José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 1 | ########################################################################## |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 2 | # |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 3 | # Copyright 2008-2010 VMware, Inc. |
José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 4 | # All Rights Reserved. |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 5 | # |
José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 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: |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 12 | # |
José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 13 | # The above copyright notice and this permission notice shall be included in |
| 14 | # all copies or substantial portions of the Software. |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 15 | # |
José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 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 |
| 22 | # THE SOFTWARE. |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 23 | # |
José Fonseca | 7ad4026 | 2009-09-30 17:17:12 +0100 | [diff] [blame] | 24 | ##########################################################################/ |
José Fonseca | 9544244 | 2008-07-08 10:32:53 +0900 | [diff] [blame] | 25 | |
José Fonseca | d626cf4 | 2008-07-07 07:43:16 +0900 | [diff] [blame] | 26 | """C basic types""" |
| 27 | |
José Fonseca | 8a56d14 | 2008-07-09 12:18:08 +0900 | [diff] [blame] | 28 | |
| 29 | import debug |
| 30 | |
| 31 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 32 | class Type: |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 33 | """Base class for all types.""" |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 34 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 35 | __tags = set() |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 36 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 37 | def __init__(self, expr, tag = None): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 38 | self.expr = expr |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 39 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 40 | # Generate a default tag, used when naming functions that will operate |
| 41 | # on this type, so it should preferrably be something representative of |
| 42 | # the type. |
| 43 | if tag is None: |
José Fonseca | 5b6fb75 | 2012-04-14 14:56:45 +0100 | [diff] [blame] | 44 | if expr is not None: |
| 45 | tag = ''.join([c for c in expr if c.isalnum() or c in '_']) |
| 46 | else: |
| 47 | tag = 'anonynoums' |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 48 | else: |
| 49 | for c in tag: |
| 50 | assert c.isalnum() or c in '_' |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 51 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 52 | # Ensure it is unique. |
| 53 | if tag in Type.__tags: |
| 54 | suffix = 1 |
| 55 | while tag + str(suffix) in Type.__tags: |
| 56 | suffix += 1 |
| 57 | tag += str(suffix) |
| 58 | |
| 59 | assert tag not in Type.__tags |
| 60 | Type.__tags.add(tag) |
| 61 | |
| 62 | self.tag = tag |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 63 | |
| 64 | def __str__(self): |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 65 | """Return the C/C++ type expression for this type.""" |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 66 | return self.expr |
| 67 | |
| 68 | def visit(self, visitor, *args, **kwargs): |
| 69 | raise NotImplementedError |
| 70 | |
José Fonseca | 0075f15 | 2012-04-14 20:25:52 +0100 | [diff] [blame] | 71 | def mutable(self): |
| 72 | '''Return a mutable version of this type. |
| 73 | |
| 74 | Convenience wrapper around MutableRebuilder.''' |
| 75 | visitor = MutableRebuilder() |
| 76 | return visitor.visit(self) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 77 | |
| 78 | |
| 79 | class _Void(Type): |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 80 | """Singleton void type.""" |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 81 | |
| 82 | def __init__(self): |
| 83 | Type.__init__(self, "void") |
| 84 | |
| 85 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 86 | return visitor.visitVoid(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 87 | |
| 88 | Void = _Void() |
| 89 | |
| 90 | |
| 91 | class Literal(Type): |
José Fonseca | 2f2ea48 | 2011-10-15 15:10:06 +0100 | [diff] [blame] | 92 | """Class to describe literal types. |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 93 | |
José Fonseca | 2f2ea48 | 2011-10-15 15:10:06 +0100 | [diff] [blame] | 94 | Types which are not defined in terms of other types, such as integers and |
| 95 | floats.""" |
| 96 | |
| 97 | def __init__(self, expr, kind): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 98 | Type.__init__(self, expr) |
José Fonseca | 2f2ea48 | 2011-10-15 15:10:06 +0100 | [diff] [blame] | 99 | self.kind = kind |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 100 | |
| 101 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 102 | return visitor.visitLiteral(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 103 | |
| 104 | |
| 105 | class Const(Type): |
| 106 | |
| 107 | def __init__(self, type): |
