com.google.errorprone.matchers

Class CompileTimeConstantExpressionMatcher

java.lang.Object

com.google.errorprone.matchers.CompileTimeConstantExpressionMatcher

All Implemented Interfaces:

Matcher<com.sun.source.tree.ExpressionTree>, Serializable

public class CompileTimeConstantExpressionMatcher
extends Object
implements Matcher<com.sun.source.tree.ExpressionTree>

A matcher for compile-time-constant expressions.

For the purposes of this matcher, a compile-time constant expression is one of the following:

1. Any expression for which the Java compiler can determine a constant value at compile time.
2. The expression consisting of the literal null.
3. An expression consisting of a single identifier, where the identifier is a formal method parameter that is declared final and has the CompileTimeConstant annotation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CompileTimeConstantExpressionMatcher()

Method Summary

Modifier and Type	Method and Description
static boolean	hasCompileTimeConstantAnnotation(VisitorState state, com.sun.tools.javac.code.Symbol symbol)
boolean	matches(com.sun.source.tree.ExpressionTree t, VisitorState state)

Methods inherited from class java.lang.Object

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

Constructor Detail

CompileTimeConstantExpressionMatcher

public CompileTimeConstantExpressionMatcher()

Method Detail

matches

public boolean matches(com.sun.source.tree.ExpressionTree t,
                       VisitorState state)

Specified by:

matches in interface Matcher<com.sun.source.tree.ExpressionTree>

hasCompileTimeConstantAnnotation

public static boolean hasCompileTimeConstantAnnotation(VisitorState state,
                                                       com.sun.tools.javac.code.Symbol symbol)