CodeGen
Class Gen

java.lang.Object
  CodeGen.Gen

Direct Known Subclasses:

GenCI, GenDebug, GenLocal, GenRI

public abstract class Gen
extends java.lang.Object

Abstract code generator interface

Field Summary

ClassInfo	cinfo
protected Konstruktor[]	constr
protected boolean	isCTLI
protected boolean	isForwardDecl
protected Methode[]	methods
protected java.lang.String	modifiers
protected java.lang.String	name
protected java.lang.String	pkg
protected java.lang.String	prfx
protected java.lang.String	supername

Constructor Summary

Gen(java.lang.String klass)
Constructor for a class from the javaSys package.

Gen(java.lang.String pkg, java.lang.String klass)
Constructor for a class from a custom package.

Method Summary

protected static java.lang.String	__putRefCount() Generate a stub for putRefCount()
protected static java.lang.String	arrayConversion(java.lang.String type) Generated code for the conversion of an array
protected java.lang.String	classNamer(ClassInfo cinfo, java.lang.String suffix)
protected static java.lang.String	classNameToDotJavaFile(java.lang.String klas) Convert a class name to a Java source code filename
protected static java.lang.String	convertArray(MethodInfo minfo) Wrapper around convertArray(String)
protected static java.lang.String	convertArray(java.lang.String klass) Generate an array conversion expression for the given class
protected void	gen(java.io.OutputStreamWriter ostr)
protected java.lang.String	genAccept()
protected static void	genArgList(java.lang.StringBuffer buf, java.lang.String p, int i, int j, boolean is_constr, java.lang.annotation.Annotation[] anot) Handles one function parameter and takes care of possible array types.
protected java.lang.String	genConstructors()
protected void	generate()
protected java.lang.String	genHead() Generate the header of the class
protected static java.lang.String[]	genValue(java.lang.String retVal) Generate a *Value() call for a certain type
protected java.lang.String	genWrappers()
protected java.lang.String	getFQCN() Retrieve the full-qualified name of the class we are generating code for
protected static java.lang.String	getImports(java.lang.String klas) Retrieve all imported classes/packages as String
protected static void	getImports(java.lang.StringBuffer buf, java.lang.String klas) Retrieve the import statements from a Java source code file
protected boolean	isCC()
protected java.lang.String	linkErr() Generate code for linkage error message
protected static java.lang.String	newMethod(java.lang.String clname, java.lang.String funcname, int len)
protected static java.lang.String	newMethod(java.lang.String clname, java.lang.String funcname, int len, boolean returnme) Generate code for a new Method call
protected static java.lang.String	newObj(java.lang.String clname, java.lang.String arglist) See above
protected static java.lang.String	newObj(java.lang.String clname, java.lang.String arglist, boolean have_proc) Generate code for allocating a new RI object
protected static void	prettyPrint(java.io.File file) Use an external pretty printer
protected static void	writeTo(java.io.OutputStreamWriter out, java.lang.String str) Write a string to an output stream

Methods inherited from class java.lang.Object

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

Field Detail

cinfo

public ClassInfo cinfo

constr

protected Konstruktor[] constr

methods

protected Methode[] methods

name

protected java.lang.String name

pkg

protected java.lang.String pkg

prfx

protected java.lang.String prfx

supername

protected java.lang.String supername

modifiers

protected java.lang.String modifiers

isForwardDecl

protected boolean isForwardDecl

isCTLI

protected boolean isCTLI

Constructor Detail

Gen

public Gen(java.lang.String klass)
    throws java.lang.ClassNotFoundException

Constructor for a class from the javaSys package.

Parameters:

klass - Class name

Throws:

java.lang.ClassNotFoundException

Gen

public Gen(java.lang.String pkg,
           java.lang.String klass)
    throws java.lang.ClassNotFoundException

Constructor for a class from a custom package.

