| 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 : Mon Jul 18 11:08:00 2022 | 
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| 13 | // Update Count     : 676 | 
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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 "SymTab/ValidateType.h"            // for linkReferenceToTypes | 
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| 73 | #include "SynTree/LinkageSpec.h"            // for Spec, Cforall, Intrinsic | 
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| 74 | #include "SynTree/Declaration.h"            // for Declaration | 
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| 75 | #include "SynTree/Visitor.h"                // for acceptAll | 
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| 76 | #include "Tuples/Tuples.h"                  // for expandMemberTuples, expan... | 
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| 77 | #include "Validate/Autogen.hpp"             // for autogenerateRoutines | 
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| 78 | #include "Validate/CompoundLiteral.hpp"     // for handleCompoundLiterals | 
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| 79 | #include "Validate/EliminateTypedef.hpp"    // for eliminateTypedef | 
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| 80 | #include "Validate/EnumAndPointerDecay.hpp" // for decayEnumsAndPointers | 
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| 81 | #include "Validate/FindSpecialDecls.h"      // for findGlobalDecls | 
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| 82 | #include "Validate/FixQualifiedTypes.hpp"   // for fixQualifiedTypes | 
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| 83 | #include "Validate/FixReturnTypes.hpp"      // for fixReturnTypes | 
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| 84 | #include "Validate/ForallPointerDecay.hpp"  // for decayForallPointers | 
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| 85 | #include "Validate/GenericParameter.hpp"    // for fillGenericParameters, tr... | 
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| 86 | #include "Validate/HoistStruct.hpp"         // for hoistStruct | 
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| 87 | #include "Validate/HoistTypeDecls.hpp"      // for hoistTypeDecls | 
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| 88 | #include "Validate/InitializerLength.hpp"   // for setLengthFromInitializer | 
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| 89 | #include "Validate/LabelAddressFixer.hpp"   // for fixLabelAddresses | 
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| 90 | #include "Validate/LinkReferenceToTypes.hpp" // for linkReferenceToTypes | 
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| 91 | #include "Validate/ReplaceTypedef.hpp"      // for replaceTypedef | 
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| 92 | #include "Validate/ReturnCheck.hpp"         // for checkReturnStatements | 
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| 93 | #include "Validate/VerifyCtorDtorAssign.hpp" // for verifyCtorDtorAssign | 
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| 94 | #include "Virtual/ExpandCasts.h"            // for expandCasts | 
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| 95 |  | 
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| 96 | static void NewPass( const char * const name ) { | 
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| 97 | Stats::Heap::newPass( name ); | 
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| 98 | using namespace Stats::Counters; | 
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| 99 | { | 
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| 100 | static auto group = build<CounterGroup>( "Pass Visitor" ); | 
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| 101 | auto pass = build<CounterGroup>( name, group ); | 
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| 102 | pass_visitor_stats.depth = 0; | 
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| 103 | pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass ); | 
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| 104 | pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass ); | 
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| 105 | } | 
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| 106 | { | 
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| 107 | static auto group = build<CounterGroup>( "Syntax Node" ); | 
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| 108 | auto pass = build<CounterGroup>( name, group ); | 
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| 109 | BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass ); | 
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| 110 | } | 
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| 111 | } | 
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| 112 |  | 
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| 113 | #define PASS( name, pass )                  \ | 
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| 114 | if ( errorp ) { cerr << name << endl; } \ | 
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| 115 | NewPass(name);                          \ | 
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| 116 | Stats::Time::StartBlock(name);          \ | 
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| 117 | pass;                                   \ | 
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| 118 | Stats::Time::StopBlock(); | 
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| 119 |  | 
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| 120 | LinkageSpec::Spec linkage = LinkageSpec::Cforall; | 
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| 121 | TypedefTable typedefTable; | 
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| 122 | DeclarationNode * parseTree = nullptr;                                  // program parse tree | 
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| 123 |  | 
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| 124 | static bool waiting_for_gdb = false;                                    // flag to set cfa-cpp to wait for gdb on start | 
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| 125 |  | 
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| 126 | static string PreludeDirector = ""; | 
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| 127 |  | 
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| 128 | static void parse_cmdline( int argc, char * argv[] ); | 
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| 129 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false ); | 
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| 130 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout ); | 
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| 131 | static void dump( ast::TranslationUnit && transUnit, ostream & out = cout ); | 
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| 132 |  | 
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| 133 | static void backtrace( int start ) {                                    // skip first N stack frames | 
