Beispiel #1
0
    def parse(self):
        unit = nodes.Get_First_Design_Unit(self.__ghdlFile)
        while unit != nodes.Null_Iir:
            libraryUnit = nodes.Get_Library_Unit(unit)
            nodeKind = nodes.Get_Kind(libraryUnit)

            if (nodeKind == nodes.Iir_Kind.Entity_Declaration):
                entity = Entity.parse(libraryUnit)
                self.Entities.append(entity)

            elif (nodeKind == nodes.Iir_Kind.Architecture_Body):
                architecture = Architecture.parse(libraryUnit)
                self.Architectures.append(architecture)

            elif (nodeKind == nodes.Iir_Kind.Package_Declaration):
                package = Package.parse(libraryUnit)
                self.Packages.append(package)

            elif (nodeKind == nodes.Iir_Kind.Package_Body):
                packageBody = PackageBody.parse(libraryUnit)
                self.PackageBodies.append(packageBody)

            elif (nodeKind == nodes.Iir_Kind.Context_Declaration):
                context = Context.parse(libraryUnit)
                self.Contexts.append(context)

            elif (nodeKind == nodes.Iir_Kind.Configuration_Declaration):
                configuration = Configuration.parse(libraryUnit)
                self.Configurations.append(configuration)

            else:
                raise GHDLException("Unknown design unit kind.")

            unit = nodes.Get_Chain(unit)
Beispiel #2
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 def compute_anti_dependences(self):
     """Return a dictionnary of anti dependencies for design unit"""
     res = {}
     lib = libraries.Get_Libraries_Chain()
     while lib != nodes.Null_Iir:
         files = nodes.Get_Design_File_Chain(lib)
         while files != nodes.Null_Iir:
             units = nodes.Get_First_Design_Unit(files)
             while units != nodes.Null_Iir:
                 if nodes.Get_Date_State(units) == nodes.Date_State.Analyze:
                     # The unit has been analyzed, so the dependencies are know.
                     deps = nodes.Get_Dependence_List(units)
                     assert deps != nodes.Null_Iir_List
                     deps_it = lists.Iterate(deps)
                     while lists.Is_Valid(byref(deps_it)):
                         el = lists.Get_Element(byref(deps_it))
                         if nodes.Get_Kind(
                                 el) == nodes.Iir_Kind.Design_Unit:
                             if res.get(el, None):
                                 res[el].append(units)
                             else:
                                 res[el] = [units]
                         else:
                             assert False
                         lists.Next(byref(deps_it))
                 units = nodes.Get_Chain(units)
             files = nodes.Get_Chain(files)
         lib = nodes.Get_Chain(lib)
     return res
Beispiel #3
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def concurrent_stmts_iter(n) -> Generator[Any, None, None]:
    """Iterate concurrent statements in node :obj:`n`."""
    k = nodes.Get_Kind(n)
    if k == nodes.Iir_Kind.Design_File:
        for n1 in chain_iter(nodes.Get_First_Design_Unit(n)):
            for n2 in concurrent_stmts_iter(n1):
                yield n2
    elif k == nodes.Iir_Kind.Design_Unit:
        for n1 in concurrent_stmts_iter(nodes.Get_Library_Unit(n)):
            yield n1
    elif k in (
        nodes.Iir_Kind.Entity_Declaration,
        nodes.Iir_Kind.Architecture_Body,
        nodes.Iir_Kind.Block_Statement,
    ):
        for n1 in chain_iter(nodes.Get_Concurrent_Statement_Chain(n)):
            yield n1
            for n2 in concurrent_stmts_iter(n1):
                yield n2
    elif k == nodes.Iir_Kind.For_Generate_Statement:
        for n1 in concurrent_stmts_iter(nodes.Get_Generate_Statement_Body(n)):
            yield n1
    elif k == nodes.Iir_Kind.If_Generate_Statement:
        while n != nodes.Null_Iir:
            for n1 in concurrent_stmts_iter(nodes.Get_Generate_Statement_Body(n)):
                yield n1
            n = nodes.Get_Generate_Else_Clause(n)
    elif k == nodes.Iir_Kind.Case_Generate_Statement:
        alt = nodes.Get_Case_Statement_Alternative_Chain(n)
        for n1 in chain_iter(alt):
            blk = nodes.Get_Associated_Block(n1)
            if blk != nodes.Null_Iir:
                for n2 in concurrent_stmts_iter(nodes.Get_Generate_Statement_Body(n)):
                    yield n2
Beispiel #4
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 def document_symbols(self):
     log.debug("document_symbols")
     if self._tree == nodes.Null_Iir:
         return []
     syms = symbols.get_symbols_chain(
         self._fe, nodes.Get_First_Design_Unit(self._tree))
     return self.flatten_symbols(syms, None)
Beispiel #5
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 def compute_diags(self):
     log.debug("parse doc %d %s", self._fe, self.uri)
     self.parse_document()
     if self._tree == nodes.Null_Iir:
         # No units, nothing to add.
         return
     # Semantic analysis.
     unit = nodes.Get_First_Design_Unit(self._tree)
     while unit != nodes.Null_Iir:
         sem.Semantic(unit)
         nodes.Set_Date_State(unit, nodes.Date_State.Analyze)
         unit = nodes.Get_Chain(unit)
Beispiel #6
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    def test_InitializeGHDL(self) -> None:
        """Initialization: set options and then load libaries."""
        libghdl.initialize()

