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Unified Diff: pkg/analyzer/lib/src/generated/constant.dart

Issue 725143004: Format and sort analyzer and analysis_server packages. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 1 month ago
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Index: pkg/analyzer/lib/src/generated/constant.dart
diff --git a/pkg/analyzer/lib/src/generated/constant.dart b/pkg/analyzer/lib/src/generated/constant.dart
index e94ade9491c1437f881cb5ff046357876bec7265..7eaf916bdb2bc110453a677d7d37ba26c9904e76 100644
--- a/pkg/analyzer/lib/src/generated/constant.dart
+++ b/pkg/analyzer/lib/src/generated/constant.dart
@@ -8,17 +8,18 @@
library engine.constant;
import 'dart:collection';
-import 'java_core.dart';
-import 'java_engine.dart' show ObjectUtilities;
-import 'source.dart' show Source;
-import 'error.dart';
-import 'scanner.dart' show Token, TokenType;
+
import 'ast.dart';
import 'element.dart';
-import 'resolver.dart' show TypeProvider;
import 'engine.dart' show AnalysisEngine, RecordingErrorListener;
-import 'utilities_dart.dart' show ParameterKind;
+import 'error.dart';
+import 'java_core.dart';
+import 'java_engine.dart' show ObjectUtilities;
+import 'resolver.dart' show TypeProvider;
+import 'scanner.dart' show Token, TokenType;
+import 'source.dart' show Source;
import 'utilities_collection.dart';
+import 'utilities_dart.dart' show ParameterKind;
/**
* Instances of the class `BoolState` represent the state of an object representing a boolean
@@ -26,11 +27,6 @@ import 'utilities_collection.dart';
*/
class BoolState extends InstanceState {
/**
- * The value of this instance.
- */
- final bool value;
-
- /**
* An instance representing the boolean value 'false'.
*/
static BoolState FALSE_STATE = new BoolState(false);
@@ -46,12 +42,9 @@ class BoolState extends InstanceState {
static BoolState UNKNOWN_VALUE = new BoolState(null);
/**
- * Return the boolean state representing the given boolean value.
- *
- * @param value the value to be represented
- * @return the boolean state representing the given boolean value
+ * The value of this instance.
*/
- static BoolState from(bool value) => value ? BoolState.TRUE_STATE : BoolState.FALSE_STATE;
+ final bool value;
/**
* Initialize a newly created state to represent the given value.
@@ -61,6 +54,33 @@ class BoolState extends InstanceState {
BoolState(this.value);
@override
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => value == null ? 0 : (value ? 2 : 3);
+
+ /**
+ * Return `true` if this object represents an object whose type is 'bool'.
+ *
+ * @return `true` if this object represents a boolean value
+ */
+ @override
+ bool get isBool => true;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ bool get isUnknown => value == null;
+
+ @override
+ String get typeName => "bool";
+
+ @override
+ bool operator ==(Object object) =>
+ object is BoolState && identical(value, object.value);
+
+ @override
BoolState convertToBool() => this;
@override
@@ -95,32 +115,6 @@ class BoolState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is BoolState && identical(value, object.value);
-
- @override
- String get typeName => "bool";
-
- @override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => value == null ? 0 : (value ? 2 : 3);
-
- /**
- * Return `true` if this object represents an object whose type is 'bool'.
- *
- * @return `true` if this object represents a boolean value
- */
- @override
- bool get isBool => true;
-
- @override
- bool get isBoolNumStringOrNull => true;
-
- @override
- bool get isUnknown => value == null;
-
- @override
BoolState logicalAnd(InstanceState rightOperand) {
assertBool(rightOperand);
if (value == null) {
@@ -148,6 +142,15 @@ class BoolState extends InstanceState {
@override
String toString() => value == null ? "-unknown-" : (value ? "true" : "false");
+
+ /**
+ * Return the boolean state representing the given boolean value.
+ *
+ * @param value the value to be represented
+ * @return the boolean state representing the given boolean value
+ */
+ static BoolState from(bool value) =>
+ value ? BoolState.TRUE_STATE : BoolState.FALSE_STATE;
}
/**
@@ -215,7 +218,8 @@ class ConstantEvaluator {
EvaluationResult evaluate(Expression expression) {
RecordingErrorListener errorListener = new RecordingErrorListener();
ErrorReporter errorReporter = new ErrorReporter(errorListener, _source);
- DartObjectImpl result = expression.accept(new ConstantVisitor.con1(_typeProvider, errorReporter));
+ DartObjectImpl result =
+ expression.accept(new ConstantVisitor.con1(_typeProvider, errorReporter));
if (result != null) {
return EvaluationResult.forValue(result);
}
@@ -232,17 +236,20 @@ class ConstantFinder extends RecursiveAstVisitor<Object> {
/**
* A table mapping constant variable elements to the declarations of those variables.
*/
- final HashMap<VariableElement, VariableDeclaration> variableMap = new HashMap<VariableElement, VariableDeclaration>();
+ final HashMap<VariableElement, VariableDeclaration> variableMap =
+ new HashMap<VariableElement, VariableDeclaration>();
/**
* A table mapping constant constructors to the declarations of those constructors.
*/
- final HashMap<ConstructorElement, ConstructorDeclaration> constructorMap = new HashMap<ConstructorElement, ConstructorDeclaration>();
+ final HashMap<ConstructorElement, ConstructorDeclaration> constructorMap =
+ new HashMap<ConstructorElement, ConstructorDeclaration>();
/**
* A collection of constant constructor invocations.
*/
- final List<InstanceCreationExpression> constructorInvocations = new List<InstanceCreationExpression>();
+ final List<InstanceCreationExpression> constructorInvocations =
+ new List<InstanceCreationExpression>();
@override
Object visitConstructorDeclaration(ConstructorDeclaration node) {
@@ -296,28 +303,26 @@ class ConstantValueComputer {
/**
* Source of RegExp matching declarable operator names. From sdk/lib/internal/symbol.dart.
*/
- static String _OPERATOR_RE = "(?:[\\-+*/%&|^]|\\[\\]=?|==|~/?|<[<=]?|>[>=]?|unary-)";
+ static String _OPERATOR_RE =
+ "(?:[\\-+*/%&|^]|\\[\\]=?|==|~/?|<[<=]?|>[>=]?|unary-)";
/**
* Source of RegExp matching any public identifier. From sdk/lib/internal/symbol.dart.
*/
- static String _PUBLIC_IDENTIFIER_RE = "(?!${ConstantValueComputer._RESERVED_WORD_RE}\\b(?!\\\$))[a-zA-Z\$][\\w\$]*";
+ static String _PUBLIC_IDENTIFIER_RE =
+ "(?!${ConstantValueComputer._RESERVED_WORD_RE}\\b(?!\\\$))[a-zA-Z\$][\\w\$]*";
/**
* Source of RegExp matching Dart reserved words. From sdk/lib/internal/symbol.dart.
*/
- static String _RESERVED_WORD_RE = "(?:assert|break|c(?:a(?:se|tch)|lass|on(?:st|tinue))|d(?:efault|o)|e(?:lse|num|xtends)|f(?:alse|inal(?:ly)?|or)|i[fns]|n(?:ew|ull)|ret(?:hrow|urn)|s(?:uper|witch)|t(?:h(?:is|row)|r(?:ue|y))|v(?:ar|oid)|w(?:hile|ith))";
+ static String _RESERVED_WORD_RE =
+ "(?:assert|break|c(?:a(?:se|tch)|lass|on(?:st|tinue))|d(?:efault|o)|e(?:lse|num|xtends)|f(?:alse|inal(?:ly)?|or)|i[fns]|n(?:ew|ull)|ret(?:hrow|urn)|s(?:uper|witch)|t(?:h(?:is|row)|r(?:ue|y))|v(?:ar|oid)|w(?:hile|ith))";
/**
* RegExp that validates a non-empty non-private symbol. From sdk/lib/internal/symbol.dart.
*/
- static RegExp _PUBLIC_SYMBOL_PATTERN = new RegExp("^(?:${ConstantValueComputer._OPERATOR_RE}\$|$_PUBLIC_IDENTIFIER_RE(?:=?\$|[.](?!\$)))+?\$");
-
- /**
- * Determine whether the given string is a valid name for a public symbol (i.e. whether it is
- * allowed for a call to the Symbol constructor).
- */
- static bool isValidPublicSymbol(String name) => name.isEmpty || name == "void" || new JavaPatternMatcher(_PUBLIC_SYMBOL_PATTERN, name).matches();
+ static RegExp _PUBLIC_SYMBOL_PATTERN = new RegExp(
+ "^(?:${ConstantValueComputer._OPERATOR_RE}\$|$_PUBLIC_IDENTIFIER_RE(?:=?\$|[.](?!\$)))+?\$");
/**
* The type provider used to access the known types.
@@ -377,6 +382,28 @@ class ConstantValueComputer {
}
/**
+ * This method is called just before computing the constant value associated with an AST node.
+ * Unit tests will override this method to introduce additional error checking.
+ */
+ void beforeComputeValue(AstNode constNode) {
+ }
+
+ /**
+ * This method is called just before getting the constant initializers associated with a
+ * constructor AST node. Unit tests will override this method to introduce additional error
+ * checking.
+ */
+ void beforeGetConstantInitializers(ConstructorElement constructor) {
+ }
+
+ /**
+ * This method is called just before getting a parameter's default value. Unit tests will override
+ * this method to introduce additional error checking.
+ */
+ void beforeGetParameterDefault(ParameterElement parameter) {
+ }
+
+ /**
* Compute values for all of the constants in the compilation units that were added.
*/
void computeValues() {
@@ -384,12 +411,21 @@ class ConstantValueComputer {
constructorDeclarationMap = _constantFinder.constructorMap;
_constructorInvocations = _constantFinder.constructorInvocations;
_variableDeclarationMap.values.forEach((VariableDeclaration declaration) {
- ReferenceFinder referenceFinder = new ReferenceFinder(declaration, referenceGraph, _variableDeclarationMap, constructorDeclarationMap);
+ ReferenceFinder referenceFinder = new ReferenceFinder(
+ declaration,
+ referenceGraph,
+ _variableDeclarationMap,
+ constructorDeclarationMap);
referenceGraph.addNode(declaration);
declaration.initializer.accept(referenceFinder);
});
- constructorDeclarationMap.forEach((ConstructorElement element, ConstructorDeclaration declaration) {
- ReferenceFinder referenceFinder = new ReferenceFinder(declaration, referenceGraph, _variableDeclarationMap, constructorDeclarationMap);
+ constructorDeclarationMap.forEach(
+ (ConstructorElement element, ConstructorDeclaration declaration) {
+ ReferenceFinder referenceFinder = new ReferenceFinder(
+ declaration,
+ referenceGraph,
+ _variableDeclarationMap,
+ constructorDeclarationMap);
referenceGraph.addNode(declaration);
bool superInvocationFound = false;
NodeList<ConstructorInitializer> initializers = declaration.initializers;
@@ -400,12 +436,15 @@ class ConstantValueComputer {
initializer.accept(referenceFinder);
}
if (!superInvocationFound) {
- // No explicit superconstructor invocation found, so we need to manually insert
- // a reference to the implicit superconstructor.
- InterfaceType superclass = (element.returnType as InterfaceType).superclass;
+ // No explicit superconstructor invocation found, so we need to
+ // manually insert a reference to the implicit superconstructor.
+ InterfaceType superclass =
+ (element.returnType as InterfaceType).superclass;
if (superclass != null && !superclass.isObject) {
- ConstructorElement unnamedConstructor = superclass.element.unnamedConstructor;
- ConstructorDeclaration superConstructorDeclaration = findConstructorDeclaration(unnamedConstructor);
+ ConstructorElement unnamedConstructor =
+ superclass.element.unnamedConstructor;
+ ConstructorDeclaration superConstructorDeclaration =
+ findConstructorDeclaration(unnamedConstructor);
if (superConstructorDeclaration != null) {
referenceGraph.addEdge(declaration, superConstructorDeclaration);
}
@@ -417,7 +456,11 @@ class ConstantValueComputer {
if (parameter is DefaultFormalParameter) {
Expression defaultValue = parameter.defaultValue;
if (defaultValue != null) {
- ReferenceFinder parameterReferenceFinder = new ReferenceFinder(parameter, referenceGraph, _variableDeclarationMap, constructorDeclarationMap);
+ ReferenceFinder parameterReferenceFinder = new ReferenceFinder(
+ parameter,
+ referenceGraph,
+ _variableDeclarationMap,
+ constructorDeclarationMap);
defaultValue.accept(parameterReferenceFinder);
}
}
@@ -430,16 +473,22 @@ class ConstantValueComputer {
continue;
}
constructor = _followConstantRedirectionChain(constructor);
- ConstructorDeclaration declaration = findConstructorDeclaration(constructor);
- // An instance creation expression depends both on the constructor and the arguments passed
- // to it.
- ReferenceFinder referenceFinder = new ReferenceFinder(expression, referenceGraph, _variableDeclarationMap, constructorDeclarationMap);
+ ConstructorDeclaration declaration =
+ findConstructorDeclaration(constructor);
+ // An instance creation expression depends both on the constructor and
+ // the arguments passed to it.
+ ReferenceFinder referenceFinder = new ReferenceFinder(
+ expression,
+ referenceGraph,
+ _variableDeclarationMap,
+ constructorDeclarationMap);
if (declaration != null) {
referenceGraph.addEdge(expression, declaration);
}
expression.argumentList.accept(referenceFinder);
}
- List<List<AstNode>> topologicalSort = referenceGraph.computeTopologicalSort();
+ List<List<AstNode>> topologicalSort =
+ referenceGraph.computeTopologicalSort();
for (List<AstNode> constantsInCycle in topologicalSort) {
if (constantsInCycle.length == 1) {
_computeValueFor(constantsInCycle[0]);
@@ -452,34 +501,15 @@ class ConstantValueComputer {
}
/**
- * This method is called just before computing the constant value associated with an AST node.
- * Unit tests will override this method to introduce additional error checking.
- */
- void beforeComputeValue(AstNode constNode) {
- }
-
- /**
- * This method is called just before getting the constant initializers associated with a
- * constructor AST node. Unit tests will override this method to introduce additional error
- * checking.
- */
- void beforeGetConstantInitializers(ConstructorElement constructor) {
- }
-
- /**
- * This method is called just before getting a parameter's default value. Unit tests will override
- * this method to introduce additional error checking.
- */
- void beforeGetParameterDefault(ParameterElement parameter) {
- }
-
- /**
* Create the ConstantVisitor used to evaluate constants. Unit tests will override this method to
* introduce additional error checking.
