at.dms.kjc
Class JShortLiteral

java.lang.Object
  at.dms.util.Utils
      at.dms.compiler.Phylum
          at.dms.kjc.JPhylum
              at.dms.kjc.JExpression
                  at.dms.kjc.JLiteral
                      at.dms.kjc.JShortLiteral

All Implemented Interfaces:

Constants, DeepCloneable, Finalizable, Serializable

public class JShortLiteral
extends JLiteral

JLS 3.10.1 Integer Literals. This class represents short literals. Instances of this class are only created by conversion operations.

See Also:

Serialized Form

Field Summary

Fields inherited from class at.dms.kjc.JExpression

EMPTY

Fields inherited from class at.dms.util.Utils

EMPTY_LIST, getForLoopCallers

Fields inherited from interface at.dms.kjc.Constants

CMP_VERSION, JAV_CLASS, JAV_CLONE, JAV_CLONEABLE, JAV_CONSTRUCTOR, JAV_ERROR, JAV_EXCEPTION, JAV_INIT, JAV_LENGTH, JAV_NAME_SEPARATOR, JAV_OBJECT, JAV_OUTER_THIS, JAV_RUNTIME, JAV_RUNTIME_EXCEPTION, JAV_STATIC_INIT, JAV_STRING, JAV_STRINGBUFFER, JAV_THIS, JAV_THROWABLE, OPE_BAND, OPE_BNOT, OPE_BOR, OPE_BSR, OPE_BXOR, OPE_EQ, OPE_GE, OPE_GT, OPE_LE, OPE_LNOT, OPE_LT, OPE_MINUS, OPE_NE, OPE_PERCENT, OPE_PLUS, OPE_POSTDEC, OPE_POSTINC, OPE_PREDEC, OPE_PREINC, OPE_SIMPLE, OPE_SL, OPE_SLASH, OPE_SR, OPE_STAR, TID_ARRAY, TID_BIT, TID_BOOLEAN, TID_BYTE, TID_CHAR, TID_CLASS, TID_DOUBLE, TID_FLOAT, TID_INT, TID_LONG, TID_SHORT, TID_VECTOR, TID_VOID, VECTOR_EMPTY

Fields inherited from interface at.dms.classfile.Constants

ACC_ABSTRACT, ACC_FINAL, ACC_INLINE, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_TRANSIENT, ACC_VOLATILE, ATT_CODE, ATT_CONSTANTVALUE, ATT_DEPRECATED, ATT_EXCEPTIONS, ATT_GENERIC, ATT_INNERCLASSES, ATT_LINENUMBERTABLE, ATT_LOCALVARIABLETABLE, ATT_SOURCEFILE, ATT_SYNTHETIC, CST_CLASS, CST_DOUBLE, CST_FIELD, CST_FLOAT, CST_INTEGER, CST_INTERFACEMETHOD, CST_LONG, CST_METHOD, CST_NAMEANDTYPE, CST_STRING, CST_UTF8, ENV_DEBUG_MODE, ENV_USE_CACHE, JAVA_MAGIC, JAVA_MAJOR, JAVA_MINOR, MAX_CODE_PER_METHOD, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup_x1, opc_dup_x2, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc_w, opc_ldc2_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, POO_ASCII_CONSTANT, POO_CLASS_CONSTANT, POO_DOUBLE_CONSTANT, POO_FLOAT_CONSTANT, POO_INTEGER_CONSTANT, POO_LONG_CONSTANT, POO_NAT_CONSTANT, POO_REF_CONSTANT, POO_STRING_CONSTANT, TYP_ADDRESS, TYP_DOUBLE, TYP_FLOAT, TYP_INT, TYP_LONG, TYP_REFERENCE, TYP_VOID

Constructor Summary

protected	JShortLiteral()
	JShortLiteral(TokenReference where, short value) Constructs a literal expression from a constant value.

Method Summary

Object	accept(AttributeVisitor p) Accepts the specified attribute visitor
<S,T> S	accept(ExpressionVisitor<S,T> p, T o) Accepts the specified visitor
void	accept(KjcVisitor p) Accepts the specified visitor
String	convertToString() For up-casting into a string type.
JExpression	convertType(CType dest, CExpressionContext context) convertType changes the type of this expression to an other
Object	deepClone() Returns a deep clone of this object.
protected void	deepCloneInto(JShortLiteral other) Clones all fields of this into
boolean	equals(Object o) Returns whether or
void	genCode(CodeSequence code, boolean discardValue) Generates JVM bytecode to evaluate this expression.
CType	getType() Returns the type of this expression.
boolean	isAssignableTo(CType dest) Can this expression be converted to the specified type by assignment conversion (JLS 5.2) ?
boolean	isDefault() Returns true iff the value of this literal is the default value for this type (JLS 4.5.5).
short	shortValue() Returns the constant value of the expression.

Methods inherited from class at.dms.kjc.JLiteral

analyse, deepCloneInto, getLiteral, isConstant, parseInteger, parseReal, setType

Methods inherited from class at.dms.kjc.JExpression

booleanValue, byteValue, charValue, convertType, deepCloneInto, doubleValue, fail, floatValue, genBranch, genEndStoreCode, genStartStoreCode, getIdent, intValue, isDynamic, isFinal, isInitialized, isLValue, isStatementExpression, longValue, setInitialized, stringValue

Methods inherited from class at.dms.kjc.JPhylum

assertMutable, check, check, check, check, deepCloneInto, setLineNumber

Methods inherited from class at.dms.compiler.Phylum

deepCloneInto, getTokenReference, setTokenReference

Methods inherited from class at.dms.util.Utils

asPercent, cellMathEquivalent, cMathEquivalent, cppMathEquivalent, deepCloneInto, equalArrays, fail, getEnvironmentVariable, getExpression, hasPeeks, initArray, initArray, initLiteralArray, intArrayToList, isMathMethod, isUniform, kopi_assert, kopi_assert, makeCountdownForLoop, makeDotFileName, makeForLoop, makeForLoop, makeForLoop, makeForLoopFieldIndex, makeForLoopLocalIndex, nextPow2, passThruParens, peelMarkers, popBeforePeek, readFile, removeUnusedPops, replaceAll, setupDotFileName, simplifyMathMethod, splitQualifiedName, splitQualifiedName, toArray, toIntArray, toVector, voidToInt, writeFile

Methods inherited from class java.lang.Object

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

Constructor Detail

JShortLiteral

protected JShortLiteral()

JShortLiteral

public JShortLiteral(TokenReference where,
                     short value)

Constructs a literal expression from a constant value.

Parameters:

where - the line of this node in the source code

value - the constant value

Method Detail

getType

public CType getType()

Returns the type of this expression.

Specified by:

getType in class JExpression

shortValue

public short shortValue()

Returns the constant value of the expression.

Overrides:

shortValue in class JExpression

isDefault

public boolean isDefault()

Returns true iff the value of this literal is the default value for this type (JLS 4.5.5).

Specified by:

isDefault in class JLiteral

convertToString

public String convertToString()

Description copied from class: JLiteral

For up-casting into a string type.

Specified by:

convertToString in class JLiteral

isAssignableTo

public boolean isAssignableTo(CType dest)

Can this expression be converted to the specified type by assignment conversion (JLS 5.2) ?

Overrides:

isAssignableTo in class JExpression

Parameters:

dest - the destination type

Returns:

true iff the conversion is valid

convertType

public JExpression convertType(CType dest,
                               CExpressionContext context)

convertType changes the type of this expression to an other

Specified by:

convertType in class JLiteral

Parameters:

dest - the destination type

accept

public void accept(KjcVisitor p)

Accepts the specified visitor

Specified by:

accept in class JExpression

Parameters:

p - the visitor

accept

public Object accept(AttributeVisitor p)

Accepts the specified attribute visitor

Specified by:

accept in class JExpression

Parameters:

p - the visitor

Returns:

data to pass back up

accept

public <S,T> S accept(ExpressionVisitor<S,T> p,
                      T o)

Accepts the specified visitor

Specified by:

accept in class JExpression

Type Parameters:

S - output type

T - auxilliary input type

Parameters:

p - the visitor

o - object containing extra data to be passed to visitor

Returns:

object containing data generated by visitor

genCode

public void genCode(CodeSequence code,
                    boolean discardValue)

Generates JVM bytecode to evaluate this expression.

Specified by:

genCode in class JExpression

Parameters:

code - the bytecode sequence

discardValue - discard the result of the evaluation ?

equals

public boolean equals(Object o)

Returns whether or

o

this represents a literal with the same value as this.

Overrides:

equals in class Object

deepClone

public Object deepClone()

Returns a deep clone of this object.

Specified by:

deepClone in interface DeepCloneable

Overrides:

deepClone in class JLiteral

deepCloneInto

protected void deepCloneInto(JShortLiteral other)

Clones all fields of this into

other