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 : Peter Buhr and Rob Schluntz |
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10 | // Created On : Fri May 15 23:12:02 2015 |
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11 | // Last Modified By : Andrew Beach |
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12 | // Last Modified On : Fri Apr 29 9:52:00 2022 |
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13 | // Update Count : 673 |
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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 <cassert> // for assertf |
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20 | #include <cstdio> // for fopen, FILE, fclose, stdin |
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21 | #include <cstdlib> // for exit, free, abort, EXIT_F... |
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22 | #include <csignal> // for signal, SIGABRT, SIGSEGV |
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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 <iomanip> |
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27 | #include <iterator> // for back_inserter |
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28 | #include <list> // for list |
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29 | #include <string> // for char_traits, operator<< |
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30 | |
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31 | using namespace std; |
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32 | |
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33 | #include "AST/Convert.hpp" |
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34 | #include "CompilationState.h" |
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35 | #include "../config.h" // for CFA_LIBDIR |
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36 | #include "CodeGen/FixMain.h" // for FixMain |
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37 | #include "CodeGen/FixNames.h" // for fixNames |
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38 | #include "CodeGen/Generate.h" // for generate |
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39 | #include "CodeGen/LinkOnce.h" // for translateLinkOnce |
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40 | #include "CodeTools/DeclStats.h" // for printDeclStats |
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41 | #include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto |
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42 | #include "CodeTools/TrackLoc.h" // for fillLocations |
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43 | #include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations |
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44 | #include "Common/CompilerError.h" // for CompilerError |
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45 | #include "Common/DeclStats.hpp" // for printDeclStats |
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46 | #include "Common/ResolvProtoDump.hpp" // for dumpAsResolverProto |
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47 | #include "Common/Stats.h" |
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48 | #include "Common/PassVisitor.h" |
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49 | #include "Common/SemanticError.h" // for SemanticError |
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50 | #include "Common/UnimplementedError.h" // for UnimplementedError |
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51 | #include "Common/utility.h" // for deleteAll, filter, printAll |
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52 | #include "Concurrency/Keywords.h" // for implementMutex, implement... |
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53 | #include "Concurrency/Waitfor.h" // for generateWaitfor |
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54 | #include "ControlStruct/ExceptDecl.h" // for translateExcept |
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55 | #include "ControlStruct/ExceptTranslate.h" // for translateEHM |
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56 | #include "ControlStruct/FixLabels.hpp" // for fixLabels |
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57 | #include "ControlStruct/HoistControlDecls.hpp" // hoistControlDecls |
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58 | #include "ControlStruct/Mutate.h" // for mutate |
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59 | #include "GenPoly/Box.h" // for box |
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60 | #include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric |
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61 | #include "GenPoly/Lvalue.h" // for convertLvalue |
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62 | #include "GenPoly/Specialize.h" // for convertSpecializations |
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63 | #include "InitTweak/FixInit.h" // for fix |
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64 | #include "InitTweak/GenInit.h" // for genInit |
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65 | #include "MakeLibCfa.h" // for makeLibCfa |
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66 | #include "Parser/ParseNode.h" // for DeclarationNode, buildList |
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67 | #include "Parser/TypedefTable.h" // for TypedefTable |
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68 | #include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter |
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69 | #include "ResolvExpr/CandidatePrinter.hpp" // for printCandidates |
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70 | #include "ResolvExpr/Resolver.h" // for resolve |
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71 | #include "SymTab/Validate.h" // for validate |
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72 | #include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic |
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73 | #include "SynTree/Declaration.h" // for Declaration |
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74 | #include "SynTree/Visitor.h" // for acceptAll |
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75 | #include "Tuples/Tuples.h" // for expandMemberTuples, expan... |
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76 | #include "Validate/Autogen.hpp" // for autogenerateRoutines |
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77 | #include "Validate/CompoundLiteral.hpp" // for handleCompoundLiterals |
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78 | #include "Validate/EliminateTypedef.hpp" // for eliminateTypedef |
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79 | #include "Validate/FindSpecialDecls.h" // for findGlobalDecls |
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80 | #include "Validate/FixQualifiedTypes.hpp" // for fixQualifiedTypes |
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81 | #include "Validate/ForallPointerDecay.hpp" // for decayForallPointers |
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82 | #include "Validate/GenericParameter.hpp" // for fillGenericParameters, tr... |
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83 | #include "Validate/HoistStruct.hpp" // for hoistStruct |
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84 | #include "Validate/InitializerLength.hpp" // for setLengthFromInitializer |
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85 | #include "Validate/LabelAddressFixer.hpp" // for fixLabelAddresses |
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86 | #include "Validate/LinkReferenceToTypes.hpp"// for linkReferenceToTypes |
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87 | #include "Validate/ReturnCheck.hpp" // for checkReturnStatements |
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88 | #include "Virtual/ExpandCasts.h" // for expandCasts |
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89 | |
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90 | static void NewPass( const char * const name ) { |
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91 | Stats::Heap::newPass( name ); |
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92 | using namespace Stats::Counters; |
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93 | { |
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94 | static auto group = build<CounterGroup>( "Pass Visitor" ); |
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95 | auto pass = build<CounterGroup>( name, group ); |
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96 | pass_visitor_stats.depth = 0; |
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97 | pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass ); |
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98 | pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass ); |
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99 | } |
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100 | { |
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101 | static auto group = build<CounterGroup>( "Syntax Node" ); |
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102 | auto pass = build<CounterGroup>( name, group ); |
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103 | BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass ); |
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104 | } |
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105 | } |
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106 | |
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107 | #define PASS( name, pass ) \ |
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108 | if ( errorp ) { cerr << name << endl; } \ |
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109 | NewPass(name); \ |
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110 | Stats::Time::StartBlock(name); \ |
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111 | pass; \ |
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112 | Stats::Time::StopBlock(); |
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113 | |
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114 | LinkageSpec::Spec linkage = LinkageSpec::Cforall; |
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115 | TypedefTable typedefTable; |
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116 | DeclarationNode * parseTree = nullptr; // program parse tree |
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117 | |
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118 | static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start |
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119 | |
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120 | static string PreludeDirector = ""; |
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121 | |
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122 | static void parse_cmdline( int argc, char * argv[] ); |
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123 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false ); |
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124 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout ); |
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125 | static void dump( ast::TranslationUnit && transUnit, ostream & out = cout ); |
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126 | |
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127 | static void backtrace( int start ) { // skip first N stack frames |
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128 | enum { Frames = 50, }; // maximum number of stack frames |
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129 | void * array[Frames]; |
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130 | size_t size = ::backtrace( array, Frames ); |
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131 | char ** messages = ::backtrace_symbols( array, size ); // does not demangle names |
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132 | |
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133 | *index( messages[0], '(' ) = '\0'; // find executable name |
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134 | cerr << "Stack back trace for: " << messages[0] << endl; |
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135 | |
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136 | // skip last 2 stack frames after main |
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137 | for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) { |
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138 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr; |
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139 | |
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140 | for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset |
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141 | if ( *p == '(' ) { |
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142 | mangled_name = p; |
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143 | } else if ( *p == '+' ) { |
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144 | offset_begin = p; |
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145 | } else if ( *p == ')' ) { |
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146 | offset_end = p; |
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147 | break; |
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148 | } // if |
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149 | } // for |
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150 | |
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151 | // if line contains symbol, attempt to demangle |
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152 | int frameNo = i - start; |
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153 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) { |
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154 | *mangled_name++ = '\0'; // delimit strings |
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155 | *offset_begin++ = '\0'; |
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156 | *offset_end++ = '\0'; |
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157 | |
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158 | int status; |
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159 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status ); |
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160 | // bug in __cxa_demangle for single-character lower-case non-mangled names |
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161 | if ( status == 0 ) { // demangling successful ? |
