[c850687] | 1 | |
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[b87a5ed] | 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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[71f4e4f] | 8 | // main.cc -- |
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[b87a5ed] | 9 | // |
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[843054c2] | 10 | // Author : Richard C. Bilson |
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[b87a5ed] | 11 | // Created On : Fri May 15 23:12:02 2015 |
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[a67b60e] | 12 | // Last Modified By : Peter A. Buhr |
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[ae47a23] | 13 | // Last Modified On : Thu Jun 29 12:46:50 2017 |
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| 14 | // Update Count : 441 |
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[b87a5ed] | 15 | // |
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| 16 | |
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[51b7345] | 17 | #include <iostream> |
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| 18 | #include <fstream> |
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[e6955b1] | 19 | #include <signal.h> // signal |
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| 20 | #include <getopt.h> // getopt |
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[0afffee] | 21 | #include <execinfo.h> // backtrace, backtrace_symbols |
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[e6955b1] | 22 | #include <cxxabi.h> // __cxa_demangle |
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[0afffee] | 23 | #include <cstring> // index |
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[e6955b1] | 24 | |
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| 25 | using namespace std; |
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| 26 | |
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[44f44617] | 27 | #include "Parser/ParserTypes.h" |
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[0da3e2c] | 28 | #include "Parser/TypedefTable.h" |
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[51b7345] | 29 | #include "GenPoly/Lvalue.h" |
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| 30 | #include "GenPoly/Specialize.h" |
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| 31 | #include "GenPoly/Box.h" |
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| 32 | #include "GenPoly/CopyParams.h" |
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[ea5daeb] | 33 | #include "GenPoly/InstantiateGeneric.h" |
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[64adb03] | 34 | #include "Concurrency/Keywords.h" |
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[51b7345] | 35 | #include "CodeGen/Generate.h" |
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| 36 | #include "CodeGen/FixNames.h" |
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[13de47bc] | 37 | #include "CodeGen/FixMain.h" |
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[41a7137] | 38 | #include "CodeTools/DeclStats.h" |
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[4810867] | 39 | #include "CodeTools/TrackLoc.h" |
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[51b7345] | 40 | #include "ControlStruct/Mutate.h" |
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[307a732] | 41 | #include "ControlStruct/ExceptTranslate.h" |
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[51b7345] | 42 | #include "SymTab/Validate.h" |
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| 43 | #include "ResolvExpr/AlternativePrinter.h" |
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| 44 | #include "ResolvExpr/Resolver.h" |
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| 45 | #include "MakeLibCfa.h" |
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[a0fdbd5] | 46 | #include "InitTweak/GenInit.h" |
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[71f4e4f] | 47 | #include "InitTweak/FixInit.h" |
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[d3b7937] | 48 | #include "Common/UnimplementedError.h" |
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[51b7345] | 49 | #include "../config.h" |
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[6eb8948] | 50 | #include "Tuples/Tuples.h" |
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[51b7345] | 51 | |
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| 52 | using namespace std; |
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| 53 | |
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[e6955b1] | 54 | #define OPTPRINT(x) if ( errorp ) cerr << x << endl; |
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[81419b5] | 55 | |
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[0da3e2c] | 56 | |
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[8b7ee09] | 57 | LinkageSpec::Spec linkage = LinkageSpec::Cforall; |
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[0da3e2c] | 58 | TypedefTable typedefTable; |
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[cbaee0d] | 59 | DeclarationNode * parseTree = nullptr; // program parse tree |
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[81419b5] | 60 | |
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[926af74] | 61 | extern int yydebug; // set for -g flag (Grammar) |
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[b87a5ed] | 62 | bool |
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| 63 | astp = false, |
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[de62360d] | 64 | bresolvep = false, |
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[fea7ca7] | 65 | bboxp = false, |
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[8905f56] | 66 | bcodegenp = false, |
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[ca1c11f] | 67 | ctorinitp = false, |
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[41a7137] | 68 | declstatsp = false, |
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[b87a5ed] | 69 | exprp = false, |
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| 70 | expraltp = false, |
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| 71 | libcfap = false, |
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[de62360d] | 72 | nopreludep = false, |
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[1ab4ce2] | 73 | noprotop = false, |
