diff options
Diffstat (limited to 'kernel/scripts/genksyms')
-rw-r--r-- | kernel/scripts/genksyms/.gitignore | 5 | ||||
-rw-r--r-- | kernel/scripts/genksyms/Makefile | 14 | ||||
-rw-r--r-- | kernel/scripts/genksyms/genksyms.c | 875 | ||||
-rw-r--r-- | kernel/scripts/genksyms/genksyms.h | 94 | ||||
-rw-r--r-- | kernel/scripts/genksyms/keywords.gperf | 60 | ||||
-rw-r--r-- | kernel/scripts/genksyms/keywords.hash.c_shipped | 229 | ||||
-rw-r--r-- | kernel/scripts/genksyms/lex.l | 482 | ||||
-rw-r--r-- | kernel/scripts/genksyms/lex.lex.c_shipped | 2292 | ||||
-rw-r--r-- | kernel/scripts/genksyms/parse.tab.c_shipped | 2407 | ||||
-rw-r--r-- | kernel/scripts/genksyms/parse.tab.h_shipped | 96 | ||||
-rw-r--r-- | kernel/scripts/genksyms/parse.y | 504 |
11 files changed, 7058 insertions, 0 deletions
diff --git a/kernel/scripts/genksyms/.gitignore b/kernel/scripts/genksyms/.gitignore new file mode 100644 index 000000000..86dc07a01 --- /dev/null +++ b/kernel/scripts/genksyms/.gitignore @@ -0,0 +1,5 @@ +*.hash.c +*.lex.c +*.tab.c +*.tab.h +genksyms diff --git a/kernel/scripts/genksyms/Makefile b/kernel/scripts/genksyms/Makefile new file mode 100644 index 000000000..aca33b98b --- /dev/null +++ b/kernel/scripts/genksyms/Makefile @@ -0,0 +1,14 @@ + +hostprogs-y := genksyms +always := $(hostprogs-y) + +genksyms-objs := genksyms.o parse.tab.o lex.lex.o + +# -I needed for generated C source (shipped source) +HOSTCFLAGS_parse.tab.o := -I$(src) +HOSTCFLAGS_lex.lex.o := -I$(src) + +# dependencies on generated files need to be listed explicitly +$(obj)/lex.lex.o: $(obj)/keywords.hash.c $(obj)/parse.tab.h + +clean-files := keywords.hash.c lex.lex.c parse.tab.c parse.tab.h diff --git a/kernel/scripts/genksyms/genksyms.c b/kernel/scripts/genksyms/genksyms.c new file mode 100644 index 000000000..88632df43 --- /dev/null +++ b/kernel/scripts/genksyms/genksyms.c @@ -0,0 +1,875 @@ +/* Generate kernel symbol version hashes. + Copyright 1996, 1997 Linux International. + + New implementation contributed by Richard Henderson <rth@tamu.edu> + Based on original work by Bjorn Ekwall <bj0rn@blox.se> + + This file was part of the Linux modutils 2.4.22: moved back into the + kernel sources by Rusty Russell/Kai Germaschewski. + + 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 <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <assert.h> +#include <stdarg.h> +#ifdef __GNU_LIBRARY__ +#include <getopt.h> +#endif /* __GNU_LIBRARY__ */ + +#include "genksyms.h" +/*----------------------------------------------------------------------*/ + +#define HASH_BUCKETS 4096 + +static struct symbol *symtab[HASH_BUCKETS]; +static FILE *debugfile; + +int cur_line = 1; +char *cur_filename, *source_file; +int in_source_file; + +static int flag_debug, flag_dump_defs, flag_reference, flag_dump_types, + flag_preserve, flag_warnings; +static const char *mod_prefix = ""; + +static int errors; +static int nsyms; + +static struct symbol *expansion_trail; +static struct symbol *visited_symbols; + +static const struct { + int n; + const char *name; +} symbol_types[] = { + [SYM_NORMAL] = { 0, NULL}, + [SYM_TYPEDEF] = {'t', "typedef"}, + [SYM_ENUM] = {'e', "enum"}, + [SYM_STRUCT] = {'s', "struct"}, + [SYM_UNION] = {'u', "union"}, + [SYM_ENUM_CONST] = {'E', "enum constant"}, +}; + +static int equal_list(struct string_list *a, struct string_list *b); +static void print_list(FILE * f, struct string_list *list); +static struct string_list *concat_list(struct string_list *start, ...); +static struct string_list *mk_node(const char *string); +static void print_location(void); +static void print_type_name(enum symbol_type type, const char *name); + +/*----------------------------------------------------------------------*/ + +static const unsigned int crctab32[] = { + 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U, + 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U, + 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U, + 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU, + 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U, + 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U, + 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U, + 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU, + 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U, + 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU, + 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U, + 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U, + 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U, + 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU, + 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU, + 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U, + 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU, + 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U, + 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U, + 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U, + 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU, + 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U, + 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U, + 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU, + 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U, + 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U, + 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U, + 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U, + 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U, + 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU, + 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU, + 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U, + 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U, + 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU, + 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU, + 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U, + 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU, + 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U, + 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU, + 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U, + 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU, + 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U, + 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U, + 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU, + 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U, + 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U, + 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U, + 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U, + 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U, + 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U, + 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU, + 0x2d02ef8dU +}; + +static unsigned long partial_crc32_one(unsigned char c, unsigned long crc) +{ + return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8); +} + +static unsigned long partial_crc32(const char *s, unsigned long crc) +{ + while (*s) + crc = partial_crc32_one(*s++, crc); + return crc; +} + +static unsigned long crc32(const char *s) +{ + return partial_crc32(s, 0xffffffff) ^ 0xffffffff; +} + +/*----------------------------------------------------------------------*/ + +static enum symbol_type map_to_ns(enum symbol_type t) +{ + switch (t) { + case SYM_ENUM_CONST: + case SYM_NORMAL: + case SYM_TYPEDEF: + return SYM_NORMAL; + case SYM_ENUM: + case SYM_STRUCT: + case SYM_UNION: + return SYM_STRUCT; + } + return t; +} + +struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact) +{ + unsigned long h = crc32(name) % HASH_BUCKETS; + struct symbol *sym; + + for (sym = symtab[h]; sym; sym = sym->hash_next) + if (map_to_ns(sym->type) == map_to_ns(ns) && + strcmp(name, sym->name) == 0 && + sym->is_declared) + break; + + if (exact && sym && sym->type != ns) + return NULL; + return sym; +} + +static int is_unknown_symbol(struct symbol *sym) +{ + struct string_list *defn; + + return ((sym->type == SYM_STRUCT || + sym->type == SYM_UNION || + sym->type == SYM_ENUM) && + (defn = sym->defn) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "}") == 0 && + (defn = defn->next) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "UNKNOWN") == 0 && + (defn = defn->next) && defn->tag == SYM_NORMAL && + strcmp(defn->string, "{") == 0); +} + +static struct symbol *__add_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern, + int is_reference) +{ + unsigned long h; + struct symbol *sym; + enum symbol_status status = STATUS_UNCHANGED; + /* The parser adds symbols in the order their declaration completes, + * so it is safe to store the value of the previous enum constant in + * a static variable. + */ + static int enum_counter; + static struct string_list *last_enum_expr; + + if (type == SYM_ENUM_CONST) { + if (defn) { + free_list(last_enum_expr, NULL); + last_enum_expr = copy_list_range(defn, NULL); + enum_counter = 1; + } else { + struct string_list *expr; + char buf[20]; + + snprintf(buf, sizeof(buf), "%d", enum_counter++); + if (last_enum_expr) { + expr = copy_list_range(last_enum_expr, NULL); + defn = concat_list(mk_node("("), + expr, + mk_node(")"), + mk_node("+"), + mk_node(buf), NULL); + } else { + defn = mk_node(buf); + } + } + } else if (type == SYM_ENUM) { + free_list(last_enum_expr, NULL); + last_enum_expr = NULL; + enum_counter = 0; + if (!name) + /* Anonymous enum definition, nothing more to do */ + return NULL; + } + + h = crc32(name) % HASH_BUCKETS; + for (sym = symtab[h]; sym; sym = sym->hash_next) { + if (map_to_ns(sym->type) == map_to_ns(type) && + strcmp(name, sym->name) == 0) { + if (is_reference) + /* fall through */ ; + else if (sym->type == type && + equal_list(sym->defn, defn)) { + if (!sym->is_declared && sym->is_override) { + print_location(); + print_type_name(type, name); + fprintf(stderr, " modversion is " + "unchanged\n"); + } + sym->is_declared = 1; + return sym; + } else if (!sym->is_declared) { + if (sym->is_override && flag_preserve) { + print_location(); + fprintf(stderr, "ignoring "); + print_type_name(type, name); + fprintf(stderr, " modversion change\n"); + sym->is_declared = 1; + return sym; + } else { + status = is_unknown_symbol(sym) ? + STATUS_DEFINED : STATUS_MODIFIED; + } + } else { + error_with_pos("redefinition of %s", name); + return sym; + } + break; + } + } + + if (sym) { + struct symbol **psym; + + for (psym = &symtab[h]; *psym; psym = &(*psym)->hash_next) { + if (*psym == sym) { + *psym = sym->hash_next; + break; + } + } + --nsyms; + } + + sym = xmalloc(sizeof(*sym)); + sym->name = name; + sym->type = type; + sym->defn = defn; + sym->expansion_trail = NULL; + sym->visited = NULL; + sym->is_extern = is_extern; + + sym->hash_next = symtab[h]; + symtab[h] = sym; + + sym->is_declared = !is_reference; + sym->status = status; + sym->is_override = 0; + + if (flag_debug) { + if (symbol_types[type].name) + fprintf(debugfile, "Defn for %s %s == <", + symbol_types[type].name, name); + else + fprintf(debugfile, "Defn for type%d %s == <", + type, name); + if (is_extern) + fputs("extern ", debugfile); + print_list(debugfile, defn); + fputs(">\n", debugfile); + } + + ++nsyms; + return sym; +} + +struct symbol *add_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern) +{ + return __add_symbol(name, type, defn, is_extern, 0); +} + +static struct symbol *add_reference_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern) +{ + return __add_symbol(name, type, defn, is_extern, 1); +} + +/*----------------------------------------------------------------------*/ + +void free_node(struct string_list *node) +{ + free(node->string); + free(node); +} + +void free_list(struct string_list *s, struct string_list *e) +{ + while (s != e) { + struct string_list *next = s->next; + free_node(s); + s = next; + } +} + +static struct string_list *mk_node(const char *string) +{ + struct string_list *newnode; + + newnode = xmalloc(sizeof(*newnode)); + newnode->string = xstrdup(string); + newnode->tag = SYM_NORMAL; + newnode->next = NULL; + + return newnode; +} + +static struct string_list *concat_list(struct string_list *start, ...) +{ + va_list ap; + struct string_list *n, *n2; + + if (!start) + return NULL; + for (va_start(ap, start); (n = va_arg(ap, struct string_list *));) { + for (n2 = n; n2->next; n2 = n2->next) + ; + n2->next = start; + start = n; + } + va_end(ap); + return start; +} + +struct string_list *copy_node(struct string_list *node) +{ + struct string_list *newnode; + + newnode = xmalloc(sizeof(*newnode)); + newnode->string = xstrdup(node->string); + newnode->tag = node->tag; + + return newnode; +} + +struct string_list *copy_list_range(struct string_list *start, + struct string_list *end) +{ + struct string_list *res, *n; + + if (start == end) + return NULL; + n = res = copy_node(start); + for (start = start->next; start != end; start = start->next) { + n->next = copy_node(start); + n = n->next; + } + n->next = NULL; + return res; +} + +static int equal_list(struct string_list *a, struct string_list *b) +{ + while (a && b) { + if (a->tag != b->tag || strcmp(a->string, b->string)) + return 0; + a = a->next; + b = b->next; + } + + return !a && !b; +} + +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + +static struct string_list *read_node(FILE *f) +{ + char buffer[256]; + struct string_list node = { + .string = buffer, + .tag = SYM_NORMAL }; + int c; + + while ((c = fgetc(f)) != EOF) { + if (c == ' ') { + if (node.string == buffer) + continue; + break; + } else if (c == '\n') { + if (node.string == buffer) + return NULL; + ungetc(c, f); + break; + } + if (node.string >= buffer + sizeof(buffer) - 1) { + fprintf(stderr, "Token too long\n"); + exit(1); + } + *node.string++ = c; + } + if (node.string == buffer) + return NULL; + *node.string = 0; + node.string = buffer; + + if (node.string[1] == '#') { + size_t n; + + for (n = 0; n < ARRAY_SIZE(symbol_types); n++) { + if (node.string[0] == symbol_types[n].n) { + node.tag = n; + node.string += 2; + return copy_node(&node); + } + } + fprintf(stderr, "Unknown type %c\n", node.string[0]); + exit(1); + } + return copy_node(&node); +} + +static void read_reference(FILE *f) +{ + while (!feof(f)) { + struct string_list *defn = NULL; + struct string_list *sym, *def; + int is_extern = 0, is_override = 0; + struct symbol *subsym; + + sym = read_node(f); + if (sym && sym->tag == SYM_NORMAL && + !strcmp(sym->string, "override")) { + is_override = 1; + free_node(sym); + sym = read_node(f); + } + if (!sym) + continue; + def = read_node(f); + if (def && def->tag == SYM_NORMAL && + !strcmp(def->string, "extern")) { + is_extern = 1; + free_node(def); + def = read_node(f); + } + while (def) { + def->next = defn; + defn = def; + def = read_node(f); + } + subsym = add_reference_symbol(xstrdup(sym->string), sym->tag, + defn, is_extern); + subsym->is_override = is_override; + free_node(sym); + } +} + +static void print_node(FILE * f, struct string_list *list) +{ + if (symbol_types[list->tag].n) { + putc(symbol_types[list->tag].n, f); + putc('#', f); + } + fputs(list->string, f); +} + +static void print_list(FILE * f, struct string_list *list) +{ + struct string_list **e, **b; + struct string_list *tmp, **tmp2; + int elem = 1; + + if (list == NULL) { + fputs("(nil)", f); + return; + } + + tmp = list; + while ((tmp = tmp->next) != NULL) + elem++; + + b = alloca(elem * sizeof(*e)); + e = b + elem; + tmp2 = e - 1; + + (*tmp2--) = list; + while ((list = list->next) != NULL) + *(tmp2--) = list; + + while (b != e) { + print_node(f, *b++); + putc(' ', f); + } +} + +static unsigned long expand_and_crc_sym(struct symbol *sym, unsigned long crc) +{ + struct string_list *list = sym->defn; + struct string_list **e, **b; + struct string_list *tmp, **tmp2; + int elem = 1; + + if (!list) + return crc; + + tmp = list; + while ((tmp = tmp->next) != NULL) + elem++; + + b = alloca(elem * sizeof(*e)); + e = b + elem; + tmp2 = e - 1; + + *(tmp2--) = list; + while ((list = list->next) != NULL) + *(tmp2--) = list; + + while (b != e) { + struct string_list *cur; + struct symbol *subsym; + + cur = *(b++); + switch (cur->tag) { + case SYM_NORMAL: + if (flag_dump_defs) + fprintf(debugfile, "%s ", cur->string); + crc = partial_crc32(cur->string, crc); + crc = partial_crc32_one(' ', crc); + break; + + case SYM_ENUM_CONST: + case SYM_TYPEDEF: + subsym = find_symbol(cur->string, cur->tag, 0); + /* FIXME: Bad reference files can segfault here. */ + if (subsym->expansion_trail) { + if (flag_dump_defs) + fprintf(debugfile, "%s ", cur->string); + crc = partial_crc32(cur->string, crc); + crc = partial_crc32_one(' ', crc); + } else { + subsym->expansion_trail = expansion_trail; + expansion_trail = subsym; + crc = expand_and_crc_sym(subsym, crc); + } + break; + + case SYM_STRUCT: + case SYM_UNION: + case SYM_ENUM: + subsym = find_symbol(cur->string, cur->tag, 0); + if (!subsym) { + struct string_list *n; + + error_with_pos("expand undefined %s %s", + symbol_types[cur->tag].name, + cur->string); + n = concat_list(mk_node + (symbol_types[cur->tag].name), + mk_node(cur->string), + mk_node("{"), + mk_node("UNKNOWN"), + mk_node("}"), NULL); + subsym = + add_symbol(cur->string, cur->tag, n, 0); + } + if (subsym->expansion_trail) { + if (flag_dump_defs) { + fprintf(debugfile, "%s %s ", + symbol_types[cur->tag].name, + cur->string); + } + + crc = partial_crc32(symbol_types[cur->tag].name, + crc); + crc = partial_crc32_one(' ', crc); + crc = partial_crc32(cur->string, crc); + crc = partial_crc32_one(' ', crc); + } else { + subsym->expansion_trail = expansion_trail; + expansion_trail = subsym; + crc = expand_and_crc_sym(subsym, crc); + } + break; + } + } + + { + static struct symbol **end = &visited_symbols; + + if (!sym->visited) { + *end = sym; + end = &sym->visited; + sym->visited = (struct symbol *)-1L; + } + } + + return crc; +} + +void export_symbol(const char *name) +{ + struct symbol *sym; + + sym = find_symbol(name, SYM_NORMAL, 0); + if (!sym) + error_with_pos("export undefined symbol %s", name); + else { + unsigned long crc; + int has_changed = 0; + + if (flag_dump_defs) + fprintf(debugfile, "Export %s == <", name); + + expansion_trail = (struct symbol *)-1L; + + sym->expansion_trail = expansion_trail; + expansion_trail = sym; + crc = expand_and_crc_sym(sym, 0xffffffff) ^ 0xffffffff; + + sym = expansion_trail; + while (sym != (struct symbol *)-1L) { + struct symbol *n = sym->expansion_trail; + + if (sym->status != STATUS_UNCHANGED) { + if (!has_changed) { + print_location(); + fprintf(stderr, "%s: %s: modversion " + "changed because of changes " + "in ", flag_preserve ? "error" : + "warning", name); + } else + fprintf(stderr, ", "); + print_type_name(sym->type, sym->name); + if (sym->status == STATUS_DEFINED) + fprintf(stderr, " (became defined)"); + has_changed = 1; + if (flag_preserve) + errors++; + } + sym->expansion_trail = 0; + sym = n; + } + if (has_changed) + fprintf(stderr, "\n"); + + if (flag_dump_defs) + fputs(">\n", debugfile); + + /* Used as a linker script. */ + printf("%s__crc_%s = 0x%08lx ;\n", mod_prefix, name, crc); + } +} + +/*----------------------------------------------------------------------*/ + +static void print_location(void) +{ + fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", cur_line); +} + +static void print_type_name(enum symbol_type type, const char *name) +{ + if (symbol_types[type].name) + fprintf(stderr, "%s %s", symbol_types[type].name, name); + else + fprintf(stderr, "%s", name); +} + +void error_with_pos(const char *fmt, ...) +{ + va_list args; + + if (flag_warnings) { + print_location(); + + va_start(args, fmt); + vfprintf(stderr, fmt, args); + va_end(args); + putc('\n', stderr); + + errors++; + } +} + +static void genksyms_usage(void) +{ + fputs("Usage:\n" "genksyms [-adDTwqhV] > /path/to/.tmp_obj.ver\n" "\n" +#ifdef __GNU_LIBRARY__ + " -s, --symbol-prefix Select symbol prefix\n" + " -d, --debug Increment the debug level (repeatable)\n" + " -D, --dump Dump expanded symbol defs (for debugging only)\n" + " -r, --reference file Read reference symbols from a file\n" + " -T, --dump-types file Dump expanded types into file\n" + " -p, --preserve Preserve reference modversions or fail\n" + " -w, --warnings Enable warnings\n" + " -q, --quiet Disable warnings (default)\n" + " -h, --help Print this message\n" + " -V, --version Print the release version\n" +#else /* __GNU_LIBRARY__ */ + " -s Select symbol prefix\n" + " -d Increment the debug level (repeatable)\n" + " -D Dump expanded symbol defs (for debugging only)\n" + " -r file Read reference symbols from a file\n" + " -T file Dump expanded types into file\n" + " -p Preserve reference modversions or fail\n" + " -w Enable warnings\n" + " -q Disable warnings (default)\n" + " -h Print this message\n" + " -V Print the release version\n" +#endif /* __GNU_LIBRARY__ */ + , stderr); +} + +int main(int argc, char **argv) +{ + FILE *dumpfile = NULL, *ref_file = NULL; + int o; + +#ifdef __GNU_LIBRARY__ + struct option long_opts[] = { + {"symbol-prefix", 1, 0, 's'}, + {"debug", 0, 0, 'd'}, + {"warnings", 0, 0, 'w'}, + {"quiet", 0, 0, 'q'}, + {"dump", 0, 0, 'D'}, + {"reference", 1, 0, 'r'}, + {"dump-types", 1, 0, 'T'}, + {"preserve", 0, 0, 'p'}, + {"version", 0, 0, 'V'}, + {"help", 0, 0, 'h'}, + {0, 0, 0, 0} + }; + + while ((o = getopt_long(argc, argv, "s:dwqVDr:T:ph", + &long_opts[0], NULL)) != EOF) +#else /* __GNU_LIBRARY__ */ + while ((o = getopt(argc, argv, "s:dwqVDr:T:ph")) != EOF) +#endif /* __GNU_LIBRARY__ */ + switch (o) { + case 's': + mod_prefix = optarg; + break; + case 'd': + flag_debug++; + break; + case 'w': + flag_warnings = 1; + break; + case 'q': + flag_warnings = 0; + break; + case 'V': + fputs("genksyms version 2.5.60\n", stderr); + break; + case 'D': + flag_dump_defs = 1; + break; + case 'r': + flag_reference = 1; + ref_file = fopen(optarg, "r"); + if (!ref_file) { + perror(optarg); + return 1; + } + break; + case 'T': + flag_dump_types = 1; + dumpfile = fopen(optarg, "w"); + if (!dumpfile) { + perror(optarg); + return 1; + } + break; + case 'p': + flag_preserve = 1; + break; + case 'h': + genksyms_usage(); + return 0; + default: + genksyms_usage(); + return 1; + } + { + extern int yydebug; + extern int yy_flex_debug; + + yydebug = (flag_debug > 1); + yy_flex_debug = (flag_debug > 2); + + debugfile = stderr; + /* setlinebuf(debugfile); */ + } + + if (flag_reference) { + read_reference(ref_file); + fclose(ref_file); + } + + yyparse(); + + if (flag_dump_types && visited_symbols) { + while (visited_symbols != (struct symbol *)-1L) { + struct symbol *sym = visited_symbols; + + if (sym->is_override) + fputs("override ", dumpfile); + if (symbol_types[sym->type].n) { + putc(symbol_types[sym->type].n, dumpfile); + putc('#', dumpfile); + } + fputs(sym->name, dumpfile); + putc(' ', dumpfile); + if (sym->is_extern) + fputs("extern ", dumpfile); + print_list(dumpfile, sym->defn); + putc('\n', dumpfile); + + visited_symbols = sym->visited; + sym->visited = NULL; + } + } + + if (flag_debug) { + fprintf(debugfile, "Hash table occupancy %d/%d = %g\n", + nsyms, HASH_BUCKETS, + (double)nsyms / (double)HASH_BUCKETS); + } + + return errors != 0; +} diff --git a/kernel/scripts/genksyms/genksyms.h b/kernel/scripts/genksyms/genksyms.h new file mode 100644 index 000000000..3bffdcaaa --- /dev/null +++ b/kernel/scripts/genksyms/genksyms.h @@ -0,0 +1,94 @@ +/* Generate kernel symbol version hashes. + Copyright 1996, 1997 Linux International. + + New implementation contributed by Richard Henderson <rth@tamu.edu> + Based on original work by Bjorn Ekwall <bj0rn@blox.se> + + This file is part of the Linux modutils. + + 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. */ + +#ifndef MODUTILS_GENKSYMS_H +#define MODUTILS_GENKSYMS_H 1 + +#include <stdio.h> + +enum symbol_type { + SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION, + SYM_ENUM_CONST +}; + +enum symbol_status { + STATUS_UNCHANGED, STATUS_DEFINED, STATUS_MODIFIED +}; + +struct string_list { + struct string_list *next; + enum symbol_type tag; + int in_source_file; + char *string; +}; + +struct symbol { + struct symbol *hash_next; + const char *name; + enum symbol_type type; + struct string_list *defn; + struct symbol *expansion_trail; + struct symbol *visited; + int is_extern; + int is_declared; + enum symbol_status status; + int is_override; +}; + +typedef struct string_list **yystype; +#define YYSTYPE yystype + +extern int cur_line; +extern char *cur_filename, *source_file; +extern int in_source_file; + +struct symbol *find_symbol(const char *name, enum symbol_type ns, int exact); +struct symbol *add_symbol(const char *name, enum symbol_type type, + struct string_list *defn, int is_extern); +void export_symbol(const char *); + +void free_node(struct string_list *list); +void free_list(struct string_list *s, struct string_list *e); +struct string_list *copy_node(struct string_list *); +struct string_list *copy_list_range(struct string_list *start, + struct string_list *end); + +int yylex(void); +int yyparse(void); + +void error_with_pos(const char *, ...); + +/*----------------------------------------------------------------------*/ +#define xmalloc(size) ({ void *__ptr = malloc(size); \ + if(!