org.jetbrains.kotlin.codegen.when
Class SwitchCodegen

java.lang.Object
  org.jetbrains.kotlin.codegen.when.SwitchCodegen

Direct Known Subclasses:

EnumSwitchCodegen, IntegralConstantsSwitchCodegen, StringSwitchCodegen

public abstract class SwitchCodegen
extends java.lang.Object

Field Summary

protected BindingContext	bindingContext
protected ExpressionCodegen	codegen
protected org.jetbrains.org.objectweb.asm.Label	defaultLabel
protected org.jetbrains.org.objectweb.asm.Label	elseLabel
protected org.jetbrains.org.objectweb.asm.Label	endLabel
protected java.util.List<org.jetbrains.org.objectweb.asm.Label>	entryLabels
protected JetWhenExpression	expression
protected boolean	isStatement
protected org.jetbrains.org.objectweb.asm.Type	resultType
protected org.jetbrains.org.objectweb.asm.Type	subjectType
protected java.util.NavigableMap<java.lang.Integer,org.jetbrains.org.objectweb.asm.Label>	transitionsTable
protected org.jetbrains.org.objectweb.asm.commons.InstructionAdapter	v

Constructor Summary

SwitchCodegen(JetWhenExpression expression, boolean isStatement, ExpressionCodegen codegen)

Method Summary

void	generate() Generates bytecode for entire when expression
protected void	generateEntries()
protected void	generateNullCheckIfNeeded()
protected void	generateSubject() Should generate int subject on top of the stack Default implementation just run codegen for actual subject of expression May also gen nullability check if needed
protected abstract void	processConstant( constant, org.jetbrains.org.objectweb.asm.Label entryLabel)
protected void	putTransitionOnce(int value, org.jetbrains.org.objectweb.asm.Label entryLabel)

Methods inherited from class java.lang.Object

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

Field Detail

expression

protected final JetWhenExpression expression

isStatement

protected final boolean isStatement

codegen

protected final ExpressionCodegen codegen

bindingContext

protected final BindingContext bindingContext

subjectType

protected final org.jetbrains.org.objectweb.asm.Type subjectType

resultType

protected final org.jetbrains.org.objectweb.asm.Type resultType

v

protected final org.jetbrains.org.objectweb.asm.commons.InstructionAdapter v

transitionsTable

protected final java.util.NavigableMap<java.lang.Integer,org.jetbrains.org.objectweb.asm.Label> transitionsTable

entryLabels

protected final java.util.List<org.jetbrains.org.objectweb.asm.Label> entryLabels

elseLabel

protected org.jetbrains.org.objectweb.asm.Label elseLabel

endLabel

protected org.jetbrains.org.objectweb.asm.Label endLabel

defaultLabel

protected org.jetbrains.org.objectweb.asm.Label defaultLabel

Constructor Detail

SwitchCodegen

public SwitchCodegen(@NotNull
                     JetWhenExpression expression,
                     boolean isStatement,
                     @NotNull
                     ExpressionCodegen codegen)

Method Detail

generate

public void generate()

Generates bytecode for entire when expression

processConstant

protected abstract void processConstant(@NotNull
                                         constant,
                                        @NotNull
                                        org.jetbrains.org.objectweb.asm.Label entryLabel)

putTransitionOnce

protected void putTransitionOnce(int value,
                                 @NotNull
                                 org.jetbrains.org.objectweb.asm.Label entryLabel)

generateSubject

protected void generateSubject()

Should generate int subject on top of the stack Default implementation just run codegen for actual subject of expression May also gen nullability check if needed

generateNullCheckIfNeeded

protected void generateNullCheckIfNeeded()

generateEntries

protected void generateEntries()