C++ IDL_IDENT函数代码示例

static gboolean
do_const_dcl(TreeState *state)
{
    struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(state->tree);
    const char *name = IDL_IDENT(dcl->ident).str;
    gboolean is_signed;
    GSList *doc_comments = IDL_IDENT(dcl->ident).comments;
    IDL_tree real_type;
    const char *const_format;

    if (!verify_const_declaration(state->tree))
        return FALSE;

    if (doc_comments != NULL) {
        write_indent(state->file);
        printlist(state->file, doc_comments);
    }

    /* Could be a typedef; try to map it to the real type. */
    real_type = find_underlying_type(dcl->const_type);
    real_type = real_type ? real_type : dcl->const_type;
    is_signed = IDL_TYPE_INTEGER(real_type).f_signed;

    const_format = is_signed ? "%" IDL_LL "d" : "%" IDL_LL "uU";
    write_indent(state->file);
    fprintf(state->file, "enum { %s = ", name);
    fprintf(state->file, const_format, IDL_INTEGER(dcl->const_exp).value);
    fprintf(state->file, " };\n\n");

    return TRUE;
}

CORBA_TypeCode
MateCORBA_imodule_create_alias_typecode (GHashTable    *typecodes,
				     IDL_tree       tree,
				     CORBA_TypeCode original_type)
{
	CORBA_Environment env;
	CORBA_TypeCode    retval;

	CORBA_exception_init (&env);

	g_return_val_if_fail (IDL_NODE_TYPE (tree) == IDLN_IDENT, NULL);
	g_return_val_if_fail (g_hash_table_lookup (typecodes,
						   IDL_IDENT (tree).repo_id) == NULL, NULL);

	retval = CORBA_ORB_create_alias_tc (NULL,
			IDL_IDENT (tree).repo_id,
			IDL_IDENT (tree).str,
			original_type, &env);

	MateCORBA_imodule_register_typecode (
			typecodes, IDL_IDENT (tree).repo_id, retval);

	if (env._major != CORBA_NO_EXCEPTION)
		g_warning ("MateCORBA_imodule_create_alias_typecode: exception %s", env._id);

	CORBA_exception_free (&env);

	return retval;
}

/*
 * make exception typecode
 */
static CORBA_TypeCode orbit_idl_tree_type_to_typecode_exception(IDL_tree type)
{
	CORBA_TypeCode type_code = NULL;
	CORBA_StructMemberSeq * p_members = NULL;

#if 0
	if (IDL_EXCEPT_DCL(type).members == NULL)
	{
		printf("no members\n");
		goto error;
	}
#endif

	p_members = orbit_create_member_sequence(IDL_EXCEPT_DCL(type).members);
	if (p_members == NULL)
		goto error;
	
	type_code = CORBA_ORB_create_exception_tc(
			orbit_get_orb(),
			IDL_IDENT(IDL_EXCEPT_DCL(type).ident).repo_id,
			IDL_IDENT(IDL_EXCEPT_DCL(type).ident).str,
			p_members,
			orbit_get_environment());

	goto exit;

error:
	satellite_release_typecode(type_code);

exit:
	CORBA_free(p_members);
	return type_code;

}

static
void VoyagerWriteParamsForParentCall(IDL_tree curif, InheritedOutputInfo2 *ioi)
{
  IDL_tree curitem;
  char* overridenMethodName;

  if(curif == ioi->realif)
    return;

  overridenMethodName=ioi->chrOverridenMethodName;

  for(curitem = IDL_INTERFACE(curif).body; curitem; curitem = IDL_LIST(curitem).next) {
    IDL_tree curop = IDL_LIST(curitem).data;

    switch(IDL_NODE_TYPE(curop)) {
    case IDLN_OP_DCL:
      {
        /* Check if the current method (introduced by some parent) is the one to be
           overriden. */
        if(!strcmp(overridenMethodName, IDL_IDENT(IDL_OP_DCL(curop).ident).str)){
          IDL_tree  sub;

          for (sub = IDL_OP_DCL (curop).parameter_dcls; sub; sub = IDL_LIST (sub).next) {
            IDL_tree parm = IDL_LIST (sub).data;
            fprintf (ioi->of, "%s, ", IDL_IDENT (IDL_PARAM_DCL (parm).simple_declarator).str);
          }
        }
        break;
      }
	default:
	  break;
    }
  }
}

