aboutsummaryrefslogtreecommitdiffstats
path: root/src/net/java/games/gluegen/opengl/BuildComposablePipeline.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/net/java/games/gluegen/opengl/BuildComposablePipeline.java')
-rw-r--r--src/net/java/games/gluegen/opengl/BuildComposablePipeline.java567
1 files changed, 0 insertions, 567 deletions
diff --git a/src/net/java/games/gluegen/opengl/BuildComposablePipeline.java b/src/net/java/games/gluegen/opengl/BuildComposablePipeline.java
deleted file mode 100644
index eaed4a100..000000000
--- a/src/net/java/games/gluegen/opengl/BuildComposablePipeline.java
+++ /dev/null
@@ -1,567 +0,0 @@
-/*
- * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package net.java.games.gluegen.opengl;
-
-import net.java.games.gluegen.*;
-
-import java.lang.reflect.*;
-import java.io.*;
-import java.util.*;
-import java.util.regex.*;
-
-public class BuildComposablePipeline
-{
- private String outputDirectory;
- private Class classToComposeAround;
-
- public static void main(String[] args)
- {
- String nameOfClassToComposeAround = args[0];
- Class classToComposeAround;
- try {
- classToComposeAround = Class.forName(nameOfClassToComposeAround);
- } catch (Exception e) {
- throw new RuntimeException(
- "Could not find class \"" + nameOfClassToComposeAround + "\"", e);
- }
-
- String outputDir = args[1];
-
- BuildComposablePipeline composer =
- new BuildComposablePipeline(classToComposeAround, outputDir);
-
- try
- {
- composer.emit();
- }
- catch (IOException e)
- {
- throw new RuntimeException(
- "Error generating composable pipeline source files", e);
- }
- }
-
- protected BuildComposablePipeline(Class classToComposeAround, String outputDirectory)
- {
- this.outputDirectory = outputDirectory;
- this.classToComposeAround = classToComposeAround;
-
- if (! classToComposeAround.isInterface())
- {
- throw new IllegalArgumentException(
- classToComposeAround.getName() + " is not an interface class");
- }
- }
-
- /**
- * Emit the java source code for the classes that comprise the composable
- * pipeline.
- */
- public void emit() throws IOException
- {
- String pDir = outputDirectory;
- String pInterface = classToComposeAround.getName();
- List/*<Method>*/ publicMethods = Arrays.asList(classToComposeAround.getMethods());
-
- (new DebugPipeline(pDir, pInterface)).emit(publicMethods);
- (new TracePipeline(pDir, pInterface)).emit(publicMethods);
- }
-
- //-------------------------------------------------------
-
- /**
- * Emits a Java source file that represents one element of the composable
- * pipeline.
- */
- protected static abstract class PipelineEmitter
- {
- private File file;
- private String basePackage;
- private String baseName; // does not include package!
- private String outputDir;
-
- /**
- * @param outputDir the directory into which the pipeline classes will be
- * generated.
- * @param baseInterfaceClassName the full class name (including package,
- * e.g. "java.lang.String") of the interface that the pipeline wraps
- * @exception IllegalArgumentException if classToComposeAround is not an
- * interface.
