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wnt_Type.cpp
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wnt_Type.cpp
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#include "wnt_Type.h"
#include "Value.h"
#include "BaseException.h"
#include "LLVMTypeUtils.h"
#include "wnt_FunctionDefinition.h"
#include "wnt_RefCounting.h"
#include "maths/mathstypes.h"
#include "utils/StringUtils.h"
#ifdef _MSC_VER // If compiling with Visual C++
#pragma warning(push, 0) // Disable warnings
#endif
#include "llvm/IR/Constants.h"
#include "llvm/IR/Module.h"
#ifdef _MSC_VER
#pragma warning(pop) // Re-enable warnings
#endif
#include <vector>
using namespace std;
namespace Winter
{
//==========================================================================
Reference<Value> Type::getInvalidValue() const // For array out-of-bounds
{
assert(0);
return NULL;
}
llvm::Value* Type::getInvalidLLVMValue(llvm::Module& module) const // For array out-of-bounds
{
return llvm::UndefValue::get(this->LLVMType(module));
}
void Type::emitIncrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const // Default implementation does nothing.
{
}
void Type::emitDecrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const // Default implementation does nothing.
{
}
void Type::emitDestructorCall(EmitLLVMCodeParams& params, llvm::Value* value, const std::string& comment) const
{
}
//==========================================================================
bool Float::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
return this->getType() == b.getType();
}
llvm::Type* Float::LLVMType(llvm::Module& module) const
{
return llvm::Type::getFloatTy(module.getContext());
}
const std::string Float::OpenCLCType(EmitOpenCLCodeParams& params) const
{
if(address_space.empty())
return "float";
else
return address_space + " float";
}
Reference<Value> Float::getInvalidValue() const // For array out-of-bounds
{
return new FloatValue(std::numeric_limits<float>::quiet_NaN());
}
llvm::Value* Float::getInvalidLLVMValue(llvm::Module& module) const // For array out-of-bounds
{
return llvm::ConstantFP::get(
module.getContext(),
llvm::APFloat::getSNaN(llvm::APFloat::IEEEsingle())
);
}
//==========================================================================
bool Double::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
return this->getType() == b.getType();
}
llvm::Type* Double::LLVMType(llvm::Module& module) const
{
return llvm::Type::getDoubleTy(module.getContext());
}
const std::string Double::OpenCLCType(EmitOpenCLCodeParams& params) const
{
if(address_space.empty())
return "double";
else
return address_space + " double";
}
Reference<Value> Double::getInvalidValue() const // For array out-of-bounds
{
return new DoubleValue(std::numeric_limits<double>::quiet_NaN());
}
llvm::Value* Double::getInvalidLLVMValue(llvm::Module& module) const // For array out-of-bounds
{
return llvm::ConstantFP::get(
module.getContext(),
llvm::APFloat::getSNaN(llvm::APFloat::IEEEdouble())
);
}
//==========================================================================
bool GenericType::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->genericTypeParamIndex() < (int)type_mapping.size() &&
type_mapping[this->genericTypeParamIndex()].nonNull()) // If type mapping for this type already exists
{
return *type_mapping[genericTypeParamIndex()] == b;
}
else // Else a type mapping for this generic type does not exist yet.
{
// Make space for it
if(this->genericTypeParamIndex() >= (int)type_mapping.size())
type_mapping.resize(this->genericTypeParamIndex() + 1);
type_mapping[this->genericTypeParamIndex()] = TypeRef((Type*)&b); // Add the mapping.
return true;
}
}
llvm::Type* GenericType::LLVMType(llvm::Module& module) const
{
assert(0);
return NULL;
}
//==========================================================================
const std::string Int::toString() const
{
if(is_signed)
{
if(num_bits == 32)
return "int";
else
return "int" + ::toString(num_bits);
}
else
{
if(num_bits == 32)
return "uint";
else
return "uint" + ::toString(num_bits);
}
}
llvm::Type* Int::LLVMType(llvm::Module& module) const
{
// Note that integer types in LLVM just specify a bit-width, but not if they are signed or not.
return llvm::Type::getIntNTy(module.getContext(), num_bits);
}
const std::string Int::OpenCLCType(EmitOpenCLCodeParams& params) const
{
const std::string u_prefix = is_signed ? "" : "u";
if(num_bits == 16)
return u_prefix + "short";
else if(num_bits == 32)
return u_prefix + "int";
else if(num_bits == 64)
return u_prefix + "long";
else
throw BaseException("No OpenCL type for int with num bits=" + ::toString(num_bits));
}
bool Int::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->getType() != b.getType())
return false;
// So b is an Int as well.
