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 : Wed May 2 14:59:02 2018 |
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13 | // Update Count : 490 |
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14 | // |
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15 | |
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16 | #include <cxxabi.h> // for __cxa_demangle |
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17 | #include <execinfo.h> // for backtrace, backtrace_symbols |
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18 | #include <getopt.h> // for no_argument, optind, geto... |
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19 | #include <signal.h> // for signal, SIGABRT, SIGSEGV |
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20 | #include <cassert> // for assertf |
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21 | #include <cstdio> // for fopen, FILE, fclose, stdin |
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22 | #include <cstdlib> // for exit, free, abort, EXIT_F... |
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23 | #include <cstring> // for index |
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24 | #include <fstream> // for ofstream |
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25 | #include <iostream> // for operator<<, basic_ostream |
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26 | #include <iterator> // for back_inserter |
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27 | #include <list> // for list |
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28 | #include <string> // for char_traits, operator<< |
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29 | |
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30 | #include "../config.h" // for CFA_LIBDIR |
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31 | #include "CodeGen/FixMain.h" // for FixMain |
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32 | #include "CodeGen/FixNames.h" // for fixNames |
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33 | #include "CodeGen/Generate.h" // for generate |
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34 | #include "CodeTools/DeclStats.h" // for printDeclStats |
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35 | #include "CodeTools/TrackLoc.h" // for fillLocations |
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36 | #include "Common/CompilerError.h" // for CompilerError |
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37 | #include "Common/Heap.h" |
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38 | #include "Common/PassVisitor.h" |
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39 | #include "Common/SemanticError.h" // for SemanticError |
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40 | #include "Common/UnimplementedError.h" // for UnimplementedError |
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41 | #include "Common/utility.h" // for deleteAll, filter, printAll |
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42 | #include "Concurrency/Waitfor.h" // for generateWaitfor |
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43 | #include "ControlStruct/ExceptTranslate.h" // for translateEHM |
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44 | #include "ControlStruct/Mutate.h" // for mutate |
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45 | #include "GenPoly/Box.h" // for box |
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46 | #include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric |
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47 | #include "GenPoly/Lvalue.h" // for convertLvalue |
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48 | #include "GenPoly/Specialize.h" // for convertSpecializations |
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49 | #include "InitTweak/FixInit.h" // for fix |
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50 | #include "InitTweak/GenInit.h" // for genInit |
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51 | #include "MakeLibCfa.h" // for makeLibCfa |
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52 | #include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic |
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53 | #include "Parser/ParseNode.h" // for DeclarationNode, buildList |
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54 | #include "Parser/TypedefTable.h" // for TypedefTable |
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55 | #include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter |
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56 | #include "ResolvExpr/Resolver.h" // for resolve |
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57 | #include "SymTab/Validate.h" // for validate |
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58 | #include "SynTree/Declaration.h" // for Declaration |
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59 | #include "SynTree/Visitor.h" // for acceptAll |
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60 | #include "Tuples/Tuples.h" // for expandMemberTuples, expan... |
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61 | #include "Virtual/ExpandCasts.h" // for expandCasts |
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62 | |
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63 | using namespace std; |
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64 | |
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65 | #define PASS(name, pass) \ |
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66 | if ( errorp ) { cerr << #name << endl; } \ |
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67 | HeapStats::newPass(#name); \ |
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68 | pass; |
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69 | |
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70 | LinkageSpec::Spec linkage = LinkageSpec::Cforall; |
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71 | TypedefTable typedefTable; |
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72 | DeclarationNode * parseTree = nullptr; // program parse tree |
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73 | |
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74 | extern int yydebug; // set for -g flag (Grammar) |
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75 | bool |
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76 | astp = false, |
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77 | bresolvep = false, |
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78 | bboxp = false, |
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79 | bcodegenp = false, |
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80 | ctorinitp = false, |
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81 | declstatsp = false, |
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82 | exprp = false, |
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83 | expraltp = false, |
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84 | genericsp = false, |
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85 | libcfap = false, |
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86 | nopreludep = false, |
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87 | noprotop = false, |
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88 | nomainp = false, |
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89 | parsep = false, |
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90 | resolvep = false, // used in AlternativeFinder |
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91 | symtabp = false, |
