/**
* if(<expr>) [{] <code> [}] [elseif(<expr>) { <code> }]+ [else { <code> }]
*
* @param $codeGenerator
*/
public function parse_if(CodeGenerator $codeGenerator)
{
// 'if' eaten
$prec = new Precedence($this->scanner);
$prec->run();
// If
$token = $this->scanner->next();
$bodyCode = new CodeGenerator($codeGenerator->getIndent() + 1, $codeGenerator->getScope());
if ($token['code'] == T_LCURLY_PARENTHESIS) {
$this->parse_body($bodyCode);
$this->check(T_RCURLY_PARENTHESIS);
} else {
$this->scanner->back();
$this->parser_command($bodyCode);
}
$codeGenerator->addIf(new ExprGenerator($prec->getData(), $codeGenerator->getScope()), $bodyCode);
//$codeGenerator->addVariables($prec->getUsedVariables());
// Elseif
$token = $this->scanner->next();
while ($token['code'] == T_ELSEIF) {
$prec = new Precedence($this->scanner);
$prec->run();
$token = $this->scanner->next();
$bodyCode = new CodeGenerator($codeGenerator->getIndent() + 1, $codeGenerator->getScope());
if ($token['code'] == T_LCURLY_PARENTHESIS) {
$this->parse_body($bodyCode);
$this->check(T_RCURLY_PARENTHESIS);
} else {
$this->scanner->back();
$this->parser_command($bodyCode);
}
//$codeGenerator->addVariables($prec->getUsedVariables());
$codeGenerator->addElseif(new ExprGenerator($prec->getData(), $codeGenerator->getScope()), $bodyCode);
$token = $this->scanner->next();
}
// else
if ($token['code'] == T_ELSE) {
$token = $this->scanner->next();
$bodyCode = new CodeGenerator($codeGenerator->getIndent() + 1, $codeGenerator->getScope());
if ($token['code'] == T_LCURLY_PARENTHESIS) {
$this->parse_body($bodyCode);
$this->check(T_RCURLY_PARENTHESIS);
} else {
$this->scanner->back();
$this->parser_command($bodyCode);
}
//$codeGenerator->addVariables($prec->getUsedVariables());
$codeGenerator->addElse($bodyCode);
} else {
$this->scanner->back();
}
}