C++ determine_type函数代码示例

ACE_INET_Addr::ACE_INET_Addr (const wchar_t address[], int address_family)
  : ACE_Addr (determine_type (), sizeof (inet_addr_))
{
  ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
  this->reset ();
  this->set (address, address_family);
}

ACE_INET_Addr::ACE_INET_Addr (u_short port_number,
                              ACE_UINT32 inet_address)
  : ACE_Addr (determine_type (), sizeof (inet_addr_))
{
  ACE_TRACE ("ACE_INET_Addr::ACE_INET_Addr");
  if (this->set (port_number, inet_address) == -1)
    ACELIB_ERROR ((LM_ERROR,
                ACE_TEXT ("%p\n"),
                ACE_TEXT ("ACE_INET_Addr::ACE_INET_Addr")));
}

/* ret 0 or -err */
int
ReaddirOp::do_op(const char *path, unsigned char /* isfile */, IOStore *store)
{
    int ret;
    IOSDirHandle *dir;
    struct dirent entstore, *ent;
    dir = store->Opendir(path,ret);
    if (dir == NULL) {
        return ret;
    }
    while ((ret = dir->Readdir_r(&entstore, &ent)) == 0 && ent != NULL) {
        if (skip_dots && (!strcmp(ent->d_name,".")||
                          !strcmp(ent->d_name,".."))) {
            continue;   // skip the dots
        }
        if (filters.size()) {
            bool match = false;
            set<string>::iterator itr;
            for(itr=filters.begin(); itr!=filters.end(); itr++) {
                mlog(FOP_DCOMMON, "%s checking first %lu of filter %s on %s",
                     __FUNCTION__, (unsigned long)itr->length(),
                     itr->c_str(), ent->d_name);
                // don't know why itr->compare isn't working.  driving me nuts.
                //if(itr->compare(0,itr->length()-1,ent->d_name)==0) {
                if(strncmp(itr->c_str(),ent->d_name,itr->length()-1)==0) {
                    match = true;
                    break;
                }
            }
            if(!match) {
                continue;    // else, it passed the filters so descend
            }
        }
        string file;
        if (expand) {
            file = path;
            file += "/";
            file += ent->d_name;
        } else {
            file = ent->d_name;
        }
        mlog(FOP_DCOMMON, "%s inserting %s", __FUNCTION__, file.c_str());
        if (entries) (*entries)[file] = (ent->d_type != DT_UNKNOWN) ?
                         ent->d_type :
                         determine_type(store, path, ent->d_name);
        if (names) {
            names->insert(file);
        }
    }
    store->Closedir(dir);
    return ret;
}

/* Function to load in all the nodes read from the file supplied (probably named "nodes.txt"). */
int nodes_file_load(event_ptr event, char* file_name) {
    FILE *nodes_file; /* File pointer. */
    int load_status;
    char type_input[3];
    int number;
    node *new_node;
    event->node_head = NULL;

    if ((nodes_file = fopen(file_name, "r")) == NULL) { /* Open file with read permissions only and check file opened. */
        printf("Please enter in a valid file path and name.\n");
        return FAILURE;
    }

    while ((load_status = fscanf(nodes_file, " %d %2s", &number, type_input)) != EOF && load_status == 2) {
        if (event->number_of_nodes == 0) {
            new_node = malloc(sizeof (struct node)); /* Allocates memory for a new node. */
        } else {
            new_node->next_node = malloc(sizeof (struct node)); /* Allocates memory for the next node. */
            new_node = new_node->next_node;
        }

        /* Initialises new node: */
        new_node->number = number;
        new_node->type = determine_type(type_input);
        new_node->next_node = NULL;
        /*-----------------------------------------------------------------------*/

