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C-Breeze C Compiler Infrastructure [ Project home page] |
operators.cc
Go to the documentation of this file.00001 // $Id: operators.cc,v 1.6 2003/08/07 23:13:10 pnav Exp $ 00002 // ---------------------------------------------------------------------- 00003 // 00004 // C-Breeze 00005 // C Compiler Framework 00006 // 00007 // Copyright (c) 2000 University of Texas at Austin 00008 // 00009 // Samuel Z. Guyer 00010 // Daniel A. Jimenez 00011 // Calvin Lin 00012 // 00013 // Permission is hereby granted, free of charge, to any person 00014 // obtaining a copy of this software and associated documentation 00015 // files (the "Software"), to deal in the Software without 00016 // restriction, including without limitation the rights to use, copy, 00017 // modify, merge, publish, distribute, sublicense, and/or sell copies 00018 // of the Software, and to permit persons to whom the Software is 00019 // furnished to do so, subject to the following conditions: 00020 // 00021 // The above copyright notice and this permission notice shall be 00022 // included in all copies or substantial portions of the Software. 00023 // 00024 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00025 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00026 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00027 // NONINFRINGEMENT. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT 00028 // AUSTIN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 00029 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 00030 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00031 // THE SOFTWARE. 00032 // 00033 // We acknowledge the C-to-C Translator from MIT Laboratory for 00034 // Computer Science for inspiring parts of the C-Breeze design. 00035 // 00036 // ---------------------------------------------------------------------- 00037 00038 #include "c_breeze.h" 00039 00040 operator_map Operators::table; 00041 00042 void Operators::init() 00043 { 00044 table[Operator::ARROW] = new Operator(Operator::ARROW, "->", "ARROW", 0, 15); 00045 table['.'] = new Operator('.', ".", "DOT", 0, 15); 00046 00047 table['!'] = new Operator('!', "!", "not", 14, 0); 00048 table['~'] = new Operator('~', "~", "bitnot", 14, 0); 00049 table[Operator::ICR] = new Operator(Operator::ICR, "++", "ICR", 14, 0); 00050 table[Operator::POSTINC] = new Operator(Operator::POSTINC, "++", "postinc", 14, 0); 00051 table[Operator::PREINC] = new Operator(Operator::PREINC, "++", "preinc", 14, 0); 00052 table[Operator::DECR] = new Operator(Operator::DECR, "--", "DECR", 14, 0); 00053 table[Operator::POSTDEC] = new Operator(Operator::POSTDEC, "--", "postdec", 14, 0); 00054 table[Operator::PREDEC] = new Operator(Operator::PREDEC, "--", "predec", 14, 0); 00055 00056 table[Operator::SIZEOF] = new Operator(Operator::SIZEOF, "sizeof", "sizeof", 14, 0); 00057 00058 table[Operator::ADDRESS] = new Operator(Operator::ADDRESS, "&", "addrof", 14, 0); 00059 table[Operator::INDIR] = new Operator(Operator::INDIR, "*", "indir", 14, 0); 00060 table[Operator::UPLUS] = new Operator(Operator::UPLUS, "+", "UPLUS", 14, 0); 00061 table[Operator::UMINUS] = new Operator(Operator::UMINUS, "-", "neg", 14, 0); 00062 00063 table['*'] = new Operator('*', "*", "mul", 0, 13); 00064 table['/'] = new Operator('/', "/", "div", 0, 13); 00065 table['%'] = new Operator('%', "%", "mod", 0, 13); 00066 00067 table['+'] = new Operator('+', "+", "add", 0, 12); 00068 table['-'] = new Operator('-', "-", "sub", 0, 12); 00069 00070 table[Operator::LS] = new Operator(Operator::LS, "<<", "lsh", 0, 11); 00071 table[Operator::RS] = new Operator(Operator::RS, ">>", "rsh", 0, 11); 00072 00073 table['<'] = new Operator('<', "<", "lt", 0, 10); 00074 table['>'] = new Operator('>', ">", "gt", 0, 10); 00075 table[Operator::LE] = new Operator(Operator::LE, "<=", "le", 0, 10); 00076 table[Operator::GE] = new Operator(Operator::GE, ">=", "ge", 0, 10); 00077 00078 table[Operator::EQ] = new Operator(Operator::EQ, "==", "eq", 0, 9); 00079 table[Operator::NE] = new Operator(Operator::NE, "!