[b87a5ed] | 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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[71f4e4f] | 7 | // main.cc -- |
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[b87a5ed] | 8 | // |
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[3e96559] | 9 | // Author : Peter Buhr and Rob Schluntz |
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[b87a5ed] | 10 | // Created On : Fri May 15 23:12:02 2015 |
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[4a8f150] | 11 | // Last Modified By : Andrew Beach |
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[f57faf6f] | 12 | // Last Modified On : Mon Dec 7 15:29:00 2020 |
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| 13 | // Update Count : 639 |
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[b87a5ed] | 14 | // |
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| 15 | |
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[bf2438c] | 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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[08fc48f] | 19 | #include <cassert> // for assertf |
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[bf2438c] | 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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[bffcd66] | 22 | #include <csignal> // for signal, SIGABRT, SIGSEGV |
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[bf2438c] | 23 | #include <cstring> // for index |
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[be9288a] | 24 | #include <fstream> // for ofstream |
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[bf2438c] | 25 | #include <iostream> // for operator<<, basic_ostream |
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[62ce290] | 26 | #include <iomanip> |
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[bf2438c] | 27 | #include <iterator> // for back_inserter |
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| 28 | #include <list> // for list |
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[08fc48f] | 29 | #include <string> // for char_traits, operator<< |
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[e6955b1] | 30 | |
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[bffcd66] | 31 | using namespace std; |
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| 32 | |
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[9ea38de] | 33 | #include "AST/Convert.hpp" |
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[7f38b67a] | 34 | #include "CompilationState.h" |
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[bf2438c] | 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 "CodeTools/DeclStats.h" // for printDeclStats |
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[3b3491b] | 40 | #include "CodeTools/ResolvProtoDump.h" // for dumpAsResolvProto |
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[bf2438c] | 41 | #include "CodeTools/TrackLoc.h" // for fillLocations |
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[f57faf6f] | 42 | #include "Common/CodeLocationTools.hpp" // for forceFillCodeLocations |
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[bf2438c] | 43 | #include "Common/CompilerError.h" // for CompilerError |
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[7abee38] | 44 | #include "Common/Stats.h" |
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[cbbd5b48] | 45 | #include "Common/PassVisitor.h" |
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[bf2438c] | 46 | #include "Common/SemanticError.h" // for SemanticError |
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| 47 | #include "Common/UnimplementedError.h" // for UnimplementedError |
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| 48 | #include "Common/utility.h" // for deleteAll, filter, printAll |
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[9f5ecf5] | 49 | #include "Concurrency/Waitfor.h" // for generateWaitfor |
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[bf2438c] | 50 | #include "ControlStruct/ExceptTranslate.h" // for translateEHM |
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| 51 | #include "ControlStruct/Mutate.h" // for mutate |
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| 52 | #include "GenPoly/Box.h" // for box |
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| 53 | #include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric |
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| 54 | #include "GenPoly/Lvalue.h" // for convertLvalue |
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| 55 | #include "GenPoly/Specialize.h" // for convertSpecializations |
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| 56 | #include "InitTweak/FixInit.h" // for fix |
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| 57 | #include "InitTweak/GenInit.h" // for genInit |
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| 58 | #include "MakeLibCfa.h" // for makeLibCfa |
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| 59 | #include "Parser/ParseNode.h" // for DeclarationNode, buildList |
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| 60 | #include "Parser/TypedefTable.h" // for TypedefTable |
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| 61 | #include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter |
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| 62 | #include "ResolvExpr/Resolver.h" // for resolve |
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| 63 | #include "SymTab/Validate.h" // for validate |
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[bffcd66] | 64 | #include "SynTree/LinkageSpec.h" // for Spec, Cforall, Intrinsic |
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[bf2438c] | 65 | #include "SynTree/Declaration.h" // for Declaration |
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| 66 | #include "SynTree/Visitor.h" // for acceptAll |
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| 67 | #include "Tuples/Tuples.h" // for expandMemberTuples, expan... |
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[a5f0529] | 68 | #include "Virtual/ExpandCasts.h" // for expandCasts |
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[51b7345] | 69 | |
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[4615ac8] | 70 | |
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[3e96559] | 71 | static void NewPass( const char * const name ) { |
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| 72 | Stats::Heap::newPass( name ); |
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[1cb7fab2] | 73 | using namespace Stats::Counters; |
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[b8665e3] | 74 | { |
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[3e96559] | 75 | static auto group = build<CounterGroup>( "Pass Visitor" ); |
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| 76 | auto pass = build<CounterGroup>( name, group ); |
