Quelle make-windows-h-wrapper.py Sprache: Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import re
import string
import textwrap

comment_re = re.compile(r"//[^\n]*\n|/\*.*\*/", re.S)
decl_re = re.compile(
    r"""^(.+)\s+ # type
                         (\w+)\s*        # name
                         (?:$(.*)$)?$  # optional param tys
                         """,
    re.X | re.S,
)

def read_decls(filename):
    """Parse & yield C-style decls from an input file"""
    with open(filename, "r") as fd:
        # Strip comments from the source text.
        text = comment_re.sub("", fd.read())

        # Parse individual declarations.
        raw_decls = [d.strip() for d in text.split(";") if d.strip()]
        for raw in raw_decls:
            match = decl_re.match(raw)
            if match is None:
                raise "Invalid decl: %s" % raw

            ty, name, params = match.groups()
            if params is not None:
                params = [a.strip() for a in params.split(",") if a.strip()]
            yield ty, name, params

def generate(fd, consts_path, unicodes_path, template_path, compiler):
    # Parse the template
    with open(template_path, "r") as template_fd:
        template = string.Template(template_fd.read())

    decls = ""

    # Each constant should be saved to a temporary, and then re-assigned to a
    # constant with the correct name, allowing the value to be determined by
    # the actual definition.
    for ty, name, args in read_decls(consts_path):
        assert args is None, "parameters in const decl!"

        decls += textwrap.dedent(
            """
            #ifdef {name}
            constexpr {ty} _tmp_{name} = {name};
            #undef {name}
            constexpr {ty} {name} = _tmp_{name};
            #endif
            """.format(
                ty=ty, name=name
            )
        )

    # Each unicode declaration defines a static inline function with the
    # correct types which calls the 'A' or 'W'-suffixed versions of the
    # function. Full types are required here to ensure that '0' to 'nullptr'
    # coersions are preserved.
    for ty, name, args in read_decls(unicodes_path):
        assert args is not None, "argument list required for unicode decl"

        # Parameter & argument string list
        params = ", ".join("%s a%d" % (ty, i) for i, ty in enumerate(args))
        args = ", ".join("a%d" % i for i in range(len(args)))

        decls += textwrap.dedent(
            """
            #ifdef {name}
            #undef {name}
            static inline {ty} WINAPI
            {name}({params})
            #ifdef UNICODE
            {{
              return {name}W({args});
            }}
            #else
            = delete;
            #endif
            #endif
            """.format(
                ty=ty, name=name, params=params, args=args
            )
        )

    # Write out the resulting file
    fd.write(template.substitute(decls=decls))

quality67%

¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.