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Move module creation to IRModule

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This commit is contained in:
Sofia 2024-08-21 20:12:47 +03:00
parent 9a74158ae7
commit 22ee941ad6
1 changed files with 29 additions and 28 deletions
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57
src/codegen/llvm.rs
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@ -24,34 +24,7 @@ impl IRContext {
}
pub fn module<'a>(&'a mut self, name: String) -> IRModule<'a> {
unsafe {
let module =
LLVMModuleCreateWithNameInContext(into_cstring(name).as_ptr(), self.context);
// TODO, fix later!
let t = LLVMInt32TypeInContext(self.context);
let mut argts = [];
let func_type = LLVMFunctionType(t, argts.as_mut_ptr(), argts.len() as u32, 0);
let anon_func = LLVMAddFunction(module, into_cstring("testfunc").as_ptr(), func_type);
let blockref =
LLVMCreateBasicBlockInContext(self.context, into_cstring("entryblock").as_ptr());
LLVMPositionBuilderAtEnd(self.builder, blockref);
// What is the last 1 ?
let val = LLVMConstInt(t, mem::transmute(3 as i64), 1);
LLVMAppendExistingBasicBlock(anon_func, blockref);
LLVMBuildRet(self.builder, val);
IRModule {
context: self,
module,
}
}
IRModule::new(self, name)
}
}
@ -71,6 +44,34 @@ pub struct IRModule<'a> {
}
impl<'a> IRModule<'a> {
fn new(context: &'a mut IRContext, name: String) -> IRModule<'a> {
unsafe {
let module =
LLVMModuleCreateWithNameInContext(into_cstring(name).as_ptr(), context.context);
// TODO, fix later!
let t = LLVMInt32TypeInContext(context.context);
let mut argts = [];
let func_type = LLVMFunctionType(t, argts.as_mut_ptr(), argts.len() as u32, 0);
let anon_func = LLVMAddFunction(module, into_cstring("testfunc").as_ptr(), func_type);
let blockref =
LLVMCreateBasicBlockInContext(context.context, into_cstring("entryblock").as_ptr());
LLVMPositionBuilderAtEnd(context.builder, blockref);
// What is the last 1 ?
let val = LLVMConstInt(t, mem::transmute(3 as i64), 1);
LLVMAppendExistingBasicBlock(anon_func, blockref);
LLVMBuildRet(context.builder, val);
IRModule { context, module }
}
}
pub fn print_to_string(&mut self) -> Result<&str, std::str::Utf8Error> {
unsafe { CStr::from_ptr(LLVMPrintModuleToString(self.module)).to_str() }
}