aboutsummaryrefslogtreecommitdiff
path: root/gdb/language.h
diff options
context:
space:
mode:
authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/language.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
downloadgdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip
gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz
gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2
Initial creation of sourceware repository
Diffstat (limited to 'gdb/language.h')
-rw-r--r--gdb/language.h439
1 files changed, 0 insertions, 439 deletions
diff --git a/gdb/language.h b/gdb/language.h
deleted file mode 100644
index e336869..0000000
--- a/gdb/language.h
+++ /dev/null
@@ -1,439 +0,0 @@
-/* Source-language-related definitions for GDB.
- Copyright 1991, 1992 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 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.
-
-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. */
-
-#if !defined (LANGUAGE_H)
-#define LANGUAGE_H 1
-
-#ifdef __STDC__ /* Forward decls for prototypes */
-struct value;
-struct objfile;
-struct expression;
-/* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */
-#endif
-
-/* This used to be included to configure GDB for one or more specific
- languages. Now it is shortcutted to configure for all of them. FIXME. */
-/* #include "lang_def.h" */
-#define _LANG_c
-#define _LANG_m2
-#define _LANG_chill
-#define _LANG_fortran
-
-#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims */
-
-/* range_mode ==
- range_mode_auto: range_check set automatically to default of language.
- range_mode_manual: range_check set manually by user. */
-
-extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
-
-/* range_check ==
- range_check_on: Ranges are checked in GDB expressions, producing errors.
- range_check_warn: Ranges are checked, producing warnings.
- range_check_off: Ranges are not checked in GDB expressions. */
-
-extern enum range_check
- {range_check_off, range_check_warn, range_check_on} range_check;
-
-/* type_mode ==
- type_mode_auto: type_check set automatically to default of language
- type_mode_manual: type_check set manually by user. */
-
-extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
-
-/* type_check ==
- type_check_on: Types are checked in GDB expressions, producing errors.
- type_check_warn: Types are checked, producing warnings.
- type_check_off: Types are not checked in GDB expressions. */
-
-extern enum type_check
- {type_check_off, type_check_warn, type_check_on} type_check;
-
-/* Information for doing language dependent formatting of printed values. */
-
-struct language_format_info
-{
- /* The format that can be passed directly to standard C printf functions
- to generate a completely formatted value in the format appropriate for
- the language. */
-
- char *la_format;
-
- /* The prefix to be used when directly printing a value, or constructing
- a standard C printf format. This generally is everything up to the
- conversion specification (the part introduced by the '%' character
- and terminated by the conversion specifier character). */
-
- char *la_format_prefix;
-
- /* The conversion specifier. This is generally everything after the
- field width and precision, typically only a single character such
- as 'o' for octal format or 'x' for hexadecimal format. */
-
- char *la_format_specifier;
-
- /* The suffix to be used when directly printing a value, or constructing
- a standard C printf format. This generally is everything after the
- conversion specification (the part introduced by the '%' character
- and terminated by the conversion specifier character). */
-
- char *la_format_suffix; /* Suffix for custom format string */
-};
-
-/* Structure tying together assorted information about a language. */
-
-struct language_defn
-{
- /* Name of the language */
-
- char *la_name;
-
- /* its symtab language-enum (defs.h) */
-
- enum language la_language;
-
- /* Its builtin types. This is a vector ended by a NULL pointer. These
- types can be specified by name in parsing types in expressions,
- regardless of whether the program being debugged actually defines
- such a type. */
-
- struct type ** const *la_builtin_type_vector;
-
- /* Default range checking */
-
- enum range_check la_range_check;
-
- /* Default type checking */
-
- enum type_check la_type_check;
-
- /* Parser function. */
-
- int (*la_parser) PARAMS((void));
-
- /* Parser error function */
-
- void (*la_error) PARAMS ((char *));
-
- /* Evaluate an expression. */
- struct value * (*evaluate_exp) PARAMS ((struct type *, struct expression *,
- int *, enum noside));
-
- void (*la_printchar) PARAMS ((int ch, GDB_FILE *stream));
-
- void (*la_printstr) PARAMS ((GDB_FILE *stream, char *string,
- unsigned int length, int width,
- int force_ellipses));
-
- void (*la_emitchar) PARAMS ((int ch, GDB_FILE *stream, int quoter));
-
- struct type *(*la_fund_type) PARAMS ((struct objfile *, int));
-
- /* Print a type using syntax appropriate for this language. */
-
- void (*la_print_type) PARAMS ((struct type *, char *, GDB_FILE *, int, int));
-
- /* Print a value using syntax appropriate for this language. */
-
- int (*la_val_print) PARAMS ((struct type *, char *, int, CORE_ADDR, GDB_FILE *,
- int, int, int, enum val_prettyprint));
-
- /* Print a top-level value using syntax appropriate for this language. */
-
- int (*la_value_print) PARAMS ((struct value *, GDB_FILE *,
- int, enum val_prettyprint));
-
- /* Base 2 (binary) formats. */
-
- struct language_format_info la_binary_format;
-
- /* Base 8 (octal) formats. */
-
- struct language_format_info la_octal_format;
-
- /* Base 10 (decimal) formats */
-
- struct language_format_info la_decimal_format;
-
- /* Base 16 (hexadecimal) formats */
-
- struct language_format_info la_hex_format;
-
- /* Table for printing expressions */
-
- const struct op_print *la_op_print_tab;
-
- /* Zero if the language has first-class arrays. True if there are no
- array values, and array objects decay to pointers, as in C. */
-
- char c_style_arrays;
-
- /* Index to use for extracting the first element of a string. */
- char string_lower_bound;
-
- /* Type of elements of strings. */
- struct type **string_char_type;
-
- /* Add fields above this point, so the magic number is always last. */
- /* Magic number for compat checking */
-
- long la_magic;
-
-};
-
-#define LANG_MAGIC 910823L
-
-/* Pointer to the language_defn for our current language. This pointer
- always points to *some* valid struct; it can be used without checking
- it for validity.
