DartC User Warning Framework

compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java

Index: compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java
diff --git a/compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java b/compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java
index 5bef584bc7909b4ae4956ef636fc2c140671cfb8..973195dc40e14a2b9583922b745495d34d293ca1 100644
--- a/compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java
+++ b/compiler/java/com/google/dart/compiler/DartCompilerErrorCode.java
@@ -8,225 +8,42 @@ package com.google.dart.compiler;
  * Valid error codes for the errors produced by the Dart compiler.
  */
 public enum DartCompilerErrorCode implements ErrorCode {
-  // TODO(brianwilkerson) Fill in the error messages as error creation sites are converted to use
-  // these error codes.
-  ABSTRACT_CLASS("%s is an abstract class because it does not implement the following members:%s"),
-  ABSTRACT_MEMBER_IN_INTERFACE("SyntaxError: abstract members are not allowed in interfaces"),
-  CANNOT_ACCESS_OUTER_LABEL("Cannot access label %s declared in an outer function"),
-  CANNOT_ACCESS_FIELD_IN_INIT("Cannot access an instance field in an initializer expression"),
-  CANNOT_ASSIGN_TO_FINAL("cannot assign value to final variable \"%s\"."),
-  CANNOT_BE_RESOLVED("cannot resolve %s"),
-  CANNOT_BE_RESOLVED_LIBRARY("cannot resolve %s in library %s"),
-  CANNOT_BE_INITIALIZED("cannot be initialized"),
-  CANNOT_CALL_LABEL("Labels cannot be called"),
-  CANNOT_DECLARE_NON_FACTORY_CONSTRUCTOR(
-      "Cannot declare a non-factory named constructor of another class."),
-  CANNOT_INIT_FIELD_FROM_SUPERCLASS("Cannot initialize a field from a super class"),
-  CANNOT_INIT_STATIC_FIELD_IN_INITIALIZER(
-      "Cannot initialize a static field in an initializer list"),
-  CANNOT_INSTATIATE_ABSTRACT_CLASS("cannot instantiate abstract class %s"),
-  CANNOT_OVERRIDE_INSTANCE_MEMBER("static member cannot override instance member %s of %s"),
-  CANNOT_OVERRIDE_STATIC_MEMBER("cannot override static member %s of %s"),
-  CANNOT_OVERRIDE_TYPED_MEMBER("cannot override %s of %s because %s is not assignable to %s"),
-  CANNOT_OVERRIDE_METHOD_NOT_SUBTYPE("cannot override %s of %s because %s is not a subtype of %s"),
-  CANNOT_RESOLVE_CONSTRUCTOR("cannot resolve constructor %s"),
-  CANNOT_RESOLVE_FIELD("cannot resolve field %s"),
-  CANNOT_RESOLVE_LABEL("cannot resolve label %s"),
-  CANNOT_RESOLVE_METHOD("cannot resolve method %s"),
-  CANNOT_RESOLVE_SUPER_CONSTRUCTOR("cannot resolve method %s"),
-  CANNOT_RESOLVE_IMPLICIT_CALL_TO_SUPER_CONSTRUCTOR(
-      "super type %s does not have a default constructor"),
-  CATCH_OR_FINALLY_EXPECTED("catch or finally clause expected."),
-  CONSTRUCTOR_CANNOT_BE_ABSTRACT("A constructor cannot be asbstract"),
-  CONSTRUCTOR_CANNOT_BE_STATIC("A constructor cannot be static"),
-  CONSTRUCTOR_MUST_CALL_SUPER("Constructors must call super constructor"),
-  CONST_CONSTRUCTOR_CANNOT_HAVE_BODY("A const constructor cannot have a body"),
-  CONST_CONSTRUCTOR_MUST_CALL_CONST_SUPER("const constructor must call const super constructor"),
