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-rw-r--r--Source/JavaScriptCore/parser/ParserModes.h140
1 files changed, 15 insertions, 125 deletions
diff --git a/Source/JavaScriptCore/parser/ParserModes.h b/Source/JavaScriptCore/parser/ParserModes.h
index 4f6bac6c3..4e9a17cd2 100644
--- a/Source/JavaScriptCore/parser/ParserModes.h
+++ b/Source/JavaScriptCore/parser/ParserModes.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2012, 2013, 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -27,139 +27,29 @@
#ifndef ParserModes_h
#define ParserModes_h
-#include "Identifier.h"
-
namespace JSC {
-enum class JSParserStrictMode { NotStrict, Strict };
-enum class JSParserBuiltinMode { NotBuiltin, Builtin };
-enum class JSParserCodeType { Program, Function, Module };
-
-enum class ConstructorKind { None, Base, Derived };
-enum class SuperBinding { Needed, NotNeeded };
-enum class ThisTDZMode { AlwaysCheck, CheckIfNeeded };
+enum JSParserStrictness { JSParseNormal, JSParseStrict };
+enum JSParserMode { JSParseProgramCode, JSParseFunctionCode };
enum ProfilerMode { ProfilerOff, ProfilerOn };
enum DebuggerMode { DebuggerOff, DebuggerOn };
-enum FunctionMode { FunctionExpression, FunctionDeclaration };
-
-enum class SourceParseMode : uint8_t {
- NormalFunctionMode,
- GeneratorBodyMode,
- GeneratorWrapperFunctionMode,
- GetterMode,
- SetterMode,
- MethodMode,
- ArrowFunctionMode,
- ProgramMode,
- ModuleAnalyzeMode,
- ModuleEvaluateMode
-};
-
-inline bool isFunctionParseMode(SourceParseMode parseMode)
-{
- switch (parseMode) {
- case SourceParseMode::NormalFunctionMode:
- case SourceParseMode::GeneratorBodyMode:
- case SourceParseMode::GeneratorWrapperFunctionMode:
- case SourceParseMode::GetterMode:
- case SourceParseMode::SetterMode:
- case SourceParseMode::MethodMode:
- case SourceParseMode::ArrowFunctionMode:
- return true;
-
- case SourceParseMode::ProgramMode:
- case SourceParseMode::ModuleAnalyzeMode:
- case SourceParseMode::ModuleEvaluateMode:
- return false;
- }
- RELEASE_ASSERT_NOT_REACHED();
- return false;
-}
-
-inline bool isModuleParseMode(SourceParseMode parseMode)
-{
- switch (parseMode) {
- case SourceParseMode::ModuleAnalyzeMode:
- case SourceParseMode::ModuleEvaluateMode:
- return true;
-
- case SourceParseMode::NormalFunctionMode:
- case SourceParseMode::GeneratorBodyMode:
- case SourceParseMode::GeneratorWrapperFunctionMode:
- case SourceParseMode::GetterMode:
- case SourceParseMode::SetterMode:
- case SourceParseMode::MethodMode:
- case SourceParseMode::ArrowFunctionMode:
- case SourceParseMode::ProgramMode:
- return false;
- }
- RELEASE_ASSERT_NOT_REACHED();
- return false;
-}
-
-inline bool isProgramParseMode(SourceParseMode parseMode)
-{
- switch (parseMode) {
- case SourceParseMode::ProgramMode:
- return true;
-
- case SourceParseMode::NormalFunctionMode:
- case SourceParseMode::GeneratorBodyMode:
- case SourceParseMode::GeneratorWrapperFunctionMode:
- case SourceParseMode::GetterMode:
- case SourceParseMode::SetterMode:
- case SourceParseMode::MethodMode:
- case SourceParseMode::ArrowFunctionMode:
- case SourceParseMode::ModuleAnalyzeMode:
- case SourceParseMode::ModuleEvaluateMode:
- return false;
- }
- RELEASE_ASSERT_NOT_REACHED();
- return false;
-}
-
-inline bool functionNameIsInScope(const Identifier& name, FunctionMode functionMode)
-{
- if (name.isNull())
- return false;
-
- if (functionMode != FunctionExpression)
- return false;
-
- return true;
-}
-
-inline bool functionNameScopeIsDynamic(bool usesEval, bool isStrictMode)
-{
- // If non-strict eval is in play, a function gets a separate object in the scope chain for its name.
- // This enables eval to declare and then delete a name that shadows the function's name.
-
- if (!usesEval)
- return false;
-
- if (isStrictMode)
- return false;
-
- return true;
-}
+enum FunctionNameIsInScopeToggle { FunctionNameIsNotInScope, FunctionNameIsInScope };
-typedef uint16_t CodeFeatures;
+typedef unsigned CodeFeatures;
-const CodeFeatures NoFeatures = 0;
-const CodeFeatures EvalFeature = 1 << 0;
-const CodeFeatures ArgumentsFeature = 1 << 1;
-const CodeFeatures WithFeature = 1 << 2;
-const CodeFeatures ThisFeature = 1 << 3;
-const CodeFeatures StrictModeFeature = 1 << 4;
-const CodeFeatures ShadowsArgumentsFeature = 1 << 5;
-const CodeFeatures ModifiedParameterFeature = 1 << 6;
-const CodeFeatures ModifiedArgumentsFeature = 1 << 7;
-const CodeFeatures ArrowFunctionFeature = 1 << 8;
-const CodeFeatures ArrowFunctionContextFeature = 1 << 9;
+const CodeFeatures NoFeatures = 0;
+const CodeFeatures EvalFeature = 1 << 0;
+const CodeFeatures ArgumentsFeature = 1 << 1;
+const CodeFeatures WithFeature = 1 << 2;
+const CodeFeatures CatchFeature = 1 << 3;
+const CodeFeatures ThisFeature = 1 << 4;
+const CodeFeatures StrictModeFeature = 1 << 5;
+const CodeFeatures ShadowsArgumentsFeature = 1 << 6;
+const CodeFeatures ModifiedParameterFeature = 1 << 7;
-const CodeFeatures AllFeatures = EvalFeature | ArgumentsFeature | WithFeature | ThisFeature | StrictModeFeature | ShadowsArgumentsFeature | ModifiedParameterFeature | ArrowFunctionFeature | ArrowFunctionContextFeature;
+const CodeFeatures AllFeatures = EvalFeature | ArgumentsFeature | WithFeature | CatchFeature | ThisFeature | StrictModeFeature | ShadowsArgumentsFeature | ModifiedParameterFeature;
} // namespace JSC