- res = []
- resdi = None
- resd = {}
- for line in open(fn).read().split('\n'):
- if line.startswith('##'):
- resdi = []
- resd[re.search(r'## *(.*)', line).group(1)] = resdi
- if line.startswith('#') or not line:
- continue
- match = re.match(r'(\S*?) *(\S*?) *\((.*?)(?:, *(.*?))?\) *(.*)', line)
- assert match, line
- name, ans, rest, resc, args = match.groups()
- sargs = []
- for n,t,c in re.findall(r'\((.*?), *(.*?)(?:, *(.*?))?\)', args):
- sargs.append(Arg(n,t,c))
- sim = Simcall(name, Arg('result', rest, resc), sargs, ans == 'True')
- if resdi is None:
- res.append(sim)
- else:
- resdi.append(sim)
- return res, resd
-
-def write(fn, func, scs, scd):
- f = open(fn, 'w')
- f.write('/*********************************************\n')
- f.write(' * File Generated by src/simix/simcalls.py *\n')
- f.write(' * from src/simix/simcalls.in *\n')
- f.write(' * Do not modify this file, add new simcalls *\n')
- f.write(' * in src/simix/simcalls.in *\n')
- f.write(' *********************************************/\n\n')
- f.write('\n'.join(func(sc) for sc in scs))
- for k, v in scd.items():
- f.write('\n#ifdef %s\n%s\n#endif\n'%(k, '\n'.join(func(sc) for sc in v)))
- f.close()
-
-if __name__=='__main__':
- import sys
- simcalls, simcalls_dict = parse('simcalls.in')
-
- ok = True
- ok &= all(map(Simcall.check, simcalls))
- for k,v in simcalls_dict.items():
- ok &= all(map(Simcall.check, v))
- #if not ok:
- # sys.exit(1)
-
- write('simcalls_generated_enum.h', Simcall.enum, simcalls, simcalls_dict)
- write('simcalls_generated_string.c', Simcall.string, simcalls, simcalls_dict)
- write('simcalls_generated_res_getter_setter.h', Simcall.result_getter_setter, simcalls, simcalls_dict)
- write('simcalls_generated_args_getter_setter.h', Simcall.args_getter_setter, simcalls, simcalls_dict)
- write('simcalls_generated_case.c', Simcall.case, simcalls, simcalls_dict)
- write('simcalls_generated_body.c', Simcall.body, simcalls, simcalls_dict)
+ simcalls = []
+ resdi = None
+ simcalls_guarded = {}
+ for line in open(fn).read().split('\n'):
+ if line.startswith('##'):
+ resdi = []
+ simcalls_guarded[re.search(r'## *(.*)', line).group(1)] = resdi
+ if line.startswith('#') or not line:
+ continue
+ match = re.match(
+ r'^(\S+)\s+([^\)\(\s]+)\s*\(*(.*)\)\s*(\[\[.*\]\])?\s*;\s*?$', line)
+ assert match, line
+ ret, name, args, attrs = match.groups()
+ sargs = []
+ if not re.match(r"^\s*$", args):
+ for arg in re.split(",", args):
+ args = args.strip()
+ match = re.match(r"^(.*?)\s*?(\S+)$", arg)
+ t, n = match.groups()
+ t = t.strip()
+ n = n.strip()
+ sargs.append(Arg(n, t))
+ if ret == "void":
+ ans = "Proc"
+ else:
+ ans = "Func"
+ handler = True
+ if attrs:
+ attrs = attrs[2:-2]
+ for attr in re.split(",", attrs):
+ if attr == "block":
+ ans = "Blck"
+ elif attr == "nohandler":
+ handler = False
+ else:
+ assert False, "Unknown attribute %s in: %s" % (attr, line)
+ sim = Simcall(name, handler, Arg('result', ret), sargs, ans)
+ if resdi is None:
+ simcalls.append(sim)
+ else:
+ resdi.append(sim)
+ return simcalls, simcalls_guarded
+
+
+def header(name):
+ fd = open(name, 'w')
+ fd.write(
+ '/**********************************************************************/\n')
+ fd.write(
+ '/* File generated by src/simix/simcalls.py from src/simix/simcalls.in */\n')
+ fd.write(
+ '/* */\n')
+ fd.write(
+ '/* DO NOT EVER CHANGE THIS FILE */\n')
+ fd.write(
+ '/* */\n')
+ fd.write(
+ '/* change simcalls specification in src/simix/simcalls.in */\n')
+ fd.write(
+ '/* Copyright (c) 2014-2017. The SimGrid Team. All rights reserved. */\n')
+ fd.write(
+ '/**********************************************************************/\n\n')
+ fd.write('/*\n')
+ fd.write(
+ ' * Note that the name comes from http://en.wikipedia.org/wiki/Popping\n')
+ fd.write(
+ ' * Indeed, the control flow is doing a strange dance in there.\n')
+ fd.write(' *\n')
+ fd.write(
+ ' * That\'s not about http://en.wikipedia.org/wiki/Poop, despite the odor :)\n')
+ fd.write(' */\n\n')
+ return fd
+
+
+def handle(fd, func, simcalls, guarded_simcalls):
+ def nonempty(e):
+ return e != ''
+ fd.write('\n'.join(filter(nonempty, (func(simcall) for simcall in simcalls))))
+
+ for guard, ll in guarded_simcalls.items():
+ fd.write('\n#if %s\n' % (guard))
+ fd.write('\n'.join(func(simcall) for simcall in ll))
+ fd.write('\n#endif\n')
+
+if __name__ == '__main__':
+ simcalls, simcalls_dict = parse('simcalls.in')
+
+ ok = True
+ ok &= all(map(Simcall.check, simcalls))
+ for k, v in simcalls_dict.items():
+ ok &= all(map(Simcall.check, v))
+ # FIXME: we should not hide it
+ # if not ok:
+ # print ("Some checks fail!")
