/* * 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 imports = new ArrayList(); /** * 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 accessControl = new HashMap(); private Map typeInfoMap = new HashMap(); private Set returnsString = new HashSet(); private Map returnedArrayLengths = new HashMap(); /** * 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> argumentsAreString = new HashMap>(); private Set extendedIntfSymbolsIgnore = new HashSet(); private Set extendedIntfSymbolsOnly = new HashSet(); private Set ignores = new HashSet(); private Map ignoreMap = new HashMap(); private Set ignoreNots = new HashSet(); private Set unignores = new HashSet(); private Set unimplemented = new HashSet(); private boolean forceNioOnly4All = false; private Set nioOnly = new HashSet(); private boolean forceNioDirectOnly4All = false; private Set nioDirectOnly = new HashSet(); private Set manuallyImplement = new HashSet(); private Map> customJavaCode = new HashMap>(); private Map> classJavadoc = new HashMap>(); private Map structPackages = new HashMap(); private List customCCode = new ArrayList(); private List forcedStructs = new ArrayList(); private Map returnValueCapacities = new HashMap(); private Map returnValueLengths = new HashMap(); private Map> temporaryCVariableDeclarations = new HashMap>(); private Map> temporaryCVariableAssignments = new HashMap>(); private Map> extendedInterfaces = new HashMap>(); private Map> implementedInterfaces = new HashMap>(); private Map parentClass = new HashMap(); private Map javaTypeRenames = new HashMap(); private Map javaSymbolRenames = new HashMap(); private Map> javaRenamedSymbols = new HashMap>(); private Map> javaPrologues = new HashMap>(); private Map> javaEpilogues = new HashMap>(); /** 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 "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 ".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 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> entrySet = typedefDictionary.entrySet(); for (Map.Entry 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 char* in C) should be translated as returning a java.lang.String. */ 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 Integers which are the indices of const char* arguments that should be converted to Strings. Returns null if there are no such hints for the given function name. */ public List stringArguments(String functionName) { return argumentsAreString.get(functionName); } public boolean isForceNioOnly4All() { return forceNioOnly4All; } public void addNioOnly(String fname ) { nioOnly.add(fname); } public boolean nioOnly(String functionName) { return forceNioOnly4All || nioOnly.contains(functionName); } public boolean isForceNioDirectOnly4All() { return forceNioDirectOnly4All; } public void addNioDirectOnly(String fname ) { nioDirectOnly.add(fname); } /** Returns true if the given function should only create a java.nio variant, and no array variants, for void* and other C primitive pointers. */ public boolean nioDirectOnly(String functionName) { return forceNioDirectOnly4All || nioDirectOnly.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 customJavaCodeForClass(String className) { List res = customJavaCode.get(className); if (res == null) { res = new ArrayList(); 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 javadocForClass(String className) { List res = classJavadoc.get(className); if (res == null) { res = new ArrayList(); 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 customCCode() { return customCCode; } /** Returns, as a List of Strings, the structs for which glue code emission should be forced. */ public List 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 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 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 extendedInterfaces(String interfaceName) { List res = extendedInterfaces.get(interfaceName); if (res == null) { res = new ArrayList(); 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 implementedInterfaces(String className) { List res = implementedInterfaces.get(className); if (res == null) { res = new ArrayList(); 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 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 aliasedName. */ public Set 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 origNames = javaRenamedSymbols.get(newName); if(null == origNames) { origNames = new HashSet(); 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 javaPrologueForMethod(MethodBinding binding, boolean forImplementingMethodCall, boolean eraseBufferAndArrayTypes) { List 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 javaEpilogueForMethod(MethodBinding binding, boolean forImplementingMethodCall, boolean eraseBufferAndArrayTypes) { List 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__")) { forceNioOnly4All=true; } else { addNioOnly( funcName ); } } else if (cmd.equalsIgnoreCase("NioDirectOnly")) { String funcName = readString("NioDirectOnly", tok, filename, lineNo); if(funcName.equals("__ALL__")) { forceNioDirectOnly4All=true; } else { addNioDirectOnly( 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 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 codeList = javadocForClass(className); codeList.add(code); } /** * When const char* arguments in the C function prototypes are encountered, * the emitter will normally convert them to byte[] * arguments. This directive lets you specify which of those arguments * should be converted to String arguments instead of * byte[] .

* * For example, given the C prototype: * 

   * void FuncName(const char* ugh, int bar, const char *foo, const char* goop);
   *
* * The emitter will normally emit: * 
   * public abstract void FuncName(byte[] ugh, int bar, byte[] foo, byte[] goop);
   *
* * However, if you supplied the following directive: * * 
   * ArgumentIsString FuncName 0 2
   *
* * The emitter will instead emit: * 
   * public abstract void FuncName(String ugh, int bar, String foo, byte[] goop);
   *
* */ protected void readArgumentIsString(StringTokenizer tok, String filename, int lineNo) { try { String methodName = tok.nextToken(); ArrayList argIndices = new ArrayList(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 list = temporaryCVariableDeclarations.get(functionName); if (list == null) { list = new ArrayList(); 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 list = temporaryCVariableAssignments.get(functionName); if (list == null) { list = new ArrayList(); 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 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 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> codes = (prologue ? javaPrologues : javaEpilogues); List data = codes.get(methodName); if (data == null) { data = new ArrayList(); 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) { char c = s.charAt(idx); if (Character.isJavaIdentifierStart(c) || Character.isJavaIdentifierPart(c) || (c == '/')) { idx++; } else if (c == ';') { return (idx + 1); } else { return -1; } } return -1; } private static int nextIndexAfterDescriptor(String s, int idx) { char c = s.charAt(idx); switch (c) { case 'B': case 'C': case 'D': case 'F': case 'I': case 'J': case 'S': case 'Z': case 'V': return (1 + idx); case 'L': return nextIndexAfterType(s, idx + 1); case ')': return idx; default: break; } return -1; } protected static boolean startsWithDescriptor(String s) { // Try to see whether the String s starts with a valid Java // descriptor. int idx = 0; int len = s.length(); while ((idx < len) && s.charAt(idx) == ' ') { ++idx; } if (idx >= len) return false; if (s.charAt(idx++) != '(') return false; while (idx < len) { int nextIdx = nextIndexAfterDescriptor(s, idx); if (nextIdx < 0) { return false; } if (nextIdx == idx) { // ')' break; } idx = nextIdx; } int nextIdx = nextIndexAfterDescriptor(s, idx + 1); if (nextIdx < 0) { return false; } return true; } }