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| 134 | enum { Frames = 50, };                                                          // maximum number of stack frames | 
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| 135 | void * array[Frames]; | 
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| 136 | size_t size = ::backtrace( array, Frames ); | 
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| 137 | char ** messages = ::backtrace_symbols( array, size ); // does not demangle names | 
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| 138 |  | 
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| 139 | *index( messages[0], '(' ) = '\0';                                      // find executable name | 
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| 140 | cerr << "Stack back trace for: " << messages[0] << endl; | 
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| 141 |  | 
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| 142 | // skip last 2 stack frames after main | 
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| 143 | for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) { | 
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| 144 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr; | 
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| 145 |  | 
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| 146 | for ( char * p = messages[i]; *p; p += 1 ) {    // find parantheses and +offset | 
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| 147 | if ( *p == '(' ) { | 
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| 148 | mangled_name = p; | 
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| 149 | } else if ( *p == '+' ) { | 
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| 150 | offset_begin = p; | 
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| 151 | } else if ( *p == ')' ) { | 
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| 152 | offset_end = p; | 
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| 153 | break; | 
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| 154 | } // if | 
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| 155 | } // for | 
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| 156 |  | 
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| 157 | // if line contains symbol, attempt to demangle | 
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| 158 | int frameNo = i - start; | 
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| 159 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) { | 
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| 160 | *mangled_name++ = '\0';                                         // delimit strings | 
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| 161 | *offset_begin++ = '\0'; | 
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| 162 | *offset_end++ = '\0'; | 
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| 163 |  | 
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| 164 | int status; | 
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| 165 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status ); | 
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| 166 | // bug in __cxa_demangle for single-character lower-case non-mangled names | 
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| 167 | if ( status == 0 ) {                                            // demangling successful ? | 
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| 168 | cerr << "(" << frameNo << ") " << messages[i] << " : " | 
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| 169 | << real_name << "+" << offset_begin << offset_end << endl; | 
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| 170 | } else {                                                                        // otherwise, output mangled name | 
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| 171 | cerr << "(" << frameNo << ") " << messages[i] << " : " | 
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| 172 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl; | 
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| 173 | } // if | 
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| 174 |  | 
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| 175 | free( real_name ); | 
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| 176 | } else {                                                                                // otherwise, print the whole line | 
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| 177 | cerr << "(" << frameNo << ") " << messages[i] << endl; | 
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| 178 | } // if | 
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| 179 | } // for | 
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| 180 |  | 
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| 181 | free( messages ); | 
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| 182 | } // backtrace | 
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| 183 |  | 
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| 184 | #define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused )) | 
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| 185 |  | 
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| 186 | static void _Signal(struct sigaction & act, int sig, int flags ) { | 
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| 187 | act.sa_flags = flags; | 
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| 188 |  | 
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| 189 | if ( sigaction( sig, &act, nullptr ) == -1 ) { | 
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| 190 | cerr << "*cfa-cpp compilation error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl; | 
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| 191 | _exit( EXIT_FAILURE ); | 
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| 192 | } // if | 
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| 193 | } | 
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| 194 |  | 
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| 195 | static void Signal( int sig, void (* handler)(SIGPARMS), int flags ) { | 
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| 196 | struct sigaction act; | 
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| 197 | act.sa_sigaction = (void (*)(int, siginfo_t *, void *))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 Signal( int sig, void (* handler)(int), int flags ) { | 
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| 202 | struct sigaction act; | 
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| 203 | act.sa_handler = handler; | 
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| 204 | _Signal(act, sig, flags); | 
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| 205 | } // Signal | 
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| 206 |  | 
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| 207 | static void sigSegvBusHandler( SIGPARMS ) { | 
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| 208 | if ( sfp->si_addr == nullptr ) { | 
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| 209 | cerr << "Null pointer (nullptr) dereference." << endl; | 