/*
  This function is called for each parent to check if the current parent introduced the
  overriden method. If yes, the parameter info is taken from this parent and put into the
  file.
 */
static
void VoyagerDoWriteParamsForOverridenMethod(IDL_tree curif, InheritedOutputInfo2 *ioi)
{
  IDL_tree curitem;
  char* overridenMethodName;

  if(curif == ioi->realif)
    return;

  overridenMethodName=ioi->chrOverridenMethodName;

  for(curitem = IDL_INTERFACE(curif).body; curitem; curitem = IDL_LIST(curitem).next) {
    IDL_tree curop = IDL_LIST(curitem).data;

    switch(IDL_NODE_TYPE(curop)) {
    case IDLN_OP_DCL:
      {
        /* Check if the current method (introduced by some parent) is the one to be
           overriden. */
        if(!strcmp(overridenMethodName, IDL_IDENT(IDL_OP_DCL(curop).ident).str)){
          IDL_tree  sub;
          
          g_assert (IDL_NODE_TYPE(curop) == IDLN_OP_DCL);

          /* return typespec */
          orbit_cbe_write_param_typespec (ioi->of, curop);
          
          /* The methodname */
          fprintf (ioi->of, " %s%s_%s", "NOMLINK impl_",
                   ioi->chrClassName, overridenMethodName);
          
          fprintf (ioi->of, "(%s* nomSelf, ", ioi->chrClassName);
          
          /* Write the params including the typespec */          
          for (sub = IDL_OP_DCL (curop).parameter_dcls; sub; sub = IDL_LIST (sub).next) {
            IDL_tree parm = IDL_LIST (sub).data;
            
            orbit_cbe_write_param_typespec (ioi->of, parm);
            
            fprintf (ioi->of, " %s, ", IDL_IDENT (IDL_PARAM_DCL (parm).simple_declarator).str);
          }
          
          if (IDL_OP_DCL (curop).context_expr)
            fprintf (ioi->of, "CORBA_Context _ctx, ");
          
          fprintf (ioi->of, "CORBA_Environment *ev)");
        }
        break;
      }
	default:
	  break;
    }
  }
}

/*
 * If p is an ident for an interface, and we don't have an entry in the
 * interface map yet, add one.
 */
static gboolean
add_interface_maybe(IDL_tree_func_data *tfd, gpointer user_data)
{
    TreeState *state = user_data;
    IDL_tree up;
    if (IDL_NODE_TYPE(tfd->tree) == IDLN_IDENT) {
        IDL_tree_type node_type = IDL_NODE_TYPE((up = IDL_NODE_UP(tfd->tree)));
        if (node_type == IDLN_INTERFACE || node_type == IDLN_FORWARD_DCL) {

            /* We only want to add a new entry if there is no entry by this 
             * name or if the previously found entry was just a forward 
             * declaration and the new entry is not.
             */

            char *iface = IDL_IDENT(tfd->tree).str;
            NewInterfaceHolder *old_holder = (NewInterfaceHolder *) 
                    g_hash_table_lookup(IFACE_MAP(state), iface);
            if (old_holder && old_holder->is_forward_dcl &&
                node_type != IDLN_FORWARD_DCL)
            {
                g_hash_table_remove(IFACE_MAP(state), iface);
                DeleteNewInterfaceHolder(old_holder);
                old_holder = NULL;
            }
            if (!old_holder) {
                /* XXX should we parse here and store a struct nsID *? */
                char *iid = (char *)IDL_tree_property_get(tfd->tree, "uuid");
                char *name_space = (char *)
                            IDL_tree_property_get(tfd->tree, "namespace");
                NewInterfaceHolder *holder =
                        CreateNewInterfaceHolder(iface, name_space, iid,
                                     (gboolean) node_type == IDLN_FORWARD_DCL);
                if (!holder)
                    return FALSE;
                g_hash_table_insert(IFACE_MAP(state),
                                    holder->full_name, holder);
                IFACES(state)++;
#ifdef DEBUG_shaver_ifaces
                fprintf(stderr, "adding interface #%d: %s/%s\n", IFACES(state),
                        iface, iid[0] ? iid : "<unresolved>");
#endif
            }
        } else {
#ifdef DEBUG_shaver_ifaces
            fprintf(stderr, "ident %s isn't an interface (%s)\n",
                    IDL_IDENT(tfd->tree).str, IDL_NODE_TYPE_NAME(up));
#endif
        }
    }

