1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
#ifndef EOLIAN_MONO_FUNCTION_DEFINITION_HELPERS_HH
#define EOLIAN_MONO_FUNCTION_DEFINITION_HELPERS_HH
#include <Eina.hh>
#include "grammar/generator.hpp"
#include "grammar/klass_def.hpp"
#include "grammar/indentation.hpp"
#include "grammar/list.hpp"
#include "grammar/alternative.hpp"
#include "grammar/attribute_reorder.hpp"
/* #include "type.hh" */
/* #include "marshall_type.hh" */
#include "parameter.hh"
#include "function_pointer.hh"
/* #include "keyword.hh" */
/* #include "using_decl.hh" */
/* #include "generation_contexts.hh" */
namespace eolian_mono {
/*
* Generators for things that must happen inside the function definition *before* and
* *after* the actual invocation of the underlying C function.
*
* For example, declaration and assignment of intermediate variables for out/ return types
* that require some kind of manual work (e.g. string and Stringshare).
*/
struct native_function_definition_preamble_generator
{
// FIXME Suport scoping tabs
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
std::string return_type;
if(!as_generator(eolian_mono::type(true)).generate(std::back_inserter(return_type), f.return_type, context))
return false;
if (!as_generator(
scope_tab << scope_tab << "//Placeholder in variables\n"
<< *(scope_tab << scope_tab << native_convert_in_variable << "\n")
<< scope_tab << scope_tab << "//Placeholder out variables\n"
<< *(scope_tab << scope_tab << native_convert_out_variable << "\n")
<< scope_tab << scope_tab << "//Function pointer wrappers\n"
<< *(scope_tab << scope_tab << native_convert_function_pointer << "\n")
<< scope_tab << scope_tab << "//Return variable and function call\n"
<< scope_tab << scope_tab << scope_tab << native_convert_return_variable << "\n"
).generate(sink, std::make_tuple(f.parameters, f.parameters, f.parameters, f.return_type), context))
return false;
return true;
}
};
struct function_definition_preamble_generator
{
// FIXME Suport scoping tabs
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
std::string return_type;
if(!as_generator(eolian_mono::type(true)).generate(std::back_inserter(return_type), f.return_type, context))
return false;
if (!as_generator(
scope_tab << scope_tab << "//Placeholder in variables\n"
<< *(scope_tab << scope_tab << convert_in_variable << "\n")
<< scope_tab << scope_tab << "//Placeholder out variables\n"
<< *(scope_tab << scope_tab << convert_out_variable << "\n")
<< scope_tab << scope_tab << "//Function pointers handling\n"
<< *(scope_tab << scope_tab << convert_function_pointer << "\n")
<< scope_tab << scope_tab << "//Return variable and function call\n"
<< scope_tab << scope_tab << convert_return_variable
).generate(sink, std::make_tuple(f.parameters, f.parameters, f.parameters, f.return_type), context))
return false;
return true;
}
};
struct native_function_definition_epilogue_generator
{
attributes::klass_def const* klass;
// FIXME Suport scoping tabs
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
std::string return_type;
if(!as_generator(eolian_mono::type(true)).generate(std::back_inserter(return_type), f.return_type, context))
return false;
if (!as_generator(
scope_tab << scope_tab << "//Assigning out variables\n"
<< *(scope_tab << scope_tab << native_convert_out_assign(*klass) << "\n")
<< scope_tab << scope_tab << "//Converting return variable\n"
<< scope_tab << scope_tab << native_convert_return(*klass)
).generate(sink, std::make_tuple(f.parameters, f.return_type), context))
return false;
return true;
}
};
struct function_definition_epilogue_generator
{
// FIXME Suport scoping tabs
template <typename OutputIterator, typename Context>
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& context) const
{
if (!as_generator(
scope_tab << scope_tab << "eina.Error.RaiseIfOccurred();\n"
<< scope_tab << scope_tab << "//Assigning out variables\n"
<< *(scope_tab << scope_tab << convert_out_assign << "\n")
<< scope_tab << scope_tab << "//Converting return variable\n"
<< scope_tab << scope_tab << convert_return
).generate(sink, std::make_tuple(f.parameters, f.return_type), context))
return false;
return true;
}
};
// Preamble tokens
struct native_function_definition_preamble_terminal
{
native_function_definition_preamble_generator const operator()() const
{
return native_function_definition_preamble_generator();
}
} const native_function_definition_preamble = {};
native_function_definition_preamble_generator const as_generator(native_function_definition_preamble_terminal)
{
return native_function_definition_preamble_generator{};
}
struct function_definition_preamble_terminal
{
function_definition_preamble_generator const operator()() const
{
return function_definition_preamble_generator();
}
} const function_definition_preamble = {};
function_definition_preamble_generator const as_generator(function_definition_preamble_terminal)
{
return function_definition_preamble_generator{};
}
// Epilogue tokens
struct native_function_definition_epilogue_parameterized
{
native_function_definition_epilogue_generator const operator()(attributes::klass_def const& klass) const
{
return {&klass};
}
} const native_function_definition_epilogue;
struct function_definition_epilogue_terminal
{
function_definition_epilogue_generator const operator()() const
{
return function_definition_epilogue_generator();
}
} const function_definition_epilogue = {};
function_definition_epilogue_generator const as_generator(function_definition_epilogue_terminal)
{
return function_definition_epilogue_generator{};
}
} // namespace eolian_mono
namespace efl { namespace eolian { namespace grammar {
// Preamble
template <>
struct is_eager_generator< ::eolian_mono::native_function_definition_preamble_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::native_function_definition_preamble_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::native_function_definition_preamble_terminal> : std::true_type {};
template <>
struct is_eager_generator< ::eolian_mono::function_definition_preamble_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::function_definition_preamble_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::function_definition_preamble_terminal> : std::true_type {};
// Epilogue
template <>
struct is_eager_generator< ::eolian_mono::native_function_definition_epilogue_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::native_function_definition_epilogue_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::native_function_definition_epilogue_parameterized> : std::true_type {};
template <>
struct is_eager_generator< ::eolian_mono::function_definition_epilogue_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::function_definition_epilogue_generator> : std::true_type {};
template <>
struct is_generator< ::eolian_mono::function_definition_epilogue_terminal> : std::true_type {};
namespace type_traits {
// Preamble
template <>
struct attributes_needed< ::eolian_mono::native_function_definition_preamble_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::native_function_definition_preamble_terminal> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::function_definition_preamble_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::function_definition_preamble_terminal> : std::integral_constant<int, 1> {};
// Epilogue
template <>
struct attributes_needed< ::eolian_mono::native_function_definition_epilogue_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::native_function_definition_epilogue_parameterized> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::function_definition_epilogue_generator> : std::integral_constant<int, 1> {};
template <>
struct attributes_needed< ::eolian_mono::function_definition_epilogue_terminal> : std::integral_constant<int, 1> {};
}
} } }
#endif
|
