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4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment.

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2010-09-19 19:39 Back to release list

The words ’DELETE-FILE’ and ’ENVIRON@’ have been added. The library files now support writing OpenOffice, KOffice, and Microsoft XML spreadsheets, different sorting algorithms, the creation of floating point interpreters, GTK-server, Forth compatible floating point I/O for ZEN float, portable bitmap graphics and Turtle graphics. Files can now be deleted and environment variables can be queried. The maximum symbol length is increased to 23 characters. Two tiny spreadsheet programs were added to the examples.
標籤: Stable

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