diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/.Sanitize | 9 | ||||
| -rw-r--r-- | gdb/ChangeLog | 21 | ||||
| -rw-r--r-- | gdb/Makefile.in | 6 | ||||
| -rw-r--r-- | gdb/c-exp.y | 511 | ||||
| -rw-r--r-- | gdb/c-lang.c | 528 | ||||
| -rw-r--r-- | gdb/c-lang.h | 24 | ||||
| -rw-r--r-- | gdb/ch-exp.y | 294 | ||||
| -rw-r--r-- | gdb/ch-lang.c | 306 | ||||
| -rw-r--r-- | gdb/ch-lang.h | 24 | ||||
| -rw-r--r-- | gdb/language.h | 1 | ||||
| -rw-r--r-- | gdb/m2-exp.y | 443 | ||||
| -rw-r--r-- | gdb/m2-lang.c | 456 | ||||
| -rw-r--r-- | gdb/m2-lang.h | 24 |
13 files changed, 1402 insertions, 1245 deletions
diff --git a/gdb/.Sanitize b/gdb/.Sanitize index ad152b8..f0be8cd 100644 --- a/gdb/.Sanitize +++ b/gdb/.Sanitize @@ -16,7 +16,7 @@ Do-first: if ( echo $* | grep keep\-chill > /dev/null ) ; then - keep_these_too="ch-exp.y" + keep_these_too="ch-exp.y ch-lang.c ch-lang.h" fi # All files listed between the "Things-to-keep:" line and the @@ -55,6 +55,8 @@ breakpoint.h buildsym.c buildsym.h c-exp.y +c-lang.c +c-lang.h call-cmds.h coffread.c command.c @@ -129,6 +131,8 @@ kdb-start.c language.c language.h m2-exp.y +m2-lang.c +m2-lang.h m68k-pinsn.c m68k-stub.c m68k-tdep.c @@ -391,6 +395,9 @@ else -e 's/ch-exp.y//g' \ -e 's/ch-exp.tab.c//g' \ -e 's/ch-exp.tab.o//g' \ + -e 's/ch-lang.h//g' \ + -e 's/ch-lang.c//g' \ + -e 's/ch-lang.o//g' \ < Makefile.in > new if [ -n "${safe}" -a ! -f .Recover/Makefile.in ] ; then echo Caching Makefile.in in .Recover... diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 6da61c8..54b28d0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,26 @@ Tue Dec 8 13:30:58 1992 Fred Fish (fnf@cygnus.com) + * c-exp.y, m2-exp.y: Migrate code that has nothing to do with + expression parsing into c-lang.c and m2-lang.c respectively. + * c-lang.c, m2-lang.c: New files, code migrated from c-exp.y and + m2-exp.y respectively. + * c-lang.h, m2-lang.h: New files, internal interfaces between c-* + and m2-* files respectively. + * Makefile.in (SFILES_MAINDIR): Add c-lang.c, m2-lang.c. + * Makefile.in (HFILES): Add c-lang.h, m2-lang.h. + * Makefile.in (OBS): Add c-lang.o, m2-lang.o. + * expression.h (struct block): Forward declaration for prototypes. + * language.h (struct objfile): Forward declaration for prototypes. + **** start-sanitize-chill **** + * Makefile.in (SFILES_MAINDIR): Add ch-lang.c. + * Makefile.in (HFILES): Add ch-lang.h. + * Makefile.in (OBS): Add ch-lang.o. + * ch-exp.y: Migrate code that has nothing to do with expression + parsing into ch-lang.c. + * ch-lang.c: New file, code migrated from c-exp.y. + * ch-lang.h: New file, internal interface between ch-* files. + **** end-sanitize-chill **** + Changes for Amiga Unix from rhealey@ub.d.umn.edu. * config/amix.mh (NAT_FILE): Add, set to nm-sysv4.h. * config/amix.mh (NATDEPFILES): Add. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 7d0cd20..fee05da 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -201,7 +201,7 @@ SFILES_MAINDIR = \ mem-break.c target.c \ dbxread.c coffread.c elfread.c dwarfread.c xcoffread.c stabsread.c \ ieee-float.c language.c parse.c buildsym.c objfiles.c \ - minsyms.c mipsread.c maint.c ch-exp.y + minsyms.c mipsread.c maint.c ch-exp.y c-lang.c ch-lang.c m2-lang.c # Source files in subdirectories (which will be handled separately by # 'make gdb.tar.Z'). @@ -270,7 +270,7 @@ HFILES= breakpoint.h buildsym.h call-cmds.h command.h defs.h \ nm-sun2.h nm-sun3.h nm-sun386.h nm-sun4os4.h nm-trash.h \ nm-ultra3.h nm-hppab.h nm-hppah.h nm-umax.h nm-sysv4.h \ nm-apollo68b.h nm-apollo68v.h nm-vax.h nm-hp300bsd.h \ - nm-hp300hpux.h + nm-hp300hpux.h c-lang.h ch-lang.h m2-lang.h REMOTE_EXAMPLES = m68k-stub.c i386-stub.c sparc-stub.c rem-multi.shar @@ -310,7 +310,7 @@ OBS = version.o main.o blockframe.o breakpoint.o findvar.o stack.o source.o \ ieee-float.o putenv.o parse.o language.o $(YYOBJ) \ buildsym.o objfiles.o minsyms.o maint.o demangle.o \ dbxread.o coffread.o elfread.o dwarfread.o xcoffread.o mipsread.o \ - stabsread.o core.o + stabsread.o core.o c-lang.o ch-lang.o m2-lang.o RAPP_OBS = rgdb.o rudp.o rserial.o serial.o udp.o $(XDEPFILES) diff --git a/gdb/c-exp.y b/gdb/c-exp.y index 25567a7..5274118 100644 --- a/gdb/c-exp.y +++ b/gdb/c-exp.y @@ -36,19 +36,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ %{ -#include <stdio.h> -#include <string.h> #include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "frame.h" #include "expression.h" #include "parser-defs.h" #include "value.h" #include "language.h" -#include "bfd.h" -#include "symfile.h" -#include "objfiles.h" +#include "c-lang.h" /* These MUST be included in any grammar file!!!! Please choose unique names! Note that this are a combined list of variables that can be produced @@ -1508,505 +1501,3 @@ yyerror (msg) { error (msg ? msg : "Invalid syntax in expression."); } - -/* Print the character C on STREAM as part of the contents of a literal - string whose delimiter is QUOTER. Note that that format for printing - characters and strings is language specific. */ - -static void -emit_char (c, stream, quoter) - register int c; - FILE *stream; - int quoter; -{ - - c &= 0xFF; /* Avoid sign bit follies */ - - if (PRINT_LITERAL_FORM (c)) - { - if (c == '\\' || c == quoter) - { - fputs_filtered ("\\", stream); - } - fprintf_filtered (stream, "%c", c); - } - else - { - switch (c) - { - case '\n': - fputs_filtered ("\\n", stream); - break; - case '\b': - fputs_filtered ("\\b", stream); - break; - case '\t': - fputs_filtered ("\\t", stream); - break; - case '\f': - fputs_filtered ("\\f", stream); - break; - case '\r': - fputs_filtered ("\\r", stream); - break; - case '\033': - fputs_filtered ("\\e", stream); - break; - case '\007': - fputs_filtered ("\\a", stream); - break; - default: - fprintf_filtered (stream, "\\%.3o", (unsigned int) c); - break; - } - } -} - -static void -c_printchar (c, stream) - int c; - FILE *stream; -{ - fputs_filtered ("'", stream); - emit_char (c, stream, '\''); - fputs_filtered ("'", stream); -} - -/* Print the character string STRING, printing at most LENGTH characters. - Printing stops early if the number hits print_max; repeat counts - are printed as appropriate. Print ellipses at the end if we - had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ - -static void -c_printstr (stream, string, length, force_ellipses) - FILE *stream; - char *string; - unsigned int length; - int force_ellipses; -{ - register unsigned int i; - unsigned int things_printed = 0; - int in_quotes = 0; - int need_comma = 0; - extern int inspect_it; - extern int repeat_count_threshold; - extern int print_max; - - if (length == 0) - { - fputs_filtered ("\"\"", stdout); - return; - } - - for (i = 0; i < length && things_printed < print_max; ++i) - { - /* Position of the character we are examining - to see whether it is repeated. */ - unsigned int rep1; - /* Number of repetitions we have detected so far. */ - unsigned int reps; - - QUIT; - - if (need_comma) - { - fputs_filtered (", ", stream); - need_comma = 0; - } - - rep1 = i + 1; - reps = 1; - while (rep1 < length && string[rep1] == string[i]) - { - ++rep1; - ++reps; - } - - if (reps > repeat_count_threshold) - { - if (in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\", ", stream); - else - fputs_filtered ("\", ", stream); - in_quotes = 0; - } - c_printchar (string[i], stream); - fprintf_filtered (stream, " <repeats %u times>", reps); - i = rep1 - 1; - things_printed += repeat_count_threshold; - need_comma = 1; - } - else - { - if (!in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\"", stream); - else - fputs_filtered ("\"", stream); - in_quotes = 1; - } - emit_char (string[i], stream, '"'); - ++things_printed; - } - } - - /* Terminate the quotes if necessary. */ - if (in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\"", stream); - else - fputs_filtered ("\"", stream); - } - - if (force_ellipses || i < length) - fputs_filtered ("...", stream); -} - -/* Create a fundamental C type using default reasonable for the current - target machine. - - Some object/debugging file formats (DWARF version 1, COFF, etc) do not - define fundamental types such as "int" or "double". Others (stabs or - DWARF version 2, etc) do define fundamental types. For the formats which - don't provide fundamental types, gdb can create such types using this - function. - - FIXME: Some compilers distinguish explicitly signed integral types - (signed short, signed int, signed long) from "regular" integral types - (short, int, long) in the debugging information. There is some dis- - agreement as to how useful this feature is. In particular, gcc does - not support this. Also, only some debugging formats allow the - distinction to be passed on to a debugger. For now, we always just - use "short", "int", or "long" as the type name, for both the implicit - and explicitly signed types. This also makes life easier for the - gdb test suite since we don't have to account for the differences - in output depending upon what the compiler and debugging format - support. We will probably have to re-examine the issue when gdb - starts taking it's fundamental type information directly from the - debugging information supplied by the compiler. fnf@cygnus.com */ - -static struct type * -c_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register struct type *type = NULL; - register int nbytes; - - switch (typeid) - { - default: - /* FIXME: For now, if we are asked to produce a type not in this - language, create the equivalent of a C integer type with the - name "<?type?