aboutsummaryrefslogtreecommitdiffstats
path: root/pyGHDL/dom/DesignUnit.py
blob: 881a7f2eb5625a3a866d74f952aa6af96c51985f (plain)
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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
# =============================================================================
#               ____ _   _ ____  _          _
#  _ __  _   _ / ___| | | |  _ \| |      __| | ___  _ __ ___
# | '_ \| | | | |  _| |_| | | | | |     / _` |/ _ \| '_ ` _ \
# | |_) | |_| | |_| |  _  | |_| | |___ | (_| | (_) | | | | | |
# | .__/ \__, |\____|_| |_|____/|_____(_)__,_|\___/|_| |_| |_|
# |_|    |___/
# =============================================================================
# Authors:
#   Patrick Lehmann
#
# Package module:   DOM: VHDL design units (e.g. context or package).
#
# License:
# ============================================================================
#  Copyright (C) 2019-2022 Tristan Gingold
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-2.0-or-later
# ============================================================================

"""
This module contains all DOM classes for VHDL's design units (:class:`context <Entity>`,
:class:`architecture <Architecture>`, :class:`package <Package>`,
:class:`package body <PackageBody>`, :class:`context <Context>` and
:class:`configuration <Configuration>`.


"""
from typing import Iterable, Union

from pyTooling.Decorators import export

from pyVHDLModel import (
    ContextUnion as VHDLModel_ContextUnion,
    LibraryClause as VHDLModel_LibraryClause,
    UseClause as VHDLModel_UseClause,
    ContextReference as VHDLModel_ContextReference,
    Name,
    ContextUnion,
)
from pyVHDLModel.SyntaxModel import (
    Entity as VHDLModel_Entity,
    Architecture as VHDLModel_Architecture,
    Package as VHDLModel_Package,
    PackageBody as VHDLModel_PackageBody,
    PackageInstantiation as VHDLModel_PackageInstantiation,
    Context as VHDLModel_Context,
    Configuration as VHDLModel_Configuration,
    Component as VHDLModel_Component,
    GenericInterfaceItem,
    PortInterfaceItem,
    ConcurrentStatement,
)

from pyGHDL.libghdl import utils
from pyGHDL.libghdl._types import Iir
from pyGHDL.libghdl.vhdl import nodes
from pyGHDL.dom import DOMMixin, Position, DOMException
from pyGHDL.dom._Utils import GetNameOfNode, GetDocumentationOfNode, GetPackageMemberSymbol, GetContextSymbol
from pyGHDL.dom._Translate import (
    GetGenericsFromChainedNodes,
    GetPortsFromChainedNodes,
    GetDeclaredItemsFromChainedNodes,
    GetConcurrentStatementsFromChainedNodes,
)
from pyGHDL.dom.Symbol import EntitySymbol, ContextReferenceSymbol, LibraryReferenceSymbol, PackageSymbol


@export
class LibraryClause(VHDLModel_LibraryClause, DOMMixin):
    def __init__(self, libraryNode: Iir, symbols: Iterable[Name]):
        super().__init__(symbols)
        DOMMixin.__init__(self, libraryNode)


@export
class UseClause(VHDLModel_UseClause, DOMMixin):
    def __init__(self, useNode: Iir, symbols: Iterable[Name]):
        super().__init__(symbols)
        DOMMixin.__init__(self, useNode)

    @classmethod
    def parse(cls, useNode: Iir):
        uses = [GetPackageMemberSymbol(nodes.Get_Selected_Name(useNode))]
        for use in utils.chain_iter(nodes.Get_Use_Clause_Chain(useNode)):
            uses.append(GetPackageMemberSymbol(nodes.Get_Selected_Name(use)))

        return cls(useNode, uses)


@export
class ContextReference(VHDLModel_ContextReference, DOMMixin):
    def __init__(self, contextNode: Iir, symbols: Iterable[Name]):
        super().__init__(symbols)
        DOMMixin.__init__(self, contextNode)