-  CONSTANTS_MUST_BE_INITIALIZED("constants must be initialized"),
-  CYCLIC_CLASS("%s causes a cycle in the supertype graph"),
-  DEFAULT_POSITIONAL_PARAMETER("Positional parameters cannot have default values"),
-  DID_YOU_MEAN_NEW("%1$s is a %2$s. Did you mean (new %1$s)?"),
-  DISALLOWED_ABSTRACT_KEYWORD("SyntaxError: abstract keyword not allowed here"),
-  DISALLOWED_FACTORY_KEYWORD("SyntaxError: factory keyword not allowed here"),
-  DUPLICATE_DEFINITION("duplicate definition of %s"),
-  DUPLICATED_INTERFACE("%s and %s are duplicated in the supertype graph"),
-  ENTRY_POINT_IN_LIBRARY("Libraries may not specify an entry point"),
   ENTRY_POINT_METHOD_CANNOT_HAVE_PARAMETERS("Main entry point method cannot have parameters"),
   ENTRY_POINT_METHOD_MAY_NOT_BE_GETTER("Entry point \"%s\" may not be a getter"),
   ENTRY_POINT_METHOD_MAY_NOT_BE_SETTER("Entry point \"%s\" may not be a setter"),
-  EXPECTED_AN_INSTANCE_FIELD_IN_SUPER_CLASS(
-      "expected an instance field in the super class, but got %s"),
-  EXPECTED_ARRAY_OR_MAP_LITERAL("Expected array or map literal"),
-  EXPECTED_CASE_OR_DEFAULT("Expected 'case' or 'default'"),
-  EXPECTED_CLASS_DECLARATION_LBRACE("Expected '{' in class or interface declaration"),
-  EXPECTED_COMMA_OR_RIGHT_BRACE("Expected ',' or '}'"),
-  EXPECTED_COMMA_OR_RIGHT_PAREN("Expected ',' or ')', but got '%s'"),
-  EXPECTED_COMPOUND_STATEMENT("SyntaxError: expected if, switch, while, do, or for"),
-  EXPECTED_CONSTANT_EXPRESSION("Expected constant expression"),
-  EXPECTED_CONSTANT_EXPRESSION_BOOLEAN("Expected constant expression of type bool, got %s"),
-  EXPECTED_CONSTANT_EXPRESSION_INT("Expected constant expression of type int, got %s"),
-  EXPECTED_CONSTANT_EXPRESSION_NUMBER("Expected constant expression of type num, got %s"),
-  EXPECTED_CONSTANT_EXPRESSION_STRING_NUMBER_BOOL(
-      "Expected constant expression of type String, num or bool, got %s"),
-  EXPECTED_CONSTANT_LITERAL("Expected a constant literal"),
-  EXPECTED_EOS("Unexpected token '%s' (expected end of file)"),
-  EXPECTED_FIELD_NOT_CLASS("%s is a class, expected a local field"),
-  EXPECTED_FIELD_NOT_METHOD("%s is a method, expected a local field"),
-  EXPECTED_FIELD_NOT_PARAMETER("%s is a parameter, expected a local field"),
-  EXPECTED_FIELD_NOT_TYPE_VAR("%s is a type variable, expected a local field"),
-  EXPECTED_IDENTIFIER("Expected identifier"),
-  EXPECTED_ONE_ARGUMENT("Expected one argument"),
-  EXPECTED_LEFT_BRACKET_OR_LEFT_BRACE("'[' or '{' expected"),
-  EXPECTED_LEFT_PAREN("'(' expected"),
-  EXPECTED_LIBRARY("Must begin with 'library' or 'application'"),
-  EXPECTED_PERIOD_OR_LEFT_BRACKET("SyntaxError: expected '.' or '['"),
-  EXPECTED_PREFIX_KEYWORD("SyntaxError: expected 'prefix' after comma"),
-  EXPECTED_SEMICOLON("Expected ';'"),
-  EXPECTED_STATIC_FIELD("expected a static field, but got %s"),
-  EXPECTED_STRING_LITERAL("Expected string literal"),
-  EXPECTED_TYPE("Expected type %s, got %s"),
-  EXPECTED_TOKEN("Unexpected token '%s' (expected '%s')"),
-  EXPECTED_VAR_FINAL_OR_TYPE("Expected 'var', 'final' or type"),
