| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 */  | 
 | 
 | 
 | 
package sun.tools.javac;  | 
 | 
 | 
 | 
import sun.tools.java.*;  | 
 | 
import sun.tools.tree.*;  | 
 | 
import sun.tools.asm.*;  | 
 | 
import java.util.Vector;  | 
 | 
import java.util.Enumeration;  | 
 | 
import java.util.Hashtable;  | 
 | 
import java.io.PrintStream;  | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 */  | 
 | 
@Deprecated  | 
 | 
public  | 
 | 
class SourceMember extends MemberDefinition implements Constants { | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    Vector args;  | 
 | 
 | 
 | 
    // set to the MemberDefinition in the interface if we have this field because  | 
 | 
      | 
 | 
    MemberDefinition abstractSource;  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    int status;  | 
 | 
 | 
 | 
    static final int PARSED     = 0;  | 
 | 
    static final int CHECKING   = 1;  | 
 | 
    static final int CHECKED    = 2;  | 
 | 
    static final int INLINING   = 3;  | 
 | 
    static final int INLINED    = 4;  | 
 | 
    static final int ERROR      = 5;  | 
 | 
 | 
 | 
    public Vector getArguments() { | 
 | 
        return args;  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    public SourceMember(long where, ClassDefinition clazz,  | 
 | 
                       String doc, int modifiers, Type type,  | 
 | 
                       Identifier name, Vector argNames,  | 
 | 
                       IdentifierToken exp[], Node value) { | 
 | 
        super(where, clazz, modifiers, type, name, exp, value);  | 
 | 
        this.documentation = doc;  | 
 | 
        this.args = argNames;     | 
 | 
        // not until type names are resolved: createArgumentFields(argNames);  | 
 | 
 | 
 | 
        if (ClassDefinition.containsDeprecated(documentation)) { | 
 | 
            this.modifiers |= M_DEPRECATED;  | 
 | 
        }  | 
 | 
    }  | 
 | 
 | 
 | 
    void createArgumentFields(Vector argNames) { | 
 | 
          | 
 | 
        if (isMethod()) { | 
 | 
            args = new Vector();  | 
 | 
 | 
 | 
            if (isConstructor() || !(isStatic() || isInitializer())) { | 
 | 
                args.addElement(((SourceClass)clazz).getThisArgument());  | 
 | 
            }  | 
 | 
 | 
 | 
            if (argNames != null) { | 
 | 
                Enumeration e = argNames.elements();  | 
 | 
                Type argTypes[] = getType().getArgumentTypes();  | 
 | 
                for (int i = 0 ; i < argTypes.length ; i++) { | 
 | 
                    Object x = e.nextElement();  | 
 | 
                    if (x instanceof LocalMember) { | 
 | 
                        // This should not happen, but it does  | 
 | 
                          | 
 | 
                        args = argNames;  | 
 | 
                        return;  | 
 | 
                    }  | 
 | 
                    Identifier id;  | 
 | 
                    int mod;  | 
 | 
                    long where;  | 
 | 
                    if (x instanceof Identifier) { | 
 | 
                          | 
 | 
                        id = (Identifier)x;  | 
 | 
                        mod = 0;  | 
 | 
                        where = getWhere();  | 
 | 
                    } else { | 
 | 
                        IdentifierToken token = (IdentifierToken)x;  | 
 | 
                        id = token.getName();  | 
 | 
                        mod = token.getModifiers();  | 
 | 
                        where = token.getWhere();  | 
 | 
                    }  | 
 | 
                    args.addElement(new LocalMember(where, clazz, mod,  | 
 | 
                                                   argTypes[i], id));  | 
 | 
                }  | 
 | 
            }  | 
 | 
        }  | 
 | 
    }  | 
 | 
 | 
 | 
    // The methods addOuterThis() and addUplevelArguments() were  | 
 | 
    // both originally part of a single method called addUplevelArguments()  | 
 | 
    // which took a single boolean parameter describing which of the  | 
 | 
    // two behaviors it wanted.  | 
 | 
    //  | 
 | 
    // The original addUplevelArguments() claimed to keep the arguments in  | 
 | 
    // the following order:  | 
 | 
    //  | 
 | 
    // (1) <this> <early outer this> <uplevel arguments...> <true arguments...>  | 
 | 
    //  | 
 | 
    // (By <early outer this> I am referring to the clientOuterField added  | 
 | 
    // to some constructors when they are created.  If an outer this is  | 
 | 
    // added later, on demand, then this is mixed in with the rest of the  | 
 | 
    // uplevel arguments and is added by addUplevelArguments.)  | 