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92 | treep = false, |
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93 | tuplep = false, |
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94 | validp = false, |
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95 | errorp = false, |
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96 | codegenp = false, |
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97 | prettycodegenp = false, |
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98 | linemarks = false; |
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99 | |
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100 | static void parse_cmdline( int argc, char *argv[], const char *& filename ); |
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101 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false ); |
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102 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout ); |
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103 | |
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104 | static void backtrace( int start ) { // skip first N stack frames |
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105 | enum { Frames = 50 }; |
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106 | void * array[Frames]; |
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107 | int size = ::backtrace( array, Frames ); |
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108 | char ** messages = ::backtrace_symbols( array, size ); // does not demangle names |
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109 | |
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110 | *index( messages[0], '(' ) = '\0'; // find executable name |
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111 | cerr << "Stack back trace for: " << messages[0] << endl; |
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112 | |
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113 | // skip last 2 stack frames after main |
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114 | for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) { |
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115 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr; |
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116 | for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset |
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117 | if ( *p == '(' ) { |
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118 | mangled_name = p; |
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119 | } else if ( *p == '+' ) { |
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120 | offset_begin = p; |
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121 | } else if ( *p == ')' ) { |
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122 | offset_end = p; |
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123 | break; |
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124 | } // if |
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125 | } // for |
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126 | |
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127 | // if line contains symbol, attempt to demangle |
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128 | int frameNo = i - start; |
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129 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) { |
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130 | *mangled_name++ = '\0'; // delimit strings |
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131 | *offset_begin++ = '\0'; |
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132 | *offset_end++ = '\0'; |
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133 | |
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134 | int status; |
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135 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status ); |
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136 | // bug in __cxa_demangle for single-character lower-case non-mangled names |
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137 | if ( status == 0 ) { // demangling successful ? |
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138 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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139 | << real_name << "+" << offset_begin << offset_end << endl; |
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140 | } else { // otherwise, output mangled name |
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141 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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142 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl; |
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143 | } // if |
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144 | |
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145 | free( real_name ); |
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146 | } else { // otherwise, print the whole line |
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147 | cerr << "(" << frameNo << ") " << messages[i] << endl; |
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148 | } // if |
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149 | } // for |
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150 | |
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151 | free( messages ); |
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152 | } // backtrace |
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153 | |
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154 | void sigSegvBusHandler( int sig_num ) { |
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155 | cerr << "*CFA runtime error* program cfa-cpp terminated with " |
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156 | << (sig_num == SIGSEGV ? "segment fault" : "bus error") |
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157 | << "." << endl; |
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158 | backtrace( 2 ); // skip first 2 stack frames |
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159 | exit( EXIT_FAILURE ); |
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160 | } // sigSegvBusHandler |
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161 | |
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162 | void sigAbortHandler( __attribute__((unused)) int sig_num ) { |
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163 | backtrace( 6 ); // skip first 6 stack frames |
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164 | signal( SIGABRT, SIG_DFL); // reset default signal handler |
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165 | raise( SIGABRT ); // reraise SIGABRT |
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166 | } // sigAbortHandler |
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167 | |
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168 | |
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169 | int main( int argc, char * argv[] ) { |
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170 | FILE * input; // use FILE rather than istream because yyin is FILE |
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171 | ostream *output = & cout; |
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172 | const char *filename = nullptr; |
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173 | list< Declaration * > translationUnit; |
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174 | |
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175 | signal( SIGSEGV, sigSegvBusHandler ); |
