From 071ea11e85eb9d529cc5eb3d35f6247466a21b99 Mon Sep 17 00:00:00 2001 From: Stan Shebs Date: Fri, 16 Apr 1999 01:34:07 +0000 Subject: Initial creation of sourceware repository --- gdb/c-lang.c | 527 ----------------------------------------------------------- 1 file changed, 527 deletions(-) delete mode 100644 gdb/c-lang.c (limited to 'gdb/c-lang.c') diff --git a/gdb/c-lang.c b/gdb/c-lang.c deleted file mode 100644 index e7aa055..0000000 --- a/gdb/c-lang.c +++ /dev/null @@ -1,527 +0,0 @@ -/* C language support routines for GDB, the GNU debugger. - Copyright 1992, 1993, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "symtab.h" -#include "gdbtypes.h" -#include "expression.h" -#include "parser-defs.h" -#include "language.h" -#include "c-lang.h" - -static void c_emit_char PARAMS ((int c, GDB_FILE *stream, int quoter)); - -/* 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 -c_emit_char (c, stream, quoter) - register int c; - GDB_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; - } - } -} - -void -c_printchar (c, stream) - int c; - GDB_FILE *stream; -{ - fputc_filtered ('\'', stream); - LA_EMIT_CHAR (c, stream, '\''); - fputc_filtered ('\'', stream); -} - -/* Print the character string STRING, printing at most LENGTH characters. - LENGTH is -1 if the string is nul terminated. Each character is WIDTH bytes - long. 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. */ - -void -c_printstr (stream, string, length, width, force_ellipses) - GDB_FILE *stream; - char *string; - unsigned int length; - int width; - 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 the string was not truncated due to `set print elements', and - the last byte of it is a null, we don't print that, in traditional C - style. */ - if (!force_ellipses - && length > 0 - && extract_unsigned_integer (string + (length - 1) * width, width) == '\0') - length--; - - if (length == 0) - { - fputs_filtered ("\"\"", 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; - unsigned long current_char; - - QUIT; - - if (need_comma) - { - fputs_filtered (", ", stream); - need_comma = 0; - } - - current_char = extract_unsigned_integer (string + i * width, width); - - rep1 = i + 1; - reps = 1; - while (rep1 < length - && extract_unsigned_integer (string + rep1 * width, width) - == current_char) - { - ++rep1; - ++reps; - } - - if (reps > repeat_count_threshold) - { - if (in_quotes) - { - if (inspect_it) - fputs_filtered ("\\\", ", stream); - else - fputs_filtered ("\", ", stream); - in_quotes = 0; - } - LA_PRINT_CHAR (current_char, stream); - fprintf_filtered (stream, " ", 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; - } - LA_EMIT_CHAR (current_char, 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 */ - -struct type * -c_create_fundamental_type (objfile, typeid) - struct objfile *objfile; - int typeid; -{ - register struct type *type = NULL; - - 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 "". 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, "", 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_BOOLEAN: - type = init_type (TYPE_CODE_BOOL, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "bool", objfile); - - break; - case FT_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "char", objfile); - TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN; - break; - case FT_SIGNED_CHAR: - type = init_type (TYPE_CODE_INT, - TARGET_CHAR_BIT / TARGET_CHAR_BIT, - 0, "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, - 0, "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, - 0, "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, - 0, "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, - 0, "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; - case FT_TEMPLATE_ARG: - type = init_type (TYPE_CODE_TEMPLATE_ARG, - 0, - 0, "