src/mem/slicc/ast/ObjDeclAST.py

# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
# Copyright (c) 2009 The Hewlett-Packard Development Company
# All rights reserved.
#
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# redistributions in binary form must reproduce the above copyright
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# this software without specific prior written permission.
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from slicc.ast.DeclAST import DeclAST
from slicc.symbols import Var


class ObjDeclAST(DeclAST):
    def __init__(self, slicc, type_ast, ident, pairs, rvalue, pointer):
        super().__init__(slicc, pairs)

        self.type_ast = type_ast
        self.ident = ident
        self.rvalue = rvalue
        self.pointer = pointer

    def __repr__(self):
        return "[ObjDecl: %r]" % self.ident

    def generate(self, parent=None, **kwargs):
        if "network" in self and not (
            "virtual_network" in self or "physical_network" in self
        ):
            self.error("Network queues require a 'virtual_network' attribute")

        type = self.type_ast.type

        # FIXME : should all use accessors here to avoid public member
        # variables
        if self.ident == "version":
            c_code = "m_version"
        elif self.ident == "machineID":
            c_code = "m_machineID"
        elif self.ident == "clusterID":
            c_code = "m_clusterID"
        elif self.ident == "recycle_latency":
            c_code = "m_recycle_latency"
        else:
            c_code = "(*m_%s_ptr)" % (self.ident)

        # check type if this is a initialization
        init_code = ""
        if self.rvalue:
            rvalue_type, init_code = self.rvalue.inline(True)
            if type != rvalue_type:
                self.error(
                    "Initialization type mismatch '%s' and '%s'"
                    % (type, rvalue_type)
                )

        machine = self.symtab.state_machine

        v = Var(
            self.symtab,
            self.ident,
            self.location,
            type,
            c_code,
            self.pairs,
            machine,
        )

        # Add data member to the parent type
        if parent:
            if not parent.addDataMember(
                self.ident, type, self.pairs, init_code
            ):
                self.error(
                    "Duplicate data member: %s:%s" % (parent, self.ident)
                )

        elif machine:
            machine.addObject(v)

        else:
            self.symtab.newSymbol(v)