QuackCompiler\Parser\Grammar::_stmt PHP Method

    public function _stmt()
    {
        $branch_table = [Tag::T_IF => '_ifStmt', Tag::T_LET => '_letStmt', Tag::T_CONST => '_constStmt', Tag::T_WHILE => '_whileStmt', Tag::T_DO => '_exprStmt', Tag::T_FOR => '_forStmt', Tag::T_FOREACH => '_foreachStmt', Tag::T_SWITCH => '_switchStmt', Tag::T_TRY => '_tryStmt', Tag::T_BREAK => '_breakStmt', Tag::T_CONTINUE => '_continueStmt', Tag::T_RAISE => '_raiseStmt', Tag::T_BEGIN => '_blockStmt', '^' => '_returnStmt', ':-' => '_labelStmt'];
        foreach ($branch_table as $token => $action) {
            if ($this->parser->is($token)) {
                $first_class_stmt = $this->{$action}();
                // Optional postfix notation for statements
                if ($this->parser->is(Tag::T_WHEN) || $this->parser->is(Tag::T_UNLESS)) {
                    $tag = $this->parser->consumeAndFetch()->getTag();
                    $predicate = $this->_expr();
                    return new PostConditionalStmt($first_class_stmt, $predicate, $tag);
                }
                return $first_class_stmt;
            }
        }
        throw new SyntaxError(['expected' => 'statement', 'found' => $this->parser->lookahead, 'parser' => $this->parser]);
    }