>". When all the dust settles from the type - reconstruction work, this should probably become an error. */ - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "<?type?>", objfile); - warning ("internal error: no C/C++ fundamental type %d", typeid); - break; - case FT_VOID: - type = init_type (TYPE_CODE_VOID, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "void", objfile); - break; - case FT_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "char", objfile); - break; - case FT_SIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed char", objfile); - break; - case FT_UNSIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned char", objfile); - break; - case FT_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - 0, "short", objfile); - break; - case FT_SIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ - break; - case FT_UNSIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned short", objfile); - break; - case FT_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "int", objfile); - break; - case FT_SIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned int", objfile); - break; - case FT_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, "long", objfile); - break; - case FT_SIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long", objfile); - break; - case FT_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - 0, "long long", objfile); - break; - case FT_SIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed long long", objfile); - break; - case FT_UNSIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); - break; - case FT_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, "float", objfile); - break; - case FT_DBL_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "double", objfile); - break; - case FT_EXT_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "long double", objfile); - break; - } - return (type); -} - - -/* Table mapping opcodes into strings for printing operators - and precedences of the operators. */ - -const static struct op_print c_op_print_tab[] = - { - {",", BINOP_COMMA, PREC_COMMA, 0}, - {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, - {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, - {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, - {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, - {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, - {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, - {"==", BINOP_EQUAL, PREC_EQUAL, 0}, - {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, - {"<=", BINOP_LEQ, PREC_ORDER, 0}, - {">=", BINOP_GEQ, PREC_ORDER, 0}, - {">", BINOP_GTR, PREC_ORDER, 0}, - {"<", BINOP_LESS, PREC_ORDER, 0}, - {">>", BINOP_RSH, PREC_SHIFT, 0}, - {"<<", BINOP_LSH, PREC_SHIFT, 0}, - {"+", BINOP_ADD, PREC_ADD, 0}, - {"-", BINOP_SUB, PREC_ADD, 0}, - {"*", BINOP_MUL, PREC_MUL, 0}, - {"/", BINOP_DIV, PREC_MUL, 0}, - {"%", BINOP_REM, PREC_MUL, 0}, - {"@", BINOP_REPEAT, PREC_REPEAT, 0}, - {"-", UNOP_NEG, PREC_PREFIX, 0}, - {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, - {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, - {"*", UNOP_IND, PREC_PREFIX, 0}, - {"&", UNOP_ADDR, PREC_PREFIX, 0}, - {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, - {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, - {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, - /* C++ */ - {"::", BINOP_SCOPE, PREC_PREFIX, 0}, - {NULL, 0, 0, 0} -}; - -/* These variables point to the objects - representing the predefined C data types. */ - -struct type *builtin_type_void; -struct type *builtin_type_char; -struct type *builtin_type_short; -struct type *builtin_type_int; -struct type *builtin_type_long; -struct type *builtin_type_long_long; -struct type *builtin_type_signed_char; -struct type *builtin_type_unsigned_char; -struct type *builtin_type_unsigned_short; -struct type *builtin_type_unsigned_int; -struct type *builtin_type_unsigned_long; -struct type *builtin_type_unsigned_long_long; -struct type *builtin_type_float; -struct type *builtin_type_double; -struct type *builtin_type_long_double; -struct type *builtin_type_complex; -struct type *builtin_type_double_complex; - -struct type ** const (c_builtin_types[]) = -{ - &builtin_type_int, - &builtin_type_long, - &builtin_type_short, - &builtin_type_char, - &builtin_type_float, - &builtin_type_double, - &builtin_type_void, - &builtin_type_long_long, - &builtin_type_signed_char, - &builtin_type_unsigned_char, - &builtin_type_unsigned_short, - &builtin_type_unsigned_int, - &builtin_type_unsigned_long, - &builtin_type_unsigned_long_long, - &builtin_type_long_double, - &builtin_type_complex, - &builtin_type_double_complex, - 0 -}; - -const struct language_defn c_language_defn = { - "c", /* Language name */ - language_c, - c_builtin_types, - range_check_off, - type_check_off, - c_parse, - c_error, - c_printchar, /* Print a character constant */ - c_printstr, /* Function to print string constant */ - c_create_fundamental_type, /* Create fundamental type in this language */ - &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ - &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ - &builtin_type_double, /* longest floating point type */ /*FIXME*/ - {"", "", "", ""}, /* Binary format info */ - {"0%o", "0", "o", ""}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0x%x", "0x", "x", ""}, /* Hex format info */ - c_op_print_tab, /* expression operators for printing */ - LANG_MAGIC -}; - -const struct language_defn cplus_language_defn = { - "c++", /* Language name */ - language_cplus, - c_builtin_types, - range_check_off, - type_check_off, - c_parse, - c_error, - c_printchar, /* Print a character constant */ - c_printstr, /* Function to print string constant */ - c_create_fundamental_type, /* Create fundamental type in this language */ - &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ - &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ - &builtin_type_double, /* longest floating point type */ /*FIXME*/ - {"", "", "", ""}, /* Binary format info */ - {"0%o", "0", "o", ""}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0x%x", "0x", "x", ""}, /* Hex format info */ - c_op_print_tab, /* expression operators for printing */ - LANG_MAGIC -}; - -void -_initialize_c_exp () -{ - builtin_type_void = - init_type (TYPE_CODE_VOID, 1, - 0, - "void", (struct objfile *) NULL); - builtin_type_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, - "char", (struct objfile *) NULL); - builtin_type_signed_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, - "signed char", (struct objfile *) NULL); - builtin_type_unsigned_char = - init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned char", (struct objfile *) NULL); - builtin_type_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, - 0, - "short", (struct objfile *) NULL); - builtin_type_unsigned_short = - init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned short", (struct objfile *) NULL); - builtin_type_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, - "int", (struct objfile *) NULL); - builtin_type_unsigned_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned int", (struct objfile *) NULL); - builtin_type_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, - "long", (struct objfile *) NULL); - builtin_type_unsigned_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned long", (struct objfile *) NULL); - builtin_type_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - 0, - "long long", (struct objfile *) NULL); - builtin_type_unsigned_long_long = - init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "unsigned long long", (struct objfile *) NULL); - builtin_type_float = - init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, - "float", (struct objfile *) NULL); - builtin_type_double = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "double", (struct objfile *) NULL); - builtin_type_long_double = - init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "long double", (struct objfile *) NULL); - builtin_type_complex = - init_type (TYPE_CODE_FLT, TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, - "complex", (struct objfile *) NULL); - builtin_type_double_complex = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, - "double complex", (struct objfile *) NULL); - - add_language (&c_language_defn); - add_language (&cplus_language_defn); -} diff --git a/gdb/c-lang.c b/gdb/c-lang.c new file mode 100644 index 0000000..9a679fb --- /dev/null +++ b/gdb/c-lang.c @@ -0,0 +1,528 @@ +/* C language support routines for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "defs.h" +#include "symtab.h" +#include "gdbtypes.h" +#include "expression.h" +#include "parser-defs.h" +#include "language.h" +#include "c-lang.h" + +/* Print the character C on STREAM as part of the contents of a literal + string whose delimiter is QUOTER. Note that that format for printing + characters and strings is language specific. */ + +static void +emit_char (c, stream, quoter) + register int c; + FILE *stream; + int quoter; +{ + + c &= 0xFF; /* Avoid sign bit follies */ + + if (PRINT_LITERAL_FORM (c)) + { + if (c == '\\' || c == quoter) + { + fputs_filtered ("\\", stream); + } + fprintf_filtered (stream, "%c", c); + } + else + { + switch (c) + { + case '\n': + fputs_filtered ("\\n", stream); + break; + case '\b': + fputs_filtered ("\\b", stream); + break; + case '\t': + fputs_filtered ("\\t", stream); + break; + case '\f': + fputs_filtered ("\\f", stream); + break; + case '\r': + fputs_filtered ("\\r", stream); + break; + case '\033': + fputs_filtered ("\\e", stream); + break; + case '\007': + fputs_filtered ("\\a", stream); + break; + default: + fprintf_filtered (stream, "\\%.3o", (unsigned int) c); + break; + } + } +} + +static void +c_printchar (c, stream) + int c; + FILE *stream; +{ + fputs_filtered ("'", stream); + emit_char (c, stream, '\''); + fputs_filtered ("'", stream); +} + +/* Print the character string STRING, printing at most LENGTH characters. + Printing stops early if the number hits print_max; repeat counts + are printed as appropriate. Print ellipses at the end if we + had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ + +static void +c_printstr (stream, string, length, force_ellipses) + FILE *stream; + char *string; + unsigned int length; + int force_ellipses; +{ + register unsigned int i; + unsigned int things_printed = 0; + int in_quotes = 0; + int need_comma = 0; + extern int inspect_it; + extern int repeat_count_threshold; + extern int print_max; + + if (length == 0) + { + fputs_filtered ("\"\"", stdout); + return; + } + + for (i = 0; i < length && things_printed < print_max; ++i) + { + /* Position of the character we are examining + to see whether it is repeated. */ + unsigned int rep1; + /* Number of repetitions we have detected so far. */ + unsigned int reps; + + QUIT; + + if (need_comma) + { + fputs_filtered (", ", stream); + need_comma = 0; + } + + rep1 = i + 1; + reps = 1; + while (rep1 < length && string[rep1] == string[i]) + { + ++rep1; + ++reps; + } + + if (reps > repeat_count_threshold) + { + if (in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\", ", stream); + else + fputs_filtered ("\", ", stream); + in_quotes = 0; + } + c_printchar (string[i], stream); + fprintf_filtered (stream, " <repeats %u times>", reps); + i = rep1 - 1; + things_printed += repeat_count_threshold; + need_comma = 1; + } + else + { + if (!in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\"", stream); + else + fputs_filtered ("\"", stream); + in_quotes = 1; + } + emit_char (string[i], stream, '"'); + ++things_printed; + } + } + + /* Terminate the quotes if necessary. */ + if (in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\"", stream); + else + fputs_filtered ("\"", stream); + } + + if (force_ellipses || i < length) + fputs_filtered ("...", stream); +} + +/* Create a fundamental C type using default reasonable for the current + target machine. + + Some object/debugging file formats (DWARF version 1, COFF, etc) do not + define fundamental types such as "int" or "double". Others (stabs or + DWARF version 2, etc) do define fundamental types. For the formats which + don't provide fundamental types, gdb can create such types using this + function. + + FIXME: Some compilers distinguish explicitly signed integral types + (signed short, signed int, signed long) from "regular" integral types + (short, int, long) in the debugging information. There is some dis- + agreement as to how useful this feature is. In particular, gcc does + not support this. Also, only some debugging formats allow the + distinction to be passed on to a debugger. For now, we always just + use "short", "int", or "long" as the type name, for both the implicit + and explicitly signed types. This also makes life easier for the + gdb test suite since we don't have to account for the differences + in output depending upon what the compiler and debugging format + support. We will probably have to re-examine the issue when gdb + starts taking it's fundamental type information directly from the + debugging information supplied by the compiler. fnf@cygnus.com */ + +static struct type * +c_create_fundamental_type (objfile, typeid) + struct objfile *objfile; + int typeid; +{ + register struct type *type = NULL; + register int nbytes; + + switch (typeid) + { + default: + /* FIXME: For now, if we are asked to produce a type not in this + language, create the equivalent of a C integer type with the + name "<?type?>". When all the dust settles from the type + reconstruction work, this should probably become an error. */ + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "<?type?>", objfile); + warning ("internal error: no C/C++ fundamental type %d", typeid); + break; + case FT_VOID: + type = init_type (TYPE_CODE_VOID, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, "void", objfile); + break; + case FT_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, "char", objfile); + break; + case FT_SIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "signed char", objfile); + break; + case FT_UNSIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned char", objfile); + break; + case FT_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + 0, "short", objfile); + break; + case FT_SIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ + break; + case FT_UNSIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned short", objfile); + break; + case FT_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "int", objfile); + break; + case FT_SIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ + break; + case FT_UNSIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned int", objfile); + break; + case FT_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, "long", objfile); + break; + case FT_SIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ + break; + case FT_UNSIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long", objfile); + break; + case FT_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + 0, "long long", objfile); + break; + case FT_SIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "signed long long", objfile); + break; + case FT_UNSIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); + break; + case FT_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, "float", objfile); + break; + case FT_DBL_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, "double", objfile); + break; + case FT_EXT_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, "long double", objfile); + break; + } + return (type); +} + + +/* Table mapping opcodes into strings for printing operators + and precedences of the operators. */ + +const static struct op_print c_op_print_tab[] = + { + {",", BINOP_COMMA, PREC_COMMA, 0}, + {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, + {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, + {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, + {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, + {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, + {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, + {"==", BINOP_EQUAL, PREC_EQUAL, 0}, + {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, + {"<=", BINOP_LEQ, PREC_ORDER, 0}, + {">=", BINOP_GEQ, PREC_ORDER, 0}, + {">", BINOP_GTR, PREC_ORDER, 0}, + {"<", BINOP_LESS, PREC_ORDER, 0}, + {">>", BINOP_RSH, PREC_SHIFT, 0}, + {"<<", BINOP_LSH, PREC_SHIFT, 0}, + {"+", BINOP_ADD, PREC_ADD, 0}, + {"-", BINOP_SUB, PREC_ADD, 0}, + {"*", BINOP_MUL, PREC_MUL, 0}, + {"/", BINOP_DIV, PREC_MUL, 0}, + {"%", BINOP_REM, PREC_MUL, 0}, + {"@", BINOP_REPEAT, PREC_REPEAT, 0}, + {"-", UNOP_NEG, PREC_PREFIX, 0}, + {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, + {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, + {"*", UNOP_IND, PREC_PREFIX, 0}, + {"&", UNOP_ADDR, PREC_PREFIX, 0}, + {"sizeof ", UNOP_SIZEOF, PREC_PREFIX, 0}, + {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, + {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, + /* C++ */ + {"::", BINOP_SCOPE, PREC_PREFIX, 0}, + {NULL, 0, 0, 0} +}; + +/* These variables point to the objects + representing the predefined C data types. */ + +struct type *builtin_type_void; +struct type *builtin_type_char; +struct type *builtin_type_short; +struct type *builtin_type_int; +struct type *builtin_type_long; +struct type *builtin_type_long_long; +struct type *builtin_type_signed_char; +struct type *builtin_type_unsigned_char; +struct type *builtin_type_unsigned_short; +struct type *builtin_type_unsigned_int; +struct type *builtin_type_unsigned_long; +struct type *builtin_type_unsigned_long_long; +struct type *builtin_type_float; +struct type *builtin_type_double; +struct