-  EXPORTED_FUNCTIONS_MUST_BE_STATIC("Exported functions must be static"),
-  EXTENDED_NATIVE_CLASS("Native classes must not extend other classes"),
-  EXTRA_ARGUMENT("extra argument"),
-  EXTRA_COMMA("Extra comma"),
-  EXTRA_QUALIFIER_FOR_TYPE_DECLARATION("SyntaxError: extra qualifier for a class or interface "
-      + "definition"),
-  EXTRA_TYPE_ARGUMENT("Type variables may not have type arguments"),
-  FACTORY_ACCESS_SUPER("Cannot use 'super' in a factory constructor"),
-  FACTORY_CANNOT_BE_ABSTRACT("SyntaxError: A factory cannot be abstract"),
-  FACTORY_CANNOT_BE_CONST("SyntaxError: A factory cannot be const"),
-  FACTORY_CANNOT_BE_STATIC("SyntaxError: A factory cannot be static"),
-  FACTORY_MEMBER_IN_INTERFACE("SyntaxError: factory members are not allowed in interfaces"),
-  FIELD_CONFLICTS("%s conflicts with previously defined %s at line %d column %d"),
-  FOR_IN_WITH_ITERATOR_FIELD("iterator is a field, expected an iterator() method"),
-  FOR_IN_WITH_INVALID_ITERATOR_RETURN_TYPE("iterator method's return type is not assignable to %s"),
-  FOR_IN_WITH_COMPLEX_VARIABLE("Only simple variables can be assigned to in a for-in construct"),
-  FOR_IN_WITH_MULTIPLE_VARIABLES("Too many variable declarations in a for-in construct"),
-  FOR_IN_WITH_VARIABLE_INITIALIZER("Cannot initialize for-in variables"),
-  FUNCTION_KEYWORD("'function' keyword is deprecated'"),
-  FUNCTION_TYPED_PARAMETER_IS_CONST("Formal parameter with a function type cannot be const"),
-  FUNCTION_TYPED_PARAMETER_IS_FINAL("Formal parameter with a function type cannot be const"),
-  FUNCTION_TYPED_PARAMETER_IS_VAR("Formal parameter with a function type cannot be var"),
-  FUNCTION_TYPED_PARAMETER_IS_VARIADIC("Formal parameter with a function type cannot be variadic"),
-  ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE("SyntaxError: Illegal assignment to non-assignable "
-      + "expression"),
   ILLEGAL_DIRECTIVES_IN_SOURCED_UNIT("A source which was included by another source via a "
       + "#source directive cannot itself contain directives: %s"),
-  ILLEGAL_FIELD_ACCESS_FROM_STATIC("Illegal access of instance field %s from static scope"),
-  ILLEGAL_METHOD_ACCESS_FROM_STATIC("Illegal access of instance method %s from static scope"),
-  ILLEGAL_NUMBER_OF_ARGUMENTS("SyntaxError: Illegal number of arguments"),
-  INCOMPLETE_STRING_LITERAL("Incomplete string literal"),
-  INSTANCE_METHOD_FROM_STATIC("Instance methods cannot be referenced from static methods"),
-  INTERFACE_HAS_NO_METHOD_NAMED("%s has no method named \"%s\""),
-  INTERNAL_ERROR("internal error: %s"),
-  INVALID_FIELD_DECLARATION("SyntaxError: wrong syntax for field declaration"),
-  INVALID_OPERATOR_CHAINING("SyntaxError: cannot chain '%s'"),
-  INVALID_TYPE_NAME_IN_CONSTRUCTOR("Invalid type in constructor name"),
-  IS_A_CLASS("%s is a class and cannot be used as an expression"),
-  IS_A_CONSTRUCTOR("%s.%s is a constructor, expected a  method"),
-  IS_AN_INSTANCE_METHOD("%s.%s is an instance method, not a static method"),
-  IS_STATIC_FIELD_IN("\"%s\" is a static field in \"%s\""),
-  IS_STATIC_METHOD_IN("\"%s\" is a static method in \"%s\""),
-  MALFORMED_FUNCTION_TYPE_ALIAS("SyntaxError: malformed function alias"),
-  MALFORMED_PARAMETERIZED_TYPE("SyntaxError: malformed parameterized type"),
-  MEMBER_IS_A_CONSTRUCTOR("%s is a constructor in %s"),
-  METHOD_MUST_HAVE_BODY("A non-abstract method must have a body"),
-  MISSING_ARGUMENT("missing argument of type %s"),
-  MISSING_FUNCTION_NAME("a function name is required for a declaration"),
-  MISSING_LIBRARY_DIRECTIVE("a library which is imported is missing a "
-      + "#library directive: %s"),
-  MISSING_RETURN_VALUE("no return value; expected a value of type %s"),
+  IO("Input/Output error: %s"),
+  MISSING_LIBRARY_DIRECTIVE("a library which is imported is missing a #library directive: %s"),
   MISSING_SOURCE("Cannot find referenced source: %s"),
-  MULTIPLE_ENTRY_POINTS("'entrypoint' may be specified only once"),
-  MULTIPLE_IMPORT_LISTS("'import' may be specified only once"),
-  MULTIPLE_NATIVES("'native' may be specified only once"),
-  MULTIPLE_RESOURCE_LISTS("'resource' may be specified only once"),
-  MULTIPLE_REST_PARAMETERS("multiple rest parameters"),
-  MULTIPLE_SOURCE_LISTS("'source' may be specified only once"),
-  NAMED_AND_VARIADIC_PARAMETERS("Cannot have both named and variadic parameters"),
-  NAME_CLASHES_EXISTING_MEMBER(
-      "name clashes with a previously defined member at %sline %d column %d"),
-  NEW_EXPRESSION_NOT_CONSTRUCTOR("New expression does not resolve to a constructor"),
-  NEW_EXPRESSION_CANT_USE_TYPE_VAR("New expression cannot be invoked on type variable"),
-  NON_CONST_STATIC_MEMBER_IN_INTERFACE("SyntaxError: non-final static members are not allowed in "
-      + "interfaces"),
-  NON_FINAL_STATIC_MEMBER_IN_INTERFACE("SyntaxError: non-final static members are not allowed in "
-      + "interfaces"),
-  NO_SUCH_TYPE("no such type \"%s\""),
-  NO_ENTRY_POINT("No entrypoint specified for app"),
-  NOT_A_CLASS("\"%s\" is not a class"),
-  NOT_A_CLASS_OR_INTERFACE("\"%s\" is not a class or interface"),
-  NOT_A_LABEL("\"%s\" is not a label"),
-  NOT_A_MEMBER_OF("\"%s\" is not a member of %s"),
-  NOT_A_METHOD_IN("\"%s\" is not a method in %s"),
-  NOT_AN_INSTANCE_FIELD("%s is not an instance field"),
-  NOT_AN_INTERFACE("\"%s\" is not an interface"),
-  NOT_A_FUNCTION("\"%s\" is not a function"),
-  NOT_A_STATIC_FIELD("\"%s\" is not a static field"),
-  NOT_A_STATIC_METHOD("\"%s\" is not a static method"),
-  REDIRECTED_CONSTRUCTOR_CYCLE("Redirected constructor call has a cycle."),
-  OPERATOR_CANNOT_BE_STATIC("SyntaxError: Operators cannot be static"),
-  OPERATOR_WRONG_OPERAND_TYPE("operand of \"%s\" must be assignable to \"%s\""),
-  PARAMETER_INIT_OUTSIDE_CONSTRUCTOR("Parameter initializers can only be used in constructors"),
-  PARAMETER_INIT_STATIC_FIELD(
-      "Parameter initializer cannot be use to initialize a static field '%s'"),
-  PARAMETER_INIT_WITH_REDIR_CONSTRUCTOR(
-      "Parameter initializers cannot be used with redirected constructors"),
-  PARAMETER_NOT_MATCH_FIELD("Could not match parameter initializer '%s' with any field"),
-  RETHROW_NOT_IN_CATCH("Re-throw not in a catch block"),