 | 
    //  | 
 | 
    // In reality, the `args' Vector was generated in this order, but the  | 
 | 
    // Type array `argTypes' was generated as:  | 
 | 
    //  | 
 | 
    // (2) <this> <uplevel arguments...> <early outer this> <true arguments...>  | 
 | 
    //  | 
 | 
    // This didn't make a difference in the common case -- that is, when  | 
 | 
    // a class had an <outer.this> or <uplevel arguments...> but not both.  | 
 | 
    // Both can happen in the case that a member class is declared inside  | 
 | 
    // of a local class.  It seems that the calling sequences, generated  | 
 | 
    // in places like NewInstanceExpression.codeCommon(), use order (2),  | 
 | 
    // so I have changed the code below to stick with that order.  Since  | 
 | 
    // the only time this happens is in classes which are insideLocal, no  | 
 | 
    // one should be able to tell the difference between these orders.  | 
 | 
    // (bug number 4085633)  | 
 | 
 | 
 | 
    LocalMember outerThisArg = null;  | 
 | 
 | 
 | 
    /**  | 
 | 
     * Get outer instance link, or null if none.  | 
 | 
     */  | 
 | 
 | 
 | 
    public LocalMember getOuterThisArg() { | 
 | 
        return outerThisArg;  | 
 | 
    }  | 
 | 
 | 
 | 
    /**  | 
 | 
     * Add the outer.this argument to the list of arguments for this  | 
 | 
     * constructor.  This is called from resolveTypeStructure.  Any  | 
 | 
     * additional uplevel arguments get added later by addUplevelArguments().  | 
 | 
     */  | 
 | 
 | 
 | 
    void addOuterThis() { | 
 | 
        UplevelReference refs = clazz.getReferences();  | 
 | 
 | 
 | 
          | 
 | 
        while (refs != null &&  | 
 | 
               !refs.isClientOuterField()) { | 
 | 
            refs = refs.getNext();  | 
 | 
        }  | 
 | 
 | 
 | 
          | 
 | 
        if (refs == null) { | 
 | 
            return;  | 
 | 
        }  | 
 | 
 | 
 | 
          | 
 | 
        Type oldArgTypes[] = type.getArgumentTypes();  | 
 | 
 | 
 | 
          | 
 | 
        Type argTypes[] = new Type[oldArgTypes.length + 1];  | 
 | 
 | 
 | 
        LocalMember arg = refs.getLocalArgument();  | 
 | 
        outerThisArg = arg;  | 
 | 
 | 
 | 
        // args is our list of arguments.  It contains a `this', so  | 
 | 
        // we insert at position 1.  The list of types does not have a  | 
 | 
          | 
 | 
        args.insertElementAt(arg, 1);  | 
 | 
        argTypes[0] = arg.getType();  | 
 | 
 | 
 | 
          | 
 | 
        for (int i = 0; i < oldArgTypes.length; i++) { | 
 | 
            argTypes[i + 1] = oldArgTypes[i];  | 
 | 
        }  | 
 | 
 | 
 | 
        type = Type.tMethod(type.getReturnType(), argTypes);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    void addUplevelArguments() { | 
 | 
        UplevelReference refs = clazz.getReferences();  | 
 | 
        clazz.getReferencesFrozen();  | 
 | 
 | 
 | 
          | 
 | 
        int count = 0;  | 
 | 
        for (UplevelReference r = refs; r != null; r = r.getNext()) { | 
 | 
            if (!r.isClientOuterField()) { | 
 | 
                count += 1;  | 
 | 
            }  | 
 | 
        }  | 
 | 
 | 
 | 
        if (count == 0) { | 
 | 
              | 
 | 
            return;  | 
 | 
        }  | 
 | 
 | 
 | 
          | 
 | 
        Type oldArgTypes[] = type.getArgumentTypes();  | 
 | 
 | 
 | 
          | 
 | 
        Type argTypes[] = new Type[oldArgTypes.length + count];  | 
 | 
 | 
 | 
        // Add all of the late uplevel references to args and argTypes.  | 
 | 
          | 
 | 
        int ins = 0;  | 
 | 
        for (UplevelReference r = refs; r != null; r = r.getNext()) { | 
 | 
            if (!r.isClientOuterField()) { | 
 | 
                LocalMember arg = r.getLocalArgument();  | 
 | 
 | 
 | 
                args.insertElementAt(arg, 1 + ins);  | 
 | 
                argTypes[ins] = arg.getType();  | 
 | 
 | 
 | 
                ins++;  | 
 | 
            }  | 
 | 
        }  | 
 | 
 | 
 | 
          | 
 | 
        for (int i = 0; i < oldArgTypes.length; i++) { | 
 | 
            argTypes[ins + i] = oldArgTypes[i];  | 
 | 
        }  | 
 | 
 | 
 | 
        type = Type.tMethod(type.getReturnType(), argTypes);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public SourceMember(ClassDefinition innerClass) { | 
 | 
        super(innerClass);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    public SourceMember(MemberDefinition f, ClassDefinition c, Environment env) { | 
 | 
        this(f.getWhere(), c, f.getDocumentation(),  | 
 | 
             f.getModifiers() | M_ABSTRACT, f.getType(), f.getName(), null,  | 
