v0.2.31

Changes to the internal syntax tree which will break compatibility with programs accessing the ast_module_declaration object's always_blocks and initial_blocks members.

• Refactored always and initial block representation to reduce indirection in finding event triggers and statement bodies.
• Removed an awfully annoying print statement which slipped through the net.
• Fixed the ast_list_concat function
• Allowed "parent" build systems to disable the verilog-parser tests.

v0.2.2

Some new features and cleanup

• Added some useful functions:
  • ast_expression_tostring
  • ast_primary_tostring
  • ast_number_tostring
• Fixed some bugs which became apparent while implementing these.
  • Added relevant test files too.
• Fixed all compiler warnings (gcc -Wall)
  • Only remaining ones come from inside the flex generated code. Nothing to be done about that.

v0.2.1

Lots of changes, features and fixes here!

• Re-written the project workspace script to have separate release, debug and coverage build areas.
  • Automatic coverage reporting with travis and coveralls re-instated.
  • Top level makefile for running common tasks like documentation, building and testing.
• Added resolution of all module instantiations to their declarations.
• Fixed almost all memory leaks.
  • Remaining leaks are inside flex / bison, and need fixing still
  • Future work will allow objects to be released individually, rather than having to do it all at once.
  • Added a script for quickly getting a valgrind report.
  • Completely re-organised the ast_memory management functions and structures.
• All objects in the AST are now tagged by their source file name and their line number in the meta member.
• Relaxed the required FLEX version from 2.6 to 2.5.35

v0.2.0

Big changes to the internal AST data structure, but no changes to the API functions.

Changes

• The ast_module_declaration data structure has been redesigned to be much simpler to access.
  • All module items are grouped into lists of their own type.
• Added a helper function to print the full name of an identifier.
• All syntactic constructs how have their source line number recorded by default.
  • Added a "meta" member to all ast_* constructs, making it easier to store all sorts of bits of info.

Bugfixes

• Fixed problem with trireg declarations where accessing their associated list of identifiers caused a segfault.
• Fixed bad copying of some identifier names into the AST from the parser.
• Fixed the ast_list_concat function

v0.1.1

This contains a bunch of bug fixes for problems found after using the parser and syntax tree "in anger" for the first time. It also make some big changes to the build system.

• The build system is now all CMake, with documentation, coverage and testing all integrated.
• Fixed bug where identifier names were not correctly copied out of the lexer and into the AST
• Fixed bug where module port names were not returned as the correct data type.
• Fixed a dumb buffer overflow which caused travis to error our, rather than cause a fail message.

v0.1.0

First Usable Release

At this point, I feel comfortable saying that the parser is "ready to play with". That is, API stuff might change a little before v1.0.0, but that is very unlikely, and certainly not in a non-backward compatible way. Only new "helper" functions will be added.

Main Points:

• Very clear parser / lexer / pre-processor / syntax tree source files and code separation.
• Full workflow, with CI, coverage checking and documentation publishing is setup.
• Over 800 tests, many from the OpenSPARCT1 Microprocessor are included and are passing.
  • These test almost all of the syntatic features of the language.
• All of the code is documented using Doxygen.