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/* -*- mode: objc; coding: utf-8 -*- */
/* Toilet Lisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008 Matthias Andreas Benkard.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "MLKLexicalContext-MLKLLVMCompilation.h"
#import <Foundation/NSString.h>
#import <Foundation/NSValue.h>
#include <vector>
#include <llvm/BasicBlock.h>
#include <llvm/Constants.h>
#include <llvm/DerivedTypes.h>
#include <llvm/Instructions.h>
#include <llvm/Value.h>
using namespace llvm;
using namespace std;
id MLKDummyUseLLVMLexicalContext = nil;
@implementation MLKLexicalContext (MLKLLVMCompilation)
-(void) setVariableHeapAllocation:(BOOL)heapp
forSymbol:(id)name
{
[self setDeepProperty:[NSNumber numberWithBool:heapp]
forVariable:name
key:@"LLVM.heap-flag"];
}
-(BOOL) variableHeapAllocationForSymbol:(id)name;
{
id flag = [self propertyForVariable:name
key:@"LLVM.heap-flag"];
if (flag)
return [flag boolValue];
else
return (![self contextForVariable:name] || [self variableIsGlobal:name]);
}
-(Instruction *) functionCellValueForSymbol:(id)name
{
std::vector<const Type *> types (1, PointerType::get(Type::Int8Ty, 0));
return (new IntToPtrInst (ConstantInt::get(Type::Int64Ty,
(uint64_t)[self functionCellForSymbol:name],
false),
PointerType::get(PointerType::get(FunctionType::get(PointerType::get(Type::Int8Ty,
0),
types,
true),
0),
0)));
}
-(Instruction *) closureDataPointerValueForSymbol:(id)name
{
return (new IntToPtrInst (ConstantInt::get(Type::Int64Ty,
(uint64_t)[self closureDataPointerForSymbol:name],
false),
PointerType::get(PointerType::get(Type::Int8Ty, 0), 0)));
}
-(Instruction *) globalBindingValueForSymbol:(id)name
{
return (new IntToPtrInst (ConstantInt::get(Type::Int64Ty,
(uint64_t)[self bindingForSymbol:name],
false),
PointerType::get(Type::Int8Ty, 0)));
}
-(Value *) bindingValueForSymbol:(id)name
{
return (Value *) [[self propertyForVariable:name
key:@"LLVM.variable-binding"]
pointerValue];
}
-(void) locallySetBindingValue:(Value *)value forSymbol:(id)name
{
[self addShallowProperty:[NSValue valueWithPointer:value]
forVariable:name
key:@"LLVM.variable-binding"];
}
-(void) setBindingValue:(Value *)value forSymbol:(id)name
{
[self setDeepProperty:[NSValue valueWithPointer:value]
forVariable:name
key:@"LLVM.variable-binding"];
}
-(Value *) valueValueForSymbol:(id)name
{
return (Value *) [[self propertyForVariable:name
key:@"LLVM.variable-value"]
pointerValue];
}
// -(void) setFunctionCellValue:(Value *)cellPtr forSymbol:(id)name
// {
// [self setDeepProperty:[NSValue valueWithPointer:cellPtr]
// forFunction:name
// key:@"LLVM.function-cell"];
// }
// -(void) setClosureDataPointerValue:(Value *)pointer forSymbol:(id)name
// {
// [self setDeepProperty:[NSValue valueWithPointer:pointer]
// forFunction:name
// key:@"LLVM.closure-data"];
// }
// -(void) setBindingValue:(Value *)binding forSymbol:(id)name
// {
// [self setDeepProperty:[NSValue valueWithPointer:binding]
// forVariable:name
// key:@"LLVM.variable-binding"];
// }
-(void) setValueValue:(Value *)value forSymbol:(id)name
{
[self setDeepProperty:[NSValue valueWithPointer:value]
forVariable:name
key:@"LLVM.variable-value"];
}
@end
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