+/*******************************************************************************
+ 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;
+}