*/
- ConstantVisitor createConstantVisitor(ErrorReporter errorReporter) => new ConstantVisitor.con1(typeProvider, errorReporter);
+ ConstantVisitor createConstantVisitor(ErrorReporter errorReporter) =>
+ new ConstantVisitor.con1(typeProvider, errorReporter);
- ConstructorDeclaration findConstructorDeclaration(ConstructorElement constructor) => constructorDeclarationMap[_getConstructorBase(constructor)];
+ ConstructorDeclaration
+ findConstructorDeclaration(ConstructorElement constructor) =>
+ constructorDeclarationMap[_getConstructorBase(constructor)];
/**
* Check that the arguments to a call to fromEnvironment() are correct.
@@ -491,7 +521,9 @@ class ConstantValueComputer {
* Note: "defaultValue" is always allowed to be null.
* @return true if the arguments are correct, false if there is an error.
*/
- bool _checkFromEnvironmentArguments(NodeList<Expression> arguments, List<DartObjectImpl> argumentValues, HashMap<String, DartObjectImpl> namedArgumentValues, InterfaceType expectedDefaultValueType) {
+ bool _checkFromEnvironmentArguments(NodeList<Expression> arguments,
+ List<DartObjectImpl> argumentValues, HashMap<String,
+ DartObjectImpl> namedArgumentValues, InterfaceType expectedDefaultValueType) {
int argumentCount = arguments.length;
if (argumentCount < 1 || argumentCount > 2) {
return false;
@@ -506,11 +538,14 @@ class ConstantValueComputer {
if (arguments[1] is! NamedExpression) {
return false;
}
- if (!((arguments[1] as NamedExpression).name.label.name == _DEFAULT_VALUE_PARAM)) {
+ if (!((arguments[1] as NamedExpression).name.label.name ==
+ _DEFAULT_VALUE_PARAM)) {
return false;
}
- ParameterizedType defaultValueType = namedArgumentValues[_DEFAULT_VALUE_PARAM].type;
- if (!(identical(defaultValueType, expectedDefaultValueType) || identical(defaultValueType, typeProvider.nullType))) {
+ ParameterizedType defaultValueType =
+ namedArgumentValues[_DEFAULT_VALUE_PARAM].type;
+ if (!(identical(defaultValueType, expectedDefaultValueType) ||
+ identical(defaultValueType, typeProvider.nullType))) {
return false;
}
}
@@ -525,7 +560,9 @@ class ConstantValueComputer {
* @param namedArgumentValues the values of the named arguments.
* @return true if the arguments are correct, false if there is an error.
*/
- bool _checkSymbolArguments(NodeList<Expression> arguments, List<DartObjectImpl> argumentValues, HashMap<String, DartObjectImpl> namedArgumentValues) {
+ bool _checkSymbolArguments(NodeList<Expression> arguments,
+ List<DartObjectImpl> argumentValues, HashMap<String,
+ DartObjectImpl> namedArgumentValues) {
if (arguments.length != 1) {
return false;
}
@@ -550,36 +587,51 @@ class ConstantValueComputer {
VariableDeclaration declaration = constNode;
VariableElement element = declaration.element;
RecordingErrorListener errorListener = new RecordingErrorListener();
- ErrorReporter errorReporter = new ErrorReporter(errorListener, element.source);
- DartObjectImpl dartObject = declaration.initializer.accept(createConstantVisitor(errorReporter));
+ ErrorReporter errorReporter =
+ new ErrorReporter(errorListener, element.source);
+ DartObjectImpl dartObject =
+ declaration.initializer.accept(createConstantVisitor(errorReporter));
if (dartObject != null) {
if (!_runtimeTypeMatch(dartObject, element.type)) {
errorReporter.reportErrorForNode(
CheckedModeCompileTimeErrorCode.VARIABLE_TYPE_MISMATCH,
- declaration, [dartObject.type, element.type]);
+ declaration,
+ [dartObject.type, element.type]);
}
}
- (element as VariableElementImpl).evaluationResult = new EvaluationResultImpl.con2(dartObject, errorListener.errors);
+ (element as VariableElementImpl).evaluationResult =
+ new EvaluationResultImpl.con2(dartObject, errorListener.errors);
} else if (constNode is InstanceCreationExpression) {
InstanceCreationExpression expression = constNode;
ConstructorElement constructor = expression.staticElement;
if (constructor == null) {
- // Couldn't resolve the constructor so we can't compute a value. No problem--the error
- // has already been reported. But we still need to store an evaluation result.
+ // Couldn't resolve the constructor so we can't compute a value.
+ // No problem - the error has already been reported.
+ // But we still need to store an evaluation result.
expression.evaluationResult = new EvaluationResultImpl.con1(null);
return;
}
RecordingErrorListener errorListener = new RecordingErrorListener();
- CompilationUnit sourceCompilationUnit = expression.getAncestor((node) => node is CompilationUnit);
- ErrorReporter errorReporter = new ErrorReporter(errorListener, sourceCompilationUnit.element.source);
+ CompilationUnit sourceCompilationUnit =
+ expression.getAncestor((node) => node is CompilationUnit);
+ ErrorReporter errorReporter =
+ new ErrorReporter(errorListener, sourceCompilationUnit.element.source);
ConstantVisitor constantVisitor = createConstantVisitor(errorReporter);
- DartObjectImpl result = _evaluateConstructorCall(constNode, expression.argumentList.arguments, constructor, constantVisitor, errorReporter);
- expression.evaluationResult = new EvaluationResultImpl.con2(result, errorListener.errors);
+ DartObjectImpl result = _evaluateConstructorCall(
+ constNode,
+ expression.argumentList.arguments,
+ constructor,
+ constantVisitor,
+ errorReporter);
+ expression.evaluationResult =
+ new EvaluationResultImpl.con2(result, errorListener.errors);
} else if (constNode is ConstructorDeclaration) {
ConstructorDeclaration declaration = constNode;
NodeList<ConstructorInitializer> initializers = declaration.initializers;
- ConstructorElementImpl constructor = declaration.element as ConstructorElementImpl;
- constructor.constantInitializers = new ConstantValueComputer_InitializerCloner().cloneNodeList(initializers);
+ ConstructorElementImpl constructor =
+ declaration.element as ConstructorElementImpl;
+ constructor.constantInitializers =
+ new ConstantValueComputer_InitializerCloner().cloneNodeList(initializers);
} else if (constNode is FormalParameter) {
if (constNode is DefaultFormalParameter) {
DefaultFormalParameter parameter = constNode;
@@ -587,14 +639,18 @@ class ConstantValueComputer {
Expression defaultValue = parameter.defaultValue;
if (defaultValue != null) {
RecordingErrorListener errorListener = new RecordingErrorListener();
- ErrorReporter errorReporter = new ErrorReporter(errorListener, element.source);
- DartObjectImpl dartObject = defaultValue.accept(createConstantVisitor(errorReporter));
- (element as ParameterElementImpl).evaluationResult = new EvaluationResultImpl.con2(dartObject, errorListener.errors);
+ ErrorReporter errorReporter =
+ new ErrorReporter(errorListener, element.source);
+ DartObjectImpl dartObject =
+ defaultValue.accept(createConstantVisitor(errorReporter));
+ (element as ParameterElementImpl).evaluationResult =
+ new EvaluationResultImpl.con2(dartObject, errorListener.errors);
}
}
} else {
// Should not happen.
- AnalysisEngine.instance.logger.logError("Constant value computer trying to compute the value of a node which is not a VariableDeclaration, InstanceCreationExpression, FormalParameter, or ConstructorDeclaration");
+ AnalysisEngine.instance.logger.logError(
+ "Constant value computer trying to compute the value of a node which is not a VariableDeclaration, InstanceCreationExpression, FormalParameter, or ConstructorDeclaration");
return;
}
}
@@ -608,40 +664,50 @@ class ConstantValueComputer {
* @param namedArgumentValues Named parameters passed to fromEnvironment()
* @return A [DartObjectImpl] object corresponding to the evaluated result
*/
- DartObjectImpl _computeValueFromEnvironment(DartObject environmentValue, DartObjectImpl builtInDefaultValue, HashMap<String, DartObjectImpl> namedArgumentValues) {
+ DartObjectImpl _computeValueFromEnvironment(DartObject environmentValue,
+ DartObjectImpl builtInDefaultValue, HashMap<String,
+ DartObjectImpl> namedArgumentValues) {
DartObjectImpl value = environmentValue as DartObjectImpl;
if (value.isUnknown || value.isNull) {
- // The name either doesn't exist in the environment or we couldn't parse the corresponding
- // value. If the code supplied an explicit default, use it.
+ // The name either doesn't exist in the environment or we couldn't parse
+ // the corresponding value.
+ // If the code supplied an explicit default, use it.
if (namedArgumentValues.containsKey(_DEFAULT_VALUE_PARAM)) {
value = namedArgumentValues[_DEFAULT_VALUE_PARAM];
} else if (value.isNull) {
- // The code didn't supply an explicit default. The name exists in the environment but
- // we couldn't parse the corresponding value. So use the built-in default value, because
- // this is what the VM does.
+ // The code didn't supply an explicit default.
+ // The name exists in the environment but we couldn't parse the
+ // corresponding value.
+ // So use the built-in default value, because this is what the VM does.
value = builtInDefaultValue;
} else {
- // The code didn't supply an explicit default. The name doesn't exist in the environment.
- // The VM would use the built-in default value, but we don't want to do that for analysis
- // because it's likely to lead to cascading errors. So just leave [value] in the unknown
- // state.
+ // The code didn't supply an explicit default.
+ // The name doesn't exist in the environment.
+ // The VM would use the built-in default value, but we don't want to do
+ // that for analysis because it's likely to lead to cascading errors.
+ // So just leave [value] in the unknown state.
}
}
return value;
}
- DartObjectImpl _evaluateConstructorCall(AstNode node, NodeList<Expression> arguments, ConstructorElement constructor, ConstantVisitor constantVisitor, ErrorReporter errorReporter) {
+ DartObjectImpl _evaluateConstructorCall(AstNode node,
+ NodeList<Expression> arguments, ConstructorElement constructor,
+ ConstantVisitor constantVisitor, ErrorReporter errorReporter) {
int argumentCount = arguments.length;
- List<DartObjectImpl> argumentValues = new List<DartObjectImpl>(argumentCount);
+ List<DartObjectImpl> argumentValues =
+ new List<DartObjectImpl>(argumentCount);
List<Expression> argumentNodes = new List<Expression>(argumentCount);
- HashMap<String, DartObjectImpl> namedArgumentValues = new HashMap<String, DartObjectImpl>();
+ HashMap<String, DartObjectImpl> namedArgumentValues =
+ new HashMap<String, DartObjectImpl>();
HashMap<String, NamedExpression> namedArgumentNodes =
new HashMap<String, NamedExpression>();
for (int i = 0; i < argumentCount; i++) {
Expression argument = arguments[i];
if (argument is NamedExpression) {
String name = argument.name.label.name;
- namedArgumentValues[name] = constantVisitor._valueOf(argument.expression);
+ namedArgumentValues[name] =
+ constantVisitor._valueOf(argument.expression);
namedArgumentNodes[name] = argument;
argumentValues[i] = constantVisitor.null2;
} else {
@@ -652,54 +718,89 @@ class ConstantValueComputer {
constructor = _followConstantRedirectionChain(constructor);
InterfaceType definingClass = constructor.returnType as InterfaceType;
if (constructor.isFactory) {
- // We couldn't find a non-factory constructor. See if it's because we reached an external
- // const factory constructor that we can emulate.
+ // We couldn't find a non-factory constructor.
+ // See if it's because we reached an external const factory constructor
+ // that we can emulate.
if (constructor.name == "fromEnvironment") {
- if (!_checkFromEnvironmentArguments(arguments, argumentValues, namedArgumentValues, definingClass)) {
- errorReporter.reportErrorForNode(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION, node);
+ if (!_checkFromEnvironmentArguments(
+ arguments,
+ argumentValues,
+ namedArgumentValues,
+ definingClass)) {
+ errorReporter.reportErrorForNode(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+ node);
return null;
}
- String variableName = argumentCount < 1 ? null : argumentValues[0].stringValue;
+ String variableName =
+ argumentCount < 1 ? null : argumentValues[0].stringValue;
if (identical(definingClass, typeProvider.boolType)) {
DartObject valueFromEnvironment;
- valueFromEnvironment = _declaredVariables.getBool(typeProvider, variableName);
- return _computeValueFromEnvironment(valueFromEnvironment, new DartObjectImpl(typeProvider.boolType, BoolState.FALSE_STATE), namedArgumentValues);
+ valueFromEnvironment =
+ _declaredVariables.getBool(typeProvider, variableName);
+ return _computeValueFromEnvironment(
+ valueFromEnvironment,
+ new DartObjectImpl(typeProvider.boolType, BoolState.FALSE_STATE),
+ namedArgumentValues);
} else if (identical(definingClass, typeProvider.intType)) {
DartObject valueFromEnvironment;
- valueFromEnvironment = _declaredVariables.getInt(typeProvider, variableName);
- return _computeValueFromEnvironment(valueFromEnvironment, new DartObjectImpl(typeProvider.nullType, NullState.NULL_STATE), namedArgumentValues);
+ valueFromEnvironment =
+ _declaredVariables.getInt(typeProvider, variableName);
+ return _computeValueFromEnvironment(
+ valueFromEnvironment,
+ new DartObjectImpl(typeProvider.nullType, NullState.NULL_STATE),
+ namedArgumentValues);
} else if (identical(definingClass, typeProvider.stringType)) {
DartObject valueFromEnvironment;
- valueFromEnvironment = _declaredVariables.getString(typeProvider, variableName);
- return _computeValueFromEnvironment(valueFromEnvironment, new DartObjectImpl(typeProvider.nullType, NullState.NULL_STATE), namedArgumentValues);
+ valueFromEnvironment =
+ _declaredVariables.getString(typeProvider, variableName);
+ return _computeValueFromEnvironment(
+ valueFromEnvironment,
+ new DartObjectImpl(typeProvider.nullType, NullState.NULL_STATE),
+ namedArgumentValues);
}
- } else if (constructor.name == "" && identical(definingClass, typeProvider.symbolType) && argumentCount == 1) {
- if (!_checkSymbolArguments(arguments, argumentValues, namedArgumentValues)) {
- errorReporter.reportErrorForNode(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION, node);
+ } else if (constructor.name == "" &&
+ identical(definingClass, typeProvider.symbolType) &&
+ argumentCount == 1) {
+ if (!_checkSymbolArguments(
+ arguments,
+ argumentValues,
+ namedArgumentValues)) {
+ errorReporter.reportErrorForNode(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION,
+ node);
return null;
}
String argumentValue = argumentValues[0].stringValue;
- return new DartObjectImpl(definingClass, new SymbolState(argumentValue));
- }
- // Either it's an external const factory constructor that we can't emulate, or an error
- // occurred (a cycle, or a const constructor trying to delegate to a non-const constructor).
