2172 lines
40 KiB
C
2172 lines
40 KiB
C
/* $Id: output.c,v 1.92 2019/11/20 00:55:05 tom Exp $ */
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#include "defs.h"
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#define StaticOrR (rflag ? "" : "static ")
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#define CountLine(fp) (!rflag || ((fp) == code_file))
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#if defined(YYBTYACC)
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#define PER_STATE 3
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#else
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#define PER_STATE 2
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#endif
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static int nvectors;
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static int nentries;
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static Value_t **froms;
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static Value_t **tos;
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#if defined(YYBTYACC)
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static Value_t *conflicts = NULL;
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static Value_t nconflicts = 0;
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#endif
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static Value_t *tally;
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static Value_t *width;
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static Value_t *state_count;
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static Value_t *order;
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static Value_t *base;
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static Value_t *pos;
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static int maxtable;
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static Value_t *table;
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static Value_t *check;
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static int lowzero;
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static long high;
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static void
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putc_code(FILE * fp, int c)
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{
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if ((c == '\n') && (fp == code_file))
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++outline;
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putc(c, fp);
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}
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static void
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putl_code(FILE * fp, const char *s)
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{
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if (fp == code_file)
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++outline;
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fputs(s, fp);
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}
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static void
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puts_code(FILE * fp, const char *s)
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{
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fputs(s, fp);
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}
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static void
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puts_param_types(FILE * fp, param *list, int more)
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{
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param *p;
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if (list != 0)
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{
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for (p = list; p; p = p->next)
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{
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size_t len_type = strlen(p->type);
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fprintf(fp, "%s%s%s%s%s", p->type,
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(((len_type != 0) && (p->type[len_type - 1] == '*'))
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? ""
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: " "),
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p->name, p->type2,
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((more || p->next) ? ", " : ""));
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}
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}
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else
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{
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if (!more)
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fprintf(fp, "void");
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}
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}
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static void
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puts_param_names(FILE * fp, param *list, int more)
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{
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param *p;
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for (p = list; p; p = p->next)
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{
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fprintf(fp, "%s%s", p->name,
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((more || p->next) ? ", " : ""));
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}
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}
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static void
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write_code_lineno(FILE * fp)
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{
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if (!lflag && (fp == code_file))
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{
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++outline;
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fprintf(fp, line_format, outline + 1, code_file_name);
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}
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}
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static void
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write_input_lineno(void)
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{
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if (!lflag)
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{
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++outline;