const Int& b_ = static_cast<const Int&>(b);
return num_bits == b_.num_bits && is_signed == b_.is_signed;
}
llvm::Value* Int::getInvalidLLVMValue(llvm::Module& module) const // For array out-of-bounds
{
return llvm::ConstantInt::get(
module.getContext(),
llvm::APInt(
num_bits, // num bits
0, // value
is_signed // signed
)
);
}
Reference<Value> Int::getInvalidValue() const // For array out-of-bounds
{
return new IntValue(0, true);
}
size_t Int::memSize() const
{
return Maths::roundedUpDivide(num_bits, 8);
}
//==========================================================================
bool Bool::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
return this->getType() == b.getType();
}
llvm::Type* Bool::LLVMType(llvm::Module& module) const
{
return llvm::Type::getInt1Ty(module.getContext());
}
//==========================================================================
bool String::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
return this->getType() == b.getType();
}
llvm::Type* String::LLVMStructType(llvm::Module& module) const
{
// See if there is a struct with this name already:
const std::string use_name = "string";
llvm::StructType* existing_struct_type = LLVMTypeUtils::getStructureTypeForName(use_name, module);
if(existing_struct_type)
return existing_struct_type;
// else create the named struct:
llvm::Type* field_types[] = {
llvm::Type::getInt64Ty(module.getContext()), // Reference count field
llvm::Type::getInt64Ty(module.getContext()), // length field (num elements)
llvm::Type::getInt64Ty(module.getContext()), // flags
llvm::ArrayType::get( // Variable-size array of element types
llvm::Type::getIntNTy(module.getContext(), 8),
0 // Num elements
)
};
return llvm::StructType::create(
module.getContext(),
field_types,
use_name
);
}
llvm::Type* String::LLVMType(llvm::Module& module) const
{
return LLVMTypeUtils::pointerType(LLVMStructType(module));
/*
llvm::Type* field_types[] = {
llvm::Type::getInt64Ty(module.getContext()) // Reference count field
};
return LLVMTypeUtils::pointerType(*llvm::StructType::get(
module.getContext(),
llvm::makeArrayRef(field_types, 1)
));
//return LLVMTypeUtils::voidPtrType(context);
*/
}
void String::emitIncrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
llvm::CallInst* inst = params.builder->CreateCall(params.common_functions.incrStringRefCountLLVMFunc, ref_counted_value);
addMetaDataCommentToInstruction(params, inst, comment);
}
void String::emitDecrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
//llvm::CallInst* inst = params.builder->CreateCall(params.common_functions.decrStringRefCountLLVMFunc, ref_counted_value);
//addMetaDataCommentToInstruction(params, inst, comment);
/*llvm::FunctionType* destructor_type = llvm::FunctionType::get(
llvm::Type::getVoidTy(*params.context), // return type
llvm::makeArrayRef(this->LLVMType(*params.module)),
false // varargs
);
llvm::Constant* destructor_func_constant = params.module->getOrInsertFunction(
"decr_string", // Name
destructor_type // Type
);
// TODO: check cast
llvm::Function* destructor_func = static_cast<llvm::Function*>(destructor_func_constant);*/
llvm::Function* destructor_func = RefCounting::getOrInsertDecrementorForType(params.module, this);
llvm::CallInst* call_inst = params.builder->CreateCall(destructor_func, ref_counted_value);
addMetaDataCommentToInstruction(params, call_inst, comment);
params.destructors_called_types->insert(this);
}
//==========================================================================
bool CharType::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
return this->getType() == b.getType();
}
llvm::Type* CharType::LLVMType(llvm::Module& module) const
{
return llvm::Type::getInt32Ty(module.getContext());
}
//==========================================================================
void Function::emitIncrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
// Cast to dummy function type.
const TypeRef dummy_function_type = Function::dummyFunctionType();
llvm::Value* cast_val = params.builder->CreatePointerCast(ref_counted_value, dummy_function_type->LLVMType(*params.module));
llvm::CallInst* inst = params.builder->CreateCall(params.common_functions.incrClosureRefCountLLVMFunc, cast_val);
addMetaDataCommentToInstruction(params, inst, comment);
}
void Function::emitDecrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
llvm::Function* destructor_func = RefCounting::getOrInsertDecrementorForType(params.module, this);
llvm::CallInst* call_inst = params.builder->CreateCall(destructor_func, ref_counted_value);
addMetaDataCommentToInstruction(params, call_inst, comment);
// NOTE: this right?
