| 1 |
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| 2 | //
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| 3 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 4 | //
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| 5 | // The contents of this file are covered under the licence agreement in the
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| 6 | // file "LICENCE" distributed with Cforall.
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| 7 | //
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| 8 | // main.cc --
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| 9 | //
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| 10 | // Author : Richard C. Bilson
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| 11 | // Created On : Fri May 15 23:12:02 2015
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| 12 | // Last Modified By : Peter A. Buhr
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| 13 | // Last Modified On : Mon May 7 14:35:57 2018
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| 14 | // Update Count : 492
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| 15 | //
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| 16 |
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| 17 | #include <cxxabi.h> // for __cxa_demangle
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| 18 | #include <execinfo.h> // for backtrace, backtrace_symbols
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| 19 | #include <getopt.h> // for no_argument, optind, geto...
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| 20 | #include <signal.h> // for signal, SIGABRT, SIGSEGV
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| 21 | #include <cassert> // for assertf
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| 22 | #include <cstdio> // for fopen, FILE, fclose, stdin
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| 23 | #include <cstdlib> // for exit, free, abort, EXIT_F...
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| 24 | #include <cstring> // for index
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| 25 | #include <fstream> // for ofstream
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| 26 | #include <iostream> // for operator<<, basic_ostream
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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 | #include "../config.h" // for CFA_LIBDIR
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| 32 | #include "CodeGen/FixMain.h" // for FixMain
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| 33 | #include "CodeGen/FixNames.h" // for fixNames
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| 34 | #include "CodeGen/Generate.h" // for generate
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| 35 | #include "CodeTools/DeclStats.h" // for printDeclStats
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| 36 | #include "CodeTools/TrackLoc.h" // for fillLocations
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| 37 | #include "Common/CompilerError.h" // for CompilerError
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| 38 | #include "Common/GC.h" // for GC
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| 39 | #include "Common/Heap.h"
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| 40 | #include "Common/PassVisitor.h"
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| 41 | #include "Common/SemanticError.h" // for SemanticError
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| 42 | #include "Common/UnimplementedError.h" // for UnimplementedError
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| 43 | #include "Common/utility.h" // for deleteAll, filter, printAll
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| 44 | #include "Concurrency/Waitfor.h" // for generateWaitfor
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| 45 | #include "ControlStruct/ExceptTranslate.h" // for translateEHM
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| 46 | #include "ControlStruct/Mutate.h" // for mutate
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| 47 | #include "GenPoly/Box.h" // for box
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| 48 | #include "GenPoly/InstantiateGeneric.h" // for instantiateGeneric
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| 49 | #include "GenPoly/Lvalue.h" // for convertLvalue
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| 50 | #include "GenPoly/Specialize.h" // for convertSpecializations
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| 51 | #include "InitTweak/FixInit.h" // for fix
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| 52 | #include "InitTweak/GenInit.h" // for genInit
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| 53 | #include "MakeLibCfa.h" // for makeLibCfa
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| 54 | #include "Parser/LinkageSpec.h" // for Spec, Cforall, Intrinsic
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| 55 | #include "Parser/ParseNode.h" // for DeclarationNode, buildList
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| 56 | #include "Parser/TypedefTable.h" // for TypedefTable
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| 57 | #include "ResolvExpr/AlternativePrinter.h" // for AlternativePrinter
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| 58 | #include "ResolvExpr/Resolver.h" // for resolve
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| 59 | #include "SymTab/Validate.h" // for validate
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| 60 | #include "SynTree/Declaration.h" // for Declaration
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| 61 | #include "SynTree/GcTracer.h" // for GC << TranslationUnit
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| 62 | #include "SynTree/Visitor.h" // for acceptAll
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| 63 | #include "Tuples/Tuples.h" // for expandMemberTuples, expan...
