(TokenType.EOF) && !matches5(TokenType.CLOSE_CURLY_BRACKET)) {
|
| - Statement statement = parseStatement2();
|
| - if (statement != null) {
|
| - statements.add(statement);
|
| - }
|
| - if (identical(_currentToken, statementStart)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - }
|
| - statementStart = _currentToken;
|
| - }
|
| - Token rightBracket = expect2(TokenType.CLOSE_CURLY_BRACKET);
|
| - return new Block.full(leftBracket, statements, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a break statement.
|
| - * <pre>
|
| - * breakStatement ::=
|
| - * 'break' identifier? ';'
|
| - * </pre>
|
| - * @return the break statement that was parsed
|
| - */
|
| - Statement parseBreakStatement() {
|
| - Token breakKeyword = expect(Keyword.BREAK);
|
| - SimpleIdentifier label = null;
|
| - if (matchesIdentifier()) {
|
| - label = parseSimpleIdentifier();
|
| - }
|
| - if (!_inLoop && !_inSwitch && label == null) {
|
| - reportError5(ParserErrorCode.BREAK_OUTSIDE_OF_LOOP, breakKeyword, []);
|
| - }
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new BreakStatement.full(breakKeyword, label, semicolon);
|
| - }
|
| - /**
|
| - * Parse a cascade section.
|
| - * <pre>
|
| - * cascadeSection ::=
|
| - * '..' (cascadeSelector arguments*) (assignableSelector arguments*)* cascadeAssignment?
|
| - * cascadeSelector ::=
|
| - * '[' expression ']'
|
| - * | identifier
|
| - * cascadeAssignment ::=
|
| - * assignmentOperator expressionWithoutCascade
|
| - * </pre>
|
| - * @return the expression representing the cascaded method invocation
|
| - */
|
| - Expression parseCascadeSection() {
|
| - Token period = expect2(TokenType.PERIOD_PERIOD);
|
| - Expression expression = null;
|
| - SimpleIdentifier functionName = null;
|
| - if (matchesIdentifier()) {
|
| - functionName = parseSimpleIdentifier();
|
| - } else if (identical(_currentToken.type, TokenType.OPEN_SQUARE_BRACKET)) {
|
| - Token leftBracket = andAdvance;
|
| - Expression index = parseExpression2();
|
| - Token rightBracket = expect2(TokenType.CLOSE_SQUARE_BRACKET);
|
| - expression = new IndexExpression.forCascade_full(period, leftBracket, index, rightBracket);
|
| - period = null;
|
| - } else {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - return expression;
|
| - }
|
| - if (identical(_currentToken.type, TokenType.OPEN_PAREN)) {
|
| - while (identical(_currentToken.type, TokenType.OPEN_PAREN)) {
|
| - if (functionName != null) {
|
| - expression = new MethodInvocation.full(expression, period, functionName, parseArgumentList());
|
| - period = null;
|
| - functionName = null;
|
| - } else if (expression == null) {
|
| - return null;
|
| - } else {
|
| - expression = new FunctionExpressionInvocation.full(expression, parseArgumentList());
|
| - }
|
| - }
|
| - } else if (functionName != null) {
|
| - expression = new PropertyAccess.full(expression, period, functionName);
|
| - period = null;
|
| - }
|
| - bool progress = true;
|
| - while (progress) {
|
| - progress = false;
|
| - Expression selector = parseAssignableSelector(expression, true);
|
| - if (selector != expression) {
|
| - expression = selector;
|
| - progress = true;
|
| - while (identical(_currentToken.type, TokenType.OPEN_PAREN)) {
|
| - expression = new FunctionExpressionInvocation.full(expression, parseArgumentList());
|
| - }
|
| - }
|
| - }
|
| - if (_currentToken.type.isAssignmentOperator()) {
|
| - Token operator = andAdvance;
|
| - ensureAssignable(expression);
|
| - expression = new AssignmentExpression.full(expression, operator, parseExpressionWithoutCascade());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a class declaration.
|
| - * <pre>
|
| - * classDeclaration ::=
|
| - * metadata 'abstract'? 'class' name typeParameterList? (extendsClause withClause?)? implementsClause? '{' classMembers '}'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the member
|
| - * @param abstractKeyword the token for the keyword 'abstract', or {@code null} if the keyword was
|
| - * not given
|
| - * @return the class declaration that was parsed
|
| - */
|
| - ClassDeclaration parseClassDeclaration(CommentAndMetadata commentAndMetadata, Token abstractKeyword) {
|
| - Token keyword = expect(Keyword.CLASS);
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - String className = name.name;
|
| - TypeParameterList typeParameters = null;
|
| - if (matches5(TokenType.LT)) {
|
| - typeParameters = parseTypeParameterList();
|
| - }
|
| - ExtendsClause extendsClause = null;
|
| - WithClause withClause = null;
|
| - ImplementsClause implementsClause = null;
|
| - bool foundClause = true;
|
| - while (foundClause) {
|
| - if (matches(Keyword.EXTENDS)) {
|
| - if (extendsClause == null) {
|
| - extendsClause = parseExtendsClause();
|
| - if (withClause != null) {
|
| - reportError5(ParserErrorCode.WITH_BEFORE_EXTENDS, withClause.withKeyword, []);
|
| - } else if (implementsClause != null) {
|
| - reportError5(ParserErrorCode.IMPLEMENTS_BEFORE_EXTENDS, implementsClause.keyword, []);
|
| - }
|
| - } else {
|
| - reportError5(ParserErrorCode.MULTIPLE_EXTENDS_CLAUSES, extendsClause.keyword, []);
|
| - parseExtendsClause();
|
| - }
|
| - } else if (matches(Keyword.WITH)) {
|
| - if (withClause == null) {
|
| - withClause = parseWithClause();
|
| - if (implementsClause != null) {
|
| - reportError5(ParserErrorCode.IMPLEMENTS_BEFORE_WITH, implementsClause.keyword, []);
|
| - }
|
| - } else {
|
| - reportError5(ParserErrorCode.MULTIPLE_WITH_CLAUSES, withClause.withKeyword, []);
|
| - parseWithClause();
|
| - }
|
| - } else if (matches(Keyword.IMPLEMENTS)) {
|
| - if (implementsClause == null) {
|
| - implementsClause = parseImplementsClause();
|
| - } else {
|
| - reportError5(ParserErrorCode.MULTIPLE_IMPLEMENTS_CLAUSES, implementsClause.keyword, []);
|
| - parseImplementsClause();
|
| - }
|
| - } else {
|
| - foundClause = false;
|
| - }
|
| - }
|
| - if (withClause != null && extendsClause == null) {
|
| - reportError5(ParserErrorCode.WITH_WITHOUT_EXTENDS, withClause.withKeyword, []);
|
| - }
|
| - Token leftBracket = null;
|
| - List<ClassMember> members = null;
|
| - Token rightBracket = null;
|
| - if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - leftBracket = expect2(TokenType.OPEN_CURLY_BRACKET);
|
| - members = parseClassMembers(className, ((leftBracket as BeginToken)).endToken != null);
|
| - rightBracket = expect2(TokenType.CLOSE_CURLY_BRACKET);
|
| - } else {
|
| - leftBracket = createSyntheticToken(TokenType.OPEN_CURLY_BRACKET);
|
| - rightBracket = createSyntheticToken(TokenType.CLOSE_CURLY_BRACKET);
|
| - reportError4(ParserErrorCode.MISSING_CLASS_BODY, []);
|
| - }
|
| - return new ClassDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, abstractKeyword, keyword, name, typeParameters, extendsClause, withClause, implementsClause, leftBracket, members, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a class member.
|
| - * <pre>
|
| - * classMemberDefinition ::=
|
| - * declaration ';'
|
| - * | methodSignature functionBody
|
| - * </pre>
|
| - * @param className the name of the class containing the member being parsed
|
| - * @return the class member that was parsed
|
| - */
|
| - ClassMember parseClassMember(String className) {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - Modifiers modifiers = parseModifiers();
|
| - if (matches(Keyword.VOID)) {
|
| - TypeName returnType = parseReturnType();
|
| - if (matches(Keyword.GET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseGetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, returnType);
|
| - } else if (matches(Keyword.SET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseSetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, returnType);
|
| - } else if (matches(Keyword.OPERATOR) && peek().isOperator()) {
|
| - validateModifiersForOperator(modifiers);
|
| - return parseOperator(commentAndMetadata, modifiers.externalKeyword, returnType);
|
| - } else if (matchesIdentifier() && matchesAny(peek(), [TokenType.OPEN_PAREN, TokenType.OPEN_CURLY_BRACKET, TokenType.FUNCTION])) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseMethodDeclaration(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, returnType);
|
| - } else {
|
| - if (matchesIdentifier()) {
|
| - if (matchesAny(peek(), [TokenType.EQ, TokenType.COMMA, TokenType.SEMICOLON])) {
|
| - reportError(ParserErrorCode.VOID_VARIABLE, returnType, []);
|
| - return parseInitializedIdentifierList(commentAndMetadata, modifiers.staticKeyword, validateModifiersForField(modifiers), returnType);
|
| - }
|
| - }
|
| - return null;
|
| - }
|
| - } else if (matches(Keyword.GET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseGetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, null);
|
| - } else if (matches(Keyword.SET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseSetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, null);
|
| - } else if (matches(Keyword.OPERATOR) && peek().isOperator() && matches4(peek2(2), TokenType.OPEN_PAREN)) {
|
| - validateModifiersForOperator(modifiers);
|
| - return parseOperator(commentAndMetadata, modifiers.externalKeyword, null);
|
| - } else if (!matchesIdentifier()) {
|
| - return null;
|
| - } else if (matches4(peek(), TokenType.PERIOD) && matchesIdentifier2(peek2(2)) && matches4(peek2(3), TokenType.OPEN_PAREN)) {
|
| - return parseConstructor(commentAndMetadata, modifiers.externalKeyword, validateModifiersForConstructor(modifiers), modifiers.factoryKeyword, parseSimpleIdentifier(), andAdvance, parseSimpleIdentifier(), parseFormalParameterList());
|
| - } else if (matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - SimpleIdentifier methodName = parseSimpleIdentifier();
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - if (matches5(TokenType.COLON) || modifiers.factoryKeyword != null || methodName.name == className) {
|
| - return parseConstructor(commentAndMetadata, modifiers.externalKeyword, validateModifiersForConstructor(modifiers), modifiers.factoryKeyword, methodName, null, null, parameters);
|
| - }
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - validateFormalParameterList(parameters);
|
| - return parseMethodDeclaration2(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, null, methodName, parameters);
|
| - } else if (matchesAny(peek(), [TokenType.EQ, TokenType.COMMA, TokenType.SEMICOLON])) {
|
| - return parseInitializedIdentifierList(commentAndMetadata, modifiers.staticKeyword, validateModifiersForField(modifiers), null);
|
| - }
|
| - TypeName type = parseTypeName();
|
| - if (matches(Keyword.GET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseGetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, type);
|
| - } else if (matches(Keyword.SET) && matchesIdentifier2(peek())) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseSetter(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, type);
|
| - } else if (matches(Keyword.OPERATOR) && peek().isOperator() && matches4(peek2(2), TokenType.OPEN_PAREN)) {
|
| - validateModifiersForOperator(modifiers);
|
| - return parseOperator(commentAndMetadata, modifiers.externalKeyword, type);
|
| - } else if (!matchesIdentifier()) {
|
| - } else if (matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - validateModifiersForGetterOrSetterOrMethod(modifiers);
|
| - return parseMethodDeclaration(commentAndMetadata, modifiers.externalKeyword, modifiers.staticKeyword, type);
|
| - }
|
| - return parseInitializedIdentifierList(commentAndMetadata, modifiers.staticKeyword, validateModifiersForField(modifiers), type);
|
| - }
|
| - /**
|
| - * Parse a list of class members.
|
| - * <pre>
|
| - * classMembers ::=
|
| - * (metadata memberDefinition)
|
| - * </pre>
|
| - * @param className the name of the class whose members are being parsed
|
| - * @param balancedBrackets {@code true} if the opening and closing brackets for the class are
|
| - * balanced
|
| - * @return the list of class members that were parsed
|
| - */
|
| - List<ClassMember> parseClassMembers(String className, bool balancedBrackets) {
|
| - List<ClassMember> members = new List<ClassMember>();
|
| - Token memberStart = _currentToken;
|
| - while (!matches5(TokenType.EOF) && !matches5(TokenType.CLOSE_CURLY_BRACKET) && (balancedBrackets || (!matches(Keyword.CLASS) && !matches(Keyword.TYPEDEF)))) {
|
| - if (matches5(TokenType.SEMICOLON)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - ClassMember member = parseClassMember(className);
|
| - if (member != null) {
|
| - members.add(member);
|
| - }
|
| - }
|
| - if (identical(_currentToken, memberStart)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - }
|
| - memberStart = _currentToken;
|
| - }
|
| - return members;
|
| - }
|
| - /**
|
| - * Parse a class type alias.
|
| - * <pre>
|
| - * classTypeAlias ::=
|
| - * identifier typeParameters? '=' 'abstract'? mixinApplication
|
| - * mixinApplication ::=
|
| - * type withClause implementsClause? ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the member
|
| - * @param keyword the token representing the 'typedef' keyword
|
| - * @return the class type alias that was parsed
|
| - */
|
| - ClassTypeAlias parseClassTypeAlias(CommentAndMetadata commentAndMetadata, Token keyword) {
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - TypeParameterList typeParameters = null;
|
| - if (matches5(TokenType.LT)) {
|
| - typeParameters = parseTypeParameterList();
|
| - }
|
| - Token equals = expect2(TokenType.EQ);
|
| - Token abstractKeyword = null;
|
| - if (matches(Keyword.ABSTRACT)) {
|
| - abstractKeyword = andAdvance;
|
| - }
|
| - TypeName superclass = parseTypeName();
|
| - WithClause withClause = parseWithClause();
|
| - ImplementsClause implementsClause = null;
|
| - if (matches(Keyword.IMPLEMENTS)) {
|
| - implementsClause = parseImplementsClause();
|
| - }
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new ClassTypeAlias.full(commentAndMetadata.comment, commentAndMetadata.metadata, keyword, name, typeParameters, equals, abstractKeyword, superclass, withClause, implementsClause, semicolon);
|
| - }
|
| - /**
|
| - * Parse a list of combinators in a directive.
|
| - * <pre>
|
| - * combinator ::=
|
| - * 'show' identifier (',' identifier)
|
| - * | 'hide' identifier (',' identifier)
|
| - * </pre>
|
| - * @return the combinators that were parsed
|
| - */
|
| - List<Combinator> parseCombinators() {
|
| - List<Combinator> combinators = new List<Combinator>();
|
| - while (matches2(_SHOW) || matches2(_HIDE)) {
|
| - Token keyword = expect2(TokenType.IDENTIFIER);
|
| - if (keyword.lexeme == _SHOW) {
|
| - List<SimpleIdentifier> shownNames = parseIdentifierList();
|
| - combinators.add(new ShowCombinator.full(keyword, shownNames));
|
| - } else {
|
| - List<SimpleIdentifier> hiddenNames = parseIdentifierList();
|
| - combinators.add(new HideCombinator.full(keyword, hiddenNames));
|
| - }
|
| - }
|
| - return combinators;
|
| - }
|
| - /**
|
| - * Parse the documentation comment and metadata preceeding a declaration. This method allows any
|
| - * number of documentation comments to occur before, after or between the metadata, but only
|
| - * returns the last (right-most) documentation comment that is found.
|
| - * <pre>
|
| - * metadata ::=
|
| - * annotation
|
| - * </pre>
|
| - * @return the documentation comment and metadata that were parsed
|
| - */
|
| - CommentAndMetadata parseCommentAndMetadata() {
|
| - Comment comment = parseDocumentationComment();
|
| - List<Annotation> metadata = new List<Annotation>();
|
| - while (matches5(TokenType.AT)) {
|
| - metadata.add(parseAnnotation());
|
| - Comment optionalComment = parseDocumentationComment();
|
| - if (optionalComment != null) {
|
| - comment = optionalComment;
|
| - }
|
| - }
|
| - return new CommentAndMetadata(comment, metadata);
|
| - }
|
| - /**
|
| - * Parse a comment reference from the source between square brackets.
|
| - * <pre>
|
| - * commentReference ::=
|
| - * 'new'? prefixedIdentifier
|
| - * </pre>
|
| - * @param referenceSource the source occurring between the square brackets within a documentation
|
| - * comment
|
| - * @param sourceOffset the offset of the first character of the reference source
|
| - * @return the comment reference that was parsed
|
| - */
|
| - CommentReference parseCommentReference(String referenceSource, int sourceOffset) {
|
| - if (referenceSource.length == 0) {
|
| - return null;
|
| - }
|
| - try {
|
| - List<bool> errorFound = [false];
|
| - AnalysisErrorListener listener = new AnalysisErrorListener_7(errorFound);
|
| - StringScanner scanner = new StringScanner(null, referenceSource, listener);
|
| - scanner.setSourceStart(1, 1, sourceOffset);
|
| - Token firstToken = scanner.tokenize();
|
| - if (!errorFound[0]) {
|
| - Token newKeyword = null;
|
| - if (matches3(firstToken, Keyword.NEW)) {
|
| - newKeyword = firstToken;
|
| - firstToken = firstToken.next;
|
| - }
|
| - if (matchesIdentifier2(firstToken)) {
|
| - Token secondToken = firstToken.next;
|
| - Token thirdToken = secondToken.next;
|
| - Token nextToken;
|
| - Identifier identifier;
|
| - if (matches4(secondToken, TokenType.PERIOD) && matchesIdentifier2(thirdToken)) {
|
| - identifier = new PrefixedIdentifier.full(new SimpleIdentifier.full(firstToken), secondToken, new SimpleIdentifier.full(thirdToken));
|
| - nextToken = thirdToken.next;
|
| - } else {
|
| - identifier = new SimpleIdentifier.full(firstToken);
|
| - nextToken = firstToken.next;
|
| - }
|
| - if (nextToken.type != TokenType.EOF) {
|
| - }
|
| - return new CommentReference.full(newKeyword, identifier);
|
| - } else if (matches3(firstToken, Keyword.THIS) || matches3(firstToken, Keyword.NULL) || matches3(firstToken, Keyword.TRUE) || matches3(firstToken, Keyword.FALSE)) {
|
| - return null;
|
| - } else if (matches4(firstToken, TokenType.STRING)) {
|
| - } else {
|
| - }
|
| - }
|
| - } on JavaException catch (exception) {
|
| - }
|
| - return null;
|
| - }
|
| - /**
|
| - * Parse all of the comment references occurring in the given array of documentation comments.
|
| - * <pre>
|
| - * commentReference ::=
|
| - * '[' 'new'? qualified ']' libraryReference?
|
| - * libraryReference ::=
|
| - * '(' stringLiteral ')'
|
| - * </pre>
|
| - * @param tokens the comment tokens representing the documentation comments to be parsed
|
| - * @return the comment references that were parsed
|
| - */
|
| - List<CommentReference> parseCommentReferences(List<Token> tokens) {
|
| - List<CommentReference> references = new List<CommentReference>();
|
| - for (Token token in tokens) {
|
| - String comment = token.lexeme;
|
| - int leftIndex = comment.indexOf('[');
|
| - while (leftIndex >= 0) {
|
| - int rightIndex = comment.indexOf(']', leftIndex);
|
| - if (rightIndex >= 0) {
|
| - int firstChar = comment.codeUnitAt(leftIndex + 1);
|
| - if (firstChar != 0x27 && firstChar != 0x22 && firstChar != 0x3A) {
|
| - CommentReference reference = parseCommentReference(comment.substring(leftIndex + 1, rightIndex), token.offset + leftIndex + 1);
|
| - if (reference != null) {
|
| - references.add(reference);
|
| - }
|
| - }
|
| - } else {
|
| - rightIndex = leftIndex + 1;
|
| - }
|
| - leftIndex = comment.indexOf('[', rightIndex);
|
| - }
|
| - }
|
| - return references;
|
| - }
|
| - /**
|
| - * Parse a compilation unit.
|
| - * <p>
|
| - * Specified:
|
| - * <pre>
|
| - * compilationUnit ::=
|
| - * scriptTag? directive* topLevelDeclaration
|
| - * </pre>
|
| - * Actual:
|
| - * <pre>
|
| - * compilationUnit ::=
|
| - * scriptTag? topLevelElement
|
| - * topLevelElement ::=
|
| - * directive
|
| - * | topLevelDeclaration
|
| - * </pre>
|
| - * @return the compilation unit that was parsed
|
| - */
|
| - CompilationUnit parseCompilationUnit2() {
|
| - Token firstToken = _currentToken;
|
| - ScriptTag scriptTag = null;
|
| - if (matches5(TokenType.SCRIPT_TAG)) {
|
| - scriptTag = new ScriptTag.full(andAdvance);
|
| - }
|
| - bool libraryDirectiveFound = false;
|
| - bool partOfDirectiveFound = false;
|
| - bool partDirectiveFound = false;
|
| - bool directiveFoundAfterDeclaration = false;
|
| - List<Directive> directives = new List<Directive>();
|
| - List<CompilationUnitMember> declarations = new List<CompilationUnitMember>();
|
| - Token memberStart = _currentToken;
|
| - while (!matches5(TokenType.EOF)) {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - if ((matches(Keyword.IMPORT) || matches(Keyword.EXPORT) || matches(Keyword.LIBRARY) || matches(Keyword.PART)) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - Directive directive = parseDirective(commentAndMetadata);
|
| - if (declarations.length > 0 && !directiveFoundAfterDeclaration) {
|
| - reportError4(ParserErrorCode.DIRECTIVE_AFTER_DECLARATION, []);
|
| - directiveFoundAfterDeclaration = true;
|
| - }
|
| - if (directive is LibraryDirective) {
|
| - if (libraryDirectiveFound) {
|
| - reportError4(ParserErrorCode.MULTIPLE_LIBRARY_DIRECTIVES, []);
|
| - } else {
|
| - if (directives.length > 0) {
|
| - reportError4(ParserErrorCode.LIBRARY_DIRECTIVE_NOT_FIRST, []);
|
| - }
|
| - libraryDirectiveFound = true;
|
| - }
|
| - } else if (directive is PartDirective) {
|
| - partDirectiveFound = true;
|
| - } else if (partDirectiveFound) {
|
| - if (directive is ExportDirective) {
|
| - reportError4(ParserErrorCode.EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE, []);
|
| - } else if (directive is ImportDirective) {
|
| - reportError4(ParserErrorCode.IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE, []);
|
| - }
|
| - }
|
| - if (directive is PartOfDirective) {
|
| - if (partOfDirectiveFound) {
|
| - reportError4(ParserErrorCode.MULTIPLE_PART_OF_DIRECTIVES, []);
|
| - } else {
|
| - for (Directive preceedingDirective in directives) {
|
| - reportError5(ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART, preceedingDirective.keyword, []);
|
| - }
|
| - partOfDirectiveFound = true;
|
| - }
|
| - } else {
|
| - if (partOfDirectiveFound) {
|
| - reportError5(ParserErrorCode.NON_PART_OF_DIRECTIVE_IN_PART, directive.keyword, []);
|
| - }
|
| - }
|
| - directives.add(directive);
|
| - } else if (matches5(TokenType.SEMICOLON)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - CompilationUnitMember member = parseCompilationUnitMember(commentAndMetadata);
|
| - if (member != null) {
|
| - declarations.add(member);
|
| - }
|
| - }
|
| - if (identical(_currentToken, memberStart)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - }
|
| - memberStart = _currentToken;
|
| - }
|
| - return new CompilationUnit.full(firstToken, scriptTag, directives, declarations, _currentToken);
|
| - }
|
| - /**
|
| - * Parse a compilation unit member.
|
| - * <pre>
|
| - * compilationUnitMember ::=
|
| - * classDefinition
|
| - * | functionTypeAlias
|
| - * | external functionSignature
|
| - * | external getterSignature
|
| - * | external setterSignature
|
| - * | functionSignature functionBody
|
| - * | returnType? getOrSet identifier formalParameterList functionBody
|
| - * | (final | const) type? staticFinalDeclarationList ';'
|
| - * | variableDeclaration ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the member
|
| - * @return the compilation unit member that was parsed
|
| - */
|
| - CompilationUnitMember parseCompilationUnitMember(CommentAndMetadata commentAndMetadata) {
|
| - Modifiers modifiers = parseModifiers();
|
| - if (matches(Keyword.CLASS)) {
|
| - return parseClassDeclaration(commentAndMetadata, validateModifiersForClass(modifiers));
|
| - } else if (matches(Keyword.TYPEDEF) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - validateModifiersForTypedef(modifiers);
|
| - return parseTypeAlias(commentAndMetadata);
|
| - }
|
| - if (matches(Keyword.VOID)) {
|
| - TypeName returnType = parseReturnType();
|
| - if ((matches(Keyword.GET) || matches(Keyword.SET)) && matchesIdentifier2(peek())) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, null);
|
| - } else if (matches(Keyword.OPERATOR) && peek().isOperator()) {
|
| - return null;
|
| - } else if (matchesIdentifier() && matchesAny(peek(), [TokenType.OPEN_PAREN, TokenType.OPEN_CURLY_BRACKET, TokenType.FUNCTION])) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, null);
|
| - } else {
|
| - if (matchesIdentifier()) {
|
| - if (matchesAny(peek(), [TokenType.EQ, TokenType.COMMA, TokenType.SEMICOLON])) {
|
| - reportError(ParserErrorCode.VOID_VARIABLE, returnType, []);
|
| - return new TopLevelVariableDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, parseVariableDeclarationList2(validateModifiersForTopLevelVariable(modifiers), null), expect2(TokenType.SEMICOLON));
|
| - }
|
| - }
|
| - return null;
|
| - }
|
| - } else if ((matches(Keyword.GET) || matches(Keyword.SET)) && matchesIdentifier2(peek())) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, null);
|
| - } else if (matches(Keyword.OPERATOR) && peek().isOperator() && matches4(peek2(2), TokenType.OPEN_PAREN)) {
|
| - return null;
|
| - } else if (!matchesIdentifier()) {
|
| - return null;
|
| - } else if (matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, null);
|
| - } else if (matchesAny(peek(), [TokenType.EQ, TokenType.COMMA, TokenType.SEMICOLON])) {
|
| - return new TopLevelVariableDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, parseVariableDeclarationList2(validateModifiersForTopLevelVariable(modifiers), null), expect2(TokenType.SEMICOLON));
|
| - }
|
| - TypeName returnType = parseReturnType();
|
| - if (matches(Keyword.GET) || matches(Keyword.SET)) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, returnType);
|
| - } else if (!matchesIdentifier()) {
|
| - return null;
|
| - }
|
| - if (matchesAny(peek(), [TokenType.OPEN_PAREN, TokenType.FUNCTION, TokenType.OPEN_CURLY_BRACKET])) {
|
| - validateModifiersForTopLevelFunction(modifiers);
|
| - return parseFunctionDeclaration(commentAndMetadata, modifiers.externalKeyword, returnType);
|
| - }
|
| - return new TopLevelVariableDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, parseVariableDeclarationList2(validateModifiersForTopLevelVariable(modifiers), returnType), expect2(TokenType.SEMICOLON));
|
| - }
|
| - /**
|
| - * Parse a conditional expression.
