/*
* 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) {
}
String indentElement(
int depth, String content) {
return depth > 0
?
"indent" + depth + "\">" + content + "
"
: content;
}
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);
}
}