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[b8665e3] | 77 | pass_visitor_stats.depth = 0; |
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[3e96559] | 78 | pass_visitor_stats.avg = build<AverageCounter<double>>( "Average Depth", pass ); |
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| 79 | pass_visitor_stats.max = build<MaxCounter<double>>( "Max Depth", pass ); |
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[b8665e3] | 80 | } |
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| 81 | { |
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[3e96559] | 82 | static auto group = build<CounterGroup>( "Syntax Node" ); |
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| 83 | auto pass = build<CounterGroup>( name, group ); |
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| 84 | BaseSyntaxNode::new_nodes = build<SimpleCounter>( "Allocs", pass ); |
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[b8665e3] | 85 | } |
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[675716e] | 86 | } |
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| 87 | |
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[3e96559] | 88 | #define PASS( name, pass ) \ |
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[ecaeac6e] | 89 | if ( errorp ) { cerr << name << endl; } \ |
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[675716e] | 90 | NewPass(name); \ |
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[4f97937] | 91 | Stats::Time::StartBlock(name); \ |
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| 92 | pass; \ |
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| 93 | Stats::Time::StopBlock(); |
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[0da3e2c] | 94 | |
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[8b7ee09] | 95 | LinkageSpec::Spec linkage = LinkageSpec::Cforall; |
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[0da3e2c] | 96 | TypedefTable typedefTable; |
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[cbaee0d] | 97 | DeclarationNode * parseTree = nullptr; // program parse tree |
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[81419b5] | 98 | |
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[ef22ad6] | 99 | static bool waiting_for_gdb = false; // flag to set cfa-cpp to wait for gdb on start |
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[dee1f89] | 100 | |
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[bffcd66] | 101 | static string PreludeDirector = ""; |
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[4dcaed2] | 102 | |
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[e0bd0f9] | 103 | static void parse_cmdline( int argc, char *argv[] ); |
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[8b7ee09] | 104 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false ); |
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[e6955b1] | 105 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout ); |
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| 106 | |
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[0afffee] | 107 | static void backtrace( int start ) { // skip first N stack frames |
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[74330e7] | 108 | enum { Frames = 50, }; // maximum number of stack frames |
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[e6955b1] | 109 | void * array[Frames]; |
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[74330e7] | 110 | size_t size = ::backtrace( array, Frames ); |
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[0afffee] | 111 | char ** messages = ::backtrace_symbols( array, size ); // does not demangle names |
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| 112 | |
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| 113 | *index( messages[0], '(' ) = '\0'; // find executable name |
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| 114 | cerr << "Stack back trace for: " << messages[0] << endl; |
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[e6955b1] | 115 | |
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[b542bfb] | 116 | // skip last 2 stack frames after main |
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[74330e7] | 117 | for ( unsigned int i = start; i < size - 2 && messages != nullptr; i += 1 ) { |
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[e6955b1] | 118 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr; |
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[7006ba5] | 119 | |
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| 120 | for ( char * p = messages[i]; *p; p += 1 ) { // find parantheses and +offset |
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[0afffee] | 121 | if ( *p == '(' ) { |
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[46f6134] | 122 | mangled_name = p; |
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[0afffee] | 123 | } else if ( *p == '+' ) { |
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[e6955b1] | 124 | offset_begin = p; |
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[0afffee] | 125 | } else if ( *p == ')' ) { |
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[e6955b1] | 126 | offset_end = p; |
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| 127 | break; |
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| 128 | } // if |
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| 129 | } // for |
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| 130 | |
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| 131 | // if line contains symbol, attempt to demangle |
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[b542bfb] | 132 | int frameNo = i - start; |
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[e6955b1] | 133 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) { |
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[0afffee] | 134 | *mangled_name++ = '\0'; // delimit strings |
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[e6955b1] | 135 | *offset_begin++ = '\0'; |
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| 136 | *offset_end++ = '\0'; |
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| 137 | |
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[0afffee] | 138 | int status; |
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[e6955b1] | 139 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status ); |
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[0afffee] | 140 | // bug in __cxa_demangle for single-character lower-case non-mangled names |
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[e6955b1] | 141 | if ( status == 0 ) { // demangling successful ? |
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[b542bfb] | 142 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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[e6955b1] | 143 | << real_name << "+" << offset_begin << offset_end << endl; |