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[3fe34ae] | 74 | nomainp = false, |
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[de62360d] | 75 | parsep = false, |
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[b87a5ed] | 76 | resolvep = false, // used in AlternativeFinder |
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| 77 | symtabp = false, |
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[d3b7937] | 78 | treep = false, |
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[626dbc10] | 79 | tuplep = false, |
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[b87a5ed] | 80 | validp = false, |
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[de62360d] | 81 | errorp = false, |
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[35b1bf4] | 82 | codegenp = false, |
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[c850687] | 83 | prettycodegenp = false, |
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| 84 | nolinemarks = false; |
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[b87a5ed] | 85 | |
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[926af74] | 86 | static void parse_cmdline( int argc, char *argv[], const char *& filename ); |
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[8b7ee09] | 87 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit = false ); |
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[e6955b1] | 88 | static void dump( list< Declaration * > & translationUnit, ostream & out = cout ); |
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| 89 | |
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[0afffee] | 90 | static void backtrace( int start ) { // skip first N stack frames |
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[e6955b1] | 91 | enum { Frames = 50 }; |
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| 92 | void * array[Frames]; |
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[0afffee] | 93 | int size = ::backtrace( array, Frames ); |
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| 94 | char ** messages = ::backtrace_symbols( array, size ); // does not demangle names |
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| 95 | |
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| 96 | *index( messages[0], '(' ) = '\0'; // find executable name |
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| 97 | cerr << "Stack back trace for: " << messages[0] << endl; |
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[e6955b1] | 98 | |
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[b542bfb] | 99 | // skip last 2 stack frames after main |
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| 100 | for ( int i = start; i < size - 2 && messages != nullptr; i += 1 ) { |
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[e6955b1] | 101 | char * mangled_name = nullptr, * offset_begin = nullptr, * offset_end = nullptr; |
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| 102 | for ( char *p = messages[i]; *p; ++p ) { // find parantheses and +offset |
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[0afffee] | 103 | if ( *p == '(' ) { |
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[46f6134] | 104 | mangled_name = p; |
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[0afffee] | 105 | } else if ( *p == '+' ) { |
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[e6955b1] | 106 | offset_begin = p; |
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[0afffee] | 107 | } else if ( *p == ')' ) { |
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[e6955b1] | 108 | offset_end = p; |
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| 109 | break; |
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| 110 | } // if |
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| 111 | } // for |
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| 112 | |
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| 113 | // if line contains symbol, attempt to demangle |
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[b542bfb] | 114 | int frameNo = i - start; |
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[e6955b1] | 115 | if ( mangled_name && offset_begin && offset_end && mangled_name < offset_begin ) { |
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[0afffee] | 116 | *mangled_name++ = '\0'; // delimit strings |
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[e6955b1] | 117 | *offset_begin++ = '\0'; |
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| 118 | *offset_end++ = '\0'; |
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| 119 | |
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[0afffee] | 120 | int status; |
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[e6955b1] | 121 | char * real_name = __cxxabiv1::__cxa_demangle( mangled_name, 0, 0, &status ); |
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[0afffee] | 122 | // bug in __cxa_demangle for single-character lower-case non-mangled names |
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[e6955b1] | 123 | if ( status == 0 ) { // demangling successful ? |
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[b542bfb] | 124 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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[e6955b1] | 125 | << real_name << "+" << offset_begin << offset_end << endl; |
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| 126 | } else { // otherwise, output mangled name |
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[b542bfb] | 127 | cerr << "(" << frameNo << ") " << messages[i] << " : " |
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[0afffee] | 128 | << mangled_name << "(/*unknown*/)+" << offset_begin << offset_end << endl; |
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[e6955b1] | 129 | } // if |
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[0afffee] | 130 | |
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[e6955b1] | 131 | free( real_name ); |
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| 132 | } else { // otherwise, print the whole line |
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[b542bfb] | 133 | cerr << "(" << frameNo << ") " << messages[i] << endl; |
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[e6955b1] | 134 | } // if |
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| 135 | } // for |
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[b542bfb] | 136 | |
