6ccb916229
of FT_INTEGER fundamental type for array range index type. (decode_base_type): Use builtin types of current_gdbarch instead of fundamental types. * dwarf2read.c (struct dwarf2_cu): Remove ftypes member. (read_file_scope): Do not initialize ftypes member. (dwarf_base_type, dwarf2_fundamental_types): Remove functions. (read_array_type): Use builtin_type_int32 instead of FT_INTEGER fundamental type for array range index type. (read_tag_string_type): Likewise for string range index type. Also, do not overwrite FT_CHAR type with new string type. (read_base_type): If DW_AT_name is missing, create unnamed type with given properties instead of looking for a fundamental type. Create new types as TYPE_TARGET_TYPE for DW_ATE_address and DW_ATE_complex_float types. (read_subrange_type): Create new type to represent missing DW_AT_type instead of looking for a fundamental type. (die_type): Use builtin type to represent "void" instead of looking for a fundamental type. * stabsread.c (define_symbol): Use builtin types to represent 'r' and 'i' floating-point and integer constants. * gdbtypes.c (lookup_fundamental_type): Remove. * gdbtypes.h (lookup_fundamental_type): Remove prototype. (FT_VOID, FT_BOOLEAN, FT_CHAR, FT_SIGNED_CHAR, FT_UNSIGNED_CHAR, FT_SHORT, FT_SIGNED_SHORT, FT_UNSIGNED_SHORT, FT_INTEGER, FT_SIGNED_INTEGER, FT_UNSIGNED_INTEGER, FT_LONG, FT_SIGNED_LONG, FT_UNSIGNED_LONG, FT_LONG_LONG, FT_SIGNED_LONG_LONG, FT_UNSIGNED_LONG_LONG, FT_FLOAT, FT_DBL_PREC_FLOAT, FT_EXT_PREC_FLOAT, FT_COMPLEX, FT_DBL_PREC_COMPLEX, FT_EXT_PREC_COMPLEX, FT_STRING, FT_FIXED_DECIMAL, FT_FLOAT_DECIMAL, FT_BYTE, FT_UNSIGNED_BYTE, FT_TEMPLATE_ARG, FT_DECFLOAT, FT_DBL_PREC_DECFLOAT, FT_EXT_PREC_DECFLOAT, FT_NUM_MEMBERS): Remove macros. * objfiles.c (struct objfile): Remove fundamental_types member. * symfile.c (reread_symbols): Do not clear fundamental_types. * language.h (struct language_defn): Remove la_fund_type member. (create_fundamental_type): Remove. * language.c (unk_lang_create_fundamental_type): Remove. (unknown_language_defn, auto_language_defn, local_language_defn): Adapt initializer. * ada-lang.c (ada_create_fundamental_type): Remove. (ada_language_defn): Adapt initializer. * c-lang.h (c_create_fundamental_type): Remove prototype. * c-lang.c (c_create_fundamental_type): Remove. (c_language_defn, cplus_language_defn, asm_language_defn, minimal_language_defn): Adapt initializer. * f-lang.c (f_create_fundamental_type): Remove. (f_language_defn): Adapt initializer. * jv-lang.c (java_create_fundamental_type): Remove. (java_language_defn): Adapt initializer. * m2-lang.c (m2_create_fundamental_type): Remove. (m2_language_defn): Adapt initializer. * objc-lang.c (objc_create_fundamental_type): Remove. (objc_language_defn): Adapt initializer. * p-lang.h (pascal_create_fundamental_type): Remove prototype. * p-lang.c (pascal_create_fundamental_type): Remove. (pascal_language_defn): Adapt initializer. * scm-lang.c (scm_language_defn): Adapt initializer.
472 lines
15 KiB
C
472 lines
15 KiB
C
/* Source-language-related definitions for GDB.
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Copyright (C) 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003, 2004,
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2007 Free Software Foundation, Inc.
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Contributed by the Department of Computer Science at the State University
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of New York at Buffalo.
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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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#if !defined (LANGUAGE_H)
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#define LANGUAGE_H 1
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/* Forward decls for prototypes */
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struct value;
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struct objfile;
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struct frame_info;
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struct expression;
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struct ui_file;
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/* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */
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/* This used to be included to configure GDB for one or more specific
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languages. Now it is left out to configure for all of them. FIXME. */
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/* #include "lang_def.h" */
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#define _LANG_c
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#define _LANG_m2
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#define _LANG_fortran
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#define _LANG_pascal
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#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims */
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/* range_mode ==
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range_mode_auto: range_check set automatically to default of language.