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| 210 | } else { | 
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| 211 | cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl | 
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| 212 | << "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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| 213 | } // if | 
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| 214 | backtrace( 2 );                                                                         // skip first 2 stack frames | 
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| 215 | abort();                                                                                        // cause core dump for debugging | 
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| 216 | } // sigSegvBusHandler | 
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| 217 |  | 
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| 218 | static void sigFpeHandler( SIGPARMS ) { | 
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| 219 | const char * msg; | 
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| 220 |  | 
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| 221 | switch ( sfp->si_code ) { | 
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| 222 | case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break; | 
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| 223 | case FPE_FLTOVF: msg = "overflow"; break; | 
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| 224 | case FPE_FLTUND: msg = "underflow"; break; | 
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| 225 | case FPE_FLTRES: msg = "inexact result"; break; | 
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| 226 | case FPE_FLTINV: msg = "invalid operation"; break; | 
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| 227 | default: msg = "unknown"; | 
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| 228 | } // choose | 
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| 229 | cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl | 
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| 230 | << "Possible cause is constant-expression evaluation invalid." << endl; | 
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| 231 | backtrace( 2 );                                                                         // skip first 2 stack frames | 
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| 232 | abort();                                                                                        // cause core dump for debugging | 
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| 233 | } // sigFpeHandler | 
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| 234 |  | 
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| 235 | static void sigAbortHandler( SIGPARMS ) { | 
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| 236 | backtrace( 6 );                                                                         // skip first 6 stack frames | 
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| 237 | Signal( SIGABRT, SIG_DFL, SA_SIGINFO ); // reset default signal handler | 
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| 238 | raise( SIGABRT );                                                                       // reraise SIGABRT | 
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| 239 | } // sigAbortHandler | 
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| 240 |  | 
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| 241 | int main( int argc, char * argv[] ) { | 
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| 242 | FILE * input;                                                                           // use FILE rather than istream because yyin is FILE | 
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| 243 | ostream * output = & cout; | 
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| 244 | list< Declaration * > translationUnit; | 
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| 245 |  | 
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| 246 | Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO ); | 
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| 247 | Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO ); | 
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| 248 | Signal( SIGFPE, sigFpeHandler, SA_SIGINFO ); | 
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| 249 | Signal( SIGABRT, sigAbortHandler, SA_SIGINFO ); | 
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| 250 |  | 
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| 251 | // cout << "main" << endl; | 
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| 252 | // for ( int i = 0; i < argc; i += 1 ) { | 
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| 253 | //      cout << '\t' << argv[i] << endl; | 
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| 254 | // } // for | 
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| 255 |  | 
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| 256 | parse_cmdline( argc, argv );                                            // process command-line arguments | 
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| 257 | CodeGen::FixMain::setReplaceMain( !nomainp ); | 
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| 258 |  | 
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| 259 | if ( waiting_for_gdb ) { | 
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| 260 | cerr << "Waiting for gdb" << endl; | 
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| 261 | cerr << "run :" << endl; | 
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| 262 | cerr << "  gdb attach " << getpid() << endl; | 
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| 263 | raise(SIGSTOP); | 
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| 264 | } // if | 
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| 265 |  | 
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| 266 | try { | 
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| 267 | // choose to read the program from a file or stdin | 
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| 268 | if ( optind < argc ) {                                                  // any commands after the flags ? => input file name | 
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| 269 | input = fopen( argv[ optind ], "r" ); | 
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| 270 | assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) ); | 
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| 271 | optind += 1; | 
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| 272 | } else {                                                                                // no input file name | 
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| 273 | input = stdin; | 
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| 274 | } // if | 
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| 275 |  | 
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| 276 | Stats::Time::StartGlobal(); | 
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| 277 | NewPass("Parse"); | 
