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
