1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // main.cc -- |
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8 | // |
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9 | // Author : Richard C. Bilson |
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10 | // Created On : Fri May 15 23:12:02 2015 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Tue Aug 16 17:47:52 2016 |
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13 | // Update Count : 252 |
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14 | // |
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15 | |
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16 | #include <iostream> |
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17 | #include <fstream> |
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18 | #include <getopt.h> |
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19 | #include "Parser/lex.h" |
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20 | #include "Parser/parser.h" |
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21 | #include "Parser/TypedefTable.h" |
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22 | #include "SynTree/Declaration.h" |
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23 | #include "SynTree/Visitor.h" |
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24 | #include "GenPoly/Lvalue.h" |
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25 | #include "GenPoly/Specialize.h" |
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26 | #include "GenPoly/Box.h" |
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27 | #include "GenPoly/CopyParams.h" |
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28 | #include "GenPoly/InstantiateGeneric.h" |
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29 | #include "CodeGen/Generate.h" |
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30 | #include "CodeGen/FixNames.h" |
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31 | #include "ControlStruct/Mutate.h" |
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32 | #include "Tuples/Mutate.h" |
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33 | #include "Tuples/FunctionChecker.h" |
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34 | #include "SymTab/Mangler.h" |
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35 | #include "SymTab/Indexer.h" |
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36 | #include "SymTab/Validate.h" |
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37 | #include "ResolvExpr/AlternativePrinter.h" |
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38 | #include "ResolvExpr/Resolver.h" |
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39 | #include "MakeLibCfa.h" |
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40 | #include "InitTweak/Mutate.h" |
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41 | #include "InitTweak/GenInit.h" |
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42 | #include "InitTweak/FixInit.h" |
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43 | |
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44 | #include "Common/SemanticError.h" |
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45 | #include "Common/UnimplementedError.h" |
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46 | |
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47 | #include "../config.h" |
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48 | |
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49 | using namespace std; |
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50 | |
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51 | #define OPTPRINT(x) if ( errorp ) std::cerr << x << std::endl; |
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52 | |
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53 | extern int yydebug; |
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54 | |
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55 | LinkageSpec::Type linkage = LinkageSpec::Cforall; |
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56 | TypedefTable typedefTable; |
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57 | DeclarationNode *parseTree = nullptr; // program parse tree |
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58 | |
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59 | bool |
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60 | astp = false, |
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61 | bresolvep = false, |
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62 | bboxp = false, |
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63 | ctorinitp = false, |
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64 | exprp = false, |
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65 | expraltp = false, |
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66 | grammarp = false, |
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67 | libcfap = false, |
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68 | nopreludep = false, |
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69 | noprotop = false, |
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70 | parsep = false, |
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71 | resolvep = false, // used in AlternativeFinder |
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72 | symtabp = false, |
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73 | treep = false, |
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74 | validp = false, |
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75 | errorp = false, |
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76 | codegenp = false; |
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77 | |
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78 | static void parse( FILE * input, LinkageSpec::Type t, bool shouldExit = false ); |
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79 | static void dump( std::list< Declaration * > & translationUnit, std::ostream & out = std::cout ); |
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80 | static void parse_cmdline( int argc, char *argv[], const char *&filename ); |
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81 | |
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82 | |
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83 | int main( int argc, char *argv[] ) { |
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84 | FILE *input; |
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85 | std::ostream *output = &std::cout; |
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86 | std::list< Declaration * > translationUnit; |
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87 | const char *filename = NULL; |
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88 | |
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89 | parse_cmdline( argc, argv, filename ); // process command-line arguments |
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90 | |
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91 | try { |
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92 | // choose to read the program from a file or stdin |
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93 | if ( optind < argc ) { |
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94 | input = fopen( argv[ optind ], "r" ); |
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95 | if ( ! input ) { |
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96 | std::cout << "Error: cannot open " << argv[ optind ] << std::endl; |
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97 | exit( EXIT_FAILURE ); |
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98 | } // if |
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99 | // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to) |
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100 | if ( filename == NULL ) filename = argv[ optind ]; |
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101 | // prelude filename comes in differently |
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102 | if ( libcfap ) filename = "prelude.cf"; |
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103 | optind += 1; |
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104 | } else { |
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105 | input = stdin; |
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106 | // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass |
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107 | // a fake name along |
