2 # -*- coding: utf-8 -*-
4 # Copyright (c) 2014. The SimGrid Team.
7 # This program is free software; you can redistribute it and/or modify it
8 # under the terms of the license (GNU LGPL) which comes with this package.
12 types = [('TCHAR', 'char', 'c')
13 ,('TSTRING', 'const char*', 'cc')
15 ,('TLONG', 'long', 'l')
16 ,('TUCHAR', 'unsigned char', 'uc')
17 ,('TUSHORT', 'unsigned short', 'us')
18 ,('TUINT', 'unsigned int', 'ui')
19 ,('TULONG', 'unsigned long', 'ul')
20 ,('TFLOAT', 'float', 'f')
21 ,('TDOUBLE', 'double', 'd')
22 ,('TDPTR', 'void*', 'dp')
23 ,('TFPTR', 'FPtr', 'fp')
24 ,('TCPTR', 'const void*', 'cp')
25 ,('TSIZE', 'size_t', 'sz')
26 ,('TSGSIZE', 'sg_size_t', 'sgsz')
27 ,('TVOID', 'void', '')
28 ,('TDSPEC', 'void*', 'dp')
29 ,('TFSPEC', 'FPtr', 'fp')]
32 simcall_types = {k:v for _,k,v in types}
33 def __init__(self, name, type, casted=None):
37 assert type in self.simcall_types, '%s not in (%s)'%(type, ', '.join(self.simcall_types.keys()))
40 return self.simcall_types[self.type]
43 return '%s'%self.casted if self.casted else self.type
46 return '(%s)'%self.casted if self.casted else ''
48 class Simcall(object):
51 def __init__(self, name, res, args, has_answer=True):
55 self.has_answer = has_answer
58 # smx_user.c simcall_BODY_
59 # smx_*.c void SIMIX_pre_host_on(smx_simcall_t simcall, smx_host_t h)
64 if self.simcalls_BODY is None:
65 f = open('smx_user.c')
66 self.simcalls_BODY = set(re.findall('simcall_BODY_(.*?)\(', f.read()))
68 if self.name not in self.simcalls_BODY:
69 print '# ERROR: No function calling simcall_BODY_%s'%self.name
70 print '# Add something like this to smx_user.c:'
71 print '''%s simcall_%s(%s)
73 return simcall_BODY_%s(%s);
74 }\n'''%(self.res.ret()
76 ,', '.join('%s %s'%(arg.ret(), arg.name)
79 ,', '.join(arg.name for arg in self.args))
84 if self.simcalls_PRE is None:
85 self.simcalls_PRE = set()
86 for fn in glob.glob('smx_*') + glob.glob('../mc/*'):
88 self.simcalls_PRE |= set(re.findall('SIMIX_pre_(.*?)\(', f.read()))
90 if self.name not in self.simcalls_PRE:
91 print '# ERROR: No function called SIMIX_pre_%s'%self.name
92 print '# Add something like this to smx_.*.c:'
93 print '''%s SIMIX_pre_%s(smx_simcall_t simcall%s)
95 // Your code handling the simcall
96 }\n'''%(self.res.ret()
98 ,''.join(', %s %s'%(arg.ret(), arg.name)
99 for arg in self.args))
104 return 'SIMCALL_%s,'%(self.name.upper())
107 return '[SIMCALL_%s] = "SIMCALL_%s",'%(self.name.upper(), self.name.upper())
109 def result_getter_setter(self):
110 return '%s\n%s'%(self.result_getter(), self.result_setter())
112 def result_getter(self):
113 return '' if self.res.type == 'void' else '''static inline %s simcall_%s__get__result(smx_simcall_t simcall){
114 return %s simcall->result.%s;
115 }'''%(self.res.ret(), self.name, self.res.cast(), self.res.field())
117 def result_setter(self):
118 return '' if self.res.type == 'void' else '''static inline void simcall_%s__set__result(smx_simcall_t simcall, %s result){
119 simcall->result.%s = result;
120 }'''%(self.name, self.res.type, self.res.field())
122 def args_getter_setter(self):
124 for i in range(len(self.args)):
125 res.append(self.arg_getter(i))
126 res.append(self.arg_setter(i))
127 return '\n'.join(res)
129 def arg_getter(self, i):
