Noratrieb/uwucc
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first working code

Browse source 
```
int main() {
    long a = 0;
}
```

codegens correctly.
This commit is contained in:
nora 2023-05-28 18:52:51 +02:00
parent 92243712e7
commit d0be270de2
14 changed files with 235 additions and 160 deletions
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20
codegen/src/lib.rs
View file

@ -1,5 +1,3 @@
#![allow(unused)]
mod x86_64;
use std::process::Stdio;
@ -9,8 +7,9 @@ use object::{
elf,
write::{Object, Symbol},
};
use parser::Error;
type Result<T, E = analysis::Error> = std::result::Result<T, E>;
type Result<T, E = Error> = std::result::Result<T, E>;
pub fn generate<'cx>(lcx: &'cx LoweringCx<'cx>, ir: &Ir<'cx>) -> Result<()> {
let mut obj = Object::new(
@ -43,25 +42,24 @@ pub fn generate<'cx>(lcx: &'cx LoweringCx<'cx>, ir: &Ir<'cx>) -> Result<()> {
obj.add_symbol(sym);
}
let object_file = obj.write().map_err(|err| {
analysis::Error::new_without_span(format!("failed to create object file: {err}"))
})?;
let object_file = obj
.write()
.map_err(|err| Error::new_without_span(format!("failed to create object file: {err}")))?;
std::fs::write("main.o", object_file).map_err(|err| {
analysis::Error::new_without_span(format!("failed to write object file main.o: {err}"))
Error::new_without_span(format!("failed to write object file main.o: {err}"))
})?;
let output = std::process::Command::new("cc")
.arg("main.o")
.arg("-g")
.stdout(Stdio::inherit())
.stderr(Stdio::inherit())
.output()
.map_err(|err| analysis::Error::new_without_span(format!("failed to spawn `cc`: {err}")))?;
.map_err(|err| Error::new_without_span(format!("failed to spawn `cc`: {err}")))?;
if !output.status.success() {
return Err(analysis::Error::new_without_span(format!(
"linking with `cc` failed"
)));
return Err(Error::new_without_span(format!("linking with `cc` failed")));
} else {
// std::fs::remove_file("main.o").map_err(|err| {
// analysis::Error::new_without_span(format!(