def obsolete_dependent_units(self, unit, antideps):
"""Obsolete units that depends of :param unit:"""
udeps = antideps.get(unit, None)
if udeps is None:
# There are no units.
return
# Avoid infinite recursion
antideps[unit] = None
for un in udeps:
log.debug("obsolete %d %s", un,
pyutils.name_image(nodes.Get_Identifier(un)))
# Recurse
self.obsolete_dependent_units(un, antideps)
if nodes.Set_Date_State(un) == nodes.Date_State.Disk:
# Already obsolete!
continue
# FIXME: just de-analyze ?
nodes.Set_Date_State(un, nodes.Date_State.Disk)
sem_lib.Free_Dependence_List(un)
loc = nodes.Get_Location(un)
fil = files_map.Location_To_File(loc)
pos = files_map.Location_File_To_Pos(loc, fil)
line = files_map.Location_File_To_Line(loc, fil)
col = files_map.Location_File_Line_To_Offset(loc, fil, line)
nodes.Set_Design_Unit_Source_Pos(un, pos)
nodes.Set_Design_Unit_Source_Line(un, line)
nodes.Set_Design_Unit_Source_Col(un, col)
def goto_definition(n, loc):
"Return the declaration (as a node) under :param loc: or None"
ref = find_def(n, loc)
log.debug("for loc %u found node %s", loc, ref)
if ref is None:
return None
log.debug("for loc %u id=%s", loc, name_table.Get_Name_Ptr(nodes.Get_Identifier(ref)).decode('utf-8'))
ent = nodes.Get_Named_Entity(ref)
return None if ent == nodes.Null_Iir else ent
def create_interfaces(inters):
res = []
while inters != nodes.Null_Iir:
res.append({
'name':
name_table.Get_Name_Ptr(
nodes.Get_Identifier(inters)).decode('latin-1')
})
inters = nodes.Get_Chain(inters)
return res
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 goto_definition(self, doc_uri, position):
decl = self._docs[doc_uri].goto_definition(position)
if decl is None:
return None
decl_loc = self.declaration_to_location(decl)
if decl_loc is None:
return None
res = [decl_loc]
if nodes.Get_Kind(decl) == nodes.Iir_Kind.Component_Declaration:
ent = libraries.Find_Entity_For_Component(nodes.Get_Identifier(decl))
if ent != nodes.Null_Iir:
res.append(self.declaration_to_location(nodes.Get_Library_Unit(ent)))
return res
def declaration_to_location(self, decl):
"Convert declaration :param decl: to an LSP Location"
decl_loc = nodes.Get_Location(decl)
if decl_loc == std_package.Std_Location.value:
# There is no real file for the std.standard package.
return None
if decl_loc == libraries.Library_Location.value:
# Libraries declaration are virtual.
return None
fe = files_map.Location_To_File(decl_loc)
doc = self.sfe_to_document(fe)
res = {'uri': doc.uri}
nid = nodes.Get_Identifier(decl)
res['range'] = {'start': symbols.location_to_position(fe, decl_loc),
'end': symbols.location_to_position(fe, decl_loc + name_table.Get_Name_Length(nid))}
return res
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 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 get_symbols(fe, n):
if n == nodes.Null_Iir:
return None
k = nodes.Get_Kind(n)
if k == nodes.Iir_Kind.Design_Unit:
return get_symbols(fe, nodes.Get_Library_Unit(n))
m = SYMBOLS_MAP.get(k, None)
if m is None:
raise AssertionError("get_symbol: unhandled {}".format(
pyutils.kind_image(k)))
kind = m['kind']
if kind is None:
return None
if k in [
nodes.Iir_Kind.Procedure_Declaration,
nodes.Iir_Kind.Function_Declaration
]:
# Discard implicit declarations.
if nodes.Get_Implicit_Definition(n) < nodes.Iir_Predefined.PNone:
return None
if nodes.Get_Has_Body(n):
# Use the body instead.
# FIXME: but get interface from the spec!
return None
res = {'kind': kind}
detail = m.get('detail')
if detail is not None:
res['detail'] = detail
# Get the name
if k in [nodes.Iir_Kind.Function_Body, nodes.Iir_Kind.Procedure_Body]:
nid = nodes.Get_Identifier(nodes.Get_Subprogram_Specification(n))
else:
nid = nodes.Get_Identifier(n)
if nid == name_table.Null_Identifier:
name = None
else:
name = pyutils.name_image(nid)
# Get the range. Use elocations when possible.
if k in (nodes.Iir_Kind.Architecture_Body,
nodes.Iir_Kind.Entity_Declaration,
nodes.Iir_Kind.Package_Declaration, nodes.Iir_Kind.Package_Body,
nodes.Iir_Kind.Component_Declaration,
nodes.Iir_Kind.Process_Statement,
nodes.Iir_Kind.Sensitized_Process_Statement,
nodes.Iir_Kind.If_Generate_Statement,
nodes.Iir_Kind.For_Generate_Statement):
start_loc = elocations.Get_Start_Location(n)
end_loc = elocations.Get_End_Location(n)
if end_loc == files_map.No_Location:
# Can happen in case of parse error
end_loc = start_loc
else:
start_loc = nodes.Get_Location(n)
end_loc = start_loc + name_table.Get_Name_Length(nid)
res['range'] = {
'start': location_to_position(fe, start_loc),
'end': location_to_position(fe, end_loc)
}
# Gather children.
# FIXME: should we use a list of fields to inspect ?
children = []
#if nodes_meta.Has_Generic_Chain(k):
# children.extend(get_symbols_chain(fe, nodes.Get_Generic_Chain(n)))
#if nodes_meta.Has_Port_Chain(k):
# children.extend(get_symbols_chain(fe, nodes.Get_Port_Chain(n)))
#if nodes_meta.Has_Interface_Declaration_Chain(k):
# children.extend(get_symbols_chain(fe, nodes.Get_Interface_Declaration_Chain(n)))
if k in (nodes.Iir_Kind.Package_Declaration, nodes.Iir_Kind.Package_Body):
children.extend(get_symbols_chain(fe, nodes.Get_Declaration_Chain(n)))
if nodes_meta.Has_Concurrent_Statement_Chain(k):
children.extend(
get_symbols_chain(fe, nodes.Get_Concurrent_Statement_Chain(n)))
if nodes_meta.Has_Generate_Statement_Body(k):
children.extend(
get_symbols_chain(
fe,
nodes.Get_Concurrent_Statement_Chain(
nodes.Get_Generate_Statement_Body(n))))
if children:
res['children'] = children
else:
# Discard anonymous symbols without children.
if name is None:
return None
res['name'] = name if name is not None else '<anon>'
return res
def get_identifier_ptr(n):
"""Return the python string from node :param n: identifier"""
return name_table.Get_Name_Ptr(nodes.Get_Identifier(n)).decode('utf-8')
