OpenJDK 27 · com.sun.tools.javac.jvm.ClassWriter · APIdia, the JavaDoc alternative

Modifier and Type	Class and Description
pack-priv class	ClassWriter.AttributeWriter A visitor to write an attribute including its leading single-character marker.
public static class	ClassWriter.PoolOverflow Thrown when the constant pool is over full.
pack-priv abstract static class	ClassWriter.StackMapTableFrame An entry in the JSR202 StackMapTable
public static class	ClassWriter.StringOverflow

Field Summary

Modifier and Type	Field and Description
pack-priv ClassWriter.AttributeWriter	awriter
private Check	check
pack-priv static final int	CLASS_BUF_SIZE
protected static final Context.Key<ClassWriter>	classWriterKey
pack-priv static final int	DATA_BUF_SIZE The initial sizes of the data and constant pool buffers.
public ByteBuffer	databuf An output buffer for member info.
private boolean	debugstackmap Switch: describe the generated stackmap.
private boolean	dumpClassModifiers Value of option 'dumpmodifiers' is a string indicating which modifiers should be dumped for debugging: 'c' -- classes 'f' -- fields 'i' -- innerclass attributes 'm' -- methods For example, to dump everything: javac -XDdumpmodifiers=cifm MyProg.java
private boolean	dumpFieldModifiers
private boolean	dumpInnerClassModifiers
private boolean	dumpMethodModifiers
private boolean	emitSourceFile Switch: emit source file attribute.
private List<ToIntFunction<Symbol>>	extraAttributeHooks
private final JavaFileManager	fileManager Access to files.
private static final String[]	flagName
pack-priv static final int	FULL_FRAME
private boolean	genCrt Switch: generate CharacterRangeTable attribute.
private final Log	log The log to use for verbose output.
pack-priv static final int	MAX_LOCAL_LENGTH_DIFF
public boolean	multiModuleMode If true, class files will be written in module-specific subdirectories of the CLASS_OUTPUT location.
private final Names	names The name table.
private final Options	options
pack-priv ByteBuffer	poolbuf An output buffer for the constant pool.
pack-priv final PoolWriter	poolWriter The constant pool writer.
private Preview	preview Preview language level.
pack-priv static final int	SAME_FRAME_EXTENDED
pack-priv static final int	SAME_FRAME_SIZE The tags and constants used in compressed stackmap.
pack-priv static final int	SAME_LOCALS_1_STACK_ITEM_EXTENDED
private Source	source Source language version.
private Target	target Target class version.
private Types	types Type utilities.
private boolean	verbose Switch: verbose output.

Access	Constructor and Description
protected	ClassWriter(Context context) Construct a class writer, given an options table.

Method Summary

Modifier and Type	Method and Description
public void	addExtraAttributes(ToIntFunction<Symbol> addExtraAttributes)
pack-priv int	adjustFlags(final long flags)
pack-priv int	beginAttrs() Leave space for attribute count and return index for number of attributes field.
private void	checkAnnotationArraySizeInternal(Pair<Symbol.MethodSymbol, Attribute> p)
public void	endAttr(int index) Fill in attribute length.
pack-priv void	endAttrs(int index, int count) Fill in number of attributes.
public static String	flagNames(long flags) Return flags as a string, separated by " ".
pack-priv long	getLastModified(FileObject filename)
public static ClassWriter	instance(Context context) Get the ClassWriter instance for this context.
private void	listNested(Symbol sym, ListBuffer<Symbol.ClassSymbol> seen)
private boolean	needsLocalVariableTypeEntry(Type t)
pack-priv void	putChar(ByteBuffer buf, int op, int x) Write a character into given byte buffer; byte buffer will not be grown.
pack-priv void	putInt(ByteBuffer buf, int adr, int x) Write an integer into given byte buffer; byte buffer will not be grown.
private boolean	requiresParamFlags(Symbol.MethodSymbol m)
private boolean	requiresParamNames(Symbol.MethodSymbol m)
public int	writeAttr(Name attrName) Write header for an attribute to data buffer and return position past attribute length index.
pack-priv void	writeBootstrapMethods() Write "bootstrapMethods" attribute.
public JavaFileObject	writeClass(Symbol.ClassSymbol The class from which a class file is generated. c) Emit a class file for a given class.
public void	writeClassFile(OutputStream out, Symbol.ClassSymbol c) Write class `c' to outstream `out'.
pack-priv void	writeCode(Code code) Write code attribute of method.
pack-priv void	writeCompoundAttribute(Attribute.Compound c) Write a compound attribute excluding the '@' marker.
pack-priv int	writeEnclosingMethodAttribute(Symbol.ClassSymbol c) Write the EnclosingMethod attribute if needed.
protected int	writeEnclosingMethodAttribute(Name attributeName, Symbol.ClassSymbol c) Write the EnclosingMethod attribute with a specified name.
protected int	Returns: the number of attributes written writeExtraAttributes(Symbol sym) Allows friends to write additional attributes
protected int	Returns: the number of attributes written writeExtraClassAttributes(Symbol.ClassSymbol c) Allows subclasses to write additional class attributes
pack-priv void	writeField(Symbol.VarSymbol v) Write field symbol, entering all references into constant pool.
pack-priv void	writeFields(Scope s)
pack-priv int	writeFlagAttrs(long flags) Write flag attributes; return number of attributes written.
pack-priv void	writeInnerClasses() Write "inner classes" attribute.
pack-priv int	writeJavaAnnotations(List<Attribute.Compound> attrs) Write Java-language annotations; return number of JVM attributes written (zero or one).
pack-priv int	writeMemberAttrs(Symbol sym, boolean isRecordComponent) Write member (field or method) attributes; return number of attributes written.
pack-priv void	writeMethod(Symbol.MethodSymbol m) Write method symbol, entering all references into constant pool.
pack-priv int	writeMethodParametersAttr(Symbol.MethodSymbol m, boolean writeParamNames) Write method parameter names attribute.
pack-priv void	writeMethods(Scope s)
pack-priv int	writeModuleAttribute(Symbol.ClassSymbol c) Write the Module attribute if needed.
pack-priv int	writeNestHostIfNeeded(Symbol.ClassSymbol csym) Write NestHost attribute (if needed)
pack-priv int	writeNestMembersIfNeeded(Symbol.ClassSymbol csym) Write NestMembers attribute (if needed)
private void	writeParamAnnotations(List<Symbol.VarSymbol> params, Attribute.RetentionPolicy retention)
private void	writeParamAnnotations(Symbol.MethodSymbol m, Attribute.RetentionPolicy retention)
pack-priv int	writeParameterAttrs(List<Symbol.VarSymbol> vars) Write method parameter annotations; return number of attributes written.
pack-priv int	writePermittedSubclassesIfNeeded(Symbol.ClassSymbol csym) Write "PermittedSubclasses" attribute.
pack-priv void	writePosition(TypeAnnotationPosition p)
pack-priv int	writeRecordAttribute(Symbol.ClassSymbol csym)
pack-priv void	writeStackMap(Code code)
pack-priv void	writeStackMapType(Type t)
pack-priv void	writeTypeAnnotation(Attribute.TypeCompound c)
pack-priv int	writeTypeAnnotations(List<Attribute.TypeCompound> typeAnnos, boolean inCode)

Inherited from com.sun.tools.javac.jvm.ClassFile:: externalize externalize internalize internalize

public Class ClassWriter

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary