git.m6w6.name Git - m6w6/ext-psi/blob - scripts/gen_calc_oper.php

   1 <?php
   2
   3 include __DIR__."/_include.php";
   4
   5 $oper = [
   6                 ["NOT", "TILDE"],
   7                 ["ASTERISK", "SLASH", "MODULO"],
   8                 ["PLUS", "MINUS"],
   9                 ["LSHIFT", "RSHIFT"],
  10                 ["LCHEVR", "CMP_LE", "RCHEVR", "CMP_GE"],
  11                 ["AMPERSAND"],
  12                 ["CMP_EQ", "CMP_NE"],
  13                 ["CARET"],
  14                 ["PIPE"],
  15                 ["AND"],
  16                 ["OR"]
  17 ];
  18
  19 ?>
  20
  21
  22 static inline int psi_calc_oper(token_t op1, token_t op2)
  23 {
  24         if (PSI_T_LPAREN == op2) {
  25                 return -1;
  26         } else if (PSI_T_LPAREN == op1) {
  27                 return 1;
  28         } else if (op1 == op2) {
  29                 return 0;
  30         } else if (!op1) {
  31                 return 1;
  32         } else if (!op2) {
  33                 return -1;
  34         }
  35
  36         switch (op1) {<?php /*nobr*/ ?>
  37         <?php foreach ($oper as $prec1 => $ops1) : ?>
  38         <?php foreach ($ops1 as $op1) : ?>
  39
  40         case PSI_T_<?=$op1?>:
  41                 switch (op2) {<?php /*nobr*/ ?>
  42                 <?php foreach ($oper as $prec2 => $ops2) : ?>
  43                         <?php foreach ($ops2 as $op2) : ?>
  44
  45                 case PSI_T_<?=$op2?>:
  46                         return <?=$prec1==$prec2?0:($prec1>$prec2?1:-1)?>;<?php /*nobr */ ?>
  47                         <?php endforeach; ?>
  48                 <?php endforeach; ?>
  49
  50                 default:
  51                         assert(0);
  52                         break;
  53                 }
  54                 break;
  55         <?php endforeach; ?>
  56         <?php endforeach; ?>
  57
  58         default:
  59                 assert(0);
  60                 break;
  61         }
  62         return 0;
  63 }