Parameters:

pkg - Package name

klass - Class name

Throws:

java.lang.ClassNotFoundException

Method Detail

writeTo

protected static void writeTo(java.io.OutputStreamWriter out,
                              java.lang.String str)
                       throws java.io.IOException

Write a string to an output stream

Parameters:

out - OutputStreamWriter for the output stream

str - String to write

Throws:

java.io.IOException

classNameToDotJavaFile

protected static java.lang.String classNameToDotJavaFile(java.lang.String klas)

Convert a class name to a Java source code filename

Parameters:

klas - Class name

Returns:

Filename

getImports

protected static void getImports(java.lang.StringBuffer buf,
                                 java.lang.String klas)

Retrieve the import statements from a Java source code file

Parameters:

klas - Class name

buf - Buffer to write to

getImports

protected static java.lang.String getImports(java.lang.String klas)

Retrieve all imported classes/packages as String

Parameters:

klas - Name of the source class

Returns:

String

prettyPrint

protected static void prettyPrint(java.io.File file)

Use an external pretty printer

Parameters:

file - The File to modify

classNamer

protected java.lang.String classNamer(ClassInfo cinfo,
                                      java.lang.String suffix)

isCC

protected boolean isCC()

generate

protected void generate()
                 throws java.io.IOException,
                        java.lang.NoSuchMethodException

Throws:

java.io.IOException

java.lang.NoSuchMethodException

gen

protected void gen(java.io.OutputStreamWriter ostr)
            throws java.io.IOException,
                   java.lang.NoSuchMethodException

Throws:

java.io.IOException

java.lang.NoSuchMethodException

genHead

protected java.lang.String genHead()
                            throws java.io.IOException

Generate the header of the class

Returns:

Header

Throws:

java.io.IOException

genValue

protected static java.lang.String[] genValue(java.lang.String retVal)

Generate a *Value() call for a certain type

Parameters:

retVal - String representation of a type

Returns:

Array of which the first String is the *Value() function name

genAccept

protected java.lang.String genAccept()
                              throws java.io.IOException

Throws:

java.io.IOException

genConstructors

protected java.lang.String genConstructors()
                                    throws java.io.IOException

Throws:

java.io.IOException

genWrappers

protected java.lang.String genWrappers()
                                throws java.io.IOException,
                                       java.lang.NoSuchMethodException

Throws:

java.io.IOException

java.lang.NoSuchMethodException

linkErr

protected java.lang.String linkErr()

Generate code for linkage error message

newObj

protected static java.lang.String newObj(java.lang.String clname,
                                         java.lang.String arglist,
                                         boolean have_proc)

Generate code for allocating a new RI object

Parameters:

clname - Class name

arglist - Argument list

have_proc - Put proc into the argument list or not

Returns:

Code

newObj

protected static java.lang.String newObj(java.lang.String clname,
                                         java.lang.String arglist)

See above

__putRefCount

protected static java.lang.String __putRefCount()

Generate a stub for putRefCount()

Returns:

Code

genArgList

protected static void genArgList(java.lang.StringBuffer buf,
                                 java.lang.String p,
                                 int i,
                                 int j,
                                 boolean is_constr,
                                 java.lang.annotation.Annotation[] anot)

Handles one function parameter and takes care of possible array types.

Parameters:

buf - StringBuffer to write to

p - Parameter type

i - Counter

j - Counter

is_constr - Whether or not the caller is a constructor

anot - Annotations belonging to the caller

newMethod

protected static java.lang.String newMethod(java.lang.String clname,
                                            java.lang.String funcname,
                                            int len,
                                            boolean returnme)

Generate code for a new Method call

Parameters:

clname - Class name

funcname - Function name

len - Number of arguments the function takes

returnme - Whether or not to return a value

Returns:

Code

newMethod

protected static java.lang.String newMethod(java.lang.String clname,
                                            java.lang.String funcname,
                                            int len)

getFQCN

protected java.lang.String getFQCN()

Retrieve the full-qualified name of the class we are generating code for

Returns:

Name

convertArray

protected static java.lang.String convertArray(MethodInfo minfo)

Wrapper around convertArray(String)

Parameters:

minfo - The method whose return value should be converted

Returns:

Array conversion expression

convertArray

protected static java.lang.String convertArray(java.lang.String klass)

Generate an array conversion expression for the given class

Parameters:

klass - Class name

Returns:

Array conversion expression

arrayConversion

protected static java.lang.String arrayConversion(java.lang.String type)

Generated code for the conversion of an array

Parameters:

type - Type of the array

Returns:

Generated code