stdlib

Class Graphviz

java.lang.Object

stdlib.Graphviz

class Graphviz
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	baseFilename
private static java.lang.String	dirName
static java.util.HashMap<java.lang.String,java.lang.String>	fieldAttributeMap
static java.util.HashMap<java.lang.String,java.lang.String>	frameAttributeMap
private static java.lang.String	mainClassName
private static int	nextGraphNumber
static java.util.HashMap<java.lang.String,java.lang.String>	objectAttributeMap
private static java.lang.String	PREFIX_ARRAY
private static java.lang.String	PREFIX_EXCEPTION
private static java.lang.String	PREFIX_FRAME
private static java.lang.String	PREFIX_LABEL
private static java.lang.String	PREFIX_OBJECT
private static java.lang.String	PREFIX_RETURN
private static java.lang.String	PREFIX_STATIC
protected static java.lang.String	PREFIX_UNUSED_LABEL
private static java.lang.String	quotable
static java.util.HashMap<java.lang.String,java.lang.String>	staticClassAttributeMap

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Graphviz()

Method Summary

Modifier and Type	Method and Description
private static boolean	canAppearUnquotedInLabel(char c)
private static boolean	canIgnoreObjectField(com.sun.jdi.Field field)
private static boolean	canIgnoreStaticField(com.sun.jdi.Field field)
private static boolean	canTreatAsPrimitive(com.sun.jdi.Value v)
static void	drawFrames(int start, java.lang.String loc, com.sun.jdi.Value returnVal, com.sun.jdi.Value exnVal, java.util.List<com.sun.jdi.StackFrame> frames, java.util.Set<com.sun.jdi.ReferenceType> staticClasses)
static void	drawFramesCheck(java.lang.String loc, com.sun.jdi.Value returnVal, com.sun.jdi.Value exnVal, java.util.List<com.sun.jdi.StackFrame> frames, java.util.Set<com.sun.jdi.ReferenceType> staticClasses)
static void	drawObjects(java.lang.String loc, java.util.Map<java.lang.String,com.sun.jdi.ObjectReference> objects)
protected static void	drawStuff(java.lang.String loc, java.util.function.Consumer<java.io.PrintWriter> consumer)
private static java.lang.String	frameGvName(int frameNumber)
private static boolean	frameHasPrimitives(java.util.Map<com.sun.jdi.LocalVariable,com.sun.jdi.Value> ls)
private static java.lang.String	frameName(int frameNumber, com.sun.jdi.StackFrame frame, com.sun.jdi.Method method, int lineNumber)
private static void	labelFrameWithNoPrimitiveLocals(int frameNumber, com.sun.jdi.StackFrame frame, java.io.PrintWriter out)
private static void	labelFrameWithSomePrimitiveLocals(int frameNumber, com.sun.jdi.StackFrame frame, java.util.Map<com.sun.jdi.LocalVariable,com.sun.jdi.Value> ls, java.io.PrintWriter out)
private static void	labelObjectWithNoPrimitiveFields(com.sun.jdi.ObjectReference obj, java.io.PrintWriter out)
private static void	labelObjectWithSomePrimitiveFields(com.sun.jdi.ObjectReference obj, java.util.List<com.sun.jdi.Field> fs, java.io.PrintWriter out)
private static void	labelStaticClassWithNoPrimitiveFields(com.sun.jdi.ReferenceType type, java.io.PrintWriter out)
private static void	labelStaticClassWithSomePrimitiveFields(com.sun.jdi.ReferenceType type, java.util.List<com.sun.jdi.Field> fs, java.io.PrintWriter out)
private static boolean	looksLikePrimitiveArray(com.sun.jdi.ArrayReference obj)
private static java.lang.String	nextFilename()
private static java.lang.String	objectGvName(com.sun.jdi.ObjectReference obj)
private static boolean	objectHasPrimitives(java.util.List<com.sun.jdi.Field> fs, com.sun.jdi.ObjectReference obj)
private static java.lang.String	objectName(com.sun.jdi.ObjectReference obj)
static java.lang.String	peekFilename() The name of the output file is derived from baseFilename by appending successive integers.
private static boolean	processFrame(int frameNumber, com.sun.jdi.StackFrame frame, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static void	processObject(com.sun.jdi.ObjectReference obj, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static void	processObjectArray(com.sun.jdi.ArrayReference obj, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static void	processObjectWithLabel(java.lang.String label, com.sun.jdi.ObjectReference obj, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static void	processPrimitiveArray(com.sun.jdi.ArrayReference obj, java.io.PrintWriter out)
private static void	processStaticClass(com.sun.jdi.ReferenceType type, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static boolean	processValueInline(boolean showNull, java.lang.String prefix, com.sun.jdi.Value val, java.io.PrintWriter out)
private static void	processValueStandalone(java.lang.String gvSource, java.lang.String arrowAttributes, java.lang.String fieldName, com.sun.jdi.Value val, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
private static void	processWrapperAsSimple(java.lang.String gvName, com.sun.jdi.Value val, java.io.PrintWriter out, java.util.Set<com.sun.jdi.ObjectReference> visited)
protected static java.lang.String	quote(java.lang.String s)
private static void	setBaseFilename()
static void	setOutputDirectory(java.lang.String dirName, java.lang.String mainClassName) Graphics files are saved in directory dirName/mainClassName.
private static java.lang.String	staticClassGvName(com.sun.jdi.ReferenceType type)
private static boolean	staticClassHasFields(java.util.List<com.sun.jdi.Field> fs)
private static boolean	staticClassHasPrimitives(java.util.List<com.sun.jdi.Field> fs, com.sun.jdi.ReferenceType staticClass)
private static java.lang.String	staticClassName(com.sun.jdi.ReferenceType type)
private static java.lang.String	unescapeJavaString(java.lang.String st) Unescapes a string that contains standard Java escape sequences.
private static com.sun.jdi.Value	valueByFieldname(com.sun.jdi.ObjectReference obj, java.lang.String fieldName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

