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v0.5.1
Revision bfe1f74e39d0049a829962050e86a6a2d2a2781e authored by Victor Stinner on 01 October 2019, 11:52:00 UTC, committed by GitHub on 01 October 2019, 11:52:00 UTC 
[3.8] bpo-3832: Fix compiler warnings (GH-16518)
 
* bpo-38321: Fix _asynciomodule.c compiler warning (GH-16493)

bpo-38248, bpo-38321: Fix warning:

    modules\_asynciomodule.c(2667):
    warning C4102: 'set_exception': unreferenced label

The related goto has been removed by
commit edad4d89e357c92f70c0324b937845d652b20afd.

(cherry picked from commit efe74b6369a8d08f27c69703fcc1686966e51068)

* bpo-38321: Fix PyCStructUnionType_update_stgdict() warning (GH-16492)

bpo-22273, bpo-38321: Fix following warning:

    modules\_ctypes\stgdict.c(704):
    warning C4244: 'initializing': conversion from 'Py_ssize_t' to 'int', possible loss of data

(cherry picked from commit c9a413ede47171a224c72dd34122005170caaad4)
1 parent 6b4c70a
Raw File
makeopcodetargets.py 
#! /usr/bin/env python
"""Generate C code for the jump table of the threaded code interpreter
(for compilers supporting computed gotos or "labels-as-values", such as gcc).
"""

import os
import sys


try:
    from importlib.machinery import SourceFileLoader
except ImportError:
    import imp

    def find_module(modname):
        """Finds and returns a module in the local dist/checkout.
        """
        modpath = os.path.join(
            os.path.dirname(os.path.dirname(__file__)), "Lib")
        return imp.load_module(modname, *imp.find_module(modname, [modpath]))
else:
    def find_module(modname):
        """Finds and returns a module in the local dist/checkout.
        """
        modpath = os.path.join(
            os.path.dirname(os.path.dirname(__file__)), "Lib", modname + ".py")
        return SourceFileLoader(modname, modpath).load_module()


def write_contents(f):
    """Write C code contents to the target file object.
    """
    opcode = find_module('opcode')
    targets = ['_unknown_opcode'] * 256
    for opname, op in opcode.opmap.items():
        targets[op] = "TARGET_%s" % opname
    f.write("static void *opcode_targets[256] = {\n")
    f.write(",\n".join(["    &&%s" % s for s in targets]))
    f.write("\n};\n")


def main():
    if len(sys.argv) >= 3:
        sys.exit("Too many arguments")
    if len(sys.argv) == 2:
        target = sys.argv[1]
    else:
        target = "Python/opcode_targets.h"
    with open(target, "w") as f:
        write_contents(f)
    print("Jump table written into %s" % target)


if __name__ == "__main__":
    main()
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