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| 144 | } else { // otherwise, output mangled name |
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[b542bfb] | 145 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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[0afffee] | 146 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl; |
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[e6955b1] | 147 | } // if |
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[0afffee] | 148 | |
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[e6955b1] | 149 | free( real_name ); |
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| 150 | } else { // otherwise, print the whole line |
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[b542bfb] | 151 | cerr << "(" << frameNo << ") " << messages[i] << endl; |
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[e6955b1] | 152 | } // if |
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| 153 | } // for |
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[b542bfb] | 154 | |
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[e6955b1] | 155 | free( messages ); |
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[b542bfb] | 156 | } // backtrace |
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| 157 | |
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[bffcd66] | 158 | #define SIGPARMS int sig __attribute__(( unused )), siginfo_t * sfp __attribute__(( unused )), ucontext_t * cxt __attribute__(( unused )) |
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| 159 | |
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| 160 | static void Signal( int sig, void (*handler)(SIGPARMS), int flags ) { |
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| 161 | struct sigaction act; |
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| 162 | |
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| 163 | act.sa_sigaction = (void (*)(int, siginfo_t *, void *))handler; |
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| 164 | act.sa_flags = flags; |
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| 165 | |
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| 166 | if ( sigaction( sig, &act, nullptr ) == -1 ) { |
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| 167 | cerr << "*CFA runtime error* problem installing signal handler, error(" << errno << ") " << strerror( errno ) << endl; |
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| 168 | _exit( EXIT_FAILURE ); |
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| 169 | } // if |
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| 170 | } // Signal |
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| 171 | |
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| 172 | static void sigSegvBusHandler( SIGPARMS ) { |
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| 173 | if ( sfp->si_addr == nullptr ) { |
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| 174 | cerr << "Null pointer (nullptr) dereference." << endl; |
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| 175 | } else { |
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| 176 | cerr << (sig == SIGSEGV ? "Segment fault" : "Bus error") << " at memory location " << sfp->si_addr << "." << endl |
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| 177 | << "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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| 178 | } // if |
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[b542bfb] | 179 | backtrace( 2 ); // skip first 2 stack frames |
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[3e96559] | 180 | abort(); // cause core dump for debugging |
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[e6955b1] | 181 | } // sigSegvBusHandler |
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[0da3e2c] | 182 | |
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[74330e7] | 183 | static void sigFpeHandler( SIGPARMS ) { |
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| 184 | const char * msg; |
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| 185 | |
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| 186 | switch ( sfp->si_code ) { |
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| 187 | case FPE_INTDIV: case FPE_FLTDIV: msg = "divide by zero"; break; |
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| 188 | case FPE_FLTOVF: msg = "overflow"; break; |
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| 189 | case FPE_FLTUND: msg = "underflow"; break; |
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| 190 | case FPE_FLTRES: msg = "inexact result"; break; |
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| 191 | case FPE_FLTINV: msg = "invalid operation"; break; |
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| 192 | default: msg = "unknown"; |
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| 193 | } // choose |
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| 194 | cerr << "Computation error " << msg << " at location " << sfp->si_addr << endl |
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| 195 | << "Possible cause is constant-expression evaluation invalid." << endl; |
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| 196 | backtrace( 2 ); // skip first 2 stack frames |
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| 197 | abort(); // cause core dump for debugging |
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| 198 | } // sigFpeHandler |
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| 199 | |
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[bffcd66] | 200 | static void sigAbortHandler( SIGPARMS ) { |
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[b542bfb] | 201 | backtrace( 6 ); // skip first 6 stack frames |
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[bffcd66] | 202 | Signal( SIGABRT, (void (*)(SIGPARMS))SIG_DFL, SA_SIGINFO ); // reset default signal handler |
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[9be45a2] | 203 | raise( SIGABRT ); // reraise SIGABRT |
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[b542bfb] | 204 | } // sigAbortHandler |
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| 205 | |
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[cbaee0d] | 206 | int main( int argc, char * argv[] ) { |
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[3b8e52c] | 207 | FILE * input; // use FILE rather than istream because yyin is FILE |
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[d08beee] | 208 | ostream * output = & cout; |
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[e6955b1] | 209 | list< Declaration * > translationUnit; |
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| 210 | |
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[bffcd66] | 211 | Signal( SIGSEGV, sigSegvBusHandler, SA_SIGINFO ); |
