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BytecodeGenerator.cpp
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/*
* BytecodeGenerator.cpp
* lex
*
* Created by Alexandru Chiculita on 9/11/09.
*
*/
#include "Platform.h"
#include "BytecodeGenerator.h"
#include "Disassembler.h"
#include "Interpreter.h"
#include "OpCodes.h"
Register* LocalPropertyAccessor::EmitLoad(BytecodeGenerator* generator, Register* dst)
{
return m_register.Ptr();
}
Register* LocalPropertyAccessor::EmitSave(BytecodeGenerator* generator, Register* src, Register* dst)
{
if (src != m_register.Ptr())
{
generator->EmitBytecode(op_assign);
generator->EmitRegister(m_register.Ptr());
generator->EmitRegister(src);
}
return m_register.Ptr();
}
Register* ParentPropertyAccessor::EmitLoad(BytecodeGenerator* generator, Register* dst)
{
if (!dst) dst = generator->NewTempRegister().Ptr();
generator->EmitBytecode(op_load_scope);
generator->EmitRegister(dst);
generator->EmitConstantInt(m_scopeNumber);
generator->EmitConstantInt(m_registerNumber);
dst->SetType(GetType());
return dst;
}
Register* ParentPropertyAccessor::EmitSave(BytecodeGenerator* generator, Register* src, Register* dst)
{
if (src->GetType() != GetType())
{
printf("invalid type\n");
exit(1);
}
generator->EmitBytecode(op_save_scope);
generator->EmitRegister(src);
generator->EmitConstantInt(m_scopeNumber);
generator->EmitConstantInt(m_registerNumber);
return src;
}
bool Scope::HasLocalProperty(std::string& name) const
{
PropertyMap::const_iterator iter = m_properties.find(name);
return (iter != m_properties.end());
}
PassRef<Accessor> Scope::GetProperty(std::string& name) const
{
PropertyMap::const_iterator iter = m_properties.find(name);
if (iter != m_properties.end())
return AdoptRef<Accessor>(new LocalPropertyAccessor((*iter).second->GetType(), (*iter).second->GetRegister()));
if (m_parentScope.Ptr())
{
// need to get the property and set it into an accessor
int scopeNumber = 1;
Property* property = m_parentScope->LookupProperty(name, scopeNumber);
if (property)
return AdoptRef<Accessor>(new ParentPropertyAccessor( property->GetType(), scopeNumber, property->GetRegister()->Number() ));
}
return 0;
}
Property* Scope::LookupProperty(std::string& name, int& scopeNumber) const
{
PropertyMap::const_iterator iter = m_properties.find(name);
if (iter != m_properties.end())
return (*iter).second.Ptr();
if (m_parentScope.Ptr())
{
++scopeNumber;
return m_parentScope->LookupProperty(name, scopeNumber);
}
return 0;
}
bool BuiltinType::CoerceArgsIfNeeded(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* ®1, Register* ®2)
{
if (type2 != this)
{
// have to convert me or the other to my type
if (!type2->IsBuiltin())
{
printf("Error: trying to do %s %s %s\n", Name().c_str(), BinaryOpcodeToString(op), type2->Name().c_str());
exit(1);
}
if (static_cast<BuiltinType*>(type2)->GetPriority() > GetPriority())
{
// coerce me to the other
reg1 = generator->Coerce(reg1, type2);
return false;
}
else
{
// coerce the other to me
reg2 = generator->Coerce(reg2, this);
}
}
return true;
}
Register* Type::EmitBinaryOpBytecode(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* reg1, Register* reg2, Register* dst)
{
// arbitrary type operators not supported, yet
printf("Error: trying to do %s %s %s\n", Name().c_str(), BinaryOpcodeToString(op), type2->Name().c_str());
exit(1);
}
Register* Type::EmitUnaryOpBytecode(BytecodeGenerator* generator, UnaryOpcode op, Register* reg1, Register* dst)