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162 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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163 | << real_name << "+" << offset_begin << offset_end << endl; |
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164 | } else { // otherwise, output mangled name |
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165 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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166 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl; |
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167 | } // if |
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168 | |
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169 | free( real_name ); |
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170 | } else { // otherwise, print the whole line |
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171 | cerr << "(" << frameNo << ") " << messages[i] << endl; |
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172 | } // if |
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173 | } // for |
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174 | |
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175 | free( messages ); |
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176 | } // backtrace |
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177 | |
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178 | #define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused )) |
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179 | |
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180 | static void _Signal(struct sigaction & act, int sig, int flags ) { |
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181 | act.sa_flags = flags; |
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182 | |
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183 | if ( sigaction( sig, &act, nullptr ) == -1 ) { |
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184 | cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl; |
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185 | _exit( EXIT_FAILURE ); |
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186 | } // if |
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187 | } |
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188 | |
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189 | static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) { |
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190 | struct sigaction act; |
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191 | act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler; |
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192 | _Signal(act, sig, flags); |
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193 | } // Signal |
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194 | |
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195 | static void Signal( int sig, void (* handler)(int), int flags ) { |
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196 | struct sigaction act; |
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197 | act.sa_handler = handler; |
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198 | _Signal(act, sig, flags); |
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199 | } // Signal |
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200 | |
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201 | static void sigSegvBusHandler( SIGPARMS ) { |
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202 | if ( sfp->si_addr == nullptr ) { |
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203 | cerr << "Null pointer (nullptr) dereference." << endl; |
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204 | } else { |
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205 | cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl |
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206 | << "Possible cause is reading outside the address space or writing to a protected area within the address space with an invalid pointer or subscript." << endl; |
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207 | } // if |
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208 | backtrace( 2 ); // skip first 2 stack frames |
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209 | abort(); // cause core dump for debugging |
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210 | } // sigSegvBusHandler |
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211 | |
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212 | static void sigFpeHandler( SIGPARMS ) { |
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213 | const char * msg; |
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214 | |
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215 | switch ( sfp->si_code ) { |
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216 | case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break; |
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217 | case FPE_FLTOVF: msg = "overflow"; break; |
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218 | case FPE_FLTUND: msg = "underflow"; break; |
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219 | case FPE_FLTRES: msg = "inexact result"; break; |
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220 | case FPE_FLTINV: msg = "invalid operation"; break; |
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221 | default: msg = "unknown"; |
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222 | } // choose |
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223 | cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl |
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224 | << "Possible cause is constant-expression evaluation invalid." << endl; |
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225 | backtrace( 2 ); // skip first 2 stack frames |
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226 | abort(); // cause core dump for debugging |
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227 | } // sigFpeHandler |
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228 | |
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229 | static void sigAbortHandler( SIGPARMS ) { |
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230 | backtrace( 6 ); // skip first 6 stack frames |
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231 | Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler |
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232 | raise( SIGABRT ); // reraise SIGABRT |
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233 | } // sigAbortHandler |
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234 | |
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235 | int main( int argc, char * argv[] ) { |
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236 | FILE * input; // use FILE rather than istream because yyin is FILE |
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237 | ostream * output = & cout; |
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238 | list< Declaration * > translationUnit; |
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239 | |
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240 | Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO ); |