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fprintf(code_file, line_format, lineno, input_file_name);
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}
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}
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static void
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define_prefixed(FILE * fp, const char *name)
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{
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int bump_line = CountLine(fp);
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if (bump_line)
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++outline;
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fprintf(fp, "\n");
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if (bump_line)
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++outline;
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fprintf(fp, "#ifndef %s\n", name);
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if (bump_line)
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++outline;
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fprintf(fp, "#define %-10s %s%s\n", name, symbol_prefix, name + 2);
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if (bump_line)
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++outline;
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fprintf(fp, "#endif /* %s */\n", name);
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}
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static void
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output_prefix(FILE * fp)
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{
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if (symbol_prefix == NULL)
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{
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symbol_prefix = "yy";
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}
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else
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{
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define_prefixed(fp, "yyparse");
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define_prefixed(fp, "yylex");
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define_prefixed(fp, "yyerror");
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define_prefixed(fp, "yychar");
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define_prefixed(fp, "yyval");
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define_prefixed(fp, "yylval");
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define_prefixed(fp, "yydebug");
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define_prefixed(fp, "yynerrs");
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define_prefixed(fp, "yyerrflag");
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define_prefixed(fp, "yylhs");
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define_prefixed(fp, "yylen");
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define_prefixed(fp, "yydefred");
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#if defined(YYBTYACC)
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define_prefixed(fp, "yystos");
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#endif
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define_prefixed(fp, "yydgoto");
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define_prefixed(fp, "yysindex");
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define_prefixed(fp, "yyrindex");
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define_prefixed(fp, "yygindex");
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define_prefixed(fp, "yytable");
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define_prefixed(fp, "yycheck");
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define_prefixed(fp, "yyname");
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define_prefixed(fp, "yyrule");
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#if defined(YYBTYACC)
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if (locations)
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{
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define_prefixed(fp, "yyloc");
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define_prefixed(fp, "yylloc");
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}
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putc_code(fp, '\n');
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putl_code(fp, "#if YYBTYACC\n");
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define_prefixed(fp, "yycindex");
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define_prefixed(fp, "yyctable");
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putc_code(fp, '\n');
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putl_code(fp, "#endif /* YYBTYACC */\n");
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putc_code(fp, '\n');
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#endif
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}
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if (CountLine(fp))
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++outline;
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fprintf(fp, "#define YYPREFIX \"%s\"\n", symbol_prefix);
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}
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static void
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output_code_lines(FILE * fp, int cl)
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{
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if (code_lines[cl].lines != NULL)
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{
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if (fp == code_file)
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{
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outline += (int)code_lines[cl].num;
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outline += 3;
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fprintf(fp, "\n");
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}
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fprintf(fp, "/* %%code \"%s\" block start */\n", code_lines[cl].name);
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fputs(code_lines[cl].lines, fp);
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fprintf(fp, "/* %%code \"%s\" block end */\n", code_lines[cl].name);
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if (fp == code_file)
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{
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write_code_lineno(fp);
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}
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}
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}
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static void
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output_newline(void)
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{
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if (!rflag)
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++outline;
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putc('\n', output_file);
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}
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static void
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output_line(const char *value)
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{
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fputs(value, output_file);
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output_newline();
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}
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static void
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output_int(int value)
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{
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fprintf(output_file, "%5d,", value);
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}
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static void
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start_int_table(const char *name, int value)
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{
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int need = 34 - (int)(strlen(symbol_prefix) + strlen(name));
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if (need < 6)
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need = 6;
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fprintf(output_file,
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"%sconst YYINT %s%s[] = {%*d,",
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StaticOrR, symbol_prefix, name, need, value);
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}
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static void
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start_str_table(const char *name)
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{
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fprintf(output_file,
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"%sconst char *const %s%s[] = {",
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StaticOrR, symbol_prefix, name);
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output_newline();
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}
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static void
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end_table(void)
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{
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output_newline();
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output_line("};");
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}
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static void
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output_stype(FILE * fp)
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{
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if (!unionized && ntags == 0)
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{
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putc_code(fp, '\n');
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putl_code(fp, "#if "
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"! defined(YYSTYPE) && "
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"! defined(YYSTYPE_IS_DECLARED)\n");
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putl_code(fp, "/* Default: YYSTYPE is the semantic value type. */\n");
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putl_code(fp, "typedef int YYSTYPE;\n");
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putl_code(fp, "# define YYSTYPE_IS_DECLARED 1\n");
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putl_code(fp, "#endif\n");
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}
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}
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#if defined(YYBTYACC)
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static void
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output_ltype(FILE * fp)
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{
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putc_code(fp, '\n');
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putl_code(fp, "#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED\n");
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putl_code(fp, "/* Default: YYLTYPE is the text position type. */\n");
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putl_code(fp, "typedef struct YYLTYPE\n");
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putl_code(fp, "{\n");
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putl_code(fp, " int first_line;\n");
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putl_code(fp, " int first_column;\n");
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putl_code(fp, " int last_line;\n");
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putl_code(fp, " int last_column;\n");
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putl_code(fp, " unsigned source;\n");
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putl_code(fp, "} YYLTYPE;\n");
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putl_code(fp, "#define YYLTYPE_IS_DECLARED 1\n");
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putl_code(fp, "#endif\n");
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putl_code(fp, "#define YYRHSLOC(rhs, k) ((rhs)[k])\n");
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}
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#endif
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static void
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output_YYINT_typedef(FILE * fp)
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{
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/* generate the type used to index the various parser tables */
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if (CountLine(fp))
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++outline;
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fprintf(fp, "typedef %s YYINT;\n", CONCAT1("", YYINT));
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}
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static void