type *builtin_type_long_double; +struct type *builtin_type_complex; +struct type *builtin_type_double_complex; + +struct type ** const (c_builtin_types[]) = +{ + &builtin_type_int, + &builtin_type_long, + &builtin_type_short, + &builtin_type_char, + &builtin_type_float, + &builtin_type_double, + &builtin_type_void, + &builtin_type_long_long, + &builtin_type_signed_char, + &builtin_type_unsigned_char, + &builtin_type_unsigned_short, + &builtin_type_unsigned_int, + &builtin_type_unsigned_long, + &builtin_type_unsigned_long_long, + &builtin_type_long_double, + &builtin_type_complex, + &builtin_type_double_complex, + 0 +}; + +const struct language_defn c_language_defn = { + "c", /* Language name */ + language_c, + c_builtin_types, + range_check_off, + type_check_off, + c_parse, + c_error, + c_printchar, /* Print a character constant */ + c_printstr, /* Function to print string constant */ + c_create_fundamental_type, /* Create fundamental type in this language */ + &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ + &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ + &builtin_type_double, /* longest floating point type */ /*FIXME*/ + {"", "", "", ""}, /* Binary format info */ + {"0%o", "0", "o", ""}, /* Octal format info */ + {"%d", "", "d", ""}, /* Decimal format info */ + {"0x%x", "0x", "x", ""}, /* Hex format info */ + c_op_print_tab, /* expression operators for printing */ + LANG_MAGIC +}; + +const struct language_defn cplus_language_defn = { + "c++", /* Language name */ + language_cplus, + c_builtin_types, + range_check_off, + type_check_off, + c_parse, + c_error, + c_printchar, /* Print a character constant */ + c_printstr, /* Function to print string constant */ + c_create_fundamental_type, /* Create fundamental type in this language */ + &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ + &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ + &builtin_type_double, /* longest floating point type */ /*FIXME*/ + {"", "", "", ""}, /* Binary format info */ + {"0%o", "0", "o", ""}, /* Octal format info */ + {"%d", "", "d", ""}, /* Decimal format info */ + {"0x%x", "0x", "x", ""}, /* Hex format info */ + c_op_print_tab, /* expression operators for printing */ + LANG_MAGIC +}; + +void +_initialize_c_exp () +{ + builtin_type_void = + init_type (TYPE_CODE_VOID, 1, + 0, + "void", (struct objfile *) NULL); + builtin_type_char = + init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, + "char", (struct objfile *) NULL); + builtin_type_signed_char = + init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, + "signed char", (struct objfile *) NULL); + builtin_type_unsigned_char = + init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned char", (struct objfile *) NULL); + builtin_type_short = + init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, + 0, + "short", (struct objfile *) NULL); + builtin_type_unsigned_short = + init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned short", (struct objfile *) NULL); + builtin_type_int = + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, + "int", (struct objfile *) NULL); + builtin_type_unsigned_int = + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned int", (struct objfile *) NULL); + builtin_type_long = + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long", (struct objfile *) NULL); + builtin_type_unsigned_long = + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long", (struct objfile *) NULL); + builtin_type_long_long = + init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + 0, + "long long", (struct objfile *) NULL); + builtin_type_unsigned_long_long = + init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "unsigned long long", (struct objfile *) NULL); + builtin_type_float = + init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, + "float", (struct objfile *) NULL); + builtin_type_double = + init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "double", (struct objfile *) NULL); + builtin_type_long_double = + init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "long double", (struct objfile *) NULL); + builtin_type_complex = + init_type (TYPE_CODE_FLT, TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "complex", (struct objfile *) NULL); + builtin_type_double_complex = + init_type (TYPE_CODE_FLT, TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, + "double complex", (struct objfile *) NULL); + + add_language (&c_language_defn); + add_language (&cplus_language_defn); +} diff --git a/gdb/c-lang.h b/gdb/c-lang.h new file mode 100644 index 0000000..5a1661f --- /dev/null +++ b/gdb/c-lang.h @@ -0,0 +1,24 @@ +/* C language support definitions for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +extern int +c_parse PARAMS ((void)); /* Defined in c-exp.y */ + +extern void +c_error PARAMS ((char *)); /* Defined in c-exp.y */ diff --git a/gdb/ch-exp.y b/gdb/ch-exp.y index 4a11c68..ec73158 100644 --- a/gdb/ch-exp.y +++ b/gdb/ch-exp.y @@ -53,19 +53,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ %{ -#include <stdio.h> -#include <string.h> #include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "frame.h" #include "expression.h" #include "language.h" #include "value.h" #include "parser-defs.h" -#include "bfd.h" -#include "symfile.h" -#include "objfiles.h" +#include "ch-lang.h" /* These MUST be included in any grammar file!!!! Please choose unique names! Note that this are a combined list of variables that can be produced @@ -105,7 +98,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ static int yylex PARAMS ((void)); -static void +void yyerror PARAMS ((char *)); int @@ -1287,7 +1280,7 @@ yylex () return (ILLEGAL_TOKEN); } -static void +void yyerror (msg) char *msg; /* unused */ { @@ -1301,284 +1294,3 @@ yyerror (msg) error ("Invalid syntax in expression"); } } - - -static void -chill_printchar (c, stream) - register int c; - FILE *stream; -{ - c &= 0xFF; /* Avoid sign bit follies */ - - if (PRINT_LITERAL_FORM (c)) - { - fprintf_filtered (stream, "'%c'", c); - } - else - { - fprintf_filtered (stream, "C'%.2x'", (unsigned int) c); - } -} - -/* Print the character string STRING, printing at most LENGTH characters. - Printing stops early if the number hits print_max; repeat counts - are printed as appropriate. Print ellipses at the end if we - had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. - Note that gdb maintains the length of strings without counting the - terminating null byte, while chill strings are typically written with - an explicit null byte. So we always assume an implied null byte - until gdb is able to maintain non-null terminated strings as well - as null terminated strings (FIXME). - */ - -static void -chill_printstr (stream, string, length, force_ellipses) - FILE *stream; - char *string; - unsigned int length; - int force_ellipses; -{ - register unsigned int i; - unsigned int things_printed = 0; - int in_literal_form = 0; - int in_control_form = 0; - int need_slashslash = 0; - unsigned int c; - extern int repeat_count_threshold; - extern int print_max; - - if (length == 0) - { - chill_printchar ('\0', stream); - return; - } - - for (i = 0; i < length && things_printed < print_max; ++i) - { - /* Position of the character we are examining - to see whether it is repeated. */ - unsigned int rep1; - /* Number of repetitions we have detected so far. */ - unsigned int reps; - - QUIT; - - if (need_slashslash) - { - fputs_filtered ("//", stream); - need_slashslash = 0; - } - - rep1 = i + 1; - reps = 1; - while (rep1 < length && string[rep1] == string[i]) - { - ++rep1; - ++reps; - } - - c = string[i]; - if (reps > repeat_count_threshold) - { - if (in_control_form || in_literal_form) - { - fputs_filtered ("'//", stream); - in_control_form = in_literal_form = 0; - } - chill_printchar (c, stream); - fprintf_filtered (stream, "<repeats %u times>", reps); - i = rep1 - 1; - things_printed += repeat_count_threshold; - need_slashslash = 1; - } - else - { - if (PRINT_LITERAL_FORM (c)) - { - if (!in_literal_form) - { - if (in_control_form) - { - fputs_filtered ("'//", stream); - in_control_form = 0; - } - fputs_filtered ("'", stream); - in_literal_form = 1; - } - fprintf_filtered (stream, "%c", c); - } - else - { - if (!in_control_form) - { - if (in_literal_form) - { - fputs_filtered ("'//", stream); - in_literal_form = 0; - } - fputs_filtered ("c'", stream); - in_control_form = 1; - } - fprintf_filtered (stream, "%.2x", c); - } - ++things_printed; - } - } - - /* Terminate the quotes if necessary. */ - if (in_literal_form || in_control_form) - { - fputs_filtered ("'", stream); - } - if (force_ellipses || (i < length)) - { - fputs_filtered ("...", stream); - } -} - -static struct type * -chill_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register struct type *type = NULL; - register int nbytes; - - switch (typeid) - { - default: - /* FIXME: For now, if we are asked to produce a type not in this - language, create the equivalent of a C integer type with the - name "<?type?>". When all the dust settles from the type - reconstruction work, this should probably become an error. */ - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "<?type?