- */
- public PipelineEmitter(String outputDir, String baseInterfaceClassName)
- {
- int lastDot = baseInterfaceClassName.lastIndexOf('.');
- if (lastDot == -1)
- {
- // no package, class is at root level
- this.baseName = baseInterfaceClassName;
- this.basePackage = null;
- }
- else
- {
- this.baseName = baseInterfaceClassName.substring(lastDot+1);
- this.basePackage = baseInterfaceClassName.substring(0, lastDot);
- }
-
- this.outputDir = outputDir;
- }
-
- public void emit(List/*<Method>*/ methodsToWrap) throws IOException
- {
- String pipelineClassName = getPipelineName();
- this.file = new File(outputDir + File.separatorChar + pipelineClassName + ".java");
- String parentDir = file.getParent();
- if (parentDir != null)
- {
- File pDirFile = new File(parentDir);
- pDirFile.mkdirs();
- }
-
- PrintWriter output = new PrintWriter(new BufferedWriter(new FileWriter(file)));
-
- CodeGenUtils.emitJavaHeaders(output,
- basePackage,
- pipelineClassName,
- true,
- new String[] { "java.io.*" },
- new String[] { "public" },
- new String[] { baseName },
- null,
- new CodeGenUtils.EmissionCallback() {
- public void emit(PrintWriter w) { emitClassDocComment(w); }
- }
- );
-
- preMethodEmissionHook(output);
-
- constructorHook(output);
-
- for (int i = 0; i < methodsToWrap.size(); ++i)
- {
- Method m = (Method)methodsToWrap.get(i);
- emitMethodDocComment(output, m);
- emitSignature(output, m);
- emitBody(output, m);
- }
-
- postMethodEmissionHook(output);
-
- output.println();
- output.print(" private " + baseName + " " + getDownstreamObjectName() + ";");
-
- // end the class
- output.println();
- output.print("} // end class ");
- output.println(pipelineClassName);
-
- output.flush();
- output.close();
- }
-
- /** Get the name of the object through which API calls should be routed. */
- protected String getDownstreamObjectName()
- {
- return "downstream" + baseName;
- }
-
- protected void emitMethodDocComment(PrintWriter output, Method m)
- {
- }
-
- protected void emitSignature(PrintWriter output, Method m)
- {
- output.print(" public ");
- output.print(' ');
- output.print(JavaType.createForClass(m.getReturnType()).getName());
- output.print(' ');
- output.print(m.getName());
- output.print('(');
- output.print(getArgListAsString(m, true, true));
- output.println(")");
- }
-
- protected void emitBody(PrintWriter output, Method m)
- {
- output.println(" {");
- output.print(" ");
- Class retType = m.getReturnType();
-
- preDownstreamCallHook(output, m);
-
- if (retType != Void.TYPE)
- {
- output.print(JavaType.createForClass(retType).getName());
- output.print(" _res = ");
- }
- output.print(getDownstreamObjectName());
- output.print('.');
- output.print(m.getName());
- output.print('(');
- output.print(getArgListAsString(m, false, true));
- output.println(");");
-
- postDownstreamCallHook(output, m);
-
- if (retType != Void.TYPE)
- {
- output.println(" return _res;");
- }
- output.println(" }");
-
- }
-
- private String getArgListAsString(Method m, boolean includeArgTypes, boolean includeArgNames)
- {
- StringBuffer buf = new StringBuffer(256);
- if (!includeArgNames && !includeArgTypes)
- {
- throw new IllegalArgumentException(
- "Cannot generate arglist without both arg types and arg names");
- }
-
- Class[] argTypes = m.getParameterTypes();
- for (int i = 0; i < argTypes.length; ++i)
- {
- if (includeArgTypes)
- {
- buf.append(JavaType.createForClass(argTypes[i]).getName());
- buf.append(' ');
- }
-
- if (includeArgNames)
- {
- buf.append("arg");
- buf.append(i);
- }
- if (i < argTypes.length-1) { buf.append(','); }
- }
-
- return buf.toString();
- }
-
- /** The name of the class around which this pipeline is being
- * composed. E.g., if this pipeline was constructed with
- * "java.util.Set" as the baseInterfaceClassName, then this method will
- * return "Set".
- */
- protected String getBaseInterfaceName()
- {
- return baseName;
- }
-
- /** Get the name for this pipeline class. */
- protected abstract String getPipelineName();
-
- /**
- * Called after the class headers have been generated, but before any
- * method wrappers have been generated.
- */
- protected abstract void preMethodEmissionHook(PrintWriter output);
-
- /**
- * Emits the constructor for the pipeline; called after the preMethodEmissionHook.
- */
- protected void constructorHook(PrintWriter output) {
- output.print( " public " + getPipelineName() + "(" + baseName + " ");
- output.println(getDownstreamObjectName() + ")");
- output.println(" {");
- output.println(" if (" + getDownstreamObjectName() + " == null) {");
- output.println(" throw new IllegalArgumentException(\"null " + getDownstreamObjectName() + "\");");
- output.println(" }");
- output.print( " this." + getDownstreamObjectName());
- output.println(" = " + getDownstreamObjectName() + ";");
- output.println(" }");
- output.println();
- }
-
- /**
- * Called after the method wrappers have been generated, but before the
- * closing parenthesis of the class is emitted.
- */
- protected abstract void postMethodEmissionHook(PrintWriter output);
-
- /**
- * Called before the pipeline routes the call to the downstream object.
- */
- protected abstract void preDownstreamCallHook(PrintWriter output, Method m);
-
- /**
- * Called after the pipeline has routed the call to the downstream object,
- * but before the calling function exits or returns a value.