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[e6955b1] | 137 | free( messages ); |
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[b542bfb] | 138 | } // backtrace |
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| 139 | |
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| 140 | void sigSegvBusHandler( int sig_num ) { |
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| 141 | cerr << "*CFA runtime error* program cfa-cpp terminated with " |
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| 142 | << (sig_num == SIGSEGV ? "segment fault" : "bus error") |
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[0afffee] | 143 | << "." << endl; |
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[b542bfb] | 144 | backtrace( 2 ); // skip first 2 stack frames |
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[e6955b1] | 145 | exit( EXIT_FAILURE ); |
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| 146 | } // sigSegvBusHandler |
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[0da3e2c] | 147 | |
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[b3c36f4] | 148 | void sigAbortHandler( __attribute__((unused)) int sig_num ) { |
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[b542bfb] | 149 | backtrace( 6 ); // skip first 6 stack frames |
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| 150 | signal( SIGABRT, SIG_DFL); // reset default signal handler |
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| 151 | raise( SIGABRT ); // reraise SIGABRT |
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| 152 | } // sigAbortHandler |
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| 153 | |
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| 154 | |
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[cbaee0d] | 155 | int main( int argc, char * argv[] ) { |
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[3b8e52c] | 156 | FILE * input; // use FILE rather than istream because yyin is FILE |
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[e6955b1] | 157 | ostream *output = & cout; |
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[926af74] | 158 | const char *filename = nullptr; |
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[e6955b1] | 159 | list< Declaration * > translationUnit; |
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| 160 | |
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| 161 | signal( SIGSEGV, sigSegvBusHandler ); |
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| 162 | signal( SIGBUS, sigSegvBusHandler ); |
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[b542bfb] | 163 | signal( SIGABRT, sigAbortHandler ); |
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[b87a5ed] | 164 | |
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[0da3e2c] | 165 | parse_cmdline( argc, argv, filename ); // process command-line arguments |
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[13de47bc] | 166 | CodeGen::FixMain::setReplaceMain( !nomainp ); |
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[b87a5ed] | 167 | |
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| 168 | try { |
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[81419b5] | 169 | // choose to read the program from a file or stdin |
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[3b8e52c] | 170 | if ( optind < argc ) { // any commands after the flags ? => input file name |
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[b87a5ed] | 171 | input = fopen( argv[ optind ], "r" ); |
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[3b8e52c] | 172 | assertf( input, "cannot open %s\n", argv[ optind ] ); |
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[d029162] | 173 | // if running cfa-cpp directly, might forget to pass -F option (and really shouldn't have to) |
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[926af74] | 174 | if ( filename == nullptr ) filename = argv[ optind ]; |
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[37024fd] | 175 | // prelude filename comes in differently |
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| 176 | if ( libcfap ) filename = "prelude.cf"; |
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[b87a5ed] | 177 | optind += 1; |
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[3b8e52c] | 178 | } else { // no input file name |
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[b87a5ed] | 179 | input = stdin; |
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[2a7e29b] | 180 | // if running cfa-cpp directly, might forget to pass -F option. Since this takes from stdin, pass |
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| 181 | // a fake name along |
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[926af74] | 182 | if ( filename == nullptr ) filename = "stdin"; |
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[b87a5ed] | 183 | } // if |
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| 184 | |
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[159c62e] | 185 | // read in the builtins, extras, and the prelude |
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[de62360d] | 186 | if ( ! nopreludep ) { // include gcc builtins |
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[faf8857] | 187 | // -l is for initial build ONLY and builtins.cf is not in the lib directory so access it here. |
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[807ce84] | 188 | |
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| 189 | // Read to gcc builtins, if not generating the cfa library |
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[6ce3ae9] | 190 | FILE * gcc_builtins = fopen( libcfap | treep ? "../prelude/gcc-builtins.cf" : CFA_LIBDIR "/gcc-builtins.cf", "r" ); |
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| 191 | assertf( gcc_builtins, "cannot open gcc-builtins.cf\n" ); |
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| 192 | parse( gcc_builtins, LinkageSpec::Compiler ); |
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[81419b5] | 193 | |
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[159c62e] | 194 | // read the extra prelude in, if not generating the cfa library |
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[375a068] | 195 | FILE * extras = fopen( libcfap | treep ? "../prelude/extras.cf" : CFA_LIBDIR "/extras.cf", "r" ); |
