X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Flanguage.c;h=eb853d1b45aa074de5c17f583867ba1eb8044ad0;hb=3be49e7a08c06ff93ce328e902b8cc33984de71b;hp=e835445083ce2032e0fd5f17e593dc7c1084644f;hpb=b5af69c3366b775b8fbf2e4cd51c3e39cb9330da;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/language.c b/gdb/language.c index e835445083..eb853d1b45 100644 --- a/gdb/language.c +++ b/gdb/language.c @@ -1,23 +1,27 @@ /* Multiple source language support for GDB. - Copyright 1991, 1992 Free Software Foundation, Inc. + + Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, + 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Contributed by the Department of Computer Science at the State University of New York at Buffalo. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* This file contains functions that return things that are specific to languages. Each function should examine current_language if necessary, @@ -28,74 +32,83 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ whenever the working language changes. That would be a lot faster. */ #include "defs.h" -#include -#include +#include +#include "gdb_string.h" #include "symtab.h" #include "gdbtypes.h" #include "value.h" #include "gdbcmd.h" -#include "frame.h" #include "expression.h" #include "language.h" #include "target.h" #include "parser-defs.h" +#include "jv-lang.h" +#include "demangle.h" -static void -show_language_command PARAMS ((char *, int)); +extern void _initialize_language (void); -static void -set_language_command PARAMS ((char *, int)); +static void show_language_command (char *, int); -static void -show_type_command PARAMS ((char *, int)); +static void set_language_command (char *, int); -static void -set_type_command PARAMS ((char *, int)); +static void show_type_command (char *, int); -static void -show_range_command PARAMS ((char *, int)); +static void set_type_command (char *, int); -static void -set_range_command PARAMS ((char *, int)); +static void show_range_command (char *, int); -static void -set_range_str PARAMS ((void)); +static void set_range_command (char *, int); -static void -set_type_str PARAMS ((void)); +static void show_case_command (char *, int); -static void -set_lang_str PARAMS ((void)); +static void set_case_command (char *, int); -static void -unk_lang_error PARAMS ((char *)); +static void set_case_str (void); -static int -unk_lang_parser PARAMS ((void)); +static void set_range_str (void); -static void -show_check PARAMS ((char *, int)); +static void set_type_str (void); -static void -set_check PARAMS ((char *, int)); +static void set_lang_str (void); -static void -set_type_range PARAMS ((void)); +static void unk_lang_error (char *); + +static int unk_lang_parser (void); + +static void show_check (char *, int); + +static void set_check (char *, int); + +static void set_type_range_case (void); + +static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter); + +static void unk_lang_printchar (int c, struct ui_file *stream); + +static struct type *unk_lang_create_fundamental_type (struct objfile *, int); + +static void unk_lang_print_type (struct type *, char *, struct ui_file *, + int, int); + +static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint); + +static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc); /* Forward declaration */ extern const struct language_defn unknown_language_defn; -extern char *warning_pre_print; - + /* The current (default at startup) state of type and range checking. - (If the modes are set to "auto", though, these are changed based - on the default language at startup, and then again based on the - language of the first source file. */ + (If the modes are set to "auto", though, these are changed based + on the default language at startup, and then again based on the + language of the first source file. */ enum range_mode range_mode = range_mode_auto; enum range_check range_check = range_check_off; enum type_mode type_mode = type_mode_auto; enum type_check type_check = type_check_off; +enum case_mode case_mode = case_mode_auto; +enum case_sensitivity case_sensitivity = case_sensitive_on; /* The current language and language_mode (see language.h) */ @@ -112,7 +125,7 @@ const struct language_defn *expected_language; static const struct language_defn **languages; static unsigned languages_size; static unsigned languages_allocsize; -#define DEFAULT_ALLOCSIZE 3 +#define DEFAULT_ALLOCSIZE 4 /* The "set language/type/range" commands all put stuff in these buffers. This is to make them work as set/show commands. The @@ -123,12 +136,12 @@ static unsigned languages_allocsize; static char *language; static char *type; static char *range; +static char *case_sensitive; /* Warning issued when current_language and the language of the current frame do not match. */ char lang_frame_mismatch_warn[] = - "Warning: the current language does not match this frame."; - +"Warning: the current language does not match this frame."; /* This page contains the functions corresponding to GDB commands and their helpers. */ @@ -136,170 +149,225 @@ char lang_frame_mismatch_warn[] = /* Show command. Display a warning if the language set does not match the frame. */ static void -show_language_command (ignore, from_tty) - char *ignore; - int from_tty; +show_language_command (char *ignore, int from_tty) { - enum language flang; /* The language of the current frame */ + enum language flang; /* The language of the current frame */ - flang = get_frame_language(); - if (flang != language_unknown && + flang = get_frame_language (); + if (flang != language_unknown && language_mode == language_mode_manual && current_language->la_language != flang) - printf_filtered("%s\n",lang_frame_mismatch_warn); + printf_filtered ("%s\n", lang_frame_mismatch_warn); } /* Set command. Change the current working language. */ static void -set_language_command (ignore, from_tty) - char *ignore; - int from_tty; +set_language_command (char *ignore, int from_tty) { int i; enum language flang; char *err_lang; - /* FIXME -- do this from the list, with HELP. */ - if (!language || !language[0]) { - printf("The currently understood settings are:\n\n\ -local or auto Automatic setting based on source file\n\ -c Use the C language\n\ -c++ Use the C++ language\n\ -modula-2 Use the Modula-2 language\n"); - /* Restore the silly string. */ - set_language(current_language->la_language); - return; - } + if (!language || !language[0]) + { + printf_unfiltered ("The currently understood settings are:\n\n"); + printf_unfiltered ("local or auto Automatic setting based on source file\n"); + + for (i = 0; i < languages_size; ++i) + { + /* Already dealt with these above. */ + if (languages[i]->la_language == language_unknown + || languages[i]->la_language == language_auto) + continue; + + /* FIXME for now assume that the human-readable name is just + a capitalization of the internal name. */ + printf_unfiltered ("%-16s Use the %c%s language\n", + languages[i]->la_name, + /* Capitalize first letter of language + name. */ + toupper (languages[i]->la_name[0]), + languages[i]->la_name + 1); + } + /* Restore the silly string. */ + set_language (current_language->la_language); + return; + } /* Search the list of languages for a match. */ - for (i = 0; i < languages_size; i++) { - if (!strcmp (languages[i]->la_name, language)) { - /* Found it! Go into manual mode, and use this language. */ - if (languages[i]->la_language == language_auto) { - /* Enter auto mode. Set to the current frame's language, if known. */ - language_mode = language_mode_auto; - flang = get_frame_language(); - if (flang!