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/*
* MRustC - Rust Compiler
* - By John Hodge (Mutabah/thePowersGang)
*
* expand/file_line.cpp
* - file! line! and macro_path! macros
*/
#include <synext.hpp>
#include "../parse/common.hpp"
#include "../parse/ttstream.hpp"
class CExpanderFile:
public ExpandProcMacro
{
::std::unique_ptr<TokenStream> expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override
{
return box$( TTStreamO(TokenTree(Token(TOK_STRING, sp.filename.c_str()))) );
}
};
class CExpanderLine:
public ExpandProcMacro
{
::std::unique_ptr<TokenStream> expand(const Span& sp, const AST::Crate& crate, const ::std::string& ident, const TokenTree& tt, AST::Module& mod) override
{
return box$( TTStreamO(TokenTree(Token((uint64_t)sp.start_line, CORETYPE_U32))) );
}
};
class CExpanderModulePath:
public ExpandProcMacro
{
::std::unique_ptr<TokenStream> 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);
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