    return TRUE;
}

static CORBA_StructMemberSeq *
MateCORBA_imodule_get_struct_members (GHashTable        *typecodes,
				  IDL_tree           tree,
				  CORBA_Environment *ev)
{
	CORBA_StructMemberSeq *members;
	IDL_tree               l;
	int                    num_members = 0;
	int                    i;

	g_return_val_if_fail (IDL_NODE_TYPE (tree) == IDLN_TYPE_STRUCT ||
			      IDL_NODE_TYPE (tree) == IDLN_EXCEPT_DCL, NULL);

	for (l = IDL_TYPE_STRUCT (tree).member_list; l; l = IDL_LIST (l).next)
		num_members += IDL_list_length (IDL_MEMBER (IDL_LIST (l).data).dcls);

	members = CORBA_StructMemberSeq__alloc ();

	members->_length  = members->_maximum = num_members;
	members->_buffer  = CORBA_StructMemberSeq_allocbuf (members->_length);
	members->_release = CORBA_TRUE;

	for (i = 0, l = IDL_TYPE_STRUCT (tree).member_list; l; l = IDL_LIST (l).next) {
		CORBA_TypeCode subtc;
		IDL_tree       dcl;

		subtc = MateCORBA_imodule_get_typecode (
				typecodes, IDL_MEMBER (IDL_LIST (l).data).type_spec);

		for (dcl = IDL_MEMBER (IDL_LIST (l).data).dcls; dcl;
		     dcl = IDL_LIST (dcl).next, i++) {
			CORBA_StructMember *member = &members->_buffer [i];
			CORBA_string        name;

			if (IDL_NODE_TYPE (dcl) == IDLN_IDENT)
				name = IDL_IDENT (dcl).str;
			else /* IDLN_TYPE_ARRAY */
				name = IDL_IDENT (IDL_TYPE_ARRAY (dcl).ident).str;

			member->name     = CORBA_string_dup (name);
			member->type     = (CORBA_TypeCode)
						CORBA_Object_duplicate ((CORBA_Object) subtc, ev);
			member->type_def = CORBA_OBJECT_NIL; /* Not used? */
		}

		CORBA_Object_release ((CORBA_Object) subtc, ev);
	}

	g_assert (i == num_members);

	return members;
}

static gboolean
do_typedef(TreeState *state)
{
    IDL_tree type = IDL_TYPE_DCL(state->tree).type_spec;
    IDL_tree dcls = IDL_TYPE_DCL(state->tree).dcls;
    IDL_tree complex;
    GSList *doc_comments;

    if (IDL_NODE_TYPE(type) == IDLN_TYPE_SEQUENCE) {
        XPIDL_WARNING((state->tree, IDL_WARNING1,
                       "sequences not supported, ignored"));
    } else {
        if (IDL_NODE_TYPE(complex = IDL_LIST(dcls).data) == IDLN_TYPE_ARRAY) {
            IDL_tree dim = IDL_TYPE_ARRAY(complex).size_list;
            doc_comments = IDL_IDENT(IDL_TYPE_ARRAY(complex).ident).comments;

            if (doc_comments != NULL)
                printlist(state->file, doc_comments);

            fputs("typedef ", state->file);
            if (!write_type(type, FALSE, state->file))
                return FALSE;
            fputs(" ", state->file);

            fprintf(state->file, "%s",
                    IDL_IDENT(IDL_TYPE_ARRAY(complex).ident).str);
            do {
                fputc('[', state->file);
                if (IDL_LIST(dim).data) {
                    fprintf(state->file, "%ld",
                            (long)IDL_INTEGER(IDL_LIST(dim).data).value);
                }
                fputc(']', state->file);
            } while ((dim = IDL_LIST(dim).next) != NULL);
        } else {
            doc_comments = IDL_IDENT(IDL_LIST(dcls).data).comments;

