Class CompileTimeConstantExpressionMatcher

java.lang.Object

com.google.errorprone.matchers.CompileTimeConstantExpressionMatcher

All Implemented Interfaces:

Matcher<ExpressionTree>, Serializable

public class CompileTimeConstantExpressionMatcher
extends Object
implements Matcher<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	Description
CompileTimeConstantExpressionMatcher()

Method Summary

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

Methods inherited from class Object

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

Constructor Details

CompileTimeConstantExpressionMatcher

public CompileTimeConstantExpressionMatcher()

Method Details

instance

public static Matcher<ExpressionTree> instance()

matches

public boolean matches(ExpressionTree t,
 VisitorState state)

Specified by:

matches in interface Matcher<ExpressionTree>

hasCompileTimeConstantAnnotation

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