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241 | Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO ); |
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242 | Signal( SIGFPE, sigFpeHandler, SA_SIGINFO ); |
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243 | Signal( SIGABRT, sigAbortHandler, SA_SIGINFO ); |
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244 | |
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245 | // cout << "main" << endl; |
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246 | // for ( int i = 0; i < argc; i += 1 ) { |
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247 | // cout << '\t' << argv[i] << endl; |
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248 | // } // for |
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249 | |
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250 | parse_cmdline( argc, argv ); // process command-line arguments |
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251 | CodeGen::FixMain::setReplaceMain( !nomainp ); |
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252 | |
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253 | if ( waiting_for_gdb ) { |
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254 | cerr << "Waiting for gdb" << endl; |
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255 | cerr << "run :" << endl; |
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256 | cerr << " gdb attach " << getpid() << endl; |
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257 | raise(SIGSTOP); |
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258 | } // if |
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259 | |
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260 | try { |
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261 | // choose to read the program from a file or stdin |
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262 | if ( optind < argc ) { // any commands after the flags ? => input file name |
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263 | input = fopen( argv[ optind ], "r" ); |
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264 | assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) ); |
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265 | optind += 1; |
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266 | } else { // no input file name |
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267 | input = stdin; |
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268 | } // if |
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269 | |
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270 | Stats::Time::StartGlobal(); |
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271 | NewPass("Parse"); |
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272 | Stats::Time::StartBlock("Parse"); |
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273 | |
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274 | // read in the builtins, extras, and the prelude |
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275 | if ( ! nopreludep ) { // include gcc builtins |
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276 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. |
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277 | |
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278 | assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." ); |
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279 | |
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280 | // Read to gcc builtins, if not generating the cfa library |
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281 | FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" ); |
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282 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" ); |
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283 | parse( gcc_builtins, LinkageSpec::Compiler ); |
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284 | |
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285 | // read the extra prelude in, if not generating the cfa library |
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286 | FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" ); |
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287 | assertf( extras, "cannot open extras.cf\n" ); |
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288 | parse( extras, LinkageSpec::BuiltinC ); |
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289 | |
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290 | if ( ! libcfap ) { |
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291 | // read the prelude in, if not generating the cfa library |
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292 | FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" ); |
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293 | assertf( prelude, "cannot open prelude.cfa\n" ); |
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294 | parse( prelude, LinkageSpec::Intrinsic ); |
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295 | |
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296 | // Read to cfa builtins, if not generating the cfa library |
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297 | FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" ); |
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298 | assertf( builtins, "cannot open builtins.cf\n" ); |
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299 | parse( builtins, LinkageSpec::BuiltinCFA ); |
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300 | } // if |
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301 | } // if |
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302 | |
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303 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug ); |
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304 | |
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305 | if ( parsep ) { |
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306 | parseTree->printList( cout ); |
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307 | delete parseTree; |
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308 | return EXIT_SUCCESS; |
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309 | } // if |
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310 | |
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311 | buildList( parseTree, translationUnit ); |
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312 | delete parseTree; |
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313 | parseTree = nullptr; |
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314 | |
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315 | if ( astp ) { |
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316 | dump( translationUnit ); |
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317 | return EXIT_SUCCESS; |
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318 | } // if |
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319 | |
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320 | // Temporary: fill locations after parsing so that every node has a location, for early error messages. |
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321 | // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution |
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322 | // works okay for now. |