José Fonseca | 903c2ca | 2011-09-23 09:43:05 +0100 | [diff] [blame] | 108 | # While "const foo" and "foo const" are synonymous, "const foo *" and |
| 109 | # "foo * const" are not quite the same, and some compilers do enforce |
| 110 | # strict const correctness. |
| 111 | if isinstance(type, String) or type is WString: |
| 112 | # For strings we never intend to say a const pointer to chars, but |
| 113 | # rather a point to const chars. |
| 114 | expr = "const " + type.expr |
| 115 | elif type.expr.startswith("const ") or '*' in type.expr: |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 116 | expr = type.expr + " const" |
| 117 | else: |
José Fonseca | 903c2ca | 2011-09-23 09:43:05 +0100 | [diff] [blame] | 118 | # The most legible |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 119 | expr = "const " + type.expr |
| 120 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 121 | Type.__init__(self, expr, 'C' + type.tag) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 122 | |
| 123 | self.type = type |
| 124 | |
| 125 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 126 | return visitor.visitConst(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 127 | |
| 128 | |
| 129 | class Pointer(Type): |
| 130 | |
| 131 | def __init__(self, type): |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 132 | Type.__init__(self, type.expr + " *", 'P' + type.tag) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 133 | self.type = type |
| 134 | |
| 135 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 136 | return visitor.visitPointer(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 137 | |
| 138 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 139 | class IntPointer(Type): |
| 140 | '''Integer encoded as a pointer.''' |
| 141 | |
| 142 | def visit(self, visitor, *args, **kwargs): |
| 143 | return visitor.visitIntPointer(self, *args, **kwargs) |
| 144 | |
| 145 | |
José Fonseca | fbcf683 | 2012-04-05 07:10:30 +0100 | [diff] [blame] | 146 | class ObjPointer(Type): |
| 147 | '''Pointer to an object.''' |
| 148 | |
| 149 | def __init__(self, type): |
| 150 | Type.__init__(self, type.expr + " *", 'P' + type.tag) |
| 151 | self.type = type |
| 152 | |
| 153 | def visit(self, visitor, *args, **kwargs): |
| 154 | return visitor.visitObjPointer(self, *args, **kwargs) |
| 155 | |
| 156 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 157 | class LinearPointer(Type): |
José Fonseca | fbcf683 | 2012-04-05 07:10:30 +0100 | [diff] [blame] | 158 | '''Pointer to a linear range of memory.''' |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 159 | |
| 160 | def __init__(self, type, size = None): |
| 161 | Type.__init__(self, type.expr + " *", 'P' + type.tag) |
| 162 | self.type = type |
| 163 | self.size = size |
| 164 | |
| 165 | def visit(self, visitor, *args, **kwargs): |
| 166 | return visitor.visitLinearPointer(self, *args, **kwargs) |
| 167 | |
| 168 | |
José Fonseca | b89c593 | 2012-04-01 22:47:11 +0200 | [diff] [blame] | 169 | class Reference(Type): |
| 170 | '''C++ references.''' |
| 171 | |
| 172 | def __init__(self, type): |
| 173 | Type.__init__(self, type.expr + " &", 'R' + type.tag) |
| 174 | self.type = type |
| 175 | |
| 176 | def visit(self, visitor, *args, **kwargs): |
| 177 | return visitor.visitReference(self, *args, **kwargs) |
| 178 | |
| 179 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 180 | class Handle(Type): |
| 181 | |
José Fonseca | 8a844ae | 2010-12-06 18:50:52 +0000 | [diff] [blame] | 182 | def __init__(self, name, type, range=None, key=None): |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 183 | Type.__init__(self, type.expr, 'P' + type.tag) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 184 | self.name = name |
| 185 | self.type = type |
| 186 | self.range = range |
José Fonseca | 8a844ae | 2010-12-06 18:50:52 +0000 | [diff] [blame] | 187 | self.key = key |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 188 | |
| 189 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 190 | return visitor.visitHandle(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 191 | |
| 192 | |
| 193 | def ConstPointer(type): |
| 194 | return Pointer(Const(type)) |
| 195 | |
| 196 | |
| 197 | class Enum(Type): |
| 198 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 199 | __id = 0 |
| 200 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 201 | def __init__(self, name, values): |
| 202 | Type.__init__(self, name) |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 203 | |
| 204 | self.id = Enum.__id |
| 205 | Enum.__id += 1 |
| 206 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 207 | self.values = list(values) |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 208 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 209 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 210 | return visitor.visitEnum(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 211 | |
| 212 | |
| 213 | def FakeEnum(type, values): |
| 214 | return Enum(type.expr, values) |
| 215 | |
| 216 | |
| 217 | class Bitmask(Type): |
| 218 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 219 | __id = 0 |
| 220 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 221 | def __init__(self, type, values): |
