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79a45b7d67
* varobj.c (value_get_print_value): Include valprint.h. (value_get_print_value): Use get_formatted_print_options. * value.h (struct value_print_options): Declare. (value_print, val_print, common_val_print, val_print_string): Update. * value.c: Include valprint.h. (show_values): Use get_user_print_options. (show_convenience): Likewise. * valprint.h (prettyprint_arrays, prettyprint_structs): Don't declare. (struct value_print_options): New type. (vtblprint, unionprint, addressprint, objectprint, print_max, inspect_it, repeat_count_threshold, output_format, stop_print_at_null): Don't declare. (user_print_options, get_user_print_options, get_raw_print_options, get_formatted_print_options): Declare. (print_array_indexes_p): Don't declare. (maybe_print_array_index, val_print_array_elements): Update. * valprint.c (print_max): Remove. (user_print_options): New global. (get_user_print_options, get_raw_print_options, get_formatted_print_options): New functions. (print_array_indexes, repeat_count_threshold, stop_print_at_null, prettyprint_structs, prettyprint_arrays, unionprint, addressprint): Remove. (val_print): Remove format, deref_ref, pretty arguments; add options. Update. (common_val_print): Likewise. (print_array_indexes_p): Remove. (maybe_print_array_index): Remove format, pretty arguments; add options. Update. (val_print_array_elements): Remove format, deref_ref, pretty arguments; add options. Update. (val_print_string): Add options argument. Update. (_initialize_valprint): Use user_print_options. (output_format): Remove. (set_output_radix_1): Use user_print_options. * typeprint.c: Include valprint.h. (objectprint): Don't declare. (whatis_exp): Use get_user_print_options. * tui/tui-regs.c: Include valprint.h. (tui_register_format): Use get_formatted_print_options. * tracepoint.c: Include valprint.h. (addressprint): Don't declare. (trace_mention): Use get_user_print_options. (tracepoints_info): Likewise. * stack.c (print_frame_args): Use get_raw_print_options. (print_frame_info): Use get_user_print_options. (print_frame): Likewise. * sh64-tdep.c: Include valprint.h (sh64_do_register): Use get_formatted_print_options. * scm-valprint.c (scm_inferior_print): Remove format, deref_ref, pretty arguments; add options. (scm_scmlist_print): Likewise. Update. (scm_scmval_print): Likewise. (scm_val_print): Likewise. (scm_value_print): Remove format, pretty arguments; add options. Update. * scm-lang.h (scm_value_print, scm_val_print, scm_scmval_print): Update. * scm-lang.c (scm_printstr): Add options argument. * python/python-value.c: Include valprint.h. (valpy_str): Use get_user_print_options. * printcmd.c: Include valprint.h. (addressprint): Don't declare. (inspect_it): Remove. (print_formatted): Remove format option; add options. Update. (print_scalar_formatted): Likewise. (print_address_demangle): Use get_user_print_options. (do_examine): Use get_formatted_print_options. (print_command_1): Likewise. (output_command): Use get_formatted_print_options. (do_one_display): Likewise. (print_variable_value): Use get_user_print_options. * p-valprint.c (pascal_val_print): Remove format, deref_ref, pretty arguments; add options. Update. (pascal_value_print): Remove format, pretty arguments; add options. Update. (vtblprint, objectprint): Don't declare. (pascal_static_field_print): Remove. (pascal_object_print_value_fields): Remove format, pretty arguments; add options. Update. (pascal_object_print_static_field): Likewise. (_initialize_pascal_valprint): Use user_print_options. Update. * p-lang.h (pascal_val_print, pascal_value_print, pascal_printstr, pascal_object_print_value_fields): Update. (vtblprint, static_field_print): Don't declare. * p-lang.c (pascal_printstr): Add options argument. Update. * objc-lang.c (objc_printstr): Add options argument. Update. * mt-tdep.c: Include valprint.h. (mt_registers_info): Use get_raw_print_options. * mips-tdep.c: Include valprint.h. (mips_print_fp_register): Use get_formatted_print_options. (mips_print_register): Likewise. * mi/mi-main.c: Include valprint.h. (get_register): Use get_user_print_options. (mi_cmd_data_evaluate_expression): Likewise. (mi_cmd_data_read_memory): Use get_formatted_print_options. * mi/mi-cmd-stack.c: Include valprint.h. (list_args_or_locals): Use get_raw_print_options. * m2-valprint.c (print_function_pointer_address): Add addressprint argument. (m2_print_long_set): Remove format, pretty arguments. (m2_print_unbounded_array): Remove format, deref_ref, pretty arguments; add options. Update. (print_unpacked_pointer): Remove format argument; add options. Now static. Update. (print_variable_at_address): Remove format, deref_ref, pretty arguments; add options. Update. (m2_print_array_contents): Likewise. (m2_val_print): Likewise. * m2-lang.h (m2_val_print): Update. * m2-lang.c (m2_printstr): Add options argument. Update. * language.h (struct value_print_options): Declare. (struct language_defn) <la_printstr>: Add options argument. <la_val_print>: Remove format, deref_ref, pretty argument; add options. <la_value_print>: Remove format, pretty arguments; add options. <la_print_array_index>: Likewise. (LA_VAL_PRINT, LA_VALUE_PRINT, LA_PRINT_STRING, LA_PRINT_ARRAY_INDEX): Update. (default_print_array_index): Update. * language.c (default_print_array_index): Remove format, pretty arguments; add options. Update. (unk_lang_printstr): Add options argument. (unk_lang_val_print): Remove format, deref_ref, pretty arguments; add options. (unk_lang_value_print): Remove format, pretty arguments; add options. * jv-valprint.c (java_value_print): Remove format, pretty arguments; add options. Update. (java_print_value_fields): Likewise. (java_val_print): Remove format, deref_ref, pretty arguments; add options. Update. * jv-lang.h (java_val_print, java_value_print): Declare. * infcmd.c: Include valprint.h. (print_return_value): Use get_raw_print_options. (default_print_registers_info): Use get_user_print_options, get_formatted_print_options. (registers_info): Use get_formatted_print_options. * gdbtypes.h (struct value_print_options): Declare. (print_scalar_formatted): Update. * f-valprint.c (f77_print_array_1): Remove format, deref_ref, pretty arguments; add options. Update. (f77_print_array): Likewise. (f_val_print): Likewise. * f-lang.h (f_val_print): Update. * f-lang.c (f_printstr): Add options argument. Update. (c_value_print): Update declaration. * expprint.c: Include valprint.h. (print_subexp_standard): Use get_raw_print_options, get_user_print_options. * eval.c: Include valprint.h. (objectprint): Don't declare. (evaluate_subexp_standard): Use get_user_print_options. * cp-valprint.c (vtblprint, objectprint, static_field_print): Remove. (cp_print_value_fields): Remove format, pretty arguments; add options. Update. (cp_print_value): Likewise. (cp_print_static_field): Likewise. (_initialize_cp_valprint): Use user_print_options. Update. * c-valprint.c (print_function_pointer_address): Add addressprint argument. (c_val_print): Remove format, deref_ref, pretty arguments; add options. Update. (c_value_print): Add options argument. Update. * c-lang.h (c_val_print, c_value_print, c_printstr): Update. (vtblprint, static_field_print): Don't declare. (cp_print_value_fields): Update. * c-lang.c (c_printstr): Add options argument. Update. * breakpoint.c: Include valprint.h. (addressprint): Don't declare. (watchpoint_value_print): Use get_user_print_options. (print_one_breakpoint_location): Likewise. (breakpoint_1, print_it_catch_fork, print_it_catch_vfork, mention, print_exception_catchpoint): Likewise. * auxv.c (fprint_target_auxv): Don't declare addressprint. Use get_user_print_options. * ada-valprint.c (struct ada_val_print_args): Remove format, deref_ref, and pretty; add options. (print_optional_low_bound): Add options argument. (val_print_packed_array_elements): Remove format and pretty arguments; add options. Update. (printstr): Add options argument. Update. (ada_printstr): Likewise. (ada_val_print): Remove format, deref_ref, pretty arguments; add options argument. Update. (ada_val_print_stub): Update. (ada_val_print_array): Remove format, deref_ref, pretty arguments; add options. Update. (ada_val_print_1): Likewise. (print_variant_part): Likewise. (ada_value_print): Remove format, pretty arguments; add options. Update. (print_record): Likewise. (print_field_values): Likewise. * ada-lang.h (ada_val_print, ada_value_print, ada_printstr): Update. * ada-lang.c (ada_print_array_index): Add options argument; remove format and pretty arguments. (print_one_exception): Use get_user_print_options. gdb/testsuite * gdb.base/exprs.exp (test_expr): Add enum formatting tests.