{
// arbitrary type operators not supported, yet
printf("Error: trying to do %s %s\n", UnaryOpcodeToString(op), Name().c_str());
exit(1);
}
Register* Type::EmitAssignOpBytecode (BytecodeGenerator* generator, AssignOpcode op, Accessor* accessor, ArenaNode* node2, Register* dst)
{
// arbitrary type operators not supported, yet
printf("Error: trying to do %s %s\n", AssignOpcodeToString(op), Name().c_str());
exit(1);
}
Register* IntType::EmitBinaryOpBytecode(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* reg1, Register* reg2, Register* dst)
{
if (!CoerceArgsIfNeeded(generator, type2, op, reg1, reg2))
{
// reverse if cannot do it
return type2->EmitBinaryOpBytecode(generator, type2, op, reg1, reg2, dst);
}
assert(reg1->GetType() == reg2->GetType());
dst->SetType(this);
switch(op)
{
case binary_op_plus:
generator->EmitBytecode(op_int_plus);
break;
case binary_op_multiply:
generator->EmitBytecode(op_int_multiply);
break;
case binary_op_minus:
generator->EmitBytecode(op_int_minus);
break;
case binary_op_divide:
generator->EmitBytecode(op_int_divide);
break;
case binary_op_less:
generator->EmitBytecode(op_int_less);
break;
case binary_op_less_or_equal:
generator->EmitBytecode(op_int_less_or_equal);
break;
case binary_op_more:
generator->EmitBytecode(op_int_more);
break;
case binary_op_more_or_equal:
generator->EmitBytecode(op_int_more_or_equal);
break;
case binary_op_equal:
generator->EmitBytecode(op_int_equals);
break;
default:
printf("%s operation not supported on ints\n", BinaryOpcodeToString(op));
exit(1);
}
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
generator->EmitRegister(reg2);
return dst;
}
Register* IntType::EmitAssignOpBytecode (BytecodeGenerator* generator, AssignOpcode op, Accessor* accessor, ArenaNode* node2, Register* dst)
{
dst->SetType(this);
RefPtr<Register> source (accessor->EmitLoad(generator, 0));
RefPtr<Register> newValue;
switch(op)
{
case assign_op_plusplus_prefix:
generator->EmitBytecode(op_int_plus_one);
generator->EmitRegister(source.Ptr());
dst = source.Ptr();
break;
case assign_op_plusplus_sufix:
{
// let the user get the old value
RefPtr<Register> r (generator->NewTempRegister());
r->SetType(this);
generator->EmitBytecode(op_assign);
generator->EmitRegister(r.Ptr());
generator->EmitRegister(source.Ptr());
dst = r.Ptr();
generator->EmitBytecode(op_int_plus_one);
generator->EmitRegister(source.Ptr());
}
break;
case assign_op_minusminus_prefix:
generator->EmitBytecode(op_int_minus_one);
generator->EmitRegister(source.Ptr());
dst = source.Ptr();
break;
case assign_op_minusminus_sufix:
{
// let the user get the old value
RefPtr<Register> r( generator->NewTempRegister() );
r->SetType(this);
generator->EmitBytecode(op_assign);
generator->EmitRegister(r.Ptr());
generator->EmitRegister(source.Ptr());
dst = r.Ptr();
generator->EmitBytecode(op_int_minus_one);
generator->EmitRegister(source.Ptr());
}
break;
default:
printf(" assign %s operation not supported on ints\n", AssignOpcodeToString(op));
exit(1);
}
accessor->EmitSave(generator, source.Ptr(), 0)->SetIgnored();
return dst;
}
Register* IntType::EmitUnaryOpBytecode(BytecodeGenerator* generator, UnaryOpcode op, Register* reg1, Register* dst)
{
dst->SetType(this);
switch(op)
{
case unary_op_not:
generator->EmitBytecode(op_int_not);
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
break;
default:
printf(" unary %s operation not supported on ints\n", UnaryOpcodeToString(op));
exit(1);
}
return dst;
}
Register* FloatType::EmitBinaryOpBytecode(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* reg1, Register* reg2, Register* dst)
{
if (!CoerceArgsIfNeeded(generator, type2, op, reg1, reg2))
{
// reverse if cannot do it
return type2->EmitBinaryOpBytecode(generator, type2, op, reg1, reg2, dst);
}
assert(reg1->GetType() == reg2->GetType());
dst->SetType(this);
switch(op)
{
case binary_op_plus:
generator->EmitBytecode(op_float_plus);
break;
case binary_op_multiply:
generator->EmitBytecode(op_float_multiply);
break;
case binary_op_minus:
generator->EmitBytecode(op_float_minus);
break;
case binary_op_divide:
generator->EmitBytecode(op_float_divide);
break;
case binary_op_less:
generator->EmitBytecode(op_float_less);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
case binary_op_less_or_equal:
generator->EmitBytecode(op_float_less_or_equal);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
case binary_op_more:
generator->EmitBytecode(op_float_more);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
case binary_op_more_or_equal:
generator->EmitBytecode(op_float_more_or_equal);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
case binary_op_equal:
generator->EmitBytecode(op_float_equals);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
default:
printf("%s operation not supported on floats\n", BinaryOpcodeToString(op));
exit(1);
}
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
generator->EmitRegister(reg2);
return dst;
}
Register* FloatType::EmitAssignOpBytecode (BytecodeGenerator* generator, AssignOpcode op, Accessor* accessor, ArenaNode* node2, Register* dst)
{
dst->SetType(this);
RefPtr<Register> source (accessor->EmitLoad(generator, 0));
RefPtr<Register> newValue;
switch(op)
{
case assign_op_plusplus_prefix:
generator->EmitBytecode(op_float_plus_one);
generator->EmitRegister(source.Ptr());
dst = source.Ptr();
break;
case assign_op_plusplus_sufix:
{
// let the user get the old value
RefPtr<Register> r (generator->NewTempRegister());
r->SetType(this);
generator->EmitBytecode(op_assign);
generator->EmitRegister(r.Ptr());
generator->EmitRegister(source.Ptr());
dst = r.Ptr();
generator->EmitBytecode(op_float_plus_one);
generator->EmitRegister(source.Ptr());
}
break;
case assign_op_minusminus_prefix:
generator->EmitBytecode(op_float_minus_one);
generator->EmitRegister(source.Ptr());
dst = source.Ptr();
break;
case assign_op_minusminus_sufix:
{
// let the user get the old value
RefPtr<Register> r( generator->NewTempRegister() );
r->SetType(this);
generator->EmitBytecode(op_assign);
generator->EmitRegister(r.Ptr());
generator->EmitRegister(source.Ptr());
dst = r.Ptr();
generator->EmitBytecode(op_float_minus_one);
generator->EmitRegister(source.Ptr());
}
break;
default:
printf(" assign %s operation not supported on ints\n", AssignOpcodeToString(op));
exit(1);
}
accessor->EmitSave(generator, source.Ptr(), 0)->SetIgnored();
return dst;
}
Register* FloatType::EmitUnaryOpBytecode(BytecodeGenerator* generator, UnaryOpcode op, Register* reg1, Register* dst)
{
dst->SetType(this);
switch(op)
{
case unary_op_not:
generator->EmitBytecode(op_float_not);
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
break;
default:
printf(" unary %s operation not supported on floats\n", UnaryOpcodeToString(op));
exit(1);
}
return dst;
}
