diff options
Diffstat (limited to 'src/java/com/sun/gluegen')
| -rw-r--r-- | src/java/com/sun/gluegen/JavaEmitter.java | 154 |
1 files changed, 85 insertions, 69 deletions
diff --git a/src/java/com/sun/gluegen/JavaEmitter.java b/src/java/com/sun/gluegen/JavaEmitter.java index 599503c..5a64ef6 100644 --- a/src/java/com/sun/gluegen/JavaEmitter.java +++ b/src/java/com/sun/gluegen/JavaEmitter.java @@ -1,21 +1,21 @@ /* * 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 @@ -28,11 +28,11 @@ * 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. */ @@ -87,7 +87,7 @@ public class JavaEmitter implements GlueEmitter { private PrintWriter cWriter; private MachineDescription machDesc32; private MachineDescription machDesc64; - + public void readConfigurationFile(String filename) throws Exception { cfg = createConfig(); cfg.read(filename); @@ -140,7 +140,7 @@ public class JavaEmitter implements GlueEmitter { throw new RuntimeException( "Unable to open files for writing", e); } - + emitAllFileHeaders(); // Request emission of any structs requested @@ -175,7 +175,7 @@ public class JavaEmitter implements GlueEmitter { // specifier character in the string. // //char lastChar = value.charAt(value.length()-1); - + try { // see if it's a long or int int radix; @@ -189,7 +189,7 @@ public class JavaEmitter implements GlueEmitter { } else if (value.startsWith("0") && value.length() > 1) { // TODO: is "0" the prefix in C to indicate octal??? - radix = 8; + radix = 8; parseValue = value.substring(1); } else { @@ -199,12 +199,12 @@ public class JavaEmitter implements GlueEmitter { //System.err.println("parsing " + value + " as long w/ radix " + radix); long longVal = Long.parseLong(parseValue, radix); return radix; - } catch (NumberFormatException e) { + } catch (NumberFormatException e) { try { // see if it's a double or float double dVal = Double.parseDouble(value); return 10; - } catch (NumberFormatException e2) { + } catch (NumberFormatException e2) { throw new RuntimeException( "Cannot emit define \""+name+"\": value \""+value+ "\" cannot be assigned to a int, long, float, or double", e2); @@ -344,7 +344,7 @@ public class JavaEmitter implements GlueEmitter { // order. It's probably not an issue right now because the emitter // currently only emits only numeric defines -- if it handled #define'd // objects it would make a bigger difference. - + String name = def.getName(); String value = def.getValue(); if (!cfg.shouldIgnoreInInterface(name)) { @@ -383,7 +383,7 @@ public class JavaEmitter implements GlueEmitter { // // Note: this code assumes that on the equals() method in FunctionSymbol // only considers function name and argument types (i.e., it does not - // consider argument *names*) when comparing FunctionSymbols for equality + // consider argument *names*) when comparing FunctionSymbols for equality Set funcsToBindSet = new HashSet(100); for (Iterator cIter = originalCFunctions.iterator(); cIter.hasNext(); ) { FunctionSymbol cFunc = (FunctionSymbol) cIter.next(); @@ -418,14 +418,14 @@ public class JavaEmitter implements GlueEmitter { if (cfg.shouldIgnoreInImpl(cFunc.getName())) { continue; // don't generate bindings for this symbol } - + List allBindings = generateMethodBindingEmitters(methodBindingSet, cFunc); methodBindingEmitters.addAll(allBindings); } // Emit all the methods for (int i = 0; i < methodBindingEmitters.size(); ++i) { - FunctionEmitter emitter = (FunctionEmitter)methodBindingEmitters.get(i); + FunctionEmitter emitter = (FunctionEmitter)methodBindingEmitters.get(i); try { if (!emitter.isInterface() || !cfg.shouldIgnoreInInterface(emitter.getName())) { emitter.emit(); @@ -624,8 +624,8 @@ public class JavaEmitter implements GlueEmitter { !binding.signatureUsesJavaPrimitiveArrays()) { // See whether we need an expression to help calculate the // length of any return type - MessageFormat returnValueCapacityFormat = null; - MessageFormat returnValueLengthFormat = null; + MessageFormat returnValueCapacityFormat = null; + MessageFormat returnValueLengthFormat = null; JavaType javaReturnType = binding.getJavaReturnType(); if (javaReturnType.isNIOBuffer() || javaReturnType.isCompoundTypeWrapper()) { @@ -714,15 +714,15 @@ public class JavaEmitter implements GlueEmitter { // JavaTypes representing C pointers in the initial // MethodBinding have not been lowered yet to concrete types List bindings = expandMethodBinding(mb); - + for (Iterator iter = bindings.iterator(); iter.hasNext(); ) { - MethodBinding binding = (MethodBinding) iter.next(); + MethodBinding binding = (MethodBinding) iter.next(); if(!methodBindingSet.add(binding)) { // skip .. already exisiting binding .. continue; } - + if (cfg.allStatic() && binding.hasContainingType()) { // This should not currently happen since structs are emitted using a different mechanism throw new IllegalArgumentException("Cannot create binding in AllStatic mode because method has containing type: \"" + @@ -790,7 +790,7 @@ public class JavaEmitter implements GlueEmitter { return allEmitters; } - + public void endFunctions() throws Exception { if (cfg.allStatic() || cfg.emitInterface()) { @@ -924,7 +924,7 @@ public class JavaEmitter implements GlueEmitter { throw new RuntimeException( "Unable to open files for emission of struct class", e); } - + writer.println(); writer.println("package " + structClassPkg + ";"); writer.println(); @@ -938,11 +938,11 @@ public class JavaEmitter implements GlueEmitter { writer.print(iter.next()); writer.println(";"); } + writer.println(); List/*<String>*/ javadoc = cfg.javadocForClass(containingTypeName); for (Iterator iter = javadoc.iterator(); iter.hasNext(); ) { writer.println((String) iter.next()); } - writer.println(); writer.print((doBaseClass ? "public " : "") + (doBaseClass ? "abstract " : "") + "class " + containingTypeName + suffix + " "); if (!doBaseClass) { writer.print("extends " + containingTypeName + " "); @@ -958,6 +958,7 @@ public class JavaEmitter implements GlueEmitter { writer.print(" "); } writer.println("{"); + writer.println(); if (doBaseClass) { writer.println(" StructAccessor accessor;"); writer.println(); @@ -1001,15 +1002,22 @@ public class JavaEmitter implements GlueEmitter { writer.println(); } for (int i = 0; i < structType.getNumFields(); i++) { + Field field = structType.getField(i); Type fieldType = field.getType(); + if (!cfg.shouldIgnoreInInterface(name + " " + field.getName())) { + + String renamed = cfg.getJavaSymbolRename(field.getName()); + String fieldName = renamed==null ? field.getName() : renamed; + if (fieldType.isFunctionPointer()) { + if (doBaseClass) { try { // Emit method call and associated native code FunctionType funcType = fieldType.asPointer().getTargetType().asFunction(); - FunctionSymbol funcSym = new FunctionSymbol(field.getName(), funcType); + FunctionSymbol funcSym = new FunctionSymbol(fieldName, funcType); MethodBinding binding = bindFunction(funcSym, containingType, containingCType, machDesc64); binding.findThisPointer(); // FIXME: need to provide option to disable this on per-function basis writer.println(); @@ -1078,9 +1086,9 @@ public class JavaEmitter implements GlueEmitter { throw new RuntimeException("Anonymous structs as fields not supported yet (field \"" + field + "\" in type \"" + name + "\")"); } - + writer.println(); - writer.print(" public " + (doBaseClass ? "abstract " : "") + fieldType.getName() + " " + field.getName() + "()"); + writer.print(" public " + (doBaseClass ? "abstract " : "") + fieldType.getName() + " get" + capitalizeString(fieldName) + "()"); if (doBaseClass) { writer.println(";"); } else { @@ -1126,16 +1134,16 @@ public class JavaEmitter implements GlueEmitter { } String capitalized = null; if (!doBaseClass) { - capitalized = - "" + Character.toUpperCase(internalJavaTypeName.charAt(0)) + internalJavaTypeName.substring(1); + capitalized = capitalizeString(internalJavaTypeName); } int slot = -1; if (!doBaseClass) { slot = slot(fieldType, (int) field.getOffset(intMachDesc), intMachDesc); } - // Setter writer.println(); - writer.print(" public " + (doBaseClass ? "abstract " : "") + containingTypeName + " " + field.getName() + "(" + externalJavaTypeName + " val)"); + String capitalizedFieldName = capitalizeString(fieldName); + // Setter + writer.print(" public " + (doBaseClass ? "abstract " : "") + containingTypeName + " set" + capitalizedFieldName + "(" + externalJavaTypeName + " val)"); if (doBaseClass) { writer.println(";"); } else { @@ -1150,7 +1158,7 @@ public class JavaEmitter implements GlueEmitter { } writer.println(); // Getter - writer.print(" public " + (doBaseClass ? "abstract " : "") + externalJavaTypeName + " " + field.getName() + "()"); + writer.print(" public " + (doBaseClass ? "abstract " : "") + externalJavaTypeName + " get" + capitalizedFieldName + "()"); if (doBaseClass) { writer.println(";"); } else { @@ -1243,13 +1251,13 @@ public class JavaEmitter implements GlueEmitter { return javaType(Void.TYPE); } else { if (t.pointerDepth() > 0 || t.arrayDimension() > 0) { - Type targetType; // target type + Type targetType; // target type if (t.isPointer()) { // t is <type>*, we need to get <type> targetType = t.asPointer().getTargetType(); } else { // t is <type>[], we need to get <type> - targetType = t.asArray().getElementType(); + targetType = t.asArray().getElementType(); } // Handle Types of form pointer-to-type or array-of-type, like @@ -1305,10 +1313,10 @@ public class JavaEmitter implements GlueEmitter { Type bottomType; if (targetType.isPointer()) { // t is<type>**, targetType is <type>*, we need to get <type> - bottomType = targetType.asPointer().getTargetType(); + bottomType = targetType.asPointer().getTargetType(); } else { // t is<type>[][], targetType is <type>[], we need to get <type> - bottomType = targetType.asArray().getElementType(); + bottomType = targetType.asArray().getElementType(); } if (bottomType.isPrimitive()) { @@ -1340,7 +1348,7 @@ public class JavaEmitter implements GlueEmitter { "Could not convert C type \"" + t + "\" " + "to appropriate Java type; need to add more support for " + "depth=2 pointer/array types [debug info: targetType=\"" + - targetType + "\"]"); + targetType + "\"]"); } } else { // can't handle this type of pointer/array argument @@ -1351,13 +1359,13 @@ public class JavaEmitter implements GlueEmitter { "pointerDepth=" + t.pointerDepth() + " arrayDimension=" + t.arrayDimension() + " targetType=\"" + targetType + "\"]"); } - + } else { throw new RuntimeException( "Could not convert C type \"" + t + "\" (class " + t.getClass().getName() + ") to appropriate Java type"); } - } + } } private static boolean isIntegerType(Class c) { @@ -1371,9 +1379,9 @@ public class JavaEmitter implements GlueEmitter { private int slot(Type t, int byteOffset, MachineDescription curMachDesc) { if (t.isInt()) { switch ((int) t.getSize(curMachDesc)) { - case 1: - case 2: - case 4: + case 1: + case 2: + case 4: case 8: return byteOffset / (int) t.getSize(curMachDesc); default: throw new RuntimeException("Illegal type"); } @@ -1446,7 +1454,7 @@ public class JavaEmitter implements GlueEmitter { nRoot += File.separator + CodeGenUtils.packageAsPath(cfg.packageName()); } - + if (cfg.allStatic() || cfg.emitInterface()) { javaWriter = openFile(jRoot + File.separator + cfg.className() + ".java"); } @@ -1481,7 +1489,7 @@ public class JavaEmitter implements GlueEmitter { } return javaImplWriter; } - + protected PrintWriter cWriter() { if (!cfg.emitImpl()) { throw new InternalError("Should not call this"); @@ -1544,19 +1552,19 @@ public class JavaEmitter implements GlueEmitter { return; writer.println(); - writer.println(" // --- Begin CustomJavaCode .cfg declarations"); + writer.println(" // --- Begin CustomJavaCode .cfg declarations"); for (Iterator iter = code.iterator(); iter.hasNext(); ) { writer.println((String) iter.next()); } - writer.println(" // ---- End CustomJavaCode .cfg declarations"); + writer.println(" // ---- End CustomJavaCode .cfg declarations"); } - + /** * Write out any header information for the output files (class declaration * and opening brace, import statements, etc). */ - protected void emitAllFileHeaders() throws IOException { - try { + protected void emitAllFileHeaders() throws IOException { + try { if (cfg.allStatic() || cfg.emitInterface()) { String[] interfaces; List userSpecifiedInterfaces = null; @@ -1567,7 +1575,7 @@ public class JavaEmitter implements GlueEmitter { } interfaces = new String[userSpecifiedInterfaces.size()]; userSpecifiedInterfaces.toArray(interfaces); - + final List/*<String>*/ intfDocs = cfg.javadocForClass(cfg.className()); CodeGenUtils.EmissionCallback docEmitter = new CodeGenUtils.EmissionCallback() { @@ -1590,14 +1598,14 @@ public class JavaEmitter implements GlueEmitter { cfg.packageName(), cfg.className(), cfg.gluegenRuntimePackage(), - cfg.allStatic() ? true : false, + cfg.allStatic() ? true : false, (String[]) cfg.imports().toArray(new String[] {}), accessModifiers, interfaces, cfg.extendedParentClass(cfg.className()), - docEmitter); + docEmitter); } - + if (!cfg.allStatic() && cfg.emitImpl()) { final List/*<String>*/ implDocs = cfg.javadocForClass(cfg.implClassName()); CodeGenUtils.EmissionCallback docEmitter = @@ -1639,9 +1647,9 @@ public class JavaEmitter implements GlueEmitter { accessModifiers, interfaces, cfg.extendedParentClass(cfg.implClassName()), - docEmitter); + docEmitter); } - + if (cfg.emitImpl()) { PrintWriter cWriter = cWriter(); emitCHeader(cWriter, cfg.implClassName()); @@ -1650,18 +1658,18 @@ public class JavaEmitter implements GlueEmitter { throw new RuntimeException( "Error emitting all file headers: cfg.allStatic()=" + cfg.allStatic() + " cfg.emitImpl()=" + cfg.emitImpl() + " cfg.emitInterface()=" + cfg.emitInterface(), - e); + e); } - + } - + protected void emitCHeader(PrintWriter cWriter, String className) { cWriter.println("#include <jni.h>"); cWriter.println("#include <stdlib.h>"); cWriter.println(); if (getConfig().emitImpl()) { - cWriter.println("#include <assert.h>"); + cWriter.println("#include <assert.h>"); cWriter.println(); } @@ -1670,7 +1678,7 @@ public class JavaEmitter implements GlueEmitter { } cWriter.println(); } - + /** * Write out any footer information for the output files (closing brace of * class definition, etc). @@ -1703,9 +1711,9 @@ public class JavaEmitter implements GlueEmitter { MachineDescription curMachDesc) { MethodBinding binding = new MethodBinding(sym, containingType, containingCType); - + binding.renameMethodName(cfg.getJavaSymbolRename(sym.getName())); - + if (cfg.returnsString(binding.getName())) { PointerType prt = sym.getReturnType().asPointer(); if (prt == null || @@ -1729,9 +1737,9 @@ public class JavaEmitter implements GlueEmitter { JavaType mappedType = typeToJavaType(cArgType, true, curMachDesc); //System.out.println("C arg type -> \"" + cArgType + "\"" ); //System.out.println(" Java -> \"" + mappedType + "\"" ); - + // Take into account any ArgumentIsString configuration directives that apply - if (stringArgIndices != null && stringArgIndices.contains(new Integer(i))) { + if (stringArgIndices != null && stringArgIndices.contains(new Integer(i))) { //System.out.println("Forcing conversion of " + binding.getName() + " arg #" + i + " from byte[] to String "); if (mappedType.isCVoidPointerType() || mappedType.isCCharPointerType() || @@ -1744,7 +1752,7 @@ public class JavaEmitter implements GlueEmitter { // ByteBuffer[] and ShortBuffer[] to String[] if (mappedType.isArray()) { mappedType = javaType(ArrayTypes.stringArrayClass); - } else { + } else { mappedType = javaType(String.class); } } @@ -1763,13 +1771,13 @@ public class JavaEmitter implements GlueEmitter { //System.err.println(" ---> " + binding.getCSymbol()); return binding; } - + private MethodBinding lowerMethodBindingPointerTypes(MethodBinding inputBinding, boolean convertToArrays, boolean[] canProduceArrayVariant) { MethodBinding result = inputBinding; boolean arrayPossible = false; - + for (int i = 0; i < inputBinding.getNumArguments(); i++) { JavaType t = inputBinding.getJavaArgumentType(i); if (t.isCPrimitivePointerType()) { @@ -1894,4 +1902,12 @@ public class JavaEmitter implements GlueEmitter { canonMap.put(t, t); return t; } -} + + /** + * Converts first letter to upper case. + */ + private final String capitalizeString(String string) { + return Character.toUpperCase(string.charAt(0)) + string.substring(1); + } + +}
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