qtdeclarative/qmljs_engine.h

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#ifndef QMLJS_ENGINE_H
#define QMLJS_ENGINE_H

#include <qv4isel_p.h>
#include <qmljs_objects.h>
#include <qmljs_environment.h>
#include <setjmp.h>

namespace QQmlJS {

namespace Debugging {
class Debugger;
} // namespace Debugging

namespace VM {

struct Value;
class Array;
struct Object;
struct BooleanObject;
struct NumberObject;
struct StringObject;
struct ArrayObject;
struct DateObject;
struct FunctionObject;
struct RegExpObject;
struct ErrorObject;
struct ArgumentsObject;
struct ExecutionContext;
struct ExecutionEngine;
class MemoryManager;

struct ObjectPrototype;
struct StringPrototype;
struct NumberPrototype;
struct BooleanPrototype;
struct ArrayPrototype;
struct FunctionPrototype;
struct DatePrototype;
struct RegExpPrototype;
struct ErrorPrototype;
struct EvalErrorPrototype;
struct RangeErrorPrototype;
struct ReferenceErrorPrototype;
struct SyntaxErrorPrototype;
struct TypeErrorPrototype;
struct URIErrorPrototype;

struct ExecutionEngine
{
    MemoryManager *memoryManager;
    EvalISelFactory *iselFactory;
    ExecutionContext *current;
    ExecutionContext *rootContext;

    Debugging::Debugger *debugger;

    Value globalObject;

    Value objectCtor;
    Value stringCtor;
    Value numberCtor;
    Value booleanCtor;
    Value arrayCtor;
    Value functionCtor;
    Value dateCtor;
    Value regExpCtor;
    Value errorCtor;
    Value evalErrorCtor;
    Value rangeErrorCtor;
    Value referenceErrorCtor;
    Value syntaxErrorCtor;
    Value typeErrorCtor;
    Value uRIErrorCtor;

    ObjectPrototype *objectPrototype;
    StringPrototype *stringPrototype;
    NumberPrototype *numberPrototype;
    BooleanPrototype *booleanPrototype;
    ArrayPrototype *arrayPrototype;
    FunctionPrototype *functionPrototype;
    DatePrototype *datePrototype;
    RegExpPrototype *regExpPrototype;
    ErrorPrototype *errorPrototype;
    EvalErrorPrototype *evalErrorPrototype;
    RangeErrorPrototype *rangeErrorPrototype;
    ReferenceErrorPrototype *referenceErrorPrototype;
    SyntaxErrorPrototype *syntaxErrorPrototype;
    TypeErrorPrototype *typeErrorPrototype;
    URIErrorPrototype *uRIErrorPrototype;

    QHash<QString, String *> identifiers;

    String *id_length;
    String *id_prototype;
    String *id_constructor;
    String *id_arguments;
    String *id___proto__;

    struct ExceptionHandler {
        ExecutionContext *context;
        ExecutionContext::With *with;
        const uchar *code; // Interpreter state
        int targetTempIndex; // Interpreter state
        jmp_buf stackFrame;
    };

    QVector<ExceptionHandler> unwindStack;
    Value exception;

    struct StringPool *stringPool;

    ExecutionEngine(MemoryManager *memoryManager, EvalISelFactory *iselFactory);
    ~ExecutionEngine();

    ExecutionContext *newContext();

    String *identifier(const QString &s);

    FunctionObject *newNativeFunction(ExecutionContext *scope, String *name, Value (*code)(ExecutionContext *));
    FunctionObject *newScriptFunction(ExecutionContext *scope, IR::Function *function);

    Object *newObject();
    FunctionObject *newObjectCtor(ExecutionContext *ctx);

    String *newString(const QString &s);
    Object *newStringObject(const Value &value);
    FunctionObject *newStringCtor(ExecutionContext *ctx);

    Object *newNumberObject(const Value &value);
    FunctionObject *newNumberCtor(ExecutionContext *ctx);

    Object *newBooleanObject(const Value &value);
    FunctionObject *newBooleanCtor(ExecutionContext *ctx);

    Object *newFunctionObject(ExecutionContext *ctx);

    ArrayObject *newArrayObject();
    ArrayObject *newArrayObject(const Array &value);
    FunctionObject *newArrayCtor(ExecutionContext *ctx);

    Object *newDateObject(const Value &value);
    FunctionObject *newDateCtor(ExecutionContext *ctx);

    Object *newRegExpObject(const QString &pattern, int flags);
    FunctionObject *newRegExpCtor(ExecutionContext *ctx);

    Object *newErrorObject(const Value &value);
    Object *newSyntaxErrorObject(ExecutionContext *ctx, DiagnosticMessage *message);
    Object *newReferenceErrorObject(ExecutionContext *ctx, const QString &message);
    Object *newTypeErrorObject(ExecutionContext *ctx, const QString &message);

    Object *newMathObject(ExecutionContext *ctx);
    Object *newActivationObject();

    Object *newForEachIteratorObject(Object *o);
};

} // namespace VM
} // namespace QQmlJS

#endif