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| 212 | Signal( SIGBUS, sigSegvBusHandler, SA_SIGINFO ); |
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[74330e7] | 213 | Signal( SIGFPE, sigFpeHandler, SA_SIGINFO ); |
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[bffcd66] | 214 | Signal( SIGABRT, sigAbortHandler, SA_SIGINFO ); |
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[b87a5ed] | 215 | |
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[bffcd66] | 216 | // cout << "main" << endl; |
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[44bca7f] | 217 | // for ( int i = 0; i < argc; i += 1 ) { |
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[bffcd66] | 218 | // cout << '\t' << argv[i] << endl; |
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[44bca7f] | 219 | // } // for |
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| 220 | |
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[e0bd0f9] | 221 | parse_cmdline( argc, argv ); // process command-line arguments |
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[13de47bc] | 222 | CodeGen::FixMain::setReplaceMain( !nomainp ); |
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[b87a5ed] | 223 | |
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[ef22ad6] | 224 | if ( waiting_for_gdb ) { |
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[bffcd66] | 225 | cerr << "Waiting for gdb" << endl; |
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| 226 | cerr << "run :" << endl; |
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| 227 | cerr << " gdb attach " << getpid() << endl; |
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[dee1f89] | 228 | raise(SIGSTOP); |
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[ef22ad6] | 229 | } // if |
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[dee1f89] | 230 | |
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[b87a5ed] | 231 | try { |
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[81419b5] | 232 | // choose to read the program from a file or stdin |
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[3b8e52c] | 233 | if ( optind < argc ) { // any commands after the flags ? => input file name |
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[b87a5ed] | 234 | input = fopen( argv[ optind ], "r" ); |
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[e0bd0f9] | 235 | assertf( input, "cannot open %s because %s\n", argv[ optind ], strerror( errno ) ); |
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[b87a5ed] | 236 | optind += 1; |
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[3b8e52c] | 237 | } else { // no input file name |
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[b87a5ed] | 238 | input = stdin; |
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| 239 | } // if |
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| 240 | |
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[79eaeb7] | 241 | Stats::Time::StartGlobal(); |
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[3c0d4cd] | 242 | NewPass("Parse"); |
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| 243 | Stats::Time::StartBlock("Parse"); |
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[675716e] | 244 | |
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[159c62e] | 245 | // read in the builtins, extras, and the prelude |
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[de62360d] | 246 | if ( ! nopreludep ) { // include gcc builtins |
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[faf8857] | 247 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. |
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[807ce84] | 248 | |
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[37fe352] | 249 | assertf( !PreludeDirector.empty(), "Can't find prelude without option --prelude-dir must be used." ); |
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[4dcaed2] | 250 | |
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[807ce84] | 251 | // Read to gcc builtins, if not generating the cfa library |
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[37fe352] | 252 | FILE * gcc_builtins = fopen( (PreludeDirector + "/gcc-builtins.cf").c_str(), "r" ); |
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[6ce3ae9] | 253 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" ); |
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| 254 | parse( gcc_builtins, LinkageSpec::Compiler ); |
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[81419b5] | 255 | |
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[159c62e] | 256 | // read the extra prelude in, if not generating the cfa library |
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[37fe352] | 257 | FILE * extras = fopen( (PreludeDirector + "/extras.cf").c_str(), "r" ); |
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[3b8e52c] | 258 | assertf( extras, "cannot open extras.cf\n" ); |
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[f0994a1] | 259 | parse( extras, LinkageSpec::BuiltinC ); |
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[159c62e] | 260 | |
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[81419b5] | 261 | if ( ! libcfap ) { |
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[faf8857] | 262 | // read the prelude in, if not generating the cfa library |
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[e523b07] | 263 | FILE * prelude = fopen( (PreludeDirector + "/prelude.cfa").c_str(), "r" ); |
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| 264 | assertf( prelude, "cannot open prelude.cfa\n" ); |
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[35304009] | 265 | parse( prelude, LinkageSpec::Intrinsic ); |
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[fa4805f] | 266 | |
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| 267 | // Read to cfa builtins, if not generating the cfa library |
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[37fe352] | 268 | FILE * builtins = fopen( (PreludeDirector + "/builtins.cf").c_str(), "r" ); |
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[fa4805f] | 269 | assertf( builtins, "cannot open builtins.cf\n" ); |
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[54d714e] | 270 | parse( builtins, LinkageSpec::BuiltinCFA ); |
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[b87a5ed] | 271 | } // if |
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| 272 | } // if |
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[81419b5] | 273 | |
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[926af74] | 274 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug ); |
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[71f4e4f] | 275 | |
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[b87a5ed] | 276 | if ( parsep ) { |
