Package com.scriptbasic.syntax.commands

Class BasicCommandFactory

java.lang.Object

com.scriptbasic.syntax.commands.BasicCommandFactory

All Implemented Interfaces:

CommandFactory

public final class BasicCommandFactory
extends java.lang.Object
implements CommandFactory

Constructor Summary

Constructors

Constructor	Description
BasicCommandFactory(Context ctx)	This implementation of the interface (btw: the only one in ScriptBasic) creates a command from a list of symbols.

Method Summary

Modifier and Type	Method	Description
Command	create(java.lang.String commandKeyword)	Create a Command that starts with the keyword.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BasicCommandFactory

public BasicCommandFactory(Context ctx)

This implementation of the interface (btw: the only one in ScriptBasic) creates a command from a list of symbols. First it checks if the first symbol of the command is a keyword and appears in the classMap as a key. If yes, for example the

Parameters:

ctx - the context of the interpreter

Method Details

create

public Command create(java.lang.String commandKeyword) throws AnalysisException

Description copied from interface: CommandFactory

Create a Command that starts with the keyword.

Specified by:

create in interface CommandFactory

Parameters:

commandKeyword - the command keyword lexeme or null in case the command does not start with a keyword (e.g. procedure call or assignment or a DSL sentence)

Returns:

the created command

Throws:

AnalysisException - is there is a lexical or syntax exception if there is some error with the command factory itself and it can not analyze the line and does not know what the error is. (probably the syntax of the line is totally wrong)