131 return '''static inline %s simcall_%s__get__%s(smx_simcall_t simcall){
132 return %s simcall->args[%i].%s;
133 }'''%(arg.ret(), self.name, arg.name, arg.cast(), i, arg.field())
135 def arg_setter(self, i):
137 return '''static inline void simcall_%s__set__%s(smx_simcall_t simcall, %s arg){
138 simcall->args[%i].%s = arg;
139 }'''%(self.name, arg.name, arg.type, i, arg.field())
142 return '''case SIMCALL_%s:
143 %sSIMIX_pre_%s(simcall %s);
145 '''%(self.name.upper(),
146 'simcall->result.%s = '%self.res.field() if self.res.type != 'void' and self.has_answer else ' ',
148 ''.join(', %s simcall->args[%d].%s'%(arg.cast(), i, arg.field())
149 for i, arg in enumerate(self.args)),
150 'SIMIX_simcall_answer(simcall);\n ' if self.has_answer else ' ')
153 return ''' inline static %s simcall_BODY_%s(%s) {
154 smx_process_t self = SIMIX_process_self();
155 self->simcall.call = SIMCALL_%s;
156 memset(&self->simcall.result, 0, sizeof(self->simcall.result));
157 memset(self->simcall.args, 0, sizeof(self->simcall.args));
159 if (self != simix_global->maestro_process) {
160 XBT_DEBUG("Yield process '%%s' on simcall %%s (%%d)", self->name,
161 SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
162 SIMIX_process_yield(self);
164 SIMIX_simcall_pre(&self->simcall, 0);
169 ,', '.join('%s %s'%(arg.ret(), arg.name)
170 for arg in self.args)
172 ,'\n'.join(' self->simcall.args[%d].%s = (%s) %s;'%(i, arg.field(), arg.type, arg.name)
173 for i, arg in enumerate(self.args))
174 ,'' if self.res.type == 'void' else 'return self->simcall.result.%s;'%self.res.field())
180 for line in open(fn).read().split('\n'):
181 if line.startswith('##'):
183 resd[re.search(r'## *(.*)', line).group(1)] = resdi
184 if line.startswith('#') or not line:
186 match = re.match(r'(\S*?) *(\S*?) *\((.*?)(?:, *(.*?))?\) *(.*)', line)
188 name, ans, rest, resc, args = match.groups()
190 for n,t,c in re.findall(r'\((.*?), *(.*?)(?:, *(.*?))?\)', args):
191 sargs.append(Arg(n,t,c))
192 sim = Simcall(name, Arg('result', rest, resc), sargs, ans == 'True')
199 def write(fn, func, scs, scd):
201 f.write('/*********************************************\n')
202 f.write(' * File Generated by src/simix/simcalls.py *\n')
203 f.write(' * from src/simix/simcalls.in *\n')
204 f.write(' * Do not modify this file, add new simcalls *\n')
205 f.write(' * in src/simix/simcalls.in *\n')
206 f.write(' *********************************************/\n\n')
207 f.write('\n'.join(func(sc) for sc in scs))
208 for k, v in scd.items():
209 f.write('\n#ifdef %s\n%s\n#endif\n'%(k, '\n'.join(func(sc) for sc in v)))
212 if __name__=='__main__':
214 simcalls, simcalls_dict = parse('simcalls.in')
217 ok &= all(map(Simcall.check, simcalls))
218 for k,v in simcalls_dict.items():
219 ok &= all(map(Simcall.check, v))
223 write('simcalls_generated_enum.h', Simcall.enum, simcalls, simcalls_dict)
224 write('simcalls_generated_string.c', Simcall.string, simcalls, simcalls_dict)
225 write('simcalls_generated_res_getter_setter.h', Simcall.result_getter_setter, simcalls, simcalls_dict)
226 write('simcalls_generated_args_getter_setter.h', Simcall.args_getter_setter, simcalls, simcalls_dict)
227 write('simcalls_generated_case.c', Simcall.case, simcalls, simcalls_dict)
228 write('simcalls_generated_body.c', Simcall.body, simcalls, simcalls_dict)