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| 278 | Stats::Time::StartBlock("Parse"); | 
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| 279 |  | 
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| 280 | // read in the builtins, extras, and the prelude | 
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| 281 | if ( ! nopreludep ) {                                                   // include gcc builtins | 
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| 282 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. | 
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| 283 |  | 
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| 284 | assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." ); | 
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| 285 |  | 
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| 286 | // Read to gcc builtins, if not generating the cfa library | 
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| 287 | FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" ); | 
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| 288 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" ); | 
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| 289 | parse( gcc_builtins, LinkageSpec::Compiler ); | 
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| 290 |  | 
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| 291 | // read the extra prelude in, if not generating the cfa library | 
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| 292 | FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" ); | 
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| 293 | assertf( extras, "cannot open extras.cf\n" ); | 
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| 294 | parse( extras, LinkageSpec::BuiltinC ); | 
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| 295 |  | 
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| 296 | if ( ! libcfap ) { | 
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| 297 | // read the prelude in, if not generating the cfa library | 
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| 298 | FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" ); | 
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| 299 | assertf( prelude, "cannot open prelude.cfa\n" ); | 
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| 300 | parse( prelude, LinkageSpec::Intrinsic ); | 
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| 301 |  | 
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| 302 | // Read to cfa builtins, if not generating the cfa library | 
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| 303 | FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" ); | 
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| 304 | assertf( builtins, "cannot open builtins.cf\n" ); | 
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| 305 | parse( builtins, LinkageSpec::BuiltinCFA ); | 
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| 306 | } // if | 
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| 307 | } // if | 
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| 308 |  | 
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| 309 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug ); | 
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| 310 |  | 
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| 311 | if ( parsep ) { | 
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| 312 | parseTree->printList( cout ); | 
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| 313 | delete parseTree; | 
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| 314 | return EXIT_SUCCESS; | 
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| 315 | } // if | 
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| 316 |  | 
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| 317 | buildList( parseTree, translationUnit ); | 
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| 318 | delete parseTree; | 
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| 319 | parseTree = nullptr; | 
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| 320 |  | 
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| 321 | if ( astp ) { | 
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| 322 | dump( translationUnit ); | 
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| 323 | return EXIT_SUCCESS; | 
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| 324 | } // if | 
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| 325 |  | 
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| 326 | // Temporary: fill locations after parsing so that every node has a location, for early error messages. | 
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| 327 | // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution | 
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| 328 | // works okay for now. | 
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| 329 | CodeTools::fillLocations( translationUnit ); | 
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| 330 | Stats::Time::StopBlock(); | 
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| 331 |  | 
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| 332 | if( useNewAST ) { | 
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| 333 | if (Stats::Counters::enabled) { | 
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| 334 | ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New"); | 
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| 335 | ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New"); | 
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| 336 | } | 
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| 337 | auto transUnit = convert( move( translationUnit ) ); | 
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| 338 |  | 
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| 339 | forceFillCodeLocations( transUnit ); | 
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| 340 |  | 
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| 341 | PASS( "Translate Exception Declarations", ControlStruct::translateExcept( transUnit ) ); | 
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| 342 | if ( exdeclp ) { | 
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| 343 | dump( move( transUnit ) ); | 
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| 344 | return EXIT_SUCCESS; | 
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| 345 | } | 
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| 346 |  | 
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| 347 | PASS( "Verify Ctor, Dtor & Assign", Validate::verifyCtorDtorAssign( transUnit ) ); | 
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| 348 | PASS( "Hoist Type Decls", Validate::hoistTypeDecls( transUnit ) ); | 
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| 349 | // Hoist Type Decls pulls some declarations out of contexts where | 
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| 350 | // locations are not tracked. Perhaps they should be, but for now | 
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| 351 | // the full fill solves it. | 
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| 352 | forceFillCodeLocations( transUnit ); | 