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output_rule_data(void)
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{
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int i;
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int j;
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output_YYINT_typedef(output_file);
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start_int_table("lhs", symbol_value[start_symbol]);
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j = 10;
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for (i = 3; i < nrules; i++)
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{
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if (j >= 10)
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{
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output_newline();
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j = 1;
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}
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else
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++j;
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output_int(symbol_value[rlhs[i]]);
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}
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end_table();
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start_int_table("len", 2);
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j = 10;
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for (i = 3; i < nrules; i++)
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{
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if (j >= 10)
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{
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output_newline();
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j = 1;
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}
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else
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j++;
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output_int(rrhs[i + 1] - rrhs[i] - 1);
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}
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end_table();
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}
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static void
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output_yydefred(void)
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{
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int i, j;
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start_int_table("defred", (defred[0] ? defred[0] - 2 : 0));
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j = 10;
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for (i = 1; i < nstates; i++)
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{
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if (j < 10)
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++j;
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else
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{
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output_newline();
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j = 1;
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}
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output_int((defred[i] ? defred[i] - 2 : 0));
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}
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end_table();
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}
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#if defined(YYBTYACC)
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static void
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output_accessing_symbols(void)
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{
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int i, j;
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int *translate;
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if (nstates != 0)
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{
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translate = TMALLOC(int, nstates);
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NO_SPACE(translate);
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for (i = 0; i < nstates; ++i)
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{
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int gsymb = accessing_symbol[i];
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translate[i] = symbol_pval[gsymb];
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}
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putl_code(output_file,
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"#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)\n");
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/* yystos[] may be unused, depending on compile-time defines */
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start_int_table("stos", translate[0]);
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j = 10;
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for (i = 1; i < nstates; ++i)
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{
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if (j < 10)
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++j;
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else
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{
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output_newline();
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j = 1;
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}
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output_int(translate[i]);
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}
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end_table();
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FREE(translate);
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putl_code(output_file,
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"#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */\n");
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}
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}
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static Value_t
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find_conflict_base(int cbase)
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{
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int i, j;
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for (i = 0; i < cbase; i++)
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{
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for (j = 0; j + cbase < nconflicts; j++)
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{