        /* Adds new node to linked list: */
        if (event->node_head == NULL) {
            event->node_head = new_node;
            printf("Head Node: Number: %d, Type: %d = %2s\n", new_node->number,
                    new_node->type, type_input);
        } else {
            printf("Node: Number: %d, Type: %d = %2s\n", new_node->number,
                    new_node->type, type_input);
        }
        /*-----------------------------------------------------------------------*/

        event->number_of_nodes++;
    }

    if (load_status == EOF) {
        printf("\nNodes file loaded in successfully.\n");
        fclose(nodes_file); /* Closes file as no longer needed. */
        return SUCCESS;
    } else if (load_status != 2) { /* Expected 2 inputs. */
        printf("Error loading in file, possible pattern mismatch.\n");
        fclose(nodes_file); /* Closes file as no longer needed. */
        return FAILURE;
    }
}

expr_val * compile_assignment(binary_op_node * ass, scope * scope, str_list * lines) {
	expr_val * name = compile_statement(ass->left, scope, lines);
	expr_val * val = compile_statement(ass->right, scope, lines);


	if (!determine_type(ass->op, name->type, val->type)) return NULL;

	char * name_value = name->val;
	char * right_value = val->val;

	int len = strlen(name_value) + strlen(right_value) + 5;
	char * output = (char *) malloc(len);

	snprintf(output, len, "%s = %s;", name_value, right_value);
	insert_array(lines, output);
	return new_expr_val(name_value, val->type);
}

expr_val * compile_addition(binary_op_node * node, scope * scope, str_list * lines) {
	int op = node->op;

	expr_val * left = compile_statement(node->left, scope, lines);
	expr_val * right = compile_statement(node->right, scope, lines);

	// Determine if types are compatible
	expr_type type;
	if(!(type = determine_type(op, left->type, right->type))) return NULL;

	expr_val * var = get_new_var(type, scope, lines);

	// Extracting values
	char * var_val = var->val;
	char * left_val = left->val;
	char * right_val = right->val;

	int len = strlen(var_val) + strlen(left_val) + strlen(right_val) + 8;
	char * output = (char *) malloc(len);

	snprintf(output, len, "%s = %s + %s;", var_val, left_val, right_val);
	insert_array(lines, output);
	return new_expr_val(var_val, INT_TYPE);
}

/* Parse one line of text */
void parse (char string[]) {
  struct node *list_ptr /*, *node_ptr */;
  static int vartype = NOP, state = NOP;
  char *ptr = string, *title_ptr, *temp;

  if (((string[0] == ' ') && (strlen(string) > 6)) ||
      ((string[0] == '\t') && (strlen(string) > 2))) {
    /* The current line is not a comment */
    if (string[0] == '\t') ptr++;
    else ptr += 5;
    if ((isspace (*ptr)) || ((state != COMMON_CONTINUE) && (state != REGISTER_CONTINUE))) {
      ptr = skip_blanks (ptr);
      vartype = determine_type (ptr);
      state = vartype;
      if (strncmp_i("double precision", ptr, 16) == 0)
	ptr = skip_blanks (skip_nonblanks (ptr));
    }
    if ((vartype != NOP) && (vartype != PARAMETER) && (vartype != EQUIV)) {
      /* The current line is a list of variables */
      if (state == COMMON_CONTINUE) {
	/* The current line is the continuation of a common block */
	list_ptr = common_start;
	ptr++;
      }
      else if (state == COMMON) {
	/* The current line is a common block */
	list_ptr = common_start;
	ptr = find_char (find_char (ptr, '/'), '/');
	state = COMMON_CONTINUE;
      }
      else if (state == REGISTER_CONTINUE) {
	/* The current line is the continuation of a register statement */
	list_ptr = register_start;
	ptr++;
      }
      else {
	/* The current line contains variables to be registered */
	list_ptr = register_start;
	ptr = skip_nonblanks (ptr);
	state = REGISTER_CONTINUE;
      }
      ptr = skip_blanks (ptr);

      /* Obtain the title string */
      title_ptr = string;
      if (find_char (ptr, ',') > find_char (ptr, '!')) {
	while (*title_ptr != '!') title_ptr++;
	title_ptr = skip_blanks (title_ptr+1);
	if (*title_ptr == '\0') title_ptr = NULL;
      }
      else title_ptr = NULL;
      /* Convert ' to '' in title string */
      if (title_ptr != NULL) {
	temp = title_ptr;
	while (*temp != '\0') {
	  if (*temp == '\'') shift_left (temp++);
	  temp++;
	}
      }

