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
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)
def concurrent_stmts_iter(n): """Iterator on concurrent statements in 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 == nodes.Iir_Kind.Entity_Declaration or k == nodes.Iir_Kind.Architecture_Body or k == 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 != 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 != Null_Iir: for n2 in concurrent_stmts_iter( nodes.Get_Generate_Statement_Body(n)): yield n2
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)
def compute_diags(self): log.debug("parse doc %d %s", self._fe, self.uri) tree = Document.parse_document(self._fe) assert self._tree == nodes.Null_Iir self._tree = Document.add_to_library(tree) if self._tree == nodes.Null_Iir: # No units, nothing to add. return nodes.Set_Design_File_Source(self._tree, self._fe) log.debug("add_to_library(%u) -> %u", tree, self._tree) # 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)
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
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
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
def lint(self, doc_uri): doc = self.get_document(doc_uri) if doc._tree != nodes.Null_Iir: # 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 doc.compute_diags() self.gather_diagnostics(doc)
def list_units(filename): # Load the file file_id = name_table.Get_Identifier(filename.encode('utf_8')) sfe = files_map.Read_Source_File(name_table.Null_Identifier, file_id) if sfe == files_map.No_Source_File_Entry: print("cannot open file '{}'".format(filename)) return # Parse and analyze file = sem_lib.Load_File(sfe) # Display all design units unit = nodes.Get_First_Design_Unit(file) while unit != nodes.Null_Iir: lib_unit = nodes.Get_Library_Unit(unit) if nodes.Get_Kind(lib_unit) == nodes.Iir_Kind.Entity_Declaration: print('entity {}'.format(get_identifier_ptr(lib_unit))) elif nodes.Get_Kind(lib_unit) == nodes.Iir_Kind.Architecture_Body: print('architecture {}'.format(get_identifier_ptr(lib_unit))) else: print('unknown unit!') unit = nodes.Get_Chain(unit)
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, f): 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
def constructs_iter(n): """Iterator on library unit, concurrent statements and declarations that appear directly within a declarative part.""" if n == thin.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 != 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 != Null_Iir: n2 = nodes.Get_Generate_Statement_Body(blk) yield n2 for n3 in constructs_iter(n2): yield n3