=language_unknown) - set_language(flang); - expected_language = current_language; - return; - } else { - /* Enter manual mode. Set the specified language. */ - language_mode = language_mode_manual; - current_language = languages[i]; - set_type_range (); - set_lang_str(); - expected_language = current_language; - return; - } + for (i = 0; i < languages_size; i++) + { + if (strcmp (languages[i]->la_name, language) == 0) + { + /* Found it! Go into manual mode, and use this language. */ + if (languages[i]->la_language == language_auto) + { + /* Enter auto mode. Set to the current frame's language, if known. */ + language_mode = language_mode_auto; + flang = get_frame_language (); + if (flang != language_unknown) + set_language (flang); + expected_language = current_language; + return; + } + else + { + /* Enter manual mode. Set the specified language. */ + language_mode = language_mode_manual; + current_language = languages[i]; + set_type_range_case (); + set_lang_str (); + expected_language = current_language; + return; + } + } } - } /* Reset the language (esp. the global string "language") to the correct values. */ - err_lang=savestring(language,strlen(language)); - make_cleanup (free, err_lang); /* Free it after error */ - set_language(current_language->la_language); - error ("Unknown language `%s'.",err_lang); + err_lang = savestring (language, strlen (language)); + make_cleanup (xfree, err_lang); /* Free it after error */ + set_language (current_language->la_language); + error ("Unknown language `%s'.", err_lang); } /* Show command. Display a warning if the type setting does not match the current language. */ static void -show_type_command(ignore, from_tty) - char *ignore; - int from_tty; +show_type_command (char *ignore, int from_tty) { - if (type_check != current_language->la_type_check) - printf( -"Warning: the current type check setting does not match the language.\n"); + if (type_check != current_language->la_type_check) + printf_unfiltered ( + "Warning: the current type check setting does not match the language.\n"); } /* Set command. Change the setting for type checking. */ static void -set_type_command(ignore, from_tty) - char *ignore; - int from_tty; +set_type_command (char *ignore, int from_tty) { - if (!strcmp(type,"on")) - { + if (strcmp (type, "on") == 0) + { type_check = type_check_on; type_mode = type_mode_manual; - } - else if (!strcmp(type,"warn")) - { + } + else if (strcmp (type, "warn") == 0) + { type_check = type_check_warn; type_mode = type_mode_manual; - } - else if (!strcmp(type,"off")) - { + } + else if (strcmp (type, "off") == 0) + { type_check = type_check_off; type_mode = type_mode_manual; - } - else if (!strcmp(type,"auto")) - { + } + else if (strcmp (type, "auto") == 0) + { type_mode = type_mode_auto; - set_type_range(); + set_type_range_case (); /* Avoid hitting the set_type_str call below. We - did it in set_type_range. */ + did it in set_type_range_case. */ return; - } - set_type_str(); - show_type_command((char *)NULL, from_tty); + } + else + { + warning ("Unrecognized type check setting: \"%s\"", type); + } + set_type_str (); + show_type_command ((char *) NULL, from_tty); } /* Show command. Display a warning if the range setting does not match the current language. */ static void -show_range_command(ignore, from_tty) - char *ignore; - int from_tty; +show_range_command (char *ignore, int from_tty) { - if (range_check != current_language->la_range_check) - printf( -"Warning: the current range check setting does not match the language.\n"); + if (range_check != current_language->la_range_check) + printf_unfiltered ( + "Warning: the current range check setting does not match the language.\n"); } /* Set command. Change the setting for range checking. */ static void -set_range_command(ignore, from_tty) - char *ignore; - int from_tty; +set_range_command (char *ignore, int from_tty) { - if (!strcmp(range,"on")) - { + if (strcmp (range, "on") == 0) + { range_check = range_check_on; range_mode = range_mode_manual; - } - else if (!strcmp(range,"warn")) - { + } + else if (strcmp (range, "warn") == 0) + { range_check = range_check_warn; range_mode = range_mode_manual; - } - else if (!strcmp(range,"off")) - { + } + else if (strcmp (range, "off") == 0) + { range_check = range_check_off; range_mode = range_mode_manual; - } - else if (!strcmp(range,"auto")) - { + } + else if (strcmp (range, "auto") == 0) + { range_mode = range_mode_auto; - set_type_range(); + set_type_range_case (); /* Avoid hitting the set_range_str call below. We - did it in set_type_range. */ + did it in set_type_range_case. */ + return; + } + else + { + warning ("Unrecognized range check setting: \"%s\"", range); + } + set_range_str (); + show_range_command ((char *) 0, from_tty); +} + +/* Show command. Display a warning if the case sensitivity setting does + not match the current language. */ +static void +show_case_command (char *ignore, int from_tty) +{ + if (case_sensitivity != current_language->la_case_sensitivity) + printf_unfiltered( +"Warning: the current case sensitivity setting does not match the language.\n"); +} + +/* Set command. Change the setting for case sensitivity. */ +static void +set_case_command (char *ignore, int from_tty) +{ + if (DEPRECATED_STREQ (case_sensitive, "on")) + { + case_sensitivity = case_sensitive_on; + case_mode = case_mode_manual; + } + else if (DEPRECATED_STREQ (case_sensitive, "off")) + { + case_sensitivity = case_sensitive_off; + case_mode = case_mode_manual; + } + else if (DEPRECATED_STREQ (case_sensitive, "auto")) + { + case_mode = case_mode_auto; + set_type_range_case (); + /* Avoid hitting the set_case_str call below. We + did it in set_type_range_case. */ return; } - set_range_str(); - show_range_command((char *)0, from_tty); + else + { + warning ("Unrecognized case-sensitive setting: \"%s\"", case_sensitive); + } + set_case_str(); + show_case_command ((char *) NULL, from_tty); } -/* Set the status of range and type checking based on +/* Set the status of range and type checking and case sensitivity based on the current modes and the current language. If SHOW is non-zero, then print out the current language, type and range checking status. */ static void -set_type_range() +set_type_range_case (void) { if (range_mode == range_mode_auto) @@ -308,219 +376,201 @@ set_type_range() if (type_mode == type_mode_auto) type_check = current_language->la_type_check; - set_type_str(); - set_range_str(); + if (case_mode == case_mode_auto) + case_sensitivity = current_language->la_case_sensitivity; + + set_type_str (); + set_range_str (); + set_case_str (); } -/* Set current language to (enum language) LANG. */ +/* Set current language to (enum language) LANG. Returns previous language. */ -void -set_language(lang) - enum language lang; +enum language +set_language (enum language lang) { int i; + enum language prev_language; - for (i = 0; i < languages_size; i++) { - if (languages[i]->la_language == lang) { - current_language = languages[i]; - set_type_range (); - set_lang_str(); - break; + prev_language = current_language->la_language; + + for (i = 0; i < languages_size; i++) + { + if (languages[i]->la_language == lang) + { + current_language = languages[i]; + set_type_range_case (); + set_lang_str (); + break; + } } - } + + return prev_language; } /* This page contains functions that update the global vars language, type and range. */ static void -set_lang_str() +set_lang_str (void) { - char *prefix = ""; + char *prefix = ""; - free (language); - if (language_mode == language_mode_auto) - prefix = "auto; currently "; + if (language) + xfree (language); + if (language_mode == language_mode_auto) + prefix = "auto; currently "; - language = concat(prefix, current_language->la_name, NULL); + language = concat (prefix, current_language->la_name, NULL); } static void -set_type_str() +set_type_str (void) { - char *tmp, *prefix = ""; + char *tmp = NULL, *prefix = ""; - free (type); - if (type_mode==type_mode_auto) - prefix = "auto; currently "; + if (type) + xfree (type); + if (type_mode == type_mode_auto) + prefix = "auto; currently "; - switch(type_check) - { - case type_check_on: + switch (type_check) + { + case type_check_on: tmp = "on"; break; - case type_check_off: + case type_check_off: tmp = "off"; break; - case type_check_warn: + case type_check_warn: tmp = "warn"; break; - default: + default: error ("Unrecognized type check setting."); - } + } - type = concat(prefix,tmp,NULL); + type = concat (prefix, tmp, NULL); } static void -set_range_str() +set_range_str (void) { - char *tmp, *pref = ""; + char *tmp, *pref = ""; - free (range); - if (range_mode==range_mode_auto) - pref = "auto; currently "; + if (range_mode == range_mode_auto) + pref = "auto; currently "; - switch(range_check) - { - case range_check_on: + switch (range_check) + { + case range_check_on: tmp = "on"; break; - case range_check_off: + case range_check_off: tmp = "off"; break; - case range_check_warn: + case range_check_warn: tmp = "warn"; break; - default: + default: error ("Unrecognized range check setting."); - } + } - range = concat(pref,tmp,NULL); + if (range) + xfree (range); + range = concat (pref, tmp, NULL); } +static void +set_case_str (void) +{ + char *tmp = NULL, *prefix = ""; + + if (case_mode==case_mode_auto) + prefix = "auto; currently "; + + switch (case_sensitivity) + { + case case_sensitive_on: + tmp = "on"; + break; + case case_sensitive_off: + tmp = "off"; + break; + default: + error ("Unrecognized case-sensitive setting."); + } + + xfree (case_sensitive); + case_sensitive = concat (prefix, tmp, NULL); +} /* Print out the current language settings: language, range and type checking. If QUIETLY, print only what has changed. */ void -language_info (quietly) - int quietly; +language_info (int quietly) { if (quietly && expected_language == current_language) return; expected_language = current_language; - printf("Current language: %s\n",language); - show_language_command((char *)0, 1); + printf_unfiltered ("Current language: %s\n", language); + show_language_command ((char *) 0, 1); if (!quietly) { - printf("Type checking: %s\n",type); - show_type_command((char *)0, 1); - printf("Range checking: %s\n",range); - show_range_command((char *)0, 1); + printf_unfiltered ("Type checking: %s\n", type); + show_type_command ((char *) 0, 1); + printf_unfiltered ("Range checking: %s\n", range); + show_range_command ((char *) 0, 1); + printf_unfiltered ("Case sensitivity: %s\n", case_sensitive); + show_case_command ((char *) 0, 1); } } /* Return the result of a binary operation. */ -#if 0 /* Currently unused */ +#if 0 /* Currently unused */ struct type * -binop_result_type(v1,v2) - value v1,v2; +binop_result_type (struct value *v1, struct value *v2) { - int l1,l2,size,uns; + int size, uns; + struct type *t1 = check_typedef (VALUE_TYPE (v1)); + struct type *t2 = check_typedef (VALUE_TYPE (v2)); - l1 = TYPE_LENGTH(VALUE_TYPE(v1)); - l2 = TYPE_LENGTH(VALUE_TYPE(v2)); + int l1 = TYPE_LENGTH (t1); + int l2 = TYPE_LENGTH (t2); - switch(current_language->la_language) - { - case language_c: - case language_cplus: - if (TYPE_CODE(VALUE_TYPE(v1))==TYPE_CODE_FLT) - return TYPE_CODE(VALUE_TYPE(v2)) == TYPE_CODE_FLT && l2 > l1 ? - VALUE_TYPE(v2) : VALUE_TYPE(v1); - else if (TYPE_CODE(VALUE_TYPE(v2))==TYPE_CODE_FLT) - return TYPE_CODE(VALUE_TYPE(v1)) == TYPE_CODE_FLT && l1 > l2 ? - VALUE_TYPE(v1) : VALUE_TYPE(v2); - else if (TYPE_UNSIGNED(VALUE_TYPE(v1)) && l1 > l2) - return VALUE_TYPE(v1); - else if (TYPE_UNSIGNED(VALUE_TYPE(v2)) && l2 > l1) - return VALUE_TYPE(v2); - else /* Both are signed. Result is the longer type */ - return l1 > l2 ? VALUE_TYPE(v1) : VALUE_TYPE(v2); + switch (current_language->la_language) + { + case language_c: + case language_cplus: + case language_objc: + if (TYPE_CODE (t1) == TYPE_CODE_FLT) + return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ? + VALUE_TYPE (v2) : VALUE_TYPE (v1); + else if (TYPE_CODE (t2) == TYPE_CODE_FLT) + return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ? + VALUE_TYPE (v1) : VALUE_TYPE (v2); + else if (TYPE_UNSIGNED (t1) && l1 > l2) + return VALUE_TYPE (v1); + else if (TYPE_UNSIGNED (t2) && l2 > l1) + return VALUE_TYPE (v2); + else /* Both are signed. Result is the longer type */ + return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); break; - case language_m2: + case language_m2: /* If we are doing type-checking, l1 should equal l2, so this is - not needed. */ - return l1 > l2 ? VALUE_TYPE(v1) : VALUE_TYPE(v2); + not needed. */ + return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2); break; - } - abort(); - return (struct type *)0; /* For lint */ -} - -#endif /* 0 */ - - -/* This page contains functions that return format strings for - printf for printing out numbers in different formats */ - -/* Returns the appropriate printf format for hexadecimal - numbers. */ -char * -local_hex_format_custom(pre) - char *pre; -{ - static char form[50]; - - strcpy (form, current_language->la_hex_format_pre); - strcat (form, pre); - strcat (form, current_language->la_hex_format_suf); - return form; -} - -/* Converts a number to hexadecimal and stores it in a static - string. Returns a pointer to this string. */ -char * -local_hex_string (num) - int num; -{ - static char res[50]; - - sprintf (res, current_language->la_hex_format, num); - return res; -} - -/* Converts a number to custom hexadecimal and stores it in a static - string. Returns a pointer to this string. */ -char * -local_hex_string_custom(num,pre) - int num; - char *pre; -{ - static char res[50]; - - sprintf (res, local_hex_format_custom(pre), num); - return res; + } + internal_error (__FILE__, __LINE__, "failed internal consistency check"); + return (struct type *) 0; /* For lint */ } -/* Returns the appropriate printf format for octal - numbers. */ -char * -local_octal_format_custom(pre) - char *pre; -{ - static char form[50]; - - strcpy (form, current_language->la_octal_format_pre); - strcat (form, pre); - strcat (form, current_language->la_octal_format_suf); - return form; -} - +#endif /* 0 */ +#if 0 /* This page contains functions that are used in type/range checking. They all return zero if the type/range check fails. @@ -539,166 +589,251 @@ local_octal_format_custom(pre) both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur, and thus will never cause the failure of the test. */ int -simple_type(type) - struct type *type; +simple_type (struct type *type) { - switch (TYPE_CODE (type)) { - case TYPE_CODE_INT: - case TYPE_CODE_CHAR: - case TYPE_CODE_ENUM: - case TYPE_CODE_FLT: - case TYPE_CODE_RANGE: - case TYPE_CODE_BOOL: - return 1; - - default: - return 0; - } + CHECK_TYPEDEF (type); + switch (TYPE_CODE (type)) + { + case TYPE_CODE_INT: + case TYPE_CODE_CHAR: + case TYPE_CODE_ENUM: + case TYPE_CODE_FLT: + case TYPE_CODE_RANGE: + case TYPE_CODE_BOOL: + return 1; + + default: + return 0; + } } -/* Returns non-zero if its argument is of an ordered type. */ +/* Returns non-zero if its argument is of an ordered type. + An ordered type is one in which the elements can be tested for the + properties of "greater than", "less than", etc, or for which the + operations "increment" or "decrement" make sense. */ int -ordered_type (type) - struct type *type; +ordered_type (struct type *type) { - switch (TYPE_CODE (type)) { - case TYPE_CODE_INT: - case TYPE_CODE_CHAR: - case TYPE_CODE_ENUM: - case TYPE_CODE_FLT: - case TYPE_CODE_RANGE: - return 1; - - default: - return 0; - } + CHECK_TYPEDEF (type); + switch (TYPE_CODE (type)) + { + case TYPE_CODE_INT: + case TYPE_CODE_CHAR: + case TYPE_CODE_ENUM: + case TYPE_CODE_FLT: + case TYPE_CODE_RANGE: + return 1; + + default: + return 0; + } } /* Returns non-zero if the two types are the same */ int -same_type (arg1, arg2) - struct type *arg1, *arg2; +same_type (struct type *arg1, struct type *arg2) { - if (structured_type(arg1) ? !structured_type(arg2) : structured_type(arg2)) - /* One is structured and one isn't */ - return 0; - else if (structured_type(arg1) && structured_type(arg2)) - return arg1 == arg2; - else if (numeric_type(arg1) && numeric_type(arg2)) - return (TYPE_CODE(arg2) == TYPE_CODE(arg1)) && - (TYPE_UNSIGNED(arg1) == TYPE_UNSIGNED(arg2)) - ? 1 : 0; - else - return arg1==arg2; + CHECK_TYPEDEF (type); + if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2)) + /* One is structured and one isn't */ + return 0; + else if (structured_type (arg1) && structured_type (arg2)) + return arg1 == arg2; + else if (numeric_type (arg1) && numeric_type (arg2)) + return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) && + (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2)) + ? 1 : 0; + else + return arg1 == arg2; } /* Returns non-zero if the type is integral */ int -integral_type (type) - struct type *type; +integral_type (struct type *type) { - switch(current_language->la_language) - { - case language_c: - case language_cplus: - return (TYPE_CODE(type) != TYPE_CODE_INT) && - (TYPE_CODE(type) != TYPE_CODE_ENUM) ? 0 : 1; - case language_m2: - return TYPE_CODE(type) != TYPE_CODE_INT ? 0 : 1; - default: + CHECK_TYPEDEF (type); + switch (current_language->la_language) + { + case language_c: + case language_cplus: + case language_objc: + return (TYPE_CODE (type) != TYPE_CODE_INT) && + (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1; + case language_m2: + case language_pascal: + return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1; + default: error ("Language not supported."); - } + } } /* Returns non-zero if the value is numeric */ int -numeric_type (type) - struct type *type; +numeric_type (struct type *type) { - switch (TYPE_CODE (type)) { - case TYPE_CODE_INT: - case TYPE_CODE_FLT: - return 1; + CHECK_TYPEDEF (type); + switch (TYPE_CODE (type)) + { + case TYPE_CODE_INT: + case TYPE_CODE_FLT: + return 1; - default: - return 0; - } + default: + return 0; + } } /* Returns non-zero if the value is a character type */ int -character_type (type) - struct type *type; +character_type (struct type *type) { - switch(current_language->la_language) - { - case language_m2: - return TYPE_CODE(type) != TYPE_CODE_CHAR ? 0 : 1; - - case language_c: - case language_cplus: - return (TYPE_CODE(type) == TYPE_CODE_INT) && - TYPE_LENGTH(type) == sizeof(char) - ? 1 : 0; - default: + CHECK_TYPEDEF (type); + switch (current_language->la_language) + { + case language_m2: + case language_pascal: + return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1; + + case language_c: + case language_cplus: + case language_objc: + return (TYPE_CODE (type) == TYPE_CODE_INT) && + TYPE_LENGTH (type) == sizeof (char) + ? 1 : 0; + default: return (0); - } + } } -/* Returns non-zero if the value is a boolean type */ +/* Returns non-zero if the value is a string type */ int -boolean_type (type) - struct type *type; +string_type (struct type *type) { - switch(current_language->la_language) - { - case language_m2: - return TYPE_CODE(type) != TYPE_CODE_BOOL ? 0 : 1; - - case language_c: - case language_cplus: - return TYPE_CODE(type) != TYPE_CODE_INT ? 0 : 1; - default: + CHECK_TYPEDEF (type); + switch (current_language->la_language) + { + case language_m2: + case language_pascal: + return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1; + + case language_c: + case language_cplus: + case language_objc: + /* C does not have distinct string type. */ return (0); - } + default: + return (0); + } +} + +/* Returns non-zero if the value is a boolean type */ +int +boolean_type (struct type *type) +{ + CHECK_TYPEDEF (type); + if (TYPE_CODE (type) == TYPE_CODE_BOOL) + return 1; + switch (current_language->la_language) + { + case language_c: + case language_cplus: + case language_objc: + /* Might be more cleanly handled by having a + TYPE_CODE_INT_NOT_BOOL for (the deleted) CHILL and such + languages, or a TYPE_CODE_INT_OR_BOOL for C. */ + if (TYPE_CODE (type) == TYPE_CODE_INT) + return 1; + default: + break; + } + return 0; } /* Returns non-zero if the value is a floating-point type */ int -float_type (type) - struct type *type; +float_type (struct type *type) { - return TYPE_CODE(type) == TYPE_CODE_FLT; + CHECK_TYPEDEF (type); + return TYPE_CODE (type) == TYPE_CODE_FLT; } /* Returns non-zero if the value is a pointer type */ int -pointer_type(type) - struct type *type; +pointer_type (struct type *type) { - return TYPE_CODE(type) == TYPE_CODE_PTR || - TYPE_CODE(type) == TYPE_CODE_REF; + return TYPE_CODE (type) == TYPE_CODE_PTR || + TYPE_CODE (type) == TYPE_CODE_REF; } /* Returns non-zero if the value is a structured type */ int -structured_type(type) - struct type *type; +structured_type (struct type *type) { - switch(current_language->la_language) - { - case language_c: - case language_cplus: + CHECK_TYPEDEF (type); + switch (current_language->la_language) + { + case language_c: + case language_cplus: + case language_objc: + return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || + (TYPE_CODE (type) == TYPE_CODE_UNION) || + (TYPE_CODE (type) == TYPE_CODE_ARRAY); + case language_pascal: return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || (TYPE_CODE(type) == TYPE_CODE_UNION) || - (TYPE_CODE(type) == TYPE_CODE_ARRAY); - case language_m2: - return (TYPE_CODE(type) == TYPE_CODE_STRUCT) || (TYPE_CODE(type) == TYPE_CODE_SET) || (TYPE_CODE(type) == TYPE_CODE_ARRAY); - default: + case language_m2: + return (TYPE_CODE (type) == TYPE_CODE_STRUCT) || + (TYPE_CODE (type) == TYPE_CODE_SET) || + (TYPE_CODE (type) == TYPE_CODE_ARRAY); + default: return (0); - } + } +} +#endif + +struct type * +lang_bool_type (void) +{ + struct symbol *sym; + struct type *type; + switch (current_language->la_language) + { + case language_fortran: + sym = lookup_symbol ("logical", NULL, VAR_DOMAIN, NULL, NULL); + if (sym) + { + type = SYMBOL_TYPE (sym); + if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) + return type; + } + return builtin_type_f_logical_s2; + case language_cplus: + case language_pascal: + if (current_language->la_language==language_cplus) + {sym = lookup_symbol ("bool", NULL, VAR_DOMAIN, NULL, NULL);} + else + {sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL);} + if (sym) + { + type = SYMBOL_TYPE (sym); + if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) + return type; + } + return builtin_type_bool; + case language_java: + sym = lookup_symbol ("boolean", NULL, VAR_DOMAIN, NULL, NULL); + if (sym) + { + type = SYMBOL_TYPE (sym); + if (type && TYPE_CODE (type) == TYPE_CODE_BOOL) + return type; + } + return java_boolean_type; + default: + return builtin_type_int; + } } /* This page contains functions that return info about @@ -706,325 +841,154 @@ structured_type(type) /* Returns non-zero if the value VAL represents a true value. */ int -value_true(val) - value val; +value_true (struct value *val) { - int len, i; - struct type *type; - LONGEST v; - - switch (current_language->la_language) { - - case language_c: - case language_cplus: - return !value_zerop (val); - - case language_m2: - type = VALUE_TYPE(val); - if (TYPE_CODE (type) != TYPE_CODE_BOOL) - return 0; /* Not a BOOLEAN at all */ - /* Search the fields for one that matches the current value. */ - len = TYPE_NFIELDS (type); - v = value_as_long (val); - for (i = 0; i < len; i++) - { - QUIT; - if (v == TYPE_FIELD_BITPOS (type, i)) - break; - } - if (i >= len) - return 0; /* Not a valid BOOLEAN value */ - if (!strcmp ("TRUE", TYPE_FIELD_NAME(VALUE_TYPE(val), i))) - return 1; /* BOOLEAN with value TRUE */ - else - return 0; /* BOOLEAN with value FALSE */ - break; - - default: - error ("Language not supported."); - } + /* It is possible that we should have some sort of error if a non-boolean + value is used in this context. Possibly dependent on some kind of + "boolean-checking" option like range checking. But it should probably + not depend on the language except insofar as is necessary to identify + a "boolean" value (i.e. in C using a float, pointer, etc., as a boolean + should be an error, probably). */ + return !value_logical_not (val); } -/* Returns non-zero if the operator OP is defined on - the values ARG1 and ARG2. */ +/* This page contains functions for the printing out of + error messages that occur during type- and range- + checking. */ -#if 0 /* Currently unused */ +/* These are called when a language fails a type- or range-check. The + first argument should be a printf()-style format string, and the + rest of the arguments should be its arguments. If + [type|range]_check is [type|range]_check_on, an error is printed; + if [type|range]_check_warn, a warning; otherwise just the + message. */ void -binop_type_check(arg1,arg2,op) - value arg1,arg2; - int op; +type_error (const char *string,...) { - struct type *t1, *t2; - - /* If we're not checking types, always return success. */ - if (!STRICT_TYPE) - return; - - t1=VALUE_TYPE(arg1); - if (arg2!=(value)NULL) - t2=VALUE_TYPE(arg2); - else - t2=NULL; - - switch(op) - { - case BINOP_ADD: - case BINOP_SUB: - if ((numeric_type(t1) && pointer_type(t2)) || - (pointer_type(t1) && numeric_type(t2))) - { - warning ("combining pointer and integer.\n"); - break; - } - case BINOP_MUL: - case BINOP_LSH: - case BINOP_RSH: - if (!numeric_type(t1) || !numeric_type(t2)) - type_op_error ("Arguments to %s must be numbers.",op); - else if (!same_type(t1,t2)) - type_op_error ("Arguments to %s must be of the same type.",op); - break; - - case BINOP_AND: - case BINOP_OR: - if (!boolean_type(t1) || !boolean_type(t2)) - type_op_error ("Arguments to %s must be of boolean type.",op); - break; + va_list args; + va_start (args, string); - case BINOP_EQUAL: - if ((pointer_type(t1) && !(pointer_type(t2) || integral_type(t2))) || - (pointer_type(t2) && !(pointer_type(t1) || integral_type(t1)))) - type_op_error ("A pointer can only be compared to an integer or pointer.",op); - else if ((pointer_type(t1) && integral_type(t2)) || - (integral_type(t1) && pointer_type(t2))) - { - warning ("combining integer and pointer.\n"); - break; - } - else if (!simple_type(t1) || !simple_type(t2)) - type_op_error ("Arguments to %s must be of simple type.",op); - else if (!same_type(t1,t2)) - type_op_error ("Arguments to %s must be of the same type.",op); + switch (type_check) + { + case type_check_warn: + vwarning (string, args); break; - - case BINOP_REM: - if (!integral_type(t1) || !integral_type(t2)) - type_op_error ("Arguments to %s must be of integral type.",op); + case type_check_on: + verror (string, args); break; - - case BINOP_LESS: - case BINOP_GTR: - case BINOP_LEQ: - case BINOP_GEQ: - if (!ordered_type(t1) || !ordered_type(t2)) - type_op_error ("Arguments to %s must be of ordered type.",op); - else if (!same_type(t1,t2)) - type_op_error ("Arguments to %s must be of the same type.",op); - break; - - case BINOP_ASSIGN: - if (pointer_type(t1) && !integral_type(t2)) - type_op_error ("A pointer can only be assigned an integer.",op); - else if (pointer_type(t1) && integral_type(t2)) - { - warning ("combining integer and pointer."); - break; - } - else if (!simple_type(t1) || !simple_type(t2)) - type_op_error ("Arguments to %s must be of simple type.",op); - else if (!same_type(t1,t2)) - type_op_error ("Arguments to %s must be of the same type.",op); + case type_check_off: + /* FIXME: cagney/2002-01-30: Should this function print anything + when type error is off? */ + vfprintf_filtered (gdb_stderr, string, args); + fprintf_filtered (gdb_stderr, "\n"); break; + default: + internal_error (__FILE__, __LINE__, "bad switch"); + } + va_end (args); +} - /* Unary checks -- arg2 is null */ - - case UNOP_ZEROP: - if (!boolean_type(t1)) - type_op_error ("Argument to %s must be of boolean type.",op); - break; +void +range_error (const char *string,...) +{ + va_list args; + va_start (args, string); - case UNOP_PLUS: - case UNOP_NEG: - if (!numeric_type(t1)) - type_op_error ("Argument to %s must be of numeric type.",op); + switch (range_check) + { + case range_check_warn: + vwarning (string, args); break; - - case UNOP_IND: - if (integral_type(t1)) - { - warning ("combining pointer and integer.