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| 64 | #include "Virtual/ExpandCasts.h" // for expandCasts
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| 65 |
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| 66 | using namespace std;
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| 67 |
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| 68 | #define PASS(name, pass) \
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| 69 | if ( errorp ) { cerr << name << endl; } \
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| 70 | HeapStats::newPass(name); \
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| 71 | pass;
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| 72 |
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| 73 | LinkageSpec::Spec linkage = LinkageSpec::Cforall;
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| 74 | TypedefTable typedefTable;
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| 75 | DeclarationNode * parseTree = nullptr; // program parse tree
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| 76 |
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| 77 | extern int yydebug; // set for -g flag (Grammar)
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| 78 | bool
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| 79 | astp = false,
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| 80 | bresolvep = false,
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| 81 | bboxp = false,
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| 82 | bcodegenp = false,
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| 83 | ctorinitp = false,
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| 84 | declstatsp = false,
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| 85 | exprp = false,
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| 86 | expraltp = false,
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| 87 | genericsp = false,
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| 88 | libcfap = false,
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| 89 | nopreludep = false,
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| 90 | noprotop = false,
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| 91 | nomainp = false,
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| 92 | parsep = false,
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| 93 | resolvep = false, // used in AlternativeFinder
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| 94 | symtabp = false,
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| 95 | treep = false,
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| 96 | tuplep = false,
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| 97 | validp = false,
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| 98 | errorp = false,
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| 99 | codegenp = false,
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| 100 | prettycodegenp = false,
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| 101 | linemarks = false;
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| 102 |
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| 103 | static void parse_cmdline( int argc, char *argv[], const char *& filename );
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| 104 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false );
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| 105 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout );
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| 106 |
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| 107 | static void backtrace( int start ) { // skip first N stack frames
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| 108 | enum { Frames = 50 };
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| 109 | void * array[Frames];
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| 110 | int size = ::backtrace( array, Frames );
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| 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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| 115 |
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| 116 | // skip last 2 stack frames after main
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| 117 | for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) {
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| 118 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr;
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| 119 | for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset
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| 120 | if ( *p == '(' ) {
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| 121 | mangled_name = p;
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| 122 | } else if ( *p == '+' ) {
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| 123 | offset_begin = p;
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| 124 | } else if ( *p == ')' ) {
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| 125 | offset_end = p;
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| 126 | break;
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| 127 | } // if
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| 128 | } // for
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| 129 |
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| 130 | // if line contains symbol, attempt to demangle
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| 131 | int frameNo = i - start;
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| 132 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) {
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| 133 | *mangled_name++ = '\0'; // delimit strings
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| 134 | *offset_begin++ = '\0';
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| 135 | *offset_end++ = '\0';
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| 136 |
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| 137 | int status;
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| 138 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status );
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| 139 | // bug in __cxa_demangle for single-character lower-case non-mangled names
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| 140 | if ( status == 0 ) { // demangling successful ?
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| 141 | cerr << "(" << frameNo << ") " << messages[i] << " : "
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| 142 | << real_name << "+" << offset_begin << offset_end << endl;
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| 143 | } else { // otherwise, output mangled name
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| 144 | cerr << "(" << frameNo << ") " << messages[i] << " : "
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| 145 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl;
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| 146 | } // if
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| 147 |
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| 148 | free( real_name );
