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Evaluate __FILE__ and __LINE__ and put them in the doc comments #358

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Evaluate __FILE__ and __LINE__ and put them in the doc comments #358

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27 changes: 25 additions & 2 deletions crates/dreammaker/src/preprocessor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -978,7 +978,24 @@ impl<'ctx> Preprocessor<'ctx> {

// substitute special macros
if ident == "__FILE__" {
self.annotate_macro(ident, Location::builtins(), None);
let path = self.include_stack.top_file_path().to_str().unwrap();
let dm_path;

#[cfg(windows)] {
dm_path = path.replace("\\", "/");
}

#[cfg(not(windows))] {
dm_path = path.to_string();
}

let mut doc_collection = DocCollection::default();
doc_collection.push(DocComment {
kind: crate::docs::CommentKind::Line,
target: DocTarget::FollowingItem,
text: dm_path,
});
self.annotate_macro(ident, Location::builtins(), Some(Rc::new(doc_collection)));
for include in self.include_stack.stack.iter().rev() {
if let Include::File { ref path, .. } = *include {
self.output.push_back(Token::String(path.display().to_string()));
Expand All @@ -988,7 +1005,13 @@ impl<'ctx> Preprocessor<'ctx> {
self.output.push_back(Token::String(String::new()));
return Ok(());
} else if ident == "__LINE__" {
self.annotate_macro(ident, Location::builtins(), None);
let mut doc_collection = DocCollection::default();
doc_collection.push(DocComment {
kind: crate::docs::CommentKind::Line,
target: DocTarget::FollowingItem,
text: self.last_input_loc.line.to_string(),
});
self.annotate_macro(ident, Location::builtins(), Some(Rc::new(doc_collection)));
self.output.push_back(Token::Int(self.last_input_loc.line as i32));
return Ok(());
}
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