 | 
             f.getExceptionIds(), null);  | 
 | 
        this.args = f.getArguments();  | 
 | 
        this.abstractSource = f;  | 
 | 
        this.exp = f.getExceptions(env);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public ClassDeclaration[] getExceptions(Environment env) { | 
 | 
        if ((!isMethod()) || (exp != null)) { | 
 | 
            return exp;  | 
 | 
        }  | 
 | 
        if (expIds == null) { | 
 | 
              | 
 | 
            exp = new ClassDeclaration[0];  | 
 | 
            return exp;  | 
 | 
        }  | 
 | 
          | 
 | 
        env = ((SourceClass)getClassDefinition()).setupEnv(env);  | 
 | 
        exp = new ClassDeclaration[expIds.length];  | 
 | 
        for (int i = 0; i < exp.length; i++) { | 
 | 
            Identifier e = expIds[i].getName();  | 
 | 
            Identifier rexp = getClassDefinition().resolveName(env, e);  | 
 | 
            exp[i] = env.getClassDeclaration(rexp);  | 
 | 
        }  | 
 | 
        return exp;  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public void setExceptions(ClassDeclaration[] exp) { | 
 | 
        this.exp = exp;  | 
 | 
    }  | 
 | 
 | 
 | 
    /**  | 
 | 
     * Resolve types in a field, after parsing.  | 
 | 
     * @see ClassDefinition.resolveTypeStructure  | 
 | 
     */  | 
 | 
 | 
 | 
    public boolean resolved = false;  | 
 | 
 | 
 | 
    public void resolveTypeStructure(Environment env) { | 
 | 
        if (tracing) env.dtEnter("SourceMember.resolveTypeStructure: " + this); | 
 | 
 | 
 | 
        // A member should only be resolved once.  For a constructor, it is imperative  | 
 | 
        // that 'addOuterThis' be called only once, else the outer instance argument may  | 
 | 
        // be inserted into the argument list multiple times.  | 
 | 
 | 
 | 
        if (resolved) { | 
 | 
            if (tracing) env.dtEvent("SourceMember.resolveTypeStructure: OK " + this); | 
 | 
            // This case shouldn't be happening.  It is the responsibility  | 
 | 
            // of our callers to avoid attempting multiple resolutions of a member.  | 
 | 
              | 
 | 
            throw new CompilerError("multiple member type resolution"); | 
 | 
            //return;  | 
 | 
        } else { | 
 | 
            if (tracing) env.dtEvent("SourceMember.resolveTypeStructure: RESOLVING " + this); | 
 | 
            resolved = true;  | 
 | 
        }  | 
 | 
 | 
 | 
        super.resolveTypeStructure(env);  | 
 | 
        if (isInnerClass()) { | 
 | 
            ClassDefinition nc = getInnerClass();  | 
 | 
            if (nc instanceof SourceClass && !nc.isLocal()) { | 
 | 
                ((SourceClass)nc).resolveTypeStructure(env);  | 
 | 
            }  | 
 | 
            type = innerClass.getType();  | 
 | 
        } else { | 
 | 
            // Expand all class names in 'type', including those that are not  | 
 | 
            // fully-qualified or refer to inner classes, into fully-qualified  | 
 | 
            // names.  Local and anonymous classes get synthesized names here,  | 
 | 
            // corresponding to the class files that will be generated.  This is  | 
 | 
              | 
 | 
            type = env.resolveNames(getClassDefinition(), type, isSynthetic());  | 
 | 
 | 
 | 
              | 
 | 
            getExceptions(env);  | 
 | 
 | 
 | 
            if (isMethod()) { | 
 | 
                Vector argNames = args; args = null;  | 
 | 
                createArgumentFields(argNames);  | 
 | 
                  | 
 | 
                if (isConstructor()) { | 
 | 
                    addOuterThis();  | 
 | 
                }  | 
 | 
            }  | 
 | 
        }  | 
 | 
        if (tracing) env.dtExit("SourceMember.resolveTypeStructure: " + this); | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public ClassDeclaration getDefiningClassDeclaration() { | 
 | 
        if (abstractSource == null)  | 
 | 
            return super.getDefiningClassDeclaration();  | 
 | 
        else  | 
 | 
            return abstractSource.getDefiningClassDeclaration();  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    public boolean reportDeprecated(Environment env) { | 
 | 
        return false;  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    public void check(Environment env) throws ClassNotFound { | 
 | 
        if (tracing) env.dtEnter("SourceMember.check: " + | 
 | 
                                 getName() + ", status = " + status);  | 
 | 
          | 
 | 
        if (status == PARSED) { | 
 | 
            if (isSynthetic() && getValue() == null) { | 
