at.dms.kjc
Class JBinaryExpression

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

All Implemented Interfaces:

Constants, DeepCloneable, Finalizable, Serializable

Direct Known Subclasses:

JAssignmentExpression, JBinaryArithmeticExpression, JConditionalAndExpression, JConditionalOrExpression, JEqualityExpression, JRelationalExpression

public abstract class JBinaryExpression
extends JExpression

This class is an abstract root class for binary expressions

See Also:

Serialized Form

Field Summary

protected JExpression	left
protected JExpression	right
protected CType	type

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	JBinaryExpression()
	JBinaryExpression(TokenReference where, JExpression left, JExpression right) Construct a node in the parsing tree This method is directly called by the parser

Method Summary

JExpression	constantFolding()
Object	deepClone() Returns a deep clone of this object.
protected void	deepCloneInto(JBinaryExpression other) Clones all fields of this into
void	genBooleanResultCode(CodeSequence code, boolean discardValue) Generates a sequence of bytescodes
void	genBranch(boolean cond, CodeSequence code, at.dms.kjc.CodeLabel label) Generates a sequence of bytescodes to branch on a label This method helps to handle heavy optimizables conditions
protected void	genBranch(JExpression left, JExpression right, boolean cond, CodeSequence code, at.dms.kjc.CodeLabel label) Optimize a bi-conditional expression
JExpression	getLeft() Returns what appears on left.
JExpression	getRight() Returns what appears on right.
CType	getType() Returns the type of this expression (call after parsing only)
void	setLeft(JExpression left) Set what appears on the left of this.
void	setRight(JExpression right) Set what appears on the right of this.
void	setType(CType t) Set the type of this expression.

Methods inherited from class at.dms.kjc.JExpression

accept, accept, accept, analyse, booleanValue, byteValue, charValue, convertType, convertType, deepCloneInto, doubleValue, fail, floatValue, genCode, genEndStoreCode, genStartStoreCode, getIdent, getLiteral, intValue, isAssignableTo, isConstant, isDynamic, isFinal, isInitialized, isLValue, isStatementExpression, longValue, setInitialized, shortValue, 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, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

type

protected CType type

left

protected JExpression left

right

protected JExpression right

Constructor Detail

JBinaryExpression

protected JBinaryExpression()

JBinaryExpression

public JBinaryExpression(TokenReference where,
                         JExpression left,
                         JExpression right)

Construct a node in the parsing tree This method is directly called by the parser

Parameters:

where - the line of this node in the source code

left - left operand

right - right operand

Method Detail

getType

public CType getType()

Description copied from class: JExpression

Returns the type of this expression (call after parsing only)

Specified by:

getType in class JExpression

Returns:

the type of this expression

setType

public void setType(CType t)

Description copied from class: JExpression

Set the type of this expression. Added 2006-12-20 Use with extreme caution Currently used when recreating expressions to copy type from old expression to recreated expression.

Specified by:

setType in class JExpression

Parameters:

t - the CType to set.

genBooleanResultCode

public void genBooleanResultCode(CodeSequence code,
                                 boolean discardValue)

Generates a sequence of bytescodes

Parameters:

code - the code list

constantFolding

public JExpression constantFolding()

genBranch

public void genBranch(boolean cond,
                      CodeSequence code,
                      at.dms.kjc.CodeLabel label)

Generates a sequence of bytescodes to branch on a label This method helps to handle heavy optimizables conditions

Overrides:

genBranch in class JExpression

Parameters:

code - the code list

genBranch

protected void genBranch(JExpression left,
                         JExpression right,
                         boolean cond,
                         CodeSequence code,
                         at.dms.kjc.CodeLabel label)

Optimize a bi-conditional expression

setLeft

public void setLeft(JExpression left)

Set what appears on the left of this.

setRight

public void setRight(JExpression right)

Set what appears on the right of this.

getLeft

public JExpression getLeft()

Returns what appears on left.

getRight

public JExpression getRight()

Returns what appears on right.

deepClone

public Object deepClone()

Returns a deep clone of this object.

Specified by:

deepClone in interface DeepCloneable

Overrides:

deepClone in class JExpression

deepCloneInto

protected void deepCloneInto(JBinaryExpression other)

Clones all fields of this into

other