|
| - * <pre>
|
| - * conditionalExpression ::=
|
| - * logicalOrExpression ('?' expressionWithoutCascade ':' expressionWithoutCascade)?
|
| - * </pre>
|
| - * @return the conditional expression that was parsed
|
| - */
|
| - Expression parseConditionalExpression() {
|
| - Expression condition = parseLogicalOrExpression();
|
| - if (!matches5(TokenType.QUESTION)) {
|
| - return condition;
|
| - }
|
| - Token question = andAdvance;
|
| - Expression thenExpression = parseExpressionWithoutCascade();
|
| - Token colon = expect2(TokenType.COLON);
|
| - Expression elseExpression = parseExpressionWithoutCascade();
|
| - return new ConditionalExpression.full(condition, question, thenExpression, colon, elseExpression);
|
| - }
|
| - /**
|
| - * Parse a const expression.
|
| - * <pre>
|
| - * constExpression ::=
|
| - * instanceCreationExpression
|
| - * | listLiteral
|
| - * | mapLiteral
|
| - * </pre>
|
| - * @return the const expression that was parsed
|
| - */
|
| - Expression parseConstExpression() {
|
| - Token keyword = expect(Keyword.CONST);
|
| - if (matches5(TokenType.OPEN_SQUARE_BRACKET) || matches5(TokenType.INDEX)) {
|
| - return parseListLiteral(keyword, null);
|
| - } else if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - return parseMapLiteral(keyword, null);
|
| - } else if (matches5(TokenType.LT)) {
|
| - return parseListOrMapLiteral(keyword);
|
| - }
|
| - return parseInstanceCreationExpression(keyword);
|
| - }
|
| - ConstructorDeclaration parseConstructor(CommentAndMetadata commentAndMetadata, Token externalKeyword, Token constKeyword, Token factoryKeyword, SimpleIdentifier returnType, Token period, SimpleIdentifier name, FormalParameterList parameters) {
|
| - bool bodyAllowed = externalKeyword == null;
|
| - Token separator = null;
|
| - List<ConstructorInitializer> initializers = null;
|
| - if (matches5(TokenType.COLON)) {
|
| - separator = andAdvance;
|
| - initializers = new List<ConstructorInitializer>();
|
| - do {
|
| - if (matches(Keyword.THIS)) {
|
| - if (matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - bodyAllowed = false;
|
| - initializers.add(parseRedirectingConstructorInvocation());
|
| - } else if (matches4(peek(), TokenType.PERIOD) && matches4(peek2(3), TokenType.OPEN_PAREN)) {
|
| - bodyAllowed = false;
|
| - initializers.add(parseRedirectingConstructorInvocation());
|
| - } else {
|
| - initializers.add(parseConstructorFieldInitializer());
|
| - }
|
| - } else if (matches(Keyword.SUPER)) {
|
| - initializers.add(parseSuperConstructorInvocation());
|
| - } else {
|
| - initializers.add(parseConstructorFieldInitializer());
|
| - }
|
| - } while (optional(TokenType.COMMA));
|
| - }
|
| - ConstructorName redirectedConstructor = null;
|
| - FunctionBody body;
|
| - if (matches5(TokenType.EQ)) {
|
| - separator = andAdvance;
|
| - redirectedConstructor = parseConstructorName();
|
| - body = new EmptyFunctionBody.full(expect2(TokenType.SEMICOLON));
|
| - } else {
|
| - body = parseFunctionBody(true, false);
|
| - if (!bodyAllowed && body is! EmptyFunctionBody) {
|
| - reportError4(ParserErrorCode.EXTERNAL_CONSTRUCTOR_WITH_BODY, []);
|
| - }
|
| - }
|
| - return new ConstructorDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, constKeyword, factoryKeyword, returnType, period, name, parameters, separator, initializers, redirectedConstructor, body);
|
| - }
|
| - /**
|
| - * Parse a field initializer within a constructor.
|
| - * <pre>
|
| - * fieldInitializer:
|
| - * ('this' '.')? identifier '=' conditionalExpression cascadeSection
|
| - * </pre>
|
| - * @return the field initializer that was parsed
|
| - */
|
| - ConstructorFieldInitializer parseConstructorFieldInitializer() {
|
| - Token keyword = null;
|
| - Token period = null;
|
| - if (matches(Keyword.THIS)) {
|
| - keyword = andAdvance;
|
| - period = expect2(TokenType.PERIOD);
|
| - }
|
| - SimpleIdentifier fieldName = parseSimpleIdentifier();
|
| - Token equals = expect2(TokenType.EQ);
|
| - Expression expression = parseConditionalExpression();
|
| - TokenType tokenType = _currentToken.type;
|
| - if (identical(tokenType, TokenType.PERIOD_PERIOD)) {
|
| - List<Expression> cascadeSections = new List<Expression>();
|
| - while (identical(tokenType, TokenType.PERIOD_PERIOD)) {
|
| - Expression section = parseCascadeSection();
|
| - if (section != null) {
|
| - cascadeSections.add(section);
|
| - }
|
| - tokenType = _currentToken.type;
|
| - }
|
| - expression = new CascadeExpression.full(expression, cascadeSections);
|
| - }
|
| - return new ConstructorFieldInitializer.full(keyword, period, fieldName, equals, expression);
|
| - }
|
| - /**
|
| - * Parse the name of a constructor.
|
| - * <pre>
|
| - * constructorName:
|
| - * type ('.' identifier)?
|
| - * </pre>
|
| - * @return the constructor name that was parsed
|
| - */
|
| - ConstructorName parseConstructorName() {
|
| - TypeName type = parseTypeName();
|
| - Token period = null;
|
| - SimpleIdentifier name = null;
|
| - if (matches5(TokenType.PERIOD)) {
|
| - period = andAdvance;
|
| - name = parseSimpleIdentifier();
|
| - }
|
| - return new ConstructorName.full(type, period, name);
|
| - }
|
| - /**
|
| - * Parse a continue statement.
|
| - * <pre>
|
| - * continueStatement ::=
|
| - * 'continue' identifier? ';'
|
| - * </pre>
|
| - * @return the continue statement that was parsed
|
| - */
|
| - Statement parseContinueStatement() {
|
| - Token continueKeyword = expect(Keyword.CONTINUE);
|
| - if (!_inLoop && !_inSwitch) {
|
| - reportError5(ParserErrorCode.CONTINUE_OUTSIDE_OF_LOOP, continueKeyword, []);
|
| - }
|
| - SimpleIdentifier label = null;
|
| - if (matchesIdentifier()) {
|
| - label = parseSimpleIdentifier();
|
| - }
|
| - if (_inSwitch && !_inLoop && label == null) {
|
| - reportError5(ParserErrorCode.CONTINUE_WITHOUT_LABEL_IN_CASE, continueKeyword, []);
|
| - }
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new ContinueStatement.full(continueKeyword, label, semicolon);
|
| - }
|
| - /**
|
| - * Parse a directive.
|
| - * <pre>
|
| - * directive ::=
|
| - * exportDirective
|
| - * | libraryDirective
|
| - * | importDirective
|
| - * | partDirective
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the directive
|
| - * @return the directive that was parsed
|
| - */
|
| - Directive parseDirective(CommentAndMetadata commentAndMetadata) {
|
| - if (matches(Keyword.IMPORT)) {
|
| - return parseImportDirective(commentAndMetadata);
|
| - } else if (matches(Keyword.EXPORT)) {
|
| - return parseExportDirective(commentAndMetadata);
|
| - } else if (matches(Keyword.LIBRARY)) {
|
| - return parseLibraryDirective(commentAndMetadata);
|
| - } else if (matches(Keyword.PART)) {
|
| - return parsePartDirective(commentAndMetadata);
|
| - } else {
|
| - return null;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a documentation comment.
|
| - * <pre>
|
| - * documentationComment ::=
|
| - * multiLineComment?
|
| - * | singleLineComment
|
| - * </pre>
|
| - * @return the documentation comment that was parsed, or {@code null} if there was no comment
|
| - */
|
| - Comment parseDocumentationComment() {
|
| - List<Token> commentTokens = new List<Token>();
|
| - Token commentToken = _currentToken.precedingComments;
|
| - while (commentToken != null) {
|
| - if (identical(commentToken.type, TokenType.SINGLE_LINE_COMMENT)) {
|
| - if (commentToken.lexeme.startsWith("///")) {
|
| - if (commentTokens.length == 1 && commentTokens[0].lexeme.startsWith("/**")) {
|
| - commentTokens.clear();
|
| - }
|
| - commentTokens.add(commentToken);
|
| - }
|
| - } else {
|
| - if (commentToken.lexeme.startsWith("/**")) {
|
| - commentTokens.clear();
|
| - commentTokens.add(commentToken);
|
| - }
|
| - }
|
| - commentToken = commentToken.next;
|
| - }
|
| - if (commentTokens.isEmpty) {
|
| - return null;
|
| - }
|
| - List<Token> tokens = new List.from(commentTokens);
|
| - List<CommentReference> references = parseCommentReferences(tokens);
|
| - return Comment.createDocumentationComment2(tokens, references);
|
| - }
|
| - /**
|
| - * Parse a do statement.
|
| - * <pre>
|
| - * doStatement ::=
|
| - * 'do' statement 'while' '(' expression ')' ';'
|
| - * </pre>
|
| - * @return the do statement that was parsed
|
| - */
|
| - Statement parseDoStatement() {
|
| - bool wasInLoop = _inLoop;
|
| - _inLoop = true;
|
| - try {
|
| - Token doKeyword = expect(Keyword.DO);
|
| - Statement body = parseStatement2();
|
| - Token whileKeyword = expect(Keyword.WHILE);
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - Expression condition = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new DoStatement.full(doKeyword, body, whileKeyword, leftParenthesis, condition, rightParenthesis, semicolon);
|
| - } finally {
|
| - _inLoop = wasInLoop;
|
| - }
|
| - }
|
| - /**
|
| - * Parse an empty statement.
|
| - * <pre>
|
| - * emptyStatement ::=
|
| - * ';'
|
| - * </pre>
|
| - * @return the empty statement that was parsed
|
| - */
|
| - Statement parseEmptyStatement() => new EmptyStatement.full(andAdvance);
|
| - /**
|
| - * Parse an equality expression.
|
| - * <pre>
|
| - * equalityExpression ::=
|
| - * relationalExpression (equalityOperator relationalExpression)?
|
| - * | 'super' equalityOperator relationalExpression
|
| - * </pre>
|
| - * @return the equality expression that was parsed
|
| - */
|
| - Expression parseEqualityExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && _currentToken.next.type.isEqualityOperator()) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseRelationalExpression();
|
| - }
|
| - while (_currentToken.type.isEqualityOperator()) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseRelationalExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse an export directive.
|
| - * <pre>
|
| - * exportDirective ::=
|
| - * metadata 'export' stringLiteral combinator*';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the directive
|
| - * @return the export directive that was parsed
|
| - */
|
| - ExportDirective parseExportDirective(CommentAndMetadata commentAndMetadata) {
|
| - Token exportKeyword = expect(Keyword.EXPORT);
|
| - StringLiteral libraryUri = parseStringLiteral();
|
| - List<Combinator> combinators = parseCombinators();
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new ExportDirective.full(commentAndMetadata.comment, commentAndMetadata.metadata, exportKeyword, libraryUri, combinators, semicolon);
|
| - }
|
| - /**
|
| - * Parse an expression that does not contain any cascades.
|
| - * <pre>
|
| - * expression ::=
|
| - * assignableExpression assignmentOperator expression
|
| - * | conditionalExpression cascadeSection
|
| - * | throwExpression
|
| - * </pre>
|
| - * @return the expression that was parsed
|
| - */
|
| - Expression parseExpression2() {
|
| - if (matches(Keyword.THROW)) {
|
| - return parseThrowExpression();
|
| - }
|
| - Expression expression = parseConditionalExpression();
|
| - TokenType tokenType = _currentToken.type;
|
| - if (identical(tokenType, TokenType.PERIOD_PERIOD)) {
|
| - List<Expression> cascadeSections = new List<Expression>();
|
| - while (identical(tokenType, TokenType.PERIOD_PERIOD)) {
|
| - Expression section = parseCascadeSection();
|
| - if (section != null) {
|
| - cascadeSections.add(section);
|
| - }
|
| - tokenType = _currentToken.type;
|
| - }
|
| - return new CascadeExpression.full(expression, cascadeSections);
|
| - } else if (tokenType.isAssignmentOperator()) {
|
| - Token operator = andAdvance;
|
| - ensureAssignable(expression);
|
| - return new AssignmentExpression.full(expression, operator, parseExpression2());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a list of expressions.
|
| - * <pre>
|
| - * expressionList ::=
|
| - * expression (',' expression)
|
| - * </pre>
|
| - * @return the expression that was parsed
|
| - */
|
| - List<Expression> parseExpressionList() {
|
| - List<Expression> expressions = new List<Expression>();
|
| - expressions.add(parseExpression2());
|
| - while (optional(TokenType.COMMA)) {
|
| - expressions.add(parseExpression2());
|
| - }
|
| - return expressions;
|
| - }
|
| - /**
|
| - * Parse an expression that does not contain any cascades.
|
| - * <pre>
|
| - * expressionWithoutCascade ::=
|
| - * assignableExpression assignmentOperator expressionWithoutCascade
|
| - * | conditionalExpression
|
| - * | throwExpressionWithoutCascade
|
| - * </pre>
|
| - * @return the expression that was parsed
|
| - */
|
| - Expression parseExpressionWithoutCascade() {
|
| - if (matches(Keyword.THROW)) {
|
| - return parseThrowExpressionWithoutCascade();
|
| - }
|
| - Expression expression = parseConditionalExpression();
|
| - if (_currentToken.type.isAssignmentOperator()) {
|
| - Token operator = andAdvance;
|
| - ensureAssignable(expression);
|
| - expression = new AssignmentExpression.full(expression, operator, parseExpressionWithoutCascade());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a class extends clause.
|
| - * <pre>
|
| - * classExtendsClause ::=
|
| - * 'extends' type
|
| - * </pre>
|
| - * @return the class extends clause that was parsed
|
| - */
|
| - ExtendsClause parseExtendsClause() {
|
| - Token keyword = expect(Keyword.EXTENDS);
|
| - TypeName superclass = parseTypeName();
|
| - return new ExtendsClause.full(keyword, superclass);
|
| - }
|
| - /**
|
| - * Parse the 'final', 'const', 'var' or type preceding a variable declaration.
|
| - * <pre>
|
| - * finalConstVarOrType ::=
|
| - * | 'final' type?
|
| - * | 'const' type?
|
| - * | 'var'
|
| - * | type
|
| - * </pre>
|
| - * @param optional {@code true} if the keyword and type are optional
|
| - * @return the 'final', 'const', 'var' or type that was parsed
|
| - */
|
| - FinalConstVarOrType parseFinalConstVarOrType(bool optional) {
|
| - Token keyword = null;
|
| - TypeName type = null;
|
| - if (matches(Keyword.FINAL) || matches(Keyword.CONST)) {
|
| - keyword = andAdvance;
|
| - if (matchesIdentifier2(peek()) || matches4(peek(), TokenType.LT) || matches3(peek(), Keyword.THIS)) {
|
| - type = parseTypeName();
|
| - }
|
| - } else if (matches(Keyword.VAR)) {
|
| - keyword = andAdvance;
|
| - } else {
|
| - if (matchesIdentifier2(peek()) || matches4(peek(), TokenType.LT) || matches3(peek(), Keyword.THIS) || (matches4(peek(), TokenType.PERIOD) && matchesIdentifier2(peek2(2)) && (matchesIdentifier2(peek2(3)) || matches4(peek2(3), TokenType.LT) || matches3(peek2(3), Keyword.THIS)))) {
|
| - type = parseReturnType();
|
| - } else if (!optional) {
|
| - reportError4(ParserErrorCode.MISSING_CONST_FINAL_VAR_OR_TYPE, []);
|
| - }
|
| - }
|
| - return new FinalConstVarOrType(keyword, type);
|
| - }
|
| - /**
|
| - * Parse a formal parameter. At most one of {@code isOptional} and {@code isNamed} can be{@code true}.
|
| - * <pre>
|
| - * defaultFormalParameter ::=
|
| - * normalFormalParameter ('=' expression)?
|
| - * defaultNamedParameter ::=
|
| - * normalFormalParameter (':' expression)?
|
| - * </pre>
|
| - * @param kind the kind of parameter being expected based on the presence or absence of group
|
| - * delimiters
|
| - * @return the formal parameter that was parsed
|
| - */
|
| - FormalParameter parseFormalParameter(ParameterKind kind) {
|
| - NormalFormalParameter parameter = parseNormalFormalParameter();
|
| - if (matches5(TokenType.EQ)) {
|
| - Token seperator = andAdvance;
|
| - Expression defaultValue = parseExpression2();
|
| - if (identical(kind, ParameterKind.NAMED)) {
|
| - reportError5(ParserErrorCode.WRONG_SEPARATOR_FOR_NAMED_PARAMETER, seperator, []);
|
| - } else if (identical(kind, ParameterKind.REQUIRED)) {
|
| - reportError(ParserErrorCode.POSITIONAL_PARAMETER_OUTSIDE_GROUP, parameter, []);
|
| - }
|
| - return new DefaultFormalParameter.full(parameter, kind, seperator, defaultValue);
|
| - } else if (matches5(TokenType.COLON)) {
|
| - Token seperator = andAdvance;
|
| - Expression defaultValue = parseExpression2();
|
| - if (identical(kind, ParameterKind.POSITIONAL)) {
|
| - reportError5(ParserErrorCode.WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER, seperator, []);
|
| - } else if (identical(kind, ParameterKind.REQUIRED)) {
|
| - reportError(ParserErrorCode.NAMED_PARAMETER_OUTSIDE_GROUP, parameter, []);
|
| - }
|
| - return new DefaultFormalParameter.full(parameter, kind, seperator, defaultValue);
|
| - } else if (kind != ParameterKind.REQUIRED) {
|
| - return new DefaultFormalParameter.full(parameter, kind, null, null);
|
| - }
|
| - return parameter;
|
| - }
|
| - /**
|
| - * Parse a list of formal parameters.
|
| - * <pre>
|
| - * formalParameterList ::=
|
| - * '(' ')'
|
| - * | '(' normalFormalParameters (',' optionalFormalParameters)? ')'
|
| - * | '(' optionalFormalParameters ')'
|
| - * normalFormalParameters ::=
|
| - * normalFormalParameter (',' normalFormalParameter)
|
| - * optionalFormalParameters ::=
|
| - * optionalPositionalFormalParameters
|
| - * | namedFormalParameters
|
| - * optionalPositionalFormalParameters ::=
|
| - * '[' defaultFormalParameter (',' defaultFormalParameter)* ']'
|
| - * namedFormalParameters ::=
|
| - * '{' defaultNamedParameter (',' defaultNamedParameter)* '}'
|
| - * </pre>
|
| - * @return the formal parameters that were parsed
|
| - */
|
| - FormalParameterList parseFormalParameterList() {
|
| - if (matches5(TokenType.EQ) && matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - Token previous4 = _currentToken.previous;
|
| - if ((matches4(previous4, TokenType.EQ_EQ) || matches4(previous4, TokenType.BANG_EQ)) && _currentToken.offset == previous4.offset + 2) {
|
| - advance();
|
| - }
|
| - }
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - if (matches5(TokenType.CLOSE_PAREN)) {
|
| - return new FormalParameterList.full(leftParenthesis, null, null, null, andAdvance);
|
| - }
|
| - List<FormalParameter> parameters = new List<FormalParameter>();
|
| - List<FormalParameter> normalParameters = new List<FormalParameter>();
|
| - List<FormalParameter> positionalParameters = new List<FormalParameter>();
|
| - List<FormalParameter> namedParameters = new List<FormalParameter>();
|
| - List<FormalParameter> currentParameters = normalParameters;
|
| - Token leftSquareBracket = null;
|
| - Token rightSquareBracket = null;
|
| - Token leftCurlyBracket = null;
|
| - Token rightCurlyBracket = null;
|
| - ParameterKind kind = ParameterKind.REQUIRED;
|
| - bool firstParameter = true;
|
| - bool reportedMuliplePositionalGroups = false;
|
| - bool reportedMulipleNamedGroups = false;
|
| - bool reportedMixedGroups = false;
|
| - Token initialToken = null;
|
| - do {
|
| - if (firstParameter) {
|
| - firstParameter = false;
|
| - } else if (!optional(TokenType.COMMA)) {
|
| - if (((leftParenthesis as BeginToken)).endToken != null) {
|
| - reportError4(ParserErrorCode.EXPECTED_TOKEN, [TokenType.COMMA.lexeme]);
|
| - } else {
|
| - break;
|
| - }
|
| - }
|
| - initialToken = _currentToken;
|
| - if (matches5(TokenType.OPEN_SQUARE_BRACKET)) {
|
| - if (leftSquareBracket != null && !reportedMuliplePositionalGroups) {
|
| - reportError4(ParserErrorCode.MULTIPLE_POSITIONAL_PARAMETER_GROUPS, []);
|
| - reportedMuliplePositionalGroups = true;
|
| - }
|
| - if (leftCurlyBracket != null && !reportedMixedGroups) {
|
| - reportError4(ParserErrorCode.MIXED_PARAMETER_GROUPS, []);
|
| - reportedMixedGroups = true;
|
| - }
|
| - leftSquareBracket = andAdvance;
|
| - currentParameters = positionalParameters;
|
| - kind = ParameterKind.POSITIONAL;
|
| - } else if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - if (leftCurlyBracket != null && !reportedMulipleNamedGroups) {
|
| - reportError4(ParserErrorCode.MULTIPLE_NAMED_PARAMETER_GROUPS, []);
|
| - reportedMulipleNamedGroups = true;
|
| - }
|
| - if (leftSquareBracket != null && !reportedMixedGroups) {
|
| - reportError4(ParserErrorCode.MIXED_PARAMETER_GROUPS, []);
|
| - reportedMixedGroups = true;
|
| - }
|
| - leftCurlyBracket = andAdvance;
|
| - currentParameters = namedParameters;
|
| - kind = ParameterKind.NAMED;
|
| - }
|
| - FormalParameter parameter = parseFormalParameter(kind);
|
| - parameters.add(parameter);
|
| - currentParameters.add(parameter);
|
| - if (matches5(TokenType.CLOSE_SQUARE_BRACKET)) {
|
| - rightSquareBracket = andAdvance;
|
| - currentParameters = normalParameters;
|
| - if (leftSquareBracket == null) {
|
| - if (leftCurlyBracket != null) {
|
| - reportError4(ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP, ["}"]);
|
| - rightCurlyBracket = rightSquareBracket;
|
| - rightSquareBracket = null;
|
| - } else {
|
| - reportError4(ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP, ["["]);
|
| - }
|
| - }
|
| - kind = ParameterKind.REQUIRED;
|
| - } else if (matches5(TokenType.CLOSE_CURLY_BRACKET)) {
|
| - rightCurlyBracket = andAdvance;
|
| - currentParameters = normalParameters;
|
| - if (leftCurlyBracket == null) {
|
| - if (leftSquareBracket != null) {
|
| - reportError4(ParserErrorCode.WRONG_TERMINATOR_FOR_PARAMETER_GROUP, ["]"]);
|
| - rightSquareBracket = rightCurlyBracket;
|
| - rightCurlyBracket = null;
|
| - } else {
|
| - reportError4(ParserErrorCode.UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP, ["{"]);
|
| - }
|
| - }
|
| - kind = ParameterKind.REQUIRED;
|
| - }
|
| - } while (!matches5(TokenType.CLOSE_PAREN) && initialToken != _currentToken);
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - if (leftSquareBracket != null && rightSquareBracket == null) {
|
| - reportError4(ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP, ["]"]);
|
| - }
|
| - if (leftCurlyBracket != null && rightCurlyBracket == null) {
|
| - reportError4(ParserErrorCode.MISSING_TERMINATOR_FOR_PARAMETER_GROUP, ["}"]);
|
| - }
|
| - if (leftSquareBracket == null) {
|
| - leftSquareBracket = leftCurlyBracket;
|
| - }
|
| - if (rightSquareBracket == null) {
|
| - rightSquareBracket = rightCurlyBracket;
|
| - }
|
| - return new FormalParameterList.full(leftParenthesis, parameters, leftSquareBracket, rightSquareBracket, rightParenthesis);
|
| - }
|
| - /**
|
| - * Parse a for statement.
|
| - * <pre>
|
| - * forStatement ::=
|
| - * 'for' '(' forLoopParts ')' statement
|
| - * forLoopParts ::=
|
| - * forInitializerStatement expression? ';' expressionList?
|
| - * | declaredIdentifier 'in' expression
|
| - * | identifier 'in' expression
|
| - * forInitializerStatement ::=
|
| - * variableDeclarationList ';'
|
| - * | expression? ';'
|
| - * </pre>
|
| - * @return the for statement that was parsed
|
| - */
|
| - Statement parseForStatement() {
|
| - bool wasInLoop = _inLoop;
|
| - _inLoop = true;
|
| - try {
|
| - Token forKeyword = expect(Keyword.FOR);
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - VariableDeclarationList variableList = null;
|
| - Expression initialization = null;
|
| - if (!matches5(TokenType.SEMICOLON)) {
|
| - if (matchesIdentifier() && matches3(peek(), Keyword.IN)) {
|
| - List<VariableDeclaration> variables = new List<VariableDeclaration>();
|
| - SimpleIdentifier variableName = parseSimpleIdentifier();
|
| - variables.add(new VariableDeclaration.full(null, null, variableName, null, null));
|
| - variableList = new VariableDeclarationList.full(null, null, variables);
|
| - } else if (isInitializedVariableDeclaration()) {
|
| - variableList = parseVariableDeclarationList();
|
| - } else {
|
| - initialization = parseExpression2();
|
| - }
|
| - if (matches(Keyword.IN)) {
|
| - DeclaredIdentifier loopVariable = null;
|
| - if (variableList == null) {
|
| - reportError4(ParserErrorCode.MISSING_VARIABLE_IN_FOR_EACH, []);
|
| - } else {
|
| - NodeList<VariableDeclaration> variables3 = variableList.variables;
|
| - if (variables3.length > 1) {
|
| - reportError4(ParserErrorCode.MULTIPLE_VARIABLES_IN_FOR_EACH, [variables3.length.toString()]);
|
| - }
|
| - VariableDeclaration variable = variables3[0];
|
| - if (variable.initializer != null) {
|
| - reportError4(ParserErrorCode.INITIALIZED_VARIABLE_IN_FOR_EACH, []);
|
| - }
|
| - loopVariable = new DeclaredIdentifier.full(null, null, variableList.keyword, variableList.type, variable.name);
|
| - }
|
| - Token inKeyword = expect(Keyword.IN);
|
| - Expression iterator = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Statement body = parseStatement2();
|
| - return new ForEachStatement.full(forKeyword, leftParenthesis, loopVariable, inKeyword, iterator, rightParenthesis, body);
|
| - }
|
| - }
|
| - Token leftSeparator = expect2(TokenType.SEMICOLON);
|
| - Expression condition = null;
|
| - if (!matches5(TokenType.SEMICOLON)) {
|
| - condition = parseExpression2();
|
| - }
|
| - Token rightSeparator = expect2(TokenType.SEMICOLON);
|
| - List<Expression> updaters = null;
|
| - if (!matches5(TokenType.CLOSE_PAREN)) {
|
| - updaters = parseExpressionList();
|
| - }
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Statement body = parseStatement2();
|
| - return new ForStatement.full(forKeyword, leftParenthesis, variableList, initialization, leftSeparator, condition, rightSeparator, updaters, rightParenthesis, body);
|
| - } finally {
|
| - _inLoop = wasInLoop;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a function body.
