changeset 2980:f391c41bae7e

6843013: missing files in fix for 6824493 Reviewed-by: darcy
author jjg
date Tue, 19 May 2009 13:53:00 -0700
parents ea39317acd3d
children 76ea6ddc4f72
files langtools/src/share/classes/com/sun/tools/javap/LocalVariableTableWriter.java langtools/src/share/classes/com/sun/tools/javap/LocalVariableTypeTableWriter.java
diffstat 2 files changed, 317 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javap/LocalVariableTableWriter.java	Tue May 19 13:53:00 2009 -0700
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javap;
+
+import com.sun.tools.classfile.Attribute;
+import com.sun.tools.classfile.Code_attribute;
+import com.sun.tools.classfile.ConstantPool;
+import com.sun.tools.classfile.ConstantPoolException;
+import com.sun.tools.classfile.Descriptor;
+import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
+import com.sun.tools.classfile.Instruction;
+import com.sun.tools.classfile.LocalVariableTable_attribute;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+
+/**
+ * Annotate instructions with details about local variables.
+ *
+ *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
+ *  you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public class LocalVariableTableWriter extends  InstructionDetailWriter {
+    public enum NoteKind {
+        START("start") {
+            public boolean match(LocalVariableTable_attribute.Entry entry, int pc) {
+                return (pc == entry.start_pc);
+            }
+        },
+        END("end") {
+            public boolean match(LocalVariableTable_attribute.Entry entry, int pc) {
+                return (pc == entry.start_pc + entry.length);
+            }
+        };
+        NoteKind(String text) {
+            this.text = text;
+        }
+        public abstract boolean match(LocalVariableTable_attribute.Entry entry, int pc);
+        public final String text;
+    };
+
+    static LocalVariableTableWriter instance(Context context) {
+        LocalVariableTableWriter instance = context.get(LocalVariableTableWriter.class);
+        if (instance == null)
+            instance = new LocalVariableTableWriter(context);
+        return instance;
+    }
+
+    protected LocalVariableTableWriter(Context context) {
+        super(context);
+        context.put(LocalVariableTableWriter.class, this);
+        classWriter = ClassWriter.instance(context);
+    }
+
+    public void reset(Code_attribute attr) {
+        codeAttr = attr;
+        pcMap = new HashMap<Integer, List<LocalVariableTable_attribute.Entry>>();
+        LocalVariableTable_attribute lvt =
+                (LocalVariableTable_attribute) (attr.attributes.get(Attribute.LocalVariableTable));
+        if (lvt == null)
+            return;
+
+        for (int i = 0; i < lvt.local_variable_table.length; i++) {
+            LocalVariableTable_attribute.Entry entry = lvt.local_variable_table[i];
+            put(entry.start_pc, entry);
+            put(entry.start_pc + entry.length, entry);
+        }
+    }
+
+    public void writeDetails(Instruction instr) {
+        int pc = instr.getPC();
+        writeLocalVariables(pc, NoteKind.END);
+        writeLocalVariables(pc, NoteKind.START);
+    }
+
+    @Override
+    public void flush() {
+        int pc = codeAttr.code_length;
+        writeLocalVariables(pc, NoteKind.END);
+    }
+
+    public void writeLocalVariables(int pc, NoteKind kind) {
+        ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
+        String indent = space(2); // get from Options?
+        List<LocalVariableTable_attribute.Entry> entries = pcMap.get(pc);
+        if (entries != null) {
+            for (ListIterator<LocalVariableTable_attribute.Entry> iter =
+                    entries.listIterator(kind == NoteKind.END ? entries.size() : 0);
+                    kind == NoteKind.END ? iter.hasPrevious() : iter.hasNext() ; ) {
+                LocalVariableTable_attribute.Entry entry =
+                        kind == NoteKind.END ? iter.previous() : iter.next();
+                if (kind.match(entry, pc)) {
+                    print(indent);
+                    print(kind.text);
+                    print(" local ");
+                    print(entry.index);
+                    print(" // ");
+                    Descriptor d = new Descriptor(entry.descriptor_index);
+                    try {
+                        print(d.getFieldType(constant_pool));
+                    } catch (InvalidDescriptor e) {
+                        print(report(e));
+                    } catch (ConstantPoolException e) {
+                        print(report(e));
+                    }
+                    print(" ");
+                    try {
+                        print(constant_pool.getUTF8Value(entry.name_index));
+                    } catch (ConstantPoolException e) {
+                        print(report(e));
+                    }
+                    println();
+                }
+            }
+        }
+    }
+
+    private void put(int pc, LocalVariableTable_attribute.Entry entry) {
+        List<LocalVariableTable_attribute.Entry> list = pcMap.get(pc);
+        if (list == null) {
+            list = new ArrayList<LocalVariableTable_attribute.Entry>();
+            pcMap.put(pc, list);
+        }
+        if (!list.contains(entry))
+            list.add(entry);
+    }
+
+    private ClassWriter classWriter;
+    private Code_attribute codeAttr;
+    private Map<Integer, List<LocalVariableTable_attribute.Entry>> pcMap;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javap/LocalVariableTypeTableWriter.java	Tue May 19 13:53:00 2009 -0700
@@ -0,0 +1,159 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javap;
+
+import com.sun.tools.classfile.Attribute;
+import com.sun.tools.classfile.Code_attribute;
+import com.sun.tools.classfile.ConstantPool;
+import com.sun.tools.classfile.ConstantPoolException;
+import com.sun.tools.classfile.Descriptor;
+import com.sun.tools.classfile.Descriptor.InvalidDescriptor;
+import com.sun.tools.classfile.Instruction;
+import com.sun.tools.classfile.LocalVariableTypeTable_attribute;
+import com.sun.tools.classfile.Signature;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.Map;
+
+/**
+ * Annotate instructions with details about local variables.