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| 149 | } else { // otherwise, print the whole line
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| 150 | cerr << "(" << frameNo << ") " << messages[i] << endl;
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| 151 | } // if
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| 152 | } // for
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| 153 |
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| 154 | free( messages );
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| 155 | } // backtrace
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| 156 |
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| 157 | void sigSegvBusHandler( int sig_num ) {
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| 158 | cerr << "*CFA runtime error* program cfa-cpp terminated with "
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| 159 | << (sig_num == SIGSEGV ? "segment fault" : "bus error")
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| 160 | << "." << endl;
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| 161 | backtrace( 2 ); // skip first 2 stack frames
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| 162 | exit( EXIT_FAILURE );
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| 163 | } // sigSegvBusHandler
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| 164 |
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| 165 | void sigAbortHandler( __attribute__((unused)) int sig_num ) {
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| 166 | backtrace( 6 ); // skip first 6 stack frames
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| 167 | signal( SIGABRT, SIG_DFL); // reset default signal handler
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| 168 | raise( SIGABRT ); // reraise SIGABRT
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| 169 | } // sigAbortHandler
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| 170 |
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| 171 |
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| 172 | int main( int argc, char * argv[] ) {
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| 173 | FILE * input; // use FILE rather than istream because yyin is FILE
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| 174 | ostream *output = & cout;
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| 175 | const char *filename = nullptr;
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| 176 | list< Declaration * > translationUnit;
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| 177 |
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| 178 | signal( SIGSEGV, sigSegvBusHandler );
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| 179 | signal( SIGBUS, sigSegvBusHandler );
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| 180 | signal( SIGABRT, sigAbortHandler );
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| 181 |
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| 182 | parse_cmdline( argc, argv, filename ); // process command-line arguments
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| 183 | CodeGen::FixMain::setReplaceMain( !nomainp );
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| 184 |
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| 185 | try {
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| 186 | // choose to read the program from a file or stdin
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| 187 | if ( optind < argc ) { // any commands after the flags ? => input file name
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| 188 | input = fopen( argv[ optind ], "r" );
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| 189 | assertf( input, "cannot open %s\n", argv[ optind ] );
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| 190 | // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to)
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| 191 | if ( filename == nullptr ) filename = argv[ optind ];
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| 192 | // prelude filename comes in differently
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| 193 | if ( libcfap ) filename = "prelude.cf";
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| 194 | optind += 1;
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| 195 | } else { // no input file name
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| 196 | input = stdin;
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| 197 | // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass
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| 198 | // a fake name along
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| 199 | if ( filename == nullptr ) filename = "stdin";
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| 200 | } // if
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| 201 |
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| 202 | // read in the builtins, extras, and the prelude
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| 203 | if ( ! nopreludep ) { // include gcc builtins
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| 204 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here.
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| 205 |
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| 206 | // Read to gcc builtins, if not generating the cfa library
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| 207 | FILE * gcc_builtins = fopen( libcfap | treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" );
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| 208 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" );
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| 209 | parse( gcc_builtins, LinkageSpec::Compiler );
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| 210 |
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| 211 | // read the extra prelude in, if not generating the cfa library
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| 212 | FILE * extras = fopen( libcfap | treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" );
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| 213 | assertf( extras, "cannot open extras.cf\n" );
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| 214 | parse( extras, LinkageSpec::BuiltinC );
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| 215 |
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| 216 | if ( ! libcfap ) {
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| 217 | // read the prelude in, if not generating the cfa library
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| 218 | FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" );
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| 219 | assertf( prelude, "cannot open prelude.cf\n" );
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| 220 | parse( prelude, LinkageSpec::Intrinsic );
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| 221 |
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| 222 | // Read to cfa builtins, if not generating the cfa library