- */
- protected abstract void postDownstreamCallHook(PrintWriter output, Method m);
-
- /** Emit a Javadoc comment for this pipeline class. */
- protected abstract void emitClassDocComment(PrintWriter output);
-
- } // end class PipelineEmitter
-
- //-------------------------------------------------------
-
- protected class DebugPipeline extends PipelineEmitter
- {
- String className;
- String baseInterfaceClassName;
- public DebugPipeline(String outputDir, String baseInterfaceClassName)
- {
- super(outputDir, baseInterfaceClassName);
- className = "Debug" + getBaseInterfaceName();
- }
-
- protected String getPipelineName()
- {
- return className;
- }
-
- protected void preMethodEmissionHook(PrintWriter output)
- {
- }
-
- protected void postMethodEmissionHook(PrintWriter output)
- {
- output.println(" private void checkGLGetError(String caller)");
- output.println(" {");
- output.println(" if (insideBeginEndPair) {");
- output.println(" return;");
- output.println(" }");
- output.println();
- output.println(" // Debug code to make sure the pipeline is working; leave commented out unless testing this class");
- output.println(" //System.err.println(\"Checking for GL errors " +
- "after call to \" + caller + \"()\");");
- output.println();
- output.println(" int err = " +
- getDownstreamObjectName() +
- ".glGetError();");
- output.println(" if (err == GL_NO_ERROR) { return; }");
- output.println();
- output.println(" StringBuffer buf = new StringBuffer(");
- output.println(" \"glGetError() returned the following error codes " +
- "after a call to \" + caller + \"(): \");");
- output.println();
- output.println(" // Loop repeatedly to allow for distributed GL implementations,");
- output.println(" // as detailed in the glGetError() specification");
- output.println(" int recursionDepth = 10;");
- output.println(" do {");
- output.println(" switch (err) {");
- output.println(" case GL_INVALID_ENUM: buf.append(\"GL_INVALID_ENUM \"); break;");
- output.println(" case GL_INVALID_VALUE: buf.append(\"GL_INVALID_VALUE \"); break;");
- output.println(" case GL_INVALID_OPERATION: buf.append(\"GL_INVALID_OPERATION \"); break;");
- output.println(" case GL_STACK_OVERFLOW: buf.append(\"GL_STACK_OVERFLOW \"); break;");
- output.println(" case GL_STACK_UNDERFLOW: buf.append(\"GL_STACK_UNDERFLOW \"); break;");
- output.println(" case GL_OUT_OF_MEMORY: buf.append(\"GL_OUT_OF_MEMORY \"); break;");
- output.println(" case GL_NO_ERROR: throw new InternalError(\"Should not be treating GL_NO_ERROR as error\");");
- output.println(" default: throw new InternalError(\"Unknown glGetError() return value: \" + err);");
- output.println(" }");
- output.println(" } while ((--recursionDepth >= 0) && (err = " +
- getDownstreamObjectName() +
- ".glGetError()) != GL_NO_ERROR);");
- output.println(" throw new GLException(buf.toString());");
- output.println(" }");
-
- output.println(" /** True if the pipeline is inside a glBegin/glEnd pair.*/");
- output.println(" private boolean insideBeginEndPair = false;");
- output.println();
-
- }
- protected void emitClassDocComment(PrintWriter output)
- {
- output.println("/** <P> Composable pipline which wraps an underlying {@link GL} implementation,");
- output.println(" providing error checking after each OpenGL method call. If an error occurs,");
- output.println(" causes a {@link GLException} to be thrown at exactly the point of failure.");
- output.println(" Sample code which installs this pipeline: </P>");
- output.println();
- output.println("<PRE>");
- output.println(" drawable.setGL(new DebugGL(drawable.getGL()));");
- output.println("</PRE>");
- output.println("*/");
- }
-
- protected void preDownstreamCallHook(PrintWriter output, Method m)
- {
- }
-
- protected void postDownstreamCallHook(PrintWriter output, Method m)
- {
- if (m.getName().equals("glBegin"))
- {
- output.println(" insideBeginEndPair = true;");
- output.println(" // NOTE: can't check glGetError(); it's not allowed inside glBegin/glEnd pair");
- }
- else
- {
- if (m.getName().equals("glEnd"))
- {
- output.println(" insideBeginEndPair = false;");
- }
-
- // calls to glGetError() are only allowed outside of glBegin/glEnd pairs
- output.println(" checkGLGetError(\"" + m.getName() + "\");");
