Package org.spongepowered.asm.util

Class Locals.Settings

java.lang.Object

org.spongepowered.asm.util.Locals.Settings

Enclosing class:

Locals

public static class Locals.Settings
extends Object

Settings for getLocalsAt containing the tunable options for the algorithm. This exists for two purposes: Firstly, wrapping tunables up in a single object for convenience, but secondly providing some level of forward compatibility for platforms that which to provide backward compatibility to their own consumers. The flagsCustom field is* provided as a way of encoding arbitrary options that downstream projects may wish to use to tune their own implementations. The flags field is reserved for mixin internal flags to be added at a later date.

Field Summary

Fields

Modifier and Type	Field	Description
static Locals.Settings	DEFAULT	Default settings.
static int	DEFAULT_FLAGS	Default flags
static int	RESURRECT_EXPOSED_ON_LOAD	When a LOAD grows the frame, resurrect any zombies in the exposed portion of the frame, based on the thresholds configured.
static int	RESURRECT_EXPOSED_ON_STORE	When a STORE grows the frame, resurrect any zombies in the exposed portion of the frame, based on the thresholds configured.
static int	RESURRECT_FOR_BOGUS_TOP	When an incoming frame contains TOP entries, these are nearly always bogus.

Constructor Summary

Constructors

Constructor	Description
Settings(int flags, int flagsCustom, int insnThreshold, int frameThreshold)
Settings(int flags, int flagsCustom, int choppedInsnThreshold, int choppedFrameThreshold, int trimmedInsnThreshold, int trimmedFrameThreshold)

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

RESURRECT_FOR_BOGUS_TOP

public static int RESURRECT_FOR_BOGUS_TOP

When an incoming frame contains TOP entries, these are nearly always bogus. If we previously knew the local in that slot, resurrect it. Only resurrects TRIM zombies.

RESURRECT_EXPOSED_ON_LOAD

public static int RESURRECT_EXPOSED_ON_LOAD

When a LOAD grows the frame, resurrect any zombies in the exposed portion of the frame, based on the thresholds configured.

RESURRECT_EXPOSED_ON_STORE

public static int RESURRECT_EXPOSED_ON_STORE

When a STORE grows the frame, resurrect any zombies in the exposed portion of the frame, based on the thresholds configured.

DEFAULT_FLAGS

public static int DEFAULT_FLAGS

Default flags

DEFAULT

public static Locals.Settings DEFAULT

Default settings. CHOP zombies can be resurrected for 1 frame, TRIM zombies can be resurrected forever

Constructor Details

Settings

public Settings(int flags,
 int flagsCustom,
 int insnThreshold,
 int frameThreshold)

Parameters:

flags - Mixin flags

flagsCustom - Platform-specific flags

insnThreshold - Number of instructions that a local (regardless of death reason) is eligible for resurrection, -1 to ignore, 0 for none

frameThreshold - Number of frames that a local (regardless of death reason) is eligible for resurrection,-1 to ignore, 0 for none

Settings

public Settings(int flags,
 int flagsCustom,
 int choppedInsnThreshold,
 int choppedFrameThreshold,
 int trimmedInsnThreshold,
 int trimmedFrameThreshold)

Parameters:

flags - Mixin flags

flagsCustom - Platform-specific flags

choppedInsnThreshold - Number of instructions that a CHOPped local is eligible for resurrection, -1 to ignore, 0 for none

choppedFrameThreshold - Number of frames that a CHOPped local is eligible for resurrection,-1 to ignore, 0 for none

trimmedInsnThreshold - Number of instructions that a TRIMmed# local is eligible for resurrection, -1 to ignore, 0 for none

trimmedFrameThreshold - Number of frames that a TRIMmed local is eligible for resurrection, -1 to ignore, 0 for none