__ptr && size != 0) { \ + fprintf(stderr, "out of memory\n"); \ + exit(1); \ + } \ + __ptr; }) +#define xstrdup(str) ({ char *__str = strdup(str); \ + if (!__str) { \ + fprintf(stderr, "out of memory\n"); \ + exit(1); \ + } \ + __str; }) + +#endif /* genksyms.h */ diff --git a/kernel/scripts/genksyms/keywords.gperf b/kernel/scripts/genksyms/keywords.gperf new file mode 100644 index 000000000..a9096d993 --- /dev/null +++ b/kernel/scripts/genksyms/keywords.gperf @@ -0,0 +1,60 @@ +%language=ANSI-C +%define hash-function-name is_reserved_hash +%define lookup-function-name is_reserved_word +%{ +struct resword; +static const struct resword *is_reserved_word(register const char *str, register unsigned int len); +%} +struct resword { const char *name; int token; } +%% +EXPORT_SYMBOL, EXPORT_SYMBOL_KEYW +EXPORT_SYMBOL_GPL, EXPORT_SYMBOL_KEYW +EXPORT_SYMBOL_GPL_FUTURE, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL, EXPORT_SYMBOL_KEYW +EXPORT_UNUSED_SYMBOL_GPL, EXPORT_SYMBOL_KEYW +__asm, ASM_KEYW +__asm__, ASM_KEYW +__attribute, ATTRIBUTE_KEYW +__attribute__, ATTRIBUTE_KEYW +__const, CONST_KEYW +__const__, CONST_KEYW +__extension__, EXTENSION_KEYW +__inline, INLINE_KEYW +__inline__, INLINE_KEYW +__signed, SIGNED_KEYW +__signed__, SIGNED_KEYW +__typeof, TYPEOF_KEYW +__typeof__, TYPEOF_KEYW +__volatile, VOLATILE_KEYW +__volatile__, VOLATILE_KEYW +# According to rth, c99 defines _Bool, __restrict, __restrict__, restrict. KAO +_Bool, BOOL_KEYW +_restrict, RESTRICT_KEYW +__restrict__, RESTRICT_KEYW +restrict, RESTRICT_KEYW +asm, ASM_KEYW +# attribute commented out in modutils 2.4.2. People are using 'attribute' as a +# field name which breaks the genksyms parser. It is not a gcc keyword anyway. +# KAO. +# attribute, ATTRIBUTE_KEYW +auto, AUTO_KEYW +char, CHAR_KEYW +const, CONST_KEYW +double, DOUBLE_KEYW +enum, ENUM_KEYW +extern, EXTERN_KEYW +float, FLOAT_KEYW +inline, INLINE_KEYW +int, INT_KEYW +long, LONG_KEYW +register, REGISTER_KEYW +short, SHORT_KEYW +signed, SIGNED_KEYW +static, STATIC_KEYW +struct, STRUCT_KEYW +typedef, TYPEDEF_KEYW +typeof, TYPEOF_KEYW +union, UNION_KEYW +unsigned, UNSIGNED_KEYW +void, VOID_KEYW +volatile, VOLATILE_KEYW diff --git a/kernel/scripts/genksyms/keywords.hash.c_shipped b/kernel/scripts/genksyms/keywords.hash.c_shipped new file mode 100644 index 000000000..e9452482e --- /dev/null +++ b/kernel/scripts/genksyms/keywords.hash.c_shipped @@ -0,0 +1,229 @@ +/* ANSI-C code produced by gperf version 3.0.4 */ +/* Command-line: gperf -t --output-file scripts/genksyms/keywords.hash.c_shipped -a -C -E -g -k '1,3,$' -p -t scripts/genksyms/keywords.gperf */ + +#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ + && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \ + && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \ + && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \ + && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \ + && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \ + && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \ + && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \ + && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \ + && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \ + && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \ + && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \ + && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \ + && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \ + && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \ + && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \ + && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \ + && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \ + && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \ + && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \ + && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \ + && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \ + && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126)) +/* The character set is not based on ISO-646. */ +#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>." +#endif + +#line 4 "scripts/genksyms/keywords.gperf" + +struct resword; +static const struct resword *is_reserved_word(register const char *str, register unsigned int len); +#line 8 "scripts/genksyms/keywords.gperf" +struct resword { const char *name; int token; }; +/* maximum key range = 98, duplicates = 0 */ + +#ifdef __GNUC__ +__inline +#else +#ifdef __cplusplus +inline +#endif +#endif +static unsigned int +is_reserved_hash (register const char *str, register unsigned int len) +{ + static const unsigned char asso_values[] = + { + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 0, + 101, 101, 101, 101, 101, 101, 15, 101, 101, 101, + 0, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 0, 101, 0, 101, 5, + 25, 20, 55, 30, 101, 15, 101, 101, 10, 0, + 10, 40, 10, 101, 10, 5, 0, 10, 15, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, + 101, 101, 101, 101, 101, 101 + }; + return len + asso_values[(unsigned char)str[2]] + asso_values[(unsigned char)str[0]] + asso_values[(unsigned char)str[len - 1]]; +} + +#ifdef __GNUC__ +__inline +#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ +__attribute__ ((__gnu_inline__)) +#endif +#endif +const struct resword * +is_reserved_word (register const char *str, register unsigned int len) +{ + enum + { + TOTAL_KEYWORDS = 46, + MIN_WORD_LENGTH = 3, + MAX_WORD_LENGTH = 24, + MIN_HASH_VALUE = 3, + MAX_HASH_VALUE = 100 + }; + + static const struct resword wordlist[] = + { + {""}, {""}, {""}, +#line 35 "scripts/genksyms/keywords.gperf" + {"asm", ASM_KEYW}, + {""}, +#line 15 "scripts/genksyms/keywords.gperf" + {"__asm", ASM_KEYW}, + {""}, +#line 16 "scripts/genksyms/keywords.gperf" + {"__asm__", ASM_KEYW}, + {""}, {""}, +#line 27 "scripts/genksyms/keywords.gperf" + {"__typeof__", TYPEOF_KEYW}, + {""}, +#line 19 "scripts/genksyms/keywords.gperf" + {"__const", CONST_KEYW}, +#line 18 "scripts/genksyms/keywords.gperf" + {"__attribute__", ATTRIBUTE_KEYW}, +#line 20 "scripts/genksyms/keywords.gperf" + {"__const__", CONST_KEYW}, +#line 25 "scripts/genksyms/keywords.gperf" + {"__signed__", SIGNED_KEYW}, +#line 53 "scripts/genksyms/keywords.gperf" + {"static", STATIC_KEYW}, + {""}, +#line 48 "scripts/genksyms/keywords.gperf" + {"int", INT_KEYW}, +#line 41 "scripts/genksyms/keywords.gperf" + {"char", CHAR_KEYW}, +#line 42 "scripts/genksyms/keywords.gperf" + {"const", CONST_KEYW}, +#line 54 "scripts/genksyms/keywords.gperf" + {"struct", STRUCT_KEYW}, +#line 33 "scripts/genksyms/keywords.gperf" + {"__restrict__", RESTRICT_KEYW}, +#line 34 "scripts/genksyms/keywords.gperf" + {"restrict", RESTRICT_KEYW}, +#line 12 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL_FUTURE", EXPORT_SYMBOL_KEYW}, +#line 23 "scripts/genksyms/keywords.gperf" + {"__inline__", INLINE_KEYW}, + {""}, +#line 29 "scripts/genksyms/keywords.gperf" + {"__volatile__", VOLATILE_KEYW}, +#line 10 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 32 "scripts/genksyms/keywords.gperf" + {"_restrict", RESTRICT_KEYW}, + {""}, +#line 17 "scripts/genksyms/keywords.gperf" + {"__attribute", ATTRIBUTE_KEYW}, +#line 11 "scripts/genksyms/keywords.gperf" + {"EXPORT_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 21 "scripts/genksyms/keywords.gperf" + {"__extension__", EXTENSION_KEYW}, +#line 44 "scripts/genksyms/keywords.gperf" + {"enum", ENUM_KEYW}, +#line 13 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL", EXPORT_SYMBOL_KEYW}, +#line 45 "scripts/genksyms/keywords.gperf" + {"extern", EXTERN_KEYW}, + {""}, +#line 24 "scripts/genksyms/keywords.gperf" + {"__signed", SIGNED_KEYW}, +#line 14 "scripts/genksyms/keywords.gperf" + {"EXPORT_UNUSED_SYMBOL_GPL", EXPORT_SYMBOL_KEYW}, +#line 57 "scripts/genksyms/keywords.gperf" + {"union", UNION_KEYW}, + {""}, {""}, +#line 22 "scripts/genksyms/keywords.gperf" + {"__inline", INLINE_KEYW}, +#line 40 "scripts/genksyms/keywords.gperf" + {"auto", AUTO_KEYW}, +#line 28 "scripts/genksyms/keywords.gperf" + {"__volatile", VOLATILE_KEYW}, + {""}, {""}, +#line 58 "scripts/genksyms/keywords.gperf" + {"unsigned", UNSIGNED_KEYW}, + {""}, +#line 51 "scripts/genksyms/keywords.gperf" + {"short", SHORT_KEYW}, +#line 47 "scripts/genksyms/keywords.gperf" + {"inline", INLINE_KEYW}, + {""}, +#line 60 "scripts/genksyms/keywords.gperf" + {"volatile", VOLATILE_KEYW}, +#line 49 "scripts/genksyms/keywords.gperf" + {"long", LONG_KEYW}, +#line 31 "scripts/genksyms/keywords.gperf" + {"_Bool", BOOL_KEYW}, + {""}, {""}, +#line 50 "scripts/genksyms/keywords.gperf" + {"register", REGISTER_KEYW}, +#line 59 "scripts/genksyms/keywords.gperf" + {"void", VOID_KEYW}, + {""}, +#line 43 "scripts/genksyms/keywords.gperf" + {"double", DOUBLE_KEYW}, + {""}, +#line 26 "scripts/genksyms/keywords.gperf" + {"__typeof", TYPEOF_KEYW}, + {""}, {""}, +#line 52 "scripts/genksyms/keywords.gperf" + {"signed", SIGNED_KEYW}, + {""}, {""}, {""}, {""}, +#line 56 "scripts/genksyms/keywords.gperf" + {"typeof", TYPEOF_KEYW}, +#line 55 "scripts/genksyms/keywords.gperf" + {"typedef", TYPEDEF_KEYW}, + {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, + {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, + {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, +#line 46 "scripts/genksyms/keywords.gperf" + {"float", FLOAT_KEYW} + }; + + if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) + { + register int key = is_reserved_hash (str, len); + + if (key <= MAX_HASH_VALUE && key >= 0) + { + register const char *s = wordlist[key].name; + + if (*str == *s && !strcmp (str + 1, s + 1)) + return &wordlist[key]; + } + } + return 0; +} diff --git a/kernel/scripts/genksyms/lex.l b/kernel/scripts/genksyms/lex.l new file mode 100644 index 000000000..e583565f2 --- /dev/null +++ b/kernel/scripts/genksyms/lex.l @@ -0,0 +1,482 @@ +/* Lexical analysis for genksyms. + Copyright 1996, 1997 Linux International. + + New implementation contributed by Richard Henderson <rth@tamu.edu> + Based on original work by Bjorn Ekwall <bj0rn@blox.se> + + Taken from Linux modutils 2.4.22. + + 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 <limits.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include "genksyms.h" +#include "parse.tab.h" + +/* We've got a two-level lexer here. We let flex do basic tokenization + and then we categorize those basic tokens in the second stage. */ +#define YY_DECL static int yylex1(void) + +%} + +IDENT [A-Za-z_\$][A-Za-z0-9_\$]* + +O_INT 0[0-7]* +D_INT [1-9][0-9]* +X_INT 0[Xx][0-9A-Fa-f]+ +I_SUF [Uu]|[Ll]|[Uu][Ll]|[Ll][Uu] +INT ({O_INT}|{D_INT}|{X_INT}){I_SUF}? + +FRAC ([0-9]*\.[0-9]+)|([0-9]+\.) +EXP [Ee][+-]?[0-9]+ +F_SUF [FfLl] +REAL ({FRAC}{EXP}?{F_SUF}?)|([0-9]+{EXP}{F_SUF}?) + +STRING L?\"([^\\\"]*\\.)*[^\\\"]*\" +CHAR L?\'([^\\\']*\\.)*[^\\\']*\' + +MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>) + +/* We don't do multiple input files. */ +%option noyywrap + +%option noinput + +%% + + + /* Keep track of our location in the original source files. */ +^#[ \t]+{INT}[ \t]+\"[^\"\n]+\".*\n return FILENAME; +^#.