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176 | signal( SIGBUS, sigSegvBusHandler ); |
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177 | signal( SIGABRT, sigAbortHandler ); |
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178 | |
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179 | // std::cout << "main" << std::endl; |
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180 | // for ( int i = 0; i < argc; i += 1 ) { |
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181 | // std::cout << '\t' << argv[i] << std::endl; |
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182 | // } // for |
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183 | |
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184 | parse_cmdline( argc, argv, filename ); // process command-line arguments |
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185 | CodeGen::FixMain::setReplaceMain( !nomainp ); |
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186 | |
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187 | try { |
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188 | // choose to read the program from a file or stdin |
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189 | if ( optind < argc ) { // any commands after the flags ? => input file name |
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190 | input = fopen( argv[ optind ], "r" ); |
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191 | assertf( input, "cannot open %s\n", argv[ optind ] ); |
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192 | // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to) |
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193 | if ( filename == nullptr ) filename = argv[ optind ]; |
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194 | // prelude filename comes in differently |
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195 | if ( libcfap ) filename = "prelude.cf"; |
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196 | optind += 1; |
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197 | } else { // no input file name |
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198 | input = stdin; |
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199 | // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass |
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200 | // a fake name along |
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201 | if ( filename == nullptr ) filename = "stdin"; |
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202 | } // if |
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203 | |
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204 | // read in the builtins, extras, and the prelude |
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205 | if ( ! nopreludep ) { // include gcc builtins |
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206 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. |
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207 | |
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208 | // Read to gcc builtins, if not generating the cfa library |
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209 | FILE * gcc_builtins = fopen( libcfap | treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" ); |
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210 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" ); |
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211 | parse( gcc_builtins, LinkageSpec::Compiler ); |
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212 | |
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213 | // read the extra prelude in, if not generating the cfa library |
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214 | FILE * extras = fopen( libcfap | treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" ); |
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215 | assertf( extras, "cannot open extras.cf\n" ); |
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216 | parse( extras, LinkageSpec::BuiltinC ); |
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217 | |
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218 | if ( ! libcfap ) { |
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219 | // read the prelude in, if not generating the cfa library |
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220 | FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" ); |
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221 | assertf( prelude, "cannot open prelude.cf\n" ); |
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222 | parse( prelude, LinkageSpec::Intrinsic ); |
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223 | |
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224 | // Read to cfa builtins, if not generating the cfa library |
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225 | FILE * builtins = fopen( libcfap | treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" ); |
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226 | assertf( builtins, "cannot open builtins.cf\n" ); |
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227 | parse( builtins, LinkageSpec::BuiltinCFA ); |
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228 | } // if |
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229 | } // if |
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230 | |
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231 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug ); |
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232 | |
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233 | if ( parsep ) { |
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234 | parseTree->printList( cout ); |
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235 | delete parseTree; |
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236 | return 0; |
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237 | } // if |
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238 | |
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239 | buildList( parseTree, translationUnit ); |
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240 | delete parseTree; |
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241 | parseTree = nullptr; |
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242 | |
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243 | if ( astp ) { |
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244 | dump( translationUnit ); |
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245 | return 0; |
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246 | } // if |
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247 | |
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248 | // add the assignment statement after the initialization of a type parameter |
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249 | PASS( "validate", SymTab::validate( translationUnit, symtabp ) ); |
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250 | if ( symtabp ) { |
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251 | deleteAll( translationUnit ); |
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252 | return 0; |
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253 | } // if |
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254 | |
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255 | if ( expraltp ) { |
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256 | PassVisitor<ResolvExpr::AlternativePrinter> printer( cout ); |
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257 | acceptAll( translationUnit, printer ); |