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if (conflicts[i + j] != conflicts[cbase + j])
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break;
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}
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if (j + cbase >= nconflicts)
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break;
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}
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return (Value_t)i;
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}
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#endif
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static void
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token_actions(void)
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{
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int i, j;
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Value_t shiftcount, reducecount;
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#if defined(YYBTYACC)
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Value_t conflictcount = 0;
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Value_t csym = -1;
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Value_t cbase = 0;
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#endif
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int max, min;
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Value_t *actionrow, *r, *s;
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action *p;
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actionrow = NEW2(PER_STATE * ntokens, Value_t);
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for (i = 0; i < nstates; ++i)
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{
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if (parser[i])
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{
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for (j = 0; j < PER_STATE * ntokens; ++j)
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actionrow[j] = 0;
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shiftcount = 0;
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reducecount = 0;
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#if defined(YYBTYACC)
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if (backtrack)
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{
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conflictcount = 0;
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csym = -1;
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cbase = nconflicts;
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}
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#endif
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for (p = parser[i]; p; p = p->next)
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{
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#if defined(YYBTYACC)
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if (backtrack)
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{
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if (csym != -1 && csym != p->symbol)
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{
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conflictcount++;
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conflicts[nconflicts++] = -1;
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j = find_conflict_base(cbase);
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actionrow[csym + 2 * ntokens] = (Value_t)(j + 1);
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if (j == cbase)
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{
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cbase = nconflicts;
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}
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else
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{
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if (conflicts[cbase] == -1)
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cbase++;
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nconflicts = cbase;
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}
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csym = -1;
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}
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}
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#endif
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if (p->suppressed == 0)
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{
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if (p->action_code == SHIFT)
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{
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++shiftcount;
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actionrow[p->symbol] = p->number;
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}
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else if (p->action_code == REDUCE && p->number != defred[i])
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{
|
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++reducecount;
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actionrow[p->symbol + ntokens] = p->number;
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}
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}
|
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#if defined(YYBTYACC)
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else if (backtrack && p->suppressed == 1)
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{
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csym = p->symbol;
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if (p->action_code == SHIFT)
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{
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conflicts[nconflicts++] = p->number;
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}
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else if (p->action_code == REDUCE && p->number != defred[i])
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{
|
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if (cbase == nconflicts)
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{
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if (cbase)
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cbase--;
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else
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conflicts[nconflicts++] = -1;
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}
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conflicts[nconflicts++] = (Value_t)(p->number - 2);
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}
