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()
36 skip_objects = ['fft',
47 write_msg("-- INFO: %d objects in total" % len(cpp_objects))
49 for this_object in cpp_objects:
52 if this_object[-2:] == '_t':
53 object_name = this_object[:-2]
55 object_name = this_object
56 write_msg("-- WARNING: %s does not end in _t" % this_object)
58 if object_name[:len('aubio_')] != 'aubio_':
59 write_msg("-- WARNING: %s does not start n aubio_" % this_object)
61 write_msg("-- INFO: looking at", object_name)
62 object_methods = filter(lambda x: this_object in x, cpp_output)
63 object_methods = [a.strip() for a in object_methods]
64 object_methods = filter(lambda x: not x.startswith('typedef'), object_methods)
65 #for method in object_methods:
67 new_methods = filter(lambda x: 'new_'+object_name in x, object_methods)
68 if len(new_methods) > 1:
69 write_msg("-- WARNING: more than one new method for", object_name)
70 for method in new_methods:
72 elif len(new_methods) < 1:
73 write_msg("-- WARNING: no new method for", object_name)
75 for method in new_methods:
78 del_methods = filter(lambda x: 'del_'+object_name in x, object_methods)
79 if len(del_methods) > 1:
80 write_msg("-- WARNING: more than one del method for", object_name)
81 for method in del_methods:
83 elif len(del_methods) < 1:
84 write_msg("-- WARNING: no del method for", object_name)
86 do_methods = filter(lambda x: object_name+'_do' in x, object_methods)
87 if len(do_methods) > 1:
89 #write_msg("-- WARNING: more than one do method for", object_name)
90 #for method in do_methods:
92 elif len(do_methods) < 1:
93 write_msg("-- WARNING: no do method for", object_name)
95 for method in do_methods:
98 # check do methods return void
99 for method in do_methods:
100 if (method.split()[0] != 'void'):
101 write_msg("-- ERROR: _do method does not return void:", method )
103 get_methods = filter(lambda x: object_name+'_get_' in x, object_methods)
105 set_methods = filter(lambda x: object_name+'_set_' in x, object_methods)
106 for method in set_methods:
107 if (method.split()[0] != 'uint_t'):
108 write_msg("-- ERROR: _set method does not return uint_t:", method )
110 other_methods = filter(lambda x: x not in new_methods, object_methods)
111 other_methods = filter(lambda x: x not in del_methods, other_methods)
112 other_methods = filter(lambda x: x not in do_methods, other_methods)
113 other_methods = filter(lambda x: x not in get_methods, other_methods)
114 other_methods = filter(lambda x: x not in set_methods, other_methods)
116 if len(other_methods) > 0:
117 write_msg("-- WARNING: some methods for", object_name, "were unidentified")
118 for method in other_methods:
122 # generate this_object
123 short_name = object_name[len('aubio_'):]
124 if short_name in skip_objects:
125 write_msg("-- INFO: skipping object", short_name )
128 s = gen_new_init(new_methods[0], short_name)
129 s += gen_do(do_methods[0], short_name)
130 s += gen_members(new_methods[0], short_name)
131 s += gen_methods(get_methods, set_methods, short_name)
132 s += gen_finish(short_name)
133 generated_filepath = os.path.join(output_path,'gen-'+short_name+'.c')
134 fd = open(generated_filepath, 'w')
136 #except Exception, e:
137 # write_msg("-- ERROR:", type(e), str(e), "in", short_name)
139 generated_objects += [this_object]
141 s = """// generated list of objects created with generator.py
146 for each in generated_objects:
147 types_ready.append(" PyType_Ready (&Py_%sType) < 0" % \
148 each.replace('aubio_','').replace('_t','') )
150 s = """// generated list of objects created with generator.py
152 #include "aubio-generated.h"
156 int generated_types_ready (void)
160 s += ('\n ||').join(types_ready)
166 void add_generated_objects ( PyObject *m )
168 for each in generated_objects:
170 Py_INCREF (&Py_%(name)sType);
171 PyModule_AddObject (m, "%(name)s", (PyObject *) & Py_%(name)sType);""" % \
172 { 'name': ( each.replace('aubio_','').replace('_t','') ) }
177 fd = open(os.path.join(output_path,'aubio-generated.c'), 'w')
180 s = """// generated list of objects created with generator.py
186 for each in generated_objects:
187 s += "extern PyTypeObject Py_%sType;\n" % \
188 each.replace('aubio_','').replace('_t','')
190 s+= "int generated_objects ( void );\n"
191 s+= "void add_generated_objects( PyObject *m );\n"
193 fd = open(os.path.join(output_path,'aubio-generated.h'), 'w')
196 from os import listdir
197 generated_files = listdir(output_path)
198 generated_files = filter(lambda x: x.endswith('.c'), generated_files)
199 generated_files = [output_path+'/'+f for f in generated_files]
200 return generated_files
202 if __name__ == '__main__':
203 generate_object_files('gen')