|
| - * <pre>
|
| - * functionBody ::=
|
| - * '=>' expression ';'
|
| - * | block
|
| - * functionExpressionBody ::=
|
| - * '=>' expression
|
| - * | block
|
| - * </pre>
|
| - * @param mayBeEmpty {@code true} if the function body is allowed to be empty
|
| - * @param inExpression {@code true} if the function body is being parsed as part of an expression
|
| - * and therefore does not have a terminating semicolon
|
| - * @return the function body that was parsed
|
| - */
|
| - FunctionBody parseFunctionBody(bool mayBeEmpty, bool inExpression) {
|
| - bool wasInLoop = _inLoop;
|
| - bool wasInSwitch = _inSwitch;
|
| - _inLoop = false;
|
| - _inSwitch = false;
|
| - try {
|
| - if (matches5(TokenType.SEMICOLON)) {
|
| - if (!mayBeEmpty) {
|
| - reportError4(ParserErrorCode.MISSING_FUNCTION_BODY, []);
|
| - }
|
| - return new EmptyFunctionBody.full(andAdvance);
|
| - } else if (matches5(TokenType.FUNCTION)) {
|
| - Token functionDefinition = andAdvance;
|
| - Expression expression = parseExpression2();
|
| - Token semicolon = null;
|
| - if (!inExpression) {
|
| - semicolon = expect2(TokenType.SEMICOLON);
|
| - }
|
| - return new ExpressionFunctionBody.full(functionDefinition, expression, semicolon);
|
| - } else if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - return new BlockFunctionBody.full(parseBlock());
|
| - } else if (matches2("native")) {
|
| - advance();
|
| - parseStringLiteral();
|
| - return new EmptyFunctionBody.full(andAdvance);
|
| - } else {
|
| - reportError4(ParserErrorCode.MISSING_FUNCTION_BODY, []);
|
| - return new EmptyFunctionBody.full(createSyntheticToken(TokenType.SEMICOLON));
|
| - }
|
| - } finally {
|
| - _inLoop = wasInLoop;
|
| - _inSwitch = wasInSwitch;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a function declaration.
|
| - * <pre>
|
| - * functionDeclaration ::=
|
| - * functionSignature functionBody
|
| - * | returnType? getOrSet identifier formalParameterList functionBody
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' keyword, or {@code null} if the function is not external
|
| - * @param returnType the return type, or {@code null} if there is no return type
|
| - * @param isStatement {@code true} if the function declaration is being parsed as a statement
|
| - * @return the function declaration that was parsed
|
| - */
|
| - FunctionDeclaration parseFunctionDeclaration(CommentAndMetadata commentAndMetadata, Token externalKeyword, TypeName returnType) {
|
| - Token keyword = null;
|
| - bool isGetter = false;
|
| - if (matches(Keyword.GET) && !matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - keyword = andAdvance;
|
| - isGetter = true;
|
| - } else if (matches(Keyword.SET) && !matches4(peek(), TokenType.OPEN_PAREN)) {
|
| - keyword = andAdvance;
|
| - }
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - FormalParameterList parameters = null;
|
| - if (!isGetter) {
|
| - if (matches5(TokenType.OPEN_PAREN)) {
|
| - parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - } else {
|
| - reportError4(ParserErrorCode.MISSING_FUNCTION_PARAMETERS, []);
|
| - }
|
| - } else if (matches5(TokenType.OPEN_PAREN)) {
|
| - reportError4(ParserErrorCode.GETTER_WITH_PARAMETERS, []);
|
| - parseFormalParameterList();
|
| - }
|
| - FunctionBody body;
|
| - if (externalKeyword == null) {
|
| - body = parseFunctionBody(false, false);
|
| - } else {
|
| - body = new EmptyFunctionBody.full(expect2(TokenType.SEMICOLON));
|
| - }
|
| - return new FunctionDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, returnType, keyword, name, new FunctionExpression.full(parameters, body));
|
| - }
|
| - /**
|
| - * Parse a function declaration statement.
|
| - * <pre>
|
| - * functionDeclarationStatement ::=
|
| - * functionSignature functionBody
|
| - * </pre>
|
| - * @return the function declaration statement that was parsed
|
| - */
|
| - Statement parseFunctionDeclarationStatement() => parseFunctionDeclarationStatement2(parseCommentAndMetadata(), parseOptionalReturnType());
|
| - /**
|
| - * Parse a function declaration statement.
|
| - * <pre>
|
| - * functionDeclarationStatement ::=
|
| - * functionSignature functionBody
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param returnType the return type, or {@code null} if there is no return type
|
| - * @return the function declaration statement that was parsed
|
| - */
|
| - Statement parseFunctionDeclarationStatement2(CommentAndMetadata commentAndMetadata, TypeName returnType) => new FunctionDeclarationStatement.full(parseFunctionDeclaration(commentAndMetadata, null, returnType));
|
| - /**
|
| - * Parse a function expression.
|
| - * <pre>
|
| - * functionExpression ::=
|
| - * (returnType? identifier)? formalParameterList functionExpressionBody
|
| - * </pre>
|
| - * @return the function expression that was parsed
|
| - */
|
| - FunctionExpression parseFunctionExpression() {
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - FunctionBody body = parseFunctionBody(false, true);
|
| - return new FunctionExpression.full(parameters, body);
|
| - }
|
| - /**
|
| - * Parse a function type alias.
|
| - * <pre>
|
| - * functionTypeAlias ::=
|
| - * functionPrefix typeParameterList? formalParameterList ';'
|
| - * functionPrefix ::=
|
| - * returnType? name
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the member
|
| - * @param keyword the token representing the 'typedef' keyword
|
| - * @return the function type alias that was parsed
|
| - */
|
| - FunctionTypeAlias parseFunctionTypeAlias(CommentAndMetadata commentAndMetadata, Token keyword) {
|
| - TypeName returnType = null;
|
| - if (hasReturnTypeInTypeAlias()) {
|
| - returnType = parseReturnType();
|
| - }
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - TypeParameterList typeParameters = null;
|
| - if (matches5(TokenType.LT)) {
|
| - typeParameters = parseTypeParameterList();
|
| - }
|
| - if (matches5(TokenType.SEMICOLON) || matches5(TokenType.EOF)) {
|
| - reportError4(ParserErrorCode.MISSING_TYPEDEF_PARAMETERS, []);
|
| - FormalParameterList parameters = new FormalParameterList.full(createSyntheticToken(TokenType.OPEN_PAREN), null, null, null, createSyntheticToken(TokenType.CLOSE_PAREN));
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new FunctionTypeAlias.full(commentAndMetadata.comment, commentAndMetadata.metadata, keyword, returnType, name, typeParameters, parameters, semicolon);
|
| - } else if (!matches5(TokenType.OPEN_PAREN)) {
|
| - return null;
|
| - }
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new FunctionTypeAlias.full(commentAndMetadata.comment, commentAndMetadata.metadata, keyword, returnType, name, typeParameters, parameters, semicolon);
|
| - }
|
| - /**
|
| - * Parse a getter.
|
| - * <pre>
|
| - * getter ::=
|
| - * getterSignature functionBody?
|
| - * getterSignature ::=
|
| - * 'external'? 'static'? returnType? 'get' identifier
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' token
|
| - * @param staticKeyword the static keyword, or {@code null} if the getter is not static
|
| - * @param the return type that has already been parsed, or {@code null} if there was no return
|
| - * type
|
| - * @return the getter that was parsed
|
| - */
|
| - MethodDeclaration parseGetter(CommentAndMetadata commentAndMetadata, Token externalKeyword, Token staticKeyword, TypeName returnType) {
|
| - Token propertyKeyword = expect(Keyword.GET);
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - if (matches5(TokenType.OPEN_PAREN) && matches4(peek(), TokenType.CLOSE_PAREN)) {
|
| - reportError4(ParserErrorCode.GETTER_WITH_PARAMETERS, []);
|
| - advance();
|
| - advance();
|
| - }
|
| - FunctionBody body = parseFunctionBody(true, false);
|
| - if (externalKeyword != null && body is! EmptyFunctionBody) {
|
| - reportError4(ParserErrorCode.EXTERNAL_GETTER_WITH_BODY, []);
|
| - }
|
| - return new MethodDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, staticKeyword, returnType, propertyKeyword, null, name, null, body);
|
| - }
|
| - /**
|
| - * Parse a list of identifiers.
|
| - * <pre>
|
| - * identifierList ::=
|
| - * identifier (',' identifier)
|
| - * </pre>
|
| - * @return the list of identifiers that were parsed
|
| - */
|
| - List<SimpleIdentifier> parseIdentifierList() {
|
| - List<SimpleIdentifier> identifiers = new List<SimpleIdentifier>();
|
| - identifiers.add(parseSimpleIdentifier());
|
| - while (matches5(TokenType.COMMA)) {
|
| - advance();
|
| - identifiers.add(parseSimpleIdentifier());
|
| - }
|
| - return identifiers;
|
| - }
|
| - /**
|
| - * Parse an if statement.
|
| - * <pre>
|
| - * ifStatement ::=
|
| - * 'if' '(' expression ')' statement ('else' statement)?
|
| - * </pre>
|
| - * @return the if statement that was parsed
|
| - */
|
| - Statement parseIfStatement() {
|
| - Token ifKeyword = expect(Keyword.IF);
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - Expression condition = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Statement thenStatement = parseStatement2();
|
| - Token elseKeyword = null;
|
| - Statement elseStatement = null;
|
| - if (matches(Keyword.ELSE)) {
|
| - elseKeyword = andAdvance;
|
| - elseStatement = parseStatement2();
|
| - }
|
| - return new IfStatement.full(ifKeyword, leftParenthesis, condition, rightParenthesis, thenStatement, elseKeyword, elseStatement);
|
| - }
|
| - /**
|
| - * Parse an implements clause.
|
| - * <pre>
|
| - * implementsClause ::=
|
| - * 'implements' type (',' type)
|
| - * </pre>
|
| - * @return the implements clause that was parsed
|
| - */
|
| - ImplementsClause parseImplementsClause() {
|
| - Token keyword = expect(Keyword.IMPLEMENTS);
|
| - List<TypeName> interfaces = new List<TypeName>();
|
| - interfaces.add(parseTypeName());
|
| - while (optional(TokenType.COMMA)) {
|
| - interfaces.add(parseTypeName());
|
| - }
|
| - return new ImplementsClause.full(keyword, interfaces);
|
| - }
|
| - /**
|
| - * Parse an import directive.
|
| - * <pre>
|
| - * importDirective ::=
|
| - * metadata 'import' stringLiteral ('as' identifier)? combinator*';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the directive
|
| - * @return the import directive that was parsed
|
| - */
|
| - ImportDirective parseImportDirective(CommentAndMetadata commentAndMetadata) {
|
| - Token importKeyword = expect(Keyword.IMPORT);
|
| - StringLiteral libraryUri = parseStringLiteral();
|
| - Token asToken = null;
|
| - SimpleIdentifier prefix = null;
|
| - if (matches(Keyword.AS)) {
|
| - asToken = andAdvance;
|
| - prefix = parseSimpleIdentifier();
|
| - }
|
| - List<Combinator> combinators = parseCombinators();
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new ImportDirective.full(commentAndMetadata.comment, commentAndMetadata.metadata, importKeyword, libraryUri, asToken, prefix, combinators, semicolon);
|
| - }
|
| - /**
|
| - * Parse a list of initialized identifiers.
|
| - * <pre>
|
| - * ?? ::=
|
| - * 'static'? ('var' | type) initializedIdentifierList ';'
|
| - * | 'final' type? initializedIdentifierList ';'
|
| - * initializedIdentifierList ::=
|
| - * initializedIdentifier (',' initializedIdentifier)
|
| - * initializedIdentifier ::=
|
| - * identifier ('=' expression)?
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param staticKeyword the static keyword, or {@code null} if the getter is not static
|
| - * @param keyword the token representing the 'final', 'const' or 'var' keyword, or {@code null} if
|
| - * there is no keyword
|
| - * @param type the type that has already been parsed, or {@code null} if 'var' was provided
|
| - * @return the getter that was parsed
|
| - */
|
| - FieldDeclaration parseInitializedIdentifierList(CommentAndMetadata commentAndMetadata, Token staticKeyword, Token keyword, TypeName type) {
|
| - VariableDeclarationList fieldList = parseVariableDeclarationList2(keyword, type);
|
| - return new FieldDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, staticKeyword, fieldList, expect2(TokenType.SEMICOLON));
|
| - }
|
| - /**
|
| - * Parse an instance creation expression.
|
| - * <pre>
|
| - * instanceCreationExpression ::=
|
| - * ('new' | 'const') type ('.' identifier)? argumentList
|
| - * </pre>
|
| - * @param keyword the 'new' or 'const' keyword that introduces the expression
|
| - * @return the instance creation expression that was parsed
|
| - */
|
| - InstanceCreationExpression parseInstanceCreationExpression(Token keyword) {
|
| - ConstructorName constructorName = parseConstructorName();
|
| - ArgumentList argumentList = parseArgumentList();
|
| - return new InstanceCreationExpression.full(keyword, constructorName, argumentList);
|
| - }
|
| - /**
|
| - * Parse a library directive.
|
| - * <pre>
|
| - * libraryDirective ::=
|
| - * metadata 'library' identifier ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the directive
|
| - * @return the library directive that was parsed
|
| - */
|
| - LibraryDirective parseLibraryDirective(CommentAndMetadata commentAndMetadata) {
|
| - Token keyword = expect(Keyword.LIBRARY);
|
| - LibraryIdentifier libraryName = parseLibraryName(ParserErrorCode.MISSING_NAME_IN_LIBRARY_DIRECTIVE, keyword);
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new LibraryDirective.full(commentAndMetadata.comment, commentAndMetadata.metadata, keyword, libraryName, semicolon);
|
| - }
|
| - /**
|
| - * Parse a library identifier.
|
| - * <pre>
|
| - * libraryIdentifier ::=
|
| - * identifier ('.' identifier)
|
| - * </pre>
|
| - * @return the library identifier that was parsed
|
| - */
|
| - LibraryIdentifier parseLibraryIdentifier() {
|
| - List<SimpleIdentifier> components = new List<SimpleIdentifier>();
|
| - components.add(parseSimpleIdentifier());
|
| - while (matches5(TokenType.PERIOD)) {
|
| - advance();
|
| - components.add(parseSimpleIdentifier());
|
| - }
|
| - return new LibraryIdentifier.full(components);
|
| - }
|
| - /**
|
| - * Parse a library name.
|
| - * <pre>
|
| - * libraryName ::=
|
| - * libraryIdentifier
|
| - * </pre>
|
| - * @param missingNameError the error code to be used if the library name is missing
|
| - * @param missingNameToken the token associated with the error produced if the library name is
|
| - * missing
|
| - * @return the library name that was parsed
|
| - */
|
| - LibraryIdentifier parseLibraryName(ParserErrorCode missingNameError, Token missingNameToken) {
|
| - if (matchesIdentifier()) {
|
| - return parseLibraryIdentifier();
|
| - } else if (matches5(TokenType.STRING)) {
|
| - StringLiteral string = parseStringLiteral();
|
| - reportError(ParserErrorCode.NON_IDENTIFIER_LIBRARY_NAME, string, []);
|
| - } else {
|
| - reportError5(missingNameError, missingNameToken, []);
|
| - }
|
| - List<SimpleIdentifier> components = new List<SimpleIdentifier>();
|
| - components.add(createSyntheticIdentifier());
|
| - return new LibraryIdentifier.full(components);
|
| - }
|
| - /**
|
| - * Parse a list literal.
|
| - * <pre>
|
| - * listLiteral ::=
|
| - * 'const'? typeArguments? '[' (expressionList ','?)? ']'
|
| - * </pre>
|
| - * @param modifier the 'const' modifier appearing before the literal, or {@code null} if there is
|
| - * no modifier
|
| - * @param typeArguments the type arguments appearing before the literal, or {@code null} if there
|
| - * are no type arguments
|
| - * @return the list literal that was parsed
|
| - */
|
| - ListLiteral parseListLiteral(Token modifier, TypeArgumentList typeArguments) {
|
| - if (matches5(TokenType.INDEX)) {
|
| - BeginToken leftBracket = new BeginToken(TokenType.OPEN_SQUARE_BRACKET, _currentToken.offset);
|
| - Token rightBracket = new Token(TokenType.CLOSE_SQUARE_BRACKET, _currentToken.offset + 1);
|
| - leftBracket.endToken = rightBracket;
|
| - rightBracket.setNext(_currentToken.next);
|
| - leftBracket.setNext(rightBracket);
|
| - _currentToken.previous.setNext(leftBracket);
|
| - _currentToken = _currentToken.next;
|
| - return new ListLiteral.full(modifier, typeArguments, leftBracket, null, rightBracket);
|
| - }
|
| - Token leftBracket = expect2(TokenType.OPEN_SQUARE_BRACKET);
|
| - if (matches5(TokenType.CLOSE_SQUARE_BRACKET)) {
|
| - return new ListLiteral.full(modifier, typeArguments, leftBracket, null, andAdvance);
|
| - }
|
| - List<Expression> elements = new List<Expression>();
|
| - elements.add(parseExpression2());
|
| - while (optional(TokenType.COMMA)) {
|
| - if (matches5(TokenType.CLOSE_SQUARE_BRACKET)) {
|
| - return new ListLiteral.full(modifier, typeArguments, leftBracket, elements, andAdvance);
|
| - }
|
| - elements.add(parseExpression2());
|
| - }
|
| - Token rightBracket = expect2(TokenType.CLOSE_SQUARE_BRACKET);
|
| - return new ListLiteral.full(modifier, typeArguments, leftBracket, elements, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a list or map literal.
|
| - * <pre>
|
| - * listOrMapLiteral ::=
|
| - * listLiteral
|
| - * | mapLiteral
|
| - * </pre>
|
| - * @param modifier the 'const' modifier appearing before the literal, or {@code null} if there is
|
| - * no modifier
|
| - * @return the list or map literal that was parsed
|
| - */
|
| - TypedLiteral parseListOrMapLiteral(Token modifier) {
|
| - TypeArgumentList typeArguments = null;
|
| - if (matches5(TokenType.LT)) {
|
| - typeArguments = parseTypeArgumentList();
|
| - }
|
| - if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - return parseMapLiteral(modifier, typeArguments);
|
| - } else if (matches5(TokenType.OPEN_SQUARE_BRACKET) || matches5(TokenType.INDEX)) {
|
| - return parseListLiteral(modifier, typeArguments);
|
| - }
|
| - reportError4(ParserErrorCode.EXPECTED_LIST_OR_MAP_LITERAL, []);
|
| - return new ListLiteral.full(modifier, typeArguments, createSyntheticToken(TokenType.OPEN_SQUARE_BRACKET), null, createSyntheticToken(TokenType.CLOSE_SQUARE_BRACKET));
|
| - }
|
| - /**
|
| - * Parse a logical and expression.
|
| - * <pre>
|
| - * logicalAndExpression ::=
|
| - * bitwiseOrExpression ('&&' bitwiseOrExpression)
|
| - * </pre>
|
| - * @return the logical and expression that was parsed
|
| - */
|
| - Expression parseLogicalAndExpression() {
|
| - Expression expression = parseBitwiseOrExpression();
|
| - while (matches5(TokenType.AMPERSAND_AMPERSAND)) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseBitwiseOrExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a logical or expression.
|
| - * <pre>
|
| - * logicalOrExpression ::=
|
| - * logicalAndExpression ('||' logicalAndExpression)
|
| - * </pre>
|
| - * @return the logical or expression that was parsed
|
| - */
|
| - Expression parseLogicalOrExpression() {
|
| - Expression expression = parseLogicalAndExpression();
|
| - while (matches5(TokenType.BAR_BAR)) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseLogicalAndExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a map literal.
|
| - * <pre>
|
| - * mapLiteral ::=
|
| - * 'const'? typeArguments? '{' (mapLiteralEntry (',' mapLiteralEntry)* ','?)? '}'
|
| - * </pre>
|
| - * @param modifier the 'const' modifier appearing before the literal, or {@code null} if there is
|
| - * no modifier
|
| - * @param typeArguments the type arguments that were declared, or {@code null} if there are no
|
| - * type arguments
|
| - * @return the map literal that was parsed
|
| - */
|
| - MapLiteral parseMapLiteral(Token modifier, TypeArgumentList typeArguments) {
|
| - Token leftBracket = expect2(TokenType.OPEN_CURLY_BRACKET);
|
| - List<MapLiteralEntry> entries = new List<MapLiteralEntry>();
|
| - if (matches5(TokenType.CLOSE_CURLY_BRACKET)) {
|
| - return new MapLiteral.full(modifier, typeArguments, leftBracket, entries, andAdvance);
|
| - }
|
| - entries.add(parseMapLiteralEntry());
|
| - while (optional(TokenType.COMMA)) {
|
| - if (matches5(TokenType.CLOSE_CURLY_BRACKET)) {
|
| - return new MapLiteral.full(modifier, typeArguments, leftBracket, entries, andAdvance);
|
| - }
|
| - entries.add(parseMapLiteralEntry());
|
| - }
|
| - Token rightBracket = expect2(TokenType.CLOSE_CURLY_BRACKET);
|
| - return new MapLiteral.full(modifier, typeArguments, leftBracket, entries, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a map literal entry.
|
| - * <pre>
|
| - * mapLiteralEntry ::=
|
| - * stringLiteral ':' expression
|
| - * </pre>
|
| - * @return the map literal entry that was parsed
|
| - */
|
| - MapLiteralEntry parseMapLiteralEntry() {
|
| - StringLiteral key = parseStringLiteral();
|
| - Token separator = expect2(TokenType.COLON);
|
| - Expression value = parseExpression2();
|
| - return new MapLiteralEntry.full(key, separator, value);
|
| - }
|
| - /**
|
| - * Parse a method declaration.
|
| - * <pre>
|
| - * functionDeclaration ::=
|
| - * 'external'? 'static'? functionSignature functionBody
|
| - * | 'external'? functionSignature ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' token
|
| - * @param staticKeyword the static keyword, or {@code null} if the getter is not static
|
| - * @param returnType the return type of the method
|
| - * @return the method declaration that was parsed
|
| - */
|
| - MethodDeclaration parseMethodDeclaration(CommentAndMetadata commentAndMetadata, Token externalKeyword, Token staticKeyword, TypeName returnType) {
|
| - SimpleIdentifier methodName = parseSimpleIdentifier();
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - return parseMethodDeclaration2(commentAndMetadata, externalKeyword, staticKeyword, returnType, methodName, parameters);
|
| - }
|
| - /**
|
| - * Parse a method declaration.
|
| - * <pre>
|
| - * functionDeclaration ::=
|
| - * ('external' 'static'?)? functionSignature functionBody
|
| - * | 'external'? functionSignature ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' token
|
| - * @param staticKeyword the static keyword, or {@code null} if the getter is not static
|
| - * @param returnType the return type of the method
|
| - * @param name the name of the method
|
| - * @param parameters the parameters to the method
|
| - * @return the method declaration that was parsed
|
| - */
|
| - MethodDeclaration parseMethodDeclaration2(CommentAndMetadata commentAndMetadata, Token externalKeyword, Token staticKeyword, TypeName returnType, SimpleIdentifier name, FormalParameterList parameters) {
|
| - FunctionBody body = parseFunctionBody(externalKeyword != null || staticKeyword == null, false);
|
| - if (externalKeyword != null) {
|
| - if (body is! EmptyFunctionBody) {
|
| - reportError(ParserErrorCode.EXTERNAL_METHOD_WITH_BODY, body, []);
|
| - }
|
| - } else if (staticKeyword != null) {
|
| - if (body is EmptyFunctionBody) {
|
| - reportError(ParserErrorCode.ABSTRACT_STATIC_METHOD, body, []);
|
| - }
|
| - }
|
| - return new MethodDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, staticKeyword, returnType, null, null, name, parameters, body);
|
| - }
|
| - /**
|
| - * Parse the modifiers preceding a declaration. This method allows the modifiers to appear in any
|
| - * order but does generate errors for duplicated modifiers. Checks for other problems, such as
|
| - * having the modifiers appear in the wrong order or specifying both 'const' and 'final', are
|
| - * reported in one of the methods whose name is prefixed with {@code validateModifiersFor}.
|
| - * <pre>
|
| - * modifiers ::=
|
| - * ('abstract' | 'const' | 'external' | 'factory' | 'final' | 'static' | 'var')
|
| - * </pre>
|
| - * @return the modifiers that were parsed
|
| - */
|
| - Modifiers parseModifiers() {
|
| - Modifiers modifiers = new Modifiers();
|
| - bool progress = true;
|
| - while (progress) {
|
| - if (matches(Keyword.ABSTRACT) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.abstractKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.CONST)) {
|
| - if (modifiers.constKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.constKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.EXTERNAL) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - if (modifiers.externalKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.externalKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.FACTORY) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - if (modifiers.factoryKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.factoryKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.FINAL)) {
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.finalKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.STATIC) && !matches4(peek(), TokenType.PERIOD) && !matches4(peek(), TokenType.LT)) {
|
| - if (modifiers.staticKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.staticKeyword = andAdvance;
|
| - }
|
| - } else if (matches(Keyword.VAR)) {
|
| - if (modifiers.varKeyword != null) {
|
| - reportError4(ParserErrorCode.DUPLICATED_MODIFIER, [_currentToken.lexeme]);
|
| - advance();
|
| - } else {
|
| - modifiers.varKeyword = andAdvance;
|
| - }
|
| - } else {
|
| - progress = false;
|
| - }
|
| - }
|
| - return modifiers;
|
| - }
|
| - /**
|
| - * Parse a multiplicative expression.