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[e6955b1] | 277 | parseTree->printList( cout ); |
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[0da3e2c] | 278 | delete parseTree; |
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[3e96559] | 279 | return EXIT_SUCCESS; |
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[b87a5ed] | 280 | } // if |
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| 281 | |
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[0da3e2c] | 282 | buildList( parseTree, translationUnit ); |
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| 283 | delete parseTree; |
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[cbaee0d] | 284 | parseTree = nullptr; |
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[b87a5ed] | 285 | |
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| 286 | if ( astp ) { |
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[1ab4ce2] | 287 | dump( translationUnit ); |
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[3e96559] | 288 | return EXIT_SUCCESS; |
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[b87a5ed] | 289 | } // if |
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| 290 | |
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[036dd5f] | 291 | // Temporary: fill locations after parsing so that every node has a location, for early error messages. |
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| 292 | // Eventually we should pass the locations from the parser to every node, but this quick and dirty solution |
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| 293 | // works okay for now. |
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| 294 | CodeTools::fillLocations( translationUnit ); |
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[3c0d4cd] | 295 | Stats::Time::StopBlock(); |
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[036dd5f] | 296 | |
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[839ccbb] | 297 | // add the assignment statement after the initialization of a type parameter |
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[675716e] | 298 | PASS( "Validate", SymTab::validate( translationUnit, symtabp ) ); |
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[81419b5] | 299 | if ( symtabp ) { |
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[46f6134] | 300 | deleteAll( translationUnit ); |
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[3e96559] | 301 | return EXIT_SUCCESS; |
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[b87a5ed] | 302 | } // if |
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| 303 | |
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[81419b5] | 304 | if ( expraltp ) { |
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[bff09c8] | 305 | PassVisitor<ResolvExpr::AlternativePrinter> printer( cout ); |
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[81419b5] | 306 | acceptAll( translationUnit, printer ); |
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[3e96559] | 307 | return EXIT_SUCCESS; |
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[b87a5ed] | 308 | } // if |
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| 309 | |
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| 310 | if ( validp ) { |
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[1ab4ce2] | 311 | dump( translationUnit ); |
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[3e96559] | 312 | return EXIT_SUCCESS; |
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[b87a5ed] | 313 | } // if |
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| 314 | |
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[046a890] | 315 | PASS( "Translate Throws", ControlStruct::translateThrows( translationUnit ) ); |
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[675716e] | 316 | PASS( "Fix Labels", ControlStruct::fixLabels( translationUnit ) ); |
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| 317 | PASS( "Fix Names", CodeGen::fixNames( translationUnit ) ); |
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| 318 | PASS( "Gen Init", InitTweak::genInit( translationUnit ) ); |
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| 319 | PASS( "Expand Member Tuples" , Tuples::expandMemberTuples( translationUnit ) ); |
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[81419b5] | 320 | if ( libcfap ) { |
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| 321 | // generate the bodies of cfa library functions |
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| 322 | LibCfa::makeLibCfa( translationUnit ); |
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[b87a5ed] | 323 | } // if |
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| 324 | |
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[fa2de95] | 325 | if ( declstatsp ) { |
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| 326 | CodeTools::printDeclStats( translationUnit ); |
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| 327 | deleteAll( translationUnit ); |
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[3e96559] | 328 | return EXIT_SUCCESS; |
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| 329 | } // if |
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[fa2de95] | 330 | |
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[de62360d] | 331 | if ( bresolvep ) { |
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[1ab4ce2] | 332 | dump( translationUnit ); |
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[3e96559] | 333 | return EXIT_SUCCESS; |
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[de62360d] | 334 | } // if |
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| 335 | |
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[76b378d] | 336 | CodeTools::fillLocations( translationUnit ); |
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| 337 | |
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[3b3491b] | 338 | if ( resolvprotop ) { |
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| 339 | CodeTools::dumpAsResolvProto( translationUnit ); |
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[3e96559] | 340 | return EXIT_SUCCESS; |
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| 341 | } // if |
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[3b3491b] | 342 | |
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[4a8f150] | 343 | if( useNewAST ) { |
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[3746f777] | 344 | if (Stats::Counters::enabled) { |
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| 345 | ast::pass_visitor_stats.avg = Stats::Counters::build<Stats::Counters::AverageCounter<double>>("Average Depth - New"); |
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| 346 | ast::pass_visitor_stats.max = Stats::Counters::build<Stats::Counters::MaxCounter<double>>("Max depth - New"); |
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| 347 | } |
