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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2022-04-07 08:16:07 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-07 08:16:07 +0000 |
| commit | b829e7c0a21c94672d09732e4a791e0471f41c13 (patch) | |
| tree | 4a31cbcfb6c84de1a0082baeffe66392d7a0e97e /gcc/rust/expand/rust-macro-builtins.cc | |
| parent | 779de323f3cc5cf2bb43050b135fbbeb3b3716cb (diff) | |
| parent | 35570ae4104086a20069f967fea35d7850f0710f (diff) | |
| download | gcc-b829e7c0a21c94672d09732e4a791e0471f41c13.zip gcc-b829e7c0a21c94672d09732e4a791e0471f41c13.tar.gz gcc-b829e7c0a21c94672d09732e4a791e0471f41c13.tar.bz2 | |
Merge #1080
1080: macros: add compile_error! macro r=CohenArthur a=liushuyu
- Added `compile_error` macro
Co-authored-by: liushuyu <liushuyu011@gmail.com>
Diffstat (limited to 'gcc/rust/expand/rust-macro-builtins.cc')
| -rw-r--r-- | gcc/rust/expand/rust-macro-builtins.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/rust/expand/rust-macro-builtins.cc b/gcc/rust/expand/rust-macro-builtins.cc index f9b8e30..3cd6e43 100644 --- a/gcc/rust/expand/rust-macro-builtins.cc +++ b/gcc/rust/expand/rust-macro-builtins.cc @@ -236,4 +236,20 @@ MacroBuiltin::include_str (Location invoc_locus, AST::MacroInvocData &invoc) return AST::ASTFragment ({node}); } +/* Expand builtin macro compile_error!("error"), which forces a compile error + during the compile time. */ +AST::ASTFragment +MacroBuiltin::compile_error (Location invoc_locus, AST::MacroInvocData &invoc) +{ + auto lit_expr + = parse_single_string_literal (invoc.get_delim_tok_tree (), invoc_locus); + if (lit_expr == nullptr) + return AST::ASTFragment::create_error (); + + std::string error_string = lit_expr->as_string (); + rust_error_at (invoc_locus, "%s", error_string.c_str ()); + + return AST::ASTFragment::create_error (); +} + } // namespace Rust |