    @classmethod
    def parse(cls, contextNode: Iir):
        contexts = [GetContextSymbol(nodes.Get_Selected_Name(contextNode))]
        for context in utils.chain_iter(nodes.Get_Context_Reference_Chain(contextNode)):
            contexts.append(GetContextSymbol(nodes.Get_Selected_Name(context)))

        return cls(contextNode, contexts)


@export
class Entity(VHDLModel_Entity, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        contextItems: Iterable[VHDLModel_ContextUnion] = None,
        genericItems: Iterable[GenericInterfaceItem] = None,
        portItems: Iterable[PortInterfaceItem] = None,
        declaredItems: Iterable = None,
        statements: Iterable["ConcurrentStatement"] = None,
        documentation: str = None,
    ):
        super().__init__(identifier, contextItems, genericItems, portItems, declaredItems, statements, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, entityNode: Iir, contextItems: Iterable[VHDLModel_ContextUnion]):
        name = GetNameOfNode(entityNode)
        documentation = GetDocumentationOfNode(entityNode)
        generics = GetGenericsFromChainedNodes(nodes.Get_Generic_Chain(entityNode))
        ports = GetPortsFromChainedNodes(nodes.Get_Port_Chain(entityNode))
        declaredItems = GetDeclaredItemsFromChainedNodes(nodes.Get_Declaration_Chain(entityNode), "entity", name)
        statements = GetConcurrentStatementsFromChainedNodes(
            nodes.Get_Concurrent_Statement_Chain(entityNode), "entity", name
        )

        # FIXME: read use clauses

        return cls(entityNode, name, contextItems, generics, ports, declaredItems, statements, documentation)


@export
class Architecture(VHDLModel_Architecture, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        entity: EntitySymbol,
        contextItems: Iterable[VHDLModel_ContextUnion] = None,
        declaredItems: Iterable = None,
        statements: Iterable["ConcurrentStatement"] = None,
        documentation: str = None,
    ):
        super().__init__(identifier, entity, contextItems, declaredItems, statements, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, architectureNode: Iir, contextItems: Iterable[VHDLModel_ContextUnion]):
        name = GetNameOfNode(architectureNode)
        documentation = GetDocumentationOfNode(architectureNode)
        entityNameNode = nodes.Get_Entity_Name(architectureNode)
        entitySymbol = EntitySymbol(entityNameNode, GetNameOfNode(entityNameNode))
        declaredItems = GetDeclaredItemsFromChainedNodes(
            nodes.Get_Declaration_Chain(architectureNode), "architecture", name
        )
        statements = GetConcurrentStatementsFromChainedNodes(
            nodes.Get_Concurrent_Statement_Chain(architectureNode), "architecture", name
        )

        # FIXME: read use clauses

        return cls(architectureNode, name, entitySymbol, contextItems, declaredItems, statements, documentation)


@export
class Component(VHDLModel_Component, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        genericItems: Iterable[GenericInterfaceItem] = None,
        portItems: Iterable[PortInterfaceItem] = None,
        documentation: str = None,
    ):
        super().__init__(identifier, genericItems, portItems, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, componentNode: Iir):
        name = GetNameOfNode(componentNode)
        documentation = GetDocumentationOfNode(componentNode)
        generics = GetGenericsFromChainedNodes(nodes.Get_Generic_Chain(componentNode))
        ports = GetPortsFromChainedNodes(nodes.Get_Port_Chain(componentNode))

        return cls(componentNode, name, generics, ports, documentation)


@export
class Package(VHDLModel_Package, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        contextItems: Iterable[VHDLModel_ContextUnion] = None,
        genericItems: Iterable[GenericInterfaceItem] = None,
        declaredItems: Iterable = None,
        documentation: str = None,
    ):
        super().__init__(identifier, contextItems, genericItems, declaredItems, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, packageNode: Iir, contextItems: Iterable[VHDLModel_ContextUnion]):
        name = GetNameOfNode(packageNode)
        documentation = GetDocumentationOfNode(packageNode)

        packageHeader = nodes.Get_Package_Header(packageNode)
        if packageHeader is not nodes.Null_Iir:
            generics = GetGenericsFromChainedNodes(nodes.Get_Generic_Chain(packageHeader))
        else:
            generics = []

        declaredItems = GetDeclaredItemsFromChainedNodes(nodes.Get_Declaration_Chain(packageNode), "package", name)