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108 | if ( filename == NULL ) filename = "stdin"; |
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109 | } // if |
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110 | |
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111 | if ( optind < argc ) { |
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112 | output = new ofstream( argv[ optind ] ); |
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113 | } // if |
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114 | |
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115 | yydebug = grammarp; |
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116 | |
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117 | // read in the builtins, extras, and the prelude |
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118 | if ( ! nopreludep ) { // include gcc builtins |
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119 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. |
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120 | FILE * builtins = fopen( libcfap | treep ? "builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" ); |
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121 | if ( builtins == NULL ) { |
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122 | std::cerr << "Error: cannot open builtins.cf" << std::endl; |
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123 | exit( EXIT_FAILURE ); |
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124 | } // if |
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125 | parse( builtins, LinkageSpec::Compiler ); |
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126 | |
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127 | // read the extra prelude in, if not generating the cfa library |
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128 | FILE * extras = fopen( libcfap | treep ? "extras.cf" : CFA_LIBDIR "/extras.cf", "r" ); |
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129 | if ( extras == NULL ) { |
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130 | std::cerr << "Error: cannot open extras.cf" << std::endl; |
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131 | exit( EXIT_FAILURE ); |
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132 | } // if |
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133 | parse( extras, LinkageSpec::C ); |
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134 | |
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135 | if ( ! libcfap ) { |
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136 | // read the prelude in, if not generating the cfa library |
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137 | FILE * prelude = fopen( treep ? "prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" ); |
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138 | if ( prelude == NULL ) { |
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139 | std::cerr << "Error: cannot open prelude.cf" << std::endl; |
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140 | exit( EXIT_FAILURE ); |
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141 | } // if |
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142 | |
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143 | parse( prelude, LinkageSpec::Intrinsic ); |
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144 | } // if |
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145 | } // if |
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146 | |
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147 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, grammarp ); |
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148 | |
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149 | if ( parsep ) { |
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150 | parseTree->printList( std::cout ); |
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151 | delete parseTree; |
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152 | return 0; |
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153 | } // if |
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154 | |
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155 | buildList( parseTree, translationUnit ); |
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156 | delete parseTree; |
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157 | |
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158 | if ( astp ) { |
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159 | dump( translationUnit ); |
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160 | return 0; |
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161 | } // if |
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162 | |
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163 | // add the assignment statement after the initialization of a type parameter |
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164 | OPTPRINT( "validate" ) |
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165 | SymTab::validate( translationUnit, symtabp ); |
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166 | if ( symtabp ) { |
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167 | return 0; |
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168 | } // if |
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169 | |
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170 | if ( expraltp ) { |
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171 | ResolvExpr::AlternativePrinter printer( std::cout ); |
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172 | acceptAll( translationUnit, printer ); |
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173 | return 0; |
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174 | } // if |
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175 | |
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176 | if ( validp ) { |
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177 | dump( translationUnit ); |
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178 | return 0; |
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179 | } // if |
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180 | |
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181 | OPTPRINT( "mutate" ) |
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182 | ControlStruct::mutate( translationUnit ); |
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183 | OPTPRINT( "fixNames" ) |
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184 | CodeGen::fixNames( translationUnit ); |
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185 | OPTPRINT( "tweakInit" ) |
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186 | InitTweak::genInit( translationUnit ); |
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187 | |
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188 | if ( libcfap ) { |
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189 | // generate the bodies of cfa library functions |
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190 | LibCfa::makeLibCfa( translationUnit ); |
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191 | } // if |
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192 | |
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193 | if ( bresolvep ) { |
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194 | dump( translationUnit ); |
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195 | return 0; |
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196 | } // if |
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197 | |
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198 | OPTPRINT( "resolve" ) |
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199 | ResolvExpr::resolve( translationUnit ); |
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200 | if ( exprp ) { |
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201 | dump( translationUnit ); |
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202 | return 0; |
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203 | } |
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204 | |
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205 | // fix ObjectDecl - replaces ConstructorInit nodes |
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206 | OPTPRINT( "fixInit" ) |
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207 | InitTweak::fix( translationUnit, filename, libcfap || treep ); |
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208 | if ( ctorinitp ) { |
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209 | dump ( translationUnit ); |
