X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcalc%2Foper.h;fp=src%2Fcalc%2Foper.h;h=cf86b18b2fb2198300d79c32628126355eb90f8b;hb=52ed5940ed0ab3cafd36fbded2e83c92563e7b2b;hp=0000000000000000000000000000000000000000;hpb=acb84297d3ceeb57c97e0ac4da1881eba6aee18e;p=m6w6%2Fext-psi

diff --git a/src/calc/oper.h b/src/calc/oper.h
new file mode 100644
index 0000000..cf86b18
--- /dev/null
+++ b/src/calc/oper.h
@@ -0,0 +1,1011 @@
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+     * Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+     * Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "php_psi_stdinc.h"
+#include <assert.h>
+
+#include "token.h"
+
+static inline int psi_calc_oper(token_t op1, token_t op2)
+{
+	if (PSI_T_LPAREN == op2) {
+		return -1;
+	} else if (PSI_T_LPAREN == op1) {
+		return 1;
+	} else if (op1 == op2) {
+		return 0;
+	} else if (!op1) {
+		return 1;
+	} else if (!op2) {
+		return -1;
+	}
+
+	switch (op1) {
+	case PSI_T_NOT:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 0;
+		case PSI_T_TILDE:
+			return 0;
+		case PSI_T_ASTERISK:
+			return -1;
+		case PSI_T_SLASH:
+			return -1;
+		case PSI_T_MODULO:
+			return -1;
+		case PSI_T_PLUS:
+			return -1;
+		case PSI_T_MINUS:
+			return -1;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_TILDE:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 0;
+		case PSI_T_TILDE:
+			return 0;
+		case PSI_T_ASTERISK:
+			return -1;
+		case PSI_T_SLASH:
+			return -1;
+		case PSI_T_MODULO:
+			return -1;
+		case PSI_T_PLUS:
+			return -1;
+		case PSI_T_MINUS:
+			return -1;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_ASTERISK:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 0;
+		case PSI_T_SLASH:
+			return 0;
+		case PSI_T_MODULO:
+			return 0;
+		case PSI_T_PLUS:
+			return -1;
+		case PSI_T_MINUS:
+			return -1;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_SLASH:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 0;
+		case PSI_T_SLASH:
+			return 0;
+		case PSI_T_MODULO:
+			return 0;
+		case PSI_T_PLUS:
+			return -1;
+		case PSI_T_MINUS:
+			return -1;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_MODULO:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 0;
+		case PSI_T_SLASH:
+			return 0;
+		case PSI_T_MODULO:
+			return 0;
+		case PSI_T_PLUS:
+			return -1;
+		case PSI_T_MINUS:
+			return -1;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_PLUS:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 0;
+		case PSI_T_MINUS:
+			return 0;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_MINUS:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 0;
+		case PSI_T_MINUS:
+			return 0;
+		case PSI_T_LSHIFT:
+			return -1;
+		case PSI_T_RSHIFT:
+			return -1;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_LSHIFT:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 0;
+		case PSI_T_RSHIFT:
+			return 0;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_RSHIFT:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 0;
+		case PSI_T_RSHIFT:
+			return 0;
+		case PSI_T_LCHEVR:
+			return -1;
+		case PSI_T_CMP_LE:
+			return -1;
+		case PSI_T_RCHEVR:
+			return -1;
+		case PSI_T_CMP_GE:
+			return -1;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_LCHEVR:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 0;
+		case PSI_T_CMP_LE:
+			return 0;
+		case PSI_T_RCHEVR:
+			return 0;
+		case PSI_T_CMP_GE:
+			return 0;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_CMP_LE:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 0;
+		case PSI_T_CMP_LE:
+			return 0;
+		case PSI_T_RCHEVR:
+			return 0;
+		case PSI_T_CMP_GE:
+			return 0;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_RCHEVR:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 0;
+		case PSI_T_CMP_LE:
+			return 0;
+		case PSI_T_RCHEVR:
+			return 0;
+		case PSI_T_CMP_GE:
+			return 0;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_CMP_GE:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 0;
+		case PSI_T_CMP_LE:
+			return 0;
+		case PSI_T_RCHEVR:
+			return 0;
+		case PSI_T_CMP_GE:
+			return 0;
+		case PSI_T_AMPERSAND:
+			return -1;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_AMPERSAND:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 0;
+		case PSI_T_CMP_EQ:
+			return -1;
+		case PSI_T_CMP_NE:
+			return -1;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_CMP_EQ:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 0;
+		case PSI_T_CMP_NE:
+			return 0;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_CMP_NE:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 0;
+		case PSI_T_CMP_NE:
+			return 0;
+		case PSI_T_CARET:
+			return -1;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_CARET:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 1;
+		case PSI_T_CMP_NE:
+			return 1;
+		case PSI_T_CARET:
+			return 0;
+		case PSI_T_PIPE:
+			return -1;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_PIPE:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 1;
+		case PSI_T_CMP_NE:
+			return 1;
+		case PSI_T_CARET:
+			return 1;
+		case PSI_T_PIPE:
+			return 0;
+		case PSI_T_AND:
+			return -1;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_AND:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 1;
+		case PSI_T_CMP_NE:
+			return 1;
+		case PSI_T_CARET:
+			return 1;
+		case PSI_T_PIPE:
+			return 1;
+		case PSI_T_AND:
+			return 0;
+		case PSI_T_OR:
+			return -1;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	case PSI_T_OR:
+		switch (op2) {
+		case PSI_T_NOT:
+			return 1;
+		case PSI_T_TILDE:
+			return 1;
+		case PSI_T_ASTERISK:
+			return 1;
+		case PSI_T_SLASH:
+			return 1;
+		case PSI_T_MODULO:
+			return 1;
+		case PSI_T_PLUS:
+			return 1;
+		case PSI_T_MINUS:
+			return 1;
+		case PSI_T_LSHIFT:
+			return 1;
+		case PSI_T_RSHIFT:
+			return 1;
+		case PSI_T_LCHEVR:
+			return 1;
+		case PSI_T_CMP_LE:
+			return 1;
+		case PSI_T_RCHEVR:
+			return 1;
+		case PSI_T_CMP_GE:
+			return 1;
+		case PSI_T_AMPERSAND:
+			return 1;
+		case PSI_T_CMP_EQ:
+			return 1;
+		case PSI_T_CMP_NE:
+			return 1;
+		case PSI_T_CARET:
+			return 1;
+		case PSI_T_PIPE:
+			return 1;
+		case PSI_T_AND:
+			return 1;
+		case PSI_T_OR:
+			return 0;
+		default:
+			assert(0);
+			break;
+		}
+		break;
+
+	default:
+		assert(0);
+		break;
+	}
+	return 0;
+}