params.destructors_called_types->insert(this);
//this->getContainedTypesWithDestructors(*params.destructors_called_types);
}
bool Function::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->getType() != b.getType())
return false;
// So b is a Function as well.
const Function* b_ = static_cast<const Function*>(&b);
if(this->arg_types.size() != b_->arg_types.size())
return false;
for(unsigned int i=0;i<arg_types.size(); ++i)
if(!this->arg_types[i]->matchTypes(*b_->arg_types[i], type_mapping))
return false;
// if(!this->return_type->matchTypes(*b_->return_type, type_mapping))
// return false;
return true;
}
const std::string Function::toString() const // { return "function";
{
std::string s = "function<";
std::vector<std::string> typestrings;
for(unsigned int i=0;i<arg_types.size(); ++i)
typestrings.push_back(arg_types[i]->toString());
typestrings.push_back(this->return_type->toString());
//s += StringUtils::join(typestrings, ", ");
//s += ", " + this->return_type->toString();
s += StringUtils::join(typestrings, ", ");
return s + ">";
}
llvm::FunctionType* Function::destructorLLVMType(llvm::Module& module) const
{
llvm::Type* destructor_arg_types[1] = { LLVMTypeUtils::getPtrToBaseCapturedVarStructType(module) };
llvm::FunctionType* destructor_type = llvm::FunctionType::get(
llvm::Type::getVoidTy(module.getContext()), // return type
destructor_arg_types,
false // varargs
);
return destructor_type;
}
llvm::FunctionType* Function::functionLLVMType(llvm::Module& module) const
{
return LLVMTypeUtils::llvmFunctionType(
arg_types,
true, // use captured var struct ptr arg
return_type,
module
);
}
llvm::StructType* Function::closureLLVMStructType(llvm::Module& module) const
{
//TEMP: this need to be in sync with FunctionDefinition::emitLLVMCode()
//const bool simple_func_ptr = false;
//if(simple_func_ptr)
//{
// // Looks like we're not allowed to pass functions directly as args, have to be pointer-to-funcs
// llvm::Type* t = LLVMTypeUtils::pointerType(*LLVMTypeUtils::llvmFunctionType(
// arg_types,
// false, // use captured var struct ptr arg
// return_type,
// module
// ));
//
// //std::cout << "Function::LLVMType: " << std::endl;
// //t->dump();
// //std::cout << std::endl;
// return t;
//}
const std::string use_name = makeSafeStringForFunctionName(this->toString()) + "closure";
llvm::StructType* existing_struct_type = LLVMTypeUtils::getStructureTypeForName(use_name, module);
if(existing_struct_type)
return existing_struct_type;
// Build Empty LLVM CapturedVars struct
//vector<const llvm::Type*> cap_var_types;
//for(size_t i=0; i<this->captured_var_types.size(); ++i)
// cap_var_types.push_back(this->captured_var_types[i]->LLVMType(context));
/*const llvm::Type* cap_var_struct = llvm::StructType::get(
context,
cap_var_types
);*/
// Build vector of function args
/*vector<const llvm::Type*> llvm_arg_types(this->arg_types.size());
for(size_t i=0; i<this->arg_types.size(); ++i)
llvm_arg_types[i] = this->arg_types[i]->LLVMType(context);
// Add Pointer to captured var struct, if there are any captured vars
if(use_captured_vars)
llvm_arg_types.push_back(LLVMTypeUtils::pointerType(*cap_var_struct));
//TEMP HACK: add hidden void* arg NOTE: should only do this when hidden_void_arg is true.
llvm_arg_types.push_back(LLVMTypeUtils::voidPtrType(context));
// Construct the function pointer type
const llvm::Type* func_ptr_type = LLVMTypeUtils::pointerType(*llvm::FunctionType::get(
this->return_type->LLVMType(context), // result type
llvm_arg_types,
false // is var arg
));*/
llvm::Type* func_ptr_type = LLVMTypeUtils::pointerType(functionLLVMType(module));
llvm::FunctionType* destructor_type = destructorLLVMType(module);
//vector<const llvm::Type*> field_types;
// Add pointer to function type
//field_types.push_back(func_ptr_type);
//TEMP HACK: no captured vars
//for(size_t i=0; i<this->captured_vars.size(); ++i)
// field_types.push_back(this->captured_vars[i].type->LLVMType(context));
// Make the vector of fields for the closure type
llvm::Type* closure_field_types[] = {
llvm::Type::getInt64Ty(module.getContext()), // Ref count field
llvm::Type::getInt64Ty(module.getContext()), // flags field
func_ptr_type,
LLVMTypeUtils::pointerType(destructor_type),
LLVMTypeUtils::getBaseCapturedVarStructType(module) // cap_var_struct
};
// Return the closure structure type.