dirName

private static java.lang.String dirName

mainClassName

private static java.lang.String mainClassName

nextGraphNumber

private static int nextGraphNumber

baseFilename

private static java.lang.String baseFilename

objectAttributeMap

public static final java.util.HashMap<java.lang.String,java.lang.String> objectAttributeMap

staticClassAttributeMap

public static final java.util.HashMap<java.lang.String,java.lang.String> staticClassAttributeMap

frameAttributeMap

public static final java.util.HashMap<java.lang.String,java.lang.String> frameAttributeMap

fieldAttributeMap

public static final java.util.HashMap<java.lang.String,java.lang.String> fieldAttributeMap

quotable

private static final java.lang.String quotable

See Also:

Constant Field Values

PREFIX_UNUSED_LABEL

protected static final java.lang.String PREFIX_UNUSED_LABEL

See Also:

Constant Field Values

PREFIX_LABEL

private static final java.lang.String PREFIX_LABEL

See Also:

Constant Field Values

PREFIX_ARRAY

private static final java.lang.String PREFIX_ARRAY

See Also:

Constant Field Values

PREFIX_OBJECT

private static final java.lang.String PREFIX_OBJECT

See Also:

Constant Field Values

PREFIX_STATIC

private static final java.lang.String PREFIX_STATIC

See Also:

Constant Field Values

PREFIX_FRAME

private static final java.lang.String PREFIX_FRAME

See Also:

Constant Field Values

PREFIX_RETURN

private static final java.lang.String PREFIX_RETURN

See Also:

Constant Field Values

PREFIX_EXCEPTION

private static final java.lang.String PREFIX_EXCEPTION

See Also:

Constant Field Values

Constructor Detail

Graphviz

private Graphviz()

Method Detail

setOutputDirectory

public static void setOutputDirectory(java.lang.String dirName,
                                      java.lang.String mainClassName)

Graphics files are saved in directory dirName/mainClassName. dirName directory is created if it does not already exist. If dirName/mainClassName exists, then numbers are appended to the directory name: "dirName/mainClassName 1", "dirName/mainClassName 2", etc.

peekFilename

public static java.lang.String peekFilename()

The name of the output file is derived from baseFilename by appending successive integers.

nextFilename

private static java.lang.String nextFilename()

setBaseFilename

private static void setBaseFilename()

canTreatAsPrimitive

private static boolean canTreatAsPrimitive(com.sun.jdi.Value v)

looksLikePrimitiveArray

private static boolean looksLikePrimitiveArray(com.sun.jdi.ArrayReference obj)

canIgnoreObjectField

private static boolean canIgnoreObjectField(com.sun.jdi.Field field)

canIgnoreStaticField

private static boolean canIgnoreStaticField(com.sun.jdi.Field field)

canAppearUnquotedInLabel

private static boolean canAppearUnquotedInLabel(char c)

quote

protected static java.lang.String quote(java.lang.String s)

unescapeJavaString

private static java.lang.String unescapeJavaString(java.lang.String st)

Unescapes a string that contains standard Java escape sequences.

• \\b \\f \\n \\r \\t \\" \\' : BS, FF, NL, CR, TAB, double and single quote.
• \\N \\NN \\NNN : Octal character specification (0 - 377, 0x00 - 0xFF).
• \\uNNNN : Hexadecimal based Unicode character.

Parameters:

st - A string optionally containing standard java escape sequences.

