tomp.xtcl
Class XTCompiler

java.lang.Object
  tomp.xtcl.XTCompiler

public class XTCompiler

extends java.lang.Object

Reads the commands from the underlying CommandLineReader, within a Context and produces a Command (usually a Sequence)

Constructor Summary

XTCompiler(Context c)
Creates a new instance of XTCompiler working within a Context

XTCompiler(XTCompiler parent)
Creates a new child XTCompiler

Method Summary

Command	compile(CommandLineReader clr) Compiles commands from a CommandLineReader into a command Sequence
Command	compile(java.io.File f) Compiles commands from a String
Command	compile(java.lang.String s) Compiles commands from a String
Command	compile(java.lang.String[] cl, CommandLineReader clr) The main compile method.
protected Command	compile(java.lang.String cl, CommandLineReader clr) Compiles commands from a String followed by a CommandLineReader into a command Sequence
int	compileAndExecute(java.lang.String s) Compiles and executes commands from a String
int	execute(Command command) Executes a command in the current context

Methods inherited from class java.lang.Object

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

Constructor Detail

XTCompiler

public XTCompiler(Context c)

Creates a new instance of XTCompiler working within a Context

Parameters:

c - Context in which the XTCompiler works

XTCompiler

public XTCompiler(XTCompiler parent)

Creates a new child XTCompiler

Method Detail

execute

public int execute(Command command)
            throws java.lang.Exception

Executes a command in the current context

Parameters:

command - to be executed

Returns:

return code from execution

Throws:

java.lang.Exception

compile

public Command compile(java.io.File f)
                throws java.lang.Exception

Compiles commands from a String

Throws:

java.lang.Exception

compile

public Command compile(java.lang.String s)
                throws java.lang.Exception

Compiles commands from a String

Parameters:

s - String - the source from which it compiles

Throws:

java.lang.Exception

compileAndExecute

public int compileAndExecute(java.lang.String s)
                      throws java.lang.Exception

Compiles and executes commands from a String

Parameters:

s - String - the source from which it compiles

Throws:

java.lang.Exception

compile

public Command compile(CommandLineReader clr)
                throws java.lang.Exception

Compiles commands from a CommandLineReader into a command Sequence

Parameters:

clr - CommandLineReader - the source for compilation

Throws:

java.lang.Exception

compile

protected Command compile(java.lang.String cl,
                          CommandLineReader clr)
                   throws java.lang.Exception

Compiles commands from a String followed by a CommandLineReader into a command Sequence

Parameters:

cl - String - will be tokenized and passed further to compile(String[], CommandLineReader)

clr - CommandLineReader - the sources for compilation first the String, then the CLR

Throws:

java.lang.Exception

compile

public Command compile(java.lang.String[] cl,
                       CommandLineReader clr)
                throws java.lang.Exception

The main compile method.
Compiles commands from a String[] followed by a CommandLineReader into a command Sequence

Parameters:

cl - String[] - array with one input line parsed into tokens

clr - CommandLineReader - the sources for compilation first the String[], then the CLR

Throws:

java.lang.Exception