at.dms.kjc
Class JBinaryArithmeticExpression

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

All Implemented Interfaces:

Constants, DeepCloneable, Finalizable, Serializable

Direct Known Subclasses:

JAddExpression, JBitwiseExpression, JDivideExpression, JMinusExpression, JModuloExpression, JMultExpression, JShiftExpression

public abstract class JBinaryArithmeticExpression
extends JBinaryExpression

This class is an abstract root class for binary expressions

See Also:

Serialized Form

Field Summary

Fields inherited from class at.dms.kjc.JBinaryExpression

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

Method Summary

abstract JExpression	analyse(CExpressionContext context) Analyses the expression (semantically).
double	compute(double left, double right) Computes the result of the operation at compile-time (JLS 15.28).
float	compute(float left, float right) Computes the result of the operation at compile-time (JLS 15.28).
int	compute(int left, int right) Computes the result of the operation at compile-time (JLS 15.28).
long	compute(long left, long right) Computes the result of the operation at compile-time (JLS 15.28).
static CType	computeType(String operator, CType left, CType right) compute the type of this expression according to operands
JExpression	constantFolding() Computes the result of the operation at compile-time (JLS 15.28).
Object	deepClone() Returns a deep clone of this object.
protected void	deepCloneInto(JBinaryArithmeticExpression other) Clones all fields of this into

Methods inherited from class at.dms.kjc.JBinaryExpression

deepCloneInto, genBooleanResultCode, genBranch, genBranch, getLeft, getRight, getType, setLeft, setRight, setType

Methods inherited from class at.dms.kjc.JExpression

accept, accept, accept, 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

Constructor Detail

JBinaryArithmeticExpression

protected JBinaryArithmeticExpression()

JBinaryArithmeticExpression

public JBinaryArithmeticExpression(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

analyse

public abstract JExpression analyse(CExpressionContext context)
                             throws PositionedError

Analyses the expression (semantically).

Specified by:

analyse in class JExpression

Parameters:

context - the analysis context

Returns:

an equivalent, analysed expression

Throws:

PositionedError - the analysis detected an error

computeType

public static CType computeType(String operator,
                                CType left,
                                CType right)
                         throws UnpositionedError

compute the type of this expression according to operands

Parameters:

operator - the binary arithmetic operator

left - the type of left operand

right - the type of right operand

Returns:

the type computed for this binary operation

Throws:

UnpositionedError - this error will be positioned soon

constantFolding

public JExpression constantFolding()

Computes the result of the operation at compile-time (JLS 15.28).

Overrides:

constantFolding in class JBinaryExpression

Returns:

the literal holding the result of the operation

compute

public int compute(int left,
                   int right)

Computes the result of the operation at compile-time (JLS 15.28).

Parameters:

left - the first operand

right - the seconds operand

Returns:

the result of the operation

compute

public long compute(long left,
                    long right)

Computes the result of the operation at compile-time (JLS 15.28).

Parameters:

left - the first operand

right - the seconds operand

Returns:

the result of the operation

compute

public float compute(float left,
                     float right)

Computes the result of the operation at compile-time (JLS 15.28).

Parameters:

left - the first operand

right - the seconds operand

Returns:

the result of the operation

compute

public double compute(double left,
                      double right)

Computes the result of the operation at compile-time (JLS 15.28).

Parameters:

left - the first operand

right - the seconds operand

Returns:

the result of the operation

deepClone

public Object deepClone()

Returns a deep clone of this object.

Specified by:

deepClone in interface DeepCloneable

Overrides:

deepClone in class JBinaryExpression

deepCloneInto

protected void deepCloneInto(JBinaryArithmeticExpression other)

Clones all fields of this into

other