Register* CollectorRefType::EmitBinaryOpBytecode(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* reg1, Register* reg2, Register* dst)
{
if (type2->IsCollectorRef() && op == binary_op_equal)
{
dst->SetType(generator->GetGlobalData()->GetIntType());
generator->EmitBytecode(op_ref_equal);
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
generator->EmitRegister(reg2);
return dst;
}
return BuiltinType::EmitBinaryOpBytecode(generator, type2, op, reg1, reg2, dst);
}
Register* StringType::EmitBinaryOpBytecode(BytecodeGenerator* generator, Type* type2, BinaryOpcode op, Register* reg1, Register* reg2, Register* dst)
{
if (type2->IsCollectorRef() && type2 != this)
return CollectorRefType::EmitBinaryOpBytecode(generator, type2, op, reg1, reg2, dst);
if (!CoerceArgsIfNeeded(generator, type2, op, reg1, reg2))
{
// reverse if cannot do it
return type2->EmitBinaryOpBytecode(generator, this, op, reg1, reg2, dst);
}
assert(reg1->GetType() == reg2->GetType());
dst->SetType(this);
switch(op)
{
case binary_op_plus:
generator->EmitBytecode(op_string_plus);
break;
case binary_op_equal:
generator->EmitBytecode(op_string_equal);
dst->SetType(generator->GetGlobalData()->GetIntType());
break;
default:
return CollectorRefType::EmitBinaryOpBytecode(generator, type2, op, reg1, reg2, dst);
}
generator->EmitRegister(dst);
generator->EmitRegister(reg1);
generator->EmitRegister(reg2);
return dst;
}
Register* ObjectPropertyAccessor::EmitLoad(BytecodeGenerator* generator, Register* dst)
{
if (!dst) dst = generator->NewTempRegister().Ptr();
if (GetType()->IsCollectorRef())
generator->EmitBytecode(op_load_ref_object_property);
else if (GetType() == generator->GetGlobalData()->GetIntType())
generator->EmitBytecode(op_load_int_object_property);
else if (GetType() == generator->GetGlobalData()->GetFloatType())
generator->EmitBytecode(op_load_float_object_property);
generator->EmitRegister(dst);
generator->EmitRegister(m_register.Ptr());
generator->EmitConstantInt(m_offset);
dst->SetType(GetType());
return dst;
}
Register* ObjectPropertyAccessor::EmitSave(BytecodeGenerator* generator, Register* src, Register* dst)
{
if (src->GetType() != GetType())
{
printf("invalid type\n");
exit(1);
}
if (GetType()->IsCollectorRef())
generator->EmitBytecode(op_save_ref_object_property);
else if (GetType() == generator->GetGlobalData()->GetIntType())
generator->EmitBytecode(op_save_int_object_property);
else if (GetType() == generator->GetGlobalData()->GetFloatType())
generator->EmitBytecode(op_save_float_object_property);
generator->EmitRegister(m_register.Ptr());
generator->EmitRegister(src);
generator->EmitConstantInt(m_offset);
return src;
}
int ObjectType::ObjectSize()
{
return m_nextOffset;
}
void ObjectType::DebugObject(GlobalData* globalData, RefObject* ref)
{
std::ostringstream o;
if (!ref)
{
o << "null";
}
else
{
o << "[ " << (intptr_t) ref << "\n";
ObjectType* type = this;
while (type)
{
o << type->Name() << ":\n";
PropertyMap::iterator iter = type->m_properties.begin();
for(; iter != type->m_properties.end(); ++iter)
{
o << "\t";
ObjectProperty& objectProperty = (*iter).second;
Type* const propertyType = objectProperty.GetType();
o << '[' << propertyType->Name() << " - " << objectProperty.Name() << "] ";
if (propertyType->IsCollectorRef())
{
CollectorRef* collectorRef = ref->ReadAtOffset<CollectorRef*>(objectProperty.GetOffset());
if (propertyType == globalData->GetStringType())
{
if (collectorRef)