444 lines
14 KiB
C
444 lines
14 KiB
C
/* Pascal language support routines for GDB, the GNU debugger.
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Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This file is derived from c-lang.c */
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#include "defs.h"
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#include "gdb_string.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "expression.h"
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#include "parser-defs.h"
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#include "language.h"
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#include "p-lang.h"
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#include "valprint.h"
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#include "value.h"
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#include <ctype.h>
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extern void _initialize_pascal_language (void);
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/* All GPC versions until now (2007-09-27) also define a symbol called
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'_p_initialize'. Check for the presence of this symbol first. */
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static const char GPC_P_INITIALIZE[] = "_p_initialize";
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/* The name of the symbol that GPC uses as the name of the main
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procedure (since version 20050212). */
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static const char GPC_MAIN_PROGRAM_NAME_1[] = "_p__M0_main_program";
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/* Older versions of GPC (versions older than 20050212) were using
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a different name for the main procedure. */
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static const char GPC_MAIN_PROGRAM_NAME_2[] = "pascal_main_program";
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/* Function returning the special symbol name used
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by GPC for the main procedure in the main program
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if it is found in minimal symbol list.
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This function tries to find minimal symbols generated by GPC
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so that it finds the even if the program was compiled
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without debugging information.
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According to information supplied by Waldeck Hebisch,
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this should work for all versions posterior to June 2000. */
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const char *
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pascal_main_name (void)
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{
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struct minimal_symbol *msym;
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msym = lookup_minimal_symbol (GPC_P_INITIALIZE, NULL, NULL);
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/* If '_p_initialize' was not found, the main program is likely not
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written in Pascal. */
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if (msym == NULL)
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return NULL;
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msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_1, NULL, NULL);
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if (msym != NULL)
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{
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return GPC_MAIN_PROGRAM_NAME_1;
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}
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msym = lookup_minimal_symbol (GPC_MAIN_PROGRAM_NAME_2, NULL, NULL);
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if (msym != NULL)
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{
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return GPC_MAIN_PROGRAM_NAME_2;
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}
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/* No known entry procedure found, the main program is probably
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not compiled with GPC. */
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return NULL;
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}
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/* Determines if type TYPE is a pascal string type.
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Returns 1 if the type is a known pascal type
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This function is used by p-valprint.c code to allow better string display.
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If it is a pascal string type, then it also sets info needed
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to get the length and the data of the string
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length_pos, length_size and string_pos are given in bytes.
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char_size gives the element size in bytes.