\n"); - break; - } - else if (!pointer_type(t1)) - type_op_error ("Argument to %s must be a pointer.",op); + case range_check_on: + verror (string, args); break; - - case UNOP_PREINCREMENT: - case UNOP_POSTINCREMENT: - case UNOP_PREDECREMENT: - case UNOP_POSTDECREMENT: - if (!ordered_type(t1)) - type_op_error ("Argument to %s must be of an ordered type.",op); + case range_check_off: + /* FIXME: cagney/2002-01-30: Should this function print anything + when range error is off? */ + vfprintf_filtered (gdb_stderr, string, args); + fprintf_filtered (gdb_stderr, "\n"); break; - - default: - /* Ok. The following operators have different meanings in - different languages. */ - switch(current_language->la_language) - { -#ifdef _LANG_c - case language_c: - case language_cplus: - switch(op) - { - case BINOP_DIV: - if (!numeric_type(t1) || !numeric_type(t2)) - type_op_error ("Arguments to %s must be numbers.",op); - break; - } - break; -#endif - -#ifdef _LANG_m2 - case language_m2: - switch(op) - { - case BINOP_DIV: - if (!float_type(t1) || !float_type(t2)) - type_op_error ("Arguments to %s must be floating point numbers.",op); - break; - case BINOP_INTDIV: - if (!integral_type(t1) || !integral_type(t2)) - type_op_error ("Arguments to %s must be of integral type.",op); - break; - } -#endif - } - } + default: + internal_error (__FILE__, __LINE__, "bad switch"); + } + va_end (args); } - -#endif /* 0 */ - -/* This page contains functions for the printing out of - error messages that occur during type- and range- - checking. */ -/* Prints the format string FMT with the operator as a string - corresponding to the opcode OP. If FATAL is non-zero, then - this is an error and error () is called. Otherwise, it is - a warning and printf() is called. */ -void -op_error (fmt,op,fatal) - char *fmt; - enum exp_opcode op; - int fatal; -{ - if (fatal) - error (fmt,op_string(op)); - else - { - warning (fmt,op_string(op)); - } -} +/* This page contains miscellaneous functions */ -/* These are called when a language fails a type- or range-check. - The first argument should be a printf()-style format string, and - the rest of the arguments should be its arguments. If - [type|range]_check is [type|range]_check_on, then return_to_top_level() - is called in the style of error (). Otherwise, the message is prefixed - by the value of warning_pre_print and we do not return to the top level. */ +/* Return the language enum for a given language string. */ -void -type_error (va_alist) - va_dcl +enum language +language_enum (char *str) { - va_list args; - char *string; + int i; - if (type_check==type_check_warn) - fprintf(stderr,warning_pre_print); - else - target_terminal_ours(); - - va_start (args); - string = va_arg (args, char *); - vfprintf (stderr, string, args); - fprintf (stderr, "\n"); - va_end (args); - if (type_check==type_check_on) - return_to_top_level(); + for (i = 0; i < languages_size; i++) + if (DEPRECATED_STREQ (languages[i]->la_name, str)) + return languages[i]->la_language; + + return language_unknown; } -void -range_error (va_alist) - va_dcl +/* Return the language struct for a given language enum. */ + +const struct language_defn * +language_def (enum language lang) { - va_list args; - char *string; + int i; - if (range_check==range_check_warn) - fprintf(stderr,warning_pre_print); - else - target_terminal_ours(); - - va_start (args); - string = va_arg (args, char *); - vfprintf (stderr, string, args); - fprintf (stderr, "\n"); - va_end (args); - if (range_check==range_check_on) - return_to_top_level(); + for (i = 0; i < languages_size; i++) + { + if (languages[i]->la_language == lang) + { + return languages[i]; + } + } + return NULL; } - -/* This page contains miscellaneous functions */ - /* Return the language as a string */ char * -language_str(lang) - enum language lang; +language_str (enum language lang) { int i; - for (i = 0; i < languages_size; i++) { - if (languages[i]->la_language == lang) { - return languages[i]->la_name; + for (i = 0; i < languages_size; i++) + { + if (languages[i]->la_language == lang) + { + return languages[i]->la_name; + } } - } return "Unknown"; } static void -set_check (ignore, from_tty) - char *ignore; - int from_tty; +set_check (char *ignore, int from_tty) { - printf( -"\"set check\" must be followed by the name of a check subcommand.\n"); - help_list(setchecklist, "set check ", -1, stdout); + printf_unfiltered ( + "\"set check\" must be followed by the name of a check subcommand.\n"); + help_list (setchecklist, "set check ", -1, gdb_stdout); } static void -show_check (ignore, from_tty) - char *ignore; - int from_tty; +show_check (char *ignore, int from_tty) { - cmd_show_list(showchecklist, from_tty, ""); + cmd_show_list (showchecklist, from_tty, ""); } /* Add a language to the set of known languages. */ void -add_language (lang) - const struct language_defn *lang; +add_language (const struct language_defn *lang) { if (lang->la_magic != LANG_MAGIC) { - fprintf(stderr, "Magic number of %s language struct wrong\n", - lang->la_name); - abort(); + fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n", + lang->la_name); + internal_error (__FILE__, __LINE__, "failed internal consistency check"); } if (!languages) @@ -1037,137 +1001,402 @@ add_language (lang) { languages_allocsize *= 2; languages = (const struct language_defn **) xrealloc ((char *) languages, - languages_allocsize * sizeof (*languages)); + languages_allocsize * sizeof (*languages)); } languages[languages_size++] = lang; } +/* Iterate through all registered languages looking for and calling + any non-NULL struct language_defn.skip_trampoline() functions. + Return the result from the first that returns non-zero, or 0 if all + `fail'. */ +CORE_ADDR +skip_language_trampoline (CORE_ADDR pc) +{ + int i; + + for (i = 0; i < languages_size; i++) + { + if (languages[i]->skip_trampoline) + { + CORE_ADDR real_pc = (languages[i]->skip_trampoline) (pc); + if (real_pc) + return real_pc; + } + } + + return 0; +} + +/* Return demangled language symbol, or NULL. + FIXME: Options are only useful for certain languages and ignored + by others, so it would be better to