Package net.hydromatic.morel.compile

Class Tracers.EmptyTracer

java.lang.Object

net.hydromatic.morel.compile.Tracers.EmptyTracer

All Implemented Interfaces:

Tracer

Enclosing class:

Tracers

private static class Tracers.EmptyTracer
extends Object
implements Tracer

Tracer that does nothing.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static Tracer	INSTANCE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EmptyTracer()

Method Summary

Modifier and Type	Method	Description
boolean	handleCompileException(@Nullable CompileException e)	Called with the exception thrown during validation, or null if no exception was thrown.
void	onCore(int pass, Core.Decl e)	Called when the expression is converted to core.
boolean	onException(@Nullable Throwable e)	Called with the exception thrown during evaluation, or null if no exception was thrown.
void	onPlan(Code code)	Called when code is generated.
void	onResult(Object o)	Called on the result of an evaluation.
boolean	onTypeException(TypeResolver.TypeException e)	Called with the exception thrown during type resolution.
void	onWarnings(List<Throwable> warningList)	Called with the list of warnings after evaluation.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

static final Tracer INSTANCE

Constructor Detail

EmptyTracer

private EmptyTracer()

Method Detail

onCore

public void onCore(int pass,
                   Core.Decl e)

Description copied from interface: Tracer

Called when the expression is converted to core.

Specified by:

onCore in interface Tracer

onPlan

public void onPlan(Code code)

Description copied from interface: Tracer

Called when code is generated.

Specified by:

onPlan in interface Tracer

onResult

public void onResult(Object o)

Description copied from interface: Tracer

Called on the result of an evaluation.

Specified by:

onResult in interface Tracer

onWarnings

public void onWarnings(List<Throwable> warningList)

Description copied from interface: Tracer

Called with the list of warnings after evaluation.

Specified by:

onWarnings in interface Tracer

onTypeException

public boolean onTypeException(TypeResolver.TypeException e)

Description copied from interface: Tracer

Called with the exception thrown during type resolution. Returns whether a handler was found.

Specified by:

onTypeException in interface Tracer

onException

public boolean onException(@Nullable Throwable e)

Description copied from interface: Tracer

Called with the exception thrown during evaluation, or null if no exception was thrown. Returns whether a handler was found.

Specified by:

onException in interface Tracer

handleCompileException

public boolean handleCompileException(@Nullable CompileException e)

Description copied from interface: Tracer

Called with the exception thrown during validation, or null if no exception was thrown. Returns whether a handler was found.

Specified by:

handleCompileException in interface Tracer