68 lines
2 KiB
Rust
68 lines
2 KiB
Rust
use ra_syntax::{ast, AstNode,};
|
|
use ra_db::SyntaxDatabase;
|
|
|
|
use crate::{
|
|
FileId, HighlightedRange,
|
|
db::RootDatabase,
|
|
};
|
|
|
|
pub(crate) fn highlight(db: &RootDatabase, file_id: FileId) -> Vec<HighlightedRange> {
|
|
let source_file = db.source_file(file_id);
|
|
let mut res = ra_ide_api_light::highlight(source_file.syntax());
|
|
for macro_call in source_file
|
|
.syntax()
|
|
.descendants()
|
|
.filter_map(ast::MacroCall::cast)
|
|
{
|
|
if let Some((off, exp)) = hir::MacroDef::ast_expand(macro_call) {
|
|
let mapped_ranges = ra_ide_api_light::highlight(&exp.syntax())
|
|
.into_iter()
|
|
.filter_map(|r| {
|
|
let mapped_range = exp.map_range_back(r.range)?;
|
|
let res = HighlightedRange {
|
|
range: mapped_range + off,
|
|
tag: r.tag,
|
|
};
|
|
Some(res)
|
|
});
|
|
res.extend(mapped_ranges);
|
|
}
|
|
}
|
|
res
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::mock_analysis::single_file;
|
|
|
|
use insta::assert_debug_snapshot_matches;
|
|
|
|
#[test]
|
|
fn highlights_code_inside_macros() {
|
|
let (analysis, file_id) = single_file(
|
|
"
|
|
fn main() {
|
|
ctry!({ let x = 92; x});
|
|
vec![{ let x = 92; x}];
|
|
}
|
|
",
|
|
);
|
|
let highlights = analysis.highlight(file_id).unwrap();
|
|
assert_debug_snapshot_matches!("highlights_code_inside_macros", &highlights);
|
|
}
|
|
|
|
// FIXME: this test is not really necessary: artifact of the inital hacky
|
|
// macros implementation.
|
|
#[test]
|
|
fn highlight_query_group_macro() {
|
|
let (analysis, file_id) = single_file(
|
|
"
|
|
salsa::query_group! {
|
|
pub trait HirDatabase: SyntaxDatabase {}
|
|
}
|
|
",
|
|
);
|
|
let highlights = analysis.highlight(file_id).unwrap();
|
|
assert_debug_snapshot_matches!("highlight_query_group_macro", &highlights);
|
|
}
|
|
}
|