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()
69 write_msg("-- INFO: %d objects in total" % len(cpp_objects))
71 for this_object in cpp_objects:
74 if this_object[-2:] == '_t':
75 object_name = this_object[:-2]
77 object_name = this_object
78 write_msg("-- WARNING: %s does not end in _t" % this_object)
80 if object_name[:len('aubio_')] != 'aubio_':
81 write_msg("-- WARNING: %s does not start n aubio_" % this_object)
83 write_msg("-- INFO: looking at", object_name)
84 object_methods = filter(lambda x: this_object in x, cpp_output)
85 object_methods = [a.strip() for a in object_methods]
86 object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
87 #for method in object_methods:
89 new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
90 if len(new_methods) > 1:
91 write_msg("-- WARNING: more than one new method for", object_name)
92 for method in new_methods:
94 elif len(new_methods) < 1:
95 write_msg("-- WARNING: no new method for", object_name)
97 for method in new_methods:
100 del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
101 if len(del_methods) > 1:
102 write_msg("-- WARNING: more than one del method for", object_name)
103 for method in del_methods:
105 elif len(del_methods) < 1:
106 write_msg("-- WARNING: no del method for", object_name)
108 do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
109 if len(do_methods) > 1:
111 #write_msg("-- WARNING: more than one do method for", object_name)
112 #for method in do_methods:
114 elif len(do_methods) < 1:
115 write_msg("-- WARNING: no do method for", object_name)
117 for method in do_methods:
120 # check do methods return void
121 for method in do_methods:
122 if (method.split()[0] != 'void'):
123 write_msg("-- ERROR: _do method does not return void:", method )
125 get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
127 set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
128 for method in set_methods:
129 if (method.split()[0] != 'uint_t'):
130 write_msg("-- ERROR: _set method does not return uint_t:", method )
132 other_methods = filter(lambda x: x not in new_methods, object_methods)
133 other_methods = filter(lambda x: x not in del_methods, other_methods)
134 other_methods = filter(lambda x: x not in do_methods, other_methods)
135 other_methods = filter(lambda x: x not in get_methods, other_methods)
136 other_methods = filter(lambda x: x not in set_methods, other_methods)
138 if len(other_methods) > 0:
139 write_msg("-- WARNING: some methods for", object_name, "were unidentified")
140 for method in other_methods:
144 # generate this_object
145 short_name = object_name[len('aubio_'):]
146 if short_name in skip_objects:
147 write_msg("-- INFO: skipping object", short_name )
150 s = gen_new_init(new_methods[0], short_name)
151 s += gen_do(do_methods[0], short_name)
152 s += gen_members(new_methods[0], short_name)
153 s += gen_methods(get_methods, set_methods, short_name)
154 s += gen_finish(short_name)
155 generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
156 fd = open(generated_filepath, 'w')
158 #except Exception, e:
159 # write_msg("-- ERROR:", type(e), str(e), "in", short_name)
161 generated_objects += [this_object]
163 s = """// generated list of objects created with generator.py
168 for each in generated_objects:
169 types_ready.append(" PyType_Ready (&Py_%sType) < 0" % \
170 each.replace('aubio_','').replace('_t','') )
172 s = """// generated list of objects created with generator.py
174 #include "aubio-generated.h"
178 int generated_types_ready (void)
182 s += ('\n ||').join(types_ready)
188 void add_generated_objects ( PyObject *m )
190 for each in generated_objects:
192 Py_INCREF (&Py_%(name)sType);
193 PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
194 { 'name': ( each.replace('aubio_','').replace('_t','') ) }
199 fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
202 s = """// generated list of objects created with generator.py
208 for each in generated_objects:
209 s += "extern PyTypeObject Py_%sType;\n" % \
210 each.replace('aubio_','').replace('_t','')
212 s+= "int generated_objects ( void );\n"
213 s+= "void add_generated_objects( PyObject *m );\n"
215 fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
218 from os import listdir
219 generated_files = listdir(output_path)
220 generated_files = filter(lambda x: x.endswith('.c'), generated_files)
221 generated_files = [output_path+'/'+f for f in generated_files]
222 return generated_files
224 if __name__ == '__main__':
225 generate_object_files('gen')