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| 353 |  | 
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| 354 | PASS( "Replace Typedefs", Validate::replaceTypedef( transUnit ) ); | 
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| 355 | PASS( "Fix Return Types", Validate::fixReturnTypes( transUnit ) ); | 
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| 356 | PASS( "Enum and Pointer Decay", Validate::decayEnumsAndPointers( transUnit ) ); | 
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| 357 |  | 
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| 358 | PASS( "Link Reference To Types", Validate::linkReferenceToTypes( transUnit ) ); | 
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| 359 |  | 
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| 360 | PASS( "Fix Qualified Types", Validate::fixQualifiedTypes( transUnit ) ); | 
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| 361 | PASS( "Hoist Struct", Validate::hoistStruct( transUnit ) ); | 
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| 362 | PASS( "Eliminate Typedef", Validate::eliminateTypedef( transUnit ) ); | 
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| 363 | PASS( "Validate Generic Parameters", Validate::fillGenericParameters( transUnit ) ); | 
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| 364 | PASS( "Translate Dimensions", Validate::translateDimensionParameters( transUnit ) ); | 
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| 365 | PASS( "Check Function Returns", Validate::checkReturnStatements( transUnit ) ); | 
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| 366 | PASS( "Fix Return Statements", InitTweak::fixReturnStatements( transUnit ) ); | 
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| 367 | PASS( "Implement Concurrent Keywords", Concurrency::implementKeywords( transUnit ) ); | 
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| 368 | PASS( "Forall Pointer Decay", Validate::decayForallPointers( transUnit ) ); | 
|---|
| 369 | PASS( "Hoist Control Declarations", ControlStruct::hoistControlDecls( transUnit ) ); | 
|---|
| 370 |  | 
|---|
| 371 | PASS( "Generate Autogen Routines", Validate::autogenerateRoutines( transUnit ) ); | 
|---|
| 372 |  | 
|---|
| 373 | PASS( "Implement Mutex", Concurrency::implementMutex( transUnit ) ); | 
|---|
| 374 | PASS( "Implement Thread Start", Concurrency::implementThreadStarter( transUnit ) ); | 
|---|
| 375 | PASS( "Compound Literal", Validate::handleCompoundLiterals( transUnit ) ); | 
|---|
| 376 | PASS( "Set Length From Initializer", Validate::setLengthFromInitializer( transUnit ) ); | 
|---|
| 377 | PASS( "Find Global Decls", Validate::findGlobalDecls( transUnit ) ); | 
|---|
| 378 | PASS( "Fix Label Address", Validate::fixLabelAddresses( transUnit ) ); | 
|---|
| 379 |  | 
|---|
| 380 | if ( symtabp ) { | 
|---|
| 381 | return EXIT_SUCCESS; | 
|---|
| 382 | } // if | 
|---|
| 383 |  | 
|---|
| 384 | if ( expraltp ) { | 
|---|
| 385 | ResolvExpr::printCandidates( transUnit ); | 
|---|
| 386 | return EXIT_SUCCESS; | 
|---|
| 387 | } // if | 
|---|
| 388 |  | 
|---|
| 389 | if ( validp ) { | 
|---|
| 390 | dump( move( transUnit ) ); | 
|---|
| 391 | return EXIT_SUCCESS; | 
|---|
| 392 | } // if | 
|---|
| 393 |  | 
|---|
| 394 | PASS( "Translate Throws", ControlStruct::translateThrows( transUnit ) ); | 
|---|
| 395 | PASS( "Fix Labels", ControlStruct::fixLabels( transUnit ) ); | 
|---|
| 396 | PASS( "Fix Names", CodeGen::fixNames( transUnit ) ); | 
|---|
| 397 | PASS( "Gen Init", InitTweak::genInit( transUnit ) ); | 
|---|
| 398 | PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( transUnit ) ); | 
|---|
| 399 |  | 
|---|
| 400 | if ( libcfap ) { | 
|---|
| 401 | // Generate the bodies of cfa library functions. | 
|---|
| 402 | LibCfa::makeLibCfa( transUnit ); | 
|---|
| 403 | } // if | 
|---|
| 404 |  | 
|---|
| 405 | if ( declstatsp ) { | 
|---|
| 406 | printDeclStats( transUnit ); | 
|---|
| 407 | return EXIT_SUCCESS; | 
|---|
| 408 | } // if | 
|---|
| 409 |  | 
|---|
| 410 | if ( bresolvep ) { | 
|---|
| 411 | dump( move( transUnit ) ); | 
|---|
| 412 | return EXIT_SUCCESS; | 
|---|
| 413 | } // if | 
|---|
| 414 |  | 
|---|
| 415 | if ( resolvprotop ) { | 
|---|
| 416 | dumpAsResolverProto( transUnit ); | 
|---|
| 417 | return EXIT_SUCCESS; | 
|---|
| 418 | } // if | 
|---|
| 419 |  | 
|---|
| 420 | PASS( "Resolve", ResolvExpr::resolve( transUnit ) ); | 
|---|
| 421 | if ( exprp ) { | 
|---|
| 422 | dump( move( transUnit ) ); | 
|---|
| 423 | return EXIT_SUCCESS; | 
|---|
| 424 | } // if | 
|---|
| 425 |  | 
|---|
| 426 | forceFillCodeLocations( transUnit ); | 
|---|
| 427 |  | 
|---|
| 428 | PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary())); | 
|---|
| 429 |  | 
|---|
| 430 | // fix ObjectDecl - replaces ConstructorInit nodes | 
|---|
| 431 | if ( ctorinitp ) { | 
|---|
| 432 | dump( move( transUnit ) ); | 
|---|
| 433 | return EXIT_SUCCESS; | 
|---|
| 434 | } // if | 
|---|
| 435 |  | 
|---|
| 436 | // Currently not working due to unresolved issues with UniqueExpr | 
|---|
| 437 | 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 | 
|---|
| 438 |  | 
|---|
| 439 | PASS( "Translate Tries", ControlStruct::translateTries( transUnit ) ); | 
|---|
| 440 | PASS( "Gen Waitfor", Concurrency::generateWaitFor( transUnit ) ); | 
|---|
| 441 |  | 
|---|
| 442 | // Needs to happen before tuple types are expanded. | 
|---|
| 443 | PASS( "Convert Specializations",  GenPoly::convertSpecializations( transUnit ) ); | 
|---|
| 444 |  | 
|---|
| 445 | translationUnit = convert( move( transUnit ) ); | 
|---|
| 446 | } else { | 
|---|
| 447 | PASS( "Translate Exception Declarations", ControlStruct::translateExcept( translationUnit ) ); | 
|---|
| 448 | if ( exdeclp ) { | 
|---|
| 449 | dump( translationUnit ); | 
|---|
| 450 | return EXIT_SUCCESS; | 
|---|
| 451 | } // if | 
|---|
| 452 |  | 
|---|
| 453 | // add the assignment statement after the initialization of a type parameter | 
|---|
| 454 | PASS( "Validate", SymTab::validate( translationUnit ) ); | 
|---|
| 455 |  | 
|---|
| 456 | if ( symtabp ) { | 
|---|
| 457 | deleteAll( translationUnit ); | 
|---|
| 458 | return EXIT_SUCCESS; | 
|---|
| 459 | } // if | 
|---|
| 460 |  | 
|---|
| 461 | if ( expraltp ) { | 
|---|
| 462 | PassVisitor<ResolvExpr::AlternativePrinter> printer( cout ); | 
|---|
| 463 | acceptAll( translationUnit, printer ); | 
|---|
| 464 | return EXIT_SUCCESS; | 
|---|
| 465 | } // if | 
|---|
| 466 |  | 
|---|
| 467 | if ( validp ) { | 
|---|
| 468 | dump( translationUnit ); | 
|---|
| 469 | return EXIT_SUCCESS; | 
|---|
| 470 | } // if | 
|---|
| 471 |  | 
|---|
| 472 | PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) ); | 
|---|
| 473 | PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) ); | 
|---|
| 474 | PASS( "Fix Names", CodeGen::fixNames( translationUnit ) ); | 
|---|
| 475 | PASS( "Gen Init", InitTweak::genInit( translationUnit ) ); | 
|---|
| 476 | PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) ); | 
|---|
| 477 |  | 
|---|
| 478 | if ( libcfap ) { | 
|---|
| 479 | // Generate the bodies of cfa library functions. | 
|---|
| 480 | LibCfa::makeLibCfa( translationUnit ); | 
|---|
| 481 | } // if | 
|---|
| 482 |  | 
|---|