llvm::StructType* closure_struct_type = llvm::StructType::create(
module.getContext(),
llvm::makeArrayRef(closure_field_types),
use_name
);
//std::cout << "closure_struct_type: " << std::endl;
//closure_struct_type->dump();
//std::cout << std::endl;
return closure_struct_type;
}
/*
Let's say we have f(int x, int y, int z) x
That has captured two vars, and one uncaptured var (z)
so we have
struct CapturedVars
{
int x;
int y;
}
void (*FPtr)(int x, int y, int z, CapturedVars* vars);
and finally
struct Closure
{
FPtr func;
CapturedVars vars;
}
*/
llvm::Type* Function::LLVMType(llvm::Module& module) const
{
llvm::Type* closure_struct_type = closureLLVMStructType(module);
// Return pointer to structure type.
return LLVMTypeUtils::pointerType(*closure_struct_type);
}
llvm::Type* Function::LLVMStructType(llvm::Module& module) const
{
return closureLLVMStructType(module);
}
const std::string Function::OpenCLCType(EmitOpenCLCodeParams& params) const
{
throw BaseException("Function (closure) types not supported for OpenCL C emission");
}
void Function::emitDestructorCall(EmitLLVMCodeParams& params, llvm::Value* value, const std::string& comment) const
{
}
void Function::getContainedTypesWithDestructors(std::set<ConstTypeVRef, ConstTypeVRefLessThan>& types) const
{
}
bool Function::containsType(const Type& other_type) const
{
return false;
}
//==========================================================================
const std::string ArrayType::toString() const
{
return (address_space.empty() ? "" : address_space + " ") + "array<" + elem_type->toString() + ", " + ::toString(num_elems) + ">";
}
const std::string ArrayType::OpenCLCType(EmitOpenCLCodeParams& params) const
{
// For e.g. an array of floats, use type 'float*'.
if(this->address_space.empty())
return "__constant " + elem_type->OpenCLCType(params) + "*";
else
return address_space + " " + elem_type->OpenCLCType(params) + "*";
}
bool ArrayType::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->getType() != b.getType())
return false;
// So b is an Array as well.
const ArrayType* b_ = static_cast<const ArrayType*>(&b);
if(this->num_elems != b_->num_elems)
return false;
return this->elem_type->matchTypes(*b_->elem_type, type_mapping);
}
llvm::Type* ArrayType::LLVMType(llvm::Module& module) const
{
return llvm::ArrayType::get(
this->elem_type->LLVMType(module), // Element type
this->num_elems // Num elements
);
}
bool ArrayType::containsType(const Type& other_type) const
{
return isEqualToOrContains(*this->elem_type, other_type);
}
//==========================================================================
const std::string VArrayType::toString() const
{
return "varray<" + elem_type->toString() + ">";
}
const std::string VArrayType::OpenCLCType(EmitOpenCLCodeParams& params) const
{
// For e.g. an array of floats, use type 'float*'.
return elem_type->OpenCLCType(params) + "*";
}
bool VArrayType::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->getType() != b.getType())
return false;
// So b is a VArray as well.
const VArrayType* b_ = static_cast<const VArrayType*>(&b);
return this->elem_type->matchTypes(*b_->elem_type, type_mapping);
}
llvm::Type* VArrayType::LLVMDataArrayType(llvm::Module& module) const
{
return llvm::ArrayType::get( // Variable-size array of element types
this->elem_type->LLVMType(module),
0 // Num elements
);
}
llvm::Type* VArrayType::LLVMStructType(llvm::Module& module) const
{
// See if there is a struct with this name already:
const std::string use_name = makeSafeStringForFunctionName(this->toString());
llvm::StructType* existing_struct_type = LLVMTypeUtils::getStructureTypeForName(use_name, module);
if(existing_struct_type)
return existing_struct_type;
// else create the named struct:
//vector<llvm::Type*> field_types(this->component_types.size());
//for(size_t i=0; i<this->component_types.size(); ++i)
// field_types[i] = this->component_types[i]->LLVMType(module);
//return llvm::StructType::create(
// module.getContext(),
// field_types,
// this->name
// // NOTE: is_packed is default = false.
