Handle multiple target events before commit resume

[deliverable/binutils-gdb.git] / gdb / p-lang.c

diff --git a/gdb/p-lang.c b/gdb/p-lang.c
index 27ea4ce6e14ac32a5b4de5179a2bb9424ef92b7e..c17d1f3c40a5f1e8e532f7978e77945bd59107b3 100644 (file)
--- a/gdb/p-lang.c
+++ b/gdb/p-lang.c
@@ -1,6 +1,6 @@
 /* Pascal language support routines for GDB, the GNU debugger.
 
-   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,7 +20,6 @@
 /* This file is derived from c-lang.c */
 
 #include "defs.h"
-#include <string.h>
 #include "symtab.h"
 #include "gdbtypes.h"
 #include "expression.h"
@@ -31,9 +30,9 @@
 #include "valprint.h"
 #include "value.h"
 #include <ctype.h>
-
-extern void _initialize_pascal_language (void);
-
+#include "c-lang.h"
+#include "gdbarch.h"
+#include "cli/cli-style.h"
 
 /* All GPC versions until now (2007-09-27) also define a symbol called
    '_p_initialize'.  Check for the presence of this symbol first.  */
@@ -59,23 +58,23 @@ static const char GPC_MAIN_PROGRAM_NAME_2[] = "pascal_main_program";
 const char *
 pascal_main_name (void)
 {
-  struct minimal_symbol *msym;
+  struct bound_minimal_symbol msym;
 
   msym = lookup_minimal_symbol (GPC_P_INITIALIZE, NULL, NULL);
 
   /*  If '_p_initialize' was not found, the main program is likely not
      written in Pascal.  */
-  if (msym == NULL)
+  if (msym.minsym == NULL)
     return NULL;
 
   msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_1, NULL, NULL);
-  if (msym != NULL)
+  if (msym.minsym != NULL)
     {
       return GPC_MAIN_PROGRAM_NAME_1;
     }
 
   msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_2, NULL, NULL);
-  if (msym != NULL)
+  if (msym.minsym != NULL)
     {
       return GPC_MAIN_PROGRAM_NAME_2;
     }
@@ -153,6 +152,16 @@ is_pascal_string_type (struct type *type,int *length_pos,
   return 0;
 }
 
+/* This is a wrapper around IS_PASCAL_STRING_TYPE that returns true if TYPE
+   is a string.  */
+
+static bool
+pascal_is_string_type_p (struct type *type)
+{
+  return is_pascal_string_type (type, nullptr, nullptr, nullptr,
+                               nullptr, nullptr) > 0;
+}
+
 static void pascal_one_char (int, struct ui_file *, int *);
 
 /* Print the character C on STREAM as part of the contents of a literal
@@ -221,7 +230,7 @@ pascal_printstr (struct ui_file *stream, struct type *type,
                 const char *encoding, int force_ellipses,
                 const struct value_print_options *options)
 {
-  enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
+  enum bfd_endian byte_order = type_byte_order (type);
   unsigned int i;
   unsigned int things_printed = 0;
   int in_quotes = 0;
@@ -284,7 +293,9 @@ pascal_printstr (struct ui_file *stream, struct type *type,
              in_quotes = 0;
            }
          pascal_printchar (current_char, type, stream);
-         fprintf_filtered (stream, " <repeats %u times>", reps);
+         fprintf_filtered (stream, " %p[<repeats %u times>%p]",
+                           metadata_style.style ().ptr (),
+                           reps, nullptr);
          i = rep1 - 1;
          things_printed += options->repeat_count_threshold;
          need_comma = 1;
@@ -340,7 +351,7 @@ const struct op_print pascal_op_print_tab[] =
   {"^", UNOP_IND, PREC_SUFFIX, 1},
   {"@", UNOP_ADDR, PREC_PREFIX, 0},
   {"sizeof", UNOP_SIZEOF, PREC_PREFIX, 0},
-  {NULL, 0, 0, 0}
+  {NULL, OP_NULL, PREC_PREFIX, 0}
 };
 \f
 enum pascal_primitive_types {
@@ -413,7 +424,12 @@ pascal_language_arch_info (struct gdbarch *gdbarch,
   lai->bool_type_default = builtin->builtin_bool;
 }
 
-const struct language_defn pascal_language_defn =
+static const char *p_extensions[] =
+{
+  ".pas", ".p", ".pp", NULL
+};
+
+extern const struct language_defn pascal_language_defn =
 {
   "pascal",                    /* Language name */
   "Pascal",
@@ -422,9 +438,9 @@ const struct language_defn pascal_language_defn =
   case_sensitive_on,
   array_row_major,
   macro_expansion_no,
+  p_extensions,
   &exp_descriptor_standard,
   pascal_parse,
-  pascal_error,
   null_post_parser,
   pascal_printchar,            /* Print a character constant */
   pascal_printstr,             /* Function to print string constant */
@@ -436,27 +452,27 @@ const struct language_defn pascal_language_defn =
   default_read_var_value,      /* la_read_var_value */
   NULL,                                /* Language specific skip_trampoline */
   "this",                      /* name_of_this */
+  false,                       /* la_store_sym_names_in_linkage_form_p */
   basic_lookup_symbol_nonlocal,        /* lookup_symbol_nonlocal */
   basic_lookup_transparent_type,/* lookup_transparent_type */
   NULL,                                /* Language specific symbol demangler */
+  NULL,
   NULL,                                /* Language specific class_name_from_physname */
   pascal_op_print_tab,         /* expression operators for printing */
   1,                           /* c-style arrays */
   0,                           /* String lower bound */
   default_word_break_characters,
-  default_make_symbol_completion_list,
+  default_collect_symbol_completion_matches,
   pascal_language_arch_info,
   default_print_array_index,
   default_pass_by_reference,
-  default_get_string,
-  NULL,                                /* la_get_symbol_name_cmp */
+  c_watch_location_expression,
+  NULL,                                /* la_compare_symbol_for_completion */
   iterate_over_symbols,
+  default_search_name_hash,
   &default_varobj_ops,
-  LANG_MAGIC
+  NULL,
+  NULL,
+  pascal_is_string_type_p,
+  "{...}"                      /* la_struct_too_deep_ellipsis */
 };
-
-void
-_initialize_pascal_language (void)
-{
-  add_language (&pascal_language_defn);
-}