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Commit cbc99517 authored by Christos Gentsos's avatar Christos Gentsos
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vhdl_parser: handle context declarations and specifications

parent eb09e8ec
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hdlmake/sourcefiles/dep_file.py
View file @ cbc99517
......@@ -39,6 +39,7 @@ class DepRelation(object):
ENTITY = 1
PACKAGE = 2
ARCHITECTURE = 3
CONTEXT = 4
MODULE = ENTITY
def __init__(self, obj_name, lib_name, rel_type):
......@@ -46,6 +47,7 @@ class DepRelation(object):
DepRelation.ENTITY,
DepRelation.PACKAGE,
DepRelation.ARCHITECTURE,
DepRelation.CONTEXT,
DepRelation.MODULE]
self.rel_type = rel_type
self.obj_name = obj_name.lower()
......@@ -62,6 +64,7 @@ class DepRelation(object):
self.ENTITY: "entity",
self.PACKAGE: "package",
self.ARCHITECTURE: "architecture",
self.CONTEXT: "context",
self.MODULE: "module"}
return "%s '%s.%s'" % (ostr[self.rel_type],
self.lib_name or '',
......
hdlmake/sourcefiles/vhdl_parser.py
View file @ cbc99517
......@@ -77,6 +77,45 @@ class VHDLParser(DepParser):
return "<hdlmake use_pattern %s.%s>" % (lib_name, pkg_name)
buf = re.sub(use_pattern, do_use, buf)
use_context_pattern = re.compile(
r"^\s*context\s+(\w+)\s*\.\s*(\w+)\s*;",
re.DOTALL | re.MULTILINE | re.IGNORECASE)
def do_use_context(text):
"""Function to be applied by re.sub to every match of the
context_pattern in the VHDL code -- group() returns positive matches
as indexed plain strings. It adds the found CONTEXT relations to the
file"""
lib_name = text.group(1).lower()
pkg_name = text.group(2).lower()
if lib_name == "work":
# Work is an alias for the current library
lib_name = dep_file.library
logging.debug("use package %s.%s", lib_name, pkg_name)
dep_file.add_require(
DepRelation(pkg_name, lib_name, DepRelation.CONTEXT))
return "<hdlmake use_pattern %s.%s>" % (lib_name, pkg_name)
buf = re.sub(use_context_pattern, do_use_context, buf)
context_declaration_pattern = re.compile(
r"^\s*context\s+(?P<name>\w+)\s+is\s+"
r".*?"
r"end\s*(context\s*)?(?P=name)?\s*;",
re.DOTALL | re.MULTILINE | re.IGNORECASE)
def do_context_declaration(text):
"""Function to be applied by re.sub to every match of the
context_declaration_pattern in the VHDL code -- group() returns
positive matches as indexed plain strings. It adds the found PROVIDE
relations to the file
"""
ctx_name = text.group(1)
logging.debug("found entity %s.%s", dep_file.library, ctx_name)
dep_file.add_provide(
DepRelation(ctx_name, dep_file.library, DepRelation.CONTEXT))
return "<hdlmake entity_pattern %s.%s>" % (dep_file.library, ctx_name)
buf = re.sub(context_declaration_pattern, do_context_declaration, buf)
# new entity
entity_pattern = re.compile(
r"^\s*entity\s+(?P<name>\w+)\s+is\s+"
......
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