Package net.hydromatic.morel

Class Main.Shell

java.lang.Object

net.hydromatic.morel.Main.Shell

All Implemented Interfaces:

Session.Shell

Direct Known Subclasses:

Main.SubShell

Enclosing class:

Main

static class Main.Shell
extends Object
implements Session.Shell

Shell (or sub-shell created via net.hydromatic.morel.compile.BuiltIn#INTERACT_USE) that can execute commands and handle errors.

Field Summary

Fields

Modifier and Type	Field	Description
protected final com.google.common.collect.Multimap<String,Binding>	bindingMap	Contains the environment created by previous commands in this shell.
protected final Consumer<String>	echoLines
protected final Environment	env0
protected final Main	main
protected final Consumer<String>	outLines

Constructor Summary

Constructors

Constructor	Description
Shell(Main main, Environment env0, Consumer<String> echoLines, Consumer<String> outLines, com.google.common.collect.Multimap<String,Binding> bindingMap)

Method Summary

Modifier and Type	Method	Description
void	clearEnv()	Clears the environment.
void	handle(RuntimeException e, StringBuilder buf)	Handles an exception.
(package private) void	run(Session session, Main.BufferingReader in2, Consumer<String> echoLines, Consumer<String> outLines)
void	use(String fileName, boolean silent, Pos pos)

Methods inherited from class java.lang.Object

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

Field Details

main

protected final Main main

env0

protected final Environment env0

echoLines

protected final Consumer<String> echoLines

outLines

protected final Consumer<String> outLines

bindingMap

protected final com.google.common.collect.Multimap<String,Binding> bindingMap

Contains the environment created by previous commands in this shell. It is a multimap so that overloads with the same name can all be stored.

Constructor Details

Shell

Shell(Main main,
 Environment env0,
 Consumer<String> echoLines,
 Consumer<String> outLines,
 com.google.common.collect.Multimap<String,Binding> bindingMap)

Method Details

run

void run(Session session,
 Main.BufferingReader in2,
 Consumer<String> echoLines,
 Consumer<String> outLines)

use

public void use(String fileName,
 boolean silent,
 Pos pos)

Specified by:

use in interface Session.Shell

handle

public void handle(RuntimeException e,
 StringBuilder buf)

Description copied from interface: Session.Shell

Handles an exception. Particular implementations may re-throw the exception, or may format the exception to a buffer that will be added to the output. Typically, a root shell will handle the exception, and sub-shells will re-throw.

Specified by:

handle in interface Session.Shell

clearEnv

public void clearEnv()

Description copied from interface: Session.Shell

Clears the environment. Default implementation does nothing.

Specified by:

clearEnv in interface Session.Shell