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 ,('TSGOFF', 'sg_offset_t', 'sgoff')
28 ,('TVOID', 'void', '')
29 ,('TDSPEC', 'void*', 'dp')
30 ,('TFSPEC', 'FPtr', 'fp')]
33 simcall_types = {k:v for _,k,v in types}
34 def __init__(self, name, type, casted=None):
38 assert type in self.simcall_types, '%s not in (%s)'%(type, ', '.join(self.simcall_types.keys()))
41 return self.simcall_types[self.type]
44 return '%s'%self.casted if self.casted else self.type
47 return '(%s)'%self.casted if self.casted else ''
49 class Simcall(object):
52 def __init__(self, name, res, args, has_answer=True):
56 self.has_answer = has_answer
59 # smx_user.c simcall_BODY_
60 # smx_*.c void SIMIX_pre_host_on(smx_simcall_t simcall, smx_host_t h)
65 if self.simcalls_BODY is None:
66 f = open('smx_user.c')
67 self.simcalls_BODY = set(re.findall('simcall_BODY_(.*?)\(', f.read()))
69 if self.name not in self.simcalls_BODY:
70 print '# ERROR: No function calling simcall_BODY_%s'%self.name
71 print '# Add something like this to smx_user.c:'
72 print '''%s simcall_%s(%s)
74 return simcall_BODY_%s(%s);
75 }\n'''%(self.res.ret()
77 ,', '.join('%s %s'%(arg.ret(), arg.name)
80 ,', '.join(arg.name for arg in self.args))
85 if self.simcalls_PRE is None:
86 self.simcalls_PRE = set()
87 for fn in glob.glob('smx_*') + glob.glob('../mc/*'):
89 self.simcalls_PRE |= set(re.findall('SIMIX_pre_(.*?)\(', f.read()))
91 if self.name not in self.simcalls_PRE:
92 print '# ERROR: No function called SIMIX_pre_%s'%self.name
93 print '# Add something like this to smx_.*.c:'
94 print '''%s SIMIX_pre_%s(smx_simcall_t simcall%s)
96 // Your code handling the simcall
97 }\n'''%(self.res.ret()
99 ,''.join(', %s %s'%(arg.ret(), arg.name)
100 for arg in self.args))
105 return 'SIMCALL_%s,'%(self.name.upper())
108 return '[SIMCALL_%s] = "SIMCALL_%s",'%(self.name.upper(), self.name.upper())
110 def result_getter_setter(self):
111 return '%s\n%s'%(self.result_getter(), self.result_setter())
113 def result_getter(self):
114 return '' if self.res.type == 'void' else '''static inline %s simcall_%s__get__result(smx_simcall_t simcall){
115 return %s simcall->result.%s;
116 }'''%(self.res.ret(), self.name, self.res.cast(), self.res.field())
118 def result_setter(self):
119 return '' if self.res.type == 'void' else '''static inline void simcall_%s__set__result(smx_simcall_t simcall, %s result){
120 simcall->result.%s = result;
121 }'''%(self.name, self.res.type, self.res.field())
123 def args_getter_setter(self):
125 for i in range(len(self.args)):
126 res.append(self.arg_getter(i))
127 res.append(self.arg_setter(i))
128 return '\n'.join(res)
130 def arg_getter(self, i):
132 return '''static inline %s simcall_%s__get__%s(smx_simcall_t simcall){
133 return %s simcall->args[%i].%s;
134 }'''%(arg.ret(), self.name, arg.name, arg.cast(), i, arg.field())
136 def arg_setter(self, i):
138 return '''static inline void simcall_%s__set__%s(smx_simcall_t simcall, %s arg){
139 simcall->args[%i].%s = arg;
140 }'''%(self.name, arg.name, arg.type, i, arg.field())
143 return '''case SIMCALL_%s:
144 %sSIMIX_pre_%s(simcall %s);
146 '''%(self.name.upper(),
147 'simcall->result.%s = '%self.res.field() if self.res.type != 'void' and self.has_answer else ' ',
149 ''.join(', %s simcall->args[%d].%s'%(arg.cast(), i, arg.field())
150 for i, arg in enumerate(self.args)),
151 'SIMIX_simcall_answer(simcall);\n ' if self.has_answer else ' ')
154 return ''' inline static %s simcall_BODY_%s(%s) {
155 smx_process_t self = SIMIX_process_self();
156 self->simcall.call = SIMCALL_%s;
157 memset(&self->simcall.result, 0, sizeof(self->simcall.result));
158 memset(self->simcall.args, 0, sizeof(self->simcall.args));
160 if (self != simix_global->maestro_process) {
161 XBT_DEBUG("Yield process '%%s' on simcall %%s (%%d)", self->name,
162 SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
163 SIMIX_process_yield(self);
165 SIMIX_simcall_pre(&self->simcall, 0);
170 ,', '.join('%s %s'%(arg.ret(), arg.name)
171 for arg in self.args)
173 ,'\n'.join(' self->simcall.args[%d].%s = (%s) %s;'%(i, arg.field(), arg.type, arg.name)
174 for i, arg in enumerate(self.args))
175 ,'' if self.res.type == 'void' else 'return self->simcall.result.%s;'%self.res.field())
181 for line in open(fn).read().split('\n'):
182 if line.startswith('##'):
184 resd[re.search(r'## *(.*)', line).group(1)] = resdi
185 if line.startswith('#') or not line:
187 match = re.match(r'(\S*?) *(\S*?) *\((.*?)(?:, *(.*?))?\) *(.*)', line)
189 name, ans, rest, resc, args = match.groups()
191 for n,t,c in re.findall(r'\((.*?), *(.*?)(?:, *(.*?))?\)', args):
192 sargs.append(Arg(n,t,c))
193 sim = Simcall(name, Arg('result', rest, resc), sargs, ans == 'True')
200 def write(fn, func, scs, scd):
202 f.write('/*********************************************\n')
203 f.write(' * File Generated by src/simix/simcalls.py *\n')
204 f.write(' * from src/simix/simcalls.in *\n')
205 f.write(' * Do not modify this file, add new simcalls *\n')
206 f.write(' * in src/simix/simcalls.in *\n')
207 f.write(' *********************************************/\n\n')
208 f.write('\n'.join(func(sc) for sc in scs))
209 for k, v in scd.items():
210 f.write('\n#ifdef %s\n%s\n#endif\n'%(k, '\n'.join(func(sc) for sc in v)))
213 if __name__=='__main__':
215 simcalls, simcalls_dict = parse('simcalls.in')
218 ok &= all(map(Simcall.check, simcalls))
219 for k,v in simcalls_dict.items():
220 ok &= all(map(Simcall.check, v))
224 write('simcalls_generated_enum.h', Simcall.enum, simcalls, simcalls_dict)
225 write('simcalls_generated_string.c', Simcall.string, simcalls, simcalls_dict)
226 write('simcalls_generated_res_getter_setter.h', Simcall.result_getter_setter, simcalls, simcalls_dict)
227 write('simcalls_generated_args_getter_setter.h', Simcall.args_getter_setter, simcalls, simcalls_dict)
228 write('simcalls_generated_case.c', Simcall.case, simcalls, simcalls_dict)
229 write('simcalls_generated_body.c', Simcall.body, simcalls, simcalls_dict)