Exemplo n.º 1
0
 def getBaseNameScope(cls):
     """
     Get root of name space
     """
     s = NameScope.make_top(False)
     s.update(cls._keywords_dict)
     return s
Exemplo n.º 2
0
def verilog_to_hwt(context):
    """
    :type context: HdlContext
    """
    link_module_dec_def(context)
    name_scope = NameScope.make_top(False)

    DiscoverDeclarations(name_scope).visit_HdlContext(context)
    ResolveNames(name_scope).visit_HdlContext(context)
    #wrap_module_statements_to_processes(context)
    InjectProcessSensToStatements().visit_HdlContext(context)
    BasicHdlSimModelTranslateVerilogOperands().visit_HdlContext(context)
    VerilogTypesToHwt().visit_HdlContext(context)

    return context, name_scope
Exemplo n.º 3
0
def verilog_to_basic_hdl_sim_model(context):
    """
    :type context: HdlContext
    """
    link_module_dec_def(context)
    name_scope = NameScope.make_top(False)

    DiscoverDeclarations(name_scope).visit_HdlContext(context)
    ResolveNames(name_scope).visit_HdlContext(context)
    wrap_module_statements_to_processes(context)
    BasicHdlSimModelTranslateVerilogOperands().visit_HdlContext(context)
    VerilogTypesToBasicHdlSimModel().visit_HdlContext(context)
    stm_outputs = discover_stm_outputs_context(context)

    AddUniqueLabelsToAllProcesses(name_scope, stm_outputs).context(context)
    AssignmentToUpdateAssignment().visit_HdlContext(context)
    ApplyIoScopeToSignalNames().visit_HdlContext(context)

    return context, stm_outputs, name_scope
Exemplo n.º 4
0
def verilog_to_hwt(context):
    """
    :type context: HdlContext
    """
    link_module_dec_def(context)
    name_scope = NameScope.make_top(False)
    propopulate_verilog_builtins(name_scope)

    DiscoverDeclarations(name_scope).visit_HdlContext(context)
    ResolveNames(name_scope).visit_HdlContext(context)
    DetectCompileTimeStatements().visit_HdlContext(context)
    InjectProcessSensToStatements().visit_HdlContext(context)
    BasicHdlSimModelTranslateVerilogOperands(
        downto_to_slice_fn=False).visit_HdlContext(context)
    VerilogTypesToHwt().visit_HdlContext(context)
    AddCallOperatorForCallWithoutParenthesis().visit_HdlContext(context)
    wrap_module_statements_to_processes(context)
    SignalAssignmentsToCallOp().visit_HdlContext(context)

    return context, name_scope
Exemplo n.º 5
0
    def check_file(self, name, to_hdl_cls):
        """
        Load AST from json and convert it to target language
        and compare it with reference file
        """
        json_suffix, ref_file_suffix = self.FILE_SUFFIX[to_hdl_cls]
        d = parse_hdlConvertor_json_file(os.path.join(ROOT,
                                                      name + json_suffix))

        buff = StringIO()
        ser = to_hdl_cls(buff)
        if to_hdl_cls is ToBasicHdlSimModel:
            # it is required to know outputs of each process
            stm_outputs = discover_stm_outputs_context(d)
            stm_outputs = rm_ToBasicHdlSimModel_io_prefix_and_tmp_vars_from_outputs(
                stm_outputs)
            ser.visit_HdlContext(d, stm_outputs)
        else:
            if to_hdl_cls is ToHwt:
                # it is required to know the direction of port connections
                link_module_dec_def(d)
                name_scope = NameScope.make_top(False)
                for kw in HWT_KEYWORDS:
                    name_scope.register_name(kw, LanguageKeyword())
                DiscoverDeclarations(name_scope).visit_HdlContext(d)
                ResolveNames(name_scope).visit_HdlContext(d)

            ser.visit_HdlContext(d)

        res_str = buff.getvalue()

        ref_file = os.path.join(ROOT, "ref", name + ref_file_suffix)
        # with open(ref_file, "w", encoding="utf-8") as f:
        #     f.write(res_str)

        with open(ref_file, encoding="utf-8") as f:
            ref = f.read()

        self.assertEqual(ref, res_str)