| 222 | Type.__init__(self, type.expr) |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 223 | |
| 224 | self.id = Bitmask.__id |
| 225 | Bitmask.__id += 1 |
| 226 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 227 | self.type = type |
| 228 | self.values = values |
| 229 | |
| 230 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 231 | return visitor.visitBitmask(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 232 | |
| 233 | Flags = Bitmask |
| 234 | |
| 235 | |
| 236 | class Array(Type): |
| 237 | |
| 238 | def __init__(self, type, length): |
| 239 | Type.__init__(self, type.expr + " *") |
| 240 | self.type = type |
| 241 | self.length = length |
| 242 | |
| 243 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 244 | return visitor.visitArray(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 245 | |
| 246 | |
| 247 | class Blob(Type): |
| 248 | |
| 249 | def __init__(self, type, size): |
| 250 | Type.__init__(self, type.expr + ' *') |
| 251 | self.type = type |
| 252 | self.size = size |
| 253 | |
| 254 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 255 | return visitor.visitBlob(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 256 | |
| 257 | |
| 258 | class Struct(Type): |
| 259 | |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 260 | __id = 0 |
| 261 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 262 | def __init__(self, name, members): |
| 263 | Type.__init__(self, name) |
José Fonseca | 02c2500 | 2011-10-15 13:17:26 +0100 | [diff] [blame] | 264 | |
| 265 | self.id = Struct.__id |
| 266 | Struct.__id += 1 |
| 267 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 268 | self.name = name |
José Fonseca | 5b6fb75 | 2012-04-14 14:56:45 +0100 | [diff] [blame] | 269 | self.members = [] |
| 270 | |
| 271 | # Eliminate anonymous unions |
| 272 | for type, name in members: |
| 273 | if name is not None: |
| 274 | self.members.append((type, name)) |
| 275 | else: |
| 276 | assert isinstance(type, Union) |
| 277 | assert type.name is None |
| 278 | self.members.extend(type.members) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 279 | |
| 280 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 281 | return visitor.visitStruct(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 282 | |
| 283 | |
José Fonseca | 5b6fb75 | 2012-04-14 14:56:45 +0100 | [diff] [blame] | 284 | class Union(Type): |
| 285 | |
| 286 | __id = 0 |
| 287 | |
| 288 | def __init__(self, name, members): |
| 289 | Type.__init__(self, name) |
| 290 | |
| 291 | self.id = Union.__id |
| 292 | Union.__id += 1 |
| 293 | |
| 294 | self.name = name |
| 295 | self.members = members |
| 296 | |
| 297 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 298 | class Alias(Type): |
| 299 | |
| 300 | def __init__(self, expr, type): |
| 301 | Type.__init__(self, expr) |
| 302 | self.type = type |
| 303 | |
| 304 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 305 | return visitor.visitAlias(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 306 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 307 | class Arg: |
| 308 | |
José Fonseca | 9dd8f70 | 2012-04-07 10:42:50 +0100 | [diff] [blame] | 309 | def __init__(self, type, name, input=True, output=False): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 310 | self.type = type |
| 311 | self.name = name |
José Fonseca | 9dd8f70 | 2012-04-07 10:42:50 +0100 | [diff] [blame] | 312 | self.input = input |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 313 | self.output = output |
| 314 | self.index = None |
| 315 | |
| 316 | def __str__(self): |
| 317 | return '%s %s' % (self.type, self.name) |
| 318 | |
| 319 | |
José Fonseca | 9dd8f70 | 2012-04-07 10:42:50 +0100 | [diff] [blame] | 320 | def In(type, name): |
| 321 | return Arg(type, name, input=True, output=False) |
| 322 | |
| 323 | def Out(type, name): |
| 324 | return Arg(type, name, input=False, output=True) |
| 325 | |
| 326 | def InOut(type, name): |
| 327 | return Arg(type, name, input=True, output=True) |
| 328 | |
| 329 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 330 | class Function: |
| 331 | |
José Fonseca | 46a4839 | 2011-10-14 11:34:27 +0100 | [diff] [blame] | 332 | # 0-3 are reserved to memcpy, malloc, free, and realloc |
| 333 | __id = 4 |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 334 | |
José Fonseca | bca0f41 | 2011-04-24 20:53:38 +0100 | [diff] [blame] | 335 | def __init__(self, type, name, args, call = '', fail = None, sideeffects=True): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 336 | self.id = Function.__id |
| 337 | Function.__id += 1 |
| 338 | |
| 339 | self.type = type |
| 340 | self.name = name |
| 341 | |
| 342 | self.args = [] |
| 343 | index = 0 |
| 344 | for arg in args: |
José Fonseca | 8384ccb | 2011-05-25 10:12:02 +0100 | [diff] [blame] | 345 | if not isinstance(arg, Arg): |
| 346 | if isinstance(arg, tuple): |
| 347 | arg_type, arg_name = arg |
| 348 | else: |
| 349 | arg_type = arg |
| 350 | arg_name = "arg%u" % index |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 351 | arg = Arg(arg_type, arg_name) |
| 352 | arg.index = index |
| 353 | index += 1 |
| 354 | self.args.append(arg) |
| 355 | |
| 356 | self.call = call |
| 357 | self.fail = fail |
| 358 | self.sideeffects = sideeffects |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 359 | |
