# This .cfg file provides common options used by the desktop OpenGL # implementation on all platforms. # Inform the glue code generator of the association between #defines # and functions and the extensions in which they are defined GLHeader GL3/gl3.h GLHeader GL3/gl3ext.h #Include gl-desktop-tracker.cfg # # Directives needed when processing wglext.h on Windows and other platforms # Opaque boolean BOOL Opaque long HANDLE Opaque long PROC Opaque long HINSTANCE Opaque long HWND Opaque long HBITMAP Opaque long HDC Opaque long HGDIOBJ Opaque long HGLRC Opaque long HPBUFFERARB Opaque long HPBUFFEREXT Opaque long void ** ReturnsString wglGetExtensionsStringARB ReturnsString wglGetExtensionsStringEXT # # Directives needed when processing cglext.h on MacOSX and other platforms # Opaque long CGContextRef Opaque long void ** # Implement the first argument to cglGetProcAddress as String instead # of byte[] ArgumentIsString cglGetProcAddress 0 # # Directives needed when processing glxext.h on X11 and other platforms # Opaque long __GLXextFuncPtr Opaque boolean Bool Opaque long Display * Opaque long GLXContext Opaque long Visual * # Ignore the empty Display and Visual data structures (though made # opaque, the references from XVisualInfo and elsewhere are still # traversed) Ignore Display Ignore Visual ArgumentIsString glXGetProcAddress 0 ArgumentIsString glXGetProcAddressARB 0 ReturnsString glXQueryExtensionsString ReturnsString glXQueryServerString ReturnsString glXGetClientString TemporaryCVariableDeclaration glXGetFBConfigs int count; TemporaryCVariableAssignment glXGetFBConfigs count = _nelements_ptr[0]; ReturnValueCapacity glXGetFBConfigs count * sizeof(GLXFBConfig) ='pulled'>pulled GLUEGEN repository on http://jogamp.org/ ;
summaryrefslogtreecommitdiffstats
path: root/src/java/com/jogamp/gluegen/JavaConfiguration.java
blob: d1cb46ae4cb34faaa62d7b9b1012e884262ace60 (plain)
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/*
 * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
 * Copyright (c) 2010 JogAmp Community. 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 com.jogamp.gluegen;

import com.jogamp.gluegen.JavaEmitter.EmissionStyle;
import com.jogamp.gluegen.JavaEmitter.MethodAccess;
import java.io.*;
import java.lang.reflect.Array;
import java.util.*;
import java.util.Map.Entry;
import java.util.regex.*;

import com.jogamp.gluegen.jgram.*;
import com.jogamp.gluegen.cgram.types.*;

import java.util.logging.Logger;

import static java.util.logging.Level.*;
import static com.jogamp.gluegen.JavaEmitter.MethodAccess.*;
import static com.jogamp.gluegen.JavaEmitter.EmissionStyle.*;

/** Parses and provides access to the contents of .cfg files for the
    JavaEmitter. */

public class JavaConfiguration {

    public static final boolean DEBUG_IGNORES = GlueGen.debug() || false;
    public static final boolean DEBUG_RENAMES = GlueGen.debug() || false;
    
    private int nestedReads;
    private String packageName;
    private String implPackageName;
    private String className;
    private String implClassName;

    protected static final Logger LOG = Logger.getLogger(JavaConfiguration.class.getPackage().getName());
    
    /**
     * Root directory for the hierarchy of generated java classes. Default is
     * working directory.
     */
    private String javaOutputDir = ".";

    /**
     * Top output root directory for all generated files. Default is null, ie not to use it.
     */
    private String outputRootDir = null;

    /**
     * Directory into which generated native JNI code will be written. Default
     * is current working directory.
     */
    private String nativeOutputDir = ".";

    /**
     * If true, then each native *.c and *.h file will be generated in the
     * directory nativeOutputDir/packageAsPath(packageName). Default is false.
     */
    private boolean nativeOutputUsesJavaHierarchy;

    /**
     * If true, then the comment of a native method binding will include a @native tag
     * to allow taglets to augment the javadoc with additional information regarding
     * the mapped C function. Defaults to false.
     */
    private boolean tagNativeBinding;

    /**
     * Style of code emission. Can emit everything into one class
     * (AllStatic), separate interface and implementing classes
     * (InterfaceAndImpl), only the interface (InterfaceOnly), or only
     * the implementation (ImplOnly).
     */
    private EmissionStyle emissionStyle = AllStatic;

    /**
     * List of imports to emit at the head of the output files.
     */
    private List<String> imports = new ArrayList<String>();

    /**
     * The package in which the generated glue code expects to find its
     * run-time helper classes (Buffers, Platform,
     * StructAccessor). Defaults to "com.jogamp.gluegen.runtime".
     */
    private String gluegenRuntimePackage = "com.jogamp.gluegen.runtime";

    /**
     * The kind of exception raised by the generated code if run-time
     * checks fail. Defaults to RuntimeException.
     */
    private String runtimeExceptionType = "RuntimeException";
    private String unsupportedExceptionType = "UnsupportedOperationException";

    private Map<String, MethodAccess> accessControl = new HashMap<String, MethodAccess>();
    private Map<String, TypeInfo> typeInfoMap = new HashMap<String, TypeInfo>();
    private Set<String> returnsString = new HashSet<String>();
    private Map<String, String> returnedArrayLengths = new HashMap<String, String>();

    /**
     * Key is function that has some byte[] or short[] arguments that should be
     * converted to String args; value is List of Integer argument indices
     */
    private Map<String, List<Integer>> argumentsAreString = new HashMap<String, List<Integer>>();
    private Set<String> extendedIntfSymbolsIgnore = new HashSet<String>();
    private Set<String> extendedIntfSymbolsOnly = new HashSet<String>();
    private Set<Pattern> ignores = new HashSet<Pattern>();
    private Map<String, Pattern> ignoreMap = new HashMap<String, Pattern>();
    private Set<Pattern> ignoreNots = new HashSet<Pattern>();
    private Set<Pattern> unignores = new HashSet<Pattern>();
    private Set<Pattern> unimplemented = new HashSet<Pattern>();
    private boolean forceUseNIOOnly4All = false;
    private Set<String> useNIOOnly = new HashSet<String>();
    private boolean forceUseNIODirectOnly4All = false;
    private Set<String> useNIODirectOnly = new HashSet<String>();
    private Set<String> manuallyImplement = new HashSet<String>();
    private Map<String, List<String>> customJavaCode = new HashMap<String, List<String>>();
    private Map<String, List<String>> classJavadoc = new HashMap<String, List<String>>();
    private Map<String, String> structPackages = new HashMap<String, String>();
    private List<String> customCCode = new ArrayList<String>();
    private List<String> forcedStructs = new ArrayList<String>();
    private Map<String, String> returnValueCapacities = new HashMap<String, String>();
    private Map<String, String> returnValueLengths = new HashMap<String, String>();
    private Map<String, List<String>> temporaryCVariableDeclarations = new HashMap<String, List<String>>();
    private Map<String, List<String>> temporaryCVariableAssignments = new HashMap<String, List<String>>();
    private Map<String, List<String>> extendedInterfaces = new HashMap<String, List<String>>();
    private Map<String, List<String>> implementedInterfaces = new HashMap<String, List<String>>();
    private Map<String, String> parentClass = new HashMap<String, String>();
    private Map<String, String> javaTypeRenames = new HashMap<String, String>();
    private Map<String, String> javaSymbolRenames = new HashMap<String, String>();
    private Map<String, Set<String>> javaRenamedSymbols = new HashMap<String, Set<String>>();
    private Map<String, List<String>> javaPrologues = new HashMap<String, List<String>>();
    private Map<String, List<String>> javaEpilogues = new HashMap<String, List<String>>();

