| /* |
| * Copyright (c) 1998, 2013, 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. |
| */ |
| |
| package build.tools.jdwpgen; |
| |
| |
| import java.util.*; |
| import java.io.*; |
| |
| abstract class Node { |
| |
| String kind; |
| List<Node> components; |
| int lineno; |
| List<String> commentList = new ArrayList<>(); |
| Node parent = null; |
| Context context = null; |
| |
| static final int maxStructIndent = 5; |
| static int structIndent = 0; // horrible hack |
| |
| abstract void document(PrintWriter writer); |
| |
| void set(String kind, List<Node> components, int lineno) { |
| this.kind = kind; |
| this.components = components; |
| this.lineno = lineno; |
| } |
| |
| void parentAndExtractComments() { |
| for (Iterator<Node> it = components.iterator(); it.hasNext();) { |
| Node node = it.next(); |
| if (node instanceof CommentNode) { |
| it.remove(); |
| commentList.add(((CommentNode)node).text()); |
| } else { |
| node.parent = this; |
| node.parentAndExtractComments(); |
| } |
| } |
| } |
| |
| void prune() { |
| for (Node node : components) { |
| node.prune(); |
| } |
| } |
| |
| void constrain(Context ctx) { |
| context = ctx; |
| for (Node node : components) { |
| constrainComponent(ctx, node); |
| } |
| } |
| |
| void constrainComponent(Context ctx, Node node) { |
| node.constrain(ctx); |
| } |
| |
| void indent(PrintWriter writer, int depth) { |
| for (int i = 0; i < depth; i++) { |
| writer.print(" "); |
| } |
| } |
| |
| void documentIndex(PrintWriter writer) { |
| } |
| |
| void docRowStart(PrintWriter writer) { |
| writer.println("<tr>"); |
| if (structIndent > 0) { |
| writer.println("<td colspan=" + structIndent + ">"); |
| } |
| } |
| |
| String comment() { |
| StringBuffer comment = new StringBuffer(); |
| for (String st : commentList) { |
| comment.append(st); |
| } |
| return comment.toString(); |
| } |
| |
| void genJavaComment(PrintWriter writer, int depth) { |
| if (commentList.size() > 0) { |
| indent(writer, depth); |
| writer.println("/**"); |
| for (String comment : commentList) { |
| indent(writer, depth); |
| writer.println(" * " + comment); |
| } |
| indent(writer, depth); |
| writer.println(" */"); |
| } |
| } |
| |
| String javaType() { |
| return "-- WRONG ---"; |
| } |
| |
| void genJava(PrintWriter writer, int depth) { |
| for (Node node : components) { |
| node.genJava(writer, depth); |
| } |
| } |
| |
| void genCInclude(PrintWriter writer) { |
| for (Node node : components) { |
| node.genCInclude(writer); |
| } |
| } |
| |
| String debugValue(String label) { |
| return label; |
| } |
| |
| void genJavaDebugWrite(PrintWriter writer, int depth, |
| String writeLabel) { |
| genJavaDebugWrite(writer, depth, writeLabel, debugValue(writeLabel)); |
| } |
| |
| void genJavaDebugWrite(PrintWriter writer, int depth, |
| String writeLabel, String displayValue) { |
| if (!Main.genDebug) { |
| return; |
| } |
| indent(writer, depth); |
| writer.println( |
| "if ((ps.vm.traceFlags & VirtualMachineImpl.TRACE_SENDS) != 0) {"); |
| indent(writer, depth+1); |
| writer.print("ps.vm.printTrace(\"Sending: "); |
| indent(writer, depth); // this is inside the quotes |
| writer.print(writeLabel + "(" + javaType() + "): \" + "); |
| writer.println(displayValue + ");"); |
| indent(writer, depth); |
| writer.println("}"); |
| } |
| |
| public void genJavaRead(PrintWriter writer, int depth, |
| String readLabel) { |
| error("Internal - Should not call Node.genJavaRead()"); |
| } |
| |
| void genJavaDebugRead(PrintWriter writer, int depth, |
| String readLabel, String displayValue) { |
| if (!Main.genDebug) { |
| return; |
| } |
| indent(writer, depth); |
| writer.println( |
| "if (vm.traceReceives) {"); |
| indent(writer, depth+1); |
| writer.print("vm.printReceiveTrace(" + depth + ", \""); |
| writer.print(readLabel + "(" + javaType() + "): \" + "); |
| writer.println(displayValue + ");"); |
| indent(writer, depth); |
| writer.println("}"); |
| } |
| |
| void genJavaPreDef(PrintWriter writer, int depth) { |
| for (Node node : components) { |
| node.genJavaPreDef(writer, depth); |
| } |
| } |
| |
| void error(String errmsg) { |
| System.err.println(); |
| System.err.println(Main.specSource + ":" + lineno + ": " + |
| kind + " - " + errmsg); |
| System.err.println(); |
| throw new RuntimeException("Error: " + errmsg); |
| } |
| } |