- // In the former case, the best we can do is consider it an unknown value. In the latter
- // case, the error has already been reported, so considering it an unknown value will
- // suppress further errors.
+ return new DartObjectImpl(
+ definingClass,
+ new SymbolState(argumentValue));
+ }
+ // Either it's an external const factory constructor that we can't
+ // emulate, or an error occurred (a cycle, or a const constructor trying
+ // to delegate to a non-const constructor).
+ // In the former case, the best we can do is consider it an unknown value.
+ // In the latter case, the error has already been reported, so considering
+ // it an unknown value will suppress further errors.
return constantVisitor._validWithUnknownValue(definingClass);
}
beforeGetConstantInitializers(constructor);
- ConstructorElementImpl constructorBase = _getConstructorBase(constructor) as ConstructorElementImpl;
- List<ConstructorInitializer> initializers = constructorBase.constantInitializers;
+ ConstructorElementImpl constructorBase =
+ _getConstructorBase(constructor) as ConstructorElementImpl;
+ List<ConstructorInitializer> initializers =
+ constructorBase.constantInitializers;
if (initializers == null) {
- // This can happen in some cases where there are compile errors in the code being analyzed
- // (for example if the code is trying to create a const instance using a non-const
- // constructor, or the node we're visiting is involved in a cycle). The error has already
- // been reported, so consider it an unknown value to suppress further errors.
+ // This can happen in some cases where there are compile errors in the
+ // code being analyzed (for example if the code is trying to create a
+ // const instance using a non-const constructor, or the node we're
+ // visiting is involved in a cycle). The error has already been reported,
+ // so consider it an unknown value to suppress further errors.
return constantVisitor._validWithUnknownValue(definingClass);
}
- HashMap<String, DartObjectImpl> fieldMap = new HashMap<String, DartObjectImpl>();
- HashMap<String, DartObjectImpl> parameterMap = new HashMap<String, DartObjectImpl>();
+ HashMap<String, DartObjectImpl> fieldMap =
+ new HashMap<String, DartObjectImpl>();
+ HashMap<String, DartObjectImpl> parameterMap =
+ new HashMap<String, DartObjectImpl>();
List<ParameterElement> parameters = constructor.parameters;
int parameterCount = parameters.length;
for (int i = 0; i < parameterCount; i++) {
@@ -724,10 +825,11 @@ class ConstantValueComputer {
errorTarget = node;
}
if (argumentValue == null && baseParameter is ParameterElementImpl) {
- // The parameter is an optional positional parameter for which no value was provided, so
- // use the default value.
+ // The parameter is an optional positional parameter for which no value
+ // was provided, so use the default value.
beforeGetParameterDefault(baseParameter);
- EvaluationResultImpl evaluationResult = (baseParameter as ParameterElementImpl).evaluationResult;
+ EvaluationResultImpl evaluationResult =
+ (baseParameter as ParameterElementImpl).evaluationResult;
if (evaluationResult == null) {
// No default was provided, so the default value is null.
argumentValue = constantVisitor.null2;
@@ -766,14 +868,17 @@ class ConstantValueComputer {
}
}
}
- ConstantVisitor initializerVisitor = new ConstantVisitor.con2(typeProvider, parameterMap, errorReporter);
+ ConstantVisitor initializerVisitor =
+ new ConstantVisitor.con2(typeProvider, parameterMap, errorReporter);
String superName = null;
NodeList<Expression> superArguments = null;
for (ConstructorInitializer initializer in initializers) {
if (initializer is ConstructorFieldInitializer) {
ConstructorFieldInitializer constructorFieldInitializer = initializer;
- Expression initializerExpression = constructorFieldInitializer.expression;
- DartObjectImpl evaluationResult = initializerExpression.accept(initializerVisitor);
+ Expression initializerExpression =
+ constructorFieldInitializer.expression;
+ DartObjectImpl evaluationResult =
+ initializerExpression.accept(initializerVisitor);
if (evaluationResult != null) {
String fieldName = constructorFieldInitializer.fieldName.name;
fieldMap[fieldName] = evaluationResult;
@@ -783,7 +888,8 @@ class ConstantValueComputer {
if (!_runtimeTypeMatch(evaluationResult, field.type)) {
errorReporter.reportErrorForNode(
CheckedModeCompileTimeErrorCode.CONST_CONSTRUCTOR_FIELD_TYPE_MISMATCH,
- node, [evaluationResult.type, fieldName, field.type]);
+ node,
+ [evaluationResult.type, fieldName, field.type]);
}
}
}
@@ -800,28 +906,46 @@ class ConstantValueComputer {
ConstructorElement constructor = initializer.staticElement;
if (constructor != null && constructor.isConst) {
return _evaluateConstructorCall(
- node, initializer.argumentList.arguments, constructor,
- initializerVisitor, errorReporter);
+ node,
+ initializer.argumentList.arguments,
+ constructor,
+ initializerVisitor,
+ errorReporter);
}
}
}
// Evaluate explicit or implicit call to super().
InterfaceType superclass = definingClass.superclass;
if (superclass != null && !superclass.isObject) {
- ConstructorElement superConstructor = superclass.lookUpConstructor(superName, constructor.library);
+ ConstructorElement superConstructor =
+ superclass.lookUpConstructor(superName, constructor.library);
if (superConstructor != null) {
if (superArguments == null) {
superArguments = new NodeList<Expression>(null);
}
- _evaluateSuperConstructorCall(node, fieldMap, superConstructor, superArguments, initializerVisitor, errorReporter);
+ _evaluateSuperConstructorCall(
+ node,
+ fieldMap,
+ superConstructor,
+ superArguments,
+ initializerVisitor,
+ errorReporter);
}
}
return new DartObjectImpl(definingClass, new GenericState(fieldMap));
}
- void _evaluateSuperConstructorCall(AstNode node, HashMap<String, DartObjectImpl> fieldMap, ConstructorElement superConstructor, NodeList<Expression> superArguments, ConstantVisitor initializerVisitor, ErrorReporter errorReporter) {
+ void _evaluateSuperConstructorCall(AstNode node, HashMap<String,
+ DartObjectImpl> fieldMap, ConstructorElement superConstructor,
+ NodeList<Expression> superArguments, ConstantVisitor initializerVisitor,
+ ErrorReporter errorReporter) {
if (superConstructor != null && superConstructor.isConst) {
- DartObjectImpl evaluationResult = _evaluateConstructorCall(node, superArguments, superConstructor, initializerVisitor, errorReporter);
+ DartObjectImpl evaluationResult = _evaluateConstructorCall(
+ node,
+ superArguments,
+ superConstructor,
+ initializerVisitor,
+ errorReporter);
if (evaluationResult != null) {
fieldMap[GenericState.SUPERCLASS_FIELD] = evaluationResult;
}
@@ -837,30 +961,38 @@ class ConstantValueComputer {
* is encountered), the chain will be followed as far as possible and then a const factory
* constructor will be returned.
*/
- ConstructorElement _followConstantRedirectionChain(ConstructorElement constructor) {
- HashSet<ConstructorElement> constructorsVisited = new HashSet<ConstructorElement>();
+ ConstructorElement
+ _followConstantRedirectionChain(ConstructorElement constructor) {
+ HashSet<ConstructorElement> constructorsVisited =
+ new HashSet<ConstructorElement>();
while (constructor.isFactory) {
- if (identical(constructor.enclosingElement.type, typeProvider.symbolType)) {
- // The dart:core.Symbol has a const factory constructor that redirects to
- // dart:_internal.Symbol. That in turn redirects to an external const constructor, which
- // we won't be able to evaluate. So stop following the chain of redirections at
- // dart:core.Symbol, and let [evaluateInstanceCreationExpression] handle it specially.
+ if (identical(
+ constructor.enclosingElement.type,
+ typeProvider.symbolType)) {
+ // The dart:core.Symbol has a const factory constructor that redirects
+ // to dart:_internal.Symbol. That in turn redirects to an external
+ // const constructor, which we won't be able to evaluate.
+ // So stop following the chain of redirections at dart:core.Symbol, and
+ // let [evaluateInstanceCreationExpression] handle it specially.
break;
}
constructorsVisited.add(constructor);
- ConstructorElement redirectedConstructor = constructor.redirectedConstructor;
+ ConstructorElement redirectedConstructor =
+ constructor.redirectedConstructor;
if (redirectedConstructor == null) {
// This can happen if constructor is an external factory constructor.
break;
}
if (!redirectedConstructor.isConst) {
// Delegating to a non-const constructor--this is not allowed (and
- // is checked elsewhere--see [ErrorVerifier.checkForRedirectToNonConstConstructor()]).
+ // is checked elsewhere--see
+ // [ErrorVerifier.checkForRedirectToNonConstConstructor()]).
break;
}
if (constructorsVisited.contains(redirectedConstructor)) {
// Cycle in redirecting factory constructors--this is not allowed
- // and is checked elsewhere--see [ErrorVerifier.checkForRecursiveFactoryRedirect()]).
+ // and is checked elsewhere--see
+ // [ErrorVerifier.checkForRecursiveFactoryRedirect()]).
break;
}
constructor = redirectedConstructor;
@@ -900,6 +1032,15 @@ class ConstantValueComputer {
}
return obj.type.isSubtypeOf(type);
}
+
+ /**
+ * Determine whether the given string is a valid name for a public symbol (i.e. whether it is
+ * allowed for a call to the Symbol constructor).
+ */
+ static bool isValidPublicSymbol(String name) =>
+ name.isEmpty ||
+ name == "void" ||
+ new JavaPatternMatcher(_PUBLIC_SYMBOL_PATTERN, name).matches();
}
/**
@@ -914,13 +1055,24 @@ class ConstantValueComputer_InitializerCloner extends AstCloner {
ConstantValueComputer_InitializerCloner() : super(true);
@override
- InstanceCreationExpression visitInstanceCreationExpression(InstanceCreationExpression node) {
- InstanceCreationExpression expression = super.visitInstanceCreationExpression(node);
+ InstanceCreationExpression
+ visitInstanceCreationExpression(InstanceCreationExpression node) {
+ InstanceCreationExpression expression =
+ super.visitInstanceCreationExpression(node);
expression.evaluationResult = node.evaluationResult;
return expression;
}
@override
+ RedirectingConstructorInvocation
+ visitRedirectingConstructorInvocation(RedirectingConstructorInvocation node) {
+ RedirectingConstructorInvocation invocation =
+ super.visitRedirectingConstructorInvocation(node);
+ invocation.staticElement = node.staticElement;
+ return invocation;
+ }
+
+ @override
SimpleIdentifier visitSimpleIdentifier(SimpleIdentifier node) {
SimpleIdentifier identifier = super.visitSimpleIdentifier(node);
identifier.staticElement = node.staticElement;
@@ -928,17 +1080,10 @@ class ConstantValueComputer_InitializerCloner extends AstCloner {
}
@override
- SuperConstructorInvocation visitSuperConstructorInvocation(SuperConstructorInvocation node) {
- SuperConstructorInvocation invocation = super.visitSuperConstructorInvocation(node);
- invocation.staticElement = node.staticElement;
- return invocation;
- }
-
- @override
- RedirectingConstructorInvocation visitRedirectingConstructorInvocation(
- RedirectingConstructorInvocation node) {
- RedirectingConstructorInvocation invocation =
- super.visitRedirectingConstructorInvocation(node);
+ SuperConstructorInvocation
+ visitSuperConstructorInvocation(SuperConstructorInvocation node) {
+ SuperConstructorInvocation invocation =
+ super.visitSuperConstructorInvocation(node);
invocation.staticElement = node.staticElement;
return invocation;
}
@@ -1019,7 +1164,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
*/
ConstantVisitor.con1(this._typeProvider, this._errorReporter) {
this._lexicalEnvironment = null;
- this._dartObjectComputer = new DartObjectComputer(_errorReporter, _typeProvider);
+ this._dartObjectComputer =
+ new DartObjectComputer(_errorReporter, _typeProvider);
}
/**
@@ -1029,9 +1175,31 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
* @param lexicalEnvironment values which should override simpleIdentifiers, or null if no
* overriding is necessary.
*/
- ConstantVisitor.con2(this._typeProvider, HashMap<String, DartObjectImpl> lexicalEnvironment, this._errorReporter) {
+ ConstantVisitor.con2(this._typeProvider, HashMap<String,
+ DartObjectImpl> lexicalEnvironment, this._errorReporter) {
this._lexicalEnvironment = lexicalEnvironment;
- this._dartObjectComputer = new DartObjectComputer(_errorReporter, _typeProvider);
+ this._dartObjectComputer =
+ new DartObjectComputer(_errorReporter, _typeProvider);
+ }
+
+ /**
+ * Return an object representing the value 'null'.
+ *
+ * @return an object representing the value 'null'
+ */
+ DartObjectImpl get null2 {
+ if (_nullObject == null) {
+ _nullObject =
+ new DartObjectImpl(_typeProvider.nullType, NullState.NULL_STATE);
+ }
+ return _nullObject;
+ }
+
+ /**
+ * This method is called just before retrieving an evaluation result from an AST node. Unit tests
+ * will override it to introduce additional error checking.
+ */
+ void beforeGetEvaluationResult(AstNode node) {
}
@override
@@ -1041,7 +1209,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
if (result == null) {
result = string.accept(this);
} else {
- result = _dartObjectComputer.concatenate(node, result, string.accept(this));
+ result =
+ _dartObjectComputer.concatenate(node, result, string.accept(this));
}
}
return result;
@@ -1054,7 +1223,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
TokenType operatorType = node.operator.type;
// 'null' is almost never good operand
if (operatorType != TokenType.BANG_EQ && operatorType != TokenType.EQ_EQ) {
- if (leftResult != null && leftResult.isNull || rightResult != null && rightResult.isNull) {
+ if (leftResult != null && leftResult.isNull ||
+ rightResult != null && rightResult.isNull) {
_error(node, CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
return null;
}
@@ -1078,13 +1248,19 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
} else if (operatorType == TokenType.GT) {
return _dartObjectComputer.greaterThan(node, leftResult, rightResult);
} else if (operatorType == TokenType.GT_EQ) {
- return _dartObjectComputer.greaterThanOrEqual(node, leftResult, rightResult);
+ return _dartObjectComputer.greaterThanOrEqual(
+ node,
+ leftResult,
+ rightResult);
} else if (operatorType == TokenType.GT_GT) {
return _dartObjectComputer.shiftRight(node, leftResult, rightResult);
} else if (operatorType == TokenType.LT) {
return _dartObjectComputer.lessThan(node, leftResult, rightResult);
} else if (operatorType == TokenType.LT_EQ) {
- return _dartObjectComputer.lessThanOrEqual(node, leftResult, rightResult);
+ return _dartObjectComputer.lessThanOrEqual(
+ node,
+ leftResult,
+ rightResult);
} else if (operatorType == TokenType.LT_LT) {
return _dartObjectComputer.shiftLeft(node, leftResult, rightResult);
} else if (operatorType == TokenType.MINUS) {
@@ -1109,7 +1285,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
@override
- DartObjectImpl visitBooleanLiteral(BooleanLiteral node) => new DartObjectImpl(_typeProvider.boolType, BoolState.from(node.value));
+ DartObjectImpl visitBooleanLiteral(BooleanLiteral node) =>
+ new DartObjectImpl(_typeProvider.boolType, BoolState.from(node.value));
@override
DartObjectImpl visitConditionalExpression(ConditionalExpression node) {
@@ -1120,14 +1297,17 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
if (conditionResult == null) {
return conditionResult;
} else if (!conditionResult.isBool) {
- _errorReporter.reportErrorForNode(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL, condition);
+ _errorReporter.reportErrorForNode(
+ CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL,
+ condition);
return null;
} else if (thenResult == null) {
return thenResult;
} else if (elseResult == null) {
return elseResult;
}
- conditionResult = _dartObjectComputer.applyBooleanConversion(condition, conditionResult);
+ conditionResult =
+ _dartObjectComputer.applyBooleanConversion(condition, conditionResult);
if (conditionResult == null) {
return conditionResult;
}
@@ -1138,14 +1318,17 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
ParameterizedType thenType = thenResult.type;
ParameterizedType elseType = elseResult.type;
- return _validWithUnknownValue(thenType.getLeastUpperBound(elseType) as InterfaceType);
+ return _validWithUnknownValue(
+ thenType.getLeastUpperBound(elseType) as InterfaceType);
}
@override
- DartObjectImpl visitDoubleLiteral(DoubleLiteral node) => new DartObjectImpl(_typeProvider.doubleType, new DoubleState(node.value));
+ DartObjectImpl visitDoubleLiteral(DoubleLiteral node) =>
+ new DartObjectImpl(_typeProvider.doubleType, new DoubleState(node.value));
@override
- DartObjectImpl visitInstanceCreationExpression(InstanceCreationExpression node) {
+ DartObjectImpl
+ visitInstanceCreationExpression(InstanceCreationExpression node) {
if (!node.isConst) {
// TODO(brianwilkerson) Figure out which error to report.
_error(node, null);
@@ -1162,7 +1345,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
@override
- DartObjectImpl visitIntegerLiteral(IntegerLiteral node) => new DartObjectImpl(_typeProvider.intType, new IntState(node.value));
+ DartObjectImpl visitIntegerLiteral(IntegerLiteral node) =>
+ new DartObjectImpl(_typeProvider.intType, new IntState(node.value));
@override
DartObjectImpl visitInterpolationExpression(InterpolationExpression node) {
@@ -1175,12 +1359,15 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
@override
- DartObjectImpl visitInterpolationString(InterpolationString node) => new DartObjectImpl(_typeProvider.stringType, new StringState(node.value));
+ DartObjectImpl visitInterpolationString(InterpolationString node) =>
+ new DartObjectImpl(_typeProvider.stringType, new StringState(node.value));
@override
DartObjectImpl visitListLiteral(ListLiteral node) {
if (node.constKeyword == null) {
- _errorReporter.reportErrorForNode(CompileTimeErrorCode.MISSING_CONST_IN_LIST_LITERAL, node);
+ _errorReporter.reportErrorForNode(
+ CompileTimeErrorCode.MISSING_CONST_IN_LIST_LITERAL,
+ node);
return null;
}
bool errorOccurred = false;
@@ -1197,7 +1384,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
return null;
}
DartType elementType = _typeProvider.dynamicType;
- if (node.typeArguments != null && node.typeArguments.arguments.length == 1) {
+ if (node.typeArguments != null &&
+ node.typeArguments.arguments.length == 1) {
DartType type = node.typeArguments.arguments[0].type;
if (type != null) {
elementType = type;
@@ -1210,11 +1398,14 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
@override
DartObjectImpl visitMapLiteral(MapLiteral node) {
if (node.constKeyword == null) {
- _errorReporter.reportErrorForNode(CompileTimeErrorCode.MISSING_CONST_IN_MAP_LITERAL, node);
+ _errorReporter.reportErrorForNode(
+ CompileTimeErrorCode.MISSING_CONST_IN_MAP_LITERAL,
+ node);
return null;
}
bool errorOccurred = false;
- HashMap<DartObjectImpl, DartObjectImpl> map = new HashMap<DartObjectImpl, DartObjectImpl>();
+ HashMap<DartObjectImpl, DartObjectImpl> map =
+ new HashMap<DartObjectImpl, DartObjectImpl>();
for (MapLiteralEntry entry in node.entries) {
DartObjectImpl keyResult = entry.key.accept(this);
DartObjectImpl valueResult = entry.value.accept(this);
@@ -1229,7 +1420,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
DartType keyType = _typeProvider.dynamicType;
DartType valueType = _typeProvider.dynamicType;
- if (node.typeArguments != null && node.typeArguments.arguments.length == 2) {
+ if (node.typeArguments != null &&
+ node.typeArguments.arguments.length == 2) {
DartType keyTypeCandidate = node.typeArguments.arguments[0].type;
if (keyTypeCandidate != null) {
keyType = keyTypeCandidate;
@@ -1239,8 +1431,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
valueType = valueTypeCandidate;
}
}
- InterfaceType mapType = _typeProvider.mapType.substitute4(
- [keyType, valueType]);
+ InterfaceType mapType =
+ _typeProvider.mapType.substitute4([keyType, valueType]);
return new DartObjectImpl(mapType, new MapState(map));
}
@@ -1258,7 +1450,9 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
if (library.isDartCore) {
DartObjectImpl leftArgument = arguments[0].accept(this);
DartObjectImpl rightArgument = arguments[1].accept(this);
- return _dartObjectComputer.isIdentical(node, leftArgument,
+ return _dartObjectComputer.isIdentical(
+ node,
+ leftArgument,
rightArgument);
}
}
@@ -1271,7 +1465,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
@override
- DartObjectImpl visitNamedExpression(NamedExpression node) => node.expression.accept(this);
+ DartObjectImpl visitNamedExpression(NamedExpression node) =>
+ node.expression.accept(this);
@override
DartObjectImpl visitNode(AstNode node) {
@@ -1284,11 +1479,13 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
DartObjectImpl visitNullLiteral(NullLiteral node) => null2;
@override
- DartObjectImpl visitParenthesizedExpression(ParenthesizedExpression node) => node.expression.accept(this);
+ DartObjectImpl visitParenthesizedExpression(ParenthesizedExpression node) =>
+ node.expression.accept(this);
@override
DartObjectImpl visitPrefixedIdentifier(PrefixedIdentifier node) {
- // TODO(brianwilkerson) Uncomment the lines below when the new constant support can be added.
+ // TODO(brianwilkerson) Uncomment the lines below when the new constant
+ // support can be added.
// Element element = node.getStaticElement();
// if (isStringLength(element)) {
// EvaluationResultImpl target = node.getPrefix().accept(this);
@@ -1333,7 +1530,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
@override
DartObjectImpl visitPropertyAccess(PropertyAccess node) {
Element element = node.propertyName.staticElement;
- // TODO(brianwilkerson) Uncomment the lines below when the new constant support can be added.
+ // TODO(brianwilkerson) Uncomment the lines below when the new constant
+ // support can be added.
// if (isStringLength(element)) {
// EvaluationResultImpl target = node.getRealTarget().accept(this);
// return target.stringLength(typeProvider, node);
@@ -1343,14 +1541,16 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
@override
DartObjectImpl visitSimpleIdentifier(SimpleIdentifier node) {
- if (_lexicalEnvironment != null && _lexicalEnvironment.containsKey(node.name)) {
+ if (_lexicalEnvironment != null &&
+ _lexicalEnvironment.containsKey(node.name)) {
return _lexicalEnvironment[node.name];
}
return _getConstantValue(node, node.staticElement);
}
@override
- DartObjectImpl visitSimpleStringLiteral(SimpleStringLiteral node) => new DartObjectImpl(_typeProvider.stringType, new StringState(node.value));
+ DartObjectImpl visitSimpleStringLiteral(SimpleStringLiteral node) =>
+ new DartObjectImpl(_typeProvider.stringType, new StringState(node.value));
@override
DartObjectImpl visitStringInterpolation(StringInterpolation node) {
@@ -1361,7 +1561,8 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
result = element.accept(this);
first = false;
} else {
- result = _dartObjectComputer.concatenate(node, result, element.accept(this));
+ result =
+ _dartObjectComputer.concatenate(node, result, element.accept(this));
}
}
return result;
@@ -1377,57 +1578,9 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
}
buffer.write(components[i].lexeme);
}
- return new DartObjectImpl(_typeProvider.symbolType, new SymbolState(buffer.toString()));
- }
-
- /**
- * This method is called just before retrieving an evaluation result from an AST node. Unit tests
- * will override it to introduce additional error checking.
- */
- void beforeGetEvaluationResult(AstNode node) {
- }
-
- /**
- * Return an object representing the value 'null'.
- *
- * @return an object representing the value 'null'
- */
- DartObjectImpl get null2 {
- if (_nullObject == null) {
- _nullObject = new DartObjectImpl(_typeProvider.nullType, NullState.NULL_STATE);
- }
- return _nullObject;
- }
-
- DartObjectImpl _validWithUnknownValue(InterfaceType type) {
- if (type.element.library.isDartCore) {
- String typeName = type.name;
- if (typeName == "bool") {
- return new DartObjectImpl(type, BoolState.UNKNOWN_VALUE);
- } else if (typeName == "double") {
- return new DartObjectImpl(type, DoubleState.UNKNOWN_VALUE);
- } else if (typeName == "int") {
- return new DartObjectImpl(type, IntState.UNKNOWN_VALUE);
- } else if (typeName == "String") {
- return new DartObjectImpl(type, StringState.UNKNOWN_VALUE);
- }
- }
- return new DartObjectImpl(type, GenericState.UNKNOWN_VALUE);
- }
-
- /**
- * Return the value of the given expression, or a representation of 'null' if the expression
- * cannot be evaluated.
- *
- * @param expression the expression whose value is to be returned
- * @return the value of the given expression
- */
- DartObjectImpl _valueOf(Expression expression) {
- DartObjectImpl expressionValue = expression.accept(this);
- if (expressionValue != null) {
- return expressionValue;
- }
- return null2;
+ return new DartObjectImpl(
+ _typeProvider.symbolType,
+ new SymbolState(buffer.toString()));
}
/**
@@ -1437,7 +1590,9 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
* @param code the error code indicating the nature of the error
*/
void _error(AstNode node, ErrorCode code) {
- _errorReporter.reportErrorForNode(code == null ? CompileTimeErrorCode.INVALID_CONSTANT : code, node);
+ _errorReporter.reportErrorForNode(
+ code == null ? CompileTimeErrorCode.INVALID_CONSTANT : code,
+ node);
}
/**
@@ -1474,6 +1629,37 @@ class ConstantVisitor extends UnifyingAstVisitor<DartObjectImpl> {
_error(node, null);
return null;
}
+
+ DartObjectImpl _validWithUnknownValue(InterfaceType type) {
+ if (type.element.library.isDartCore) {
+ String typeName = type.name;
+ if (typeName == "bool") {
+ return new DartObjectImpl(type, BoolState.UNKNOWN_VALUE);
+ } else if (typeName == "double") {
+ return new DartObjectImpl(type, DoubleState.UNKNOWN_VALUE);
+ } else if (typeName == "int") {
+ return new DartObjectImpl(type, IntState.UNKNOWN_VALUE);
+ } else if (typeName == "String") {
+ return new DartObjectImpl(type, StringState.UNKNOWN_VALUE);
+ }
+ }
+ return new DartObjectImpl(type, GenericState.UNKNOWN_VALUE);
+ }
+
+ /**
+ * Return the value of the given expression, or a representation of 'null' if the expression
+ * cannot be evaluated.
+ *
+ * @param expression the expression whose value is to be returned
+ * @return the value of the given expression
+ */
+ DartObjectImpl _valueOf(Expression expression) {
+ DartObjectImpl expressionValue = expression.accept(this);
+ if (expressionValue != null) {
+ return expressionValue;
+ }
+ return null2;
+ }
}
/**
@@ -1498,64 +1684,64 @@ abstract class DartObject {
double get doubleValue;
/**
- * Return the integer value of this object, or `null` if either the value of this object is
- * not known or this object is not of type 'int'.
+ * Return `true` if this object's value can be represented exactly.
*
- * @return the integer value of this object
+ * @return `true` if this object's value can be represented exactly
*/
- int get intValue;
+ bool get hasExactValue;
/**
- * Return the string value of this object, or `null` if either the value of this object is
- * not known or this object is not of type 'String'.
+ * Return the integer value of this object, or `null` if either the value of this object is
+ * not known or this object is not of type 'int'.
*
- * @return the string value of this object
+ * @return the integer value of this object
*/
- String get stringValue;
+ int get intValue;
/**
- * Return the run-time type of this object.
+ * Return `true` if this object represents the value 'false'.
*
- * @return the run-time type of this object
+ * @return `true` if this object represents the value 'false'
*/
- ParameterizedType get type;
+ bool get isFalse;
/**
- * Return this object's value if it can be represented exactly, or `null` if either the
- * value cannot be represented exactly or if the value is `null`. Clients should use
- * [hasExactValue] to distinguish between these two cases.
+ * Return `true` if this object represents the value 'null'.
*
- * @return this object's value
+ * @return `true` if this object represents the value 'null'
*/
- Object get value;
+ bool get isNull;
/**
- * Return `true` if this object's value can be represented exactly.
+ * Return `true` if this object represents the value 'true'.
*
- * @return `true` if this object's value can be represented exactly
+ * @return `true` if this object represents the value 'true'
*/
- bool get hasExactValue;
+ bool get isTrue;
/**
- * Return `true` if this object represents the value 'false'.
+ * Return the string value of this object, or `null` if either the value of this object is
+ * not known or this object is not of type 'String'.
*
- * @return `true` if this object represents the value 'false'
+ * @return the string value of this object
*/
- bool get isFalse;
+ String get stringValue;
/**
- * Return `true` if this object represents the value 'null'.
+ * Return the run-time type of this object.
*
- * @return `true` if this object represents the value 'null'
+ * @return the run-time type of this object
*/
- bool get isNull;
+ ParameterizedType get type;
/**
- * Return `true` if this object represents the value 'true'.
+ * Return this object's value if it can be represented exactly, or `null` if either the
+ * value cannot be represented exactly or if the value is `null`. Clients should use
+ * [hasExactValue] to distinguish between these two cases.
*
- * @return `true` if this object represents the value 'true'
+ * @return this object's value
*/
- bool get isTrue;
+ Object get value;
}
/**
@@ -1576,7 +1762,8 @@ class DartObjectComputer {
DartObjectComputer(this._errorReporter, this._typeProvider);
- DartObjectImpl add(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl add(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.add(_typeProvider, rightOperand);
@@ -1594,7 +1781,8 @@ class DartObjectComputer {
* @param node the node against which errors should be reported
* @return the result of applying boolean conversion to the given value
*/
- DartObjectImpl applyBooleanConversion(AstNode node, DartObjectImpl evaluationResult) {
+ DartObjectImpl applyBooleanConversion(AstNode node,
+ DartObjectImpl evaluationResult) {
if (evaluationResult != null) {
try {
return evaluationResult.convertToBool(_typeProvider);
@@ -1605,7 +1793,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl bitAnd(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl bitAnd(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.bitAnd(_typeProvider, rightOperand);
@@ -1627,7 +1816,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl bitOr(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl bitOr(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.bitOr(_typeProvider, rightOperand);
@@ -1638,7 +1828,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl bitXor(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl bitXor(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.bitXor(_typeProvider, rightOperand);
@@ -1649,7 +1840,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl concatenate(Expression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl concatenate(Expression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.concatenate(_typeProvider, rightOperand);
@@ -1660,7 +1852,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl divide(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl divide(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.divide(_typeProvider, rightOperand);
@@ -1671,7 +1864,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl equalEqual(Expression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl equalEqual(Expression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.equalEqual(_typeProvider, rightOperand);
@@ -1682,7 +1876,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl greaterThan(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl greaterThan(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.greaterThan(_typeProvider, rightOperand);
@@ -1693,7 +1888,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl greaterThanOrEqual(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl greaterThanOrEqual(BinaryExpression node,
+ DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.greaterThanOrEqual(_typeProvider, rightOperand);
@@ -1704,7 +1900,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl integerDivide(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl integerDivide(BinaryExpression node,
+ DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.integerDivide(_typeProvider, rightOperand);
@@ -1716,7 +1913,7 @@ class DartObjectComputer {
}
DartObjectImpl isIdentical(Expression node, DartObjectImpl leftOperand,
- DartObjectImpl rightOperand) {
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.isIdentical(_typeProvider, rightOperand);
@@ -1727,7 +1924,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl lessThan(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl lessThan(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.lessThan(_typeProvider, rightOperand);
@@ -1738,7 +1936,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl lessThanOrEqual(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl lessThanOrEqual(BinaryExpression node,
+ DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.lessThanOrEqual(_typeProvider, rightOperand);
@@ -1749,7 +1948,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl logicalAnd(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl logicalAnd(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.logicalAnd(_typeProvider, rightOperand);
@@ -1771,7 +1971,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl logicalOr(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl logicalOr(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.logicalOr(_typeProvider, rightOperand);
@@ -1782,7 +1983,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl minus(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl minus(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.minus(_typeProvider, rightOperand);
@@ -1804,7 +2006,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl notEqual(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl notEqual(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.notEqual(_typeProvider, rightOperand);
@@ -1815,7 +2018,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl performToString(AstNode node, DartObjectImpl evaluationResult) {
+ DartObjectImpl performToString(AstNode node,
+ DartObjectImpl evaluationResult) {
if (evaluationResult != null) {
try {
return evaluationResult.performToString(_typeProvider);
@@ -1826,7 +2030,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl remainder(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl remainder(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.remainder(_typeProvider, rightOperand);
@@ -1837,7 +2042,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl shiftLeft(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl shiftLeft(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.shiftLeft(_typeProvider, rightOperand);
@@ -1848,7 +2054,8 @@ class DartObjectComputer {
return null;
}
- DartObjectImpl shiftRight(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl shiftRight(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.shiftRight(_typeProvider, rightOperand);
@@ -1865,10 +2072,12 @@ class DartObjectComputer {
* @param node the node against which errors should be reported
* @return the result of invoking the 'length' getter on this result
*/
- EvaluationResultImpl stringLength(Expression node, EvaluationResultImpl evaluationResult) {
+ EvaluationResultImpl stringLength(Expression node,
+ EvaluationResultImpl evaluationResult) {
if (evaluationResult.value != null) {
try {
- return new EvaluationResultImpl.con1(evaluationResult.value.stringLength(_typeProvider));
+ return new EvaluationResultImpl.con1(
+ evaluationResult.value.stringLength(_typeProvider));
} on EvaluationException catch (exception) {
_errorReporter.reportErrorForNode(exception.errorCode, node);
}
@@ -1876,7 +2085,8 @@ class DartObjectComputer {
return new EvaluationResultImpl.con1(null);
}
- DartObjectImpl times(BinaryExpression node, DartObjectImpl leftOperand, DartObjectImpl rightOperand) {
+ DartObjectImpl times(BinaryExpression node, DartObjectImpl leftOperand,
+ DartObjectImpl rightOperand) {
if (leftOperand != null && rightOperand != null) {
try {
return leftOperand.times(_typeProvider, rightOperand);
@@ -1893,6 +2103,11 @@ class DartObjectComputer {
*/
class DartObjectImpl implements DartObject {
/**
+ * An empty list of objects.
+ */
+ static const List<DartObjectImpl> EMPTY_LIST = const <DartObjectImpl>[];
+
+ /**
* The run-time type of this object.
*/
final ParameterizedType type;
@@ -1903,11 +2118,6 @@ class DartObjectImpl implements DartObject {
final InstanceState _state;
/**
- * An empty list of objects.
- */
- static const List<DartObjectImpl> EMPTY_LIST = const <DartObjectImpl>[];
-
- /**
* Initialize a newly created object to have the given type and state.
*
* @param type the run-time type of this object
@@ -1915,6 +2125,97 @@ class DartObjectImpl implements DartObject {
*/
DartObjectImpl(this.type, this._state);
+ @override
+ bool get boolValue {
+ if (_state is BoolState) {
+ return (_state as BoolState).value;
+ }
+ return null;
+ }
+
+ @override
+ double get doubleValue {
+ if (_state is DoubleState) {
+ return (_state as DoubleState).value;
+ }
+ return null;
+ }
+
+ HashMap<String, DartObjectImpl> get fields => _state.fields;
+
+ @override
+ bool get hasExactValue => _state.hasExactValue;
+
+ @override
+ int get hashCode =>
+ ObjectUtilities.combineHashCodes(type.hashCode, _state.hashCode);
+
+ @override
+ int get intValue {
+ if (_state is IntState) {
+ return (_state as IntState).value;
+ }
+ return null;
+ }
+
+ /**
+ * Return `true` if this object represents an object whose type is 'bool'.
+ *
+ * @return `true` if this object represents a boolean value
+ */
+ bool get isBool => _state.isBool;
+
+ /**
+ * Return `true` if this object represents an object whose type is either 'bool', 'num',
+ * 'String', or 'Null'.
+ *
+ * @return `true` if this object represents either a boolean, numeric, string or null value
+ */
+ bool get isBoolNumStringOrNull => _state.isBoolNumStringOrNull;
+
+ @override
+ bool get isFalse =>
+ _state is BoolState && identical((_state as BoolState).value, false);
+
+ @override
+ bool get isNull => _state is NullState;
+
+ @override
+ bool get isTrue =>
+ _state is BoolState && identical((_state as BoolState).value, true);
+
+ /**
+ * Return true if this object represents an unknown value.
+ */
+ bool get isUnknown => _state.isUnknown;
+
+ /**
+ * Return `true` if this object represents an instance of a user-defined class.
+ *
+ * @return `true` if this object represents an instance of a user-defined class
+ */
+ bool get isUserDefinedObject => _state is GenericState;
+
+ @override
+ String get stringValue {
+ if (_state is StringState) {
+ return (_state as StringState).value;
+ }
+ return null;
+ }
+
+ @override
+ Object get value => _state.value;
+
+ @override
+ bool operator ==(Object object) {
+ if (object is! DartObjectImpl) {
+ return false;
+ }
+ DartObjectImpl dartObject = object as DartObjectImpl;
+ return type == dartObject.type && _state == dartObject._state;
+ }
+
/**
* Return the result of invoking the '+' operator on this object with the given argument.
*
@@ -1946,7 +2247,9 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl bitAnd(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.bitAnd(rightOperand._state));
+ DartObjectImpl bitAnd(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(typeProvider.intType, _state.bitAnd(rightOperand._state));
/**
* Return the result of invoking the '~' operator on this object.
@@ -1955,7 +2258,8 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '~' operator on this object
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl bitNot(TypeProvider typeProvider) => new DartObjectImpl(typeProvider.intType, _state.bitNot());
+ DartObjectImpl bitNot(TypeProvider typeProvider) =>
+ new DartObjectImpl(typeProvider.intType, _state.bitNot());
/**
* Return the result of invoking the '|' operator on this object with the given argument.
@@ -1965,7 +2269,9 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '|' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl bitOr(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.bitOr(rightOperand._state));
+ DartObjectImpl bitOr(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(typeProvider.intType, _state.bitOr(rightOperand._state));
/**
* Return the result of invoking the '^' operator on this object with the given argument.
@@ -1975,7 +2281,9 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '^' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl bitXor(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.bitXor(rightOperand._state));
+ DartObjectImpl bitXor(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(typeProvider.intType, _state.bitXor(rightOperand._state));
/**
* Return the result of invoking the ' ' operator on this object with the given argument.
@@ -1985,7 +2293,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the ' ' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl concatenate(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.stringType, _state.concatenate(rightOperand._state));
+ DartObjectImpl concatenate(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.stringType,
+ _state.concatenate(rightOperand._state));
/**
* Return the result of applying boolean conversion to this object.
@@ -2010,7 +2322,8 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '/' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl divide(TypeProvider typeProvider, DartObjectImpl rightOperand) {
+ DartObjectImpl divide(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) {
InstanceState result = _state.divide(rightOperand._state);
if (result is IntState) {
return new DartObjectImpl(typeProvider.intType, result);
@@ -2031,62 +2344,26 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '==' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl equalEqual(TypeProvider typeProvider, DartObjectImpl rightOperand) {
+ DartObjectImpl equalEqual(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) {
if (type != rightOperand.type) {
String typeName = type.name;
- if (!(typeName == "bool" || typeName == "double" || typeName == "int" || typeName == "num" || typeName == "String" || typeName == "Null" || type.isDynamic)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING);
+ if (!(typeName == "bool" ||
+ typeName == "double" ||
+ typeName == "int" ||
+ typeName == "num" ||
+ typeName == "String" ||
+ typeName == "Null" ||
+ type.isDynamic)) {
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING);
}
}
- return new DartObjectImpl(typeProvider.boolType, _state.equalEqual(rightOperand._state));
- }
-
- @override
- bool operator ==(Object object) {
- if (object is! DartObjectImpl) {
- return false;
- }
- DartObjectImpl dartObject = object as DartObjectImpl;
- return type == dartObject.type && _state == dartObject._state;
- }
-
- @override
- bool get boolValue {
- if (_state is BoolState) {
- return (_state as BoolState).value;
- }
- return null;
- }
-
- @override
- double get doubleValue {
- if (_state is DoubleState) {
- return (_state as DoubleState).value;
- }
- return null;
- }
-
- HashMap<String, DartObjectImpl> get fields => _state.fields;
-
- @override
- int get intValue {
- if (_state is IntState) {
- return (_state as IntState).value;
- }
- return null;
- }
-
- @override
- String get stringValue {
- if (_state is StringState) {
- return (_state as StringState).value;
- }
- return null;
+ return new DartObjectImpl(
+ typeProvider.boolType,
+ _state.equalEqual(rightOperand._state));
}
- @override
- Object get value => _state.value;
-
/**
* Return the result of invoking the '&gt;' operator on this object with the given argument.
*
@@ -2095,7 +2372,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&gt;' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl greaterThan(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.greaterThan(rightOperand._state));
+ DartObjectImpl greaterThan(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.boolType,
+ _state.greaterThan(rightOperand._state));
/**
* Return the result of invoking the '&gt;=' operator on this object with the given argument.
@@ -2105,13 +2386,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&gt;=' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl greaterThanOrEqual(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.greaterThanOrEqual(rightOperand._state));
-
- @override
- bool get hasExactValue => _state.hasExactValue;
-
- @override
- int get hashCode => ObjectUtilities.combineHashCodes(type.hashCode, _state.hashCode);
+ DartObjectImpl greaterThanOrEqual(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.boolType,
+ _state.greaterThanOrEqual(rightOperand._state));
/**
* Return the result of invoking the '~/' operator on this object with the given argument.
@@ -2121,7 +2400,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '~/' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl integerDivide(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.integerDivide(rightOperand._state));
+ DartObjectImpl integerDivide(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.intType,
+ _state.integerDivide(rightOperand._state));
/**
* Return the result of invoking the identical function on this object with
@@ -2133,48 +2416,13 @@ class DartObjectImpl implements DartObject {
* the given argument
*/
DartObjectImpl isIdentical(TypeProvider typeProvider,
- DartObjectImpl rightOperand) {
- return new DartObjectImpl(typeProvider.boolType,
+ DartObjectImpl rightOperand) {
+ return new DartObjectImpl(
+ typeProvider.boolType,
_state.isIdentical(rightOperand._state));
}
/**
- * Return `true` if this object represents an object whose type is 'bool'.
- *
- * @return `true` if this object represents a boolean value
- */
- bool get isBool => _state.isBool;
-
- /**
- * Return `true` if this object represents an object whose type is either 'bool', 'num',
- * 'String', or 'Null'.
- *
- * @return `true` if this object represents either a boolean, numeric, string or null value
- */
- bool get isBoolNumStringOrNull => _state.isBoolNumStringOrNull;
-
- @override
- bool get isFalse => _state is BoolState && identical((_state as BoolState).value, false);
-
- @override
- bool get isNull => _state is NullState;
-
- @override
- bool get isTrue => _state is BoolState && identical((_state as BoolState).value, true);
-
- /**
- * Return true if this object represents an unknown value.
- */
- bool get isUnknown => _state.isUnknown;
-
- /**
- * Return `true` if this object represents an instance of a user-defined class.
- *
- * @return `true` if this object represents an instance of a user-defined class
- */
- bool get isUserDefinedObject => _state is GenericState;
-
- /**
* Return the result of invoking the '&lt;' operator on this object with the given argument.
*
* @param typeProvider the type provider used to find known types
@@ -2182,7 +2430,9 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&lt;' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl lessThan(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.lessThan(rightOperand._state));
+ DartObjectImpl lessThan(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(typeProvider.boolType, _state.lessThan(rightOperand._state));
/**
* Return the result of invoking the '&lt;=' operator on this object with the given argument.
@@ -2192,7 +2442,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&lt;=' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl lessThanOrEqual(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.lessThanOrEqual(rightOperand._state));
+ DartObjectImpl lessThanOrEqual(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.boolType,
+ _state.lessThanOrEqual(rightOperand._state));
/**
* Return the result of invoking the '&&' operator on this object with the given argument.
