#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 DebuggerMode { DebuggerOff, DebuggerOn };
enum class FunctionMode { FunctionExpression, FunctionDeclaration, MethodDefinition };
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 != FunctionMode::FunctionExpression)
return false;
return true;
}
inline bool functionNameScopeIsDynamic(bool usesEval, bool isStrictMode)
{
if (!usesEval)
return false;
if (isStrictMode)
return false;
return true;
}
typedef uint16_t 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 ArrowFunctionFeature = 1 << 6;
const CodeFeatures ArrowFunctionContextFeature = 1 << 7;
const CodeFeatures SuperCallFeature = 1 << 8;
const CodeFeatures SuperPropertyFeature = 1 << 9;
const CodeFeatures NewTargetFeature = 1 << 10;
const CodeFeatures AllFeatures = EvalFeature | ArgumentsFeature | WithFeature | ThisFeature | StrictModeFeature | ShadowsArgumentsFeature | ArrowFunctionFeature | ArrowFunctionContextFeature |
SuperCallFeature | SuperPropertyFeature | NewTargetFeature;
typedef uint8_t InnerArrowFunctionCodeFeatures;
const InnerArrowFunctionCodeFeatures NoInnerArrowFunctionFeatures = 0;
const InnerArrowFunctionCodeFeatures EvalInnerArrowFunctionFeature = 1 << 0;
const InnerArrowFunctionCodeFeatures ArgumentsInnerArrowFunctionFeature = 1 << 1;
const InnerArrowFunctionCodeFeatures ThisInnerArrowFunctionFeature = 1 << 2;
const InnerArrowFunctionCodeFeatures SuperCallInnerArrowFunctionFeature = 1 << 3;
const InnerArrowFunctionCodeFeatures SuperPropertyInnerArrowFunctionFeature = 1 << 4;
const InnerArrowFunctionCodeFeatures NewTargetInnerArrowFunctionFeature = 1 << 5;
const InnerArrowFunctionCodeFeatures AllInnerArrowFunctionCodeFeatures = EvalInnerArrowFunctionFeature | ArgumentsInnerArrowFunctionFeature | ThisInnerArrowFunctionFeature | SuperCallInnerArrowFunctionFeature | SuperPropertyInnerArrowFunctionFeature | NewTargetInnerArrowFunctionFeature;
}
#endif // ParserModes_h