            if (doc_comments != NULL)
                printlist(state->file, doc_comments);

            fputs("typedef ", state->file);
            if (!write_type(type, FALSE, state->file))
                return FALSE;
            fputs(" ", state->file);
            fputs(IDL_IDENT(IDL_LIST(dcls).data).str, state->file);
        }
        fputs(";\n\n", state->file);
    }
    return TRUE;
}

void
orte_idl_attr_fake_ops(IDL_tree attr, IDL_ns ns)
{
  IDL_tree attr_name, ident, curnode, op1, op2, intf;
  GString *attrname;
  OIDL_Attr_Info *setme;

  g_assert(attr && IDL_NODE_TYPE(attr) == IDLN_ATTR_DCL);

  attrname = g_string_new(NULL);

  for(curnode = IDL_ATTR_DCL(attr).simple_declarations; curnode; curnode = IDL_LIST(curnode).next) {
    op1 = op2 = NULL;

    attr_name = IDL_LIST(curnode).data;

    g_string_printf(attrname, "_get_%s",
		     IDL_IDENT(attr_name).str);
    ident = IDL_ident_new(g_strdup(attrname->str));
    IDL_IDENT_TO_NS(ident) = IDL_IDENT_TO_NS(attr_name);
    op1 = IDL_op_dcl_new(0, IDL_ATTR_DCL(attr).param_type_spec, ident, NULL, NULL, NULL);
    IDL_NODE_UP(op1) = IDL_NODE_UP(attr);
    intf = IDL_NODE_UP (IDL_NODE_UP (op1));
    IDL_NS(ns).current = IDL_IDENT_TO_NS (IDL_INTERFACE (intf).ident);
    IDL_ns_place_new(ns, ident);

    if(!IDL_ATTR_DCL(attr).f_readonly) {
      g_string_printf(attrname, "_set_%s",
		       IDL_IDENT(attr_name).str);
      ident = IDL_ident_new(g_strdup(attrname->str));
      IDL_IDENT_TO_NS(ident) = IDL_IDENT_TO_NS(attr_name);
      op2 = IDL_op_dcl_new(0, NULL, ident, NULL, NULL, NULL);
      IDL_NODE_UP(op2) = IDL_NODE_UP(attr);
      intf = IDL_NODE_UP (IDL_NODE_UP (op2));
      IDL_NS(ns).current = IDL_IDENT_TO_NS (IDL_INTERFACE (intf).ident);
      IDL_ns_place_new(ns, ident);
      IDL_OP_DCL(op2).parameter_dcls = IDL_list_new(
						    IDL_param_dcl_new(IDL_PARAM_IN,
								      IDL_ATTR_DCL(attr).param_type_spec,
								      IDL_ident_new(g_strdup("value"))));
    }

    setme = g_new0(OIDL_Attr_Info, 1);
    setme->op1 = op1;
    setme->op2 = op2;
    attr_name->data = setme;
  }

  g_string_free(attrname, TRUE);
}

static void
VoyagerOutputOverridenMethodTemplate(IDL_tree curif, InheritedOutputInfo2 *ioi)
{
  char *id, *realid;
  IDL_tree curitem;
  char* overridenMethodName;

  if(curif == ioi->realif)
    return;

  overridenMethodName=ioi->chrOverridenMethodName;


  realid = IDL_ns_ident_to_qstring(IDL_IDENT_TO_NS(IDL_INTERFACE(ioi->realif).ident), "_", 0);

  id = IDL_ns_ident_to_qstring(IDL_IDENT_TO_NS(IDL_INTERFACE(curif).ident), "_", 0);


  for(curitem = IDL_INTERFACE(curif).body; curitem; curitem = IDL_LIST(curitem).next) {
    IDL_tree curop = IDL_LIST(curitem).data;

    switch(IDL_NODE_TYPE(curop)) {
    case IDLN_OP_DCL:
      {
        /* Check if the current method (introduced by some parent) is the one to be
           overriden. */
        if(!strcmp(overridenMethodName, IDL_IDENT(IDL_OP_DCL(curop).ident).str)){
          fprintf(ioi->of, "/* Call parent */\n");

          fprintf(ioi->of, "/*         %s_%s_parent_resolved()*/\n",
                  realid, IDL_IDENT(IDL_OP_DCL(curop).ident).str);