  /** Reads the configuration file.
      @param filename path to file that should be read
  */
  public final void read(String filename) throws  IOException {
    read(filename, null);
  }
  
  /** Reads the specified file, treating each line as if it started with the
      specified string.
      @param filename path to file that should be read
      @param linePrefix if not null, treat each line read as if it were
      prefixed with the specified string.
  */
  protected final void read(String filename, String linePrefix) throws IOException {
    File file = new File(filename);
    BufferedReader reader = null;
    try {
      reader = new BufferedReader(new FileReader(file));
    }
    catch (FileNotFoundException fnfe) {
      throw new RuntimeException("Could not read file \"" + file + "\"", fnfe);
    }
    int lineNo = 0;
    String line = null;
    boolean hasPrefix = linePrefix != null && linePrefix.length() > 0;
    try {
      ++nestedReads;
      while ((line = reader.readLine()) != null) {
        ++lineNo;
        if (hasPrefix)  {
          line = linePrefix + " " + line;
        }

        if (line.trim().startsWith("#")) {
          // comment line
          continue;
        }
        
        StringTokenizer tok = new StringTokenizer(line);
        if (tok.hasMoreTokens()) {
          // always reset delimiters in case of CustomJavaCode, etc.
          String cmd = tok.nextToken(" \t\n\r\f");

          dispatch(cmd, tok, file, filename, lineNo);
        }
      }
      reader.close();
    } finally {
      --nestedReads;
    }

    if (nestedReads == 0) {
      if (allStatic() && implClassName != null) {
        throw new IllegalStateException("Error in configuration file \"" + filename + "\": Cannot use " +
                                        "directive \"ImplJavaClass\" in conjunction with " +
                                        "\"Style AllStatic\"");
      }

      if (className == null && (emissionStyle() != ImplOnly)) {
//        throw new RuntimeException("Output class name was not specified in configuration file \"" + filename + "\"");
      }
      if (packageName == null && (emissionStyle() != ImplOnly)) {
        throw new RuntimeException("Output package name was not specified in configuration file \"" + filename + "\"");
      }

      if (allStatic()) {
        implClassName = className;
        // If we're using the "Style AllStatic" directive, then the
        // implPackageName is the same as the regular package name
        implPackageName = packageName;
      } else {
        if (implClassName == null) {
          // implClassName defaults to "<className>Impl" if ImplJavaClass
          // directive is not used
          if (className == null) {
            throw new RuntimeException("If ImplJavaClass is not specified, must specify JavaClass");
          }
          implClassName = className + "Impl";
        }
        if (implPackageName == null) {
          // implPackageName defaults to "<packageName>.impl" if ImplPackage
          // directive is not used
          if (packageName == null) {
            throw new RuntimeException("If ImplPackageName is not specified, must specify PackageName");
          }
          implPackageName = packageName + ".impl";
        }
      }
    }
  }

  public void setOutputRootDir(String s) { outputRootDir=s; }

    /** Returns the package name parsed from the configuration file. */
    public String packageName() {
        return packageName;
    }

    /** Returns the implementation package name parsed from the configuration file. */
    public String implPackageName() {
        return implPackageName;
    }

    /** Returns the class name parsed from the configuration file. */
    public String className() {
        return className;
    }

    /** Returns the implementation class name parsed from the configuration file. */
    public String implClassName() {
        return implClassName;
    }

    public boolean structsOnly() {
        return className == null && implClassName == null;
    }

    /** Returns the Java code output directory parsed from the configuration file. */
    public String javaOutputDir() {
        return (null != outputRootDir) ? (outputRootDir + "/" + javaOutputDir) : javaOutputDir;
    }

    /** Returns the native code output directory parsed from the configuration file. */
    public String nativeOutputDir() {
        return (null != outputRootDir) ? (outputRootDir + "/" + nativeOutputDir) : nativeOutputDir;
    }

    /** Returns whether the native code directory structure mirrors the Java hierarchy. */
    public boolean nativeOutputUsesJavaHierarchy() {
        return nativeOutputUsesJavaHierarchy;
    }

    /** Returns whether the comment of a native method binding should include a @native tag. */
    public boolean tagNativeBinding() {
        return tagNativeBinding;
    }

    /** Returns the code emission style (constants in JavaEmitter) parsed from the configuration file. */
    public EmissionStyle emissionStyle() {
        return emissionStyle;
    }

    /** Returns the access control for the emitted Java method. Returns one of JavaEmitter.ACC_PUBLIC, JavaEmitter.ACC_PROTECTED, JavaEmitter.ACC_PRIVATE, or JavaEmitter.ACC_PACKAGE_PRIVATE. */
    public MethodAccess accessControl(String methodName) {
        MethodAccess ret = accessControl.get(methodName);
        if (ret != null) {
            return ret;
        }
        // Default access control is public
        return PUBLIC;
  }

    /** Returns the package in which the generated glue code expects to
    find its run-time helper classes (Buffers, Platform,
    StructAccessor). Defaults to "com.jogamp.gluegen.runtime". */
    public String gluegenRuntimePackage() {
        return gluegenRuntimePackage;
    }

    /** Returns the kind of exception to raise if run-time checks fail in the generated code. */
    public String runtimeExceptionType() {
        return runtimeExceptionType;
    }

    /** Returns the kind of exception to raise if run-time checks fail in the generated code. */
    public String unsupportedExceptionType() {
        return unsupportedExceptionType;
    }

