org.stjs.generator.check.expression
Class IdentifierGlobalScopeNameClashCheck

java.lang.Object
  org.stjs.generator.check.expression.IdentifierGlobalScopeNameClashCheck

All Implemented Interfaces:

CheckContributor<com.sun.source.tree.IdentifierTree>, VisitorContributor<com.sun.source.tree.IdentifierTree,Void,GenerationContext<Void>,CheckVisitor>

public class IdentifierGlobalScopeNameClashCheck
extends Object
implements CheckContributor<com.sun.source.tree.IdentifierTree>

this class checks that you don't use in the same method variables or parameters with the same name as a global scoped field. This is to avoid situations like this one:

 void m() {
        if (true) {
                int x = 0;
        }
        int y = GlobalVars.x;
 }
 

After generation you'll have:

 function m() {
        if (true) {
                var x = 0;
        }
        var y = x;
 }
 

The global x will be in fact hidden by the local variable.

Author:

acraciun

Constructor Summary

IdentifierGlobalScopeNameClashCheck()

Method Summary

static Void	checkGlobalScope(com.sun.source.tree.ExpressionTree tree, String name, GenerationContext<Void> context)
Void	visit(CheckVisitor visitor, com.sun.source.tree.IdentifierTree tree, GenerationContext<Void> context)

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentifierGlobalScopeNameClashCheck

public IdentifierGlobalScopeNameClashCheck()

Method Detail

checkGlobalScope

public static Void checkGlobalScope(com.sun.source.tree.ExpressionTree tree,
                                    String name,
                                    GenerationContext<Void> context)

visit

public Void visit(CheckVisitor visitor,
                  com.sun.source.tree.IdentifierTree tree,
                  GenerationContext<Void> context)

Specified by:

visit in interface VisitorContributor<com.sun.source.tree.IdentifierTree,Void,GenerationContext<Void>,CheckVisitor>