#if 0
          fprintf(ioi->of, "#define %s_%s() \\\n        %s_%s()\n",
                  realid, IDL_IDENT(IDL_OP_DCL(curop).ident).str,
                  id, IDL_IDENT(IDL_OP_DCL(curop).ident).str);
#endif
        }
        break;
      }
	default:
	  break;
    }
  }

  g_free(id);
  g_free(realid);

}

static gboolean
typelib_const_dcl(TreeState *state)
{
    struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(state->tree);
    const char *name = IDL_IDENT(dcl->ident).str;
    gboolean is_long;
    gboolean sign;
    IDL_tree real_type;
    XPTInterfaceDescriptor *id;
    XPTConstDescriptor *cd;
    IDL_longlong_t value;

    if (!verify_const_declaration(state->tree))
        return FALSE;

    /* Could be a typedef; try to map it to the real type. */
    real_type = find_underlying_type(dcl->const_type);
    real_type = real_type ? real_type : dcl->const_type;
    is_long = (IDL_TYPE_INTEGER(real_type).f_type == IDL_INTEGER_TYPE_LONG);

    id = CURRENT(state);
    if (!XPT_InterfaceDescriptorAddConsts(ARENA(state), id, 1))
        return FALSE;
    cd = &id->const_descriptors[NEXT_CONST(state)];
    
    cd->name = IDL_IDENT(dcl->ident).str;
#ifdef DEBUG_shaver_const
    fprintf(stderr, "DBG: adding const %s\n", cd->name);
#endif
    if (!fill_td_from_type(state, &cd->type, dcl->const_type))
        return FALSE;
    
    value = IDL_INTEGER(dcl->const_exp).value;
    sign = IDL_TYPE_INTEGER(dcl->const_type).f_signed;
    if (is_long) {
        if (sign)
            cd->value.i32 = value;
        else
            cd->value.ui32 = value;
    } else {
        if (sign)
            cd->value.i16 = value;
        else
            cd->value.ui16 = value;
    }
    NEXT_CONST(state)++;
    return TRUE;
}

static gboolean coder_get_type_info(IDL_tree tree, int attr, TypeInfo* type)
{
	const char* name = "";
	type->attr = attr;
	if(attr == IDL_PARAM_INOUT)
	{
		assert(!"Not supported.");
	}

	memset(type, 0x00, sizeof(TypeInfo));
	if(IDL_NODE_IS_TYPE(tree))
	{
		switch(IDL_NODE_TYPE(tree))
		{
			case IDLN_TYPE_INTEGER:
			{
				name = "int";
				break;
			}
			case IDLN_TYPE_STRING:
			{
				name = "String";
				break;
			}
			default:
			{
				assert(!"Not supported");
				break;
			}

		}
	}
	else if(IDL_NODE_TYPE(tree) == IDLN_IDENT)
	{
		name = IDL_IDENT(tree).str;
	}
	
	strcat(type->org_name, name);
	if(strcmp(name, "int") == 0)
	{
		strcat(type->name, "int");
	}
	else if(strcmp(name, "String") == 0)
	{
		strcat(type->name, attr == IDL_PARAM_OUT ? "" : "const ");
		strcat(type->name, "char*");
	}
	else if(strcmp(name, "FBusBinary") == 0)
	{
		type->is_binary = TRUE;
	}
	else
	{
		strcat(type->name, attr == IDL_PARAM_OUT ? "" : "const ");
		strcat(type->name, name);
		strcat(type->name, attr == IDL_PARAM_IN ? "*" : "");
	}

	return TRUE;
}

static void
MateCORBA_imodule_setup_label_any (CORBA_TypeCode  tc,
			       IDL_tree        node,
			       CORBA_any      *label)
{
	if (!node) { /* default case */
		label->_type = TC_CORBA_octet;
		label->_value = MateCORBA_small_alloc (TC_CORBA_octet);
		*(CORBA_octet *) label->_value = -1;
		return;
	}

	label->_type = (CORBA_TypeCode)
				CORBA_Object_duplicate (
					(CORBA_Object) tc, NULL);
	label->_value = MateCORBA_small_alloc (tc);

	switch (IDL_NODE_TYPE (node)) {
	case IDLN_BOOLEAN:
	case IDLN_CHAR:
	case IDLN_INTEGER:
		MateCORBA_imodule_jam_int (node, tc, label->_value);
		break;

	case IDLN_FLOAT:
		g_assert (tc->kind == CORBA_tk_float);
		*(CORBA_float *) label->_value = IDL_FLOAT (node).value;
		break;
	case IDLN_BINOP:  /* drop through */
	case IDLN_UNARYOP: {
		IDL_tree val;

		if (IDL_NODE_TYPE (node) == IDLN_BINOP)
			val = _IDL_binop_eval (IDL_BINOP (node).op,
					       IDL_BINOP (node).left,
					       IDL_BINOP (node).right);
		else
			val = _IDL_unaryop_eval (IDL_BINOP (node).op,
					       IDL_UNARYOP (node).operand);

		MateCORBA_imodule_jam_int (val, tc, label->_value);
		IDL_tree_free (val);
		break;
	}
	case IDLN_IDENT: {
		CORBA_long val;

		g_assert (label->_type->kind == CORBA_tk_enum);
		for (val = 0; val < label->_type->sub_parts; val++)
			if (!strcmp (IDL_IDENT (node).str, label->_type->subnames [val]))
				break;
		g_assert (val < label->_type->sub_parts);
		*(CORBA_long *) label->_value = val;
		break;
	}
	default:
		g_assert_not_reached ();
		break;
	}
}

static gboolean
find_arg_with_name(TreeState *state, const char *name, int16 *argnum)
{
    int16 count;
    IDL_tree params;

    XPT_ASSERT(state);
    XPT_ASSERT(name);
    XPT_ASSERT(argnum);

    params = IDL_OP_DCL(IDL_NODE_UP(IDL_NODE_UP(state->tree))).parameter_dcls;
    for (count = 0;
         params != NULL && IDL_LIST(params).data != NULL;
         params = IDL_LIST(params).next, count++)
    {
        const char *cur_name = IDL_IDENT(
                IDL_PARAM_DCL(IDL_LIST(params).data).simple_declarator).str;
        if (!strcmp(cur_name, name)) {
            /* XXX ought to verify that this is the right type here */
            /* XXX for iid_is this must be an iid */
            /* XXX for size_is and length_is this must be a uint32 */
            *argnum = count;
            return TRUE;
        }
    }
    return FALSE;
}

void
orbit_cbe_flatten_args (IDL_tree tree, FILE *of, const char *name)
{
	int i = 0;
	IDL_tree l;

	for (l = IDL_OP_DCL(tree).parameter_dcls; l;
	     l = IDL_LIST(l).next)
		i++;

	fprintf (of, "gpointer %s[%d];\n", name, i);
	
	i = 0;
	for (l = IDL_OP_DCL(tree).parameter_dcls; l;
	     l = IDL_LIST(l).next) {
		IDL_tree decl = IDL_LIST (l).data;
		IDL_tree tspec = orbit_cbe_get_typespec (decl);
		IDL_ParamRole r = 0;

		switch(IDL_PARAM_DCL(decl).attr) {
		case IDL_PARAM_IN:    r = DATA_IN;    break;
		case IDL_PARAM_INOUT: r = DATA_INOUT; break;
		case IDL_PARAM_OUT:   r = DATA_OUT;   break;
		default:
			g_error("Unknown IDL_PARAM type");
		}
		
		fprintf (of, "%s[%d] = %s%s;\n",
			 name, i,
			 orbit_cbe_flatten_ref (r, tspec),
			 IDL_IDENT (IDL_PARAM_DCL (decl).simple_declarator).str);
		i++;
	}
}