4 # Copyright IBM, Corp. 2011
9 # This work is licensed under the terms of the GNU GPLv2.
10 # See the COPYING.LIB file in the top-level directory.
12 from ordereddict import OrderedDict
15 'str', 'int', 'number', 'bool',
16 'int8', 'int16', 'int32', 'int64',
17 'uint8', 'uint16', 'uint32', 'uint64'
20 builtin_type_qtypes = {
21 'str': 'QTYPE_QSTRING',
23 'number': 'QTYPE_QFLOAT',
24 'bool': 'QTYPE_QBOOL',
26 'int16': 'QTYPE_QINT',
27 'int32': 'QTYPE_QINT',
28 'int64': 'QTYPE_QINT',
29 'uint8': 'QTYPE_QINT',
30 'uint16': 'QTYPE_QINT',
31 'uint32': 'QTYPE_QINT',
32 'uint64': 'QTYPE_QINT',
39 if ch in ['{', '}', ':', ',', '[', ']']:
48 raise Exception("Mismatched quotes")
66 while tokens[0] != '}':
70 tokens = tokens[1:] # :
72 value, tokens = parse(tokens)
80 elif tokens[0] == '[':
83 while tokens[0] != ']':
84 value, tokens = parse(tokens)
91 return tokens[0], tokens[1:]
94 return parse(map(lambda x: x, tokenize(string)))[0]
100 if line.startswith('#') or line == '\n':
103 if line.startswith(' '):
114 def parse_schema(fp):
117 for expr in get_expr(fp):
118 expr_eval = evaluate(expr)
120 if expr_eval.has_key('enum'):
121 add_enum(expr_eval['enum'])
122 elif expr_eval.has_key('union'):
124 add_enum('%sKind' % expr_eval['union'])
125 elif expr_eval.has_key('type'):
126 add_struct(expr_eval)
127 exprs.append(expr_eval)
131 def parse_args(typeinfo):
132 if isinstance(typeinfo, basestring):
133 struct = find_struct(typeinfo)
134 assert struct != None
135 typeinfo = struct['data']
137 for member in typeinfo:
139 argentry = typeinfo[member]
142 if member.startswith('*'):
145 if isinstance(argentry, OrderedDict):
147 yield (argname, argentry, optional, structured)
149 def de_camel_case(name):
152 if ch.isupper() and new_name:
157 new_name += ch.lower()
160 def camel_case(name):
167 new_name += ch.upper()
170 new_name += ch.lower()
173 def c_var(name, protect=True):
174 # ANSI X3J11/88-090, 3.1.1
175 c89_words = set(['auto', 'break', 'case', 'char', 'const', 'continue',
176 'default', 'do', 'double', 'else', 'enum', 'extern', 'float',
177 'for', 'goto', 'if', 'int', 'long', 'register', 'return',
178 'short', 'signed', 'sizeof', 'static', 'struct', 'switch',
179 'typedef', 'union', 'unsigned', 'void', 'volatile', 'while'])
180 # ISO/IEC 9899:1999, 6.4.1
181 c99_words = set(['inline', 'restrict', '_Bool', '_Complex', '_Imaginary'])
182 # ISO/IEC 9899:2011, 6.4.1
183 c11_words = set(['_Alignas', '_Alignof', '_Atomic', '_Generic', '_Noreturn',
184 '_Static_assert', '_Thread_local'])
185 # GCC http://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/C-Extensions.html
187 gcc_words = set(['asm', 'typeof'])
188 # namespace pollution:
189 polluted_words = set(['unix'])
190 if protect and (name in c89_words | c99_words | c11_words | gcc_words | polluted_words):
192 return name.replace('-', '_').lstrip("*")
194 def c_fun(name, protect=True):
195 return c_var(name, protect).replace('.', '_')
197 def c_list_type(name):
198 return '%sList' % name
201 if type(name) == list:
202 return c_list_type(name[0])
209 def add_struct(definition):
211 struct_types.append(definition)
213 def find_struct(name):
215 for struct in struct_types:
216 if struct['type'] == name:
220 def add_union(definition):
222 union_types.append(definition)
224 def find_union(name):
226 for union in union_types:
227 if union['union'] == name:
233 enum_types.append(name)
237 return (name in enum_types)
244 elif (name == 'int8' or name == 'int16' or name == 'int32' or
245 name == 'int64' or name == 'uint8' or name == 'uint16' or
246 name == 'uint32' or name == 'uint64'):
252 elif name == 'number':
254 elif type(name) == list:
255 return '%s *' % c_list_type(name[0])
258 elif name == None or len(name) == 0:
260 elif name == name.upper():
261 return '%sEvent *' % camel_case(name)
265 def genindent(count):
267 for i in range(count):
273 def push_indent(indent_amount=4):
275 indent_level += indent_amount
277 def pop_indent(indent_amount=4):
279 indent_level -= indent_amount
281 def cgen(code, **kwds):
282 indent = genindent(indent_level)
283 lines = code.split('\n')
284 lines = map(lambda x: indent + x, lines)
285 return '\n'.join(lines) % kwds + '\n'
287 def mcgen(code, **kwds):
288 return cgen('\n'.join(code.split('\n')[1:-1]), **kwds)
290 def basename(filename):
291 return filename.split("/")[-1]
293 def guardname(filename):
294 guard = basename(filename).rsplit(".", 1)[0]
295 for substr in [".", " ", "-"]:
296 guard = guard.replace(substr, "_")
297 return guard.upper() + '_H'
299 def guardstart(name):
306 name=guardname(name))
311 #endif /* %(name)s */
314 name=guardname(name))