>", objfile); - warning ("internal error: no chill fundamental type %d", typeid); - break; - case FT_BOOLEAN: - type = init_type (TYPE_CODE_BOOL, 1, TYPE_FLAG_UNSIGNED, "BOOL", objfile); - break; - case FT_CHAR: - type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, "CHAR", objfile); - break; - case FT_SIGNED_CHAR: - type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_SIGNED, "BYTE", objfile); - break; - case FT_UNSIGNED_CHAR: - type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, "UBYTE", objfile); - break; - case FT_SHORT: /* Chill ints are 2 bytes */ - type = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_SIGNED, "INT", objfile); - break; - case FT_UNSIGNED_SHORT: /* Chill ints are 2 bytes */ - type = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED, "UINT", objfile); - break; - case FT_INTEGER: /* Chill longs are 4 bytes */ - type = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_SIGNED, "LONG", objfile); - break; - case FT_UNSIGNED_INTEGER: /* Chill longs are 4 bytes */ - type = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED, "ULONG", objfile); - break; - case FT_FLOAT: - type = init_type (TYPE_CODE_FLT, 4, 0, "REAL", objfile); - break; - case FT_DBL_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, 8, 0, "LONG_REAL", objfile); - break; - } - return (type); -} - - -/* Table of operators and their precedences for printing expressions. */ - -const static struct op_print chill_op_print_tab[] = { - {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, - {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, - {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, - {"MOD", BINOP_REM, PREC_MUL, 0}, - {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, - {"=", BINOP_EQUAL, PREC_EQUAL, 0}, - {"/=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, - {"<=", BINOP_LEQ, PREC_ORDER, 0}, - {">=", BINOP_GEQ, PREC_ORDER, 0}, - {">", BINOP_GTR, PREC_ORDER, 0}, - {"<", BINOP_LESS, PREC_ORDER, 0}, - {"+", BINOP_ADD, PREC_ADD, 0}, - {"-", BINOP_SUB, PREC_ADD, 0}, - {"*", BINOP_MUL, PREC_MUL, 0}, - {"/", BINOP_DIV, PREC_MUL, 0}, - {"-", UNOP_NEG, PREC_PREFIX, 0}, - {NULL, 0, 0, 0} -}; - - -/* The built-in types of Chill. */ - -struct type *builtin_type_chill_bool; -struct type *builtin_type_chill_char; -struct type *builtin_type_chill_long; -struct type *builtin_type_chill_ulong; -struct type *builtin_type_chill_real; - -struct type ** const (chill_builtin_types[]) = -{ - &builtin_type_chill_bool, - &builtin_type_chill_char, - &builtin_type_chill_long, - &builtin_type_chill_ulong, - &builtin_type_chill_real, - 0 -}; - -const struct language_defn chill_language_defn = { - "chill", - language_chill, - chill_builtin_types, - range_check_on, - type_check_on, - chill_parse, /* parser */ - chill_error, /* parser error function */ - chill_printchar, /* print a character constant */ - chill_printstr, /* function to print a string constant */ - chill_create_fundamental_type,/* Create fundamental type in this language */ - &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ - &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ - &builtin_type_chill_real, /* longest floating point type */ - {"", "B'", "", ""}, /* Binary format info */ - {"O'%o", "O'", "o", ""}, /* Octal format info */ - {"D'%d", "D'", "d", ""}, /* Decimal format info */ - {"H'%x", "H'", "x", ""}, /* Hex format info */ - chill_op_print_tab, /* expression operators for printing */ - LANG_MAGIC -}; - -/* Initialization for Chill */ - -void -_initialize_chill_exp () -{ - builtin_type_chill_bool = - init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "BOOL", (struct objfile *) NULL); - builtin_type_chill_char = - init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "CHAR", (struct objfile *) NULL); - builtin_type_chill_long = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, - "LONG", (struct objfile *) NULL); - builtin_type_chill_ulong = - init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "ULONG", (struct objfile *) NULL); - builtin_type_chill_real = - init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, - "LONG_REAL", (struct objfile *) NULL); - - add_language (&chill_language_defn); -} diff --git a/gdb/ch-lang.c b/gdb/ch-lang.c new file mode 100644 index 0000000..6104675 --- /dev/null +++ b/gdb/ch-lang.c @@ -0,0 +1,306 @@ +/* Chill language support routines for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "defs.h" +#include "symtab.h" +#include "gdbtypes.h" +#include "expression.h" +#include "parser-defs.h" +#include "language.h" +#include "ch-lang.h" + +static void +chill_printchar (c, stream) + register int c; + FILE *stream; +{ + c &= 0xFF; /* Avoid sign bit follies */ + + if (PRINT_LITERAL_FORM (c)) + { + fprintf_filtered (stream, "'%c'", c); + } + else + { + fprintf_filtered (stream, "C'%.2x'", (unsigned int) c); + } +} + +/* Print the character string STRING, printing at most LENGTH characters. + Printing stops early if the number hits print_max; repeat counts + are printed as appropriate. Print ellipses at the end if we + had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. + Note that gdb maintains the length of strings without counting the + terminating null byte, while chill strings are typically written with + an explicit null byte. So we always assume an implied null byte + until gdb is able to maintain non-null terminated strings as well + as null terminated strings (FIXME). + */ + +static void +chill_printstr (stream, string, length, force_ellipses) + FILE *stream; + char *string; + unsigned int length; + int force_ellipses; +{ + register unsigned int i; + unsigned int things_printed = 0; + int in_literal_form = 0; + int in_control_form = 0; + int need_slashslash = 0; + unsigned int c; + extern int repeat_count_threshold; + extern int print_max; + + if (length == 0) + { + chill_printchar ('\0', stream); + return; + } + + for (i = 0; i < length && things_printed < print_max; ++i) + { + /* Position of the character we are examining + to see whether it is repeated. */ + unsigned int rep1; + /* Number of repetitions we have detected so far. */ + unsigned int reps; + + QUIT; + + if (need_slashslash) + { + fputs_filtered ("//", stream); + need_slashslash = 0; + } + + rep1 = i + 1; + reps = 1; + while (rep1 < length && string[rep1] == string[i]) + { + ++rep1; + ++reps; + } + + c = string[i]; + if (reps > repeat_count_threshold) + { + if (in_control_form || in_literal_form) + { + fputs_filtered ("'//", stream); + in_control_form = in_literal_form = 0; + } + chill_printchar (c, stream); + fprintf_filtered (stream, "<repeats %u times>", reps); + i = rep1 - 1; + things_printed += repeat_count_threshold; + need_slashslash = 1; + } + else + { + if (PRINT_LITERAL_FORM (c)) + { + if (!in_literal_form) + { + if (in_control_form) + { + fputs_filtered ("'//", stream); + in_control_form = 0; + } + fputs_filtered ("'", stream); + in_literal_form = 1; + } + fprintf_filtered (stream, "%c", c); + } + else + { + if (!in_control_form) + { + if (in_literal_form) + { + fputs_filtered ("'//", stream); + in_literal_form = 0; + } + fputs_filtered ("c'", stream); + in_control_form = 1; + } + fprintf_filtered (stream, "%.2x", c); + } + ++things_printed; + } + } + + /* Terminate the quotes if necessary. */ + if (in_literal_form || in_control_form) + { + fputs_filtered ("'", stream); + } + if (force_ellipses || (i < length)) + { + fputs_filtered ("...", stream); + } +} + +static struct type * +chill_create_fundamental_type (objfile, typeid) + struct objfile *objfile; + int typeid; +{ + register struct type *type = NULL; + register int nbytes; + + switch (typeid) + { + default: + /* FIXME: For now, if we are asked to produce a type not in this + language, create the equivalent of a C integer type with the + name "<?type?>". When all the dust settles from the type + reconstruction work, this should probably become an error. */ + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "<?type?