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| 223 | FILE * builtins = fopen( libcfap | treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" );
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| 224 | assertf( builtins, "cannot open builtins.cf\n" );
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| 225 | parse( builtins, LinkageSpec::BuiltinCFA );
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| 226 | } // if
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| 227 | } // if
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| 228 |
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| 229 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug );
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| 230 |
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| 231 | if ( parsep ) {
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| 232 | parseTree->printList( cout );
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| 233 | delete parseTree;
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| 234 | return 0;
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| 235 | } // if
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| 236 |
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| 237 | buildList( parseTree, translationUnit );
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| 238 | delete parseTree;
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| 239 | parseTree = nullptr;
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| 240 | collect( translationUnit );
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| 241 |
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| 242 | if ( astp ) {
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| 243 | dump( translationUnit );
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| 244 | return 0;
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| 245 | } // if
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| 246 |
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| 247 | // add the assignment statement after the initialization of a type parameter
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| 248 | PASS( "validate", SymTab::validate( translationUnit, symtabp ) );
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| 249 | if ( symtabp ) return 0;
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| 250 | collect( translationUnit );
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| 251 |
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| 252 | if ( expraltp ) {
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| 253 | PassVisitor<ResolvExpr::AlternativePrinter> printer( cout );
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| 254 | acceptAll( translationUnit, printer );
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| 255 | return 0;
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| 256 | } // if
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| 257 |
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| 258 | if ( validp ) {
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| 259 | dump( translationUnit );
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| 260 | return 0;
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| 261 | } // if
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| 262 |
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| 263 | PASS( "mutate", ControlStruct::mutate( translationUnit ) );
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| 264 | PASS( "fixNames", CodeGen::fixNames( translationUnit ) );
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| 265 | PASS( "genInit", InitTweak::genInit( translationUnit ) );
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| 266 | PASS( "expandMemberTuples" , Tuples::expandMemberTuples( translationUnit ) );
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| 267 | collect( translationUnit );
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| 268 | if ( libcfap ) {
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| 269 | // generate the bodies of cfa library functions
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| 270 | LibCfa::makeLibCfa( translationUnit );
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| 271 | } // if
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| 272 |
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| 273 | if ( declstatsp ) {
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| 274 | CodeTools::printDeclStats( translationUnit );
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| 275 | return 0;
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| 276 | }
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| 277 |
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| 278 | if ( bresolvep ) {
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| 279 | dump( translationUnit );
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| 280 | return 0;
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| 281 | } // if
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| 282 |
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| 283 | CodeTools::fillLocations( translationUnit );
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| 284 |
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| 285 | PASS( "resolve", ResolvExpr::resolve( translationUnit ) );
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| 286 | collect( translationUnit );
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| 287 | if ( exprp ) {
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| 288 | dump( translationUnit );
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| 289 | return 0;
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| 290 | } // if
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| 291 |
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| 292 | // fix ObjectDecl - replaces ConstructorInit nodes
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| 293 | PASS( "fixInit", InitTweak::fix( translationUnit, filename, libcfap || treep ) );
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| 294 | collect( translationUnit );
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| 295 | if ( ctorinitp ) {
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| 296 | dump ( translationUnit );
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| 297 | return 0;
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| 298 | } // if
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| 299 |
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| 300 | PASS( "expandUniqueExpr", Tuples::expandUniqueExpr( translationUnit ) ); // xxx - is this the right place for this? want to expand ASAP so tha, sequent passes don't need to worry about double-visiting a unique expr - needs to go after InitTweak::fix so that copy constructed return declarations are reused
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| 301 |
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| 302 | PASS( "translateEHM" , ControlStruct::translateEHM( translationUnit ) );
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| 303 |
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| 304 | PASS( "generateWaitfor" , Concurrency::generateWaitFor( translationUnit ) );
