index : jogl.git	1.x-maint 2.1-maint BLACKBIRD JOGL_2_SANDBOX JSR-231 MIPS_PORT Sun_Microsystem b01 b202_gl44 b22x bug1294 bug1398 egl-gbm glctx_deadlock ios java11 javafx jogl-1-1-temp-branch master merging new_gl_headers pulled rc rc_five tegra-graph-shader_dosplit_dodiscard-freeze tegra-graph-shader_dosplit_nodiscard-ok tegra-graph-shader_nosplit_dodiscard_original-freeze tegra-graph-shader_nosplit_nodiscard-errorP1202 travis v2.0-rc2-maintenance v2.3.1_winexe x11_xinitthreads xcb-test
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/*
 * Copyright (c) 2010-2023 JogAmp Community. All rights reserved.
 * 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 com.jogamp.gluegen;

import com.jogamp.gluegen.ASTLocusTag.ASTLocusTagProvider;
import com.jogamp.gluegen.JavaEmitter.EmissionStyle;
import com.jogamp.gluegen.JavaEmitter.MethodAccess;
import com.jogamp.gluegen.Logging.LoggerIf;

import java.io.*;
import java.lang.reflect.Array;
import java.util.*;
import java.util.regex.*;

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

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 {
    private int nestedReads;
    private String libraryOnLoadName;
    private String packageName;
    private String implPackageName;
    private String className;
    private String implClassName;

    protected final LoggerIf LOG;

    public static String NEWLINE = System.getProperty("line.separator");

    /**
     * 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;

    /**
     * If true, {@link TypeConfig.SemanticEqualityOp#equalSemantics(TypeConfig.SemanticEqualityOp)}
     * will attempt to perform a relaxed semantic equality test, e.g. skip the {@code const} and {@code volatile} qualifiers.
     * Otherwise a full semantic equality test will be performed.
     */
    private boolean relaxedEqualSemanticsTest;

    /**
     * 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 final 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 final Map<String, MethodAccess> accessControl = new HashMap<String, MethodAccess>();
    private final Map<String, TypeInfo> typeInfoMap = new HashMap<String, TypeInfo>();
    private final Set<String> returnsString = new HashSet<String>();
    private final Set<String> returnsStringOnly = new HashSet<String>();
    private final Map<String, JavaType> returnsOpaqueJType = new HashMap<String, JavaType>();
    private final Map<String, String> returnedArrayLengths = new HashMap<String, String>();
    private final Set<String> maxOneElement = new HashSet<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 final Map<String, List<Integer>> argumentsAreString = new HashMap<String, List<Integer>>();

    /** JavaCallback configuration definition (static) */
    public static class JavaCallbackDef {
      final String cbFuncTypeName;
      final int cbFuncUserParamIdx;
      final String setFuncName;
      final List<Integer> setFuncKeyIndices = new ArrayList<Integer>();
      final String setFuncKeyClassName; // optional
      JavaCallbackDef(final String cbFuncTypeName, final int cbFuncUserParamIdx, final String setFuncName, final String setFuncKeyClassName) {
          this.cbFuncTypeName = cbFuncTypeName;
          this.cbFuncUserParamIdx = cbFuncUserParamIdx;
          this.setFuncName = setFuncName;
          this.setFuncKeyClassName = setFuncKeyClassName;
      }
      @Override
      public String toString() {
          return String.format("JavaCallbackDef[cbFunc[type %s, userParamIdx %d], set[%s, keys %s, KeyClass %s]]",
                  cbFuncTypeName, cbFuncUserParamIdx, setFuncName, setFuncKeyIndices.toString(), setFuncKeyClassName);
      }
    }
    private final List<JavaCallbackDef> javaCallbackList = new ArrayList<JavaCallbackDef>();
    private final Map<String, JavaCallbackDef> javaCallbackSetFuncToDef = new HashMap<String, JavaCallbackDef>();