>", objfile); + warning ("internal error: no chill fundamental type %d", typeid); + break; + case FT_BOOLEAN: + type = init_type (TYPE_CODE_BOOL, 1, TYPE_FLAG_UNSIGNED, "BOOL", objfile); + break; + case FT_CHAR: + type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, "CHAR", objfile); + break; + case FT_SIGNED_CHAR: + type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_SIGNED, "BYTE", objfile); + break; + case FT_UNSIGNED_CHAR: + type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, "UBYTE", objfile); + break; + case FT_SHORT: /* Chill ints are 2 bytes */ + type = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_SIGNED, "INT", objfile); + break; + case FT_UNSIGNED_SHORT: /* Chill ints are 2 bytes */ + type = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED, "UINT", objfile); + break; + case FT_INTEGER: /* Chill longs are 4 bytes */ + type = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_SIGNED, "LONG", objfile); + break; + case FT_UNSIGNED_INTEGER: /* Chill longs are 4 bytes */ + type = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED, "ULONG", objfile); + break; + case FT_FLOAT: + type = init_type (TYPE_CODE_FLT, 4, 0, "REAL", objfile); + break; + case FT_DBL_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, 8, 0, "LONG_REAL", objfile); + break; + } + return (type); +} + + +/* Table of operators and their precedences for printing expressions. */ + +const static struct op_print chill_op_print_tab[] = { + {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, + {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, + {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, + {"MOD", BINOP_REM, PREC_MUL, 0}, + {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, + {"=", BINOP_EQUAL, PREC_EQUAL, 0}, + {"/=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, + {"<=", BINOP_LEQ, PREC_ORDER, 0}, + {">=", BINOP_GEQ, PREC_ORDER, 0}, + {">", BINOP_GTR, PREC_ORDER, 0}, + {"<", BINOP_LESS, PREC_ORDER, 0}, + {"+", BINOP_ADD, PREC_ADD, 0}, + {"-", BINOP_SUB, PREC_ADD, 0}, + {"*", BINOP_MUL, PREC_MUL, 0}, + {"/", BINOP_DIV, PREC_MUL, 0}, + {"-", UNOP_NEG, PREC_PREFIX, 0}, + {NULL, 0, 0, 0} +}; + + +/* The built-in types of Chill. */ + +struct type *builtin_type_chill_bool; +struct type *builtin_type_chill_char; +struct type *builtin_type_chill_long; +struct type *builtin_type_chill_ulong; +struct type *builtin_type_chill_real; + +struct type ** const (chill_builtin_types[]) = +{ + &builtin_type_chill_bool, + &builtin_type_chill_char, + &builtin_type_chill_long, + &builtin_type_chill_ulong, + &builtin_type_chill_real, + 0 +}; + +const struct language_defn chill_language_defn = { + "chill", + language_chill, + chill_builtin_types, + range_check_on, + type_check_on, + chill_parse, /* parser */ + chill_error, /* parser error function */ + chill_printchar, /* print a character constant */ + chill_printstr, /* function to print a string constant */ + chill_create_fundamental_type,/* Create fundamental type in this language */ + &BUILTIN_TYPE_LONGEST, /* longest signed integral type */ + &BUILTIN_TYPE_UNSIGNED_LONGEST,/* longest unsigned integral type */ + &builtin_type_chill_real, /* longest floating point type */ + {"", "B'", "", ""}, /* Binary format info */ + {"O'%o", "O'", "o", ""}, /* Octal format info */ + {"D'%d", "D'", "d", ""}, /* Decimal format info */ + {"H'%x", "H'", "x", ""}, /* Hex format info */ + chill_op_print_tab, /* expression operators for printing */ + LANG_MAGIC +}; + +/* Initialization for Chill */ + +void +_initialize_chill_exp () +{ + builtin_type_chill_bool = + init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "BOOL", (struct objfile *) NULL); + builtin_type_chill_char = + init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "CHAR", (struct objfile *) NULL); + builtin_type_chill_long = + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, + "LONG", (struct objfile *) NULL); + builtin_type_chill_ulong = + init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "ULONG", (struct objfile *) NULL); + builtin_type_chill_real = + init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, + "LONG_REAL", (struct objfile *) NULL); + + add_language (&chill_language_defn); +} diff --git a/gdb/ch-lang.h b/gdb/ch-lang.h new file mode 100644 index 0000000..1d9b556 --- /dev/null +++ b/gdb/ch-lang.h @@ -0,0 +1,24 @@ +/* Chill language support definitions for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +extern int +chill_parse PARAMS ((void)); /* Defined in ch-exp.y */ + +extern void +chill_error PARAMS ((char *)); /* Defined in ch-exp.y */ diff --git a/gdb/language.h b/gdb/language.h index f25a35c..b5da171 100644 --- a/gdb/language.h +++ b/gdb/language.h @@ -24,6 +24,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifdef __STDC__ /* Forward decls for prototypes */ struct value; +struct objfile; /* enum exp_opcode; ANSI's `wisdom' didn't include forward enum decls. */ #endif diff --git a/gdb/m2-exp.y b/gdb/m2-exp.y index e1eb3f9..12a8a50 100644 --- a/gdb/m2-exp.y +++ b/gdb/m2-exp.y @@ -38,19 +38,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ %{ -#include <stdio.h> -#include <string.h> #include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "frame.h" #include "expression.h" #include "language.h" #include "value.h" #include "parser-defs.h" -#include "bfd.h" -#include "symfile.h" -#include "objfiles.h" +#include "m2-lang.h" /* These MUST be included in any grammar file!!!! Please choose unique names! Note that this are a combined list of variables that can be produced @@ -98,7 +91,7 @@ parse_number PARAMS ((int)); static int yylex PARAMS ((void)); -static void +void yyerror PARAMS ((char *)); int @@ -1164,7 +1157,7 @@ make_qualname(mod,ident) } #endif /* 0 */ -static void +void yyerror(msg) char *msg; /* unused */ { @@ -1175,433 +1168,3 @@ yyerror(msg) error("Invalid syntax in expression"); } - -/* Print the character C on STREAM as part of the contents of a literal - string whose delimiter is QUOTER. Note that that format for printing - characters and strings is language specific. - FIXME: This is a copy of the same function from c-exp.y. It should - be replaced with a true Modula version. - */ - -static void -emit_char (c, stream, quoter) - register int c; - FILE *stream; - int quoter; -{ - - c &= 0xFF; /* Avoid sign bit follies */ - - if (PRINT_LITERAL_FORM (c)) - { - if (c == '\\' || c == quoter) - { - fputs_filtered ("\\", stream); - } - fprintf_filtered (stream, "%c", c); - } - else - { - switch (c) - { - case '\n': - fputs_filtered ("\\n", stream); - break; - case '\b': - fputs_filtered ("\\b", stream); - break; - case '\t': - fputs_filtered ("\\t", stream); - break; - case '\f': - fputs_filtered ("\\f", stream); - break; - case '\r': - fputs_filtered ("\\r", stream); - break; - case '\033': - fputs_filtered ("\\e", stream); - break; - case '\007': - fputs_filtered ("\\a", stream); - break; - default: - fprintf_filtered (stream, "\\%.3o", (unsigned int) c); - break; - } - } -} - -/* FIXME: This is a copy of the same function from c-exp.y. It should - be replaced with a true Modula version. */ - -static void -m2_printchar (c, stream) - int c; - FILE *stream; -{ - fputs_filtered ("'", stream); - emit_char (c, stream, '\''); - fputs_filtered ("'", stream); -} - -/* Print the character string STRING, printing at most LENGTH characters. - Printing stops early if the number hits print_max; repeat counts - are printed as appropriate. Print ellipses at the end if we - had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. - FIXME: This is a copy of the same function from c-exp.y. It should - be replaced with a true Modula version. */ - -static void -m2_printstr (stream, string, length, force_ellipses) - FILE *stream; - char *string; - unsigned int length; - int force_ellipses; -{ - register unsigned int i; - unsigned int things_printed = 0; - int in_quotes = 0; - int need_comma = 0; - extern int inspect_it; - extern int repeat_count_threshold; - extern int print_max; - - if (length == 0) - { - fputs_filtered ("\"\"", stdout); - return; - } - - for (i = 0; i < length && things_printed < print_max; ++i) - { - /* Position of the character we are examining - to see whether it is repeated. */ - unsigned int rep1; - /* Number of repetitions we have detected so far. */ - unsigned int reps; - - QUIT; - - if (need_comma) - { - fputs_filtered (", ", stream); - need_comma = 0; - } - - rep1 = i + 1; - reps = 1; - while (rep1 < length && string[rep1] == string[i]) - { - ++rep1; - ++reps; - } - - if (reps > repeat_count_threshold) - { - if (in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\", ", stream); - else - fputs_filtered ("\", ", stream); - in_quotes = 0; - } - m2_printchar (string[i], stream); - fprintf_filtered (stream, " <repeats %u times>", reps); - i = rep1 - 1; - things_printed += repeat_count_threshold; - need_comma = 1; - } - else - { - if (!in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\"", stream); - else - fputs_filtered ("\"", stream); - in_quotes = 1; - } - emit_char (string[i], stream, '"'); - ++things_printed; - } - } - - /* Terminate the quotes if necessary. */ - if (in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\"", stream); - else - fputs_filtered ("\"", stream); - } - - if (force_ellipses || i < length) - fputs_filtered ("...", stream); -} - -/* FIXME: This is a copy of c_create_fundamental_type(), before - all the non-C types were stripped from it. Needs to be fixed - by an experienced Modula programmer. */ - -static struct type * -m2_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register struct type *type = NULL; - register int nbytes; - - switch (typeid) - { - default: - /* FIXME: For now, if we are asked to produce a type not in this - language, create the equivalent of a C integer type with the - name "<?type?>". When all the dust settles from the type - reconstruction work, this should probably become an error. */ - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "<?type?