gdb/c-typeprint.c - gdb

Functions defined

Source code

  1. /* Support for printing C and C++ types for GDB, the GNU debugger.
  2.    Copyright (C) 1986-2015 Free Software Foundation, Inc.

  4.    This file is part of GDB.

  6.    This program is free software; you can redistribute it and/or modify
  7.    it under the terms of the GNU General Public License as published by
  8.    the Free Software Foundation; either version 3 of the License, or
  9.    (at your option) any later version.

  11.    This program is distributed in the hope that it will be useful,
  12.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.    GNU General Public License for more details.

  16.    You should have received a copy of the GNU General Public License
  17.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  19. #include "defs.h"
  20. #include "gdb_obstack.h"
  21. #include "bfd.h"                /* Binary File Description.  */
  22. #include "symtab.h"
  23. #include "gdbtypes.h"
  24. #include "expression.h"
  25. #include "value.h"
  26. #include "gdbcore.h"
  27. #include "target.h"
  28. #include "language.h"
  29. #include "demangle.h"
  30. #include "c-lang.h"
  31. #include "typeprint.h"
  32. #include "cp-abi.h"
  33. #include "jv-lang.h"
  34. #include "cp-support.h"

  36. static void c_type_print_varspec_prefix (struct type *,
  37.                                          struct ui_file *,
  38.                                          int, int, int,
  39.                                          const struct type_print_options *);

  41. /* Print "const", "volatile", or address space modifiers.  */
  42. static void c_type_print_modifier (struct type *,
  43.                                    struct ui_file *,
  44.                                    int, int);


  47. /* A callback function for cp_canonicalize_string_full that uses
  48.    find_typedef_in_hash.  */

  50. static const char *
  51. ‌find_typedef_for_canonicalize (struct type *t, void *data)
  52. {
  53.   return find_typedef_in_hash (data, t);
  54. }

  56. /* Print NAME on STREAM.  If the 'raw' field of FLAGS is not set,
  57.    canonicalize NAME using the local typedefs first.  */

  59. static void
  60. ‌print_name_maybe_canonical (const char *name,
  61.                             const struct type_print_options *flags,
  62.                             struct ui_file *stream)
  63. {
  64.   char *s = NULL;

  66.   if (!flags->raw)
  67.     s = cp_canonicalize_string_full (name,
  68.                                      find_typedef_for_canonicalize,
  69.                                      (void *) flags);

  71.   fputs_filtered (s ? s : name, stream);
  72.   xfree (s);
  73. }



  77. /* LEVEL is the depth to indent lines by.  */

  79. void
  80. ‌c_print_type (struct type *type,
  81.               const char *varstring,
  82.               struct ui_file *stream,
  83.               int show, int level,
  84.               const struct type_print_options *flags)
  85. {
  86.   enum type_code code;
  87.   int demangled_args;
  88.   int need_post_space;
  89.   const char *local_name;

  91.   if (show > 0)
  92.     CHECK_TYPEDEF (type);

  94.   local_name = find_typedef_in_hash (flags, type);
  95.   if (local_name != NULL)
  96.     {
  97.       fputs_filtered (local_name, stream);
  98.       if (varstring != NULL && *varstring != '\0')
  99.         fputs_filtered (" ", stream);
  100.     }
  101.   else
  102.     {
  103.       c_type_print_base (type, stream, show, level, flags);
  104.       code = TYPE_CODE (type);
  105.       if ((varstring != NULL && *varstring != '\0')
  106.           /* Need a space if going to print stars or brackets;
  107.              but not if we will print just a type name.  */
  108.           || ((show > 0 || TYPE_NAME (type) == 0)
  109.               && (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
  110.                   || code == TYPE_CODE_METHOD
  111.                   || (code == TYPE_CODE_ARRAY
  112.                       && !TYPE_VECTOR (type))
  113.                   || code == TYPE_CODE_MEMBERPTR
  114.                   || code == TYPE_CODE_METHODPTR
  115.                   || code == TYPE_CODE_REF)))
  116.         fputs_filtered (" ", stream);
  117.       need_post_space = (varstring != NULL && strcmp (varstring, "") != 0);
  118.       c_type_print_varspec_prefix (type, stream, show, 0, need_post_space,
  119.                                    flags);
  120.     }

  122.   if (varstring != NULL)
  123.     {
  124.       fputs_filtered (varstring, stream);

  126.       /* For demangled function names, we have the arglist as part of
  127.          the name, so don't print an additional pair of ()'s.  */
  128.       if (local_name == NULL)
  129.         {
  130.           demangled_args = strchr (varstring, '(') != NULL;
  131.           c_type_print_varspec_suffix (type, stream, show,
  132.                                        0, demangled_args,
  133.                                        flags);
  134.         }
  135.     }
  136. }

  138. /* Print a typedef using C syntax.  TYPE is the underlying type.
  139.    NEW_SYMBOL is the symbol naming the type.  STREAM is the stream on
  140.    which to print.  */

  142. void
  143. ‌c_print_typedef (struct type *type,
  144.                  struct symbol *new_symbol,
  145.                  struct ui_file *stream)
  146. {
  147.   CHECK_TYPEDEF (type);
  148.   fprintf_filtered (stream, "typedef ");
  149.   type_print (type, "", stream, 0);
  150.   if (TYPE_NAME ((SYMBOL_TYPE (new_symbol))) == 0
  151.       || strcmp (TYPE_NAME ((SYMBOL_TYPE (new_symbol))),
  152.                  SYMBOL_LINKAGE_NAME (new_symbol)) != 0
  153.       || TYPE_CODE (SYMBOL_TYPE (new_symbol)) == TYPE_CODE_TYPEDEF)
  154.     fprintf_filtered (stream, " %s", SYMBOL_PRINT_NAME (new_symbol));
  155.   fprintf_filtered (stream, ";\n");
  156. }

  158. /* If TYPE is a derived type, then print out derivation information.
  159.    Print only the actual base classes of this type, not the base
  160.    classes of the base classes.  I.e. for the derivation hierarchy:

  162.    class A { int a; };
  163.    class B : public A {int b; };
  164.    class C : public B {int c; };

  166.    Print the type of class C as:

  168.    class C : public B {
  169.    int c;
  170.    }

  172.    Not as the following (like gdb used to), which is not legal C++
  173.    syntax for derived types and may be confused with the multiple
  174.    inheritance form:

  176.    class C : public B : public A {
  177.    int c;
  178.    }

  180.    In general, gdb should try to print the types as closely as
  181.    possible to the form that they appear in the source code.  */

  183. static void
  184. ‌cp_type_print_derivation_info (struct ui_file *stream,
  185.                                struct type *type,
  186.                                const struct type_print_options *flags)
  187. {
  188.   const char *name;
  189.   int i;

