[13de47bc] | 1 | // |
---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
---|
| 3 | // |
---|
| 4 | // The contents of this file are covered under the licence agreement in the |
---|
| 5 | // file "LICENCE" distributed with Cforall. |
---|
| 6 | // |
---|
[bf2438c] | 7 | // FixMain.cc -- |
---|
[13de47bc] | 8 | // |
---|
| 9 | // Author : Thierry Delisle |
---|
| 10 | // Created On : Thr Jan 12 14:11:09 2017 |
---|
[bf2438c] | 11 | // Last Modified By : |
---|
| 12 | // Last Modified On : |
---|
[13de47bc] | 13 | // Update Count : 0 |
---|
| 14 | // |
---|
[7cc2c8d] | 15 | |
---|
[13de47bc] | 16 | |
---|
[bf2438c] | 17 | #include "FixMain.h" |
---|
[13de47bc] | 18 | |
---|
[bf2438c] | 19 | #include <cassert> // for assert, assertf |
---|
| 20 | #include <fstream> // for operator<<, basic_ostream::operator<< |
---|
| 21 | #include <list> // for list |
---|
| 22 | #include <string> // for operator<< |
---|
[13de47bc] | 23 | |
---|
[bf2438c] | 24 | #include "Common/SemanticError.h" // for SemanticError |
---|
| 25 | #include "SynTree/Declaration.h" // for FunctionDecl, operator<< |
---|
| 26 | #include "SynTree/Type.h" // for FunctionType |
---|
[13de47bc] | 27 | |
---|
| 28 | namespace CodeGen { |
---|
| 29 | bool FixMain::replace_main = false; |
---|
| 30 | std::unique_ptr<FunctionDecl> FixMain::main_signature = nullptr; |
---|
[bf2438c] | 31 | |
---|
| 32 | void FixMain::registerMain(FunctionDecl* functionDecl) |
---|
[13de47bc] | 33 | { |
---|
[bf2438c] | 34 | if(main_signature) { |
---|
| 35 | throw SemanticError("Multiple definition of main routine\n", functionDecl); |
---|
[13de47bc] | 36 | } |
---|
| 37 | main_signature.reset( functionDecl->clone() ); |
---|
| 38 | } |
---|
| 39 | |
---|
| 40 | void FixMain::fix(std::ostream &os, const char* bootloader_filename) { |
---|
| 41 | if( main_signature ) { |
---|
| 42 | os << "static inline int invoke_main(int argc, char* argv[], char* envp[]) { (void)argc; (void)argv; (void)envp; return "; |
---|
| 43 | |
---|
| 44 | os << main_signature->get_scopedMangleName() << "("; |
---|
| 45 | switch(main_signature->get_functionType()->get_parameters().size()) { |
---|
| 46 | case 3: os << "argc, argv, envp"; break; |
---|
| 47 | case 2: os << "argc, argv"; break; |
---|
| 48 | case 0: break; |
---|
| 49 | default : assert(false); |
---|
| 50 | } |
---|
| 51 | os << "); }\n"; |
---|
| 52 | |
---|
| 53 | std::ifstream bootloader(bootloader_filename, std::ios::in); |
---|
| 54 | assertf( bootloader.is_open(), "cannot open bootloader.c\n" ); |
---|
| 55 | os << bootloader.rdbuf(); |
---|
| 56 | } |
---|
| 57 | } |
---|
[bf2438c] | 58 | }; |
---|