>", objfile); - warning ("internal error: no Modula fundamental type %d", typeid); - break; - case FT_VOID: - type = init_type (TYPE_CODE_VOID, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "void", objfile); - break; - case FT_BOOLEAN: - type = init_type (TYPE_CODE_BOOL, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "boolean", objfile); - break; - case FT_STRING: - type = init_type (TYPE_CODE_PASCAL_ARRAY, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "string", objfile); - break; - case FT_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "char", objfile); - break; - case FT_SIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed char", objfile); - break; - case FT_UNSIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned char", objfile); - break; - case FT_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - 0, "short", objfile); - break; - case FT_SIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ - break; - case FT_UNSIGNED_SHORT: - type = init_type (TYPE_CODE_INT, - TARGET_SHORT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned short", objfile); - break; - case FT_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "int", objfile); - break; - case FT_SIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_INTEGER: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned int", objfile); - break; - case FT_FIXED_DECIMAL: - type = init_type (TYPE_CODE_INT, - TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, "fixed decimal", objfile); - break; - case FT_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - 0, "long", objfile); - break; - case FT_SIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ - break; - case FT_UNSIGNED_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long", objfile); - break; - case FT_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - 0, "long long", objfile); - break; - case FT_SIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_SIGNED, "signed long long", objfile); - break; - case FT_UNSIGNED_LONG_LONG: - type = init_type (TYPE_CODE_INT, - TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); - break; - case FT_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, "float", objfile); - break; - case FT_DBL_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "double", objfile); - break; - case FT_FLOAT_DECIMAL: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "floating decimal", objfile); - break; - case FT_EXT_PREC_FLOAT: - type = init_type (TYPE_CODE_FLT, - TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, - 0, "long double", objfile); - break; - case FT_COMPLEX: - type = init_type (TYPE_CODE_FLT, - TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "complex", objfile); - break; - case FT_DBL_PREC_COMPLEX: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "double complex", objfile); - break; - case FT_EXT_PREC_COMPLEX: - type = init_type (TYPE_CODE_FLT, - TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, - 0, "long double complex", objfile); - break; - } - return (type); -} - - -/* Table of operators and their precedences for printing expressions. */ - -const static struct op_print m2_op_print_tab[] = { - {"+", BINOP_ADD, PREC_ADD, 0}, - {"+", UNOP_PLUS, PREC_PREFIX, 0}, - {"-", BINOP_SUB, PREC_ADD, 0}, - {"-", UNOP_NEG, PREC_PREFIX, 0}, - {"*", BINOP_MUL, PREC_MUL, 0}, - {"/", BINOP_DIV, PREC_MUL, 0}, - {"DIV", BINOP_INTDIV, PREC_MUL, 0}, - {"MOD", BINOP_REM, PREC_MUL, 0}, - {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, - {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, - {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, - {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, - {"=", BINOP_EQUAL, PREC_EQUAL, 0}, - {"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0}, - {"<=", BINOP_LEQ, PREC_ORDER, 0}, - {">=", BINOP_GEQ, PREC_ORDER, 0}, - {">", BINOP_GTR, PREC_ORDER, 0}, - {"<", BINOP_LESS, PREC_ORDER, 0}, - {"^", UNOP_IND, PREC_PREFIX, 0}, - {"@", BINOP_REPEAT, PREC_REPEAT, 0}, - {NULL, 0, 0, 0} -}; - -/* The built-in types of Modula-2. */ - -struct type *builtin_type_m2_char; -struct type *builtin_type_m2_int; -struct type *builtin_type_m2_card; -struct type *builtin_type_m2_real; -struct type *builtin_type_m2_bool; - -struct type ** const (m2_builtin_types[]) = -{ - &builtin_type_m2_char, - &builtin_type_m2_int, - &builtin_type_m2_card, - &builtin_type_m2_real, - &builtin_type_m2_bool, - 0 -}; - -const struct language_defn m2_language_defn = { - "modula-2", - language_m2, - m2_builtin_types, - range_check_on, - type_check_on, - m2_parse, /* parser */ - m2_error, /* parser error function */ - m2_printchar, /* Print character constant */ - m2_printstr, /* function to print string constant */ - m2_create_fundamental_type, /* Create fundamental type in this language */ - &builtin_type_m2_int, /* longest signed integral type */ - &builtin_type_m2_card, /* longest unsigned integral type */ - &builtin_type_m2_real, /* longest floating point type */ - {"", "", "", ""}, /* Binary format info */ - {"%oB", "", "o", "B"}, /* Octal format info */ - {"%d", "", "d", ""}, /* Decimal format info */ - {"0%XH", "0", "X", "H"}, /* Hex format info */ - m2_op_print_tab, /* expression operators for printing */ - LANG_MAGIC -}; - -/* Initialization for Modula-2 */ - -void -_initialize_m2_exp () -{ - /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */ - builtin_type_m2_int = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - 0, - "INTEGER", (struct objfile *) NULL); - builtin_type_m2_card = - init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "CARDINAL", (struct objfile *) NULL); - builtin_type_m2_real = - init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, - 0, - "REAL", (struct objfile *) NULL); - builtin_type_m2_char = - init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "CHAR", (struct objfile *) NULL); - builtin_type_m2_bool = - init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT, - TYPE_FLAG_UNSIGNED, - "BOOLEAN", (struct objfile *) NULL); - - TYPE_NFIELDS(builtin_type_m2_bool) = 2; - TYPE_FIELDS(builtin_type_m2_bool) = - (struct field *) malloc (sizeof (struct field) * 2); - TYPE_FIELD_BITPOS(builtin_type_m2_bool,0) = 0; - TYPE_FIELD_NAME(builtin_type_m2_bool,0) = (char *)malloc(6); - strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,0),"FALSE"); - TYPE_FIELD_BITPOS(builtin_type_m2_bool,1) = 1; - TYPE_FIELD_NAME(builtin_type_m2_bool,1) = (char *)malloc(5); - strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,1),"TRUE"); - - add_language (&m2_language_defn); -} diff --git a/gdb/m2-lang.c b/gdb/m2-lang.c new file mode 100644 index 0000000..77d821a --- /dev/null +++ b/gdb/m2-lang.c @@ -0,0 +1,456 @@ +/* Modula 2 language support routines for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "defs.h" +#include "symtab.h" +#include "gdbtypes.h" +#include "expression.h" +#include "parser-defs.h" +#include "language.h" +#include "m2-lang.h" + +/* Print the character C on STREAM as part of the contents of a literal + string whose delimiter is QUOTER. Note that that format for printing + characters and strings is language specific. + FIXME: This is a copy of the same function from c-exp.y. It should + be replaced with a true Modula version. + */ + +static void +emit_char (c, stream, quoter) + register int c; + FILE *stream; + int quoter; +{ + + c &= 0xFF; /* Avoid sign bit follies */ + + if (PRINT_LITERAL_FORM (c)) + { + if (c == '\\' || c == quoter) + { + fputs_filtered ("\\", stream); + } + fprintf_filtered (stream, "%c", c); + } + else + { + switch (c) + { + case '\n': + fputs_filtered ("\\n", stream); + break; + case '\b': + fputs_filtered ("\\b", stream); + break; + case '\t': + fputs_filtered ("\\t", stream); + break; + case '\f': + fputs_filtered ("\\f", stream); + break; + case '\r': + fputs_filtered ("\\r", stream); + break; + case '\033': + fputs_filtered ("\\e", stream); + break; + case '\007': + fputs_filtered ("\\a", stream); + break; + default: + fprintf_filtered (stream, "\\%.3o", (unsigned int) c); + break; + } + } +} + +/* FIXME: This is a copy of the same function from c-exp.y. It should + be replaced with a true Modula version. */ + +static void +m2_printchar (c, stream) + int c; + FILE *stream; +{ + fputs_filtered ("'", stream); + emit_char (c, stream, '\''); + fputs_filtered ("'", stream); +} + +/* Print the character string STRING, printing at most LENGTH characters. + Printing stops early if the number hits print_max; repeat counts + are printed as appropriate. Print ellipses at the end if we + had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. + FIXME: This is a copy of the same function from c-exp.y. It should + be replaced with a true Modula version. */ + +static void +m2_printstr (stream, string, length, force_ellipses) + FILE *stream; + char *string; + unsigned int length; + int force_ellipses; +{ + register unsigned int i; + unsigned int things_printed = 0; + int in_quotes = 0; + int need_comma = 0; + extern int inspect_it; + extern int repeat_count_threshold; + extern int print_max; + + if (length == 0) + { + fputs_filtered ("\"\"", stdout); + return; + } + + for (i = 0; i < length && things_printed < print_max; ++i) + { + /* Position