|
| - * <pre>
|
| - * multiplicativeExpression ::=
|
| - * unaryExpression (multiplicativeOperator unaryExpression)
|
| - * | 'super' (multiplicativeOperator unaryExpression)+
|
| - * </pre>
|
| - * @return the multiplicative expression that was parsed
|
| - */
|
| - Expression parseMultiplicativeExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && _currentToken.next.type.isMultiplicativeOperator()) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseUnaryExpression();
|
| - }
|
| - while (_currentToken.type.isMultiplicativeOperator()) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseUnaryExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a new expression.
|
| - * <pre>
|
| - * newExpression ::=
|
| - * instanceCreationExpression
|
| - * </pre>
|
| - * @return the new expression that was parsed
|
| - */
|
| - InstanceCreationExpression parseNewExpression() => parseInstanceCreationExpression(expect(Keyword.NEW));
|
| - /**
|
| - * Parse a non-labeled statement.
|
| - * <pre>
|
| - * nonLabeledStatement ::=
|
| - * block
|
| - * | assertStatement
|
| - * | breakStatement
|
| - * | continueStatement
|
| - * | doStatement
|
| - * | forStatement
|
| - * | ifStatement
|
| - * | returnStatement
|
| - * | switchStatement
|
| - * | tryStatement
|
| - * | whileStatement
|
| - * | variableDeclarationList ';'
|
| - * | expressionStatement
|
| - * | functionSignature functionBody
|
| - * </pre>
|
| - * @return the non-labeled statement that was parsed
|
| - */
|
| - Statement parseNonLabeledStatement() {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - if (matches4(peek(), TokenType.STRING)) {
|
| - Token afterString = skipStringLiteral(_currentToken.next);
|
| - if (afterString != null && identical(afterString.type, TokenType.COLON)) {
|
| - return new ExpressionStatement.full(parseExpression2(), expect2(TokenType.SEMICOLON));
|
| - }
|
| - }
|
| - return parseBlock();
|
| - } else if (matches5(TokenType.KEYWORD) && !((_currentToken as KeywordToken)).keyword.isPseudoKeyword()) {
|
| - Keyword keyword30 = ((_currentToken as KeywordToken)).keyword;
|
| - if (identical(keyword30, Keyword.ASSERT)) {
|
| - return parseAssertStatement();
|
| - } else if (identical(keyword30, Keyword.BREAK)) {
|
| - return parseBreakStatement();
|
| - } else if (identical(keyword30, Keyword.CONTINUE)) {
|
| - return parseContinueStatement();
|
| - } else if (identical(keyword30, Keyword.DO)) {
|
| - return parseDoStatement();
|
| - } else if (identical(keyword30, Keyword.FOR)) {
|
| - return parseForStatement();
|
| - } else if (identical(keyword30, Keyword.IF)) {
|
| - return parseIfStatement();
|
| - } else if (identical(keyword30, Keyword.RETURN)) {
|
| - return parseReturnStatement();
|
| - } else if (identical(keyword30, Keyword.SWITCH)) {
|
| - return parseSwitchStatement();
|
| - } else if (identical(keyword30, Keyword.THROW)) {
|
| - return new ExpressionStatement.full(parseThrowExpression(), expect2(TokenType.SEMICOLON));
|
| - } else if (identical(keyword30, Keyword.TRY)) {
|
| - return parseTryStatement();
|
| - } else if (identical(keyword30, Keyword.WHILE)) {
|
| - return parseWhileStatement();
|
| - } else if (identical(keyword30, Keyword.VAR) || identical(keyword30, Keyword.FINAL)) {
|
| - return parseVariableDeclarationStatement();
|
| - } else if (identical(keyword30, Keyword.VOID)) {
|
| - TypeName returnType = parseReturnType();
|
| - if (matchesIdentifier() && matchesAny(peek(), [TokenType.OPEN_PAREN, TokenType.OPEN_CURLY_BRACKET, TokenType.FUNCTION])) {
|
| - return parseFunctionDeclarationStatement2(commentAndMetadata, returnType);
|
| - } else {
|
| - if (matchesIdentifier()) {
|
| - if (matchesAny(peek(), [TokenType.EQ, TokenType.COMMA, TokenType.SEMICOLON])) {
|
| - reportError(ParserErrorCode.VOID_VARIABLE, returnType, []);
|
| - return parseVariableDeclarationStatement();
|
| - }
|
| - }
|
| - return null;
|
| - }
|
| - } else if (identical(keyword30, Keyword.CONST)) {
|
| - if (matchesAny(peek(), [TokenType.LT, TokenType.OPEN_CURLY_BRACKET, TokenType.OPEN_SQUARE_BRACKET, TokenType.INDEX])) {
|
| - return new ExpressionStatement.full(parseExpression2(), expect2(TokenType.SEMICOLON));
|
| - } else if (matches4(peek(), TokenType.IDENTIFIER)) {
|
| - Token afterType = skipTypeName(peek());
|
| - if (afterType != null) {
|
| - if (matches4(afterType, TokenType.OPEN_PAREN) || (matches4(afterType, TokenType.PERIOD) && matches4(afterType.next, TokenType.IDENTIFIER) && matches4(afterType.next.next, TokenType.OPEN_PAREN))) {
|
| - return new ExpressionStatement.full(parseExpression2(), expect2(TokenType.SEMICOLON));
|
| - }
|
| - }
|
| - }
|
| - return parseVariableDeclarationStatement();
|
| - } else if (identical(keyword30, Keyword.NEW) || identical(keyword30, Keyword.TRUE) || identical(keyword30, Keyword.FALSE) || identical(keyword30, Keyword.NULL) || identical(keyword30, Keyword.SUPER) || identical(keyword30, Keyword.THIS)) {
|
| - return new ExpressionStatement.full(parseExpression2(), expect2(TokenType.SEMICOLON));
|
| - } else {
|
| - return null;
|
| - }
|
| - } else if (matches5(TokenType.SEMICOLON)) {
|
| - return parseEmptyStatement();
|
| - } else if (isInitializedVariableDeclaration()) {
|
| - return parseVariableDeclarationStatement();
|
| - } else if (isFunctionDeclaration()) {
|
| - return parseFunctionDeclarationStatement();
|
| - } else {
|
| - return new ExpressionStatement.full(parseExpression2(), expect2(TokenType.SEMICOLON));
|
| - }
|
| - }
|
| - /**
|
| - * Parse a normal formal parameter.
|
| - * <pre>
|
| - * normalFormalParameter ::=
|
| - * functionSignature
|
| - * | fieldFormalParameter
|
| - * | simpleFormalParameter
|
| - * functionSignature:
|
| - * metadata returnType? identifier formalParameterList
|
| - * fieldFormalParameter ::=
|
| - * metadata finalConstVarOrType? 'this' '.' identifier
|
| - * simpleFormalParameter ::=
|
| - * declaredIdentifier
|
| - * | metadata identifier
|
| - * </pre>
|
| - * @return the normal formal parameter that was parsed
|
| - */
|
| - NormalFormalParameter parseNormalFormalParameter() {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - FinalConstVarOrType holder = parseFinalConstVarOrType(true);
|
| - Token thisKeyword = null;
|
| - Token period = null;
|
| - if (matches(Keyword.THIS)) {
|
| - thisKeyword = andAdvance;
|
| - period = expect2(TokenType.PERIOD);
|
| - }
|
| - SimpleIdentifier identifier = parseSimpleIdentifier();
|
| - if (matches5(TokenType.OPEN_PAREN)) {
|
| - if (thisKeyword != null) {
|
| - }
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - return new FunctionTypedFormalParameter.full(commentAndMetadata.comment, commentAndMetadata.metadata, holder.type, identifier, parameters);
|
| - }
|
| - TypeName type22 = holder.type;
|
| - if (type22 != null && matches3(type22.name.beginToken, Keyword.VOID)) {
|
| - reportError5(ParserErrorCode.VOID_PARAMETER, type22.name.beginToken, []);
|
| - }
|
| - if (thisKeyword != null) {
|
| - return new FieldFormalParameter.full(commentAndMetadata.comment, commentAndMetadata.metadata, holder.keyword, holder.type, thisKeyword, period, identifier);
|
| - }
|
| - return new SimpleFormalParameter.full(commentAndMetadata.comment, commentAndMetadata.metadata, holder.keyword, holder.type, identifier);
|
| - }
|
| - /**
|
| - * Parse an operator declaration.
|
| - * <pre>
|
| - * operatorDeclaration ::=
|
| - * operatorSignature (';' | functionBody)
|
| - * operatorSignature ::=
|
| - * 'external'? returnType? 'operator' operator formalParameterList
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' token
|
| - * @param the return type that has already been parsed, or {@code null} if there was no return
|
| - * type
|
| - * @return the operator declaration that was parsed
|
| - */
|
| - MethodDeclaration parseOperator(CommentAndMetadata commentAndMetadata, Token externalKeyword, TypeName returnType) {
|
| - Token operatorKeyword = expect(Keyword.OPERATOR);
|
| - if (!_currentToken.isUserDefinableOperator()) {
|
| - reportError4(ParserErrorCode.NON_USER_DEFINABLE_OPERATOR, [_currentToken.lexeme]);
|
| - }
|
| - SimpleIdentifier name = new SimpleIdentifier.full(andAdvance);
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - FunctionBody body = parseFunctionBody(true, false);
|
| - if (externalKeyword != null && body is! EmptyFunctionBody) {
|
| - reportError4(ParserErrorCode.EXTERNAL_OPERATOR_WITH_BODY, []);
|
| - }
|
| - return new MethodDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, null, returnType, null, operatorKeyword, name, parameters, body);
|
| - }
|
| - /**
|
| - * Parse a return type if one is given, otherwise return {@code null} without advancing.
|
| - * @return the return type that was parsed
|
| - */
|
| - TypeName parseOptionalReturnType() {
|
| - if (matches(Keyword.VOID)) {
|
| - return parseReturnType();
|
| - } else if (matchesIdentifier() && !matches(Keyword.GET) && !matches(Keyword.SET) && !matches(Keyword.OPERATOR) && (matchesIdentifier2(peek()) || matches4(peek(), TokenType.LT))) {
|
| - return parseReturnType();
|
| - } else if (matchesIdentifier() && matches4(peek(), TokenType.PERIOD) && matchesIdentifier2(peek2(2)) && (matchesIdentifier2(peek2(3)) || matches4(peek2(3), TokenType.LT))) {
|
| - return parseReturnType();
|
| - }
|
| - return null;
|
| - }
|
| - /**
|
| - * Parse a part or part-of directive.
|
| - * <pre>
|
| - * partDirective ::=
|
| - * metadata 'part' stringLiteral ';'
|
| - * partOfDirective ::=
|
| - * metadata 'part' 'of' identifier ';'
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the directive
|
| - * @return the part or part-of directive that was parsed
|
| - */
|
| - Directive parsePartDirective(CommentAndMetadata commentAndMetadata) {
|
| - Token partKeyword = expect(Keyword.PART);
|
| - if (matches2(_OF)) {
|
| - Token ofKeyword = andAdvance;
|
| - LibraryIdentifier libraryName = parseLibraryName(ParserErrorCode.MISSING_NAME_IN_PART_OF_DIRECTIVE, ofKeyword);
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new PartOfDirective.full(commentAndMetadata.comment, commentAndMetadata.metadata, partKeyword, ofKeyword, libraryName, semicolon);
|
| - }
|
| - StringLiteral partUri = parseStringLiteral();
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new PartDirective.full(commentAndMetadata.comment, commentAndMetadata.metadata, partKeyword, partUri, semicolon);
|
| - }
|
| - /**
|
| - * Parse a postfix expression.
|
| - * <pre>
|
| - * postfixExpression ::=
|
| - * assignableExpression postfixOperator
|
| - * | primary selector
|
| - * selector ::=
|
| - * assignableSelector
|
| - * | argumentList
|
| - * </pre>
|
| - * @return the postfix expression that was parsed
|
| - */
|
| - Expression parsePostfixExpression() {
|
| - Expression operand = parseAssignableExpression(true);
|
| - if (matches5(TokenType.OPEN_SQUARE_BRACKET) || matches5(TokenType.PERIOD) || matches5(TokenType.OPEN_PAREN)) {
|
| - do {
|
| - if (matches5(TokenType.OPEN_PAREN)) {
|
| - ArgumentList argumentList = parseArgumentList();
|
| - if (operand is PropertyAccess) {
|
| - PropertyAccess access = operand as PropertyAccess;
|
| - operand = new MethodInvocation.full(access.target, access.operator, access.propertyName, argumentList);
|
| - } else {
|
| - operand = new FunctionExpressionInvocation.full(operand, argumentList);
|
| - }
|
| - } else {
|
| - operand = parseAssignableSelector(operand, true);
|
| - }
|
| - } while (matches5(TokenType.OPEN_SQUARE_BRACKET) || matches5(TokenType.PERIOD) || matches5(TokenType.OPEN_PAREN));
|
| - return operand;
|
| - }
|
| - if (!_currentToken.type.isIncrementOperator()) {
|
| - return operand;
|
| - }
|
| - if (operand is FunctionExpressionInvocation) {
|
| - reportError4(ParserErrorCode.MISSING_ASSIGNABLE_SELECTOR, []);
|
| - }
|
| - Token operator = andAdvance;
|
| - return new PostfixExpression.full(operand, operator);
|
| - }
|
| - /**
|
| - * Parse a prefixed identifier.
|
| - * <pre>
|
| - * prefixedIdentifier ::=
|
| - * identifier ('.' identifier)?
|
| - * </pre>
|
| - * @return the prefixed identifier that was parsed
|
| - */
|
| - Identifier parsePrefixedIdentifier() {
|
| - SimpleIdentifier qualifier = parseSimpleIdentifier();
|
| - if (!matches5(TokenType.PERIOD)) {
|
| - return qualifier;
|
| - }
|
| - Token period = andAdvance;
|
| - SimpleIdentifier qualified = parseSimpleIdentifier();
|
| - return new PrefixedIdentifier.full(qualifier, period, qualified);
|
| - }
|
| - /**
|
| - * Parse a primary expression.
|
| - * <pre>
|
| - * primary ::=
|
| - * thisExpression
|
| - * | 'super' assignableSelector
|
| - * | functionExpression
|
| - * | literal
|
| - * | identifier
|
| - * | newExpression
|
| - * | constObjectExpression
|
| - * | '(' expression ')'
|
| - * | argumentDefinitionTest
|
| - * literal ::=
|
| - * nullLiteral
|
| - * | booleanLiteral
|
| - * | numericLiteral
|
| - * | stringLiteral
|
| - * | mapLiteral
|
| - * | listLiteral
|
| - * </pre>
|
| - * @return the primary expression that was parsed
|
| - */
|
| - Expression parsePrimaryExpression() {
|
| - if (matches(Keyword.THIS)) {
|
| - return new ThisExpression.full(andAdvance);
|
| - } else if (matches(Keyword.SUPER)) {
|
| - return parseAssignableSelector(new SuperExpression.full(andAdvance), false);
|
| - } else if (matches(Keyword.NULL)) {
|
| - return new NullLiteral.full(andAdvance);
|
| - } else if (matches(Keyword.FALSE)) {
|
| - return new BooleanLiteral.full(andAdvance, false);
|
| - } else if (matches(Keyword.TRUE)) {
|
| - return new BooleanLiteral.full(andAdvance, true);
|
| - } else if (matches5(TokenType.DOUBLE)) {
|
| - Token token = andAdvance;
|
| - double value = 0.0;
|
| - try {
|
| - value = double.parse(token.lexeme);
|
| - } on NumberFormatException catch (exception) {
|
| - }
|
| - return new DoubleLiteral.full(token, value);
|
| - } else if (matches5(TokenType.HEXADECIMAL)) {
|
| - Token token = andAdvance;
|
| - int value = null;
|
| - try {
|
| - value = int.parse(token.lexeme.substring(2), radix: 16);
|
| - } on NumberFormatException catch (exception) {
|
| - }
|
| - return new IntegerLiteral.full(token, value);
|
| - } else if (matches5(TokenType.INT)) {
|
| - Token token = andAdvance;
|
| - int value = null;
|
| - try {
|
| - value = int.parse(token.lexeme);
|
| - } on NumberFormatException catch (exception) {
|
| - }
|
| - return new IntegerLiteral.full(token, value);
|
| - } else if (matches5(TokenType.STRING)) {
|
| - return parseStringLiteral();
|
| - } else if (matches5(TokenType.OPEN_CURLY_BRACKET)) {
|
| - return parseMapLiteral(null, null);
|
| - } else if (matches5(TokenType.OPEN_SQUARE_BRACKET) || matches5(TokenType.INDEX)) {
|
| - return parseListLiteral(null, null);
|
| - } else if (matchesIdentifier()) {
|
| - return parsePrefixedIdentifier();
|
| - } else if (matches(Keyword.NEW)) {
|
| - return parseNewExpression();
|
| - } else if (matches(Keyword.CONST)) {
|
| - return parseConstExpression();
|
| - } else if (matches5(TokenType.OPEN_PAREN)) {
|
| - if (isFunctionExpression(_currentToken)) {
|
| - return parseFunctionExpression();
|
| - }
|
| - Token leftParenthesis = andAdvance;
|
| - Expression expression = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - return new ParenthesizedExpression.full(leftParenthesis, expression, rightParenthesis);
|
| - } else if (matches5(TokenType.LT)) {
|
| - return parseListOrMapLiteral(null);
|
| - } else if (matches5(TokenType.QUESTION)) {
|
| - return parseArgumentDefinitionTest();
|
| - } else if (matches(Keyword.VOID)) {
|
| - reportError4(ParserErrorCode.UNEXPECTED_TOKEN, [_currentToken.lexeme]);
|
| - advance();
|
| - return parsePrimaryExpression();
|
| - } else {
|
| - return createSyntheticIdentifier();
|
| - }
|
| - }
|
| - /**
|
| - * Parse a redirecting constructor invocation.
|
| - * <pre>
|
| - * redirectingConstructorInvocation ::=
|
| - * 'this' ('.' identifier)? arguments
|
| - * </pre>
|
| - * @return the redirecting constructor invocation that was parsed
|
| - */
|
| - RedirectingConstructorInvocation parseRedirectingConstructorInvocation() {
|
| - Token keyword = expect(Keyword.THIS);
|
| - Token period = null;
|
| - SimpleIdentifier constructorName = null;
|
| - if (matches5(TokenType.PERIOD)) {
|
| - period = andAdvance;
|
| - constructorName = parseSimpleIdentifier();
|
| - }
|
| - ArgumentList argumentList = parseArgumentList();
|
| - return new RedirectingConstructorInvocation.full(keyword, period, constructorName, argumentList);
|
| - }
|
| - /**
|
| - * Parse a relational expression.
|
| - * <pre>
|
| - * relationalExpression ::=
|
| - * shiftExpression ('is' type | 'as' type | relationalOperator shiftExpression)?
|
| - * | 'super' relationalOperator shiftExpression
|
| - * </pre>
|
| - * @return the relational expression that was parsed
|
| - */
|
| - Expression parseRelationalExpression() {
|
| - if (matches(Keyword.SUPER) && _currentToken.next.type.isRelationalOperator()) {
|
| - Expression expression = new SuperExpression.full(andAdvance);
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseShiftExpression());
|
| - return expression;
|
| - }
|
| - Expression expression = parseShiftExpression();
|
| - if (matches(Keyword.AS)) {
|
| - Token asOperator = andAdvance;
|
| - expression = new AsExpression.full(expression, asOperator, parseTypeName());
|
| - } else if (matches(Keyword.IS)) {
|
| - Token isOperator = andAdvance;
|
| - Token notOperator = null;
|
| - if (matches5(TokenType.BANG)) {
|
| - notOperator = andAdvance;
|
| - }
|
| - expression = new IsExpression.full(expression, isOperator, notOperator, parseTypeName());
|
| - } else if (_currentToken.type.isRelationalOperator()) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseShiftExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a return statement.
|
| - * <pre>
|
| - * returnStatement ::=
|
| - * 'return' expression? ';'
|
| - * </pre>
|
| - * @return the return statement that was parsed
|
| - */
|
| - Statement parseReturnStatement() {
|
| - Token returnKeyword = expect(Keyword.RETURN);
|
| - if (matches5(TokenType.SEMICOLON)) {
|
| - return new ReturnStatement.full(returnKeyword, null, andAdvance);
|
| - }
|
| - Expression expression = parseExpression2();
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new ReturnStatement.full(returnKeyword, expression, semicolon);
|
| - }
|
| - /**
|
| - * Parse a return type.
|
| - * <pre>
|
| - * returnType ::=
|
| - * 'void'
|
| - * | type
|
| - * </pre>
|
| - * @return the return type that was parsed
|
| - */
|
| - TypeName parseReturnType() {
|
| - if (matches(Keyword.VOID)) {
|
| - return new TypeName.full(new SimpleIdentifier.full(andAdvance), null);
|
| - } else {
|
| - return parseTypeName();
|
| - }
|
| - }
|
| - /**
|
| - * Parse a setter.
|
| - * <pre>
|
| - * setter ::=
|
| - * setterSignature functionBody?
|
| - * setterSignature ::=
|
| - * 'external'? 'static'? returnType? 'set' identifier formalParameterList
|
| - * </pre>
|
| - * @param commentAndMetadata the documentation comment and metadata to be associated with the
|
| - * declaration
|
| - * @param externalKeyword the 'external' token
|
| - * @param staticKeyword the static keyword, or {@code null} if the setter is not static
|
| - * @param the return type that has already been parsed, or {@code null} if there was no return
|
| - * type
|
| - * @return the setter that was parsed
|
| - */
|
| - MethodDeclaration parseSetter(CommentAndMetadata commentAndMetadata, Token externalKeyword, Token staticKeyword, TypeName returnType) {
|
| - Token propertyKeyword = expect(Keyword.SET);
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - FormalParameterList parameters = parseFormalParameterList();
|
| - validateFormalParameterList(parameters);
|
| - FunctionBody body = parseFunctionBody(true, false);
|
| - if (externalKeyword != null && body is! EmptyFunctionBody) {
|
| - reportError4(ParserErrorCode.EXTERNAL_SETTER_WITH_BODY, []);
|
| - }
|
| - return new MethodDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, externalKeyword, staticKeyword, returnType, propertyKeyword, null, name, parameters, body);
|
| - }
|
| - /**
|
| - * Parse a shift expression.
|
| - * <pre>
|
| - * shiftExpression ::=
|
| - * additiveExpression (shiftOperator additiveExpression)
|
| - * | 'super' (shiftOperator additiveExpression)+
|
| - * </pre>
|
| - * @return the shift expression that was parsed
|
| - */
|
| - Expression parseShiftExpression() {
|
| - Expression expression;
|
| - if (matches(Keyword.SUPER) && _currentToken.next.type.isShiftOperator()) {
|
| - expression = new SuperExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseAdditiveExpression();
|
| - }
|
| - while (_currentToken.type.isShiftOperator()) {
|
| - Token operator = andAdvance;
|
| - expression = new BinaryExpression.full(expression, operator, parseAdditiveExpression());
|
| - }
|
| - return expression;
|
| - }
|
| - /**
|
| - * Parse a simple identifier.
|
| - * <pre>
|
| - * identifier ::=
|
| - * IDENTIFIER
|
| - * </pre>
|
| - * @return the simple identifier that was parsed
|
| - */
|
| - SimpleIdentifier parseSimpleIdentifier() {
|
| - if (matchesIdentifier()) {
|
| - return new SimpleIdentifier.full(andAdvance);
|
| - }
|
| - reportError4(ParserErrorCode.MISSING_IDENTIFIER, []);
|
| - return createSyntheticIdentifier();
|
| - }
|
| - /**
|
| - * Parse a statement.
|
| - * <pre>
|
| - * statement ::=
|
| - * label* nonLabeledStatement
|
| - * </pre>
|
| - * @return the statement that was parsed
|
| - */
|
| - Statement parseStatement2() {
|
| - List<Label> labels = new List<Label>();
|
| - while (matchesIdentifier() && matches4(peek(), TokenType.COLON)) {
|
| - SimpleIdentifier label = parseSimpleIdentifier();
|
| - Token colon = expect2(TokenType.COLON);
|
| - labels.add(new Label.full(label, colon));
|
| - }
|
| - Statement statement = parseNonLabeledStatement();
|
| - if (labels.isEmpty) {
|
| - return statement;
|
| - }
|
| - return new LabeledStatement.full(labels, statement);
|
| - }
|
| - /**
|
| - * Parse a list of statements within a switch statement.
|
| - * <pre>
|
| - * statements ::=
|
| - * statement
|
| - * </pre>
|
| - * @return the statements that were parsed
|
| - */
|
| - List<Statement> parseStatements2() {
|
| - List<Statement> statements = new List<Statement>();
|
| - Token statementStart = _currentToken;
|
| - while (!matches5(TokenType.EOF) && !matches5(TokenType.CLOSE_CURLY_BRACKET) && !isSwitchMember()) {
|
| - statements.add(parseStatement2());
|
| - if (identical(_currentToken, statementStart)) {
|
| - reportError5(ParserErrorCode.UNEXPECTED_TOKEN, _currentToken, [_currentToken.lexeme]);
|
| - advance();
|
| - }
|
| - statementStart = _currentToken;
|
| - }
|
| - return statements;
|
| - }
|
| - /**
|
| - * Parse a string literal that contains interpolations.
|
| - * @return the string literal that was parsed
|
| - */
|
| - StringInterpolation parseStringInterpolation(Token string) {
|
| - List<InterpolationElement> elements = new List<InterpolationElement>();
|
| - elements.add(new InterpolationString.full(string, computeStringValue(string.lexeme)));
|
| - while (matches5(TokenType.STRING_INTERPOLATION_EXPRESSION) || matches5(TokenType.STRING_INTERPOLATION_IDENTIFIER)) {
|
| - if (matches5(TokenType.STRING_INTERPOLATION_EXPRESSION)) {
|
| - Token openToken = andAdvance;
|
| - Expression expression = parseExpression2();
|
| - Token rightBracket = expect2(TokenType.CLOSE_CURLY_BRACKET);
|
| - elements.add(new InterpolationExpression.full(openToken, expression, rightBracket));
|
| - } else {
|
| - Token openToken = andAdvance;
|
| - Expression expression = null;
|
| - if (matches(Keyword.THIS)) {
|
| - expression = new ThisExpression.full(andAdvance);
|
| - } else {
|
| - expression = parseSimpleIdentifier();
|
| - }
|
| - elements.add(new InterpolationExpression.full(openToken, expression, null));
|
| - }
|
| - if (matches5(TokenType.STRING)) {
|
| - string = andAdvance;
|
| - elements.add(new InterpolationString.full(string, computeStringValue(string.lexeme)));
|
| - }
|
| - }
|
| - return new StringInterpolation.full(elements);
|
| - }
|
| - /**
|
| - * Parse a string literal.
