X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f753cd62928695ffad07071adbba4227db00f32f..4b7a4c1b1c8c18e9ad2517c117442b9b7d7e671a:/src/muscle_tab.h?ds=sidebyside diff --git a/src/muscle_tab.h b/src/muscle_tab.h index c61c6b6a..e06126b3 100644 --- a/src/muscle_tab.h +++ b/src/muscle_tab.h @@ -1,36 +1,211 @@ -/* Definitions for macrotab.c and callers, part of bison, - Copyright 2001 Free Software Foundation, Inc. +/* Muscle table manager for Bison, + Copyright (C) 2001, 2002, 2003, 2006, 2007, 2009 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. - Bison is free software; you can redistribute it and/or modify + 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, or (at your option) - any later version. + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - Bison is distributed in the hope that it will be useful, + 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 Bison; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef MUSCLE_TAB_H_ -# define MUSCLE_TAB_H +# define MUSCLE_TAB_H_ -# define MTABSIZE 101 +# include "location.h" -typedef struct muscle_entry_s -{ - const char *key; - const char *value; -} muscle_entry_t; +void muscle_init (void); +void muscle_insert (char const *key, char const *value); +char const *muscle_find_const (char const *key); +char *muscle_find (char const *key); +void muscle_free (void); -void muscle_init PARAMS ((void)); -void muscle_insert PARAMS ((const char *key, const char *value)); -const char *muscle_find PARAMS ((const char *key)); + +/* An obstack dedicated to receive muscle keys and values. */ +extern struct obstack muscle_obstack; + +#define MUSCLE_INSERT_BOOL(Key, Value) \ +do { \ + int v = Value; \ + MUSCLE_INSERT_INT (Key, v); \ +} while(0) + +#define MUSCLE_INSERT_INT(Key, Value) \ +do { \ + obstack_fgrow1 (&muscle_obstack, "%d", Value); \ + obstack_1grow (&muscle_obstack, 0); \ + muscle_insert (Key, obstack_finish (&muscle_obstack)); \ +} while(0) + +#define MUSCLE_INSERT_LONG_INT(Key, Value) \ +do { \ + obstack_fgrow1 (&muscle_obstack, "%ld", Value); \ + obstack_1grow (&muscle_obstack, 0); \ + muscle_insert (Key, obstack_finish (&muscle_obstack)); \ +} while(0) + +#define MUSCLE_INSERT_STRING_RAW(Key, Value) \ +do { \ + obstack_sgrow (&muscle_obstack, Value); \ + obstack_1grow (&muscle_obstack, 0); \ + muscle_insert (Key, obstack_finish (&muscle_obstack)); \ +} while(0) + +#define MUSCLE_INSERT_STRING(Key, Value) \ +do { \ + MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value); \ + obstack_1grow (&muscle_obstack, 0); \ + muscle_insert (Key, obstack_finish (&muscle_obstack)); \ +} while(0) + +#define MUSCLE_OBSTACK_SGROW(Obstack, Value) \ +do { \ + char const *p; \ + for (p = Value; *p; p++) \ + switch (*p) \ + { \ + case '$': obstack_sgrow (Obstack, "$]["); break; \ + case '@': obstack_sgrow (Obstack, "@@" ); break; \ + case '[': obstack_sgrow (Obstack, "@{" ); break; \ + case ']': obstack_sgrow (Obstack, "@}" ); break; \ + default: obstack_1grow (Obstack, *p); break; \ + } \ +} while(0) + +#define MUSCLE_INSERT_C_STRING(Key, Value) \ +do { \ + MUSCLE_OBSTACK_SGROW (&muscle_obstack, \ + quotearg_style (c_quoting_style, \ + Value)); \ + obstack_1grow (&muscle_obstack, 0); \ + muscle_insert (Key, obstack_finish (&muscle_obstack)); \ +} while(0) + +/* Append VALUE to the current value of KEY. If KEY did not already + exist, create it. Use MUSCLE_OBSTACK. De-allocate the previously + associated value. Copy VALUE and SEPARATOR. */ + +void muscle_grow (const char *key, const char *value, const char *separator); + + +/* Append VALUE to the current value of KEY, using muscle_grow. But + in addition, issue a synchronization line for the location LOC. */ + +void muscle_code_grow (const char *key, const char *value, location loc); + + +/* MUSCLE is an M4 list of pairs. Create or extend it with the pair + (A1, A2) after escaping both values with digraphs. Note that because the + muscle values are output *double* quoted, one needs to strip the first level + of quotes to reach the list itself. */ +void muscle_pair_list_grow (const char *muscle, + const char *a1, const char *a2); + +/* In the format `[[file_name:line.column]], [[file_name:line.column]]', append + LOC to MUSCLE. Use digraphs for special characters in each file name. */ +void muscle_location_grow (char const *key, location loc); + +/* In the format `file_name:line.column', append BOUND to MUSCLE. Use digraphs + for special characters in the file name. */ +void muscle_boundary_grow (char const *key, boundary bound); + +/* Grow KEY for the occurrence of the name USER_NAME at LOC appropriately for + use with b4_check_user_names in ../data/bison.m4. USER_NAME is not escaped + with digraphs, so it must not contain `[' or `]'. */ +void muscle_user_name_list_grow (char const *key, char const *user_name, + location