    /** Returns the list of imports that should be emitted at the top of each .java file. */
    public List<String> imports() {
        return imports;
    }

  private static final boolean DEBUG_TYPE_INFO = false;
  /** If this type should be considered opaque, returns the TypeInfo
      describing the replacement type. Returns null if this type
      should not be considered opaque. */
  public TypeInfo typeInfo(Type type, TypeDictionary typedefDictionary) {
    // Because typedefs of pointer types can show up at any point,
    // walk the pointer chain looking for a typedef name that is in
    // the TypeInfo map.
    if (DEBUG_TYPE_INFO)
      System.err.println("Incoming type = " + type);
    int pointerDepth = type.pointerDepth();
    for (int i = 0; i <= pointerDepth; i++) {
      String name = type.getName();
      if (DEBUG_TYPE_INFO) {
        System.err.println(" Type = " + type);
        System.err.println(" Name = " + name);
      }
      if (name != null) {
        TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
        if (info != null) {
          if (DEBUG_TYPE_INFO) {
            System.err.println(" info.name=" + info.name() + ", name=" + name +
                               ", info.pointerDepth=" + info.pointerDepth() +
                               ", type.pointerDepth=" + type.pointerDepth());
          }
          return promoteTypeInfo(info, i);
        }
      }

      if (type.isCompound()) {
        // Try struct name as well
        name = type.asCompound().getStructName();
        if (name != null) {
          TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
          if (info != null) {
            if (DEBUG_TYPE_INFO) {
              System.err.println(" info.name=" + info.name() + ", name=" + name +
                                 ", info.pointerDepth=" + info.pointerDepth() +
                                 ", type.pointerDepth=" + type.pointerDepth());
            }
            return promoteTypeInfo(info, i);
          }
        }
      }

      // Try all typedef names that map to this type
      Set<Entry<String, Type>> entrySet = typedefDictionary.entrySet();
      for (Map.Entry<String, Type> entry : entrySet) {
        // "eq" equality is OK to use here since all types have been canonicalized
        if (entry.getValue() == type) {
          name = entry.getKey();
          if (DEBUG_TYPE_INFO) {
            System.err.println("Looking under typedef name " + name);
          }
          TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
          if (info != null) {
            if (DEBUG_TYPE_INFO) {
              System.err.println(" info.name=" + info.name() + ", name=" + name +
                                 ", info.pointerDepth=" + info.pointerDepth() +
                                 ", type.pointerDepth=" + type.pointerDepth());
            }
            return promoteTypeInfo(info, i);
          }
        }
      }

      if (type.isPointer()) {
        type = type.asPointer().getTargetType();
      }
    }

    return null;
  }

  // Helper functions for above
  private TypeInfo closestTypeInfo(String name, int pointerDepth) {
    TypeInfo info = typeInfoMap.get(name);
    TypeInfo closest = null;
    while (info != null) {
      if (DEBUG_TYPE_INFO)
        System.err.println("  Checking TypeInfo for " + name + " at pointerDepth " + pointerDepth);
      if (info.pointerDepth() <= pointerDepth && (closest == null || info.pointerDepth() > closest.pointerDepth())) {
        if (DEBUG_TYPE_INFO)
          System.err.println("   Accepted");
        closest = info;
      }
      info = info.next();
    }
    return closest;
  }

  // Promotes a TypeInfo to a higher pointer type (if necessary)
  private TypeInfo promoteTypeInfo(TypeInfo info, int numPointersStripped) {
    int diff = numPointersStripped - info.pointerDepth();
    if (diff == 0) {
      return info;
    }

    if (diff < 0) {
      throw new RuntimeException("TypeInfo for " + info.name() + " and pointerDepth " +
                                 info.pointerDepth() + " should not have matched for depth " +
                                 numPointersStripped);
    }

    Class<?> c = info.javaType().getJavaClass();
    int pd = info.pointerDepth();

    // Handle single-pointer stripping for types compatible with C
    // integral and floating-point types specially so we end up
    // generating NIO variants for these
    if (diff == 1) {
      JavaType jt = null;
      if      (c == Boolean.TYPE) jt = JavaType.createForCCharPointer();
      else if (c == Byte.TYPE)    jt = JavaType.createForCCharPointer();
      else if (c == Short.TYPE)   jt = JavaType.createForCShortPointer();
      else if (c == Integer.TYPE) jt = JavaType.createForCInt32Pointer();
      else if (c == Long.TYPE)    jt = JavaType.createForCInt64Pointer();
      else if (c == Float.TYPE)   jt = JavaType.createForCFloatPointer();
      else if (c == Double.TYPE)  jt = JavaType.createForCDoublePointer();

      if (jt != null) 
        return new TypeInfo(info.name(), pd + numPointersStripped, jt);
    }

    while (diff > 0) {
      c = Array.newInstance(c, 0).getClass();
      --diff;
    }
    
    return new TypeInfo(info.name(),
                        numPointersStripped,
                        JavaType.createForClass(c));
  }

  /** Indicates whether the given function (which returns a
      <code>char*</code> in C) should be translated as returning a
      <code>java.lang.String</code>. */
  public boolean returnsString(String functionName) {
    return returnsString.contains(functionName);
  }

  /** Provides a Java MessageFormat expression indicating the number
      of elements in the returned array from the specified function
      name. Indicates that the given return value, which must be a
      pointer to a CompoundType, is actually an array of the
      CompoundType rather than a pointer to a single object. */
  public String returnedArrayLength(String functionName) {
    return returnedArrayLengths.get(functionName);
  }

  /** Returns a list of <code>Integer</code>s which are the indices of <code>const char*</code>
      arguments that should be converted to <code>String</code>s. Returns null if there are no
      such hints for the given function name. */

  public List<Integer> stringArguments(String functionName) {
    return argumentsAreString.get(functionName);
  }

  public boolean isForceUsingNIOOnly4All() { return forceUseNIOOnly4All; }

  public void addUseNIOOnly(String fname ) {
      useNIOOnly.add(fname);
  }
  /** Returns true if the given function should only create a java.nio
      variant, and no array variants, for <code>void*</code> and other
      C primitive pointers. NIO only still allows usage of array backed not direct Buffers. */
  public boolean useNIOOnly(String functionName) {
    return useNIODirectOnly(functionName) || forceUseNIOOnly4All || useNIOOnly.contains(functionName);
  }

  public void addUseNIODirectOnly(String fname ) {
      useNIODirectOnly.add(fname);
  }
  /** Returns true if the given function should only create a java.nio
      variant, and no array variants, for <code>void*</code> and other
      C primitive pointers. NIO direct only does only allow direct Buffers.
      Implies useNIOOnly ! 
   */
  public boolean useNIODirectOnly(String functionName) {
    return forceUseNIODirectOnly4All || useNIODirectOnly.contains(functionName);
  }

  /** Returns true if the glue code for the given function will be
      manually implemented by the end user. */
  public boolean manuallyImplement(String functionName) {
    return manuallyImplement.contains(functionName);
  }