+ # sys.exit(1)
+
+ #
+ # smx_popping_accessors.c
+ #
+ fd = header('popping_accessors.h')
+ fd.write('#include "src/simix/popping_private.h"');
+ handle(fd, Simcall.accessors, simcalls, simcalls_dict)
+ fd.write(
+ "\n\n/* The prototype of all simcall handlers, automatically generated for you */\n\n")
+ handle(fd, Simcall.handler_prototype, simcalls, simcalls_dict)
+ fd.close()
+
+ #
+ # smx_popping_enum.c
+ #
+ fd = header("popping_enum.h")
+ fd.write('/**\n')
+ fd.write(' * @brief All possible simcalls.\n')
+ fd.write(' */\n')
+ fd.write('typedef enum {\n')
+ fd.write(' SIMCALL_NONE,\n')
+
+ handle(fd, Simcall.enum, simcalls, simcalls_dict)
+
+ fd.write(' NUM_SIMCALLS\n')
+ fd.write('} e_smx_simcall_t;\n')
+ fd.close()
+
+ #
+ # smx_popping_generated.cpp
+ #
+
+ fd = header("popping_generated.cpp")
+
+ fd.write('#include <xbt/base.h>\n')
+ fd.write('#include "smx_private.h"\n')
+ fd.write('#if SIMGRID_HAVE_MC\n')
+ fd.write('#include "src/mc/mc_forward.hpp"\n')
+ fd.write('#endif\n')
+ fd.write('\n')
+ fd.write('XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_popping);\n\n')
+
+ fd.write(
+ '/** @brief Simcalls\' names (generated from src/simix/simcalls.in) */\n')
+ fd.write('const char* simcall_names[] = {\n')
+
+ fd.write(' "SIMCALL_NONE",\n')
+ handle(fd, Simcall.string, simcalls, simcalls_dict)
+
+ fd.write('\n};\n\n')
+
+ fd.write('/** @private\n')
+ fd.write(
+ ' * @brief (in kernel mode) unpack the simcall and activate the handler\n')
+ fd.write(' * \n')
+ fd.write(' * This function is generated from src/simix/simcalls.in\n')
+ fd.write(' */\n')
+ fd.write(
+ 'void SIMIX_simcall_handle(smx_simcall_t simcall, int value) {\n')
+ fd.write(
+ ' XBT_DEBUG("Handling simcall %p: %s", simcall, SIMIX_simcall_name(simcall->call));\n')
+ fd.write(' SIMCALL_SET_MC_VALUE(simcall, value);\n')
+ fd.write(
+ ' if (simcall->issuer->context->iwannadie && simcall->call != SIMCALL_PROCESS_CLEANUP)\n')
+ fd.write(' return;\n')
+ fd.write(' switch (simcall->call) {\n')
+
+ handle(fd, Simcall.case, simcalls, simcalls_dict)
+
+ fd.write(' case NUM_SIMCALLS:\n')
+ fd.write(' break;\n')
+ fd.write(' case SIMCALL_NONE:\n')
+ fd.write(' THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",\n')
+ fd.write(' simcall->issuer->name.c_str(),\n')
+ fd.write(' sg_host_get_name(simcall->issuer->host)\n')
+ fd.write(' );\n')
+ fd.write(' break;\n')
+ fd.write('\n')
+ fd.write(' }\n')
+ fd.write('}\n')
+
+ fd.close()
+
+ #
+ # smx_popping_bodies.cpp
+ #
+ fd = header('popping_bodies.cpp')
+ fd.write('#include <functional>\n')
+ fd.write('#include "smx_private.h"\n')
+ fd.write('#include "src/mc/mc_forward.hpp"\n')
+ fd.write('#include "xbt/ex.h"\n')
+ fd.write('#include <simgrid/simix.hpp>\n')
+ fd.write("/** @cond */ // Please Doxygen, don't look at this\n")
+ fd.write('''
+template<class R, class... T>
+inline static R simcall(e_smx_simcall_t call, T const&... t)
+{
+ smx_actor_t self = SIMIX_process_self();
+ simgrid::simix::marshal(&self->simcall, call, t...);
+ if (self != simix_global->maestro_process) {
+ XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->name.c_str(),
+ SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
+ SIMIX_process_yield(self);
+ } else {
+ SIMIX_simcall_handle(&self->simcall, 0);
+ }
+ return simgrid::simix::unmarshal<R>(self->simcall.result);
+}
+''')
+ handle(fd, Simcall.body, simcalls, simcalls_dict)
+ fd.write("/** @endcond */\n");
+ fd.close()