remove them here and have a + more flexible demangler for the languages that need it. + FIXME: Sometimes the demangler is invoked when we don't know the + language, so we can't use this everywhere. */ +char * +language_demangle (const struct language_defn *current_language, + const char *mangled, int options) +{ + if (current_language != NULL && current_language->la_demangle) + return current_language->la_demangle (mangled, options); + return NULL; +} + +/* Return class name from physname or NULL. */ +char * +language_class_name_from_physname (const struct language_defn *current_language, + const char *physname) +{ + if (current_language != NULL && current_language->la_class_name_from_physname) + return current_language->la_class_name_from_physname (physname); + return NULL; +} + +/* Return the default string containing the list of characters + delimiting words. This is a reasonable default value that + most languages should be able to use. */ + +char * +default_word_break_characters (void) +{ + return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-"; +} + /* Define the language that is no language. */ static int -unk_lang_parser () +unk_lang_parser (void) { return 1; } static void -unk_lang_error (msg) - char *msg; +unk_lang_error (char *msg) { error ("Attempted to parse an expression with unknown language"); } -static struct type ** const (unknown_builtin_types[]) = { 0 }; -static const struct op_print unk_op_print_tab[] = { 0 }; +static void +unk_lang_emit_char (int c, struct ui_file *stream, int quoter) +{ + error ("internal error - unimplemented function unk_lang_emit_char called."); +} + +static void +unk_lang_printchar (int c, struct ui_file *stream) +{ + error ("internal error - unimplemented function unk_lang_printchar called."); +} + +static void +unk_lang_printstr (struct ui_file *stream, const bfd_byte *string, + unsigned int length, int width, int force_ellipses) +{ + error ("internal error - unimplemented function unk_lang_printstr called."); +} + +static struct type * +unk_lang_create_fundamental_type (struct objfile *objfile, int typeid) +{ + error ("internal error - unimplemented function unk_lang_create_fundamental_type called."); +} + +static void +unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream, + int show, int level) +{ + error ("internal error - unimplemented function unk_lang_print_type called."); +} + +static int +unk_lang_val_print (struct type *type, const bfd_byte *valaddr, + int embedded_offset, CORE_ADDR address, + struct ui_file *stream, int format, + int deref_ref, int recurse, enum val_prettyprint pretty) +{ + error ("internal error - unimplemented function unk_lang_val_print called."); +} + +static int +unk_lang_value_print (struct value *val, struct ui_file *stream, int format, + enum val_prettyprint pretty) +{ + error ("internal error - unimplemented function unk_lang_value_print called."); +} + +static CORE_ADDR unk_lang_trampoline (CORE_ADDR pc) +{ + return 0; +} + +/* Unknown languages just use the cplus demangler. */ +static char *unk_lang_demangle (const char *mangled, int options) +{ + return cplus_demangle (mangled, options); +} + +static char *unk_lang_class_name (const char *mangled) +{ + return NULL; +} + +static const struct op_print unk_op_print_tab[] = +{ + {NULL, OP_NULL, PREC_NULL, 0} +}; + +static void +unknown_language_arch_info (struct gdbarch *gdbarch, + struct language_arch_info *lai) +{ + lai->string_char_type = builtin_type (gdbarch)->builtin_char; + lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1, + struct type *); +} -const struct language_defn unknown_language_defn = { +const struct language_defn unknown_language_defn = +{ "unknown", language_unknown, - &unknown_builtin_types[0], + NULL, range_check_off, type_check_off, + array_row_major, + case_sensitive_on, + &exp_descriptor_standard, unk_lang_parser, unk_lang_error, - &builtin_type_error, /* longest signed integral type */ - &builtin_type_error, /* longest unsigned integral type */ - &builtin_type_error, /* longest floating point type */ - "0x%x", "0x%", "x", /* Hex format, prefix, suffix */ - "0%o", "0%", "o", /* Octal format, prefix, suffix */ + null_post_parser, + unk_lang_printchar, /* Print character constant */ + unk_lang_printstr, + unk_lang_emit_char, + unk_lang_create_fundamental_type, + unk_lang_print_type, /* Print a type using appropriate syntax */ + unk_lang_val_print, /* Print a value using appropriate syntax */ + unk_lang_value_print, /* Print a top-level value */ + unk_lang_trampoline, /* Language specific skip_trampoline */ + value_of_this, /* value_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + unk_lang_demangle, /* Language specific symbol demangler */ + unk_lang_class_name, /* Language specific class_name_from_physname */ unk_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + NULL, + default_word_break_characters, + unknown_language_arch_info, /* la_language_arch_info. */ LANG_MAGIC }; /* These two structs define fake entries for the "local" and "auto" options. */ -const struct language_defn auto_language_defn = { +const struct language_defn auto_language_defn = +{ "auto", language_auto, - &unknown_builtin_types[0], + NULL, range_check_off, type_check_off, + array_row_major, + case_sensitive_on, + &exp_descriptor_standard, unk_lang_parser, unk_lang_error, - &builtin_type_error, /* longest signed integral type */ - &builtin_type_error, /* longest unsigned integral type */ - &builtin_type_error, /* longest floating point type */ - "0x%x", "0x%", "x", /* Hex format, prefix, suffix */ - "0%o", "0%", "o", /* Octal format, prefix, suffix */ + null_post_parser, + unk_lang_printchar, /* Print character constant */ + unk_lang_printstr, + unk_lang_emit_char, + unk_lang_create_fundamental_type, + unk_lang_print_type, /* Print a type using appropriate syntax */ + unk_lang_val_print, /* Print a value using appropriate syntax */ + unk_lang_value_print, /* Print a top-level value */ + unk_lang_trampoline, /* Language specific skip_trampoline */ + value_of_this, /* value_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + unk_lang_demangle, /* Language specific symbol demangler */ + unk_lang_class_name, /* Language specific class_name_from_physname */ unk_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + NULL, + default_word_break_characters, + unknown_language_arch_info, /* la_language_arch_info. */ LANG_MAGIC }; -const struct language_defn local_language_defn = { +const struct language_defn local_language_defn = +{ "local", language_auto, - &unknown_builtin_types[0], + NULL, range_check_off, type_check_off, + case_sensitive_on, + array_row_major, + &exp_descriptor_standard, unk_lang_parser, unk_lang_error, - &builtin_type_error, /* longest signed integral type */ - &builtin_type_error, /* longest unsigned integral type */ - &builtin_type_error, /* longest floating point type */ - "0x%x", "0x%", "x", /* Hex format, prefix, suffix */ - "0%o", "0%", "o", /* Octal