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[9ea38de] | 348 | auto transUnit = convert( move( translationUnit ) ); |
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| 349 | PASS( "Resolve", ResolvExpr::resolve( transUnit ) ); |
---|
[490fb92e] | 350 | if ( exprp ) { |
---|
| 351 | translationUnit = convert( move( transUnit ) ); |
---|
| 352 | dump( translationUnit ); |
---|
| 353 | return EXIT_SUCCESS; |
---|
| 354 | } // if |
---|
| 355 | |
---|
[f57faf6f] | 356 | forceFillCodeLocations( transUnit ); |
---|
[4a8f150] | 357 | |
---|
[490fb92e] | 358 | PASS( "Fix Init", InitTweak::fix(transUnit, buildingLibrary())); |
---|
[9ea38de] | 359 | translationUnit = convert( move( transUnit ) ); |
---|
[a77257be] | 360 | } else { |
---|
| 361 | PASS( "Resolve", ResolvExpr::resolve( translationUnit ) ); |
---|
[490fb92e] | 362 | if ( exprp ) { |
---|
| 363 | dump( translationUnit ); |
---|
| 364 | return EXIT_SUCCESS; |
---|
| 365 | } |
---|
[4615ac8] | 366 | |
---|
[490fb92e] | 367 | PASS( "Fix Init", InitTweak::fix( translationUnit, buildingLibrary() ) ); |
---|
| 368 | } |
---|
[81419b5] | 369 | |
---|
[71f4e4f] | 370 | // fix ObjectDecl - replaces ConstructorInit nodes |
---|
[ca1c11f] | 371 | if ( ctorinitp ) { |
---|
| 372 | dump ( translationUnit ); |
---|
[3e96559] | 373 | return EXIT_SUCCESS; |
---|
[926af74] | 374 | } // if |
---|
[71f4e4f] | 375 | |
---|
[675716e] | 376 | 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 |
---|
[626dbc10] | 377 | |
---|
[046a890] | 378 | PASS( "Translate Tries" , ControlStruct::translateTries( translationUnit ) ); |
---|
[6edd210] | 379 | |
---|
[675716e] | 380 | PASS( "Gen Waitfor" , Concurrency::generateWaitFor( translationUnit ) ); |
---|
[307a732] | 381 | |
---|
[675716e] | 382 | PASS( "Convert Specializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded |
---|
[9f5ecf5] | 383 | |
---|
[675716e] | 384 | PASS( "Expand Tuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this? |
---|
[626dbc10] | 385 | |
---|
| 386 | if ( tuplep ) { |
---|
| 387 | dump( translationUnit ); |
---|
[3e96559] | 388 | return EXIT_SUCCESS; |
---|
| 389 | } // if |
---|
[141b786] | 390 | |
---|
[675716e] | 391 | PASS( "Virtual Expand Casts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM |
---|
[a5f0529] | 392 | |
---|
[675716e] | 393 | PASS( "Instantiate Generics", GenPoly::instantiateGeneric( translationUnit ) ); |
---|
[53d3ab4b] | 394 | if ( genericsp ) { |
---|
| 395 | dump( translationUnit ); |
---|
[3e96559] | 396 | return EXIT_SUCCESS; |
---|
| 397 | } // if |
---|
[b4f8808] | 398 | |
---|
[675716e] | 399 | PASS( "Convert L-Value", GenPoly::convertLvalue( translationUnit ) ); |
---|
[53d3ab4b] | 400 | |
---|
[fea7ca7] | 401 | if ( bboxp ) { |
---|
| 402 | dump( translationUnit ); |
---|
[3e96559] | 403 | return EXIT_SUCCESS; |
---|
[926af74] | 404 | } // if |
---|
[675716e] | 405 | PASS( "Box", GenPoly::box( translationUnit ) ); |
---|
[81419b5] | 406 | |
---|
[8905f56] | 407 | if ( bcodegenp ) { |
---|
| 408 | dump( translationUnit ); |
---|
[3e96559] | 409 | return EXIT_SUCCESS; |
---|
| 410 | } // if |
---|
[8905f56] | 411 | |
---|
[13de47bc] | 412 | if ( optind < argc ) { // any commands after the flags and input file ? => output file name |
---|
| 413 | output = new ofstream( argv[ optind ] ); |
---|
| 414 | } // if |
---|
[0270824] | 415 | |
---|
[7b15d7a] | 416 | CodeTools::fillLocations( translationUnit ); |
---|
[62ce290] | 417 | PASS( "Code Gen", CodeGen::generate( translationUnit, *output, ! genproto, prettycodegenp, true, linemarks ) ); |
---|
[0270824] | 418 | |
---|
[37fe352] | 419 | CodeGen::FixMain::fix( *output, (PreludeDirector + "/bootloader.c").c_str() ); |
---|
[e6955b1] | 420 | if ( output != &cout ) { |
---|
[b87a5ed] | 421 | delete output; |
---|
| 422 | } // if |
---|
[a16764a6] | 423 | } catch ( SemanticErrorException &e ) { |
---|
[b87a5ed] | 424 | if ( errorp ) { |
---|
[e6955b1] | 425 | cerr << "---AST at error:---" << endl; |
---|
| 426 | dump( translationUnit, cerr ); |
---|
| 427 | cerr << endl << "---End of AST, begin error message:---\n" << endl; |
---|
[926af74] | 428 | } // if |
---|
[d55d7a6] | 429 | e.print(); |
---|
[e6955b1] | 430 | if ( output != &cout ) { |
---|
[b87a5ed] | 431 | delete output; |
---|
| 432 | } // if |
---|
[3e96559] | 433 | return EXIT_FAILURE; |
---|
[b87a5ed] | 434 | } catch ( UnimplementedError &e ) { |
---|
[e6955b1] | 435 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl; |
---|
| 436 | if ( output != &cout ) { |
---|
[b87a5ed] | 437 | delete output; |
---|
| 438 | } // if |
---|
[3e96559] | 439 | return EXIT_FAILURE; |
---|
[b87a5ed] | 440 | } catch ( CompilerError &e ) { |
---|
[e6955b1] | 441 | cerr << "Compiler Error: " << e.get_what() << endl; |
---|
[c850687] | 442 | cerr << "(please report bugs to [REDACTED])" << endl; |
---|
[e6955b1] | 443 | if ( output != &cout ) { |
---|
[b87a5ed] | 444 | delete output; |
---|
| 445 | } // if |
---|
[3e96559] | 446 | return EXIT_FAILURE; |
---|
| 447 | } catch ( ... ) { |
---|
[bffcd66] | 448 | exception_ptr eptr = current_exception(); |
---|
[4990812] | 449 | try { |
---|
| 450 | if (eptr) { |
---|
[bffcd66] | 451 | rethrow_exception(eptr); |
---|
[3e96559] | 452 | } else { |
---|
[bffcd66] | 453 | cerr << "Exception Uncaught and Unknown" << endl; |
---|
[3e96559] | 454 | } // if |
---|
[bffcd66] | 455 | } catch(const exception& e) { |
---|
| 456 | cerr << "Uncaught Exception \"" << e.what() << "\"\n"; |
---|
[3e96559] | 457 | } // try |
---|
| 458 | return EXIT_FAILURE; |
---|
| 459 | } // try |
---|
[b87a5ed] | 460 | |
---|
[39786813] | 461 | deleteAll( translationUnit ); |
---|
[1cb7fab2] | 462 | Stats::print(); |
---|
[3e96559] | 463 | return EXIT_SUCCESS; |
---|
[d9a0e76] | 464 | } // main |
---|
[51b7345] | 465 | |
---|
[0da3e2c] | 466 | |
---|
[3e9de01] | 467 | static const char optstring[] = ":c:ghlLmNnpdOAP:S:twW:D:"; |
---|
[3e96559] | 468 | |
---|
[62ce290] | 469 | enum { PreludeDir = 128 }; |
---|
[3e96559] | 470 | static struct option long_opts[] = { |
---|
[1a69a90] | 471 | { "colors", required_argument, nullptr, 'c' }, |
---|
| 472 | { "gdb", no_argument, nullptr, 'g' }, |
---|
[3e96559] | 473 | { "help", no_argument, nullptr, 'h' }, |
---|
| 474 | { "libcfa", no_argument, nullptr, 'l' }, |
---|
[62ce290] | 475 | { "linemarks", no_argument, nullptr, 'L' }, |
---|
[3e96559] | 476 | { "no-main", no_argument, 0, 'm' }, |
---|
[62ce290] | 477 | { "no-linemarks", no_argument, nullptr, 'N' }, |
---|
| 478 | { "no-prelude", no_argument, nullptr, 'n' }, |
---|
[3e96559] | 479 | { "prototypes", no_argument, nullptr, 'p' }, |
---|
[7215000] | 480 | { "deterministic-out", no_argument, nullptr, 'd' }, |
---|
[a77257be] | 481 | { "old-ast", no_argument, nullptr, 'O'}, |
---|
| 482 | { "new-ast", no_argument, nullptr, 'A'}, |
---|
[62ce290] | 483 | { "print", required_argument, nullptr, 'P' }, |