|
| - * <pre>
|
| - * stringLiteral ::=
|
| - * MULTI_LINE_STRING+
|
| - * | SINGLE_LINE_STRING+
|
| - * </pre>
|
| - * @return the string literal that was parsed
|
| - */
|
| - StringLiteral parseStringLiteral() {
|
| - List<StringLiteral> strings = new List<StringLiteral>();
|
| - while (matches5(TokenType.STRING)) {
|
| - Token string = andAdvance;
|
| - if (matches5(TokenType.STRING_INTERPOLATION_EXPRESSION) || matches5(TokenType.STRING_INTERPOLATION_IDENTIFIER)) {
|
| - strings.add(parseStringInterpolation(string));
|
| - } else {
|
| - strings.add(new SimpleStringLiteral.full(string, computeStringValue(string.lexeme)));
|
| - }
|
| - }
|
| - if (strings.length < 1) {
|
| - reportError4(ParserErrorCode.EXPECTED_STRING_LITERAL, []);
|
| - return createSyntheticStringLiteral();
|
| - } else if (strings.length == 1) {
|
| - return strings[0];
|
| - } else {
|
| - return new AdjacentStrings.full(strings);
|
| - }
|
| - }
|
| - /**
|
| - * Parse a super constructor invocation.
|
| - * <pre>
|
| - * superConstructorInvocation ::=
|
| - * 'super' ('.' identifier)? arguments
|
| - * </pre>
|
| - * @return the super constructor invocation that was parsed
|
| - */
|
| - SuperConstructorInvocation parseSuperConstructorInvocation() {
|
| - Token keyword = expect(Keyword.SUPER);
|
| - Token period = null;
|
| - SimpleIdentifier constructorName = null;
|
| - if (matches5(TokenType.PERIOD)) {
|
| - period = andAdvance;
|
| - constructorName = parseSimpleIdentifier();
|
| - }
|
| - ArgumentList argumentList = parseArgumentList();
|
| - return new SuperConstructorInvocation.full(keyword, period, constructorName, argumentList);
|
| - }
|
| - /**
|
| - * Parse a switch statement.
|
| - * <pre>
|
| - * switchStatement ::=
|
| - * 'switch' '(' expression ')' '{' switchCase* defaultCase? '}'
|
| - * switchCase ::=
|
| - * label* ('case' expression ':') statements
|
| - * defaultCase ::=
|
| - * label* 'default' ':' statements
|
| - * </pre>
|
| - * @return the switch statement that was parsed
|
| - */
|
| - SwitchStatement parseSwitchStatement() {
|
| - bool wasInSwitch = _inSwitch;
|
| - _inSwitch = true;
|
| - try {
|
| - Set<String> definedLabels = new Set<String>();
|
| - Token keyword = expect(Keyword.SWITCH);
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - Expression expression = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Token leftBracket = expect2(TokenType.OPEN_CURLY_BRACKET);
|
| - List<SwitchMember> members = new List<SwitchMember>();
|
| - while (!matches5(TokenType.EOF) && !matches5(TokenType.CLOSE_CURLY_BRACKET)) {
|
| - List<Label> labels = new List<Label>();
|
| - while (matchesIdentifier() && matches4(peek(), TokenType.COLON)) {
|
| - SimpleIdentifier identifier = parseSimpleIdentifier();
|
| - String label = identifier.token.lexeme;
|
| - if (definedLabels.contains(label)) {
|
| - reportError5(ParserErrorCode.DUPLICATE_LABEL_IN_SWITCH_STATEMENT, identifier.token, [label]);
|
| - } else {
|
| - javaSetAdd(definedLabels, label);
|
| - }
|
| - Token colon = expect2(TokenType.COLON);
|
| - labels.add(new Label.full(identifier, colon));
|
| - }
|
| - if (matches(Keyword.CASE)) {
|
| - Token caseKeyword = andAdvance;
|
| - Expression caseExpression = parseExpression2();
|
| - Token colon = expect2(TokenType.COLON);
|
| - members.add(new SwitchCase.full(labels, caseKeyword, caseExpression, colon, parseStatements2()));
|
| - } else if (matches(Keyword.DEFAULT)) {
|
| - Token defaultKeyword = andAdvance;
|
| - Token colon = expect2(TokenType.COLON);
|
| - members.add(new SwitchDefault.full(labels, defaultKeyword, colon, parseStatements2()));
|
| - } else {
|
| - reportError4(ParserErrorCode.EXPECTED_CASE_OR_DEFAULT, []);
|
| - while (!matches5(TokenType.EOF) && !matches5(TokenType.CLOSE_CURLY_BRACKET) && !matches(Keyword.CASE) && !matches(Keyword.DEFAULT)) {
|
| - advance();
|
| - }
|
| - }
|
| - }
|
| - Token rightBracket = expect2(TokenType.CLOSE_CURLY_BRACKET);
|
| - return new SwitchStatement.full(keyword, leftParenthesis, expression, rightParenthesis, leftBracket, members, rightBracket);
|
| - } finally {
|
| - _inSwitch = wasInSwitch;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a throw expression.
|
| - * <pre>
|
| - * throwExpression ::=
|
| - * 'throw' expression? ';'
|
| - * </pre>
|
| - * @return the throw expression that was parsed
|
| - */
|
| - Expression parseThrowExpression() {
|
| - Token keyword = expect(Keyword.THROW);
|
| - if (matches5(TokenType.SEMICOLON) || matches5(TokenType.CLOSE_PAREN)) {
|
| - return new ThrowExpression.full(keyword, null);
|
| - }
|
| - Expression expression = parseExpression2();
|
| - return new ThrowExpression.full(keyword, expression);
|
| - }
|
| - /**
|
| - * Parse a throw expression.
|
| - * <pre>
|
| - * throwExpressionWithoutCascade ::=
|
| - * 'throw' expressionWithoutCascade? ';'
|
| - * </pre>
|
| - * @return the throw expression that was parsed
|
| - */
|
| - Expression parseThrowExpressionWithoutCascade() {
|
| - Token keyword = expect(Keyword.THROW);
|
| - if (matches5(TokenType.SEMICOLON) || matches5(TokenType.CLOSE_PAREN)) {
|
| - return new ThrowExpression.full(keyword, null);
|
| - }
|
| - Expression expression = parseExpressionWithoutCascade();
|
| - return new ThrowExpression.full(keyword, expression);
|
| - }
|
| - /**
|
| - * Parse a try statement.
|
| - * <pre>
|
| - * tryStatement ::=
|
| - * 'try' block (onPart+ finallyPart? | finallyPart)
|
| - * onPart ::=
|
| - * catchPart block
|
| - * | 'on' qualified catchPart? block
|
| - * catchPart ::=
|
| - * 'catch' '(' identifier (',' identifier)? ')'
|
| - * finallyPart ::=
|
| - * 'finally' block
|
| - * </pre>
|
| - * @return the try statement that was parsed
|
| - */
|
| - Statement parseTryStatement() {
|
| - Token tryKeyword = expect(Keyword.TRY);
|
| - Block body = parseBlock();
|
| - List<CatchClause> catchClauses = new List<CatchClause>();
|
| - Block finallyClause = null;
|
| - while (matches2(_ON) || matches(Keyword.CATCH)) {
|
| - Token onKeyword = null;
|
| - TypeName exceptionType = null;
|
| - if (matches2(_ON)) {
|
| - onKeyword = andAdvance;
|
| - exceptionType = new TypeName.full(parsePrefixedIdentifier(), null);
|
| - }
|
| - Token catchKeyword = null;
|
| - Token leftParenthesis = null;
|
| - SimpleIdentifier exceptionParameter = null;
|
| - Token comma = null;
|
| - SimpleIdentifier stackTraceParameter = null;
|
| - Token rightParenthesis = null;
|
| - if (matches(Keyword.CATCH)) {
|
| - catchKeyword = andAdvance;
|
| - leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - exceptionParameter = parseSimpleIdentifier();
|
| - if (matches5(TokenType.COMMA)) {
|
| - comma = andAdvance;
|
| - stackTraceParameter = parseSimpleIdentifier();
|
| - }
|
| - rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - }
|
| - Block catchBody = parseBlock();
|
| - catchClauses.add(new CatchClause.full(onKeyword, exceptionType, catchKeyword, leftParenthesis, exceptionParameter, comma, stackTraceParameter, rightParenthesis, catchBody));
|
| - }
|
| - Token finallyKeyword = null;
|
| - if (matches(Keyword.FINALLY)) {
|
| - finallyKeyword = andAdvance;
|
| - finallyClause = parseBlock();
|
| - } else {
|
| - if (catchClauses.isEmpty) {
|
| - reportError4(ParserErrorCode.MISSING_CATCH_OR_FINALLY, []);
|
| - }
|
| - }
|
| - return new TryStatement.full(tryKeyword, body, catchClauses, finallyKeyword, finallyClause);
|
| - }
|
| - /**
|
| - * Parse a type alias.
|
| - * <pre>
|
| - * typeAlias ::=
|
| - * 'typedef' typeAliasBody
|
| - * typeAliasBody ::=
|
| - * classTypeAlias
|
| - * | functionTypeAlias
|
| - * classTypeAlias ::=
|
| - * identifier typeParameters? '=' 'abstract'? mixinApplication
|
| - * mixinApplication ::=
|
| - * qualified withClause implementsClause? ';'
|
| - * functionTypeAlias ::=
|
| - * functionPrefix typeParameterList? formalParameterList ';'
|
| - * functionPrefix ::=
|
| - * returnType? name
|
| - * </pre>
|
| - * @param commentAndMetadata the metadata to be associated with the member
|
| - * @return the type alias that was parsed
|
| - */
|
| - TypeAlias parseTypeAlias(CommentAndMetadata commentAndMetadata) {
|
| - Token keyword = expect(Keyword.TYPEDEF);
|
| - if (matchesIdentifier()) {
|
| - Token next = peek();
|
| - if (matches4(next, TokenType.LT)) {
|
| - next = skipTypeParameterList(next);
|
| - if (next != null && matches4(next, TokenType.EQ)) {
|
| - return parseClassTypeAlias(commentAndMetadata, keyword);
|
| - }
|
| - } else if (matches4(next, TokenType.EQ)) {
|
| - return parseClassTypeAlias(commentAndMetadata, keyword);
|
| - }
|
| - }
|
| - return parseFunctionTypeAlias(commentAndMetadata, keyword);
|
| - }
|
| - /**
|
| - * Parse a list of type arguments.
|
| - * <pre>
|
| - * typeArguments ::=
|
| - * '<' typeList '>'
|
| - * typeList ::=
|
| - * type (',' type)
|
| - * </pre>
|
| - * @return the type argument list that was parsed
|
| - */
|
| - TypeArgumentList parseTypeArgumentList() {
|
| - Token leftBracket = expect2(TokenType.LT);
|
| - List<TypeName> arguments = new List<TypeName>();
|
| - arguments.add(parseTypeName());
|
| - while (optional(TokenType.COMMA)) {
|
| - arguments.add(parseTypeName());
|
| - }
|
| - Token rightBracket = expect2(TokenType.GT);
|
| - return new TypeArgumentList.full(leftBracket, arguments, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a type name.
|
| - * <pre>
|
| - * type ::=
|
| - * qualified typeArguments?
|
| - * </pre>
|
| - * @return the type name that was parsed
|
| - */
|
| - TypeName parseTypeName() {
|
| - Identifier typeName = parsePrefixedIdentifier();
|
| - TypeArgumentList typeArguments = null;
|
| - if (matches5(TokenType.LT)) {
|
| - typeArguments = parseTypeArgumentList();
|
| - }
|
| - return new TypeName.full(typeName, typeArguments);
|
| - }
|
| - /**
|
| - * Parse a type parameter.
|
| - * <pre>
|
| - * typeParameter ::=
|
| - * metadata name ('extends' bound)?
|
| - * </pre>
|
| - * @return the type parameter that was parsed
|
| - */
|
| - TypeParameter parseTypeParameter() {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - if (matches(Keyword.EXTENDS)) {
|
| - Token keyword = andAdvance;
|
| - TypeName bound = parseTypeName();
|
| - return new TypeParameter.full(commentAndMetadata.comment, commentAndMetadata.metadata, name, keyword, bound);
|
| - }
|
| - return new TypeParameter.full(commentAndMetadata.comment, commentAndMetadata.metadata, name, null, null);
|
| - }
|
| - /**
|
| - * Parse a list of type parameters.
|
| - * <pre>
|
| - * typeParameterList ::=
|
| - * '<' typeParameter (',' typeParameter)* '>'
|
| - * </pre>
|
| - * @return the list of type parameters that were parsed
|
| - */
|
| - TypeParameterList parseTypeParameterList() {
|
| - Token leftBracket = expect2(TokenType.LT);
|
| - List<TypeParameter> typeParameters = new List<TypeParameter>();
|
| - typeParameters.add(parseTypeParameter());
|
| - while (optional(TokenType.COMMA)) {
|
| - typeParameters.add(parseTypeParameter());
|
| - }
|
| - Token rightBracket = expect2(TokenType.GT);
|
| - return new TypeParameterList.full(leftBracket, typeParameters, rightBracket);
|
| - }
|
| - /**
|
| - * Parse a unary expression.
|
| - * <pre>
|
| - * unaryExpression ::=
|
| - * prefixOperator unaryExpression
|
| - * | postfixExpression
|
| - * | unaryOperator 'super'
|
| - * | '-' 'super'
|
| - * | incrementOperator assignableExpression
|
| - * </pre>
|
| - * @return the unary expression that was parsed
|
| - */
|
| - Expression parseUnaryExpression() {
|
| - if (matches5(TokenType.MINUS) || matches5(TokenType.BANG) || matches5(TokenType.TILDE)) {
|
| - Token operator = andAdvance;
|
| - if (matches(Keyword.SUPER)) {
|
| - if (matches4(peek(), TokenType.OPEN_SQUARE_BRACKET) || matches4(peek(), TokenType.PERIOD)) {
|
| - return new PrefixExpression.full(operator, parseUnaryExpression());
|
| - }
|
| - return new PrefixExpression.full(operator, new SuperExpression.full(andAdvance));
|
| - }
|
| - return new PrefixExpression.full(operator, parseUnaryExpression());
|
| - } else if (_currentToken.type.isIncrementOperator()) {
|
| - Token operator = andAdvance;
|
| - if (matches(Keyword.SUPER)) {
|
| - if (identical(operator.type, TokenType.MINUS_MINUS)) {
|
| - int offset9 = operator.offset;
|
| - Token firstOperator = new Token(TokenType.MINUS, offset9);
|
| - Token secondOperator = new Token(TokenType.MINUS, offset9 + 1);
|
| - secondOperator.setNext(_currentToken);
|
| - firstOperator.setNext(secondOperator);
|
| - operator.previous.setNext(firstOperator);
|
| - return new PrefixExpression.full(firstOperator, new PrefixExpression.full(secondOperator, new SuperExpression.full(andAdvance)));
|
| - } else {
|
| - reportError4(ParserErrorCode.INVALID_OPERATOR_FOR_SUPER, [operator.lexeme]);
|
| - return new PrefixExpression.full(operator, new SuperExpression.full(andAdvance));
|
| - }
|
| - }
|
| - return new PrefixExpression.full(operator, parseAssignableExpression(false));
|
| - } else if (matches5(TokenType.PLUS)) {
|
| - reportError4(ParserErrorCode.USE_OF_UNARY_PLUS_OPERATOR, []);
|
| - }
|
| - return parsePostfixExpression();
|
| - }
|
| - /**
|
| - * Parse a variable declaration.
|
| - * <pre>
|
| - * variableDeclaration ::=
|
| - * identifier ('=' expression)?
|
| - * </pre>
|
| - * @return the variable declaration that was parsed
|
| - */
|
| - VariableDeclaration parseVariableDeclaration() {
|
| - CommentAndMetadata commentAndMetadata = parseCommentAndMetadata();
|
| - SimpleIdentifier name = parseSimpleIdentifier();
|
| - Token equals = null;
|
| - Expression initializer = null;
|
| - if (matches5(TokenType.EQ)) {
|
| - equals = andAdvance;
|
| - initializer = parseExpression2();
|
| - }
|
| - return new VariableDeclaration.full(commentAndMetadata.comment, commentAndMetadata.metadata, name, equals, initializer);
|
| - }
|
| - /**
|
| - * Parse a variable declaration list.
|
| - * <pre>
|
| - * variableDeclarationList ::=
|
| - * finalConstVarOrType variableDeclaration (',' variableDeclaration)
|
| - * </pre>
|
| - * @return the variable declaration list that was parsed
|
| - */
|
| - VariableDeclarationList parseVariableDeclarationList() {
|
| - FinalConstVarOrType holder = parseFinalConstVarOrType(false);
|
| - return parseVariableDeclarationList2(holder.keyword, holder.type);
|
| - }
|
| - /**
|
| - * Parse a variable declaration list.
|
| - * <pre>
|
| - * variableDeclarationList ::=
|
| - * finalConstVarOrType variableDeclaration (',' variableDeclaration)
|
| - * </pre>
|
| - * @param keyword the token representing the 'final', 'const' or 'var' keyword, or {@code null} if
|
| - * there is no keyword
|
| - * @param type the type of the variables in the list
|
| - * @return the variable declaration list that was parsed
|
| - */
|
| - VariableDeclarationList parseVariableDeclarationList2(Token keyword, TypeName type) {
|
| - List<VariableDeclaration> variables = new List<VariableDeclaration>();
|
| - variables.add(parseVariableDeclaration());
|
| - while (matches5(TokenType.COMMA)) {
|
| - advance();
|
| - variables.add(parseVariableDeclaration());
|
| - }
|
| - return new VariableDeclarationList.full(keyword, type, variables);
|
| - }
|
| - /**
|
| - * Parse a variable declaration statement.
|
| - * <pre>
|
| - * variableDeclarationStatement ::=
|
| - * variableDeclarationList ';'
|
| - * </pre>
|
| - * @return the variable declaration statement that was parsed
|
| - */
|
| - VariableDeclarationStatement parseVariableDeclarationStatement() {
|
| - VariableDeclarationList variableList = parseVariableDeclarationList();
|
| - Token semicolon = expect2(TokenType.SEMICOLON);
|
| - return new VariableDeclarationStatement.full(variableList, semicolon);
|
| - }
|
| - /**
|
| - * Parse a while statement.
|
| - * <pre>
|
| - * whileStatement ::=
|
| - * 'while' '(' expression ')' statement
|
| - * </pre>
|
| - * @return the while statement that was parsed
|
| - */
|
| - Statement parseWhileStatement() {
|
| - bool wasInLoop = _inLoop;
|
| - _inLoop = true;
|
| - try {
|
| - Token keyword = expect(Keyword.WHILE);
|
| - Token leftParenthesis = expect2(TokenType.OPEN_PAREN);
|
| - Expression condition = parseExpression2();
|
| - Token rightParenthesis = expect2(TokenType.CLOSE_PAREN);
|
| - Statement body = parseStatement2();
|
| - return new WhileStatement.full(keyword, leftParenthesis, condition, rightParenthesis, body);
|
| - } finally {
|
| - _inLoop = wasInLoop;
|
| - }
|
| - }
|
| - /**
|
| - * Parse a with clause.
|
| - * <pre>
|
| - * withClause ::=
|
| - * 'with' typeName (',' typeName)
|
| - * </pre>
|
| - * @return the with clause that was parsed
|
| - */
|
| - WithClause parseWithClause() {
|
| - Token with2 = expect(Keyword.WITH);
|
| - List<TypeName> types = new List<TypeName>();
|
| - types.add(parseTypeName());
|
| - while (optional(TokenType.COMMA)) {
|
| - types.add(parseTypeName());
|
| - }
|
| - return new WithClause.full(with2, types);
|
| - }
|
| - /**
|
| - * Return the token that is immediately after the current token. This is equivalent to{@link #peek(int) peek(1)}.
|
| - * @return the token that is immediately after the current token
|
| - */
|
| - Token peek() => _currentToken.next;
|
| - /**
|
| - * Return the token that is the given distance after the current token.
|
| - * @param distance the number of tokens to look ahead, where {@code 0} is the current token,{@code 1} is the next token, etc.
|
| - * @return the token that is the given distance after the current token
|
| - */
|
| - Token peek2(int distance) {
|
| - Token token = _currentToken;
|
| - for (int i = 0; i < distance; i++) {
|
| - token = token.next;
|
| - }
|
| - return token;
|
| - }
|
| - /**
|
| - * Report an error with the given error code and arguments.
|
| - * @param errorCode the error code of the error to be reported
|
| - * @param node the node specifying the location of the error
|
| - * @param arguments the arguments to the error, used to compose the error message
|
| - */
|
| - void reportError(ParserErrorCode errorCode, ASTNode node, List<Object> arguments) {
|
| - _errorListener.onError(new AnalysisError.con2(_source, node.offset, node.length, errorCode, [arguments]));
|
| - }
|
| - /**
|
| - * Report an error with the given error code and arguments.
|
| - * @param errorCode the error code of the error to be reported
|
| - * @param arguments the arguments to the error, used to compose the error message
|
| - */
|
| - void reportError4(ParserErrorCode errorCode, List<Object> arguments) {
|
| - reportError5(errorCode, _currentToken, arguments);
|
| - }
|
| - /**
|
| - * Report an error with the given error code and arguments.
|
| - * @param errorCode the error code of the error to be reported
|
| - * @param token the token specifying the location of the error
|
| - * @param arguments the arguments to the error, used to compose the error message
|
| - */
|
| - void reportError5(ParserErrorCode errorCode, Token token, List<Object> arguments) {
|
| - _errorListener.onError(new AnalysisError.con2(_source, token.offset, token.length, errorCode, [arguments]));
|
| - }
|
| - /**
|
| - * Parse the 'final', 'const', 'var' or type preceding a variable declaration, starting at the
|
| - * given token, without actually creating a type or changing the current token. Return the token
|
| - * following the type that was parsed, or {@code null} if the given token is not the first token
|
| - * in a valid type.
|
| - * <pre>
|
| - * finalConstVarOrType ::=
|
| - * | 'final' type?
|
| - * | 'const' type?
|
| - * | 'var'
|
| - * | type
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the type that was parsed
|
| - */
|
| - Token skipFinalConstVarOrType(Token startToken) {
|
| - if (matches3(startToken, Keyword.FINAL) || matches3(startToken, Keyword.CONST)) {
|
| - Token next3 = startToken.next;
|
| - if (matchesIdentifier2(next3.next) || matches4(next3.next, TokenType.LT) || matches3(next3.next, Keyword.THIS)) {
|
| - return skipTypeName(next3);
|
| - }
|
| - } else if (matches3(startToken, Keyword.VAR)) {
|
| - return startToken.next;
|
| - } else if (matchesIdentifier2(startToken)) {
|
| - Token next4 = startToken.next;
|
| - if (matchesIdentifier2(next4) || matches4(next4, TokenType.LT) || matches3(next4, Keyword.THIS) || (matches4(next4, TokenType.PERIOD) && matchesIdentifier2(next4.next) && (matchesIdentifier2(next4.next.next) || matches4(next4.next.next, TokenType.LT) || matches3(next4.next.next, Keyword.THIS)))) {
|
| - return skipReturnType(startToken);
|
| - }
|
| - }
|
| - return null;
|
| - }
|
| - /**
|
| - * Parse a list of formal parameters, starting at the given token, without actually creating a
|
| - * formal parameter list or changing the current token. Return the token following the formal
|
| - * parameter list that was parsed, or {@code null} if the given token is not the first token in a
|
| - * valid list of formal parameter.
|
| - * <p>
|
| - * Note that unlike other skip methods, this method uses a heuristic. In the worst case, the
|
| - * parameters could be prefixed by metadata, which would require us to be able to skip arbitrary
|
| - * expressions. Rather than duplicate the logic of most of the parse methods we simply look for
|
| - * something that is likely to be a list of parameters and then skip to returning the token after
|
| - * the closing parenthesis.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseFormalParameterList()}.
|
| - * <pre>
|
| - * formalParameterList ::=
|
| - * '(' ')'
|
| - * | '(' normalFormalParameters (',' optionalFormalParameters)? ')'
|
| - * | '(' optionalFormalParameters ')'
|
| - * normalFormalParameters ::=
|
| - * normalFormalParameter (',' normalFormalParameter)
|
| - * optionalFormalParameters ::=
|
| - * optionalPositionalFormalParameters
|
| - * | namedFormalParameters
|
| - * optionalPositionalFormalParameters ::=
|
| - * '[' defaultFormalParameter (',' defaultFormalParameter)* ']'
|
| - * namedFormalParameters ::=
|
| - * '{' defaultNamedParameter (',' defaultNamedParameter)* '}'
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the formal parameter list that was parsed
|
| - */
|
| - Token skipFormalParameterList(Token startToken) {
|
| - if (!matches4(startToken, TokenType.OPEN_PAREN)) {
|
| - return null;
|
| - }
|
| - Token next5 = startToken.next;
|
| - if (matches4(next5, TokenType.CLOSE_PAREN)) {
|
| - return next5.next;
|
| - }
|
| - if (matchesAny(next5, [TokenType.AT, TokenType.OPEN_SQUARE_BRACKET, TokenType.OPEN_CURLY_BRACKET]) || matches3(next5, Keyword.VOID) || (matchesIdentifier2(next5) && (matchesAny(next5.next, [TokenType.COMMA, TokenType.CLOSE_PAREN])))) {
|
| - return skipPastMatchingToken(startToken);
|
| - }
|
| - if (matchesIdentifier2(next5) && matches4(next5.next, TokenType.OPEN_PAREN)) {
|
| - Token afterParameters = skipFormalParameterList(next5.next);
|
| - if (afterParameters != null && (matchesAny(afterParameters, [TokenType.COMMA, TokenType.CLOSE_PAREN]))) {
|
| - return skipPastMatchingToken(startToken);
|
| - }
|
| - }
|
| - Token afterType = skipFinalConstVarOrType(next5);
|
| - if (afterType == null) {
|
| - return null;
|
| - }
|
| - if (skipSimpleIdentifier(afterType) == null) {
|
| - return null;
|
| - }
|
| - return skipPastMatchingToken(startToken);
|
| - }
|
| - /**
|
| - * If the given token is a begin token with an associated end token, then return the token
|
| - * following the end token. Otherwise, return {@code null}.
|
| - * @param startToken the token that is assumed to be a being token
|
| - * @return the token following the matching end token
|
| - */
|
| - Token skipPastMatchingToken(Token startToken) {
|
| - if (startToken is! BeginToken) {
|
| - return null;
|
| - }
|
| - Token closeParen = ((startToken as BeginToken)).endToken;
|
| - if (closeParen == null) {
|
| - return null;
|
| - }
|
| - return closeParen.next;
|
| - }
|
| - /**
|
| - * Parse a prefixed identifier, starting at the given token, without actually creating a prefixed
|
| - * identifier or changing the current token. Return the token following the prefixed identifier
|
| - * that was parsed, or {@code null} if the given token is not the first token in a valid prefixed
|
| - * identifier.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parsePrefixedIdentifier()}.
|
| - * <pre>
|
| - * prefixedIdentifier ::=
|
| - * identifier ('.' identifier)?
