/* Source-language-related definitions for GDB.
- Copyright (C) 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003, 2004,
- 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1991-1995, 1998-2000, 2003-2004, 2007-2012 Free
+ Software Foundation, Inc.
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
#if !defined (LANGUAGE_H)
#define LANGUAGE_H 1
-/* Forward decls for prototypes */
+/* Forward decls for prototypes. */
struct value;
struct objfile;
struct frame_info;
struct ui_file;
struct value_print_options;
-#define MAX_FORTRAN_DIMS 7 /* Maximum number of F77 array dims */
+#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_check;
/* type_mode ==
- type_mode_auto: type_check set automatically to default of language
- type_mode_manual: type_check set manually by user. */
+ 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_check;
/* case_mode ==
- case_mode_auto: case_sensitivity set upon selection of scope
+ case_mode_auto: case_sensitivity set upon selection of scope.
case_mode_manual: case_sensitivity set only by user. */
extern enum case_mode
case_mode;
/* array_ordering ==
- array_row_major: Arrays are in row major order
- array_column_major: Arrays are in column major order.*/
+ array_row_major: Arrays are in row major order.
+ array_column_major: Arrays are in column major order. */
extern enum array_ordering
{
/* case_sensitivity ==
- case_sensitive_on: Case sensitivity in name matching is used
- case_sensitive_off: Case sensitivity in name matching is not used */
+ case_sensitive_on: Case sensitivity in name matching is used.
+ case_sensitive_off: Case sensitivity in name matching is not used. */
extern enum case_sensitivity
{
/* macro_expansion ==
- macro_expansion_no: No macro expansion is available
- macro_expansion_c: C-like macro expansion is available */
+ macro_expansion_no: No macro expansion is available.
+ macro_expansion_c: C-like macro expansion is available. */
enum macro_expansion
{
expressions, regardless of whether the program being debugged
actually defines such a type. */
struct type **primitive_type_vector;
- /* Type of elements of strings. */
+ /* Type of elements of strings. */
struct type *string_char_type;
/* Symbol name of type to use as boolean type, if defined. */
struct type *bool_type_default;
};
+/* A pointer to a function expected to return nonzero if
+ SYMBOL_SEARCH_NAME matches the given LOOKUP_NAME.
+
+ SYMBOL_SEARCH_NAME should be a symbol's "search" name.
+ LOOKUP_NAME should be the name of an entity after it has been
+ transformed for lookup. */
+
+typedef int (*symbol_name_cmp_ftype) (const char *symbol_search_name,
+ const char *lookup_name);
+
/* Structure tying together assorted information about a language. */
struct language_defn
{
- /* Name of the language */
+ /* Name of the language. */
char *la_name;
- /* its symtab language-enum (defs.h) */
+ /* its symtab language-enum (defs.h). */
enum language la_language;
- /* Default range checking */
+ /* Default range checking. */
enum range_check la_range_check;
- /* Default type checking */
+ /* Default type checking. */
enum type_check la_type_check;
- /* Default case sensitivity */
+ /* Default case sensitivity. */
enum case_sensitivity la_case_sensitivity;
- /* Multi-dimensional array ordering */
+ /* Multi-dimensional array ordering. */
enum array_ordering la_array_ordering;
/* Style of macro expansion, if any, supported by this language. */
enum macro_expansion la_macro_expansion;
/* Definitions related to expression printing, prefixifying, and
- dumping */
+ dumping. */
const struct exp_descriptor *la_exp_desc;
- /* Parser function. */
+ /* Parser function. */
int (*la_parser) (void);
- /* Parser error function */
+ /* Parser error function. */
void (*la_error) (char *);
void (*la_post_parser) (struct expression ** expp, int void_context_p);
- void (*la_printchar) (int ch, struct type *chtype, struct ui_file * stream);
+ void (*la_printchar) (int ch, struct type *chtype,
+ struct ui_file * stream);
void (*la_printstr) (struct ui_file * stream, struct type *elttype,
const gdb_byte *string, unsigned int length,
void (*la_emitchar) (int ch, struct type *chtype,
struct ui_file * stream, int quoter);
- /* Print a type using syntax appropriate for this language. */
+ /* Print a type using syntax appropriate for this language. */
- void (*la_print_type) (struct type *, char *, struct ui_file *, int,
+ void (*la_print_type) (struct type *, const char *, struct ui_file *, int,
int);
/* Print a typedef using syntax appropriate for this language.
const gdb_byte *contents,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options);
- /* Print a top-level value using syntax appropriate for this language. */
+ /* Print a top-level value using syntax appropriate for this language. */
- int (*la_value_print) (struct value *, struct ui_file *,
- const struct value_print_options *);
+ void (*la_value_print) (struct value *, struct ui_file *,
+ const struct value_print_options *);
/* PC is possibly an unknown languages trampoline.