        # Print error messages on the console.
        errorout_console.Install_Handler()

        # Set options. This must be done before analyze_init()
        libghdl.set_option("--std=08")

        # Finish initialization. This will load the standard package.
        if libghdl.analyze_init_status() != 0:
            self.fail("libghdl initialization error")

        # Load the file
        file_id = name_table.Get_Identifier(str(self._filename))
        sfe = files_map.Read_Source_File(name_table.Null_Identifier, file_id)
        if sfe == files_map.No_Source_File_Entry:
            self.fail("Cannot read file '{!s}'".format(self._filename))

        # Parse
        file = sem_lib.Load_File(sfe)

        # Display all design units
        designUnit = nodes.Get_First_Design_Unit(file)
        while designUnit != nodes.Null_Iir:
            libraryUnit = nodes.Get_Library_Unit(designUnit)

            if nodes.Get_Kind(
                    libraryUnit) == nodes.Iir_Kind.Entity_Declaration:
                entityName = self.getIdentifier(libraryUnit)
                self.assertEqual(
                    entityName,
                    "entity_1",
                    "expected entity name 'e1', got '{}'".format(entityName),
                )

            elif nodes.Get_Kind(
                    libraryUnit) == nodes.Iir_Kind.Architecture_Body:
                architectureName = self.getIdentifier(libraryUnit)
                self.assertEqual(
                    architectureName,
                    "behav",
                    "expected architecture name 'behav', got '{}'".format(
                        architectureName),
                )

            else:
                self.fail("Unknown unit.")

            designUnit = nodes.Get_Chain(designUnit)
Beispiel #7
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 def obsolete_doc(self, doc):
     if doc._tree == nodes.Null_Iir:
         return
     # Free old tree
     assert nodes.Get_Kind(doc._tree) == nodes.Iir_Kind.Design_File
     if self._last_linted_doc == doc:
         antideps = None
     else:
         antideps = self.compute_anti_dependences()
     unit = nodes.Get_First_Design_Unit(doc._tree)
     while unit != nodes.Null_Iir:
         if antideps is not None:
             self.obsolete_dependent_units(unit, antideps)
         # FIXME: free unit; it is not referenced.
         unit = nodes.Get_Chain(unit)
     libraries.Purge_Design_File(doc._tree)
     doc._tree = nodes.Null_Iir
Beispiel #8
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 def add_to_library(tree):
     # Detach the chain of units.
     unit = nodes.Get_First_Design_Unit(tree)
     nodes.Set_First_Design_Unit(tree, nodes.Null_Iir)
     # FIXME: free the design file ?
     tree = nodes.Null_Iir
     # Analyze unit after unit.
     while unit != nodes.Null_Iir:
         # Pop the first unit.
         next_unit = nodes.Get_Chain(unit)
         nodes.Set_Chain(unit, nodes.Null_Iir)
         lib_unit = nodes.Get_Library_Unit(unit)
         if lib_unit != nodes.Null_Iir and nodes.Get_Identifier(
                 unit) != name_table.Null_Identifier:
             # Put the unit (only if it has a library unit) in the library.
             libraries.Add_Design_Unit_Into_Library(unit, False)
             tree = nodes.Get_Design_File(unit)
         unit = next_unit
     return tree
Beispiel #9
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 def x_get_all_entities(self):
     res = []
     lib = libraries.Get_Libraries_Chain()
     while lib != nodes.Null_Iir:
         files = nodes.Get_Design_File_Chain(lib)
         ents = []
         while files != nodes.Null_Iir:
             units = nodes.Get_First_Design_Unit(files)
             while units != nodes.Null_Iir:
                 unitlib = nodes.Get_Library_Unit(units)
                 if nodes.Get_Kind(
                         unitlib) == nodes.Iir_Kind.Entity_Declaration:
                     ents.append(unitlib)
                 units = nodes.Get_Chain(units)
             files = nodes.Get_Chain(files)
         ents = [pyutils.name_image(nodes.Get_Identifier(e)) for e in ents]
         lib_name = pyutils.name_image(nodes.Get_Identifier(lib))
         res.extend([{"name": n, "library": lib_name} for n in ents])
         lib = nodes.Get_Chain(lib)
     return res
Beispiel #10
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def find_def(n, loc):
    "Return the node at location :param loc:, or None if not under :param n:"
    if n == nodes.Null_Iir:
        return None
    k = nodes.Get_Kind(n)
    if k in [
        nodes.Iir_Kind.Simple_Name,
        nodes.Iir_Kind.Character_Literal,
        nodes.Iir_Kind.Operator_Symbol,
        nodes.Iir_Kind.Selected_Name,
        nodes.Iir_Kind.Attribute_Name,
        nodes.Iir_Kind.Selected_Element,
    ]:
        n_loc = nodes.Get_Location(n)
        if loc >= n_loc:
            ident = nodes.Get_Identifier(n)
            id_len = name_table.Get_Name_Length(ident)
            if loc < n_loc + id_len:
                return n
        if k == nodes.Iir_Kind.Simple_Name:
            return None
    elif k == nodes.Iir_Kind.Design_File:
        return find_def_chain(nodes.Get_First_Design_Unit(n), loc)
    elif k == nodes.Iir_Kind.Design_Unit:
        # if loc > elocations.Get_End_Location(unit):
        #    return None
        res = find_def_chain(nodes.Get_Context_Items(n), loc)
        if res is not None:
            return res
        unit = nodes.Get_Library_Unit(n)
        return find_def(unit, loc)