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258 | return 0; |
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259 | } // if |
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260 | |
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261 | if ( validp ) { |
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262 | dump( translationUnit ); |
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263 | return 0; |
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264 | } // if |
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265 | |
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266 | PASS( "mutate", ControlStruct::mutate( translationUnit ) ); |
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267 | PASS( "fixNames", CodeGen::fixNames( translationUnit ) ); |
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268 | PASS( "genInit", InitTweak::genInit( translationUnit ) ); |
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269 | PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) ); |
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270 | if ( libcfap ) { |
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271 | // generate the bodies of cfa library functions |
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272 | LibCfa::makeLibCfa( translationUnit ); |
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273 | } // if |
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274 | |
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275 | if ( declstatsp ) { |
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276 | CodeTools::printDeclStats( translationUnit ); |
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277 | deleteAll( translationUnit ); |
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278 | return 0; |
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279 | } |
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280 | |
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281 | if ( bresolvep ) { |
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282 | dump( translationUnit ); |
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283 | return 0; |
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284 | } // if |
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285 | |
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286 | CodeTools::fillLocations( translationUnit ); |
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287 | |
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288 | PASS( "resolve", ResolvExpr::resolve( translationUnit ) ); |
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289 | if ( exprp ) { |
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290 | dump( translationUnit ); |
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291 | return 0; |
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292 | } // if |
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293 | |
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294 | // fix ObjectDecl - replaces ConstructorInit nodes |
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295 | PASS( "fixInit", InitTweak::fix( translationUnit, filename, libcfap || treep ) ); |
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296 | if ( ctorinitp ) { |
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297 | dump ( translationUnit ); |
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298 | return 0; |
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299 | } // if |
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300 | |
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301 | PASS( "expandUniqueExpr", Tuples::expandUniqueExpr( translationUnit ) ); // xxx - is this the right place for this? want to expand ASAP so tha, sequent passes don't need to worry about double-visiting a unique expr - needs to go after InitTweak::fix so that copy constructed return declarations are reused |
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302 | Tuples::expandUniqueExpr( translationUnit ); |
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303 | |
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304 | PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) ); |
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305 | |
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306 | PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) ); |
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307 | |
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308 | PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded |
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309 | |
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310 | PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this? |
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311 | |
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312 | if ( tuplep ) { |
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313 | dump( translationUnit ); |
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314 | return 0; |
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315 | } |
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316 | |
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317 | PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM |
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318 | |
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319 | PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) ); |
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320 | if ( genericsp ) { |
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321 | dump( translationUnit ); |
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322 | return 0; |
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323 | } |
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324 | PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) ); |
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325 | |
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326 | |
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327 | if ( bboxp ) { |
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328 | dump( translationUnit ); |
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329 | return 0; |
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330 | } // if |
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331 | PASS( "box", GenPoly::box( translationUnit ) ); |
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332 | |
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333 | if ( bcodegenp ) { |
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334 | dump( translationUnit ); |
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335 | return 0; |
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336 | } |
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337 | |
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338 | if ( optind < argc ) { // any commands after the flags and input file ? => output file name |
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339 | output = new ofstream( argv[ optind ] ); |
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340 | } // if |
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341 | |
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342 | CodeTools::fillLocations( translationUnit ); |
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343 | PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) ); |
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344 | |
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345 | CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" ); |
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346 | if ( output != &cout ) { |
