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add ssr fragment for expressions
| -rw-r--r-- | crates/ide_ssr/src/fragments.rs | 14 | ||||
| -rw-r--r-- | crates/ide_ssr/src/parsing.rs | 4 |
2 files changed, 16 insertions, 2 deletions
diff --git a/crates/ide_ssr/src/fragments.rs b/crates/ide_ssr/src/fragments.rs index 72d26d53a3..512b3ace01 100644 --- a/crates/ide_ssr/src/fragments.rs +++ b/crates/ide_ssr/src/fragments.rs @@ -35,3 +35,17 @@ pub(crate) fn item(s: &str) -> Result<SyntaxNode, ()> { } Ok(node.syntax().clone()) } + +pub(crate) fn expr(s: &str) -> Result<SyntaxNode, ()> { + let template = "const _: () = {};"; + let input = template.replace("{}", s); + let parse = syntax::SourceFile::parse(&input); + if !parse.errors().is_empty() { + return Err(()); + } + let node = parse.tree().syntax().descendants().find_map(ast::Expr::cast).ok_or(())?; + if node.to_string() != s { + return Err(()); + } + Ok(node.syntax().clone()) +} diff --git a/crates/ide_ssr/src/parsing.rs b/crates/ide_ssr/src/parsing.rs index 1d5633cfe0..03c7fed039 100644 --- a/crates/ide_ssr/src/parsing.rs +++ b/crates/ide_ssr/src/parsing.rs @@ -74,8 +74,8 @@ impl ParsedRule { }; let raw_template_stmt = raw_template.map(ast::Stmt::parse); - if let raw_template_expr @ Some(Ok(_)) = raw_template.map(ast::Expr::parse) { - builder.try_add(ast::Expr::parse(&raw_pattern), raw_template_expr); + if let raw_template_expr @ Some(Ok(_)) = raw_template.map(fragments::expr) { + builder.try_add2(fragments::expr(&raw_pattern), raw_template_expr); } else { builder.try_add(ast::Expr::parse(&raw_pattern), raw_template_stmt.clone()); } |