floattype.java

JDK1.4编译器后端

package AST;
import java.util.HashSet;import java.util.LinkedHashSet;import java.io.FileNotFoundException;import java.io.File;import java.util.*;import beaver.*;import java.util.ArrayList;import java.util.zip.*;import java.io.*;


public class FloatType extends FloatingPointType implements Cloneable {
    public void flushCache() {
        super.flushCache();
        typeDescriptor_computed = false;
        typeDescriptor_value = null;
        jvmName_computed = false;
        jvmName_value = null;
    }
     @SuppressWarnings({"unchecked", "cast"})  public FloatType clone() throws CloneNotSupportedException {
        FloatType node = (FloatType)super.clone();
        node.typeDescriptor_computed = false;
        node.typeDescriptor_value = null;
        node.jvmName_computed = false;
        node.jvmName_value = null;
        node.in$Circle(false);
        node.is$Final(false);
    return node;
    }
     @SuppressWarnings({"unchecked", "cast"})  public FloatType copy() {
      try {
          FloatType node = (FloatType)clone();
          if(children != null) node.children = (ASTNode[])children.clone();
          return node;
      } catch (CloneNotSupportedException e) {
      }
      System.err.println("Error: Could not clone node of type " + getClass().getName() + "!");
      return null;
    }
     @SuppressWarnings({"unchecked", "cast"})  public FloatType fullCopy() {
        FloatType res = (FloatType)copy();
        for(int i = 0; i < getNumChildNoTransform(); i++) {
          ASTNode node = getChildNoTransform(i);
          if(node != null) node = node.fullCopy();
          res.setChild(node, i);
        }
        return res;
    }
    // Declared in Attributes.jrag at line 65

  public int addConstant(ConstantPool p, Constant c)    { return p.addConstant(c.floatValue()); }

    // Declared in CodeGeneration.jrag at line 551

  public void emitPushConstant(CodeGeneration gen, int value) { FloatingPointLiteral.push(gen, value); }

    // Declared in CodeGeneration.jrag at line 621

  public void emitReturn(CodeGeneration gen)     { gen.emit(Bytecode.FRETURN);}

    // Declared in CodeGeneration.jrag at line 658

  public void emitLoadLocal(CodeGeneration gen, int pos) {
    gen.maxLocals = Math.max(gen.maxLocals, pos+1);
    if(pos == 0) gen.emit(Bytecode.FLOAD_0);
    else if(pos == 1) gen.emit(Bytecode.FLOAD_1);
    else if(pos == 2) gen.emit(Bytecode.FLOAD_2);
    else if(pos == 3) gen.emit(Bytecode.FLOAD_3);
    else if(pos < 256) gen.emit(Bytecode.FLOAD).add(pos);
    else gen.emit(Bytecode.WIDE).emit(Bytecode.FLOAD).add2(pos);
  }

    // Declared in CodeGeneration.jrag at line 771

  public void emitStoreLocal(CodeGeneration gen, int pos) {
    gen.maxLocals = Math.max(gen.maxLocals, pos+1);
    if(pos == 0) gen.emit(Bytecode.FSTORE_0);
    else if(pos == 1) gen.emit(Bytecode.FSTORE_1);
    else if(pos == 2) gen.emit(Bytecode.FSTORE_2);
    else if(pos == 3) gen.emit(Bytecode.FSTORE_3);
    else if(pos < 256) gen.emit(Bytecode.FSTORE).add(pos);
    else gen.emit(Bytecode.WIDE).emit(Bytecode.FSTORE).add2(pos);
  }