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range_mode_manual: range_check set manually by user. */
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extern enum range_mode
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{
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range_mode_auto, range_mode_manual
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}
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range_mode;
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/* range_check ==
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range_check_on: Ranges are checked in GDB expressions, producing errors.
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range_check_warn: Ranges are checked, producing warnings.
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range_check_off: Ranges are not checked in GDB expressions. */
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extern enum range_check
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{
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range_check_off, range_check_warn, range_check_on
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}
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range_check;
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/* type_mode ==
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type_mode_auto: type_check set automatically to default of language
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type_mode_manual: type_check set manually by user. */
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extern enum type_mode
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{
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type_mode_auto, type_mode_manual
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}
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type_mode;
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/* type_check ==
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type_check_on: Types are checked in GDB expressions, producing errors.
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type_check_warn: Types are checked, producing warnings.
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type_check_off: Types are not checked in GDB expressions. */
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extern enum type_check
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{
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type_check_off, type_check_warn, type_check_on
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}
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type_check;
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/* case_mode ==
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case_mode_auto: case_sensitivity set upon selection of scope
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case_mode_manual: case_sensitivity set only by user. */
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extern enum case_mode
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{
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case_mode_auto, case_mode_manual
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}
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case_mode;
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/* array_ordering ==
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array_row_major: Arrays are in row major order
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array_column_major: Arrays are in column major order.*/
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extern enum array_ordering
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{
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array_row_major, array_column_major
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}
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array_ordering;
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/* case_sensitivity ==
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case_sensitive_on: Case sensitivity in name matching is used
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case_sensitive_off: Case sensitivity in name matching is not used */
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extern enum case_sensitivity
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{
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case_sensitive_on, case_sensitive_off
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}
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case_sensitivity;
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/* Per architecture (OS/ABI) language information. */
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struct language_arch_info
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{
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/* Its primitive types. This is a vector ended by a NULL pointer.
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These types can be specified by name in parsing types in
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expressions, regardless of whether the program being debugged
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actually defines such a type. */
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struct type **primitive_type_vector;
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/* Type of elements of strings. */
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struct type *string_char_type;
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};
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struct type *language_string_char_type (const struct language_defn *l,
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struct gdbarch *gdbarch);
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struct type *language_lookup_primitive_type_by_name (const struct language_defn *l,
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struct gdbarch *gdbarch,
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const char *name);
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/* Structure tying together assorted information about a language. */
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struct language_defn
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{
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/* Name of the language */
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char *la_name;
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/* its symtab language-enum (defs.h) */
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enum language la_language;
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/* Default range checking */
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enum range_check la_range_check;
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/* Default type checking */
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enum type_check la_type_check;
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/* Default case sensitivity */
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enum case_sensitivity la_case_sensitivity;
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/* Multi-dimensional array ordering */
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enum array_ordering la_array_ordering;
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/* Definitions related to expression printing, prefixifying, and
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dumping */
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const struct exp_descriptor *la_exp_desc;
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/* Parser function. */
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int (*la_parser) (void);
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/* Parser error function */
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void (*la_error) (char *);
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/* Given an expression *EXPP created by prefixifying the result of
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la_parser, perform any remaining processing necessary to complete
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its translation. *EXPP may change; la_post_parser is responsible
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for releasing its previous contents, if necessary. If
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VOID_CONTEXT_P, then no value is expected from the expression. */
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void (*la_post_parser) (struct expression ** expp, int void_context_p);
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void (*la_printchar) (int ch, struct ui_file * stream);
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void (*la_printstr) (struct ui_file * stream, const gdb_byte *string,
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unsigned int length, int width,
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int force_ellipses);
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void (*la_emitchar) (int ch, struct ui_file * stream, int quoter);
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/* Print a type using syntax appropriate for this language. */
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void (*la_print_type) (struct type *, char *, struct ui_file *, int,
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int);
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/* Print a value using syntax appropriate for this language. */
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int (*la_val_print) (struct type *, const gdb_byte *, int, CORE_ADDR,
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struct ui_file *, int, int, int,
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enum val_prettyprint);
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/* Print a top-level value using syntax appropriate for this language. */
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int (*la_value_print) (struct value *, struct ui_file *,
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int, enum val_prettyprint);
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/* PC is possibly an unknown languages trampoline.
