nordth / php-pegjs Goto Github PK

if I include a n-long dash in the grammar ("–") I'm getting a parse error that "\u2013" is expected but "–" was found

Syntax error: Expected " ", "\u2013" or end of input but "–" found. At line 1 column 7 offset 6

I'm not that familiar with php support for unicode, what should I do to parse input with "–"?

i've got a pet grammar

start = digits:[0-9]+ {
  return intval(join('', $digits));
}

include "pet.php";
try {
    $parser = new PhpPegJs\Parser;
    $result = $parser->parse('26');
    $result = $parser->parse('27'); // HERE IT CHOKES
} catch (PhpPegJs\SyntaxError $ex) {
    $message = "Syntax error: " . $ex->getMessage() . ' At line ' . $ex->grammarLine . ' column ' . $ex->grammarColumn . ' offset ' . $ex->grammarOffset . "\n";
    echo $message;
}

Syntax error: Expected [0-9] but end of input found. At line 1 column 3 offset 2

this is independent of the grammar I use

{f1: "val1", f2: "val2"] array("val1", "val2")
This row and the second one are mixed.

For example,

$callback from the grammar at https://github.com/auth0/node-odata-parser/blob/master/src/odata.pegjs on line 182.

results in

$this->peg_c117 = "$callback=";
$this->peg_c118 = array( "type" => "literal", "value" => "$callback=", "description" => "\"$callback=\"" );

but should result in

$this->peg_c117 = "\$callback=";
$this->peg_c118 = array( "type" => "literal", "value" => "\$callback=", "description" => "\"\$callback=\"" );

Without the escaped character, PHP tries to interpret $callback as a variable since it is in a double-quote string.