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323 | CodeTools::fillLocations( translationUnit ); |
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324 | Stats::Time::StopBlock(); |
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325 | |
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326 | PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) ); |
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327 | if ( exdeclp ) { |
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328 | dump( translationUnit ); |
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329 | return EXIT_SUCCESS; |
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330 | } // if |
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331 | |
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332 | // add the assignment statement after the initialization of a type parameter |
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333 | PASS( "Validate-A", SymTab::validate_A( translationUnit ) ); |
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334 | |
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335 | // Must happen before auto-gen, because it uses the sized flag. |
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336 | PASS( "Link Reference To Types", SymTab::linkReferenceToTypes( translationUnit ) ); |
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337 | |
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338 | CodeTools::fillLocations( translationUnit ); |
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339 | |
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340 | if( useNewAST ) { |
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341 | CodeTools::fillLocations( translationUnit ); |
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342 | |
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343 | if (Stats::Counters::enabled) { |
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344 | ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New"); |
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345 | ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New"); |
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346 | } |
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347 | auto transUnit = convert( move( translationUnit ) ); |
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348 | |
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349 | forceFillCodeLocations( transUnit ); |
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350 | |
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351 | // Must happen after Link References To Types, |
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352 | // because aggregate members are accessed. |
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353 | PASS( "Fix Qualified Types", Validate::fixQualifiedTypes( transUnit ) ); |
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354 | |
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355 | PASS( "Hoist Struct", Validate::hoistStruct( transUnit ) ); |
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356 | PASS( "Eliminate Typedef", Validate::eliminateTypedef( transUnit ) ); |
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357 | |
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358 | // Check as early as possible. Can't happen before |
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359 | // LinkReferenceToType, observed failing when attempted |
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360 | // before eliminateTypedef |
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361 | PASS( "Validate Generic Parameters", Validate::fillGenericParameters( transUnit ) ); |
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362 | |
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363 | PASS( "Translate Dimensions", Validate::translateDimensionParameters( transUnit ) ); |
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364 | PASS( "Check Function Returns", Validate::checkReturnStatements( transUnit ) ); |
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365 | |
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366 | // Must happen before Autogen. |
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367 | PASS( "Fix Return Statements", InitTweak::fixReturnStatements( transUnit ) ); |
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368 | |
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369 | PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords( transUnit ) ); |
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370 | |
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371 | // Must be after implement concurrent keywords; because uniqueIds |
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372 | // must be set on declaration before resolution. |
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373 | // Must happen before autogen routines are added. |
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374 | PASS( "Forall Pointer Decay", Validate::decayForallPointers( transUnit ) ); |
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375 | |
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376 | // Must happen before autogen routines are added. |
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377 | PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls( transUnit ) ); |
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378 | |
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379 | // Must be after enum and pointer decay. |
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380 | // Must be before compound literals. |
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381 | PASS( "Generate Autogen Routines", Validate::autogenerateRoutines( transUnit ) ); |
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382 | |
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383 | PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) ); |
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384 | PASS( "Implement Thread Start", Concurrency::implementThreadStarter( transUnit ) ); |
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385 | PASS( "Compound Literal", Validate::handleCompoundLiterals( transUnit ) ); |
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386 | PASS( "Set Length From Initializer", Validate::setLengthFromInitializer( transUnit ) ); |
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387 | PASS( "Find Global Decls", Validate::findGlobalDecls( transUnit ) ); |
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388 | PASS( "Fix Label Address", Validate::fixLabelAddresses( transUnit ) ); |
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389 | |
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390 | if ( symtabp ) { |
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391 | return EXIT_SUCCESS; |
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392 | } // if |
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393 | |
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394 | if ( expraltp ) { |
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395 | ResolvExpr::printCandidates( transUnit ); |
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396 | return EXIT_SUCCESS; |
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397 | } // if |