    # This is *much* faster than using node_iter!
    for f in pyutils.fields_iter(n):
        typ = nodes_meta.get_field_type(f)
        if typ == nodes_meta.types.Iir:
            attr = nodes_meta.get_field_attribute(f)
            if attr == nodes_meta.Attr.ANone:
                res = find_def(nodes_meta.Get_Iir(n, f), loc)
                if res is not None:
                    return res
            elif attr == nodes_meta.Attr.Chain:
                res = find_def_chain(nodes_meta.Get_Iir(n, f), loc)
                if res is not None:
                    return res
            elif attr == nodes_meta.Attr.Maybe_Ref:
                if not nodes.Get_Is_Ref(n):
                    res = find_def(nodes_meta.Get_Iir(n, f), loc)
                    if res is not None:
                        return res
        elif typ == nodes_meta.types.Iir_List:
            attr = nodes_meta.get_field_attribute(f)
            if attr == nodes_meta.Attr.ANone:
                for n1 in pyutils.list_iter(nodes_meta.Get_Iir_List(n, f)):
                    res = find_def(n1, loc)
                    if res is not None:
                        return res
        elif typ == nodes_meta.types.Iir_Flist:
            attr = nodes_meta.get_field_attribute(f)
            if attr == nodes_meta.Attr.ANone:
                for n1 in pyutils.flist_iter(nodes_meta.Get_Iir_Flist(n, f)):
                    res = find_def(n1, loc)
                    if res is not None:
                        return res