| 360 | def prototype(self, name=None): |
| 361 | if name is not None: |
| 362 | name = name.strip() |
| 363 | else: |
| 364 | name = self.name |
| 365 | s = name |
| 366 | if self.call: |
| 367 | s = self.call + ' ' + s |
| 368 | if name.startswith('*'): |
| 369 | s = '(' + s + ')' |
| 370 | s = self.type.expr + ' ' + s |
| 371 | s += "(" |
| 372 | if self.args: |
| 373 | s += ", ".join(["%s %s" % (arg.type, arg.name) for arg in self.args]) |
| 374 | else: |
| 375 | s += "void" |
| 376 | s += ")" |
| 377 | return s |
| 378 | |
José Fonseca | 568ecc2 | 2012-01-15 13:57:03 +0000 | [diff] [blame] | 379 | def argNames(self): |
| 380 | return [arg.name for arg in self.args] |
| 381 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 382 | |
| 383 | def StdFunction(*args, **kwargs): |
| 384 | kwargs.setdefault('call', '__stdcall') |
| 385 | return Function(*args, **kwargs) |
| 386 | |
| 387 | |
| 388 | def FunctionPointer(type, name, args, **kwargs): |
| 389 | # XXX: We should probably treat function pointers (callbacks or not) in a generic fashion |
| 390 | return Opaque(name) |
| 391 | |
| 392 | |
| 393 | class Interface(Type): |
| 394 | |
| 395 | def __init__(self, name, base=None): |
| 396 | Type.__init__(self, name) |
| 397 | self.name = name |
| 398 | self.base = base |
| 399 | self.methods = [] |
| 400 | |
| 401 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 402 | return visitor.visitInterface(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 403 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 404 | def iterMethods(self): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 405 | if self.base is not None: |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 406 | for method in self.base.iterMethods(): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 407 | yield method |
| 408 | for method in self.methods: |
| 409 | yield method |
| 410 | raise StopIteration |
| 411 | |
José Fonseca | 4220b1b | 2012-02-03 19:05:29 +0000 | [diff] [blame] | 412 | def iterBaseMethods(self): |
| 413 | if self.base is not None: |
| 414 | for iface, method in self.base.iterBaseMethods(): |
| 415 | yield iface, method |
| 416 | for method in self.methods: |
| 417 | yield self, method |
| 418 | raise StopIteration |
| 419 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 420 | |
| 421 | class Method(Function): |
| 422 | |
José Fonseca | 5b6fb75 | 2012-04-14 14:56:45 +0100 | [diff] [blame] | 423 | def __init__(self, type, name, args, call = '__stdcall', const=False, sideeffects=True): |
| 424 | Function.__init__(self, type, name, args, call = call, sideeffects=sideeffects) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 425 | for index in range(len(self.args)): |
| 426 | self.args[index].index = index + 1 |
José Fonseca | 9dbeda6 | 2012-02-03 19:05:54 +0000 | [diff] [blame] | 427 | self.const = const |
| 428 | |
| 429 | def prototype(self, name=None): |
| 430 | s = Function.prototype(self, name) |
| 431 | if self.const: |
| 432 | s += ' const' |
| 433 | return s |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 434 | |
José Fonseca | 5b6fb75 | 2012-04-14 14:56:45 +0100 | [diff] [blame] | 435 | def StdMethod(*args, **kwargs): |
| 436 | kwargs.setdefault('call', '__stdcall') |
| 437 | return Method(*args, **kwargs) |
| 438 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 439 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 440 | class String(Type): |
| 441 | |
José Fonseca | 280a176 | 2012-01-31 15:10:13 +0000 | [diff] [blame] | 442 | def __init__(self, expr = "char *", length = None, kind = 'String'): |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 443 | Type.__init__(self, expr) |
| 444 | self.length = length |
José Fonseca | 280a176 | 2012-01-31 15:10:13 +0000 | [diff] [blame] | 445 | self.kind = kind |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 446 | |
| 447 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 448 | return visitor.visitString(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 449 | |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 450 | |
| 451 | class Opaque(Type): |
| 452 | '''Opaque pointer.''' |
| 453 | |
| 454 | def __init__(self, expr): |
| 455 | Type.__init__(self, expr) |
| 456 | |
| 457 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 458 | return visitor.visitOpaque(self, *args, **kwargs) |
José Fonseca | 6fac5ae | 2010-11-29 16:09:13 +0000 | [diff] [blame] | 459 | |
| 460 | |
| 461 | def OpaquePointer(type, *args): |
| 462 | return Opaque(type.expr + ' *') |
| 463 | |
| 464 | def OpaqueArray(type, size): |
| 465 | return Opaque(type.expr + ' *') |
| 466 | |
| 467 | def OpaqueBlob(type, size): |
| 468 | return Opaque(type.expr + ' *') |
José Fonseca | 8a56d14 | 2008-07-09 12:18:08 +0900 | [diff] [blame] | 469 | |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 470 | |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 471 | class Polymorphic(Type): |
| 472 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 473 | def __init__(self, defaultType, switchExpr, switchTypes): |
| 474 | Type.__init__(self, defaultType.expr) |
| 475 | self.defaultType = defaultType |
| 476 | self.switchExpr = switchExpr |
