/**
* Compile the $code and return the "opcodes"
* (the Abstract syntax tree).
*
* @param string $code Template content
* @param string $file File path (used for erro reporting)
*
* @return Haanga_AST
*
*/
public function getOpCodes($code, $file)
{
$oldfile = $this->file;
$this->file = $file;
$parsed = Haanga_Compiler_Tokenizer::init($code, $this, $file);
$body = new Haanga_AST();
if (isset($parsed[0]) && $parsed[0]['operation'] == 'base') {
throw new Exception("{% base is not supported on inlines %}");
}
$body = new Haanga_AST();
$this->generate_op_code($parsed, $body);
$this->file = $oldfile;
return $body;
}
static function init($template, $compiler, $file = '')
{
$lexer = new Haanga_Compiler_Tokenizer($template, $compiler, $file);
$parser = new Haanga_Compiler_Parser($lexer, $file);
$parser->compiler = $compiler;
try {
for ($i = 0;; $i++) {
if (!$lexer->yylex()) {
break;
}
$parser->doParse($lexer->token, $lexer->value);
}
} catch (Exception $e) {
/* destroy the parser */
try {
$parser->doParse(0, 0);
} catch (Exception $y) {
}
throw $e;
/* re-throw exception */
}
$parser->doParse(0, 0);
return (array) $parser->body;
}