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}
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#endif
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}
|
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#if defined(YYBTYACC)
|
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if (backtrack && csym != -1)
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{
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conflictcount++;
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conflicts[nconflicts++] = -1;
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j = find_conflict_base(cbase);
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actionrow[csym + 2 * ntokens] = (Value_t)(j + 1);
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if (j == cbase)
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{
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cbase = nconflicts;
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}
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else
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{
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if (conflicts[cbase] == -1)
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cbase++;
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nconflicts = cbase;
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}
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}
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#endif
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tally[i] = shiftcount;
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tally[nstates + i] = reducecount;
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#if defined(YYBTYACC)
|
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if (backtrack)
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tally[2 * nstates + i] = conflictcount;
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#endif
|
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width[i] = 0;
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width[nstates + i] = 0;
|
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#if defined(YYBTYACC)
|
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if (backtrack)
|
|
width[2 * nstates + i] = 0;
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#endif
|
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if (shiftcount > 0)
|
|
{
|
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froms[i] = r = NEW2(shiftcount, Value_t);
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tos[i] = s = NEW2(shiftcount, Value_t);
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min = MAXYYINT;
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max = 0;
|
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for (j = 0; j < ntokens; ++j)
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{
|
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if (actionrow[j])
|
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{
|
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if (min > symbol_value[j])
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min = symbol_value[j];
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if (max < symbol_value[j])
|
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max = symbol_value[j];
|
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*r++ = symbol_value[j];
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*s++ = actionrow[j];
|
|
}
|
|
}
|
|
width[i] = (Value_t)(max - min + 1);
|
|
}
|
|
if (reducecount > 0)
|
|
{
|
|
froms[nstates + i] = r = NEW2(reducecount, Value_t);
|
|
tos[nstates + i] = s = NEW2(reducecount, Value_t);
|
|
min = MAXYYINT;
|
|
max = 0;
|
|
for (j = 0; j < ntokens; ++j)
|
|
{
|
|
if (actionrow[ntokens + j])
|
|
{
|
|
if (min > symbol_value[j])
|
|
min = symbol_value[j];
|
|
if (max < symbol_value[j])
|
|
max = symbol_value[j];
|
|
*r++ = symbol_value[j];
|
|
*s++ = (Value_t)(actionrow[ntokens + j] - 2);
|
|
}
|
|
}
|
|
width[nstates + i] = (Value_t)(max - min + 1);
|
|
}
|
|
#if defined(YYBTYACC)
|
|
if (backtrack && conflictcount > 0)
|
|
{
|
|
froms[2 * nstates + i] = r = NEW2(conflictcount, Value_t);
|
|
tos[2 * nstates + i] = s = NEW2(conflictcount, Value_t);
|
|
min = MAXYYINT;
|
|
max = 0;
|
|
for (j = 0; j < ntokens; ++j)
|
|
{
|
|
if (actionrow[2 * ntokens + j])
|
|
{
|
|
if (min > symbol_value[j])
|
|
min = symbol_value[j];
|
|
if (max < symbol_value[j])
|
|
max = symbol_value[j];
|
|
*r++ = symbol_value[j];
|
|
*s++ = (Value_t)(actionrow[2 * ntokens + j] - 1);
|
|
}
|
|
}
|
|
width[2 * nstates + i] = (Value_t)(max - min + 1);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
FREE(actionrow);
|
|
}
|
|
|
|
static int
|
|
default_goto(int symbol)
|
|
{
|
|
int i;
|
|
int m;
|
|
int n;
|
|
int default_state;
|
|
int max;
|
|
|
|
m = goto_map[symbol];
|
|
n = goto_map[symbol + 1];
|
|
|
|
if (m == n)
|
|
return (0);
|
|
|
|
for (i = 0; i < nstates; i++)
|
|
state_count[i] = 0;
|
|
|
|
for (i = m; i < n; i++)
|
|
state_count[to_state[i]]++;
|
|
|
|
max = 0;
|
|
default_state = 0;
|
|
for (i = 0; i < nstates; i++)
|
|
{
|
|
if (state_count[i] > max)
|
|
{
|
|
max = state_count[i];
|
|
default_state = i;
|
|
}
|
|
}
|
|
|
|
return (default_state);
|
|
}
|
|
|
|
static void
|
|
save_column(int symbol, int default_state)
|
|
{
|
|
int i;
|
|
int m;
|
|
int n;
|
|
Value_t *sp;
|
|
Value_t *sp1;
|
|
Value_t *sp2;
|
|
Value_t count;
|
|
int symno;
|
|
|
|
m = goto_map[symbol];
|
|
n = goto_map[symbol + 1];
|
|
|
|
count = 0;
|
|
for (i = m; i < n; i++)
|
|
{
|
|
if (to_state[i] != default_state)
|
|
++count;
|
|
}
|
|
if (count == 0)
|
|
return;
|
|
|
|
symno = symbol_value[symbol] + PER_STATE * nstates;
|
|
|
|
froms[symno] = sp1 = sp = NEW2(count, Value_t);
|
|
tos[symno] = sp2 = NEW2(count, Value_t);
|
|
|
|
for (i = m; i < n; i++)
|
|
{
|
|
if (to_state[i] != default_state)
|
|
{
|
|
*sp1++ = from_state[i];
|
|
*sp2++ = to_state[i];
|
|
}
|
|
}
|
|
|
|
tally[symno] = count;
|
|
width[symno] = (Value_t)(sp1[-1] - sp[0] + 1);
|
|
}
|
|
|
|
static void
|
|
goto_actions(void)
|
|
{
|
|
int i, j, k;
|
|
|
|
state_count = NEW2(nstates, Value_t);
|
|
|
|
k = default_goto(start_symbol + 1);
|
|
start_int_table("dgoto", k);
|
|
save_column(start_symbol + 1, k);
|
|
|
|
j = 10;
|
|
for (i = start_symbol + 2; i < nsyms; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
k = default_goto(i);
|
|
output_int(k);
|
|
save_column(i, k);
|
|
}
|
|
|
|
end_table();
|
|
FREE(state_count);
|
|
}
|
|
|
|
static void
|
|
sort_actions(void)
|
|
{
|
|
Value_t i;
|
|
int j;
|
|
int k;
|
|
int t;
|
|
int w;
|
|
|
|
order = NEW2(nvectors, Value_t);
|
|
nentries = 0;
|
|
|
|