*\n cur_line++; +\n cur_line++; + + /* Ignore all other whitespace. */ +[ \t\f\v\r]+ ; + + +{STRING} return STRING; +{CHAR} return CHAR; +{IDENT} return IDENT; + + /* The Pedant requires that the other C multi-character tokens be + recognized as tokens. We don't actually use them since we don't + parse expressions, but we do want whitespace to be arranged + around them properly. */ +{MC_TOKEN} return OTHER; +{INT} return INT; +{REAL} return REAL; + +"..." return DOTS; + + /* All other tokens are single characters. */ +. return yytext[0]; + + +%% + +/* Bring in the keyword recognizer. */ + +#include "keywords.hash.c" + + +/* Macros to append to our phrase collection list. */ + +/* + * We mark any token, that that equals to a known enumerator, as + * SYM_ENUM_CONST. The parser will change this for struct and union tags later, + * the only problem is struct and union members: + * enum e { a, b }; struct s { int a, b; } + * but in this case, the only effect will be, that the ABI checksums become + * more volatile, which is acceptable. Also, such collisions are quite rare, + * so far it was only observed in include/linux/telephony.h. + */ +#define _APP(T,L) do { \ + cur_node = next_node; \ + next_node = xmalloc(sizeof(*next_node)); \ + next_node->next = cur_node; \ + cur_node->string = memcpy(xmalloc(L+1), T, L+1); \ + cur_node->tag = \ + find_symbol(cur_node->string, SYM_ENUM_CONST, 1)?\ + SYM_ENUM_CONST : SYM_NORMAL ; \ + cur_node->in_source_file = in_source_file; \ + } while (0) + +#define APP _APP(yytext, yyleng) + + +/* The second stage lexer. Here we incorporate knowledge of the state + of the parser to tailor the tokens that are returned. */ + +int +yylex(void) +{ + static enum { + ST_NOTSTARTED, ST_NORMAL, ST_ATTRIBUTE, ST_ASM, ST_TYPEOF, ST_TYPEOF_1, + ST_BRACKET, ST_BRACE, ST_EXPRESSION, + ST_TABLE_1, ST_TABLE_2, ST_TABLE_3, ST_TABLE_4, + ST_TABLE_5, ST_TABLE_6 + } lexstate = ST_NOTSTARTED; + + static int suppress_type_lookup, dont_want_brace_phrase; + static struct string_list *next_node; + + int token, count = 0; + struct string_list *cur_node; + + if (lexstate == ST_NOTSTARTED) + { + next_node = xmalloc(sizeof(*next_node)); + next_node->next = NULL; + lexstate = ST_NORMAL; + } + +repeat: + token = yylex1(); + + if (token == 0) + return 0; + else if (token == FILENAME) + { + char *file, *e; + + /* Save the filename and line number for later error messages. */ + + if (cur_filename) + free(cur_filename); + + file = strchr(yytext, '\"')+1; + e = strchr(file, '\"'); + *e = '\0'; + cur_filename = memcpy(xmalloc(e-file+1), file, e-file+1); + cur_line = atoi(yytext+2); + + if (!source_file) { + source_file = xstrdup(cur_filename); + in_source_file = 1; + } else { + in_source_file = (strcmp(cur_filename, source_file) == 0); + } + + goto repeat; + } + + switch (lexstate) + { + case ST_NORMAL: + switch (token) + { + case IDENT: + APP; + { + const struct resword *r = is_reserved_word(yytext, yyleng); + if (r) + { + switch (token = r->token) + { + case ATTRIBUTE_KEYW: + lexstate = ST_ATTRIBUTE; + count = 0; + goto repeat; + case ASM_KEYW: + lexstate = ST_ASM; + count = 0; + goto repeat; + case TYPEOF_KEYW: + lexstate = ST_TYPEOF; + count = 0; + goto repeat; + + case STRUCT_KEYW: + case UNION_KEYW: + case ENUM_KEYW: + dont_want_brace_phrase = 3; + suppress_type_lookup = 2; + goto fini; + + case EXPORT_SYMBOL_KEYW: + goto fini; + } + } + if (!suppress_type_lookup) + { + if (find_symbol(yytext, SYM_TYPEDEF, 1)) + token = TYPE; + } + } + break; + + case '[': + APP; + lexstate = ST_BRACKET; + count = 1; + goto repeat; + + case '{': + APP; + if (dont_want_brace_phrase) + break; + lexstate = ST_BRACE; + count = 1; + goto repeat; + + case '=': case ':': + APP; + lexstate = ST_EXPRESSION; + break; + + case DOTS: + default: + APP; + break; + } + break; + + case ST_ATTRIBUTE: + APP; + switch (token) + { + case '(': + ++count; + goto repeat; + case ')': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = ATTRIBUTE_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_ASM: + APP; + switch (token) + { + case '(': + ++count; + goto repeat; + case ')': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = ASM_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_TYPEOF: + switch (token) + { + case '(': + if ( ++count == 1 ) + lexstate = ST_TYPEOF_1; + else + APP; + goto repeat; + case ')': + APP; + if (--count == 0) + { + lexstate = ST_NORMAL; + token = TYPEOF_PHRASE; + break; + } + goto repeat; + default: + APP; + goto repeat; + } + break; + + case ST_TYPEOF_1: + if (token == IDENT) + { + if (is_reserved_word(yytext, yyleng) + || find_symbol(yytext, SYM_TYPEDEF, 1)) + { + yyless(0); + unput('('); + lexstate = ST_NORMAL; + token = TYPEOF_KEYW; + break; + } + _APP("(", 1); + } + APP; + lexstate = ST_TYPEOF; + goto repeat; + + case ST_BRACKET: + APP; + switch (token) + { + case '[': + ++count; + goto repeat; + case ']': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = BRACKET_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_BRACE: + APP; + switch (token) + { + case '{': + ++count; + goto repeat; + case '}': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = BRACE_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_EXPRESSION: + switch (token) + { + case '(': case '[': case '{': + ++count; + APP; + goto repeat; + case '}': + /* is this the last line of an enum declaration? */ + if (count == 0) + { + /* Put back the token we just read so's we can find it again + after registering the expression. */ + unput(token); + + lexstate = ST_NORMAL; + token = EXPRESSION_PHRASE; + break; + } + /* FALLTHRU */ + case ')': case ']': + --count; + APP; + goto repeat; + case ',': case ';': + if (count == 0) + { + /* Put back the token we just read so's we can find it again + after registering the expression. */ + unput(token); + + lexstate = ST_NORMAL; + token = EXPRESSION_PHRASE; + break; + } + APP; + goto repeat; + default: + APP; + goto repeat; + } + break; + + case ST_TABLE_1: + goto repeat; + + case ST_TABLE_2: + if (token == IDENT && yyleng == 1 && yytext[0] == 'X') + { + token = EXPORT_SYMBOL_KEYW; + lexstate = ST_TABLE_5; + APP; + break; + } + lexstate = ST_TABLE_6; + /* FALLTHRU */ + + case ST_TABLE_6: + switch (token) + { + case '{': case '[': case '(': + ++count; + break; + case '}': case ']': case ')': + --count; + break; + case ',': + if (count == 0) + lexstate = ST_TABLE_2; + break; + }; + goto repeat; + + case ST_TABLE_3: + goto repeat; + + case ST_TABLE_4: + if (token == ';') + lexstate = ST_NORMAL; + goto repeat; + + case ST_TABLE_5: + switch (token) + { + case ',': + token = ';'; + lexstate = ST_TABLE_2; + APP; + break; + default: + APP; + break; + } + break; + + default: + exit(1); + } +fini: + + if (suppress_type_lookup > 0) + --suppress_type_lookup; + if (dont_want_brace_phrase > 0) + --dont_want_brace_phrase; + + yylval = &next_node->next; + + return token; +} diff --git a/kernel/scripts/genksyms/lex.lex.c_shipped b/kernel/scripts/genksyms/lex.lex.c_shipped new file mode 100644 index 000000000..f82740a69 --- /dev/null +++ b/kernel/scripts/genksyms/lex.lex.c_shipped @@ -0,0 +1,2292 @@ + +#line 3 "scripts/genksyms/lex.lex.c_shipped" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart(yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart (FILE *input_file ); +void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); +void yy_delete_buffer (YY_BUFFER_STATE b ); +void yy_flush_buffer (YY_BUFFER_STATE b ); +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state (void ); + +static void yyensure_buffer_stack (void ); +static void yy_load_buffer_state (void ); +static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len ); + +void *yyalloc (yy_size_t ); +void *yyrealloc (void *,yy_size_t ); +void yyfree (void * ); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer(yyin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap(n) 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; + +typedef int yy_state_type; + +extern int yylineno; + +int yylineno = 1; + +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 13 +#define YY_END_OF_BUFFER 14 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[73] = + { 0, + 0, 0, 14, 12, 4, 3, 12, 7, 12, 12, + 12, 12, 12, 9, 9, 12, 12, 7, 12, 12, + 4, 0, 5, 0, 7, 8, 0, 6, 0, 0, + 10, 10, 9, 0, 0, 9, 9, 0, 9, 0, + 0, 0, 0, 2, 0, 0, 11, 0, 10, 0, + 10, 9, 9, 0, 0, 0, 10, 10, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 5, 6, 7, 8, 9, 10, 1, + 1, 8, 11, 1, 12, 13, 8, 14, 15, 15, + 15, 15, 15, 15, 15, 16, 16, 1, 1, 17, + 18, 19, 1, 1, 20, 20, 20, 20, 21, 22, + 7, 7, 7, 7, 7, 23, 7, 7, 7, 7, + 7, 7, 7, 7, 24, 7, 7, 25, 7, 7, + 1, 26, 1, 8, 7, 1, 20, 20, 20, 20, + + 21, 22, 7, 7, 7, 7, 7, 27, 7, 7, + 7, 7, 7, 7, 7, 7, 24, 7, 7, 25, + 7, 7, 1, 28, 1, 8, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[29] = + { 0, + 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, + 4, 4, 5, 6, 6, 6, 1, 1, 1, 7, + 8, 7, 3, 3, 3, 1, 3, 1 + } ; + +static yyconst flex_int16_t yy_base[85] = + { 0, + 0, 145, 150, 266, 27, 266, 25, 0, 131, 23, + 23, 16, 23, 39, 31, 25, 39, 60, 22, 65, + 57, 43, 266, 0, 0, 266, 61, 266, 0, 128, + 74, 0, 113, 59, 62, 113, 52, 0, 0, 72, + 66, 110, 100, 266, 73, 74, 266, 70, 266, 90, + 103, 266, 84, 129, 108, 113, 143, 266, 107, 66, + 118, 137, 168, 120, 80, 91, 145, 143, 83, 41, + 266, 266, 190, 196, 204, 212, 220, 228, 232, 237, + 238, 243, 249, 257 + } ; + +static yyconst flex_int16_t yy_def[85] = + { 0, + 72, 1, 72, 72, 72, 72, 73, 74, 72, 72, + 75, 72, 72, 72, 14, 72, 72, 74, 72, 76, + 72, 73, 72, 77, 74, 72, 75, 72, 78, 72, + 72, 31, 14, 79, 80, 72, 72, 81, 15, 73, + 75, 76, 76, 72, 73, 75, 72, 82, 72, 72, + 72, 72, 81, 76, 54, 72, 72, 72, 76, 54, + 76, 76, 76, 54, 83, 76, 63, 83, 84, 84, + 72, 0, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 + } ; + +static yyconst flex_int16_t yy_nxt[295] = + { 0, + 4, 5, 6, 5, 7, 4, 8, 9, 10, 11, + 9, 12, 13, 14, 15, 15, 16, 9, 17, 8, + 8, 8, 18, 8, 8, 4, 8, 19, 21, 23, + 21, 26, 28, 26, 26, 30, 31, 31, 31, 26, + 26, 26, 26, 71, 39, 39, 39, 23, 29, 26, + 24, 32, 33, 33, 34, 72, 26, 26, 21, 35, + 21, 36, 37, 38, 40, 36, 43, 44, 24, 41, + 28, 32, 50, 50, 52, 28, 23, 23, 52, 35, + 56, 56, 44, 28, 42, 71, 29, 31, 31, 31, + 42, 29, 59, 44, 48, 49, 49, 24, 24, 29, + + 49, 43, 44, 51, 51, 51, 36, 37, 59, 44, + 36, 65, 44, 54, 55, 55, 51, 51, 51, 59, + 44, 64, 64, 64, 58, 58, 57, 57, 57, 58, + 59, 44, 42, 64, 64, 64, 52, 72, 59, 44, + 47, 66, 60, 60, 42, 44, 59, 69, 26, 72, + 20, 61, 62, 63, 72, 61, 57, 57, 57, 66, + 72, 72, 72, 66, 49, 49, 72, 61, 62, 49, + 44, 61, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 67, 67, 67, 72, 72, 72, 67, 67, 67, + 22, 22, 22, 22, 22, 22, 22, 22, 25, 72, + + 72, 25, 25, 25, 27, 27, 27, 27, 27, 27, + 27, 27, 42, 42, 42, 42, 42, 42, 42, 42, + 45, 72, 45, 45, 45, 45, 45, 45, 46, 72, + 46, 46, 46, 46, 46, 46, 34, 34, 72, 34, + 51, 72, 51, 53, 53, 53, 57, 72, 57, 68, + 68, 68, 68, 68, 68, 68, 68, 70, 70, 70, + 70, 70, 70, 70, 70, 3, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 + + } ; + +static yyconst flex_int16_t yy_chk[295] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 5, 7, + 5, 10, 11, 12, 12, 13, 13, 13, 13, 19, + 10, 16, 16, 70, 15, 15, 15, 22, 11, 19, + 7, 14, 14, 14, 14, 15, 17, 17, 21, 14, + 21, 14, 14, 14, 18, 14, 20, 20, 22, 18, + 27, 34, 35, 35, 37, 41, 40, 45, 37, 34, + 48, 48, 65, 46, 65, 69, 27, 31, 31, 31, + 60, 41, 66, 66, 31, 31, 31, 40, 45, 46, + + 31, 43, 43, 50, 50, 50, 53, 53, 59, 59, + 53, 59, 42, 43, 43, 43, 51, 51, 51, 61, + 61, 55, 55, 55, 51, 51, 56, 56, 56, 51, + 54, 54, 55, 64, 64, 64, 36, 33, 62, 62, + 30, 61, 54, 54, 64, 68, 67, 68, 9, 3, + 2, 54, 54, 54, 0, 54, 57, 57, 57, 62, + 0, 0, 0, 62, 57, 57, 0, 67, 67, 57, + 63, 67, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 63, 63, 63, 0, 0, 0, 63, 63, 63, + 73, 73, 73, 73, 73, 73, 73, 73, 74, 0, + + 0, 74, 74, 74, 75, 75, 75, 75, 75, 75, + 75, 75, 76, 76, 76, 76, 76, 76, 76, 76, + 77, 0, 77, 77, 77, 77, 77, 77, 78, 0, + 78, 78, 78, 78, 78, 78, 79, 79, 0, 79, + 80, 0, 80, 81, 81, 81, 82, 0, 82, 83, + 83, 83, 83, 83, 83, 83, 83, 84, 84, 84, + 84, 84, 84, 84, 84, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, + 72, 72, 72, 72 + + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +/* Lexical analysis for genksyms. + Copyright 1996, 1997 Linux International. + + New implementation contributed by Richard Henderson <rth@tamu.edu> + Based on original work by Bjorn Ekwall <bj0rn@blox.se> + + Taken from Linux modutils 2.4.22. + + 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 <limits.