* config/tc-hppa.c (pa_ip): Add args q, %, and |.

[deliverable/binutils-gdb.git] / gdb / language.h

diff --git a/gdb/language.h b/gdb/language.h
index ac32290cb741bcf910f64cbf406813f8fb0fe89b..0ead9f8dba9716bca88780ace4b3908b000efebf 100644 (file)
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -3,29 +3,31 @@
    Contributed by the Department of Computer Science at the State University
    of New York at Buffalo.
 
    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.  */

 
 #if !defined (LANGUAGE_H)
 #define LANGUAGE_H 1
 
 
 #if !defined (LANGUAGE_H)
 #define LANGUAGE_H 1
 

-#ifdef __STDC__                /* Forward decls for prototypes */
+#ifdef __STDC__                        /* Forward decls for prototypes */

 struct value;
 struct objfile;
 struct value;
 struct objfile;

-/* enum exp_opcode;    ANSI's `wisdom' didn't include forward enum decls. */
+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
 #endif
 
 /* This used to be included to configure GDB for one or more specific


@@ -34,12 +36,19 @@ struct objfile;
 #define        _LANG_c
 #define        _LANG_m2
 #define        _LANG_chill
 #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.  */
 
 
 /* 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;
+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 ==
    range_check_on:    Ranges are checked in GDB expressions, producing errors.


@@ -47,13 +56,20 @@ extern enum range_mode {range_mode_auto, range_mode_manual} range_mode;
    range_check_off:   Ranges are not checked in GDB expressions.  */
 
 extern enum range_check
    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;
+  {
+    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. */
 
 
 /* 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;
+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 ==
    type_check_on:    Types are checked in GDB expressions, producing errors.


@@ -61,131 +77,160 @@ extern enum type_mode {type_mode_auto, type_mode_manual} type_mode;
    type_check_off:   Types are not checked in GDB expressions.  */
 
 extern enum type_check
    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;
+  {
+    type_check_off, type_check_warn, type_check_on
+  }
+type_check;

 \f
 /* Information for doing language dependent formatting of printed values. */
 
 struct language_format_info
 \f
 /* 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. */
+  {
+    /* 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;
+    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). */
+    /* 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;
+    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. */
+    /* 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;
+    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). */
+    /* 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 */
-};
+    char *la_format_suffix;    /* Suffix for custom format string */
+  };

 
 /* Structure tying together assorted information about a language.  */
 
 struct language_defn
 
 /* Structure tying together assorted information about a language.  */
 
 struct language_defn

-{
-  /* Name of the language */
-  
-  char *la_name;
+  {
+    /* Name of the language */
+
+    char *la_name;
+
+    /* its symtab language-enum (defs.h) */

 
 

-  /* its symtab language-enum (defs.h) */
+    enum language la_language;

 
 

-  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.  */

 
 

-  /* Its builtin types */
+    struct type **const *la_builtin_type_vector;

 
 

-  struct type ** const *la_builtin_type_vector;
+    /* Default range checking */

 
 

-  /* Default range checking */
+    enum range_check la_range_check;

 
 

-  enum range_check la_range_check;
+    /* Default type checking */

 
 

-  /* Default type checking */
+    enum type_check la_type_check;

 
 

-  enum type_check la_type_check;
+    /* Parser function. */

 
 

-  /* Parser function. */
-  
-  int (*la_parser) PARAMS((void));
+    int (*la_parser) PARAMS ((void));

 
 

-  /* Parser error function */
+    /* Parser error function */

 
 

-  void (*la_error) PARAMS ((char *));
+    void (*la_error) PARAMS ((char *));

 
 

-  void (*la_printchar) PARAMS ((int, FILE *));
+    /* Evaluate an expression. */
+    struct value *(*evaluate_exp) PARAMS ((struct type *, struct expression *,
+                                          int *, enum noside));

 
 

-  void (*la_printstr) PARAMS ((FILE *, char *, unsigned int, int));
+    void (*la_printchar) PARAMS ((int ch, GDB_FILE * stream));

 
 

-  struct type *(*la_fund_type) PARAMS ((struct objfile *, int));
+    void (*la_printstr) PARAMS ((GDB_FILE * stream, char *string,
+                                unsigned int length, int width,
+                                int force_ellipses));