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If that PC falls in a trampoline belonging to this language,
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return the address of the first pc in the real function, or 0
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if it isn't a language tramp for this language. */
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CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR);
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/* Now come some hooks for lookup_symbol. */
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/* If this is non-NULL, lookup_symbol will do the 'field_of_this'
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check, using this function to find the value of this. */
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/* FIXME: carlton/2003-05-19: Audit all the language_defn structs
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to make sure we're setting this appropriately: I'm sure it
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could be NULL in more languages. */
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struct value *(*la_value_of_this) (int complain);
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/* This is a function that lookup_symbol will call when it gets to
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the part of symbol lookup where C looks up static and global
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variables. */
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struct symbol *(*la_lookup_symbol_nonlocal) (const char *,
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const char *,
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const struct block *,
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const domain_enum,
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struct symtab **);
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/* Find the definition of the type with the given name. */
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struct type *(*la_lookup_transparent_type) (const char *);
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/* Return demangled language symbol, or NULL. */
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char *(*la_demangle) (const char *mangled, int options);
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/* Return class name of a mangled method name or NULL. */
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char *(*la_class_name_from_physname) (const char *physname);
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/* Table for printing expressions */
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const struct op_print *la_op_print_tab;
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/* Zero if the language has first-class arrays. True if there are no
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array values, and array objects decay to pointers, as in C. */
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char c_style_arrays;
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/* Index to use for extracting the first element of a string. */
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char string_lower_bound;
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/* The list of characters forming word boundaries. */
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char *(*la_word_break_characters) (void);
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/* The per-architecture (OS/ABI) language information. */
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void (*la_language_arch_info) (struct gdbarch *,
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struct language_arch_info *);
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/* Print the index of an element of an array. */
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void (*la_print_array_index) (struct value *index_value,
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struct ui_file *stream,
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int format,
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enum val_prettyprint pretty);
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/* Return non-zero if TYPE should be passed (and returned) by
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reference at the language level. */
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int (*la_pass_by_reference) (struct type *type);
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/* Add fields above this point, so the magic number is always last. */
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/* Magic number for compat checking */
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long la_magic;
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};
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#define LANG_MAGIC 910823L
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/* Pointer to the language_defn for our current language. This pointer
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always points to *some* valid struct; it can be used without checking
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it for validity.
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The current language affects expression parsing and evaluation
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(FIXME: it might be cleaner to make the evaluation-related stuff
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separate exp_opcodes for each different set of semantics. We
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should at least think this through more clearly with respect to
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what happens if the language is changed between parsing and
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evaluation) and printing of things like types and arrays. It does
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*not* affect symbol-reading-- each source file in a symbol-file has
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its own language and we should keep track of that regardless of the
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language when symbols are read. If we want some manual setting for
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the language of symbol files (e.g. detecting when ".c" files are
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C++), it should be a separate setting from the current_language. */
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extern const struct language_defn *current_language;
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/* Pointer to the language_defn expected by the user, e.g. the language
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of main(), or the language we last mentioned in a message, or C. */
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extern const struct language_defn *expected_language;
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/* language_mode ==
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language_mode_auto: current_language automatically set upon selection
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of scope (e.g. stack frame)
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language_mode_manual: current_language set only by user. */
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extern enum language_mode
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{
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language_mode_auto, language_mode_manual
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}
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language_mode;
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/* These macros define the behaviour of the expression
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evaluator. */
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/* Should we strictly type check expressions? */
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#define STRICT_TYPE (type_check != type_check_off)
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/* Should we range check values against the domain of their type? */
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#define RANGE_CHECK (range_check != range_check_off)
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/* "cast" really means conversion */
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/* FIXME -- should be a setting in language_defn */
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#define CAST_IS_CONVERSION (current_language->la_language == language_c || \
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current_language->la_language == language_cplus || \
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current_language->la_language == language_objc)
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extern void language_info (int);
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extern enum language set_language (enum language);
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/* This page contains functions that return things that are