=", "ne", 0, 9); 00080 00081 table['&'] = new Operator('&', "&", "band", 0, 8); 00082 00083 table['^'] = new Operator('^', "^", "bxor", 0, 7); 00084 00085 table['|'] = new Operator('|', "|", "bor", 0, 6); 00086 00087 table[Operator::ANDAND] = new Operator(Operator::ANDAND, "&&", "and", 0, 5); 00088 table[Operator::OROR] = new Operator(Operator::OROR, "||", "or", 0, 4); 00089 00090 table['='] = new Operator('=', "=", "asgn" , 0, 2, false); 00091 table[Operator::MULTassign] = new Operator(Operator::MULTassign, "*=", "*=", 0, 2, false); 00092 table[Operator::DIVassign] = new Operator(Operator::DIVassign, "/=", "/=", 0, 2, false); 00093 table[Operator::MODassign] = new Operator(Operator::MODassign, "%=", "%=", 0, 2, false); 00094 table[Operator::PLUSassign] = new Operator(Operator::PLUSassign, "+=", "+=", 0, 2, false); 00095 table[Operator::MINUSassign] = new Operator(Operator::MINUSassign, "-=", "-=", 0, 2, false); 00096 table[Operator::LSassign] = new Operator(Operator::LSassign, "<<=", "<<=", 0, 2, false); 00097 table[Operator::RSassign] = new Operator(Operator::RSassign, ">>=", ">>=", 0, 2, false); 00098 table[Operator::ANDassign] = new Operator(Operator::ANDassign, "&=", "&=", 0, 2, false); 00099 table[Operator::ERassign] = new Operator(Operator::ERassign, "^=", "^=", 0, 2, false); 00100 table[Operator::ORassign] = new Operator(Operator::ORassign, "|=", "|=", 0, 2, false); 00101 00102 table[Operator::Index] = new Operator(Operator::Index, "[]", "index", 0, 14 ); 00103 table[Operator::FUNC_CALL] = new Operator(Operator::FUNC_CALL, "()", "call", 0, 14); 00104 } 00105 00106 00107 bool Operator::is_assignment() const 00108 { 00109 switch (_id) { 00110 case '=': 00111 case Operator::MULTassign: 00112 case Operator::DIVassign: 00113 case Operator::MODassign: 00114 case Operator::PLUSassign: 00115 case Operator::MINUSassign: 00116 case Operator::LSassign: 00117 case Operator::RSassign: 00118 case Operator::ANDassign: 00119 case Operator::ERassign: 00120 case Operator::ORassign: 00121 return true; 00122 default: 00123 return false; 00124 } 00125 } 00126 00127 bool Operator::is_comparison() const 00128 { 00129 switch (_id) { 00130 case Operator::EQ: 00131 case Operator::NE: 00132 case '<': 00133 case Operator::LE: 00134 case '>': 00135 case Operator::GE: 00136 return true; 00137 default: 00138 return false; 00139 } 00140 } 00141 00142 bool Operator::is_unary() const 00143 { 00144 switch ( _id ) { 00145 case Operator::SIZEOF: 00146 case Operator::UPLUS: 00147 case Operator::UMINUS: 00148 case Operator::INDIR: 00149 case Operator::ADDRESS: 00150 case Operator::POSTINC: 00151 case Operator::POSTDEC: 00152 case Operator::PREINC: 00153 case Operator::PREDEC: 00154 case '!': 00155 case '~': 00156 return true; 00157 default: 00158 return false; 00159 } 00160 } 00161 00162 bool Operator::is_arithmetic() const 00163 { 00164 switch (_id) { 00165 case '+': 00166 case '-': 00167 case '*': 00168 case '/': 00169 case '%': 00170 case '|': 00171 case '&': 00172 case '^': 00173 case Operator::ANDAND: 00174 case Operator::OROR: 00175 case Operator::LS: 00176 case Operator::RS: 00177 return true; 00178 default: 00179 return false; 00180 } 00181 } 00182 00183 bool Operator::is_binary() const 00184 { 00185 switch (_id) { 00186 case Operator::ARROW: 00187 case '.': 00188 case '*': 00189 case '/': 00190 case '%': 00191 case '+': 00192 case '-': 00193 case Operator::LS: 00194 case Operator::RS: 00195 case '<': 00196 case '>': 00197 case Operator::LE: 00198 case Operator::GE: 00199 case Operator::EQ: 00200 case Operator::NE: 00201 case '&': 00202 case '^': 00203 case '|': 00204 case Operator::ANDAND: 00205 case Operator::OROR: 00206 case '=': 00207 case Operator::MULTassign: 00208 case Operator::DIVassign: 00209 case Operator::MODassign: 00210 case Operator::PLUSassign: 00211 case Operator::MINUSassign: 00212 case Operator::LSassign: 00213 case Operator::RSassign: 00214 case Operator::ANDassign: 00215 case Operator::ERassign: 00216 case Operator::ORassign: 00217 case Operator::Index: 00218 return true; 00219 default: 00220 return false; 00221 } 00222 } 00223 00224 bool Operator::is_dismantled_binary() const { 00225 switch (_id) { 00226 case '*': 00227 case '/': 00228 case '%': 00229 case '+': 00230 case '-': 00231 case Operator::LS: 00232 case Operator::RS: 00233 case '<': 00234 case '>': 00235 case Operator::LE: 00236 case Operator::GE: 00237 case Operator::EQ: 00238 case Operator::NE: 00239 case '&': 00240 case '^': 00241 case '|': 00242 return true; 00243 default: 00244 return false; 00245 } 00246 }