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the prefixed identifier that was parsed
|
| - */
|
| - Token skipPrefixedIdentifier(Token startToken) {
|
| - Token token = skipSimpleIdentifier(startToken);
|
| - if (token == null) {
|
| - return null;
|
| - } else if (!matches4(token, TokenType.PERIOD)) {
|
| - return token;
|
| - }
|
| - return skipSimpleIdentifier(token.next);
|
| - }
|
| - /**
|
| - * Parse a return type, starting at the given token, without actually creating a return type or
|
| - * changing the current token. Return the token following the return type that was parsed, or{@code null} if the given token is not the first token in a valid return type.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseReturnType()}.
|
| - * <pre>
|
| - * returnType ::=
|
| - * 'void'
|
| - * | type
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the return type that was parsed
|
| - */
|
| - Token skipReturnType(Token startToken) {
|
| - if (matches3(startToken, Keyword.VOID)) {
|
| - return startToken.next;
|
| - } else {
|
| - return skipTypeName(startToken);
|
| - }
|
| - }
|
| - /**
|
| - * Parse a simple identifier, starting at the given token, without actually creating a simple
|
| - * identifier or changing the current token. Return the token following the simple identifier that
|
| - * was parsed, or {@code null} if the given token is not the first token in a valid simple
|
| - * identifier.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseSimpleIdentifier()}.
|
| - * <pre>
|
| - * identifier ::=
|
| - * IDENTIFIER
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the simple identifier that was parsed
|
| - */
|
| - Token skipSimpleIdentifier(Token startToken) {
|
| - if (matches4(startToken, TokenType.IDENTIFIER) || (matches4(startToken, TokenType.KEYWORD) && ((startToken as KeywordToken)).keyword.isPseudoKeyword())) {
|
| - return startToken.next;
|
| - }
|
| - return null;
|
| - }
|
| - /**
|
| - * Parse a string literal that contains interpolations, starting at the given token, without
|
| - * actually creating a string literal or changing the current token. Return the token following
|
| - * the string literal that was parsed, or {@code null} if the given token is not the first token
|
| - * in a valid string literal.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseStringInterpolation(Token)}.
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the string literal that was parsed
|
| - */
|
| - Token skipStringInterpolation(Token startToken) {
|
| - Token token = startToken;
|
| - TokenType type23 = token.type;
|
| - while (identical(type23, TokenType.STRING_INTERPOLATION_EXPRESSION) || identical(type23, TokenType.STRING_INTERPOLATION_IDENTIFIER)) {
|
| - if (identical(type23, TokenType.STRING_INTERPOLATION_EXPRESSION)) {
|
| - token = token.next;
|
| - type23 = token.type;
|
| - int bracketNestingLevel = 1;
|
| - while (bracketNestingLevel > 0) {
|
| - if (identical(type23, TokenType.EOF)) {
|
| - return null;
|
| - } else if (identical(type23, TokenType.OPEN_CURLY_BRACKET)) {
|
| - bracketNestingLevel++;
|
| - } else if (identical(type23, TokenType.CLOSE_CURLY_BRACKET)) {
|
| - bracketNestingLevel--;
|
| - } else if (identical(type23, TokenType.STRING)) {
|
| - token = skipStringLiteral(token);
|
| - if (token == null) {
|
| - return null;
|
| - }
|
| - } else {
|
| - token = token.next;
|
| - }
|
| - type23 = token.type;
|
| - }
|
| - token = token.next;
|
| - type23 = token.type;
|
| - } else {
|
| - token = token.next;
|
| - if (token.type != TokenType.IDENTIFIER) {
|
| - return null;
|
| - }
|
| - token = token.next;
|
| - }
|
| - type23 = token.type;
|
| - if (identical(type23, TokenType.STRING)) {
|
| - token = token.next;
|
| - type23 = token.type;
|
| - }
|
| - }
|
| - return token;
|
| - }
|
| - /**
|
| - * Parse a string literal, starting at the given token, without actually creating a string literal
|
| - * or changing the current token. Return the token following the string literal that was parsed,
|
| - * or {@code null} if the given token is not the first token in a valid string literal.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseStringLiteral()}.
|
| - * <pre>
|
| - * stringLiteral ::=
|
| - * MULTI_LINE_STRING+
|
| - * | SINGLE_LINE_STRING+
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the string literal that was parsed
|
| - */
|
| - Token skipStringLiteral(Token startToken) {
|
| - Token token = startToken;
|
| - while (token != null && matches4(token, TokenType.STRING)) {
|
| - token = token.next;
|
| - TokenType type24 = token.type;
|
| - if (identical(type24, TokenType.STRING_INTERPOLATION_EXPRESSION) || identical(type24, TokenType.STRING_INTERPOLATION_IDENTIFIER)) {
|
| - token = skipStringInterpolation(token);
|
| - }
|
| - }
|
| - if (identical(token, startToken)) {
|
| - return null;
|
| - }
|
| - return token;
|
| - }
|
| - /**
|
| - * Parse a list of type arguments, starting at the given token, without actually creating a type argument list
|
| - * or changing the current token. Return the token following the type argument list that was parsed,
|
| - * or {@code null} if the given token is not the first token in a valid type argument list.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseTypeArgumentList()}.
|
| - * <pre>
|
| - * typeArguments ::=
|
| - * '<' typeList '>'
|
| - * typeList ::=
|
| - * type (',' type)
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the type argument list that was parsed
|
| - */
|
| - Token skipTypeArgumentList(Token startToken) {
|
| - Token token = startToken;
|
| - if (!matches4(token, TokenType.LT)) {
|
| - return null;
|
| - }
|
| - token = skipTypeName(token.next);
|
| - if (token == null) {
|
| - return null;
|
| - }
|
| - while (matches4(token, TokenType.COMMA)) {
|
| - token = skipTypeName(token.next);
|
| - if (token == null) {
|
| - return null;
|
| - }
|
| - }
|
| - if (identical(token.type, TokenType.GT)) {
|
| - return token.next;
|
| - } else if (identical(token.type, TokenType.GT_GT)) {
|
| - Token second = new Token(TokenType.GT, token.offset + 1);
|
| - second.setNextWithoutSettingPrevious(token.next);
|
| - return second;
|
| - }
|
| - return null;
|
| - }
|
| - /**
|
| - * Parse a type name, starting at the given token, without actually creating a type name or
|
| - * changing the current token. Return the token following the type name that was parsed, or{@code null} if the given token is not the first token in a valid type name.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseTypeName()}.
|
| - * <pre>
|
| - * type ::=
|
| - * qualified typeArguments?
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the type name that was parsed
|
| - */
|
| - Token skipTypeName(Token startToken) {
|
| - Token token = skipPrefixedIdentifier(startToken);
|
| - if (token == null) {
|
| - return null;
|
| - }
|
| - if (matches4(token, TokenType.LT)) {
|
| - token = skipTypeArgumentList(token);
|
| - }
|
| - return token;
|
| - }
|
| - /**
|
| - * Parse a list of type parameters, starting at the given token, without actually creating a type
|
| - * parameter list or changing the current token. Return the token following the type parameter
|
| - * list that was parsed, or {@code null} if the given token is not the first token in a valid type
|
| - * parameter list.
|
| - * <p>
|
| - * This method must be kept in sync with {@link #parseTypeParameterList()}.
|
| - * <pre>
|
| - * typeParameterList ::=
|
| - * '<' typeParameter (',' typeParameter)* '>'
|
| - * </pre>
|
| - * @param startToken the token at which parsing is to begin
|
| - * @return the token following the type parameter list that was parsed
|
| - */
|
| - Token skipTypeParameterList(Token startToken) {
|
| - if (!matches4(startToken, TokenType.LT)) {
|
| - return null;
|
| - }
|
| - int depth = 1;
|
| - Token next6 = startToken.next;
|
| - while (depth > 0) {
|
| - if (matches4(next6, TokenType.EOF)) {
|
| - return null;
|
| - } else if (matches4(next6, TokenType.LT)) {
|
| - depth++;
|
| - } else if (matches4(next6, TokenType.GT)) {
|
| - depth--;
|
| - } else if (matches4(next6, TokenType.GT_EQ)) {
|
| - if (depth == 1) {
|
| - Token fakeEquals = new Token(TokenType.EQ, next6.offset + 2);
|
| - fakeEquals.setNextWithoutSettingPrevious(next6.next);
|
| - return fakeEquals;
|
| - }
|
| - depth--;
|
| - } else if (matches4(next6, TokenType.GT_GT)) {
|
| - depth -= 2;
|
| - } else if (matches4(next6, TokenType.GT_GT_EQ)) {
|
| - if (depth < 2) {
|
| - return null;
|
| - } else if (depth == 2) {
|
| - Token fakeEquals = new Token(TokenType.EQ, next6.offset + 2);
|
| - fakeEquals.setNextWithoutSettingPrevious(next6.next);
|
| - return fakeEquals;
|
| - }
|
| - depth -= 2;
|
| - }
|
| - next6 = next6.next;
|
| - }
|
| - return next6;
|
| - }
|
| - /**
|
| - * Translate the characters at the given index in the given string, appending the translated
|
| - * character to the given builder. The index is assumed to be valid.
|
| - * @param builder the builder to which the translated character is to be appended
|
| - * @param lexeme the string containing the character(s) to be translated
|
| - * @param index the index of the character to be translated
|
| - * @return the index of the next character to be translated
|
| - */
|
| - int translateCharacter(JavaStringBuilder builder, String lexeme, int index) {
|
| - int currentChar = lexeme.codeUnitAt(index);
|
| - if (currentChar != 0x5C) {
|
| - builder.appendChar(currentChar);
|
| - return index + 1;
|
| - }
|
| - int length8 = lexeme.length;
|
| - int currentIndex = index + 1;
|
| - if (currentIndex >= length8) {
|
| - return length8;
|
| - }
|
| - currentChar = lexeme.codeUnitAt(currentIndex);
|
| - if (currentChar == 0x6E) {
|
| - builder.appendChar(0xA);
|
| - } else if (currentChar == 0x72) {
|
| - builder.appendChar(0xD);
|
| - } else if (currentChar == 0x66) {
|
| - builder.appendChar(0xC);
|
| - } else if (currentChar == 0x62) {
|
| - builder.appendChar(0x8);
|
| - } else if (currentChar == 0x74) {
|
| - builder.appendChar(0x9);
|
| - } else if (currentChar == 0x76) {
|
| - builder.appendChar(0xB);
|
| - } else if (currentChar == 0x78) {
|
| - if (currentIndex + 2 >= length8) {
|
| - reportError4(ParserErrorCode.INVALID_HEX_ESCAPE, []);
|
| - return length8;
|
| - }
|
| - int firstDigit = lexeme.codeUnitAt(currentIndex + 1);
|
| - int secondDigit = lexeme.codeUnitAt(currentIndex + 2);
|
| - if (!isHexDigit(firstDigit) || !isHexDigit(secondDigit)) {
|
| - reportError4(ParserErrorCode.INVALID_HEX_ESCAPE, []);
|
| - } else {
|
| - builder.appendChar((((Character.digit(firstDigit, 16) << 4) + Character.digit(secondDigit, 16)) as int));
|
| - }
|
| - return currentIndex + 3;
|
| - } else if (currentChar == 0x75) {
|
| - currentIndex++;
|
| - if (currentIndex >= length8) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - return length8;
|
| - }
|
| - currentChar = lexeme.codeUnitAt(currentIndex);
|
| - if (currentChar == 0x7B) {
|
| - currentIndex++;
|
| - if (currentIndex >= length8) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - return length8;
|
| - }
|
| - currentChar = lexeme.codeUnitAt(currentIndex);
|
| - int digitCount = 0;
|
| - int value = 0;
|
| - while (currentChar != 0x7D) {
|
| - if (!isHexDigit(currentChar)) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - currentIndex++;
|
| - while (currentIndex < length8 && lexeme.codeUnitAt(currentIndex) != 0x7D) {
|
| - currentIndex++;
|
| - }
|
| - return currentIndex + 1;
|
| - }
|
| - digitCount++;
|
| - value = (value << 4) + Character.digit(currentChar, 16);
|
| - currentIndex++;
|
| - if (currentIndex >= length8) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - return length8;
|
| - }
|
| - currentChar = lexeme.codeUnitAt(currentIndex);
|
| - }
|
| - if (digitCount < 1 || digitCount > 6) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - }
|
| - appendScalarValue(builder, lexeme.substring(index, currentIndex + 1), value, index, currentIndex);
|
| - return currentIndex + 1;
|
| - } else {
|
| - if (currentIndex + 3 >= length8) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - return length8;
|
| - }
|
| - int firstDigit = currentChar;
|
| - int secondDigit = lexeme.codeUnitAt(currentIndex + 1);
|
| - int thirdDigit = lexeme.codeUnitAt(currentIndex + 2);
|
| - int fourthDigit = lexeme.codeUnitAt(currentIndex + 3);
|
| - if (!isHexDigit(firstDigit) || !isHexDigit(secondDigit) || !isHexDigit(thirdDigit) || !isHexDigit(fourthDigit)) {
|
| - reportError4(ParserErrorCode.INVALID_UNICODE_ESCAPE, []);
|
| - } else {
|
| - appendScalarValue(builder, lexeme.substring(index, currentIndex + 1), ((((((Character.digit(firstDigit, 16) << 4) + Character.digit(secondDigit, 16)) << 4) + Character.digit(thirdDigit, 16)) << 4) + Character.digit(fourthDigit, 16)), index, currentIndex + 3);
|
| - }
|
| - return currentIndex + 4;
|
| - }
|
| - } else {
|
| - builder.appendChar(currentChar);
|
| - }
|
| - return currentIndex + 1;
|
| - }
|
| - /**
|
| - * Validate that the given parameter list does not contain any field initializers.
|
| - * @param parameterList the parameter list to be validated
|
| - */
|
| - void validateFormalParameterList(FormalParameterList parameterList) {
|
| - for (FormalParameter parameter in parameterList.parameters) {
|
| - if (parameter is FieldFormalParameter) {
|
| - reportError(ParserErrorCode.FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR, ((parameter as FieldFormalParameter)).identifier, []);
|
| - }
|
| - }
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a class and return the 'abstract'
|
| - * keyword if there is one.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - Token validateModifiersForClass(Modifiers modifiers) {
|
| - validateModifiersForTopLevelDeclaration(modifiers);
|
| - if (modifiers.constKeyword != null) {
|
| - reportError5(ParserErrorCode.CONST_CLASS, modifiers.constKeyword, []);
|
| - }
|
| - if (modifiers.externalKeyword != null) {
|
| - reportError5(ParserErrorCode.EXTERNAL_CLASS, modifiers.externalKeyword, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_CLASS, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.VAR_CLASS, modifiers.varKeyword, []);
|
| - }
|
| - return modifiers.abstractKeyword;
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a constructor and return the
|
| - * 'const' keyword if there is one.
|
| - * @param modifiers the modifiers being validated
|
| - * @return the 'const' or 'final' keyword associated with the constructor
|
| - */
|
| - Token validateModifiersForConstructor(Modifiers modifiers) {
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_CLASS_MEMBER, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_CONSTRUCTOR, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.staticKeyword != null) {
|
| - reportError5(ParserErrorCode.STATIC_CONSTRUCTOR, modifiers.staticKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.CONSTRUCTOR_WITH_RETURN_TYPE, modifiers.varKeyword, []);
|
| - }
|
| - Token externalKeyword6 = modifiers.externalKeyword;
|
| - Token constKeyword4 = modifiers.constKeyword;
|
| - Token factoryKeyword4 = modifiers.factoryKeyword;
|
| - if (externalKeyword6 != null && constKeyword4 != null && constKeyword4.offset < externalKeyword6.offset) {
|
| - reportError5(ParserErrorCode.EXTERNAL_AFTER_CONST, externalKeyword6, []);
|
| - }
|
| - if (externalKeyword6 != null && factoryKeyword4 != null && factoryKeyword4.offset < externalKeyword6.offset) {
|
| - reportError5(ParserErrorCode.EXTERNAL_AFTER_FACTORY, externalKeyword6, []);
|
| - }
|
| - return constKeyword4;
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a field and return the 'final',
|
| - * 'const' or 'var' keyword if there is one.
|
| - * @param modifiers the modifiers being validated
|
| - * @return the 'final', 'const' or 'var' keyword associated with the field
|
| - */
|
| - Token validateModifiersForField(Modifiers modifiers) {
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_CLASS_MEMBER, []);
|
| - }
|
| - if (modifiers.externalKeyword != null) {
|
| - reportError5(ParserErrorCode.EXTERNAL_FIELD, modifiers.externalKeyword, []);
|
| - }
|
| - if (modifiers.factoryKeyword != null) {
|
| - reportError5(ParserErrorCode.NON_CONSTRUCTOR_FACTORY, modifiers.factoryKeyword, []);
|
| - }
|
| - Token staticKeyword3 = modifiers.staticKeyword;
|
| - Token constKeyword5 = modifiers.constKeyword;
|
| - Token finalKeyword3 = modifiers.finalKeyword;
|
| - Token varKeyword3 = modifiers.varKeyword;
|
| - if (constKeyword5 != null) {
|
| - if (finalKeyword3 != null) {
|
| - reportError5(ParserErrorCode.CONST_AND_FINAL, finalKeyword3, []);
|
| - }
|
| - if (varKeyword3 != null) {
|
| - reportError5(ParserErrorCode.CONST_AND_VAR, varKeyword3, []);
|
| - }
|
| - if (staticKeyword3 != null && constKeyword5.offset < staticKeyword3.offset) {
|
| - reportError5(ParserErrorCode.STATIC_AFTER_CONST, staticKeyword3, []);
|
| - }
|
| - } else if (finalKeyword3 != null) {
|
| - if (varKeyword3 != null) {
|
| - reportError5(ParserErrorCode.FINAL_AND_VAR, varKeyword3, []);
|
| - }
|
| - if (staticKeyword3 != null && finalKeyword3.offset < staticKeyword3.offset) {
|
| - reportError5(ParserErrorCode.STATIC_AFTER_FINAL, staticKeyword3, []);
|
| - }
|
| - } else if (varKeyword3 != null && staticKeyword3 != null && varKeyword3.offset < staticKeyword3.offset) {
|
| - reportError5(ParserErrorCode.STATIC_AFTER_VAR, staticKeyword3, []);
|
| - }
|
| - return lexicallyFirst([constKeyword5, finalKeyword3, varKeyword3]);
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a getter, setter, or method.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - void validateModifiersForGetterOrSetterOrMethod(Modifiers modifiers) {
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_CLASS_MEMBER, []);
|
| - }
|
| - if (modifiers.constKeyword != null) {
|
| - reportError5(ParserErrorCode.CONST_METHOD, modifiers.constKeyword, []);
|
| - }
|
| - if (modifiers.factoryKeyword != null) {
|
| - reportError5(ParserErrorCode.NON_CONSTRUCTOR_FACTORY, modifiers.factoryKeyword, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_METHOD, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.VAR_RETURN_TYPE, modifiers.varKeyword, []);
|
| - }
|
| - Token externalKeyword7 = modifiers.externalKeyword;
|
| - Token staticKeyword4 = modifiers.staticKeyword;
|
| - if (externalKeyword7 != null && staticKeyword4 != null && staticKeyword4.offset < externalKeyword7.offset) {
|
| - reportError5(ParserErrorCode.EXTERNAL_AFTER_STATIC, externalKeyword7, []);
|
| - }
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a getter, setter, or method.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - void validateModifiersForOperator(Modifiers modifiers) {
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_CLASS_MEMBER, []);
|
| - }
|
| - if (modifiers.constKeyword != null) {
|
| - reportError5(ParserErrorCode.CONST_METHOD, modifiers.constKeyword, []);
|
| - }
|
| - if (modifiers.factoryKeyword != null) {
|
| - reportError5(ParserErrorCode.NON_CONSTRUCTOR_FACTORY, modifiers.factoryKeyword, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_METHOD, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.staticKeyword != null) {
|
| - reportError5(ParserErrorCode.STATIC_OPERATOR, modifiers.staticKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.VAR_RETURN_TYPE, modifiers.varKeyword, []);
|
| - }
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a top-level declaration.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - void validateModifiersForTopLevelDeclaration(Modifiers modifiers) {
|
| - if (modifiers.factoryKeyword != null) {
|
| - reportError5(ParserErrorCode.FACTORY_TOP_LEVEL_DECLARATION, modifiers.factoryKeyword, []);
|
| - }
|
| - if (modifiers.staticKeyword != null) {
|
| - reportError5(ParserErrorCode.STATIC_TOP_LEVEL_DECLARATION, modifiers.staticKeyword, []);
|
| - }
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a top-level function.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - void validateModifiersForTopLevelFunction(Modifiers modifiers) {
|
| - validateModifiersForTopLevelDeclaration(modifiers);
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_TOP_LEVEL_FUNCTION, []);
|
| - }
|
| - if (modifiers.constKeyword != null) {
|
| - reportError5(ParserErrorCode.CONST_CLASS, modifiers.constKeyword, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_CLASS, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.VAR_RETURN_TYPE, modifiers.varKeyword, []);
|
| - }
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a field and return the 'final',
|
| - * 'const' or 'var' keyword if there is one.
|
| - * @param modifiers the modifiers being validated
|
| - * @return the 'final', 'const' or 'var' keyword associated with the field
|
| - */
|
| - Token validateModifiersForTopLevelVariable(Modifiers modifiers) {
|
| - validateModifiersForTopLevelDeclaration(modifiers);
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError4(ParserErrorCode.ABSTRACT_TOP_LEVEL_VARIABLE, []);
|
| - }
|
| - if (modifiers.externalKeyword != null) {
|
| - reportError5(ParserErrorCode.EXTERNAL_FIELD, modifiers.externalKeyword, []);
|
| - }
|
| - Token constKeyword6 = modifiers.constKeyword;
|
| - Token finalKeyword4 = modifiers.finalKeyword;
|
| - Token varKeyword4 = modifiers.varKeyword;
|
| - if (constKeyword6 != null) {
|
| - if (finalKeyword4 != null) {
|
| - reportError5(ParserErrorCode.CONST_AND_FINAL, finalKeyword4, []);
|
| - }
|
| - if (varKeyword4 != null) {
|
| - reportError5(ParserErrorCode.CONST_AND_VAR, varKeyword4, []);
|
| - }
|
| - } else if (finalKeyword4 != null) {
|
| - if (varKeyword4 != null) {
|
| - reportError5(ParserErrorCode.FINAL_AND_VAR, varKeyword4, []);
|
| - }
|
| - }
|
| - return lexicallyFirst([constKeyword6, finalKeyword4, varKeyword4]);
|
| - }
|
| - /**
|
| - * Validate that the given set of modifiers is appropriate for a class and return the 'abstract'
|
| - * keyword if there is one.
|
| - * @param modifiers the modifiers being validated
|
| - */
|
| - void validateModifiersForTypedef(Modifiers modifiers) {
|
| - validateModifiersForTopLevelDeclaration(modifiers);
|
| - if (modifiers.abstractKeyword != null) {
|
| - reportError5(ParserErrorCode.ABSTRACT_TYPEDEF, modifiers.abstractKeyword, []);
|
| - }
|
| - if (modifiers.constKeyword != null) {
|
| - reportError5(ParserErrorCode.CONST_TYPEDEF, modifiers.constKeyword, []);
|
| - }
|
| - if (modifiers.externalKeyword != null) {
|
| - reportError5(ParserErrorCode.EXTERNAL_TYPEDEF, modifiers.externalKeyword, []);
|
| - }
|
| - if (modifiers.finalKeyword != null) {
|
| - reportError5(ParserErrorCode.FINAL_TYPEDEF, modifiers.finalKeyword, []);
|
| - }
|
| - if (modifiers.varKeyword != null) {
|
| - reportError5(ParserErrorCode.VAR_TYPEDEF, modifiers.varKeyword, []);
|
| - }
|
| - }
|
| -}
|
| -class AnalysisErrorListener_7 implements AnalysisErrorListener {
|
| - List<bool> errorFound;
|
| - AnalysisErrorListener_7(this.errorFound);
|
| - void onError(AnalysisError error) {
|
| - errorFound[0] = true;
|
| - }
|
| -}
|
| -/**
|
| - * The enumeration {@code ParserErrorCode} defines the error codes used for errors detected by the
|
| - * parser. The convention for this class is for the name of the error code to indicate the problem
|
| - * that caused the error to be generated and for the error message to explain what is wrong and,
|
| - * when appropriate, how the problem can be corrected.