      /* Add each variable to the linked list */
      while ((ptr < find_char (string, '!')) && (*ptr != '!')) {
	if ((find_char (ptr, '(') < find_char (ptr, ',')) &&
	    (find_char (ptr, '(') < find_char (ptr, '!'))) {
	  /* The variable is an array */
	  create (list_ptr, vartype, ptr, title_ptr);
	  if (vartype >= 0) array_flags[current_calltype][vartype] = 1;
	  ptr = skip_blanks (find_char (find_char (ptr, ')'), ','));
	}
	else {
	  /* The variable is not an array */
	  create (list_ptr, vartype, ptr, title_ptr);
	  if (vartype >=0) variable_flags[current_calltype][vartype] = 1;
	  ptr = skip_blanks (find_char (ptr, ','));
	}
      }
    }
    if (vartype == PARAMETER)
      /* If the line is a parameter statement, then ignore the variable */
      mark_node (register_start, skip_blanks(find_char (ptr, '(')), IGNORE);
    if (vartype == EQUIV) {
      /* If the line is an equivalence statement, then skip the variables */
      ptr = skip_blanks (find_char (ptr, '('));
      mark_node (register_start, ptr, SKIP);
      if (find_char(ptr,'(') < find_char(ptr,',')) ptr = find_char(ptr,')');
      ptr = skip_blanks (find_char (ptr, ','));
      mark_node (register_start, ptr, SKIP);
    }
  }
}

// Initialization
void DispValue::init(DispValue *parent, int depth, string& value,
		     DispValueType given_type)
{
#if LOG_CREATE_VALUES
    std::clog << "Building value from " << quote(value) << "\n";
#endif

    // Be sure the value is not changed in memory
    value.consuming(true);

    const char *initial_value = value.chars();

    static const DispValueArray empty(0);
    _children = empty;

    if (background(value.length()))
    {
	clear();

	mytype = Simple;
	_value = "(Aborted)";
	value  = "Aborted\n";
	return;
    }

    mytype = given_type;
    if (mytype == UnknownType && 
	(parent == 0 || parent->type() == List) && print_name.empty())
	mytype = Text;
    if (mytype == UnknownType && parent == 0 && is_user_command(print_name))
	mytype = List;
    if (mytype == UnknownType)
	mytype = determine_type(value);

    bool ignore_repeats = (parent != 0 && parent->type() == Array);

    char perl_type = '\0';

    switch (mytype)
    {

    case Simple:
    {
	_value = read_simple_value(value, depth, ignore_repeats);
#if LOG_CREATE_VALUES
	std::clog << mytype << ": " << quote(_value) << "\n";
#endif
	perl_type = '$';
	break;
    }

    case Text:
    {
	// Read in a line of text
	if (value.contains('\n'))
	    _value = value.through('\n');
	else
	    _value = value;
	value = value.after('\n');
#if LOG_CREATE_VALUES
	std::clog << mytype << ": " << quote(_value) << "\n";
#endif
	perl_type = '$';
	break;
    }

    case Pointer:
    {
	_value = read_pointer_value(value, ignore_repeats);
	_dereferenced = false;

#if LOG_CREATE_VALUES
	std::clog << mytype << ": " << quote(_value) << "\n";
#endif
	// Hide vtable pointers.
	if (_value.contains("virtual table") || _value.contains("vtable"))
	    myexpanded = false;
	perl_type = '$';

	// In Perl, pointers may be followed by indented `pointed to'
	// info.  Skip this.
	if (gdb->type() == PERL)
	{
	    while (value.contains("\n  ", 0))
	    {
		value = value.after("\n  ");
		value = value.from("\n");
	    }
	}		
	break;
    }

    case Array:
    {
	string base = normalize_base(myfull_name);

	_orientation = app_data.array_orientation;

#if LOG_CREATE_VALUES
//.........这里部分代码省略.........