format, prefix, suffix */ + null_post_parser, + unk_lang_printchar, /* Print character constant */ + unk_lang_printstr, + unk_lang_emit_char, + unk_lang_create_fundamental_type, + unk_lang_print_type, /* Print a type using appropriate syntax */ + unk_lang_val_print, /* Print a value using appropriate syntax */ + unk_lang_value_print, /* Print a top-level value */ + unk_lang_trampoline, /* Language specific skip_trampoline */ + value_of_this, /* value_of_this */ + basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ + basic_lookup_transparent_type,/* lookup_transparent_type */ + unk_lang_demangle, /* Language specific symbol demangler */ + unk_lang_class_name, /* Language specific class_name_from_physname */ unk_op_print_tab, /* expression operators for printing */ + 1, /* c-style arrays */ + 0, /* String lower bound */ + NULL, + default_word_break_characters, + unknown_language_arch_info, /* la_language_arch_info. */ LANG_MAGIC }; +/* Per-architecture language information. */ + +static struct gdbarch_data *language_gdbarch_data; + +struct language_gdbarch +{ + /* A vector of per-language per-architecture info. Indexed by "enum + language". */ + struct language_arch_info arch_info[nr_languages]; +}; + +static void * +language_gdbarch_post_init (struct gdbarch *gdbarch) +{ + struct language_gdbarch *l; + int i; + + l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch); + for (i = 0; i < languages_size; i++) + { + if (languages[i] != NULL + && languages[i]->la_language_arch_info != NULL) + languages[i]->la_language_arch_info + (gdbarch, l->arch_info + languages[i]->la_language); + } + return l; +} + +struct type * +language_string_char_type (const struct language_defn *la, + struct gdbarch *gdbarch) +{ + struct language_gdbarch *ld = gdbarch_data (gdbarch, + language_gdbarch_data); + if (ld->arch_info[la->la_language].string_char_type != NULL) + return ld->arch_info[la->la_language].string_char_type; + else + return (*la->string_char_type); +} + +struct type * +language_lookup_primitive_type_by_name (const struct language_defn *la, + struct gdbarch *gdbarch, + const char *name) +{ + struct language_gdbarch *ld = gdbarch_data (gdbarch, + language_gdbarch_data); + if (ld->arch_info[la->la_language].primitive_type_vector != NULL) + { + struct type *const *p; + for (p = ld->arch_info[la->la_language].primitive_type_vector; + (*p) != NULL; + p++) + { + if (strcmp (TYPE_NAME (*p), name) == 0) + return (*p); + } + } + else + { + struct type **const *p; + for (p = current_language->la_builtin_type_vector; *p != NULL; p++) + { + if (strcmp (TYPE_NAME (**p), name) == 0) + return (**p); + } + } + return (NULL); +} + /* Initialize the language routines */ void -_initialize_language() +_initialize_language (void) { - struct cmd_list_element *set, *show; - - /* GDB commands for language specific stuff */ - - set = add_set_cmd ("language", class_support, var_string_noescape, - (char *)&language, - "Set the current source language.", - &setlist); - show = add_show_from_set (set, &showlist); - set->function.cfunc = set_language_command; - show->function.cfunc = show_language_command; - - add_prefix_cmd ("check", no_class, set_check, - "Set the status of the type/range checker", - &setchecklist, "set check ", 0, &setlist); - add_alias_cmd ("c", "check", no_class, 1, &setlist); - add_alias_cmd ("ch", "check", no_class, 1, &setlist); - - add_prefix_cmd ("check", no_class, show_check, - "Show the status of the type/range checker", - &showchecklist, "show check ", 0, &showlist); - add_alias_cmd ("c", "check", no_class, 1, &showlist); - add_alias_cmd ("ch", "check", no_class, 1, &showlist); - - set = add_set_cmd ("type", class_support, var_string_noescape, - (char *)&type, - "Set type checking. (on/warn/off/auto)", - &setchecklist); - show = add_show_from_set (set, &showchecklist); - set->function.cfunc = set_type_command; - show->function.cfunc = show_type_command; - - set = add_set_cmd ("range", class_support, var_string_noescape, - (char *)&range, - "Set range checking. (on/warn/off/auto)", - &setchecklist); - show = add_show_from_set (set, &showchecklist); - set->function.cfunc = set_range_command; - show->function.cfunc = show_range_command; - - add_language (&unknown_language_defn); - add_language (&local_language_defn); - add_language (&auto_language_defn); - - language = savestring ("auto",strlen("auto")); - range = savestring ("auto",strlen("auto")); - type = savestring ("auto",strlen("auto")); - - /* Have the above take effect */ - - set_language_command (language, 0); - set_type_command (NULL, 0); - set_range_command (NULL, 0); + struct cmd_list_element *set, *show; + + language_gdbarch_data + = gdbarch_data_register_post_init (language_gdbarch_post_init); + + /* GDB commands for language specific stuff */ + + set = add_set_cmd ("language", class_support, var_string_noescape, + (char *) &language, + "Set the current source language.", + &setlist); + show = deprecated_add_show_from_set (set, &showlist); + set_cmd_cfunc (set, set_language_command); + set_cmd_cfunc (show, show_language_command); + + add_prefix_cmd ("check", no_class, set_check, + "Set the status of the type/range checker.", + &setchecklist, "set check ", 0, &setlist); + add_alias_cmd ("c", "check", no_class, 1, &setlist); + add_alias_cmd ("ch", "check", no_class, 1, &setlist); + + add_prefix_cmd ("check", no_class, show_check, + "Show the status of the type/range checker.", + &showchecklist, "show check ", 0, &showlist); + add_alias_cmd ("c", "check", no_class, 1, &showlist); + add_alias_cmd ("ch", "check", no_class, 1, &showlist); + + set = add_set_cmd ("type", class_support, var_string_noescape, + (char *) &type, + "Set type checking. (on/warn/off/auto)", + &setchecklist); + show = deprecated_add_show_from_set (set, &showchecklist); + set_cmd_cfunc (set, set_type_command); + set_cmd_cfunc (show, show_type_command); + + set = add_set_cmd ("range", class_support, var_string_noescape, + (char *) &range, + "Set range checking. (on/warn/off/auto)", + &setchecklist); + show = deprecated_add_show_from_set (set, &showchecklist); + set_cmd_cfunc (set, set_range_command); + set_cmd_cfunc (show, show_range_command); + + set = add_set_cmd ("case-sensitive", class_support, var_string_noescape, + (char *) &case_sensitive, + "Set case sensitivity in name search. (on/off/auto)\n\ +For Fortran the default is off; for other languages the default is on.", + &setlist); + show = deprecated_add_show_from_set (set, &showlist); + set_cmd_cfunc (set, set_case_command); + set_cmd_cfunc (show, show_case_command); + + add_language (&unknown_language_defn); + add_language (&local_language_defn); + add_language (&auto_language_defn); + + language = savestring ("auto", strlen ("auto")); + type = savestring ("auto", strlen ("auto")); + range = savestring ("auto", strlen ("auto")); + case_sensitive = savestring ("auto",strlen ("auto")); + + /* Have the above take effect */ + set_language (language_auto); }