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[3b8e52c] | 196 | assertf( extras, "cannot open extras.cf\n" ); |
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[159c62e] | 197 | parse( extras, LinkageSpec::C ); |
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| 198 | |
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[81419b5] | 199 | if ( ! libcfap ) { |
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[faf8857] | 200 | // read the prelude in, if not generating the cfa library |
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[375a068] | 201 | FILE * prelude = fopen( treep ? "../prelude/prelude.cf" : CFA_LIBDIR "/prelude.cf", "r" ); |
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[3b8e52c] | 202 | assertf( prelude, "cannot open prelude.cf\n" ); |
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[35304009] | 203 | parse( prelude, LinkageSpec::Intrinsic ); |
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[fa4805f] | 204 | |
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| 205 | // Read to cfa builtins, if not generating the cfa library |
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| 206 | FILE * builtins = fopen( libcfap | treep ? "../prelude/builtins.cf" : CFA_LIBDIR "/builtins.cf", "r" ); |
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| 207 | assertf( builtins, "cannot open builtins.cf\n" ); |
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| 208 | parse( builtins, LinkageSpec::Builtin ); |
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[b87a5ed] | 209 | } // if |
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| 210 | } // if |
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[81419b5] | 211 | |
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[926af74] | 212 | parse( input, libcfap ? LinkageSpec::Intrinsic : LinkageSpec::Cforall, yydebug ); |
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[71f4e4f] | 213 | |
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[b87a5ed] | 214 | if ( parsep ) { |
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[e6955b1] | 215 | parseTree->printList( cout ); |
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[0da3e2c] | 216 | delete parseTree; |
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[b87a5ed] | 217 | return 0; |
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| 218 | } // if |
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| 219 | |
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[0da3e2c] | 220 | buildList( parseTree, translationUnit ); |
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| 221 | delete parseTree; |
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[cbaee0d] | 222 | parseTree = nullptr; |
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[b87a5ed] | 223 | |
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| 224 | if ( astp ) { |
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[1ab4ce2] | 225 | dump( translationUnit ); |
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[b87a5ed] | 226 | return 0; |
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| 227 | } // if |
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| 228 | |
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[bcda04c] | 229 | // OPTPRINT( "Concurrency" ) |
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| 230 | // Concurrency::applyKeywords( translationUnit ); |
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| 231 | |
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[839ccbb] | 232 | // add the assignment statement after the initialization of a type parameter |
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[81419b5] | 233 | OPTPRINT( "validate" ) |
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| 234 | SymTab::validate( translationUnit, symtabp ); |
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| 235 | if ( symtabp ) { |
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[46f6134] | 236 | deleteAll( translationUnit ); |
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[b87a5ed] | 237 | return 0; |
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| 238 | } // if |
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| 239 | |
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[81419b5] | 240 | if ( expraltp ) { |
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[e6955b1] | 241 | ResolvExpr::AlternativePrinter printer( cout ); |
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[81419b5] | 242 | acceptAll( translationUnit, printer ); |
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[b87a5ed] | 243 | return 0; |
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| 244 | } // if |
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| 245 | |
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| 246 | if ( validp ) { |
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[1ab4ce2] | 247 | dump( translationUnit ); |
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[b87a5ed] | 248 | return 0; |
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| 249 | } // if |
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| 250 | |
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[81419b5] | 251 | OPTPRINT( "mutate" ) |
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| 252 | ControlStruct::mutate( translationUnit ); |
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[71f4e4f] | 253 | OPTPRINT( "fixNames" ) |
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[81419b5] | 254 | CodeGen::fixNames( translationUnit ); |
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[ef42b143] | 255 | OPTPRINT( "genInit" ) |
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[a0fdbd5] | 256 | InitTweak::genInit( translationUnit ); |
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[bf32bb8] | 257 | OPTPRINT( "expandMemberTuples" ); |
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| 258 | Tuples::expandMemberTuples( translationUnit ); |
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[81419b5] | 259 | if ( libcfap ) { |
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| 260 | // generate the bodies of cfa library functions |
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| 261 | LibCfa::makeLibCfa( translationUnit ); |
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[b87a5ed] | 262 | } // if |
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| 263 | |