+ *
+ *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
+ *  you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public class LocalVariableTypeTableWriter extends  InstructionDetailWriter {
+    public enum NoteKind {
+        START("start") {
+            public boolean match(LocalVariableTypeTable_attribute.Entry entry, int pc) {
+                return (pc == entry.start_pc);
+            }
+        },
+        END("end") {
+            public boolean match(LocalVariableTypeTable_attribute.Entry entry, int pc) {
+                return (pc == entry.start_pc + entry.length);
+            }
+        };
+        NoteKind(String text) {
+            this.text = text;
+        }
+        public abstract boolean match(LocalVariableTypeTable_attribute.Entry entry, int pc);
+        public final String text;
+    };
+
+    static LocalVariableTypeTableWriter instance(Context context) {
+        LocalVariableTypeTableWriter instance = context.get(LocalVariableTypeTableWriter.class);
+        if (instance == null)
+            instance = new LocalVariableTypeTableWriter(context);
+        return instance;
+    }
+
+    protected LocalVariableTypeTableWriter(Context context) {
+        super(context);
+        context.put(LocalVariableTypeTableWriter.class, this);
+        classWriter = ClassWriter.instance(context);
+    }
+
+    public void reset(Code_attribute attr) {
+        codeAttr = attr;
+        pcMap = new HashMap<Integer, List<LocalVariableTypeTable_attribute.Entry>>();
+        LocalVariableTypeTable_attribute lvt =
+                (LocalVariableTypeTable_attribute) (attr.attributes.get(Attribute.LocalVariableTypeTable));
+        if (lvt == null)
+            return;
+
+        for (int i = 0; i < lvt.local_variable_table.length; i++) {
+            LocalVariableTypeTable_attribute.Entry entry = lvt.local_variable_table[i];
+            put(entry.start_pc, entry);
+            put(entry.start_pc + entry.length, entry);
+        }
+    }
+
+    public void writeDetails(Instruction instr) {
+        int pc = instr.getPC();
+        writeLocalVariables(pc, NoteKind.END);
+        writeLocalVariables(pc, NoteKind.START);
+    }
+
+    @Override
+    public void flush() {
+        int pc = codeAttr.code_length;
+        writeLocalVariables(pc, NoteKind.END);
+    }
+
+    public void writeLocalVariables(int pc, NoteKind kind) {
+        ConstantPool constant_pool = classWriter.getClassFile().constant_pool;
+        String indent = space(2); // get from Options?
+        List<LocalVariableTypeTable_attribute.Entry> entries = pcMap.get(pc);
+        if (entries != null) {
+            for (ListIterator<LocalVariableTypeTable_attribute.Entry> iter =
+                    entries.listIterator(kind == NoteKind.END ? entries.size() : 0);
+                    kind == NoteKind.END ? iter.hasPrevious() : iter.hasNext() ; ) {
+                LocalVariableTypeTable_attribute.Entry entry =
+                        kind == NoteKind.END ? iter.previous() : iter.next();
+                if (kind.match(entry, pc)) {
+                    print(indent);
+                    print(kind.text);
+                    print(" generic local ");
+                    print(entry.index);
+                    print(" // ");
+                    Descriptor d = new Signature(entry.signature_index);
+                    try {
+                        print(d.getFieldType(constant_pool));
+                    } catch (InvalidDescriptor e) {
+                        print(report(e));
+                    } catch (ConstantPoolException e) {
+                        print(report(e));
+                    }
+                    print(" ");
+                    try {
+                        print(constant_pool.getUTF8Value(entry.name_index));
+                    } catch (ConstantPoolException e) {
+                        print(report(e));
+                    }
+                    println();
+                }
+            }
+        }
+    }
+
+    private void put(int pc, LocalVariableTypeTable_attribute.Entry entry) {
+        List<LocalVariableTypeTable_attribute.Entry> list = pcMap.get(pc);
+        if (list == null) {
+            list = new ArrayList<LocalVariableTypeTable_attribute.Entry>();
+            pcMap.put(pc, list);
+        }
+        if (!list.contains(entry))
+            list.add(entry);
+    }
+
+    private ClassWriter classWriter;
+    private Code_attribute codeAttr;
+    private Map<Integer, List<LocalVariableTypeTable_attribute.Entry>> pcMap;
+}