-
- The current language affects expression parsing and evaluation
- (FIXME: it might be cleaner to make the evaluation-related stuff
- separate exp_opcodes for each different set of semantics. We
- should at least think this through more clearly with respect to
- what happens if the language is changed between parsing and
- evaluation) and printing of things like types and arrays. It does
- *not* affect symbol-reading-- each source file in a symbol-file has
- its own language and we should keep track of that regardless of the
- language when symbols are read. If we want some manual setting for
- the language of symbol files (e.g. detecting when ".c" files are
- C++), it should be a seprate setting from the current_language. */
-
-extern const struct language_defn *current_language;
-
-/* Pointer to the language_defn expected by the user, e.g. the language
- of main(), or the language we last mentioned in a message, or C. */
-
-extern const struct language_defn *expected_language;
-
-/* language_mode ==
- language_mode_auto: current_language automatically set upon selection
- of scope (e.g. stack frame)
- language_mode_manual: current_language set only by user. */
-
-extern enum language_mode
- {language_mode_auto, language_mode_manual} language_mode;
-
-/* These macros define the behaviour of the expression
- evaluator. */
-
-/* Should we strictly type check expressions? */
-#define STRICT_TYPE (type_check != type_check_off)
-
-/* Should we range check values against the domain of their type? */
-#define RANGE_CHECK (range_check != range_check_off)
-
-/* "cast" really means conversion */
-/* FIXME -- should be a setting in language_defn */
-#define CAST_IS_CONVERSION (current_language->la_language == language_c || \
- current_language->la_language == language_cplus)
-
-extern void
-language_info PARAMS ((int));
-
-extern enum language
-set_language PARAMS ((enum language));
-
-
-/* This page contains functions that return things that are
- specific to languages. Each of these functions is based on
- the current setting of working_lang, which the user sets
- with the "set language" command. */
-
-#define create_fundamental_type(objfile,typeid) \
- (current_language->la_fund_type(objfile, typeid))
-
-#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
- (current_language->la_print_type(type,varstring,stream,show,level))
-
-#define LA_VAL_PRINT(type,valaddr,offset,addr,stream,fmt,deref,recurse,pretty) \
- (current_language->la_val_print(type,valaddr,offset,addr,stream,fmt,deref, \
- recurse,pretty))
-#define LA_VALUE_PRINT(val,stream,fmt,pretty) \
- (current_language->la_value_print(val,stream,fmt,pretty))
-
-/* Return a format string for printf that will print a number in one of
- the local (language-specific) formats. Result is static and is
- overwritten by the next call. Takes printf options like "08" or "l"
- (to produce e.g. %08x or %lx). */
-
-#define local_binary_format() \
- (current_language->la_binary_format.la_format)
-#define local_binary_format_prefix() \
- (current_language->la_binary_format.la_format_prefix)
-#define local_binary_format_specifier() \
- (current_language->la_binary_format.la_format_specifier)
-#define local_binary_format_suffix() \
- (current_language->la_binary_format.la_format_suffix)
-
-#define local_octal_format() \
- (current_language->la_octal_format.la_format)
-#define local_octal_format_prefix() \
- (current_language->la_octal_format.la_format_prefix)
-#define local_octal_format_specifier() \
- (current_language->la_octal_format.la_format_specifier)
-#define local_octal_format_suffix() \
- (current_language->la_octal_format.la_format_suffix)
-
-#define local_decimal_format() \
- (current_language->la_decimal_format.la_format)
-#define local_decimal_format_prefix() \
- (current_language->la_decimal_format.la_format_prefix)
-#define local_decimal_format_specifier() \
- (current_language->la_decimal_format.la_format_specifier)
-#define local_decimal_format_suffix() \
- (current_language->la_decimal_format.la_format_suffix)