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210 | return 0; |
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211 | } |
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212 | |
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213 | OPTPRINT("instantiateGenerics") |
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214 | GenPoly::instantiateGeneric( translationUnit ); |
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215 | OPTPRINT( "copyParams" ); |
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216 | GenPoly::copyParams( translationUnit ); |
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217 | OPTPRINT( "convertSpecializations" ) |
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218 | GenPoly::convertSpecializations( translationUnit ); |
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219 | OPTPRINT( "convertLvalue" ) |
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220 | GenPoly::convertLvalue( translationUnit ); |
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221 | |
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222 | if ( bboxp ) { |
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223 | dump( translationUnit ); |
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224 | return 0; |
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225 | } |
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226 | OPTPRINT( "box" ) |
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227 | GenPoly::box( translationUnit ); |
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228 | |
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229 | // print tree right before code generation |
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230 | if ( codegenp ) { |
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231 | dump( translationUnit ); |
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232 | return 0; |
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233 | } // if |
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234 | |
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235 | CodeGen::generate( translationUnit, *output, ! noprotop ); |
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236 | |
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237 | if ( output != &std::cout ) { |
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238 | delete output; |
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239 | } // if |
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240 | } catch ( SemanticError &e ) { |
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241 | if ( errorp ) { |
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242 | std::cerr << "---AST at error:---" << std::endl; |
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243 | dump( translationUnit, std::cerr ); |
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244 | std::cerr << std::endl << "---End of AST, begin error message:---\n" << std::endl; |
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245 | } |
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246 | e.print( std::cerr ); |
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247 | if ( output != &std::cout ) { |
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248 | delete output; |
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249 | } // if |
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250 | return 1; |
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251 | } catch ( UnimplementedError &e ) { |
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252 | std::cout << "Sorry, " << e.get_what() << " is not currently implemented" << std::endl; |
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253 | if ( output != &std::cout ) { |
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254 | delete output; |
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255 | } // if |
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256 | return 1; |
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257 | } catch ( CompilerError &e ) { |
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258 | std::cerr << "Compiler Error: " << e.get_what() << std::endl; |
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259 | std::cerr << "(please report bugs to " << std::endl; |
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260 | if ( output != &std::cout ) { |
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261 | delete output; |
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262 | } // if |
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263 | return 1; |
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264 | } // try |
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265 | |
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266 | deleteAll( translationUnit ); |
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267 | return 0; |
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268 | } // main |
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269 | |
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270 | void parse_cmdline( int argc, char *argv[], const char *&filename ) { |
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271 | enum { Ast, Bbox, Bresolver, CtorInitFix, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, Validate, }; |
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272 | |
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273 | static struct option long_opts[] = { |
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274 | { "ast", no_argument, 0, Ast }, |
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275 | { "before-box", no_argument, 0, Bbox }, |
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276 | { "before-resolver", no_argument, 0, Bresolver }, |
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277 | { "ctorinitfix", no_argument, 0, CtorInitFix }, |
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278 | { "expr", no_argument, 0, Expr }, |
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279 | { "expralt", no_argument, 0, ExprAlt }, |
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280 | { "grammar", no_argument, 0, Grammar }, |
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281 | { "libcfa", no_argument, 0, LibCFA }, |
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282 | { "no-preamble", no_argument, 0, Nopreamble }, |
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283 | { "parse", no_argument, 0, Parse }, |
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284 | { "no-prototypes", no_argument, 0, Prototypes }, |
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285 | { "resolver", no_argument, 0, Resolver }, |
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286 | { "symbol", no_argument, 0, Symbol }, |
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287 | { "tree", no_argument, 0, Tree }, |
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288 | { "validate", no_argument, 0, Validate }, |
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289 | { 0, 0, 0, 0 } |
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290 | }; // long_opts |
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291 | int long_index; |
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292 | |
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293 | opterr = 0; // (global) prevent getopt from printing error messages |
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294 | |
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295 | int c; |
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296 | while ( (c = getopt_long( argc, argv, "abBcefglnpqrstvyzD:F:", long_opts, &long_index )) != -1 ) { |
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297 | switch ( c ) { |
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298 | case Ast: |
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299 | case 'a': // dump AST |
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300 | astp = true; |
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301 | break; |
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302 | case Bresolver: |
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303 | case 'b': // print before resolver steps |
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304 | bresolvep = true; |
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305 | break; |
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306 | case 'B': // print before resolver steps |
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307 | bboxp = true; |