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include "genksyms.h" +#include "parse.tab.h" + +/* We've got a two-level lexer here. We let flex do basic tokenization + and then we categorize those basic tokens in the second stage. */ +#define YY_DECL static int yylex1(void) + +/* We don't do multiple input files. */ +#define YY_NO_INPUT 1 + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy (void ); + +int yyget_debug (void ); + +void yyset_debug (int debug_flag ); + +YY_EXTRA_TYPE yyget_extra (void ); + +void yyset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in (void ); + +void yyset_in (FILE * in_str ); + +FILE *yyget_out (void ); + +void yyset_out (FILE * out_str ); + +int yyget_leng (void ); + +char *yyget_text (void ); + +int yyget_lineno (void ); + +void yyset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap (void ); +#else +extern int yywrap (void ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + int n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + + /* Keep track of our location in the original source files. */ + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 73 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 266 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +/* rule 1 can match eol */ +YY_RULE_SETUP +return FILENAME; + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +cur_line++; + YY_BREAK +case 3: +/* rule 3 can match eol */ +YY_RULE_SETUP +cur_line++; + YY_BREAK +/* Ignore all other whitespace. */ +case 4: +YY_RULE_SETUP +; + YY_BREAK +case 5: +/* rule 5 can match eol */ +YY_RULE_SETUP +return STRING; + YY_BREAK +case 6: +/* rule 6 can match eol */ +YY_RULE_SETUP +return CHAR; + YY_BREAK +case 7: +YY_RULE_SETUP +return IDENT; + YY_BREAK +/* The Pedant requires that the other C multi-character tokens be + recognized as tokens. We don't actually use them since we don't + parse expressions, but we do want whitespace to be arranged + around them properly. */ +case 8: +YY_RULE_SETUP +return OTHER; + YY_BREAK +case 9: +YY_RULE_SETUP +return INT; + YY_BREAK +case 10: +YY_RULE_SETUP +return REAL; + YY_BREAK +case 11: +YY_RULE_SETUP +return DOTS; + YY_BREAK +/* All other tokens are single characters. */ +case 12: +YY_RULE_SETUP +return yytext[0]; + YY_BREAK +case 13: +YY_RULE_SETUP +ECHO; + YY_BREAK +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart(yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 73 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 73 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 72); + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up yytext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart(yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n'); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer(yyin,YY_BUF_SIZE ); + } + + yy_init_buffer(YY_CURRENT_BUFFER,input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree((void *) b->yy_ch_buf ); + + yyfree((void *) b ); +} + +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) +{ + + return yy_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) yyalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param line_number + * + */ +void yyset_lineno (int line_number ) +{ + + yylineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * in_str ) +{ + yyin = in_str ; +} + +void yyset_out (FILE * out_str ) +{ + yyout = out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int bdebug ) +{ + yy_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = (FILE *) 0; + yyout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +/* Bring in the keyword recognizer. */ + +#include "keywords.hash.c" + +/* Macros to append to our phrase collection list. */ + +/* + * We mark any token, that that equals to a known enumerator, as + * SYM_ENUM_CONST. The parser will change this for struct and union tags later, + * the only problem is struct and union members: + * enum e { a, b }; struct s { int a, b; } + * but in this case, the only effect will be, that the ABI checksums become + * more volatile, which is acceptable. Also, such collisions are quite rare, + * so far it was only observed in include/linux/telephony.h. + */ +#define _APP(T,L) do { \ + cur_node = next_node; \ + next_node = xmalloc(sizeof(*next_node)); \ + next_node->next = cur_node; \ + cur_node->string = memcpy(xmalloc(L+1), T, L+1); \ + cur_node->tag = \ + find_symbol(cur_node->string, SYM_ENUM_CONST, 1)?\ + SYM_ENUM_CONST : SYM_NORMAL ; \ + cur_node->in_source_file = in_source_file; \ + } while (0) + +#define APP _APP(yytext, yyleng) + +/* The second stage lexer. Here we incorporate knowledge of the state + of the parser to tailor the tokens that are returned. */ + +int +yylex(void) +{ + static enum { + ST_NOTSTARTED, ST_NORMAL, ST_ATTRIBUTE, ST_ASM, ST_TYPEOF, ST_TYPEOF_1, + ST_BRACKET, ST_BRACE, ST_EXPRESSION, + ST_TABLE_1, ST_TABLE_2, ST_TABLE_3, ST_TABLE_4, + ST_TABLE_5, ST_TABLE_6 + } lexstate = ST_NOTSTARTED; + + static int suppress_type_lookup, dont_want_brace_phrase; + static struct string_list *next_node; + + int token, count = 0; + struct string_list *cur_node; + + if (lexstate == ST_NOTSTARTED) + { + next_node = xmalloc(sizeof(*next_node)); + next_node->next = NULL; + lexstate = ST_NORMAL; + } + +repeat: + token = yylex1(); + + if (token == 0) + return 0; + else if (token == FILENAME) + { + char *file, *e; + + /* Save the filename and line number for later error messages. */ + + if (cur_filename) + free(cur_filename); + + file = strchr(yytext, '\"')+1; + e = strchr(file, '\"'); + *e = '\0'; + cur_filename = memcpy(xmalloc(e-file+1), file, e-file+1); + cur_line = atoi(yytext+2); + + if (!source_file) { + source_file = xstrdup(cur_filename); + in_source_file = 1; + } else { + in_source_file = (strcmp(cur_filename, source_file) == 0); + } + + goto repeat; + } + + switch (lexstate) + { + case ST_NORMAL: + switch (token) + { + case IDENT: + APP; + { + const struct resword *r = is_reserved_word(yytext, yyleng); + if (r) + { + switch (token = r->token) + { + case ATTRIBUTE_KEYW: + lexstate = ST_ATTRIBUTE; + count = 0; + goto repeat; + case ASM_KEYW: + lexstate = ST_ASM; + count = 0; + goto repeat; + case TYPEOF_KEYW: + lexstate = ST_TYPEOF; + count = 0; + goto repeat; + + case STRUCT_KEYW: + case UNION_KEYW: + case ENUM_KEYW: + dont_want_brace_phrase = 3; + suppress_type_lookup = 2; + goto fini; + + case EXPORT_SYMBOL_KEYW: + goto fini; + } + } + if (!suppress_type_lookup) + { + if (find_symbol(yytext, SYM_TYPEDEF, 1)) + token = TYPE; + } + } + break; + + case '[': + APP; + lexstate = ST_BRACKET; + count = 1; + goto repeat; + + case '{': + APP; + if (dont_want_brace_phrase) + break; + lexstate = ST_BRACE; + count = 1; + goto repeat; + + case '=': case ':': + APP; + lexstate = ST_EXPRESSION; + break; + + case DOTS: + default: + APP; + break; + } + break; + + case ST_ATTRIBUTE: + APP; + switch (token) + { + case '(': + ++count; + goto repeat; + case ')': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = ATTRIBUTE_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_ASM: + APP; + switch (token) + { + case '(': + ++count; + goto repeat; + case ')': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = ASM_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_TYPEOF: + switch (token) + { + case '(': + if ( ++count == 1 ) + lexstate = ST_TYPEOF_1; + else + APP; + goto repeat; + case ')': + APP; + if (--count == 0) + { + lexstate = ST_NORMAL; + token = TYPEOF_PHRASE; + break; + } + goto repeat; + default: + APP; + goto repeat; + } + break; + + case ST_TYPEOF_1: + if (token == IDENT) + { + if (is_reserved_word(yytext, yyleng) + || find_symbol(yytext, SYM_TYPEDEF, 1)) + { + yyless(0); + unput('('); + lexstate = ST_NORMAL; + token = TYPEOF_KEYW; + break; + } + _APP("(", 1); + } + APP; + lexstate = ST_TYPEOF; + goto repeat; + + case ST_BRACKET: + APP; + switch (token) + { + case '[': + ++count; + goto repeat; + case ']': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = BRACKET_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_BRACE: + APP; + switch (token) + { + case '{': + ++count; + goto repeat; + case '}': + if (--count == 0) + { + lexstate = ST_NORMAL; + token = BRACE_PHRASE; + break; + } + goto repeat; + default: + goto repeat; + } + break; + + case ST_EXPRESSION: + switch (token) + { + case '(': case '[': case '{': + ++count; + APP; + goto repeat; + case '}': + /* is this the last line of an enum declaration? */ + if (count == 0) + { + /* Put back the token we just read so's we can find it again + after registering the expression. */ + unput(token); + + lexstate = ST_NORMAL; + token = EXPRESSION_PHRASE; + break; + } + /* FALLTHRU */ + case ')': case ']': + --count; + APP; + goto repeat; + case ',': case ';': + if (count == 0) + { + /* Put back the token we just read so's we can find it again + after registering the expression. */ + unput(token); + + lexstate = ST_NORMAL; + token = EXPRESSION_PHRASE; + break; + } + APP; + goto repeat; + default: + APP; + goto repeat; + } + break; + + case ST_TABLE_1: + goto repeat; + + case ST_TABLE_2: + if (token == IDENT && yyleng == 1 && yytext[0] == 'X') + { + token = EXPORT_SYMBOL_KEYW; + lexstate = ST_TABLE_5; + APP; + break; + } + lexstate = ST_TABLE_6; + /* FALLTHRU */ + + case ST_TABLE_6: + switch (token) + { + case '{': case '[': case '(': + ++count; + break; + case '}': case ']': case ')': + --count; + break; + case ',': + if (count == 0) + lexstate = ST_TABLE_2; + break; + }; + goto repeat; + + case ST_TABLE_3: + goto repeat; + + case ST_TABLE_4: + if (token == ';') + lexstate = ST_NORMAL; + goto repeat; + + case ST_TABLE_5: + switch (token) + { + case ',': + token = ';'; + lexstate = ST_TABLE_2; + APP; + break; + default: + APP; + break; + } + break; + + default: + exit(1); + } +fini: + + if (suppress_type_lookup > 0) + --suppress_type_lookup; + if (dont_want_brace_phrase > 0) + --dont_want_brace_phrase; + + yylval = &next_node->next; + + return token; +} + diff --git a/kernel/scripts/genksyms/parse.tab.c_shipped b/kernel/scripts/genksyms/parse.tab.c_shipped new file mode 100644 index 000000000..c9f0f0ce8 --- /dev/null +++ b/kernel/scripts/genksyms/parse.tab.c_shipped @@ -0,0 +1,2407 @@ +/* A Bison parser, made by GNU Bison 2.5.1. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc. + + 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 3 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, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.5.1" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + + + +/* Copy the first part of user declarations. */ + + + +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include "genksyms.h" + +static int is_typedef; +static int is_extern; +static char *current_name; +static struct string_list *decl_spec; + +static void yyerror(const char *); + +static inline void +remove_node(struct string_list **p) +{ + struct string_list *node = *p; + *p = node->next; + free_node(node); +} + +static inline void +remove_list(struct string_list **pb, struct string_list **pe) +{ + struct string_list *b = *pb, *e = *pe; + *pb = e; + free_list(b, e); +} + +/* Record definition of a struct/union/enum */ +static void record_compound(struct string_list **keyw, + struct string_list **ident, + struct string_list **body, + enum symbol_type type) +{ + struct string_list *b = *body, *i = *ident, *r; + + if (i->in_source_file) { + remove_node(keyw); + (*ident)->tag = type; + remove_list(body, ident); + return; + } + r = copy_node(i); r->tag = type; + r->next = (*keyw)->next; *body = r; (*keyw)->next = NULL; + add_symbol(i->string, type, b, is_extern); +} + + + + +# ifndef YY_NULL +# if defined __cplusplus && 201103L <= __cplusplus +# define YY_NULL nullptr +# else +# define YY_NULL 0 +# endif +# endif + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + ASM_KEYW = 258, + ATTRIBUTE_KEYW = 259, + AUTO_KEYW = 260, + BOOL_KEYW = 261, + CHAR_KEYW = 262, + CONST_KEYW = 263, + DOUBLE_KEYW = 264, + ENUM_KEYW = 265, + EXTERN_KEYW = 266, + EXTENSION_KEYW = 267, + FLOAT_KEYW = 268, + INLINE_KEYW = 269, + INT_KEYW = 270, + LONG_KEYW = 271, + REGISTER_KEYW = 272, + RESTRICT_KEYW = 273, + SHORT_KEYW = 274, + SIGNED_KEYW = 275, + STATIC_KEYW = 276, + STRUCT_KEYW = 277, + TYPEDEF_KEYW = 278, + UNION_KEYW = 279, + UNSIGNED_KEYW = 280, + VOID_KEYW = 281, + VOLATILE_KEYW = 282, + TYPEOF_KEYW = 283, + EXPORT_SYMBOL_KEYW = 284, + ASM_PHRASE = 285, + ATTRIBUTE_PHRASE = 286, + TYPEOF_PHRASE = 287, + BRACE_PHRASE = 288, + BRACKET_PHRASE = 