X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Flanguage.h;h=1639d4cf662cf94c6afc88687c13709934764829;hb=9b254dd1ce46c19dde1dde5b8d1e22e862dfacce;hp=f55c9f0a2f995ec379336e03d74b09c86a757e1a;hpb=da3331ec167849ef6216f35565ba014bbae55ee3;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/language.h b/gdb/language.h index f55c9f0a2f..1639d4cf66 100644 --- a/gdb/language.h +++ b/gdb/language.h @@ -1,7 +1,7 @@ /* Source-language-related definitions for GDB. - Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003 Free - Software Foundation, Inc. + Copyright (C) 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2003, 2004, + 2007, 2008 Free Software Foundation, Inc. Contributed by the Department of Computer Science at the State University of New York at Buffalo. @@ -10,7 +10,7 @@ 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -19,9 +19,7 @@ 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. */ + along with this program. If not, see . */ #if !defined (LANGUAGE_H) #define LANGUAGE_H 1 @@ -29,11 +27,10 @@ /* Forward decls for prototypes */ struct value; struct objfile; +struct frame_info; struct expression; struct ui_file; -/* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */ - /* This used to be included to configure GDB for one or more specific languages. Now it is left out to configure for all of them. FIXME. */ /* #include "lang_def.h" */ @@ -96,6 +93,17 @@ 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.*/ + +extern enum array_ordering + { + array_row_major, array_column_major + } +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 */ @@ -106,36 +114,18 @@ extern enum case_sensitivity } case_sensitivity; -/* 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 */ - }; +/* Per architecture (OS/ABI) language information. */ + +struct language_arch_info +{ + /* Its primitive 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 **primitive_type_vector; + /* Type of elements of strings. */ + struct type *string_char_type; +}; /* Structure tying together assorted information about a language. */ @@ -149,13 +139,6 @@ struct language_defn 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; @@ -167,6 +150,14 @@ struct language_defn /* Default case sensitivity */ enum case_sensitivity la_case_sensitivity; + /* Multi-dimensional array ordering */ + enum array_ordering la_array_ordering; + + /* Definitions related to expression printing, prefixifying, and + dumping */ + + const struct exp_descriptor *la_exp_desc; + /* Parser function. */ int (*la_parser) (void); @@ -175,20 +166,22 @@ struct language_defn void (*la_error) (char *); - /* Evaluate an expression. */ - struct value *(*evaluate_exp) (struct type *, struct expression *, - int *, enum noside); + /* Given an expression *EXPP created by prefixifying the result of + la_parser, perform any remaining processing necessary to complete + its translation. *EXPP may change; la_post_parser is responsible + for releasing its previous contents, if necessary. If + VOID_CONTEXT_P, then no value is expected from the expression. */ + + void (*la_post_parser) (struct expression ** expp, int void_context_p); void (*la_printchar) (int ch, struct ui_file * stream); - void (*la_printstr) (struct ui_file * stream, char *string, + void (*la_printstr) (struct ui_file * stream, const gdb_byte *string, unsigned int length, int width, int force_ellipses); void (*la_emitchar) (int ch, struct ui_file * stream, int quoter); - struct type *(*la_fund_type) (struct objfile *, int); - /* Print a type using syntax appropriate for this language. */ void (*la_print_type) (struct type *, char *, struct ui_file *, int, @@ -196,7 +189,7 @@ struct language_defn /* Print a value using syntax appropriate for this language. */ - int (*la_val_print) (struct type *, char *, int, CORE_ADDR, + int (*la_val_print) (struct type *, const gdb_byte *, int, CORE_ADDR, struct ui_file *, int, int, int, enum val_prettyprint); @@ -209,26 +202,37 @@ struct language_defn If that PC falls in a trampoline belonging to this language, return the address of the first pc in the real function, or 0 if it isn't a language tramp for this language. */ - CORE_ADDR (*skip_trampoline) (CORE_ADDR pc); + CORE_ADDR (*skip_trampoline) (struct frame_info *, CORE_ADDR); - /* Return demangled language symbol, or NULL. */ - char *(*la_demangle) (const char *mangled, int options); + /* Now come some hooks for lookup_symbol. */ - /* Base 2 (binary) formats. */ + /* If this is non-NULL, lookup_symbol will do the 'field_of_this' + check, using this function to find the value of this. */ - struct language_format_info la_binary_format; + /* FIXME: carlton/2003-05-19: Audit all the language_defn structs + to make sure we're setting this appropriately: I'm sure it + could be NULL in more languages. */ - /* Base 8 (octal) formats. */ + struct value *(*la_value_of_this) (int complain); - struct language_format_info la_octal_format; + /* This is a function that lookup_symbol will call when it gets to + the part of symbol lookup where C