---|
| 484 | { "prelude-dir", required_argument, nullptr, PreludeDir }, |
---|
| 485 | { "statistics", required_argument, nullptr, 'S' }, |
---|
[3e96559] | 486 | { "tree", no_argument, nullptr, 't' }, |
---|
| 487 | { "", no_argument, nullptr, 0 }, // -w |
---|
| 488 | { "", no_argument, nullptr, 0 }, // -W |
---|
| 489 | { "", no_argument, nullptr, 0 }, // -D |
---|
| 490 | { nullptr, 0, nullptr, 0 } |
---|
| 491 | }; // long_opts |
---|
| 492 | |
---|
| 493 | static const char * description[] = { |
---|
[3e9de01] | 494 | "diagnostic color: never, always, or auto.", // -c |
---|
| 495 | "wait for gdb to attach", // -g |
---|
| 496 | "print help message", // -h |
---|
| 497 | "generate libcfa.c", // -l |
---|
| 498 | "generate line marks", // -L |
---|
| 499 | "do not replace main", // -m |
---|
| 500 | "do not generate line marks", // -N |
---|
| 501 | "do not read prelude", // -n |
---|
[62ce290] | 502 | "generate prototypes for prelude functions", // -p |
---|
[3e9de01] | 503 | "only print deterministic output", // -d |
---|
| 504 | "Use the old-ast", // -O |
---|
| 505 | "Use the new-ast", // -A |
---|
| 506 | "print", // -P |
---|
[62ce290] | 507 | "<directory> prelude directory for debug/nodebug", // no flag |
---|
| 508 | "<option-list> enable profiling information:\n counters,heap,time,all,none", // -S |
---|
[3e9de01] | 509 | "building cfa standard lib", // -t |
---|
| 510 | "", // -w |
---|
| 511 | "", // -W |
---|
| 512 | "", // -D |
---|
[3e96559] | 513 | }; // description |
---|
| 514 | |
---|
[0c0f548] | 515 | static_assert( sizeof( long_opts ) / sizeof( long_opts[0] ) - 1 == sizeof( description ) / sizeof( description[0] ), "Long opts and description must match" ); |
---|
[62ce290] | 516 | |
---|
| 517 | static struct Printopts { |
---|
| 518 | const char * name; |
---|
| 519 | int & flag; |
---|
| 520 | int val; |
---|
| 521 | const char * descript; |
---|
| 522 | } printopts[] = { |
---|
[0e464f6] | 523 | { "ascodegen", codegenp, true, "print AST as codegen rather than AST" }, |
---|
| 524 | { "asterr", errorp, true, "print AST on error" }, |
---|
[62ce290] | 525 | { "declstats", declstatsp, true, "code property statistics" }, |
---|
| 526 | { "parse", yydebug, true, "yacc (parsing) debug information" }, |
---|
| 527 | { "pretty", prettycodegenp, true, "prettyprint for ascodegen flag" }, |
---|
| 528 | { "rproto", resolvprotop, true, "resolver-proto instance" }, |
---|
[0e464f6] | 529 | { "rsteps", resolvep, true, "print resolver steps" }, |
---|
| 530 | { "tree", parsep, true, "print parse tree" }, |
---|
| 531 | // code dumps |
---|
| 532 | { "ast", astp, true, "print AST after parsing" }, |
---|
| 533 | { "symevt", symtabp, true, "print AST after symbol table events" }, |
---|
| 534 | { "altexpr", expraltp, true, "print alternatives for expressions" }, |
---|
| 535 | { "astdecl", validp, true, "print AST after declaration validation pass" }, |
---|
| 536 | { "resolver", bresolvep, true, "print AST before resolver step" }, |
---|
| 537 | { "astexpr", exprp, true, "print AST after expression analysis" }, |
---|
| 538 | { "ctordtor", ctorinitp, true, "print AST after ctor/dtor are replaced" }, |
---|
| 539 | { "tuple", tuplep, true, "print AST after tuple expansion" }, |
---|
| 540 | { "astgen", genericsp, true, "print AST after instantiate generics" }, |
---|
| 541 | { "box", bboxp, true, "print AST before box step" }, |
---|
| 542 | { "codegen", bcodegenp, true, "print AST before code generation" }, |
---|
[62ce290] | 543 | }; |
---|
| 544 | enum { printoptsSize = sizeof( printopts ) / sizeof( printopts[0] ) }; |
---|
| 545 | |
---|
[3e96559] | 546 | static void usage( char *argv[] ) { |
---|
[e0bd0f9] | 547 | cout << "Usage: " << argv[0] << " [options] [input-file (default stdin)] [output-file (default stdout)], where options are:" << endl; |
---|
[3e96559] | 548 | int i = 0, j = 1; // j skips starting colon |
---|
| 549 | for ( ; long_opts[i].name != 0 && optstring[j] != '\0'; i += 1, j += 1 ) { |
---|
| 550 | if ( long_opts[i].name[0] != '\0' ) { // hidden option, internal usage only |
---|
[62ce290] | 551 | if ( strcmp( long_opts[i].name, "prelude-dir" ) != 0 ) { // flag |
---|
| 552 | cout << " -" << optstring[j] << ","; |
---|
| 553 | } else { // no flag |
---|
| 554 | j -= 1; // compensate |
---|
| 555 | cout << " "; |
---|
| 556 | } // if |
---|
| 557 | cout << " --" << left << setw(12) << long_opts[i].name << " "; |
---|
| 558 | if ( strcmp( long_opts[i].name, "print" ) == 0 ) { |
---|
| 559 | cout << "one of: " << endl; |
---|
| 560 | for ( int i = 0; i < printoptsSize; i += 1 ) { |
---|
| 561 | cout << setw(10) << " " << left << setw(10) << printopts[i].name << " " << printopts[i].descript << endl; |
---|
| 562 | } // for |
---|
| 563 | } else { |
---|
| 564 | cout << description[i] << endl; |
---|
| 565 | } // if |
---|
[3e96559] | 566 | } // if |
---|
[62ce290] | 567 | if ( optstring[j + 1] == ':' ) j += 1; |
---|
[3e96559] | 568 | } // for |
---|
| 569 | if ( long_opts[i].name != 0 || optstring[j] != '\0' ) assertf( false, "internal error, mismatch of option flags and names\n" ); |
---|
| 570 | exit( EXIT_FAILURE ); |
---|
| 571 | } // usage |
---|
| 572 | |
---|
[e0bd0f9] | 573 | static void parse_cmdline( int argc, char * argv[] ) { |
---|
[0da3e2c] | 574 | opterr = 0; // (global) prevent getopt from printing error messages |
---|
| 575 | |
---|
[c5e5109] | 576 | bool Wsuppress = false, Werror = false; |
---|
[0da3e2c] | 577 | int c; |
---|
[3e96559] | 578 | while ( (c = getopt_long( argc, argv, optstring, long_opts, nullptr )) != -1 ) { |
---|
[0da3e2c] | 579 | switch ( c ) { |
---|
[1a69a90] | 580 | case 'c': // diagnostic colors |
---|
| 581 | if ( strcmp( optarg, "always" ) == 0 ) { |
---|
| 582 | ErrorHelpers::colors = ErrorHelpers::Colors::Always; |
---|
| 583 | } else if ( strcmp( optarg, "never" ) == 0 ) { |
---|
| 584 | ErrorHelpers::colors = ErrorHelpers::Colors::Never; |
---|
| 585 | } else if ( strcmp( optarg, "auto" ) == 0 ) { |
---|
| 586 | ErrorHelpers::colors = ErrorHelpers::Colors::Auto; |
---|
| 587 | } // if |
---|
| 588 | break; |
---|
[3e96559] | 589 | case 'h': // help message |
---|
| 590 | usage( argv ); // no return |
---|
[53d3ab4b] | 591 | break; |
---|
[3e96559] | 592 | case 'l': // generate libcfa.c |
---|
[0da3e2c] | 593 | libcfap = true; |
---|
| 594 | break; |
---|
[62ce290] | 595 | case 'L': // generate line marks |
---|
[6de43b6] | 596 | linemarks = true; |
---|
[c850687] | 597 | break; |
---|
[3e96559] | 598 | case 'm': // do not replace main |
---|
| 599 | nomainp = true; |
---|
[0da3e2c] | 600 | break; |
---|
[62ce290] | 601 | case 'N': // do not generate line marks |
---|
[6de43b6] | 602 | linemarks = false; |
---|
[c59bde6] | 603 | break; |
---|
[62ce290] | 604 | case 'n': // do not read prelude |
---|
[3e96559] | 605 | nopreludep = true; |
---|
[0da3e2c] | 606 | break; |
---|