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| 305 |
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| 306 | PASS( "convertSpecializations", GenPoly::convertSpecializations( translationUnit ) ); // needs to happen before tuple types are expanded
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| 307 |
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| 308 | PASS( "expandTuples", Tuples::expandTuples( translationUnit ) ); // xxx - is this the right place for this?
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| 309 | collect( translationUnit );
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| 310 | if ( tuplep ) {
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| 311 | dump( translationUnit );
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| 312 | return 0;
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| 313 | }
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| 314 |
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| 315 | PASS( "virtual expandCasts", Virtual::expandCasts( translationUnit ) ); // Must come after translateEHM
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| 316 |
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| 317 | PASS( "instantiateGenerics", GenPoly::instantiateGeneric( translationUnit ) );
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| 318 | collect( translationUnit );
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| 319 | if ( genericsp ) {
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| 320 | dump( translationUnit );
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| 321 | return 0;
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| 322 | }
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| 323 | PASS( "convertLvalue", GenPoly::convertLvalue( translationUnit ) );
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| 324 | collect( translationUnit );
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| 325 | if ( bboxp ) {
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| 326 | dump( translationUnit );
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| 327 | return 0;
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| 328 | } // if
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| 329 | PASS( "box", GenPoly::box( translationUnit ) );
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| 330 | collect( translationUnit );
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| 331 | if ( bcodegenp ) {
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| 332 | dump( translationUnit );
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| 333 | return 0;
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| 334 | }
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| 335 |
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| 336 | if ( optind < argc ) { // any commands after the flags and input file ? => output file name
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| 337 | output = new ofstream( argv[ optind ] );
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| 338 | } // if
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| 339 |
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| 340 | CodeTools::fillLocations( translationUnit );
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| 341 | PASS( "codegen", CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, linemarks ) );
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| 342 |
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| 343 | CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" );
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| 344 | if ( output != &cout ) {
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| 345 | delete output;
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| 346 | } // if
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| 347 | } catch ( SemanticErrorException &e ) {
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| 348 | if ( errorp ) {
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| 349 | cerr << "---AST at error:---" << endl;
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| 350 | dump( translationUnit, cerr );
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| 351 | cerr << endl << "---End of AST, begin error message:---\n" << endl;
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| 352 | } // if
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| 353 | e.print();
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| 354 | if ( output != &cout ) {
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| 355 | delete output;
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| 356 | } // if
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| 357 | return 1;
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| 358 | } catch ( UnimplementedError &e ) {
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| 359 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl;
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| 360 | if ( output != &cout ) {
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| 361 | delete output;
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| 362 | } // if
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| 363 | return 1;
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| 364 | } catch ( CompilerError &e ) {
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| 365 | cerr << "Compiler Error: " << e.get_what() << endl;
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| 366 | cerr << "(please report bugs to [REDACTED])" << endl;
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| 367 | if ( output != &cout ) {
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| 368 | delete output;
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| 369 | } // if
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| 370 | return 1;
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| 371 | } catch(...) {
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| 372 | std::exception_ptr eptr = std::current_exception();
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| 373 | try {
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| 374 | if (eptr) {
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| 375 | std::rethrow_exception(eptr);
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| 376 | }
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| 377 | else {
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| 378 | std::cerr << "Exception Uncaught and Unkown" << std::endl;
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| 379 | }
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| 380 | } catch(const std::exception& e) {
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| 381 | std::cerr << "Unaught Exception \"" << e.what() << "\"\n";
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| 382 | }
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| 383 | return 1;
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| 384 | }// try
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| 385 |
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| 386 | if(!libcfap && !treep) HeapStats::printStats();
