X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/6cf3716c3166d6d41cdbeea45d018b1760184421..6c05543cb03b40b9728f7073c4073ce993d796c6:/src/muscle-tab.c diff --git a/src/muscle-tab.c b/src/muscle-tab.c index 57050d05..8e569812 100644 --- a/src/muscle-tab.c +++ b/src/muscle-tab.c @@ -157,12 +157,9 @@ muscle_grow (const char *key, const char *val, const char *separator) { /* Grow the current value. */ char *new_val; - obstack_sgrow (&muscle_obstack, entry->value); + obstack_printf (&muscle_obstack, "%s%s%s", entry->value, separator, val); free (entry->storage); - obstack_sgrow (&muscle_obstack, separator); - obstack_sgrow (&muscle_obstack, val); - obstack_1grow (&muscle_obstack, 0); - new_val = obstack_finish (&muscle_obstack); + new_val = obstack_finish0 (&muscle_obstack); entry->value = entry->storage = xstrdup (new_val); obstack_free (&muscle_obstack, new_val); } @@ -177,12 +174,11 @@ static void muscle_syncline_grow (char const *key, location loc) { char *extension = NULL; - obstack_fgrow1 (&muscle_obstack, "]b4_syncline(%d, [[", loc.start.line); - MUSCLE_OBSTACK_SGROW (&muscle_obstack, - quotearg_style (c_quoting_style, loc.start.file)); - obstack_sgrow (&muscle_obstack, "]])["); - obstack_1grow (&muscle_obstack, 0); - extension = obstack_finish (&muscle_obstack); + obstack_printf (&muscle_obstack, "]b4_syncline(%d, ", loc.start.line); + obstack_quote (&muscle_obstack, + quotearg_style (c_quoting_style, loc.start.file)); + obstack_sgrow (&muscle_obstack, ")["); + extension = obstack_finish0 (&muscle_obstack); muscle_grow (key, extension, ""); obstack_free (&muscle_obstack, extension); } @@ -205,13 +201,12 @@ void muscle_pair_list_grow (const char *muscle, const char *a1, const char *a2) { char *pair; - obstack_sgrow (&muscle_obstack, "[[["); - MUSCLE_OBSTACK_SGROW (&muscle_obstack, a1); - obstack_sgrow (&muscle_obstack, "]], [["); - MUSCLE_OBSTACK_SGROW (&muscle_obstack, a2); - obstack_sgrow (&muscle_obstack, "]]]"); - obstack_1grow (&muscle_obstack, 0); - pair = obstack_finish (&muscle_obstack); + obstack_sgrow (&muscle_obstack, "["); + obstack_quote (&muscle_obstack, a1); + obstack_sgrow (&muscle_obstack, ", "); + obstack_quote (&muscle_obstack, a2); + obstack_sgrow (&muscle_obstack, "]"); + pair = obstack_finish0 (&muscle_obstack); muscle_grow (muscle, pair, ",\n"); obstack_free (&muscle_obstack, pair); } @@ -259,65 +254,67 @@ muscle_find (char const *key) } -void +/* In the format `file_name:line.column', append BOUND to MUSCLE. Use + digraphs for special characters in the file name. */ + +static void muscle_boundary_grow (char const *key, boundary bound) { char *extension; - MUSCLE_OBSTACK_SGROW (&muscle_obstack, bound.file); - obstack_1grow (&muscle_obstack, ':'); - obstack_fgrow1 (&muscle_obstack, "%d", bound.line); - obstack_1grow (&muscle_obstack, '.'); - obstack_fgrow1 (&muscle_obstack, "%d", bound.column); - obstack_1grow (&muscle_obstack, '\0'); - extension = obstack_finish (&muscle_obstack); + obstack_sgrow (&muscle_obstack, "[["); + obstack_escape (&muscle_obstack, bound.file); + obstack_printf (&muscle_obstack, ":%d.%d]]", bound.line, bound.column); + extension = obstack_finish0 (&muscle_obstack); muscle_grow (key, extension, ""); obstack_free (&muscle_obstack, extension); } -void + +/* In the format `[[file_name:line.column]], [[file_name:line.column]]', + append LOC to MUSCLE. Use digraphs for special characters in each + file name. */ + +static void muscle_location_grow (char const *key, location loc) { - muscle_grow (key, "[[", ""); muscle_boundary_grow (key, loc.start); - muscle_grow (key, "]], [[", ""); + muscle_grow (key, "", ", "); muscle_boundary_grow (key, loc.end); - muscle_grow (key, "]]", ""); } -#define MUSCLE_COMMON_DECODE(Value) \ - case '$': \ - aver (*++(Value) == ']'); \ - aver (*++(Value) == '['); \ - obstack_sgrow (&muscle_obstack, "$"); \ - break; \ - case '@': \ - switch (*++(Value)) \ - { \ - case '@': obstack_sgrow (&muscle_obstack, "@" ); break; \ - case '{': obstack_sgrow (&muscle_obstack, "[" ); break; \ - case '}': obstack_sgrow (&muscle_obstack, "]" ); break; \ - default: aver (false); break; \ - } \ - break; \ - default: \ - obstack_1grow (&muscle_obstack, *(Value)); \ +#define COMMON_DECODE(Value) \ + case '$': \ + aver (*++(Value) == ']'); \ + aver (*++(Value) == '['); \ + obstack_sgrow (&muscle_obstack, "$"); \ + break; \ + case '@': \ + switch (*++(Value)) \ + { \ + case '@': obstack_sgrow (&muscle_obstack, "@" ); break; \ + case '{': obstack_sgrow (&muscle_obstack, "[" ); break; \ + case '}': obstack_sgrow (&muscle_obstack, "]" ); break; \ + default: aver (false); break; \ + } \ + break; \ + default: \ + obstack_1grow (&muscle_obstack, *(Value)); \ break; -/* Reverse of MUSCLE_OBSTACK_SGROW. */ +/* Reverse of obstack_escape. */ static char * -muscle_string_decode (char const *key) +string_decode (char const *key) { - char const *value; + char const *value = muscle_find_const (key); char *value_decoded; char *result; - value = muscle_find_const (key); if (!value) return NULL; do { switch (*value) { - MUSCLE_COMMON_DECODE (value) + COMMON_DECODE (value) case '[': case ']': aver (false); @@ -332,7 +329,7 @@ muscle_string_decode (char const *key) /* Reverse of muscle_location_grow. */ static location -muscle_location_decode (char const *key) +location_decode (char const *key) { location loc; char const *value = muscle_find_const (key); @@ -342,7 +339,7 @@ muscle_location_decode (char const *key) while (*++value) switch (*value) { - MUSCLE_COMMON_DECODE (value) + COMMON_DECODE (value) case '[': aver (false); break; @@ -350,8 +347,7 @@ muscle_location_decode (char const *key) { char *boundary_str; aver (*++value == ']'); - obstack_1grow (&muscle_obstack, '\0'); - boundary_str = obstack_finish (&muscle_obstack); + boundary_str = obstack_finish0 (&muscle_obstack); switch (*++value) { case ',': @@ -392,7 +388,7 @@ muscle_user_name_list_grow (char const *key, char const *user_name, * otherwise \a variable. */ static char const * -muscle_percent_variable_update (char const *variable) +muscle_percent_variable_update (char const *variable, location variable_loc) { typedef struct { @@ -405,11 +401,18 @@ muscle_percent_variable_update (char const *variable) { "lr.keep_unreachable_states", "lr.keep-unreachable-states", }, { "namespace", "api.namespace", }, }; + char const *res = variable; int i; - for (i = 0; i < sizeof conversion / sizeof *conversion; ++i) + for (i = 0; i < ARRAY_CARDINALITY (conversion); ++i) if (STREQ (conversion[i].obsolete, variable)) - return conversion[i].updated; - return variable; + { + res = conversion[i].updated; + complain_at (variable_loc, Wdeprecated, + _("deprecated %%define variable name: %s, use %s"), + quote (variable), quote_n (1, res)); + break; + } + return res; } void @@ -423,7 +426,7 @@ muscle_percent_define_insert (char const *variable, location variable_loc, char const *how_name; /* Permit certain names with underscores for backward compatibility. */ - variable = muscle_percent_variable_update (variable); + variable = muscle_percent_variable_update (variable, variable_loc); name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")"); @@ -435,14 +438,13 @@ muscle_percent_define_insert (char const *variable, location variable_loc, if (how == MUSCLE_PERCENT_DEFINE_GRAMMAR_FILE && muscle_find_const (name)) { - muscle_percent_define_how how_old = - atoi (muscle_find_const (how_name)); + muscle_percent_define_how how_old = atoi (muscle_find_const (how_name)); if (how_old == MUSCLE_PERCENT_DEFINE_F) return; - complain_at (variable_loc, _("%%define variable %s redefined"), + complain_at (variable_loc, complaint, _("%%define variable %s redefined"), quote (variable)); - complain_at (muscle_percent_define_get_loc (variable), - _("previous definition")); + location loc = muscle_percent_define_get_loc (variable); + complain_at (loc, complaint, _("previous definition")); } MUSCLE_INSERT_STRING (name, value); @@ -462,8 +464,7 @@ muscle_percent_define_ensure (char const *variable, location loc, bool value) { char const *val = value ? "" : "false"; - char const *name; - name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); + char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); /* %pure-parser is deprecated in favor of `%define api.pure', so use `%define api.pure' in a backward-compatible manner here. First, @@ -482,58 +483,46 @@ muscle_percent_define_ensure (char const *variable, location loc, char * muscle_percent_define_get (char const *variable) { - char const *name; - char const *usage_name; - char *value; - - name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); - usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(", - variable, ")"); - - muscle_insert (usage_name, ""); - value = muscle_string_decode (name); + char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); + char const *usage_name = + UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")"); + char *value = string_decode (name); if (!value) value = xstrdup (""); + + muscle_insert (usage_name, ""); return value; } location muscle_percent_define_get_loc (char const *variable) { - char const *loc_name; - loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")"); + char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")"); if (!muscle_find_const (loc_name)) - fatal(_("%s: undefined %%define variable %s"), - "muscle_percent_define_get_loc", quote (variable)); - return muscle_location_decode (loc_name); + complain (fatal, _("%s: undefined %%define variable %s"), + "muscle_percent_define_get_loc", quote (variable)); + return location_decode (loc_name); } char const * muscle_percent_define_get_syncline (char const *variable) { - char const *syncline_name; - char const *syncline; - syncline_name = + char