org.eclipse.xtext.xbase.compiler

Class ScopeStack

java.lang.Object

org.eclipse.xtext.xbase.compiler.ScopeStack

public class ScopeStack
extends Object

Author:

Sven Efftinge - Initial contribution and API

Constructor Summary

Constructors

Constructor and Description
ScopeStack()

Method Summary

Methods

Modifier and Type	Method and Description
void	closeScope()
String	declareVariable(Object key, String proposedName, boolean synthetic)
String	declareVariable(Object key, String proposedName, boolean synthetic, boolean withUniqueName) provides and registers a fresh variable in the current scope.
protected String	findNewName(Set<String> names, String proposedName)
Object	get(String name)
String	getName(Object referenced)
void	openScope(boolean pseudoScope)
String	removeName(Object referenced)

Methods inherited from class java.lang.Object

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

Constructor Detail

ScopeStack

public ScopeStack()

Method Detail

openScope

public void openScope(boolean pseudoScope)

closeScope

public void closeScope()

get

public Object get(String name)

getName

public String getName(Object referenced)

removeName

public String removeName(Object referenced)
                  throws IllegalStateException

Throws:

IllegalStateException - if the referenced object does not have a name in the current scope.

declareVariable

public String declareVariable(Object key,
                     String proposedName,
                     boolean synthetic)

declareVariable

public String declareVariable(Object key,
                     String proposedName,
                     boolean synthetic,
                     boolean withUniqueName)

provides and registers a fresh variable in the current scope. It takes parent scopes into account and only reuses names of synthetic variables from parent scopes. Pseudo scopes are treated as if they were part of their parent scope.

Parameters:

withUniqueName - This is a workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=445949

findNewName

protected String findNewName(Set<String> names,
                 String proposedName)