//);
llvm::Type* field_types[] = {
llvm::Type::getInt64Ty(module.getContext()), // Reference count field
llvm::Type::getInt64Ty(module.getContext()), // length field (num elements)
llvm::Type::getInt64Ty(module.getContext()), // flags
LLVMDataArrayType(module)
};
return llvm::StructType::create(
module.getContext(),
field_types,
use_name
);
}
llvm::Type* VArrayType::LLVMType(llvm::Module& module) const
{
return LLVMTypeUtils::pointerType(LLVMStructType(module));
}
void VArrayType::emitIncrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
//if(*params.currently_building_func_def->returnType() == *this) // Only do ref counting for this value if it is of the enclosing function return type.
{
const TypeRef dummy_varray_type = new VArrayType(new Int());
// Cast to dummy_varray_type
llvm::Value* cast_val = params.builder->CreatePointerCast(ref_counted_value, dummy_varray_type->LLVMType(*params.module));
llvm::CallInst* inst = params.builder->CreateCall(params.common_functions.incrVArrayRefCountLLVMFunc, cast_val);
addMetaDataCommentToInstruction(params, inst, comment);
}
}
void VArrayType::emitDecrRefCount(EmitLLVMCodeParams& params, llvm::Value* ref_counted_value, const std::string& comment) const
{
//if(*params.currently_building_func_def->returnType() == *this) // Only do ref counting for this value if it is of the enclosing function return type.
/*{
const TypeRef dummy_varray_type = new VArrayType(new Int());
// Cast to dummy_varray_type
llvm::Value* cast_val = params.builder->CreatePointerCast(ref_counted_value, dummy_varray_type->LLVMType(*params.module));
llvm::CallInst* inst = params.builder->CreateCall(params.common_functions.decrVArrayRefCountLLVMFunc, cast_val);
addMetaDataCommentToInstruction(params, inst, comment);
}*/
/*llvm::FunctionType* destructor_type = llvm::FunctionType::get(
llvm::Type::getVoidTy(*params.context), // return type
llvm::makeArrayRef(this->LLVMType(*params.module)),
false // varargs
);
llvm::Constant* destructor_func_constant = params.module->getOrInsertFunction(
"decr_" + this->toString(), // Name
destructor_type // Type
);
// TODO: check cast
llvm::Function* destructor_func = static_cast<llvm::Function*>(destructor_func_constant);*/
llvm::Function* destructor_func = RefCounting::getOrInsertDecrementorForType(params.module, this);
llvm::CallInst* call_inst = params.builder->CreateCall(destructor_func, ref_counted_value);
addMetaDataCommentToInstruction(params, call_inst, comment);
params.destructors_called_types->insert(this);
this->getContainedTypesWithDestructors(*params.destructors_called_types);
}
void VArrayType::emitDestructorCall(EmitLLVMCodeParams& params, llvm::Value* value, const std::string& comment) const
{
llvm::Function* destructor_func = RefCounting::getOrInsertDestructorForType(params.module, this);
llvm::CallInst* call_inst = params.builder->CreateCall(destructor_func, value);
addMetaDataCommentToInstruction(params, call_inst, comment);
params.destructors_called_types->insert(this);
this->getContainedTypesWithDestructors(*params.destructors_called_types);
}
void VArrayType::getContainedTypesWithDestructors(std::set<ConstTypeVRef, ConstTypeVRefLessThan>& types) const
{
types.insert(elem_type);
elem_type->getContainedTypesWithDestructors(types);
}
bool VArrayType::containsType(const Type& other_type) const
{
return isEqualToOrContains(*this->elem_type, other_type);
}
//==========================================================================
bool Map::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
throw BaseException("Map::matchTypes: unimplemented.");
}
llvm::Type* Map::LLVMType(llvm::Module& module) const
{
return LLVMTypeUtils::voidPtrType(module.getContext());
}
const std::string Map::OpenCLCType(EmitOpenCLCodeParams& params) const
{
assert(0);
return "";
}
//==========================================================================
StructureType::StructureType(const std::string& name_, const std::vector<TypeVRef>& component_types_, const std::vector<std::string>& component_names_)
: Type(StructureTypeType), name(name_), component_types(component_types_), component_names(component_names_)
{
//if(component_types_.size() != component_names_.size())
// throw Winter::BaseException("component_types_.size() != component_names_.size()");
}
const std::string StructureType::toString() const
{
return (address_space.empty() ? "" : address_space + " ") + name;
}
bool StructureType::matchTypes(const Type& b, std::vector<TypeRef>& type_mapping) const
{
if(this->getType() != b.getType())
return false;
// So b is a StructureType as well.