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[fa2de95] | 264 | if ( declstatsp ) { |
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| 265 | CodeTools::printDeclStats( translationUnit ); |
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| 266 | deleteAll( translationUnit ); |
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| 267 | return 0; |
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| 268 | } |
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| 269 | |
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[de62360d] | 270 | if ( bresolvep ) { |
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[1ab4ce2] | 271 | dump( translationUnit ); |
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[de62360d] | 272 | return 0; |
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| 273 | } // if |
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| 274 | |
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[81419b5] | 275 | OPTPRINT( "resolve" ) |
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[b87a5ed] | 276 | ResolvExpr::resolve( translationUnit ); |
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[81419b5] | 277 | if ( exprp ) { |
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[1ab4ce2] | 278 | dump( translationUnit ); |
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[ca1c11f] | 279 | return 0; |
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[926af74] | 280 | } // if |
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[81419b5] | 281 | |
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[71f4e4f] | 282 | // fix ObjectDecl - replaces ConstructorInit nodes |
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[6cf27a07] | 283 | OPTPRINT( "fixInit" ) |
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| 284 | InitTweak::fix( translationUnit, filename, libcfap || treep ); |
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[ca1c11f] | 285 | if ( ctorinitp ) { |
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| 286 | dump ( translationUnit ); |
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| 287 | return 0; |
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[926af74] | 288 | } // if |
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[71f4e4f] | 289 | |
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[141b786] | 290 | OPTPRINT( "expandUniqueExpr" ); // xxx - is this the right place for this? want to expand ASAP so that subsequent 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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| 291 | Tuples::expandUniqueExpr( translationUnit ); |
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[626dbc10] | 292 | |
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[307a732] | 293 | OPTPRINT( "translateEHM" ); |
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| 294 | ControlStruct::translateEHM( translationUnit ); |
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| 295 | |
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[626dbc10] | 296 | OPTPRINT( "convertSpecializations" ) // needs to happen before tuple types are expanded |
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| 297 | GenPoly::convertSpecializations( translationUnit ); |
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| 298 | |
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[d9fa60a] | 299 | OPTPRINT( "expandTuples" ); // xxx - is this the right place for this? |
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| 300 | Tuples::expandTuples( translationUnit ); |
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[626dbc10] | 301 | if ( tuplep ) { |
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| 302 | dump( translationUnit ); |
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| 303 | return 0; |
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| 304 | } |
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[141b786] | 305 | |
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[ea5daeb] | 306 | OPTPRINT("instantiateGenerics") |
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| 307 | GenPoly::instantiateGeneric( translationUnit ); |
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[81419b5] | 308 | OPTPRINT( "copyParams" ); |
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[b87a5ed] | 309 | GenPoly::copyParams( translationUnit ); |
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[81419b5] | 310 | OPTPRINT( "convertLvalue" ) |
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[b87a5ed] | 311 | GenPoly::convertLvalue( translationUnit ); |
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[fea7ca7] | 312 | |
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| 313 | if ( bboxp ) { |
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| 314 | dump( translationUnit ); |
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| 315 | return 0; |
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[926af74] | 316 | } // if |
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[81419b5] | 317 | OPTPRINT( "box" ) |
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[b87a5ed] | 318 | GenPoly::box( translationUnit ); |
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[81419b5] | 319 | |
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[8905f56] | 320 | if ( bcodegenp ) { |
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| 321 | dump( translationUnit ); |
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| 322 | return 0; |
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| 323 | } |
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| 324 | |
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[13de47bc] | 325 | if ( optind < argc ) { // any commands after the flags and input file ? => output file name |
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| 326 | output = new ofstream( argv[ optind ] ); |
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| 327 | } // if |
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[0270824] | 328 | |
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[7b15d7a] | 329 | CodeTools::fillLocations( translationUnit ); |
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[c850687] | 330 | CodeGen::generate( translationUnit, *output, ! noprotop, prettycodegenp, true, ! nolinemarks ); |
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[0270824] | 331 | |
