ConstantPropagationAnalysis (Error Prone parent POM 1.0-HEAD-SNAPSHOT API)

java.lang.Object

com.google.errorprone.dataflow.ConstantPropagationAnalysis

public final class ConstantPropagationAnalysis extends Object

An interface to the constant propagation analysis.

Method Summary

Modifier and Type

Method

Description

static @Nullable Number

numberValue(TreePath exprPath, com.sun.tools.javac.util.Context context)

Returns the value of the leaf of exprPath, if it is determined to be a constant (always evaluates to the same numeric value), and null otherwise.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- numberValue
  
  public static @Nullable Number numberValue(TreePath exprPath, com.sun.tools.javac.util.Context context)
  
  Returns the value of the leaf of exprPath, if it is determined to be a constant (always evaluates to the same numeric value), and null otherwise. Note that returning null does not necessarily mean the expression is *not* a constant.