  191.   for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
  192.     {
  193.       wrap_here ("        ");
  194.       fputs_filtered (i == 0 ? ": " : ", ", stream);
  195.       fprintf_filtered (stream, "%s%s ",
  196.                         BASETYPE_VIA_PUBLIC (type, i)
  197.                         ? "public" : (TYPE_FIELD_PROTECTED (type, i)
  198.                                       ? "protected" : "private"),
  199.                         BASETYPE_VIA_VIRTUAL (type, i) ? " virtual" : "");
  200.       name = type_name_no_tag (TYPE_BASECLASS (type, i));
  201.       if (name)
  202.         print_name_maybe_canonical (name, flags, stream);
  203.       else
  204.         fprintf_filtered (stream, "(null)");
  205.     }
  206.   if (i > 0)
  207.     {
  208.       fputs_filtered (" ", stream);
  209.     }
  210. }

  212. /* Print the C++ method arguments ARGS to the file STREAM.  */

  214. static void
  215. ‌cp_type_print_method_args (struct type *mtype, const char *prefix,
  216.                            const char *varstring, int staticp,
  217.                            struct ui_file *stream,
  218.                            const struct type_print_options *flags)
  219. {
  220.   struct field *args = TYPE_FIELDS (mtype);
  221.   int nargs = TYPE_NFIELDS (mtype);
  222.   int varargs = TYPE_VARARGS (mtype);
  223.   int i;

  225.   fprintf_symbol_filtered (stream, prefix,
  226.                            language_cplus, DMGL_ANSI);
  227.   fprintf_symbol_filtered (stream, varstring,
  228.                            language_cplus, DMGL_ANSI);
  229.   fputs_filtered ("(", stream);

  231.   /* Skip the class variable.  */
  232.   i = staticp ? 0 : 1;
  233.   if (nargs > i)
  234.     {
  235.       while (i < nargs)
  236.         {
  237.           c_print_type (args[i++].type, "", stream, 0, 0, flags);

  239.           if (i == nargs && varargs)
  240.             fprintf_filtered (stream, ", ...");
  241.           else if (i < nargs)
  242.             {
  243.               fprintf_filtered (stream, ", ");
  244.               wrap_here ("        ");
  245.             }
  246.         }
  247.     }
  248.   else if (varargs)
  249.     fprintf_filtered (stream, "...");
  250.   else if (current_language->la_language == language_cplus)
  251.     fprintf_filtered (stream, "void");

  253.   fprintf_filtered (stream, ")");

  255.   /* For non-static methods, read qualifiers from the type of
  256.      THIS.  */
  257.   if (!staticp)
  258.     {
  259.       struct type *domain;

  261.       gdb_assert (nargs > 0);
  262.       gdb_assert (TYPE_CODE (args[0].type) == TYPE_CODE_PTR);
  263.       domain = TYPE_TARGET_TYPE (args[0].type);

  265.       if (TYPE_CONST (domain))
  266.         fprintf_filtered (stream, " const");

  268.       if (TYPE_VOLATILE (domain))
  269.         fprintf_filtered (stream, " volatile");

  271.       if (TYPE_RESTRICT (domain))
  272.         fprintf_filtered (stream, " restrict");
  273.     }
  274. }


  277. /* Print any asterisks or open-parentheses needed before the
  278.    variable name (to describe its type).

  280.    On outermost call, pass 0 for PASSED_A_PTR.
  281.    On outermost call, SHOW > 0 means should ignore
  282.    any typename for TYPE and show its details.
  283.    SHOW is always zero on recursive calls.

  285.    NEED_POST_SPACE is non-zero when a space will be be needed
  286.    between a trailing qualifier and a field, variable, or function
  287.    name.  */

  289. static void
  290. ‌c_type_print_varspec_prefix (struct type *type,
  291.                              struct ui_file *stream,
  292.                              int show, int passed_a_ptr,
  293.                              int need_post_space,
  294.                              const struct type_print_options *flags)
  295. {
  296.   const char *name;

  298.   if (type == 0)
  299.     return;

  301.   if (TYPE_NAME (type) && show <= 0)
  302.     return;

  304.   QUIT;

  306.   switch (TYPE_CODE (type))
  307.     {
  308.     case TYPE_CODE_PTR:
  309.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  310.                                    stream, show, 1, 1, flags);
  311.       fprintf_filtered (stream, "*");
  312.       c_type_print_modifier (type, stream, 1, need_post_space);
  313.       break;

  315.     case TYPE_CODE_MEMBERPTR:
  316.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  317.                                    stream, show, 0, 0, flags);
  318.       name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
  319.       if (name)
  320.         print_name_maybe_canonical (name, flags, stream);
  321.       else
  322.         c_type_print_base (TYPE_DOMAIN_TYPE (type),
  323.                            stream, -1, passed_a_ptr, flags);
  324.       fprintf_filtered (stream, "::*");
  325.       break;

  327.     case TYPE_CODE_METHODPTR:
  328.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  329.                                    stream, show, 0, 0, flags);
  330.       fprintf_filtered (stream, "(");
  331.       name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
  332.       if (name)
  333.         print_name_maybe_canonical (name, flags, stream);
  334.       else
  335.         c_type_print_base (TYPE_DOMAIN_TYPE (type),
  336.                            stream, -1, passed_a_ptr, flags);
  337.       fprintf_filtered (stream, "::*");
  338.       break;

  340.     case TYPE_CODE_REF:
  341.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  342.                                    stream, show, 1, 0, flags);
  343.       fprintf_filtered (stream, "&");
  344.       c_type_print_modifier (type, stream, 1, need_post_space);
  345.       break;

  347.     case TYPE_CODE_METHOD:
  348.     case TYPE_CODE_FUNC:
  349.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  350.                                    stream, show, 0, 0, flags);
  351.       if (passed_a_ptr)
  352.         fprintf_filtered (stream, "(");
  353.       break;

  355.     case TYPE_CODE_ARRAY:
  356.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  357.                                    stream, show, 0, 0, flags);
  358.       if (passed_a_ptr)
  359.         fprintf_filtered (stream, "(");
  360.       break;

  362.     case TYPE_CODE_TYPEDEF:
  363.       c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
  364.                                    stream, show, passed_a_ptr, 0, flags);
  365.       break;