| 477 | self.switchTypes = switchTypes |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 478 | |
| 479 | def visit(self, visitor, *args, **kwargs): |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 480 | return visitor.visitPolymorphic(self, *args, **kwargs) |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 481 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 482 | def iterSwitch(self): |
José Fonseca | 4616111 | 2011-10-14 10:04:55 +0100 | [diff] [blame] | 483 | cases = [['default']] |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 484 | types = [self.defaultType] |
José Fonseca | 4616111 | 2011-10-14 10:04:55 +0100 | [diff] [blame] | 485 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 486 | for expr, type in self.switchTypes: |
José Fonseca | 4616111 | 2011-10-14 10:04:55 +0100 | [diff] [blame] | 487 | case = 'case %s' % expr |
| 488 | try: |
| 489 | i = types.index(type) |
| 490 | except ValueError: |
| 491 | cases.append([case]) |
| 492 | types.append(type) |
| 493 | else: |
| 494 | cases[i].append(case) |
| 495 | |
| 496 | return zip(cases, types) |
| 497 | |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 498 | |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 499 | class Visitor: |
José Fonseca | 9c4a257 | 2012-01-13 23:21:10 +0000 | [diff] [blame] | 500 | '''Abstract visitor for the type hierarchy.''' |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 501 | |
| 502 | def visit(self, type, *args, **kwargs): |
| 503 | return type.visit(self, *args, **kwargs) |
| 504 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 505 | def visitVoid(self, void, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 506 | raise NotImplementedError |
| 507 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 508 | def visitLiteral(self, literal, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 509 | raise NotImplementedError |
| 510 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 511 | def visitString(self, string, *args, **kwargs): |
José Fonseca | 2defc98 | 2010-11-22 16:59:10 +0000 | [diff] [blame] | 512 | raise NotImplementedError |
| 513 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 514 | def visitConst(self, const, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 515 | raise NotImplementedError |
| 516 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 517 | def visitStruct(self, struct, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 518 | raise NotImplementedError |
| 519 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 520 | def visitArray(self, array, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 521 | raise NotImplementedError |
| 522 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 523 | def visitBlob(self, blob, *args, **kwargs): |
José Fonseca | 885f265 | 2010-11-20 11:22:25 +0000 | [diff] [blame] | 524 | raise NotImplementedError |
| 525 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 526 | def visitEnum(self, enum, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 527 | raise NotImplementedError |
| 528 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 529 | def visitBitmask(self, bitmask, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 530 | raise NotImplementedError |
| 531 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 532 | def visitPointer(self, pointer, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 533 | raise NotImplementedError |
| 534 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 535 | def visitIntPointer(self, pointer, *args, **kwargs): |
| 536 | raise NotImplementedError |
| 537 | |
José Fonseca | fbcf683 | 2012-04-05 07:10:30 +0100 | [diff] [blame] | 538 | def visitObjPointer(self, pointer, *args, **kwargs): |
| 539 | raise NotImplementedError |
| 540 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 541 | def visitLinearPointer(self, pointer, *args, **kwargs): |
| 542 | raise NotImplementedError |
| 543 | |
José Fonseca | b89c593 | 2012-04-01 22:47:11 +0200 | [diff] [blame] | 544 | def visitReference(self, reference, *args, **kwargs): |
| 545 | raise NotImplementedError |
| 546 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 547 | def visitHandle(self, handle, *args, **kwargs): |
José Fonseca | 50d78d8 | 2010-11-23 22:13:14 +0000 | [diff] [blame] | 548 | raise NotImplementedError |
| 549 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 550 | def visitAlias(self, alias, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 551 | raise NotImplementedError |
| 552 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 553 | def visitOpaque(self, opaque, *args, **kwargs): |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 554 | raise NotImplementedError |
| 555 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 556 | def visitInterface(self, interface, *args, **kwargs): |
José Fonseca | c356d6a | 2010-11-23 14:27:25 +0000 | [diff] [blame] | 557 | raise NotImplementedError |
| 558 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 559 | def visitPolymorphic(self, polymorphic, *args, **kwargs): |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 560 | raise NotImplementedError |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 561 | #return self.visit(polymorphic.defaultType, *args, **kwargs) |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 562 | |
