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/* valaccodebinaryexpression.vala
*
* Copyright (C) 2006-2008 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
/**
* Represents an expression with two operands in C code.
*/
public class Vala.CCodeBinaryExpression : CCodeExpression {
/**
* The binary operator.
*/
public CCodeBinaryOperator operator { get; set; }
/**
* The left operand.
*/
public CCodeExpression left { get; set; }
/**
* The right operand.
*/
public CCodeExpression right { get; set; }
public CCodeBinaryExpression (CCodeBinaryOperator op, CCodeExpression l, CCodeExpression r) {
operator = op;
left = l;
right = r;
}
public override void write (CCodeWriter writer) {
left.write_inner (writer);
switch (operator) {
case CCodeBinaryOperator.PLUS: writer.write_string (" + "); break;
case CCodeBinaryOperator.MINUS: writer.write_string (" - "); break;
case CCodeBinaryOperator.MUL: writer.write_string (" * "); break;
case CCodeBinaryOperator.DIV: writer.write_string (" / "); break;
case CCodeBinaryOperator.MOD: writer.write_string (" % "); break;
case CCodeBinaryOperator.SHIFT_LEFT: writer.write_string (" << "); break;
case CCodeBinaryOperator.SHIFT_RIGHT: writer.write_string (" >> "); break;
case CCodeBinaryOperator.LESS_THAN: writer.write_string (" < "); break;
case CCodeBinaryOperator.GREATER_THAN: writer.write_string (" > "); break;
case CCodeBinaryOperator.LESS_THAN_OR_EQUAL: writer.write_string (" <= "); break;
case CCodeBinaryOperator.GREATER_THAN_OR_EQUAL: writer.write_string (" >= "); break;
case CCodeBinaryOperator.EQUALITY: writer.write_string (" == "); break;
case CCodeBinaryOperator.INEQUALITY: writer.write_string (" != "); break;
case CCodeBinaryOperator.BITWISE_AND: writer.write_string (" & "); break;
case CCodeBinaryOperator.BITWISE_OR: writer.write_string (" | "); break;
case CCodeBinaryOperator.BITWISE_XOR: writer.write_string (" ^ "); break;
case CCodeBinaryOperator.AND: writer.write_string (" && "); break;
case CCodeBinaryOperator.OR: writer.write_string (" || "); break;
default: assert_not_reached ();
}
right.write_inner (writer);
}
public override void write_inner (CCodeWriter writer) {
writer.write_string ("(");
this.write (writer);
writer.write_string (")");
}
}
public enum Vala.CCodeBinaryOperator {
PLUS,
MINUS,
MUL,
DIV,
MOD,
SHIFT_LEFT,
SHIFT_RIGHT,
LESS_THAN,
GREATER_THAN,
LESS_THAN_OR_EQUAL,
GREATER_THAN_OR_EQUAL,
EQUALITY,
INEQUALITY,
BITWISE_AND,
BITWISE_OR,
BITWISE_XOR,
AND,
OR
}
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