| 483 | if ( declstatsp ) { | 
|---|
| 484 | CodeTools::printDeclStats( translationUnit ); | 
|---|
| 485 | deleteAll( translationUnit ); | 
|---|
| 486 | return EXIT_SUCCESS; | 
|---|
| 487 | } // if | 
|---|
| 488 |  | 
|---|
| 489 | if ( bresolvep ) { | 
|---|
| 490 | dump( translationUnit ); | 
|---|
| 491 | return EXIT_SUCCESS; | 
|---|
| 492 | } // if | 
|---|
| 493 |  | 
|---|
| 494 | CodeTools::fillLocations( translationUnit ); | 
|---|
| 495 |  | 
|---|
| 496 | if ( resolvprotop ) { | 
|---|
| 497 | CodeTools::dumpAsResolvProto( translationUnit ); | 
|---|
| 498 | return EXIT_SUCCESS; | 
|---|
| 499 | } // if | 
|---|
| 500 |  | 
|---|
| 501 | PASS( "Resolve", ResolvExpr::resolve( translationUnit ) ); | 
|---|
| 502 | if ( exprp ) { | 
|---|
| 503 | dump( translationUnit ); | 
|---|
| 504 | return EXIT_SUCCESS; | 
|---|
| 505 | } | 
|---|
| 506 |  | 
|---|
| 507 | PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) ); | 
|---|
| 508 |  | 
|---|
| 509 | // fix ObjectDecl - replaces ConstructorInit nodes | 
|---|
| 510 | if ( ctorinitp ) { | 
|---|
| 511 | dump ( translationUnit ); | 
|---|
| 512 | return EXIT_SUCCESS; | 
|---|
| 513 | } // if | 
|---|
| 514 |  | 
|---|
| 515 | 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 | 
|---|
| 516 | PASS( "Translate Tries", ControlStruct::translateTries( translationUnit ) ); | 
|---|
| 517 | PASS( "Gen Waitfor", Concurrency::generateWaitFor( translationUnit ) ); | 
|---|
| 518 | PASS( "Convert Specializations",  GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded | 
|---|
| 519 | } | 
|---|
| 520 |  | 
|---|
| 521 | PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this? | 
|---|
| 522 |  | 
|---|
| 523 | if ( tuplep ) { | 
|---|
| 524 | dump( translationUnit ); | 
|---|
| 525 | return EXIT_SUCCESS; | 
|---|
| 526 | } // if | 
|---|
| 527 |  | 
|---|
| 528 | PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM | 
|---|
| 529 |  | 
|---|
| 530 | PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) ); | 
|---|
| 531 | if ( genericsp ) { | 
|---|
| 532 | dump( translationUnit ); | 
|---|
| 533 | return EXIT_SUCCESS; | 
|---|
| 534 | } // if | 
|---|
| 535 |  | 
|---|
| 536 | PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) ); | 
|---|
| 537 |  | 
|---|
| 538 | if ( bboxp ) { | 
|---|
| 539 | dump( translationUnit ); | 
|---|
| 540 | return EXIT_SUCCESS; | 
|---|
| 541 | } // if | 
|---|
| 542 | PASS( "Box", GenPoly::box( translationUnit ) ); | 
|---|
| 543 |  | 
|---|
| 544 | PASS( "Link-Once", CodeGen::translateLinkOnce( translationUnit ) ); | 
|---|
| 545 |  | 
|---|
| 546 | // Code has been lowered to C, now we can start generation. | 
|---|
| 547 |  | 
|---|
| 548 | if ( bcodegenp ) { | 
|---|
| 549 | dump( translationUnit ); | 
|---|
| 550 | return EXIT_SUCCESS; | 
|---|
| 551 | } // if | 
|---|
| 552 |  | 
|---|
| 553 | if ( optind < argc ) {                                                  // any commands after the flags and input file ? => output file name | 
|---|
| 554 | output = new ofstream( argv[ optind ] ); | 
|---|
| 555 | } // if | 
|---|
| 556 |  | 
|---|
| 557 | CodeTools::fillLocations( translationUnit ); | 
|---|
| 558 | PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) ); | 
|---|
| 559 |  | 
|---|
| 560 | CodeGen::FixMain::fix( translationUnit, *output, | 
|---|
| 561 | (PreludeDirector + "/bootloader.c").c_str() ); | 
|---|
| 562 | if ( output != &cout ) { | 
|---|
| 563 | delete output; | 
|---|
| 564 | } // if | 
|---|
| 565 | } catch ( SemanticErrorException & e ) { | 
|---|
| 566 | if ( errorp ) { | 
|---|
| 567 | cerr << "---AST at error:---" << endl; | 
|---|
| 568 | dump( translationUnit, cerr ); | 
|---|
| 569 | cerr << endl << "---End of AST, begin error message:---\n" << endl; | 
|---|
| 570 | } // if | 
|---|
| 571 | e.print(); | 
|---|
| 572 | if ( output != &cout ) { | 
|---|
| 573 | delete output; | 
|---|
| 574 | } // if | 
|---|
| 575 | return EXIT_FAILURE; | 
|---|
| 576 | } catch ( UnimplementedError & e ) { | 
|---|
| 577 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl; | 
|---|
| 578 | if ( output != &cout ) { | 
|---|
| 579 | delete output; | 
|---|
| 580 | } // if | 
|---|
| 581 | return EXIT_FAILURE; | 
|---|
| 582 | } catch ( CompilerError & e ) { | 
|---|
| 583 | cerr << "Compiler Error: " << e.get_what() << endl; | 
|---|
| 584 | cerr << "(please report bugs to [REDACTED])" << endl; | 
|---|
| 585 | if ( output != &cout ) { | 
|---|
| 586 | delete output; | 
|---|
| 587 | } // if | 
|---|
| 588 | return EXIT_FAILURE; | 
|---|
| 589 | } catch ( std::bad_alloc & ) { | 
|---|
| 590 | cerr << "*cfa-cpp compilation error* std::bad_alloc" << endl; | 
|---|
| 591 | backtrace( 1 ); | 
|---|
| 592 | abort(); | 
|---|
| 593 | } catch ( ... ) { | 
|---|
| 594 | exception_ptr eptr = current_exception(); | 
|---|
| 595 | try { | 
|---|
| 596 | if (eptr) { | 
|---|
| 597 | rethrow_exception(eptr); | 
|---|
| 598 | } else { | 
|---|
| 599 | cerr << "*cfa-cpp compilation error* exception uncaught and unknown" << endl; | 
|---|
| 600 | } // if | 
|---|
| 601 | } catch( const exception & e ) { | 
|---|
| 602 | cerr << "*cfa-cpp compilation error* uncaught exception \"" << e.what() << "\"\n"; | 
|---|
| 603 | } // try | 
|---|
| 604 | return EXIT_FAILURE; | 
|---|
| 605 | } // try | 
|---|
| 606 |  | 
|---|
| 607 | deleteAll( translationUnit ); | 
|---|
| 608 | Stats::print(); | 
|---|
| 609 | return EXIT_SUCCESS; | 
|---|
| 610 | } // main | 
|---|
| 611 |  | 
|---|
| 612 |  | 
|---|
| 613 | static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:"; | 
|---|
| 614 |  | 
|---|
| 615 | enum { PreludeDir = 128 }; | 
|---|
| 616 | static struct option long_opts[] = { | 
|---|
| 617 | { "colors", required_argument, nullptr, 'c' }, | 
|---|
| 618 | { "gdb", no_argument, nullptr, 'g' }, | 
|---|
| 619 | { "help", no_argument, nullptr, 'h' }, | 
|---|
| 620 | { "libcfa", no_argument, nullptr, 'l' }, | 
|---|
| 621 | { "linemarks", no_argument, nullptr, 'L' }, | 
|---|
| 622 | { "no-main", no_argument, 0, 'm' }, | 
|---|
| 623 | { "no-linemarks", no_argument, nullptr, 'N' }, | 
|---|
| 624 | { "no-prelude", no_argument, nullptr, 'n' }, | 
|---|
| 625 | { "prototypes", no_argument, nullptr, 'p' }, | 
|---|
| 626 | { "deterministic-out", no_argument, nullptr, 'd' }, | 
|---|
| 627 | { "old-ast", no_argument, nullptr, 'O'}, | 
|---|
| 628 | { "new-ast", no_argument, nullptr, 'A'}, | 
|---|
| 629 | { "print", required_argument, nullptr, 'P' }, | 
|---|
| 630 | { "prelude-dir", required_argument, nullptr, PreludeDir }, | 
|---|
| 631 | { "statistics", required_argument, nullptr, 'S' }, | 
|---|
| 632 | { "tree", no_argument, nullptr, 't' }, | 
|---|
| 633 | { "", no_argument, nullptr, 0 },                                        // -w | 
|---|
| 634 | { "", no_argument, nullptr, 0 },                                        // -W | 
|---|
| 635 | { "", no_argument, nullptr, 0 },                                        // -D | 
|---|
| 636 | { nullptr, 0, nullptr, 0 } | 
|---|
| 637 | }; // long_opts | 
|---|
| 638 |  | 
|---|
| 639 | static const char * description[] = { | 
|---|
| 640 | "diagnostic color: never, always, auto",                        // -c | 
|---|
| 641 | "wait for gdb to attach",                                                       // -g | 