const StructureType* b_ = static_cast<const StructureType*>(&b);
if(this->name != b_->name)
return false;
for(size_t i=0; i<this->component_types.size(); ++i)
{
if(!this->component_types[i]->matchTypes(*b_->component_types[i], type_mapping))
return false;
// Fields have to have same name as well.
if(this->component_names[i] != b_->component_names[i])
return false;
}
return true;
}
llvm::Type* StructureType::LLVMType(llvm::Module& module) const
{
// See if there is a struct with this name already:
llvm::StructType* existing_struct_type = LLVMTypeUtils::getStructureTypeForName(this->name, module);
if(existing_struct_type)
return existing_struct_type;
// else create the named struct:
vector<llvm::Type*> field_types(this->component_types.size());
for(size_t i=0; i<this->component_types.size(); ++i)
field_types[i] = this->component_types[i]->LLVMType(module);
return llvm::StructType::create(
module.getContext(),
field_types,
this->name
// NOTE: is_packed is default = false.
);
}
const std::string StructureType::OpenCLCType(EmitOpenCLCodeParams& params) const
{
return mapOpenCLCVarName(params.opencl_c_keywords, name);
}
/*const std::string StructureType::toString() const
{
std::string s = "struct<";
std::vector<std::string> typestrings;
for(unsigned int i=0;i<arg_types.size(); ++i)
typestrings.push_back(arg_types[i]->toString());
typestrings.push_back(this->return_type->toString());
//s += StringUtils::join(typestrings, ", ");
//s += ", " + this->return_type->toString();
s += StringUtils::join(typestrings, ", ");
return s + ">";
}*/
const std::string StructureType::definitionString() const // Winter definition string, e.g "struct a { float b }"
{
std::string s = "struct " + name + "\n{\n";
for(size_t i=0; i<component_types.size(); ++i)
{
s += "\t" + component_types[i]->toString() + " " + component_names[i];
if(i + 1 < component_types.size())
s += ",";
s += "\n";
}
s += "}\n";
return s;
}
const std::string StructureType::getOpenCLCDefinition(EmitOpenCLCodeParams& params, bool emit_comments) const // Get full definition string, e.g. struct a { float b; };
{
const std::string use_struct_name = this->OpenCLCType(params);
std::string s = "typedef struct " + use_struct_name + "\n{\n";
for(size_t i=0; i<component_types.size(); ++i)
{
s += "\t" + component_types[i]->OpenCLCType(params) + " " + component_names[i] + ";\n";
}
s += "} " + use_struct_name + ";\n\n";
/*
// Make constructor.
// for struct S { float a, float b }, will look like
// S S_float_float(float a, float b) { S s; s.a = a; s.b = b; return s; }
// FunctionDefinition::Funct
FunctionSignature sig(name, component_types);
s += "// Constructor for " + toString() + "\n";
s += name + " " + sig.typeMangledName() + "(";
for(size_t i=0; i<component_types.size(); ++i)
{
// Non pass-by-value types are passed with a const C pointer.
const std::string use_type = !component_types[i]->OpenCLPassByPointer() ? component_types[i]->OpenCLCType(params) : ("const " + component_types[i]->OpenCLCType(params) + "* const ");
s += use_type + " " + component_names[i];
if(i + 1 < component_types.size())
s += ", ";
}
s += ") { " + name + " s_; ";
for(size_t i=0; i<component_types.size(); ++i)
s += "s_." + component_names[i] + " = " + (!component_types[i]->OpenCLPassByPointer() ? "" : "*") + component_names[i] + "; ";
s += "return s_; }\n\n";
*/
return s;
}
const std::string StructureType::getOpenCLCConstructor(EmitOpenCLCodeParams& params, bool emit_comments) const // Emit constructor for type
{
std::string s;
const std::string use_name = mapOpenCLCVarName(params.opencl_c_keywords, name);
// FunctionDefinition::Funct
FunctionSignature sig(name, component_types); // Just use raw name here for now. Will probably not clash with OpenCL C keywords due to type decoration.