{
RefString* refString = static_cast<RefString*>(collectorRef);
o << refString->Value;
}
}
else
{
o << (intptr_t)collectorRef;
}
}
else if (propertyType == globalData->GetIntType())
{
int value = ref->ReadAtOffset<int>(objectProperty.GetOffset());
o << value;
}
else if (propertyType == globalData->GetFloatType())
{
double value = ref->ReadAtOffset<double>(objectProperty.GetOffset());
o << value;
}
else
{
assert(false);
}
o << "\n";
}
type = type->m_extendedType.Ptr();
}
}
o << "]";
printf("%s\n", o.str().c_str());
}
void ObjectType::MarkObject(RefObject* ref)
{
ObjectType* type = this;
while (type)
{
PropertyMap::iterator iter = m_properties.begin();
for(; iter != m_properties.end(); ++iter)
{
ObjectProperty& objectProperty = (*iter).second;
if (objectProperty.GetType()->IsCollectorRef())
{
CollectorRef* collectorRef = ref->ReadAtOffset<CollectorRef*>(objectProperty.GetOffset());
if (collectorRef && !Heap::IsCellMarked(collectorRef))
{
collectorRef->Mark();
}
}
}
type = type->m_extendedType.Ptr();
}
}
int ObjectType::GetNextOffset(int size)
{
// align the new one to the size of the object
int returnOffset = m_nextOffset + size - m_nextOffset % size;
m_nextOffset = returnOffset + size;
return returnOffset;
}
bool ObjectType::HasProperty(std::string& name)
{
PropertyMap::const_iterator iter = m_properties.find(name);
if (iter != m_properties.end())
return true;
if (m_extendedType.Ptr())
return m_extendedType->HasProperty(name);
return false;
}
void ObjectType::PutProperty(GlobalData* globalData, std::string& name, Type* type)
{
if (HasProperty(name))
{
printf("property name already added %s\n", name.c_str());
exit(1);
}
int offset = GetNextOffset(type->GetObjectSize());
ObjectProperty property( name, type, offset );
m_properties.insert(make_pair(name, property));
}
PassRef<Accessor> ObjectType::GetPropertyAccessor(std::string& name, Register* forReg)
{
PropertyMap::const_iterator iter = m_properties.find(name);
if (iter != m_properties.end())
return (AdoptRef<Accessor>(new ObjectPropertyAccessor( (*iter).second.GetType(), (*iter).second.GetOffset(), forReg )));
if (m_extendedType.Ptr())
return m_extendedType->GetPropertyAccessor(name, forReg);
return false;
}
Register* VectorAccessor::EmitLoad(BytecodeGenerator* generator, Register* dst)
{
if (!dst) dst = generator->NewTempRegister().Ptr();
if (GetType()->IsCollectorRef())
generator->EmitBytecode(op_load_ref_vector_property);
else if (GetType() == generator->GetGlobalData()->GetIntType())
generator->EmitBytecode(op_load_int_vector_property);
else if (GetType() == generator->GetGlobalData()->GetFloatType())
generator->EmitBytecode(op_load_float_vector_property);
generator->EmitRegister(dst);
generator->EmitRegister(m_register.Ptr());
generator->EmitRegister(m_offsetRegister.Ptr());
dst->SetType(GetType());
return dst;
}
Register* VectorAccessor::EmitSave(BytecodeGenerator* generator, Register* src, Register* dst)
{
if (src->GetType() != GetType())
{
printf("invalid type\n");
exit(1);
}
if (GetType()->IsCollectorRef())
generator->EmitBytecode(op_save_ref_vector_property);
else if (GetType() == generator->GetGlobalData()->GetIntType())
generator->EmitBytecode(op_save_int_vector_property);
else if (GetType() == generator->GetGlobalData()->GetFloatType())
generator->EmitBytecode(op_save_float_vector_property);
generator->EmitRegister(m_register.Ptr());
generator->EmitRegister(src);