|---|
| 642 | "print translator help message",                                        // -h | 
|---|
| 643 | "generate libcfa.c",                                                            // -l | 
|---|
| 644 | "generate line marks",                                                          // -L | 
|---|
| 645 | "do not replace main",                                                          // -m | 
|---|
| 646 | "do not generate line marks",                                           // -N | 
|---|
| 647 | "do not read prelude",                                                          // -n | 
|---|
| 648 | "do not generate prelude prototypes => prelude not printed", // -p | 
|---|
| 649 | "only print deterministic output",                  // -d | 
|---|
| 650 | "Use the old-ast",                                                                      // -O | 
|---|
| 651 | "Use the new-ast",                                                                      // -A | 
|---|
| 652 | "print",                                                                                        // -P | 
|---|
| 653 | "<directory> prelude directory for debug/nodebug",      // no flag | 
|---|
| 654 | "<option-list> enable profiling information: counters, heap, time, all, none", // -S | 
|---|
| 655 | "building cfa standard lib",                                            // -t | 
|---|
| 656 | "",                                                                                                     // -w | 
|---|
| 657 | "",                                                                                                     // -W | 
|---|
| 658 | "",                                                                                                     // -D | 
|---|
| 659 | }; // description | 
|---|
| 660 |  | 
|---|
| 661 | static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" ); | 
|---|
| 662 |  | 
|---|
| 663 | static struct Printopts { | 
|---|
| 664 | const char * name; | 
|---|
| 665 | int & flag; | 
|---|
| 666 | int val; | 
|---|
| 667 | const char * descript; | 
|---|
| 668 | } printopts[] = { | 
|---|
| 669 | { "ascodegen", codegenp, true, "print AST as codegen rather than AST" }, | 
|---|
| 670 | { "asterr", errorp, true, "print AST on error" }, | 
|---|
| 671 | { "declstats", declstatsp, true, "code property statistics" }, | 
|---|
| 672 | { "parse", yydebug, true, "yacc (parsing) debug information" }, | 
|---|
| 673 | { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" }, | 
|---|
| 674 | { "rproto", resolvprotop, true, "resolver-proto instance" }, | 
|---|
| 675 | { "rsteps", resolvep, true, "print resolver steps" }, | 
|---|
| 676 | { "tree", parsep, true, "print parse tree" }, | 
|---|
| 677 | // code dumps | 
|---|
| 678 | { "ast", astp, true, "print AST after parsing" }, | 
|---|
| 679 | { "exdecl", exdeclp, true, "print AST after translating exception decls" }, | 
|---|
| 680 | { "symevt", symtabp, true, "print AST after symbol table events" }, | 
|---|
| 681 | { "altexpr", expraltp, true, "print alternatives for expressions" }, | 
|---|
| 682 | { "astdecl", validp, true, "print AST after declaration validation pass" }, | 
|---|
| 683 | { "resolver", bresolvep, true, "print AST before resolver step" }, | 
|---|
| 684 | { "astexpr", exprp, true, "print AST after expression analysis" }, | 
|---|
| 685 | { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" }, | 
|---|
| 686 | { "tuple", tuplep, true, "print AST after tuple expansion" }, | 
|---|
| 687 | { "astgen", genericsp, true, "print AST after instantiate generics" }, | 
|---|
| 688 | { "box", bboxp, true, "print AST before box step" }, | 
|---|
| 689 | { "codegen", bcodegenp, true, "print AST before code generation" }, | 
|---|
| 690 | }; | 
|---|
| 691 | enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) }; | 
|---|
| 692 |  | 
|---|
| 693 | static void usage( char * argv[] ) { | 
|---|
| 694 | cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl; | 
|---|
| 695 | int i = 0, j = 1;                                                                       // j skips starting colon | 
|---|
| 696 | for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) { | 
|---|
| 697 | if ( long_opts[i].name[0] != '\0' ) {                   // hidden option, internal usage only | 
|---|
| 698 | if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag | 
|---|
| 699 | cout << "  -" << optstring[j] << ","; | 
|---|
| 700 | } else {                                                                        // no flag | 
|---|
| 701 | j -= 1;                                                                 // compensate | 
|---|
| 702 | cout << "     "; | 
|---|
| 703 | } // if | 
|---|
| 704 | cout << " --" << left << setw(12) << long_opts[i].name << "  "; | 
|---|
| 705 | if ( strcmp( long_opts[i].name, "print" ) == 0 ) { | 
|---|
| 706 | cout << "one of: " << endl; | 
|---|
| 707 | for ( int i = 0; i < printoptsSize; i += 1 ) { | 
|---|
| 708 | cout << setw(10) << " " << left << setw(10) << printopts[i].name << "  " << printopts[i].descript << endl; | 
|---|
| 709 | } // for | 
|---|
| 710 | } else { | 
|---|
| 711 | cout << description[i] << endl; | 
|---|
| 712 | } // if | 
|---|
| 713 | } // if | 
|---|
| 714 | if ( optstring[j + 1] == ':' ) j += 1; | 
|---|
| 715 | } // for | 
|---|
| 716 | if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" ); | 
|---|
| 717 | exit( EXIT_FAILURE ); | 
|---|
| 718 | } // usage | 
|---|
| 719 |  | 
|---|
| 720 | static void parse_cmdline( int argc, char * argv[] ) { | 
|---|
| 721 | opterr = 0;                                                                                     // (global) prevent getopt from printing error messages | 
|---|
| 722 |  | 
|---|
| 723 | bool Wsuppress = false, Werror = false; | 
|---|
| 724 | int c; | 
|---|
| 725 | while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) { | 
|---|
| 726 | switch ( c ) { | 
|---|
| 727 | case 'c':                                                                             // diagnostic colors | 
|---|
| 728 | if ( strcmp( optarg, "always" ) == 0 ) { | 
|---|
| 729 | ErrorHelpers::colors = ErrorHelpers::Colors::Always; | 
|---|
| 730 | } else if ( strcmp( optarg, "never" ) == 0 ) { | 
|---|
| 731 | ErrorHelpers::colors = ErrorHelpers::Colors::Never; | 
|---|
| 732 | } else if ( strcmp( optarg, "auto" ) == 0 ) { | 
|---|
| 733 | ErrorHelpers::colors = ErrorHelpers::Colors::Auto; | 
|---|
| 734 | } // if | 
|---|
| 735 | break; | 
|---|
| 736 | case 'h':                                                                             // help message | 
|---|
| 737 | usage( argv );                                                          // no return | 
|---|
| 738 | break; | 
|---|
| 739 | case 'l':                                                                             // generate libcfa.c | 
|---|
| 740 | libcfap = true; | 
|---|
| 741 | break; | 
|---|
| 742 | case 'L':                                                                             // generate line marks | 
|---|
| 743 | linemarks = true; | 
|---|
| 744 | break; | 
|---|
| 745 | case 'm':                                                                             // do not replace main | 
