com.oracle.truffle.api.frame

Class FrameUtil

java.lang.Object

com.oracle.truffle.api.frame.FrameUtil

public final class FrameUtil
extends Object

Since:

0.8 or earlier

Method Summary

Modifier and Type	Method and Description
static boolean	getBooleanSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static byte	getByteSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static double	getDoubleSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static float	getFloatSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static int	getIntSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static long	getLongSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).
static Object	getObjectSafe(Frame frame, FrameSlot frameSlot) Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Methods inherited from class java.lang.Object

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

Method Detail

getObjectSafe

public static Object getObjectSafe(Frame frame,
                                   FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getObject(FrameSlot)

getByteSafe

public static byte getByteSafe(Frame frame,
                               FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getByte(FrameSlot)

getBooleanSafe

public static boolean getBooleanSafe(Frame frame,
                                     FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getBoolean(FrameSlot)

getIntSafe

public static int getIntSafe(Frame frame,
                             FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getInt(FrameSlot)

getLongSafe

public static long getLongSafe(Frame frame,
                               FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getLong(FrameSlot)

getDoubleSafe

public static double getDoubleSafe(Frame frame,
                                   FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getDouble(FrameSlot)

getFloatSafe

public static float getFloatSafe(Frame frame,
                                 FrameSlot frameSlot)

Read a frame slot that is guaranteed to be of the desired kind (either previously checked by a guard or statically known).

Parameters:

frameSlot - the slot of the variable

Throws:

IllegalStateException - if the slot kind does not match

Since:

0.8 or earlier

See Also:

Frame.getFloat(FrameSlot)