 
 

-  /* Print a type using syntax appropriate for this language. */
+    void (*la_emitchar) PARAMS ((int ch, GDB_FILE * stream, int quoter));

 
 

-  void (*la_print_type) PARAMS ((struct type *, char *, FILE *, int, int));
+    struct type *(*la_fund_type) PARAMS ((struct objfile *, int));

 
 

-  /* Print a value using syntax appropriate for this language. */
+    /* Print a type using syntax appropriate for this language. */

 
 

-  int (*la_val_print) PARAMS ((struct type *, char *,  CORE_ADDR, FILE *,
-                              int, int, int, enum val_prettyprint));
+    void (*la_print_type) PARAMS ((struct type *, char *, GDB_FILE *, int, int));

 
 

-  /* Longest signed integral type */
+    /* Print a value using syntax appropriate for this language. */

 
 

-  struct type **la_longest_int;
+    int (*la_val_print) PARAMS ((struct type *, char *, int, CORE_ADDR, GDB_FILE *,
+                                int, int, int, enum val_prettyprint));

 
 

-  /* Longest unsigned integral type */
+    /* Print a top-level value using syntax appropriate for this language. */

 
 

-  struct type **la_longest_unsigned_int;
+    int (*la_value_print) PARAMS ((struct value *, GDB_FILE *,
+                                  int, enum val_prettyprint));

 
 

-  /* Longest floating point type */
+    /* Base 2 (binary) formats. */

 
 

-  struct type **la_longest_float;
+    struct language_format_info la_binary_format;

 
 

-  /* Base 2 (binary) formats. */
+    /* Base 8 (octal) formats. */

 
 

-  struct language_format_info la_binary_format;
+    struct language_format_info la_octal_format;

 
 

-  /* Base 8 (octal) formats. */
+    /* Base 10 (decimal) formats */

 
 

-  struct language_format_info la_octal_format;
+    struct language_format_info la_decimal_format;

 
 

-  /* Base 10 (decimal) formats */
+    /* Base 16 (hexadecimal) formats */

 
 

-  struct language_format_info la_decimal_format;
+    struct language_format_info la_hex_format;

 
 

-  /* Base 16 (hexadecimal) formats */
+    /* Table for printing expressions */

 
 

-  struct language_format_info la_hex_format;
+    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. */

 
 

-  /* Table for printing expressions */
+    char c_style_arrays;

 
 

-  const struct op_print *la_op_print_tab;
+    /* Index to use for extracting the first element of a string. */
+    char string_lower_bound;

 
 

-  /* Add fields above this point, so the magic number is always last. */
-  /* Magic number for compat checking */
+    /* Type of elements of strings. */
+    struct type **string_char_type;

 
 

-  long la_magic;
+    /* 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
 
 #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.  */
+   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;
 
 
 extern const struct language_defn *current_language;
 


@@ -196,11 +241,14 @@ extern const struct language_defn *expected_language;
 
 /* language_mode == 
    language_mode_auto:   current_language automatically set upon selection
 
 /* language_mode == 
    language_mode_auto:   current_language automatically set upon selection

-                        of scope (e.g. stack frame)
+   of scope (e.g. stack frame)

    language_mode_manual: current_language set only by user.  */
 
 extern enum language_mode
    language_mode_manual: current_language set only by user.  */
 
 extern enum language_mode

-  {language_mode_auto, language_mode_manual} language_mode;
+  {
+    language_mode_auto, language_mode_manual
+  }
+language_mode;

 \f
 /* These macros define the behaviour of the expression 
    evaluator.  */
 \f
 /* These macros define the behaviour of the expression 
    evaluator.  */


@@ -219,29 +267,26 @@ extern enum language_mode
 extern void
 language_info PARAMS ((int));
 
 extern void
 language_info PARAMS ((int));
 

-extern void
+extern enum language

 set_language PARAMS ((enum language));
 set_language PARAMS ((enum language));

