com.google.javascript.jscomp

Class InferConsts

java.lang.Object

com.google.javascript.jscomp.InferConsts

All Implemented Interfaces:

CompilerPass

class InferConsts
extends java.lang.Object
implements CompilerPass

Attaches the CONST_VAR annotation to any variable that's 1) Provably well-defined and assigned once in its lifetime. 2) Annotated 'const' 3) Declared with the 'const' keyword. 4) Is constant by naming convention. These 3 are considered semantically equivalent. Notice that a variable in a loop is never considered const. Note that criteria (1) is only used for normal code, not externs.

Field Summary

Fields

Modifier and Type	Field and Description
private AbstractCompiler	compiler

Constructor Summary

Constructors

Constructor and Description
InferConsts(AbstractCompiler compiler)

Method Summary

Modifier and Type	Method and Description
private void	considerVar(Var v, ReferenceCollectingCallback.ReferenceCollection refCollection)
void	process(Node externs, Node js) Process the JS with root node root.

Methods inherited from class java.lang.Object

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

Field Detail

compiler

private final AbstractCompiler compiler

Constructor Detail

InferConsts

InferConsts(AbstractCompiler compiler)

Method Detail

process

public void process(Node externs,
                    Node js)

Description copied from interface: CompilerPass

Process the JS with root node root. Can modify the contents of each Node tree

Specified by:

process in interface CompilerPass

Parameters:

externs - Top of external JS tree

js - Top of JS tree

considerVar

private void considerVar(Var v,
                         ReferenceCollectingCallback.ReferenceCollection refCollection)