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398 | |
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399 | if ( validp ) { |
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400 | dump( move( transUnit ) ); |
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401 | return EXIT_SUCCESS; |
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402 | } // if |
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403 | |
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404 | PASS( "Translate Throws", ControlStruct::translateThrows( transUnit ) ); |
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405 | PASS( "Fix Labels", ControlStruct::fixLabels( transUnit ) ); |
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406 | PASS( "Fix Names", CodeGen::fixNames( transUnit ) ); |
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407 | PASS( "Gen Init", InitTweak::genInit( transUnit ) ); |
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408 | PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) ); |
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409 | |
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410 | if ( libcfap ) { |
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411 | // Generate the bodies of cfa library functions. |
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412 | LibCfa::makeLibCfa( transUnit ); |
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413 | } // if |
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414 | |
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415 | if ( declstatsp ) { |
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416 | printDeclStats( transUnit ); |
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417 | return EXIT_SUCCESS; |
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418 | } // if |
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419 | |
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420 | if ( bresolvep ) { |
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421 | dump( move( transUnit ) ); |
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422 | return EXIT_SUCCESS; |
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423 | } // if |
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424 | |
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425 | if ( resolvprotop ) { |
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426 | dumpAsResolverProto( transUnit ); |
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427 | return EXIT_SUCCESS; |
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428 | } // if |
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429 | |
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430 | PASS( "Resolve", ResolvExpr::resolve( transUnit ) ); |
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431 | if ( exprp ) { |
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432 | dump( move( transUnit ) ); |
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433 | return EXIT_SUCCESS; |
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434 | } // if |
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435 | |
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436 | forceFillCodeLocations( transUnit ); |
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437 | |
---|
438 | PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary())); |
---|
439 | |
---|
440 | // fix ObjectDecl - replaces ConstructorInit nodes |
---|
441 | if ( ctorinitp ) { |
---|
442 | dump( move( transUnit ) ); |
---|
443 | return EXIT_SUCCESS; |
---|
444 | } // if |
---|
445 | |
---|
446 | // Currently not working due to unresolved issues with UniqueExpr |
---|
447 | PASS( "Expand Unique Expr", Tuples::expandUniqueExpr( transUnit ) ); // 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 |
---|
448 | |
---|
449 | PASS( "Translate Tries" , ControlStruct::translateTries( transUnit ) ); |
---|
450 | |
---|
451 | translationUnit = convert( move( transUnit ) ); |
---|
452 | } else { |
---|
453 | PASS( "Validate-B", SymTab::validate_B( translationUnit ) ); |
---|
454 | PASS( "Validate-C", SymTab::validate_C( translationUnit ) ); |
---|
455 | PASS( "Validate-D", SymTab::validate_D( translationUnit ) ); |
---|
456 | PASS( "Validate-E", SymTab::validate_E( translationUnit ) ); |
---|
457 | PASS( "Validate-F", SymTab::validate_F( translationUnit ) ); |
---|
458 | |
---|
459 | if ( symtabp ) { |
---|
460 | deleteAll( translationUnit ); |
---|
461 | return EXIT_SUCCESS; |
---|
462 | } // if |
---|
463 | |
---|
464 | if ( expraltp ) { |
---|
465 | PassVisitor<ResolvExpr::AlternativePrinter> printer( cout ); |
---|
466 | acceptAll( translationUnit, printer ); |
---|
467 | return EXIT_SUCCESS; |
---|
468 | } // if |
---|
469 | |
---|
470 | if ( validp ) { |
---|
471 | dump( translationUnit ); |
---|
472 | return EXIT_SUCCESS; |
---|
473 | } // if |
---|
474 | |
---|
475 | PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) ); |
---|
476 | PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) ); |
---|
477 | PASS( "Fix Names", CodeGen::fixNames( translationUnit ) ); |
---|
478 | PASS( "Gen Init", InitTweak::genInit( translationUnit ) ); |
---|
479 | PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) ); |
---|
480 | |
---|
481 | if ( libcfap ) { |
---|
482 | // Generate the bodies of cfa library functions. |
---|
483 | LibCfa::makeLibCfa( translationUnit ); |
---|
484 | } // if |
---|
485 | |
---|
486 | if ( declstatsp ) { |
---|
487 | CodeTools::printDeclStats( translationUnit ); |
---|
488 | deleteAll( translationUnit ); |
---|
489 | return EXIT_SUCCESS; |
---|
490 | } // if |
---|
491 | |
---|
492 | if ( bresolvep ) { |
---|
493 | dump( translationUnit ); |
---|
494 | return EXIT_SUCCESS; |
---|
495 | } // if |
---|
496 | |
---|
497 | CodeTools::fillLocations( translationUnit ); |
---|
498 | |
---|
499 | if ( resolvprotop ) { |
---|
500 | CodeTools::dumpAsResolvProto( translationUnit ); |
---|
501 | return EXIT_SUCCESS; |
---|
502 | } // if |
---|
503 | |
---|
504 | PASS( "Resolve", ResolvExpr::resolve( translationUnit ) ); |
---|
505 | if ( exprp ) { |
---|
506 | dump( translationUnit ); |
---|
507 | return EXIT_SUCCESS; |
---|
508 | } |
---|
509 | |
---|
510 | PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) ); |
---|
511 | |
---|
512 | // fix ObjectDecl - replaces ConstructorInit nodes |
---|
513 | if ( ctorinitp ) { |
---|
514 | dump ( translationUnit ); |
---|
515 | return EXIT_SUCCESS; |
---|
516 | } // if |
---|
517 | |
---|
518 | PASS( "Expand Unique Expr", 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 |
---|
519 | |
---|
520 | PASS( "Translate Tries" , ControlStruct::translateTries( translationUnit ) ); |
---|
521 | } |
---|
522 | |
---|
523 | PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) ); |
---|
524 | |
---|
525 | PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded |
---|
526 | |
---|
527 | PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this? |
---|
528 | |
---|
529 | if ( tuplep ) { |
---|
530 | dump( translationUnit ); |
---|
531 | return EXIT_SUCCESS; |
---|
532 | } // if |
---|
533 | |
---|
534 | PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM |
---|
535 | |
---|
536 | PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) ); |
---|
537 | if ( genericsp ) { |
---|
538 | dump( translationUnit ); |
---|
539 | return EXIT_SUCCESS; |
---|
540 | } // if |
---|
541 | |
---|