José Fonseca | c356d6a | 2010-11-23 14:27:25 +0000 | [diff] [blame] | 563 | |
| 564 | class OnceVisitor(Visitor): |
José Fonseca | 9c4a257 | 2012-01-13 23:21:10 +0000 | [diff] [blame] | 565 | '''Visitor that guarantees that each type is visited only once.''' |
José Fonseca | c356d6a | 2010-11-23 14:27:25 +0000 | [diff] [blame] | 566 | |
| 567 | def __init__(self): |
| 568 | self.__visited = set() |
| 569 | |
| 570 | def visit(self, type, *args, **kwargs): |
| 571 | if type not in self.__visited: |
| 572 | self.__visited.add(type) |
| 573 | return type.visit(self, *args, **kwargs) |
| 574 | return None |
| 575 | |
José Fonseca | 501f286 | 2010-11-19 20:41:18 +0000 | [diff] [blame] | 576 | |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 577 | class Rebuilder(Visitor): |
José Fonseca | 9c4a257 | 2012-01-13 23:21:10 +0000 | [diff] [blame] | 578 | '''Visitor which rebuild types as it visits them. |
| 579 | |
| 580 | By itself it is a no-op -- it is intended to be overwritten. |
| 581 | ''' |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 582 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 583 | def visitVoid(self, void): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 584 | return void |
| 585 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 586 | def visitLiteral(self, literal): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 587 | return literal |
| 588 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 589 | def visitString(self, string): |
José Fonseca | 2defc98 | 2010-11-22 16:59:10 +0000 | [diff] [blame] | 590 | return string |
| 591 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 592 | def visitConst(self, const): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 593 | const_type = self.visit(const.type) |
| 594 | if const_type is const.type: |
| 595 | return const |
| 596 | else: |
| 597 | return Const(const_type) |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 598 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 599 | def visitStruct(self, struct): |
José Fonseca | 06aa284 | 2011-05-05 07:55:54 +0100 | [diff] [blame] | 600 | members = [(self.visit(type), name) for type, name in struct.members] |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 601 | return Struct(struct.name, members) |
| 602 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 603 | def visitArray(self, array): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 604 | type = self.visit(array.type) |
| 605 | return Array(type, array.length) |
| 606 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 607 | def visitBlob(self, blob): |
José Fonseca | 885f265 | 2010-11-20 11:22:25 +0000 | [diff] [blame] | 608 | type = self.visit(blob.type) |
| 609 | return Blob(type, blob.size) |
| 610 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 611 | def visitEnum(self, enum): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 612 | return enum |
| 613 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 614 | def visitBitmask(self, bitmask): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 615 | type = self.visit(bitmask.type) |
| 616 | return Bitmask(type, bitmask.values) |
| 617 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 618 | def visitPointer(self, pointer): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 619 | pointer_type = self.visit(pointer.type) |
| 620 | if pointer_type is pointer.type: |
| 621 | return pointer |
| 622 | else: |
| 623 | return Pointer(pointer_type) |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 624 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 625 | def visitIntPointer(self, pointer): |
| 626 | return pointer |
| 627 | |
José Fonseca | fbcf683 | 2012-04-05 07:10:30 +0100 | [diff] [blame] | 628 | def visitObjPointer(self, pointer): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 629 | pointer_type = self.visit(pointer.type) |
| 630 | if pointer_type is pointer.type: |
| 631 | return pointer |
| 632 | else: |
| 633 | return ObjPointer(pointer_type) |
José Fonseca | fbcf683 | 2012-04-05 07:10:30 +0100 | [diff] [blame] | 634 | |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 635 | def visitLinearPointer(self, pointer): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 636 | pointer_type = self.visit(pointer.type) |
| 637 | if pointer_type is pointer.type: |
| 638 | return pointer |
| 639 | else: |
| 640 | return LinearPointer(pointer_type) |
José Fonseca | 59ee88e | 2012-01-15 14:24:10 +0000 | [diff] [blame] | 641 | |
José Fonseca | b89c593 | 2012-04-01 22:47:11 +0200 | [diff] [blame] | 642 | def visitReference(self, reference): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 643 | reference_type = self.visit(reference.type) |
| 644 | if reference_type is reference.type: |
| 645 | return reference |
| 646 | else: |
| 647 | return Reference(reference_type) |
José Fonseca | b89c593 | 2012-04-01 22:47:11 +0200 | [diff] [blame] | 648 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 649 | def visitHandle(self, handle): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 650 | handle_type = self.visit(handle.type) |
| 651 | if handle_type is handle.type: |
| 652 | return handle |
| 653 | else: |