@@ -2202,7 +2456,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&&' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl logicalAnd(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.logicalAnd(rightOperand._state));
+ DartObjectImpl logicalAnd(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.boolType,
+ _state.logicalAnd(rightOperand._state));
/**
* Return the result of invoking the '!' operator on this object.
@@ -2211,7 +2469,8 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '!' operator on this object
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl logicalNot(TypeProvider typeProvider) => new DartObjectImpl(typeProvider.boolType, _state.logicalNot());
+ DartObjectImpl logicalNot(TypeProvider typeProvider) =>
+ new DartObjectImpl(typeProvider.boolType, _state.logicalNot());
/**
* Return the result of invoking the '||' operator on this object with the given argument.
@@ -2221,7 +2480,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '||' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl logicalOr(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.boolType, _state.logicalOr(rightOperand._state));
+ DartObjectImpl logicalOr(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.boolType,
+ _state.logicalOr(rightOperand._state));
/**
* Return the result of invoking the '-' operator on this object with the given argument.
@@ -2272,14 +2535,21 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '!=' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl notEqual(TypeProvider typeProvider, DartObjectImpl rightOperand) {
+ DartObjectImpl notEqual(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) {
if (type != rightOperand.type) {
String typeName = type.name;
- if (typeName != "bool" && typeName != "double" && typeName != "int" && typeName != "num" && typeName != "String") {
+ if (typeName != "bool" &&
+ typeName != "double" &&
+ typeName != "int" &&
+ typeName != "num" &&
+ typeName != "String") {
return new DartObjectImpl(typeProvider.boolType, BoolState.TRUE_STATE);
}
}
- return new DartObjectImpl(typeProvider.boolType, _state.equalEqual(rightOperand._state).logicalNot());
+ return new DartObjectImpl(
+ typeProvider.boolType,
+ _state.equalEqual(rightOperand._state).logicalNot());
}
/**
@@ -2305,7 +2575,8 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '%' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl remainder(TypeProvider typeProvider, DartObjectImpl rightOperand) {
+ DartObjectImpl remainder(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) {
InstanceState result = _state.remainder(rightOperand._state);
if (result is IntState) {
return new DartObjectImpl(typeProvider.intType, result);
@@ -2315,7 +2586,8 @@ class DartObjectImpl implements DartObject {
return new DartObjectImpl(typeProvider.numType, result);
}
// We should never get here.
- throw new IllegalStateException("remainder returned a ${result.runtimeType}");
+ throw new IllegalStateException(
+ "remainder returned a ${result.runtimeType}");
}
/**
@@ -2326,7 +2598,9 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&lt;&lt;' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl shiftLeft(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.shiftLeft(rightOperand._state));
+ DartObjectImpl shiftLeft(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(typeProvider.intType, _state.shiftLeft(rightOperand._state));
/**
* Return the result of invoking the '&gt;&gt;' operator on this object with the given argument.
@@ -2336,7 +2610,11 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the '&gt;&gt;' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl shiftRight(TypeProvider typeProvider, DartObjectImpl rightOperand) => new DartObjectImpl(typeProvider.intType, _state.shiftRight(rightOperand._state));
+ DartObjectImpl shiftRight(TypeProvider typeProvider,
+ DartObjectImpl rightOperand) =>
+ new DartObjectImpl(
+ typeProvider.intType,
+ _state.shiftRight(rightOperand._state));
/**
* Return the result of invoking the 'length' getter on this object.
@@ -2345,7 +2623,8 @@ class DartObjectImpl implements DartObject {
* @return the result of invoking the 'length' getter on this object
* @throws EvaluationException if the operator is not appropriate for an object of this kind
*/
- DartObjectImpl stringLength(TypeProvider typeProvider) => new DartObjectImpl(typeProvider.intType, _state.stringLength());
+ DartObjectImpl stringLength(TypeProvider typeProvider) =>
+ new DartObjectImpl(typeProvider.intType, _state.stringLength());
/**
* Return the result of invoking the '*' operator on this object with the given argument.
@@ -2449,7 +2728,8 @@ class DeclaredVariables {
DartObject getString(TypeProvider typeProvider, String variableName) {
String value = _declaredVariables[variableName];
if (value == null) {
- return new DartObjectImpl(typeProvider.stringType,
+ return new DartObjectImpl(
+ typeProvider.stringType,
StringState.UNKNOWN_VALUE);
}
return new DartObjectImpl(typeProvider.stringType, new StringState(value));
@@ -2462,14 +2742,14 @@ class DeclaredVariables {
*/
class DoubleState extends NumState {
/**
- * The value of this instance.
+ * A state that can be used to represent a double whose value is not known.
*/
- final double value;
+ static DoubleState UNKNOWN_VALUE = new DoubleState(null);
/**
- * A state that can be used to represent a double whose value is not known.
+ * The value of this instance.
*/
- static DoubleState UNKNOWN_VALUE = new DoubleState(null);
+ final double value;
/**
* Initialize a newly created state to represent a double with the given value.
@@ -2479,27 +2759,47 @@ class DoubleState extends NumState {
DoubleState(this.value);
@override
- NumState add(InstanceState rightOperand) {
- assertNumOrNull(rightOperand);
- if (value == null) {
- return UNKNOWN_VALUE;
- }
- if (rightOperand is IntState) {
- int rightValue = rightOperand.value;
- if (rightValue == null) {
- return UNKNOWN_VALUE;
- }
- return new DoubleState(value + rightValue.toDouble());
- } else if (rightOperand is DoubleState) {
- double rightValue = rightOperand.value;
- if (rightValue == null) {
- return UNKNOWN_VALUE;
- }
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => value == null ? 0 : value.hashCode;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ bool get isUnknown => value == null;
+
+ @override
+ String get typeName => "double";
+
+ @override
+ bool operator ==(Object object) =>
+ object is DoubleState && (value == object.value);
+
+ @override
+ NumState add(InstanceState rightOperand) {
+ assertNumOrNull(rightOperand);
+ if (value == null) {
+ return UNKNOWN_VALUE;
+ }
+ if (rightOperand is IntState) {
+ int rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return UNKNOWN_VALUE;
+ }
+ return new DoubleState(value + rightValue.toDouble());
+ } else if (rightOperand is DoubleState) {
+ double rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return UNKNOWN_VALUE;
+ }
return new DoubleState(value + rightValue);
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2531,7 +2831,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2541,35 +2842,6 @@ class DoubleState extends NumState {
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- if (value == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- if (rightOperand is DoubleState) {
- double rightValue = rightOperand.value;
- if (rightValue == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.from(value == rightValue);
- } else if (rightOperand is IntState) {
- int rightValue = rightOperand.value;
- if (rightValue == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.from(value == rightValue.toDouble());
- } else if (rightOperand is DynamicState || rightOperand is NumState) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.FALSE_STATE;
- }
-
- @override
- bool operator ==(Object object) => object is DoubleState && (value == object.value);
-
- @override
- String get typeName => "double";
-
- @override
BoolState greaterThan(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (value == null) {
@@ -2590,7 +2862,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2614,16 +2887,11 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => value == null ? 0 : value.hashCode;
-
- @override
IntState integerDivide(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (value == null) {
@@ -2646,14 +2914,32 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return IntState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
- bool get isBoolNumStringOrNull => true;
-
- @override
- bool get isUnknown => value == null;
+ BoolState isIdentical(InstanceState rightOperand) {
+ if (value == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ if (rightOperand is DoubleState) {
+ double rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.from(value == rightValue);
+ } else if (rightOperand is IntState) {
+ int rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.from(value == rightValue.toDouble());
+ } else if (rightOperand is DynamicState || rightOperand is NumState) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.FALSE_STATE;
+ }
@override
BoolState lessThan(InstanceState rightOperand) {
@@ -2676,7 +2962,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2700,7 +2987,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2724,7 +3012,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2756,7 +3045,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2780,7 +3070,8 @@ class DoubleState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -2798,6 +3089,15 @@ class DynamicState extends InstanceState {
static DynamicState DYNAMIC_STATE = new DynamicState();
@override
+ bool get isBool => true;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ String get typeName => "dynamic";
+
+ @override
NumState add(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
return _unknownNum(rightOperand);
@@ -2849,14 +3149,6 @@ class DynamicState extends InstanceState {
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- return BoolState.UNKNOWN_VALUE;
- }
-
- @override
- String get typeName => "dynamic";
-
- @override
BoolState greaterThan(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
return BoolState.UNKNOWN_VALUE;
@@ -2875,10 +3167,9 @@ class DynamicState extends InstanceState {
}
@override
- bool get isBool => true;
-
- @override
- bool get isBoolNumStringOrNull => true;
+ BoolState isIdentical(InstanceState rightOperand) {
+ return BoolState.UNKNOWN_VALUE;
+ }
@override
BoolState lessThan(InstanceState rightOperand) {
@@ -2981,24 +3272,6 @@ class EvaluationException extends JavaException {
*/
class EvaluationResult {
/**
- * Return an evaluation result representing the result of evaluating an expression that is not a
- * compile-time constant because of the given errors.
- *
- * @param errors the errors that should be reported for the expression(s) that were evaluated
- * @return the result of evaluating an expression that is not a compile-time constant
- */
- static EvaluationResult forErrors(List<AnalysisError> errors) => new EvaluationResult(null, errors);
-
- /**
- * Return an evaluation result representing the result of evaluating an expression that is a
- * compile-time constant that evaluates to the given value.
- *
- * @param value the value of the expression
- * @return the result of evaluating an expression that is a compile-time constant
- */
- static EvaluationResult forValue(DartObject value) => new EvaluationResult(value, null);
-
- /**
* The value of the expression.
*/
final DartObject value;
@@ -3023,7 +3296,8 @@ class EvaluationResult {
* the expression is not a valid compile time constant if the errors would have been reported by
* other parts of the analysis engine.
*/
- List<AnalysisError> get errors => _errors == null ? AnalysisError.NO_ERRORS : _errors;
+ List<AnalysisError> get errors =>
+ _errors == null ? AnalysisError.NO_ERRORS : _errors;
/**
* Return `true` if the expression is a compile-time constant expression that would not
@@ -3032,6 +3306,26 @@ class EvaluationResult {
* @return `true` if the expression is a valid compile-time constant expression
*/
bool get isValid => _errors == null;
+
+ /**
+ * Return an evaluation result representing the result of evaluating an expression that is not a
+ * compile-time constant because of the given errors.
+ *
+ * @param errors the errors that should be reported for the expression(s) that were evaluated
+ * @return the result of evaluating an expression that is not a compile-time constant
+ */
+ static EvaluationResult forErrors(List<AnalysisError> errors) =>
+ new EvaluationResult(null, errors);
+
+ /**
+ * Return an evaluation result representing the result of evaluating an expression that is a
+ * compile-time constant that evaluates to the given value.
+ *
+ * @param value the value of the expression
+ * @return the result of evaluating an expression that is a compile-time constant
+ */
+ static EvaluationResult forValue(DartObject value) =>
+ new EvaluationResult(value, null);
}
/**
@@ -3058,6 +3352,8 @@ class EvaluationResultImpl {
this._errors = errors;
}
+ List<AnalysisError> get errors => _errors;
+
bool equalValues(TypeProvider typeProvider, EvaluationResultImpl result) {
if (this.value != null) {
if (result.value == null) {
@@ -3069,8 +3365,6 @@ class EvaluationResultImpl {
}
}
- List<AnalysisError> get errors => _errors;
-
@override
String toString() {
if (value == null) {
@@ -3098,6 +3392,16 @@ class FunctionState extends InstanceState {
FunctionState(this._element);
@override
+ int get hashCode => _element == null ? 0 : _element.hashCode;
+
+ @override
+ String get typeName => "Function";
+
+ @override
+ bool operator ==(Object object) =>
+ object is FunctionState && (_element == object._element);
+
+ @override
StringState convertToString() {
if (_element == null) {
return StringState.UNKNOWN_VALUE;
@@ -3106,9 +3410,6 @@ class FunctionState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is FunctionState && (_element == object._element);
-
- @override
BoolState equalEqual(InstanceState rightOperand) {
return isIdentical(rightOperand);
}
@@ -3131,12 +3432,6 @@ class FunctionState extends InstanceState {
}
@override
- String get typeName => "Function";
-
- @override
- int get hashCode => _element == null ? 0 : _element.hashCode;
-
- @override
String toString() => _element == null ? "-unknown-" : _element.name;
}
@@ -3146,11 +3441,6 @@ class FunctionState extends InstanceState {
*/
class GenericState extends InstanceState {
/**
- * The values of the fields of this instance.
- */
- final HashMap<String, DartObjectImpl> _fieldMap;
-
- /**
* Pseudo-field that we use to represent fields in the superclass.
*/
static String SUPERCLASS_FIELD = "(super)";
@@ -3158,7 +3448,13 @@ class GenericState extends InstanceState {
/**
* A state that can be used to represent an object whose state is not known.
*/
- static GenericState UNKNOWN_VALUE = new GenericState(new HashMap<String, DartObjectImpl>());
+ static GenericState UNKNOWN_VALUE =
+ new GenericState(new HashMap<String, DartObjectImpl>());
+
+ /**
+ * The values of the fields of this instance.
+ */
+ final HashMap<String, DartObjectImpl> _fieldMap;
/**
* Initialize a newly created state to represent a newly created object.
@@ -3168,21 +3464,22 @@ class GenericState extends InstanceState {
GenericState(this._fieldMap);
@override
- StringState convertToString() => StringState.UNKNOWN_VALUE;
+ HashMap<String, DartObjectImpl> get fields => _fieldMap;
@override
- BoolState equalEqual(InstanceState rightOperand) {
- assertBoolNumStringOrNull(rightOperand);
- return isIdentical(rightOperand);
+ int get hashCode {
+ int hashCode = 0;
+ for (DartObjectImpl value in _fieldMap.values) {
+ hashCode += value.hashCode;
+ }
+ return hashCode;
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- if (rightOperand is DynamicState) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.from(this == rightOperand);
- }
+ bool get isUnknown => identical(this, UNKNOWN_VALUE);
+
+ @override
+ String get typeName => "user defined type";
@override
bool operator ==(Object object) {
@@ -3190,7 +3487,8 @@ class GenericState extends InstanceState {
return false;
}
GenericState state = object as GenericState;
- HashSet<String> otherFields = new HashSet<String>.from(state._fieldMap.keys.toSet());
+ HashSet<String> otherFields =
+ new HashSet<String>.from(state._fieldMap.keys.toSet());
for (String fieldName in _fieldMap.keys.toSet()) {
if (_fieldMap[fieldName] != state._fieldMap[fieldName]) {
return false;
@@ -3206,22 +3504,21 @@ class GenericState extends InstanceState {
}
@override
- HashMap<String, DartObjectImpl> get fields => _fieldMap;
+ StringState convertToString() => StringState.UNKNOWN_VALUE;
@override
- String get typeName => "user defined type";
+ BoolState equalEqual(InstanceState rightOperand) {
+ assertBoolNumStringOrNull(rightOperand);
+ return isIdentical(rightOperand);
+ }
@override
- int get hashCode {
- int hashCode = 0;
- for (DartObjectImpl value in _fieldMap.values) {
- hashCode += value.hashCode;
+ BoolState isIdentical(InstanceState rightOperand) {
+ if (rightOperand is DynamicState) {
+ return BoolState.UNKNOWN_VALUE;
}
- return hashCode;
+ return BoolState.from(this == rightOperand);
}
-
- @override
- bool get isUnknown => identical(this, UNKNOWN_VALUE);
}
/**
@@ -3230,49 +3527,177 @@ class GenericState extends InstanceState {
*/
abstract class InstanceState {
/**
- * Return the result of invoking the '+' operator on this object with the given argument.
