diff options
Diffstat (limited to 'src/expand/file_line.cpp')
-rw-r--r-- | src/expand/file_line.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/expand/file_line.cpp b/src/expand/file_line.cpp new file mode 100644 index 00000000..a4117d70 --- /dev/null +++ b/src/expand/file_line.cpp @@ -0,0 +1,30 @@ +/* + */ +#include <synext.hpp> +#include "../parse/common.hpp" + +class CExpanderFile: + public ExpandProcMacro +{ + bool expand_early() const override { return true; } + + ::std::unique_ptr<TokenStream> expand(Span sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override + { + return box$( TTStreamO(TokenTree(Token(TOK_STRING, sp.filename))) ); + } +}; + +class CExpanderLine: + public ExpandProcMacro +{ + bool expand_early() const override { return true; } + + ::std::unique_ptr<TokenStream> expand(Span sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override + { + return box$( TTStreamO(TokenTree(Token((uint64_t)sp.start_line, CORETYPE_I32))) ); + } +}; + +STATIC_MACRO("file", CExpanderFile); +STATIC_MACRO("line", CExpanderLine); + |