- }
- }
-
- } // end class DebugPipeline
-
- //-------------------------------------------------------
-
- protected class TracePipeline extends PipelineEmitter
- {
- String className;
- String baseInterfaceClassName;
- public TracePipeline(String outputDir, String baseInterfaceClassName)
- {
- super(outputDir, baseInterfaceClassName);
- className = "Trace" + getBaseInterfaceName();
- }
-
- protected String getPipelineName()
- {
- return className;
- }
-
- protected void preMethodEmissionHook(PrintWriter output)
- {
- }
-
- protected void constructorHook(PrintWriter output) {
- output.print( " public " + getPipelineName() + "(" + getBaseInterfaceName() + " ");
- output.println(getDownstreamObjectName() + ", PrintStream " + getOutputStreamName() + ")");
- output.println(" {");
- output.println(" if (" + getDownstreamObjectName() + " == null) {");
- output.println(" throw new IllegalArgumentException(\"null " + getDownstreamObjectName() + "\");");
- output.println(" }");
- output.print( " this." + getDownstreamObjectName());
- output.println(" = " + getDownstreamObjectName() + ";");
- output.print( " this." + getOutputStreamName());
- output.println(" = " + getOutputStreamName() + ";");
- output.println(" }");
- output.println();
- }
-
- protected void postMethodEmissionHook(PrintWriter output)
- {
- output.println("private PrintStream " + getOutputStreamName() + ";");
- output.println("private int indent = 0;");
- output.println("protected String dumpArray(Object obj)");
- output.println("{");
- output.println(" if (obj == null) return \"[null]\";");
- output.println(" StringBuffer sb = new StringBuffer(\"[\");");
- output.println(" int len = java.lang.reflect.Array.getLength(obj);");
- output.println(" int count = Math.min(len,16);");
- output.println(" for ( int i =0; i < count; i++ ) {");
- output.println(" sb.append(java.lang.reflect.Array.get(obj,i));");
- output.println(" if (i < count-1)");
- output.println(" sb.append(',');");
- output.println(" }");
- output.println(" if ( len > 16 )");
- output.println(" sb.append(\"...\").append(len);");
- output.println(" sb.append(']');");
- output.println(" return sb.toString();");
- output.println("}");
- output.println("protected void print(String str)");
- output.println("{");
- output.println(" "+getOutputStreamName()+".print(str);");
- output.println("}");
- output.println("protected void println(String str)");
- output.println("{");
- output.println(" "+getOutputStreamName()+".println(str);");
- output.println("}");
- output.println("protected void printIndent()");
- output.println("{");
- output.println(" for( int i =0; i < indent; i++) {"+getOutputStreamName()+".print(' ');}");
- output.println("}");
- }
- protected void emitClassDocComment(PrintWriter output)
- {
- output.println("/** <P> Composable pipline which wraps an underlying {@link GL} implementation,");
- output.println(" providing tracing information to a user-specified {@link java.io.PrintStream}");
- output.println(" before after each OpenGL method call. Sample code which installs this pipeline: </P>");
- output.println();
- output.println("<PRE>");
- output.println(" drawable.setGL(new TraceGL(drawable.getGL(), System.err));");
- output.println("</PRE>");
- output.println("*/");
- }
-
- protected void preDownstreamCallHook(PrintWriter output, Method m)
- {
- Class[] params = m.getParameterTypes();
- if ( m.getName().equals("glEnd") || m.getName().equals("glEndList"))
- {
- output.println("indent-=2;");
- output.println(" printIndent();");
- }
- else
- {
- output.println("printIndent();");
- }
-
- output.print(" print(\"" + m.getName() + "(\"");
- for ( int i =0; i < params.length; i++ )
- {
- if ( params[i].isArray() )
- output.print("+dumpArray(arg"+i+")");
- else
- output.print("+arg"+i);
- if ( i < params.length-1)
- output.print("+\",\"");
- }
- output.println("+\")\");");
- output.print(" ");
- }
-
- protected void postDownstreamCallHook(PrintWriter output, Method m)
- {
- Class ret = m.getReturnType();
- if ( ret != Void.TYPE )
- {
- output.println(" println(\" = \"+_res);");
- }
- else
- {
- output.println(" println(\"\");");
- }
- }
-
- private String getOutputStreamName() {
- return "stream";
- }
-
- } // end class TracePipeline
-}