X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8a8dc872faedb8725ab1d82966ef7b4375aff0d9..e62f1a899168bdf1658dd6d934dea407491a80ff:/src/parse-gram.c diff --git a/src/parse-gram.c b/src/parse-gram.c index 266b4e8a..19a0252d 100644 --- a/src/parse-gram.c +++ b/src/parse-gram.c @@ -1,4 +1,4 @@ -/* A Bison parser, made by GNU Bison 1.875e. */ +/* A Bison parser, made by GNU Bison 2.0a. */ /* Skeleton parser for Yacc-like parsing with Bison, Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. @@ -45,8 +45,7 @@ /* Using locations. */ #define YYLSP_NEEDED 1 -/* If NAME_PREFIX is specified substitute the variables and functions - names. */ +/* Substitute the variable and function names. */ #define yyparse gram_parse #define yylex gram_lex #define yyerror gram_error @@ -167,7 +166,7 @@ /* Copy the first part of user declarations. */ -#line 1 "../../src/parse-gram.y" +#line 1 "parse-gram.y" /* Bison Grammar Parser -*- C -*- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. @@ -243,7 +242,7 @@ int current_prec = 0; #endif #if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -#line 81 "../../src/parse-gram.y" +#line 81 "parse-gram.y" typedef union YYSTYPE { symbol *symbol; symbol_list *list; @@ -253,7 +252,7 @@ typedef union YYSTYPE { uniqstr uniqstr; } YYSTYPE; /* Line 191 of yacc.c. */ -#line 257 "../../src/parse-gram.c" +#line 256 "parse-gram.c" # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 # define YYSTYPE_IS_TRIVIAL 1 @@ -277,7 +276,7 @@ typedef struct YYLTYPE /* Line 214 of yacc.c. */ -#line 281 "../../src/parse-gram.c" +#line 280 "parse-gram.c" #if ! defined (yyoverflow) || YYERROR_VERBOSE @@ -292,14 +291,10 @@ typedef struct YYLTYPE # ifdef YYSTACK_USE_ALLOCA # if YYSTACK_USE_ALLOCA -# define YYSTACK_ALLOC alloca -# endif -# else -# if defined (alloca) || defined (_ALLOCA_H) -# define YYSTACK_ALLOC alloca -# else # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca +# else +# define YYSTACK_ALLOC alloca # endif # endif # endif @@ -350,7 +345,7 @@ union yyalloc # define YYCOPY(To, From, Count) \ do \ { \ - register YYSIZE_T yyi; \ + YYSIZE_T yyi; \ for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ @@ -734,22 +729,25 @@ while (0) If N is 0, then set CURRENT to the empty location which ends the previous symbol: RHS[0] (always defined). */ +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) #ifndef YYLLOC_DEFAULT -# define YYLLOC_DEFAULT(Current, Rhs, N) \ -do { \ - if (N) \ - { \ - (Current).first_line = (Rhs)[1].first_line; \ - (Current).first_column = (Rhs)[1].first_column; \ - (Current).last_line = (Rhs)[N].last_line; \ - (Current).last_column = (Rhs)[N].last_column; \ - } \ - else \ - { \ - (Current).first_line = (Current).last_line = (Rhs)[0].last_line; \ - (Current).first_column = (Current).last_column = (Rhs)[0].last_column; \ - } \ -} while(0) +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (N) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (0) #endif @@ -882,10 +880,6 @@ int yydebug; SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) evaluated with infinite-precision integer arithmetic. */ -#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 -# undef YYMAXDEPTH -#endif - #ifndef YYMAXDEPTH # define YYMAXDEPTH 10000 #endif @@ -907,7 +901,7 @@ yystrlen (yystr) const char *yystr; # endif { - register const char *yys = yystr; + const char *yys = yystr; while (*yys++ != '\0') continue; @@ -932,8 +926,8 @@ yystpcpy (yydest, yysrc) const char *yysrc; # endif { - register char *yyd = yydest; - register const char *yys = yysrc; + char *yyd = yydest; + const char *yys = yysrc; while ((*yyd++ = *yys++) != '\0') continue; @@ -1076,8 +1070,8 @@ int yynerrs; /* Location data for the look-ahead symbol. */ YYLTYPE yylloc; - register int yystate; - register int yyn; + int yystate; + int yyn; int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; @@ -1095,12 +1089,12 @@ YYLTYPE yylloc; /* The state stack. */ short int yyssa[YYINITDEPTH]; short int *yyss = yyssa; - register short int *yyssp; + short int *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs = yyvsa; - register YYSTYPE *yyvsp; + YYSTYPE *yyvsp; /* The location stack. */ YYLTYPE yylsa[YYINITDEPTH]; @@ -1145,7 +1139,7 @@ YYLTYPE yylloc; /* User initialization code. */ - #line 71 "../../src/parse-gram.y" + #line 71 "parse-gram.y" { /* Bison's grammar can initial empty locations, hence a default location is needed. */ @@ -1153,8 +1147,8 @@ YYLTYPE yylloc; yylloc.start.line = yylloc.end.line = 1; yylloc.start.column = yylloc.end.column = 0; } -/* Line 848 of yacc.c. */ -#line 1158 "../../src/parse-gram.c" +/* Line 843 of yacc.c. */ +#line 1152 "parse-gram.c" yyvsp[0] = yylval; yylsp[0] = yylloc; @@ -1345,47 +1339,47 @@ yyreduce: switch (yyn) { case 6: -#line 189 "../../src/parse-gram.y" - { prologue_augment (yyvsp[0].chars, yylsp[0]); } +#line 189 "parse-gram.y" + { prologue_augment ((yyvsp[0].chars), (yylsp[0])); } break; case 7: -#line 190 "../../src/parse-gram.y" +#line 190 "parse-gram.y" { debug_flag = true; } break; case 8: -#line 191 "../../src/parse-gram.y" - { muscle_insert (yyvsp[-1].chars, yyvsp[0].chars); } +#line 191 "parse-gram.y" + { muscle_insert ((yyvsp[-1].chars), (yyvsp[0].chars)); } break; case 9: -#line 192 "../../src/parse-gram.y" +#line 192 "parse-gram.y" { defines_flag = true; } break; case 10: -#line 193 "../../src/parse-gram.y" +#line 193 "parse-gram.y" { error_verbose = true; } break; case 11: -#line 194 "../../src/parse-gram.y" - { expected_sr_conflicts = yyvsp[0].integer; } +#line 194 "parse-gram.y" + { expected_sr_conflicts = (yyvsp[0].integer); } break; case 12: -#line 195 "../../src/parse-gram.y" - { expected_rr_conflicts = yyvsp[0].integer; } +#line 195 "parse-gram.y" + { expected_rr_conflicts = (yyvsp[0].integer); } break; case 13: -#line 196 "../../src/parse-gram.y" - { spec_file_prefix = yyvsp[0].chars; } +#line 196 "parse-gram.y" + { spec_file_prefix = (yyvsp[0].chars); } break; case 14: -#line 198 "../../src/parse-gram.y" +#line 198 "parse-gram.y" { nondeterministic_parser = true; glr_parser = true; @@ -1393,129 +1387,129 @@ yyreduce: break; case 15: -#line 203 "../../src/parse-gram.y" +#line 203 "parse-gram.y" { - muscle_code_grow ("initial_action", yyvsp[0].chars, yylsp[0]); + muscle_code_grow ("initial_action", (yyvsp[0].chars), (yylsp[0])); } break; case 16: -#line 206 "../../src/parse-gram.y" - { add_param ("lex_param", yyvsp[0].chars, yylsp[0]); } +#line 206 "parse-gram.y" + { add_param ("lex_param", (yyvsp[0].chars), (yylsp[0])); } break; case 17: -#line 207 "../../src/parse-gram.y" +#line 207 "parse-gram.y" { locations_flag = true; } break; case 18: -#line 208 "../../src/parse-gram.y" - { spec_name_prefix = yyvsp[0].chars; } +#line 208 "parse-gram.y" + { spec_name_prefix = (yyvsp[0].chars); } break; case 19: -#line 209 "../../src/parse-gram.y" +#line 209 "parse-gram.y" { no_lines_flag = true; } break; case 20: -#line 210 "../../src/parse-gram.y" +#line 210 "parse-gram.y" { nondeterministic_parser = true; } break; case 21: -#line 211 "../../src/parse-gram.y" - { spec_outfile = yyvsp[0].chars; } +#line 211 "parse-gram.y" + { spec_outfile = (yyvsp[0].chars); } break; case 22: -#line 212 "../../src/parse-gram.y" - { add_param ("parse_param", yyvsp[0].chars, yylsp[0]); } +#line 212 "parse-gram.y" + { add_param ("parse_param", (yyvsp[0].chars), (yylsp[0])); } break; case 23: -#line 213 "../../src/parse-gram.y" +#line 213 "parse-gram.y" { pure_parser = true; } break; case 24: -#line 214 "../../src/parse-gram.y" - { skeleton = yyvsp[0].chars; } +#line 214 "parse-gram.y" + { skeleton = (yyvsp[0].chars); } break; case 25: -#line 215 "../../src/parse-gram.y" +#line 215 "parse-gram.y" { token_table_flag = true; } break; case 26: -#line 216 "../../src/parse-gram.y" +#line 216 "parse-gram.y" { report_flag = report_states; } break; case 27: -#line 217 "../../src/parse-gram.y" +#line 217 "parse-gram.y" { yacc_flag = true; } break; case 31: -#line 225 "../../src/parse-gram.y" +#line 225 "parse-gram.y" { - grammar_start_symbol_set (yyvsp[0].symbol, yylsp[0]); + grammar_start_symbol_set ((yyvsp[0].symbol), (yylsp[0])); } break; case 32: -#line 229 "../../src/parse-gram.y" +#line 229 "parse-gram.y" { typed = true; - MUSCLE_INSERT_INT ("stype_line", yylsp[0].start.line); - muscle_insert ("stype", yyvsp[0].chars); + MUSCLE_INSERT_INT ("stype_line", (yylsp[0]).start.line); + muscle_insert ("stype", (yyvsp[0].chars)); } break; case 33: -#line 235 "../../src/parse-gram.y" +#line 235 "parse-gram.y" { symbol_list *list; - for (list = yyvsp[0].list; list; list = list->next) - symbol_destructor_set (list->sym, yyvsp[-1].chars, yylsp[-1]); - symbol_list_free (yyvsp[0].list); + for (list = (yyvsp[0].list); list; list = list->next) + symbol_destructor_set (list->sym, (yyvsp[-1].chars), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); } break; case 34: -#line 242 "../../src/parse-gram.y" +#line 242 "parse-gram.y" { symbol_list *list; - for (list = yyvsp[0].list; list; list = list->next) - symbol_printer_set (list->sym, yyvsp[-1].chars, list->location); - symbol_list_free (yyvsp[0].list); + for (list = (yyvsp[0].list); list; list = list->next) + symbol_printer_set (list->sym, (yyvsp[-1].chars), list->location); + symbol_list_free ((yyvsp[0].list)); } break; case 35: -#line 249 "../../src/parse-gram.y" +#line 249 "parse-gram.y" { default_prec = true; } break; case 36: -#line 253 "../../src/parse-gram.y" +#line 