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objbool.c

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    • Damien George's avatar
      20006dbb
      Make VM stack grow upwards, and so no reversed args arrays. · 20006dbb
      Damien George authored
      Change state layout in VM so the stack starts at state[0] and grows
      upwards.  Locals are at the top end of the state and number downwards.
      This cleans up a lot of the interface connecting the VM to C: now all
      functions that take an array of Micro Python objects are in order (ie no
      longer in reverse).
      
      Also clean up C API with keyword arguments (call_n and call_n_kw
      replaced with single call method that takes keyword arguments).  And now
      make_new takes keyword arguments.
      
      emitnative.c has not yet been changed to comply with the new order of
      stack layout.
      20006dbb
      History
      Make VM stack grow upwards, and so no reversed args arrays.
      Damien George authored
      Change state layout in VM so the stack starts at state[0] and grows
      upwards.  Locals are at the top end of the state and number downwards.
      This cleans up a lot of the interface connecting the VM to C: now all
      functions that take an array of Micro Python objects are in order (ie no
      longer in reverse).
      
      Also clean up C API with keyword arguments (call_n and call_n_kw
      replaced with single call method that takes keyword arguments).  And now
      make_new takes keyword arguments.
      
      emitnative.c has not yet been changed to comply with the new order of
      stack layout.
    fix-multi-decl.py 1.33 KiB
    #!/usr/bin/env python3
    #
    # I prefer to have the closing brace of a multi-line declaration or function call on its
    # own line.  This is unfortunately not yet supported by clang-format.  This script is
    # a hack to manually introduce my style.
    #
    # Tracking for this style in clang-format: https://reviews.llvm.org/D33029
    #
    # Example
    # =======
    # This is the style I want:
    #
    #     printf(
    #         "Hello %s %d\n",
    #         "World",
    #         123
    #     );
    import re
    import sys
    
    EXPR = r"""                         # Indentation is saved to <ws>
    ^(?P<ws>[ \t]*)(?P<decl>.*\(\n      # Opening line, ending with (\n
        (?:.*,\n)*                      # Lines with arguments, all ending with ,\n
        .*)\)(?P<final>[); \t]*)\n      # Last line with closing brace & optional following characters
    (?![ \t]*\).*)                      # Don't match an already expanded decl
    """
    
    
    def main():
        with open(sys.argv[1], "r") as f:
            source = f.read()
    
        fixed = re.sub(
            EXPR,
            r"\g<ws>\g<decl>\n\g<ws>)\g<final>\n",
            source,
            flags=re.MULTILINE | re.VERBOSE,
        )
    
        # Fix function definitions that can now be pulled into one line
        fixed = re.sub(
            r"^\)\n{$",
            r") {",
            fixed,
            flags=re.MULTILINE,
        )
    
        with open(sys.argv[1], "w") as f:
            f.write(fixed)
    
    
    if __name__ == "__main__":
        main()