Lines Matching defs:token

269 	  throw new Exception("Invalid token at position: $i");
274 function ebnf_check_token($token, $type, $value) {
275   return $token['type']==$type && $token['value']==$value;
283   $i = 0; $token = $tokens[$i++];
284   if ($token['type'] == EBNF_LITERAL_TOKEN) {
286       stripcslashes(substr($token['value'], 1, strlen($token['value'])-2 )));
287     $token = $tokens[$i++];
289   if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '{') )
290     throw new Exception("Syntax must start with '{': {$token['pos']}");
291   $token = $tokens[$i];
292   while ($i < count($tokens) && $token['type'] == EBNF_IDENTIFIER_TOKEN) {
294     if ($i<count($tokens)) $token = $tokens[$i];
295   } $i++; if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '}'))
298     $token = $tokens[$i];
299     if ($token['type'] == EBNF_LITERAL_TOKEN) {
301         stripcslashes(substr($token['value'], 1, strlen($token['value'])-2 )));
308   $token = $tokens[$i++];
309   if ($token['type']!=EBNF_IDENTIFIER_TOKEN)
310     throw new Exception("Production must start with an identifier'{': {$token['pos']}");
312   $production->setAttribute('name', $token['value']);
313   $token = $tokens[$i++];
314   if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, "="))
315     throw new Exception("Identifier must be followed by '=': {$token['pos']}");
317   $token = $tokens[$i++];
318   if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '.')
319     && !ebnf_check_token($token, EBNF_OPERATOR_TOKEN, ';'))
320     throw new Exception("Rule must end with '.' or ';' : {$token['pos']}");
327   $token=$tokens[$i]; $mul = false;
328   while (ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '|')) {
331     $token=$tokens[$i]; $mul = true;
339   $token=$tokens[$i]; $mul = false;
340   while ($token['value']!='.' && $token['value']!='=' && $token['value']!='|'
341     && $token['value']!=')' && $token['value']!=']' && $token['value']!='}') {
343     $token=$tokens[$i]; $mul = true;
348   $token = $tokens[$i++];
349   if ($token['type']==EBNF_IDENTIFIER_TOKEN) {
351     $identifier->setAttribute('value', $token['value']);
353   } if ($token['type']==EBNF_LITERAL_TOKEN){
355     $literal->setAttribute('value', stripcslashes(substr($token['value'], 1, strlen($token['value'])-2 )));
357   } if (ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '(')) {
359     $token = $tokens[$i++];
360     if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, ')'))
361       throw new Exception("Group must end with ')': {$token['pos']}");
363   } if (ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '[')) {
366     $token = $tokens[$i++];
367     if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, ']'))
368       throw new Exception("Option must end with ']': {$token['pos']}");
370   } if (ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '{')) {
373     $token = $tokens[$i++];
374     if (!ebnf_check_token($token, EBNF_OPERATOR_TOKEN, '}'))
375       throw new Exception("Loop must end with '}': {$token['pos']}");
378   throw new Exception("Factor expected: {$token['pos']}");