diff options
author | Ian Romanick <ian.d.romanick@intel.com> | 2010-02-22 19:10:25 -0800 |
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committer | Ian Romanick <ian.d.romanick@intel.com> | 2010-02-22 19:10:25 -0800 |
commit | 88349b22caa0ab0b44188dbb9e002549aadb0590 (patch) | |
tree | e308a20dca7272e48a4de3539708e0f0cf2c3d9a /ast_expr.cpp | |
parent | 89227f6ce40aa34d77fb61edbd32e522afc6e493 (diff) |
Add ast_expression_bin subclass of ast_expression
The ast_expression_bin subclass is used for all binary expressions
such as addition, subtraction, and comparisons. Several other
subclasses are soon to follow.
Diffstat (limited to 'ast_expr.cpp')
-rw-r--r-- | ast_expr.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ast_expr.cpp b/ast_expr.cpp new file mode 100644 index 00000000000..ad29cdc68d7 --- /dev/null +++ b/ast_expr.cpp @@ -0,0 +1,92 @@ +/* + * Copyright © 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <cstdio> +#include <cassert> +#include "ast.h" + +const char * +ast_expression::operator_string(enum ast_operators op) +{ + static const char *const operators[] = { + "=", + "+", + "-", + "+", + "-", + "*", + "/", + "%", + "<<", + ">>", + "<", + ">", + "<=", + ">=", + "==", + "!=", + "&", + "^", + "|", + "~", + "&&", + "^^", + "!", + + "*=", + "/=", + "%=", + "+=", + "-=", + "<<=", + ">>=", + "&=", + "^=", + "|=", + + "?:", + "++", + "--", + "++", + "--", + ".", + }; + + return operators[op]; +} + + +ast_expression_bin::ast_expression_bin(int oper, ast_expression *ex0, + ast_expression *ex1) : + ast_expression(oper, ex0, ex1, NULL) +{ + assert((oper >= ast_plus) && (oper <= ast_logic_not)); +} + + +void +ast_expression_bin::print(void) const +{ + subexpressions[0]->print(); + printf("%s ", operator_string(oper)); + subexpressions[1]->print(); +} |