 | 
                  | 
 | 
                status = CHECKED;  | 
 | 
                if (tracing)  | 
 | 
                    env.dtExit("SourceMember.check: BREAKING CYCLE"); | 
 | 
                return;  | 
 | 
            }  | 
 | 
            if (tracing) env.dtEvent("SourceMember.check: CHECKING CLASS"); | 
 | 
            clazz.check(env);  | 
 | 
            if (status == PARSED) { | 
 | 
                if (getClassDefinition().getError()) { | 
 | 
                    status = ERROR;  | 
 | 
                } else { | 
 | 
                    if (tracing)  | 
 | 
                        env.dtExit("SourceMember.check: CHECK FAILED"); | 
 | 
                    throw new CompilerError("check failed"); | 
 | 
                }  | 
 | 
            }  | 
 | 
        }  | 
 | 
        if (tracing) env.dtExit("SourceMember.check: DONE " + | 
 | 
                                getName() + ", status = " + status);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
     */  | 
 | 
    public Vset check(Environment env, Context ctx, Vset vset) throws ClassNotFound { | 
 | 
        if (tracing) env.dtEvent("SourceMember.check: MEMBER " + | 
 | 
                                 getName() + ", status = " + status);  | 
 | 
        if (status == PARSED) { | 
 | 
            if (isInnerClass()) { | 
 | 
                  | 
 | 
                ClassDefinition nc = getInnerClass();  | 
 | 
                if (nc instanceof SourceClass && !nc.isLocal()  | 
 | 
                    && nc.isInsideLocal()) { | 
 | 
                    status = CHECKING;  | 
 | 
                    vset = ((SourceClass)nc).checkInsideClass(env, ctx, vset);  | 
 | 
                }  | 
 | 
                status = CHECKED;  | 
 | 
                return vset;  | 
 | 
            }  | 
 | 
            if (env.dump()) { | 
 | 
                System.out.println("[check field " + getClassDeclaration().getName() + "." + getName() + "]"); | 
 | 
                if (getValue() != null) { | 
 | 
                    getValue().print(System.out);  | 
 | 
                    System.out.println();  | 
 | 
                }  | 
 | 
            }  | 
 | 
            env = new Environment(env, this);  | 
 | 
 | 
 | 
            // This is where all checking of names appearing within the type  | 
 | 
            // of the member is done.  Includes return type and argument types.  | 
 | 
            // Since only one location ('where') for error messages is provided, | 
 | 
              | 
 | 
            env.resolve(where, getClassDefinition(), getType());  | 
 | 
 | 
 | 
            // Make sure that all the classes that we claim to throw really  | 
 | 
              | 
 | 
            if (isMethod()) { | 
 | 
                ClassDeclaration throwable =  | 
 | 
                    env.getClassDeclaration(idJavaLangThrowable);  | 
 | 
                ClassDeclaration exp[] = getExceptions(env);  | 
 | 
                for (int i = 0 ; i < exp.length ; i++) { | 
 | 
                    ClassDefinition def;  | 
 | 
                    long where = getWhere();  | 
 | 
                    if (expIds != null && i < expIds.length) { | 
 | 
                        where = IdentifierToken.getWhere(expIds[i], where);  | 
 | 
                    }  | 
 | 
                    try { | 
 | 
                        def = exp[i].getClassDefinition(env);  | 
 | 
 | 
 | 
                        // Validate access for all inner-class components  | 
 | 
                        // of a qualified name, not just the last one, which  | 
 | 
                        // is checked below.  Yes, this is a dirty hack...  | 
 | 
                          | 
 | 
                        env.resolveByName(where, getClassDefinition(), def.getName());  | 
 | 
 | 
 | 
                    } catch (ClassNotFound e) { | 
 | 
                        env.error(where, "class.not.found", e.name, "throws");  | 
 | 
                        break;  | 
 | 
                    }  | 
 | 
                    def.noteUsedBy(getClassDefinition(), where, env);  | 
 | 
                    if (!getClassDefinition().  | 
 | 
                          canAccess(env, def.getClassDeclaration())) { | 
 | 
                        env.error(where, "cant.access.class", def);  | 
 | 
                    } else if (!def.subClassOf(env, throwable)) { | 
 | 
                        env.error(where, "throws.not.throwable", def);  | 
 | 
                    }  | 
 | 
                }  | 
 | 
            }  | 
 | 
 | 
 | 
            status = CHECKING;  | 
 | 
 | 
 | 
