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author	Dag Lem <dag@nimrod.no>	2022-11-12 08:48:25 +0100
committer	Dag Lem <dag@nimrod.no>	2022-11-12 08:48:25 +0100
commit	bab88630c28b43851162772c2ce35666357d8933 (patch)
tree	96e2dc4f9c1e552281b4f2b8260ced1783f856d0 /techlibs/intel/common/ff_map.v
parent	a217450524e21222d8d32bd448f1ea2291685258 (diff)
download	yosys-bab88630c28b43851162772c2ce35666357d8933.tar.gz yosys-bab88630c28b43851162772c2ce35666357d8933.tar.bz2 yosys-bab88630c28b43851162772c2ce35666357d8933.zip

Support for arrays with swapped ranges within structs

This also corrects the implementation of C type arrays within structs. Fixes #3550

Diffstat (limited to 'techlibs/intel/common/ff_map.v')

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import logging
import os
import json
from ctypes import byref
import libghdl
import libghdl.thin.errorout_memory as errorout_memory
import libghdl.thin.flags
import libghdl.thin.errorout as errorout
import libghdl.thin.files_map as files_map
import libghdl.thin.libraries as libraries
import libghdl.thin.name_table as name_table
import libghdl.thin.vhdl.nodes as nodes
import libghdl.thin.vhdl.lists as lists
import libghdl.thin.vhdl.std_package as std_package
import libghdl.thin.vhdl.parse
import libghdl.thin.vhdl.pyutils as pyutils
import libghdl.thin.vhdl.sem_lib as sem_lib

from . import lsp
from . import document, symbols

log = logging.getLogger(__name__)

class ProjectError(Exception):
    "Exception raised in case of unrecoverable error in the project file."
    def __init__(self, msg):
        super().__init__()
        self.msg = msg

class Workspace(object):
    def __init__(self, root_uri, server):
        self._root_uri = root_uri
        self._server = server
        self._root_path = lsp.path_from_uri(self._root_uri)
        self._docs = {}     # uri -> doc
        self._fe_map = {}   # fe -> doc
        self._prj = {}
        self._last_linted_doc = None
        errorout_memory.Install_Handler()
        libghdl.thin.flags.Flag_Elocations.value = True
        #thin.Flags.Verbose.value = True
        # We do analysis even in case of errors.
        libghdl.thin.vhdl.parse.Flag_Parse_Parenthesis.value = True
        # Force analysis to get more feedback + navigation even in case
        # of errors.
        libghdl.thin.flags.Flag_Force_Analysis.value = True
        # Do not consider analysis order issues.
        libghdl.thin.flags.Flag_Elaborate_With_Outdated.value = True
        libghdl.thin.errorout.Enable_Warning(errorout.Msgid.Warnid_Unused, True)
        self.read_project()
        self.set_options_from_project()
        libghdl.analyze_init()
        self._diags_set = set() # Documents with at least one diagnostic.
        self.read_files_from_project()
        self.gather_diagnostics(None)

    @property
    def documents(self):
        return self._docs

    @property
    def root_path(self):
        return self._root_path

    @property
    def root_uri(self):
        return self._root_uri

    def _create_document(self, doc_uri, sfe, version=None):
        """Create a document and put it in this workspace."""
        doc = document.Document(doc_uri, sfe, version)
        self._docs[doc_uri] = doc
        self._fe_map[sfe] = doc
        return doc

    def create_document_from_sfe(self, sfe, abspath):
        # A filename has been given without a corresponding document.
        # Create the document.
        # Common case: an error message was reported in a non-open document.
        #  Create a document so that it could be reported to the client.
        doc_uri = lsp.path_to_uri(os.path.normpath(abspath))
        return self._create_document(doc_uri, sfe)

    def create_document_from_uri(self, doc_uri, source=None, version=None):
        # A document is referenced by an uri but not known.  Load it.
        # We assume the path is correct.
        path = lsp.path_from_uri(doc_uri)
        if source is None:
            source = open(path).read()
        sfe = document.Document.load(source, os.path.dirname(path), os.path.basename(path))
        return self._create_document(doc_uri, sfe)

    def get_or_create_document(self, doc_uri):
        res = self.get_document(doc_uri)
        if res is not None:
            return res
        res = self.create_document_from_uri(doc_uri)
        res.parse_document()
        return res

    def get_document(self, doc_uri):
        """Get a document from :param doc_uri:  Note that the document may not exist,
        and this function may return None."""
        return self._docs.get(doc_uri)

    def put_document(self, doc_uri, source, version=None):
        doc = self.get_document(doc_uri)
        if doc is None:
            doc = self.create_document_from_uri(doc_uri, source=source, version=version)
        else:
            # The document may already be present (loaded from a project)
            # In that case, overwrite it as the client may have a more
            # recent version.
            doc.reload(source)
        return doc

    def sfe_to_document(self, sfe):
        """Get the document correspond to :param sfe: source file.
        Can create the document if needed."""
        assert sfe != 0
        doc = self._fe_map.get(sfe, None)
        if doc is None:
            # Could be a document from outside...
            filename = pyutils.name_image(files_map.Get_File_Name(sfe))
            if not os.path.isabs(filename):
                dirname = pyutils.name_image(files_map.Get_Directory_Name(sfe))
                filename = os.path.join(dirname, filename)
            doc = self.create_document_from_sfe(sfe, filename)
        return doc

    def add_vhdl_file(self, name):
        log.info("loading %s", name)
        if os.path.isabs(name):
            absname = name
        else:
            absname = os.path.join(self._root_path, name)
        # Create a document for this file.
        try:
            fd = open(absname)
            sfe = document.Document.load(fd.read(), self._root_path, name)
            fd.close()
        except OSError as err:
            self._server.show_message(
                lsp.MessageType.Error,
                "cannot load {}: {}".format(name, err.strerror))
            return
        doc = self.create_document_from_sfe(sfe, absname)
        doc.parse_document()

    def read_project(self):
        prj_file = os.path.join(self.root_path, 'hdl-prj.json')
        if not os.path.exists(prj_file):
            log.info("project file %s does not exist", prj_file)
            return
        try:
            f = open(prj_file)
        except OSError as err:
            self._server.show_message(
                lsp.MessageType.Error,
                "cannot open project file {}: {}".format(prj_file, err.strerror))
            return
        log.info("reading project file %s", prj_file)
        try:
            self._prj = json.load(f)
        except json.decoder.JSONDecodeError as e:
            log.info("error in project file")
            self._server.show_message(
                lsp.MessageType.Error,
                "json error in project file {}:{}:{}".format(
                    prj_file, e.lineno, e.colno))


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