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308 | break; |
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309 | case CtorInitFix: |
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310 | case 'c': |
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311 | ctorinitp = true; |
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312 | break; |
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313 | case Expr: |
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314 | case 'e': // dump AST after expression analysis |
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315 | exprp = true; |
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316 | break; |
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317 | case ExprAlt: |
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318 | case 'f': // print alternatives for expressions |
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319 | expraltp = true; |
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320 | break; |
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321 | case Grammar: |
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322 | case 'g': // bison debugging info (grammar rules) |
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323 | grammarp = true; |
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324 | break; |
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325 | case LibCFA: |
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326 | case 'l': // generate libcfa.c |
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327 | libcfap = true; |
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328 | break; |
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329 | case Nopreamble: |
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330 | case 'n': // do not read preamble |
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331 | nopreludep = true; |
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332 | break; |
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333 | case Prototypes: |
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334 | case 'p': // generate prototypes for preamble functions |
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335 | noprotop = true; |
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336 | break; |
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337 | case Parse: |
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338 | case 'q': // dump parse tree |
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339 | parsep = true; |
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340 | break; |
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341 | case Resolver: |
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342 | case 'r': // print resolver steps |
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343 | resolvep = true; |
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344 | break; |
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345 | case Symbol: |
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346 | case 's': // print symbol table events |
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347 | symtabp = true; |
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348 | break; |
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349 | case Tree: |
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350 | case 't': // build in tree |
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351 | treep = true; |
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352 | break; |
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353 | case 'v': // dump AST after decl validation pass |
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354 | validp = true; |
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355 | break; |
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356 | case 'y': |
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357 | errorp = true; |
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358 | break; |
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359 | case 'z': |
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360 | codegenp = true; |
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361 | break; |
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362 | case 'D': // ignore -Dxxx |
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363 | break; |
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364 | case 'F': // source file-name without suffix |
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365 | filename = optarg; |
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366 | break; |
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367 | case '?': |
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368 | cout << "Unknown option: '" << (char)optopt << "'" << endl; |
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369 | exit( EXIT_FAILURE ); |
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370 | default: |
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371 | abort(); |
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372 | } // switch |
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373 | } // while |
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374 | } // parse_cmdline |
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375 | |
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376 | static void parse( FILE * input, LinkageSpec::Type link, bool shouldExit ) { |
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377 | extern int yyparse( void ); |
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378 | extern FILE *yyin; |
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379 | extern int yylineno; |
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380 | |
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381 | linkage = link; // set globals |
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382 | yyin = input; |
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383 | yylineno = 1; |
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384 | typedefTable.enterScope(); |
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385 | int parseStatus = yyparse(); |
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386 | |
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387 | fclose( input ); |
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388 | if ( shouldExit || parseStatus != 0 ) { |
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389 | exit( parseStatus ); |
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390 | } // if |
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391 | } // parse |
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392 | |
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393 | static bool notPrelude( Declaration * decl ) { |
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394 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); |
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395 | } // notPrelude |
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396 | |
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397 | static void dump( std::list< Declaration * > & translationUnit, std::ostream & out ) { |
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398 | std::list< Declaration * > decls; |
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399 | if ( noprotop ) { |
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400 | filter( translationUnit.begin(), translationUnit.end(), std::back_inserter( decls ), notPrelude ); |
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401 | } else { |
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402 | decls = translationUnit; |
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403 | } |
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404 | |
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405 | printAll( decls, out ); |
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406 | deleteAll( translationUnit ); |
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407 | } // dump |
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408 | |
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409 | // Local Variables: // |
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410 | // tab-width: 4 // |
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411 | // mode: c++ // |
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412 | // compile-command: "make install" // |
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413 | // End: // |
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