Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright © 2010 Intel Corporation
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20.  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21.  * DEALINGS IN THE SOFTWARE.
  22.  */
  23. #include <stdio.h>
  24. #include <assert.h>
  25. #include "ast.h"
  26.  
  27. const char *
  28. ast_expression::operator_string(enum ast_operators op)
  29. {
  30.    static const char *const operators[] = {
  31.       "=",
  32.       "+",
  33.       "-",
  34.       "+",
  35.       "-",
  36.       "*",
  37.       "/",
  38.       "%",
  39.       "<<",
  40.       ">>",
  41.       "<",
  42.       ">",
  43.       "<=",
  44.       ">=",
  45.       "==",
  46.       "!=",
  47.       "&",
  48.       "^",
  49.       "|",
  50.       "~",
  51.       "&&",
  52.       "^^",
  53.       "||",
  54.       "!",
  55.  
  56.       "*=",
  57.       "/=",
  58.       "%=",
  59.       "+=",
  60.       "-=",
  61.       "<<=",
  62.       ">>=",
  63.       "&=",
  64.       "^=",
  65.       "|=",
  66.  
  67.       "?:",
  68.  
  69.       "++",
  70.       "--",
  71.       "++",
  72.       "--",
  73.       ".",
  74.    };
  75.  
  76.    assert((unsigned int)op < sizeof(operators) / sizeof(operators[0]));
  77.  
  78.    return operators[op];
  79. }
  80.  
  81.  
  82. ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0,
  83.                                        ast_expression *ex1) :
  84.    ast_expression(oper, ex0, ex1, NULL)
  85. {
  86.    assert((oper >= ast_plus) && (oper <= ast_logic_not));
  87. }
  88.  
  89.  
  90. void
  91. ast_expression_bin::print(void) const
  92. {
  93.    subexpressions[0]->print();
  94.    printf("%s ", operator_string(oper));
  95.    subexpressions[1]->print();
  96. }
  97.