  /** Returns a list of Strings containing user-implemented code for
      the given Java type name (not fully-qualified, only the class
      name); returns either null or an empty list if there is no
      custom code for the class. */
  public List<String> customJavaCodeForClass(String className) {
    List<String> res = customJavaCode.get(className);
    if (res == null) {
      res = new ArrayList<String>();
      customJavaCode.put(className, res);
    }
    return res;
  }

  /** Returns a list of Strings containing Javadoc documentation for
      the given Java type name (not fully-qualified, only the class
      name); returns either null or an empty list if there is no
      Javadoc documentation for the class. */
  public List<String> javadocForClass(String className) {
    List<String> res = classJavadoc.get(className);
    if (res == null) {
      res = new ArrayList<String>();
      classJavadoc.put(className, res);
    }
    return res;
  }

  /** Returns the package into which to place the glue code for
      accessing the specified struct. Defaults to emitting into the
      regular package (i.e., the result of {@link #packageName}). */
  public String packageForStruct(String structName) {
    String res = structPackages.get(structName);
    if (res == null) {
      res = packageName;
    }
    return res;
  }

  /** Returns, as a List of Strings, the custom C code to be emitted
      along with the glue code for the main class. */
  public List<String> customCCode() {
    return customCCode;
  }

  /** Returns, as a List of Strings, the structs for which glue code
      emission should be forced. */
  public List<String> forcedStructs() {
    return forcedStructs;
  }

  /** Returns a MessageFormat string of the C expression calculating
      the capacity of the java.nio.ByteBuffer being returned from a
      native method, or null if no expression has been specified. */
  public String returnValueCapacity(String functionName) {
    return returnValueCapacities.get(functionName);
  }

  /** Returns a MessageFormat string of the C expression calculating
      the length of the array being returned from a native method, or
      null if no expression has been specified. */
  public String returnValueLength(String functionName) {
    return returnValueLengths.get(functionName);
  }

  /** Returns a List of Strings of expressions declaring temporary C
      variables in the glue code for the specified function. */
  public List<String> temporaryCVariableDeclarations(String functionName) {
    return temporaryCVariableDeclarations.get(functionName);
  }

  /** Returns a List of Strings of expressions containing assignments
      to temporary C variables in the glue code for the specified
      function. */
  public List<String> temporaryCVariableAssignments(String functionName) {
    return temporaryCVariableAssignments.get(functionName);
  }

  /** Returns a List of Strings indicating the interfaces the passed
      interface should declare it extends. May return null or a list
      of zero length if there are none. */
  public List<String> extendedInterfaces(String interfaceName) {
    List<String> res = extendedInterfaces.get(interfaceName);
    if (res == null) {
      res = new ArrayList<String>();
      extendedInterfaces.put(interfaceName, res);
    }
    return res;
  }

  /** Returns a List of Strings indicating the interfaces the passed
      class should declare it implements. May return null or a list
      of zero length if there are none. */
  public List<String> implementedInterfaces(String className) {
    List<String> res = implementedInterfaces.get(className);
    if (res == null) {
      res = new ArrayList<String>();
      implementedInterfaces.put(className, res);
    }
    return res;
  }

  /** Returns a List of Strings indicating the interfaces the passed
      class should declare it implements. May return null or a list
      of zero length if there are none. */
  public String extendedParentClass(String className) {
    return parentClass.get(className);
  }

  public void dumpIgnoresOnce() {
    if(!dumpedIgnores) {
        dumpedIgnores = true;
        dumpIgnores();
    }
  }
  private static boolean dumpedIgnores = false;

  public void dumpIgnores() {
    System.err.println("Extended Intf: ");
    for (String str : extendedIntfSymbolsIgnore) {
        System.err.println("\t"+str);
    }
    System.err.println("Ignores (All): ");
    for (Pattern pattern : ignores) {
        System.err.println("\t"+pattern);
    }
  }

  public void dumpRenamesOnce() {
    if(!dumpedRenames) {
        dumpedRenames = true;
        dumpRenames();
    }
  }
  private static boolean dumpedRenames = false;
  
  public void dumpRenames() {
    System.err.println("Symbol Renames: ");
    for (String key : javaSymbolRenames.keySet()) {
        System.err.println("\t"+key+" -> "+javaSymbolRenames.get(key));
    }
    
    System.err.println("Symbol Aliasing (through renaming): ");
    for(String newName : javaSymbolRenames.values()) {
        Set<String> origNames = javaRenamedSymbols.get(newName);
        if(null!=origNames) {
            System.err.println("\t"+newName+" <- "+origNames);
        }
    }       
  }

  /** Returns true if this #define, function, struct, or field within
      a struct should be ignored during glue code generation. */
  public boolean shouldIgnoreInInterface(String symbol) {
    if(DEBUG_IGNORES) {
        dumpIgnoresOnce();
    }
    // Simple case; the entire symbol (orig or renamed) is in the interface ignore table
    if (extendedIntfSymbolsIgnore.contains(symbol) ||
        extendedIntfSymbolsIgnore.contains(getJavaSymbolRename(symbol))) {
      if(DEBUG_IGNORES) {
          System.err.println("Ignore Intf: "+symbol);
      }
      return true;
    }
    return shouldIgnoreInImpl_Int(symbol);
  }

  public boolean shouldIgnoreInImpl(String symbol) {
    return shouldIgnoreInImpl_Int(symbol);
  }

  private boolean shouldIgnoreInImpl_Int(String symbol) {

    if(DEBUG_IGNORES) {
      dumpIgnoresOnce();
    }

    if (!extendedIntfSymbolsOnly.isEmpty()) {
      if(!extendedIntfSymbolsOnly.contains(symbol) &&
         !extendedIntfSymbolsOnly.contains(getJavaSymbolRename(symbol))) {
          if(DEBUG_IGNORES) {
              System.err.println("Ignore Impl !extended: " + symbol);
          }
          return true;
      }
    }
        
    // Simple case; the entire symbol is in the ignore table.
    if (ignores.contains(symbol)) {
      if(DEBUG_IGNORES) {
          System.err.println("Ignore Impl ignores: "+symbol);
      }
      return true;
    }

    // Ok, the slow case. We need to check the entire table, in case the table
    // contains an regular expression that matches the symbol.
    for (Pattern regexp : ignores) {
      Matcher matcher = regexp.matcher(symbol);
      if (matcher.matches()) {
        if(DEBUG_IGNORES) {
            System.err.println("Ignore Impl RegEx: "+symbol);
        }
        return true;
      }
    }

    // Check negated ignore table if not empty
    if (ignoreNots.size() > 0) {
      // Ok, the slow case. We need to check the entire table, in case the table
      // contains an regular expression that matches the symbol.
      for (Pattern regexp : ignoreNots) {
        Matcher matcher = regexp.matcher(symbol);
        if (!matcher.matches()) {
          // Special case as this is most often likely to be the case. 
          // Unignores are not used very often.
          if(unignores.isEmpty()) {
            if(DEBUG_IGNORES) {
                System.err.println("Ignore Impl unignores==0: "+symbol);
            }
            return true;
          }
         	  
          boolean unignoreFound = false;
          for (Pattern unignoreRegexp : unignores) {
            Matcher unignoreMatcher = unignoreRegexp.matcher(symbol);
            if (unignoreMatcher.matches()) {
              unignoreFound = true;
              break;
            }
          }
         	  
          if (!unignoreFound)
            if(DEBUG_IGNORES) {
                System.err.println("Ignore Impl !unignore: "+symbol);
            }
            return true;
        }
      }
    }

    return false;
  }

  /** Returns true if this function should be given a body which
      throws a run-time exception with an "unimplemented" message
      during glue code generation. */
  public boolean isUnimplemented(String symbol) {

    // Simple case; the entire symbol is in the ignore table.
    if (unimplemented.contains(symbol)) {
      return true;
    }

    // Ok, the slow case. We need to check the entire table, in case the table
    // contains an regular expression that matches the symbol.
    for (Pattern regexp : unimplemented) {
      Matcher matcher = regexp.matcher(symbol);
      if (matcher.matches()) {
        return true;
      }
    }

    return false;
  }

  /** Returns a replacement name for this type, which should be the
      name of a Java wrapper class for a C struct, or the name
      unchanged if no RenameJavaType directive was specified for this
      type. */
  public String renameJavaType(String javaTypeName) {
    String rename = javaTypeRenames.get(javaTypeName);
    if (rename != null) {
      return rename;
    }
    return javaTypeName;
  }

  /** Returns a replacement name for this function or definition which
      should be used as the Java name for the bound method or
      constant. If a function, it still calls the originally-named C
      function under the hood. Returns null if this symbol has not
      been explicitly renamed. */
  public String getJavaSymbolRename(String origName) {
    if(DEBUG_RENAMES) {
        dumpRenamesOnce();
    }
    return javaSymbolRenames.get(origName);
  }

  /** Returns a set of replaced names to the given <code>aliasedName</code>. */
  public Set<String> getRenamedJavaSymbols(String aliasedName) {
    return javaRenamedSymbols.get(aliasedName);
  }
  
  /** Programmatically adds a rename directive for the given symbol. */
  public void addJavaSymbolRename(String origName, String newName) {
    if(DEBUG_RENAMES) {
        System.err.print("\tRename "+origName+" -> "+newName);
    }
    String prevValue = javaSymbolRenames.put(origName, newName);
    if(null != prevValue && !prevValue.equals(newName)) {
        throw new RuntimeException("Rename-Override Attampt: "+origName+" -> "+newName+
                                   ", but "+origName+" -> "+prevValue+" already exist. Run in 'debug' mode to analyze!");
    }
    if(DEBUG_RENAMES) {
        System.err.println();
    }
    
    Set<String> origNames = javaRenamedSymbols.get(newName);
    if(null == origNames) {
        origNames = new HashSet<String>();
        javaRenamedSymbols.put(newName, origNames);
    }
    origNames.add(origName);    
  }

  /** Returns true if the emission style is AllStatic. */
  public boolean allStatic() {
    return emissionStyle == AllStatic;
  }

  /** Returns true if an interface should be emitted during glue code generation. */
  public boolean emitInterface() {
    return emissionStyle() == InterfaceAndImpl || emissionStyle() == InterfaceOnly;
  }

  /** Returns true if an implementing class should be emitted during glue code generation. */
  public boolean emitImpl() {
    return emissionStyle() == AllStatic || emissionStyle() == InterfaceAndImpl || emissionStyle() == ImplOnly;
  }

  /** Returns a list of Strings which should be emitted as a prologue
      to the body for the Java-side glue code for the given method.
      Returns null if no prologue was specified. */
  public List<String> javaPrologueForMethod(MethodBinding binding,
                                                boolean forImplementingMethodCall,
                                                boolean eraseBufferAndArrayTypes) {
    List<String> res = javaPrologues.get(binding.getName());
    if (res == null) {
      // Try again with method name and descriptor
      res = javaPrologues.get(binding.getName() + binding.getDescriptor(forImplementingMethodCall, eraseBufferAndArrayTypes));
    }
    return res;
  }

  /** Returns a list of Strings which should be emitted as an epilogue
      to the body for the Java-side glue code for the given method.
      Returns null if no epilogue was specified. */
  public List<String> javaEpilogueForMethod(MethodBinding binding,
                                                boolean forImplementingMethodCall,
                                                boolean eraseBufferAndArrayTypes) {
    List<String> res = javaEpilogues.get(binding.getName());
    if (res == null) {
      // Try again with method name and descriptor
      res = javaEpilogues.get(binding.getName() + binding.getDescriptor(forImplementingMethodCall, eraseBufferAndArrayTypes));
    }
    return res;
  }

  //----------------------------------------------------------------------
  // Internals only below this point
  //

  protected void dispatch(String cmd, StringTokenizer tok, File file, String filename, int lineNo) throws IOException {
    //System.err.println("read cmd = [" + cmd + "]"); 
    if (cmd.equalsIgnoreCase("Package")) {
      packageName = readString("package", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("GlueGenRuntimePackage")) {
      gluegenRuntimePackage = readString("GlueGenRuntimePackage", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ImplPackage")) {
      implPackageName = readString("ImplPackage", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("JavaClass")) {
      className = readString("JavaClass", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ImplJavaClass")) {
      implClassName = readString("ImplJavaClass", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("JavaOutputDir")) {
      javaOutputDir = readString("JavaOutputDir", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("NativeOutputDir")) {
      nativeOutputDir = readString("NativeOutputDir", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("HierarchicalNativeOutput")) {
      String tmp = readString("HierarchicalNativeOutput", tok, filename, lineNo);
      nativeOutputUsesJavaHierarchy = Boolean.valueOf(tmp).booleanValue();
    } else if (cmd.equalsIgnoreCase("TagNativeBinding")) {
      tagNativeBinding = readBoolean("TagNativeBinding", tok, filename, lineNo).booleanValue();
    } else if (cmd.equalsIgnoreCase("Style")) {
        try{
          emissionStyle = EmissionStyle.valueOf(readString("Style", tok, filename, lineNo));
        }catch(IllegalArgumentException ex) {
            LOG.log(WARNING, "Error parsing \"style\" command at line {0} in file \"{1}\"", new Object[]{lineNo, filename});
        }
    } else if (cmd.equalsIgnoreCase("AccessControl")) {
      readAccessControl(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("Import")) {
      imports.add(readString("Import", tok, filename, lineNo));
    } else if (cmd.equalsIgnoreCase("Opaque")) {
      readOpaque(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ReturnsString")) {
      readReturnsString(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ReturnedArrayLength")) {
      readReturnedArrayLength(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because ReturnedArrayLength changes them.
    } else if (cmd.equalsIgnoreCase("ArgumentIsString")) {
      readArgumentIsString(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ExtendedInterfaceSymbolsIgnore")) {
      readExtendedInterfaceSymbols(tok, filename, lineNo, false);
    } else if (cmd.equalsIgnoreCase("ExtendedInterfaceSymbolsOnly")) {
      readExtendedInterfaceSymbols(tok, filename, lineNo, true);
    } else if (cmd.equalsIgnoreCase("Ignore")) {
      readIgnore(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("Unignore")) {
      readUnignore(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("IgnoreNot")) {
      readIgnoreNot(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("Unimplemented")) {
      readUnimplemented(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("IgnoreField")) {
      readIgnoreField(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ManuallyImplement")) {
      readManuallyImplement(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("CustomJavaCode")) {
      readCustomJavaCode(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because readCustomJavaCode changes them.
    } else if (cmd.equalsIgnoreCase("CustomCCode")) {
      readCustomCCode(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because readCustomCCode changes them.
    } else if (cmd.equalsIgnoreCase("ClassJavadoc")) {
      readClassJavadoc(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because readClassJavadoc changes them.
    } else if (cmd.equalsIgnoreCase("NIOOnly")) {
      String funcName = readString("NIOOnly", tok, filename, lineNo);
      if(funcName.equals("__ALL__")) {
          forceUseNIOOnly4All=true;
      } else {
          addUseNIOOnly( funcName );
      }
    } else if (cmd.equalsIgnoreCase("NIODirectOnly")) {
      String funcName = readString("NIODirectOnly", tok, filename, lineNo);
      if(funcName.equals("__ALL__")) {
          forceUseNIODirectOnly4All=true;
      } else {
          addUseNIODirectOnly( funcName );
      }
    } else if (cmd.equalsIgnoreCase("EmitStruct")) {
      forcedStructs.add(readString("EmitStruct", tok, filename, lineNo));
    } else if (cmd.equalsIgnoreCase("StructPackage")) {
      readStructPackage(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("TemporaryCVariableDeclaration")) {
      readTemporaryCVariableDeclaration(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because TemporaryCVariableDeclaration changes them.
    } else if (cmd.equalsIgnoreCase("TemporaryCVariableAssignment")) {
      readTemporaryCVariableAssignment(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because TemporaryCVariableAssignment changes them.
    } else if (cmd.equalsIgnoreCase("ReturnValueCapacity")) {
      readReturnValueCapacity(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because ReturnValueCapacity changes them.
    } else if (cmd.equalsIgnoreCase("ReturnValueLength")) {
      readReturnValueLength(tok, filename, lineNo);
      // Warning: make sure delimiters are reset at the top of this loop
      // because ReturnValueLength changes them.
    } else if (cmd.equalsIgnoreCase("Include")) {
      doInclude(tok, file, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("IncludeAs")) {
      doIncludeAs(tok, file, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("Extends")) {
      readExtend(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("Implements")) {
      readImplements(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("ParentClass")) {
      readParentClass(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("RenameJavaType")) {
      readRenameJavaType(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("RenameJavaSymbol") ||
               // Backward compatibility
               cmd.equalsIgnoreCase("RenameJavaMethod")) {
      readRenameJavaSymbol(tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("RuntimeExceptionType")) {
      runtimeExceptionType = readString("RuntimeExceptionType", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("UnsupportedExceptionType")) {
      unsupportedExceptionType = readString("UnsupportedExceptionType", tok, filename, lineNo);
    } else if (cmd.equalsIgnoreCase("JavaPrologue")) {
      readJavaPrologueOrEpilogue(tok, filename, lineNo, true);
      // Warning: make sure delimiters are reset at the top of this loop
      // because readJavaPrologueOrEpilogue changes them.
    } else if (cmd.equalsIgnoreCase("JavaEpilogue")) {
      readJavaPrologueOrEpilogue(tok, filename, lineNo, false);
      // Warning: make sure delimiters are reset at the top of this loop
      // because readJavaPrologueOrEpilogue changes them.
    } else if (cmd.equalsIgnoreCase("RangeCheck")) {
      readRangeCheck(tok, filename, lineNo, false);
      // Warning: make sure delimiters are reset at the top of this loop
      // because RangeCheck changes them.
    } else if (cmd.equalsIgnoreCase("RangeCheckBytes")) {
      readRangeCheck(tok, filename, lineNo, true);
      // Warning: make sure delimiters are reset at the top of this loop
      // because RangeCheckBytes changes them.
    } else {
      throw new RuntimeException("Unknown command \"" + cmd +
                                 "\" in command file " + filename +
                                 " at line number " + lineNo);
    }
  }

  protected String readString(String cmd, StringTokenizer tok, String filename, int lineNo) {
    try {
      return tok.nextToken();
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"" + cmd + "\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected Boolean readBoolean(String cmd, StringTokenizer tok, String filename, int lineNo) {
    try {
      return Boolean.valueOf(tok.nextToken());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"" + cmd + "\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected boolean value", e);
    }
  }

  protected Class<?> stringToPrimitiveType(String type) throws ClassNotFoundException {
    if (type.equals("boolean")) return Boolean.TYPE;
    if (type.equals("byte"))    return Byte.TYPE;
    if (type.equals("char"))    return Character.TYPE;
    if (type.equals("short"))   return Short.TYPE;
    if (type.equals("int"))     return Integer.TYPE;
    if (type.equals("long"))    return Long.TYPE;
    if (type.equals("float"))   return Float.TYPE;
    if (type.equals("double"))  return Double.TYPE;
    throw new RuntimeException("Only primitive types are supported here");
  }

    protected void readAccessControl(StringTokenizer tok, String filename, int lineNo) {
        try {
            String methodName = tok.nextToken();
            String style = tok.nextToken();
            MethodAccess access = MethodAccess.valueOf(style.toUpperCase());
            accessControl.put(methodName, access);
        } catch (Exception e) {
            throw new RuntimeException("Error parsing \"AccessControl\" command at line " + lineNo
                    + " in file \"" + filename + "\"", e);
        }
    }

  protected void readOpaque(StringTokenizer tok, String filename, int lineNo) {
    try {
      JavaType javaType = JavaType.createForClass(stringToPrimitiveType(tok.nextToken()));
      String cType = null;
      while (tok.hasMoreTokens()) {
        if (cType == null) {
          cType = tok.nextToken();
        } else {
          cType = cType + " " + tok.nextToken();
        }
      }
      if (cType == null) {
        throw new RuntimeException("No C type for \"Opaque\" command at line " + lineNo +
          " in file \"" + filename + "\"");
      }
      TypeInfo info = parseTypeInfo(cType, javaType);
      addTypeInfo(info);
    } catch (Exception e) {
      throw new RuntimeException("Error parsing \"Opaque\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readReturnsString(StringTokenizer tok, String filename, int lineNo) {
    try {
      String name = tok.nextToken();
      returnsString.add(name);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ReturnsString\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readReturnedArrayLength(StringTokenizer tok, String filename, int lineNo) {
    try {
      String functionName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      returnedArrayLengths.put(functionName, restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ReturnedArrayLength\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  @SuppressWarnings("unchecked")
  protected void readExtendedInterfaceSymbols(StringTokenizer tok, String filename, int lineNo, boolean onlyList) {
    File javaFile;
    BufferedReader javaReader;
    try {
      javaFile  = new File(tok.nextToken());
      javaReader = new BufferedReader(new FileReader(javaFile));
    } catch (FileNotFoundException e) {
      throw new RuntimeException(e);
    }

    JavaLexer lexer = new JavaLexer(javaReader);
    lexer.setFilename(javaFile.getName());

    JavaParser parser = new JavaParser(lexer);
    parser.setFilename(javaFile.getName());

    try {
        parser.compilationUnit();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }

    if(onlyList) {
        extendedIntfSymbolsOnly.addAll(parser.getParsedEnumNames());
        extendedIntfSymbolsOnly.addAll(parser.getParsedFunctionNames());
    } else {
        extendedIntfSymbolsIgnore.addAll(parser.getParsedEnumNames());
        extendedIntfSymbolsIgnore.addAll(parser.getParsedFunctionNames());
    }
  }

  protected void readIgnore(StringTokenizer tok, String filename, int lineNo) {
    try {
      String regex = tok.nextToken();
      Pattern pattern = Pattern.compile(regex);
      ignores.add(pattern);
      ignoreMap.put(regex, pattern);
      //System.err.println("IGNORING " + regex + " / " + ignores.get(regex));
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Ignore\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readUnignore(StringTokenizer tok, String filename, int lineNo) {
    try {
      String regex = tok.nextToken();
      Pattern pattern = ignoreMap.get(regex);
      ignoreMap.remove(regex);
      ignores.remove(pattern);

      // If the pattern wasn't registered before, then make sure we have a 
      // valid pattern instance to put into the unignores set.
      if(pattern == null)
        pattern = Pattern.compile(regex);
      unignores.add(pattern);
       
      //System.err.println("UN-IGNORING " + regex + " / " + ignores.get(regex));
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Unignore\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readIgnoreNot(StringTokenizer tok, String filename, int lineNo) {
    try {
      String regex = tok.nextToken();
      ignoreNots.add(Pattern.compile(regex));
      //System.err.println("IGNORING NEGATION OF " + regex + " / " + ignores.get(regex));
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"IgnoreNot\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readUnimplemented(StringTokenizer tok, String filename, int lineNo) {
    try {
      String regex = tok.nextToken();
      unimplemented.add(Pattern.compile(regex));
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Unimplemented\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readIgnoreField(StringTokenizer tok, String filename, int lineNo) {
    try {
      String containingStruct = tok.nextToken();
      String name = tok.nextToken();
      ignores.add(Pattern.compile(containingStruct + " " + name));
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"IgnoreField\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readManuallyImplement(StringTokenizer tok, String filename, int lineNo) {
    try {
      String name = tok.nextToken();
      manuallyImplement.add(name);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ManuallyImplement\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readCustomJavaCode(StringTokenizer tok, String filename, int lineNo) {
    try {
      String tokenClassName = tok.nextToken();
      try {
          String restOfLine = tok.nextToken("\n\r\f");
          addCustomJavaCode(tokenClassName, restOfLine);
      } catch (NoSuchElementException e) {
          addCustomJavaCode(tokenClassName, "");
      }
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"CustomJavaCode\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void addCustomJavaCode(String className, String code) {
    List<String> codeList = customJavaCodeForClass(className);
    codeList.add(code);
  }

  protected void readCustomCCode(StringTokenizer tok, String filename, int lineNo) {
    try {
      String restOfLine = tok.nextToken("\n\r\f");
      customCCode.add(restOfLine);
    } catch (NoSuchElementException e) {
      customCCode.add("");
    }
  }

  protected void readClassJavadoc(StringTokenizer tok, String filename, int lineNo) {
    try {
      String tokenClassName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      addClassJavadoc(tokenClassName, restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ClassJavadoc\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void addClassJavadoc(String className, String code) {
    List<String> codeList = javadocForClass(className);
    codeList.add(code);
  }

 /**
   * When const char* arguments in the C function prototypes are encountered,
   * the emitter will normally convert them to <code>byte[]</code>
   * arguments. This directive lets you specify which of those arguments
   * should be converted to <code>String</code> arguments instead of <code>
   * byte[] </code>. <p>
   *
   * For example, given the C prototype:
   * <pre>
   * void FuncName(const char* ugh, int bar, const char *foo, const char* goop);
   * </pre>
   *
   * The emitter will normally emit:
   * <pre>
   * public abstract void FuncName(byte[] ugh, int bar, byte[] foo, byte[] goop);
   * </pre>
   * 
   * However, if you supplied the following directive:
   *
   * <pre>
   * ArgumentIsString FuncName 0 2
   * </pre>
   *
   * The emitter will instead emit:
   * <pre>
   * public abstract void FuncName(String ugh, int bar, String foo, byte[] goop);
   * </pre>
   *
   */
  protected void readArgumentIsString(StringTokenizer tok, String filename, int lineNo) {
    try {
      String methodName = tok.nextToken();
      ArrayList<Integer> argIndices = new ArrayList<Integer>(2);
      while (tok.hasMoreTokens()) {
        Integer idx = Integer.valueOf(tok.nextToken());
        argIndices.add(idx);
      }

      if (argIndices.size() > 0) {
        argumentsAreString.put(methodName, argIndices);
      } else {
        throw new RuntimeException("ERROR: Error parsing \"ArgumentIsString\" command at line " + lineNo +
          " in file \"" + filename + "\": directive requires specification of at least 1 index");
      }
    } catch (NoSuchElementException e) {
      throw new RuntimeException(
        "Error parsing \"ArgumentIsString\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }
  
  protected void readStructPackage(StringTokenizer tok, String filename, int lineNo) {
    try {
      String struct = tok.nextToken();
      String pkg = tok.nextToken();
      structPackages.put(struct, pkg);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"StructPackage\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readReturnValueCapacity(StringTokenizer tok, String filename, int lineNo) {
    try {
      String functionName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      returnValueCapacities.put(functionName, restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ReturnValueCapacity\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readReturnValueLength(StringTokenizer tok, String filename, int lineNo) {
    try {
      String functionName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      returnValueLengths.put(functionName, restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ReturnValueLength\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readTemporaryCVariableDeclaration(StringTokenizer tok, String filename, int lineNo) {
    try {
      String functionName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      List<String> list = temporaryCVariableDeclarations.get(functionName);
      if (list == null) {
        list = new ArrayList<String>();
        temporaryCVariableDeclarations.put(functionName, list);
      }
      list.add(restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"TemporaryCVariableDeclaration\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readTemporaryCVariableAssignment(StringTokenizer tok, String filename, int lineNo) {
    try {
      String functionName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      List<String> list = temporaryCVariableAssignments.get(functionName);
      if (list == null) {
        list = new ArrayList<String>();
        temporaryCVariableAssignments.put(functionName, list);
      }
      list.add(restOfLine);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"TemporaryCVariableAssignment\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void doInclude(StringTokenizer tok, File file, String filename, int lineNo) throws IOException {
    try {
      String includedFilename = tok.nextToken();
      File includedFile = new File(includedFilename);
      if (!includedFile.isAbsolute()) {
        includedFile = new File(file.getParentFile(), includedFilename);
      }
      read(includedFile.getAbsolutePath());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Include\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void doIncludeAs(StringTokenizer tok, File file, String filename, int lineNo) throws IOException {
    try {
      StringBuilder linePrefix = new StringBuilder(128);
      while (tok.countTokens() > 1)
      {
        linePrefix.append(tok.nextToken());
        linePrefix.append(" ");  
      }
      // last token is filename
      String includedFilename = tok.nextToken();
      File includedFile = new File(includedFilename);
      if (!includedFile.isAbsolute()) {
        includedFile = new File(file.getParentFile(), includedFilename);
      }
      read(includedFile.getAbsolutePath(), linePrefix.toString());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"IncludeAs\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected void readExtend(StringTokenizer tok, String filename, int lineNo) {
    try {
      String interfaceName = tok.nextToken();
      List<String> intfs = extendedInterfaces(interfaceName);
      intfs.add(tok.nextToken());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Extends\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected void readImplements(StringTokenizer tok, String filename, int lineNo) {
    try {
      String tokenClassName = tok.nextToken();
      List<String> intfs = implementedInterfaces(tokenClassName);
      intfs.add(tok.nextToken());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"Implements\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected void readParentClass(StringTokenizer tok, String filename, int lineNo) {
    try {
      String tokenClassName = tok.nextToken();
      parentClass.put(tokenClassName, tok.nextToken());
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"ParentClass\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected void readRenameJavaType(StringTokenizer tok, String filename, int lineNo) {
    try {
      String fromName = tok.nextToken();
      String toName   = tok.nextToken();
      javaTypeRenames.put(fromName, toName);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"RenameJavaType\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected void readRenameJavaSymbol(StringTokenizer tok, String filename, int lineNo) {
    try {
      String fromName = tok.nextToken();
      String toName   = tok.nextToken();
      addJavaSymbolRename(fromName, toName);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"RenameJavaSymbol\" command at line " + lineNo +
        " in file \"" + filename + "\": missing expected parameter", e);
    }
  }

  protected void readJavaPrologueOrEpilogue(StringTokenizer tok, String filename, int lineNo, boolean prologue) {
    try {
      String methodName = tok.nextToken();
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      if (startsWithDescriptor(restOfLine)) {
        // Assume it starts with signature for disambiguation
        int spaceIdx = restOfLine.indexOf(' ');
        if (spaceIdx > 0) {
          String descriptor = restOfLine.substring(0, spaceIdx);
          restOfLine = restOfLine.substring(spaceIdx + 1, restOfLine.length());
          methodName = methodName + descriptor;
        }
      }
      addJavaPrologueOrEpilogue(methodName, restOfLine, prologue);
    } catch (NoSuchElementException e) {
      throw new RuntimeException("Error parsing \"" + 
                                 (prologue ? "JavaPrologue" : "JavaEpilogue") +
                                 "\" command at line " + lineNo +
                                 " in file \"" + filename + "\"", e);
    }
  }

  protected void addJavaPrologueOrEpilogue(String methodName, String code, boolean prologue) {
    Map<String, List<String>> codes = (prologue ? javaPrologues : javaEpilogues);
    List<String> data = codes.get(methodName);
    if (data == null) {
      data = new ArrayList<String>();
      codes.put(methodName, data);
    }
    data.add(code);
  }

  protected void readRangeCheck(StringTokenizer tok, String filename, int lineNo, boolean inBytes) {
    try {
      String functionName = tok.nextToken();
      int argNum = Integer.parseInt(tok.nextToken());
      String restOfLine = tok.nextToken("\n\r\f");
      restOfLine = restOfLine.trim();
      // Construct a JavaPrologue for this
      addJavaPrologueOrEpilogue(functionName,
                                "Buffers.rangeCheck" +
                                (inBytes ? "Bytes" : "") +
                                "({" + argNum + "}, " + restOfLine + ");",
                                true);
    } catch (Exception e) {
      throw new RuntimeException("Error parsing \"RangeCheck" + (inBytes ? "Bytes" : "") + "\" command at line " + lineNo +
        " in file \"" + filename + "\"", e);
    }
  }

  protected static TypeInfo parseTypeInfo(String cType, JavaType javaType) {
    String typeName = null;
    int pointerDepth = 0;
    int idx = 0;
    while (idx < cType.length() &&
           (cType.charAt(idx) != ' ') &&
           (cType.charAt(idx) != '*')) {
      ++idx;
    }
    typeName = cType.substring(0, idx);
    // Count pointer depth
    while (idx < cType.length()) {
      if (cType.charAt(idx) == '*') {
        ++pointerDepth;
      }
      ++idx;
    }
    return new TypeInfo(typeName, pointerDepth, javaType);
  }

  protected void addTypeInfo(TypeInfo info) {
    TypeInfo tmp = typeInfoMap.get(info.name());
    if (tmp == null) {
      typeInfoMap.put(info.name(), info);
      return;
    }
    while (tmp.next() != null) {
      tmp = tmp.next();
    }
    tmp.setNext(info);
  }

  private static int nextIndexAfterType(String s, int idx) {
    int len = s.length();
    while (idx < len) {