-

 \f
 \f

+

 /* 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. */
 
 /* 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. */
 

-/* Returns some built-in types */
-#define        longest_int()           (*current_language->la_longest_int)
-#define        longest_unsigned_int()  (*current_language->la_longest_unsigned_int)
-#define        longest_float()         (*current_language->la_longest_float)
-

 #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 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,addr,stream,fmt,deref,recurse,pretty) \
-  (current_language->la_val_print(type,valaddr,addr,stream,fmt,deref, \
+#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))
                                  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
 
 /* Return a format string for printf that will print a number in one of
    the local (language-specific) formats.  Result is static and is


@@ -286,8 +331,10 @@ set_language PARAMS ((enum language));
 
 #define LA_PRINT_CHAR(ch, stream) \
   (current_language->la_printchar(ch, stream))
 
 #define LA_PRINT_CHAR(ch, stream) \
   (current_language->la_printchar(ch, stream))

-#define LA_PRINT_STRING(stream, string, length, force_ellipses) \
-  (current_language->la_printstr(stream, string, length, force_ellipses))
+#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,
 
 /* Test a character to decide whether it can be printed in literal form
    or needs to be printed in another representation.  For example,


@@ -295,8 +342,10 @@ set_language PARAMS ((enum language));
    and the "other representation" is '\141'.  The "other representation"
    is program language dependent. */
 
    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))
+#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
 
 /* Return a format string for printf that will print a number in one of
    the local (language-specific) formats.  Result is static and is


@@ -304,29 +353,23 @@ set_language PARAMS ((enum language));
    (to produce e.g. %08x or %lx).  */
 
 extern char *
    (to produce e.g. %08x or %lx).  */
 
 extern char *

-local_decimal_format_custom PARAMS ((char *)); /* language.c */
+  local_decimal_format_custom PARAMS ((char *));       /* language.c */

 
 extern char *
 
 extern char *

-local_octal_format_custom PARAMS ((char *));   /* language.c */
+  local_octal_format_custom PARAMS ((char *)); /* language.c */

 
 extern char *
 
 extern char *

-local_hex_format_custom PARAMS ((char *));     /* language.c */
+  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 *
 
 /* 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_octal_string PARAMS ((int));             /* language.c */
-
-extern char *
-local_octal_string_custom PARAMS ((int, char *));/* language.c */
-
-extern char *
-local_hex_string PARAMS ((int));               /* language.c */
+  local_hex_string PARAMS ((unsigned long));   /* language.c */

 
 extern char *
 
 extern char *

-local_hex_string_custom PARAMS ((int, char *));        /* language.c */
+  local_hex_string_custom PARAMS ((unsigned long, char *));    /* language.c */

 
 /* Type predicates */
 
 
 /* Type predicates */
 


@@ -378,30 +421,38 @@ op_error PARAMS ((char *fmt, enum exp_opcode, int));
    op_error((f),(o),range_check==range_check_on ? 1 : 0)
 
 extern void
    op_error((f),(o),range_check==range_check_on ? 1 : 0)
 
 extern void

-type_error ();
+  type_error
+PARAMS ((char *,...))
+ATTR_FORMAT (printf, 1, 2);

 
 

-void
-range_error ();
+     void
+     range_error PARAMS ((char *,...))
+  ATTR_FORMAT (printf, 1, 2);

 
 /* Data:  Does this value represent "truth" to the current language?  */
 
 
 /* Data:  Does this value represent "truth" to the current language?  */
 

-extern int
-value_true PARAMS ((struct value *));
+     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.  */
 
 
 /* Misc:  The string representing a particular enum language.  */
 

-extern const struct language_defn *
-language_def PARAMS ((enum language));
+     extern enum language language_enum PARAMS ((char *str));

 
 

-extern char *
-language_str PARAMS ((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).  */
 
 
 /* Add a language to the set known by GDB (at initialization time).  */
 

-extern void
-add_language PARAMS ((const struct language_defn *));
+     extern void
+     add_language PARAMS ((const struct language_defn *));

 
 

-extern enum language
-get_frame_language PARAMS ((void));            /* In stack.c */
+     extern enum language
+     get_frame_language PARAMS ((void));       /* In stack.c */

 
 

-#endif /* defined (LANGUAGE_H) */
+#endif /* defined (LANGUAGE_H) */