feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/rmi/rmic/iiop/ContextStack.java

@@ -0,0 +1,447 @@
+/*
+ * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * Licensed Materials - Property of IBM
+ * RMI-IIOP v1.0
+ * Copyright IBM Corp. 1998 1999  All Rights Reserved
+ *
+ */
+
+package sun.rmi.rmic.iiop;
+
+import sun.tools.java.CompilerError;
+
+/**
+ * ContextStack provides a mechanism to record parsing state.
+ *
+ * @author      Bryan Atsatt
+ */
+public class ContextStack {
+
+    // Context codes.
+
+    public static final int TOP = 1;
+
+    public static final int METHOD = 2;
+    public static final int METHOD_RETURN = 3;
+    public static final int METHOD_ARGUMENT = 4;
+    public static final int METHOD_EXCEPTION = 5;
+
+    public static final int MEMBER = 6;
+    public static final int MEMBER_CONSTANT = 7;
+    public static final int MEMBER_STATIC = 8;
+    public static final int MEMBER_TRANSIENT = 9;
+
+    public static final int IMPLEMENTS = 10;
+    public static final int EXTENDS = 11;
+
+    // String versions of context codes.
+
+    private static final String[] CODE_NAMES = {
+        "UNKNOWN ",
+        "Top level type ",
+        "Method ",
+        "Return parameter ",
+        "Parameter ",
+        "Exception ",
+        "Member ",
+        "Constant member ",
+        "Static member ",
+        "Transient member ",
+        "Implements ",
+        "Extends ",
+    };
+    // Member data.
+
+    private int currentIndex = -1;
+    private int maxIndex = 100;
+    private TypeContext[] stack = new TypeContext[maxIndex];
+    private int newCode = TOP;
+    private BatchEnvironment env = null;
+    private boolean trace = false;
+    private TypeContext tempContext = new TypeContext();
+
+    private static final String TRACE_INDENT = "   ";
+
+    /**
+     * Constructor.
+     */
+    public ContextStack (BatchEnvironment env) {
+        this.env = env;
+        env.contextStack = this;
+    }
+
+    /**
+     * Return true if env.nerrors > 0.
+     */
+    public boolean anyErrors () {
+        return env.nerrors > 0;
+    }
+
+    /**
+     * Enable/disable tracing.
+     */
+    public void setTrace(boolean trace) {
+        this.trace = trace;
+    }
+
+    /**
+     * Check trace flag.
+     */
+    public boolean isTraceOn() {
+        return trace;
+    }
+
+    /**
+     * Get the environment.
+     */
+    public BatchEnvironment getEnv() {
+        return env;
+    }
+
+    /**
+     * Set the new context.
+     */
+    public void setNewContextCode(int code) {
+        newCode = code;
+    }
+
+    /**
+     * Get the current context code.
+     */
+    public int getCurrentContextCode() {
+        return newCode;
+    }
+
+
+    /**
+     * If tracing on, write the current call stack (not the context stack) to
+     * System.out.
+     */
+    final void traceCallStack () {
+        if (trace) dumpCallStack();
+    }
+
+    public final static void dumpCallStack() {
+        new Error().printStackTrace(System.out);
+    }
+
+    /**
+     * Print a line indented by stack depth.
+     */
+    final private void tracePrint (String text, boolean line) {
+        int length = text.length() + (currentIndex * TRACE_INDENT.length());
+        StringBuffer buffer = new StringBuffer(length);
+        for (int i = 0; i < currentIndex; i++) {
+            buffer.append(TRACE_INDENT);
+        }
+        buffer.append(text);
+        if (line) {
+            buffer.append("\n");
+        }
+        System.out.print(buffer.toString());
+    }
+
+    /**
+     * If tracing on, print a line.
+     */
+    final void trace (String text) {
+        if (trace) {
+            tracePrint(text,false);
+        }
+    }
+
+    /**
+     * If tracing on, print a line followed by a '\n'.
+     */
+    final void traceln (String text) {
+        if (trace) {
+            tracePrint(text,true);
+        }
+    }
+
+    /**
+     * If tracing on, print a pre-mapped ContextElement.
+     */
+    final void traceExistingType (Type type) {
+        if (trace) {
+            tempContext.set(newCode,type);
+            traceln(toResultString(tempContext,true,true));
+        }
+    }
+
+    /**
+     * Push a new element on the stack.
+     * @return the new element.
+     */
+    public TypeContext push (ContextElement element) {
+
+        currentIndex++;
+
+        // Grow array if need to...
+
+        if (currentIndex == maxIndex) {
+            int newMax = maxIndex * 2;
+            TypeContext[] newStack = new TypeContext[newMax];
+            System.arraycopy(stack,0,newStack,0,maxIndex);
+            maxIndex = newMax;
+            stack = newStack;
+        }
+
+        // Make sure we have a context object to use at this position...