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[13de47bc] | 332 | CodeGen::FixMain::fix( *output, treep ? "../prelude/bootloader.c" : CFA_LIBDIR "/bootloader.c" ); |
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[0270824] | 333 | |
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[e6955b1] | 334 | if ( output != &cout ) { |
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[b87a5ed] | 335 | delete output; |
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| 336 | } // if |
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| 337 | } catch ( SemanticError &e ) { |
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| 338 | if ( errorp ) { |
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[e6955b1] | 339 | cerr << "---AST at error:---" << endl; |
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| 340 | dump( translationUnit, cerr ); |
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| 341 | cerr << endl << "---End of AST, begin error message:---\n" << endl; |
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[926af74] | 342 | } // if |
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[e6955b1] | 343 | e.print( cerr ); |
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| 344 | if ( output != &cout ) { |
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[b87a5ed] | 345 | delete output; |
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| 346 | } // if |
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| 347 | return 1; |
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| 348 | } catch ( UnimplementedError &e ) { |
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[e6955b1] | 349 | cout << "Sorry, " << e.get_what() << " is not currently implemented" << endl; |
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| 350 | if ( output != &cout ) { |
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[b87a5ed] | 351 | delete output; |
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| 352 | } // if |
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| 353 | return 1; |
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| 354 | } catch ( CompilerError &e ) { |
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[e6955b1] | 355 | cerr << "Compiler Error: " << e.get_what() << endl; |
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[c850687] | 356 | cerr << "(please report bugs to [REDACTED])" << endl; |
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[e6955b1] | 357 | if ( output != &cout ) { |
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[b87a5ed] | 358 | delete output; |
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| 359 | } // if |
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| 360 | return 1; |
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| 361 | } // try |
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| 362 | |
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[39786813] | 363 | deleteAll( translationUnit ); |
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[b87a5ed] | 364 | return 0; |
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[d9a0e76] | 365 | } // main |
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[51b7345] | 366 | |
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[cbaee0d] | 367 | void parse_cmdline( int argc, char * argv[], const char *& filename ) { |
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[41a7137] | 368 | enum { Ast, Bbox, Bresolver, CtorInitFix, DeclStats, Expr, ExprAlt, Grammar, LibCFA, Nopreamble, Parse, Prototypes, Resolver, Symbol, Tree, TupleExpansion, Validate, }; |
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[0da3e2c] | 369 | |
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| 370 | static struct option long_opts[] = { |
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| 371 | { "ast", no_argument, 0, Ast }, |
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| 372 | { "before-box", no_argument, 0, Bbox }, |
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| 373 | { "before-resolver", no_argument, 0, Bresolver }, |
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| 374 | { "ctorinitfix", no_argument, 0, CtorInitFix }, |
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[41a7137] | 375 | { "decl-stats", no_argument, 0, DeclStats }, |
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[0da3e2c] | 376 | { "expr", no_argument, 0, Expr }, |
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| 377 | { "expralt", no_argument, 0, ExprAlt }, |
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| 378 | { "grammar", no_argument, 0, Grammar }, |
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| 379 | { "libcfa", no_argument, 0, LibCFA }, |
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| 380 | { "no-preamble", no_argument, 0, Nopreamble }, |
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| 381 | { "parse", no_argument, 0, Parse }, |
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| 382 | { "no-prototypes", no_argument, 0, Prototypes }, |
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| 383 | { "resolver", no_argument, 0, Resolver }, |
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| 384 | { "symbol", no_argument, 0, Symbol }, |
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| 385 | { "tree", no_argument, 0, Tree }, |
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[626dbc10] | 386 | { "tuple-expansion", no_argument, 0, TupleExpansion }, |
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[0da3e2c] | 387 | { "validate", no_argument, 0, Validate }, |
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| 388 | { 0, 0, 0, 0 } |
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| 389 | }; // long_opts |
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| 390 | int long_index; |
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| 391 | |
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| 392 | opterr = 0; // (global) prevent getopt from printing error messages |
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| 393 | |
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| 394 | int c; |
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[8905f56] | 395 | while ( (c = getopt_long( argc, argv, "abBcCdefglLmnpqrstTvyzZD:F:", long_opts, &long_index )) != -1 ) { |
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[0da3e2c] | 396 | switch ( c ) { |
