• initial open source release

iPP 1.4.3 08/15/2002

• added new API methods: _init(), _preprocess(), _wrapup() and _reset()
• updated documentation

iPP 1.4.2 01/04/2001

• reduced size of class files

iPP 1.4.1 10/05/2000

• updated documentation

iPP 1.4.0 08/13/2000

• added method isDefined() to return whether the specified identifier is currently defined
• added method isMacro() to return whether the specified identifier is currently defined as a macro
• added method getDefinition() to return the current definition of the specified identifier
• added method getLine() to return the current line being preprocessed
• added method getIdentifiers() to return an enumeration of defined identifiers
• Strings, Integers, Doubles and Booleans are now automatically converted as needed during expression processing
• Boolean values now return "true" or "false" when converted to a String
• fixed bug in define() that resulted in exception being thrown when a macro was being defined
• expanded documented API

iPP 1.3.0 01/19/2000

• added support for redirection and piping stdin/stdout/stderr
• added new command line option, -fo, used to specify the name of the output file
• added new command line option, -fe, used to specify the name of the file used to log errors
• added new command line option, -fi, used to specify the name of the input file
• added new method, pp.preprocess(InputReader, OutputWriter, ErrorWriter), to API, used to directly run preprocessor specifying input reader, output write and error writer
• added new method, pp.preprocess(InputFileName, OutputFileName, ErrorFileName), to API, used to directly run preprocessor specifying the input file, output file and error file
• added new method, getFileName(), to API, used in custom exception handler to get the name of the file currenty being processed
• added new method, getLineNumber(), to API, used in custom exception handler to get the current line number
• added new method, getVersion(), to API, used to return the current version.
• added new variable, directiveDelimiter, to API, used to access the directive delimiter
• added new variable, lineDelimiter, to API, used to access the line delimiter

iPP 1.2.0 01/03/2000

• eliminated redundant calls to displayLogo() by display()
• documented generateLineDirective Java API variable
• updated documentation
• expanded ipp C wrapper to support java vm parameters embedded in java_exe environment variable
• added -l flag used to generate #line directive
• added support for generating #line directive
• changed ipp C wrapup to remove temp files on abort
• wrapup() now clears global variables
• fixed bug that resulted in comments being removed from included files regardless of settings
• fixed bug that resulted in comments not being removed when preserve blanks was selected
• fixed bug that resulted in muliple lines being concatenated when lines in multiline comments ended with \

iPP 1.1.1 07/11/1999

• improved performance by where possible replacing use of Strings with StringBuffers

iPP 1.0.0 02/21/1999

• updated documentation
• added support for #pragma directive

iPP 1.0.0 01/24/1999

• alphabetized command line options
• command line option, -d, now undefines predefined environment variables
• added command line option, -w, to ignore all warnings
• added command line option, -e, to support embedded quotes within quoted strings using \ to preface quote
• macro redefinitions now generate a warning
• fixed bug where evaluating include directive within if/ifdef/ifndef directive resulted in unexpected end of file while in if/ifdef/ifndef.
• fixed bug where results from ## were not being evaluated recursively
• removed use of System.exit()

iPP 1.0.0 09/06/1998

• updated documentation, macros can not be defined from the command line using -d
• added Java API public method define(String) which allows definition of identifiers and macros.
• changed preserve comments to -c (no longer -e)
• changed -c command line option to no longer removes blank lines
• added preserve blank lines -b command line option
• added preserveBlankLines in Java API (same as -b)
• fixed bug with macro and identifier identification
• changed how macros are defined

iPP 1.0.0 08/27/1998

• documented iPP Java API
• fixed bugs with operations on doubles
• defined iPP public Java API

iPP 1.0.0 08/22/1998

• fixed bug with evaluating embedded macros

iPP 1.0.0 08/17/1998

• corrected program bug which caused "array out of bounds" error when an output file was specified from the command line
• eliminated need for root access

iPP 1.0.0 07/19/1998

• fixed bug with evaluation of != operator
• fixed bug with evaluation of hexadecimal constants
• fixed bug with evaluation of identifiers, identifiers where mistaken as real values
• added support for #elseif directive
• cleanup html/formatting/spelling documentation

iPP 1.0.0 07/05/1998

• documented predefined identifiers

iPP 1.0.0 06/30/1998

• cleanup iPP documentation
• integrated iPP into Servertec's Web site