at.dms.kjc
Class JLocalVariable

java.lang.Object
  at.dms.util.Utils
      at.dms.compiler.Phylum
          at.dms.kjc.JPhylum
              at.dms.kjc.JLocalVariable

All Implemented Interfaces:

Constants, DeepCloneable, Finalizable, Serializable

Direct Known Subclasses:

JFormalParameter, JGeneratedLocalVariable, JVariableDefinition

public abstract class JLocalVariable
extends JPhylum

This class represents a local variable declaration

See Also:

Serialized Form

Field Summary

static int	DES_CATCH_PARAMETER
static int	DES_GENERATED
static int	DES_LOCAL_VAR
static int	DES_PARAMETER
protected JExpression	expr
protected int	modifiers
protected String	name
protected CType	type

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	JLocalVariable()
	JLocalVariable(TokenReference where, int modifiers, int kind, CType type, String name, JExpression expr) Constructs a local variable definition

Method Summary

Object	deepClone() Returns a deep clone of this object.
protected void	deepCloneInto(JLocalVariable other) Clones all fields of this into
void	genLoad(CodeSequence code) Generates a sequence of bytecode to load the value of the variable on the stack
void	genStore(CodeSequence code) Generates a sequence of bytescodes
int	getDescription()
String	getIdent()
int	getIndex()
int	getModifiers()
int	getPosition()
CType	getType()
JExpression	getValue()
boolean	isAssigned()
boolean	isConstant() Tests whether this expression denotes a compile-time constant (JLS 15.28).
boolean	isFinal() Returns if this variable is final
boolean	isGenerated() Returns the variable definied by this formal parameter
boolean	isLoopVariable()
boolean	isStatic() Returns if this variable is static
boolean	isUsed()
boolean	isVolatile() Returns true if this variable is declared volatile.
protected Object	readResolve()
void	setAssigned(TokenReference ref, CBodyContext context)
void	setExpression(JExpression expr) Sets the expression of this.
void	setIdent(String name)
void	setIndex(int index)
void	setIsLoopVariable()
void	setPosition(int position)
void	setType(CType type)
void	setUsed()
String	toString()
void	unsetIsLoopVariable()

Methods inherited from class at.dms.kjc.JPhylum

accept, accept, assertMutable, check, check, check, check, deepCloneInto, fail, 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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

DES_LOCAL_VAR

public static final int DES_LOCAL_VAR

See Also:

Constant Field Values

DES_PARAMETER

public static final int DES_PARAMETER

See Also:

Constant Field Values

DES_CATCH_PARAMETER

public static final int DES_CATCH_PARAMETER

See Also:

Constant Field Values

DES_GENERATED

public static final int DES_GENERATED

See Also:

Constant Field Values

modifiers

protected int modifiers

name

protected String name

type

protected CType type

expr

protected JExpression expr

Constructor Detail

JLocalVariable

protected JLocalVariable()

JLocalVariable

public JLocalVariable(TokenReference where,
                      int modifiers,
                      int kind,
                      CType type,
                      String name,
                      JExpression expr)

Constructs a local variable definition

Parameters:

where - the line of this node in the source code

modifiers - the modifiers of this variable

kind - the kind of this variable

type - the type of this variable

name - the name of this variable

expr - the initial value

Method Detail

readResolve

protected Object readResolve()
                      throws Exception

Throws:

Exception

isVolatile

public boolean isVolatile()

Returns true if this variable is declared volatile.

Returns:

true if this variable is declared volatile.

isFinal

public boolean isFinal()

Returns if this variable is final

isStatic

public boolean isStatic()

Returns if this variable is static

isGenerated

public boolean isGenerated()

Returns the variable definied by this formal parameter

getModifiers

public int getModifiers()

Returns:

the modifiers of this variable

getIdent

public String getIdent()

Returns:

the name of this variable

toString

public String toString()

Overrides:

toString in class Object

setIdent

public void setIdent(String name)

getType

public CType getType()

Returns:

the type of this variable

setType

public void setType(CType type)

getValue

public JExpression getValue()

Returns:

the value of this local variable at initialization $$$ why not dynamically...

isConstant

public boolean isConstant()

Tests whether this expression denotes a compile-time constant (JLS 15.28).

Returns:

true iff this expression is constant

getIndex

public int getIndex()

Returns:

the local index in context variable table

setIndex

public void setIndex(int index)

setExpression

public void setExpression(JExpression expr)

Sets the expression of this.

getDescription

public int getDescription()

getPosition

public int getPosition()

setPosition

public void setPosition(int position)

setUsed

public void setUsed()

isUsed

public boolean isUsed()

setAssigned

public void setAssigned(TokenReference ref,
                        CBodyContext context)

isAssigned

public boolean isAssigned()

setIsLoopVariable

public void setIsLoopVariable()

unsetIsLoopVariable

public void unsetIsLoopVariable()

isLoopVariable

public boolean isLoopVariable()

genLoad

public void genLoad(CodeSequence code)

Generates a sequence of bytecode to load the value of the variable on the stack

Parameters:

code - the code sequence

genStore

public void genStore(CodeSequence code)

Generates a sequence of bytescodes

Parameters:

code - the code sequence

deepClone

public Object deepClone()

Returns a deep clone of this object.

Specified by:

deepClone in interface DeepCloneable

Overrides:

deepClone in class JPhylum

deepCloneInto

protected void deepCloneInto(JLocalVariable other)

Clones all fields of this into

other