            if (isMethod() && args != null) { | 
 | 
                int length = args.size();  | 
 | 
            outer_loop:  | 
 | 
                for (int i = 0; i < length; i++) { | 
 | 
                    LocalMember lf = (LocalMember)(args.elementAt(i));  | 
 | 
                    Identifier name_i = lf.getName();  | 
 | 
                    for (int j = i + 1; j < length; j++) { | 
 | 
                        LocalMember lf2 = (LocalMember)(args.elementAt(j));  | 
 | 
                        Identifier name_j = lf2.getName();  | 
 | 
                        if (name_i.equals(name_j)) { | 
 | 
                            env.error(lf2.getWhere(), "duplicate.argument",  | 
 | 
                                      name_i);  | 
 | 
                            break outer_loop;  | 
 | 
                        }  | 
 | 
                    }  | 
 | 
                }  | 
 | 
            }  | 
 | 
 | 
 | 
            if (getValue() != null) { | 
 | 
                ctx = new Context(ctx, this);  | 
 | 
 | 
 | 
                if (isMethod()) { | 
 | 
                    Statement s = (Statement)getValue();  | 
 | 
                    // initialize vset, indication that each of the arguments  | 
 | 
                    // to the function has a value  | 
 | 
 | 
 | 
                    for (Enumeration e = args.elements(); e.hasMoreElements();){ | 
 | 
                        LocalMember f = (LocalMember)e.nextElement();  | 
 | 
                        vset.addVar(ctx.declare(env, f));  | 
 | 
                    }  | 
 | 
 | 
 | 
                    if (isConstructor()) { | 
 | 
                        // Undefine "this" in some constructors, until after  | 
 | 
                          | 
 | 
                        vset.clearVar(ctx.getThisNumber());  | 
 | 
 | 
 | 
                        // If the first thing in the definition isn't a call  | 
 | 
                          | 
 | 
                        Expression supCall = s.firstConstructor();  | 
 | 
                        if ((supCall == null)  | 
 | 
                            && (getClassDefinition().getSuperClass() != null)) { | 
 | 
                            supCall = getDefaultSuperCall(env);  | 
 | 
                            Statement scs = new ExpressionStatement(where,  | 
 | 
                                                                    supCall);  | 
 | 
                            s = Statement.insertStatement(scs, s);  | 
 | 
                            setValue(s);  | 
 | 
                        }  | 
 | 
                    }  | 
 | 
 | 
 | 
                      | 
 | 
                    ClassDeclaration exp[] = getExceptions(env);  | 
 | 
                    int htsize = (exp.length > 3) ? 17 : 7;  | 
 | 
                    Hashtable thrown = new Hashtable(htsize);  | 
 | 
 | 
 | 
                    vset = s.checkMethod(env, ctx, vset, thrown);  | 
 | 
 | 
 | 
                    ClassDeclaration ignore1 =  | 
 | 
                        env.getClassDeclaration(idJavaLangError);  | 
 | 
                    ClassDeclaration ignore2 =  | 
 | 
                        env.getClassDeclaration(idJavaLangRuntimeException);  | 
 | 
 | 
 | 
                    for (Enumeration e = thrown.keys(); e.hasMoreElements();) { | 
 | 
                        ClassDeclaration c = (ClassDeclaration)e.nextElement();  | 
 | 
                        ClassDefinition def = c.getClassDefinition(env);  | 
 | 
                        if (def.subClassOf(env, ignore1)  | 
 | 
                                 || def.subClassOf(env, ignore2)) { | 
 | 
                            continue;  | 
 | 
                        }  | 
 | 
 | 
 | 
                        boolean ok = false;  | 
 | 
                        if (!isInitializer()) { | 
 | 
                            for (int i = 0 ; i < exp.length ; i++) { | 
 | 
                                if (def.subClassOf(env, exp[i])) { | 
 | 
                                    ok = true;  | 
 | 
                                }  | 
 | 
                            }  | 
 | 
                        }  | 
 | 
                        if (!ok) { | 
 | 
                            Node n = (Node)thrown.get(c);  | 
 | 
                            long where = n.getWhere();  | 
 | 
                            String errorMsg;  | 
 | 
 | 
 | 
                            if (isConstructor()) { | 
 | 
                                if (where ==  | 
 | 
                                    getClassDefinition().getWhere()) { | 
 | 
 | 
 | 
                                    // If this message is being generated for  | 
 | 
                                    // a default constructor, we should give  | 
 | 
                                    // a different error message.  Currently  | 
 | 
                                    // we check for this by seeing if the  | 
 | 
                                    // constructor has the same "where" as  | 
 | 
                                    // its class.  This is a bit kludgy, but  | 
 | 
                                      | 
 | 
                                    errorMsg = "def.constructor.exception";  | 
 | 
                                } else { | 
 | 
                                      | 
 | 
                                    errorMsg = "constructor.exception";  | 
 | 
                                }  | 
 | 
                            } else if (isInitializer()) { | 
 | 
                                  | 
 | 
                                errorMsg = "initializer.exception";  | 
 | 
                            } else { | 
 | 
                                  | 
 | 
                                errorMsg = "uncaught.exception";  | 
 | 
                            }  | 
 | 
                            env.error(where, errorMsg, c.getName());  | 
 | 
                        }  | 
 | 
                    }  | 
 | 
                } else { | 
 | 
                    Hashtable thrown = new Hashtable(3);    | 
 | 
                    Expression val = (Expression)getValue();  | 
 | 
 | 
 | 
                    vset = val.checkInitializer(env, ctx, vset,  | 
 | 
                                                getType(), thrown);  | 
 | 
                    setValue(val.convert(env, ctx, getType(), val));  | 
 | 
 | 
 | 
                    // Complain about static final members of inner classes that  | 
 | 
                    // do not have an initializer that is a constant expression.  | 
 | 
                    // In general, static members are not permitted for inner  | 
 | 
                    // classes, but an exception is made for named constants.  | 
 | 
                    // Other cases of static members, including non-final ones,  | 
 | 
                      | 
 | 
                    if (isStatic() && isFinal() && !clazz.isTopLevel()) { | 
 | 
                        if (!((Expression)getValue()).isConstant()) { | 
 | 
                            env.error(where, "static.inner.field", getName(), this);  | 
 | 
                            setValue(null);  | 
 | 
                        }  | 
 | 
                    }  | 
 | 
 | 
 | 
 | 
 | 
                    // Both RuntimeExceptions and Errors should be  | 
 | 
                      | 
 | 
                    ClassDeclaration except =  | 
 | 
                         env.getClassDeclaration(idJavaLangThrowable);  | 
 | 
                    ClassDeclaration ignore1 =  | 
 | 
                        env.getClassDeclaration(idJavaLangError);  | 
 | 
                    ClassDeclaration ignore2 =  | 
 | 
                        env.getClassDeclaration(idJavaLangRuntimeException);  | 
 | 
 | 
 | 
                    for (Enumeration e = thrown.keys(); e.hasMoreElements(); ) { | 
 | 
                        ClassDeclaration c = (ClassDeclaration)e.nextElement();  | 
 | 
                        ClassDefinition def = c.getClassDefinition(env);  | 
 | 
 | 
 | 
                        if (!def.subClassOf(env, ignore1)  | 
 | 
                            && !def.subClassOf(env, ignore2)  | 
 | 
                            && def.subClassOf(env, except)) { | 
 | 
                            Node n = (Node)thrown.get(c);  | 
 | 
                            env.error(n.getWhere(),  | 
 | 
                                      "initializer.exception", c.getName());  | 
 | 
                        }  | 
 | 
                    }  | 
 | 
                }  | 
 | 
                if (env.dump()) { | 
 | 
                    getValue().print(System.out);  | 
 | 
                    System.out.println();  | 
 | 
                }  | 
 | 
            }  | 
 | 
            status = getClassDefinition().getError() ? ERROR : CHECKED;  | 
 | 
        }  | 
 | 
 | 
 | 
 | 
 | 
          | 
 | 
        if (isInitializer() && vset.isDeadEnd()) { | 
 | 
            env.error(where, "init.no.normal.completion");  | 
 | 
            vset = vset.clearDeadEnd();  | 
 | 
        }  | 
 | 
 | 
 | 
        return vset;  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
    private Expression getDefaultSuperCall(Environment env) { | 
 | 
        Expression se = null;  | 
 | 
