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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 "MLKLLVMCompiler.h"
#import <Foundation/NSArray.h>
#import <Foundation/NSString.h>
#include <llvm/Analysis/Verifier.h>
#include <llvm/BasicBlock.h>
#include <llvm/DerivedTypes.h>
#include <llvm/ExecutionEngine/ExecutionEngine.h>
#include <llvm/Module.h>
#include <llvm/ModuleProvider.h>
#include <llvm/PassManager.h>
#include <llvm/Support/IRBuilder.h>
#include <llvm/Value.h>
using namespace llvm;
static ExecutionEngine *execution_engine;
static llvm::Module *module;
static IRBuilder builder;
static FunctionPassManager *fpm;
@implementation MLKLLVMCompiler
+(void) initialize
{
module = new llvm::Module ("MLKLLVMModule");
execution_engine = ExecutionEngine::create (module);
}
+(id) compile:(id)object
inContext:(MLKLexicalContext *)context
{
Value *v = NULL;
BasicBlock *block;
std::vector<const Type*> noargs (0, Type::VoidTy);
FunctionType *function_type = FunctionType::get (PointerType::get (Type::VoidTy, 0),
noargs,
false);
Function *function = Function::Create (function_type,
Function::ExternalLinkage,
"",
module);
id (*fn)();
block = BasicBlock::Create ("entry", function);
builder.SetInsertPoint (block);
v = [self processForm:[MLKForm formWithObject:object
inContext:context
forCompiler:self]
inBlock:&block];
builder.CreateRet (v);
verifyFunction (*function);
fpm->run (*function);
// JIT-compile.
fn = (id (*)()) execution_engine->getPointerToFunction (function);
return fn ();
}
+(void) processTopLevelForm:(id)object
{
//FIXME
}
+(Value *) processForm:(MLKForm *)form
inBlock:(BasicBlock **)block
{
return [form processForLLVMInBlock:block];
}
@end
@implementation MLKForm (MLKLLVMCompilation)
-(Value *) processForLLVMInBlock:(BasicBlock **)block
{
NSLog (@"WARNING: Unrecognised form type: %@", self);
return NULL;
}
@end
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