289, + EXPRESSION_PHRASE = 290, + CHAR = 291, + DOTS = 292, + IDENT = 293, + INT = 294, + REAL = 295, + STRING = 296, + TYPE = 297, + OTHER = 298, + FILENAME = 299 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ + /* Use EXIT_SUCCESS as a witness for stdlib.h. */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 4 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 514 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 54 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 49 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 132 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 187 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 299 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 48, 49, 50, 2, 47, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 53, 45, + 2, 51, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 52, 2, 46, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint16 yyprhs[] = +{ + 0, 0, 3, 5, 8, 9, 12, 13, 18, 19, + 23, 25, 27, 29, 31, 34, 37, 41, 42, 44, + 46, 50, 55, 56, 58, 60, 63, 65, 67, 69, + 71, 73, 75, 77, 79, 81, 86, 88, 91, 94, + 97, 101, 105, 109, 112, 115, 118, 120, 122, 124, + 126, 128, 130, 132, 134, 136, 138, 140, 143, 144, + 146, 148, 151, 153, 155, 157, 159, 162, 164, 166, + 171, 176, 179, 183, 187, 190, 192, 194, 196, 201, + 206, 209, 213, 217, 220, 222, 226, 227, 229, 231, + 235, 238, 241, 243, 244, 246, 248, 253, 258, 261, + 265, 269, 273, 274, 276, 279, 283, 287, 288, 290, + 292, 295, 299, 302, 303, 305, 307, 311, 314, 317, + 319, 322, 323, 326, 330, 335, 337, 341, 343, 347, + 350, 351, 353 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 55, 0, -1, 56, -1, 55, 56, -1, -1, 57, + 58, -1, -1, 12, 23, 59, 61, -1, -1, 23, + 60, 61, -1, 61, -1, 85, -1, 100, -1, 102, + -1, 1, 45, -1, 1, 46, -1, 65, 62, 45, + -1, -1, 63, -1, 64, -1, 63, 47, 64, -1, + 75, 101, 96, 86, -1, -1, 66, -1, 67, -1, + 66, 67, -1, 68, -1, 69, -1, 5, -1, 17, + -1, 21, -1, 11, -1, 14, -1, 70, -1, 74, + -1, 28, 48, 82, 49, -1, 32, -1, 22, 38, + -1, 24, 38, -1, 10, 38, -1, 22, 38, 88, + -1, 24, 38, 88, -1, 10, 38, 97, -1, 10, + 97, -1, 22, 88, -1, 24, 88, -1, 7, -1, + 19, -1, 15, -1, 16, -1, 20, -1, 25, -1, + 13, -1, 9, -1, 26, -1, 6, -1, 42, -1, + 50, 72, -1, -1, 73, -1, 74, -1, 73, 74, + -1, 8, -1, 27, -1, 31, -1, 18, -1, 71, + 75, -1, 76, -1, 38, -1, 76, 48, 79, 49, + -1, 76, 48, 1, 49, -1, 76, 34, -1, 48, + 75, 49, -1, 48, 1, 49, -1, 71, 77, -1, + 78, -1, 38, -1, 42, -1, 78, 48, 79, 49, + -1, 78, 48, 1, 49, -1, 78, 34, -1, 48, + 77, 49, -1, 48, 1, 49, -1, 80, 37, -1, + 80, -1, 81, 47, 37, -1, -1, 81, -1, 82, + -1, 81, 47, 82, -1, 66, 83, -1, 71, 83, + -1, 84, -1, -1, 38, -1, 42, -1, 84, 48, + 79, 49, -1, 84, 48, 1, 49, -1, 84, 34, + -1, 48, 83, 49, -1, 48, 1, 49, -1, 65, + 75, 33, -1, -1, 87, -1, 51, 35, -1, 52, + 89, 46, -1, 52, 1, 46, -1, -1, 90, -1, + 91, -1, 90, 91, -1, 65, 92, 45, -1, 1, + 45, -1, -1, 93, -1, 94, -1, 93, 47, 94, + -1, 77, 96, -1, 38, 95, -1, 95, -1, 53, + 35, -1, -1, 96, 31, -1, 52, 98, 46, -1, + 52, 98, 47, 46, -1, 99, -1, 98, 47, 99, + -1, 38, -1, 38, 51, 35, -1, 30, 45, -1, + -1, 30, -1, 29, 48, 38, 49, 45, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 124, 124, 125, 129, 129, 135, 135, 137, 137, + 139, 140, 141, 142, 143, 144, 148, 162, 163, 167, + 175, 188, 194, 195, 199, 200, 204, 210, 214, 215, + 216, 217, 218, 222, 223, 224, 225, 229, 231, 233, + 237, 239, 241, 246, 249, 250, 254, 255, 256, 257, + 258, 259, 260, 261, 262, 263, 264, 268, 273, 274, + 278, 279, 283, 283, 283, 284, 292, 293, 297, 306, + 308, 310, 312, 314, 321, 322, 326, 327, 328, 330, + 332, 334, 336, 341, 342, 343, 347, 348, 352, 353, + 358, 363, 365, 369, 370, 378, 382, 384, 386, 388, + 390, 395, 404, 405, 410, 415, 416, 420, 421, 425, + 426, 430, 432, 437, 438, 442, 443, 447, 448, 449, + 453, 457, 458, 462, 463, 467, 468, 471, 476, 484, + 488, 489, 493 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "ASM_KEYW", "ATTRIBUTE_KEYW", + "AUTO_KEYW", "BOOL_KEYW", "CHAR_KEYW", "CONST_KEYW", "DOUBLE_KEYW", + "ENUM_KEYW", "EXTERN_KEYW", "EXTENSION_KEYW", "FLOAT_KEYW", + "INLINE_KEYW", "INT_KEYW", "LONG_KEYW", "REGISTER_KEYW", "RESTRICT_KEYW", + "SHORT_KEYW", "SIGNED_KEYW", "STATIC_KEYW", "STRUCT_KEYW", + "TYPEDEF_KEYW", "UNION_KEYW", "UNSIGNED_KEYW", "VOID_KEYW", + "VOLATILE_KEYW", "TYPEOF_KEYW", "EXPORT_SYMBOL_KEYW", "ASM_PHRASE", + "ATTRIBUTE_PHRASE", "TYPEOF_PHRASE", "BRACE_PHRASE", "BRACKET_PHRASE", + "EXPRESSION_PHRASE", "CHAR", "DOTS", "IDENT", "INT", "REAL", "STRING", + "TYPE", "OTHER", "FILENAME", "';'", "'}'", "','", "'('", "')'", "'*'", + "'='", "'{'", "':'", "$accept", "declaration_seq", "declaration", "$@1", + "declaration1", "$@2", "$@3", "simple_declaration", + "init_declarator_list_opt", "init_declarator_list", "init_declarator", + "decl_specifier_seq_opt", "decl_specifier_seq", "decl_specifier", + "storage_class_specifier", "type_specifier", "simple_type_specifier", + "ptr_operator", "cvar_qualifier_seq_opt", "cvar_qualifier_seq", + "cvar_qualifier", "declarator", "direct_declarator", "nested_declarator", + "direct_nested_declarator", "parameter_declaration_clause", + "parameter_declaration_list_opt", "parameter_declaration_list", + "parameter_declaration", "m_abstract_declarator", + "direct_m_abstract_declarator", "function_definition", "initializer_opt", + "initializer", "class_body", "member_specification_opt", + "member_specification", "member_declaration", + "member_declarator_list_opt", "member_declarator_list", + "member_declarator", "member_bitfield_declarator", "attribute_opt", + "enum_body", "enumerator_list", "enumerator", "asm_definition", + "asm_phrase_opt", "export_definition", YY_NULL +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 59, 125, 44, 40, 41, + 42, 61, 123, 58 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 54, 55, 55, 57, 56, 59, 58, 60, 58, + 58, 58, 58, 58, 58, 58, 61, 62, 62, 63, + 63, 64, 65, 65, 66, 66, 67, 67, 68, 68, + 68, 68, 68, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 70, 70, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 71, 72, 72, + 73, 73, 74, 74, 74, 74, 75, 75, 76, 76, + 76, 76, 76, 76, 77, 77, 78, 78, 78, 78, + 78, 78, 78, 79, 79, 79, 80, 80, 81, 81, + 82, 83, 83, 84, 84, 84, 84, 84, 84, 84, + 84, 85, 86, 86, 87, 88, 88, 89, 89, 90, + 90, 91, 91, 92, 92, 93, 93, 94, 94, 94, + 95, 96, 96, 97, 97, 98, 98, 99, 99, 100, + 101, 101, 102 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 1, 2, 0, 2, 0, 4, 0, 3, + 1, 1, 1, 1, 2, 2, 3, 0, 1, 1, + 3, 4, 0, 1, 1, 2, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 4, 1, 2, 2, 2, + 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 2, 0, 1, + 1, 2, 1, 1, 1, 1, 2, 1, 1, 4, + 4, 2, 3, 3, 2, 1, 1, 1, 4, 4, + 2, 3, 3, 2, 1, 3, 0, 1, 1, 3, + 2, 2, 1, 0, 1, 1, 4, 4, 2, 3, + 3, 3, 0, 1, 2, 3, 3, 0, 1, 1, + 2, 3, 2, 0, 1, 1, 3, 2, 2, 1, + 2, 0, 2, 3, 4, 1, 3, 1, 3, 2, + 0, 1, 5 +}; + +/* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 4, 4, 2, 0, 1, 3, 0, 28, 55, 46, + 62, 53, 0, 31, 0, 52, 32, 48, 49, 29, + 65, 47, 50, 30, 0, 8, 0, 51, 54, 63, + 0, 0, 0, 64, 36, 56, 5, 10, 17, 23, + 24, 26, 27, 33, 34, 11, 12, 13, 14, 15, + 39, 0, 43, 6, 37, 0, 44, 22, 38, 45, + 0, 0, 129, 68, 0, 58, 0, 18, 19, 0, + 130, 67, 25, 42, 127, 0, 125, 22, 40, 0, + 113, 0, 0, 109, 9, 17, 41, 93, 0, 0, + 0, 0, 57, 59, 60, 16, 0, 66, 131, 101, + 121, 71, 0, 0, 123, 0, 7, 112, 106, 76, + 77, 0, 0, 0, 121, 75, 0, 114, 115, 119, + 105, 0, 110, 130, 94, 56, 0, 93, 90, 92, + 35, 0, 73, 72, 61, 20, 102, 0, 0, 84, + 87, 88, 128, 124, 126, 118, 0, 76, 0, 120, + 74, 117, 80, 0, 111, 0, 0, 95, 0, 91, + 98, 0, 132, 122, 0, 21, 103, 70, 69, 83, + 0, 82, 81, 0, 0, 116, 100, 99, 0, 0, + 104, 85, 89, 79, 78, 97, 96 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 1, 2, 3, 36, 77, 57, 37, 66, 67, + 68, 80, 39, 40, 41, 42, 43, 69, 92, 93, + 44, 123, 71, 114, 115, 138, 139, 140, 141, 128, + 129, 45, 165, 166, 56, 81, 82, 83, 116, 117, + 118, 119, 136, 52, 75, 76, 46, 100, 47 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -140 +static const yytype_int16 yypact[] = +{ + -140, 29, -140, 207, -140, -140, 40, -140, -140, -140, + -140, -140, -27, -140, 44, -140, -140, -140, -140, -140, + -140, -140, -140, -140, -22, -140, -18, -140, -140, -140, + -9, 22, 28, -140, -140, -140, -140, -140, 42, 472, + -140, -140, -140, -140, -140, -140, -140, -140, -140, -140, + 46, 43, -140, -140, 47, 107, -140, 472, 47, -140, + 472, 62, -140, -140, 16, -3, 57, 56, -140, 42, + 35, -11, -140, -140, 53, 48, -140, 472, -140, 51, + 21, 59, 157, -140, -140, 42, -140, 388, 58, 60, + 70, 81, -140, -3, -140, -140, 42, -140, -140, -140, + -140, -140, 253, 71, -140, -20, -140, -140, -140, 83, + -140, 5, 102, 34, -140, 12, 95, 94, -140, -140, + -140, 97, -140, 113, -140, -140, 2, 41, -140, 27, + -140, 99, -140, -140, -140, -140, -24, 98, 101, 109, + 104, -140, -140, -140, -140, -140, 105, -140, 110, -140, + -140, 117, -140, 298, -140, 21, 112, -140, 120, -140, + -140, 343, -140, -140, 121, -140, -140, -140, -140, -140, + 434, -140, -140, 131, 137, -140, -140, -140, 138, 141, + -140, -140, -140, -140, -140, -140, -140 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -140, -140, 190, -140, -140, -140, -140, -45, -140, -140, + 96, 1, -60, -31, -140, -140, -140, -78, -140, -140, + -55, -7, -140, -92, -140, -139, -140, -140, -59, -39, + -140, -140, -140, -140, -13, -140, -140, 111, -140, -140, + 39, 87, 84, 147, -140, 106, -140, -140, -140 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -109 +static const yytype_int16 yytable[] = +{ + 87, 88, 113, 156, 38, 10, 146, 163, 72, 127, + 94, 50, 84, 59, 174, 20, 54, 90, 74, 148, + 58, 150, 179, 101, 29, 51, 143, 164, 33, 4, + 55, 70, 106, 113, 55, 113, -93, 102, 134, 60, + 124, 78, 87, 147, 157, 86, 152, 110, 127, 127, + 126, -93, 65, 111, 63, 65, 72, 91, 85, 109, + 153, 160, 97, 110, 64, 98, 65, 53, 99, 111, + 61, 65, 147, 62, 112, 161, 110, 113, 85, 124, + 63, 74, 111, 157, 65, 48, 49, 158, 159, 126, + 64, 65, 65, 87, 104, 105, 107, 108, 51, 55, + 89, 87, 95, 96, 103, 120, 142, 130, 79, 131, + 87, 182, 7, 8, 9, 10, 11, 12, 13, 132, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 133, 26, 27, 28, 29, 30, 112, 149, 33, 34, + 154, 155, 107, 98, 162, -22, 169, 167, 163, 35, + 168, 170, -22, -107, 171, -22, 180, -22, 121, 172, + -22, 176, 7, 8, 9, 10, 11, 12, 13, 177, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 183, 26, 27, 28, 29, 30, 184, 185, 33, 34, + 186, 5, 135, 122, 175, -22, 145, 73, 151, 35, + 0, 0, -22, -108, 0, -22, 0, -22, 6, 0, + -22, 144, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 0, 0, 0, 0, 0, -22, 0, 0, 0, 35, + 0, 0, -22, 0, 137, -22, 0, -22, 7, 8, + 9, 10, 11, 12, 13, 0, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 0, 26, 27, 28, + 29, 30, 0, 0, 33, 34, 0, 0, 0, 0, + -86, 0, 0, 0, 0, 35, 0, 0, 0, 173, + 0, 0, -86, 7, 8, 9, 10, 11, 12, 13, + 0, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 0, 26, 27, 28, 29, 30, 0, 0, 33, + 34, 0, 0, 0, 0, -86, 0, 0, 0, 0, + 35, 0, 0, 0, 178, 0, 0, -86, 7, 8, + 9, 10, 11, 12, 13, 0, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 0, 26, 27, 28, + 29, 30, 0, 0, 33, 34, 0, 0, 0, 0, + -86, 0, 0, 0, 0, 35, 0, 0, 0, 0, + 0, 0, -86, 7, 8, 9, 10, 11, 12, 13, + 0, 15, 16, 17, 18, 19, 20, 21, 22, 23, + 24, 0, 26, 27, 28, 29, 30, 0, 0, 33, + 34, 0, 0, 0, 0, 0, 124, 0, 0, 0, + 125, 0, 0, 0, 0, 0, 126, 0, 65, 7, + 8, 9, 10, 11, 12, 13, 0, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 0, 26, 27, + 28, 29, 30, 0, 0, 33, 34, 0, 0, 0, + 0, 181, 0, 0, 0, 0, 35, 7, 8, 9, + 10, 11, 12, 13, 0, 15, 16, 17, 18, 19, + 20, 21, 22, 23, 24, 0, 26, 27, 28, 29, + 30, 0, 0, 33, 34, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 35 +}; + +#define yypact_value_is_default(yystate) \ + ((yystate) == (-140)) + +#define yytable_value_is_error(yytable_value) \ + YYID (0) + +static const yytype_int16 yycheck[] = +{ + 60, 60, 80, 1, 3, 8, 1, 31, 39, 87, + 65, 38, 57, 26, 153, 18, 38, 1, 38, 111, + 38, 113, 161, 34, 27, 52, 46, 51, 31, 0, + 52, 38, 77, 111, 52, 113, 34, 48, 93, 48, + 38, 54, 102, 38, 42, 58, 34, 42, 126, 127, + 48, 49, 50, 48, 38, 50, 87, 64, 57, 38, + 48, 34, 69, 42, 48, 30, 50, 23, 33, 48, + 48, 50, 38, 45, 53, 48, 42, 155, 77, 38, + 38, 38, 48, 42, 50, 45, 46, 126, 