for (i = 0; i < nvectors; i++)
|
|
{
|
|
if (tally[i] > 0)
|
|
{
|
|
t = tally[i];
|
|
w = width[i];
|
|
j = nentries - 1;
|
|
|
|
while (j >= 0 && (width[order[j]] < w))
|
|
j--;
|
|
|
|
while (j >= 0 && (width[order[j]] == w) && (tally[order[j]] < t))
|
|
j--;
|
|
|
|
for (k = nentries - 1; k > j; k--)
|
|
order[k + 1] = order[k];
|
|
|
|
order[j + 1] = i;
|
|
nentries++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* The function matching_vector determines if the vector specified by */
|
|
/* the input parameter matches a previously considered vector. The */
|
|
/* test at the start of the function checks if the vector represents */
|
|
/* a row of shifts over terminal symbols or a row of reductions, or a */
|
|
/* column of shifts over a nonterminal symbol. Berkeley Yacc does not */
|
|
/* check if a column of shifts over a nonterminal symbols matches a */
|
|
/* previously considered vector. Because of the nature of LR parsing */
|
|
/* tables, no two columns can match. Therefore, the only possible */
|
|
/* match would be between a row and a column. Such matches are */
|
|
/* unlikely. Therefore, to save time, no attempt is made to see if a */
|
|
/* column matches a previously considered vector. */
|
|
/* */
|
|
/* Matching_vector is poorly designed. The test could easily be made */
|
|
/* faster. Also, it depends on the vectors being in a specific */
|
|
/* order. */
|
|
#if defined(YYBTYACC)
|
|
/* */
|
|
/* Not really any point in checking for matching conflicts -- it is */
|
|
/* extremely unlikely to occur, and conflicts are (hopefully) rare. */
|
|
#endif
|
|
|
|
static int
|
|
matching_vector(int vector)
|
|
{
|
|
int i;
|
|
int j;
|
|
int k;
|
|
int t;
|
|
int w;
|
|
int match;
|
|
int prev;
|
|
|
|
i = order[vector];
|
|
if (i >= 2 * nstates)
|
|
return (-1);
|
|
|
|
t = tally[i];
|
|
w = width[i];
|
|
|
|
for (prev = vector - 1; prev >= 0; prev--)
|
|
{
|
|
j = order[prev];
|
|
if (width[j] != w || tally[j] != t)
|
|
return (-1);
|
|
|
|
match = 1;
|
|
for (k = 0; match && k < t; k++)
|
|
{
|
|
if (tos[j][k] != tos[i][k] || froms[j][k] != froms[i][k])
|
|
match = 0;
|
|
}
|
|
|
|
if (match)
|
|
return (j);
|
|
}
|
|
|
|
return (-1);
|
|
}
|
|
|
|
static int
|
|
pack_vector(int vector)
|
|
{
|
|
int i, j, k, l;
|
|
int t;
|
|
int loc;
|
|
int ok;
|
|
Value_t *from;
|
|
Value_t *to;
|
|
int newmax;
|
|
|
|
i = order[vector];
|
|
t = tally[i];
|
|
assert(t);
|
|
|
|
from = froms[i];
|
|
to = tos[i];
|
|
|
|
j = lowzero - from[0];
|
|
for (k = 1; k < t; ++k)
|
|
if (lowzero - from[k] > j)
|
|
j = lowzero - from[k];
|
|
for (;; ++j)
|
|
{
|
|
if (j == 0)
|
|
continue;
|
|
ok = 1;
|
|
for (k = 0; ok && k < t; k++)
|
|
{
|
|
loc = j + from[k];
|
|
if (loc >= maxtable - 1)
|
|
{
|
|
if (loc >= MAXTABLE - 1)
|
|
fatal("maximum table size exceeded");
|
|
|
|
newmax = maxtable;
|
|
do
|
|
{
|
|
newmax += 200;
|
|
}
|
|
while (newmax <= loc);
|
|
|
|
table = TREALLOC(Value_t, table, newmax);
|
|
NO_SPACE(table);
|
|
|
|
check = TREALLOC(Value_t, check, newmax);
|
|
NO_SPACE(check);
|
|
|
|
for (l = maxtable; l < newmax; ++l)
|
|
{
|
|
table[l] = 0;
|
|
check[l] = -1;
|
|
}
|
|
maxtable = newmax;
|
|
}
|
|
|
|
if (check[loc] != -1)
|
|
ok = 0;
|
|
}
|
|
for (k = 0; ok && k < vector; k++)
|
|
{
|
|
if (pos[k] == j)
|
|
ok = 0;
|
|
}
|
|
if (ok)
|
|
{
|
|
for (k = 0; k < t; k++)
|
|
{
|
|
loc = j + from[k];
|
|
table[loc] = to[k];
|
|
check[loc] = from[k];
|
|
if (loc > high)
|
|
high = loc;
|
|
}
|
|
|
|
while (check[lowzero] != -1)
|
|
++lowzero;
|
|
|
|
return (j);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
pack_table(void)
|
|
{
|
|
int i;
|
|
Value_t place;
|
|
int state;
|
|
|
|
base = NEW2(nvectors, Value_t);
|
|
pos = NEW2(nentries, Value_t);
|
|
|
|
maxtable = 1000;
|
|
table = NEW2(maxtable, Value_t);
|
|
check = NEW2(maxtable, Value_t);
|
|
|
|
lowzero = 0;
|
|
high = 0;
|
|
|
|
for (i = 0; i < maxtable; i++)
|
|
check[i] = -1;
|
|
|
|
for (i = 0; i < nentries; i++)
|
|
{
|
|
state = matching_vector(i);
|
|
|
|
if (state < 0)
|
|
place = (Value_t)pack_vector(i);
|
|
else
|
|
place = base[state];
|
|
|
|
pos[i] = place;
|
|
base[order[i]] = place;
|
|
}
|
|
|
|
for (i = 0; i < nvectors; i++)
|
|
{
|
|
if (froms[i])
|
|
FREE(froms[i]);
|
|
if (tos[i])
|
|
FREE(tos[i]);
|
|
}
|
|
|
|
DO_FREE(froms);
|
|
DO_FREE(tos);
|
|
DO_FREE(tally);
|
|
DO_FREE(width);
|
|
DO_FREE(pos);
|
|
}
|
|
|
|
static void
|
|
output_base(void)
|
|
{
|
|
int i, j;
|
|
|
|
start_int_table("sindex", base[0]);
|
|
|
|
j = 10;
|
|
for (i = 1; i < nstates; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(base[i]);
|
|
}
|
|
|
|
end_table();
|
|
|
|
start_int_table("rindex", base[nstates]);
|
|
|
|
j = 10;
|
|
for (i = nstates + 1; i < 2 * nstates; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(base[i]);
|
|
}
|
|
|
|
end_table();
|
|
|
|
#if defined(YYBTYACC)
|
|
output_line("#if YYBTYACC");
|
|
start_int_table("cindex", base[2 * nstates]);
|
|
|
|
j = 10;
|
|
for (i = 2 * nstates + 1; i < 3 * nstates; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(base[i]);
|
|
}
|
|
|
|
end_table();
|
|
output_line("#endif");
|
|
#endif
|
|
|
|
start_int_table("gindex", base[PER_STATE * nstates]);
|
|
|
|
j = 10;
|
|
for (i = PER_STATE * nstates + 1; i < nvectors - 1; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(base[i]);
|
|
}
|
|
|
|
end_table();
|
|
FREE(base);
|
|
}
|
|
|
|
static void
|
|
output_table(void)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
if (high >= MAXYYINT)
|
|
{
|
|
fprintf(stderr, "YYTABLESIZE: %ld\n", high);
|
|
fprintf(stderr, "Table is longer than %d elements.\n", MAXYYINT);
|
|
done(1);
|
|
}
|
|
|
|
++outline;
|
|
fprintf(code_file, "#define YYTABLESIZE %ld\n", high);
|
|
start_int_table("table", table[0]);
|
|
|
|
j = 10;
|
|
for (i = 1; i <= high; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(table[i]);
|
|
}
|
|
|
|
end_table();
|
|
FREE(table);
|
|
}
|
|
|
|
static void
|
|
output_check(void)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
start_int_table("check", check[0]);
|
|
|
|
j = 10;
|
|
for (i = 1; i <= high; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int(check[i]);
|
|
}
|
|
|
|
end_table();
|
|
FREE(check);
|
|
}
|
|
|
|
#if defined(YYBTYACC)
|
|
static void
|
|
output_ctable(void)
|
|
{
|
|
int i;
|
|
int j;
|
|
int limit = (conflicts != 0) ? nconflicts : 0;
|
|
|
|
if (limit < high)
|
|
limit = (int)high;
|
|
|
|
output_line("#if YYBTYACC");
|
|
start_int_table("ctable", conflicts ? conflicts[0] : -1);
|
|
|
|
j = 10;
|
|
for (i = 1; i < limit; i++)
|
|
{
|
|
if (j >= 10)
|
|
{
|
|
output_newline();
|
|
j = 1;
|
|
}
|
|
else
|
|
++j;
|
|
|
|
output_int((conflicts != 0 && i < nconflicts) ? conflicts[i] : -1);