If that PC falls in a trampoline belonging to this language,
/* Return class name of a mangled method name or NULL. */
char *(*la_class_name_from_physname) (const char *physname);
- /* Table for printing expressions */
+ /* 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. */
+ 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. */
+ /* Index to use for extracting the first element of a string. */
char string_lower_bound;
/* The list of characters forming word boundaries. */
void (*la_get_string) (struct value *value, gdb_byte **buffer, int *length,
struct type **chartype, const char **charset);
- /* Add fields above this point, so the magic number is always last. */
- /* Magic number for compat checking */
+ /* Return a pointer to the function that should be used to match
+ a symbol name against LOOKUP_NAME. This is mostly for languages
+ such as Ada where the matching algorithm depends on LOOKUP_NAME.
+
+ This field may be NULL, in which case strcmp_iw will be used
+ to perform the matching. */
+ symbol_name_cmp_ftype (*la_get_symbol_name_cmp) (const char *lookup_name);
+
+ /* Find all symbols in the current program space matching NAME in
+ DOMAIN, according to this language's rules.
+
+ The search starts with BLOCK. This function iterates upward
+ through blocks. When the outermost block has been finished,
+ the function returns.
+
+ For each one, call CALLBACK with the symbol and the DATA
+ argument. If CALLBACK returns zero, the iteration ends at that
+ point.
+
+ This field may not be NULL. If the language does not need any
+ special processing here, 'iterate_over_symbols' should be
+ used as the definition. */
+ void (*la_iterate_over_symbols) (const struct block *block,
+ const char *name,
+ domain_enum domain,
+ symbol_found_callback_ftype *callback,
+ void *data);
+
+ /* Add fields above this point, so the magic number is always last. */
+ /* Magic number for compat checking. */
long la_magic;
/* These macros define the behaviour of the expression
evaluator. */
-/* Should we strictly type check expressions? */
+/* 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? */
+/* 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 */
+/* "cast" really means conversion. */
+/* FIXME -- should be a setting in language_defn. */
#define CAST_IS_CONVERSION(LANG) ((LANG)->la_language == language_c || \
(LANG)->la_language == language_cplus || \
(LANG)->la_language == language_objc)
/* 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. */
+ with the "set language" command. */
#define LA_PRINT_TYPE(type,varstring,stream,show,level) \
(current_language->la_print_type(type,varstring,stream,show,level))
#define LA_PRINT_TYPEDEF(type,new_symbol,stream) \
(current_language->la_print_typedef(type,new_symbol,stream))
-#define LA_VAL_PRINT(type,valaddr,offset,addr,stream,recurse,options) \
+#define LA_VAL_PRINT(type,valaddr,offset,addr,stream,val,recurse,options) \
(current_language->la_val_print(type,valaddr,offset,addr,stream, \
- recurse,options))
+ val,recurse,options))
#define LA_VALUE_PRINT(val,stream,options) \
(current_language->la_value_print(val,stream,options))
#define LA_PRINT_CHAR(ch, type, stream) \
(current_language->la_printchar(ch, type, stream))
-#define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses,options) \
+#define LA_PRINT_STRING(stream, elttype, string, length, encoding, force_ellipses, options) \
(current_language->la_printstr(stream, elttype, string, length, \
encoding, force_ellipses,options))
#define LA_EMIT_CHAR(ch, type, stream, quoter) \
#define LA_GET_STRING(value, buffer, length, chartype, encoding) \
(current_language->la_get_string(value, buffer, length, chartype, encoding))
-#define LA_PRINT_ARRAY_INDEX(index_value, stream, optins) \
+#define LA_PRINT_ARRAY_INDEX(index_value, stream, options) \
(current_language->la_print_array_index(index_value, stream, options))
+#define LA_ITERATE_OVER_SYMBOLS(BLOCK, NAME, DOMAIN, CALLBACK, DATA) \
+ (current_language->la_iterate_over_symbols (BLOCK, NAME, DOMAIN, CALLBACK, \
+ DATA))
+
/* 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. */
+ is program language dependent. */
#define PRINT_LITERAL_FORM(c) \
((c) >= 0x20 \
/* Type predicates */
-extern int simple_type (struct type *);
-
-extern int ordered_type (struct type *);
-
-extern int same_type (struct type *, struct type *);
-
-extern int integral_type (struct type *);
-
-extern int numeric_type (struct type *);
-
-extern int character_type (struct type *);
-
-extern int boolean_type (struct type *);
-
-extern int float_type (struct type *);
-
extern int pointer_type (struct type *);
-extern int structured_type (struct type *);
-
-/* Checks Binary and Unary operations for semantic type correctness */
-/* FIXME: Does not appear to be used */
+/* 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 (struct value *, struct value *, int);
extern enum language get_frame_language (void); /* In stack.c */
-/* Check for a language-specific trampoline. */
+/* Check for a language-specific trampoline. */
extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc);
projects / binutils.git / blobdiff