|
| - * @coverage dart.engine.parser
|
| - */
|
| -class ParserErrorCode implements ErrorCode {
|
| - static final ParserErrorCode ABSTRACT_CLASS_MEMBER = new ParserErrorCode.con2('ABSTRACT_CLASS_MEMBER', 0, "Members of classes cannot be declared to be 'abstract'");
|
| - static final ParserErrorCode ABSTRACT_STATIC_METHOD = new ParserErrorCode.con2('ABSTRACT_STATIC_METHOD', 1, "Static methods cannot be declared to be 'abstract'");
|
| - static final ParserErrorCode ABSTRACT_TOP_LEVEL_FUNCTION = new ParserErrorCode.con2('ABSTRACT_TOP_LEVEL_FUNCTION', 2, "Top-level functions cannot be declared to be 'abstract'");
|
| - static final ParserErrorCode ABSTRACT_TOP_LEVEL_VARIABLE = new ParserErrorCode.con2('ABSTRACT_TOP_LEVEL_VARIABLE', 3, "Top-level variables cannot be declared to be 'abstract'");
|
| - static final ParserErrorCode ABSTRACT_TYPEDEF = new ParserErrorCode.con2('ABSTRACT_TYPEDEF', 4, "Type aliases cannot be declared to be 'abstract'");
|
| - static final ParserErrorCode BREAK_OUTSIDE_OF_LOOP = new ParserErrorCode.con2('BREAK_OUTSIDE_OF_LOOP', 5, "A break statement cannot be used outside of a loop or switch statement");
|
| - static final ParserErrorCode CONST_AND_FINAL = new ParserErrorCode.con2('CONST_AND_FINAL', 6, "Members cannot be declared to be both 'const' and 'final'");
|
| - static final ParserErrorCode CONST_AND_VAR = new ParserErrorCode.con2('CONST_AND_VAR', 7, "Members cannot be declared to be both 'const' and 'var'");
|
| - static final ParserErrorCode CONST_CLASS = new ParserErrorCode.con2('CONST_CLASS', 8, "Classes cannot be declared to be 'const'");
|
| - static final ParserErrorCode CONST_METHOD = new ParserErrorCode.con2('CONST_METHOD', 9, "Getters, setters and methods cannot be declared to be 'const'");
|
| - static final ParserErrorCode CONST_TYPEDEF = new ParserErrorCode.con2('CONST_TYPEDEF', 10, "Type aliases cannot be declared to be 'const'");
|
| - static final ParserErrorCode CONSTRUCTOR_WITH_RETURN_TYPE = new ParserErrorCode.con2('CONSTRUCTOR_WITH_RETURN_TYPE', 11, "Constructors cannot have a return type");
|
| - static final ParserErrorCode CONTINUE_OUTSIDE_OF_LOOP = new ParserErrorCode.con2('CONTINUE_OUTSIDE_OF_LOOP', 12, "A continue statement cannot be used outside of a loop or switch statement");
|
| - static final ParserErrorCode CONTINUE_WITHOUT_LABEL_IN_CASE = new ParserErrorCode.con2('CONTINUE_WITHOUT_LABEL_IN_CASE', 13, "A continue statement in a switch statement must have a label as a target");
|
| - static final ParserErrorCode DIRECTIVE_AFTER_DECLARATION = new ParserErrorCode.con2('DIRECTIVE_AFTER_DECLARATION', 14, "Directives must appear before any declarations");
|
| - static final ParserErrorCode DUPLICATE_LABEL_IN_SWITCH_STATEMENT = new ParserErrorCode.con2('DUPLICATE_LABEL_IN_SWITCH_STATEMENT', 15, "The label %s was already used in this switch statement");
|
| - static final ParserErrorCode DUPLICATED_MODIFIER = new ParserErrorCode.con2('DUPLICATED_MODIFIER', 16, "The modifier '%s' was already specified.");
|
| - static final ParserErrorCode EXPECTED_CASE_OR_DEFAULT = new ParserErrorCode.con2('EXPECTED_CASE_OR_DEFAULT', 17, "Expected 'case' or 'default'");
|
| - static final ParserErrorCode EXPECTED_LIST_OR_MAP_LITERAL = new ParserErrorCode.con2('EXPECTED_LIST_OR_MAP_LITERAL', 18, "Expected a list or map literal");
|
| - static final ParserErrorCode EXPECTED_STRING_LITERAL = new ParserErrorCode.con2('EXPECTED_STRING_LITERAL', 19, "Expected a string literal");
|
| - static final ParserErrorCode EXPECTED_TOKEN = new ParserErrorCode.con2('EXPECTED_TOKEN', 20, "Expected to find: %s");
|
| - static final ParserErrorCode EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = new ParserErrorCode.con2('EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 21, "Export directives must preceed part directives");
|
| - static final ParserErrorCode EXTERNAL_AFTER_CONST = new ParserErrorCode.con2('EXTERNAL_AFTER_CONST', 22, "The modifier 'external' should be before the modifier 'const'");
|
| - static final ParserErrorCode EXTERNAL_AFTER_FACTORY = new ParserErrorCode.con2('EXTERNAL_AFTER_FACTORY', 23, "The modifier 'external' should be before the modifier 'factory'");
|
| - static final ParserErrorCode EXTERNAL_AFTER_STATIC = new ParserErrorCode.con2('EXTERNAL_AFTER_STATIC', 24, "The modifier 'external' should be before the modifier 'static'");
|
| - static final ParserErrorCode EXTERNAL_CLASS = new ParserErrorCode.con2('EXTERNAL_CLASS', 25, "Classes cannot be declared to be 'external'");
|
| - static final ParserErrorCode EXTERNAL_CONSTRUCTOR_WITH_BODY = new ParserErrorCode.con2('EXTERNAL_CONSTRUCTOR_WITH_BODY', 26, "External constructors cannot have a body");
|
| - static final ParserErrorCode EXTERNAL_FIELD = new ParserErrorCode.con2('EXTERNAL_FIELD', 27, "Fields cannot be declared to be 'external'");
|
| - static final ParserErrorCode EXTERNAL_GETTER_WITH_BODY = new ParserErrorCode.con2('EXTERNAL_GETTER_WITH_BODY', 28, "External getters cannot have a body");
|
| - static final ParserErrorCode EXTERNAL_METHOD_WITH_BODY = new ParserErrorCode.con2('EXTERNAL_METHOD_WITH_BODY', 29, "External methods cannot have a body");
|
| - static final ParserErrorCode EXTERNAL_OPERATOR_WITH_BODY = new ParserErrorCode.con2('EXTERNAL_OPERATOR_WITH_BODY', 30, "External operators cannot have a body");
|
| - static final ParserErrorCode EXTERNAL_SETTER_WITH_BODY = new ParserErrorCode.con2('EXTERNAL_SETTER_WITH_BODY', 31, "External setters cannot have a body");
|
| - static final ParserErrorCode EXTERNAL_TYPEDEF = new ParserErrorCode.con2('EXTERNAL_TYPEDEF', 32, "Type aliases cannot be declared to be 'external'");
|
| - static final ParserErrorCode FACTORY_TOP_LEVEL_DECLARATION = new ParserErrorCode.con2('FACTORY_TOP_LEVEL_DECLARATION', 33, "Top-level declarations cannot be declared to be 'factory'");
|
| - static final ParserErrorCode FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR = new ParserErrorCode.con2('FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR', 34, "Field initializers can only be used in a constructor");
|
| - static final ParserErrorCode FINAL_AND_VAR = new ParserErrorCode.con2('FINAL_AND_VAR', 35, "Members cannot be declared to be both 'final' and 'var'");
|
| - static final ParserErrorCode FINAL_CLASS = new ParserErrorCode.con2('FINAL_CLASS', 36, "Classes cannot be declared to be 'final'");
|
| - static final ParserErrorCode FINAL_CONSTRUCTOR = new ParserErrorCode.con2('FINAL_CONSTRUCTOR', 37, "A constructor cannot be declared to be 'final'");
|
| - static final ParserErrorCode FINAL_METHOD = new ParserErrorCode.con2('FINAL_METHOD', 38, "Getters, setters and methods cannot be declared to be 'final'");
|
| - static final ParserErrorCode FINAL_TYPEDEF = new ParserErrorCode.con2('FINAL_TYPEDEF', 39, "Type aliases cannot be declared to be 'final'");
|
| - static final ParserErrorCode GETTER_WITH_PARAMETERS = new ParserErrorCode.con2('GETTER_WITH_PARAMETERS', 40, "Getter should be declared without a parameter list");
|
| - static final ParserErrorCode ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE = new ParserErrorCode.con2('ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE', 41, "Illegal assignment to non-assignable expression");
|
| - static final ParserErrorCode IMPLEMENTS_BEFORE_EXTENDS = new ParserErrorCode.con2('IMPLEMENTS_BEFORE_EXTENDS', 42, "The extends clause must be before the implements clause");
|
| - static final ParserErrorCode IMPLEMENTS_BEFORE_WITH = new ParserErrorCode.con2('IMPLEMENTS_BEFORE_WITH', 43, "The with clause must be before the implements clause");
|
| - static final ParserErrorCode IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = new ParserErrorCode.con2('IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE', 44, "Import directives must preceed part directives");
|
| - static final ParserErrorCode INITIALIZED_VARIABLE_IN_FOR_EACH = new ParserErrorCode.con2('INITIALIZED_VARIABLE_IN_FOR_EACH', 45, "The loop variable in a for-each loop cannot be initialized");
|
| - static final ParserErrorCode INVALID_CODE_POINT = new ParserErrorCode.con2('INVALID_CODE_POINT', 46, "The escape sequence '%s' is not a valid code point");
|
| - static final ParserErrorCode INVALID_COMMENT_REFERENCE = new ParserErrorCode.con2('INVALID_COMMENT_REFERENCE', 47, "Comment references should contain a possibly prefixed identifier and can start with 'new', but should not contain anything else");
|
| - static final ParserErrorCode INVALID_HEX_ESCAPE = new ParserErrorCode.con2('INVALID_HEX_ESCAPE', 48, "An escape sequence starting with '\\x' must be followed by 2 hexidecimal digits");
|
| - static final ParserErrorCode INVALID_OPERATOR_FOR_SUPER = new ParserErrorCode.con2('INVALID_OPERATOR_FOR_SUPER', 49, "The operator '%s' cannot be used with 'super'");
|
| - static final ParserErrorCode INVALID_UNICODE_ESCAPE = new ParserErrorCode.con2('INVALID_UNICODE_ESCAPE', 50, "An escape sequence starting with '\\u' must be followed by 4 hexidecimal digits or from 1 to 6 digits between '{' and '}'");
|
| - static final ParserErrorCode LIBRARY_DIRECTIVE_NOT_FIRST = new ParserErrorCode.con2('LIBRARY_DIRECTIVE_NOT_FIRST', 51, "The library directive must appear before all other directives");
|
| - static final ParserErrorCode MISSING_ASSIGNABLE_SELECTOR = new ParserErrorCode.con2('MISSING_ASSIGNABLE_SELECTOR', 52, "Missing selector such as \".<identifier>\" or \"[0]\"");
|
| - static final ParserErrorCode MISSING_CATCH_OR_FINALLY = new ParserErrorCode.con2('MISSING_CATCH_OR_FINALLY', 53, "A try statement must have either a catch or finally clause");
|
| - static final ParserErrorCode MISSING_CLASS_BODY = new ParserErrorCode.con2('MISSING_CLASS_BODY', 54, "A class definition must have a body, even if it is empty");
|
| - static final ParserErrorCode MISSING_CONST_FINAL_VAR_OR_TYPE = new ParserErrorCode.con2('MISSING_CONST_FINAL_VAR_OR_TYPE', 55, "Variables must be declared using the keywords 'const', 'final', 'var' or a type name");
|
| - static final ParserErrorCode MISSING_FUNCTION_BODY = new ParserErrorCode.con2('MISSING_FUNCTION_BODY', 56, "A function body must be provided");
|
| - static final ParserErrorCode MISSING_FUNCTION_PARAMETERS = new ParserErrorCode.con2('MISSING_FUNCTION_PARAMETERS', 57, "Functions must have an explicit list of parameters");
|
| - static final ParserErrorCode MISSING_IDENTIFIER = new ParserErrorCode.con2('MISSING_IDENTIFIER', 58, "Expected an identifier");
|
| - static final ParserErrorCode MISSING_NAME_IN_LIBRARY_DIRECTIVE = new ParserErrorCode.con2('MISSING_NAME_IN_LIBRARY_DIRECTIVE', 59, "Library directives must include a library name");
|
| - static final ParserErrorCode MISSING_NAME_IN_PART_OF_DIRECTIVE = new ParserErrorCode.con2('MISSING_NAME_IN_PART_OF_DIRECTIVE', 60, "Library directives must include a library name");
|
| - static final ParserErrorCode MISSING_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con2('MISSING_TERMINATOR_FOR_PARAMETER_GROUP', 61, "There is no '%s' to close the parameter group");
|
| - static final ParserErrorCode MISSING_TYPEDEF_PARAMETERS = new ParserErrorCode.con2('MISSING_TYPEDEF_PARAMETERS', 62, "Type aliases for functions must have an explicit list of parameters");
|
| - static final ParserErrorCode MISSING_VARIABLE_IN_FOR_EACH = new ParserErrorCode.con2('MISSING_VARIABLE_IN_FOR_EACH', 63, "A loop variable must be declared in a for-each loop before the 'in', but none were found");
|
| - static final ParserErrorCode MIXED_PARAMETER_GROUPS = new ParserErrorCode.con2('MIXED_PARAMETER_GROUPS', 64, "Cannot have both positional and named parameters in a single parameter list");
|
| - static final ParserErrorCode MULTIPLE_EXTENDS_CLAUSES = new ParserErrorCode.con2('MULTIPLE_EXTENDS_CLAUSES', 65, "Each class definition can have at most one extends clause");
|
| - static final ParserErrorCode MULTIPLE_IMPLEMENTS_CLAUSES = new ParserErrorCode.con2('MULTIPLE_IMPLEMENTS_CLAUSES', 66, "Each class definition can have at most one implements clause");
|
| - static final ParserErrorCode MULTIPLE_LIBRARY_DIRECTIVES = new ParserErrorCode.con2('MULTIPLE_LIBRARY_DIRECTIVES', 67, "Only one library directive may be declared in a file");
|
| - static final ParserErrorCode MULTIPLE_NAMED_PARAMETER_GROUPS = new ParserErrorCode.con2('MULTIPLE_NAMED_PARAMETER_GROUPS', 68, "Cannot have multiple groups of named parameters in a single parameter list");
|
| - static final ParserErrorCode MULTIPLE_PART_OF_DIRECTIVES = new ParserErrorCode.con2('MULTIPLE_PART_OF_DIRECTIVES', 69, "Only one part-of directive may be declared in a file");
|
| - static final ParserErrorCode MULTIPLE_POSITIONAL_PARAMETER_GROUPS = new ParserErrorCode.con2('MULTIPLE_POSITIONAL_PARAMETER_GROUPS', 70, "Cannot have multiple groups of positional parameters in a single parameter list");
|
| - static final ParserErrorCode MULTIPLE_VARIABLES_IN_FOR_EACH = new ParserErrorCode.con2('MULTIPLE_VARIABLES_IN_FOR_EACH', 71, "A single loop variable must be declared in a for-each loop before the 'in', but %s were found");
|
| - static final ParserErrorCode MULTIPLE_WITH_CLAUSES = new ParserErrorCode.con2('MULTIPLE_WITH_CLAUSES', 72, "Each class definition can have at most one with clause");
|
| - static final ParserErrorCode NAMED_PARAMETER_OUTSIDE_GROUP = new ParserErrorCode.con2('NAMED_PARAMETER_OUTSIDE_GROUP', 73, "Named parameters must be enclosed in curly braces ('{' and '}')");
|
| - static final ParserErrorCode NON_CONSTRUCTOR_FACTORY = new ParserErrorCode.con2('NON_CONSTRUCTOR_FACTORY', 74, "Only constructors can be declared to be a 'factory'");
|
| - static final ParserErrorCode NON_IDENTIFIER_LIBRARY_NAME = new ParserErrorCode.con2('NON_IDENTIFIER_LIBRARY_NAME', 75, "The name of a library must be an identifier");
|
| - static final ParserErrorCode NON_PART_OF_DIRECTIVE_IN_PART = new ParserErrorCode.con2('NON_PART_OF_DIRECTIVE_IN_PART', 76, "The part-of directive must be the only directive in a part");
|
| - static final ParserErrorCode NON_USER_DEFINABLE_OPERATOR = new ParserErrorCode.con2('NON_USER_DEFINABLE_OPERATOR', 77, "The operator '%s' is not user definable");
|
| - static final ParserErrorCode POSITIONAL_AFTER_NAMED_ARGUMENT = new ParserErrorCode.con2('POSITIONAL_AFTER_NAMED_ARGUMENT', 78, "Positional arguments must occur before named arguments");
|
| - static final ParserErrorCode POSITIONAL_PARAMETER_OUTSIDE_GROUP = new ParserErrorCode.con2('POSITIONAL_PARAMETER_OUTSIDE_GROUP', 79, "Positional parameters must be enclosed in square brackets ('[' and ']')");
|
| - static final ParserErrorCode STATIC_AFTER_CONST = new ParserErrorCode.con2('STATIC_AFTER_CONST', 80, "The modifier 'static' should be before the modifier 'const'");
|
| - static final ParserErrorCode STATIC_AFTER_FINAL = new ParserErrorCode.con2('STATIC_AFTER_FINAL', 81, "The modifier 'static' should be before the modifier 'final'");
|
| - static final ParserErrorCode STATIC_AFTER_VAR = new ParserErrorCode.con2('STATIC_AFTER_VAR', 82, "The modifier 'static' should be before the modifier 'var'");
|
| - static final ParserErrorCode STATIC_CONSTRUCTOR = new ParserErrorCode.con2('STATIC_CONSTRUCTOR', 83, "Constructors cannot be static");
|
| - static final ParserErrorCode STATIC_OPERATOR = new ParserErrorCode.con2('STATIC_OPERATOR', 84, "Operators cannot be static");
|
| - static final ParserErrorCode STATIC_TOP_LEVEL_DECLARATION = new ParserErrorCode.con2('STATIC_TOP_LEVEL_DECLARATION', 85, "Top-level declarations cannot be declared to be 'static'");
|
| - static final ParserErrorCode UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con2('UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP', 86, "There is no '%s' to open a parameter group");
|
| - static final ParserErrorCode UNEXPECTED_TOKEN = new ParserErrorCode.con2('UNEXPECTED_TOKEN', 87, "Unexpected token '%s'");
|
| - static final ParserErrorCode USE_OF_UNARY_PLUS_OPERATOR = new ParserErrorCode.con2('USE_OF_UNARY_PLUS_OPERATOR', 88, "There is no unary plus operator in Dart");
|
| - static final ParserErrorCode WITH_BEFORE_EXTENDS = new ParserErrorCode.con2('WITH_BEFORE_EXTENDS', 89, "The extends clause must be before the with clause");
|
| - static final ParserErrorCode WITH_WITHOUT_EXTENDS = new ParserErrorCode.con2('WITH_WITHOUT_EXTENDS', 90, "The with clause cannot be used without an extends clause");
|
| - static final ParserErrorCode WRONG_SEPARATOR_FOR_NAMED_PARAMETER = new ParserErrorCode.con2('WRONG_SEPARATOR_FOR_NAMED_PARAMETER', 91, "The default value of a named parameter should be preceeded by ':'");
|
| - static final ParserErrorCode WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER = new ParserErrorCode.con2('WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER', 92, "The default value of a positional parameter should be preceeded by '='");
|
| - static final ParserErrorCode WRONG_TERMINATOR_FOR_PARAMETER_GROUP = new ParserErrorCode.con2('WRONG_TERMINATOR_FOR_PARAMETER_GROUP', 93, "Expected '%s' to close parameter group");
|
| - static final ParserErrorCode VAR_CLASS = new ParserErrorCode.con2('VAR_CLASS', 94, "Classes cannot be declared to be 'var'");
|
| - static final ParserErrorCode VAR_RETURN_TYPE = new ParserErrorCode.con2('VAR_RETURN_TYPE', 95, "The return type cannot be 'var'");
|
| - static final ParserErrorCode VAR_TYPEDEF = new ParserErrorCode.con2('VAR_TYPEDEF', 96, "Type aliases cannot be declared to be 'var'");
|
| - static final ParserErrorCode VOID_PARAMETER = new ParserErrorCode.con2('VOID_PARAMETER', 97, "Parameters cannot have a type of 'void'");
|
| - static final ParserErrorCode VOID_VARIABLE = new ParserErrorCode.con2('VOID_VARIABLE', 98, "Variables cannot have a type of 'void'");
|
| - static final List<ParserErrorCode> values = [ABSTRACT_CLASS_MEMBER, ABSTRACT_STATIC_METHOD, ABSTRACT_TOP_LEVEL_FUNCTION, ABSTRACT_TOP_LEVEL_VARIABLE, ABSTRACT_TYPEDEF, BREAK_OUTSIDE_OF_LOOP, CONST_AND_FINAL, CONST_AND_VAR, CONST_CLASS, CONST_METHOD, CONST_TYPEDEF, CONSTRUCTOR_WITH_RETURN_TYPE, CONTINUE_OUTSIDE_OF_LOOP, CONTINUE_WITHOUT_LABEL_IN_CASE, DIRECTIVE_AFTER_DECLARATION, DUPLICATE_LABEL_IN_SWITCH_STATEMENT, DUPLICATED_MODIFIER, EXPECTED_CASE_OR_DEFAULT, EXPECTED_LIST_OR_MAP_LITERAL, EXPECTED_STRING_LITERAL, EXPECTED_TOKEN, EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE, EXTERNAL_AFTER_CONST, EXTERNAL_AFTER_FACTORY, EXTERNAL_AFTER_STATIC, EXTERNAL_CLASS, EXTERNAL_CONSTRUCTOR_WITH_BODY, EXTERNAL_FIELD, EXTERNAL_GETTER_WITH_BODY, EXTERNAL_METHOD_WITH_BODY, EXTERNAL_OPERATOR_WITH_BODY, EXTERNAL_SETTER_WITH_BODY, EXTERNAL_TYPEDEF, FACTORY_TOP_LEVEL_DECLARATION, FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR, FINAL_AND_VAR, FINAL_CLASS, FINAL_CONSTRUCTOR, FINAL_METHOD, FINAL_TYPEDEF, GETTER_WITH_PARAMETERS, ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE, IMPLEMENTS_BEFORE_EXTENDS, IMPLEMENTS_BEFORE_WITH, IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE, INITIALIZED_VARIABLE_IN_FOR_EACH, INVALID_CODE_POINT, INVALID_COMMENT_REFERENCE, INVALID_HEX_ESCAPE, INVALID_OPERATOR_FOR_SUPER, INVALID_UNICODE_ESCAPE, LIBRARY_DIRECTIVE_NOT_FIRST, MISSING_ASSIGNABLE_SELECTOR, MISSING_CATCH_OR_FINALLY, MISSING_CLASS_BODY, MISSING_CONST_FINAL_VAR_OR_TYPE, MISSING_FUNCTION_BODY, MISSING_FUNCTION_PARAMETERS, MISSING_IDENTIFIER, MISSING_NAME_IN_LIBRARY_DIRECTIVE, MISSING_NAME_IN_PART_OF_DIRECTIVE, MISSING_TERMINATOR_FOR_PARAMETER_GROUP, MISSING_TYPEDEF_PARAMETERS, MISSING_VARIABLE_IN_FOR_EACH, MIXED_PARAMETER_GROUPS, MULTIPLE_EXTENDS_CLAUSES, MULTIPLE_IMPLEMENTS_CLAUSES, MULTIPLE_LIBRARY_DIRECTIVES, MULTIPLE_NAMED_PARAMETER_GROUPS, MULTIPLE_PART_OF_DIRECTIVES, MULTIPLE_POSITIONAL_PARAMETER_GROUPS, MULTIPLE_VARIABLES_IN_FOR_EACH, MULTIPLE_WITH_CLAUSES, NAMED_PARAMETER_OUTSIDE_GROUP, NON_CONSTRUCTOR_FACTORY, NON_IDENTIFIER_LIBRARY_NAME, NON_PART_OF_DIRECTIVE_IN_PART, NON_USER_DEFINABLE_OPERATOR, POSITIONAL_AFTER_NAMED_ARGUMENT, POSITIONAL_PARAMETER_OUTSIDE_GROUP, STATIC_AFTER_CONST, STATIC_AFTER_FINAL, STATIC_AFTER_VAR, STATIC_CONSTRUCTOR, STATIC_OPERATOR, STATIC_TOP_LEVEL_DECLARATION, UNEXPECTED_TERMINATOR_FOR_PARAMETER_GROUP, UNEXPECTED_TOKEN, USE_OF_UNARY_PLUS_OPERATOR, WITH_BEFORE_EXTENDS, WITH_WITHOUT_EXTENDS, WRONG_SEPARATOR_FOR_NAMED_PARAMETER, WRONG_SEPARATOR_FOR_POSITIONAL_PARAMETER, WRONG_TERMINATOR_FOR_PARAMETER_GROUP, VAR_CLASS, VAR_RETURN_TYPE, VAR_TYPEDEF, VOID_PARAMETER, VOID_VARIABLE];
|
| - String __name;
|
| - int __ordinal = 0;
|
| - int get ordinal => __ordinal;
|
| - /**
|
| - * The severity of this error.
|
| - */
|
| - ErrorSeverity _severity;
|
| - /**
|
| - * The message template used to create the message to be displayed for this error.
|
| - */
|
| - String _message;
|
| - /**
|
| - * Initialize a newly created error code to have the given severity and message.
|
| - * @param severity the severity of the error
|
| - * @param message the message template used to create the message to be displayed for the error
|
| - */
|
| - ParserErrorCode.con1(String ___name, int ___ordinal, ErrorSeverity severity2, String message2) {
|
| - _jtd_constructor_258_impl(___name, ___ordinal, severity2, message2);
|
| - }
|
| - _jtd_constructor_258_impl(String ___name, int ___ordinal, ErrorSeverity severity2, String message2) {
|
| - __name = ___name;
|
| - __ordinal = ___ordinal;
|
| - this._severity = severity2;
|
| - this._message = message2;
|
| - }
|
| - /**
|
| - * Initialize a newly created error code to have the given message and a severity of ERROR.
|
| - * @param message the message template used to create the message to be displayed for the error
|
| - */
|
| - ParserErrorCode.con2(String ___name, int ___ordinal, String message) {
|
| - _jtd_constructor_259_impl(___name, ___ordinal, message);
|
| - }
|
| - _jtd_constructor_259_impl(String ___name, int ___ordinal, String message) {
|
| - _jtd_constructor_258_impl(___name, ___ordinal, ErrorSeverity.ERROR, message);
|
| - }
|
| - ErrorSeverity get errorSeverity => _severity;
|
| - String get message => _message;
|
| - ErrorType get type => ErrorType.SYNTACTIC_ERROR;
|
| - bool needsRecompilation() => true;
|
| - String toString() => __name;
|
| -}
|
| -/**
|
| - * Instances of the class {link ToFormattedSourceVisitor} write a source representation of a visited
|
| - * AST node (and all of it's children) to a writer.
|
| - */
|
| -class ToFormattedSourceVisitor implements ASTVisitor<Object> {
|
| - /**
|
| - * The writer to which the source is to be written.
|
| - */
|
| - PrintWriter _writer;
|
| - int _indentLevel = 0;
|
| - String _indentString = "";
|
| - /**
|
| - * Initialize a newly created visitor to write source code representing the visited nodes to the
|
| - * given writer.
