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(2018-07-24,
RichardSproat
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*Thrax - Release 0.1* (Alpha version.) *Thrax - Release 1.0* * Removed dependency on ICU for UTF8 string parsing: --with-icu configuration flag no longer needed and OpenFst library version 1.3.1 or above is required. * Function definitions may now be interleaved with the rest of the body in grammars. * Support for standard (tropical), log and log64 arc types (flag --arc_type). * --save_symbols flag to thraxcompiler allows for symbol tables to be stored in the compiled fsts. thraxmakedep supports --arc_type and --save_symbols flags. * StringFile function now supports construction of both acceptors and transducers. Strings may be compiled in byte or utf8 mode, or with a user-specified symbol table. * The --rule flag to thraxrewrite-tester is now --rules. Supports a comma-separated list of rule names, which are to applied in sequence to the input. * Project added as callable function. * Various optimizations to CDRewrite and elsewhere. * Fixed bug in how symbol tables are saved (1.0.1) * Fixed bug in treatment of symbol tables with StringFile * Adopted SET_FLAGS for better presentation of flag options *Thrax - Release 1.1* * Added interface to pushdown transducer (PDT) functionality from OpenFst. * Added support for morphological paradigms and linguistic features. * Added assertion capability to allow for self-testing grammars. * Added readline support to thraxrewrite-tester to allow for inline editing and saving of histories. * Added thraxrandom-generator to allow one to generate random strings from a grammar. * Added more useful debug information --- grammar file name and line number --- to allow more one to find bugs in the grammar more easily. * Generated labels are now output in readable form by thraxrewrite-tester and thraxrandom-generator. * Generated labels (enclosed in "[]") may no longer be single-character. * Allow ASSERT_EQUAL declarations in the grammar. *Thrax - Release 1.2* * Added interface to multi-pushdown transducer (MPDT) functionality from OpenFst. * Added interface to Replace class in OpenFst. * Adds --show_details flag to thraxrewrite-tester. When it is set and when multiple rules are specified, the tool will show the output of eachindividual rule. Useful when trying to find which rule caused a problem. * Raises a warning if more than one definition is given for a function. *Thrax - Release 1.2.1* * AssertNull and AssertEmpty assertions added. * Minor fixes to use fully qualified names for std:: objects. * Rearrangement of the main compiler to have separate C++ files for each arc type. * Fixes potential bug in Replace implementation. * Algorithmic improvements to Optimize. *Thrax - Release 1.2.2* * Compatibility release for OpenFst 1.5.2. *Thrax - Release 1.2.3* * Properly adds AssertEmpty, AssertEqual and RmWeight functions. * Adds fix suggested by Damir Cavar to allow for compilation under Cygwin. <b><span style="background-color: transparent;">Thrax - Release 1.2.4</span></b> * Makes "#" a comment character for StringFiles: anything from "#" to the end of the line is now a comment. If you want a real "#", escape it with "\". * Adds a RuleCascade to the library to make it easier to deal with the common construct of a cascade of rules. (Only relevant if you develop code using the Thrax libraries.) * Better error reporting for "cannot parse character" error. * Adds ":" as a bash-friendly alternative to "$" when specifying a (M)PDT/parens(/assignments) combination. <b><span style="background-color: transparent;">Thrax - Release 1.2.5</span></b> * Better use of finalization in the implementation of built-in methods. * Cleanup to string parsing. <b><span style="background-color: transparent;">Thrax - Release 1.2.6</span></b> * Adds an optional third column to stringfiles to represent weights. * Adds implementation of lenient composition. * Fixes some header issues that have popped up in recent versions of Debian. <b><span style="background-color: transparent;">Thrax - Release 1.2.7</span></b> * Adds some more useful debugging errors (e.g. when user tries to reuse a namespace designator)
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Topic revision: r1 - 2018-07-24
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RichardSproat
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