        ClassDefinition sclass = getClassDefinition().getSuperClass().getClassDefinition();  | 
 | 
          | 
 | 
        ClassDefinition reqc = (sclass == null) ? null  | 
 | 
                             : sclass.isTopLevel() ? null  | 
 | 
                             : sclass.getOuterClass();  | 
 | 
        ClassDefinition thisc = getClassDefinition();  | 
 | 
        if (reqc != null && !Context.outerLinkExists(env, reqc, thisc)) { | 
 | 
            se = new SuperExpression(where, new NullExpression(where));  | 
 | 
            env.error(where, "no.default.outer.arg", reqc, getClassDefinition());  | 
 | 
        }  | 
 | 
        if (se == null) { | 
 | 
            se = new SuperExpression(where);  | 
 | 
        }  | 
 | 
        return new MethodExpression(where, se, idInit, new Expression[0]);  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    void inline(Environment env) throws ClassNotFound { | 
 | 
        switch (status) { | 
 | 
          case PARSED:  | 
 | 
            check(env);  | 
 | 
            inline(env);  | 
 | 
            break;  | 
 | 
 | 
 | 
          case CHECKED:  | 
 | 
            if (env.dump()) { | 
 | 
                System.out.println("[inline field " + getClassDeclaration().getName() + "." + getName() + "]"); | 
 | 
            }  | 
 | 
            status = INLINING;  | 
 | 
            env = new Environment(env, this);  | 
 | 
 | 
 | 
            if (isMethod()) { | 
 | 
                if ((!isNative()) && (!isAbstract())) { | 
 | 
                    Statement s = (Statement)getValue();  | 
 | 
                    Context ctx = new Context((Context)null, this);  | 
 | 
                    for (Enumeration e = args.elements() ; e.hasMoreElements() ;) { | 
 | 
                        LocalMember local = (LocalMember)e.nextElement();  | 
 | 
                        ctx.declare(env, local);  | 
 | 
                    }  | 
 | 
                    setValue(s.inline(env, ctx));  | 
 | 
                }  | 
 | 
            } else if (isInnerClass()) { | 
 | 
                  | 
 | 
                ClassDefinition nc = getInnerClass();  | 
 | 
                if (nc instanceof SourceClass && !nc.isLocal()  | 
 | 
                    && nc.isInsideLocal()) { | 
 | 
                    status = INLINING;  | 
 | 
                    ((SourceClass)nc).inlineLocalClass(env);  | 
 | 
                }  | 
 | 
                status = INLINED;  | 
 | 
                break;  | 
 | 
            } else { | 
 | 
                if (getValue() != null)  { | 
 | 
                    Context ctx = new Context((Context)null, this);  | 
 | 
                    if (!isStatic()) { | 
 | 
                          | 
 | 
                        Context ctxInst = new Context(ctx, this);  | 
 | 
                        LocalMember thisArg =  | 
 | 
                                    ((SourceClass)clazz).getThisArgument();  | 
 | 
                        ctxInst.declare(env, thisArg);  | 
 | 
                        setValue(((Expression)getValue())  | 
 | 
                                    .inlineValue(env, ctxInst));  | 
 | 
                    } else { | 
 | 
                        setValue(((Expression)getValue())  | 
 | 
                                    .inlineValue(env, ctx));  | 
 | 
                    }  | 
 | 
                }  | 
 | 
            }  | 
 | 
            if (env.dump()) { | 
 | 
                System.out.println("[inlined field " + getClassDeclaration().getName() + "." + getName() + "]"); | 
 | 
                if (getValue() != null) { | 
 | 
                    getValue().print(System.out);  | 
 | 
                    System.out.println();  | 
 | 
                } else { | 
 | 
                    System.out.println("<empty>"); | 
 | 
                }  | 
 | 
            }  | 
 | 
            status = INLINED;  | 
 | 
            break;  | 
 | 
        }  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public Node getValue(Environment env) throws ClassNotFound { | 
 | 
        Node value = getValue();  | 
 | 
        if (value != null && status != INLINED) { | 
 | 
              | 
 | 
            env = ((SourceClass)clazz).setupEnv(env);  | 
 | 
            inline(env);  | 
 | 
            value = (status == INLINED) ? getValue() : null;  | 
 | 
        }  | 
 | 
        return value;  | 
 | 
    }  | 
 | 
 | 
 | 
    public boolean isInlineable(Environment env, boolean fromFinal) throws ClassNotFound { | 
 | 
        if (super.isInlineable(env, fromFinal)) { | 
 | 
            getValue(env);  | 
 | 
            return (status == INLINED) && !getClassDefinition().getError();  | 
