Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide-completion/src/context.rs')
| -rw-r--r-- | crates/ide-completion/src/context.rs | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/crates/ide-completion/src/context.rs b/crates/ide-completion/src/context.rs index 9850813a0c..27f6745d24 100644 --- a/crates/ide-completion/src/context.rs +++ b/crates/ide-completion/src/context.rs @@ -19,7 +19,7 @@ use syntax::{ ast::{self, AttrKind, NameOrNameRef}, AstNode, SyntaxKind::{self, *}, - SyntaxToken, TextRange, TextSize, + SyntaxToken, TextRange, TextSize, T, }; use text_edit::Indel; @@ -569,6 +569,28 @@ impl<'a> CompletionContext<'a> { // completing on let original_token = original_file.syntax().token_at_offset(offset).left_biased()?; + // try to skip completions on path with qinvalid colons + // this approach works in normal path and inside token tree + match original_token.kind() { + T![:] => { + // return if no prev token before colon + let prev_token = original_token.prev_token()?; + + // only has a single colon + if prev_token.kind() != T![:] { + return None; + } + + if !is_prev_token_valid_path_start_or_segment(&prev_token) { + return None; + } + } + T![::] if !is_prev_token_valid_path_start_or_segment(&original_token) => { + return None; + } + _ => {} + } + let AnalysisResult { analysis, expected: (expected_type, expected_name), @@ -618,6 +640,24 @@ impl<'a> CompletionContext<'a> { } } +fn is_prev_token_valid_path_start_or_segment(token: &SyntaxToken) -> bool { + if let Some(prev_token) = token.prev_token() { + // token before coloncolon is invalid + if !matches!( + prev_token.kind(), + // trival + WHITESPACE | COMMENT + // PathIdentSegment + | IDENT | T![super] | T![self] | T![Self] | T![crate] + // QualifiedPath + | T![>] + ) { + return false; + } + } + true +} + const OP_TRAIT_LANG_NAMES: &[&str] = &[ "add_assign", "add", |