3 """ This file generates a c file from a list of cpp prototypes. """
6 from gen_pyobject import write_msg, gen_new_init, gen_do, gen_members, gen_methods, gen_finish
10 cpp_output = [l.strip() for l in os.popen('cpp -DAUBIO_UNSTABLE=1 -I../build/src ../src/aubio.h').readlines()]
12 cpp_output = filter(lambda y: len(y) > 1, cpp_output)
13 cpp_output = filter(lambda y: not y.startswith('#'), cpp_output)
17 if i >= len(cpp_output): break
18 if cpp_output[i-1].endswith(',') or cpp_output[i-1].endswith('{') or cpp_output[i].startswith('}'):
19 cpp_output[i] = cpp_output[i-1] + ' ' + cpp_output[i]
24 typedefs = filter(lambda y: y.startswith ('typedef struct _aubio'), cpp_output)
26 cpp_objects = [a.split()[3][:-1] for a in typedefs]
28 return cpp_output, cpp_objects
30 def generate_object_files(output_path):
31 if os.path.isdir(output_path): shutil.rmtree(output_path)
34 generated_objects = []
35 cpp_output, cpp_objects = get_cpp_objects()
62 write_msg("-- INFO: %d objects in total" % len(cpp_objects))
64 for this_object in cpp_objects:
67 if this_object[-2:] == '_t':
68 object_name = this_object[:-2]
70 object_name = this_object
71 write_msg("-- WARNING: %s does not end in _t" % this_object)
73 if object_name[:len('aubio_')] != 'aubio_':
74 write_msg("-- WARNING: %s does not start n aubio_" % this_object)
76 write_msg("-- INFO: looking at", object_name)
77 object_methods = filter(lambda x: this_object in x, cpp_output)
78 object_methods = [a.strip() for a in object_methods]
79 object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
80 #for method in object_methods:
82 new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
83 if len(new_methods) > 1:
84 write_msg("-- WARNING: more than one new method for", object_name)
85 for method in new_methods:
87 elif len(new_methods) < 1:
88 write_msg("-- WARNING: no new method for", object_name)
90 for method in new_methods:
93 del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
94 if len(del_methods) > 1:
95 write_msg("-- WARNING: more than one del method for", object_name)
96 for method in del_methods:
98 elif len(del_methods) < 1:
99 write_msg("-- WARNING: no del method for", object_name)
101 do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
102 if len(do_methods) > 1:
104 #write_msg("-- WARNING: more than one do method for", object_name)
105 #for method in do_methods:
107 elif len(do_methods) < 1:
108 write_msg("-- WARNING: no do method for", object_name)
110 for method in do_methods:
113 # check do methods return void
114 for method in do_methods:
115 if (method.split()[0] != 'void'):
116 write_msg("-- ERROR: _do method does not return void:", method )
118 get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
120 set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
121 for method in set_methods:
122 if (method.split()[0] != 'uint_t'):
123 write_msg("-- ERROR: _set method does not return uint_t:", method )
125 other_methods = filter(lambda x: x not in new_methods, object_methods)
126 other_methods = filter(lambda x: x not in del_methods, other_methods)
127 other_methods = filter(lambda x: x not in do_methods, other_methods)
128 other_methods = filter(lambda x: x not in get_methods, other_methods)
129 other_methods = filter(lambda x: x not in set_methods, other_methods)
131 if len(other_methods) > 0:
132 write_msg("-- WARNING: some methods for", object_name, "were unidentified")
133 for method in other_methods:
137 # generate this_object
138 short_name = object_name[len('aubio_'):]
139 if short_name in skip_objects:
140 write_msg("-- INFO: skipping object", short_name )
143 s = gen_new_init(new_methods[0], short_name)
144 s += gen_do(do_methods[0], short_name)
145 s += gen_members(new_methods[0], short_name)
146 s += gen_methods(get_methods, set_methods, short_name)
147 s += gen_finish(short_name)
148 generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
149 fd = open(generated_filepath, 'w')
151 #except Exception, e:
152 # write_msg("-- ERROR:", type(e), str(e), "in", short_name)
154 generated_objects += [this_object]
156 s = """// generated list of objects created with generator.py
161 for each in generated_objects:
162 types_ready.append(" PyType_Ready (&Py_%sType) < 0" % \
163 each.replace('aubio_','').replace('_t','') )
165 s = """// generated list of objects created with generator.py
167 #include "aubio-generated.h"
171 int generated_types_ready (void)
175 s += ('\n ||').join(types_ready)
181 void add_generated_objects ( PyObject *m )
183 for each in generated_objects:
185 Py_INCREF (&Py_%(name)sType);
186 PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
187 { 'name': ( each.replace('aubio_','').replace('_t','') ) }
192 fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
195 s = """// generated list of objects created with generator.py
201 for each in generated_objects:
202 s += "extern PyTypeObject Py_%sType;\n" % \
203 each.replace('aubio_','').replace('_t','')
205 s+= "int generated_objects ( void );\n"
206 s+= "void add_generated_objects( PyObject *m );\n"
208 fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
211 from os import listdir
212 generated_files = listdir(output_path)
213 generated_files = filter(lambda x: x.endswith('.c'), generated_files)
214 generated_files = [output_path+'/'+f for f in generated_files]
215 return generated_files
217 if __name__ == '__main__':
218 generate_object_files('gen')