    private final Set<String> extendedIntfSymbolsIgnore = new HashSet<String>();
    private final Set<String> extendedIntfSymbolsOnly = new HashSet<String>();
    private final Set<String> extendedImplSymbolsIgnore = new HashSet<String>();
    private final Set<String> extendedImplSymbolsOnly = new HashSet<String>();
    private final Set<Pattern> ignores = new HashSet<Pattern>();
    private final Map<String, Pattern> ignoreMap = new HashMap<String, Pattern>();
    private final Set<Pattern> ignoreNots = new HashSet<Pattern>();
    private final Set<Pattern> unignores = new HashSet<Pattern>();
    private final Set<Pattern> unimplemented = new HashSet<Pattern>();
    private boolean forceUseNIOOnly4All = false;
    private final Set<String> useNIOOnly = new HashSet<String>();
    private boolean forceUseNIODirectOnly4All = false;
    private final Set<String> useNIODirectOnly = new HashSet<String>();
    private final Set<String> immutableAccessSymbols = new HashSet<String>();
    private final Set<String> manuallyImplement = new HashSet<String>();
    private final Map<String, String> delegatedImplementation = new HashMap<String, String>();
    private final Map<String, List<String>> customJavaCode = new HashMap<String, List<String>>();
    private final Map<String, List<String>> customJNICode = new HashMap<String, List<String>>();
    private final Map<String, List<String>> classJavadoc = new HashMap<String, List<String>>();
    private final Map<String, List<String>> methodJavadoc = new HashMap<String, List<String>>();
    private final Map<String, String> structPackages = new HashMap<String, String>();
    private final List<String> customCCode = new ArrayList<String>();
    private final List<String> forcedStructs = new ArrayList<String>();
    private final Map<String, String> structMachineDataInfoIndex = new HashMap<String, String>();
    private final Map<String, String> returnValueCapacities = new HashMap<String, String>();
    private final Map<String, String> returnValueLengths = new HashMap<String, String>();
    private final Map<String, List<String>> temporaryCVariableDeclarations = new HashMap<String, List<String>>();
    private final Map<String, List<String>> temporaryCVariableAssignments = new HashMap<String, List<String>>();
    private final Map<String, List<String>> extendedInterfaces = new HashMap<String, List<String>>();
    private final Map<String, List<String>> implementedInterfaces = new HashMap<String, List<String>>();
    private final Map<String, String> parentClass = new HashMap<String, String>();
    private final Map<String, String> javaTypeRenames = new HashMap<String, String>();
    private final Map<String, String> javaSymbolRenames = new HashMap<String, String>();
    private final Map<String, Set<String>> javaRenamedSymbols = new HashMap<String, Set<String>>();
    private final Map<String, List<String>> javaPrologues = new HashMap<String, List<String>>();
    private final Map<String, List<String>> javaEpilogues = new HashMap<String, List<String>>();

    public JavaConfiguration() {
        LOG = Logging.getLogger(JavaConfiguration.class.getPackage().getName(), JavaConfiguration.class.getSimpleName());
    }

  /** Reads the configuration file.
      @param filename path to file that should be read
  */
  public final void read(final 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(final String filename, final String linePrefix) throws IOException {
    final File file = new File(filename);
    BufferedReader reader = null;
    try {
      reader = new BufferedReader(new FileReader(file));
    }
    catch (final FileNotFoundException fnfe) {
      throw new RuntimeException("Could not read file \"" + file + "\"", fnfe);
    }
    int lineNo = 0;
    String line = null;
    final 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;
        }

        final StringTokenizer tok = new StringTokenizer(line);
        if (tok.hasMoreTokens()) {
          // always reset delimiters in case of CustomJavaCode, etc.
          final 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(final String s) { outputRootDir=s; }

    /** Returns the library basename used to {@link CCodeUnit#emitJNIOnLoadJNIEnvCode(String)}. */
    public String libraryOnLoadName() {
        return libraryOnLoadName;
    }

    /** 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 whether {@link TypeConfig.SemanticEqualityOp#equalSemantics(TypeConfig.SemanticEqualityOp)}
     * shall attempt to perform a relaxed semantic equality test, e.g. skip the {@code const} and {@code volatile} qualifier
     * - or not.
     */
    public boolean relaxedEqualSemanticsTest() {
        return relaxedEqualSemanticsTest;
    }

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

    /**
     * Returns the access control for the given method-name
     * or fully qualified class-name.
     */
    public MethodAccess accessControl(final String name) {
        final MethodAccess ret = accessControl.get(name);
        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 the given {@code canonicalName} should be considered opaque,
   * returns the TypeInfo describing the replacement type.
   * <p>
   * Returns null if this type should not be considered opaque.
   * </p>
   * <p>
   * If symbol references a struct fields, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   */
  public TypeInfo canonicalNameOpaque(final String canonicalName) {
    return typeInfoMap.get(canonicalName);
  }

  /** 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) {
    // 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 + ", " + type.getDebugString());
    final int pointerDepth = type.pointerDepth();
    for (int i = 0; i <= pointerDepth; i++) {
      String name = type.getName();
      if (DEBUG_TYPE_INFO) {
        System.err.printf(" [%2d] Name = %s%n", i, name);
        System.err.printf(" [%2d] Type = %s, pointerDepth %d, %s%n", i, type, type.pointerDepth(), type.getDebugString());
      }
      if (name != null) {
        final TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
        if (info != null) {
          final TypeInfo res = promoteTypeInfo(info, i);
          if (DEBUG_TYPE_INFO) {
            System.err.printf(" [A][%2d] name %s%n", i, name);
            System.err.printf(" [A][%2d] info %s%n", i, info.toString());
            System.err.printf(" [A][%2d] res  %s%n", i, res.toString());
          }
          return res;
        }
      }

      if (type.isCompound()) {
        // Try struct name as well
        name = type.asCompound().getStructName();
        if (name != null) {
          final TypeInfo info = closestTypeInfo(name, i + type.pointerDepth());
          if (info != null) {
            final TypeInfo res = promoteTypeInfo(info, i);
            if (DEBUG_TYPE_INFO) {
              System.err.printf(" [A][%2d] name %s%n", i, name);
              System.err.printf(" [A][%2d] info %s%n", i, info.toString());
              System.err.printf(" [A][%2d] res  %s%n", i, res.toString());
            }
            return res;
          }
        }
      }

      if (type.isPointer()) {
        type = type.asPointer().getTargetType();
      }
    }
    if (DEBUG_TYPE_INFO) {
      System.err.println(" [X] NULL");
    }
    return null;
  }

  // Helper functions for above
  private TypeInfo closestTypeInfo(final String name, final 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(final TypeInfo info, final int numPointersStripped) {
    final int pd = info.pointerDepth();
    int diff = numPointersStripped - pd;
    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();

    // 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(), 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(final String functionName) {
    return returnsString.contains(functionName);
  }
  /** 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(final AliasedSymbol symbol) {
      return returnsString.contains( symbol.getName() ) ||
             oneInSet(returnsString, symbol.getAliasedNames());
  }

  /** Indicates whether the given function (which returns a
      <code>char*</code> in C) should be translated as returning a
      <code>java.lang.String</code> only. Excluding other variants for struct field access. */
  public boolean returnsStringOnly(final String functionName) {
    return returnsStringOnly.contains(functionName);
  }

  /** Returns the list of all configured JavaCallback definitions. */
  public List<JavaCallbackDef> getJavaCallbackList() {
    return javaCallbackList;
  }

  /** Returns the configured JavaCallback definition mapped to the JavaCallback-Set-Function name. */
  public JavaCallbackDef javaCallbackSetFuncToDef(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      JavaCallbackDef res = javaCallbackSetFuncToDef.get(name);
      if( null == res ) {
          res = oneInMap(javaCallbackSetFuncToDef, aliases);
      }
      return res;
  }

  /**
   * Returns a MessageFormat string of the Java expression calculating
   * the number of elements in the returned array from the specified function
   * name or struct-field array-size. The literal <code>1</code> indicates a constant single object.
   * <p>
   * If symbol references a struct fields, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   * <p>
   * In case of struct fields, this array length will also be used
   * for the native C function, i.e. multiplied w/ <code>sizeof(C-Type)</code>
   * and passed down to native code, <b>if</b> not overriden by
   * either {@link #returnValueCapacity(String)} or {@link #returnValueLength(String)}!
   * </p>
   */
  public String returnedArrayLength(final String symbol) {
    return returnedArrayLengths.get(symbol);
  }

  /**
   * Indicates whether the given symbol covers no or one single object.
   * This is useful for struct-field pointer, indicating a null value
   * holding no object or at most referincing memory for one single object.
   */
  public boolean maxOneElement(final String symbol) {
    return maxOneElement.contains(symbol);
  }

  /** 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(final String functionName) {
    return argumentsAreString.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 alias symbol. */
  public List<Integer> stringArguments(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      List<Integer> res = argumentsAreString.get(name);
      if( null == res ) {
          res = oneInMap(argumentsAreString, aliases);
          if( null == res ) {
              return null;
          }
      }
      LOG.log(INFO, getASTLocusTag(symbol), "ArgumentsAreString: {0} -> {1}", symbol, res);
      return res;
  }

  public boolean isForceUsingNIOOnly4All() { return forceUseNIOOnly4All; }

  public void addUseNIOOnly(final 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(final String functionName) {
    return useNIODirectOnly(functionName) || forceUseNIOOnly4All || useNIOOnly.contains(functionName);
  }

  public void addUseNIODirectOnly(final 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(final String functionName) {
    return forceUseNIODirectOnly4All || useNIODirectOnly.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(final 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 user-implemented JNI 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> customJNICodeForClass(final String className) {
    List<String> res = customJNICode.get(className);
    if (res == null) {
      res = new ArrayList<String>();
      customJNICode.put(className, res);
    }
    return res;
  }

  public List<String> javadocForMethod(final String methodName) {
    List<String> res = methodJavadoc.get(methodName);
    if (res == null) {
      res = new ArrayList<String>();
      methodJavadoc.put(methodName, 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(final 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(final 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 Java code defining {@code mdIdx},
   * i.e. the index of the static MachineDescriptor index for structs.
   * <p>
   * If undefined, code generation uses the default expression:
   * <pre>
   *     private static final int mdIdx = MachineDataInfoRuntime.getStatic().ordinal();
   * </pre>
   * </p>
   */
  public String returnStructMachineDataInfoIndex(final String structName) {
    return structMachineDataInfoIndex.get(structName);
  }

  /**
   * 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.
   * <p>
   * If symbol references a struct fields, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   */
  public String returnValueCapacity(final 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.
   * <p>
   * If symbol references a struct fields, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   */
  public String returnValueLength(final String symbol) {
    return returnValueLengths.get(symbol);
  }

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

  public void logIgnoresOnce() {
    if(!loggedIgnores) {
        loggedIgnores = true;
        logIgnores();
    }
  }
  private static boolean loggedIgnores = false;

  public void logIgnores() {
    LOG.log(INFO, "Extended Intf: {0}", extendedIntfSymbolsIgnore.size());
    for (final String str : extendedIntfSymbolsIgnore) {
        LOG.log(INFO, "\t{0}", str);
    }
    LOG.log(INFO, "Extended Impl: {0}", extendedImplSymbolsIgnore.size());
    for (final String str : extendedImplSymbolsIgnore) {
        LOG.log(INFO, "\t{0}", str);
    }
    LOG.log(INFO, "Ignores (All): {0}", ignores.size());
    for (final Pattern pattern : ignores) {
        LOG.log(INFO, "\t{0}", pattern);
    }
  }

  public void logRenamesOnce() {
    if(!loggedRenames) {
        loggedRenames = true;
        logRenames();
    }
  }
  private static boolean loggedRenames = false;

  public void logRenames() {
    LOG.log(INFO, "Symbol Renames: {0}", javaSymbolRenames.size());
    for (final String key : javaSymbolRenames.keySet()) {
        LOG.log(INFO, "\t{0} -> {1}", key, javaSymbolRenames.get(key));
    }

    LOG.log(INFO, "Symbol Aliasing (through renaming): {0}", javaSymbolRenames.size());
    for(final String newName : javaSymbolRenames.values()) {
        final Set<String> origNames = javaRenamedSymbols.get(newName);
        if(null!=origNames) {
            LOG.log(INFO, "\t{0} <- {1}", newName, origNames);
        }
    }
  }

  public static <K,V> V oneInMap(final Map<K, V> map, final Set<K> symbols) {
      if( null != map && map.size() > 0 &&
          null != symbols && symbols.size() > 0 ) {
          for(final K sym : symbols) {
              final V v = map.get(sym);
              if( null != v ) {
                  return v;
              }
          }
      }
      return null;
  }
  public static <K> boolean oneInSet(final Set<K> set1, final Set<K> set2) {
      if( null != set1 && set1.size() > 0 &&
          null != set2 && set2.size() > 0 ) {
          for(final K sym : set2) {
              if( set1.contains( sym ) ) {
                  return true;
              }
          }
      }
      return false;
  }
  private static boolean onePatternMatch(final Pattern ignoreRegexp, final Set<String> set) {
      if( null != ignoreRegexp && null != set && set.size() > 0 ) {
          for(final String sym : set) {
              final Matcher matcher = ignoreRegexp.matcher(sym);
              if (matcher.matches()) {
                  return true;
              }
          }
      }
      return false;
  }
  protected static ASTLocusTag getASTLocusTag(final AliasedSymbol s) {
      if( s instanceof ASTLocusTagProvider ) {
          return ((ASTLocusTagProvider)s).getASTLocusTag();
      } else {
          return null;
      }
  }

  /**
   * Returns the canonical configuration name for a struct field name,
   * i.e. 'struct-name'.'field-name'
   */
  public static String canonicalStructFieldSymbol(final String structName, final String fieldName) {
      return structName+"."+fieldName;
  }

  /**
   * Returns true if the glue code for the given aliased symbol
   * shall produce code for immutable access only.
   * <p>
   * This is implemented for whole struct-type symbols or struct-field names,
   * where no setter methods will be produced if marked immutable.
   * </p>
   */
  public final boolean immutableAccess(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      if ( immutableAccessSymbols.contains( name ) ||
           oneInSet(immutableAccessSymbols, aliases)
         )
      {
          LOG.log(INFO, getASTLocusTag(symbol), "Immutable access: {0}", symbol);
          return true;
      }
      return false;
  }
  /**
   * Returns true if the glue code for the given symbol
   * shall produce code for immutable access only.
   * <p>
   * This is implemented for whole struct-type symbols or struct-field names,
   * where no setter methods will be produced if marked immutable.
   * </p>
   */
  public final boolean immutableAccess(final String symbol) {
      if ( immutableAccessSymbols.contains( symbol ) ) {
          LOG.log(INFO, "Immutable access: {0}", symbol);
          return true;
      }
      return false;
  }

  /**
   * Variant of {@link #manuallyImplement(AliasedSymbol)},
   * where this method only considers the {@link AliasedSymbol#getName() current-name}
   * of the given symbol, not the {@link #getJavaSymbolRename(String) renamed-symbol}.
   */
  public boolean manuallyImplement(final String functionName) {
      if( manuallyImplement.contains(functionName) ) {
          LOG.log(INFO, "ManuallyImplement: \"{0}\"", functionName);
          return true;
      } else {
          return false;
      }
  }

  /**
   * Returns true if the glue code for the given aliased function will be
   * manually implemented by the end user.
   * <p>
   * Both, the {@link AliasedSymbol#getName() current-name}
   * and all {@link AliasedSymbol#getAliasedNames() aliases} shall be considered.
   * </p>
   * <p>
   * If symbol references a struct field or method, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   * @see #manuallyImplement(String)
   */
  public boolean manuallyImplement(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      if ( manuallyImplement.contains( name ) ||
           oneInSet(manuallyImplement, aliases)
         )
      {
          LOG.log(INFO, getASTLocusTag(symbol), "ManuallyImplement: {0}", symbol);
          return true;
      } else {
          return false;
      }
  }

  /**
   * Variant of {@link #getDelegatedImplementation(AliasedSymbol)},
   * where this method only considers the {@link AliasedSymbol#getName() current-name}
   * of the given symbol, not the {@link #getJavaSymbolRename(String) renamed-symbol}.
   */
  public String getDelegatedImplementation(final String functionName) {
      final String res = delegatedImplementation.get(functionName);
      if( null == res ) {
          return null;
      }
      LOG.log(INFO, "DelegatedImplementation: {0} -> {1}", functionName, res);
      return res;
  }

  /**
   * Returns the {@code RENAMED-IMPL-SYMBOL} if the implementation of the glue code
   * of the given function shall be manually delegated by the end user.
   * <p>
   * {@code DelegateImplementation <ORIG-SYMBOL> <RENAMED-IMPL-SYMBOL>}
   * </p>
   * <p>
   * The interface is emitted unchanged.
   * </p>
   * <p>
   * The Java and native-code implementation is renamed to {@code RENAMED-IMPL-SYMBOL}.
   * The user's manual implementation of {@code ORIG-SYMBOL}
   * may delegate to {@code RENAMED-IMPL-SYMBOL}.
   * </p>
   * <p>
   * If symbol references a struct field or method, see {@link #canonicalStructFieldSymbol(String, String)},
   * it describes field's array-length or element-count referenced by a pointer.
   * </p>
   */
  public String getDelegatedImplementation(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      String res = delegatedImplementation.get(name);
      if( null == res ) {
          res = oneInMap(delegatedImplementation, aliases);
          if( null == res ) {
              return null;
          }
      }
      LOG.log(INFO, getASTLocusTag(symbol), "DelegatedImplementation: {0} -> {1}", symbol, res);
      return res;
  }

  /**
   * Variant of {@link #getOpaqueReturnType(AliasedSymbol)},
   * where this method only considers the {@link AliasedSymbol#getName() current-name}
   * of the given symbol, not the {@link #getJavaSymbolRename(String) renamed-symbol}.
   */
  public JavaType getOpaqueReturnType(final String functionName) {
      final JavaType res = returnsOpaqueJType.get(functionName);
      if( null == res ) {
          return null;
      }
      LOG.log(INFO, "ReturnsOpaque: {0} -> {1}", functionName, res);
      return res;
  }

  /**
   * Returns the opaque {@link JavaType} for the given function {@link AliasedSymbol}
   * or {@code null} if not opaque.
   * <p>
   * {@code ReturnsOpaque <Primitive Java Type> <Function Name>}
   * </p>
   */
  public JavaType getOpaqueReturnType(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();
      JavaType res = returnsOpaqueJType.get(name);
      if( null == res ) {
          res = oneInMap(returnsOpaqueJType, aliases);
          if( null == res ) {
              return null;
          }
      }
      LOG.log(INFO, getASTLocusTag(symbol), "ReturnsOpaque: {0} -> {1}", symbol, res);
      return res;
  }

  /**
   * Variant of {@link #shouldIgnoreInInterface(AliasedSymbol)},
   * where this method only considers the {@link AliasedSymbol#getName() current-name}
   * of the given symbol, not the {@link #getJavaSymbolRename(String) renamed-symbol}.
   */
  public final boolean shouldIgnoreInInterface(final String symbol) {
      return shouldIgnoreInInterface( new AliasedSymbol.NoneAliasedSymbol(symbol) );
  }
  /**
   * Returns true if this aliased symbol should be ignored
   * during glue code generation of interfaces and implementation.
   * <p>
   * Both, the {@link AliasedSymbol#getName() current-name}
   * and all {@link AliasedSymbol#getAliasedNames() aliases} shall be considered.
   * </p>
   * <p>
   * Implementation calls {@link #shouldIgnoreInInterface_Int(AliasedSymbol)}
   * and overriding implementations shall ensure its being called as well!
   * </p>
   * @param symbol the symbolic aliased name to check for exclusion
   */
  public boolean shouldIgnoreInInterface(final AliasedSymbol symbol) {
      return shouldIgnoreInInterface_Int(symbol);
  }

  protected final boolean shouldIgnoreInInterface_Int(final AliasedSymbol symbol) {
      if( GlueGen.debug() ) {
          logIgnoresOnce();
      }
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      // Simple case-1; the symbol (orig or renamed) is in the interface ignore table
      if ( extendedIntfSymbolsIgnore.contains( name ) ||
           oneInSet(extendedIntfSymbolsIgnore, aliases)
         )
      {
          LOG.log(INFO, getASTLocusTag(symbol), "Ignore Intf ignore (one): {0}", symbol);
          return true;
      }
      // Simple case-2; the entire symbol (orig and renamed) is _not_ in the not-empty interface only table
      if ( !extendedIntfSymbolsOnly.isEmpty() &&
           !extendedIntfSymbolsOnly.contains( name ) &&
           !oneInSet(extendedIntfSymbolsOnly, aliases) ) {
          LOG.log(INFO, getASTLocusTag(symbol), "Ignore Intf !extended (all): {0}", symbol);
          return true;
      }
      return shouldIgnoreInImpl_Int(symbol);
  }

  /**
   * Returns true if this aliased symbol should be ignored
   * during glue code generation of implementation only.
   * <p>
   * Both, the {@link AliasedSymbol#getName() current-name}
   * and all {@link AliasedSymbol#getAliasedNames() aliases} shall be considered.
   * </p>
   * <p>
   * Implementation calls {@link #shouldIgnoreInImpl_Int(AliasedSymbol)}
   * and overriding implementations shall ensure its being called as well!
   * </p>
   * @param symbol the symbolic aliased name to check for exclusion
   */
  public boolean shouldIgnoreInImpl(final AliasedSymbol symbol) {
    return shouldIgnoreInImpl_Int(symbol);
  }

  protected final boolean shouldIgnoreInImpl_Int(final AliasedSymbol symbol) {
      final String name = symbol.getName();
      final Set<String> aliases = symbol.getAliasedNames();

      // Simple case-1; the symbol (orig or renamed) is in the interface ignore table
      if ( extendedImplSymbolsIgnore.contains( name ) ||
           oneInSet(extendedImplSymbolsIgnore, aliases)
         )
      {
          LOG.log(INFO, getASTLocusTag(symbol), "Ignore Impl ignore (one): {0}", symbol);
          return true;
      }
      // Simple case-2; the entire symbol (orig and renamed) is _not_ in the not-empty interface only table
      if ( !extendedImplSymbolsOnly.isEmpty() &&
           !extendedImplSymbolsOnly.contains( name ) &&
           !oneInSet(extendedImplSymbolsOnly, aliases) ) {
          LOG.log(INFO, getASTLocusTag(symbol), "Ignore Impl !extended (all): {0}", 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 (final Pattern ignoreRegexp : ignores) {
          final Matcher matcher = ignoreRegexp.matcher(name);
          if ( matcher.matches() || onePatternMatch(ignoreRegexp, aliases) ) {
              LOG.log(INFO, getASTLocusTag(symbol), "Ignore Impl RegEx: {0}", 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 (final Pattern ignoreNotRegexp : ignoreNots) {
              final Matcher matcher = ignoreNotRegexp.matcher(name);
              if ( !matcher.matches() && !onePatternMatch(ignoreNotRegexp, aliases) ) {
                  // Special case as this is most often likely to be the case.
                  // Unignores are not used very often.
                  if(unignores.isEmpty()) {
                      LOG.log(INFO, getASTLocusTag(symbol), "Ignore Impl unignores==0: {0} -> {1}", symbol, name);
                      return true;
                  }
                  boolean unignoreFound = false;
                  for (final Pattern unignoreRegexp : unignores) {
                      final Matcher unignoreMatcher = unignoreRegexp.matcher(name);
                      if ( unignoreMatcher.matches() || onePatternMatch(unignoreRegexp, aliases) ) {
                          unignoreFound = true;
                          break;
                      }
                  }

                  if (!unignoreFound) {
                      LOG.log(INFO, getASTLocusTag(symbol), "Ignore Impl !unignore: {0} -> {1}", symbol, name);
                      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(final AliasedSymbol symbol) {
      // Ok, the slow case. We need to check the entire table, in case the table
      // contains an regular expression that matches the symbol.
      for (final Pattern unimplRegexp : unimplemented) {
          final Matcher matcher = unimplRegexp.matcher(symbol.getName());
          if ( matcher.matches() || onePatternMatch(unimplRegexp, symbol.getAliasedNames()) ) {
              return true;
          }
      }
      return false;
  }


  /**
   * Return a set of aliased-name for comment in docs.
   * <p>
   * This is usually {@link AliasedSymbol#addAliasedName(String)},
   * however an implementation may choose otherwise.
   * </p>
   * @param symbol the aliased symbol to retrieve the aliases
   * @return set of aliased-names or {@code null}.
   */
  public Set<String> getAliasedDocNames(final AliasedSymbol symbol) {
      return symbol.getAliasedNames();
  }

  /** 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(final String javaTypeName) {
    final 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(final String origName) {
    if( LOG.isLoggable(INFO) ) {
        logRenamesOnce();
    }
    return javaSymbolRenames.get(origName);
  }

  /** Returns a set of replaced names to the given <code>aliasedName</code>. */
  public Set<String> getRenamedJavaSymbols(final String aliasedName) {
    return javaRenamedSymbols.get(aliasedName);
  }

  /** Programmatically adds a rename directive for the given symbol. */
  public void addJavaSymbolRename(final String origName, final String newName) {
    LOG.log(INFO, "\tRename {0} -> {1}", origName, newName);
    final 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!");
    }
    Set<String> origNames = javaRenamedSymbols.get(newName);
    if(null == origNames) {
        origNames = new HashSet<String>();
        javaRenamedSymbols.put(newName, origNames);
    }
    origNames.add(origName);
  }

  /** Programmatically adds a delegate implementation directive for the given symbol. */
  public void addDelegateImplementation(final String origName, final String renamedImpl) {
    LOG.log(INFO, "\tDelegateImplementation {0} -> {1}", origName, renamedImpl);
    final String prevValue = delegatedImplementation.put(origName, renamedImpl);
    if(null != prevValue && !prevValue.equals(renamedImpl)) {
        throw new RuntimeException("Rename-Override Attampt: "+origName+" -> "+renamedImpl+
                                   ", but "+origName+" -> "+prevValue+" already exist. Run in 'debug' mode to analyze!");
    }
  }

  /** 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(final MethodBinding binding,
                                                final boolean forImplementingMethodCall,