const *syncline_name = UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")"); - syncline = muscle_find_const (syncline_name); + char const *syncline = muscle_find_const (syncline_name); if (!syncline) - fatal(_("%s: undefined %%define variable %s"), - "muscle_percent_define_get_syncline", quote (variable)); + complain (fatal, _("%s: undefined %%define variable %s"), + "muscle_percent_define_get_syncline", quote (variable)); return syncline; } bool muscle_percent_define_ifdef (char const *variable) { - char const *name; - char const *usage_name; - char const *value; - - name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); - usage_name = + char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); + char const *usage_name = UNIQSTR_CONCAT ("percent_define_bison_variables(", variable, ")"); - - value = muscle_find_const (name); + char const *value = muscle_find_const (name); if (value) { muscle_insert (usage_name, ""); @@ -546,11 +535,9 @@ muscle_percent_define_ifdef (char const *variable) bool muscle_percent_define_flag_if (char const *variable) { - char const *invalid_boolean_name; - bool result = false; - - invalid_boolean_name = + char const *invalid_boolean_name = UNIQSTR_CONCAT ("percent_define_invalid_boolean(", variable, ")"); + bool result = false; if (muscle_percent_define_ifdef (variable)) { @@ -562,15 +549,16 @@ muscle_percent_define_flag_if (char const *variable) else if (!muscle_find_const (invalid_boolean_name)) { muscle_insert (invalid_boolean_name, ""); - complain_at(muscle_percent_define_get_loc (variable), - _("invalid value for %%define Boolean variable %s"), - quote (variable)); + location loc = muscle_percent_define_get_loc (variable); + complain_at (loc, complaint, + _("invalid value for %%define Boolean variable %s"), + quote (variable)); } free (value); } else - fatal(_("%s: undefined %%define variable %s"), - "muscle_percent_define_flag", quote (variable)); + complain (fatal, _("%s: undefined %%define variable %s"), + "muscle_percent_define_flag", quote (variable)); return result; } @@ -578,12 +566,9 @@ muscle_percent_define_flag_if (char const *variable) void muscle_percent_define_default (char const *variable, char const *value) { - char const *name; - char const *loc_name; - char const *syncline_name; - name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); - loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")"); - syncline_name = + char const *name = UNIQSTR_CONCAT ("percent_define(", variable, ")"); + char const *loc_name = UNIQSTR_CONCAT ("percent_define_loc(", variable, ")"); + char const *syncline_name = UNIQSTR_CONCAT ("percent_define_syncline(", variable, ")"); if (!muscle_find_const (name)) { @@ -604,12 +589,8 @@ muscle_percent_define_check_values (char const * const *values) for (; *values; ++values) { char const * const *variablep = values; - char const *name; - char *value; - - name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")"); - - value = muscle_string_decode (name); + char const *name = UNIQSTR_CONCAT ("percent_define(", *variablep, ")"); + char *value = string_decode (name); if (value) { for (++values; *values; ++values) @@ -620,11 +601,12 @@ muscle_percent_define_check_values (char const * const *values) if (!*values) { location loc = muscle_percent_define_get_loc (*variablep); - complain_at(loc, - _("invalid value for %%define variable %s: %s"), - quote (*variablep), quote_n (1, value)); + complain_at (loc, complaint, + _("invalid value for %%define variable %s: %s"), + quote (*variablep), quote_n (1, value)); for (values = variablep + 1; *values; ++values) - complain_at (loc, _("accepted value: %s"), quote (*values)); + complain_at (loc, complaint, _("accepted value: %s"), + quote (*values)); } else { @@ -634,8 +616,8 @@ muscle_percent_define_check_values (char const * const *values) free (value); } else - fatal (_("%s: undefined %%define variable %s"), - "muscle_percent_define_check_values", quote (*variablep)); + complain (fatal, _("%s: undefined %%define variable %s"), + "muscle_percent_define_check_values", quote (*variablep)); } } @@ -643,8 +625,7 @@ void muscle_percent_code_grow (char const *qualifier, location qualifier_loc, char const *code, location code_loc) { - char const *name; - name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")"); + char const *name = UNIQSTR_CONCAT ("percent_code(", qualifier, ")"); muscle_code_grow (name, code, code_loc); muscle_user_name_list_grow ("percent_code_user_qualifiers", qualifier, qualifier_loc); @@ -658,8 +639,9 @@ muscle_percent_code_grow (char const *qualifier, location qualifier_loc, static inline bool muscle_m4_output (muscle_entry *entry, FILE *out) { - fprintf (out, "m4_define([b4_%s],\n", entry->key); - fprintf (out, "[[%s]])\n\n\n", entry->value); + fprintf (out, + "m4_define([b4_%s],\n" + "[[%s]])\n\n\n", entry->key, entry->value); return true; }