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#!/usr/bin/env python3
# Example invocation
# cd /path/to/gobject-introspection
# python3 misc/update-vulkan-gir.py -i /usr/include/vulkan/vulkan.h -o gir/Vulkan-1.0.gir --extra-cpp-args='-I/path/to/pycparser/utils/fake_libc_include/'
import sys
import argparse
from pycparser import c_parser, c_ast, parse_file
class TypedefVisitor(c_ast.NodeVisitor):
def __init__ (self, f):
super().__init__()
self.f = f
def visit_Typedef(self, node):
if node.name.startswith("Vk"):
self.f.write("<record name=\"" + str(node.name)[2:] + "\" c:type=\"" + str(node.name) + "\"/>\n")
def show_func_defs(filename, output, extra_cpp_args=None):
# Note that cpp is used. Provide a path to your own cpp or
# make sure one exists in PATH.
ast = parse_file(filename, use_cpp=True,
cpp_args=extra_cpp_args)
with open(output, 'w', encoding='utf-8') as f:
f.write("""<?xml version="1.0"?>
<repository version="1.2"
xmlns="http://www.gtk.org/introspection/core/1.0"
xmlns:c="http://www.gtk.org/introspection/c/1.0">
<namespace name="Vulkan" version="1.0"
c:identifier-prefixes="VK"
c:symbol-prefixes="vk">
""")
v = TypedefVisitor(f)
v.visit(ast)
f.write("""
</namespace>
</repository>
""")
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Parse Vulkan header files to produce Vulkan-1.0.gir")
parser.add_argument('-i', '--input', type=str,
help='The input vulkan header to process')
parser.add_argument('--extra-cpp-args', type=str, default=None,
help='Extra arguments to parse to the C Preprocesser. e.g. the location pycparser\'s fake libc includes')
parser.add_argument('-o', '--output', type=str, default='Vulkan-1.0.gir',
help='The output Vulkan-1.0.gir location')
args = parser.parse_args(sys.argv[1:])
show_func_defs(args.input, args.output, args.extra_cpp_args)
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