542 | PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) ); |
---|
543 | |
---|
544 | if ( bboxp ) { |
---|
545 | dump( translationUnit ); |
---|
546 | return EXIT_SUCCESS; |
---|
547 | } // if |
---|
548 | PASS( "Box", GenPoly::box( translationUnit ) ); |
---|
549 | |
---|
550 | PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) ); |
---|
551 | |
---|
552 | // Code has been lowered to C, now we can start generation. |
---|
553 | |
---|
554 | if ( bcodegenp ) { |
---|
555 | dump( translationUnit ); |
---|
556 | return EXIT_SUCCESS; |
---|
557 | } // if |
---|
558 | |
---|
559 | if ( optind < argc ) { // any commands after the flags and input file ? => output file name |
---|
560 | output = new ofstream( argv[ optind ] ); |
---|
561 | } // if |
---|
562 | |
---|
563 | CodeTools::fillLocations( translationUnit ); |
---|
564 | PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) ); |
---|
565 | |
---|
566 | CodeGen::FixMain::fix( translationUnit, *output, |
---|
567 | (PreludeDirector + "/bootloader.c").c_str() ); |
---|
568 | if ( output != &cout ) { |
---|
569 | delete output; |
---|
570 | } // if |
---|
571 | } catch ( SemanticErrorException & e ) { |
---|
572 | if ( errorp ) { |
---|
573 | cerr << "---AST at error:---" << endl; |
---|
574 | dump( translationUnit, cerr ); |
---|
575 | cerr << endl << "---End of AST, begin error message:---\n" << endl; |
---|
576 | } // if |
---|
577 | e.print(); |
---|
578 | if ( output != &cout ) { |
---|
579 | delete output; |
---|
580 | } // if |
---|
581 | return EXIT_FAILURE; |
---|
582 | } catch ( UnimplementedError & e ) { |
---|
583 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl; |
---|
584 | if ( output != &cout ) { |
---|
585 | delete output; |
---|
586 | } // if |
---|
587 | return EXIT_FAILURE; |
---|
588 | } catch ( CompilerError & e ) { |
---|
589 | cerr << "Compiler Error: " << e.get_what() << endl; |
---|
590 | cerr << "(please report bugs to [REDACTED])" << endl; |
---|
591 | if ( output != &cout ) { |
---|
592 | delete output; |
---|
593 | } // if |
---|
594 | return EXIT_FAILURE; |
---|
595 | } catch ( std::bad_alloc & ) { |
---|
596 | cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl; |
---|
597 | backtrace( 1 ); |
---|
598 | abort(); |
---|
599 | } catch ( ... ) { |
---|
600 | exception_ptr eptr = current_exception(); |
---|
601 | try { |
---|
602 | if (eptr) { |
---|
603 | rethrow_exception(eptr); |
---|
604 | } else { |
---|
605 | cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl; |
---|
606 | } // if |
---|
607 | } catch( const exception & e ) { |
---|
608 | cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n"; |
---|
609 | } // try |
---|
610 | return EXIT_FAILURE; |
---|
611 | } // try |
---|
612 | |
---|
613 | deleteAll( translationUnit ); |
---|
614 | Stats::print(); |
---|
615 | return EXIT_SUCCESS; |
---|
616 | } // main |
---|
617 | |
---|
618 | |
---|
619 | static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:"; |
---|
620 | |
---|
621 | enum { PreludeDir = 128 }; |
---|
622 | static struct option long_opts[] = { |
---|
623 | { "colors", required_argument, nullptr, 'c' }, |
---|
624 | { "gdb", no_argument, nullptr, 'g' }, |
---|
625 | { "help", no_argument, nullptr, 'h' }, |
---|
626 | { "libcfa", no_argument, nullptr, 'l' }, |
---|
627 | { "linemarks", no_argument, nullptr, 'L' }, |
---|
628 | { "no-main", no_argument, 0, 'm' }, |
---|
629 | { "no-linemarks", no_argument, nullptr, 'N' }, |
---|
630 | { "no-prelude", no_argument, nullptr, 'n' }, |
---|
631 | { "prototypes", no_argument, nullptr, 'p' }, |
---|
632 | { "deterministic-out", no_argument, nullptr, 'd' }, |
---|
633 | { "old-ast", no_argument, nullptr, 'O'}, |
---|
634 | { "new-ast", no_argument, nullptr, 'A'}, |
---|
635 | { "print", required_argument, nullptr, 'P' }, |
---|
636 | { "prelude-dir", required_argument, nullptr, PreludeDir }, |
---|
637 | { "statistics", required_argument, nullptr, 'S' }, |
---|
638 | { "tree", no_argument, nullptr, 't' }, |
---|
639 | { "", no_argument, nullptr, 0 }, // -w |
---|
640 | { "", no_argument, nullptr, 0 }, // -W |
---|
641 | { "", no_argument, nullptr, 0 }, // -D |
---|
642 | { nullptr, 0, nullptr, 0 } |
---|
643 | }; // long_opts |
---|
644 | |
---|
645 | static const char * description[] = { |
---|
646 | "diagnostic color: never, always, auto", // -c |
---|
647 | "wait for gdb to attach", // -g |
---|
648 | "print translator help message", // -h |
---|
649 | "generate libcfa.c", // -l |
---|
650 | "generate line marks", // -L |
---|
651 | "do not replace main", // -m |
---|
652 | "do not generate line marks", // -N |
---|
653 | "do not read prelude", // -n |
---|
654 | "do not generate prelude prototypes => prelude not printed", // -p |
---|
655 | "only print deterministic output", // -d |
---|
656 | "Use the old-ast", // -O |
---|
657 | "Use the new-ast", // -A |
---|
658 | "print", // -P |
---|
659 | "<directory> prelude directory for debug/nodebug", // no flag |
---|
660 | "<option-list> enable profiling information: counters, heap, time, all, none", // -S |
---|
661 | "building cfa standard lib", // -t |
---|
662 | "", // -w |
---|
663 | "", // -W |
---|
664 | "", // -D |
---|
665 | }; // description |
---|
666 | |
---|
667 | static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" ); |
---|
668 | |
---|
669 | static struct Printopts { |
---|
670 | const char * name; |
---|
671 | int & flag; |
---|
672 | int val; |
---|
673 | const char * descript; |
---|
674 | } printopts[] = { |
---|
675 | { "ascodegen", codegenp, true, "print AST as codegen rather than AST" }, |
---|
676 | { "asterr", errorp, true, "print AST on error" }, |
---|
677 | { "declstats", declstatsp, true, "code property statistics" }, |
---|
678 | { "parse", yydebug, true, "yacc (parsing) debug information" }, |
---|
679 | { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" }, |
---|
680 | { "rproto", resolvprotop, true, "resolver-proto instance" }, |
---|
681 | { "rsteps", resolvep, true, "print resolver steps" }, |
---|
682 | { "tree", parsep, true, "print parse tree" }, |
---|
683 | // code dumps |
---|
684 | { "ast", astp, true, "print AST after parsing" }, |
---|
685 | { "exdecl", exdeclp, true, "print AST after translating exception decls" }, |
---|
686 | { "symevt", symtabp, true, "print AST after symbol table events" }, |
---|
687 | { "altexpr", expraltp, true, "print alternatives for expressions" }, |
---|
688 | { "astdecl", validp, true, "print AST after declaration validation pass" }, |
---|
689 | { "resolver", bresolvep, true, "print AST before resolver step" }, |
---|
690 | { "astexpr", exprp, true, "print AST after expression analysis" }, |
---|
691 | { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" }, |
---|
692 | { "tuple", tuplep, true, "print AST after tuple expansion" }, |
---|
693 | { "astgen", genericsp, true, "print AST after instantiate generics" }, |
---|
694 | { "box", bboxp, true, "print AST before box step" }, |
---|
695 | { "codegen", bcodegenp, true, "print AST before code generation" }, |
---|
696 | }; |
---|
697 | enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) }; |
---|
698 | |
---|
699 | static void usage( char * argv[] ) { |
---|
700 | cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl; |
---|
701 | int i = 0, j = 1; // j skips starting colon |
---|
702 | for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) { |
---|
703 | if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only |