looks up static and global + variables. */ - /* Base 10 (decimal) formats */ + struct symbol *(*la_lookup_symbol_nonlocal) (const char *, + const char *, + const struct block *, + const domain_enum, + struct symtab **); - struct language_format_info la_decimal_format; + /* Find the definition of the type with the given name. */ + struct type *(*la_lookup_transparent_type) (const char *); - /* Base 16 (hexadecimal) formats */ + /* Return demangled language symbol, or NULL. */ + char *(*la_demangle) (const char *mangled, int options); - struct language_format_info la_hex_format; + /* Return class name of a mangled method name or NULL. */ + char *(*la_class_name_from_physname) (const char *physname); /* Table for printing expressions */ @@ -242,8 +246,22 @@ struct language_defn /* 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; + /* The list of characters forming word boundaries. */ + char *(*la_word_break_characters) (void); + + /* The per-architecture (OS/ABI) language information. */ + void (*la_language_arch_info) (struct gdbarch *, + struct language_arch_info *); + + /* Print the index of an element of an array. */ + void (*la_print_array_index) (struct value *index_value, + struct ui_file *stream, + int format, + enum val_prettyprint pretty); + + /* Return non-zero if TYPE should be passed (and returned) by + reference at the language level. */ + int (*la_pass_by_reference) (struct type *type); /* Add fields above this point, so the magic number is always last. */ /* Magic number for compat checking */ @@ -287,6 +305,14 @@ extern enum language_mode language_mode_auto, language_mode_manual } language_mode; + +struct type *language_string_char_type (const struct language_defn *l, + struct gdbarch *gdbarch); + +struct type *language_lookup_primitive_type_by_name (const struct language_defn *l, + struct gdbarch *gdbarch, + const char *name); + /* These macros define the behaviour of the expression evaluator. */ @@ -313,9 +339,6 @@ extern enum language set_language (enum language); 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)) @@ -325,47 +348,6 @@ extern enum language set_language (enum language); #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) \ @@ -373,6 +355,9 @@ extern enum language set_language (enum language); #define LA_EMIT_CHAR(ch, stream, quoter) \ (current_language->la_emitchar(ch, stream, quoter)) +#define LA_PRINT_ARRAY_INDEX(index_value, stream, format, pretty) \ + (current_language->la_print_array_index(index_value, stream, format, pretty)) + /* 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' @@ -384,17 +369,6 @@ extern enum language set_language (enum language); && ((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 (char *); /* language.c */ - -extern char *local_octal_format_custom (char *); /* language.c */ - -extern char *local_hex_format_custom (char *); /* language.c */ - #if 0 /* FIXME: cagney/2000-03-04: This function does not appear to be used. It can be deleted once 5.0 has been released. */ @@ -404,14 +378,6 @@ extern char *local_hex_format_custom (char *); /* language.c */ extern char *longest_raw_hex_string (LONGEST); #endif -/* 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 "08l" or "l". */ - -extern char *local_hex_string (LONGEST); /* language.c */ - -extern char *local_hex_string_custom (LONGEST, char *); /* language.c */ - /* Type predicates */ extern int simple_type (struct type *); @@ -442,13 +408,6 @@ extern void binop_type_check (struct value *, struct value *, int); /* Error messages */ -extern void op_error (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 (const char *, ...) ATTR_FORMAT (printf, 1, 2); extern void range_error (const char *, ...) ATTR_FORMAT (printf, 1, 2); @@ -478,10 +437,32 @@ extern enum language get_frame_language (void); /* In stack.c */ /* Check for a language-specific trampoline. */ -extern CORE_ADDR skip_language_trampoline (CORE_ADDR pc); +extern CORE_ADDR skip_language_trampoline (struct frame_info *, CORE_ADDR pc); /* Return demangled language symbol, or NULL. */ extern char *language_demangle (const struct language_defn *current_language, const char *mangled, int options); +/* Return class name from physname, or NULL. */ +extern char *language_class_name_from_physname (const struct language_defn *, + const char *physname); + +/* Splitting strings into words. */ +extern char *default_word_break_characters (void); + +/* Print the index of an array element using the C99 syntax. */ +extern void default_print_array_index (struct value *index_value, + struct ui_file *stream, + int format, + enum val_prettyprint pretty); + +/* Return non-zero if TYPE should be passed (and returned) by + reference at the language level. */ +int language_pass_by_reference (struct type *type); + +/* Return zero; by default, types are passed by value at the language + level. The target ABI may pass or return some structs by reference + independent of this. */ +int default_pass_by_reference (struct type *type); + #endif /* defined (LANGUAGE_H) */