|
| - * @param writer the writer to which the source is to be written
|
| - */
|
| - ToFormattedSourceVisitor(PrintWriter writer) {
|
| - this._writer = writer;
|
| - }
|
| - Object visitAdjacentStrings(AdjacentStrings node) {
|
| - visitList5(node.strings, " ");
|
| - return null;
|
| - }
|
| - Object visitAnnotation(Annotation node) {
|
| - _writer.print('@');
|
| - visit(node.name);
|
| - visit7(".", node.constructorName);
|
| - visit(node.arguments);
|
| - return null;
|
| - }
|
| - Object visitArgumentDefinitionTest(ArgumentDefinitionTest node) {
|
| - _writer.print('?');
|
| - visit(node.identifier);
|
| - return null;
|
| - }
|
| - Object visitArgumentList(ArgumentList node) {
|
| - _writer.print('(');
|
| - visitList5(node.arguments, ", ");
|
| - _writer.print(')');
|
| - return null;
|
| - }
|
| - Object visitAsExpression(AsExpression node) {
|
| - visit(node.expression);
|
| - _writer.print(" as ");
|
| - visit(node.type);
|
| - return null;
|
| - }
|
| - Object visitAssertStatement(AssertStatement node) {
|
| - _writer.print("assert(");
|
| - visit(node.condition);
|
| - _writer.print(");");
|
| - return null;
|
| - }
|
| - Object visitAssignmentExpression(AssignmentExpression node) {
|
| - visit(node.leftHandSide);
|
| - _writer.print(' ');
|
| - _writer.print(node.operator.lexeme);
|
| - _writer.print(' ');
|
| - visit(node.rightHandSide);
|
| - return null;
|
| - }
|
| - Object visitBinaryExpression(BinaryExpression node) {
|
| - visit(node.leftOperand);
|
| - _writer.print(' ');
|
| - _writer.print(node.operator.lexeme);
|
| - _writer.print(' ');
|
| - visit(node.rightOperand);
|
| - return null;
|
| - }
|
| - Object visitBlock(Block node) {
|
| - _writer.print('{');
|
| - {
|
| - indentInc();
|
| - visitList5(node.statements, "\n");
|
| - indentDec();
|
| - }
|
| - nl2();
|
| - _writer.print('}');
|
| - return null;
|
| - }
|
| - Object visitBlockFunctionBody(BlockFunctionBody node) {
|
| - visit(node.block);
|
| - return null;
|
| - }
|
| - Object visitBooleanLiteral(BooleanLiteral node) {
|
| - _writer.print(node.literal.lexeme);
|
| - return null;
|
| - }
|
| - Object visitBreakStatement(BreakStatement node) {
|
| - _writer.print("break");
|
| - visit7(" ", node.label);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitCascadeExpression(CascadeExpression node) {
|
| - visit(node.target);
|
| - visitList(node.cascadeSections);
|
| - return null;
|
| - }
|
| - Object visitCatchClause(CatchClause node) {
|
| - visit7("on ", node.exceptionType);
|
| - if (node.catchKeyword != null) {
|
| - if (node.exceptionType != null) {
|
| - _writer.print(' ');
|
| - }
|
| - _writer.print("catch (");
|
| - visit(node.exceptionParameter);
|
| - visit7(", ", node.stackTraceParameter);
|
| - _writer.print(") ");
|
| - } else {
|
| - _writer.print(" ");
|
| - }
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitClassDeclaration(ClassDeclaration node) {
|
| - visit(node.documentationComment);
|
| - visit8(node.abstractKeyword, " ");
|
| - _writer.print("class ");
|
| - visit(node.name);
|
| - visit(node.typeParameters);
|
| - visit7(" ", node.extendsClause);
|
| - visit7(" ", node.withClause);
|
| - visit7(" ", node.implementsClause);
|
| - _writer.print(" {");
|
| - {
|
| - indentInc();
|
| - visitList5(node.members, "\n");
|
| - indentDec();
|
| - }
|
| - nl2();
|
| - _writer.print("}");
|
| - return null;
|
| - }
|
| - Object visitClassTypeAlias(ClassTypeAlias node) {
|
| - _writer.print("typedef ");
|
| - visit(node.name);
|
| - visit(node.typeParameters);
|
| - _writer.print(" = ");
|
| - if (node.abstractKeyword != null) {
|
| - _writer.print("abstract ");
|
| - }
|
| - visit(node.superclass);
|
| - visit7(" ", node.withClause);
|
| - visit7(" ", node.implementsClause);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitComment(Comment node) {
|
| - Token token = node.beginToken;
|
| - while (token != null) {
|
| - bool firstLine = true;
|
| - for (String line in StringUtils.split(token.lexeme, "\n")) {
|
| - if (firstLine) {
|
| - firstLine = false;
|
| - } else {
|
| - line = " ${line.trim()}";
|
| - line = StringUtils.replace(line, "/*", "/ *");
|
| - }
|
| - _writer.print(line);
|
| - nl2();
|
| - }
|
| - if (identical(token, node.endToken)) {
|
| - break;
|
| - }
|
| - }
|
| - return null;
|
| - }
|
| - Object visitCommentReference(CommentReference node) => null;
|
| - Object visitCompilationUnit(CompilationUnit node) {
|
| - ScriptTag scriptTag7 = node.scriptTag;
|
| - NodeList<Directive> directives4 = node.directives;
|
| - visit(scriptTag7);
|
| - String prefix = scriptTag7 == null ? "" : " ";
|
| - visitList7(prefix, directives4, "\n");
|
| - prefix = scriptTag7 == null && directives4.isEmpty ? "" : "\n\n";
|
| - visitList7(prefix, node.declarations, "\n");
|
| - return null;
|
| - }
|
| - Object visitConditionalExpression(ConditionalExpression node) {
|
| - visit(node.condition);
|
| - _writer.print(" ? ");
|
| - visit(node.thenExpression);
|
| - _writer.print(" : ");
|
| - visit(node.elseExpression);
|
| - return null;
|
| - }
|
| - Object visitConstructorDeclaration(ConstructorDeclaration node) {
|
| - visit(node.documentationComment);
|
| - visit8(node.externalKeyword, " ");
|
| - visit8(node.constKeyword, " ");
|
| - visit8(node.factoryKeyword, " ");
|
| - visit(node.returnType);
|
| - visit7(".", node.name);
|
| - visit(node.parameters);
|
| - visitList7(" : ", node.initializers, ", ");
|
| - visit7(" = ", node.redirectedConstructor);
|
| - if (node.body is! EmptyFunctionBody) {
|
| - _writer.print(' ');
|
| - }
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitConstructorFieldInitializer(ConstructorFieldInitializer node) {
|
| - visit8(node.keyword, ".");
|
| - visit(node.fieldName);
|
| - _writer.print(" = ");
|
| - visit(node.expression);
|
| - return null;
|
| - }
|
| - Object visitConstructorName(ConstructorName node) {
|
| - visit(node.type);
|
| - visit7(".", node.name);
|
| - return null;
|
| - }
|
| - Object visitContinueStatement(ContinueStatement node) {
|
| - _writer.print("continue");
|
| - visit7(" ", node.label);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitDeclaredIdentifier(DeclaredIdentifier node) {
|
| - visit8(node.keyword, " ");
|
| - visit6(node.type, " ");
|
| - visit(node.identifier);
|
| - return null;
|
| - }
|
| - Object visitDefaultFormalParameter(DefaultFormalParameter node) {
|
| - visit(node.parameter);
|
| - if (node.separator != null) {
|
| - _writer.print(" ");
|
| - _writer.print(node.separator.lexeme);
|
| - visit7(" ", node.defaultValue);
|
| - }
|
| - return null;
|
| - }
|
| - Object visitDoStatement(DoStatement node) {
|
| - _writer.print("do ");
|
| - visit(node.body);
|
| - _writer.print(" while (");
|
| - visit(node.condition);
|
| - _writer.print(");");
|
| - return null;
|
| - }
|
| - Object visitDoubleLiteral(DoubleLiteral node) {
|
| - _writer.print(node.literal.lexeme);
|
| - return null;
|
| - }
|
| - Object visitEmptyFunctionBody(EmptyFunctionBody node) {
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitEmptyStatement(EmptyStatement node) {
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitExportDirective(ExportDirective node) {
|
| - _writer.print("export ");
|
| - visit(node.uri);
|
| - visitList7(" ", node.combinators, " ");
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitExpressionFunctionBody(ExpressionFunctionBody node) {
|
| - _writer.print("=> ");
|
| - visit(node.expression);
|
| - if (node.semicolon != null) {
|
| - _writer.print(';');
|
| - }
|
| - return null;
|
| - }
|
| - Object visitExpressionStatement(ExpressionStatement node) {
|
| - visit(node.expression);
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitExtendsClause(ExtendsClause node) {
|
| - _writer.print("extends ");
|
| - visit(node.superclass);
|
| - return null;
|
| - }
|
| - Object visitFieldDeclaration(FieldDeclaration node) {
|
| - visit(node.documentationComment);
|
| - visit8(node.keyword, " ");
|
| - visit(node.fields);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitFieldFormalParameter(FieldFormalParameter node) {
|
| - visit8(node.keyword, " ");
|
| - visit6(node.type, " ");
|
| - _writer.print("this.");
|
| - visit(node.identifier);
|
| - return null;
|
| - }
|
| - Object visitForEachStatement(ForEachStatement node) {
|
| - _writer.print("for (");
|
| - visit(node.loopVariable);
|
| - _writer.print(" in ");
|
| - visit(node.iterator);
|
| - _writer.print(") ");
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitFormalParameterList(FormalParameterList node) {
|
| - String groupEnd = null;
|
| - _writer.print('(');
|
| - NodeList<FormalParameter> parameters13 = node.parameters;
|
| - int size7 = parameters13.length;
|
| - for (int i = 0; i < size7; i++) {
|
| - FormalParameter parameter = parameters13[i];
|
| - if (i > 0) {
|
| - _writer.print(", ");
|
| - }
|
| - if (groupEnd == null && parameter is DefaultFormalParameter) {
|
| - if (identical(parameter.kind, ParameterKind.NAMED)) {
|
| - groupEnd = "}";
|
| - _writer.print('{');
|
| - } else {
|
| - groupEnd = "]";
|
| - _writer.print('[');
|
| - }
|
| - }
|
| - parameter.accept(this);
|
| - }
|
| - if (groupEnd != null) {
|
| - _writer.print(groupEnd);
|
| - }
|
| - _writer.print(')');
|
| - return null;
|
| - }
|
| - Object visitForStatement(ForStatement node) {
|
| - Expression initialization4 = node.initialization;
|
| - _writer.print("for (");
|
| - if (initialization4 != null) {
|
| - visit(initialization4);
|
| - } else {
|
| - visit(node.variables);
|
| - }
|
| - _writer.print(";");
|
| - visit7(" ", node.condition);
|
| - _writer.print(";");
|
| - visitList7(" ", node.updaters, ", ");
|
| - _writer.print(") ");
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitFunctionDeclaration(FunctionDeclaration node) {
|
| - visit6(node.returnType, " ");
|
| - visit8(node.propertyKeyword, " ");
|
| - visit(node.name);
|
| - visit(node.functionExpression);
|
| - return null;
|
| - }
|
| - Object visitFunctionDeclarationStatement(FunctionDeclarationStatement node) {
|
| - visit(node.functionDeclaration);
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitFunctionExpression(FunctionExpression node) {
|
| - visit(node.parameters);
|
| - _writer.print(' ');
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitFunctionExpressionInvocation(FunctionExpressionInvocation node) {
|
| - visit(node.function);
|
| - visit(node.argumentList);
|
| - return null;
|
| - }
|
| - Object visitFunctionTypeAlias(FunctionTypeAlias node) {
|
| - _writer.print("typedef ");
|
| - visit6(node.returnType, " ");
|
| - visit(node.name);
|
| - visit(node.typeParameters);
|
| - visit(node.parameters);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) {
|
| - visit6(node.returnType, " ");
|
| - visit(node.identifier);
|
| - visit(node.parameters);
|
| - return null;
|
| - }
|
| - Object visitHideCombinator(HideCombinator node) {
|
| - _writer.print("hide ");
|
| - visitList5(node.hiddenNames, ", ");
|
| - return null;
|
| - }
|
| - Object visitIfStatement(IfStatement node) {
|
| - _writer.print("if (");
|
| - visit(node.condition);
|
| - _writer.print(") ");
|
| - visit(node.thenStatement);
|
| - visit7(" else ", node.elseStatement);
|
| - return null;
|
| - }
|
| - Object visitImplementsClause(ImplementsClause node) {
|
| - _writer.print("implements ");
|
| - visitList5(node.interfaces, ", ");
|
| - return null;
|
| - }
|
| - Object visitImportDirective(ImportDirective node) {
|
| - _writer.print("import ");
|
| - visit(node.uri);
|
| - visit7(" as ", node.prefix);
|
| - visitList7(" ", node.combinators, " ");
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitIndexExpression(IndexExpression node) {
|
| - if (node.isCascaded()) {
|
| - _writer.print("..");
|
| - } else {
|
| - visit(node.array);
|
| - }
|
| - _writer.print('[');
|
| - visit(node.index);
|
| - _writer.print(']');
|
| - return null;
|
| - }
|
| - Object visitInstanceCreationExpression(InstanceCreationExpression node) {
|
| - visit8(node.keyword, " ");
|
| - visit(node.constructorName);
|
| - visit(node.argumentList);
|
| - return null;
|
| - }
|
| - Object visitIntegerLiteral(IntegerLiteral node) {
|
| - _writer.print(node.literal.lexeme);
|
| - return null;
|
| - }
|
| - Object visitInterpolationExpression(InterpolationExpression node) {
|
| - if (node.rightBracket != null) {
|
| - _writer.print("\${");
|
| - visit(node.expression);
|
| - _writer.print("}");
|
| - } else {
|
| - _writer.print("\$");
|
| - visit(node.expression);
|
| - }
|
| - return null;
|
| - }
|
| - Object visitInterpolationString(InterpolationString node) {
|
| - _writer.print(node.contents.lexeme);
|
| - return null;
|
| - }
|
| - Object visitIsExpression(IsExpression node) {
|
| - visit(node.expression);
|
| - if (node.notOperator == null) {
|
| - _writer.print(" is ");
|
| - } else {
|
| - _writer.print(" is! ");
|
| - }
|
| - visit(node.type);
|
| - return null;
|
| - }
|
| - Object visitLabel(Label node) {
|
| - visit(node.label);
|
| - _writer.print(":");
|
| - return null;
|
| - }
|
| - Object visitLabeledStatement(LabeledStatement node) {
|
| - visitList6(node.labels, " ", " ");
|
| - visit(node.statement);
|
| - return null;
|
| - }
|
| - Object visitLibraryDirective(LibraryDirective node) {
|
| - _writer.print("library ");
|
| - visit(node.name);
|
| - _writer.print(';');
|
| - nl();
|
| - return null;
|
| - }
|
| - Object visitLibraryIdentifier(LibraryIdentifier node) {
|
| - _writer.print(node.name);
|
| - return null;
|
| - }
|
| - Object visitListLiteral(ListLiteral node) {
|
| - if (node.modifier != null) {
|
| - _writer.print(node.modifier.lexeme);
|
| - _writer.print(' ');
|
| - }
|
| - visit6(node.typeArguments, " ");
|
| - _writer.print("[");
|
| - visitList5(node.elements, ", ");
|
| - _writer.print("]");
|
| - return null;
|
| - }
|
| - Object visitMapLiteral(MapLiteral node) {
|
| - if (node.modifier != null) {
|
| - _writer.print(node.modifier.lexeme);
|
| - _writer.print(' ');
|
| - }
|
| - visit6(node.typeArguments, " ");
|
| - _writer.print("{");
|
| - visitList5(node.entries, ", ");
|
| - _writer.print("}");
|
| - return null;
|
| - }
|
| - Object visitMapLiteralEntry(MapLiteralEntry node) {
|
| - visit(node.key);
|
| - _writer.print(" : ");
|
| - visit(node.value);
|
| - return null;
|
| - }
|
| - Object visitMethodDeclaration(MethodDeclaration node) {
|
| - visit(node.documentationComment);
|
| - visit8(node.externalKeyword, " ");
|
| - visit8(node.modifierKeyword, " ");
|
| - visit6(node.returnType, " ");
|
| - visit8(node.propertyKeyword, " ");
|
| - visit8(node.operatorKeyword, " ");
|
| - visit(node.name);
|
| - if (!node.isGetter()) {
|
| - visit(node.parameters);
|
| - }
|
| - if (node.body is! EmptyFunctionBody) {
|
| - _writer.print(' ');
|
| - }
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitMethodInvocation(MethodInvocation node) {
|
| - if (node.isCascaded()) {
|
| - _writer.print("..");
|
| - } else {
|
| - visit6(node.target, ".");
|
| - }
|
| - visit(node.methodName);
|
| - visit(node.argumentList);
|
| - return null;
|
| - }
|
| - Object visitNamedExpression(NamedExpression node) {
|
| - visit(node.name);
|
| - visit7(" ", node.expression);
|
| - return null;
|
| - }
|
| - Object visitNullLiteral(NullLiteral node) {
|
| - _writer.print("null");
|
| - return null;
|
| - }
|
| - Object visitParenthesizedExpression(ParenthesizedExpression node) {
|
| - _writer.print('(');
|
| - visit(node.expression);
|
| - _writer.print(')');
|
| - return null;
|
| - }
|
| - Object visitPartDirective(PartDirective node) {
|
| - _writer.print("part ");
|
| - visit(node.uri);
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitPartOfDirective(PartOfDirective node) {
|
| - _writer.print("part of ");
|
| - visit(node.libraryName);
|
| - _writer.print(';');
|
| - return null;
|
| - }
|
| - Object visitPostfixExpression(PostfixExpression node) {
|
| - visit(node.operand);
|
| - _writer.print(node.operator.lexeme);
|
| - return null;
|
| - }
|
| - Object visitPrefixedIdentifier(PrefixedIdentifier node) {
|
| - visit(node.prefix);
|
| - _writer.print('.');
|
| - visit(node.identifier);
|
| - return null;
|
| - }
|
| - Object visitPrefixExpression(PrefixExpression node) {
|
| - _writer.print(node.operator.lexeme);
|
| - visit(node.operand);
|
| - return null;
|
| - }
|
| - Object visitPropertyAccess(PropertyAccess node) {
|
| - if (node.isCascaded()) {
|
| - _writer.print("..");
|
| - } else {
|
| - visit6(node.target, ".");
|
| - }
|
| - visit(node.propertyName);
|
| - return null;
|
| - }
|
| - Object visitRedirectingConstructorInvocation(RedirectingConstructorInvocation node) {
|
| - _writer.print("this");
|
| - visit7(".", node.constructorName);
|
| - visit(node.argumentList);
|
| - return null;
|
| - }
|
| - Object visitReturnStatement(ReturnStatement node) {
|
| - Expression expression17 = node.expression;
|
| - if (expression17 == null) {
|
| - _writer.print("return;");
|
| - } else {
|
| - _writer.print("return ");
|
| - expression17.accept(this);
|
| - _writer.print(";");
|
| - }
|
| - return null;
|
| - }
|
| - Object visitScriptTag(ScriptTag node) {
|
| - _writer.print(node.scriptTag.lexeme);
|
| - return null;
|
| - }
|
| - Object visitShowCombinator(ShowCombinator node) {
|
| - _writer.print("show ");
|
| - visitList5(node.shownNames, ", ");
|
| - return null;
|
| - }
|
| - Object visitSimpleFormalParameter(SimpleFormalParameter node) {
|
| - visit8(node.keyword, " ");
|
| - visit6(node.type, " ");
|
| - visit(node.identifier);
|
| - return null;
|
| - }
|
| - Object visitSimpleIdentifier(SimpleIdentifier node) {
|
| - _writer.print(node.token.lexeme);
|
| - return null;
|
| - }
|
| - Object visitSimpleStringLiteral(SimpleStringLiteral node) {
|
| - _writer.print(node.literal.lexeme);
|
| - return null;
|
| - }
|
| - Object visitStringInterpolation(StringInterpolation node) {
|
| - visitList(node.elements);
|
| - return null;
|
| - }
|
| - Object visitSuperConstructorInvocation(SuperConstructorInvocation node) {
|
| - _writer.print("super");
|
| - visit7(".", node.constructorName);
|
| - visit(node.argumentList);
|
| - return null;
|
| - }
|
| - Object visitSuperExpression(SuperExpression node) {
|
| - _writer.print("super");
|
| - return null;
|
| - }
|
| - Object visitSwitchCase(SwitchCase node) {
|
| - visitList6(node.labels, " ", " ");
|
| - _writer.print("case ");
|
| - visit(node.expression);
|
| - _writer.print(": ");
|
| - {
|
| - indentInc();
|
| - visitList5(node.statements, "\n");
|
| - indentDec();
|
| - }
|
| - return null;
|
| - }
|
| - Object visitSwitchDefault(SwitchDefault node) {
|
| - visitList6(node.labels, " ", " ");
|
| - _writer.print("default: ");
|
| - {
|
| - indentInc();
|
| - visitList5(node.statements, "\n");
|
| - indentDec();
|
| - }
|
| - return null;
|
| - }
|
| - Object visitSwitchStatement(SwitchStatement node) {
|
| - _writer.print("switch (");
|
| - visit(node.expression);
|
| - _writer.print(") {");
|
| - {
|
| - indentInc();
|
| - visitList5(node.members, "\n");
|
| - indentDec();
|
| - }
|
| - nl2();
|
| - _writer.print('}');
|
| - return null;
|
| - }
|
| - Object visitThisExpression(ThisExpression node) {
|
| - _writer.print("this");
|
| - return null;
|
| - }
|
| - Object visitThrowExpression(ThrowExpression node) {
|
| - _writer.print("throw ");
|
| - visit(node.expression);
|
| - return null;
|
| - }
|
| - Object visitTopLevelVariableDeclaration(TopLevelVariableDeclaration node) {
|
| - visit6(node.variables, ";");
|
| - return null;
|
| - }
|
| - Object visitTryStatement(TryStatement node) {
|
| - _writer.print("try ");
|
| - visit(node.body);
|
| - visitList7(" ", node.catchClauses, " ");
|
| - visit7(" finally ", node.finallyClause);
|
| - return null;
|
| - }
|
| - Object visitTypeArgumentList(TypeArgumentList node) {
|
| - _writer.print('<');
|
| - visitList5(node.arguments, ", ");
|
| - _writer.print('>');
|
| - return null;
|
| - }
|
| - Object visitTypeName(TypeName node) {
|
| - visit(node.name);
|
| - visit(node.typeArguments);
|
| - return null;
|
| - }
|
| - Object visitTypeParameter(TypeParameter node) {
|
| - visit(node.name);
|
| - visit7(" extends ", node.bound);
|
| - return null;
|
| - }
|
| - Object visitTypeParameterList(TypeParameterList node) {
|
| - _writer.print('<');
|
| - visitList5(node.typeParameters, ", ");
|
| - _writer.print('>');
|
| - return null;
|
| - }
|
| - Object visitVariableDeclaration(VariableDeclaration node) {
|
| - visit(node.name);
|
| - visit7(" = ", node.initializer);
|
| - return null;
|
| - }
|
| - Object visitVariableDeclarationList(VariableDeclarationList node) {
|
| - visit8(node.keyword, " ");
|
| - visit6(node.type, " ");
|
| - visitList5(node.variables, ", ");
|
| - return null;
|
| - }
|
| - Object visitVariableDeclarationStatement(VariableDeclarationStatement node) {
|
| - visit(node.variables);
|
| - _writer.print(";");
|
| - return null;
|
| - }
|
| - Object visitWhileStatement(WhileStatement node) {
|
| - _writer.print("while (");
|
| - visit(node.condition);
|
| - _writer.print(") ");
|
| - visit(node.body);
|
| - return null;
|
| - }
|
| - Object visitWithClause(WithClause node) {
|
| - _writer.print("with ");
|
| - visitList5(node.mixinTypes, ", ");
|
| - return null;
|
| - }
|
| - void indent() {
|
| - _writer.print(_indentString);
|
| - }
|
| - void indentDec() {
|
| - _indentLevel -= 2;
|
| - _indentString = StringUtils.repeat(" ", _indentLevel);
|
| - }
|
| - void indentInc() {
|
| - _indentLevel += 2;
|
| - _indentString = StringUtils.repeat(" ", _indentLevel);
|
| - }
|
| - void nl() {
|
| - _writer.print("\n");
|
| - }
|
| - void nl2() {
|
| - nl();
|
| - indent();
|
| - }
|
| - /**
|
| - * Safely visit the given node.
|
| - * @param node the node to be visited
|
| - */
|
| - void visit(ASTNode node) {
|
| - if (node != null) {
|
| - node.accept(this);
|
| - }
|
| - }
|
| - /**
|
| - * Safely visit the given node, printing the suffix after the node if it is non-<code>null</code>.
|
| - * @param suffix the suffix to be printed if there is a node to visit
|
| - * @param node the node to be visited
|
| - */
|
| - void visit6(ASTNode node, String suffix) {
|
| - if (node != null) {
|
| - node.accept(this);
|
| - _writer.print(suffix);
|
| - }
|
| - }
|
| - /**
|
| - * Safely visit the given node, printing the prefix before the node if it is non-<code>null</code>
|
| - * .
|
| - * @param prefix the prefix to be printed if there is a node to visit
|
| - * @param node the node to be visited
|
| - */
|
| - void visit7(String prefix, ASTNode node) {
|
| - if (node != null) {
|
| - _writer.print(prefix);
|
| - node.accept(this);
|
| - }
|
| - }
|
| - /**
|
| - * Safely visit the given node, printing the suffix after the node if it is non-<code>null</code>.
|
| - * @param suffix the suffix to be printed if there is a node to visit
|
| - * @param node the node to be visited
|
| - */
|
| - void visit8(Token token, String suffix) {
|
| - if (token != null) {
|
| - _writer.print(token.lexeme);
|
| - _writer.print(suffix);
|
| - }
|
| - }
|
| - /**
|
| - * Print a list of nodes without any separation.
|
| - * @param nodes the nodes to be printed
|
| - * @param separator the separator to be printed between adjacent nodes
|
| - */
|
| - void visitList(NodeList<ASTNode> nodes) {
|
| - visitList5(nodes, "");
|
| - }
|
| - /**
|
| - * Print a list of nodes, separated by the given separator.
|
| - * @param nodes the nodes to be printed
|
| - * @param separator the separator to be printed between adjacent nodes
|
| - */
|
| - void visitList5(NodeList<ASTNode> nodes, String separator) {
|
| - if (nodes != null) {
|
| - int size8 = nodes.length;
|
| - for (int i = 0; i < size8; i++) {
|
| - if ("\n" == separator) {
|
| - _writer.print("\n");
|
| - indent();
|
| - } else if (i > 0) {
|
| - _writer.print(separator);
|
| - }
|
| - nodes[i].accept(this);
|
| - }
|
| - }
|
| - }
|
| - /**
|
| - * Print a list of nodes, separated by the given separator.
|
| - * @param nodes the nodes to be printed
|
| - * @param separator the separator to be printed between adjacent nodes
|
| - * @param suffix the suffix to be printed if the list is not empty
|
| - */
|
| - void visitList6(NodeList<ASTNode> nodes, String separator, String suffix) {
|
| - if (nodes != null) {
|
| - int size9 = nodes.length;
|
| - if (size9 > 0) {
|
| - for (int i = 0; i < size9; i++) {
|
| - if (i > 0) {
|
| - _writer.print(separator);
|
| - }
|
| - nodes[i].accept(this);
|
| - }
|
| - _writer.print(suffix);
|
| - }
|
| - }
|
| - }
|
| - /**
|
| - * Print a list of nodes, separated by the given separator.
|
| - * @param prefix the prefix to be printed if the list is not empty
|
| - * @param nodes the nodes to be printed
|
| - * @param separator the separator to be printed between adjacent nodes
|
| - */
|
| - void visitList7(String prefix, NodeList<ASTNode> nodes, String separator) {
|
| - if (nodes != null) {
|
| - int size10 = nodes.length;
|
| - if (size10 > 0) {
|
| - _writer.print(prefix);
|
| - for (int i = 0; i < size10; i++) {
|
| - if (i > 0) {
|
| - _writer.print(separator);
|
| - }
|
| - nodes[i].accept(this);
|
| - }
|
| - }
|
| - }
|
| - }
|
| -}
|
|
|
Chromium Code Reviews
Issue 12838003:
Rename analyzer-experimental to analyzer_experimental. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart