diff options
Diffstat (limited to 'src/java/com/jogamp/gluegen/JavaEmitter.java')
| -rw-r--r-- | src/java/com/jogamp/gluegen/JavaEmitter.java | 1827 |
1 files changed, 959 insertions, 868 deletions
diff --git a/src/java/com/jogamp/gluegen/JavaEmitter.java b/src/java/com/jogamp/gluegen/JavaEmitter.java index 4e8a35f..e2be4ea 100644 --- a/src/java/com/jogamp/gluegen/JavaEmitter.java +++ b/src/java/com/jogamp/gluegen/JavaEmitter.java @@ -1,6 +1,6 @@ /* + * Copyright (c) 2010-2023 JogAmp Community. All rights reserved. * 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 @@ -48,13 +48,13 @@ import static com.jogamp.gluegen.JavaEmitter.MethodAccess.PUBLIC_ABSTRACT; import static java.util.logging.Level.FINE; import static java.util.logging.Level.INFO; import static java.util.logging.Level.WARNING; +import static java.util.logging.Level.SEVERE; -import java.io.BufferedWriter; import java.io.File; -import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.nio.Buffer; +import java.nio.ByteBuffer; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Arrays; @@ -78,12 +78,9 @@ import com.jogamp.gluegen.ASTLocusTag.ASTLocusTagProvider; import com.jogamp.gluegen.Logging.LoggerIf; import com.jogamp.gluegen.cgram.types.AliasedSymbol; import com.jogamp.gluegen.cgram.types.ArrayType; -import com.jogamp.gluegen.cgram.types.CVAttributes; import com.jogamp.gluegen.cgram.types.CompoundType; import com.jogamp.gluegen.cgram.types.Field; import com.jogamp.gluegen.cgram.types.FunctionSymbol; -import com.jogamp.gluegen.cgram.types.FunctionType; -import com.jogamp.gluegen.cgram.types.IntType; import com.jogamp.gluegen.cgram.types.PointerType; import com.jogamp.gluegen.cgram.types.SizeThunk; import com.jogamp.gluegen.cgram.types.StructLayout; @@ -106,7 +103,6 @@ public class JavaEmitter implements GlueEmitter { private StructLayout layout; private Map<Type, Type> canonMap; protected JavaConfiguration cfg; - private boolean requiresStaticInitialization = false; /** * Style of code emission. Can emit everything into one class @@ -130,11 +126,9 @@ public class JavaEmitter implements GlueEmitter { private final String javaName; } - private String javaFileName; // of javaWriter or javaImplWriter - private PrintWriter javaWriter; // Emits either interface or, in AllStatic mode, everything - private PrintWriter javaImplWriter; // Only used in non-AllStatic modes for impl class - private String cFileName; // of cWriter - private PrintWriter cWriter; + private JavaCodeUnit javaUnit; // Covers either interface or, in AllStatic mode, everything + private JavaCodeUnit javaImplUnit; // Only used in non-AllStatic modes for impl class + private CCodeUnit cUnit; private final MachineDataInfo machDescJava = MachineDataInfo.StaticConfig.LP64_UNIX.md; private final MachineDataInfo.StaticConfig[] machDescTargetConfigs = MachineDataInfo.StaticConfig.values(); @@ -262,7 +256,7 @@ public class JavaEmitter implements GlueEmitter { if ( !cfg.structsOnly() ) { try { - openWriters(); + openCodeUnits(); } catch (final Exception e) { throw new RuntimeException("Unable to open files for writing", e); } @@ -286,7 +280,7 @@ public class JavaEmitter implements GlueEmitter { @Override public void beginDefines() throws Exception { if ( ( cfg.allStatic() || cfg.emitInterface() ) && !cfg.structsOnly() ) { - javaWriter().println(); + javaUnit().emitln(); } } @@ -317,18 +311,18 @@ public class JavaEmitter implements GlueEmitter { if ( !cfg.shouldIgnoreInInterface(def) ) { final ConstantDefinition.JavaExpr constExpr = def.computeJavaExpr(constMap); constMap.put(def.getName(), constExpr); - javaWriter().print(" /** "); + javaUnit().emit(" /** "); if (optionalComment != null && optionalComment.length() != 0) { - javaWriter().print(optionalComment); - javaWriter().print(" - "); + javaUnit().emit(optionalComment); + javaUnit().emit(" - "); } - javaWriter().print("CType: "); + javaUnit().emit("CType: "); if( constExpr.resultType.isUnsigned ) { - javaWriter().print("unsigned "); + javaUnit().emit("unsigned "); } - javaWriter().print(constExpr.resultJavaTypeName); - javaWriter().println(" */"); - javaWriter().println(" public static final " + constExpr.resultJavaTypeName + + javaUnit().emit(constExpr.resultJavaTypeName); + javaUnit().emitln(" */"); + javaUnit().emitln(" public static final " + constExpr.resultJavaTypeName + " " + def.getName() + " = " + constExpr.javaExpression + ";"); } } @@ -345,10 +339,9 @@ public class JavaEmitter implements GlueEmitter { // this.typedefDictionary = typedefDictionary; this.canonMap = canonMap; - this.requiresStaticInitialization = false; // reset if ( ( cfg.allStatic() || cfg.emitInterface() ) && !cfg.structsOnly() ) { - javaWriter().println(); + javaUnit().emitln(); } } @@ -377,7 +370,7 @@ public class JavaEmitter implements GlueEmitter { final FunctionSymbol cFunc = emitter.getCSymbol(); if ( !emitter.isInterface() || !cfg.shouldIgnoreInInterface(cFunc) ) { emitter.emit(); - emitter.getDefaultOutput().println(); // put newline after method body + emitter.getUnit().emitln(); // put newline after method body LOG.log(INFO, cFunc.getASTLocusTag(), "Non-Ignored Intf[{0}]: {1}", i++, cFunc); } } catch (final Exception e) { @@ -453,11 +446,11 @@ public class JavaEmitter implements GlueEmitter { final boolean emitBody = !signatureOnly && needsBody; final boolean isNativeMethod = !isUnimplemented && !needsBody && !signatureOnly; - final PrintWriter writer = ((signatureOnly || cfg.allStatic()) ? javaWriter() : javaImplWriter()); + final CodeUnit unit = ((signatureOnly || cfg.allStatic()) ? javaUnit() : javaImplUnit()); final JavaMethodBindingEmitter emitter = new JavaMethodBindingEmitter(binding, - writer, + unit, cfg.runtimeExceptionType(), cfg.unsupportedExceptionType(), emitBody, // emitBody @@ -512,7 +505,6 @@ public class JavaEmitter implements GlueEmitter { cfg.javaEpilogueForMethod(binding, false, false) != null ; if ( !cfg.isUnimplemented( cSymbol ) ) { - // If we already generated a public native entry point for this // method, don't emit another one // @@ -524,12 +516,12 @@ public class JavaEmitter implements GlueEmitter { ( binding.needsNIOWrappingOrUnwrapping() || hasPrologueOrEpilogue ) ) { - final PrintWriter writer = (cfg.allStatic() ? javaWriter() : javaImplWriter()); + final CodeUnit unit = (cfg.allStatic() ? javaUnit() : javaImplUnit()); // (Always) emit the entry point taking only direct buffers final JavaMethodBindingEmitter emitter = new JavaMethodBindingEmitter(binding, - writer, + unit, cfg.runtimeExceptionType(), cfg.unsupportedExceptionType(), false, // emitBody @@ -563,7 +555,7 @@ public class JavaEmitter implements GlueEmitter { // Generate a binding without mixed access (NIO-direct, -indirect, array) final CMethodBindingEmitter cEmitter = new CMethodBindingEmitter(binding, - cWriter(), + cUnit(), cfg.implPackageName(), cfg.implClassName(), true, // NOTE: we always disambiguate with a suffix now, so this is optional @@ -714,18 +706,10 @@ public class JavaEmitter implements GlueEmitter { public void endFunctions() throws Exception { if ( !cfg.structsOnly() ) { if (cfg.allStatic() || cfg.emitInterface()) { - emitCustomJavaCode(javaWriter(), cfg.className()); + emitCustomJavaCode(javaUnit(), cfg.className()); } if (!cfg.allStatic() && cfg.emitImpl()) { - emitCustomJavaCode(javaImplWriter(), cfg.implClassName()); - } - if ( cfg.allStatic() ) { - emitJavaInitCode(javaWriter(), cfg.className()); - } else if ( cfg.emitImpl() ) { - emitJavaInitCode(javaImplWriter(), cfg.implClassName()); - } - if ( cfg.emitImpl() ) { - emitCInitCode(cWriter(), getImplPackageName(), cfg.implClassName()); + emitCustomJavaCode(javaImplUnit(), cfg.implClassName()); } } } @@ -750,6 +734,7 @@ public class JavaEmitter implements GlueEmitter { @Override public void emitStruct(final CompoundType structCType, final Type structCTypedefPtr) throws Exception { final String structCTypeName, typedefedName; + final boolean immutableStruct; { final String _name = structCType.getName(); if ( null != structCTypedefPtr && null != structCTypedefPtr.getName() ) { @@ -778,6 +763,7 @@ public class JavaEmitter implements GlueEmitter { "skipping emission of ignored \"{0}\": {1}", aliases, structCType); return; } + immutableStruct = cfg.immutableAccess(aliases); } if( null != structCTypedefPtr && isOpaque(structCTypedefPtr) ) { @@ -827,8 +813,6 @@ public class JavaEmitter implements GlueEmitter { "emission of \"{0}\" with zero fields {1}", containingJTypeName, structCType); } - this.requiresStaticInitialization = false; // reset - // machDescJava global MachineDataInfo is the one used to determine // the sizes of the primitive types seen in the public API in Java. // For example, if a C long is an element of a struct, it is the size @@ -854,16 +838,16 @@ public class JavaEmitter implements GlueEmitter { for (int i = 0; i < structCType.getNumFields(); i++) { final Field field = structCType.getField(i); final Type fieldType = field.getType(); - final String cfgFieldName0 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, field.getName()); if (!cfg.shouldIgnoreInInterface(cfgFieldName0)) { - final String renamed = cfg.getJavaSymbolRename(cfgFieldName0); final String fieldName = renamed==null ? field.getName() : renamed; final String cfgFieldName1 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, fieldName); + final TypeInfo opaqueField = cfg.canonicalNameOpaque(cfgFieldName1); + final boolean isOpaqueField = null != opaqueField; - if ( fieldType.isFunctionPointer() || fieldType.isPointer() || requiresGetCStringLength(fieldType, cfgFieldName1) ) { + if ( fieldType.isFunctionPointer() && !isOpaqueField ) { needsNativeCode = true; break; } @@ -871,76 +855,84 @@ public class JavaEmitter implements GlueEmitter { } final String structClassPkgName = cfg.packageForStruct(structCTypeName); - final PrintWriter javaWriter; - final PrintWriter jniWriter; + final JavaCodeUnit javaUnit; + final CCodeUnit jniUnit; try { - javaWriter = openFile(cfg.javaOutputDir() + File.separator + - CodeGenUtils.packageAsPath(structClassPkgName) + - File.separator + containingJTypeName + ".java", containingJTypeName); - if( null == javaWriter ) { + { + final String javaFileName = cfg.javaOutputDir() + File.separator + + CodeGenUtils.packageAsPath(structClassPkgName) + + File.separator + containingJTypeName + ".java"; + + javaUnit = openJavaUnit(javaFileName, structClassPkgName, containingJTypeName); + } + + if( null == javaUnit ) { // suppress output if openFile deliberately returns null. return; } - CodeGenUtils.emitAutogeneratedWarning(javaWriter, this); if (needsNativeCode) { String nRoot = cfg.nativeOutputDir(); if (cfg.nativeOutputUsesJavaHierarchy()) { nRoot += File.separator + CodeGenUtils.packageAsPath(cfg.packageName()); } - jniWriter = openFile(nRoot + File.separator + containingJTypeName + "_JNI.c", containingJTypeName); - CodeGenUtils.emitAutogeneratedWarning(jniWriter, this); - emitCHeader(jniWriter, structClassPkgName, containingJTypeName); + final String cUnitName = containingJTypeName + "_JNI.c"; + final String fname = nRoot + File.separator + cUnitName; + jniUnit = openCUnit(fname, cUnitName); + // jniUnit.emitHeader(structClassPkgName, containingJTypeName, Collections.emptyList()); + jniUnit.emitHeader(structClassPkgName, containingJTypeName, cfg.customCCode()); } else { - jniWriter = null; + jniUnit = null; } } catch(final Exception e) { throw new RuntimeException("Unable to open files for emission of struct class", e); } - javaWriter.println(); - javaWriter.println("package " + structClassPkgName + ";"); - javaWriter.println(); - javaWriter.println("import java.nio.*;"); - javaWriter.println(); + javaUnit.emitln(); + javaUnit.emitln("package " + structClassPkgName + ";"); + javaUnit.emitln(); + javaUnit.emitln("import java.nio.*;"); + javaUnit.emitln("import java.nio.charset.Charset;"); + javaUnit.emitln("import java.nio.charset.StandardCharsets;"); + javaUnit.emitln(); - javaWriter.println("import " + cfg.gluegenRuntimePackage() + ".*;"); - javaWriter.println("import " + DynamicLookupHelper.class.getPackage().getName() + ".*;"); - javaWriter.println("import " + Buffers.class.getPackage().getName() + ".*;"); - javaWriter.println("import " + MachineDataInfoRuntime.class.getName() + ";"); - javaWriter.println(); + javaUnit.emitln("import " + cfg.gluegenRuntimePackage() + ".*;"); + javaUnit.emitln("import " + DynamicLookupHelper.class.getPackage().getName() + ".*;"); + javaUnit.emitln("import " + Buffers.class.getPackage().getName() + ".*;"); + javaUnit.emitln("import " + MachineDataInfoRuntime.class.getName() + ";"); + javaUnit.emitln(); final List<String> imports = cfg.imports(); for (final String str : imports) { - javaWriter.print("import "); - javaWriter.print(str); - javaWriter.println(";"); + javaUnit.emit("import "); + javaUnit.emit(str); + javaUnit.emitln(";"); } - javaWriter.println(); + javaUnit.emitln(); final List<String> javadoc = cfg.javadocForClass(containingJTypeName); for (final String doc : javadoc) { - javaWriter.println(doc); + javaUnit.emitln(doc); } - javaWriter.print("public class " + containingJTypeName + " "); + javaUnit.emit("public final class " + containingJTypeName + " "); boolean firstIteration = true; final List<String> userSpecifiedInterfaces = cfg.implementedInterfaces(containingJTypeName); for (final String userInterface : userSpecifiedInterfaces) { if (firstIteration) { - javaWriter.print("implements "); + javaUnit.emit("implements "); } firstIteration = false; - javaWriter.print(userInterface); - javaWriter.print(" "); + javaUnit.emit(userInterface); + javaUnit.emit(" "); } - javaWriter.println("{"); - javaWriter.println(); - javaWriter.println(" StructAccessor accessor;"); - javaWriter.println(); + javaUnit.emitln("{"); + javaUnit.emitln(); + javaUnit.emitln(" StructAccessor accessor;"); + javaUnit.emitln(); final String cfgMachDescrIdxCode = cfg.returnStructMachineDataInfoIndex(containingJTypeName); final String machDescrIdxCode = null != cfgMachDescrIdxCode ? cfgMachDescrIdxCode : "private static final int mdIdx = MachineDataInfoRuntime.getStatic().ordinal();"; - javaWriter.println(" "+machDescrIdxCode); - javaWriter.println(" private final MachineDataInfo md;"); - javaWriter.println(); + javaUnit.emitln(" "+machDescrIdxCode); + javaUnit.emitln(" private final MachineDataInfo md;"); + javaUnit.emitln(); // generate all offset and size arrays - generateOffsetAndSizeArrays(javaWriter, " ", containingJTypeName, structCType, null, null); /* w/o offset */ + generateOffsetAndSizeArrays(javaUnit, " ", containingJTypeName, structCType, null, null); /* w/o offset */ if( GlueGen.debug() ) { System.err.printf("SE.__: structCType %s%n", structCType.getDebugString()); System.err.printf("SE.__: contCTypeName %s%n", containingCType.getDebugString()); @@ -970,14 +962,15 @@ public class JavaEmitter implements GlueEmitter { if( GlueGen.debug() ) { System.err.printf("SE.os.%02d: %s / %s, %s (%s)%n", (i+1), field, cfgFieldName1, fieldType.getDebugString(), "compound"); } - generateOffsetAndSizeArrays(javaWriter, " ", fieldName, fieldType, field, null); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, fieldType, field, null); } else if (fieldType.isArray()) { final Type baseElementType = field.getType().asArray().getBaseElementType(); if( GlueGen.debug() ) { System.err.printf("SE.os.%02d: %s / %s, %s (%s)%n", (i+1), field, cfgFieldName1, fieldType.getDebugString(), "array"); System.err.printf("SE.os.%02d: baseType %s%n", (i+1), baseElementType.getDebugString()); } - generateOffsetAndSizeArrays(javaWriter, " ", fieldName, fieldType, field, null); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, null, field, null); /* w/o size */ + generateOffsetAndSizeArrays(javaUnit, "//", fieldName, fieldType, null, null); } else { final JavaType externalJavaType; try { @@ -992,52 +985,74 @@ public class JavaEmitter implements GlueEmitter { } if (externalJavaType.isPrimitive()) { // Primitive type - generateOffsetAndSizeArrays(javaWriter, " ", fieldName, null, field, null); /* w/o size */ - generateOffsetAndSizeArrays(javaWriter, "//", fieldName, fieldType, null, null); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, null, field, null); /* w/o size */ + generateOffsetAndSizeArrays(javaUnit, "//", fieldName, fieldType, null, null); } else if (externalJavaType.isCPrimitivePointerType()) { if( requiresGetCStringLength(fieldType, cfgFieldName1) ) { - generateOffsetAndSizeArrays(javaWriter, " ", fieldName, null, field, null); /* w/o size */ - generateOffsetAndSizeArrays(javaWriter, "//", fieldName, fieldType, null, "// "+externalJavaType.getDebugString()); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, null, field, null); /* w/o size */ + generateOffsetAndSizeArrays(javaUnit, "//", fieldName, fieldType, null, "// "+externalJavaType.getDebugString()); } else { - generateOffsetAndSizeArrays(javaWriter, "//", fieldName, fieldType, field, "// "+externalJavaType.getDebugString()); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, null, field, null); /* w/o size */ + generateOffsetAndSizeArrays(javaUnit, "//", fieldName, fieldType, field, "// "+externalJavaType.getDebugString()); } } else { - generateOffsetAndSizeArrays(javaWriter, " ", fieldName, null, field, null); /* w/o size */ - generateOffsetAndSizeArrays(javaWriter, "//", fieldName, fieldType, null, "// "+externalJavaType.getDebugString()); + generateOffsetAndSizeArrays(javaUnit, " ", fieldName, null, field, null); /* w/o size */ + generateOffsetAndSizeArrays(javaUnit, "//", fieldName, fieldType, null, "// "+externalJavaType.getDebugString()); } } } else if( GlueGen.debug() ) { System.err.printf("SE.os.%02d: %s, %s (IGNORED)%n", (i+1), field, fieldType.getDebugString()); } } - javaWriter.println(); + javaUnit.emitln(); + javaUnit.emitln(" /** Returns true if this generated implementation uses native code, otherwise false. */"); + javaUnit.emitln(" public static boolean usesNativeCode() {"); + javaUnit.emitln(" return "+needsNativeCode+";"); + javaUnit.emitln(" }"); + javaUnit.emitln(); + // getDelegatedImplementation if( !cfg.manuallyImplement(JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, "size")) ) { - javaWriter.println(" public static int size() {"); - javaWriter.println(" return "+containingJTypeName+"_size[mdIdx];"); - javaWriter.println(" }"); - javaWriter.println(); + javaUnit.emitln(" /** Returns the aligned total size of a native instance. */"); + javaUnit.emitln(" public static int size() {"); + javaUnit.emitln(" return "+containingJTypeName+"_size[mdIdx];"); + javaUnit.emitln(" }"); + javaUnit.emitln(); } if( !cfg.manuallyImplement(JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, "create")) ) { - javaWriter.println(" public static " + containingJTypeName + " create() {"); - javaWriter.println(" return create(Buffers.newDirectByteBuffer(size()));"); - javaWriter.println(" }"); - javaWriter.println(); - javaWriter.println(" public static " + containingJTypeName + " create(java.nio.ByteBuffer buf) {"); - javaWriter.println(" return new " + containingJTypeName + "(buf);"); - javaWriter.println(" }"); - javaWriter.println(); - } + javaUnit.emitln(" /** Returns a new instance with all bytes set to zero. */"); + javaUnit.emitln(" public static " + containingJTypeName + " create() {"); + javaUnit.emitln(" return create(Buffers.newDirectByteBuffer(size()));"); + javaUnit.emitln(" }"); + javaUnit.emitln(); + javaUnit.emitln(" /** Returns a new instance using the given ByteBuffer having at least {#link size()} bytes capacity. The ByteBuffer will be {@link ByteBuffer#rewind()} and native-order set. */"); + javaUnit.emitln(" public static " + containingJTypeName + " create(java.nio.ByteBuffer buf) {"); + javaUnit.emitln(" return new " + containingJTypeName + "(buf);"); + javaUnit.emitln(" }"); + javaUnit.emitln(); + } + javaUnit.emitln(" /** Returns new instance dereferencing ByteBuffer at given native address `addr` with size {@link #size()}. */"); + javaUnit.emitln(" public static " + containingJTypeName + " derefPointer(final long addr) {"); + javaUnit.emitln(" return create( ElementBuffer.derefPointer(size(), 1, addr).getByteBuffer() );"); + javaUnit.emitln(" }"); + javaUnit.emitln(); if( !cfg.manuallyImplement(JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, containingJTypeName)) ) { - javaWriter.println(" " + containingJTypeName + "(java.nio.ByteBuffer buf) {"); - javaWriter.println(" md = MachineDataInfo.StaticConfig.values()[mdIdx].md;"); - javaWriter.println(" accessor = new StructAccessor(buf);"); - javaWriter.println(" }"); - javaWriter.println(); - } - javaWriter.println(" public java.nio.ByteBuffer getBuffer() {"); - javaWriter.println(" return accessor.getBuffer();"); - javaWriter.println(" }"); + javaUnit.emitln(" " + containingJTypeName + "(java.nio.ByteBuffer buf) {"); + javaUnit.emitln(" md = MachineDataInfo.StaticConfig.values()[mdIdx].md;"); + javaUnit.emitln(" accessor = new StructAccessor(buf);"); + javaUnit.emitln(" }"); + javaUnit.emitln(); + } + javaUnit.emitln(" /** Return the underlying native direct ByteBuffer */"); + javaUnit.emitln(" public final java.nio.ByteBuffer getBuffer() {"); + javaUnit.emitln(" return accessor.getBuffer();"); + javaUnit.emitln(" }"); + javaUnit.emitln(); + javaUnit.emitln(" /** Returns the native address of the underlying native ByteBuffer {@link #getBuffer()} */"); + javaUnit.emitln(" public final long getDirectBufferAddress() {"); + javaUnit.emitln(" return accessor.getDirectBufferAddress();"); + javaUnit.emitln(" }"); + javaUnit.emitln(); final Set<MethodBinding> methodBindingSet = new HashSet<MethodBinding>(); @@ -1045,26 +1060,27 @@ public class JavaEmitter implements GlueEmitter { final Field field = structCType.getField(i); final Type fieldType = field.getType(); - final String cfgFieldName0 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, field.getName()); - if (!cfg.shouldIgnoreInInterface(cfgFieldName0)) { - final String renamed = cfg.getJavaSymbolRename(cfgFieldName0); + final String fqStructFieldName0 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, field.getName()); // containingJTypeName.field.getName() + if (!cfg.shouldIgnoreInInterface(fqStructFieldName0)) { + final String renamed = cfg.getJavaSymbolRename(fqStructFieldName0); final String fieldName = renamed==null ? field.getName() : renamed; - final String cfgFieldName1 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, fieldName); + final String fqStructFieldName1 = JavaConfiguration.canonicalStructFieldSymbol(containingJTypeName, fieldName); // containingJTypeName.fieldName final TypeInfo opaqueFieldType = cfg.typeInfo(fieldType); final boolean isOpaqueFieldType = null != opaqueFieldType; - final TypeInfo opaqueField = cfg.canonicalNameOpaque(cfgFieldName1); + final TypeInfo opaqueField = cfg.canonicalNameOpaque(fqStructFieldName1); final boolean isOpaqueField = null != opaqueField; + final boolean immutableField = immutableStruct || cfg.immutableAccess(fqStructFieldName1); if( GlueGen.debug() ) { - System.err.printf("SE.ac.%02d: %s / %s (opaque %b), %s (opaque %b)%n", (i+1), - (i+1), field, cfgFieldName1, isOpaqueField, fieldType.getDebugString(), isOpaqueFieldType); + System.err.printf("SE.ac.%02d: %s / %s (opaque %b), %s (opaque %b), immutable[struct %b, field %b]%n", (i+1), + (i+1), field, fqStructFieldName1, isOpaqueField, fieldType.getDebugString(), isOpaqueFieldType, + immutableStruct, immutableField); } if ( fieldType.isFunctionPointer() && !isOpaqueField ) { final FunctionSymbol func = new FunctionSymbol(field.getName(), fieldType.asPointer().getTargetType().asFunction()); func.rename(renamed); // null is OK - generateFunctionPointerCode(methodBindingSet, javaWriter, jniWriter, structCTypeName, structClassPkgName, - containingCType, containingJType, i, - func, cfgFieldName1); + generateFunctionPointerCode(methodBindingSet, javaUnit, jniUnit, structCTypeName, + containingCType, containingJType, i, func, fqStructFieldName1); } else if ( fieldType.isCompound() && !isOpaqueField ) { // FIXME: will need to support this at least in order to // handle the union in jawt_Win32DrawingSurfaceInfo (fabricate a name?) @@ -1073,17 +1089,15 @@ public class JavaEmitter implements GlueEmitter { field + "\" in type \"" + structCTypeName + "\")", fieldType.getASTLocusTag()); } - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, false, false, fieldType.getName(), fieldName, capitalizeString(fieldName), null, null); - javaWriter.println(" {"); - javaWriter.println(" return " + fieldType.getName() + ".create( accessor.slice( " + + generateGetterSignature(javaUnit, fieldType, false, false, fieldType.getName(), fieldName, capitalizeString(fieldName), null, false, null); + javaUnit.emitln(" {"); + javaUnit.emitln(" return " + fieldType.getName() + ".create( accessor.slice( " + fieldName+"_offset[mdIdx], "+fieldName+"_size[mdIdx] ) );"); - javaWriter.println(" }"); - + javaUnit.emitln(" }"); + javaUnit.emitln(); } else if ( ( fieldType.isArray() || fieldType.isPointer() ) && !isOpaqueField ) { - generateArrayGetterSetterCode(methodBindingSet, javaWriter, jniWriter, structCType, structCTypeName, - structClassPkgName, containingCType, - containingJType, i, field, fieldName, cfgFieldName1); + generateArrayGetterSetterCode(javaUnit, structCType, containingJType, + i, field, fieldName, immutableField, fqStructFieldName1); } else { final JavaType javaType; try { @@ -1112,51 +1126,43 @@ public class JavaEmitter implements GlueEmitter { "Java.StructEmitter.Primitive: "+field.getName()+", "+fieldType+", "+javaTypeName+", "+ ", fixedSize "+fieldTypeNativeSizeFixed+", opaque[t "+isOpaqueFieldType+", f "+isOpaqueField+"], sizeDenominator "+sizeDenominator); - if( !fieldType.isConst() ) { + if( !immutableField && !fieldType.isConst() ) { // Setter - javaWriter.println(); - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capFieldName, null, javaTypeName, null, null); - javaWriter.println(" {"); + generateSetterSignature(javaUnit, fieldType, MethodAccess.PUBLIC, false, false, containingJTypeName, fieldName, capFieldName, null, javaTypeName, null, false, null); + javaUnit.emitln(" {"); if( fieldTypeNativeSizeFixed ) { - javaWriter.println(" accessor.set" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], val);"); + javaUnit.emitln(" accessor.set" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], src);"); } else { - javaWriter.println(" accessor.set" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], val, md."+sizeDenominator+"SizeInBytes());"); + javaUnit.emitln(" accessor.set" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], src, md."+sizeDenominator+"SizeInBytes());"); } - javaWriter.println(" return this;"); - javaWriter.println(" }"); + javaUnit.emitln(" return this;"); + javaUnit.emitln(" }"); + javaUnit.emitln(); } // Getter - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, false, false, javaTypeName, fieldName, capFieldName, null, null); - javaWriter.println(" {"); - javaWriter.print (" return "); + generateGetterSignature(javaUnit, fieldType, false, false, javaTypeName, fieldName, capFieldName, null, false, null); + javaUnit.emitln(" {"); + javaUnit.emit (" return "); if( fieldTypeNativeSizeFixed ) { - javaWriter.println("accessor.get" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx]);"); + javaUnit.emitln("accessor.get" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx]);"); } else { - javaWriter.println("accessor.get" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], md."+sizeDenominator+"SizeInBytes());"); + javaUnit.emitln("accessor.get" + capJavaTypeName + "At(" + fieldName+"_offset[mdIdx], md."+sizeDenominator+"SizeInBytes());"); } - javaWriter.println(" }"); + javaUnit.emitln(" }"); } else { - javaWriter.println(); - javaWriter.println(" /** UNKNOWN: "+cfgFieldName1 +": "+fieldType.getDebugString()+", "+javaType.getDebugString()+" */"); + javaUnit.emitln(" /** UNKNOWN: "+fqStructFieldName1 +": "+fieldType.getDebugString()+", "+javaType.getDebugString()+" */"); } + javaUnit.emitln(); } } } - emitCustomJavaCode(javaWriter, containingJTypeName); - if (needsNativeCode) { - javaWriter.println(); - emitJavaInitCode(javaWriter, containingJTypeName); - javaWriter.println(); - } - javaWriter.println("}"); - javaWriter.flush(); - javaWriter.close(); + emitCustomJavaCode(javaUnit, containingJTypeName); + javaUnit.emitTailCode(); + javaUnit.emitln("}"); + javaUnit.close(); if (needsNativeCode) { - emitCInitCode(jniWriter, structClassPkgName, containingJTypeName); - jniWriter.flush(); - jniWriter.close(); + jniUnit.close(); } if( GlueGen.debug() ) { System.err.printf("SE.XX: structCType %s%n", structCType.getDebugString()); @@ -1195,78 +1201,104 @@ public class JavaEmitter implements GlueEmitter { // Internals only below this point // - private void generateGetterSignature(final PrintWriter writer, final Type origFieldType, + private void generateIsNullSignature(final CodeUnit unit, final Type origFieldType, + final boolean staticMethod, final boolean abstractMethod, + final String fieldName, final String capitalizedFieldName, + final boolean constElemCount, final String elemCountExpr) { + unit.emit(" /** Is 'null' for native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); + if( null != elemCountExpr ) { + unit.emit(", with "+(constElemCount?"fixed":"initial")+" array length of <code>"+elemCountExpr+"</code>"); + } + unit.emitln(" */"); + unit.emit(" public final " + (staticMethod ? "static " : "") + (abstractMethod ? "abstract " : "") + "boolean is" + capitalizedFieldName + "Null()"); + } + private void generateReleaseSignature(final CodeUnit unit, final Type origFieldType, + final boolean abstractMethod, + final String returnTypeName, final String fieldName, final String capitalizedFieldName, + final boolean constElemCount, final String elemCountExpr) { + unit.emit(" /** Release for native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); + if( null != elemCountExpr ) { + unit.emit(", with "+(constElemCount?"fixed":"initial")+" array length of <code>"+elemCountExpr+"</code>"); + } + unit.emitln(" */"); + unit.emit(" public final " + (abstractMethod ? "abstract " : "") + returnTypeName + " release" + capitalizedFieldName + "()"); + } + private void generateGetterSignature(final CodeUnit unit, final Type origFieldType, final boolean staticMethod, final boolean abstractMethod, - final String returnTypeName, final String fieldName, - final String capitalizedFieldName, final String customArgs, final String arrayLengthExpr) { - writer.print(" /** Getter for native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); - if( null != arrayLengthExpr ) { - writer.print(", with array length of <code>"+arrayLengthExpr+"</code>"); + final String returnTypeName, final String fieldName, final String capitalizedFieldName, + final String customArgs, final boolean constElemCount, final String elemCountExpr) { + unit.emit(" /** Getter for native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); + if( null != elemCountExpr ) { + unit.emit(", with "+(constElemCount?"fixed":"initial")+" array length of <code>"+elemCountExpr+"</code>"); } - writer.println(" */"); - writer.print(" public " + (staticMethod ? "static " : "") + (abstractMethod ? "abstract " : "") + returnTypeName + " get" + capitalizedFieldName + "("); + unit.emitln(" */"); + unit.emit(" public final " + (staticMethod ? "static " : "") + (abstractMethod ? "abstract " : "") + returnTypeName + " get" + capitalizedFieldName + "("); if( null != customArgs ) { - writer.print(customArgs); + unit.emit(customArgs); } - writer.print(")"); + unit.emit(")"); } - private void generateSetterSignature(final PrintWriter writer, final Type origFieldType, final boolean abstractMethod, - final String returnTypeName, final String fieldName, - final String capitalizedFieldName, final String customArgsPre, final String paramTypeName, - final String customArgsPost, final String arrayLengthExpr) { - writer.print(" /** Setter for native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); - if( null != arrayLengthExpr ) { - writer.print(", with array length of <code>"+arrayLengthExpr+"</code>"); + private void generateSetterAPIDoc(final CodeUnit unit, final String action, + final Type origFieldType, final String fieldName, + final boolean constElemCount, final String elemCountExpr) { + unit.emit(" /** "+action+" native field <code>"+fieldName+"</code>: "+origFieldType.getDebugString()); + if( null != elemCountExpr ) { + unit.emit(", with "+(constElemCount?"fixed native-ownership":"initial")+" array length of <code>"+elemCountExpr+"</code>"); } - writer.println(" */"); - writer.print(" public " + (abstractMethod ? "abstract " : "") + returnTypeName + " set" + capitalizedFieldName + "("); + unit.emitln(" */"); + } + private void generateSetterSignature(final CodeUnit unit, final Type origFieldType, final MethodAccess accessMod, + final boolean staticMethod, final boolean abstractMethod, + final String returnTypeName, final String fieldName, final String capitalizedFieldName, + final String customArgsPre, final String paramTypeName, final String customArgsPost, final boolean constElemCount, final String elemCountExpr) { + generateSetterAPIDoc(unit, "Setter for", origFieldType, fieldName, constElemCount, elemCountExpr); + unit.emit(" "+accessMod.getJavaName()+" final " + (staticMethod ? "static " : "") + (abstractMethod ? "abstract " : "") + returnTypeName + " set" + capitalizedFieldName + "("); if( null != customArgsPre ) { - writer.print(customArgsPre+", "); + unit.emit(customArgsPre+", "); } - writer.print(paramTypeName + " val"); + unit.emit(paramTypeName + " src"); if( null != customArgsPost ) { - writer.print(", "+customArgsPost); + unit.emit(", "+customArgsPost); } - writer.print(")"); + unit.emit(")"); } - private void generateOffsetAndSizeArrays(final PrintWriter writer, final String prefix, + private void generateOffsetAndSizeArrays(final CodeUnit unit, final String prefix, final String fieldName, final Type fieldType, final Field field, final String postfix) { if(null != field) { - writer.print(prefix+"private static final int[] "+fieldName+"_offset = new int[] { "); + unit.emit(prefix+"private static final int[] "+fieldName+"_offset = new int[] { "); for( int i=0; i < machDescTargetConfigs.length; i++ ) { if(0<i) { - writer.print(", "); + unit.emit(", "); } - writer.print(field.getOffset(machDescTargetConfigs[i].md) + + unit.emit(field.getOffset(machDescTargetConfigs[i].md) + " /* " + machDescTargetConfigs[i].name() + " */"); } - writer.println(" };"); + unit.emitln(" };"); } if(null!=fieldType) { - writer.print(prefix+"private static final int[] "+fieldName+"_size = new int[] { "); + unit.emit(prefix+"private static final int[] "+fieldName+"_size = new int[] { "); for( int i=0; i < machDescTargetConfigs.length; i++ ) { if(0<i) { - writer.print(", "); + unit.emit(", "); } - writer.print(fieldType.getSize(machDescTargetConfigs[i].md) + + unit.emit(fieldType.getSize(machDescTargetConfigs[i].md) + " /* " + machDescTargetConfigs[i].name() + " */"); } - writer.print(" };"); + unit.emit(" };"); if( null != postfix ) { - writer.println(postfix); + unit.emitln(postfix); } else { - writer.println(); + unit.emitln(); } } } private void generateFunctionPointerCode(final Set<MethodBinding> methodBindingSet, - final PrintWriter javaWriter, final PrintWriter jniWriter, - final String structCTypeName, final String structClassPkgName, - final Type containingCType, final JavaType containingJType, + final JavaCodeUnit javaUnit, final CCodeUnit jniUnit, + final String structCTypeName, final Type containingCType, final JavaType containingJType, final int i, final FunctionSymbol funcSym, final String returnSizeLookupName) { // Emit method call and associated native code final MethodBinding mb = bindFunction(funcSym, true /* forInterface */, machDescJava, containingJType, containingCType); @@ -1284,11 +1316,10 @@ public class JavaEmitter implements GlueEmitter { // skip .. already exisiting binding .. continue; } - javaWriter.println(); // Emit public Java entry point for calling this function pointer JavaMethodBindingEmitter emitter = new JavaMethodBindingEmitter(binding, - javaWriter, + javaUnit, cfg.runtimeExceptionType(), cfg.unsupportedExceptionType(), true, // emitBody @@ -1305,11 +1336,12 @@ public class JavaEmitter implements GlueEmitter { cfg); emitter.addModifier(JavaMethodBindingEmitter.PUBLIC); emitter.emit(); + javaUnit.emitln(); // Emit private native Java entry point for calling this function pointer emitter = new JavaMethodBindingEmitter(binding, - javaWriter, + javaUnit, cfg.runtimeExceptionType(), cfg.unsupportedExceptionType(), false, // emitBody @@ -1326,12 +1358,13 @@ public class JavaEmitter implements GlueEmitter { emitter.addModifier(JavaMethodBindingEmitter.PRIVATE); emitter.addModifier(JavaMethodBindingEmitter.NATIVE); emitter.emit(); + javaUnit.emitln(); // Emit (private) C entry point for calling this function pointer final CMethodBindingEmitter cEmitter = new CMethodBindingEmitter(binding, - jniWriter, - structClassPkgName, + jniUnit, + javaUnit.pkgName, containingJType.getName(), true, // FIXME: this is optional at this point false, @@ -1341,91 +1374,7 @@ public class JavaEmitter implements GlueEmitter { cEmitter.setIsCStructFunctionPointer(true); prepCEmitter(returnSizeLookupName, binding.getJavaReturnType(), cEmitter); cEmitter.emit(); - } - } - - private void generateArrayPointerCode(final Set<MethodBinding> methodBindingSet, - final PrintWriter javaWriter, final PrintWriter jniWriter, - final String structCTypeName, final String structClassPkgName, - final Type containingCType, final JavaType containingJType, - final int i, final FunctionSymbol funcSym, - final String returnSizeLookupName, final String docArrayLenExpr, final String nativeArrayLenExpr) { - // Emit method call and associated native code - final MethodBinding mb = bindFunction(funcSym, true /* forInterface */, machDescJava, containingJType, containingCType); - mb.findThisPointer(); // FIXME: need to provide option to disable this on per-function basis - - // JavaTypes representing C pointers in the initial - // MethodBinding have not been lowered yet to concrete types - final List<MethodBinding> bindings = expandMethodBinding(mb); - - final boolean useNIOOnly = true; - final boolean useNIODirectOnly = true; - - for (final MethodBinding binding : bindings) { - if(!methodBindingSet.add(binding)) { - // skip .. already exisiting binding .. - continue; - } - JavaMethodBindingEmitter emitter; - - // Emit private native Java entry point for calling this function pointer - emitter = - new JavaMethodBindingEmitter(binding, - javaWriter, - cfg.runtimeExceptionType(), - cfg.unsupportedExceptionType(), - false, // emitBody - cfg.tagNativeBinding(), // tagNativeBinding - true, // eraseBufferAndArrayTypes - useNIOOnly, - useNIODirectOnly, - false, // forDirectBufferImplementation - false, // forIndirectBufferAndArrayImplementation - false, // isUnimplemented - true, // isInterface - true, // isNativeMethod - true, // isPrivateNativeMethod - cfg); - if( null != docArrayLenExpr ) { - emitter.setReturnedArrayLengthExpression(docArrayLenExpr, true); - } - emitter.addModifier(JavaMethodBindingEmitter.PRIVATE); - emitter.addModifier(JavaMethodBindingEmitter.NATIVE); - emitter.emit(); - - // Emit (private) C entry point for calling this function pointer - final CMethodBindingEmitter cEmitter = - new CMethodBindingEmitter(binding, - jniWriter, - structClassPkgName, - containingJType.getName(), - true, // FIXME: this is optional at this point - false, - true, - false, // forIndirectBufferAndArrayImplementation - machDescJava, getConfiguration()); - cEmitter.setIsCStructFunctionPointer(false); - final String lenExprSet; - if( null != nativeArrayLenExpr ) { - final JavaType javaReturnType = binding.getJavaReturnType(); - if (javaReturnType.isNIOBuffer() || - javaReturnType.isCompoundTypeWrapper()) { - final Type retType = funcSym.getReturnType(); - final Type baseType = retType.getBaseElementType(); - lenExprSet = nativeArrayLenExpr+" * sizeof("+baseType.getName()+")"; - cEmitter.setReturnValueCapacityExpression( new MessageFormat(lenExprSet) ); - } else if (javaReturnType.isArray() || - javaReturnType.isArrayOfCompoundTypeWrappers()) { - lenExprSet = nativeArrayLenExpr; - cEmitter.setReturnValueLengthExpression( new MessageFormat(lenExprSet) ); - } else { - lenExprSet = null; - } - } else { - lenExprSet = null; - } - prepCEmitter(returnSizeLookupName, binding.getJavaReturnType(), cEmitter); - cEmitter.emit(); + jniUnit.emitln(); } } @@ -1466,39 +1415,29 @@ public class JavaEmitter implements GlueEmitter { return null; } } - private String getPointerArrayLengthExpr(final PointerType type, final String returnSizeLookupName) { - final String cfgVal = cfg.returnedArrayLength(returnSizeLookupName); - if( null != cfgVal ) { - return cfgVal; - } - return null; - } - - private static final String dummyFuncTypeName = "null *"; - private static final Type int32Type = new IntType("int32_t", SizeThunk.INT32, false, CVAttributes.CONST); - // private static final Type int8Type = new IntType("char", SizeThunk.INT8, false, 0); - // private static final Type int8PtrType = new PointerType(SizeThunk.POINTER, int8Type, 0); - private static final String nativeArrayLengthArg = "arrayLength"; - private static final String nativeArrayLengthONE = "1"; - private static final String nativeArrayElemOffsetArg = "elem_offset"; private boolean requiresGetCStringLength(final Type fieldType, final String returnSizeLookupName) { - if( !cfg.returnsString(returnSizeLookupName) ) { + if( !cfg.returnsString(returnSizeLookupName) && !cfg.returnsStringOnly(returnSizeLookupName) ) { return false; } final PointerType pointerType = fieldType.asPointer(); if( null != pointerType ) { - return null == getPointerArrayLengthExpr(pointerType, returnSizeLookupName); + return null == cfg.returnedArrayLength(returnSizeLookupName); } return false; } - private void generateArrayGetterSetterCode(final Set<MethodBinding> methodBindingSet, - final PrintWriter javaWriter, final PrintWriter jniWriter, + private static final String SetArrayArgs = "final int srcPos, final int destPos, final int length"; + private static final String SetArrayArgsCheck = " if( 0 > srcPos || 0 > destPos || 0 > length || srcPos + length > src.length ) { throw new IndexOutOfBoundsException(\"src[pos \"+srcPos+\", length \"+src.length+\"], destPos \"+destPos+\", length \"+length); }"; + private static final String GetArrayArgs = "final int destPos, final int length"; + private static final String GetArrayArgsCheck = " if( 0 > srcPos || 0 > destPos || 0 > length || destPos + length > dest.length ) { throw new IndexOutOfBoundsException(\"dest[pos \"+destPos+\", length \"+dest.length+\"], srcPos \"+srcPos+\", length \"+length); }"; + + + private void generateArrayGetterSetterCode(final JavaCodeUnit unit, final CompoundType structCType, - final String structCTypeName, final String structClassPkgName, - final Type containingCType, final JavaType containingJType, + final JavaType containingJType, final int i, final Field field, final String fieldName, + final boolean immutableAccess, final String returnSizeLookupName) throws Exception { final Type fieldType = field.getType(); final JavaType javaType; @@ -1517,423 +1456,699 @@ public class JavaEmitter implements GlueEmitter { // final String containingJTypeName = containingJType.getName(); final boolean isOpaque = isOpaque(fieldType); - final boolean isString = cfg.returnsString(returnSizeLookupName); // FIXME: Allow custom Charset ? US-ASCII, UTF-8 or UTF-16 ? - final boolean useGetCStringLength; - final String arrayLengthExpr; - final boolean arrayLengthExprIsConst; - final int[] arrayLengths; - final boolean useFixedTypeLen[] = { false }; + final boolean isStringOnly = cfg.returnsStringOnly(returnSizeLookupName); // exclude alternative ByteBuffer representation to String + final boolean isString = isStringOnly || cfg.returnsString(returnSizeLookupName); + if( isString ) { + unit.addTailCode(optStringCharsetCode); + } final boolean isPointer; final boolean isPrimitive; - final boolean isConst; + final boolean isConstValue; // Immutable 'const type value', immutable array 'const type value[]', or as mutable pointer 'const type * value' + final MethodAccess accessMod = MethodAccess.PUBLIC; + final String elemCountExpr; + final boolean constElemCount; // if true, implies native ownership of pointer referenced memory! + final boolean staticElemCount; final JavaType baseJElemType; final String baseJElemTypeName; - final boolean hasSingleElement; - final String capitalFieldName; - final String baseJElemTypeNameC; - final String baseJElemTypeNameU; - final boolean isByteBuffer; - final boolean baseCElemNativeSizeFixed; + final boolean primCElemFixedSize; // Is Primitive element size fixed? If not, use md.*_Size[] final String baseCElemSizeDenominator; - { - final Type baseCElemType; + final boolean useGetCStringLength; + final boolean maxOneElement; // zero or one element + if( isOpaque || javaType.isPrimitive() ) { + // Overridden by JavaConfiguration.typeInfo(..), i.e. Opaque! + // Emulating array w/ 1 element + isPrimitive = true; + isPointer = false; + isConstValue = fieldType.isConst(); + elemCountExpr = "1"; + constElemCount = true; + staticElemCount = true; + baseJElemType = null; + baseJElemTypeName = compatiblePrimitiveJavaTypeName(fieldType, javaType, machDescJava); + primCElemFixedSize = false; + baseCElemSizeDenominator = fieldType.isPointer() ? "pointer" : baseJElemTypeName ; + useGetCStringLength = false; + maxOneElement = true; + } else { final ArrayType arrayType = fieldType.asArray(); - String _arrayLengthExpr = null; - boolean _arrayLengthExprIsConst = false; - if( isOpaque || javaType.isPrimitive() ) { - // Overridden by JavaConfiguration.typeInfo(..), i.e. Opaque! - // Emulating array w/ 1 element - isPrimitive = true; - _arrayLengthExpr = nativeArrayLengthONE; - _arrayLengthExprIsConst = true; - arrayLengths = new int[] { 1 }; - baseCElemType = null; + final Type baseCElemType; + if( null != arrayType ) { + final int[][] arrayLengthRes = new int[1][]; + final boolean[] _useFixedArrayLen = { false }; + elemCountExpr = getArrayArrayLengthExpr(arrayType, returnSizeLookupName, _useFixedArrayLen, arrayLengthRes); + // final int arrayLength = arrayLengthRes[0][0]; + constElemCount = _useFixedArrayLen[0]; + staticElemCount = constElemCount; + baseCElemType = arrayType.getBaseElementType(); isPointer = false; - isConst = fieldType.isConst(); - baseJElemType = null; - baseJElemTypeName = compatiblePrimitiveJavaTypeName(fieldType, javaType, machDescJava); - baseCElemNativeSizeFixed = false; - baseCElemSizeDenominator = fieldType.isPointer() ? "pointer" : baseJElemTypeName ; + useGetCStringLength = false; } else { - if( null != arrayType ) { - final int[][] lengthRes = new int[1][]; - _arrayLengthExpr = getArrayArrayLengthExpr(arrayType, returnSizeLookupName, useFixedTypeLen, lengthRes); - _arrayLengthExprIsConst = true; - arrayLengths = lengthRes[0]; - baseCElemType = arrayType.getBaseElementType(); - isPointer = false; + final PointerType pointerType = fieldType.asPointer(); + final String _elemCountExpr = cfg.returnedArrayLength(returnSizeLookupName); + baseCElemType = pointerType.getBaseElementType(); + isPointer = true; + if( 1 != pointerType.pointerDepth() ) { + final String msg = "SKIP ptr-ptr (depth "+pointerType.pointerDepth()+"): "+returnSizeLookupName +": "+fieldType; + unit.emitln(" // "+msg); + unit.emitln(); + LOG.log(WARNING, structCType.getASTLocusTag(), msg); + return; + } + if( null == _elemCountExpr && isString ) { + useGetCStringLength = true; + unit.addTailCode(optStringMaxStrnlenCode); + elemCountExpr = "Buffers.strnlen(pString, _max_strnlen)+1"; + constElemCount = false; + staticElemCount = constElemCount; + } else if( null == _elemCountExpr ) { + useGetCStringLength = false; + elemCountExpr = "0"; + constElemCount = false; + staticElemCount = constElemCount; } else { - final PointerType pointerType = fieldType.asPointer(); - _arrayLengthExpr = getPointerArrayLengthExpr(pointerType, returnSizeLookupName); - _arrayLengthExprIsConst = false; - arrayLengths = null; - baseCElemType = pointerType.getBaseElementType(); - isPointer = true; - if( 1 != pointerType.pointerDepth() ) { - javaWriter.println(); - final String msg = "SKIP ptr-ptr (depth "+pointerType.pointerDepth()+"): "+returnSizeLookupName +": "+fieldType; - javaWriter.println(" // "+msg); - LOG.log(WARNING, structCType.getASTLocusTag(), msg); - return; + useGetCStringLength = false; + elemCountExpr = _elemCountExpr; + boolean _constElemCount = false; + boolean _staticElemCount = false; + + if( null != elemCountExpr ) { + // try constant intenger 1st + try { + Integer.parseInt(elemCountExpr); + _constElemCount = true; + _staticElemCount = true; + } catch (final Exception e ) {} + if( !_constElemCount ) { + // check for const length field + if( elemCountExpr.startsWith("get") && elemCountExpr.endsWith("()") ) { + final String lenFieldName = decapitalizeString( elemCountExpr.substring(3, elemCountExpr.length()-2) ); + final Field lenField = structCType.getField(lenFieldName); + if( null != lenField ) { + _constElemCount = lenField.getType().isConst(); + } + LOG.log(INFO, structCType.getASTLocusTag(), + unit.className+": elemCountExpr "+elemCountExpr+", lenFieldName "+lenFieldName+" -> "+lenField.toString()+", isConst "+_constElemCount); + } + } } + constElemCount = _constElemCount; + staticElemCount = _staticElemCount; } - if( GlueGen.debug() ) { - System.err.printf("SE.ac.%02d: baseCType %s%n", (i+1), baseCElemType.getDebugString()); - } - isPrimitive = baseCElemType.isPrimitive(); - isConst = baseCElemType.isConst(); + } + if( null == elemCountExpr ) { + final String msg = "SKIP unsized array in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); + unit.emitln(" // "+msg); + unit.emitln(); + LOG.log(WARNING, structCType.getASTLocusTag(), msg); + return; + } + boolean _maxOneElement = cfg.maxOneElement(returnSizeLookupName); + if( !_maxOneElement ) { try { - baseJElemType = typeToJavaType(baseCElemType, machDescJava); - } catch (final Exception e ) { - throw new GlueGenException("Error occurred while creating array/pointer accessor for field \"" + - returnSizeLookupName + "\", baseType "+baseCElemType.getDebugString()+", topType "+fieldType.getDebugString(), - fieldType.getASTLocusTag(), e); - } - baseJElemTypeName = baseJElemType.getName(); - baseCElemNativeSizeFixed = baseCElemType.isPrimitive() ? baseCElemType.getSize().hasFixedNativeSize() : true; - baseCElemSizeDenominator = baseCElemType.isPointer() ? "pointer" : baseJElemTypeName ; - - if( !baseCElemNativeSizeFixed ) { - javaWriter.println(); - final String msg = "SKIP primitive w/ platform dependent sized type in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); - javaWriter.println(" // "+msg); - LOG.log(WARNING, structCType.getASTLocusTag(), msg); - return; - } + _maxOneElement = 1 == Integer.parseInt(elemCountExpr); + } catch (final Exception e ) {} } + maxOneElement = _maxOneElement; if( GlueGen.debug() ) { - System.err.printf("SE.ac.%02d: baseJElemType %s%n", (i+1), (null != baseJElemType ? baseJElemType.getDebugString() : null)); + System.err.printf("SE.ac.%02d: baseCType %s%n", (i+1), baseCElemType.getDebugString()); } - capitalFieldName = capitalizeString(fieldName); - baseJElemTypeNameC = capitalizeString(baseJElemTypeName); - baseJElemTypeNameU = baseJElemTypeName.toUpperCase(); - isByteBuffer = "Byte".equals(baseJElemTypeNameC); - if( null == _arrayLengthExpr && isString && isPointer ) { - useGetCStringLength = true; - _arrayLengthExpr = "getCStringLengthImpl(pString)+1"; - _arrayLengthExprIsConst = false; - this.requiresStaticInitialization = true; - LOG.log(INFO, structCType.getASTLocusTag(), "StaticInit Trigger.3 \"{0}\"", returnSizeLookupName); - } else { - useGetCStringLength = false; + + isPrimitive = baseCElemType.isPrimitive(); + isConstValue = baseCElemType.isConst(); + try { + baseJElemType = typeToJavaType(baseCElemType, machDescJava); + } catch (final Exception e ) { + throw new GlueGenException("Error occurred while creating array/pointer accessor for field \"" + + returnSizeLookupName + "\", baseType "+baseCElemType.getDebugString()+", topType "+fieldType.getDebugString(), + fieldType.getASTLocusTag(), e); } - arrayLengthExpr = _arrayLengthExpr; - arrayLengthExprIsConst = _arrayLengthExprIsConst; - if( null == arrayLengthExpr ) { - javaWriter.println(); - final String msg = "SKIP unsized array in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); - javaWriter.println(" // "+msg); + baseJElemTypeName = baseJElemType.getName(); + primCElemFixedSize = isPrimitive ? baseCElemType.getSize().hasFixedNativeSize() : true; + baseCElemSizeDenominator = baseCElemType.isPointer() ? "pointer" : baseJElemTypeName ; + + if( !primCElemFixedSize ) { + final String msg = "SKIP primitive w/ platform dependent sized type in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); + unit.emitln(" // "+msg); + unit.emitln(); LOG.log(WARNING, structCType.getASTLocusTag(), msg); return; } - boolean _hasSingleElement=false; - try { - _hasSingleElement = 1 ==Integer.parseInt(_arrayLengthExpr); - } catch (final Exception e ) {} - hasSingleElement = _hasSingleElement; } if( GlueGen.debug() ) { - System.err.printf("SE.ac.%02d: baseJElemTypeName %s, array-lengths %s%n", (i+1), baseJElemTypeName, Arrays.toString(arrayLengths)); - System.err.printf("SE.ac.%02d: arrayLengthExpr: %s (const %b), hasSingleElement %b, isByteBuffer %b, isString %b, isPointer %b, isPrimitive %b, isOpaque %b, baseCElemNativeSizeFixed %b, baseCElemSizeDenominator %s, isConst %b, useGetCStringLength %b%n", - (i+1), arrayLengthExpr, arrayLengthExprIsConst, hasSingleElement, isByteBuffer, isString, isPointer, isPrimitive, isOpaque, - baseCElemNativeSizeFixed, baseCElemSizeDenominator, - isConst, useGetCStringLength); + System.err.printf("SE.ac.%02d: baseJElemType %s%n", (i+1), (null != baseJElemType ? baseJElemType.getDebugString() : null)); + } + // Collect fixed primitive-type mapping metrics + final Class<? extends Buffer> primJElemTypeBufferClazz; + final String primJElemTypeBufferName; + final int primElemSize; + final String primElemSizeExpr; + final boolean isByteBuffer; + if( isPrimitive ) { + primJElemTypeBufferClazz = Buffers.typeNameToBufferClass(baseJElemTypeName); + if( null == primJElemTypeBufferClazz ) { + final String msg = "Failed to map '"+baseJElemTypeName+"' to Buffer class, field "+field+", j-type "+baseJElemType; + unit.emitln(" // ERROR: "+msg); + unit.emitln(); + LOG.log(SEVERE, structCType.getASTLocusTag(), msg); + throw new InternalError(msg); + } + primJElemTypeBufferName = primJElemTypeBufferClazz.getSimpleName(); + primElemSize = Buffers.sizeOfBufferElem(primJElemTypeBufferClazz); + isByteBuffer = null != primJElemTypeBufferClazz ? ByteBuffer.class.isAssignableFrom(primJElemTypeBufferClazz) : false; + } else { + primJElemTypeBufferClazz = null; + primJElemTypeBufferName = null; + primElemSize = 0; + isByteBuffer = false; + } + if( primCElemFixedSize ) { + primElemSizeExpr = String.valueOf(primElemSize); + } else { + primElemSizeExpr = "md."+baseCElemSizeDenominator+"SizeInBytes()"; + } + + final String capitalFieldName = capitalizeString(fieldName); + final boolean ownElemCountHandling; + final String getElemCountFuncExpr, setElemCountLengthFunc; + if( constElemCount ) { + ownElemCountHandling = true; + getElemCountFuncExpr = "get"+capitalFieldName+"ElemCount()"; + setElemCountLengthFunc = null; + } else { + if( useGetCStringLength ) { + ownElemCountHandling = true; + getElemCountFuncExpr = "get"+capitalFieldName+"ElemCount()"; + setElemCountLengthFunc = null; + } else if( elemCountExpr.startsWith("get") && elemCountExpr.endsWith("()") ) { + ownElemCountHandling = false; + getElemCountFuncExpr = elemCountExpr; + setElemCountLengthFunc = "set" + elemCountExpr.substring(3, elemCountExpr.length()-2); + } else { + ownElemCountHandling = true; + getElemCountFuncExpr = "get"+capitalFieldName+"ElemCount()"; + setElemCountLengthFunc = "set"+capitalFieldName+"ElemCount"; + } + } + if( GlueGen.debug() ) { + System.err.printf("SE.ac.%02d: baseJElemTypeName %s%n", (i+1), baseJElemTypeName); + System.err.printf("SE.ac.%02d: elemCountExpr: %s (const %b), ownArrayLen %b, maxOneElement %b, "+ + "Primitive[buffer %s, fixedSize %b, elemSize %d, sizeDenom %s, sizeExpr %s, isByteBuffer %b], "+ + "isString[%b, only %b, strnlen %b], isPointer %b, isPrimitive %b, isOpaque %b, constVal %b, immutableAccess %b%n", + (i+1), elemCountExpr, constElemCount, ownElemCountHandling, maxOneElement, + primJElemTypeBufferName, primCElemFixedSize, primElemSize, baseCElemSizeDenominator, primElemSizeExpr, isByteBuffer, + isString, isStringOnly, useGetCStringLength, + isPointer, isPrimitive, isOpaque, isConstValue, immutableAccess); } // // Emit .. // - if( !hasSingleElement && useFixedTypeLen[0] ) { - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, arrayLengthExprIsConst, false, "final int", fieldName, capitalFieldName+"ArrayLength", null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" return "+arrayLengthExpr+";"); - javaWriter.println(" }"); + if( ownElemCountHandling ) { + if( constElemCount ) { + generateGetterSignature(unit, fieldType, staticElemCount, false, "int", fieldName, capitalFieldName+"ElemCount", null, constElemCount, elemCountExpr); + unit.emitln(" { return "+elemCountExpr+"; }"); + } else if( useGetCStringLength ) { + generateGetterSignature(unit, fieldType, staticElemCount, false, "int", fieldName, capitalFieldName+"ElemCount", null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" final long pString = PointerBuffer.wrap( accessor.slice(" + fieldName+"_offset[mdIdx], PointerBuffer.POINTER_SIZE) ).get(0);"); + unit.emitln(" return 0 != pString ? "+elemCountExpr+" : 0;"); + unit.emitln(" }"); + } else { + unit.emitln(" private int _"+fieldName+"ArrayLen = "+elemCountExpr+"; // "+(constElemCount ? "const" : "initial")+" array length"); + generateGetterSignature(unit, fieldType, staticElemCount, false, "int", fieldName, capitalFieldName+"ElemCount", null, constElemCount, elemCountExpr); + unit.emitln(" { return _"+fieldName+"ArrayLen; }"); + if( !immutableAccess ) { + generateSetterSignature(unit, fieldType, MethodAccess.PRIVATE, staticElemCount, false, "void", fieldName, capitalFieldName+"ElemCount", null, "int", null, constElemCount, elemCountExpr); + unit.emitln(" { _"+fieldName+"ArrayLen = src; }"); + } + } + unit.emitln(); + } + + // Null query for pointer + if( isPointer ) { + generateIsNullSignature(unit, fieldType, false, false, fieldName, capitalFieldName, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" return 0 == PointerBuffer.wrap(getBuffer(), "+fieldName+"_offset[mdIdx], 1).get(0);"); + unit.emitln(" }"); + unit.emitln(); + if( !constElemCount && !immutableAccess ) { + generateReleaseSignature(unit, fieldType, false, containingJTypeName, fieldName, capitalFieldName, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" accessor.setLongAt("+fieldName+"_offset[mdIdx], 0, md.pointerSizeInBytes()); // write nullptr"); + unit.emitln(" _eb"+capitalFieldName+" = null;"); + emitSetElemCount(unit, setElemCountLengthFunc, "0", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(); + } } - if( !isConst ) { - // Setter - javaWriter.println(); - if( isPrimitive ) { - // Setter Primitive + + // Setter + if( immutableAccess ) { + generateSetterAPIDoc(unit, "SKIP setter for immutable", fieldType, fieldName, constElemCount, elemCountExpr); + unit.emitln(); + } else if( isPointer && isConstValue && constElemCount ) { + generateSetterAPIDoc(unit, "SKIP setter for constValue constElemCount Pointer w/ native ownership", fieldType, fieldName, constElemCount, elemCountExpr); + unit.emitln(); + } else if( !isPointer && isConstValue ) { + generateSetterAPIDoc(unit, "SKIP setter for constValue Array", fieldType, fieldName, constElemCount, elemCountExpr); + unit.emitln(); + } else if( isPrimitive ) { + // Setter Primitive + if( maxOneElement ) { + // Setter Primitive Single Pointer + Array if( isPointer ) { - // Setter Primitive Pointer - final String msg = "SKIP setter for primitive-pointer type in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); - javaWriter.println(" // "+msg); - LOG.log(INFO, structCType.getASTLocusTag(), msg); - } else { - // Setter Primitive Array - if( hasSingleElement ) { - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, arrayLengthExpr); - javaWriter.println(" {"); - if( baseCElemNativeSizeFixed ) { - javaWriter.println(" accessor.set" + baseJElemTypeNameC + "At(" + fieldName+"_offset[mdIdx], val);"); + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, constElemCount, elemCountExpr); + if( isConstValue ) { + // constElemCount excluded: SKIP setter for constValue constElemCount Pointer w/ native ownership + unit.emitln(" {"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+primElemSizeExpr+", 1);"); + unit.emit (" eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".put(0, src);"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "1", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } else { + unit.emitln(" {"); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( 1 == elemCount ) {"); + unit.emitln(" ElementBuffer.derefPointer("+primElemSizeExpr+", 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); + unit.emit (" .getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".put(0, src);"); + unit.emitln(" } else {"); + if( constElemCount ) { + unit.emitln(" throw new RuntimeException(\"Primitive '"+fieldName+"' of constElemCount and maxOneElement has elemCount \"+elemCount);"); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); } else { - javaWriter.println(" accessor.set" + baseJElemTypeNameC + "At(" + fieldName+"_offset[mdIdx], val, md."+baseCElemSizeDenominator+"SizeInBytes());"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+primElemSizeExpr+", 1);"); + unit.emit (" eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".put(0, src);"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "1", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); } - javaWriter.println(" return this;"); - javaWriter.println(" }"); + } + } else { // array && !isConstValue + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" ElementBuffer.wrap("+primElemSizeExpr+", 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); + unit.emit (" .getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".put(0, src);"); + unit.emitln(" return this;"); + unit.emitln(" }"); + } // else SKIP setter for constValue Array + unit.emitln(); + } else { + // Setter Primitive n Pointer + Array + boolean addedElementBufferCache = false; + boolean doneString = false; + + if( isString && isByteBuffer && isPointer ) { // isConst is OK + // isConst && constElemCount excluded: SKIP setter for constValue constElemCount Pointer w/ native ownership + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, "String", null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" final byte[] srcBytes = src.getBytes(_charset);"); + if( constElemCount ) { + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( srcBytes.length + 1 != elemCount ) { throw new IllegalArgumentException(\"strlen+1 \"+(srcBytes.length+1)+\" != const elemCount \"+elemCount); };"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); } else { - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capitalFieldName, "final int offset", baseJElemTypeName+"[]", null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" if( offset + val.length > arrayLength ) { throw new IndexOutOfBoundsException(\"offset \"+offset+\" + val.length \"+val.length+\" > array-length \"+arrayLength); };"); - javaWriter.println(" final int elemSize = Buffers.SIZEOF_"+baseJElemTypeNameU+";"); - javaWriter.println(" final ByteBuffer destB = getBuffer();"); - javaWriter.println(" final int bTotal = arrayLength * elemSize;"); - javaWriter.println(" if( bTotal > "+fieldName+"_size[mdIdx] ) { throw new IndexOutOfBoundsException(\"bTotal \"+bTotal+\" > size \"+"+fieldName+"_size[mdIdx]+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" int bOffset = "+fieldName+"_offset[mdIdx];"); - javaWriter.println(" final int bLimes = bOffset + bTotal;"); - javaWriter.println(" if( bLimes > destB.limit() ) { throw new IndexOutOfBoundsException(\"bLimes \"+bLimes+\" > buffer.limit \"+destB.limit()+\", elemOff \"+bOffset+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" bOffset += elemSize * offset;"); - javaWriter.println(" accessor.set" + baseJElemTypeNameC + "sAt(bOffset, val);"); - javaWriter.println(" return this;"); - javaWriter.println(" }"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+primElemSizeExpr+", srcBytes.length + 1);"); + } + unit.emitln(" eb.getByteBuffer().put(srcBytes, 0, srcBytes.length).put((byte)0).rewind(); // w/ EOS"); + if( !constElemCount ) { + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "srcBytes.length + 1", !useGetCStringLength, capitalFieldName, structCType, " "); } + unit.emitln(" return this;"); + unit.emitln(" }"); + if( !constElemCount ) { + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + addedElementBufferCache = true; + doneString = true; + } + unit.emitln(); } - } else { - // Setter Struct + if( doneString && isStringOnly ) { + generateSetterAPIDoc(unit, "SKIP setter for String alternative (ByteBuffer)", fieldType, fieldName, constElemCount, elemCountExpr); + } else if( isConstValue ) { + if( isPointer ) { + // constElemCount excluded: SKIP setter for constValue constElemCount Pointer w/ native ownership + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int newElemCount = destPos + length;"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+primElemSizeExpr+", newElemCount);"); + unit.emit (" ( ( "+primJElemTypeBufferName+")(eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".position(destPos) ) ).put(src, srcPos, length).rewind();"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "newElemCount", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" return this;"); + unit.emitln(" }"); + if( !addedElementBufferCache ) { + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } + } // else SKIP setter for constValue Array + } else if( constElemCount || !isPointer ) { + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( destPos + length > elemCount ) { throw new IndexOutOfBoundsException(\"destPos \"+destPos+\" + length \"+length+\" > elemCount \"+elemCount); };"); + if( isPointer ) { + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + } else { + unit.emitln(" final ElementBuffer eb = ElementBuffer.wrap("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + } + unit.emit (" ( ( "+primJElemTypeBufferName+")(eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".position(destPos) ) ).put(src, srcPos, length).rewind();"); + unit.emitln(" return this;"); + unit.emitln(" }"); + } else /* if( !constElemCount && isPointer ) */ { + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( destPos + length <= elemCount ) {"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emit (" ( ( "+primJElemTypeBufferName+")(eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".position(destPos) ) ).put(src, srcPos, length).rewind();"); + unit.emitln(" } else {"); + unit.emitln(" final int newElemCount = destPos + length;"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+primElemSizeExpr+", newElemCount);"); + unit.emit (" ( ( "+primJElemTypeBufferName+")(eb.getByteBuffer()"); + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".position(destPos) ) ).put(src, srcPos, length).rewind();"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "newElemCount", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + if( !addedElementBufferCache ) { + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } + } + unit.emitln(); + } + } else { + // Setter Struct + if( maxOneElement ) { + // Setter Struct Single Pointer + Array if( isPointer ) { - // Setter Struct Pointer - final String msg = "SKIP setter for complex-pointer type in struct: "+returnSizeLookupName+": "+fieldType.getDebugString(); - javaWriter.println(" // "+msg); - LOG.log(INFO, structCType.getASTLocusTag(), msg); - } else { - // Setter Struct Array - if( hasSingleElement ) { - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int elemSize = "+baseJElemTypeName+".size();"); - javaWriter.println(" final ByteBuffer destB = getBuffer();"); - javaWriter.println(" if( elemSize > "+fieldName+"_size[mdIdx] ) { throw new IndexOutOfBoundsException(\"elemSize \"+elemSize+\" > size \"+"+fieldName+"_size[mdIdx]); };"); - javaWriter.println(" int bOffset = "+fieldName+"_offset[mdIdx];"); - javaWriter.println(" final int bLimes = bOffset + elemSize;"); - javaWriter.println(" if( bLimes > destB.limit() ) { throw new IndexOutOfBoundsException(\"bLimes \"+bLimes+\" > buffer.limit \"+destB.limit()+\", elemOff \"+bOffset+\", elemSize \"+elemSize); };"); - javaWriter.println(" final ByteBuffer sourceB = val.getBuffer();"); - javaWriter.println(" for(int f=0; f<elemSize; f++) {"); - javaWriter.println(" if( bOffset >= bLimes ) { throw new IndexOutOfBoundsException(\"elem-byte[0][\"+f+\"]: bOffset \"+bOffset+\" >= bLimes \"+bLimes+\", elemSize \"+elemSize); };"); - javaWriter.println(" destB.put(bOffset++, sourceB.get(f));"); - javaWriter.println(" }"); - javaWriter.println(" return this;"); - javaWriter.println(" }"); + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, constElemCount, elemCountExpr); + if( isConstValue ) { + // constElemCount excluded: SKIP setter for constValue constElemCount Pointer w/ native ownership + unit.emitln(" {"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+baseJElemTypeName+".size(), 1);"); + unit.emitln(" eb.put(0, src.getBuffer());"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "1", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } else { + unit.emitln(" {"); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( 1 == elemCount ) {"); + unit.emitln(" ElementBuffer.derefPointer("+baseJElemTypeName+".size(), 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); + unit.emitln(" .put(0, src.getBuffer());"); + unit.emitln(" } else {"); + if( constElemCount ) { + unit.emitln(" throw new RuntimeException(\"Primitive '"+fieldName+"' of constElemCount and maxOneElement has elemCount \"+elemCount);"); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + } else { + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+baseJElemTypeName+".size(), 1);"); + unit.emitln(" eb.put(0, src.getBuffer());"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "1", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } + } + } else if( !isConstValue ) { // array && !isConstValue + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" ElementBuffer.wrap("+baseJElemTypeName+".size(), 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); + unit.emitln(" .put(0, src.getBuffer());"); + unit.emitln(" return this;"); + unit.emitln(" }"); + } // else SKIP setter for constValue Array + unit.emitln(); + } else { + // Setter Struct n Pointer + Array + if( isConstValue ) { + if( isPointer ) { + // constElemCount excluded: SKIP setter for constValue constElemCount Pointer w/ native ownership + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int newElemCount = destPos + length;"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+baseJElemTypeName+".size(), newElemCount);"); + unit.emitln(" for(int i=0; i<length; ++i) {"); + unit.emitln(" eb.put(destPos+i, src[srcPos+i].getBuffer());"); + unit.emitln(" }"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "newElemCount", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } // else SKIP setter for constValue Array + } else if( constElemCount || !isPointer ) { + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( destPos + length > elemCount ) { throw new IndexOutOfBoundsException(\"destPos \"+destPos+\" + length \"+length+\" > elemCount \"+elemCount); };"); + if( isPointer ) { + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + } else { + unit.emitln(" final ElementBuffer eb = ElementBuffer.wrap("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + } + unit.emitln(" for(int i=0; i<length; ++i) {"); + unit.emitln(" eb.put(destPos+i, src[srcPos+i].getBuffer());"); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + } else /* if( !constElemCount && isPointer ) */ { + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, null, baseJElemTypeName+"[]", SetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(SetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( destPos + length <= elemCount ) {"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" for(int i=0; i<length; ++i) {"); + unit.emitln(" eb.put(destPos+i, src[srcPos+i].getBuffer());"); + unit.emitln(" }"); + unit.emitln(" } else {"); + unit.emitln(" final int newElemCount = destPos + length;"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.allocateDirect("+baseJElemTypeName+".size(), newElemCount);"); + unit.emitln(" for(int i=0; i<length; ++i) {"); + unit.emitln(" eb.put(destPos+i, src[srcPos+i].getBuffer());"); + unit.emitln(" }"); + unit.emitln(" eb.storeDirectAddress(getBuffer(), "+fieldName+"_offset[mdIdx]);"); + unit.emitln(" _eb"+capitalFieldName+" = eb;"); + emitSetElemCount(unit, setElemCountLengthFunc, "newElemCount", !useGetCStringLength, capitalFieldName, structCType, " "); + unit.emitln(" }"); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(" @SuppressWarnings(\"unused\")"); + unit.emitln(" private ElementBuffer _eb"+capitalFieldName+"; // cache new memory buffer ensuring same lifecycle"); + } + unit.emitln(); + if( !isConstValue ) { + generateSetterSignature(unit, fieldType, accessMod, false, false, containingJTypeName, fieldName, capitalFieldName, "final int destPos", baseJElemTypeName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( destPos + 1 > elemCount ) { throw new IndexOutOfBoundsException(\"destPos \"+destPos+\" + 1 > elemCount \"+elemCount); };"); + if( isPointer ) { + unit.emitln(" ElementBuffer.derefPointer("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx])"); } else { - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capitalFieldName, "final int offset", baseJElemTypeName+"[]", null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" if( offset + val.length > arrayLength ) { throw new IndexOutOfBoundsException(\"offset \"+offset+\" + val.length \"+val.length+\" > array-length \"+arrayLength); };"); - javaWriter.println(" final int elemSize = "+baseJElemTypeName+".size();"); - javaWriter.println(" final ByteBuffer destB = getBuffer();"); - javaWriter.println(" final int bTotal = arrayLength * elemSize;"); - javaWriter.println(" if( bTotal > "+fieldName+"_size[mdIdx] ) { throw new IndexOutOfBoundsException(\"bTotal \"+bTotal+\" > size \"+"+fieldName+"_size[mdIdx]+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" int bOffset = "+fieldName+"_offset[mdIdx];"); - javaWriter.println(" final int bLimes = bOffset + bTotal;"); - javaWriter.println(" if( bLimes > destB.limit() ) { throw new IndexOutOfBoundsException(\"bLimes \"+bLimes+\" > buffer.limit \"+destB.limit()+\", elemOff \"+bOffset+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" bOffset += elemSize * offset;"); - javaWriter.println(" for(int index=0; index<val.length; index++) {"); - javaWriter.println(" final ByteBuffer sourceB = val[index].getBuffer();"); - javaWriter.println(" for(int f=0; f<elemSize; f++) {"); - javaWriter.println(" if( bOffset >= bLimes ) { throw new IndexOutOfBoundsException(\"elem-byte[\"+(offset+index)+\"][\"+f+\"]: bOffset \"+bOffset+\" >= bLimes \"+bLimes+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" destB.put(bOffset++, sourceB.get(f));"); - javaWriter.println(" }"); - javaWriter.println(" }"); - javaWriter.println(" return this;"); - javaWriter.println(" }"); - javaWriter.println(); - generateSetterSignature(javaWriter, fieldType, false, containingJTypeName, fieldName, capitalFieldName, "final int index", baseJElemTypeName, null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" final int elemSize = "+baseJElemTypeName+".size();"); - javaWriter.println(" final ByteBuffer destB = getBuffer();"); - javaWriter.println(" final int bTotal = arrayLength * elemSize;"); - javaWriter.println(" if( bTotal > "+fieldName+"_size[mdIdx] ) { throw new IndexOutOfBoundsException(\"bTotal \"+bTotal+\" > size \"+"+fieldName+"_size[mdIdx]+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" int bOffset = "+fieldName+"_offset[mdIdx];"); - javaWriter.println(" final int bLimes = bOffset + bTotal;"); - javaWriter.println(" if( bLimes > destB.limit() ) { throw new IndexOutOfBoundsException(\"bLimes \"+bLimes+\" > buffer.limit \"+destB.limit()+\", elemOff \"+bOffset+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" bOffset += elemSize * index;"); - javaWriter.println(" final ByteBuffer sourceB = val.getBuffer();"); - javaWriter.println(" for(int f=0; f<elemSize; f++) {"); - javaWriter.println(" if( bOffset >= bLimes ) { throw new IndexOutOfBoundsException(\"elem-byte[\"+index+\"][\"+f+\"]: bOffset \"+bOffset+\" >= bLimes \"+bLimes+\", elemSize \"+elemSize+\" * \"+arrayLength); };"); - javaWriter.println(" destB.put(bOffset++, sourceB.get(f));"); - javaWriter.println(" }"); - javaWriter.println(" return this;"); - javaWriter.println(" }"); + unit.emitln(" ElementBuffer.wrap("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx])"); } + unit.emitln(" .put(destPos, src.getBuffer());"); + unit.emitln(" return this;"); + unit.emitln(" }"); + unit.emitln(); } } } + // Getter - javaWriter.println(); if( isPrimitive ) { - // Getter Primitive - if( isPointer ) { - // Getter Primitive Pointer - final FunctionType ft = new FunctionType(dummyFuncTypeName, SizeThunk.POINTER, fieldType, 0); - ft.addArgument(containingCType.newCVVariant(containingCType.getCVAttributes() | CVAttributes.CONST), - CMethodBindingEmitter.cThisArgumentName()); - ft.addArgument(int32Type, nativeArrayLengthArg); - final FunctionSymbol fs = new FunctionSymbol("get"+capitalFieldName, ft); - jniWriter.println(); - jniWriter.print("static "+fs.toString(false)); - jniWriter.println("{"); - jniWriter.println(" return "+CMethodBindingEmitter.cThisArgumentName()+"->"+field.getName()+";"); - jniWriter.println("}"); - jniWriter.println(); - generateArrayPointerCode(methodBindingSet, javaWriter, jniWriter, structCTypeName, structClassPkgName, - containingCType, containingJType, i, fs, returnSizeLookupName, arrayLengthExpr, nativeArrayLengthArg); - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeNameC+"Buffer", fieldName, capitalFieldName, null, arrayLengthExpr); - javaWriter.println(" {"); - if( useGetCStringLength ) { - javaWriter.println(" final int arrayLength = get"+capitalFieldName+"ArrayLength();"); + // Getter Primitive Pointer + Array + if( maxOneElement ) { + generateGetterSignature(unit, fieldType, false, false, baseJElemTypeName, fieldName, capitalFieldName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + if( isPointer ) { + unit.emitln(" return ElementBuffer.derefPointer("+primElemSizeExpr+", 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); } else { - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); + unit.emitln(" return ElementBuffer.wrap("+primElemSizeExpr+", 1, getBuffer(), "+fieldName+"_offset[mdIdx])"); } - javaWriter.println(" final ByteBuffer _res = get"+capitalFieldName+"0(getBuffer(), arrayLength);"); - javaWriter.println(" if (_res == null) return null;"); - javaWriter.print(" return Buffers.nativeOrder(_res)"); + unit.emit (" .getByteBuffer()"); if( !isByteBuffer ) { - javaWriter.print(".as"+baseJElemTypeNameC+"Buffer()"); + unit.emit(".as"+primJElemTypeBufferName+"()"); } - javaWriter.println(";"); - javaWriter.println(" }"); + unit.emitln(".get(0);"); + unit.emitln(" }"); + unit.emitln(); + } else { + boolean doneString = false; if( isString && isByteBuffer ) { - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, false, false, "String", fieldName, capitalFieldName+"AsString", null, arrayLengthExpr); - javaWriter.println(" {"); - if( useGetCStringLength ) { - javaWriter.println(" final int arrayLength = get"+capitalFieldName+"ArrayLength();"); + generateGetterSignature(unit, fieldType, false, false, "String", fieldName, capitalFieldName+(isStringOnly?"":"AsString"), null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + if( isPointer ) { + unit.emitln(" final ByteBuffer bb = ElementBuffer.derefPointer("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer();"); } else { - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); + unit.emitln(" final ByteBuffer bb = ElementBuffer.wrap("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer();"); } - javaWriter.println(" final ByteBuffer bb = get"+capitalFieldName+"0(getBuffer(), arrayLength);"); - javaWriter.println(" if (bb == null) return null;"); - javaWriter.println(" final byte[] ba = new byte[arrayLength];"); - javaWriter.println(" int i = -1;"); - javaWriter.println(" while( ++i < arrayLength ) {"); - javaWriter.println(" ba[i] = bb.get(i);"); - javaWriter.println(" if( (byte)0 == ba[i] ) break;"); - javaWriter.println(" }"); - javaWriter.println(" return new String(ba, 0, i);"); - javaWriter.println(" }"); - } - if( useGetCStringLength ) { - javaWriter.println(); - generateGetterSignature(javaWriter, fieldType, false, false, "final int", fieldName, capitalFieldName+"ArrayLength", null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final long pString = PointerBuffer.wrap( accessor.slice(" + fieldName+"_offset[mdIdx], PointerBuffer.ELEMENT_SIZE) ).get(0);"); - javaWriter.println(" return "+arrayLengthExpr+";"); - javaWriter.println(" }"); + unit.emitln(" final byte[] ba = new byte[elemCount];"); + unit.emitln(" int i = -1;"); + unit.emitln(" while( ++i < elemCount ) {"); + unit.emitln(" ba[i] = bb.get(i);"); + unit.emitln(" if( (byte)0 == ba[i] ) break;"); + unit.emitln(" }"); + unit.emitln(" return new String(ba, 0, i, _charset);"); + unit.emitln(" }"); + unit.emitln(); + doneString = true; } - } else { - // Getter Primitive Array - if( hasSingleElement ) { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName, fieldName, capitalFieldName, null, arrayLengthExpr); - javaWriter.println(" {"); - if( baseCElemNativeSizeFixed ) { - javaWriter.println(" return accessor.get" + baseJElemTypeNameC + "At(" + fieldName+"_offset[mdIdx]);"); + if( doneString && isStringOnly ) { + generateSetterAPIDoc(unit, "SKIP getter for String alternative (ByteBuffer)", fieldType, fieldName, constElemCount, elemCountExpr); + unit.emitln(); + } else { + generateGetterSignature(unit, fieldType, false, false, primJElemTypeBufferName, fieldName, capitalFieldName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + if( isPointer ) { + unit.emitln(" return ElementBuffer.derefPointer("+primElemSizeExpr+", "+getElemCountFuncExpr+", getBuffer(), "+fieldName+"_offset[mdIdx])"); } else { - javaWriter.println(" return accessor.get" + baseJElemTypeNameC + "At(" + fieldName+"_offset[mdIdx], md."+baseCElemSizeDenominator+"SizeInBytes());"); + unit.emitln(" return ElementBuffer.wrap("+primElemSizeExpr+", "+getElemCountFuncExpr+", getBuffer(), "+fieldName+"_offset[mdIdx])"); } - javaWriter.println(" }"); - javaWriter.println(); - } else { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeNameC+"Buffer", fieldName, capitalFieldName, null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.print(" return accessor.slice(" + fieldName+"_offset[mdIdx], Buffers.SIZEOF_"+baseJElemTypeNameU+" * "+arrayLengthExpr+")"); + unit.emit (" .getByteBuffer()"); if( !isByteBuffer ) { - javaWriter.print(".as"+baseJElemTypeNameC+"Buffer()"); + unit.emit(".as"+primJElemTypeBufferName+"()"); } - javaWriter.println(";"); - javaWriter.println(" }"); - javaWriter.println(); - if( isString && isByteBuffer ) { - generateGetterSignature(javaWriter, fieldType, false, false, "String", fieldName, capitalFieldName+"AsString", null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int offset = " + fieldName+"_offset[mdIdx];"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" final ByteBuffer bb = getBuffer();"); - javaWriter.println(" final byte[] ba = new byte[arrayLength];"); - javaWriter.println(" int i = -1;"); - javaWriter.println(" while( ++i < arrayLength ) {"); - javaWriter.println(" ba[i] = bb.get(offset+i);"); - javaWriter.println(" if( (byte)0 == ba[i] ) break;"); - javaWriter.println(" }"); - javaWriter.println(" return new String(ba, 0, i);"); - javaWriter.println(" }"); + unit.emitln(";"); + unit.emitln(" }"); + unit.emitln(); + } + if( !doneString ) { + generateGetterSignature(unit, fieldType, false, false, baseJElemTypeName+"[]", fieldName, capitalFieldName, "final int srcPos, "+baseJElemTypeName+" dest[], "+GetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(GetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( srcPos + length > elemCount ) { throw new IndexOutOfBoundsException(\"srcPos \"+srcPos+\" + length \"+length+\" > elemCount \"+elemCount); };"); + unit.emit (" ( ("+primJElemTypeBufferName+")( "); + if( isPointer ) { + unit.emit("ElementBuffer.derefPointer("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer()"); } else { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName+"[]", fieldName, capitalFieldName, "final int offset, "+baseJElemTypeName+" result[]", arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" if( offset + result.length > arrayLength ) { throw new IndexOutOfBoundsException(\"offset \"+offset+\" + result.length \"+result.length+\" > array-length \"+arrayLength); };"); - javaWriter.println(" return accessor.get" + baseJElemTypeNameC + "sAt(" + fieldName+"_offset[mdIdx] + (Buffers.SIZEOF_"+baseJElemTypeNameU+" * offset), result);"); - javaWriter.println(" }"); - javaWriter.println(); + unit.emit("ElementBuffer.wrap("+primElemSizeExpr+", elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer()"); } + if( !isByteBuffer ) { + unit.emit(".as"+primJElemTypeBufferName+"()"); + } + unit.emitln(".position(srcPos) ) )"); + unit.emitln(" .get(dest, destPos, length).rewind();"); + unit.emitln(" return dest;"); + unit.emitln(" }"); + unit.emitln(); } } } else { - // Getter Struct - if( isPointer ) { - // Getter Struct Pointer - final FunctionType ft = new FunctionType(dummyFuncTypeName, SizeThunk.POINTER, fieldType, 0); - ft.addArgument(containingCType.newCVVariant(containingCType.getCVAttributes() | CVAttributes.CONST), - CMethodBindingEmitter.cThisArgumentName()); - ft.addArgument(int32Type, nativeArrayElemOffsetArg); - final FunctionSymbol fs = new FunctionSymbol("get"+capitalFieldName, ft); - jniWriter.println(); - jniWriter.print("static "+fs.toString(false)); - jniWriter.println("{"); - jniWriter.println(" return "+CMethodBindingEmitter.cThisArgumentName()+"->"+field.getName()+"+"+nativeArrayElemOffsetArg+";"); - jniWriter.println("}"); - jniWriter.println(); - generateArrayPointerCode(methodBindingSet, javaWriter, jniWriter, structCTypeName, structClassPkgName, - containingCType, containingJType, i, fs, returnSizeLookupName, arrayLengthExpr, nativeArrayLengthONE); - javaWriter.println(); - if( hasSingleElement ) { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName, fieldName, capitalFieldName, null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final ByteBuffer source = getBuffer();"); - javaWriter.println(" final ByteBuffer _res = get"+capitalFieldName+"0(source, 0);"); - javaWriter.println(" if (_res == null) return null;"); - javaWriter.println(" return "+baseJElemTypeName+".create(_res);"); - javaWriter.println(" }"); + // Getter Struct Pointer + Array + if( maxOneElement ) { + generateGetterSignature(unit, fieldType, false, false, baseJElemTypeName, fieldName, capitalFieldName, null, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(" return "+baseJElemTypeName+".create("); + if( isPointer ) { + unit.emitln(" ElementBuffer.derefPointer("+baseJElemTypeName+".size(), 1, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer() );"); } else { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName+"[]", fieldName, capitalFieldName, "final int offset, "+baseJElemTypeName+" result[]", arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" if( offset + result.length > arrayLength ) { throw new IndexOutOfBoundsException(\"offset \"+offset+\" + result.length \"+result.length+\" > array-length \"+arrayLength); };"); - javaWriter.println(" final ByteBuffer source = getBuffer();"); - javaWriter.println(" for(int index=0; index<result.length; index++) {"); - javaWriter.println(" final ByteBuffer _res = get"+capitalFieldName+"0(source, offset+index);"); - javaWriter.println(" if (_res == null) return null;"); - javaWriter.println(" result[index] = "+baseJElemTypeName+".create(_res);"); - javaWriter.println(" }"); - javaWriter.println(" return result;"); - javaWriter.println(" }"); + unit.emitln(" ElementBuffer.wrap("+baseJElemTypeName+".size(), 1, getBuffer(), "+fieldName+"_offset[mdIdx]).getByteBuffer() );"); } + unit.emitln(" }"); + unit.emitln(); } else { - // Getter Struct Array - if( hasSingleElement ) { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName, fieldName, capitalFieldName, null, arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" return "+baseJElemTypeName+".create(accessor.slice("+fieldName+"_offset[mdIdx], "+baseJElemTypeName+".size()));"); - javaWriter.println(" }"); + generateGetterSignature(unit, fieldType, false, false, baseJElemTypeName+"[]", fieldName, capitalFieldName, "final int srcPos, "+baseJElemTypeName+" dest[], "+GetArrayArgs, constElemCount, elemCountExpr); + unit.emitln(" {"); + unit.emitln(GetArrayArgsCheck); + unit.emitln(" final int elemCount = "+getElemCountFuncExpr+";"); + unit.emitln(" if( srcPos + length > elemCount ) { throw new IndexOutOfBoundsException(\"srcPos \"+srcPos+\" + length \"+length+\" > elemCount \"+elemCount); };"); + if( isPointer ) { + unit.emitln(" final ElementBuffer eb = ElementBuffer.derefPointer("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); } else { - generateGetterSignature(javaWriter, fieldType, false, false, baseJElemTypeName+"[]", fieldName, capitalFieldName, "final int offset, "+baseJElemTypeName+" result[]", arrayLengthExpr); - javaWriter.println(" {"); - javaWriter.println(" final int arrayLength = "+arrayLengthExpr+";"); - javaWriter.println(" if( offset + result.length > arrayLength ) { throw new IndexOutOfBoundsException(\"offset \"+offset+\" + result.length \"+result.length+\" > array-length \"+arrayLength); };"); - javaWriter.println(" final int elemSize = "+baseJElemTypeName+".size();"); - javaWriter.println(" int bOffset = "+fieldName+"_offset[mdIdx] + ( elemSize * offset );"); - javaWriter.println(" for(int index=0; index<result.length; index++) {"); - javaWriter.println(" result[index] = "+baseJElemTypeName+".create(accessor.slice(bOffset, elemSize));"); - javaWriter.println(" bOffset += elemSize;"); - javaWriter.println(" }"); - javaWriter.println(" return result;"); - javaWriter.println(" }"); + unit.emitln(" final ElementBuffer eb = ElementBuffer.wrap("+baseJElemTypeName+".size(), elemCount, getBuffer(), "+fieldName+"_offset[mdIdx]);"); } + unit.emitln(" for(int i=0; i<length; ++i) {"); + unit.emitln(" dest[destPos+i] = "+baseJElemTypeName+".create( eb.slice(srcPos+i, 1) );"); + unit.emitln(" }"); + unit.emitln(" return dest;"); + unit.emitln(" }"); + unit.emitln(); } } } + private void emitSetElemCount(final JavaCodeUnit unit, final String setElemCountFunc, final String newElemCountExpr, final boolean mandatory, final String capitalFieldName, final Type structCType, final String indentation) { + if( null != setElemCountFunc ) { + unit.emitln(indentation+setElemCountFunc+"( "+newElemCountExpr+" );"); + } else if( mandatory ) { + final String msg = "Missing set"+capitalFieldName+"ElemCount( "+newElemCountExpr+" )"; + unit.emitln(indentation+"// ERROR: "+msg); + unit.emitln(); + LOG.log(SEVERE, structCType.getASTLocusTag(), msg); + throw new RuntimeException(msg); + } + } private JavaType typeToJavaType(final Type cType, final MachineDataInfo curMachDesc) { final JavaType jt = typeToJavaTypeImpl(cType, curMachDesc); @@ -2180,18 +2395,23 @@ public class JavaEmitter implements GlueEmitter { /** * @param filename the class's full filename to open w/ write access - * @param simpleClassName the simple class name, i.e. w/o package name - * @return a {@link PrintWriter} instance to write the class source file or <code>null</code> to suppress output! + * @param cUnitName the base c-unit name, i.e. c-file basename with suffix + * @param generator informal optional object that is creating this unit, used to be mentioned in a warning message if not null. * @throws IOException */ - protected PrintWriter openFile(final String filename, final String simpleClassName) throws IOException { - //System.out.println("Trying to open: " + filename); - final File file = new File(filename); - final String parentDir = file.getParent(); - if (parentDir != null) { - new File(parentDir).mkdirs(); - } - return new PrintWriter(new BufferedWriter(new FileWriter(file))); + protected CCodeUnit openCUnit(final String filename, final String cUnitName) throws IOException { + return new CCodeUnit(filename, cUnitName, this); + } + + /** + * @param filename the class's full filename to open w/ write access + * @param packageName the package name of the class + * @param simpleClassName the simple class name, i.e. w/o package name or c-file basename + * @param generator informal optional object that is creating this unit, used to be mentioned in a warning message if not null. + * @throws IOException + */ + protected JavaCodeUnit openJavaUnit(final String filename, final String packageName, final String simpleClassName) throws IOException { + return new JavaCodeUnit(filename, packageName, simpleClassName, this); } private boolean isOpaque(final Type type) { @@ -2217,7 +2437,7 @@ public class JavaEmitter implements GlueEmitter { } } - private void openWriters() throws IOException { + private void openCodeUnits() throws IOException { String jRoot = null; if (cfg.allStatic() || cfg.emitInterface()) { jRoot = cfg.javaOutputDir() + File.separator + @@ -2237,74 +2457,54 @@ public class JavaEmitter implements GlueEmitter { } if (cfg.allStatic() || cfg.emitInterface()) { - javaFileName = jRoot + File.separator + cfg.className() + ".java"; - javaWriter = openFile(javaFileName, cfg.className()); + final String javaFileName = jRoot + File.separator + cfg.className() + ".java"; + javaUnit = openJavaUnit(javaFileName, cfg.packageName(), cfg.className()); } if (!cfg.allStatic() && cfg.emitImpl()) { - javaFileName = jImplRoot + File.separator + cfg.implClassName() + ".java"; - javaImplWriter = openFile(javaFileName, cfg.implClassName()); + final String javaFileName = jImplRoot + File.separator + cfg.implClassName() + ".java"; + javaImplUnit = openJavaUnit(javaFileName, cfg.implPackageName(), cfg.implClassName()); } if (cfg.emitImpl()) { - cFileName = nRoot + File.separator + cfg.implClassName() + "_JNI.c"; - cWriter = openFile(cFileName, cfg.implClassName()); - } - - if (javaWriter != null) { - CodeGenUtils.emitAutogeneratedWarning(javaWriter, this); - } - if (javaImplWriter != null) { - CodeGenUtils.emitAutogeneratedWarning(javaImplWriter, this); - } - if (cWriter != null) { - CodeGenUtils.emitAutogeneratedWarning(cWriter, this); + final String cUnitName = cfg.implClassName() + "_JNI.c"; + final String cFileName = nRoot + File.separator + cUnitName; + cUnit = openCUnit(cFileName, cUnitName); } } - /** For {@link #javaWriter} or {@link #javaImplWriter} */ - protected String javaFileName() { return javaFileName; } - - protected PrintWriter javaWriter() { + protected JavaCodeUnit javaUnit() { if (!cfg.allStatic() && !cfg.emitInterface()) { throw new InternalError("Should not call this"); } - return javaWriter; + return javaUnit; } - protected PrintWriter javaImplWriter() { + protected JavaCodeUnit javaImplUnit() { if (cfg.allStatic() || !cfg.emitImpl()) { throw new InternalError("Should not call this"); } - return javaImplWriter; + return javaImplUnit; } - /** For {@link #cImplWriter} */ - protected String cFileName() { return cFileName; } - - protected PrintWriter cWriter() { + protected CCodeUnit cUnit() { if (!cfg.emitImpl()) { throw new InternalError("Should not call this"); } - return cWriter; - } - - private void closeWriter(final PrintWriter writer) throws IOException { - writer.flush(); - writer.close(); + return cUnit; } private void closeWriters() throws IOException { - if (javaWriter != null) { - closeWriter(javaWriter); + if( javaUnit != null ) { + javaUnit.close(); + javaUnit = null; } - if (javaImplWriter != null) { - closeWriter(javaImplWriter); + if( javaImplUnit != null ) { + javaImplUnit.close(); + javaImplUnit = null; } - if (cWriter != null) { - closeWriter(cWriter); + if( cUnit != null ) { + cUnit.close(); + cUnit = null; } - javaWriter = null; - javaImplWriter = null; - cWriter = null; } /** @@ -2335,17 +2535,17 @@ public class JavaEmitter implements GlueEmitter { * Emit all the strings specified in the "CustomJavaCode" parameters of * the configuration file. */ - protected void emitCustomJavaCode(final PrintWriter writer, final String className) throws Exception { + protected void emitCustomJavaCode(final CodeUnit unit, final String className) throws Exception { final List<String> code = cfg.customJavaCodeForClass(className); if (code.isEmpty()) return; - writer.println(); - writer.println(" // --- Begin CustomJavaCode .cfg declarations"); + unit.emitln(); + unit.emitln(" // --- Begin CustomJavaCode .cfg declarations"); for (final String line : code) { - writer.println(line); + unit.emitln(line); } - writer.println(" // ---- End CustomJavaCode .cfg declarations"); + unit.emitln(" // ---- End CustomJavaCode .cfg declarations"); } public String[] getClassAccessModifiers(final String classFQName) { @@ -2371,11 +2571,13 @@ public class JavaEmitter implements GlueEmitter { */ protected void emitAllFileHeaders() throws IOException { try { - final List<String> imports = new ArrayList<String>(cfg.imports()); - imports.add(cfg.gluegenRuntimePackage()+".*"); - imports.add(DynamicLookupHelper.class.getPackage().getName()+".*"); - imports.add(Buffers.class.getPackage().getName()+".*"); - imports.add(Buffer.class.getPackage().getName()+".*"); + final List<String> imports = new ArrayList<String>(cfg.imports()); + imports.add(cfg.gluegenRuntimePackage()+".*"); + imports.add(DynamicLookupHelper.class.getPackage().getName()+".*"); + imports.add(Buffers.class.getPackage().getName()+".*"); + imports.add(Buffer.class.getPackage().getName()+".*"); + imports.add("java.nio.charset.Charset"); + imports.add("java.nio.charset.StandardCharsets"); if (cfg.allStatic() || cfg.emitInterface()) { @@ -2402,7 +2604,7 @@ public class JavaEmitter implements GlueEmitter { final String[] accessModifiers = getClassAccessModifiers(cfg.className()); CodeGenUtils.emitJavaHeaders( - javaWriter, + javaUnit().output, cfg.packageName(), cfg.className(), cfg.allStatic() ? true : false, @@ -2440,7 +2642,7 @@ public class JavaEmitter implements GlueEmitter { final String[] accessModifiers = getClassAccessModifiers(cfg.implClassName()); CodeGenUtils.emitJavaHeaders( - javaImplWriter, + javaImplUnit().output, cfg.implPackageName(), cfg.implClassName(), true, @@ -2452,7 +2654,7 @@ public class JavaEmitter implements GlueEmitter { } if (cfg.emitImpl()) { - emitCHeader(cWriter(), getImplPackageName(), cfg.implClassName()); + cUnit().emitHeader(getImplPackageName(), cfg.implClassName(), cfg.customCCode()); } } catch (final Exception e) { throw new RuntimeException( @@ -2463,153 +2665,18 @@ public class JavaEmitter implements GlueEmitter { } - protected void emitCHeader(final PrintWriter cWriter, final String packageName, final String className) { - cWriter.println("#include <jni.h>"); - cWriter.println("#include <stdlib.h>"); - cWriter.println("#include <string.h>"); - cWriter.println(); - - if (getConfig().emitImpl()) { - cWriter.println("#include <assert.h>"); - cWriter.println("#include <stddef.h>"); - cWriter.println(); - cWriter.println("static jobject JVMUtil_NewDirectByteBufferCopy(JNIEnv *env, void * source_address, size_t capacity); /* forward decl. */"); - cWriter.println(); - } - for (final String code : cfg.customCCode()) { - cWriter.println(code); - } - cWriter.println(); - } - - private static final String staticClassInitCodeCCode = "\n"+ - "static const char * clazzNameBuffers = \"com/jogamp/common/nio/Buffers\";\n"+ - "static const char * clazzNameBuffersStaticNewCstrName = \"newDirectByteBuffer\";\n"+ - "static const char * clazzNameBuffersStaticNewCstrSignature = \"(I)Ljava/nio/ByteBuffer;\";\n"+ - "static const char * sFatalError = \"FatalError:\";\n"+ - "static jclass clazzBuffers = NULL;\n"+ - "static jmethodID cstrBuffersNew = NULL;\n"+ - "static jboolean _initClazzAccessDone = JNI_FALSE;\n"+ - "\n"+ - "static jboolean _initClazzAccess(JNIEnv *env) {\n"+ - " jclass c;\n"+ - "\n"+ - " if(NULL!=cstrBuffersNew) return JNI_TRUE;\n"+ - "\n"+ - " c = (*env)->FindClass(env, clazzNameBuffers);\n"+ - " if(NULL==c) {\n"+ - " fprintf(stderr, \"%s Can't find %s\\n\", sFatalError, clazzNameBuffers);\n"+ - " (*env)->FatalError(env, clazzNameBuffers);\n"+ - " return JNI_FALSE;\n"+ - " }\n"+ - " clazzBuffers = (jclass)(*env)->NewGlobalRef(env, c);\n"+ - " if(NULL==clazzBuffers) {\n"+ - " fprintf(stderr, \"%s Can't use %s\\n\", sFatalError, clazzNameBuffers);\n"+ - " (*env)->FatalError(env, clazzNameBuffers);\n"+ - " return JNI_FALSE;\n"+ - " }\n"+ - "\n"+ - " cstrBuffersNew = (*env)->GetStaticMethodID(env, clazzBuffers,\n"+ - " clazzNameBuffersStaticNewCstrName, clazzNameBuffersStaticNewCstrSignature);\n"+ - " if(NULL==cstrBuffersNew) {\n"+ - " fprintf(stderr, \"%s can't create %s.%s %s\\n\", sFatalError,\n"+ - " clazzNameBuffers,\n"+ - " clazzNameBuffersStaticNewCstrName, clazzNameBuffersStaticNewCstrSignature);\n"+ - " (*env)->FatalError(env, clazzNameBuffersStaticNewCstrName);\n"+ - " return JNI_FALSE;\n"+ - " }\n"+ - " _initClazzAccessDone = JNI_TRUE;\n"+ - " return JNI_TRUE;\n"+ - "}\n"+ - "\n"+ - "#define JINT_MAX_VALUE ((size_t)0x7fffffffU)\n"+ - "static const char * sNewBufferImplNotCalled = \"initializeImpl() not called\";\n"+ - "static const char * sNewBufferMAX_INT = \"capacity > MAX_INT\";\n"+ - "static const char * sNewBufferEXCPT = \"New direct ByteBuffer threw Exception\";\n"+ - "static const char * sNewBufferNULL = \"New direct ByteBuffer is NULL\";\n"+ - "\n"+ - "static jobject JVMUtil_NewDirectByteBufferCopy(JNIEnv *env, void * source_address, size_t capacity) {\n"+ - " jobject jbyteBuffer;\n"+ - " void * byteBufferPtr;\n"+ - "\n"+ - " if( JNI_FALSE == _initClazzAccessDone ) {\n"+ - " fprintf(stderr, \"%s %s\\n\", sFatalError, sNewBufferImplNotCalled);\n"+ - " (*env)->FatalError(env, sNewBufferImplNotCalled);\n"+ - " return NULL;\n"+ - " }\n"+ - " if( JINT_MAX_VALUE < capacity ) {\n"+ - " fprintf(stderr, \"%s %s: %lu\\n\", sFatalError, sNewBufferMAX_INT, (unsigned long)capacity);\n"+ - " (*env)->FatalError(env, sNewBufferMAX_INT);\n"+ - " return NULL;\n"+ - " }\n"+ - " jbyteBuffer = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffersNew, (jint)capacity);\n"+ - " if( (*env)->ExceptionCheck(env) ) {\n"+ - " (*env)->ExceptionDescribe(env);\n"+ - " (*env)->ExceptionClear(env);\n"+ - " (*env)->FatalError(env, sNewBufferEXCPT);\n"+ - " return NULL;\n"+ - " }\n"+ - " if( NULL == jbyteBuffer ) {\n"+ - " fprintf(stderr, \"%s %s: size %lu\\n\", sFatalError, sNewBufferNULL, (unsigned long)capacity);\n"+ - " (*env)->FatalError(env, sNewBufferNULL);\n"+ - " return NULL;\n"+ - " }\n"+ - " if( 0 < capacity ) {\n"+ - " byteBufferPtr = (*env)->GetDirectBufferAddress(env, jbyteBuffer);\n"+ - " memcpy(byteBufferPtr, source_address, capacity);\n"+ - " }\n"+ - " return jbyteBuffer;\n"+ - "}\n"+ - "\n"; - - private static final String staticClassInitCallJavaCode = "\n"+ - " static {\n"+ - " if( !initializeImpl() ) {\n"+ - " throw new RuntimeException(\"Initialization failure\");\n"+ - " }\n"+ - " }\n"+ - "\n"; - - protected void emitCInitCode(final PrintWriter cWriter, final String packageName, final String className) { - if ( requiresStaticInitialization(className) ) { - cWriter.println(staticClassInitCodeCCode); - cWriter.println("JNIEXPORT jboolean JNICALL "+JavaEmitter.getJNIMethodNamePrefix(packageName, className)+"_initializeImpl(JNIEnv *env, jclass _unused) {"); - cWriter.println(" return _initClazzAccess(env);"); - cWriter.println("}"); - cWriter.println(); - cWriter.println("JNIEXPORT jint JNICALL "+JavaEmitter.getJNIMethodNamePrefix(packageName, className)+"_getCStringLengthImpl(JNIEnv *env, jclass _unused, jlong pString) {"); - cWriter.println(" return 0 != pString ? strlen((const char*)(intptr_t)pString) : 0;"); - cWriter.println("}"); - cWriter.println(); - } - } - - protected void emitJavaInitCode(final PrintWriter jWriter, final String className) { - if( null != jWriter && requiresStaticInitialization(className) ) { - jWriter.println(); - jWriter.println(" private static native boolean initializeImpl();"); - jWriter.println(); - jWriter.println(); - jWriter.println(" private static native int getCStringLengthImpl(final long pString);"); - jWriter.println(); - if( !cfg.manualStaticInitCall(className) ) { - jWriter.println(staticClassInitCallJavaCode); - } - } - } - /** * Write out any footer information for the output files (closing brace of * class definition, etc). */ protected void emitAllFileFooters() { if (cfg.allStatic() || cfg.emitInterface()) { - javaWriter().println(); - javaWriter().println("} // end of class " + cfg.className()); + javaUnit.emitTailCode(); + javaUnit().emitln("} // end of class " + cfg.className()); } if (!cfg.allStatic() && cfg.emitImpl()) { - javaImplWriter().println(); - javaImplWriter().println("} // end of class " + cfg.implClassName()); + javaImplUnit.emitTailCode(); + javaImplUnit().emitln("} // end of class " + cfg.implClassName()); } } @@ -2854,4 +2921,28 @@ public class JavaEmitter implements GlueEmitter { private final String capitalizeString(final String string) { return Character.toUpperCase(string.charAt(0)) + string.substring(1); } + /** + * Converts first letter to lower case. + */ + private final String decapitalizeString(final String string) { + return Character.toLowerCase(string.charAt(0)) + string.substring(1); + } + + private static final String optStringCharsetCode = + " private static Charset _charset = StandardCharsets.UTF_8;\n" + + "\n"+ + " /** Returns the Charset for this class's String mapping, default is StandardCharsets.UTF_8. */\n"+ + " public static Charset getCharset() { return _charset; };\n"+ + "\n"+ + " /** Sets the Charset for this class's String mapping, default is StandardCharsets.UTF_8. */\n"+ + " public static void setCharset(Charset cs) { _charset = cs; }\n"; + + private static final String optStringMaxStrnlenCode = + " private static int _max_strnlen = 8192;\n"+ + "\n"+ + " /** Returns the maximum number of bytes to read to determine native string length using `strnlen(..)`, default is 8192. */\n"+ + " public static int getMaxStrnlen() { return _max_strnlen; };\n"+ + "\n"+ + " /** Sets the maximum number of bytes to read to determine native string length using `strnlen(..)`, default is 8192. */\n"+ + " public static void setMaxStrnlen(int v) { _max_strnlen = v; }\n"; } |