[svn] 3121: Optimized QualifiedIdentifierNode creation by not requiring a throw

Question

Revision: 3121
Author: [email protected]
Date: 2008-09-05 11:40:44 -0700 (Fri, 05 Sep 2008)
Log Message:
Optimized QualifiedIdentifierNode creation by not requiring a throw
away IdentifierNode. This reduces overall object creation and GC
time.
tests Passed: checkintests, asc-tests
Needs QA: YES
Needs DOC: NO
API Change: NO
Reviewer: tierney
Code-level description of changes:
asc/src/java/macromedia/asc/semantics/FlowAnalyzer.java
compiler/src/java/flex2/compiler/as3/AbstractSyntaxTreeUtil.java
compiler/src/java/flex2/compiler/mxml/ImplementationGenerator.java
Modified NodeFactory.qualifiedIdentifier() calls to use the
IdentifierNode's name and position.
asc/src/java/macromedia/asc/parser/NodeFactory.java
Modified NodeFactory.qualifiedIdentifier() calls to use the
IdentifierNode's name and position.
Modified identifier(String, boolean) to call identifier(String,
boolean, int).
Modified identifier(String, boolean, int) to check for "arguments".
Modified qualifiedIdentifier() to take a String instead of an
IdentifierNode.
asc/src/java/macromedia/asc/parser/QualifiedIdentifierNode.java
Modified constructor to take a String instead of an IdentifierNode.
asc/src/java/macromedia/asc/parser/Parser.java
Added parseIdentifierString() and parsePropertyIdentifierString()
and modified parseIdentifier() and parsePropertyIdentifier() to use
them.
Modified qualifiedIdentifier() calls to use parseIdentifierString()
or parsePropertyIdentifierString().
asc/src/java/macromedia/asc/parser/VariableDefinitionNode.java
Modified NodeFactory.qualifiedIdentifier() call to use the
IdentifierNode's name and position.
Modified Paths:
flex/sdk/trunk/modules/asc/src/java/macromedia/asc/parser/NodeFactory.java
flex/sdk/trunk/modules/asc/src/java/macromedia/asc/parser/Parser.java
flex/sdk/trunk/modules/asc/src/java/macromedia/asc/parser/QualifiedIdentifierNode.java
flex/sdk/trunk/modules/asc/src/java/macromedia/asc/parser/VariableDefinitionNode.java
flex/sdk/trunk/modules/asc/src/java/macromedia/asc/semantics/FlowAnalyzer.java
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/as3/AbstractSyntaxTreeUtil.java
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/mxml/ImplementationGenerator.java

Answer 1

I have no clue where to startHow about the tutorials?
so if somebaody can gve me sample codes or can showSample code? Easy, take this:
public class SampleClass {
  private static final String TEXT = "Hello World!";
  public static void main (String[] args) {
     System.out.println(TEXT);