127, 48, + 48, 50, 50, 153, 46, 47, 45, 46, 52, 52, + 38, 161, 45, 47, 51, 46, 35, 49, 1, 49, + 170, 170, 5, 6, 7, 8, 9, 10, 11, 49, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 49, 24, 25, 26, 27, 28, 53, 35, 31, 32, + 45, 47, 45, 30, 45, 38, 37, 49, 31, 42, + 49, 47, 45, 46, 49, 48, 35, 50, 1, 49, + 53, 49, 5, 6, 7, 8, 9, 10, 11, 49, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 49, 24, 25, 26, 27, 28, 49, 49, 31, 32, + 49, 1, 96, 82, 155, 38, 109, 50, 114, 42, + -1, -1, 45, 46, -1, 48, -1, 50, 1, -1, + 53, 105, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + -1, -1, -1, -1, -1, 38, -1, -1, -1, 42, + -1, -1, 45, -1, 1, 48, -1, 50, 5, 6, + 7, 8, 9, 10, 11, -1, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, -1, 24, 25, 26, + 27, 28, -1, -1, 31, 32, -1, -1, -1, -1, + 37, -1, -1, -1, -1, 42, -1, -1, -1, 1, + -1, -1, 49, 5, 6, 7, 8, 9, 10, 11, + -1, 13, 14, 15, 16, 17, 18, 19, 20, 21, + 22, -1, 24, 25, 26, 27, 28, -1, -1, 31, + 32, -1, -1, -1, -1, 37, -1, -1, -1, -1, + 42, -1, -1, -1, 1, -1, -1, 49, 5, 6, + 7, 8, 9, 10, 11, -1, 13, 14, 15, 16, + 17, 18, 19, 20, 21, 22, -1, 24, 25, 26, + 27, 28, -1, -1, 31, 32, -1, -1, -1, -1, + 37, -1, -1, -1, -1, 42, -1, -1, -1, -1, + -1, -1, 49, 5, 6, 7, 8, 9, 10, 11, + -1, 13, 14, 15, 16, 17, 18, 19, 20, 21, + 22, -1, 24, 25, 26, 27, 28, -1, -1, 31, + 32, -1, -1, -1, -1, -1, 38, -1, -1, -1, + 42, -1, -1, -1, -1, -1, 48, -1, 50, 5, + 6, 7, 8, 9, 10, 11, -1, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, -1, 24, 25, + 26, 27, 28, -1, -1, 31, 32, -1, -1, -1, + -1, 37, -1, -1, -1, -1, 42, 5, 6, 7, + 8, 9, 10, 11, -1, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, -1, 24, 25, 26, 27, + 28, -1, -1, 31, 32, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 42 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 55, 56, 57, 0, 56, 1, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 31, 32, 42, 58, 61, 65, 66, + 67, 68, 69, 70, 74, 85, 100, 102, 45, 46, + 38, 52, 97, 23, 38, 52, 88, 60, 38, 88, + 48, 48, 45, 38, 48, 50, 62, 63, 64, 71, + 75, 76, 67, 97, 38, 98, 99, 59, 88, 1, + 65, 89, 90, 91, 61, 65, 88, 66, 82, 38, + 1, 75, 72, 73, 74, 45, 47, 75, 30, 33, + 101, 34, 48, 51, 46, 47, 61, 45, 46, 38, + 42, 48, 53, 71, 77, 78, 92, 93, 94, 95, + 46, 1, 91, 75, 38, 42, 48, 71, 83, 84, + 49, 49, 49, 49, 74, 64, 96, 1, 79, 80, + 81, 82, 35, 46, 99, 95, 1, 38, 77, 35, + 77, 96, 34, 48, 45, 47, 1, 42, 83, 83, + 34, 48, 45, 31, 51, 86, 87, 49, 49, 37, + 47, 49, 49, 1, 79, 94, 49, 49, 1, 79, + 35, 37, 82, 49, 49, 49, 49 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + 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 (YYID (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 (YYID (0)) +#endif + + +/* This macro is provided for backward compatibility. */ + +#ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + FILE *yyo = yyoutput; + YYUSE (yyo); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule) +#else +static void +yy_reduce_print (yyvsp, yyrule) + YYSTYPE *yyvsp; + int yyrule; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (YY_NULL, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = YY_NULL; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - Assume YYFAIL is not used. It's too flawed to consider. See + <http://lists.gnu.org/archive/html/bison-patches/2009-12/msg00024.html> + for details. YYERROR is fine as it does not invoke this + function. + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + - Of course, the expected token list depends on states to have + correct lookahead information, and it depends on the parser not + to perform extra reductions after fetching a lookahead from the + scanner and before detecting a syntax error. Thus, state merging + (from LALR or IELR) and default reductions corrupt the expected + token list. However, the list is correct for canonical LR with + one exception: it will still contain any token that will not be + accepted due to an error action in a later state. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. In other words, skip the first -YYN actions for + this state because they are default actions. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yyx; + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR + && !yytable_value_is_error (yytable[yyx + yyn])) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } + + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + + yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } + + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + { + char *yyp = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yymsg, yytype, yyvaluep) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + YYUSE (yyvaluep); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + + { is_typedef = 0; is_extern = 0; current_name = NULL; decl_spec = NULL; } + break; + + case 5: + + { free_list(*(yyvsp[(2) - (2)]), NULL); *(yyvsp[(2) - (2)]) = NULL; } + break; + + case 6: + + { is_typedef = 1; } + break; + + case 7: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 8: + + { is_typedef = 1; } + break; + + case 9: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 14: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 15: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 16: + + { if (current_name) { + struct string_list *decl = (*(yyvsp[(3) - (3)]))->next; + (*(yyvsp[(3) - (3)]))->next = NULL; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, + decl, is_extern); + current_name = NULL; + } + (yyval) = (yyvsp[(3) - (3)]); + } + break; + + case 17: + + { (yyval) = NULL; } + break; + + case 19: + + { struct string_list *decl = *(yyvsp[(1) - (1)]); + *(yyvsp[(1) - (1)]) = NULL; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); + current_name = NULL; + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 20: + + { struct string_list *decl = *(yyvsp[(3) - (3)]); + *(yyvsp[(3) - (3)]) = NULL; + free_list(*(yyvsp[(2) - (3)]), NULL); + *(yyvsp[(2) - (3)]) = decl_spec; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); + current_name = NULL; + (yyval) = (yyvsp[(3) - (3)]); + } + break; + + case 21: + + { (yyval) = (yyvsp[(4) - (4)]) ? (yyvsp[(4) - (4)]) : (yyvsp[(3) - (4)]) ? (yyvsp[(3) - (4)]) : (yyvsp[(2) - (4)]) ? (yyvsp[(2) - (4)]) : (yyvsp[(1) - (4)]); } + break; + + case 22: + + { decl_spec = NULL; } + break; + + case 24: + + { decl_spec = *(yyvsp[(1) - (1)]); } + break; + + case 25: + + { decl_spec = *(yyvsp[(2) - (2)]); } + break; + + case 26: + + { /* Version 2 checksumming ignores storage class, as that + is really irrelevant to the linkage. */ + remove_node((yyvsp[(1) - (1)])); + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 31: + + { is_extern = 1; (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 32: + + { is_extern = 0; (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 37: + + { remove_node((yyvsp[(1) - (2)])); (*(yyvsp[(2) - (2)]))->tag = SYM_STRUCT; (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 38: + + { remove_node((yyvsp[(1) - (2)])); (*(yyvsp[(2) - (2)]))->tag = SYM_UNION; (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 39: + + { remove_node((yyvsp[(1) - (2)])); (*(yyvsp[(2) - (2)]))->tag = SYM_ENUM; (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 40: + + { record_compound((yyvsp[(1) - (3)]), (yyvsp[(2) - (3)]), (yyvsp[(3) - (3)]), SYM_STRUCT); (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 41: + + { record_compound((yyvsp[(1) - (3)]), (yyvsp[(2) - (3)]), (yyvsp[(3) - (3)]), SYM_UNION); (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 42: + + { record_compound((yyvsp[(1) - (3)]), (yyvsp[(2) - (3)]), (yyvsp[(3) - (3)]), SYM_ENUM); (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 43: + + { add_symbol(NULL, SYM_ENUM, NULL, 0); (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 44: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 45: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 56: + + { (*(yyvsp[(1) - (1)]))->tag = SYM_TYPEDEF; (yyval) = (yyvsp[(1) - (1)]); } + break; + + case 57: + + { (yyval) = (yyvsp[(2) - (2)]) ? (yyvsp[(2) - (2)]) : (yyvsp[(1) - (2)]); } + break; + + case 58: + + { (yyval) = NULL; } + break; + + case 61: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 65: + + { /* restrict has no effect in prototypes so ignore it */ + remove_node((yyvsp[(1) - (1)])); + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 66: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 68: + + { if (current_name != NULL) { + error_with_pos("unexpected second declaration name"); + YYERROR; + } else { + current_name = (*(yyvsp[(1) - (1)]))->string; + (yyval) = (yyvsp[(1) - (1)]); + } + } + break; + + case 69: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 70: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 71: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 72: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 73: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 74: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 78: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 79: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 80: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 81: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 82: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 83: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 85: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 86: + + { (yyval) = NULL; } + break; + + case 89: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 90: + + { (yyval) = (yyvsp[(2) - (2)]) ? (yyvsp[(2) - (2)]) : (yyvsp[(1) - (2)]); } + break; + + case 91: + + { (yyval) = (yyvsp[(2) - (2)]) ? (yyvsp[(2) - (2)]) : (yyvsp[(1) - (2)]); } + break; + + case 93: + + { (yyval) = NULL; } + break; + + case 94: + + { /* For version 2 checksums, we don't want to remember + private parameter names. */ + remove_node((yyvsp[(1) - (1)])); + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 95: + + { remove_node((yyvsp[(1) - (1)])); + (yyval) = (yyvsp[(1) - (1)]); + } + break; + + case 96: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 97: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 98: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 99: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 100: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 101: + + { struct string_list *decl = *(yyvsp[(2) - (3)]); + *(yyvsp[(2) - (3)]) = NULL; + add_symbol(current_name, SYM_NORMAL, decl, is_extern); + (yyval) = (yyvsp[(3) - (3)]); + } + break; + + case 102: + + { (yyval) = NULL; } + break; + + case 104: + + { remove_list((yyvsp[(2) - (2)]), &(*(yyvsp[(1) - (2)]))->next); (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 105: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 106: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 107: + + { (yyval) = NULL; } + break; + + case 110: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 111: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 112: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 113: + + { (yyval) = NULL; } + break; + + case 116: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 117: + + { (yyval) = (yyvsp[(2) - (2)]) ? (yyvsp[(2) - (2)]) : (yyvsp[(1) - (2)]); } + break; + + case 118: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 120: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 121: + + { (yyval) = NULL; } + break; + + case 123: + + { (yyval) = (yyvsp[(3) - (3)]); } + break; + + case 124: + + { (yyval) = (yyvsp[(4) - (4)]); } + break; + + case 127: + + { + const char *name = strdup((*(yyvsp[(1) - (1)]))->string); + add_symbol(name, SYM_ENUM_CONST, NULL, 0); + } + break; + + case 128: + + { + const char *name = strdup((*(yyvsp[(1) - (3)]))->string); + struct string_list *expr = copy_list_range(*(yyvsp[(3) - (3)]), *(yyvsp[(2) - (3)])); + add_symbol(name, SYM_ENUM_CONST, expr, 0); + } + break; + + case 129: + + { (yyval) = (yyvsp[(2) - (2)]); } + break; + + case 130: + + { (yyval) = NULL; } + break; + + case 132: + + { export_symbol((*(yyvsp[(3) - (5)]))->string); (yyval) = (yyvsp[(5) - (5)]); } + break; + + + + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined yyoverflow || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + + + +static void +yyerror(const char *e) +{ + error_with_pos("%s", e); +} + diff --git a/kernel/scripts/genksyms/parse.tab.h_shipped b/kernel/scripts/genksyms/parse.tab.h_shipped new file mode 100644 index 000000000..a4737dec4 --- /dev/null +++ b/kernel/scripts/genksyms/parse.tab.h_shipped @@ -0,0 +1,96 @@ +/* A Bison parser, made by GNU Bison 2.5.1. */ + +/* Bison interface for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, Inc. + + 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 3 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, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + ASM_KEYW = 258, + ATTRIBUTE_KEYW = 259, + AUTO_KEYW = 260, + BOOL_KEYW = 261, + CHAR_KEYW = 262, + CONST_KEYW = 263, + DOUBLE_KEYW = 264, + ENUM_KEYW = 265, + EXTERN_KEYW = 266, + EXTENSION_KEYW = 267, + FLOAT_KEYW = 268, + INLINE_KEYW = 269, + INT_KEYW = 270, + LONG_KEYW = 271, + REGISTER_KEYW = 272, + RESTRICT_KEYW = 273, + SHORT_KEYW = 274, + SIGNED_KEYW = 275, + STATIC_KEYW = 276, + STRUCT_KEYW = 277, + TYPEDEF_KEYW = 278, + UNION_KEYW = 279, + UNSIGNED_KEYW = 280, + VOID_KEYW = 281, + VOLATILE_KEYW = 282, + TYPEOF_KEYW = 283, + EXPORT_SYMBOL_KEYW = 284, + ASM_PHRASE = 285, + ATTRIBUTE_PHRASE = 286, + TYPEOF_PHRASE = 287, + BRACE_PHRASE = 288, + BRACKET_PHRASE = 289, + EXPRESSION_PHRASE = 290, + CHAR = 291, + DOTS = 292, + IDENT = 293, + INT = 294, + REAL = 295, + STRING = 296, + TYPE = 297, + OTHER = 298, + FILENAME = 299 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +extern YYSTYPE yylval; + + diff --git a/kernel/scripts/genksyms/parse.y b/kernel/scripts/genksyms/parse.y new file mode 100644 index 000000000..b9f4cf202 --- /dev/null +++ b/kernel/scripts/genksyms/parse.y @@ -0,0 +1,504 @@ +/* C global declaration parser for genksyms. + Copyright 1996, 1997 Linux International. + + New implementation contributed by Richard Henderson <rth@tamu.edu> + Based on original work by Bjorn Ekwall <bj0rn@blox.se> + + This file is part of the Linux modutils. + + 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 <assert.h> +#include <stdlib.h> +#include <string.h> +#include "genksyms.h" + +static int is_typedef; +static int is_extern; +static char *current_name; +static struct string_list *decl_spec; + +static void yyerror(const char *); + +static inline void +remove_node(struct string_list **p) +{ + struct string_list *node = *p; + *p = node->next; + free_node(node); +} + +static inline void +remove_list(struct string_list **pb, struct string_list **pe) +{ + struct string_list *b = *pb, *e = *pe; + *pb = e; + free_list(b, e); +} + +/* Record definition of a struct/union/enum */ +static void record_compound(struct string_list **keyw, + struct string_list **ident, + struct string_list **body, + enum symbol_type type) +{ + struct string_list *b = *body, *i = *ident, *r; + + if (i->in_source_file) { + remove_node(keyw); + (*ident)->tag = type; + remove_list(body, ident); + return; + } + r = copy_node(i); r->tag = type; + r->next = (*keyw)->next; *body = r; (*keyw)->next = NULL; + add_symbol(i->string, type, b, is_extern); +} + +%} + +%token ASM_KEYW +%token ATTRIBUTE_KEYW +%token AUTO_KEYW +%token BOOL_KEYW +%token CHAR_KEYW +%token CONST_KEYW +%token DOUBLE_KEYW +%token ENUM_KEYW +%token EXTERN_KEYW +%token EXTENSION_KEYW +%token FLOAT_KEYW +%token INLINE_KEYW +%token INT_KEYW +%token LONG_KEYW +%token REGISTER_KEYW +%token RESTRICT_KEYW +%token SHORT_KEYW +%token SIGNED_KEYW +%token STATIC_KEYW +%token STRUCT_KEYW +%token TYPEDEF_KEYW +%token UNION_KEYW +%token UNSIGNED_KEYW +%token VOID_KEYW +%token VOLATILE_KEYW +%token TYPEOF_KEYW + +%token EXPORT_SYMBOL_KEYW + +%token ASM_PHRASE +%token ATTRIBUTE_PHRASE +%token TYPEOF_PHRASE +%token BRACE_PHRASE +%token BRACKET_PHRASE +%token EXPRESSION_PHRASE + +%token CHAR +%token DOTS +%token IDENT +%token INT +%token REAL +%token STRING +%token TYPE +%token OTHER +%token FILENAME + +%% + +declaration_seq: + declaration + | declaration_seq declaration + ; + +declaration: + { is_typedef = 0; is_extern = 0; current_name = NULL; decl_spec = NULL; } + declaration1 + { free_list(*$2, NULL); *$2 = NULL; } + ; + +declaration1: + EXTENSION_KEYW TYPEDEF_KEYW { is_typedef = 1; } simple_declaration + { $$ = $4; } + | TYPEDEF_KEYW { is_typedef = 1; } simple_declaration + { $$ = $3; } + | simple_declaration + | function_definition + | asm_definition + | export_definition + | error ';' { $$ = $2; } + | error '}' { $$ = $2; } + ; + +simple_declaration: + decl_specifier_seq_opt init_declarator_list_opt ';' + { if (current_name) { + struct string_list *decl = (*$3)->next; + (*$3)->next = NULL; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, + decl, is_extern); + current_name = NULL; + } + $$ = $3; + } + ; + +init_declarator_list_opt: + /* empty */ { $$ = NULL; } + | init_declarator_list + ; + +init_declarator_list: + init_declarator + { struct string_list *decl = *$1; + *$1 = NULL; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); + current_name = NULL; + $$ = $1; + } + | init_declarator_list ',' init_declarator + { struct string_list *decl = *$3; + *$3 = NULL; + free_list(*$2, NULL); + *$2 = decl_spec; + add_symbol(current_name, + is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); + current_name = NULL; + $$ = $3; + } + ; + +init_declarator: + declarator asm_phrase_opt attribute_opt initializer_opt + { $$ = $4 ? $4 : $3 ? $3 : $2 ? $2 : $1; } + ; + +/* Hang on to the specifiers so that we can reuse them. */ +decl_specifier_seq_opt: + /* empty */ { decl_spec = NULL; } + | decl_specifier_seq + ; + +decl_specifier_seq: + decl_specifier { decl_spec = *$1; } + | decl_specifier_seq decl_specifier { decl_spec = *$2; } + ; + +decl_specifier: + storage_class_specifier + { /* Version 2 checksumming ignores storage class, as that + is really irrelevant to the linkage. */ + remove_node($1); + $$ = $1; + } + | type_specifier + ; + +storage_class_specifier: + AUTO_KEYW + | REGISTER_KEYW + | STATIC_KEYW + | EXTERN_KEYW { is_extern = 1; $$ = $1; } + | INLINE_KEYW { is_extern = 0; $$ = $1; } + ; + +type_specifier: + simple_type_specifier + | cvar_qualifier + | TYPEOF_KEYW '(' parameter_declaration ')' + | TYPEOF_PHRASE + + /* References to s/u/e's defined elsewhere. Rearrange things + so that it is easier to expand the definition fully later. */ + | STRUCT_KEYW IDENT + { remove_node($1); (*$2)->tag = SYM_STRUCT; $$ = $2; } + | UNION_KEYW IDENT + { remove_node($1); (*$2)->tag = SYM_UNION; $$ = $2; } + | ENUM_KEYW IDENT + { remove_node($1); (*$2)->tag = SYM_ENUM; $$ = $2; } + + /* Full definitions of an s/u/e. Record it. */ + | STRUCT_KEYW IDENT class_body + { record_compound($1, $2, $3, SYM_STRUCT); $$ = $3; } + | UNION_KEYW IDENT class_body + { record_compound($1, $2, $3, SYM_UNION); $$ = $3; } + | ENUM_KEYW IDENT enum_body + { record_compound($1, $2, $3, SYM_ENUM); $$ = $3; } + /* + * Anonymous enum definition. Tell add_symbol() to restart its counter. + */ + | ENUM_KEYW enum_body + { add_symbol(NULL, SYM_ENUM, NULL, 0); $$ = $2; } + /* Anonymous s/u definitions. Nothing needs doing. */ + | STRUCT_KEYW class_body { $$ = $2; } + | UNION_KEYW class_body { $$ = $2; } + ; + +simple_type_specifier: + CHAR_KEYW + | SHORT_KEYW + | INT_KEYW + | LONG_KEYW + | SIGNED_KEYW + | UNSIGNED_KEYW + | FLOAT_KEYW + | DOUBLE_KEYW + | VOID_KEYW + | BOOL_KEYW + | TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; } + ; + +ptr_operator: + '*' cvar_qualifier_seq_opt + { $$ = $2 ? $2 : $1; } + ; + +cvar_qualifier_seq_opt: + /* empty */ { $$ = NULL; } + | cvar_qualifier_seq + ; + +cvar_qualifier_seq: + cvar_qualifier + | cvar_qualifier_seq cvar_qualifier { $$ = $2; } + ; + +cvar_qualifier: + CONST_KEYW | VOLATILE_KEYW | ATTRIBUTE_PHRASE + | RESTRICT_KEYW + { /* restrict has no effect in prototypes so ignore it */ + remove_node($1); + $$ = $1; + } + ; + +declarator: + ptr_operator declarator { $$ = $2; } + | direct_declarator + ; + +direct_declarator: + IDENT + { if (current_name != NULL) { + error_with_pos("unexpected second declaration name"); + YYERROR; + } else { + current_name = (*$1)->string; + $$ = $1; + } + } + | direct_declarator '(' parameter_declaration_clause ')' + { $$ = $4; } + | direct_declarator '(' error ')' + { $$ = $4; } + | direct_declarator BRACKET_PHRASE + { $$ = $2; } + | '(' declarator ')' + { $$ = $3; } + | '(' error ')' + { $$ = $3; } + ; + +/* Nested declarators differ from regular declarators in that they do + not record the symbols they find in the global symbol table. */ +nested_declarator: + ptr_operator nested_declarator { $$ = $2; } + | direct_nested_declarator + ; + +direct_nested_declarator: + IDENT + | TYPE + | direct_nested_declarator '(' parameter_declaration_clause ')' + { $$ = $4; } + | direct_nested_declarator '(' error ')' + { $$ = $4; } + | direct_nested_declarator BRACKET_PHRASE + { $$ = $2; } + | '(' nested_declarator ')' + { $$ = $3; } + | '(' error ')' + { $$ = $3; } + ; + +parameter_declaration_clause: + parameter_declaration_list_opt DOTS { $$ = $2; } + | parameter_declaration_list_opt + | parameter_declaration_list ',' DOTS { $$ = $3; } + ; + +parameter_declaration_list_opt: + /* empty */ { $$ = NULL; } + | parameter_declaration_list + ; + +parameter_declaration_list: + parameter_declaration + | parameter_declaration_list ',' parameter_declaration + { $$ = $3; } + ; + +parameter_declaration: + decl_specifier_seq m_abstract_declarator + { $$ = $2 ? $2 : $1; } + ; + +m_abstract_declarator: + ptr_operator m_abstract_declarator + { $$ = $2 ? $2 : $1; } + | direct_m_abstract_declarator + ; + +direct_m_abstract_declarator: + /* empty */ { $$ = NULL; } + | IDENT + { /* For version 2 checksums, we don't want to remember + private parameter names. */ + remove_node($1); + $$ = $1; + } + /* This wasn't really a typedef name but an identifier that + shadows one. */ + | TYPE + { remove_node($1); + $$ = $1; + } + | direct_m_abstract_declarator '(' parameter_declaration_clause ')' + { $$ = $4; } + | direct_m_abstract_declarator '(' error ')' + { $$ = $4; } + | direct_m_abstract_declarator BRACKET_PHRASE + { $$ = $2; } + | '(' m_abstract_declarator ')' + { $$ = $3; } + | '(' error ')' + { $$ = $3; } + ; + +function_definition: + decl_specifier_seq_opt declarator BRACE_PHRASE + { struct string_list *decl = *$2; + *$2 = NULL; + add_symbol(current_name, SYM_NORMAL, decl, is_extern); + $$ = $3; + } + ; + +initializer_opt: + /* empty */ { $$ = NULL; } + | initializer + ; + +/* We never care about the contents of an initializer. */ +initializer: + '=' EXPRESSION_PHRASE + { remove_list($2, &(*$1)->next); $$ = $2; } + ; + +class_body: + '{' member_specification_opt '}' { $$ = $3; } + | '{' error '}' { $$ = $3; } + ; + +member_specification_opt: + /* empty */ { $$ = NULL; } + | member_specification + ; + +member_specification: + member_declaration + | member_specification member_declaration { $$ = $2; } + ; + +member_declaration: + decl_specifier_seq_opt member_declarator_list_opt ';' + { $$ = $3; } + | error ';' + { $$ = $2; } + ; + +member_declarator_list_opt: + /* empty */ { $$ = NULL; } + | member_declarator_list + ; + +member_declarator_list: + member_declarator + | member_declarator_list ',' member_declarator { $$ = $3; } + ; + +member_declarator: + nested_declarator attribute_opt { $$ = $2 ? $2 : $1; } + | IDENT member_bitfield_declarator { $$ = $2; } + | member_bitfield_declarator + ; + +member_bitfield_declarator: + ':' EXPRESSION_PHRASE { $$ = $2; } + ; + +attribute_opt: + /* empty */ { $$ = NULL; } + | attribute_opt ATTRIBUTE_PHRASE + ; + +enum_body: + '{' enumerator_list '}' { $$ = $3; } + | '{' enumerator_list ',' '}' { $$ = $4; } + ; + +enumerator_list: + enumerator + | enumerator_list ',' enumerator + +enumerator: + IDENT + { + const char *name = strdup((*$1)->string); + add_symbol(name, SYM_ENUM_CONST, NULL, 0); + } + | IDENT '=' EXPRESSION_PHRASE + { + const char *name = strdup((*$1)->string); + struct string_list *expr = copy_list_range(*$3, *$2); + add_symbol(name, SYM_ENUM_CONST, expr, 0); + } + +asm_definition: + ASM_PHRASE ';' { $$ = $2; } + ; + +asm_phrase_opt: + /* empty */ { $$ = NULL; } + | ASM_PHRASE + ; + +export_definition: + EXPORT_SYMBOL_KEYW '(' IDENT ')' ';' + { export_symbol((*$3)->string); $$ = $5; } + ; + + +%% + +static void +yyerror(const char *e) +{ + error_with_pos("%s", e); +} |