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-rw-r--r--src/v4/qv4context.cpp251
1 files changed, 127 insertions, 124 deletions
diff --git a/src/v4/qv4context.cpp b/src/v4/qv4context.cpp
index 61f75570ca..202acc8153 100644
--- a/src/v4/qv4context.cpp
+++ b/src/v4/qv4context.cpp
@@ -98,7 +98,7 @@ void ExecutionContext::createMutableBinding(String *name, bool deletable)
bool ExecutionContext::setMutableBinding(ExecutionContext *scope, String *name, const Value &value)
{
// ### throw if scope->strict is true, and it would change an immutable binding
- if (type == CallContext) {
+ if (type == Type_CallContext) {
assert(function);
for (unsigned int i = 0; i < function->varCount; ++i)
if (function->varList[i]->isEqualTo(name)) {
@@ -112,7 +112,7 @@ bool ExecutionContext::setMutableBinding(ExecutionContext *scope, String *name,
}
}
- if (activation && (type == QmlContext || activation->__hasProperty__(scope, name))) {
+ if (activation && (type == Type_QmlContext || activation->__hasProperty__(scope, name))) {
activation->put(scope, name, value);
return true;
}
@@ -125,7 +125,7 @@ Value ExecutionContext::getBindingValue(ExecutionContext *scope, String *name, b
Q_UNUSED(strict);
assert(function);
- if (type == CallContext) {
+ if (type == Type_CallContext) {
assert(function);
for (unsigned int i = 0; i < function->varCount; ++i)
if (function->varList[i]->isEqualTo(name))
@@ -156,104 +156,149 @@ bool ExecutionContext::deleteBinding(ExecutionContext *scope, String *name)
String * const *ExecutionContext::formals() const
{
- return function ? function->formalParameterList : 0;
+ return type == Type_CallContext ? static_cast<const CallContext *>(this)->function->formalParameterList : 0;
}
unsigned int ExecutionContext::formalCount() const
{
- return function ? function->formalParameterCount : 0;
+ return type == Type_CallContext ? static_cast<const CallContext *>(this)->function->formalParameterCount : 0;
}
String * const *ExecutionContext::variables() const
{
- return function ? function->varList : 0;
+ return type == Type_CallContext ? static_cast<const CallContext *>(this)->function->varList : 0;
}
unsigned int ExecutionContext::variableCount() const
{
- return function ? function->varCount : 0;
+ return type == Type_CallContext ? static_cast<const CallContext *>(this)->function->varCount : 0;
}
-void ExecutionContext::init(ExecutionEngine *eng)
+void GlobalContext::init(ExecutionEngine *eng)
{
- type = GlobalContext;
+ type = Type_GlobalContext;
+ strictMode = false;
marked = false;
+ thisObject = eng->globalObject;
engine = eng;
outer = 0;
- thisObject = eng->globalObject;
-
- function = 0;
lookups = 0;
- locals = 0;
+ // ### remove
arguments = 0;
argumentCount = 0;
- locals = 0;
- exceptionVarName = 0;
- exceptionValue = Value::undefinedValue();
- strictMode = false;
activation = 0;
- withObject = 0;
+ function = 0;
+ locals = 0;
}
-void ExecutionContext::init(ExecutionContext *p, Object *with)
+void WithContext::init(ExecutionContext *p, Object *with)
{
- type = WithContext;
+ type = Type_WithContext;
+ strictMode = false;
marked = false;
+ thisObject = p->thisObject;
engine = p->engine;
outer = p;
- thisObject = p->thisObject;
-
- function = 0;
lookups = p->lookups;
- locals = 0;
+ withObject = with;
+
+ // ### remove
arguments = 0;
argumentCount = 0;
- locals = 0;
- exceptionVarName = 0;
- exceptionValue = Value::undefinedValue();
- strictMode = false;
activation = 0;
- withObject = with;
+ function = 0;
+ locals = 0;
}
-void ExecutionContext::initForCatch(ExecutionContext *p, String *exceptionVarName, const Value &exceptionValue)
+void CatchContext::init(ExecutionContext *p, String *exceptionVarName, const Value &exceptionValue)
{
- type = CatchContext;
+ type = Type_CatchContext;
+ strictMode = p->strictMode;
marked = false;
+ thisObject = p->thisObject;
engine = p->engine;
outer = p;
- thisObject = p->thisObject;
-
- function = 0;
lookups = p->lookups;
+
+ this->exceptionVarName = exceptionVarName;
+ this->exceptionValue = exceptionValue;
+
+ // ### remove
arguments = 0;
argumentCount = 0;
+ activation = 0;
+ function = 0;
locals = 0;
- this->exceptionVarName = exceptionVarName;
- this->exceptionValue = exceptionValue;
- strictMode = p->strictMode;
+}
+
+void CallContext::initCallContext(ExecutionEngine *engine)
+{
+ type = Type_CallContext;
+ strictMode = function->strictMode;
+ marked = false;
+ this->engine = engine;
+ outer = function->scope;
