constructoraccess.java

来自「JDK1.4编译器后端」· Java 代码 · 共 500 行 · 第 1/2 页

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 ConstructorAccess extends Access implements Cloneable {
    public void flushCache() {
        super.flushCache();
        decls_computed = false;
        decls_value = null;
        decl_computed = false;
        decl_value = null;
        type_computed = false;
        type_value = null;
    }
     @SuppressWarnings({"unchecked", "cast"})  public ConstructorAccess clone() throws CloneNotSupportedException {
        ConstructorAccess node = (ConstructorAccess)super.clone();
        node.decls_computed = false;
        node.decls_value = null;
        node.decl_computed = false;
        node.decl_value = null;
        node.type_computed = false;
        node.type_value = null;
        node.in$Circle(false);
        node.is$Final(false);
    return node;
    }
     @SuppressWarnings({"unchecked", "cast"})  public ConstructorAccess copy() {
      try {
          ConstructorAccess node = (ConstructorAccess)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 ConstructorAccess fullCopy() {
        ConstructorAccess res = (ConstructorAccess)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 ExceptionHandling.jrag at line 97


  public void exceptionHandling() {
    for(int i = 0; i < decl().getNumException(); i++) {
      TypeDecl exceptionType = decl().getException(i).type();
      if(!handlesException(exceptionType))
        error("" + this + " may throw uncaught exception " + exceptionType.fullName());
    }
  }

    // Declared in ExceptionHandling.jrag at line 244

  
  // 8.8.4 (8.4.4)
  protected boolean reachedException(TypeDecl catchType) {
    for(int i = 0; i < decl().getNumException(); i++) {
      TypeDecl exceptionType = decl().getException(i).type();
      if(catchType.mayCatch(exceptionType))
        return true;
    }
    return super.reachedException(catchType);
  }

    // Declared in NameCheck.jrag at line 112


  public void nameCheck() {
    super.nameCheck();
    if(decls().isEmpty())
      error("no constructor named " + this);
    if(decls().size() > 1 && validArgs()) {
      error("several most specific constructors for " + this);
      for(Iterator iter = decls().iterator(); iter.hasNext(); ) {
        error("         " + ((ConstructorDecl)iter.next()).signature());
      }
    }
  }

    // Declared in PrettyPrint.jadd at line 486


  public void toString(StringBuffer s) {
    s.append(name());
    s.append("(");
    if(getNumArg() > 0) {
      getArg(0).toString(s);
      for(int i = 1; i < getNumArg(); i++) {
        s.append(", ");
        getArg(i).toString(s);
      }
    }
    s.append(")");
  }

    // Declared in CreateBCode.jrag at line 582



  public void createBCode(CodeGeneration gen) {
    ConstructorDecl c = decl();
    int index = 0;
    // this
    gen.emitLoadReference(index++);
    // this$0
    if(c.needsEnclosing())
      gen.emitLoadReference(index++);
    if(c.needsSuperEnclosing())
      gen.emitLoadReference(index++);

    // args
    for (int i = 0; i < getNumArg(); ++i) {
      getArg(i).createBCode(gen);
      getArg(i).type().emitCastTo(gen, decl().getParameter(i).type()); // MethodInvocationConversion
    }
    if(decl().isPrivate() && decl().hostType() != hostType()) {
      gen.emit(Bytecode.ACONST_NULL);
      decl().createAccessor().emitInvokeConstructor(gen);
    }
    else {
      decl().emitInvokeConstructor(gen);
    }
  }

    // Declared in InnerClasses.jrag at line 439


  // add val$name as arguments to the constructor
  protected boolean addEnclosingVariables = true;

    // Declared in InnerClasses.jrag at line 440

  public void addEnclosingVariables() {
    if(!addEnclosingVariables) return;
    addEnclosingVariables = false;
    decl().addEnclosingVariables();
    for(Iterator iter = decl().hostType().enclosingVariables().iterator(); iter.hasNext(); ) {
      Variable v = (Variable)iter.next();
      getArgList().add(new VarAccess("val$" + v.name()));
    }
  }

    // Declared in Transformations.jrag at line 137


  // remote collection / demand driven creation of accessor
  public void transformation() {
    // this$val
    addEnclosingVariables();
    // touch accessorIndex go force creation of private constructorAccessor
    if(decl().isPrivate() && decl().hostType() != hostType()) {
      decl().createAccessor();
    }
    super.transformation();
  }

    // Declared in java.ast at line 3
    // Declared in java.ast line 18

    public ConstructorAccess() {
        super();

        setChild(new List(), 0);

    }

    // Declared in java.ast at line 11


    // Declared in java.ast line 18
    public ConstructorAccess(String p0, List<Expr> p1) {
        setID(p0);
        setChild(p1, 0);
    }

    // Declared in java.ast at line 17


    // Declared in java.ast line 18
    public ConstructorAccess(beaver.Symbol p0, List<Expr> p1) {
        setID(p0);
        setChild(p1, 0);
    }

    // Declared in java.ast at line 22


  protected int numChildren() {
    return 1;
  }

    // Declared in java.ast at line 25

  public boolean mayHaveRewrite() { return false; }

    // Declared in java.ast at line 2
    // Declared in java.ast line 18
    private String tokenString_ID;

    // Declared in java.ast at line 3

    public void setID(String value) {
        tokenString_ID = value;
    }

    // Declared in java.ast at line 6

    public int IDstart;

    // Declared in java.ast at line 7

    public int IDend;

    // Declared in java.ast at line 8

    public void setID(beaver.Symbol symbol) {
        if(symbol.value != null && !(symbol.value instanceof String))
          throw new UnsupportedOperationException("setID is only valid for String lexemes");
        tokenString_ID = (String)symbol.value;
        IDstart = symbol.getStart();
        IDend = symbol.getEnd();
    }

    // Declared in java.ast at line 15

    public String getID() {
        return tokenString_ID != null ? tokenString_ID : "";
    }

    // Declared in java.ast at line 2
    // Declared in java.ast line 18
    public void setArgList(List<Expr> list) {
        setChild(list, 0);
    }

    // Declared in java.ast at line 6


    private int getNumArg = 0;

    // Declared in java.ast at line 7

    public int getNumArg() {
        return getArgList().getNumChild();