You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: parser.go
    path of file: ./repos/skeema/internal/tengo
    
    the code of the file until where you have to start completion: package tengo

import (
	"fmt"
	"io"
	"os"
	"sort"
	"strings"
	"unicode/utf8"
)

// This file implements a simple partial SQL parser. It intentionally does not
// aim to be a complete parser, and does not use an AST
    
func processCreateTable(p *parser, tokens []Token) (*Statement, error) {
	// Skip past the TABLE token, and ignore the optional IF NOT EXIST
	// clause
	_, tokens = p.matchNextSequence(tokens[1:], "if not exists")

	// Attempt to parse object name; only set statement and object types if
	// successful
	tokens = p.parseObjectNameClause(tokens)
	if p.stmt.ObjectName != "" {
		p.stmt.Type = StatementTypeCreate
		p.stmt.ObjectType = ObjectTypeTable
	}

	// A different StatementType is used in these cases:
	// * CREATE...SELECT: not supported since it mixes DDL with DML, isn't allowed
	//   on database servers using GTID in MySQL 5.6-8.0.20, causes problems with
	//   Skeema's workspace operation model, and presents potential security
	//   problems in multi-tenant environments running Skeema with elevated grants
	// * MariaDB system-versioned tables: these use a nonstandard value in
	//   information_schema.tables.table_type, and Skeema does not yet introspect
	//   them, causing `skeema pull` to delete their filesystem definition
	matched, tokens := p.skipUntilSequence(tokens, "select", "with system versioning")
	if matched != nil {
		p.stmt.Type = StatementTypeCreateUnsupported
	}

	return processUntilDelimiter(p, tokens)
}