-  STATIC_FINAL_REQUIRES_VALUE("Static final fields must have an initial value"),
-  STATIC_MEMBER_ACCESSED_THROUGH_INSTANCE(
-      "static member %s of %s cannot be accessed through an instance"),
-  STATIC_METHOD_ACCESS_SUPER("Cannot use 'super' in a static method"),
-  STATIC_METHOD_ACCESS_THIS("Cannot use 'this' in a static method"),
-  SUPERFLUOUS_FUNCTION_KEYWORD("SyntaxError: superfluous 'function' keyword"),
-  SUPER_CALL_MUST_BE_FIRST("super call must be first in initializer list"),
-  SUPER_OUTSIDE_OF_METHOD("Cannot use 'super' outside of a method"),
-  SUPERTYPE_HAS_FIELD("%s is a field in %s"),
-  SUPERTYPE_HAS_METHOD("%s is a method in %s"),
-  TOP_LEVEL_IS_STATIC("Top-level field or method may not be static"),
-  TOP_LEVEL_METHOD_ACCESS_SUPER("Cannot use 'super' in a top-level method"),
-  TOP_LEVEL_METHOD_ACCESS_THIS("Cannot use 'this' in a top-level method"),
-  TYPE_NOT_ASSIGNMENT_COMPATIBLE("%s is not assignable to %s"),
-  TYPE_VARIABLE_IN_STATIC_CONTEXT("cannot access type variable %s in static context"),
-  UNEXPECTED_TOKEN("Unexpected token '%s'"),
-  UNEXPECTED_TOKEN_IN_STRING_INTERPOLATION("Unexpected token in string interpolation: %s"),
-  UNEXPECTED_TYPE_ARGUMENT("unexpected type argument"),
-  UNREFERENCED_LABEL("unreferenced label \"%s\""),
-  USELESS_LABEL("useless label \"%s\""),
-  VOID("expression does not yield a value"),
-  VOID_CANNOT_RETURN_VALUE("cannot return a value from a void function"),
-  VOID_FIELD("SyntaxError: field cannot be of type void"),
-  VOID_PARAMETER("SyntaxError: parameter cannot be of type void"),
-  VOID_VARIABLE("Variable cannot be of type void"),
-  WRONG_NUMBER_OF_TYPE_ARGUMENTS("%s: wrong number of type arguments"),
-  ILLEGAL_ACCESS_TO_PRIVATE_MEMBER("\"%s\" refers to \"%s\" which is in a different library");
+  NO_ENTRY_POINT("No entrypoint specified for app");
+  private final ErrorSeverity severity;
+  private final String message;
 
   /**
-   * The message format string used to create the message to be displayed for this error.
+   * Initialize a newly created error code to have the given message and ERROR severity.
    */
-  private String message;
-
-  private DartCompilerErrorCode() {
-    // TODO(brianwilkerson) Remove this constructor once all of the error codes have messages
-    // associated with them.
-    this("%s");
+  private DartCompilerErrorCode(String message) {
+    this(ErrorSeverity.ERROR, message);
   }
 
   /**
-   * Initialize a newly created error code to have the given message.
-   *
-   * @param message the message format string used to create the message to be displayed for this
-   *        error
+   * Initialize a newly created error code to have the given severity and message.
    */
-  private DartCompilerErrorCode(String message) {
+  private DartCompilerErrorCode(ErrorSeverity severity, String message) {
+    this.severity = severity;
     this.message = message;
   }
 
-  @Override
   public String getMessage() {
     return message;
   }
+
+  public ErrorSeverity getErrorSeverity() {
+    return severity;
+  }
+
+  public SubSystem getSubSystem() {
+    return SubSystem.COMPILER;
+  }
 }