+#ifndef QT_NO_DEBUG
+ assert(outer->next != (ExecutionContext *)0x1);
+#endif
+
activation = 0;
- withObject = 0;
+
+ if (function->function)
+ lookups = function->function->lookups;
+
+ uint argc = argumentCount;
+
+ locals = (Value *)(this + 1);
+ if (function->varCount)
+ std::fill(locals, locals + function->varCount, Value::undefinedValue());
+
+ if (needsOwnArguments()) {
+ Value *args = arguments;
+ argumentCount = qMax(argc, function->formalParameterCount);
+ arguments = locals + function->varCount;
+ if (argc)
+ ::memcpy(arguments, args, argc * sizeof(Value));
+ if (argc < function->formalParameterCount)
+ std::fill(arguments + argc, arguments + function->formalParameterCount, Value::undefinedValue());
+
+ }
+
+ if (function->usesArgumentsObject) {
+ ArgumentsObject *args = new (engine->memoryManager) ArgumentsObject(this, function->formalParameterCount, argc);
+ args->prototype = engine->objectPrototype;
+ Value arguments = Value::fromObject(args);
+ createMutableBinding(engine->id_arguments, false);
+ setMutableBinding(this, engine->id_arguments, arguments);
+ }
+
+ if (engine->debugger)
+ engine->debugger->aboutToCall(function, this);
}
+
bool ExecutionContext::deleteProperty(String *name)
{
bool hasWith = false;
for (ExecutionContext *ctx = this; ctx; ctx = ctx->outer) {
- if (ctx->type == WithContext) {
+ if (ctx->type == Type_WithContext) {
hasWith = true;
- if (ctx->withObject->__hasProperty__(this, name))
- return ctx->withObject->deleteProperty(this, name);
+ WithContext *w = static_cast<WithContext *>(ctx);
+ if (w->withObject->__hasProperty__(this, name))
+ return w->withObject->deleteProperty(this, name);
} else {
if (ctx->activation && ctx->activation->__hasProperty__(this, name))
return ctx->activation->deleteProperty(this, name);
}
- if (ctx->type == CatchContext && ctx->exceptionVarName->isEqualTo(name))
- return false;
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CatchContext) {
+ CatchContext *c = static_cast<CatchContext *>(ctx);
+ if (c->exceptionVarName->isEqualTo(name))
+ return false;
+ }
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->needsActivation || hasWith) {
for (unsigned int i = 0; i < f->varCount; ++i)
@@ -293,24 +338,29 @@ void ExecutionContext::mark()
locals[local].mark();
if (activation)
activation->mark();
- if (withObject)
- withObject->mark();
- if (exceptionVarName)
- exceptionVarName->mark();
- exceptionValue.mark();
+ if (type == Type_WithContext) {
+ WithContext *w = static_cast<WithContext *>(this);
+ w->withObject->mark();
+ }
+ if (type == Type_CatchContext) {
+ CatchContext *c = static_cast<CatchContext *>(this);
+ if (c->exceptionVarName)
+ c->exceptionVarName->mark();
+ c->exceptionValue.mark();
+ }
}
void ExecutionContext::setProperty(String *name, const Value& value)
{
for (ExecutionContext *ctx = this; ctx; ctx = ctx->outer) {
- if (ctx->type == WithContext) {
- Object *w = ctx->withObject;
+ if (ctx->type == Type_WithContext) {
+ Object *w = static_cast<WithContext *>(ctx)->withObject;
if (w->__hasProperty__(ctx, name)) {
w->put(ctx, name, value);
return;
}
- } else if (ctx->type == CatchContext && ctx->exceptionVarName->isEqualTo(name)) {
- ctx->exceptionValue = value;
+ } else if (ctx->type == Type_CatchContext && static_cast<CatchContext *>(ctx)->exceptionVarName->isEqualTo(name)) {
+ static_cast<CatchContext *>(ctx)->exceptionValue = value;
return;
} else {
if (ctx->setMutableBinding(this, name, value))
@@ -332,8 +382,8 @@ Value ExecutionContext::getProperty(String *name)
bool hasWith = false;
bool hasCatchScope = false;
for (ExecutionContext *ctx = this; ctx; ctx = ctx->outer) {
- if (ctx->type == WithContext) {
- Object *w = ctx->withObject;
+ if (ctx->type == Type_WithContext) {
+ Object *w = static_cast<WithContext *>(ctx)->withObject;
hasWith = true;
bool hasProperty = false;
Value v = w->get(ctx, name, &hasProperty);
@@ -343,13 +393,14 @@ Value ExecutionContext::getProperty(String *name)
continue;
}
- if (ctx->type == CatchContext) {
+ if (ctx->type == Type_CatchContext) {
hasCatchScope = true;
- if (ctx->exceptionVarName->isEqualTo(name))
- return ctx->exceptionValue;
+ CatchContext *c = static_cast<CatchContext *>(ctx);
+ if (c->exceptionVarName->isEqualTo(name))
+ return c->exceptionValue;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->needsActivation || hasWith || hasCatchScope) {
for (unsigned int i = 0; i < f->varCount; ++i)
@@ -366,7 +417,7 @@ Value ExecutionContext::getProperty(String *name)