- *
- * @param rightOperand the right-hand operand of the operation
- * @return the result of invoking the '+' operator on this object with the given argument
- * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ * If this represents a generic dart object, return a map from its fieldnames to their values.
+ * Otherwise return null.
*/
- InstanceState add(InstanceState rightOperand) {
- // TODO(brianwilkerson) Uncomment the code below when the new constant support can be added.
- // if (this instanceof StringState || rightOperand instanceof StringState) {
- // return concatenate(rightOperand);
- // }
- assertNumOrNull(this);
- assertNumOrNull(rightOperand);
- throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
- }
+ HashMap<String, DartObjectImpl> get fields => null;
/**
- * Return the result of invoking the '&' operator on this object with the given argument.
+ * Return `true` if this object's value can be represented exactly.
*
- * @param rightOperand the right-hand operand of the operation
- * @return the result of invoking the '&' operator on this object with the given argument
- * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ * @return `true` if this object's value can be represented exactly
*/
- IntState bitAnd(InstanceState rightOperand) {
- assertIntOrNull(this);
- assertIntOrNull(rightOperand);
- throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
- }
+ bool get hasExactValue => false;
/**
- * Return the result of invoking the '~' operator on this object.
+ * Return `true` if this object represents an object whose type is 'bool'.
*
- * @return the result of invoking the '~' operator on this object
- * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ * @return `true` if this object represents a boolean value
*/
- IntState bitNot() {
- assertIntOrNull(this);
- throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
- }
+ bool get isBool => false;
/**
- * Return the result of invoking the '|' operator on this object with the given argument.
- *
+ * Return `true` if this object represents an object whose type is either 'bool', 'num',
+ * 'String', or 'Null'.
+ *
+ * @return `true` if this object represents either a boolean, numeric, string or null value
+ */
+ bool get isBoolNumStringOrNull => false;
+
+ /**
+ * Return true if this object represents an unknown value.
+ */
+ bool get isUnknown => false;
+
+ /**
+ * Return the name of the type of this value.
+ *
+ * @return the name of the type of this value
+ */
+ String get typeName;
+
+ /**
+ * Return this object's value if it can be represented exactly, or `null` if either the
+ * value cannot be represented exactly or if the value is `null`. Clients should use
+ * [hasExactValue] to distinguish between these two cases.
+ *
+ * @return this object's value
+ */
+ Object get value => null;
+
+ /**
+ * Return the result of invoking the '+' operator on this object with the given argument.
+ *
+ * @param rightOperand the right-hand operand of the operation
+ * @return the result of invoking the '+' operator on this object with the given argument
+ * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ */
+ InstanceState add(InstanceState rightOperand) {
+ // TODO(brianwilkerson) Uncomment the code below when the new constant
+ // support can be added.
+// if (this instanceof StringState || rightOperand instanceof StringState) {
+// return concatenate(rightOperand);
+// }
+ assertNumOrNull(this);
+ assertNumOrNull(rightOperand);
+ throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
+ }
+
+ /**
+ * Throw an exception if the given state does not represent a boolean value.
+ *
+ * @param state the state being tested
+ * @throws EvaluationException if the given state does not represent a boolean value
+ */
+ void assertBool(InstanceState state) {
+ if (!(state is BoolState || state is DynamicState)) {
+ throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL);
+ }
+ }
+
+ /**
+ * Throw an exception if the given state does not represent a boolean, numeric, string or null
+ * value.
+ *
+ * @param state the state being tested
+ * @throws EvaluationException if the given state does not represent a boolean, numeric, string or
+ * null value
+ */
+ void assertBoolNumStringOrNull(InstanceState state) {
+ if (!(state is BoolState ||
+ state is DoubleState ||
+ state is IntState ||
+ state is NumState ||
+ state is StringState ||
+ state is NullState ||
+ state is DynamicState)) {
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING);
+ }
+ }
+
+ /**
+ * Throw an exception if the given state does not represent an integer or null value.
+ *
+ * @param state the state being tested
+ * @throws EvaluationException if the given state does not represent an integer or null value
+ */
+ void assertIntOrNull(InstanceState state) {
+ if (!(state is IntState ||
+ state is NumState ||
+ state is NullState ||
+ state is DynamicState)) {
+ throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_INT);
+ }
+ }
+
+ /**
+ * Throw an exception if the given state does not represent a boolean, numeric, string or null
+ * value.
+ *
+ * @param state the state being tested
+ * @throws EvaluationException if the given state does not represent a boolean, numeric, string or
+ * null value
+ */
+ void assertNumOrNull(InstanceState state) {
+ if (!(state is DoubleState ||
+ state is IntState ||
+ state is NumState ||
+ state is NullState ||
+ state is DynamicState)) {
+ throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_NUM);
+ }
+ }
+
+ /**
+ * Throw an exception if the given state does not represent a String value.
+ *
+ * @param state the state being tested
+ * @throws EvaluationException if the given state does not represent a String value
+ */
+ void assertString(InstanceState state) {
+ if (!(state is StringState || state is DynamicState)) {
+ throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL);
+ }
+ }
+
+ /**
+ * Return the result of invoking the '&' operator on this object with the given argument.
+ *
+ * @param rightOperand the right-hand operand of the operation
+ * @return the result of invoking the '&' operator on this object with the given argument
+ * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ */
+ IntState bitAnd(InstanceState rightOperand) {
+ assertIntOrNull(this);
+ assertIntOrNull(rightOperand);
+ throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
+ }
+
+ /**
+ * Return the result of invoking the '~' operator on this object.
+ *
+ * @return the result of invoking the '~' operator on this object
+ * @throws EvaluationException if the operator is not appropriate for an object of this kind
+ */
+ IntState bitNot() {
+ assertIntOrNull(this);
+ throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
+ }
+
+ /**
+ * Return the result of invoking the '|' operator on this object with the given argument.
+ *
* @param rightOperand the right-hand operand of the operation
* @return the result of invoking the '|' operator on this object with the given argument
* @throws EvaluationException if the operator is not appropriate for an object of this kind
@@ -3348,28 +3773,6 @@ abstract class InstanceState {
BoolState equalEqual(InstanceState rightOperand);
/**
- * If this represents a generic dart object, return a map from its fieldnames to their values.
- * Otherwise return null.
- */
- HashMap<String, DartObjectImpl> get fields => null;
-
- /**
- * Return the name of the type of this value.
- *
- * @return the name of the type of this value
- */
- String get typeName;
-
- /**
- * Return this object's value if it can be represented exactly, or `null` if either the
- * value cannot be represented exactly or if the value is `null`. Clients should use
- * [hasExactValue] to distinguish between these two cases.
- *
- * @return this object's value
- */
- Object get value => null;
-
- /**
* Return the result of invoking the '&gt;' operator on this object with the given argument.
*
* @param rightOperand the right-hand operand of the operation
@@ -3396,13 +3799,6 @@ abstract class InstanceState {
}
/**
- * Return `true` if this object's value can be represented exactly.
- *
- * @return `true` if this object's value can be represented exactly
- */
- bool get hasExactValue => false;
-
- /**
* Return the result of invoking the '~/' operator on this object with the given argument.
*
* @param rightOperand the right-hand operand of the operation
@@ -3426,26 +3822,6 @@ abstract class InstanceState {
BoolState isIdentical(InstanceState rightOperand);
/**
- * Return `true` if this object represents an object whose type is 'bool'.
- *
- * @return `true` if this object represents a boolean value
- */
- bool get isBool => false;
-
- /**
- * Return `true` if this object represents an object whose type is either 'bool', 'num',
- * 'String', or 'Null'.
- *
- * @return `true` if this object represents either a boolean, numeric, string or null value
- */
- bool get isBoolNumStringOrNull => false;
-
- /**
- * Return true if this object represents an unknown value.
- */
- bool get isUnknown => false;
-
- /**
* Return the result of invoking the '&lt;' operator on this object with the given argument.
*
* @param rightOperand the right-hand operand of the operation
@@ -3594,70 +3970,6 @@ abstract class InstanceState {
assertNumOrNull(rightOperand);
throw new EvaluationException(CompileTimeErrorCode.INVALID_CONSTANT);
}
-
- /**
- * Throw an exception if the given state does not represent a boolean value.
- *
- * @param state the state being tested
- * @throws EvaluationException if the given state does not represent a boolean value
- */
- void assertBool(InstanceState state) {
- if (!(state is BoolState || state is DynamicState)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL);
- }
- }
-
- /**
- * Throw an exception if the given state does not represent a boolean, numeric, string or null
- * value.
- *
- * @param state the state being tested
- * @throws EvaluationException if the given state does not represent a boolean, numeric, string or
- * null value
- */
- void assertBoolNumStringOrNull(InstanceState state) {
- if (!(state is BoolState || state is DoubleState || state is IntState || state is NumState || state is StringState || state is NullState || state is DynamicState)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL_NUM_STRING);
- }
- }
-
- /**
- * Throw an exception if the given state does not represent an integer or null value.
- *
- * @param state the state being tested
- * @throws EvaluationException if the given state does not represent an integer or null value
- */
- void assertIntOrNull(InstanceState state) {
- if (!(state is IntState || state is NumState || state is NullState || state is DynamicState)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_INT);
- }
- }
-
- /**
- * Throw an exception if the given state does not represent a boolean, numeric, string or null
- * value.
- *
- * @param state the state being tested
- * @throws EvaluationException if the given state does not represent a boolean, numeric, string or
- * null value
- */
- void assertNumOrNull(InstanceState state) {
- if (!(state is DoubleState || state is IntState || state is NumState || state is NullState || state is DynamicState)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_NUM);
- }
- }
-
- /**
- * Throw an exception if the given state does not represent a String value.
- *
- * @param state the state being tested
- * @throws EvaluationException if the given state does not represent a String value
- */
- void assertString(InstanceState state) {
- if (!(state is StringState || state is DynamicState)) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_TYPE_BOOL);
- }
- }
}
/**
@@ -3665,14 +3977,14 @@ abstract class InstanceState {
*/
class IntState extends NumState {
/**
- * The value of this instance.
+ * A state that can be used to represent an int whose value is not known.
*/
- final int value;
+ static IntState UNKNOWN_VALUE = new IntState(null);
/**
- * A state that can be used to represent an int whose value is not known.
+ * The value of this instance.
*/
- static IntState UNKNOWN_VALUE = new IntState(null);
+ final int value;
/**
* Initialize a newly created state to represent an int with the given value.