| 654 | return Handle(handle.name, handle_type, range=handle.range, key=handle.key) |
José Fonseca | 50d78d8 | 2010-11-23 22:13:14 +0000 | [diff] [blame] | 655 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 656 | def visitAlias(self, alias): |
José Fonseca | f182eda | 2012-04-05 19:59:56 +0100 | [diff] [blame] | 657 | alias_type = self.visit(alias.type) |
| 658 | if alias_type is alias.type: |
| 659 | return alias |
| 660 | else: |
| 661 | return Alias(alias.expr, alias_type) |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 662 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 663 | def visitOpaque(self, opaque): |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 664 | return opaque |
| 665 | |
José Fonseca | 7814edf | 2012-01-31 10:55:49 +0000 | [diff] [blame] | 666 | def visitInterface(self, interface, *args, **kwargs): |
| 667 | return interface |
| 668 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 669 | def visitPolymorphic(self, polymorphic): |
| 670 | defaultType = self.visit(polymorphic.defaultType) |
| 671 | switchExpr = polymorphic.switchExpr |
| 672 | switchTypes = [(expr, self.visit(type)) for expr, type in polymorphic.switchTypes] |
| 673 | return Polymorphic(defaultType, switchExpr, switchTypes) |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 674 | |
José Fonseca | c9edb83 | 2010-11-20 09:03:10 +0000 | [diff] [blame] | 675 | |
José Fonseca | 0075f15 | 2012-04-14 20:25:52 +0100 | [diff] [blame] | 676 | class MutableRebuilder(Rebuilder): |
| 677 | '''Type visitor which derives a mutable type.''' |
| 678 | |
| 679 | def visitConst(self, const): |
| 680 | # Strip out const qualifier |
| 681 | return const.type |
| 682 | |
| 683 | def visitAlias(self, alias): |
| 684 | # Tear the alias on type changes |
| 685 | type = self.visit(alias.type) |
| 686 | if type is alias.type: |
| 687 | return alias |
| 688 | return type |
| 689 | |
| 690 | def visitReference(self, reference): |
| 691 | # Strip out references |
| 692 | return reference.type |
| 693 | |
| 694 | |
| 695 | class Traverser(Visitor): |
| 696 | '''Visitor which all types.''' |
| 697 | |
| 698 | def visitVoid(self, void, *args, **kwargs): |
| 699 | pass |
| 700 | |
| 701 | def visitLiteral(self, literal, *args, **kwargs): |
| 702 | pass |
| 703 | |
| 704 | def visitString(self, string, *args, **kwargs): |
| 705 | pass |
| 706 | |
| 707 | def visitConst(self, const, *args, **kwargs): |
| 708 | self.visit(const.type, *args, **kwargs) |
| 709 | |
| 710 | def visitStruct(self, struct, *args, **kwargs): |
| 711 | for type, name in struct.members: |
| 712 | self.visit(type, *args, **kwargs) |
| 713 | |
| 714 | def visitArray(self, array, *args, **kwargs): |
| 715 | self.visit(array.type, *args, **kwargs) |
| 716 | |
| 717 | def visitBlob(self, array, *args, **kwargs): |
| 718 | pass |
| 719 | |
| 720 | def visitEnum(self, enum, *args, **kwargs): |
| 721 | pass |
| 722 | |
| 723 | def visitBitmask(self, bitmask, *args, **kwargs): |
| 724 | self.visit(bitmask.type, *args, **kwargs) |
| 725 | |
| 726 | def visitPointer(self, pointer, *args, **kwargs): |
| 727 | self.visit(pointer.type, *args, **kwargs) |
| 728 | |
| 729 | def visitIntPointer(self, pointer, *args, **kwargs): |
| 730 | pass |
| 731 | |
| 732 | def visitObjPointer(self, pointer, *args, **kwargs): |
| 733 | self.visit(pointer.type, *args, **kwargs) |
| 734 | |
| 735 | def visitLinearPointer(self, pointer, *args, **kwargs): |
| 736 | self.visit(pointer.type, *args, **kwargs) |
| 737 | |
| 738 | def visitReference(self, reference, *args, **kwargs): |
| 739 | self.visit(reference.type, *args, **kwargs) |
| 740 | |
| 741 | def visitHandle(self, handle, *args, **kwargs): |
| 742 | self.visit(handle.type, *args, **kwargs) |
| 743 | |
| 744 | def visitAlias(self, alias, *args, **kwargs): |
| 745 | self.visit(alias.type, *args, **kwargs) |
| 746 | |
| 747 | def visitOpaque(self, opaque, *args, **kwargs): |
| 748 | pass |
| 749 | |
| 750 | def visitInterface(self, interface, *args, **kwargs): |
| 751 | if interface.base is not None: |
| 752 | self.visit(interface.base, *args, **kwargs) |
| 753 | for method in interface.iterMethods(): |
| 754 | for arg in method.args: |
| 755 | self.visit(arg.type, *args, **kwargs) |
| 756 | self.visit(method.type, *args, **kwargs) |
| 757 | |
| 758 | def visitPolymorphic(self, polymorphic, *args, **kwargs): |
| 759 | self.visit(polymorphic.defaultType, *args, **kwargs) |
| 760 | for expr, type in polymorphic.switchTypes: |
| 761 | self.visit(type, *args, **kwargs) |
| 762 | |
| 763 | |
| 764 | class Collector(Traverser): |
José Fonseca | 9c4a257 | 2012-01-13 23:21:10 +0000 | [diff] [blame] | 765 | '''Visitor which collects all unique types as it traverses them.''' |
José Fonseca | e6a50bd | 2010-11-24 10:12:22 +0000 | [diff] [blame] | 766 | |
| 767 | def __init__(self): |
| 768 | self.__visited = set() |
| 769 | self.types = [] |
| 770 | |
| 771 | def visit(self, type): |
| 772 | if type in self.__visited: |
| 773 | return |
| 774 | self.__visited.add(type) |
| 775 | Visitor.visit(self, type) |
| 776 | self.types.append(type) |
| 777 | |
José Fonseca | 16d46dd | 2011-10-13 09:52:52 +0100 | [diff] [blame] | 778 | |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 779 | |
