catdog2/scully
1
0
Fork 0
Code Issues Pull Requests Releases Activity

Merge branch 'master' of git.tuxzone.org:woc2013

Browse Source
This commit is contained in:
Peter Dahlberg
2013-06-01 17:01:00 +02:00
parent c468356c57 79339fe70e
commit f3797a0f26
3 changed files with 53 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/AST/CodeGenVisitor.cpp
View File

@@ -88,6 +88,38 @@ void CodeGenVisitor::visit(FunctionCallExpression* e) {
}
void CodeGenVisitor::visit(FunctionDefinition* e) {
std::vector<llvm::Type*> argTypes;
auto params = e->getParams()->getParameters();
auto iter = params.begin();
auto end = params.end();
for (; iter != end; ++iter) {
Parameter& p = (*iter);
argTypes.push_back(typeToLLVMType(p.first));
}
llvm::FunctionType* ft = llvm::FunctionType::get(typeToLLVMType(e->getType()), argTypes, false);
llvm::Function *f = llvm::Function::Create(ft, llvm::Function::ExternalLinkage, e->getName(), module_);
// If f conflicted, there was already something named 'Name'. If it has a body,
// don't allow redefinition or reextern.
if (f->getName() != e->getName()) {
f->eraseFromParent();
f = module_->getFunction(e->getName());
// If f already has a body, reject this.
if (!f->empty()) {
throw "redefinition of function";
}
// If f took a different number of args, reject.
if (f->arg_size() != e->getParams()->getParameters().size()) {
throw "redefinition of function with different # of arguments";
}
}
// TODO set arg names
value_ = f;
}
void CodeGenVisitor::visit(IfStatement* e) {