mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #239 from rust-lang/fix/expandloadu

Browse Source 
Escape { and } in inline asm
This commit is contained in:
antoyo 2022-11-24 13:54:59 -05:00 committed by GitHub
commit 3c03c8f048
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/asm.rs
View File

@ -381,15 +381,19 @@ fn codegen_inline_asm(&mut self, template: &[InlineAsmTemplatePiece], rust_opera
for piece in template {
match *piece {
InlineAsmTemplatePiece::String(ref string) => {
// TODO(@Commeownist): switch to `Iterator::intersperse` once it's stable
let mut iter = string.split('%');
if let Some(s) = iter.next() {
template_str.push_str(s);
}
for s in iter {
template_str.push_str("%%");
template_str.push_str(s);
for char in string.chars() {
// TODO(antoyo): might also need to escape | if rustc doesn't do it.
let escaped_char =
match char {
'%' => "%%",
'{' => "%{",
'}' => "%}",
_ => {
template_str.push(char);
continue;
},
};
template_str.push_str(escaped_char);
}
}
InlineAsmTemplatePiece::Placeholder { operand_idx, modifier, span: _ } => {