+
+        TypeContext it = stack[currentIndex];
+
+        if (it == null) {
+            it = new TypeContext();
+            stack[currentIndex] = it;
+        }
+
+        // Set the context object...
+
+        it.set(newCode,element);
+
+        // Trace...
+
+        traceln(toTrialString(it));
+
+        // Return...
+
+        return it;
+    }
+
+    /**
+     * Pop an element from the stack.
+     * @return the new current element or null if top.
+     */
+    public TypeContext pop (boolean wasValid) {
+
+        if (currentIndex < 0) {
+            throw new CompilerError("Nothing on stack!");
+        }
+
+        newCode = stack[currentIndex].getCode();
+        traceln(toResultString(stack[currentIndex],wasValid,false));
+
+        Type last = stack[currentIndex].getCandidateType();
+        if (last != null) {
+
+            // Set status...
+
+            if (wasValid) {
+                last.setStatus(Constants.STATUS_VALID);
+            } else {
+                last.setStatus(Constants.STATUS_INVALID);
+            }
+        }
+
+        currentIndex--;
+
+        if (currentIndex < 0) {
+
+            // Done parsing, so update the invalid types
+            // if this type was valid...
+
+            if (wasValid) {
+                Type.updateAllInvalidTypes(this);
+            }
+            return null;
+        } else {
+            return stack[currentIndex];
+        }
+    }
+
+    /**
+     * Get the current size.
+     */
+    public int size () {
+        return currentIndex + 1;
+    }
+
+    /**
+     * Get a specific context.
+     */
+    public TypeContext getContext (int index) {
+
+        if (currentIndex < index) {
+            throw new Error("Index out of range");
+        }
+        return stack[index];
+    }
+
+    /**
+     * Get the current top context.
+     */
+    public TypeContext getContext () {
+
+        if (currentIndex < 0) {
+            throw new Error("Nothing on stack!");
+        }
+        return stack[currentIndex];
+    }
+
+    /**
+     * Is parent context a value type?
+     */
+    public boolean isParentAValue () {
+
+        if (currentIndex > 0) {
+            return stack[currentIndex - 1].isValue();
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Get parent context. Null if none.
+     */
+    public TypeContext getParentContext () {
+
+        if (currentIndex > 0) {
+            return stack[currentIndex - 1];
+        } else {
+            return null;
+        }
+    }
+
+    /**
+     * Get a string for the context name...
+     */
+    public String getContextCodeString () {
+
+        if (currentIndex >= 0) {
+            return CODE_NAMES[newCode];
+        } else {
+            return CODE_NAMES[0];
+        }
+    }
+
+    /**
+     * Get a string for the given context code...
+     */
+    public static String getContextCodeString (int contextCode) {
+        return CODE_NAMES[contextCode];
+    }
+
+    private String toTrialString(TypeContext it) {
+        int code = it.getCode();
+        if (code != METHOD && code != MEMBER) {
+            return it.toString() + " (trying " + it.getTypeDescription() + ")";
+        } else {
+            return it.toString();
+        }
+    }
+
+    private String toResultString (TypeContext it, boolean result, boolean preExisting) {
+        int code = it.getCode();
+        if (code != METHOD && code != MEMBER) {
+            if (result) {
+                String str = it.toString() + " --> " + it.getTypeDescription();
+                if (preExisting) {
+                    return str + " [Previously mapped]";
+                } else {
+                    return str;
+                }
+            }
+        } else {
+            if (result) {
+                return it.toString() + " --> [Mapped]";
+            }
+        }
+        return it.toString() + " [Did not map]";
+    }
+
+    public void clear () {
+        for (int i = 0; i < stack.length; i++) {
+            if (stack[i] != null) stack[i].destroy();
+        }
+    }
+}
+
+
+class TypeContext {
+
+    public void set(int code, ContextElement element) {
+        this.code = code;
+        this.element = element;
+        if (element instanceof ValueType) {
+            isValue = true;
+        } else {
+            isValue = false;
+        }
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getName() {
+        return element.getElementName();
+    }
+
+    public Type getCandidateType() {
+        if (element instanceof Type) {
+            return (Type) element;
+        } else {
+            return null;
+        }
+}
+
+public String getTypeDescription() {
+    if (element instanceof Type) {
+        return ((Type) element).getTypeDescription();
+    } else {
+        return "[unknown type]";
+    }
+}
+
+public String toString () {
+    if (element != null) {
+        return ContextStack.getContextCodeString(code) + element.getElementName();
+    } else {
+        return ContextStack.getContextCodeString(code) + "null";
+    }
+}
+
+public boolean isValue () {
+    return isValue;
+}
+
+    public boolean isConstant () {
+        return code == ContextStack.MEMBER_CONSTANT;
+    }
+
+    public void destroy() {
+        if (element instanceof Type) {
+            ((Type)element).destroy();
+        }
+        element = null;
+    }
+
+    private int code = 0;
+    private ContextElement element = null;
+    private boolean isValue = false;
+}