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spans always come from real file

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This commit is contained in:
Lukas Wirth 2023-11-24 16:38:48 +01:00
parent 394d11b0fa
commit 30093a6d81
57 changed files with 1369 additions and 1224 deletions
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22
crates/rust-analyzer/src/cargo_target_spec.rs
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@ -209,24 +209,26 @@ mod tests {
use super::*;
use cfg::CfgExpr;
use hir::HirFileId;
use ide_db::base_db::span::{SpanAnchor, SyntaxContextId, ROOT_ERASED_FILE_AST_ID};
use mbe::syntax_node_to_token_tree;
use hir_def::tt::{self, Span};
use mbe::{syntax_node_to_token_tree, SpanMapper};
use syntax::{
ast::{self, AstNode},
SmolStr, TextSize,
SmolStr,
};
struct NoOpMap;
impl SpanMapper<tt::SpanData> for NoOpMap {
fn span_for(&self, _: syntax::TextRange) -> tt::SpanData {
tt::SpanData::DUMMY
}
}
fn check(cfg: &str, expected_features: &[&str]) {
let cfg_expr = {
let source_file = ast::SourceFile::parse(cfg).ok().unwrap();
let tt = source_file.syntax().descendants().find_map(ast::TokenTree::cast).unwrap();
let tt = syntax_node_to_token_tree::<_, SyntaxContextId>(
tt.syntax(),
SpanAnchor { file_id: HirFileId::from(0), ast_id: ROOT_ERASED_FILE_AST_ID },
TextSize::new(0),
&Default::default(),
);
let tt = syntax_node_to_token_tree(tt.syntax(), &NoOpMap);
CfgExpr::parse(&tt)
};