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specific to languages. Each of these functions is based on
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the current setting of working_lang, which the user sets
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with the "set language" command. */
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#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
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(current_language->la_print_type(type,varstring,stream,show,level))
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#define LA_VAL_PRINT(type,valaddr,offset,addr,stream,fmt,deref,recurse,pretty) \
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(current_language->la_val_print(type,valaddr,offset,addr,stream,fmt,deref, \
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recurse,pretty))
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#define LA_VALUE_PRINT(val,stream,fmt,pretty) \
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(current_language->la_value_print(val,stream,fmt,pretty))
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#define LA_PRINT_CHAR(ch, stream) \
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(current_language->la_printchar(ch, stream))
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#define LA_PRINT_STRING(stream, string, length, width, force_ellipses) \
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(current_language->la_printstr(stream, string, length, width, force_ellipses))
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#define LA_EMIT_CHAR(ch, stream, quoter) \
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(current_language->la_emitchar(ch, stream, quoter))
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#define LA_PRINT_ARRAY_INDEX(index_value, stream, format, pretty) \
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(current_language->la_print_array_index(index_value, stream, format, pretty))
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/* Test a character to decide whether it can be printed in literal form
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or needs to be printed in another representation. For example,
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in C the literal form of the character with octal value 141 is 'a'
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and the "other representation" is '\141'. The "other representation"
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is program language dependent. */
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#define PRINT_LITERAL_FORM(c) \
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((c) >= 0x20 \
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&& ((c) < 0x7F || (c) >= 0xA0) \
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&& (!sevenbit_strings || (c) < 0x80))
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#if 0
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/* FIXME: cagney/2000-03-04: This function does not appear to be used.
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It can be deleted once 5.0 has been released. */
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/* Return a string that contains the hex digits of the number. No preceeding
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"0x" */
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extern char *longest_raw_hex_string (LONGEST);
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#endif
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/* Type predicates */
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extern int simple_type (struct type *);
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extern int ordered_type (struct type *);
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extern int same_type (struct type *, struct type *);
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extern int integral_type (struct type *);
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extern int numeric_type (struct type *);
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extern int character_type (struct type *);
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extern int boolean_type (struct type *);
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extern int float_type (struct type *);
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extern int pointer_type (struct type *);
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extern int structured_type (struct type *);
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/* Checks Binary and Unary operations for semantic type correctness */
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/* FIXME: Does not appear to be used */
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#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
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extern void binop_type_check (struct value *, struct value *, int);
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/* Error messages */
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extern void op_error (const char *lhs, enum exp_opcode,
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const char *rhs);
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extern void type_error (const char *, ...) ATTR_FORMAT (printf, 1, 2);
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extern void range_error (const char *, ...) ATTR_FORMAT (printf, 1, 2);
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/* Data: Does this value represent "truth" to the current language? */
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extern int value_true (struct value *);
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extern struct type *lang_bool_type (void);
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/* The type used for Boolean values in the current language. */
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#define LA_BOOL_TYPE lang_bool_type ()
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/* Misc: The string representing a particular enum language. */
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extern enum language language_enum (char *str);
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extern const struct language_defn *language_def (enum language);
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extern char *language_str (enum language);
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/* Add a language to the set known by GDB (at initialization time). */
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extern void add_language (const struct language_defn *);
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extern enum language get_frame_language (void); /* In stack.c */
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/* Check for a language-specific trampoline. */
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extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
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/* Return demangled language symbol, or NULL. */
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extern char *language_demangle (const struct language_defn *current_language,
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const char *mangled, int options);
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/* Return class name from physname, or NULL. */
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extern char *language_class_name_from_physname (const struct language_defn *,
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const char *physname);
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/* Splitting strings into words. */
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extern char *default_word_break_characters (void);
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/* Print the index of an array element using the C99 syntax. */
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extern void default_print_array_index (struct value *index_value,
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struct ui_file *stream,
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int format,
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enum val_prettyprint pretty);
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/* Return non-zero if TYPE should be passed (and returned) by
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reference at the language level. */
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int language_pass_by_reference (struct type *type);
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/* Return zero; by default, types are passed by value at the language
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level. The target ABI may pass or return some structs by reference
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independent of this. */
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int default_pass_by_reference (struct type *type);
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||
|
||
#endif /* defined (LANGUAGE_H) */
|