253 "parse-gram.y" { default_prec = false; } break; case 37: -#line 259 "../../src/parse-gram.y" +#line 259 "parse-gram.y" { current_class = nterm_sym; } break; case 38: -#line 260 "../../src/parse-gram.y" +#line 260 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; @@ -1523,12 +1517,12 @@ yyreduce: break; case 39: -#line 264 "../../src/parse-gram.y" +#line 264 "parse-gram.y" { current_class = token_sym; } break; case 40: -#line 265 "../../src/parse-gram.y" +#line 265 "parse-gram.y" { current_class = unknown_sym; current_type = NULL; @@ -1536,212 +1530,213 @@ yyreduce: break; case 41: -#line 270 "../../src/parse-gram.y" +#line 270 "parse-gram.y" { symbol_list *list; - for (list = yyvsp[0].list; list; list = list->next) - symbol_type_set (list->sym, yyvsp[-1].uniqstr, yylsp[-1]); - symbol_list_free (yyvsp[0].list); + for (list = (yyvsp[0].list); list; list = list->next) + symbol_type_set (list->sym, (yyvsp[-1].uniqstr), (yylsp[-1])); + symbol_list_free ((yyvsp[0].list)); } break; case 42: -#line 280 "../../src/parse-gram.y" +#line 280 "parse-gram.y" { symbol_list *list; ++current_prec; - for (list = yyvsp[0].list; list; list = list->next) + for (list = (yyvsp[0].list); list; list = list->next) { - symbol_type_set (list->sym, current_type, yylsp[-1]); - symbol_precedence_set (list->sym, current_prec, yyvsp[-2].assoc, yylsp[-2]); + symbol_type_set (list->sym, current_type, (yylsp[-1])); + symbol_precedence_set (list->sym, current_prec, (yyvsp[-2].assoc), (yylsp[-2])); } - symbol_list_free (yyvsp[0].list); + symbol_list_free ((yyvsp[0].list)); current_type = NULL; } break; case 43: -#line 294 "../../src/parse-gram.y" - { yyval.assoc = left_assoc; } +#line 294 "parse-gram.y" + { (yyval.assoc) = left_assoc; } break; case 44: -#line 295 "../../src/parse-gram.y" - { yyval.assoc = right_assoc; } +#line 295 "parse-gram.y" + { (yyval.assoc) = right_assoc; } break; case 45: -#line 296 "../../src/parse-gram.y" - { yyval.assoc = non_assoc; } +#line 296 "parse-gram.y" + { (yyval.assoc) = non_assoc; } break; case 46: -#line 300 "../../src/parse-gram.y" +#line 300 "parse-gram.y" { current_type = NULL; } break; case 47: -#line 301 "../../src/parse-gram.y" - { current_type = yyvsp[0].uniqstr; } +#line 301 "parse-gram.y" + { current_type = (yyvsp[0].uniqstr); } break; case 48: -#line 307 "../../src/parse-gram.y" - { yyval.list = symbol_list_new (yyvsp[0].symbol, yylsp[0]); } +#line 307 "parse-gram.y" + { (yyval.list) = symbol_list_new ((yyvsp[0].symbol), (yylsp[0])); } break; case 49: -#line 308 "../../src/parse-gram.y" - { yyval.list = symbol_list_prepend (yyvsp[-1].list, yyvsp[0].symbol, yylsp[0]); } +#line 308 "parse-gram.y" + { (yyval.list) = symbol_list_prepend ((yyvsp[-1].list), (yyvsp[0].symbol), (yylsp[0])); } break; case 50: -#line 314 "../../src/parse-gram.y" +#line 314 "parse-gram.y" { - current_type = yyvsp[0].uniqstr; + current_type = (yyvsp[0].uniqstr); } break; case 51: -#line 318 "../../src/parse-gram.y" +#line 318 "parse-gram.y" { - symbol_class_set (yyvsp[0].symbol, current_class, yylsp[0]); - symbol_type_set (yyvsp[0].symbol, current_type, yylsp[0]); + symbol_class_set ((yyvsp[0].symbol), current_class, (yylsp[0])); + symbol_type_set ((yyvsp[0].symbol), current_type, (yylsp[0])); } break; case 52: -#line 323 "../../src/parse-gram.y" +#line 323 "parse-gram.y" { - symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); - symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); - symbol_user_token_number_set (yyvsp[-1].symbol, yyvsp[0].integer, yylsp[0]); + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1])); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_user_token_number_set ((yyvsp[-1].symbol), (yyvsp[0].integer), (yylsp[0])); } break; case 53: -#line 329 "../../src/parse-gram.y" +#line 329 "parse-gram.y" { - symbol_class_set (yyvsp[-1].symbol, current_class, yylsp[-1]); - symbol_type_set (yyvsp[-1].symbol, current_type, yylsp[-1]); - symbol_make_alias (yyvsp[-1].symbol, yyvsp[0].symbol, yyloc); + symbol_class_set ((yyvsp[-1].symbol), current_class, (yylsp[-1])); + symbol_type_set ((yyvsp[-1].symbol), current_type, (yylsp[-1])); + symbol_make_alias ((yyvsp[-1].symbol), (yyvsp[0].symbol), (yyloc)); } break; case 54: -#line 335 "../../src/parse-gram.y" +#line 335 "parse-gram.y" { - symbol_class_set (yyvsp[-2].symbol, current_class, yylsp[-2]); - symbol_type_set (yyvsp[-2].symbol, current_type, yylsp[-2]); - symbol_user_token_number_set (yyvsp[-2].symbol, yyvsp[-1].integer, yylsp[-1]); - symbol_make_alias (yyvsp[-2].symbol, yyvsp[0].symbol, yyloc); + symbol_class_set ((yyvsp[-2].symbol), current_class, (yylsp[-2])); + symbol_type_set ((yyvsp[-2].symbol), current_type, (yylsp[-2])); + symbol_user_token_number_set ((yyvsp[-2].symbol), (yyvsp[-1].integer), (yylsp[-1])); + symbol_make_alias ((yyvsp[-2].symbol), (yyvsp[0].symbol), (yyloc)); } break; case 60: -#line 364 "../../src/parse-gram.y" +#line 364 "parse-gram.y" { if (yacc_flag) - complain_at (yyloc, _("POSIX forbids declarations in the grammar")); + complain_at ((yyloc), _("POSIX forbids declarations in the grammar")); } break; case 61: -#line 369 "../../src/parse-gram.y" +#line 369 "parse-gram.y" { yyerrok; } break; case 62: -#line 375 "../../src/parse-gram.y" - { current_lhs = yyvsp[0].symbol; current_lhs_location = yylsp[0]; } +#line 375 "parse-gram.y" + { current_lhs = (yyvsp[0].symbol); current_lhs_location = (yylsp[0]); } break; case 64: -#line 379 "../../src/parse-gram.y" - { grammar_rule_end (yylsp[0]); } +#line 379 "parse-gram.y" + { grammar_rule_end ((yylsp[0])); } break; case 65: -#line 380 "../../src/parse-gram.y" - { grammar_rule_end (yylsp[0]); } +#line 380 "parse-gram.y" + { grammar_rule_end ((yylsp[0])); } break; case 67: -#line 386 "../../src/parse-gram.y" +#line 386 "parse-gram.y" { grammar_rule_begin (current_lhs, current_lhs_location); } break; case 68: -#line 388 "../../src/parse-gram.y" - { grammar_current_rule_symbol_append (yyvsp[0].symbol, yylsp[0]); } +#line 388 "parse-gram.y" + { grammar_current_rule_symbol_append ((yyvsp[0].symbol), (yylsp[0])); } break; case 69: -#line 390 "../../src/parse-gram.y" - { grammar_current_rule_action_append (yyvsp[0].chars, yylsp[0]); } +#line 390 "parse-gram.y" + { grammar_current_rule_action_append ((yyvsp[0].chars), (yylsp[0])); } break; case 70: -#line 392 "../../src/parse-gram.y" - { grammar_current_rule_prec_set (yyvsp[0].symbol, yylsp[0]); } +#line 392 "parse-gram.y" + { grammar_current_rule_prec_set ((yyvsp[0].symbol), (yylsp[0])); } break; case 71: -#line 394 "../../src/parse-gram.y" - { grammar_current_rule_dprec_set (yyvsp[0].integer, yylsp[0]); } +#line 394 "parse-gram.y" + { grammar_current_rule_dprec_set ((yyvsp[0].integer), (yylsp[0])); } break; case 72: -#line 396 "../../src/parse-gram.y" - { grammar_current_rule_merge_set (yyvsp[0].uniqstr, yylsp[0]); } +#line 396 "parse-gram.y" + { grammar_current_rule_merge_set ((yyvsp[0].uniqstr), (yylsp[0])); } break; case 73: -#line 400 "../../src/parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 400 "parse-gram.y" + { (yyval.symbol) = (yyvsp[0].symbol); } break; case 74: -#line 401 "../../src/parse-gram.y" - { yyval.symbol = yyvsp[0].symbol; } +#line 401 "parse-gram.y" + { (yyval.symbol) = (yyvsp[0].symbol); } break; case 75: -#line 406 "../../src/parse-gram.y" - { yyval.chars = yyvsp[0].chars; } +#line 406 "parse-gram.y" + { (yyval.chars) = (yyvsp[0].chars); } break; case 76: -#line 412 "../../src/parse-gram.y" +#line 412 "parse-gram.y" { - yyval.symbol = symbol_get (yyvsp[0].chars, yylsp[0]); - symbol_class_set (yyval.symbol, token_sym, yylsp[0]); + (yyval.symbol) = symbol_get ((yyvsp[0].chars), (yylsp[0])); + symbol_class_set ((yyval.symbol), token_sym, (yylsp[0])); } break; case 77: -#line 421 "../../src/parse-gram.y" +#line 421 "parse-gram.y" { - yyval.chars = yyvsp[0].chars + 1; - yyval.chars[strlen (yyval.chars) - 1] = '\0'; + (yyval.chars) = (yyvsp[0].chars) + 1; + (yyval.chars)[strlen ((yyval.chars)) - 1] = '\0'; } break; case 79: -#line 430 "../../src/parse-gram.y" +#line 430 "parse-gram.y" { - muscle_code_grow ("epilogue", yyvsp[0].chars, yylsp[0]); + muscle_code_grow ("epilogue", (yyvsp[0].chars), (yylsp[0])); scanner_last_string_free (); } break; + default: break; } -/* Line 1043 of yacc.c. */ -#line 1745 "../../src/parse-gram.c" +/* Line 1039 of yacc.c. */ +#line 1740 "parse-gram.c" yyvsp -= yylen; yyssp -= yylen; @@ -1876,12 +1871,11 @@ yyerrlab: `---------------------------------------------------*/ yyerrorlab: -#ifdef __GNUC__ - /* Pacify GCC when the user code never invokes YYERROR and the label - yyerrorlab therefore never appears in user code. */ + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ if (0) goto yyerrorlab; -#endif yyerror_range[0] = yylsp[1-yylen]; yylsp -= yylen; @@ -1976,7 +1970,7 @@ yyreturn: } -#line 436 "../../src/parse-gram.y" +#line 436 "parse-gram.y" @@ -2024,7 +2018,8 @@ add_param (char const *type, char *decl, location loc) char const *name_start = NULL; char *p; - for (p = decl; *p; p++) + /* Stop on last actual character. */ + for (p = decl; p[1]; p++) if ((p == decl || ! memchr (alphanum, p[-1], sizeof alphanum)) && memchr (alphanum, p[0], sizeof alphanum - 10)) @@ -2034,7 +2029,7 @@ add_param (char const *type, char *decl, location loc) the braces. */ while (*--p == ' ' || *p == '\t') continue; - *p = '\0'; + p[1] = '\0'; while (*++decl == ' ' || *decl == '\t') continue;