Returns:

The translated string.

processPrimitiveArray

private static void processPrimitiveArray(com.sun.jdi.ArrayReference obj,
                                          java.io.PrintWriter out)

processObjectArray

private static void processObjectArray(com.sun.jdi.ArrayReference obj,
                                       java.io.PrintWriter out,
                                       java.util.Set<com.sun.jdi.ObjectReference> visited)

processValueStandalone

private static void processValueStandalone(java.lang.String gvSource,
                                           java.lang.String arrowAttributes,
                                           java.lang.String fieldName,
                                           com.sun.jdi.Value val,
                                           java.io.PrintWriter out,
                                           java.util.Set<com.sun.jdi.ObjectReference> visited)

processValueInline

private static boolean processValueInline(boolean showNull,
                                          java.lang.String prefix,
                                          com.sun.jdi.Value val,
                                          java.io.PrintWriter out)

processWrapperAsSimple

private static void processWrapperAsSimple(java.lang.String gvName,
                                           com.sun.jdi.Value val,
                                           java.io.PrintWriter out,
                                           java.util.Set<com.sun.jdi.ObjectReference> visited)

objectName

private static java.lang.String objectName(com.sun.jdi.ObjectReference obj)

objectGvName

private static java.lang.String objectGvName(com.sun.jdi.ObjectReference obj)

objectHasPrimitives

private static boolean objectHasPrimitives(java.util.List<com.sun.jdi.Field> fs,
                                           com.sun.jdi.ObjectReference obj)

labelObjectWithNoPrimitiveFields

private static void labelObjectWithNoPrimitiveFields(com.sun.jdi.ObjectReference obj,
                                                     java.io.PrintWriter out)

labelObjectWithSomePrimitiveFields

private static void labelObjectWithSomePrimitiveFields(com.sun.jdi.ObjectReference obj,
                                                       java.util.List<com.sun.jdi.Field> fs,
                                                       java.io.PrintWriter out)

processObjectWithLabel

private static void processObjectWithLabel(java.lang.String label,
                                           com.sun.jdi.ObjectReference obj,
                                           java.io.PrintWriter out,
                                           java.util.Set<com.sun.jdi.ObjectReference> visited)

valueByFieldname

private static com.sun.jdi.Value valueByFieldname(com.sun.jdi.ObjectReference obj,
                                                  java.lang.String fieldName)

processObject

private static void processObject(com.sun.jdi.ObjectReference obj,
                                  java.io.PrintWriter out,
                                  java.util.Set<com.sun.jdi.ObjectReference> visited)

staticClassName

private static java.lang.String staticClassName(com.sun.jdi.ReferenceType type)

staticClassGvName

private static java.lang.String staticClassGvName(com.sun.jdi.ReferenceType type)

staticClassHasFields

private static boolean staticClassHasFields(java.util.List<com.sun.jdi.Field> fs)

staticClassHasPrimitives

private static boolean staticClassHasPrimitives(java.util.List<com.sun.jdi.Field> fs,
                                                com.sun.jdi.ReferenceType staticClass)

labelStaticClassWithNoPrimitiveFields

private static void labelStaticClassWithNoPrimitiveFields(com.sun.jdi.ReferenceType type,
                                                          java.io.PrintWriter out)

labelStaticClassWithSomePrimitiveFields

private static void labelStaticClassWithSomePrimitiveFields(com.sun.jdi.ReferenceType type,
                                                            java.util.List<com.sun.jdi.Field> fs,
                                                            java.io.PrintWriter out)

processStaticClass

private static void processStaticClass(com.sun.jdi.ReferenceType type,
                                       java.io.PrintWriter out,
                                       java.util.Set<com.sun.jdi.ObjectReference> visited)

frameName

private static java.lang.String frameName(int frameNumber,
                                          com.sun.jdi.StackFrame frame,
                                          com.sun.jdi.Method method,
                                          int lineNumber)

frameGvName

private static java.lang.String frameGvName(int frameNumber)

frameHasPrimitives

private static boolean frameHasPrimitives(java.util.Map<com.sun.jdi.LocalVariable,com.sun.jdi.Value> ls)

labelFrameWithNoPrimitiveLocals

private static void labelFrameWithNoPrimitiveLocals(int frameNumber,
                                                    com.sun.jdi.StackFrame frame,
                                                    java.io.PrintWriter out)

labelFrameWithSomePrimitiveLocals

private static void labelFrameWithSomePrimitiveLocals(int frameNumber,
                                                      com.sun.jdi.StackFrame frame,
                                                      java.util.Map<com.sun.jdi.LocalVariable,com.sun.jdi.Value> ls,
                                                      java.io.PrintWriter out)

processFrame

private static boolean processFrame(int frameNumber,
                                    com.sun.jdi.StackFrame frame,
                                    java.io.PrintWriter out,
                                    java.util.Set<com.sun.jdi.ObjectReference> visited)

drawFramesCheck

public static void drawFramesCheck(java.lang.String loc,
                                   com.sun.jdi.Value returnVal,
                                   com.sun.jdi.Value exnVal,
                                   java.util.List<com.sun.jdi.StackFrame> frames,
                                   java.util.Set<com.sun.jdi.ReferenceType> staticClasses)

drawFrames

public static void drawFrames(int start,
                              java.lang.String loc,
                              com.sun.jdi.Value returnVal,
                              com.sun.jdi.Value exnVal,
                              java.util.List<com.sun.jdi.StackFrame> frames,
                              java.util.Set<com.sun.jdi.ReferenceType> staticClasses)

drawObjects

public static void drawObjects(java.lang.String loc,
                               java.util.Map<java.lang.String,com.sun.jdi.ObjectReference> objects)

drawStuff

protected static void drawStuff(java.lang.String loc,
                                java.util.function.Consumer<java.io.PrintWriter> consumer)