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FIXME: if the position or the size of these fields
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are not multiple of TARGET_CHAR_BIT then the results are wrong
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but this does not happen for Free Pascal nor for GPC. */
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int
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is_pascal_string_type (struct type *type,int *length_pos,
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int *length_size, int *string_pos, int *char_size,
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char **arrayname)
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{
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if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
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{
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/* Old Borland type pascal strings from Free Pascal Compiler. */
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/* Two fields: length and st. */
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if (TYPE_NFIELDS (type) == 2
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&& strcmp (TYPE_FIELDS (type)[0].name, "length") == 0
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&& strcmp (TYPE_FIELDS (type)[1].name, "st") == 0)
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{
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if (length_pos)
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*length_pos = TYPE_FIELD_BITPOS (type, 0) / TARGET_CHAR_BIT;
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if (length_size)
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*length_size = TYPE_LENGTH (TYPE_FIELD_TYPE (type, 0));
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if (string_pos)
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*string_pos = TYPE_FIELD_BITPOS (type, 1) / TARGET_CHAR_BIT;
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if (char_size)
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*char_size = 1;
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if (arrayname)
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*arrayname = TYPE_FIELDS (type)[1].name;
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return 2;
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};
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/* GNU pascal strings. */
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/* Three fields: Capacity, length and schema$ or _p_schema. */
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if (TYPE_NFIELDS (type) == 3
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&& strcmp (TYPE_FIELDS (type)[0].name, "Capacity") == 0
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&& strcmp (TYPE_FIELDS (type)[1].name, "length") == 0)
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{
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if (length_pos)
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*length_pos = TYPE_FIELD_BITPOS (type, 1) / TARGET_CHAR_BIT;
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if (length_size)
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*length_size = TYPE_LENGTH (TYPE_FIELD_TYPE (type, 1));
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if (string_pos)
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*string_pos = TYPE_FIELD_BITPOS (type, 2) / TARGET_CHAR_BIT;
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/* FIXME: how can I detect wide chars in GPC ?? */
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if (char_size)
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*char_size = 1;
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if (arrayname)
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*arrayname = TYPE_FIELDS (type)[2].name;
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return 3;
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};
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}
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return 0;
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}
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static void pascal_one_char (int, struct ui_file *, int *);
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/* Print the character C on STREAM as part of the contents of a literal
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string.
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In_quotes is reset to 0 if a char is written with #4 notation */
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static void
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pascal_one_char (int c, struct ui_file *stream, int *in_quotes)
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{
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c &= 0xFF; /* Avoid sign bit follies */
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if ((c == '\'') || (PRINT_LITERAL_FORM (c)))
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{
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if (!(*in_quotes))
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fputs_filtered ("'", stream);
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*in_quotes = 1;
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if (c == '\'')
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{
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fputs_filtered ("''", stream);
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}
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else
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fprintf_filtered (stream, "%c", c);
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}
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else
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{
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if (*in_quotes)
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fputs_filtered ("'", stream);
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*in_quotes = 0;
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fprintf_filtered (stream, "#%d", (unsigned int) c);
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}
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}
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static void pascal_emit_char (int c, struct ui_file *stream, int quoter);
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/* Print the character C on STREAM as part of the contents of a literal
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string whose delimiter is QUOTER. Note that that format for printing
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characters and strings is language specific. */
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static void
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pascal_emit_char (int c, struct ui_file *stream, int quoter)
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{
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int in_quotes = 0;
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pascal_one_char (c, stream, &in_quotes);
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if (in_quotes)
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fputs_filtered ("'", stream);
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}
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void
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pascal_printchar (int c, struct ui_file *stream)
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{
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int in_quotes = 0;
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pascal_one_char (c, stream, &in_quotes);
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if (in_quotes)
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fputs_filtered ("'", stream);
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}
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/* Print the character string STRING, printing at most LENGTH characters.
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Printing stops early if the number hits print_max; repeat counts
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are printed as appropriate. Print ellipses at the end if we
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had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */
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void
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pascal_printstr (struct ui_file *stream, const gdb_byte *string,
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unsigned int length, int width, int force_ellipses,
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const struct value_print_options *options)
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{
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unsigned int i;
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unsigned int things_printed = 0;
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int in_quotes = 0;
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int need_comma = 0;
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/* If the string was not truncated due to `set print elements', and
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the last byte of it is a null, we don't print that, in traditional C
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style. */
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if ((!force_ellipses) && length > 0 && string[length - 1] == '\0')
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length--;
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if (length == 0)
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{
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fputs_filtered ("''", stream);
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return;
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}
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for (i = 0; i < length && things_printed < options->print_max; ++i)
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{
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/* Position of the character we are examining
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to see whether it is repeated. */
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unsigned int rep1;
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/* Number of repetitions we have detected so far. */
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unsigned int reps;
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QUIT;
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if (need_comma)
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{
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fputs_filtered (", ", stream);
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need_comma = 0;
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}
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rep1 = i + 1;
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reps = 1;
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while (rep1 < length && string[rep1] == string[i])
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{
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++rep1;
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++reps;
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}
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if (reps > options->repeat_count_threshold)
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{
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if (in_quotes)
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{
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if (options->inspect_it)
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fputs_filtered ("\\', ", stream);
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else
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fputs_filtered ("', ", stream);
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in_quotes = 0;
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}
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pascal_printchar (string[i], stream);
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fprintf_filtered (stream, " <repeats %u times>", reps);
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i = rep1 - 1;
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things_printed += options->repeat_count_threshold;
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need_comma = 1;
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}
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else
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{
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int c = string[i];
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if ((!in_quotes) && (PRINT_LITERAL_FORM (c)))
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{
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if (options->inspect_it)
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fputs_filtered ("\\'", stream);
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else
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fputs_filtered ("'", stream);
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in_quotes = 1;
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}
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pascal_one_char (c, stream, &in_quotes);
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++things_printed;
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}
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}
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/* Terminate the quotes if necessary. */
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if (in_quotes)
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{
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if (options->inspect_it)
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fputs_filtered ("\\'", stream);
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else
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fputs_filtered ("'", stream);
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}
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if (force_ellipses || i < length)
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fputs_filtered ("...", stream);
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}
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/* Table mapping opcodes into strings for printing operators
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and precedences of the operators. */
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const struct op_print pascal_op_print_tab[] =
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{
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{",", BINOP_COMMA, PREC_COMMA, 0},
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{":=", BINOP_ASSIGN, PREC_ASSIGN, 1},
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{"or", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0},
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{"xor", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0},
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{"and", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0},
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{"=", BINOP_EQUAL, PREC_EQUAL, 0},
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{"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0},
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{"<=", BINOP_LEQ, PREC_ORDER, 0},
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{">=", BINOP_GEQ, PREC_ORDER, 0},
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{">", BINOP_GTR, PREC_ORDER, 0},
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{"<", BINOP_LESS, PREC_ORDER, 0},
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{"shr", BINOP_RSH, PREC_SHIFT, 0},
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{"shl", BINOP_LSH, PREC_SHIFT, 0},
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{"+", BINOP_ADD, PREC_ADD, 0},
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{"-", BINOP_SUB, PREC_ADD, 0},
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{"*", BINOP_MUL, PREC_MUL, 0},
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{"/", BINOP_DIV, PREC_MUL, 0},
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{"div", BINOP_INTDIV, PREC_MUL, 0},
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{"mod", BINOP_REM, PREC_MUL, 0},
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{"@", BINOP_REPEAT, PREC_REPEAT, 0},
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{"-", UNOP_NEG, PREC_PREFIX, 0},
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{"not", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
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{"^", UNOP_IND, PREC_SUFFIX, 1},
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{"@", UNOP_ADDR, PREC_PREFIX, 0},
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{"sizeof", UNOP_SIZEOF, PREC_PREFIX, 0},
|
||
{NULL, 0, 0, 0}
|
||
};
|
||
|
||
enum pascal_primitive_types {
|
||
pascal_primitive_type_int,
|
||
pascal_primitive_type_long,
|
||
pascal_primitive_type_short,
|
||
pascal_primitive_type_char,
|
||
pascal_primitive_type_float,
|
||
pascal_primitive_type_double,
|
||
pascal_primitive_type_void,
|
||
pascal_primitive_type_long_long,
|
||
pascal_primitive_type_signed_char,
|
||
pascal_primitive_type_unsigned_char,
|
||
pascal_primitive_type_unsigned_short,
|
||
pascal_primitive_type_unsigned_int,
|
||
pascal_primitive_type_unsigned_long,
|
||
pascal_primitive_type_unsigned_long_long,
|
||
pascal_primitive_type_long_double,
|
||
pascal_primitive_type_complex,
|
||
pascal_primitive_type_double_complex,
|
||
nr_pascal_primitive_types
|
||
};
|
||
|
||
static void
|
||
pascal_language_arch_info (struct gdbarch *gdbarch,
|
||
struct language_arch_info *lai)
|
||
{
|
||
const struct builtin_type *builtin = builtin_type (gdbarch);
|
||
lai->string_char_type = builtin->builtin_char;
|
||
lai->primitive_type_vector
|
||
= GDBARCH_OBSTACK_CALLOC (gdbarch, nr_pascal_primitive_types + 1,
|
||
struct type *);
|
||
lai->primitive_type_vector [pascal_primitive_type_int]
|
||
= builtin->builtin_int;
|
||
lai->primitive_type_vector [pascal_primitive_type_long]
|
||
= builtin->builtin_long;
|
||
lai->primitive_type_vector [pascal_primitive_type_short]
|
||
= builtin->builtin_short;
|
||
lai->primitive_type_vector [pascal_primitive_type_char]
|
||
= builtin->builtin_char;
|
||
lai->primitive_type_vector [pascal_primitive_type_float]
|
||
= builtin->builtin_float;
|
||
lai->primitive_type_vector [pascal_primitive_type_double]
|
||
= builtin->builtin_double;
|
||
lai->primitive_type_vector [pascal_primitive_type_void]
|
||
= builtin->builtin_void;
|
||
lai->primitive_type_vector [pascal_primitive_type_long_long]
|
||
= builtin->builtin_long_long;
|
||
lai->primitive_type_vector [pascal_primitive_type_signed_char]
|
||
= builtin->builtin_signed_char;
|
||
lai->primitive_type_vector [pascal_primitive_type_unsigned_char]
|
||
= builtin->builtin_unsigned_char;
|
||
lai->primitive_type_vector [pascal_primitive_type_unsigned_short]
|
||
= builtin->builtin_unsigned_short;
|
||
lai->primitive_type_vector [pascal_primitive_type_unsigned_int]
|
||
= builtin->builtin_unsigned_int;
|
||
lai->primitive_type_vector [pascal_primitive_type_unsigned_long]
|
||
= builtin->builtin_unsigned_long;
|
||
lai->primitive_type_vector [pascal_primitive_type_unsigned_long_long]
|
||
= builtin->builtin_unsigned_long_long;
|
||
lai->primitive_type_vector [pascal_primitive_type_long_double]
|
||
= builtin->builtin_long_double;
|
||
lai->primitive_type_vector [pascal_primitive_type_complex]
|
||
= builtin->builtin_complex;
|
||
lai->primitive_type_vector [pascal_primitive_type_double_complex]
|
||
= builtin->builtin_double_complex;
|
||
|
||
lai->bool_type_symbol = "boolean";
|
||
lai->bool_type_default = builtin->builtin_bool;
|
||
}
|
||
|
||
const struct language_defn pascal_language_defn =
|
||
{
|
||
"pascal", /* Language name */
|
||
language_pascal,
|
||
range_check_on,
|
||
type_check_on,
|
||
case_sensitive_on,
|
||
array_row_major,
|
||
macro_expansion_no,
|
||
&exp_descriptor_standard,
|
||
pascal_parse,
|
||
pascal_error,
|
||
null_post_parser,
|
||
pascal_printchar, /* Print a character constant */
|
||
pascal_printstr, /* Function to print string constant */
|
||
pascal_emit_char, /* Print a single char */
|
||
pascal_print_type, /* Print a type using appropriate syntax */
|
||
pascal_print_typedef, /* Print a typedef using appropriate syntax */
|
||
pascal_val_print, /* Print a value using appropriate syntax */
|
||
pascal_value_print, /* Print a top-level value */
|
||
NULL, /* Language specific skip_trampoline */
|
||
"this", /* name_of_this */
|
||
basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
|
||
basic_lookup_transparent_type,/* lookup_transparent_type */
|
||
NULL, /* Language specific symbol demangler */
|
||
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,
|
||
pascal_language_arch_info,
|
||
default_print_array_index,
|
||
default_pass_by_reference,
|
||
LANG_MAGIC
|
||
};
|
||
|
||
void
|
||
_initialize_pascal_language (void)
|
||
{
|
||
add_language (&pascal_language_defn);
|
||
}
|