/**
* 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 {
$this->scanner->back();
}
}
echo "Neni splnena minimalni verze PHP 5.5";
exit(15);
}
require_once __DIR__ . '/lib/debug.php';
require_once __DIR__ . '/scanner/Scanner.php';
require_once __DIR__ . '/parser/Parser.php';
require_once __DIR__ . '/precedence/Precedence.php';
if ($argc < 2) {
die("Wrong argument count. Usage is:\n\t./app source.php [--precedence]\n\tor\n\t./app folder");
}
try {
$scanner = new Scanner($argv[1]);
if ($argc > 2 and $argv[2] == '--precedence') {
$scanner->next();
// Skip open tag
$precedence = new Precedence($scanner);
$precedence->run();
echo "Generated expression: " . $precedence->getCode() . "\n";
} else {
$parser = new Parser($scanner);
$parser->parse_file();
}
} catch (EndOfFileException $e) {
echo "Code:\n\n\n";
$code = $parser->generator->getCode();
file_put_contents('test.cpp', $code);
echo $code;
echo "\n\n\nDone\n";
} catch (PrecedenceException $e) {
echo "Precedence errror\n";
echo $e;