        # FIXME: read use clauses

        return cls(packageNode, name, contextItems, generics, declaredItems, documentation)


@export
class PackageBody(VHDLModel_PackageBody, DOMMixin):
    def __init__(
        self,
        node: Iir,
        packageSymbol: PackageSymbol,
        contextItems: Iterable[VHDLModel_ContextUnion] = None,
        declaredItems: Iterable = None,
        documentation: str = None,
    ):
        super().__init__(packageSymbol, contextItems, declaredItems, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, packageBodyNode: Iir, contextItems: Iterable[VHDLModel_ContextUnion]):
        packageName = GetNameOfNode(packageBodyNode)
        packageSymbol = PackageSymbol(packageBodyNode, packageName)
        documentation = GetDocumentationOfNode(packageBodyNode)
        declaredItems = GetDeclaredItemsFromChainedNodes(
            nodes.Get_Declaration_Chain(packageBodyNode), "package", packageName
        )

        # FIXME: read use clauses

        return cls(packageBodyNode, packageSymbol, contextItems, declaredItems, documentation)


@export
class PackageInstantiation(VHDLModel_PackageInstantiation, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        uninstantiatedPackageName: Name,
        #        genericItems: List[GenericInterfaceItem] = None,
        documentation: str = None,
    ):
        super().__init__(identifier, uninstantiatedPackageName, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, packageNode: Iir):
        name = GetNameOfNode(packageNode)
        documentation = GetDocumentationOfNode(packageNode)
        uninstantiatedPackageName = nodes.Get_Uninstantiated_Package_Name(packageNode)

        # FIXME: read use clauses (does it apply here too?)
        # FIXME: read generics
        # FIXME: read generic map
        # genericAssociations = GetGenericMapAspect(nodes.Get_Generic_Map_Aspect_Chain(instantiationNode))

        return cls(packageNode, name, uninstantiatedPackageName, documentation)


@export
class Context(VHDLModel_Context, DOMMixin):
    def __init__(
        self,
        node: Iir,
        identifier: str,
        references: Iterable[ContextUnion] = None,
        documentation: str = None,
    ):
        super().__init__(identifier, references, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, contextNode: Iir):
        from pyGHDL.dom._Utils import GetIirKindOfNode

        name = GetNameOfNode(contextNode)
        documentation = GetDocumentationOfNode(contextNode)

        items = []
        names = []
        for item in utils.chain_iter(nodes.Get_Context_Items(contextNode)):
            kind = GetIirKindOfNode(item)
            if kind is nodes.Iir_Kind.Library_Clause:
                libraryIdentifier = GetNameOfNode(item)
                names.append(LibraryReferenceSymbol(item, libraryIdentifier))
                if nodes.Get_Has_Identifier_List(item):
                    continue

                items.append(LibraryClause(item, names))
                names = []
            elif kind is nodes.Iir_Kind.Use_Clause:
                items.append(UseClause.parse(item))
            elif kind is nodes.Iir_Kind.Context_Reference:
                items.append(ContextReference.parse(item))
            else:
                pos = Position.parse(item)
                raise DOMException(f"Unknown context item kind '{kind.name}' in context at line {pos.Line}.")

        return cls(contextNode, name, items, documentation)


@export
class Configuration(VHDLModel_Configuration, DOMMixin):
    def __init__(self, node: Iir, identifier: str, contextItems: Iterable[Context] = None, documentation: str = None):
        super().__init__(identifier, contextItems, documentation)
        DOMMixin.__init__(self, node)

    @classmethod
    def parse(cls, configurationNode: Iir, contextItems: Iterable[Context]):
        name = GetNameOfNode(configurationNode)
        documentation = GetDocumentationOfNode(configurationNode)

        # FIXME: read use clauses
        # FIXME: read specifications

        return cls(configurationNode, name, contextItems, documentation)