---|
704 | if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag |
---|
705 | cout << " -" << optstring[j] << ","; |
---|
706 | } else { // no flag |
---|
707 | j -= 1; // compensate |
---|
708 | cout << " "; |
---|
709 | } // if |
---|
710 | cout << " --" << left << setw(12) << long_opts[i].name << " "; |
---|
711 | if ( strcmp( long_opts[i].name, "print" ) == 0 ) { |
---|
712 | cout << "one of: " << endl; |
---|
713 | for ( int i = 0; i < printoptsSize; i += 1 ) { |
---|
714 | cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl; |
---|
715 | } // for |
---|
716 | } else { |
---|
717 | cout << description[i] << endl; |
---|
718 | } // if |
---|
719 | } // if |
---|
720 | if ( optstring[j + 1] == ':' ) j += 1; |
---|
721 | } // for |
---|
722 | if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" ); |
---|
723 | exit( EXIT_FAILURE ); |
---|
724 | } // usage |
---|
725 | |
---|
726 | static void parse_cmdline( int argc, char * argv[] ) { |
---|
727 | opterr = 0; // (global) prevent getopt from printing error messages |
---|
728 | |
---|
729 | bool Wsuppress = false, Werror = false; |
---|
730 | int c; |
---|
731 | while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) { |
---|
732 | switch ( c ) { |
---|
733 | case 'c': // diagnostic colors |
---|
734 | if ( strcmp( optarg, "always" ) == 0 ) { |
---|
735 | ErrorHelpers::colors = ErrorHelpers::Colors::Always; |
---|
736 | } else if ( strcmp( optarg, "never" ) == 0 ) { |
---|
737 | ErrorHelpers::colors = ErrorHelpers::Colors::Never; |
---|
738 | } else if ( strcmp( optarg, "auto" ) == 0 ) { |
---|
739 | ErrorHelpers::colors = ErrorHelpers::Colors::Auto; |
---|
740 | } // if |
---|
741 | break; |
---|
742 | case 'h': // help message |
---|
743 | usage( argv ); // no return |
---|
744 | break; |
---|
745 | case 'l': // generate libcfa.c |
---|
746 | libcfap = true; |
---|
747 | break; |
---|
748 | case 'L': // generate line marks |
---|
749 | linemarks = true; |
---|
750 | break; |
---|
751 | case 'm': // do not replace main |
---|
752 | nomainp = true; |
---|
753 | break; |
---|
754 | case 'N': // do not generate line marks |
---|
755 | linemarks = false; |
---|
756 | break; |
---|
757 | case 'n': // do not read prelude |
---|
758 | nopreludep = true; |
---|
759 | break; |
---|
760 | case 'p': // generate prototypes for prelude functions |
---|
761 | genproto = true; |
---|
762 | break; |
---|
763 | case 'd': // don't print non-deterministic output |
---|
764 | deterministic_output = true; |
---|
765 | break; |
---|
766 | case 'O': // don't print non-deterministic output |
---|
767 | useNewAST = false; |
---|
768 | break; |
---|
769 | case 'A': // don't print non-deterministic output |
---|
770 | useNewAST = true; |
---|
771 | break; |
---|
772 | case 'P': // print options |
---|
773 | for ( int i = 0;; i += 1 ) { |
---|
774 | if ( i == printoptsSize ) { |
---|
775 | cout << "Unknown --print option " << optarg << endl; |
---|
776 | goto Default; |
---|
777 | } // if |
---|
778 | if ( strcmp( optarg, printopts[i].name ) == 0 ) { |
---|
779 | printopts[i].flag = printopts[i].val; |
---|
780 | break; |
---|
781 | } // if |
---|
782 | } // for |
---|
783 | break; |
---|
784 | case PreludeDir: // prelude directory for debug/nodebug, hidden |
---|
785 | PreludeDirector = optarg; |
---|
786 | break; |
---|
787 | case 'S': // enable profiling information, argument comma separated list of names |
---|
788 | Stats::parse_params( optarg ); |
---|
789 | break; |
---|
790 | case 't': // building cfa stdlib |
---|
791 | treep = true; |
---|
792 | break; |
---|
793 | case 'g': // wait for gdb |
---|
794 | waiting_for_gdb = true; |
---|
795 | break; |
---|
796 | case 'w': // suppress all warnings, hidden |
---|
797 | Wsuppress = true; |
---|
798 | break; |
---|
799 | case 'W': // coordinate gcc -W with CFA, hidden |
---|
800 | if ( strcmp( optarg, "all" ) == 0 ) { |
---|
801 | SemanticWarning_EnableAll(); |
---|
802 | } else if ( strcmp( optarg, "error" ) == 0 ) { |
---|
803 | Werror = true; |
---|
804 | } else { |
---|
805 | char * warning = optarg; |
---|
806 | Severity s; |
---|
807 | if ( strncmp( optarg, "no-", 3 ) == 0 ) { |
---|
808 | warning += 3; |
---|
809 | s = Severity::Suppress; |
---|
810 | } else { |
---|
811 | s = Severity::Warn; |
---|
812 | } // if |
---|
813 | SemanticWarning_Set( warning, s ); |
---|
814 | } // if |
---|
815 | break; |
---|
816 | case 'D': // ignore -Dxxx, forwarded by cpp, hidden |
---|
817 | break; |
---|
818 | case '?': // unknown option |
---|
819 | if ( optopt ) { // short option ? |
---|
820 | cout << "Unknown option -" << (char)optopt << endl; |
---|
821 | } else { |
---|
822 | cout << "Unknown option " << argv[optind - 1] << endl; |
---|
823 | } // if |
---|
824 | goto Default; |
---|
825 | case ':': // missing option |
---|
826 | if ( optopt ) { // short option ? |
---|
827 | cout << "Missing option for -" << (char)optopt << endl; |
---|
828 | } else { |
---|
829 | cout << "Missing option for " << argv[optind - 1] << endl; |
---|
830 | } // if |
---|
831 | goto Default; |
---|
832 | Default: |
---|
833 | default: |
---|
834 | usage( argv ); // no return |
---|
835 | } // switch |
---|
836 | } // while |
---|
837 | |
---|
838 | if ( Werror ) { |
---|
839 | SemanticWarning_WarningAsError(); |
---|
840 | } // if |
---|
841 | if ( Wsuppress ) { |
---|
842 | SemanticWarning_SuppressAll(); |
---|
843 | } // if |
---|
844 | // for ( const auto w : WarningFormats ) { |
---|
845 | // cout << w.name << ' ' << (int)w.severity << endl; |
---|
846 | // } // for |
---|
847 | } // parse_cmdline |
---|
848 | |
---|
849 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) { |
---|
850 | extern int yyparse( void ); |
---|
851 | extern FILE * yyin; |
---|
852 | extern int yylineno; |
---|
853 | |
---|
854 | ::linkage = linkage; // set globals |
---|
855 | yyin = input; |
---|
856 | yylineno = 1; |
---|
857 | int parseStatus = yyparse(); |
---|
858 | |
---|
859 | fclose( input ); |
---|
860 | if ( shouldExit || parseStatus != 0 ) { |
---|
861 | exit( parseStatus ); |
---|
862 | } // if |
---|
863 | } // parse |
---|
864 | |
---|
865 | static bool notPrelude( Declaration * decl ) { |
---|
866 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); |
---|
867 | } // notPrelude |
---|
868 | |
---|
869 | static void dump( list< Declaration * > & translationUnit, ostream & out ) { |
---|
870 | list< Declaration * > decls; |
---|
871 | |
---|
872 | if ( genproto ) { |
---|
873 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude ); |
---|
874 | } else { |
---|
875 | decls = translationUnit; |
---|
876 | } // if |
---|
877 | |
---|
878 | // depending on commandline options, either generate code or dump the AST |
---|
879 | if ( codegenp ) { |
---|
880 | CodeGen::generate( decls, out, ! genproto, prettycodegenp ); |
---|
881 | } else { |
---|
882 | printAll( decls, out ); |
---|
883 | } // if |
---|
884 | deleteAll( translationUnit ); |
---|
885 | } // dump |
---|
886 | |
---|
887 | static void dump( ast::TranslationUnit && transUnit, ostream & out ) { |
---|
888 | std::list< Declaration * > translationUnit = convert( move( transUnit ) ); |
---|
889 | dump( translationUnit, out ); |
---|
890 | } |
---|
891 | |
---|
892 | // Local Variables: // |
---|
893 | // tab-width: 4 // |
---|
894 | // mode: c++ // |
---|
895 | // compile-command: "make install" // |
---|
896 | // End: // |
---|