[62ce290] | 607 | case 'p': // generate prototypes for prelude functions |
---|
| 608 | genproto = true; |
---|
[0da3e2c] | 609 | break; |
---|
[7215000] | 610 | case 'd': // don't print non-deterministic output |
---|
[a77257be] | 611 | deterministic_output = true; |
---|
| 612 | break; |
---|
| 613 | case 'O': // don't print non-deterministic output |
---|
| 614 | useNewAST = false; |
---|
| 615 | break; |
---|
| 616 | case 'A': // don't print non-deterministic output |
---|
| 617 | useNewAST = true; |
---|
[7215000] | 618 | break; |
---|
[62ce290] | 619 | case 'P': // print options |
---|
| 620 | for ( int i = 0;; i += 1 ) { |
---|
| 621 | if ( i == printoptsSize ) { |
---|
| 622 | cout << "Unknown --print option " << optarg << endl; |
---|
| 623 | goto Default; |
---|
| 624 | } // if |
---|
| 625 | if ( strcmp( optarg, printopts[i].name ) == 0 ) { |
---|
| 626 | printopts[i].flag = printopts[i].val; |
---|
| 627 | break; |
---|
| 628 | } // if |
---|
| 629 | } // for |
---|
[0da3e2c] | 630 | break; |
---|
[62ce290] | 631 | case PreludeDir: // prelude directory for debug/nodebug, hidden |
---|
| 632 | PreludeDirector = optarg; |
---|
[3b3491b] | 633 | break; |
---|
[3e96559] | 634 | case 'S': // enable profiling information, argument comma separated list of names |
---|
| 635 | Stats::parse_params( optarg ); |
---|
[ebcc940] | 636 | break; |
---|
[dee1f89] | 637 | case 't': // building cfa stdlib |
---|
[0da3e2c] | 638 | treep = true; |
---|
| 639 | break; |
---|
[dee1f89] | 640 | case 'g': // wait for gdb |
---|
| 641 | waiting_for_gdb = true; |
---|
| 642 | break; |
---|
[3e96559] | 643 | case 'w': // suppress all warnings, hidden |
---|
[c5e5109] | 644 | Wsuppress = true; |
---|
[44bca7f] | 645 | break; |
---|
[3e96559] | 646 | case 'W': // coordinate gcc -W with CFA, hidden |
---|
[44bca7f] | 647 | if ( strcmp( optarg, "all" ) == 0 ) { |
---|
[68e9ace] | 648 | SemanticWarning_EnableAll(); |
---|
[44bca7f] | 649 | } else if ( strcmp( optarg, "error" ) == 0 ) { |
---|
| 650 | Werror = true; |
---|
| 651 | } else { |
---|
| 652 | char * warning = optarg; |
---|
| 653 | Severity s; |
---|
| 654 | if ( strncmp( optarg, "no-", 3 ) == 0 ) { |
---|
| 655 | warning += 3; |
---|
| 656 | s = Severity::Suppress; |
---|
| 657 | } else { |
---|
| 658 | s = Severity::Warn; |
---|
| 659 | } // if |
---|
[68e9ace] | 660 | SemanticWarning_Set( warning, s ); |
---|
[44bca7f] | 661 | } // if |
---|
| 662 | break; |
---|
[3e96559] | 663 | case 'D': // ignore -Dxxx, forwarded by cpp, hidden |
---|
[0da3e2c] | 664 | break; |
---|
[3e96559] | 665 | case '?': // unknown option |
---|
| 666 | if ( optopt ) { // short option ? |
---|
| 667 | cout << "Unknown option -" << (char)optopt << endl; |
---|
| 668 | } else { |
---|
| 669 | cout << "Unknown option " << argv[optind - 1] << endl; |
---|
| 670 | } // if |
---|
| 671 | goto Default; |
---|
| 672 | case ':': // missing option |
---|
[ae47a23] | 673 | if ( optopt ) { // short option ? |
---|
[3e96559] | 674 | cout << "Missing option for -" << (char)optopt << endl; |
---|
[ae47a23] | 675 | } else { |
---|
[3e96559] | 676 | cout << "Missing option for " << argv[optind - 1] << endl; |
---|
[ae47a23] | 677 | } // if |
---|
[3e96559] | 678 | goto Default; |
---|
| 679 | Default: |
---|
| 680 | default: |
---|
| 681 | usage( argv ); // no return |
---|
[0da3e2c] | 682 | } // switch |
---|
| 683 | } // while |
---|
[44bca7f] | 684 | |
---|
| 685 | if ( Werror ) { |
---|
[68e9ace] | 686 | SemanticWarning_WarningAsError(); |
---|
[44bca7f] | 687 | } // if |
---|
[c5e5109] | 688 | if ( Wsuppress ) { |
---|
| 689 | SemanticWarning_SuppressAll(); |
---|
| 690 | } // if |
---|
[44bca7f] | 691 | // for ( const auto w : WarningFormats ) { |
---|
| 692 | // cout << w.name << ' ' << (int)w.severity << endl; |
---|
| 693 | // } // for |
---|
[0da3e2c] | 694 | } // parse_cmdline |
---|
| 695 | |
---|
[8b7ee09] | 696 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) { |
---|
[0da3e2c] | 697 | extern int yyparse( void ); |
---|
[cbaee0d] | 698 | extern FILE * yyin; |
---|
[0da3e2c] | 699 | extern int yylineno; |
---|
| 700 | |
---|
[8b7ee09] | 701 | ::linkage = linkage; // set globals |
---|
[0da3e2c] | 702 | yyin = input; |
---|
| 703 | yylineno = 1; |
---|
| 704 | int parseStatus = yyparse(); |
---|
[81419b5] | 705 | |
---|
| 706 | fclose( input ); |
---|
[0da3e2c] | 707 | if ( shouldExit || parseStatus != 0 ) { |
---|
| 708 | exit( parseStatus ); |
---|
[81419b5] | 709 | } // if |
---|
[0da3e2c] | 710 | } // parse |
---|
[81419b5] | 711 | |
---|
[1ab4ce2] | 712 | static bool notPrelude( Declaration * decl ) { |
---|
| 713 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); |
---|
[0da3e2c] | 714 | } // notPrelude |
---|
[1ab4ce2] | 715 | |
---|
[e6955b1] | 716 | static void dump( list< Declaration * > & translationUnit, ostream & out ) { |
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| 717 | list< Declaration * > decls; |
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[926af74] | 718 | |
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[62ce290] | 719 | if ( genproto ) { |
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[e6955b1] | 720 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude ); |
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[1ab4ce2] | 721 | } else { |
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| 722 | decls = translationUnit; |
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[926af74] | 723 | } // if |
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[1ab4ce2] | 724 | |
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[e39241b] | 725 | // depending on commandline options, either generate code or dump the AST |
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| 726 | if ( codegenp ) { |
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[62ce290] | 727 | CodeGen::generate( decls, out, ! genproto, prettycodegenp ); |
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[e39241b] | 728 | } else { |
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| 729 | printAll( decls, out ); |
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[3e96559] | 730 | } // if |
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[7f5566b] | 731 | deleteAll( translationUnit ); |
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[0da3e2c] | 732 | } // dump |
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[1ab4ce2] | 733 | |
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[51b7345] | 734 | // Local Variables: // |
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[b87a5ed] | 735 | // tab-width: 4 // |
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| 736 | // mode: c++ // |
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| 737 | // compile-command: "make install" // |
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[51b7345] | 738 | // End: // |
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