of the character we are examining + to see whether it is repeated. */ + unsigned int rep1; + /* Number of repetitions we have detected so far. */ + unsigned int reps; + + QUIT; + + if (need_comma) + { + fputs_filtered (", ", stream); + need_comma = 0; + } + + rep1 = i + 1; + reps = 1; + while (rep1 < length && string[rep1] == string[i]) + { + ++rep1; + ++reps; + } + + if (reps > repeat_count_threshold) + { + if (in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\", ", stream); + else + fputs_filtered ("\", ", stream); + in_quotes = 0; + } + m2_printchar (string[i], stream); + fprintf_filtered (stream, " <repeats %u times>", reps); + i = rep1 - 1; + things_printed += repeat_count_threshold; + need_comma = 1; + } + else + { + if (!in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\"", stream); + else + fputs_filtered ("\"", stream); + in_quotes = 1; + } + emit_char (string[i], stream, '"'); + ++things_printed; + } + } + + /* Terminate the quotes if necessary. */ + if (in_quotes) + { + if (inspect_it) + fputs_filtered ("\\\"", stream); + else + fputs_filtered ("\"", stream); + } + + if (force_ellipses || i < length) + fputs_filtered ("...", stream); +} + +/* FIXME: This is a copy of c_create_fundamental_type(), before + all the non-C types were stripped from it. Needs to be fixed + by an experienced Modula programmer. */ + +static struct type * +m2_create_fundamental_type (objfile, typeid) + struct objfile *objfile; + int typeid; +{ + register struct type *type = NULL; + register int nbytes; + + switch (typeid) + { + default: + /* FIXME: For now, if we are asked to produce a type not in this + language, create the equivalent of a C integer type with the + name "<?type?>". When all the dust settles from the type + reconstruction work, this should probably become an error. */ + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "<?type?>", objfile); + warning ("internal error: no Modula fundamental type %d", typeid); + break; + case FT_VOID: + type = init_type (TYPE_CODE_VOID, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, "void", objfile); + break; + case FT_BOOLEAN: + type = init_type (TYPE_CODE_BOOL, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "boolean", objfile); + break; + case FT_STRING: + type = init_type (TYPE_CODE_PASCAL_ARRAY, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, "string", objfile); + break; + case FT_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + 0, "char", objfile); + break; + case FT_SIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "signed char", objfile); + break; + case FT_UNSIGNED_CHAR: + type = init_type (TYPE_CODE_INT, + TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned char", objfile); + break; + case FT_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + 0, "short", objfile); + break; + case FT_SIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "short", objfile); /* FIXME-fnf */ + break; + case FT_UNSIGNED_SHORT: + type = init_type (TYPE_CODE_INT, + TARGET_SHORT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned short", objfile); + break; + case FT_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "int", objfile); + break; + case FT_SIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "int", objfile); /* FIXME -fnf */ + break; + case FT_UNSIGNED_INTEGER: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned int", objfile); + break; + case FT_FIXED_DECIMAL: + type = init_type (TYPE_CODE_INT, + TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, "fixed decimal", objfile); + break; + case FT_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + 0, "long", objfile); + break; + case FT_SIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "long", objfile); /* FIXME -fnf */ + break; + case FT_UNSIGNED_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long", objfile); + break; + case FT_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + 0, "long long", objfile); + break; + case FT_SIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_SIGNED, "signed long long", objfile); + break; + case FT_UNSIGNED_LONG_LONG: + type = init_type (TYPE_CODE_INT, + TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); + break; + case FT_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, "float", objfile); + break; + case FT_DBL_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, "double", objfile); + break; + case FT_FLOAT_DECIMAL: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, "floating decimal", objfile); + break; + case FT_EXT_PREC_FLOAT: + type = init_type (TYPE_CODE_FLT, + TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, + 0, "long double", objfile); + break; + case FT_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, "complex", objfile); + break; + case FT_DBL_PREC_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, "double complex", objfile); + break; + case FT_EXT_PREC_COMPLEX: + type = init_type (TYPE_CODE_FLT, + TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT, + 0, "long double complex", objfile); + break; + } + return (type); +} + + +/* Table of operators and their precedences for printing expressions. */ + +const static struct op_print m2_op_print_tab[] = { + {"+", BINOP_ADD, PREC_ADD, 0}, + {"+", UNOP_PLUS, PREC_PREFIX, 0}, + {"-", BINOP_SUB, PREC_ADD, 0}, + {"-", UNOP_NEG, PREC_PREFIX, 0}, + {"*", BINOP_MUL, PREC_MUL, 0}, + {"/", BINOP_DIV, PREC_MUL, 0}, + {"DIV", BINOP_INTDIV, PREC_MUL, 0}, + {"MOD", BINOP_REM, PREC_MUL, 0}, + {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, + {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, + {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, + {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, + {"=", BINOP_EQUAL, PREC_EQUAL, 0}, + {"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0}, + {"<=", BINOP_LEQ, PREC_ORDER, 0}, + {">=", BINOP_GEQ, PREC_ORDER, 0}, + {">", BINOP_GTR, PREC_ORDER, 0}, + {"<", BINOP_LESS, PREC_ORDER, 0}, + {"^", UNOP_IND, PREC_PREFIX, 0}, + {"@", BINOP_REPEAT, PREC_REPEAT, 0}, + {NULL, 0, 0, 0} +}; + +/* The built-in types of Modula-2. */ + +struct type *builtin_type_m2_char; +struct type *builtin_type_m2_int; +struct type *builtin_type_m2_card; +struct type *builtin_type_m2_real; +struct type *builtin_type_m2_bool; + +struct type ** const (m2_builtin_types[]) = +{ + &builtin_type_m2_char, + &builtin_type_m2_int, + &builtin_type_m2_card, + &builtin_type_m2_real, + &builtin_type_m2_bool, + 0 +}; + +const struct language_defn m2_language_defn = { + "modula-2", + language_m2, + m2_builtin_types, + range_check_on, + type_check_on, + m2_parse, /* parser */ + m2_error, /* parser error function */ + m2_printchar, /* Print character constant */ + m2_printstr, /* function to print string constant */ + m2_create_fundamental_type, /* Create fundamental type in this language */ + &builtin_type_m2_int, /* longest signed integral type */ + &builtin_type_m2_card, /* longest unsigned integral type */ + &builtin_type_m2_real, /* longest floating point type */ + {"", "", "", ""}, /* Binary format info */ + {"%oB", "", "o", "B"}, /* Octal format info */ + {"%d", "", "d", ""}, /* Decimal format info */ + {"0%XH", "0", "X", "H"}, /* Hex format info */ + m2_op_print_tab, /* expression operators for printing */ + LANG_MAGIC +}; + +/* Initialization for Modula-2 */ + +void +_initialize_m2_exp () +{ + /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */ + builtin_type_m2_int = + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + 0, + "INTEGER", (struct objfile *) NULL); + builtin_type_m2_card = + init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "CARDINAL", (struct objfile *) NULL); + builtin_type_m2_real = + init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, + 0, + "REAL", (struct objfile *) NULL); + builtin_type_m2_char = + init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "CHAR", (struct objfile *) NULL); + builtin_type_m2_bool = + init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT, + TYPE_FLAG_UNSIGNED, + "BOOLEAN", (struct objfile *) NULL); + + TYPE_NFIELDS(builtin_type_m2_bool) = 2; + TYPE_FIELDS(builtin_type_m2_bool) = + (struct field *) malloc (sizeof (struct field) * 2); + TYPE_FIELD_BITPOS(builtin_type_m2_bool,0) = 0; + TYPE_FIELD_NAME(builtin_type_m2_bool,0) = (char *)malloc(6); + strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,0),"FALSE"); + TYPE_FIELD_BITPOS(builtin_type_m2_bool,1) = 1; + TYPE_FIELD_NAME(builtin_type_m2_bool,1) = (char *)malloc(5); + strcpy(TYPE_FIELD_NAME(builtin_type_m2_bool,1),"TRUE"); + + add_language (&m2_language_defn); +} diff --git a/gdb/m2-lang.h b/gdb/m2-lang.h new file mode 100644 index 0000000..1de31fe --- /dev/null +++ b/gdb/m2-lang.h @@ -0,0 +1,24 @@ +/* Modula 2 language support definitions for GDB, the GNU debugger. + Copyright 1992 Free Software Foundation, Inc. + +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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +extern int +m2_parse PARAMS ((void)); /* Defined in m2-exp.y */ + +extern void +m2_error PARAMS ((char *)); /* Defined in m2-exp.y */ |