python scripts: Generate file header with #include statements
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@ -20,7 +20,7 @@
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from optparse import OptionParser
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import pprint
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from pycparser import c_parser, c_ast, parse_file
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from value_string import export_value_str
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from value_string import *
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class EnumValStrVisitor(c_ast.NodeVisitor):
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"Generate a 'struct value_string' from an enum"
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@ -30,7 +30,7 @@ class EnumValStrVisitor(c_ast.NodeVisitor):
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vdict = {}
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for val in elist.enumerators:
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vdict[val.name] = val.name
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export_value_str(name, vdict, sort_key=None)
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wr.export_value_str(name, vdict, sort_key=None)
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class EnumValuePrinter(c_ast.NodeVisitor):
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def visit_Enum(self, node):
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@ -49,11 +49,19 @@ class EnumValuePrinter(c_ast.NodeVisitor):
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parser = OptionParser()
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parser.add_option("-f", "--flavor", dest="flavor", default='osmocom',
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help="Flavor of generated C (osmocom, wireshark)")
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parser.add_option("-w", "--weak-symbol", dest="weak", default=True,
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help="Generate weak symbols")
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(options, args) = parser.parse_args()
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filename = args[0]
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ast = parse_file(filename, use_cpp=True)
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wr = ValueStringWriter(flavor=options.flavor, weak=options.weak,
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includes=[filename])
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wr.export_header()
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v = EnumValStrVisitor()
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#v = EnumValuePrinter()
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v.visit(ast)
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@ -17,13 +17,28 @@
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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class ValueStringWriter(object):
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def __init__(self, flavor='osmocom', weak=False, includes=[]):
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self.flavor = flavor
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self.weak = weak
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self.includes = includes
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def export_value_str(name, vals, flavor='osmocom', sort_key=int):
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if flavor == 'osmocom':
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print("const struct value_string %s[] = {" % name);
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elif flavor == 'wireshark':
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print("const value_string %s[] = {" % name);
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for v in sorted(vals.iterkeys(), key=sort_key):
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print("\t{ %s, \"%s\" }," % (v, vals[v]));
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print("\t{ 0, NULL }")
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print("};");
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def export_value_str(self, name, vals, sort_key=int):
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if self.weak:
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print("__attribute__((weak))")
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if self.flavor == 'osmocom':
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print("const struct value_string %s[] = {" % name);
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elif self.flavor == 'wireshark':
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print("const value_string %s[] = {" % name);
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for v in sorted(vals.iterkeys(), key=sort_key):
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print("\t{ %s, \"%s\" }," % (v, vals[v]));
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print("\t{ 0, NULL }")
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print("};");
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def export_header(self):
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print("/* GENERATED FILE, DO NOT EDIT */")
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if self.flavor == 'osmocom':
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print("#include <osmocom/core/utils.h>")
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for i in self.includes:
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print('#include "%s"' % i)
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print("")
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