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| 387 | return 0;
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| 388 | } // main
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| 389 |
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| 390 | void parse_cmdline( int argc, char * argv[], const char *& filename ) {
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| 391 | enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Linemarks, Nolinemarks, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, };
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| 392 |
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| 393 | static struct option long_opts[] = {
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| 394 | { "ast", no_argument, 0, Ast },
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| 395 | { "before-box", no_argument, 0, Bbox },
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| 396 | { "before-resolver", no_argument, 0, Bresolver },
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| 397 | { "ctorinitfix", no_argument, 0, CtorInitFix },
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| 398 | { "decl-stats", no_argument, 0, DeclStats },
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| 399 | { "expr", no_argument, 0, Expr },
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| 400 | { "expralt", no_argument, 0, ExprAlt },
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| 401 | { "grammar", no_argument, 0, Grammar },
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| 402 | { "libcfa", no_argument, 0, LibCFA },
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| 403 | { "line-marks", no_argument, 0, Linemarks },
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| 404 | { "no-line-marks", no_argument, 0, Nolinemarks },
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| 405 | { "no-preamble", no_argument, 0, Nopreamble },
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| 406 | { "parse", no_argument, 0, Parse },
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| 407 | { "no-prototypes", no_argument, 0, Prototypes },
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| 408 | { "resolver", no_argument, 0, Resolver },
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| 409 | { "symbol", no_argument, 0, Symbol },
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|---|
| 410 | { "tree", no_argument, 0, Tree },
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|---|
| 411 | { "tuple-expansion", no_argument, 0, TupleExpansion },
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| 412 | { "validate", no_argument, 0, Validate },
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|---|
| 413 | { 0, 0, 0, 0 }
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|---|
| 414 | }; // long_opts
|
|---|
| 415 | int long_index;
|
|---|
| 416 |
|
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| 417 | opterr = 0; // (global) prevent getopt from printing error messages
|
|---|
| 418 |
|
|---|
| 419 | bool Wsuppress = false, Werror = false;
|
|---|
| 420 | int c;
|
|---|
| 421 | while ( (c = getopt_long( argc, argv, "abBcCdefgGlLmnNpqrstTvwW:yzZD:F:", long_opts, &long_index )) != -1 ) {
|
|---|
| 422 | switch ( c ) {
|
|---|
| 423 | case Ast:
|
|---|
| 424 | case 'a': // dump AST
|
|---|
| 425 | astp = true;
|
|---|
| 426 | break;
|
|---|
| 427 | case Bresolver:
|
|---|
| 428 | case 'b': // print before resolver steps
|
|---|
| 429 | bresolvep = true;
|
|---|
| 430 | break;
|
|---|
| 431 | case 'B': // print before box steps
|
|---|
| 432 | bboxp = true;
|
|---|
| 433 | break;
|
|---|
| 434 | case CtorInitFix:
|
|---|
| 435 | case 'c': // print after constructors and destructors are replaced
|
|---|
| 436 | ctorinitp = true;
|
|---|
| 437 | break;
|
|---|
| 438 | case 'C': // print before code generation
|
|---|
| 439 | bcodegenp = true;
|
|---|
| 440 | break;
|
|---|
| 441 | case DeclStats:
|
|---|
| 442 | case 'd':
|
|---|
| 443 | declstatsp = true;
|
|---|
| 444 | break;
|
|---|
| 445 | case Expr:
|
|---|
| 446 | case 'e': // dump AST after expression analysis
|
|---|
| 447 | exprp = true;
|
|---|
| 448 | break;
|
|---|
| 449 | case ExprAlt:
|
|---|
| 450 | case 'f': // print alternatives for expressions
|
|---|
| 451 | expraltp = true;
|
|---|
| 452 | break;
|
|---|
| 453 | case Grammar:
|
|---|
| 454 | case 'g': // bison debugging info (grammar rules)
|
|---|
| 455 | yydebug = true;
|
|---|
| 456 | break;
|
|---|
| 457 | case 'G': // dump AST after instantiate generics
|
|---|
| 458 | genericsp = true;
|
|---|
| 459 | break;
|
|---|
| 460 | case LibCFA:
|
|---|
| 461 | case 'l': // generate libcfa.c
|
|---|
| 462 | libcfap = true;
|
|---|
| 463 | break;
|
|---|
| 464 | case Linemarks:
|
|---|
| 465 | case 'L': // print lines marks
|
|---|
| 466 | linemarks = true;
|
|---|
| 467 | break;
|
|---|
| 468 | case Nopreamble:
|
|---|
| 469 | case 'n': // do not read preamble
|
|---|
| 470 | nopreludep = true;
|
|---|
| 471 | break;
|
|---|
| 472 | case Nolinemarks:
|
|---|
| 473 | case 'N': // suppress line marks
|
|---|
| 474 | linemarks = false;
|
|---|
| 475 | break;
|
|---|
| 476 | case Prototypes:
|
|---|
| 477 | case 'p': // generate prototypes for preamble functions
|
|---|
| 478 | noprotop = true;
|
|---|
| 479 | break;
|
|---|
| 480 | case 'm': // don't replace the main
|
|---|
| 481 | nomainp = true;
|
|---|
| 482 | break;
|
|---|
| 483 | case Parse:
|
|---|
| 484 | case 'q': // dump parse tree
|
|---|
| 485 | parsep = true;
|
|---|
| 486 | break;
|
|---|
| 487 | case Resolver:
|
|---|
| 488 | case 'r': // print resolver steps
|
|---|
| 489 | resolvep = true;
|
|---|
| 490 | break;
|
|---|
| 491 | case Symbol:
|
|---|
| 492 | case 's': // print symbol table events
|
|---|
| 493 | symtabp = true;
|
|---|
| 494 | break;
|
|---|
| 495 | case Tree:
|
|---|
| 496 | case 't': // build in tree
|
|---|
| 497 | treep = true;
|
|---|
| 498 | break;
|
|---|
| 499 | case TupleExpansion:
|
|---|
| 500 | case 'T': // print after tuple expansion
|
|---|
| 501 | tuplep = true;
|
|---|
| 502 | break;
|
|---|
| 503 | case 'v': // dump AST after decl validation pass
|
|---|
| 504 | validp = true;
|
|---|
| 505 | break;
|
|---|
| 506 | case 'w':
|
|---|
| 507 | Wsuppress = true;
|
|---|
| 508 | break;
|
|---|
| 509 | case 'W':
|
|---|
| 510 | if ( strcmp( optarg, "all" ) == 0 ) {
|
|---|
| 511 | SemanticWarning_EnableAll();
|
|---|
| 512 | } else if ( strcmp( optarg, "error" ) == 0 ) {
|
|---|
| 513 | Werror = true;
|
|---|
| 514 | } else {
|
|---|
| 515 | char * warning = optarg;
|
|---|
| 516 | Severity s;
|
|---|
| 517 | if ( strncmp( optarg, "no-", 3 ) == 0 ) {
|
|---|
| 518 | warning += 3;
|
|---|
| 519 | s = Severity::Suppress;
|
|---|
| 520 | } else {
|
|---|
| 521 | s = Severity::Warn;
|
|---|
| 522 | } // if
|
|---|
| 523 | SemanticWarning_Set( warning, s );
|
|---|
| 524 | } // if
|
|---|
| 525 | break;
|
|---|
| 526 | case 'y': // dump AST on error
|
|---|
| 527 | errorp = true;
|
|---|
| 528 | break;
|
|---|
| 529 | case 'z': // dump as codegen rather than AST
|
|---|
| 530 | codegenp = true;
|
|---|
| 531 | break;
|
|---|
| 532 | case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.)