    // Declared in CodeGeneration.jrag at line 949

  void emitCastTo(CodeGeneration gen, TypeDecl type)    { type.floatToThis(gen); }

    // Declared in CodeGeneration.jrag at line 961

  void intToThis(CodeGeneration gen)  { gen.emit(Bytecode.I2F); }

    // Declared in CodeGeneration.jrag at line 972

  void floatToThis(CodeGeneration gen)  { }

    // Declared in CodeGeneration.jrag at line 981

  void doubleToThis(CodeGeneration gen)  { gen.emit(Bytecode.D2F); }

    // Declared in CodeGeneration.jrag at line 990

  void longToThis(CodeGeneration gen)  { gen.emit(Bytecode.L2F); }

    // Declared in CodeGeneration.jrag at line 997

  void byteToThis(CodeGeneration gen)    { gen.emit(Bytecode.I2F); }

    // Declared in CodeGeneration.jrag at line 1005

  void charToThis(CodeGeneration gen)    { gen.emit(Bytecode.I2F); }

    // Declared in CodeGeneration.jrag at line 1013

  void shortToThis(CodeGeneration gen)    { gen.emit(Bytecode.I2F); }

    // Declared in CodeGeneration.jrag at line 1045

  void neg(CodeGeneration gen)    { gen.emit(Bytecode.FNEG); }

    // Declared in CodeGeneration.jrag at line 1057

  void add(CodeGeneration gen) {gen.emit(Bytecode.FADD);}

    // Declared in CodeGeneration.jrag at line 1063

  void sub(CodeGeneration gen) {gen.emit(Bytecode.FSUB);}

    // Declared in CodeGeneration.jrag at line 1069

  void mul(CodeGeneration gen) {gen.emit(Bytecode.FMUL);}

    // Declared in CodeGeneration.jrag at line 1075

  void div(CodeGeneration gen) {gen.emit(Bytecode.FDIV);}

    // Declared in CodeGeneration.jrag at line 1081

  void rem(CodeGeneration gen) {gen.emit(Bytecode.FREM);}

    // Declared in CodeGeneration.jrag at line 1116

  public void branchLT(CodeGeneration gen, int label)    { gen.emit(Bytecode.FCMPG).emitCompare(Bytecode.IFLT, label); }

    // Declared in CodeGeneration.jrag at line 1122

  public void branchLE(CodeGeneration gen, int label)    { gen.emit(Bytecode.FCMPG).emitCompare(Bytecode.IFLE, label); }

    // Declared in CodeGeneration.jrag at line 1128

  public void branchGE(CodeGeneration gen, int label)    { gen.emit(Bytecode.FCMPL).emitCompare(Bytecode.IFGE, label); }

    // Declared in CodeGeneration.jrag at line 1134

  public void branchGT(CodeGeneration gen, int label)    { gen.emit(Bytecode.FCMPL).emitCompare(Bytecode.IFGT, label); }

    // Declared in CodeGeneration.jrag at line 1140

  public void branchEQ(CodeGeneration gen, int label)     { gen.emit(Bytecode.FCMPL).emitCompare(Bytecode.IFEQ, label); }

    // Declared in CodeGeneration.jrag at line 1149

  public void branchNE(CodeGeneration gen, int label)     { gen.emit(Bytecode.FCMPL).emitCompare(Bytecode.IFNE, label); }

    // Declared in java.ast at line 3
    // Declared in java.ast line 59

    public FloatType() {
        super();

        setChild(new Opt(), 1);
        setChild(new List(), 2);

    }

    // Declared in java.ast at line 12


    // Declared in java.ast line 59
    public FloatType(Modifiers p0, String p1, Opt<Access> p2, List<BodyDecl> p3) {
        setChild(p0, 0);
        setID(p1);
        setChild(p2, 1);
        setChild(p3, 2);
    }

    // Declared in java.ast at line 20


    // Declared in java.ast line 59
    public FloatType(Modifiers p0, beaver.Symbol p1, Opt<Access> p2, List<BodyDecl> p3) {
        setChild(p0, 0);
        setID(p1);
        setChild(p2, 1);
        setChild(p3, 2);
    }

    // Declared in java.ast at line 27


  protected int numChildren() {
    return 3;
  }

    // Declared in java.ast at line 30

  public boolean mayHaveRewrite() { return false; }

    // Declared in java.ast at line 2
    // Declared in java.ast line 42
    public void setModifiers(Modifiers node) {
        setChild(node, 0);
    }

    // Declared in java.ast at line 5

    public Modifiers getModifiers() {
        return (Modifiers)getChild(0);
    }

    // Declared in java.ast at line 9


    public Modifiers getModifiersNoTransform() {
        return (Modifiers)getChildNoTransform(0);
    }

    // Declared in java.ast at line 2
    // Declared in java.ast line 42
    public void setSuperClassAccessOpt(Opt<Access> opt) {
        setChild(opt, 1);
    }

    // Declared in java.ast at line 6


    public boolean hasSuperClassAccess() {
        return getSuperClassAccessOpt().getNumChild() != 0;
    }

    // Declared in java.ast at line 10


     @SuppressWarnings({"unchecked", "cast"})  public Access getSuperClassAccess() {
        return (Access)getSuperClassAccessOpt().getChild(0);
    }

    // Declared in java.ast at line 14


    public void setSuperClassAccess(Access node) {
        getSuperClassAccessOpt().setChild(node, 0);
    }

    // Declared in java.ast at line 17