generator->EmitRegister(m_offsetRegister.Ptr());
return src;
}
PassRef<Accessor> VectorType::GetRegisterAccessor(Register* offsetRegister, Register* forReg)
{
return AdoptRef<Accessor>(new VectorAccessor(GetElementType(), offsetRegister, forReg));
}
void VectorType::MarkObject(RefVector* ref)
{
assert(ref);
if (GetElementType()->IsCollectorRef())
{
CollectorRef** iter = reinterpret_cast<CollectorRef**>(ref->GetBuffer());
CollectorRef** last = iter + ref->GetSize();
while (iter < last)
{
CollectorRef* const collectorRef = *iter;
if (collectorRef && !Heap::IsCellMarked(collectorRef))
{
collectorRef->Mark();
}
++ iter;
}
}
}
void VectorType::DebugObject(GlobalData* globalData, RefVector* ref)
{
std::ostringstream o;
if (!ref)
{
o << "null";
}
else
{
o << "[ " << (intptr_t) ref << "\n" << Name() << ":\n";
Type* elementType = GetElementType();
if (elementType->IsCollectorRef())
{
CollectorRef** iter = reinterpret_cast<CollectorRef**>(ref->GetBuffer());
CollectorRef** last = iter + ref->GetSize();
int index = 0;
while (iter < last)
{
CollectorRef* const collectorRef = *iter;
o << "\t[" << index++ << "] ";
if (elementType == globalData->GetStringType())
{
if (collectorRef)
{
RefString* refString = static_cast<RefString*>(collectorRef);
o << refString->Value;
}
}
else
{
o << (intptr_t) collectorRef;
}
o << "\n";
++ iter;
}
}
else if (elementType == globalData->GetIntType())
{
int* iter = reinterpret_cast<int*>(ref->GetBuffer());
int* last = iter + ref->GetSize();
int index = 0;
while (iter < last)
{
o << "\t[" << index++ << "] " << *iter << "\n";
++ iter;
}
}
else if (elementType == globalData->GetFloatType())
{
double* iter = reinterpret_cast<double*>(ref->GetBuffer());
double* last = iter + ref->GetSize();
int index = 0;
while (iter < last)
{
o << "\t[" << index++ << "] " << *iter << "\n";
++ iter;
}
}
else
{
assert(false);
}
o << "]";
printf("%s\n", o.str().c_str());
}
}
Type* VectorType::GetElementType()
{
if (m_elementType.Ptr())
return m_elementType.Ptr();
TypeList* templateTypes = GetTemplateTypes();
if (templateTypes->size() != 1)
{
printf("only 1 template argument is accepted by vector type\n");
exit(1);
}
Type* objectType = templateTypes->at(0).Ptr();
if (!objectType)
{
printf("invalid vector template type\n");
exit(1);
}
m_elementType = objectType;
return objectType;
}
int VectorType::GetElementSize()
{
if (m_elementSize != 0)
return m_elementSize;
m_elementSize = GetElementType()->GetObjectSize();
return m_elementSize;
}
Register* CodeType::EmitAssignOpBytecode (BytecodeGenerator* generator, AssignOpcode op, Accessor* accessor, ArenaNode* node2, Register* dst)
{
dst->SetType(this);
RefPtr<Register> source (accessor->EmitLoad(generator, 0));
RefPtr<Register> newValue;
switch(op)
{
case assign_op_plus_equal:
{
RefPtr<Register> tempString (generator->NewTempRegister());
tempString = node2->EmitBytecode(generator, tempString.Ptr());
generator->EmitBytecode(op_code_plus_string);
generator->EmitRegister(source.Ptr());
generator->EmitRegister(tempString.Ptr());
dst = source.Ptr();
}
break;
default:
printf(" assign %s operation not supported on strings\n", AssignOpcodeToString(op));
exit(1);
}
accessor->EmitSave(generator, source.Ptr(), 0);
return dst;
}
GlobalData::GlobalData()
: m_intType(AdoptRef(new IntType()))
, m_floatType(AdoptRef(new FloatType()))
, m_stringType(AdoptRef(new StringType()))
, m_nullType(AdoptRef(new NullType()))
, m_codeType(AdoptRef(new CodeType()))
