stenin-nikita / PHP-Yacc

src/Lalr/Generator.php

Upper-Lower-Casing +4 added lines, -4 removed lines

@@ -564,8 +564,8 @@ 
                 /** @var Symbol $left */
                 $left = $gram->body[0];
                 $right = $gram->body[1] ?? null;
-                if (($right === null || ($right->associativity & Production::EMPTY)) && !($left->associativity & Production::EMPTY)) {
-                    $left->setAssociativityFlag(Production::EMPTY);
+                if (($right === null || ($right->associativity & Production::empty)) && !($left->associativity & Production::empty)) {
+                    $left->setAssociativityFlag(Production::empty);
                     $changed = true;
                 }
             }
@@ -574,7 +574,7 @@ 
         if ($this->context->debug) {
             $this->context->debug('EMPTY nonterminals: ');
             foreach ($this->context->nonterminals as $symbol) {
-                if ($symbol->associativity & Production::EMPTY) {
+                if ($symbol->associativity & Production::empty) {
                     $this->context->debug(' '.$symbol->name);
                 }
             }
@@ -681,7 +681,7 @@ 
      */
     protected function findEmpty(Lr1 $tail, Symbol $x): Lr1
     {
-        if (!$this->visited[$x->code] && ($x->associativity & Production::EMPTY)) {
+        if (!$this->visited[$x->code] && ($x->associativity & Production::empty)) {
             $this->visited[$x->code] = true;
 
             /** @var Production $gram */

src/Lalr/Item.php

Upper-Lower-Casing +1 added lines, -1 removed lines

@@ -78,7 +78,7 @@
     public function offsetGet($index)
     {
         if (!$this->offsetExists($index)) {
-            throw new \LogicException("Offset $index does not exist");
+            throw new \LogicException("offset $index does not exist");
         }
 
         return $this->production->body[$index + $this->pos];

src/Yacc/Parser.php

Upper-Lower-Casing +1 added lines, -1 removed lines

@@ -272,7 +272,7 @@
                 continue;
             }
             if (($j = $symbol->value) === null) {
-                throw new ParseException("Nonterminal {$symbol->name} used but not defined");
+                throw new ParseException("nonterminal {$symbol->name} used but not defined");
             }
             $k = null;
             while ($j) {

src/Yacc/Production.php

Upper-Lower-Casing +1 added lines, -1 removed lines

@@ -16,7 +16,7 @@
  */
 class Production
 {
-    const EMPTY = 0x10;
+    const empty = 0x10;
 
     /**
      * @var Production|null