    return None
Beispiel #11
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def constructs_iter(n) -> Generator[Any, None, None]:
    """
    Iterate library units, concurrent statements and declarations
    that appear directly within a declarative part.
    """
    if n == nodes.Null_Iir:
        return
    k = nodes.Get_Kind(n)
    if k == nodes.Iir_Kind.Design_File:
        for n1 in chain_iter(nodes.Get_First_Design_Unit(n)):
            for n2 in constructs_iter(n1):
                yield n2
    elif k == nodes.Iir_Kind.Design_Unit:
        n1 = nodes.Get_Library_Unit(n)
        yield n1
        for n2 in constructs_iter(n1):
            yield n2
    elif k in (
        nodes.Iir_Kind.Entity_Declaration,
        nodes.Iir_Kind.Architecture_Body,
        nodes.Iir_Kind.Block_Statement,
        nodes.Iir_Kind.Generate_Statement_Body,
    ):
        for n1 in chain_iter(nodes.Get_Declaration_Chain(n)):
            yield n1
            for n2 in constructs_iter(n1):
                yield n2
        for n1 in chain_iter(nodes.Get_Concurrent_Statement_Chain(n)):
            yield n1
            for n2 in constructs_iter(n1):
                yield n2
    elif k in (
        nodes.Iir_Kind.Configuration_Declaration,
        nodes.Iir_Kind.Package_Declaration,
        nodes.Iir_Kind.Package_Body,
        nodes.Iir_Kind.Function_Body,
        nodes.Iir_Kind.Procedure_Body,
        nodes.Iir_Kind.Protected_Type_Declaration,
        nodes.Iir_Kind.Protected_Type_Body,
        nodes.Iir_Kind.Process_Statement,
        nodes.Iir_Kind.Sensitized_Process_Statement,
    ):
        for n1 in chain_iter(nodes.Get_Declaration_Chain(n)):
            yield n1
            for n2 in constructs_iter(n1):
                yield n2
    elif k == nodes.Iir_Kind.For_Generate_Statement:
        n1 = nodes.Get_Generate_Statement_Body(n)
        yield n1
        for n2 in constructs_iter(n1):
            yield n2
    elif k == nodes.Iir_Kind.If_Generate_Statement:
        while n != nodes.Null_Iir:
            n1 = nodes.Get_Generate_Statement_Body(n)
            yield n1
            for n2 in constructs_iter(n1):
                yield n2
            n = nodes.Get_Generate_Else_Clause(n)
    elif k == nodes.Iir_Kind.Case_Generate_Statement:
        alt = nodes.Get_Case_Statement_Alternative_Chain(n)
        for n1 in chain_iter(alt):
            blk = nodes.Get_Associated_Block(n1)
            if blk != nodes.Null_Iir:
                n2 = nodes.Get_Generate_Statement_Body(blk)
                yield n2
                for n3 in constructs_iter(n2):
                    yield n3
Beispiel #12
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    def translate(self):
        firstUnit = nodes.Get_First_Design_Unit(self.__ghdlFile)

        for unit in utils.chain_iter(firstUnit):
            libraryUnit = nodes.Get_Library_Unit(unit)
            nodeKind = GetIirKindOfNode(libraryUnit)

            contextItems = []
            contextNames = []
            context = nodes.Get_Context_Items(unit)
            if context is not nodes.Null_Iir:
                for item in utils.chain_iter(context):
                    itemKind = GetIirKindOfNode(item)
                    if itemKind is nodes.Iir_Kind.Library_Clause:
                        contextNames.append(
                            SimpleName(item, GetNameOfNode(item)))
                        if nodes.Get_Has_Identifier_List(item):
                            continue

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

            if nodeKind == nodes.Iir_Kind.Entity_Declaration:
                entity = Entity.parse(libraryUnit, contextItems)
                self.Entities.append(entity)

            elif nodeKind == nodes.Iir_Kind.Architecture_Body:
                architecture = Architecture.parse(libraryUnit, contextItems)
                self.Architectures.append(architecture)

            elif nodeKind == nodes.Iir_Kind.Package_Declaration:
                package = Package.parse(libraryUnit, contextItems)
                self.Packages.append(package)

            elif nodeKind == nodes.Iir_Kind.Package_Body:
                packageBody = PackageBody.parse(libraryUnit, contextItems)
                self.PackageBodies.append(packageBody)

            elif nodeKind == nodes.Iir_Kind.Package_Instantiation_Declaration:
                package = PackageInstantiation.parse(libraryUnit)
                self.Packages.append(package)

            elif nodeKind == nodes.Iir_Kind.Context_Declaration:
                context = Context.parse(libraryUnit)
                self.Contexts.append(context)

            elif nodeKind == nodes.Iir_Kind.Configuration_Declaration:
                configuration = Configuration.parse(libraryUnit, contextItems)
                self.Configurations.append(configuration)

            elif nodeKind == nodes.Iir_Kind.Vunit_Declaration:
                vunit = VerificationUnit.parse(libraryUnit)
                self.VerificationUnits.append(vunit)

            elif nodeKind == nodes.Iir_Kind.Vprop_Declaration:
                vprop = VerificationProperty.parse(libraryUnit)
                self.VerificationProperties.append(vprop)

            elif nodeKind == nodes.Iir_Kind.Vmode_Declaration:
                vmod = VerificationMode.parse(libraryUnit)
                self.VerificationModes.append(vmod)

            else:
                raise DOMException("Unknown design unit kind '{kind}'.".format(
                    kind=nodeKind.name))