Function validateToken

parser/parser.go:50–65

validateToken - Check if current token type is appearing in provided expectedTokens array

(tokenType token.Type, expectedTokens []token.Type)

// validateToken - Check if current token type is appearing in provided expectedTokens array
func validateToken(tokenType token.Type, expectedTokens []token.Type) error {
	var contains = false
	expectedTokensStrings := make([]string, 0)
	for _, x := range expectedTokens {
		expectedTokensStrings = append(expectedTokensStrings, string(x))

		if x == tokenType {
			contains = true
			break
		}
	}
	if !contains {
		return &SyntaxError{expectedTokensStrings, string(tokenType)}
	}
	return nil
}

// parseCreateCommand - Return ast.CreateCommand created from tokens and validate the syntax
//