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| 397 | case Ast: |
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| 398 | case 'a': // dump AST |
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| 399 | astp = true; |
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| 400 | break; |
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| 401 | case Bresolver: |
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| 402 | case 'b': // print before resolver steps |
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| 403 | bresolvep = true; |
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| 404 | break; |
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[626dbc10] | 405 | case 'B': // print before box steps |
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[0da3e2c] | 406 | bboxp = true; |
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| 407 | break; |
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| 408 | case CtorInitFix: |
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[e39241b] | 409 | case 'c': // print after constructors and destructors are replaced |
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[0da3e2c] | 410 | ctorinitp = true; |
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| 411 | break; |
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[8905f56] | 412 | case 'C': // print before code generation |
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| 413 | bcodegenp = true; |
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| 414 | break; |
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[41a7137] | 415 | case DeclStats: |
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| 416 | case 'd': |
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| 417 | declstatsp = true; |
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| 418 | break; |
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[0da3e2c] | 419 | case Expr: |
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| 420 | case 'e': // dump AST after expression analysis |
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| 421 | exprp = true; |
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| 422 | break; |
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| 423 | case ExprAlt: |
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| 424 | case 'f': // print alternatives for expressions |
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| 425 | expraltp = true; |
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| 426 | break; |
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| 427 | case Grammar: |
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| 428 | case 'g': // bison debugging info (grammar rules) |
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[926af74] | 429 | yydebug = true; |
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[0da3e2c] | 430 | break; |
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| 431 | case LibCFA: |
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| 432 | case 'l': // generate libcfa.c |
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| 433 | libcfap = true; |
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| 434 | break; |
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[c850687] | 435 | case 'L': // surpress lines marks |
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| 436 | nolinemarks = true; |
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| 437 | break; |
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[0da3e2c] | 438 | case Nopreamble: |
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| 439 | case 'n': // do not read preamble |
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| 440 | nopreludep = true; |
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| 441 | break; |
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| 442 | case Prototypes: |
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| 443 | case 'p': // generate prototypes for preamble functions |
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| 444 | noprotop = true; |
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| 445 | break; |
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[3fe34ae] | 446 | case 'm': // don't replace the main |
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| 447 | nomainp = true; |
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| 448 | break; |
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[0da3e2c] | 449 | case Parse: |
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| 450 | case 'q': // dump parse tree |
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| 451 | parsep = true; |
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| 452 | break; |
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| 453 | case Resolver: |
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| 454 | case 'r': // print resolver steps |
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| 455 | resolvep = true; |
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| 456 | break; |
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| 457 | case Symbol: |
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| 458 | case 's': // print symbol table events |
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| 459 | symtabp = true; |
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| 460 | break; |
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| 461 | case Tree: |
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| 462 | case 't': // build in tree |
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| 463 | treep = true; |
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| 464 | break; |
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[626dbc10] | 465 | case TupleExpansion: |
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| 466 | case 'T': // print after tuple expansion |
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| 467 | tuplep = true; |
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| 468 | break; |
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[0da3e2c] | 469 | case 'v': // dump AST after decl validation pass |
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| 470 | validp = true; |
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| 471 | break; |
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[e39241b] | 472 | case 'y': // dump AST on error |
