Archived
Format code and fix warnings.
This commit is contained in:
Deryck Brown
@@ -21,44 +21,44 @@ import java.io.IOException;
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public class Instruction {
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public Instruction() {
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op = 0;
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r = 0;
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n = 0;
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d = 0;
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}
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public Instruction() {
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op = 0;
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r = 0;
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n = 0;
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d = 0;
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}
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// Java has no type synonyms, so the following representations are
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// assumed:
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//
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// type
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// OpCode = 0..15; {4 bits unsigned}
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// Length = 0..255; {8 bits unsigned}
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// Operand = -32767..+32767; {16 bits signed}
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// Java has no type synonyms, so the following representations are
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// assumed:
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//
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// type
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// OpCode = 0..15; {4 bits unsigned}
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// Length = 0..255; {8 bits unsigned}
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// Operand = -32767..+32767; {16 bits signed}
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// Represents TAM instructions.
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public int op; // OpCode
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public int r; // RegisterNumber
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public int n; // Length
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public int d; // Operand
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// Represents TAM instructions.
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public int op; // OpCode
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public int r; // RegisterNumber
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public int n; // Length
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public int d; // Operand
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public void write(DataOutputStream output) throws IOException {
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output.writeInt(op);
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output.writeInt(r);
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output.writeInt(n);
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output.writeInt(d);
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}
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public void write(DataOutputStream output) throws IOException {
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output.writeInt(op);
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output.writeInt(r);
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output.writeInt(n);
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output.writeInt(d);
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}
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public static Instruction read(DataInputStream input) throws IOException {
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Instruction inst = new Instruction();
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try {
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inst.op = input.readInt();
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inst.r = input.readInt();
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inst.n = input.readInt();
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inst.d = input.readInt();
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return inst;
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} catch (EOFException s) {
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return null;
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}
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}
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public static Instruction read(DataInputStream input) throws IOException {
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Instruction inst = new Instruction();
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try {
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inst.op = input.readInt();
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inst.r = input.readInt();
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inst.n = input.readInt();
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inst.d = input.readInt();
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return inst;
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} catch (EOFException s) {
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return null;
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}
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}
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}
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@@ -16,110 +16,56 @@ package Triangle.AbstractMachine;
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public final class Machine {
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public final static int maxRoutineLevel = 7;
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public final static int maxRoutineLevel = 7;
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// WORDS AND ADDRESSES
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// WORDS AND ADDRESSES
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// Java has no type synonyms, so the following representations are
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// assumed:
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//
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// type
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// Word = -32767..+32767; {16 bits signed}
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// DoubleWord = -2147483648..+2147483647; {32 bits signed}
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// CodeAddress = 0..+32767; {15 bits unsigned}
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// DataAddress = 0..+32767; {15 bits unsigned}
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// Java has no type synonyms, so the following representations are
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// assumed:
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//
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// type
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// Word = -32767..+32767; {16 bits signed}
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// DoubleWord = -2147483648..+2147483647; {32 bits signed}
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// CodeAddress = 0..+32767; {15 bits unsigned}
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// DataAddress = 0..+32767; {15 bits unsigned}
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// INSTRUCTIONS
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// INSTRUCTIONS
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// Operation codes
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public final static int LOADop = 0,
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LOADAop = 1,
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LOADIop = 2,
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LOADLop = 3,
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STOREop = 4,