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347 | delete output; |
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348 | } // if |
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349 | } catch ( SemanticErrorException &e ) { |
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350 | if ( errorp ) { |
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351 | cerr << "---AST at error:---" << endl; |
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352 | dump( translationUnit, cerr ); |
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353 | cerr << endl << "---End of AST, begin error message:---\n" << endl; |
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354 | } // if |
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355 | e.print(); |
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356 | if ( output != &cout ) { |
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357 | delete output; |
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358 | } // if |
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359 | return 1; |
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360 | } catch ( UnimplementedError &e ) { |
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361 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl; |
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362 | if ( output != &cout ) { |
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363 | delete output; |
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364 | } // if |
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365 | return 1; |
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366 | } catch ( CompilerError &e ) { |
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367 | cerr << "Compiler Error: " << e.get_what() << endl; |
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368 | cerr << "(please report bugs to [REDACTED])" << endl; |
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369 | if ( output != &cout ) { |
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370 | delete output; |
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371 | } // if |
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372 | return 1; |
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373 | } // try |
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374 | |
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375 | deleteAll( translationUnit ); |
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376 | HeapStats::printStats(); |
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377 | return 0; |
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378 | } // main |
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379 | |
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380 | void parse_cmdline( int argc, char * argv[], const char *& filename ) { |
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381 | enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, }; |
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382 | |
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383 | static struct option long_opts[] = { |
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384 | { "ast", no_argument, 0, Ast }, |
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385 | { "before-box", no_argument, 0, Bbox }, |
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386 | { "before-resolver", no_argument, 0, Bresolver }, |
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387 | { "ctorinitfix", no_argument, 0, CtorInitFix }, |
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388 | { "decl-stats", no_argument, 0, DeclStats }, |
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389 | { "expr", no_argument, 0, Expr }, |
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390 | { "expralt", no_argument, 0, ExprAlt }, |
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391 | { "grammar", no_argument, 0, Grammar }, |
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392 | { "libcfa", no_argument, 0, LibCFA }, |
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393 | { "line-marks", no_argument, 0, Linemarks }, |
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394 | { "no-line-marks", no_argument, 0, Nolinemarks }, |
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395 | { "no-preamble", no_argument, 0, Nopreamble }, |
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396 | { "parse", no_argument, 0, Parse }, |
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397 | { "no-prototypes", no_argument, 0, Prototypes }, |
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398 | { "resolver", no_argument, 0, Resolver }, |
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399 | { "symbol", no_argument, 0, Symbol }, |
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400 | { "tree", no_argument, 0, Tree }, |
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401 | { "tuple-expansion", no_argument, 0, TupleExpansion }, |
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402 | { "validate", no_argument, 0, Validate }, |
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403 | { 0, 0, 0, 0 } |
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404 | }; // long_opts |
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405 | int long_index; |
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406 | |
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407 | opterr = 0; // (global) prevent getopt from printing error messages |
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408 | |
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409 | bool Werror = false; |
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410 | int c; |
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411 | while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) { |
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412 | switch ( c ) { |
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413 | case Ast: |
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414 | case 'a': // dump AST |
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415 | astp = true; |
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416 | break; |
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417 | case Bresolver: |
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418 | case 'b': // print before resolver steps |
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419 | bresolvep = true; |
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420 | break; |
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421 | case 'B': // print before box steps |
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422 | bboxp = true; |
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423 | break; |
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424 | case CtorInitFix: |
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425 | case 'c': // print after constructors and destructors are replaced |
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426 | ctorinitp = true; |
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427 | break; |
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428 | case 'C': // print before code generation |
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429 | bcodegenp = true; |
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430 | break; |
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431 | case DeclStats: |
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432 | case 'd': |
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433 | declstatsp = true; |
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434 | break; |
