org.eclipse.golo.compiler.ir

Class SymbolGenerator

java.lang.Object

org.eclipse.golo.compiler.ir.SymbolGenerator

public final class SymbolGenerator
extends java.lang.Object

Name generator for synthetic objects.

The generated name follows the patter __$$_<name>_<counter>. The default name is symbol.

The generator maintains a stack of scope names, to generate hierarchical names.

 SymbolGenerator sym = new SymbolGenerator("closure");
 sym.next(); // __$$_closure_0
 sym.next(); // __$$_closure_1
 sym.enter("scope");
 sym.next(); // __$$_closure_scope_2
 sym.enter("subscope");
 sym.next(); // __$$_closure_scope_subscope_3
 sym.exit().exit();
 sym.next(); // __$$_closure_4
 

Since the counter maintains uniqueness, the name and scopes only purpose is to give somewhat readable names to help debugging.

Be warned that the uniqueness is only preserved in the context of a single generator. Two independent generators with the same name (and scope) can produce identical names.

Constructor Summary

Constructors

Constructor and Description
SymbolGenerator()
SymbolGenerator(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
SymbolGenerator	enter(java.lang.String scopeName)
SymbolGenerator	exit()
java.lang.String	next()
java.lang.String	next(java.lang.String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

SymbolGenerator

public SymbolGenerator(java.lang.String name)

SymbolGenerator

public SymbolGenerator()

Method Detail

next

public java.lang.String next()

next

public java.lang.String next(java.lang.String name)

exit

public SymbolGenerator exit()

enter

public SymbolGenerator enter(java.lang.String scopeName)