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STOREIop = 5,
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CALLop = 6,
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CALLIop = 7,
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RETURNop = 8,
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PUSHop = 10,
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POPop = 11,
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JUMPop = 12,
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JUMPIop = 13,
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JUMPIFop = 14,
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HALTop = 15;
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// Operation codes
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public final static int LOADop = 0, LOADAop = 1, LOADIop = 2, LOADLop = 3, STOREop = 4, STOREIop = 5, CALLop = 6,
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CALLIop = 7, RETURNop = 8, PUSHop = 10, POPop = 11, JUMPop = 12, JUMPIop = 13, JUMPIFop = 14, HALTop = 15;
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// CODE STORE
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// CODE STORE
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public static Instruction[] code = new Instruction[1024];
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public static Instruction[] code = new Instruction[1024];
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// CODE STORE REGISTERS
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// CODE STORE REGISTERS
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public final static int CB = 0,
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PB = 1024, // = upper bound of code array + 1
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PT = 1052; // = PB + 28
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public final static int CB = 0, PB = 1024, // = upper bound of code array + 1
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PT = 1052; // = PB + 28
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// REGISTER NUMBERS
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// REGISTER NUMBERS
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public final static int CBr = 0,
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CTr = 1,
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PBr = 2,
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PTr = 3,
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SBr = 4,
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STr = 5,
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HBr = 6,
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HTr = 7,
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LBr = 8,
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L1r = LBr + 1,
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L2r = LBr + 2,
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L3r = LBr + 3,
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L4r = LBr + 4,
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L5r = LBr + 5,
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L6r = LBr + 6,
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CPr = 15;
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public final static int CBr = 0, CTr = 1, PBr = 2, PTr = 3, SBr = 4, STr = 5, HBr = 6, HTr = 7, LBr = 8,
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L1r = LBr + 1, L2r = LBr + 2, L3r = LBr + 3, L4r = LBr + 4, L5r = LBr + 5, L6r = LBr + 6, CPr = 15;
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// DATA REPRESENTATION
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// DATA REPRESENTATION
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public final static int booleanSize = 1,
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characterSize = 1,
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integerSize = 1,
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addressSize = 1,
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closureSize = 2 * addressSize,
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public final static int booleanSize = 1, characterSize = 1, integerSize = 1, addressSize = 1,
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closureSize = 2 * addressSize,
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linkDataSize = 3 * addressSize,
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linkDataSize = 3 * addressSize,
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falseRep = 0,
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trueRep = 1,
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maxintRep = 32767;
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falseRep = 0, trueRep = 1, maxintRep = 32767;
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// ADDRESSES OF PRIMITIVE ROUTINES
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// ADDRESSES OF PRIMITIVE ROUTINES
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public final static int idDisplacement = 1,
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notDisplacement = 2,
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andDisplacement = 3,
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orDisplacement = 4,
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succDisplacement = 5,
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predDisplacement = 6,
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negDisplacement = 7,
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addDisplacement = 8,
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subDisplacement = 9,
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multDisplacement = 10,
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divDisplacement = 11,
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modDisplacement = 12,
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ltDisplacement = 13,
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leDisplacement = 14,
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geDisplacement = 15,
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gtDisplacement = 16,
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eqDisplacement = 17,
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neDisplacement = 18,
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eolDisplacement = 19,
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eofDisplacement = 20,
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getDisplacement = 21,
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putDisplacement = 22,
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geteolDisplacement = 23,
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puteolDisplacement = 24,
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getintDisplacement = 25,
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putintDisplacement = 26,
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newDisplacement = 27,
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disposeDisplacement = 28;
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public final static int idDisplacement = 1, notDisplacement = 2, andDisplacement = 3, orDisplacement = 4,
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succDisplacement = 5, predDisplacement = 6, negDisplacement = 7, addDisplacement = 8, subDisplacement = 9,
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multDisplacement = 10, divDisplacement = 11, modDisplacement = 12, ltDisplacement = 13, leDisplacement = 14,
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geDisplacement = 15, gtDisplacement = 16, eqDisplacement = 17, neDisplacement = 18, eolDisplacement = 19,
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eofDisplacement = 20, getDisplacement = 21, putDisplacement = 22, geteolDisplacement = 23,
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puteolDisplacement = 24, getintDisplacement = 25, putintDisplacement = 26, newDisplacement = 27,
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disposeDisplacement = 28;
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}
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