loc); + +/* Indicates whether a variable's value was specified with -D/--define, with + -F/--force-define, or in the grammar file. */ +typedef enum { + MUSCLE_PERCENT_DEFINE_D = 0, MUSCLE_PERCENT_DEFINE_F, + MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE +} muscle_percent_define_how; + +/* Define the muscles for %define variable VARIABLE with VALUE specified + at VARIABLE_LOC in the manner HOW unless it was specified in the + grammar file while the previous definition for VARIABLE was specified + with -F/--force-define. Complain if a previous definition is being + overridden and the new definition is specified in the grammar file. + (These rules support the documented behavior as long as command-line + definitions are processed before grammar file definitions.) Record + this as a user occurrence of VARIABLE by invoking + muscle_user_name_list_grow. */ +void muscle_percent_define_insert (char const *variable, location variable_loc, + char const *value, + muscle_percent_define_how how); + +/* Mimic b4_percent_define_get in ../data/bison.m4 exactly. That is, if the + %define variable VARIABLE is defined, return its value. Otherwise, return + the empty string. Also, record Bison's usage of VARIABLE by defining + b4_percent_define_bison_variables(VARIABLE). The caller is responsible for + freeing the memory of the returned string. */ +char *muscle_percent_define_get (char const *variable); + +/* Mimic muscle_percent_define_get_loc in ../data/bison.m4 exactly. That is, + if the %define variable VARIABLE is undefined, complain fatally since that's + a Bison error. Otherwise, return its definition location in a form + approriate for the first argument of warn_at, complain_at, or fatal_at. + Don't record this as a Bison usage of VARIABLE as there's no reason to + suspect that the user-supplied value has yet influenced the output. */ +location muscle_percent_define_get_loc (char const *variable); + +/* Mimic muscle_percent_define_get_syncline in ../data/bison.m4 exactly. That + is, if the %define variable VARIABLE is undefined, complain fatally since + that's a Bison error. Otherwise, return its definition location as a + b4_syncline invocation. Don't record this as a Bison usage of VARIABLE as + there's no reason to suspect that the user-supplied value has yet influenced + the output. */ +char const *muscle_percent_define_get_syncline (char const *variable); + +/* Mimic b4_percent_define_ifdef in ../data/bison.m4 exactly. That is, if the + %define variable VARIABLE is defined, return true. Otherwise, return false. + Also, record Bison's usage of VARIABLE by defining + b4_percent_define_bison_variables(VARIABLE). */ +bool muscle_percent_define_ifdef (char const *variable); + +/* Mimic b4_percent_define_flag_if in ../data/bison.m4 exactly. That is, if + the %define variable VARIABLE is defined to "" or "true", return true. If + it is defined to "false", return false. Complain if it is undefined (a + Bison error since the default value should have been set already) or defined + to any other value (possibly a user error). Also, record Bison's usage of + VARIABLE by defining b4_percent_define_bison_variables(VARIABLE). */ +bool muscle_percent_define_flag_if (char const *variable); + +/* Mimic b4_percent_define_default in ../data/bison.m4 exactly. That is, if + the %define variable VARIABLE is undefined, set its value to VALUE. + Don't record this as a Bison usage of VARIABLE as there's no reason to + suspect that the value has yet influenced the output. */ +void muscle_percent_define_default (char const *variable, char const *value); + +/* Mimic b4_percent_define_check_values in ../data/bison.m4 exactly except that + the VALUES structure is more appropriate for C. That is, VALUES points to a + list of strings that is partitioned into sublists by NULL's, one terminating + each sublist. The last sublist is followed by a second NULL. For each + sublist, the first string is the name of a %define variable, and all + remaining strings in that sublist are the valid values for that variable. + Complain if such a variable is undefined (a Bison error since the default + value should have been set already) or defined to any other value (possibly + a user error). Don't record this as a Bison usage of the variable as + there's no reason to suspect that the value has yet influenced the + output. */ +void muscle_percent_define_check_values (char const * const *values); + +/* Grow the muscle for the %code qualifier QUALIFIER appearing at + QUALIFIER_LOC with code CODE appearing at CODE_LOC. Record this as a + user occurrence of QUALIFIER by invoking + muscle_user_name_list_grow. */ +void muscle_percent_code_grow (char const *qualifier, location qualifier_loc, + char const *code, location code_loc); + +void muscles_m4_output (FILE *out); #endif /* not MUSCLE_TAB_H_ */