Package org.codehaus.groovy.classgen.asm.sc

Class StaticTypesIsCaseWriter

java.lang.Object

org.codehaus.groovy.classgen.asm.sc.StaticTypesIsCaseWriter

public class StaticTypesIsCaseWriter
extends Object

Emits the isCase call the type checker selected for a case label, shared by the statically compiled switch expression and switch statement writers so that a label resolves the same way in either position (GROOVY-12407).

Since:

7.0.0

Method Summary

Modifier and Type	Method	Description
static boolean	writeDirectIsCase(WriterController controller, CaseStatement caseStatement, int selectorIndex, ClassNode selectorType)	Emits the selected isCase as a direct method call via StaticInvocationWriter.writeDirectMethodCall, leaving a boolean on the operand stack for the following IFEQ.

Methods inherited from class java.lang.Object

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

Method Details

writeDirectIsCase

public static boolean writeDirectIsCase(WriterController controller,
 CaseStatement caseStatement,
 int selectorIndex,
 ClassNode selectorType)

Emits the selected isCase as a direct method call via StaticInvocationWriter.writeDirectMethodCall, leaving a boolean on the operand stack for the following IFEQ.

Parameters:

controller - the writer controller

caseStatement - the arm whose label is being tested

selectorIndex - local variable slot holding the switch selector

selectorType - type of that slot

Returns:

false when the type checker selected no target, in which case the caller emits its own comparison; true when the call was written