@@ -3682,6 +3994,25 @@ class IntState extends NumState {
IntState(this.value);
@override
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => value == null ? 0 : value.hashCode;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ bool get isUnknown => value == null;
+
+ @override
+ String get typeName => "int";
+
+ @override
+ bool operator ==(Object object) =>
+ object is IntState && (value == object.value);
+
+ @override
NumState add(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (value == null) {
@@ -3705,7 +4036,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3723,7 +4055,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3749,7 +4082,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3767,7 +4101,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3804,7 +4139,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3814,35 +4150,6 @@ class IntState extends NumState {
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- if (value == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- if (rightOperand is IntState) {
- int rightValue = rightOperand.value;
- if (rightValue == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.from(value == rightValue);
- } else if (rightOperand is DoubleState) {
- double rightValue = rightOperand.value;
- if (rightValue == null) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.from(rightValue == value.toDouble());
- } else if (rightOperand is DynamicState || rightOperand is NumState) {
- return BoolState.UNKNOWN_VALUE;
- }
- return BoolState.FALSE_STATE;
- }
-
- @override
- bool operator ==(Object object) => object is IntState && (value == object.value);
-
- @override
- String get typeName => "int";
-
- @override
BoolState greaterThan(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (value == null) {
@@ -3863,7 +4170,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3887,16 +4195,11 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => value == null ? 0 : value.hashCode;
-
- @override
IntState integerDivide(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (value == null) {
@@ -3907,7 +4210,8 @@ class IntState extends NumState {
if (rightValue == null) {
return UNKNOWN_VALUE;
} else if (rightValue == 0) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE);
}
return new IntState(value ~/ rightValue);
} else if (rightOperand is DoubleState) {
@@ -3920,14 +4224,32 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
- bool get isBoolNumStringOrNull => true;
-
- @override
- bool get isUnknown => value == null;
+ BoolState isIdentical(InstanceState rightOperand) {
+ if (value == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ if (rightOperand is IntState) {
+ int rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.from(value == rightValue);
+ } else if (rightOperand is DoubleState) {
+ double rightValue = rightOperand.value;
+ if (rightValue == null) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.from(rightValue == value.toDouble());
+ } else if (rightOperand is DynamicState || rightOperand is NumState) {
+ return BoolState.UNKNOWN_VALUE;
+ }
+ return BoolState.FALSE_STATE;
+ }
@override
BoolState lessThan(InstanceState rightOperand) {
@@ -3950,7 +4272,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -3974,7 +4297,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return BoolState.UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4001,7 +4325,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4038,7 +4363,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4058,7 +4384,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4078,7 +4405,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4105,7 +4433,8 @@ class IntState extends NumState {
} else if (rightOperand is DynamicState || rightOperand is NumState) {
return UNKNOWN_VALUE;
}
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4130,40 +4459,24 @@ class ListState extends InstanceState {
ListState(this._elements);
@override
- StringState convertToString() => StringState.UNKNOWN_VALUE;
-
- @override
- BoolState equalEqual(InstanceState rightOperand) {
- assertBoolNumStringOrNull(rightOperand);
- return isIdentical(rightOperand);
- }
-
- @override
- BoolState isIdentical(InstanceState rightOperand) {
- if (rightOperand is DynamicState) {
- return BoolState.UNKNOWN_VALUE;
+ bool get hasExactValue {
+ int count = _elements.length;
+ for (int i = 0; i < count; i++) {
+ if (!_elements[i].hasExactValue) {
+ return false;
+ }
}
- return BoolState.from(this == rightOperand);
+ return true;
}
@override
- bool operator ==(Object object) {
- if (object is! ListState) {
- return false;
- }
- List<DartObjectImpl> otherElements = (object as ListState)._elements;
+ int get hashCode {
+ int value = 0;
int count = _elements.length;
- if (otherElements.length != count) {
- return false;
- } else if (count == 0) {
- return true;
- }
for (int i = 0; i < count; i++) {
- if (_elements[i] != otherElements[i]) {
- return false;
- }
+ value = (value << 3) ^ _elements[i].hashCode;
}
- return true;
+ return value;
}
@override
@@ -4184,10 +4497,19 @@ class ListState extends InstanceState {
}
@override
- bool get hasExactValue {
+ bool operator ==(Object object) {
+ if (object is! ListState) {
+ return false;
+ }
+ List<DartObjectImpl> otherElements = (object as ListState)._elements;
int count = _elements.length;
+ if (otherElements.length != count) {
+ return false;
+ } else if (count == 0) {
+ return true;
+ }
for (int i = 0; i < count; i++) {
- if (!_elements[i].hasExactValue) {
+ if (_elements[i] != otherElements[i]) {
return false;
}
}
@@ -4195,13 +4517,20 @@ class ListState extends InstanceState {
}
@override
- int get hashCode {
- int value = 0;
- int count = _elements.length;
- for (int i = 0; i < count; i++) {
- value = (value << 3) ^ _elements[i].hashCode;
+ StringState convertToString() => StringState.UNKNOWN_VALUE;
+
+ @override
+ BoolState equalEqual(InstanceState rightOperand) {
+ assertBoolNumStringOrNull(rightOperand);
+ return isIdentical(rightOperand);
+ }
+
+ @override
+ BoolState isIdentical(InstanceState rightOperand) {
+ if (rightOperand is DynamicState) {
+ return BoolState.UNKNOWN_VALUE;
}
- return value;
+ return BoolState.from(this == rightOperand);
}
}
@@ -4223,20 +4552,38 @@ class MapState extends InstanceState {
MapState(this._entries);
@override
- StringState convertToString() => StringState.UNKNOWN_VALUE;
+ bool get hasExactValue {
+ for (DartObjectImpl key in _entries.keys) {
+ if (!key.hasExactValue || !_entries[key].hasExactValue) {
+ return false;
+ }
+ }
+ return true;
+ }
@override
- BoolState equalEqual(InstanceState rightOperand) {
- assertBoolNumStringOrNull(rightOperand);
- return isIdentical(rightOperand);
+ int get hashCode {
+ int value = 0;
+ for (DartObjectImpl key in _entries.keys.toSet()) {
+ value = (value << 3) ^ key.hashCode;
+ }
+ return value;
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- if (rightOperand is DynamicState) {
- return BoolState.UNKNOWN_VALUE;
+ String get typeName => "Map";
+
+ @override
+ Map<Object, Object> get value {
+ HashMap<Object, Object> result = new HashMap<Object, Object>();
+ for (DartObjectImpl key in _entries.keys) {
+ DartObjectImpl value = _entries[key];
+ if (!key.hasExactValue || !value.hasExactValue) {
+ return null;
+ }
+ result[key.value] = value.value;
}
- return BoolState.from(this == rightOperand);
+ return result;
}
@override
@@ -4244,7 +4591,8 @@ class MapState extends InstanceState {
if (object is! MapState) {
return false;
}
- HashMap<DartObjectImpl, DartObjectImpl> otherElements = (object as MapState)._entries;
+ HashMap<DartObjectImpl, DartObjectImpl> otherElements =
+ (object as MapState)._entries;
int count = _entries.length;
if (otherElements.length != count) {
return false;
@@ -4262,38 +4610,20 @@ class MapState extends InstanceState {
}
@override
- String get typeName => "Map";
-
- @override
- Map<Object, Object> get value {
- HashMap<Object, Object> result = new HashMap<Object, Object>();
- for (DartObjectImpl key in _entries.keys) {
- DartObjectImpl value = _entries[key];
- if (!key.hasExactValue || !value.hasExactValue) {
- return null;
- }
- result[key.value] = value.value;
- }
- return result;
- }
+ StringState convertToString() => StringState.UNKNOWN_VALUE;
@override
- bool get hasExactValue {
- for (DartObjectImpl key in _entries.keys) {
- if (!key.hasExactValue || !_entries[key].hasExactValue) {
- return false;
- }
- }
- return true;
+ BoolState equalEqual(InstanceState rightOperand) {
+ assertBoolNumStringOrNull(rightOperand);
+ return isIdentical(rightOperand);
}
@override
- int get hashCode {
- int value = 0;
- for (DartObjectImpl key in _entries.keys.toSet()) {
- value = (value << 3) ^ key.hashCode;
+ BoolState isIdentical(InstanceState rightOperand) {
+ if (rightOperand is DynamicState) {
+ return BoolState.UNKNOWN_VALUE;
}
- return value;
+ return BoolState.from(this == rightOperand);
}
}
@@ -4307,8 +4637,24 @@ class NullState extends InstanceState {
static NullState NULL_STATE = new NullState();
@override
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => 0;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ String get typeName => "Null";
+
+ @override
+ bool operator ==(Object object) => object is NullState;
+
+ @override
BoolState convertToBool() {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4329,23 +4675,9 @@ class NullState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is NullState;
-
- @override
- String get typeName => "Null";
-
- @override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => 0;
-
- @override
- bool get isBoolNumStringOrNull => true;
-
- @override
BoolState logicalNot() {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_EXCEPTION);
}
@override
@@ -4363,6 +4695,21 @@ class NumState extends InstanceState {
static NumState UNKNOWN_VALUE = new NumState();
@override
+ int get hashCode => 7;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ bool get isUnknown => identical(this, UNKNOWN_VALUE);
+
+ @override
+ String get typeName => "num";
+
+ @override
+ bool operator ==(Object object) => object is NumState;
+
+ @override
NumState add(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
return UNKNOWN_VALUE;
@@ -4384,17 +4731,6 @@ class NumState extends InstanceState {
}
@override
- BoolState isIdentical(InstanceState rightOperand) {
- return BoolState.UNKNOWN_VALUE;
- }
-
- @override
- bool operator ==(Object object) => object is NumState;
-
- @override
- String get typeName => "num";
-
- @override
BoolState greaterThan(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
return BoolState.UNKNOWN_VALUE;
@@ -4407,9 +4743,6 @@ class NumState extends InstanceState {
}
@override
- int get hashCode => 7;
-
- @override
IntState integerDivide(InstanceState rightOperand) {
assertNumOrNull(rightOperand);
if (rightOperand is IntState) {
@@ -4417,7 +4750,8 @@ class NumState extends InstanceState {
if (rightValue == null) {
return IntState.UNKNOWN_VALUE;
} else if (rightValue == 0) {
- throw new EvaluationException(CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE);
+ throw new EvaluationException(
+ CompileTimeErrorCode.CONST_EVAL_THROWS_IDBZE);
}
} else if (rightOperand is DynamicState) {
return IntState.UNKNOWN_VALUE;
@@ -4426,10 +4760,9 @@ class NumState extends InstanceState {
}
@override
- bool get isBoolNumStringOrNull => true;
-
- @override
- bool get isUnknown => identical(this, UNKNOWN_VALUE);
+ BoolState isIdentical(InstanceState rightOperand) {
+ return BoolState.UNKNOWN_VALUE;
+ }
@override
BoolState lessThan(InstanceState rightOperand) {
@@ -4492,7 +4825,8 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
/**
* A table mapping constant constructors to the declarations of those constructors.
*/
- final HashMap<ConstructorElement, ConstructorDeclaration> _constructorDeclarationMap;
+ final HashMap<ConstructorElement, ConstructorDeclaration>
+ _constructorDeclarationMap;
/**
* Initialize a newly created reference finder to find references from the given variable to other
@@ -4506,7 +4840,8 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
* @param constructorDeclarationMap A table mapping constant constructors to the declarations of
* those constructors.
*/
- ReferenceFinder(this._source, this._referenceGraph, this._variableDeclarationMap, this._constructorDeclarationMap);
+ ReferenceFinder(this._source, this._referenceGraph,
+ this._variableDeclarationMap, this._constructorDeclarationMap);
@override
Object visitInstanceCreationExpression(InstanceCreationExpression node) {
@@ -4517,6 +4852,21 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
}
@override
+ Object
+ visitRedirectingConstructorInvocation(RedirectingConstructorInvocation node) {
+ super.visitRedirectingConstructorInvocation(node);
+ ConstructorElement target = node.staticElement;
+ if (target != null && target.isConst) {
+ ConstructorDeclaration targetDeclaration =
+ _constructorDeclarationMap[target];
+ if (targetDeclaration != null) {
+ _referenceGraph.addEdge(_source, targetDeclaration);
+ }
+ }
+ return null;
+ }
+
+ @override
Object visitSimpleIdentifier(SimpleIdentifier node) {
Element element = node.staticElement;
if (element is PropertyAccessorElement) {
@@ -4525,11 +4875,13 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
if (element is VariableElement) {
VariableElement variable = element as VariableElement;
if (variable.isConst) {
- VariableDeclaration variableDeclaration = _variableDeclarationMap[variable];
- // The declaration will be null when the variable is not defined in the compilation units
- // that were used to produce the variableDeclarationMap. In such cases, the variable should
- // already have a value associated with it, but we don't bother to check because there's
- // nothing we can do about it at this point.
+ VariableDeclaration variableDeclaration =
+ _variableDeclarationMap[variable];
+ // The declaration will be null when the variable is not defined in the
+ // compilation units that were used to produce the
+ // variableDeclarationMap. In such cases, the variable should already
+ // have a value associated with it, but we don't bother to check because
+ // there's nothing we can do about it at this point.
if (variableDeclaration != null) {
_referenceGraph.addEdge(_source, variableDeclaration);
}
@@ -4543,10 +4895,12 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
super.visitSuperConstructorInvocation(node);
ConstructorElement constructor = node.staticElement;
if (constructor != null && constructor.isConst) {
- ConstructorDeclaration constructorDeclaration = _constructorDeclarationMap[constructor];
- // The declaration will be null when the constructor is not defined in the compilation
- // units that were used to produce the constructorDeclarationMap. In such cases, the
- // constructor should already have its initializer AST's stored in it, but we don't bother
+ ConstructorDeclaration constructorDeclaration =
+ _constructorDeclarationMap[constructor];
+ // The declaration will be null when the constructor is not defined in the
+ // compilation units that were used to produce the
+ // constructorDeclarationMap. In such cases, the constructor should
+ // already have its initializer AST's stored in it, but we don't bother
// to check because there's nothing we can do about it at this point.
if (constructorDeclaration != null) {
_referenceGraph.addEdge(_source, constructorDeclaration);
@@ -4554,19 +4908,6 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
}
return null;
}
-
- @override
- Object visitRedirectingConstructorInvocation(RedirectingConstructorInvocation node) {
- super.visitRedirectingConstructorInvocation(node);
- ConstructorElement target = node.staticElement;
- if (target != null && target.isConst) {
- ConstructorDeclaration targetDeclaration = _constructorDeclarationMap[target];
- if (targetDeclaration != null) {
- _referenceGraph.addEdge(_source, targetDeclaration);
- }
- }
- return null;
- }
}
/**
@@ -4575,14 +4916,14 @@ class ReferenceFinder extends RecursiveAstVisitor<Object> {
*/
class StringState extends InstanceState {
/**
- * The value of this instance.
+ * A state that can be used to represent a double whose value is not known.
*/
- final String value;
+ static StringState UNKNOWN_VALUE = new StringState(null);
/**
- * A state that can be used to represent a double whose value is not known.
+ * The value of this instance.
*/
- static StringState UNKNOWN_VALUE = new StringState(null);
+ final String value;
/**
* Initialize a newly created state to represent the given value.
@@ -4592,6 +4933,25 @@ class StringState extends InstanceState {
StringState(this.value);
@override
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => value == null ? 0 : value.hashCode;
+
+ @override
+ bool get isBoolNumStringOrNull => true;
+
+ @override
+ bool get isUnknown => value == null;
+
+ @override
+ String get typeName => "String";
+
+ @override
+ bool operator ==(Object object) =>
+ object is StringState && (value == object.value);
+
+ @override
StringState concatenate(InstanceState rightOperand) {
if (value == null) {
return UNKNOWN_VALUE;
@@ -4635,24 +4995,6 @@ class StringState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is StringState && (value == object.value);
-
- @override
- String get typeName => "String";
-
- @override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => value == null ? 0 : value.hashCode;
-
- @override
- bool get isBoolNumStringOrNull => true;
-
- @override
- bool get isUnknown => value == null;
-
- @override
IntState stringLength() {
if (value == null) {
return IntState.UNKNOWN_VALUE;
@@ -4682,6 +5024,19 @@ class SymbolState extends InstanceState {
SymbolState(this.value);
@override
+ bool get hasExactValue => true;
+
+ @override
+ int get hashCode => value == null ? 0 : value.hashCode;
+
+ @override
+ String get typeName => "Symbol";
+
+ @override
+ bool operator ==(Object object) =>
+ object is SymbolState && (value == object.value);
+
+ @override
StringState convertToString() {
if (value == null) {
return StringState.UNKNOWN_VALUE;
@@ -4713,18 +5068,6 @@ class SymbolState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is SymbolState && (value == object.value);
-
- @override
- String get typeName => "Symbol";
-
- @override
- bool get hasExactValue => true;
-
- @override
- int get hashCode => value == null ? 0 : value.hashCode;
-
- @override
String toString() => value == null ? "-unknown-" : "#$value";
}
@@ -4745,6 +5088,16 @@ class TypeState extends InstanceState {
TypeState(this._element);
@override
+ int get hashCode => _element == null ? 0 : _element.hashCode;
+
+ @override
+ String get typeName => "Type";
+
+ @override
+ bool operator ==(Object object) =>
+ object is TypeState && (_element == object._element);
+
+ @override
StringState convertToString() {
if (_element == null) {
return StringState.UNKNOWN_VALUE;
@@ -4753,9 +5106,6 @@ class TypeState extends InstanceState {
}
@override
- bool operator ==(Object object) => object is TypeState && (_element == object._element);
-
- @override
BoolState equalEqual(InstanceState rightOperand) {
assertBoolNumStringOrNull(rightOperand);
return isIdentical(rightOperand);
@@ -4779,11 +5129,5 @@ class TypeState extends InstanceState {
}
@override
- String get typeName => "Type";
-
- @override
- int get hashCode => _element == null ? 0 : _element.hashCode;
-
- @override
String toString() => _element == null ? "-unknown-" : _element.name;
-}
+}
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