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435 | case Expr: |
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436 | case 'e': // dump AST after expression analysis |
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437 | exprp = true; |
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438 | break; |
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439 | case ExprAlt: |
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440 | case 'f': // print alternatives for expressions |
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441 | expraltp = true; |
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442 | break; |
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443 | case Grammar: |
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444 | case 'g': // bison debugging info (grammar rules) |
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445 | yydebug = true; |
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446 | break; |
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447 | case 'G': // dump AST after instantiate generics |
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448 | genericsp = true; |
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449 | break; |
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450 | case LibCFA: |
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451 | case 'l': // generate libcfa.c |
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452 | libcfap = true; |
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453 | break; |
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454 | case Linemarks: |
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455 | case 'L': // print lines marks |
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456 | linemarks = true; |
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457 | break; |
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458 | case Nopreamble: |
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459 | case 'n': // do not read preamble |
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460 | nopreludep = true; |
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461 | break; |
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462 | case Nolinemarks: |
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463 | case 'N': // suppress line marks |
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464 | linemarks = false; |
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465 | break; |
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466 | case Prototypes: |
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467 | case 'p': // generate prototypes for preamble functions |
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468 | noprotop = true; |
---|
469 | break; |
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470 | case 'm': // don't replace the main |
---|
471 | nomainp = true; |
---|
472 | break; |
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473 | case Parse: |
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474 | case 'q': // dump parse tree |
---|
475 | parsep = true; |
---|
476 | break; |
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477 | case Resolver: |
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478 | case 'r': // print resolver steps |
---|
479 | resolvep = true; |
---|
480 | break; |
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481 | case Symbol: |
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482 | case 's': // print symbol table events |
---|
483 | symtabp = true; |
---|
484 | break; |
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485 | case Tree: |
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486 | case 't': // build in tree |
---|
487 | treep = true; |
---|
488 | break; |
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489 | case TupleExpansion: |
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490 | case 'T': // print after tuple expansion |
---|
491 | tuplep = true; |
---|
492 | break; |
---|
493 | case 'v': // dump AST after decl validation pass |
---|
494 | validp = true; |
---|
495 | break; |
---|
496 | case 'w': |
---|
497 | SemanticWarning_SuppressAll(); |
---|
498 | break; |
---|
499 | case 'W': |
---|
500 | if ( strcmp( optarg, "all" ) == 0 ) { |
---|
501 | SemanticWarning_EnableAll(); |
---|
502 | } else if ( strcmp( optarg, "error" ) == 0 ) { |
---|
503 | Werror = true; |
---|
504 | } else { |
---|
505 | char * warning = optarg; |
---|
506 | Severity s; |
---|
507 | if ( strncmp( optarg, "no-", 3 ) == 0 ) { |
---|
508 | warning += 3; |
---|
509 | s = Severity::Suppress; |
---|
510 | } else { |
---|
511 | s = Severity::Warn; |
---|
512 | } // if |
---|
513 | SemanticWarning_Set( warning, s ); |
---|
514 | } // if |
---|
515 | break; |
---|
516 | case 'y': // dump AST on error |
---|
517 | errorp = true; |
---|
518 | break; |
---|
519 | case 'z': // dump as codegen rather than AST |
---|
520 | codegenp = true; |
---|
521 | break; |
---|
522 | case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.) |
---|
523 | prettycodegenp = true; |
---|
524 | break; |
---|
525 | case 'D': // ignore -Dxxx |
---|
526 | break; |
---|
527 | case 'F': // source file-name without suffix |
---|
528 | filename = optarg; |
---|
529 | break; |
---|
530 | case '?': |
---|
531 | if ( optopt ) { // short option ? |
---|
532 | assertf( false, "Unknown option: -%c\n", (char)optopt ); |
---|
533 | } else { |
---|
534 | assertf( false, "Unknown option: %s\n", argv[optind - 1] ); |
---|
535 | } // if |
---|
536 | #if __GNUC__ < 7 |
---|
537 | #else |
---|
538 | __attribute__((fallthrough)); |
---|
539 | #endif |
---|
540 | default: |
---|
541 | abort(); |
---|
542 | } // switch |
---|
543 | } // while |
---|
544 | |
---|
545 | if ( Werror ) { |
---|
546 | SemanticWarning_WarningAsError(); |
---|
547 | } // if |
---|
548 | // for ( const auto w : WarningFormats ) { |
---|
549 | // cout << w.name << ' ' << (int)w.severity << endl; |
---|
550 | // } // for |
---|
551 | } // parse_cmdline |
---|
552 | |
---|
553 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) { |
---|
554 | extern int yyparse( void ); |
---|
555 | extern FILE * yyin; |
---|
556 | extern int yylineno; |
---|
557 | |
---|
558 | ::linkage = linkage; // set globals |
---|
559 | yyin = input; |
---|
560 | yylineno = 1; |
---|
561 | typedefTable.enterScope(); |
---|
562 | int parseStatus = yyparse(); |
---|
563 | |
---|
564 | fclose( input ); |
---|
565 | if ( shouldExit || parseStatus != 0 ) { |
---|
566 | exit( parseStatus ); |
---|
567 | } // if |
---|
568 | } // parse |
---|
569 | |
---|
570 | static bool notPrelude( Declaration * decl ) { |
---|
571 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); |
---|
572 | } // notPrelude |
---|
573 | |
---|
574 | static void dump( list< Declaration * > & translationUnit, ostream & out ) { |
---|
575 | list< Declaration * > decls; |
---|
576 | |
---|
577 | if ( noprotop ) { |
---|
578 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude ); |
---|
579 | } else { |
---|
580 | decls = translationUnit; |
---|
581 | } // if |
---|
582 | |
---|
583 | // depending on commandline options, either generate code or dump the AST |
---|
584 | if ( codegenp ) { |
---|
585 | CodeGen::generate( decls, out, ! noprotop, prettycodegenp ); |
---|
586 | } else { |
---|
587 | printAll( decls, out ); |
---|
588 | } |
---|
589 | deleteAll( translationUnit ); |
---|
590 | } // dump |
---|
591 | |
---|
592 | // Local Variables: // |
---|
593 | // tab-width: 4 // |
---|
594 | // mode: c++ // |
---|
595 | // compile-command: "make install" // |
---|
596 | // End: // |
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