|---|
| 746 | nomainp = true; | 
|---|
| 747 | break; | 
|---|
| 748 | case 'N':                                                                             // do not generate line marks | 
|---|
| 749 | linemarks = false; | 
|---|
| 750 | break; | 
|---|
| 751 | case 'n':                                                                             // do not read prelude | 
|---|
| 752 | nopreludep = true; | 
|---|
| 753 | break; | 
|---|
| 754 | case 'p':                                                                             // generate prototypes for prelude functions | 
|---|
| 755 | genproto = true; | 
|---|
| 756 | break; | 
|---|
| 757 | case 'd':                                     // don't print non-deterministic output | 
|---|
| 758 | deterministic_output = true; | 
|---|
| 759 | break; | 
|---|
| 760 | case 'O':                                     // don't print non-deterministic output | 
|---|
| 761 | useNewAST = false; | 
|---|
| 762 | break; | 
|---|
| 763 | case 'A':                                     // don't print non-deterministic output | 
|---|
| 764 | useNewAST = true; | 
|---|
| 765 | break; | 
|---|
| 766 | case 'P':                                                                             // print options | 
|---|
| 767 | for ( int i = 0;; i += 1 ) { | 
|---|
| 768 | if ( i == printoptsSize ) { | 
|---|
| 769 | cout << "Unknown --print option " << optarg << endl; | 
|---|
| 770 | goto Default; | 
|---|
| 771 | } // if | 
|---|
| 772 | if ( strcmp( optarg, printopts[i].name ) == 0 ) { | 
|---|
| 773 | printopts[i].flag = printopts[i].val; | 
|---|
| 774 | break; | 
|---|
| 775 | } // if | 
|---|
| 776 | } // for | 
|---|
| 777 | break; | 
|---|
| 778 | case PreludeDir:                                                              // prelude directory for debug/nodebug, hidden | 
|---|
| 779 | PreludeDirector = optarg; | 
|---|
| 780 | break; | 
|---|
| 781 | case 'S':                                                                             // enable profiling information, argument comma separated list of names | 
|---|
| 782 | Stats::parse_params( optarg ); | 
|---|
| 783 | break; | 
|---|
| 784 | case 't':                                                                             // building cfa stdlib | 
|---|
| 785 | treep = true; | 
|---|
| 786 | break; | 
|---|
| 787 | case 'g':                                                                             // wait for gdb | 
|---|
| 788 | waiting_for_gdb = true; | 
|---|
| 789 | break; | 
|---|
| 790 | case 'w':                                                                             // suppress all warnings, hidden | 
|---|
| 791 | Wsuppress = true; | 
|---|
| 792 | break; | 
|---|
| 793 | case 'W':                                                                             // coordinate gcc -W with CFA, hidden | 
|---|
| 794 | if ( strcmp( optarg, "all" ) == 0 ) { | 
|---|
| 795 | SemanticWarning_EnableAll(); | 
|---|
| 796 | } else if ( strcmp( optarg, "error" ) == 0 ) { | 
|---|
| 797 | Werror = true; | 
|---|
| 798 | } else { | 
|---|
| 799 | char * warning = optarg; | 
|---|
| 800 | Severity s; | 
|---|
| 801 | if ( strncmp( optarg, "no-", 3 ) == 0 ) { | 
|---|
| 802 | warning += 3; | 
|---|
| 803 | s = Severity::Suppress; | 
|---|
| 804 | } else { | 
|---|
| 805 | s = Severity::Warn; | 
|---|
| 806 | } // if | 
|---|
| 807 | SemanticWarning_Set( warning, s ); | 
|---|
| 808 | } // if | 
|---|
| 809 | break; | 
|---|
| 810 | case 'D':                                                                             // ignore -Dxxx, forwarded by cpp, hidden | 
|---|
| 811 | break; | 
|---|
| 812 | case '?':                                                                             // unknown option | 
|---|
| 813 | if ( optopt ) {                                                         // short option ? | 
|---|
| 814 | cout << "Unknown option -" << (char)optopt << endl; | 
|---|
| 815 | } else { | 
|---|
| 816 | cout << "Unknown option " << argv[optind - 1] << endl; | 
|---|
| 817 | } // if | 
|---|
| 818 | goto Default; | 
|---|
| 819 | case ':':                                                                             // missing option | 
|---|
| 820 | if ( optopt ) {                                                         // short option ? | 
|---|
| 821 | cout << "Missing option for -" << (char)optopt << endl; | 
|---|
| 822 | } else { | 
|---|
| 823 | cout << "Missing option for " << argv[optind - 1] << endl; | 
|---|
| 824 | } // if | 
|---|
| 825 | goto Default; | 
|---|
| 826 | Default: | 
|---|
| 827 | default: | 
|---|
| 828 | usage( argv );                                                          // no return | 
|---|
| 829 | } // switch | 
|---|
| 830 | } // while | 
|---|
| 831 |  | 
|---|
| 832 | if ( Werror ) { | 
|---|
| 833 | SemanticWarning_WarningAsError(); | 
|---|
| 834 | } // if | 
|---|
| 835 | if ( Wsuppress ) { | 
|---|
| 836 | SemanticWarning_SuppressAll(); | 
|---|
| 837 | } // if | 
|---|
| 838 | // for ( const auto w : WarningFormats ) { | 
|---|
| 839 | //      cout << w.name << ' ' << (int)w.severity << endl; | 
|---|
| 840 | // } // for | 
|---|
| 841 | } // parse_cmdline | 
|---|
| 842 |  | 
|---|
| 843 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) { | 
|---|
| 844 | extern int yyparse( void ); | 
|---|
| 845 | extern FILE * yyin; | 
|---|
| 846 | extern int yylineno; | 
|---|
| 847 |  | 
|---|
| 848 | ::linkage = linkage;                                                            // set globals | 
|---|
| 849 | yyin = input; | 
|---|
| 850 | yylineno = 1; | 
|---|
| 851 | int parseStatus = yyparse(); | 
|---|
| 852 |  | 
|---|
| 853 | fclose( input ); | 
|---|
| 854 | if ( shouldExit || parseStatus != 0 ) { | 
|---|
| 855 | exit( parseStatus ); | 
|---|
| 856 | } // if | 
|---|
| 857 | } // parse | 
|---|
| 858 |  | 
|---|
| 859 | static bool notPrelude( Declaration * decl ) { | 
|---|
| 860 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); | 
|---|
| 861 | } // notPrelude | 
|---|
| 862 |  | 
|---|
| 863 | static void dump( list< Declaration * > & translationUnit, ostream & out ) { | 
|---|
| 864 | list< Declaration * > decls; | 
|---|
| 865 |  | 
|---|
| 866 | if ( genproto ) { | 
|---|
| 867 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude ); | 
|---|
| 868 | } else { | 
|---|
| 869 | decls = translationUnit; | 
|---|
| 870 | } // if | 
|---|
| 871 |  | 
|---|
| 872 | // depending on commandline options, either generate code or dump the AST | 
|---|
| 873 | if ( codegenp ) { | 
|---|
| 874 | CodeGen::generate( decls, out, ! genproto, prettycodegenp ); | 
|---|
| 875 | } else { | 
|---|
| 876 | printAll( decls, out ); | 
|---|
| 877 | } // if | 
|---|
| 878 | deleteAll( translationUnit ); | 
|---|
| 879 | } // dump | 
|---|
| 880 |  | 
|---|
| 881 | static void dump( ast::TranslationUnit && transUnit, ostream & out ) { | 
|---|
| 882 | std::list< Declaration * > translationUnit = convert( move( transUnit ) ); | 
|---|
| 883 | dump( translationUnit, out ); | 
|---|
| 884 | } | 
|---|
| 885 |  | 
|---|
| 886 | // Local Variables: // | 
|---|
| 887 | // tab-width: 4 // | 
|---|
| 888 | // mode: c++ // | 
|---|
| 889 | // compile-command: "make install" // | 
|---|
| 890 | // End:  // | 
|---|