-
-#define local_hex_format() \
- (current_language->la_hex_format.la_format)
-#define local_hex_format_prefix() \
- (current_language->la_hex_format.la_format_prefix)
-#define local_hex_format_specifier() \
- (current_language->la_hex_format.la_format_specifier)
-#define local_hex_format_suffix() \
- (current_language->la_hex_format.la_format_suffix)
-
-#define LA_PRINT_CHAR(ch, stream) \
- (current_language->la_printchar(ch, stream))
-#define LA_PRINT_STRING(stream, string, length, width, force_ellipses) \
- (current_language->la_printstr(stream, string, length, width, force_ellipses))
-#define LA_EMIT_CHAR(ch, stream, quoter) \
- (current_language->la_emitchar(ch, stream, quoter))
-
-/* Test a character to decide whether it can be printed in literal form
- or needs to be printed in another representation. For example,
- in C the literal form of the character with octal value 141 is 'a'
- and the "other representation" is '\141'. The "other representation"
- is program language dependent. */
-
-#define PRINT_LITERAL_FORM(c) \
- ((c) >= 0x20 \
- && ((c) < 0x7F || (c) >= 0xA0) \
- && (!sevenbit_strings || (c) < 0x80))
-
-/* Return a format string for printf that will print a number in one of
- the local (language-specific) formats. Result is static and is
- overwritten by the next call. Takes printf options like "08" or "l"
- (to produce e.g. %08x or %lx). */
-
-extern char *
-local_decimal_format_custom PARAMS ((char *)); /* language.c */
-
-extern char *
-local_octal_format_custom PARAMS ((char *)); /* language.c */
-
-extern char *
-local_hex_format_custom PARAMS ((char *)); /* language.c */
-
-/* Return a string that contains a number formatted in one of the local
- (language-specific) formats. Result is static and is overwritten by
- the next call. Takes printf options like "08" or "l". */
-
-extern char *
-local_hex_string PARAMS ((unsigned long)); /* language.c */
-
-extern char *
-local_hex_string_custom PARAMS ((unsigned long, char *)); /* language.c */
-
-/* Type predicates */
-
-extern int
-simple_type PARAMS ((struct type *));
-
-extern int
-ordered_type PARAMS ((struct type *));
-
-extern int
-same_type PARAMS ((struct type *, struct type *));
-
-extern int
-integral_type PARAMS ((struct type *));
-
-extern int
-numeric_type PARAMS ((struct type *));
-
-extern int
-character_type PARAMS ((struct type *));
-
-extern int
-boolean_type PARAMS ((struct type *));
-
-extern int
-float_type PARAMS ((struct type *));
-
-extern int
-pointer_type PARAMS ((struct type *));
-
-extern int
-structured_type PARAMS ((struct type *));
-
-/* Checks Binary and Unary operations for semantic type correctness */
-/* FIXME: Does not appear to be used */
-#define unop_type_check(v,o) binop_type_check((v),NULL,(o))
-
-extern void
-binop_type_check PARAMS ((struct value *, struct value *, int));
-
-/* Error messages */
-
-extern void
-op_error PARAMS ((char *fmt, enum exp_opcode, int));
-
-#define type_op_error(f,o) \
- op_error((f),(o),type_check==type_check_on ? 1 : 0)
-#define range_op_error(f,o) \
- op_error((f),(o),range_check==range_check_on ? 1 : 0)
-
-extern void
-type_error PARAMS ((char *, ...))
- ATTR_FORMAT(printf, 1, 2);
-
-void
-range_error PARAMS ((char *, ...))
- ATTR_FORMAT(printf, 1, 2);
-
-/* Data: Does this value represent "truth" to the current language? */
-
-extern int
-value_true PARAMS ((struct value *));
-
-extern struct type * lang_bool_type PARAMS ((void));
-
-/* The type used for Boolean values in the current language. */
-#define LA_BOOL_TYPE lang_bool_type ()
-
-/* Misc: The string representing a particular enum language. */
-
-extern const struct language_defn *
-language_def PARAMS ((enum language));
-
-extern char *
-language_str PARAMS ((enum language));
-
-/* Add a language to the set known by GDB (at initialization time). */
-
-extern void
-add_language PARAMS ((const struct language_defn *));
-
-extern enum language
-get_frame_language PARAMS ((void)); /* In stack.c */
-
-#endif /* defined (LANGUAGE_H) */