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/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
\* */
// $Id$
package scalac.atree;
/** This class represents a primitive operation. */
public class APrimitive {
//########################################################################
// Public Cases
// type : (type) => type
// range: type <- { BOOL, Ix, Ux, Rx }
// jvm : {i, l, f, d}neg
public case Negation(ATypeKind kind);
// type : zero ? (type) => BOOL : (type,type) => BOOL
// range: type <- { BOOL, Ix, Ux, Rx, REF }
// jvm : if{eq, ne, lt, ge, le, gt}, if{null, nonnull}
// if_icmp{eq, ne, lt, ge, le, gt}, if_acmp{eq,ne}
public case Test(ATestOp op, ATypeKind kind, boolean zero);
// type : (type,type) => I4
// range: type <- { Ix, Ux, Rx }
// jvm : lcmp, {f, d}cmp{l, g}
public case Comparison(AComparisonOp op, ATypeKind kind);
// type : (type,type) => type
// range: type <- { Ix, Ux, Rx }
// jvm : {i, l, f, d}{add, sub, mul, div, rem}
public case Arithmetic(AArithmeticOp op, ATypeKind kind);
// type : (type,type) => type
// range: type <- { BOOL, Ix, Ux }
// jvm : {i, l}{and, or, xor}
public case Logical(ALogicalOp op, ATypeKind kind);
// type : (type,I4) => type
// range: type <- { Ix, Ux }
// jvm : {i, l}{shl, ushl, shr}
public case Shift(AShiftOp op, ATypeKind kind);
// type : (src) => dst
// range: src,dst <- { Ix, Ux, Rx }
// jvm : i2{l, f, d}, l2{i, f, d}, f2{i, l, d}, d2{i, l, f}, i2{b, c, s}
public case Conversion(ATypeKind src, ATypeKind dst);
// type : (Array[REF]) => I4
// range: type <- { BOOL, Ix, Ux, Rx, REF }
// jvm : arraylength
public case ArrayLength(ATypeKind kind);
// type : (lf,rg) => STR
// range: lf,rg <- { BOOL, Ix, Ux, Rx, REF, STR }
// jvm : -
public case StringConcat(ATypeKind lf, ATypeKind rg);
//########################################################################
// Public Methods
/** Returns a string representation of this primitive. */
public String toString() {
return new ATreePrinter().printPrimitive(this).toString();
}
//########################################################################
}
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