, m_nextMethodId(0)
{
m_typeList[m_intType->Name()] = m_intType.Ptr();
m_typeList[m_floatType->Name()] = m_floatType.Ptr();
m_typeList[m_stringType->Name()] = m_stringType.Ptr();
m_typeList[m_codeType->Name()] = m_codeType.Ptr();
m_stringType->AddInheritedType(m_nullType.Ptr());
m_codeType->AddInheritedType(m_nullType.Ptr());
m_heap.AdoptRef(new Heap(this));
}
GlobalData::~GlobalData()
{
}
Type* GlobalData::GetDefinedType(std::string completeName)
{
TypeList::const_iterator iter = m_typeList.find( completeName );
if (iter != m_typeList.end())
{
return (*iter).second.Ptr();
}
return 0;
}
MethodEnv* GlobalData::GetDefinedMethod(std::string completeName)
{
MethodList::const_iterator iter = m_methodList.find( completeName );
if (iter != m_methodList.end())
{
return (*iter).second.Ptr();
}
return 0;
}
Type* GlobalData::GetTypeOf(TypeNode* typeNode)
{
std::string completeName = typeNode->CompleteTypeName();
TypeList::const_iterator iter = m_typeList.find( completeName );
if (iter != m_typeList.end())
{
return (*iter).second.Ptr();
}
if (typeNode->GetName() != "vector")
{
printf("invalid typename \"%s\"\n", typeNode->GetName().c_str());
exit(1);
}
RefPtr<Type> type (AdoptRef<Type>( new VectorType(completeName) ));
type->AddInheritedType(m_nullType.Ptr());
TypeNodeList* typeNodeList = typeNode->GetTypeNodeList();
if (typeNodeList)
{
for (unsigned i=0; i<typeNodeList->size(); ++i)
type->AddTemplateType( GetTypeOf (typeNodeList->at(i).Ptr()) );
}
m_typeList[completeName] = type;
return type.Ptr();
}
void GlobalData::DefineObjectType(StructNode* structNode)
{
std::string completeName = structNode->GetIdentifier()->Value();
TypeList::const_iterator iter = m_typeList.find( completeName );
if (iter != m_typeList.end())
{
printf("%s struct already defined\n", completeName.c_str());
exit(1);
}
TypeNode* extendedTypeNode = structNode->GetExtendedType();
Type* extendedType = extendedTypeNode ? GetTypeOf(extendedTypeNode) : 0;
if (extendedType && !extendedType->IsObjectType())
{
printf("%s can only extend other structures\n", completeName.c_str());
exit(1);
}
ObjectType* extendedObjectType = extendedType ? static_cast<ObjectType*>(extendedType) : 0;
RefPtr<ObjectType> newType (AdoptRef(new ObjectType (completeName, extendedObjectType)));
m_typeList[completeName] = newType.Ptr();
newType->AddInheritedType(m_nullType.Ptr());
while (extendedObjectType)
{
newType->AddInheritedType(extendedObjectType);
extendedObjectType = extendedObjectType->GetExtendedObjectType();
}
StatementList* statementsList = structNode->GetDeclarations();
if (statementsList)
{
for (unsigned i=0; i<statementsList->size(); ++i)
{
StatementNode* statement = statementsList->at(i).Ptr();
if (!statement)
continue; // pass over empty lines
if (statement->IsVarStatement())
{
VarStatement* varStatement = static_cast<VarStatement*>(statement);
newType->PutProperty(this, varStatement->Identifier()->Value(), GetTypeOf(varStatement->GetTypeNode()));
}
}
}
}
MethodEnv* GlobalData::GetMethod(std::string name, MethodNode* methodNode)
{
MethodList::const_iterator iter = m_methodList.find( name );
if (iter != m_methodList.end())
{
return (*iter).second.Ptr();
}
RefPtr<MethodEnv> method (AdoptRef( new MethodEnv(this, name) ));
if (methodNode)
{
method->PrependArgumentsFromMethodNode(methodNode);
}
m_methodList[name] = method;
return method.Ptr();
}
unsigned GlobalData::GetConstantFloatIndex(double d)