| 780 | class API: |
José Fonseca | 9c4a257 | 2012-01-13 23:21:10 +0000 | [diff] [blame] | 781 | '''API abstraction. |
| 782 | |
| 783 | Essentially, a collection of types, functions, and interfaces. |
| 784 | ''' |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 785 | |
José Fonseca | 68ec412 | 2011-02-20 11:25:25 +0000 | [diff] [blame] | 786 | def __init__(self, name = None): |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 787 | self.name = name |
| 788 | self.headers = [] |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 789 | self.functions = [] |
| 790 | self.interfaces = [] |
| 791 | |
José Fonseca | 4470382 | 2012-01-31 10:48:58 +0000 | [diff] [blame] | 792 | def getAllTypes(self): |
José Fonseca | e6a50bd | 2010-11-24 10:12:22 +0000 | [diff] [blame] | 793 | collector = Collector() |
| 794 | for function in self.functions: |
| 795 | for arg in function.args: |
| 796 | collector.visit(arg.type) |
| 797 | collector.visit(function.type) |
| 798 | for interface in self.interfaces: |
| 799 | collector.visit(interface) |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 800 | for method in interface.iterMethods(): |
José Fonseca | e6a50bd | 2010-11-24 10:12:22 +0000 | [diff] [blame] | 801 | for arg in method.args: |
| 802 | collector.visit(arg.type) |
| 803 | collector.visit(method.type) |
| 804 | return collector.types |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 805 | |
José Fonseca | 2ef6d5b | 2012-01-31 10:56:38 +0000 | [diff] [blame] | 806 | def getAllInterfaces(self): |
| 807 | types = self.getAllTypes() |
| 808 | interfaces = [type for type in types if isinstance(type, Interface)] |
| 809 | for interface in self.interfaces: |
| 810 | if interface not in interfaces: |
| 811 | interfaces.append(interface) |
| 812 | return interfaces |
| 813 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 814 | def addFunction(self, function): |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 815 | self.functions.append(function) |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 816 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 817 | def addFunctions(self, functions): |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 818 | for function in functions: |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 819 | self.addFunction(function) |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 820 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 821 | def addInterface(self, interface): |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 822 | self.interfaces.append(interface) |
| 823 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 824 | def addInterfaces(self, interfaces): |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 825 | self.interfaces.extend(interfaces) |
| 826 | |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 827 | def addApi(self, api): |
José Fonseca | 68ec412 | 2011-02-20 11:25:25 +0000 | [diff] [blame] | 828 | self.headers.extend(api.headers) |
José Fonseca | 54f304a | 2012-01-14 19:33:08 +0000 | [diff] [blame] | 829 | self.addFunctions(api.functions) |
| 830 | self.addInterfaces(api.interfaces) |
José Fonseca | 68ec412 | 2011-02-20 11:25:25 +0000 | [diff] [blame] | 831 | |
José Fonseca | eccec3e | 2011-02-20 09:01:25 +0000 | [diff] [blame] | 832 | def get_function_by_name(self, name): |
| 833 | for function in self.functions: |
| 834 | if function.name == name: |
| 835 | return function |
| 836 | return None |
| 837 | |
José Fonseca | 8fbdd3a | 2010-11-23 20:55:07 +0000 | [diff] [blame] | 838 | |
José Fonseca | 51c1ef8 | 2010-11-15 16:09:14 +0000 | [diff] [blame] | 839 | Bool = Literal("bool", "Bool") |
| 840 | SChar = Literal("signed char", "SInt") |
| 841 | UChar = Literal("unsigned char", "UInt") |
| 842 | Short = Literal("short", "SInt") |
| 843 | Int = Literal("int", "SInt") |
| 844 | Long = Literal("long", "SInt") |
| 845 | LongLong = Literal("long long", "SInt") |
| 846 | UShort = Literal("unsigned short", "UInt") |
| 847 | UInt = Literal("unsigned int", "UInt") |
| 848 | ULong = Literal("unsigned long", "UInt") |
José Fonseca | 28f034f | 2010-11-22 20:31:25 +0000 | [diff] [blame] | 849 | ULongLong = Literal("unsigned long long", "UInt") |
José Fonseca | 51c1ef8 | 2010-11-15 16:09:14 +0000 | [diff] [blame] | 850 | Float = Literal("float", "Float") |
José Fonseca | 9ff7444 | 2011-05-07 01:17:49 +0100 | [diff] [blame] | 851 | Double = Literal("double", "Double") |
José Fonseca | 51c1ef8 | 2010-11-15 16:09:14 +0000 | [diff] [blame] | 852 | SizeT = Literal("size_t", "UInt") |
José Fonseca | 280a176 | 2012-01-31 15:10:13 +0000 | [diff] [blame] | 853 | |
| 854 | # C string (i.e., zero terminated) |
| 855 | CString = String() |
| 856 | WString = String("wchar_t *", kind="WString") |
José Fonseca | d626cf4 | 2008-07-07 07:43:16 +0900 | [diff] [blame] | 857 | |
José Fonseca | 2250a0e | 2010-11-26 15:01:29 +0000 | [diff] [blame] | 858 | Int8 = Literal("int8_t", "SInt") |
| 859 | UInt8 = Literal("uint8_t", "UInt") |
| 860 | Int16 = Literal("int16_t", "SInt") |
| 861 | UInt16 = Literal("uint16_t", "UInt") |
| 862 | Int32 = Literal("int32_t", "SInt") |
| 863 | UInt32 = Literal("uint32_t", "UInt") |
| 864 | Int64 = Literal("int64_t", "SInt") |
| 865 | UInt64 = Literal("uint64_t", "UInt") |