|
|---|
| 533 | prettycodegenp = true;
|
|---|
| 534 | break;
|
|---|
| 535 | case 'D': // ignore -Dxxx
|
|---|
| 536 | break;
|
|---|
| 537 | case 'F': // source file-name without suffix
|
|---|
| 538 | filename = optarg;
|
|---|
| 539 | break;
|
|---|
| 540 | case '?':
|
|---|
| 541 | if ( optopt ) { // short option ?
|
|---|
| 542 | assertf( false, "Unknown option: -%c\n", (char)optopt );
|
|---|
| 543 | } else {
|
|---|
| 544 | assertf( false, "Unknown option: %s\n", argv[optind - 1] );
|
|---|
| 545 | } // if
|
|---|
| 546 | #if defined(__GNUC__) && __GNUC__ >= 7
|
|---|
| 547 | __attribute__((fallthrough));
|
|---|
| 548 | #endif
|
|---|
| 549 | default:
|
|---|
| 550 | abort();
|
|---|
| 551 | } // switch
|
|---|
| 552 | } // while
|
|---|
| 553 |
|
|---|
| 554 | if ( Werror ) {
|
|---|
| 555 | SemanticWarning_WarningAsError();
|
|---|
| 556 | } // if
|
|---|
| 557 | if ( Wsuppress ) {
|
|---|
| 558 | SemanticWarning_SuppressAll();
|
|---|
| 559 | } // if
|
|---|
| 560 | // for ( const auto w : WarningFormats ) {
|
|---|
| 561 | // cout << w.name << ' ' << (int)w.severity << endl;
|
|---|
| 562 | // } // for
|
|---|
| 563 | } // parse_cmdline
|
|---|
| 564 |
|
|---|
| 565 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) {
|
|---|
| 566 | extern int yyparse( void );
|
|---|
| 567 | extern FILE * yyin;
|
|---|
| 568 | extern int yylineno;
|
|---|
| 569 |
|
|---|
| 570 | ::linkage = linkage; // set globals
|
|---|
| 571 | yyin = input;
|
|---|
| 572 | yylineno = 1;
|
|---|
| 573 | typedefTable.enterScope();
|
|---|
| 574 | int parseStatus = yyparse();
|
|---|
| 575 |
|
|---|
| 576 | fclose( input );
|
|---|
| 577 | if ( shouldExit || parseStatus != 0 ) {
|
|---|
| 578 | exit( parseStatus );
|
|---|
| 579 | } // if
|
|---|
| 580 | } // parse
|
|---|
| 581 |
|
|---|
| 582 | static bool notPrelude( Declaration * decl ) {
|
|---|
| 583 | return ! LinkageSpec::isBuiltin( decl->get_linkage() );
|
|---|
| 584 | } // notPrelude
|
|---|
| 585 |
|
|---|
| 586 | static void dump( list< Declaration * > & translationUnit, ostream & out ) {
|
|---|
| 587 | list< Declaration * > decls;
|
|---|
| 588 |
|
|---|
| 589 | if ( noprotop ) {
|
|---|
| 590 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude );
|
|---|
| 591 | } else {
|
|---|
| 592 | decls = translationUnit;
|
|---|
| 593 | } // if
|
|---|
| 594 |
|
|---|
| 595 | // depending on commandline options, either generate code or dump the AST
|
|---|
| 596 | if ( codegenp ) {
|
|---|
| 597 | CodeGen::generate( decls, out, ! noprotop, prettycodegenp );
|
|---|
| 598 | } else {
|
|---|
| 599 | printAll( decls, out );
|
|---|
| 600 | }
|
|---|
| 601 | } // dump
|
|---|
| 602 |
|
|---|
| 603 | // Local Variables: //
|
|---|
| 604 | // tab-width: 4 //
|
|---|
| 605 | // mode: c++ //
|
|---|
| 606 | // compile-command: "make install" //
|
|---|
| 607 | // End: //
|
|---|