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[0da3e2c] | 473 | errorp = true; |
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| 474 | break; |
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[e39241b] | 475 | case 'z': // dump as codegen rather than AST |
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[0da3e2c] | 476 | codegenp = true; |
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[e39241b] | 477 | break; |
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| 478 | case 'Z': // prettyprint during codegen (i.e. print unmangled names, etc.) |
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[35b1bf4] | 479 | prettycodegenp = true; |
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[0da3e2c] | 480 | break; |
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| 481 | case 'D': // ignore -Dxxx |
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| 482 | break; |
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| 483 | case 'F': // source file-name without suffix |
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| 484 | filename = optarg; |
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| 485 | break; |
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| 486 | case '?': |
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[ae47a23] | 487 | if ( optopt ) { // short option ? |
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| 488 | assertf( false, "Unknown option: -%c\n", (char)optopt ); |
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| 489 | } else { |
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| 490 | assertf( false, "Unknown option: %s\n", argv[optind - 1] ); |
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| 491 | } // if |
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[0da3e2c] | 492 | default: |
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| 493 | abort(); |
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| 494 | } // switch |
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| 495 | } // while |
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| 496 | } // parse_cmdline |
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| 497 | |
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[8b7ee09] | 498 | static void parse( FILE * input, LinkageSpec::Spec linkage, bool shouldExit ) { |
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[0da3e2c] | 499 | extern int yyparse( void ); |
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[cbaee0d] | 500 | extern FILE * yyin; |
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[0da3e2c] | 501 | extern int yylineno; |
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| 502 | |
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[8b7ee09] | 503 | ::linkage = linkage; // set globals |
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[0da3e2c] | 504 | yyin = input; |
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| 505 | yylineno = 1; |
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| 506 | typedefTable.enterScope(); |
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| 507 | int parseStatus = yyparse(); |
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[81419b5] | 508 | |
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| 509 | fclose( input ); |
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[0da3e2c] | 510 | if ( shouldExit || parseStatus != 0 ) { |
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| 511 | exit( parseStatus ); |
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[81419b5] | 512 | } // if |
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[0da3e2c] | 513 | } // parse |
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[81419b5] | 514 | |
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[1ab4ce2] | 515 | static bool notPrelude( Declaration * decl ) { |
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| 516 | return ! LinkageSpec::isBuiltin( decl->get_linkage() ); |
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[0da3e2c] | 517 | } // notPrelude |
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[1ab4ce2] | 518 | |
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[e6955b1] | 519 | static void dump( list< Declaration * > & translationUnit, ostream & out ) { |
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| 520 | list< Declaration * > decls; |
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[926af74] | 521 | |
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[1ab4ce2] | 522 | if ( noprotop ) { |
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[e6955b1] | 523 | filter( translationUnit.begin(), translationUnit.end(), back_inserter( decls ), notPrelude ); |
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[1ab4ce2] | 524 | } else { |
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| 525 | decls = translationUnit; |
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[926af74] | 526 | } // if |
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[1ab4ce2] | 527 | |
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[e39241b] | 528 | // depending on commandline options, either generate code or dump the AST |
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| 529 | if ( codegenp ) { |
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| 530 | CodeGen::generate( decls, out, ! noprotop, prettycodegenp ); |
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| 531 | } else { |
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| 532 | printAll( decls, out ); |
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| 533 | } |
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[7f5566b] | 534 | deleteAll( translationUnit ); |
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[0da3e2c] | 535 | } // dump |
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[1ab4ce2] | 536 | |
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[51b7345] | 537 | // Local Variables: // |
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[b87a5ed] | 538 | // tab-width: 4 // |
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| 539 | // mode: c++ // |
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| 540 | // compile-command: "make install" // |
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[51b7345] | 541 | // End: // |
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