if (hasProperty)
return v;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->function && f->function->isNamedExpression
&& name->isEqualTo(f->function->name))
@@ -387,8 +438,8 @@ Value ExecutionContext::getPropertyNoThrow(String *name)
bool hasWith = false;
bool hasCatchScope = false;
for (ExecutionContext *ctx = this; ctx; ctx = ctx->outer) {
- if (ctx->type == WithContext) {
- Object *w = ctx->withObject;
+ if (ctx->type == Type_WithContext) {
+ Object *w = static_cast<WithContext *>(ctx)->withObject;
hasWith = true;
bool hasProperty = false;
Value v = w->get(ctx, name, &hasProperty);
@@ -398,13 +449,14 @@ Value ExecutionContext::getPropertyNoThrow(String *name)
continue;
}
- if (ctx->type == CatchContext) {
+ if (ctx->type == Type_CatchContext) {
hasCatchScope = true;
- if (ctx->exceptionVarName->isEqualTo(name))
- return ctx->exceptionValue;
+ CatchContext *c = static_cast<CatchContext *>(ctx);
+ if (c->exceptionVarName->isEqualTo(name))
+ return c->exceptionValue;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->needsActivation || hasWith || hasCatchScope) {
for (unsigned int i = 0; i < f->varCount; ++i)
@@ -421,7 +473,7 @@ Value ExecutionContext::getPropertyNoThrow(String *name)
if (hasProperty)
return v;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->function && f->function->isNamedExpression
&& name->isEqualTo(f->function->name))
@@ -442,8 +494,8 @@ Value ExecutionContext::getPropertyAndBase(String *name, Object **base)
bool hasWith = false;
bool hasCatchScope = false;
for (ExecutionContext *ctx = this; ctx; ctx = ctx->outer) {
- if (ctx->type == WithContext) {
- Object *w = ctx->withObject;
+ if (ctx->type == Type_WithContext) {
+ Object *w = static_cast<WithContext *>(ctx)->withObject;
hasWith = true;
bool hasProperty = false;
Value v = w->get(ctx, name, &hasProperty);
@@ -454,13 +506,14 @@ Value ExecutionContext::getPropertyAndBase(String *name, Object **base)
continue;
}
- if (ctx->type == CatchContext) {
+ if (ctx->type == Type_CatchContext) {
hasCatchScope = true;
- if (ctx->exceptionVarName->isEqualTo(name))
- return ctx->exceptionValue;
+ CatchContext *c = static_cast<CatchContext *>(ctx);
+ if (c->exceptionVarName->isEqualTo(name))
+ return c->exceptionValue;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->needsActivation || hasWith || hasCatchScope) {
for (unsigned int i = 0; i < f->varCount; ++i)
@@ -477,7 +530,7 @@ Value ExecutionContext::getPropertyAndBase(String *name, Object **base)
if (hasProperty)
return v;
}
- if (ctx->type == CallContext) {
+ if (ctx->type == Type_CallContext) {
FunctionObject *f = ctx->function;
if (f->function && f->function->isNamedExpression
&& name->isEqualTo(f->function->name))
@@ -544,56 +597,6 @@ void ExecutionContext::throwURIError(Value msg)
throwError(Value::fromObject(engine->newURIErrorObject(this, msg)));
}
-void ExecutionContext::initCallContext(ExecutionEngine *engine)
-{
- type = CallContext;
- marked = false;
- this->engine = engine;
- outer = function->scope;
-#ifndef QT_NO_DEBUG
- assert(outer->next != (ExecutionContext *)0x1);
-#endif
-
- exceptionVarName = 0;
- exceptionValue = Value::undefinedValue();
-
- activation = 0;
- withObject = 0;
-
- strictMode = function->strictMode;
-
- if (function->function)
- lookups = function->function->lookups;
-
- uint argc = argumentCount;
-
- locals = (Value *)(this + 1);
- if (function->varCount)
- std::fill(locals, locals + function->varCount, Value::undefinedValue());
-
- if (needsOwnArguments()) {
- Value *args = arguments;
- argumentCount = qMax(argc, function->formalParameterCount);
- arguments = locals + function->varCount;
- if (argc)
- ::memcpy(arguments, args, argc * sizeof(Value));
- if (argc < function->formalParameterCount)
- std::fill(arguments + argc, arguments + function->formalParameterCount, Value::undefinedValue());
-
- }
-
- if (function->usesArgumentsObject) {
- ArgumentsObject *args = new (engine->memoryManager) ArgumentsObject(this, function->formalParameterCount, argc);
- args->prototype = engine->objectPrototype;
- Value arguments = Value::fromObject(args);
- createMutableBinding(engine->id_arguments, false);
- setMutableBinding(this, engine->id_arguments, arguments);
- }
-
- if (engine->debugger)
- engine->debugger->aboutToCall(function, this);
-}
-
void ExecutionContext::wireUpPrototype()
{
assert(thisObject.isObject());
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 10:42:37 +0000