 | 
        }  | 
 | 
        return false;  | 
 | 
    }  | 
 | 
 | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public Object getInitialValue() { | 
 | 
        if (isMethod() || (getValue() == null) || (!isFinal()) || (status != INLINED)) { | 
 | 
            return null;  | 
 | 
        }  | 
 | 
        return ((Expression)getValue()).getValue();  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public void code(Environment env, Assembler asm) throws ClassNotFound { | 
 | 
        switch (status) { | 
 | 
          case PARSED:  | 
 | 
            check(env);  | 
 | 
            code(env, asm);  | 
 | 
            return;  | 
 | 
 | 
 | 
          case CHECKED:  | 
 | 
            inline(env);  | 
 | 
            code(env, asm);  | 
 | 
            return;  | 
 | 
 | 
 | 
          case INLINED:  | 
 | 
              | 
 | 
            if (env.dump()) { | 
 | 
                System.out.println("[code field " + getClassDeclaration().getName() + "." + getName() + "]"); | 
 | 
            }  | 
 | 
            if (isMethod() && (!isNative()) && (!isAbstract())) { | 
 | 
                env = new Environment(env, this);  | 
 | 
                Context ctx = new Context((Context)null, this);  | 
 | 
                Statement s = (Statement)getValue();  | 
 | 
 | 
 | 
                for (Enumeration e = args.elements() ; e.hasMoreElements() ; ) { | 
 | 
                    LocalMember f = (LocalMember)e.nextElement();  | 
 | 
                    ctx.declare(env, f);  | 
 | 
                    //ctx.declare(env, (LocalMember)e.nextElement());  | 
 | 
                }  | 
 | 
 | 
 | 
                  | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
                */  | 
 | 
                if (s != null) { | 
 | 
                    s.code(env, ctx, asm);  | 
 | 
                }  | 
 | 
                if (getType().getReturnType().isType(TC_VOID) && !isInitializer()) { | 
 | 
                   asm.add(getWhere(), opc_return, true);  | 
 | 
                }  | 
 | 
            }  | 
 | 
            return;  | 
 | 
        }  | 
 | 
    }  | 
 | 
 | 
 | 
    public void codeInit(Environment env, Context ctx, Assembler asm) throws ClassNotFound { | 
 | 
        if (isMethod()) { | 
 | 
            return;  | 
 | 
        }  | 
 | 
        switch (status) { | 
 | 
          case PARSED:  | 
 | 
            check(env);  | 
 | 
            codeInit(env, ctx, asm);  | 
 | 
            return;  | 
 | 
 | 
 | 
          case CHECKED:  | 
 | 
            inline(env);  | 
 | 
            codeInit(env, ctx, asm);  | 
 | 
            return;  | 
 | 
 | 
 | 
          case INLINED:  | 
 | 
              | 
 | 
            if (env.dump()) { | 
 | 
                System.out.println("[code initializer  " + getClassDeclaration().getName() + "." + getName() + "]"); | 
 | 
            }  | 
 | 
            if (getValue() != null) { | 
 | 
                Expression e = (Expression)getValue();  | 
 | 
                // The JLS Section 8.5 specifies that static (non-final)  | 
 | 
                // initializers should be executed in textual order.  Eliding  | 
 | 
                // initializations to default values can interfere with this,  | 
 | 
                // so the tests for !e.equalsDefault() have been eliminated,  | 
 | 
                  | 
 | 
                if (isStatic()) { | 
 | 
                    if (getInitialValue() == null) { | 
 | 
                          | 
 | 
                        e.codeValue(env, ctx, asm);  | 
 | 
                        asm.add(getWhere(), opc_putstatic, this);  | 
 | 
                    }  | 
 | 
                } else { // removed: if (!e.equalsDefault()) { | 
 | 
                    // This code doesn't appear to be reached for  | 
 | 
                    // instance initializers.  Code for these is generated  | 
 | 
                    // in the makeVarInits() method of the class  | 
 | 
                      | 
 | 
                    asm.add(getWhere(), opc_aload, new Integer(0));  | 
 | 
                    e.codeValue(env, ctx, asm);  | 
 | 
                    asm.add(getWhere(), opc_putfield, this);  | 
 | 
                }  | 
 | 
            }  | 
 | 
            return;  | 
 | 
        }  | 
 | 
    }  | 
 | 
 | 
 | 
      | 
 | 
 | 
 | 
     */  | 
 | 
    public void print(PrintStream out) { | 
 | 
        super.print(out);  | 
 | 
        if (getValue() != null) { | 
 | 
            getValue().print(out);  | 
 | 
            out.println();  | 
 | 
        }  | 
 | 
    }  | 
 | 
}  |