  367.     case TYPE_CODE_UNDEF:
  368.     case TYPE_CODE_STRUCT:
  369.     case TYPE_CODE_UNION:
  370.     case TYPE_CODE_ENUM:
  371.     case TYPE_CODE_INT:
  372.     case TYPE_CODE_FLT:
  373.     case TYPE_CODE_VOID:
  374.     case TYPE_CODE_ERROR:
  375.     case TYPE_CODE_CHAR:
  376.     case TYPE_CODE_BOOL:
  377.     case TYPE_CODE_SET:
  378.     case TYPE_CODE_RANGE:
  379.     case TYPE_CODE_STRING:
  380.     case TYPE_CODE_COMPLEX:
  381.     case TYPE_CODE_NAMESPACE:
  382.     case TYPE_CODE_DECFLOAT:
  383.       /* These types need no prefix.  They are listed here so that
  384.          gcc -Wall will reveal any types that haven't been handled.  */
  385.       break;
  386.     default:
  387.       error (_("type not handled in c_type_print_varspec_prefix()"));
  388.       break;
  389.     }
  390. }

  392. /* Print out "const" and "volatile" attributes,
  393.    and address space id if present.
  394.    TYPE is a pointer to the type being printed out.
  395.    STREAM is the output destination.
  396.    NEED_PRE_SPACE = 1 indicates an initial white space is needed.
  397.    NEED_POST_SPACE = 1 indicates a final white space is needed.  */

  399. static void
  400. ‌c_type_print_modifier (struct type *type, struct ui_file *stream,
  401.                        int need_pre_space, int need_post_space)
  402. {
  403.   int did_print_modifier = 0;
  404.   const char *address_space_id;

  406.   /* We don't print `const' qualifiers for references --- since all
  407.      operators affect the thing referenced, not the reference itself,
  408.      every reference is `const'.  */
  409.   if (TYPE_CONST (type)
  410.       && TYPE_CODE (type) != TYPE_CODE_REF)
  411.     {
  412.       if (need_pre_space)
  413.         fprintf_filtered (stream, " ");
  414.       fprintf_filtered (stream, "const");
  415.       did_print_modifier = 1;
  416.     }

  418.   if (TYPE_VOLATILE (type))
  419.     {
  420.       if (did_print_modifier || need_pre_space)
  421.         fprintf_filtered (stream, " ");
  422.       fprintf_filtered (stream, "volatile");
  423.       did_print_modifier = 1;
  424.     }

  426.   if (TYPE_RESTRICT (type))
  427.     {
  428.       if (did_print_modifier || need_pre_space)
  429.         fprintf_filtered (stream, " ");
  430.       fprintf_filtered (stream, "restrict");
  431.       did_print_modifier = 1;
  432.     }

  434.   address_space_id = address_space_int_to_name (get_type_arch (type),
  435.                                                 TYPE_INSTANCE_FLAGS (type));
  436.   if (address_space_id)
  437.     {
  438.       if (did_print_modifier || need_pre_space)
  439.         fprintf_filtered (stream, " ");
  440.       fprintf_filtered (stream, "@%s", address_space_id);
  441.       did_print_modifier = 1;
  442.     }

  444.   if (did_print_modifier && need_post_space)
  445.     fprintf_filtered (stream, " ");
  446. }


  449. /* Print out the arguments of TYPE, which should have TYPE_CODE_METHOD
  450.    or TYPE_CODE_FUNC, to STREAM.  Artificial arguments, such as "this"
  451.    in non-static methods, are displayed if LINKAGE_NAME is zero.  If
  452.    LINKAGE_NAME is non-zero and LANGUAGE is language_cplus the topmost
  453.    parameter types get removed their possible const and volatile qualifiers to
  454.    match demangled linkage name parameters part of such function type.
  455.    LANGUAGE is the language in which TYPE was defined.  This is a necessary
  456.    evil since this code is used by the C, C++, and Java backends.  */

  458. void
  459. ‌c_type_print_args (struct type *type, struct ui_file *stream,
  460.                    int linkage_name, enum language language,
  461.                    const struct type_print_options *flags)
  462. {
  463.   int i;
  464.   int printed_any = 0;

  466.   fprintf_filtered (stream, "(");

  468.   for (i = 0; i < TYPE_NFIELDS (type); i++)
  469.     {
  470.       struct type *param_type;

  472.       if (TYPE_FIELD_ARTIFICIAL (type, i) && linkage_name)
  473.         continue;

  475.       if (printed_any)
  476.         {
  477.           fprintf_filtered (stream, ", ");
  478.           wrap_here ("    ");
  479.         }

  481.       param_type = TYPE_FIELD_TYPE (type, i);

  483.       if (language == language_cplus && linkage_name)
  484.         {
  485.           /* C++ standard, 13.1 Overloadable declarations, point 3, item:
  486.              - Parameter declarations that differ only in the presence or
  487.                absence of const and/or volatile are equivalent.

  489.              And the const/volatile qualifiers are not present in the mangled
  490.              names as produced by GCC.  */

  492.           param_type = make_cv_type (0, 0, param_type, NULL);
  493.         }

  495.       if (language == language_java)
  496.         java_print_type (param_type, "", stream, -1, 0, flags);
  497.       else
  498.         c_print_type (param_type, "", stream, -1, 0, flags);
  499.       printed_any = 1;
  500.     }

  502.   if (printed_any && TYPE_VARARGS (type))
  503.     {
  504.       /* Print out a trailing ellipsis for varargs functions.  Ignore
  505.          TYPE_VARARGS if the function has no named arguments; that
  506.          represents unprototyped (K&R style) C functions.  */
  507.       if (printed_any && TYPE_VARARGS (type))
  508.         {
  509.           fprintf_filtered (stream, ", ");
  510.           wrap_here ("    ");
  511.           fprintf_filtered (stream, "...");
  512.         }
  513.     }
  514.   else if (!printed_any
  515.            && ((TYPE_PROTOTYPED (type) && language != language_java)
  516.                || language == language_cplus))
  517.     fprintf_filtered (stream, "void");

  519.   fprintf_filtered (stream, ")");
  520. }

  522. /* Return true iff the j'th overloading of the i'th method of TYPE
  523.    is a type conversion operator, like `operator int () { ... }'.
  524.    When listing a class's methods, we don't print the return type of
  525.    such operators.  */

  527. static int
  528. ‌is_type_conversion_operator (struct type *type, int i, int j)
  529. {
  530.   /* I think the whole idea of recognizing type conversion operators
  531.      by their name is pretty terrible.  But I don't think our present
  532.      data structure gives us any other way to tell.  If you know of
  533.      some other way, feel free to rewrite this function.  */
  534.   const char *name = TYPE_FN_FIELDLIST_NAME (type, i);

  536.   if (strncmp (name, "operator", 8) != 0)
  537.     return 0;

  539.   name += 8;
  540.   if (! strchr (" \t\f\n\r", *name))
  541.     return 0;

  543.   while (strchr (" \t\f\n\r", *name))
  544.     name++;

  546.   if (!('a' <= *name && *name <= 'z')
  547.       && !('A' <= *name && *name <= 'Z')
  548.       && *name != '_')
  549.     /* If this doesn't look like the start of an identifier, then it
  550.        isn't a type conversion operator.  */
  551.     return 0;
  552.   else if (strncmp (name, "new", 3) == 0)
  553.     name += 3;
  554.   else if (strncmp (name, "delete", 6) == 0)
  555.     name += 6;
  556.   else
  557.     /* If it doesn't look like new or delete, it's a type conversion
  558.        operator.  */
  559.     return 1;

  561.   /* Is that really the end of the name?  */
  562.   if (('a' <= *name && *name <= 'z')
  563.       || ('A' <= *name && *name <= 'Z')
  564.       || ('0' <= *name && *name <= '9')
  565.       || *name == '_')
  566.     /* No, so the identifier following "operator" must be a type name,
  567.        and this is a type conversion operator.  */
  568.     return 1;

  570.   /* That was indeed the end of the name, so it was `operator new' or
  571.      `operator delete', neither of which are type conversion
  572.      operators.  */
  573.   return 0;
  574. }

  576. /* Given a C++ qualified identifier QID, strip off the qualifiers,
  577.    yielding the unqualified name.  The return value is a pointer into
  578.    the original string.

  580.    It's a pity we don't have this information in some more structured
  581.    form.  Even the author of this function feels that writing little
  582.    parsers like this everywhere is stupid.  */

  584. static char *
  585. ‌remove_qualifiers (char *qid)
  586. {
  587.   int quoted = 0;        /* Zero if we're not in quotes;
  588.                            '"' if we're in a double-quoted string;
  589.                            '\'' if we're in a single-quoted string.  */
  590.   int depth = 0;        /* Number of unclosed parens we've seen.  */
  591.   char *parenstack = (char *) alloca (strlen (qid));
  592.   char *scan;
  593.   char *last = 0;        /* The character after the rightmost
  594.                            `::' token we've seen so far.  */

  596.   for (scan = qid; *scan; scan++)
  597.     {
  598.       if (quoted)
  599.         {
  600.           if (*scan == quoted)
  601.             quoted = 0;
  602.           else if (*scan == '\\' && *(scan + 1))
  603.             scan++;
  604.         }
  605.       else if (scan[0] == ':' && scan[1] == ':')
  606.         {
  607.           /* If we're inside parenthesis (i.e., an argument list) or
  608.              angle brackets (i.e., a list of template arguments), then
  609.              we don't record the position of this :: token, since it's
  610.              not relevant to the top-level structure we're trying to
  611.              operate on.  */
  612.           if (depth == 0)
  613.             {
  614.               last = scan + 2;
  615.               scan++;
  616.             }
  617.         }
  618.       else if (*scan == '"' || *scan == '\'')
  619.         quoted = *scan;
  620.       else if (*scan == '(')
  621.         parenstack[depth++] = ')';
  622.       else if (*scan == '[')
  623.         parenstack[depth++] = ']';
  624.       /* We're going to treat <> as a pair of matching characters,
  625.          since we're more likely to see those in template id's than
  626.          real less-than characters.  What a crock.  */
  627.       else if (*scan == '<')
  628.         parenstack[depth++] = '>';
  629.       else if (*scan == ')' || *scan == ']' || *scan == '>')
  630.         {
  631.           if (depth > 0 && parenstack[depth - 1] == *scan)
  632.             depth--;
  633.           else
  634.             {
  635.               /* We're going to do a little error recovery here.  If
  636.                  we don't find a match for *scan on the paren stack,
  637.                  but there is something lower on the stack that does
  638.                  match, we pop the stack to that point.  */
  639.               int i;

  641.               for (i = depth - 1; i >= 0; i--)
  642.                 if (parenstack[i] == *scan)
  643.                   {
  644.                     depth = i;
  645.                     break;
  646.                   }
  647.             }
  648.         }
  649.     }

  651.   if (last)
  652.     return last;
  653.   else
  654.     /* We didn't find any :: tokens at the top level, so declare the
  655.        whole thing an unqualified identifier.  */
  656.     return qid;
  657. }

  659. /* Print any array sizes, function arguments or close parentheses
  660.    needed after the variable name (to describe its type).
  661.    Args work like c_type_print_varspec_prefix.  */

  663. void
  664. ‌c_type_print_varspec_suffix (struct type *type,
  665.                              struct ui_file *stream,
  666.                              int show, int passed_a_ptr,
  667.                              int demangled_args,
  668.                              const struct type_print_options *flags)
  669. {
  670.   if (type == 0)
  671.     return;

  673.   if (TYPE_NAME (type) && show <= 0)
  674.     return;

  676.   QUIT;

  678.   switch (TYPE_CODE (type))
  679.     {
  680.     case TYPE_CODE_ARRAY:
  681.       {
  682.         LONGEST low_bound, high_bound;
  683.         int is_vector = TYPE_VECTOR (type);

  685.         if (passed_a_ptr)
  686.           fprintf_filtered (stream, ")");

  688.         fprintf_filtered (stream, (is_vector ?
  689.                                    " __attribute__ ((vector_size(" : "["));
  690.         /* Bounds are not yet resolved, print a bounds placeholder instead.  */
  691.         if (TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCEXPR
  692.             || TYPE_HIGH_BOUND_KIND (TYPE_INDEX_TYPE (type)) == PROP_LOCLIST)
  693.           fprintf_filtered (stream, "variable length");
  694.         else if (get_array_bounds (type, &low_bound, &high_bound))
  695.           fprintf_filtered (stream, "%s",
  696.                             plongest (high_bound - low_bound + 1));
  697.         fprintf_filtered (stream, (is_vector ? ")))" : "]"));

  699.         c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  700.                                      show, 0, 0, flags);
  701.       }
  702.       break;

  704.     case TYPE_CODE_MEMBERPTR:
  705.       c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  706.                                    show, 0, 0, flags);
  707.       break;

  709.     case TYPE_CODE_METHODPTR:
  710.       fprintf_filtered (stream, ")");
  711.       c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  712.                                    show, 0, 0, flags);
  713.       break;

  715.     case TYPE_CODE_PTR:
  716.     case TYPE_CODE_REF:
  717.       c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  718.                                    show, 1, 0, flags);
  719.       break;

  721.     case TYPE_CODE_METHOD:
  722.     case TYPE_CODE_FUNC:
  723.       if (passed_a_ptr)
  724.         fprintf_filtered (stream, ")");
  725.       if (!demangled_args)
  726.         c_type_print_args (type, stream, 0, current_language->la_language,
  727.                            flags);
  728.       c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  729.                                    show, passed_a_ptr, 0, flags);
  730.       break;

  732.     case TYPE_CODE_TYPEDEF:
  733.       c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
  734.                                    show, passed_a_ptr, 0, flags);
  735.       break;

  737.     case TYPE_CODE_UNDEF:
  738.     case TYPE_CODE_STRUCT:
  739.     case TYPE_CODE_UNION:
  740.     case TYPE_CODE_ENUM:
  741.     case TYPE_CODE_INT:
  742.     case TYPE_CODE_FLT:
  743.     case TYPE_CODE_VOID:
  744.     case TYPE_CODE_ERROR:
  745.     case TYPE_CODE_CHAR:
  746.     case TYPE_CODE_BOOL:
  747.     case TYPE_CODE_SET:
  748.     case TYPE_CODE_RANGE:
  749.     case TYPE_CODE_STRING:
  750.     case TYPE_CODE_COMPLEX:
  751.     case TYPE_CODE_NAMESPACE:
  752.     case TYPE_CODE_DECFLOAT:
  753.       /* These types do not need a suffix.  They are listed so that
  754.          gcc -Wall will report types that may not have been
  755.          considered.  */
  756.       break;
  757.     default:
  758.       error (_("type not handled in c_type_print_varspec_suffix()"));
  759.       break;
  760.     }
  761. }

  763. /* A helper for c_type_print_base that displays template
  764.    parameters and their bindings, if needed.

  766.    TABLE is the local bindings table to use.  If NULL, no printing is
  767.    done.  Note that, at this point, TABLE won't have any useful
  768.    information in it -- but it is also used as a flag to
  769.    print_name_maybe_canonical to activate searching the global typedef
  770.    table.

  772.    TYPE is the type whose template arguments are being displayed.

  774.    STREAM is the stream on which to print.  */

  776. static void
  777. ‌c_type_print_template_args (const struct type_print_options *flags,
  778.                             struct type *type, struct ui_file *stream)
  779. {
  780.   int first = 1, i;

  782.   if (flags->raw)
  783.     return;

  785.   for (i = 0; i < TYPE_N_TEMPLATE_ARGUMENTS (type); ++i)
  786.     {
  787.       struct symbol *sym = TYPE_TEMPLATE_ARGUMENT (type, i);

  789.       if (SYMBOL_CLASS (sym) != LOC_TYPEDEF)
  790.         continue;

  792.       if (first)
  793.         {
  794.           wrap_here ("    ");
  795.           fprintf_filtered (stream, _("[with %s = "),
  796.                             SYMBOL_LINKAGE_NAME (sym));
  797.           first = 0;
  798.         }
  799.       else
  800.         {
  801.           fputs_filtered (", ", stream);
  802.           wrap_here ("         ");
  803.           fprintf_filtered (stream, "%s = ", SYMBOL_LINKAGE_NAME (sym));
  804.         }

  806.       c_print_type (SYMBOL_TYPE (sym), "", stream, -1, 0, flags);
  807.     }

  809.   if (!first)
  810.     fputs_filtered (_("] "), stream);
  811. }

  813. /* Print the name of the type (or the ultimate pointer target,
  814.    function value or array element), or the description of a structure
  815.    or union.

  817.    SHOW positive means print details about the type (e.g. enum
  818.    values), and print structure elements passing SHOW - 1 for show.

  820.    SHOW negative means just print the type name or struct tag if there
  821.    is one.  If there is no name, print something sensible but concise
  822.    like "struct {...}".

  824.    SHOW zero means just print the type name or struct tag if there is
  825.    one.  If there is no name, print something sensible but not as
  826.    concise like "struct {int x; int y;}".

  828.    LEVEL is the number of spaces to indent by.
  829.    We increase it for some recursive calls.  */

  831. void
  832. ‌c_type_print_base (struct type *type, struct ui_file *stream,
  833.                    int show, int level, const struct type_print_options *flags)
  834. {
  835.   int i;
  836.   int len, real_len;
  837.   enum
  838.     {
  839.       s_none, s_public, s_private, s_protected
  840.     }
  841.   section_type;
  842.   int need_access_label = 0;
  843.   int j, len2;

  845.   QUIT;

  847.   if (type == NULL)
  848.     {
  849.       fputs_filtered (_("<type unknown>"), stream);
  850.       return;
  851.     }

  853.   /* When SHOW is zero or less, and there is a valid type name, then
  854.      always just print the type name directly from the type.  */
  855.   /* If we have "typedef struct foo {. . .} bar;" do we want to print
  856.      it as "struct foo" or as "bar"?  Pick the latter, because C++
  857.      folk tend to expect things like "class5 *foo" rather than "struct
  858.      class5 *foo".  */

  860.   if (show <= 0
  861.       && TYPE_NAME (type) != NULL)
  862.     {
  863.       c_type_print_modifier (type, stream, 0, 1);
  864.       print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
  865.       return;
  866.     }

  868.   CHECK_TYPEDEF (type);

  870.   switch (TYPE_CODE (type))
  871.     {
  872.     case TYPE_CODE_TYPEDEF:
  873.       /* If we get here, the typedef doesn't have a name, and we
  874.          couldn't resolve TYPE_TARGET_TYPE.  Not much we can do.  */
  875.       gdb_assert (TYPE_NAME (type) == NULL);
  876.       gdb_assert (TYPE_TARGET_TYPE (type) == NULL);
  877.       fprintf_filtered (stream, _("<unnamed typedef>"));
  878.       break;

  880.     case TYPE_CODE_ARRAY:
  881.     case TYPE_CODE_PTR:
  882.     case TYPE_CODE_MEMBERPTR:
  883.     case TYPE_CODE_REF:
  884.     case TYPE_CODE_FUNC:
  885.     case TYPE_CODE_METHOD:
  886.     case TYPE_CODE_METHODPTR:
  887.       c_type_print_base (TYPE_TARGET_TYPE (type),
  888.                          stream, show, level, flags);
  889.       break;

  891.     case TYPE_CODE_STRUCT:
  892.     case TYPE_CODE_UNION:
  893.       {
  894.         struct type_print_options local_flags = *flags;
  895.         struct type_print_options semi_local_flags = *flags;
  896.         struct cleanup *local_cleanups = make_cleanup (null_cleanup, NULL);

  898.         local_flags.local_typedefs = NULL;
  899.         semi_local_flags.local_typedefs = NULL;

  901.         if (!flags->raw)
  902.           {
  903.             if (flags->local_typedefs)
  904.               local_flags.local_typedefs
  905.                 = copy_typedef_hash (flags->local_typedefs);
  906.             else
  907.               local_flags.local_typedefs = create_typedef_hash ();

  909.             make_cleanup_free_typedef_hash (local_flags.local_typedefs);
  910.           }

  912.         c_type_print_modifier (type, stream, 0, 1);
  913.         if (TYPE_CODE (type) == TYPE_CODE_UNION)
  914.           fprintf_filtered (stream, "union ");
  915.         else if (TYPE_DECLARED_CLASS (type))
  916.           fprintf_filtered (stream, "class ");
  917.         else
  918.           fprintf_filtered (stream, "struct ");

  920.         /* Print the tag if it exists.  The HP aCC compiler emits a
  921.            spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed
  922.            enum}" tag for unnamed struct/union/enum's, which we don't
  923.            want to print.  */
  924.         if (TYPE_TAG_NAME (type) != NULL
  925.             && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
  926.           {
  927.             /* When printing the tag name, we are still effectively
  928.                printing in the outer context, hence the use of FLAGS
  929.                here.  */
  930.             print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream);
  931.             if (show > 0)
  932.               fputs_filtered (" ", stream);
  933.           }

  935.         if (show < 0)
  936.           {
  937.             /* If we just printed a tag name, no need to print anything
  938.                else.  */
  939.             if (TYPE_TAG_NAME (type) == NULL)
  940.               fprintf_filtered (stream, "{...}");
  941.           }
  942.         else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
  943.           {
  944.             struct type *basetype;
  945.             int vptr_fieldno;

  947.             c_type_print_template_args (&local_flags, type, stream);

  949.             /* Add in template parameters when printing derivation info.  */
  950.             add_template_parameters (local_flags.local_typedefs, type);
  951.             cp_type_print_derivation_info (stream, type, &local_flags);

  953.             /* This holds just the global typedefs and the template
  954.                parameters.  */
  955.             semi_local_flags.local_typedefs
  956.               = copy_typedef_hash (local_flags.local_typedefs);
  957.             if (semi_local_flags.local_typedefs)
  958.               make_cleanup_free_typedef_hash (semi_local_flags.local_typedefs);

  960.             /* Now add in the local typedefs.  */
  961.             recursively_update_typedef_hash (local_flags.local_typedefs, type);

  963.             fprintf_filtered (stream, "{\n");
  964.             if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0
  965.                 && TYPE_TYPEDEF_FIELD_COUNT (type) == 0)
  966.               {
  967.                 if (TYPE_STUB (type))
  968.                   fprintfi_filtered (level + 4, stream,
  969.                                      _("<incomplete type>\n"));
  970.                 else
  971.                   fprintfi_filtered (level + 4, stream,
  972.                                      _("<no data fields>\n"));
  973.               }

  975.             /* Start off with no specific section type, so we can print
  976.                one for the first field we find, and use that section type
  977.                thereafter until we find another type.  */

  979.             section_type = s_none;

  981.             /* For a class, if all members are private, there's no need
  982.                for a "private:" label; similarly, for a struct or union
  983.                masquerading as a class, if all members are public, there's
  984.                no need for a "public:" label.  */

  986.             if (TYPE_DECLARED_CLASS (type))
  987.               {
  988.                 QUIT;
  989.                 len = TYPE_NFIELDS (type);
  990.                 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
  991.                   if (!TYPE_FIELD_PRIVATE (type, i))
  992.                     {
  993.                       need_access_label = 1;
  994.                       break;
  995.                     }
  996.                 QUIT;
  997.                 if (!need_access_label)
  998.                   {
  999.                     len2 = TYPE_NFN_FIELDS (type);
  1000.                     for (j = 0; j < len2; j++)
  1001.                       {
  1002.                         len = TYPE_FN_FIELDLIST_LENGTH (type, j);
  1003.                         for (i = 0; i < len; i++)
  1004.                           if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
  1005.                                                                           j), i))
  1006.                             {
  1007.                               need_access_label = 1;
  1008.                               break;
  1009.                             }
  1010.                         if (need_access_label)
  1011.                           break;
  1012.                       }
  1013.                   }
  1014.               }
  1015.             else
  1016.               {
  1017.                 QUIT;
  1018.                 len = TYPE_NFIELDS (type);
  1019.                 for (i = TYPE_N_BASECLASSES (type); i < len; i++)
  1020.                   if (TYPE_FIELD_PRIVATE (type, i)
  1021.                       || TYPE_FIELD_PROTECTED (type, i))
  1022.                     {
  1023.                       need_access_label = 1;
  1024.                       break;
  1025.                     }
  1026.                 QUIT;
  1027.                 if (!need_access_label)
  1028.                   {
  1029.                     len2 = TYPE_NFN_FIELDS (type);
  1030.                     for (j = 0; j < len2; j++)
  1031.                       {
  1032.                         QUIT;
  1033.                         len = TYPE_FN_FIELDLIST_LENGTH (type, j);
  1034.                         for (i = 0; i < len; i++)
  1035.                           if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type,
  1036.                                                                            j), i)
  1037.                               || TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
  1038.                                                                             j),
  1039.                                                         i))
  1040.                             {
  1041.                               need_access_label = 1;
  1042.                               break;
  1043.                             }
  1044.                         if (need_access_label)
  1045.                           break;
  1046.                       }
  1047.                   }
  1048.               }

  1050.             /* If there is a base class for this type,
  1051.                do not print the field that it occupies.  */

  1053.             len = TYPE_NFIELDS (type);
  1054.             vptr_fieldno = get_vptr_fieldno (type, &basetype);
  1055.             for (i = TYPE_N_BASECLASSES (type); i < len; i++)
  1056.               {
  1057.                 QUIT;

  1059.                 /* If we have a virtual table pointer, omit it.  Even if
  1060.                    virtual table pointers are not specifically marked in
  1061.                    the debug info, they should be artificial.  */
  1062.                 if ((i == vptr_fieldno && type == basetype)
  1063.                     || TYPE_FIELD_ARTIFICIAL (type, i))
  1064.                   continue;

  1066.                 if (need_access_label)
  1067.                   {
  1068.                     if (TYPE_FIELD_PROTECTED (type, i))
  1069.                       {
  1070.                         if (section_type != s_protected)
  1071.                           {
  1072.                             section_type = s_protected;
  1073.                             fprintfi_filtered (level + 2, stream,
  1074.                                                "protected:\n");
  1075.                           }
  1076.                       }
  1077.                     else if (TYPE_FIELD_PRIVATE (type, i))
  1078.                       {
  1079.                         if (section_type != s_private)
  1080.                           {
  1081.                             section_type = s_private;
  1082.                             fprintfi_filtered (level + 2, stream,
  1083.                                                "private:\n");
  1084.                           }
  1085.                       }
  1086.                     else
  1087.                       {
  1088.                         if (section_type != s_public)
  1089.                           {
  1090.                             section_type = s_public;
  1091.                             fprintfi_filtered (level + 2, stream,
  1092.                                                "public:\n");
  1093.                           }
  1094.                       }
  1095.                   }

  1097.                 print_spaces_filtered (level + 4, stream);
  1098.                 if (field_is_static (&TYPE_FIELD (type, i)))
  1099.                   fprintf_filtered (stream, "static ");
  1100.                 c_print_type (TYPE_FIELD_TYPE (type, i),
  1101.                               TYPE_FIELD_NAME (type, i),
  1102.                               stream, show - 1, level + 4,
  1103.                               &local_flags);
  1104.                 if (!field_is_static (&TYPE_FIELD (type, i))
  1105.                     && TYPE_FIELD_PACKED (type, i))
  1106.                   {
  1107.                     /* It is a bitfield.  This code does not attempt
  1108.                        to look at the bitpos and reconstruct filler,
  1109.                        unnamed fields.  This would lead to misleading
  1110.                        results if the compiler does not put out fields
  1111.                        for such things (I don't know what it does).  */
  1112.                     fprintf_filtered (stream, " : %d",
  1113.                                       TYPE_FIELD_BITSIZE (type, i));
  1114.                   }
  1115.                 fprintf_filtered (stream, ";\n");
  1116.               }

  1118.           /* If there are both fields and methods, put a blank line
  1119.              between them.  Make sure to count only method that we
  1120.              will display; artificial methods will be hidden.  */
  1121.           len = TYPE_NFN_FIELDS (type);
  1122.           if (!flags->print_methods)
  1123.             len = 0;
  1124.           real_len = 0;
  1125.           for (i = 0; i < len; i++)
  1126.             {
  1127.               struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
  1128.               int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
  1129.               int j;

  1131.               for (j = 0; j < len2; j++)
  1132.                 if (!TYPE_FN_FIELD_ARTIFICIAL (f, j))
  1133.                   real_len++;
  1134.             }
  1135.           if (real_len > 0 && section_type != s_none)
  1136.             fprintf_filtered (stream, "\n");

  1138.           /* C++: print out the methods.  */
  1139.           for (i = 0; i < len; i++)
  1140.             {
  1141.               struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
  1142.               int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
  1143.               const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
  1144.               const char *name = type_name_no_tag (type);
  1145.               int is_constructor = name && strcmp (method_name,
  1146.                                                    name) == 0;

  1148.               for (j = 0; j < len2; j++)
  1149.                 {
  1150.                   const char *mangled_name;
  1151.                   char *demangled_name;
  1152.                   struct cleanup *inner_cleanup;
  1153.                   const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
  1154.                   int is_full_physname_constructor =
  1155.                     TYPE_FN_FIELD_CONSTRUCTOR (f, j)
  1156.                     || is_constructor_name (physname)
  1157.                     || is_destructor_name (physname)
  1158.                     || method_name[0] == '~';

  1160.                   /* Do not print out artificial methods.  */
  1161.                   if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
  1162.                     continue;

  1164.                   inner_cleanup = make_cleanup (null_cleanup, NULL);

  1166.                   QUIT;
  1167.                   if (TYPE_FN_FIELD_PROTECTED (f, j))
  1168.                     {
  1169.                       if (section_type != s_protected)
  1170.                         {
  1171.                           section_type = s_protected;
  1172.                           fprintfi_filtered (level + 2, stream,
  1173.                                              "protected:\n");
  1174.                         }
  1175.                     }
  1176.                   else if (TYPE_FN_FIELD_PRIVATE (f, j))
  1177.                     {
  1178.                       if (section_type != s_private)
  1179.                         {
  1180.                           section_type = s_private;
  1181.                           fprintfi_filtered (level + 2, stream,
  1182.                                              "private:\n");
  1183.                         }
  1184.                     }
  1185.                   else
  1186.                     {
  1187.                       if (section_type != s_public)
  1188.                         {
  1189.                           section_type = s_public;
  1190.                           fprintfi_filtered (level + 2, stream,
  1191.                                              "public:\n");
  1192.                         }
  1193.                     }

  1195.                   print_spaces_filtered (level + 4, stream);
  1196.                   if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
  1197.                     fprintf_filtered (stream, "virtual ");
  1198.                   else if (TYPE_FN_FIELD_STATIC_P (f, j))
  1199.                     fprintf_filtered (stream, "static ");
  1200.                   if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
  1201.                     {
  1202.                       /* Keep GDB from crashing here.  */
  1203.                       fprintf_filtered (stream,
  1204.                                         _("<undefined type> %s;\n"),
  1205.                                         TYPE_FN_FIELD_PHYSNAME (f, j));
  1206.                       break;
  1207.                     }
  1208.                   else if (!is_constructor        /* Constructors don't
  1209.                                                    have declared
  1210.                                                    types.  */
  1211.                            && !is_full_physname_constructor  /* " " */
  1212.                            && !is_type_conversion_operator (type, i, j))
  1213.                     {
  1214.                       c_print_type (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
  1215.                                     "", stream, -1, 0,
  1216.                                     &local_flags);
  1217.                       fputs_filtered (" ", stream);
  1218.                     }
  1219.                   if (TYPE_FN_FIELD_STUB (f, j))
  1220.                     {
  1221.                       char *tem;

  1223.                       /* Build something we can demangle.  */
  1224.                       tem = gdb_mangle_name (type, i, j);
  1225.                       make_cleanup (xfree, tem);
  1226.                       mangled_name = tem;
  1227.                     }
  1228.                   else
  1229.                     mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);

  1231.                   demangled_name =
  1232.                     gdb_demangle (mangled_name,
  1233.                                   DMGL_ANSI | DMGL_PARAMS);
  1234.                   if (demangled_name == NULL)
  1235.                     {
  1236.                       /* In some cases (for instance with the HP
  1237.                          demangling), if a function has more than 10
  1238.                          arguments, the demangling will fail.
  1239.                          Let's try to reconstruct the function
  1240.                          signature from the symbol information.  */
  1241.                       if (!TYPE_FN_FIELD_STUB (f, j))
  1242.                         {
  1243.                           int staticp = TYPE_FN_FIELD_STATIC_P (f, j);
  1244.                           struct type *mtype = TYPE_FN_FIELD_TYPE (f, j);

  1246.                           cp_type_print_method_args (mtype,
  1247.                                                      "",
  1248.                                                      method_name,
  1249.                                                      staticp,
  1250.                                                      stream, &local_flags);
  1251.                         }
  1252.                       else
  1253.                         fprintf_filtered (stream,
  1254.                                           _("<badly mangled name '%s'>"),
  1255.                                           mangled_name);
  1256.                     }
  1257.                   else
  1258.                     {
  1259.                       char *p;
  1260.                       char *demangled_no_class
  1261.                         = remove_qualifiers (demangled_name);

  1263.                       /* Get rid of the `static' appended by the
  1264.                          demangler.  */
  1265.                       p = strstr (demangled_no_class, " static");
  1266.                       if (p != NULL)
  1267.                         {
  1268.                           int length = p - demangled_no_class;
  1269.                           char *demangled_no_static;

  1271.                           demangled_no_static
  1272.                             = (char *) xmalloc (length + 1);
  1273.                           strncpy (demangled_no_static,
  1274.                                    demangled_no_class, length);
  1275.                           *(demangled_no_static + length) = '\0';
  1276.                           fputs_filtered (demangled_no_static, stream);
  1277.                           xfree (demangled_no_static);
  1278.                         }
  1279.                       else
  1280.                         fputs_filtered (demangled_no_class, stream);
  1281.                       xfree (demangled_name);
  1282.                     }

  1284.                   do_cleanups (inner_cleanup);

  1286.                   fprintf_filtered (stream, ";\n");
  1287.                 }
  1288.             }

  1290.           /* Print typedefs defined in this class.  */

  1292.           if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0 && flags->print_typedefs)
  1293.             {
  1294.               if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0)
  1295.                 fprintf_filtered (stream, "\n");

  1297.                 for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++)
  1298.                   {
  1299.                     struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i);

  1301.                     /* Dereference the typedef declaration itself.  */
  1302.                     gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF);
  1303.                     target = TYPE_TARGET_TYPE (target);

  1305.                     print_spaces_filtered (level + 4, stream);
  1306.                     fprintf_filtered (stream, "typedef ");

  1308.                     /* We want to print typedefs with substitutions
  1309.                        from the template parameters or globally-known
  1310.                        typedefs but not local typedefs.  */
  1311.                     c_print_type (target,
  1312.                                   TYPE_TYPEDEF_FIELD_NAME (type, i),
  1313.                                   stream, show - 1, level + 4,
  1314.                                   &semi_local_flags);
  1315.                     fprintf_filtered (stream, ";\n");
  1316.                   }
  1317.               }

  1319.             fprintfi_filtered (level, stream, "}");
  1320.           }

  1322.         do_cleanups (local_cleanups);
  1323.       }
  1324.       break;

  1326.     case TYPE_CODE_ENUM:
  1327.       c_type_print_modifier (type, stream, 0, 1);
  1328.       fprintf_filtered (stream, "enum ");
  1329.       if (TYPE_DECLARED_CLASS (type))
  1330.         fprintf_filtered (stream, "class ");
  1331.       /* Print the tag name if it exists.
  1332.          The aCC compiler emits a spurious
  1333.          "{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
  1334.          tag for unnamed struct/union/enum's, which we don't
  1335.          want to print.  */
  1336.       if (TYPE_TAG_NAME (type) != NULL
  1337.           && strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
  1338.         {
  1339.           print_name_maybe_canonical (TYPE_TAG_NAME (type), flags, stream);
  1340.           if (show > 0)
  1341.             fputs_filtered (" ", stream);
  1342.         }

  1344.       wrap_here ("    ");
  1345.       if (show < 0)
  1346.         {
  1347.           /* If we just printed a tag name, no need to print anything
  1348.              else.  */
  1349.           if (TYPE_TAG_NAME (type) == NULL)
  1350.             fprintf_filtered (stream, "{...}");
  1351.         }
  1352.       else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
  1353.         {
  1354.           LONGEST lastval = 0;

  1356.           /* We can't handle this case perfectly, as DWARF does not
  1357.              tell us whether or not the underlying type was specified
  1358.              in the source (and other debug formats don't provide this
  1359.              at all).  We choose to print the underlying type, if it
  1360.              has a name, when in C++ on the theory that it's better to
  1361.              print too much than too little; but conversely not to
  1362.              print something egregiously outside the current
  1363.              language's syntax.  */
  1364.           if (current_language->la_language == language_cplus
  1365.               && TYPE_TARGET_TYPE (type) != NULL)
  1366.             {
  1367.               struct type *underlying = check_typedef (TYPE_TARGET_TYPE (type));

  1369.               if (TYPE_NAME (underlying) != NULL)
  1370.                 fprintf_filtered (stream, ": %s ", TYPE_NAME (underlying));
  1371.             }

  1373.           fprintf_filtered (stream, "{");
  1374.           len = TYPE_NFIELDS (type);
  1375.           for (i = 0; i < len; i++)
  1376.             {
  1377.               QUIT;
  1378.               if (i)
  1379.                 fprintf_filtered (stream, ", ");
  1380.               wrap_here ("    ");
  1381.               fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
  1382.               if (lastval != TYPE_FIELD_ENUMVAL (type, i))
  1383.                 {
  1384.                   fprintf_filtered (stream, " = %s",
  1385.                                     plongest (TYPE_FIELD_ENUMVAL (type, i)));
  1386.                   lastval = TYPE_FIELD_ENUMVAL (type, i);
  1387.                 }
  1388.               lastval++;
  1389.             }
  1390.           fprintf_filtered (stream, "}");
  1391.         }
  1392.       break;

  1394.     case TYPE_CODE_VOID:
  1395.       fprintf_filtered (stream, "void");
  1396.       break;

  1398.     case TYPE_CODE_UNDEF:
  1399.       fprintf_filtered (stream, _("struct <unknown>"));
  1400.       break;

  1402.     case TYPE_CODE_ERROR:
  1403.       fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
  1404.       break;

  1406.     case TYPE_CODE_RANGE:
  1407.       /* This should not occur.  */
  1408.       fprintf_filtered (stream, _("<range type>"));
  1409.       break;

  1411.     case TYPE_CODE_NAMESPACE:
  1412.       fputs_filtered ("namespace ", stream);
  1413.       fputs_filtered (TYPE_TAG_NAME (type), stream);
  1414.       break;

  1416.     default:
  1417.       /* Handle types not explicitly handled by the other cases, such
  1418.          as fundamental types.  For these, just print whatever the
  1419.          type name is, as recorded in the type itself.  If there is no
  1420.          type name, then complain.  */
  1421.       if (TYPE_NAME (type) != NULL)
  1422.         {
  1423.           c_type_print_modifier (type, stream, 0, 1);
  1424.           print_name_maybe_canonical (TYPE_NAME (type), flags, stream);
  1425.         }
  1426.       else
  1427.         {
  1428.           /* At least for dump_symtab, it is important that this not
  1429.              be an error ().  */
  1430.           fprintf_filtered (stream, _("<invalid type code %d>"),
  1431.                             TYPE_CODE (type));
  1432.         }
  1433.       break;
  1434.     }
  1435. }