Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-def/src/macro_expansion_tests/mod.rs')
| -rw-r--r-- | crates/hir-def/src/macro_expansion_tests/mod.rs | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/crates/hir-def/src/macro_expansion_tests/mod.rs b/crates/hir-def/src/macro_expansion_tests/mod.rs index 1c69b37f16..5e95b06139 100644 --- a/crates/hir-def/src/macro_expansion_tests/mod.rs +++ b/crates/hir-def/src/macro_expansion_tests/mod.rs @@ -20,13 +20,14 @@ use base_db::RootQueryDb; use expect_test::Expect; use hir_expand::{ AstId, InFile, MacroCallId, MacroCallKind, MacroKind, + builtin::quote::quote, db::ExpandDatabase, proc_macro::{ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind}, span_map::SpanMapRef, }; -use intern::Symbol; +use intern::{Symbol, sym}; use itertools::Itertools; -use span::{Edition, Span}; +use span::{Edition, ROOT_ERASED_FILE_AST_ID, Span, SpanAnchor, SyntaxContext}; use stdx::{format_to, format_to_acc}; use syntax::{ AstNode, AstPtr, @@ -34,7 +35,9 @@ use syntax::{ SyntaxNode, T, ast::{self, edit::IndentLevel}, }; +use syntax_bridge::token_tree_to_syntax_node; use test_fixture::WithFixture; +use tt::{TextRange, TextSize}; use crate::{ AdtId, Lookup, ModuleDefId, @@ -386,3 +389,38 @@ impl ProcMacroExpander for IdentityWhenValidProcMacroExpander { other.type_id() == TypeId::of::<Self>() } } + +#[test] +fn regression_20171() { + // This really isn't the appropriate place to put this test, but it's convenient with access to `quote!`. + let span = Span { + range: TextRange::empty(TextSize::new(0)), + anchor: SpanAnchor { + file_id: span::EditionedFileId::current_edition(span::FileId::from_raw(0)), + ast_id: ROOT_ERASED_FILE_AST_ID, + }, + ctx: SyntaxContext::root(Edition::CURRENT), + }; + let close_brace = tt::Punct { char: '}', spacing: tt::Spacing::Alone, span }; + let dotdot1 = tt::Punct { char: '.', spacing: tt::Spacing::Joint, span }; + let dotdot2 = tt::Punct { char: '.', spacing: tt::Spacing::Alone, span }; + let dollar_crate = sym::dollar_crate; + let tt = quote! { + span => { + if !((matches!( + drive_parser(&mut parser, data, false), + Err(TarParserError::CorruptField { + field: CorruptFieldContext::PaxKvLength, + error: GeneralParseError::ParseInt(ParseIntError { #dotdot1 #dotdot2 }) + }) + #close_brace ))) { + #dollar_crate::panic::panic_2021!(); + }} + }; + token_tree_to_syntax_node( + &tt, + syntax_bridge::TopEntryPoint::MacroStmts, + &mut |_| Edition::CURRENT, + Edition::CURRENT, + ); +} |