/* * MRustC - Rust Compiler * - By John Hodge (Mutabah/thePowersGang) * * expand/file_line.cpp * - file! line! and macro_path! macros */ #include #include "../parse/common.hpp" #include "../parse/ttstream.hpp" class CExpanderFile: public ExpandProcMacro { ::std::unique_ptr expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override { return box$( TTStreamO(TokenTree(Token(TOK_STRING, sp.filename.c_str()))) ); } }; class CExpanderLine: public ExpandProcMacro { ::std::unique_ptr expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override { return box$( TTStreamO(TokenTree(Token((uint64_t)sp.start_line, CORETYPE_U32))) ); } }; class CExpanderModulePath: public ExpandProcMacro { ::std::unique_ptr expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override { ::std::string path_str; for(const auto& comp : mod.path().nodes()) { if( &comp != &mod.path().nodes().front() ) path_str += "::"; path_str += comp.name(); } return box$( TTStreamO(TokenTree( Token(TOK_STRING, mv$(path_str)) )) ); } }; STATIC_MACRO("file", CExpanderFile); STATIC_MACRO("line", CExpanderLine); STATIC_MACRO("module_path", CExpanderModulePath);