1 ##########################################################################
3 # Copyright 2010 VMware, Inc.
6 # Permission is hereby granted, free of charge, to any person obtaining a copy
7 # of this software and associated documentation files (the "Software"), to deal
8 # in the Software without restriction, including without limitation the rights
9 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 # copies of the Software, and to permit persons to whom the Software is
11 # furnished to do so, subject to the following conditions:
13 # The above copyright notice and this permission notice shall be included in
14 # all copies or substantial portions of the Software.
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 ##########################################################################/
32 class ConstRemover(stdapi.Rebuilder):
34 def visit_const(self, const):
37 def visit_opaque(self, opaque):
39 if expr.startswith('const '):
41 return stdapi.Opaque(expr)
44 class ValueExtractor(stdapi.Visitor):
46 def visit_literal(self, literal, lvalue, rvalue):
47 if literal.format == 'Bool':
48 print ' %s = static_cast<bool>(%s);' % (lvalue, rvalue)
50 print ' %s = %s;' % (lvalue, rvalue)
52 def visit_const(self, const, lvalue, rvalue):
53 self.visit(const.type, lvalue, rvalue)
55 def visit_alias(self, alias, lvalue, rvalue):
56 self.visit(alias.type, lvalue, rvalue)
58 def visit_enum(self, enum, lvalue, rvalue):
59 print ' %s = %s;' % (lvalue, rvalue)
61 def visit_bitmask(self, bitmask, lvalue, rvalue):
62 self.visit(bitmask.type, lvalue, rvalue)
64 def visit_array(self, array, lvalue, rvalue):
65 print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
66 print ' if (__a%s) {' % (array.id)
67 length = '__a%s->values.size()' % array.id
68 print ' %s = new %s[%s];' % (lvalue, array.type, length)
69 index = '__j' + array.id
70 print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
72 self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
76 print ' %s = NULL;' % lvalue
79 def visit_pointer(self, pointer, lvalue, rvalue):
80 print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (pointer.id, rvalue)
81 print ' if (__a%s) {' % (pointer.id)
82 print ' %s = new %s;' % (lvalue, pointer.type)
84 self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,))
87 print ' %s = NULL;' % lvalue
90 def visit_handle(self, handle, lvalue, rvalue):
91 self.visit(handle.type, lvalue, "__%s_map[%s]" %(handle.name, rvalue));
92 print ' if (verbosity >= 2)'
93 print ' std::cout << "%s " << static_cast<%s>(%s) << " <- " << %s << "\\n";' % (handle.name, handle.type, rvalue, lvalue)
95 def visit_blob(self, blob, lvalue, rvalue):
96 print ' %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
98 def visit_string(self, string, lvalue, rvalue):
99 print ' %s = (%s)((%s).string());' % (lvalue, string.expr, rvalue)
103 class ValueWrapper(stdapi.Visitor):
105 def visit_literal(self, literal, lvalue, rvalue):
108 def visit_alias(self, alias, lvalue, rvalue):
109 self.visit(alias.type, lvalue, rvalue)
111 def visit_enum(self, enum, lvalue, rvalue):
114 def visit_bitmask(self, bitmask, lvalue, rvalue):
117 def visit_array(self, array, lvalue, rvalue):
118 print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
119 print ' if (__a%s) {' % (array.id)
120 length = '__a%s->values.size()' % array.id
121 index = '__j' + array.id
122 print ' for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
124 self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
129 def visit_pointer(self, pointer, lvalue, rvalue):
130 print ' const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (pointer.id, rvalue)
131 print ' if (__a%s) {' % (pointer.id)
133 self.visit(pointer.type, '%s[0]' % (lvalue,), '*__a%s->values[0]' % (pointer.id,))
138 def visit_handle(self, handle, lvalue, rvalue):
139 if handle.range is None:
140 print " __{handle.name}_map[static_cast<{handle.type}>({rvalue})] = {lvalue};".format(**locals())
141 print ' if (verbosity >= 2)'
142 print ' std::cout << "{handle.name} " << static_cast<{handle.type}>({rvalue}) << " -> " << {lvalue} << "\\n";'.format(**locals())
144 i = '__h' + handle.id
145 print ' for({handle.type} {i} = 0; {i} < {handle.range}; ++{i}) {{'.format(**locals())
146 print ' __{handle.name}_map[static_cast<{handle.type}>({rvalue}) + {i}] = {lvalue} + {i};'.format(**locals())
147 print ' if (verbosity >= 2)'
148 print ' std::cout << "{handle.name} " << (static_cast<{handle.type}>({rvalue}) + {i}) << " -> " << ({lvalue} + {i}) << "\\n";'.format(**locals())
151 def visit_blob(self, blob, lvalue, rvalue):
154 def visit_string(self, string, lvalue, rvalue):
161 def retrace_function(self, function):
162 print 'static void retrace_%s(Trace::Call &call) {' % function.name
164 for arg in function.args:
165 arg_type = ConstRemover().visit(arg.type)
166 #print ' // %s -> %s' % (arg.type, arg_type)
167 print ' %s %s;' % (arg_type, arg.name)
168 rvalue = 'call.arg(%u)' % (arg.index,)
171 self.extract_arg(function, arg, arg_type, lvalue, rvalue)
172 except NotImplementedError:
174 print ' %s = 0; // FIXME' % arg.name
176 self.fail_function(function)
177 self.call_function(function)
178 for arg in function.args:
180 arg_type = ConstRemover().visit(arg.type)
181 rvalue = 'call.arg(%u)' % (arg.index,)
184 ValueWrapper().visit(arg_type, lvalue, rvalue)
185 except NotImplementedError:
186 print ' // FIXME: %s' % arg.name
187 if function.type is not stdapi.Void:
191 ValueWrapper().visit(function.type, lvalue, rvalue)
192 except NotImplementedError:
193 print ' // FIXME: result'
197 def fail_function(self, function):
198 print ' std::cerr << "warning: unsupported call %s\\n";' % function.name
201 def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
202 ValueExtractor().visit(arg_type, lvalue, rvalue)
204 def call_function(self, function):
205 arg_names = ", ".join([arg.name for arg in function.args])
206 if function.type is not stdapi.Void:
207 print ' %s __result;' % (function.type)
208 print ' __result = %s(%s);' % (function.name, arg_names)
210 print ' %s(%s);' % (function.name, arg_names)
212 def filter_function(self, function):
215 def retrace_functions(self, functions):
216 functions = filter(self.filter_function, functions)
218 for function in functions:
219 if function.sideeffects:
220 self.retrace_function(function)
222 print 'static bool retrace_call(Trace::Call &call) {'
223 print ' const char *name = call.name().c_str();'
225 print ' if (verbosity >=1 ) {'
226 print ' std::cout << call;'
227 print ' std::cout.flush();'
231 func_dict = dict([(function.name, function) for function in functions])
233 def handle_case(function_name):
234 function = func_dict[function_name]
235 if function.sideeffects:
236 print ' retrace_%s(call);' % function.name
237 print ' return true;'
239 string_switch('name', func_dict.keys(), handle_case)
241 print ' std::cerr << "warning: unknown call " << call.name() << "\\n";'
242 print ' return false;'
247 def retrace_api(self, api):
249 print '#include "trace_parser.hpp"'
252 types = api.all_types()
253 handles = [type for type in types if isinstance(type, stdapi.Handle)]
255 for handle in handles:
256 if handle.name not in handle_names:
257 print 'static std::map<%s, %s> __%s_map;' % (handle.type, handle.type, handle.name)
258 handle_names.add(handle.name)
261 print 'unsigned verbosity = 0;'
264 self.retrace_functions(api.functions)