|
|
}
|
|
|
|
if (conflicts)
|
|
FREE(conflicts);
|
|
|
|
end_table();
|
|
output_line("#endif");
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
output_actions(void)
|
|
{
|
|
nvectors = PER_STATE * nstates + nvars;
|
|
|
|
froms = NEW2(nvectors, Value_t *);
|
|
tos = NEW2(nvectors, Value_t *);
|
|
tally = NEW2(nvectors, Value_t);
|
|
width = NEW2(nvectors, Value_t);
|
|
|
|
#if defined(YYBTYACC)
|
|
if (backtrack && (SRtotal + RRtotal) != 0)
|
|
conflicts = NEW2(4 * (SRtotal + RRtotal), Value_t);
|
|
#endif
|
|
|
|
token_actions();
|
|
FREE(lookaheads);
|
|
FREE(LA);
|
|
FREE(LAruleno);
|
|
FREE(accessing_symbol);
|
|
|
|
goto_actions();
|
|
FREE(goto_base);
|
|
FREE(from_state);
|
|
FREE(to_state);
|
|
|
|
sort_actions();
|
|
pack_table();
|
|
output_base();
|
|
output_table();
|
|
output_check();
|
|
#if defined(YYBTYACC)
|
|
output_ctable();
|
|
#endif
|
|
}
|
|
|
|
static int
|
|
is_C_identifier(char *name)
|
|
{
|
|
char *s;
|
|
int c;
|
|
|
|
s = name;
|
|
c = *s;
|
|
if (c == '"')
|
|
{
|
|
c = *++s;
|
|
if (!IS_NAME1(c))
|
|
return (0);
|
|
while ((c = *++s) != '"')
|
|
{
|
|
if (!IS_NAME2(c))
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
if (!IS_NAME1(c))
|
|
return (0);
|
|
while ((c = *++s) != 0)
|
|
{
|
|
if (!IS_NAME2(c))
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
#if USE_HEADER_GUARDS
|
|
static void
|
|
start_defines_file(void)
|
|
{
|
|
fprintf(defines_file, "#ifndef _%s_defines_h_\n", symbol_prefix);
|
|
fprintf(defines_file, "#define _%s_defines_h_\n\n", symbol_prefix);
|
|
}
|
|
|
|
static void
|
|
end_defines_file(void)
|
|
{
|
|
fprintf(defines_file, "\n#endif /* _%s_defines_h_ */\n", symbol_prefix);
|
|
}
|
|
#else
|
|
#define start_defines_file() /* nothing */
|
|
#define end_defines_file() /* nothing */
|
|
#endif
|
|
|
|
static void
|
|
output_defines(FILE * fp)
|
|
{
|
|
int c, i;
|
|
char *s;
|
|
|
|
if (fp == defines_file)
|
|
{
|
|
output_code_lines(fp, CODE_REQUIRES);
|
|
}
|
|
|
|
for (i = 2; i < ntokens; ++i)
|
|
{
|
|
s = symbol_name[i];
|
|
if (is_C_identifier(s) && (!sflag || *s != '"'))
|
|
{
|
|
fprintf(fp, "#define ");
|
|
c = *s;
|
|
if (c == '"')
|
|
{
|
|
while ((c = *++s) != '"')
|
|
{
|
|
putc(c, fp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
do
|
|
{
|
|
putc(c, fp);
|
|
}
|
|
while ((c = *++s) != 0);
|
|
}
|
|
if (fp == code_file)
|
|
++outline;
|
|
fprintf(fp, " %d\n", symbol_value[i]);
|
|
}
|
|
}
|
|
|
|
if (fp == code_file)
|
|
++outline;
|
|
if (fp != defines_file || iflag)
|
|
fprintf(fp, "#define YYERRCODE %d\n", symbol_value[1]);
|
|
|
|
if (fp == defines_file)
|
|
{
|
|
output_code_lines(fp, CODE_PROVIDES);
|
|
}
|
|
|
|
if (token_table && rflag && fp != externs_file)
|
|
{
|
|
if (fp == code_file)
|
|
++outline;
|
|
fputs("#undef yytname\n", fp);
|
|
if (fp == code_file)
|
|
++outline;
|
|
fputs("#define yytname yyname\n", fp);
|
|
}
|
|
|
|
if (fp == defines_file || (iflag && !dflag))
|
|
{
|
|
if (unionized)
|
|
{
|
|
if (union_file != 0)
|
|
{
|
|
rewind(union_file);
|
|
while ((c = getc(union_file)) != EOF)
|
|
putc_code(fp, c);
|
|
}
|
|
if (!pure_parser)
|
|
fprintf(fp, "extern YYSTYPE %slval;\n", symbol_prefix);
|
|
}
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
{
|
|
output_ltype(fp);
|
|
fprintf(fp, "extern YYLTYPE %slloc;\n", symbol_prefix);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_stored_text(FILE * fp)
|
|
{
|
|
int c;
|
|
FILE *in;
|
|
|
|
if (text_file == NULL)
|
|
open_error("text_file");
|
|
rewind(text_file);
|
|
in = text_file;
|
|
if ((c = getc(in)) == EOF)
|
|
return;
|
|
putc_code(fp, c);
|
|
while ((c = getc(in)) != EOF)
|
|
{
|
|
putc_code(fp, c);
|
|
}
|
|
write_code_lineno(fp);
|
|
}
|
|
|
|
static int
|
|
output_yydebug(FILE * fp)
|
|
{
|
|
fprintf(fp, "#ifndef YYDEBUG\n");
|
|
fprintf(fp, "#define YYDEBUG %d\n", tflag);
|
|
fprintf(fp, "#endif\n");
|
|
return 3;
|
|
}
|
|
|
|
static void
|
|
output_debug(void)
|
|
{
|
|
int i, j, k, max, maxtok;
|
|
const char **symnam;
|
|
const char *s;
|
|
|
|
++outline;
|
|
fprintf(code_file, "#define YYFINAL %d\n", final_state);
|
|
|
|
outline += output_yydebug(code_file);
|
|
|
|
if (rflag)
|
|
{
|
|
output_yydebug(output_file);
|
|
}
|
|
|
|
maxtok = 0;
|
|
for (i = 0; i < ntokens; ++i)
|
|
if (symbol_value[i] > maxtok)
|
|
maxtok = symbol_value[i];
|
|
|
|
/* symbol_value[$accept] = -1 */
|
|
/* symbol_value[<goal>] = 0 */
|
|
/* remaining non-terminals start at 1 */
|
|
max = maxtok;
|
|
for (i = ntokens; i < nsyms; ++i)
|
|
if (((maxtok + 1) + (symbol_value[i] + 1)) > max)
|
|
max = (maxtok + 1) + (symbol_value[i] + 1);
|
|
|
|
++outline;
|
|
fprintf(code_file, "#define YYMAXTOKEN %d\n", maxtok);
|
|
|
|
++outline;
|
|
fprintf(code_file, "#define YYUNDFTOKEN %d\n", max + 1);
|
|
|
|
++outline;
|
|
fprintf(code_file, "#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? "
|
|
"YYUNDFTOKEN : (a))\n");
|
|
|
|
symnam = TMALLOC(const char *, max + 2);
|
|
NO_SPACE(symnam);
|
|
|
|
/* Note that it is not necessary to initialize the element */
|
|
/* symnam[max]. */
|
|
#if defined(YYBTYACC)
|
|
for (i = 0; i < max; ++i)
|
|
symnam[i] = 0;
|
|
for (i = nsyms - 1; i >= 0; --i)
|
|
symnam[symbol_pval[i]] = symbol_name[i];
|
|
symnam[max + 1] = "illegal-symbol";
|
|
#else
|
|
for (i = 0; i <= max; ++i)
|
|
symnam[i] = 0;
|
|
for (i = ntokens - 1; i >= 2; --i)
|
|
symnam[symbol_value[i]] = symbol_name[i];
|
|
symnam[0] = "end-of-file";
|
|
symnam[max + 1] = "illegal-symbol";
|
|
#endif
|
|
|
|
/*
|
|
* bison's yytname[] array is roughly the same as byacc's yyname[] array.
|
|
* The difference is that byacc does not predefine "$undefined".
|
|
*
|
|
* If the grammar declares "%token-table", define symbol "yytname" so
|
|
* an application such as ntpd can build.
|
|
*/
|
|
if (token_table)
|
|
{
|
|
if (!rflag)
|
|
{
|
|
output_line("#undef yytname");
|
|
output_line("#define yytname yyname");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
output_line("#if YYDEBUG");
|
|
}
|
|
|
|
start_str_table("name");
|
|
j = 80;
|
|
for (i = 0; i <= max + 1; ++i)
|
|
{
|
|
if ((s = symnam[i]) != 0)
|
|
{
|
|
if (s[0] == '"')
|
|
{
|
|
k = 7;
|
|
while (*++s != '"')
|
|
{
|
|
++k;
|
|
if (*s == '\\')
|
|
{
|
|
k += 2;
|
|
if (*++s == '\\')
|
|
++k;
|
|
}
|
|
}
|
|
j += k;
|
|
if (j > 80)
|
|
{
|
|
output_newline();
|
|
j = k;
|
|
}
|
|
fprintf(output_file, "\"\\\"");
|
|
s = symnam[i];
|
|
while (*++s != '"')
|
|
{
|
|
if (*s == '\\')
|
|
{
|
|
fprintf(output_file, "\\\\");
|
|
if (*++s == '\\')
|
|
fprintf(output_file, "\\\\");
|
|
else
|
|
putc(*s, output_file);
|
|
}
|
|
else
|
|
putc(*s, output_file);
|
|
}
|
|
fprintf(output_file, "\\\"\",");
|
|
}
|
|
else if (s[0] == '\'')
|
|
{
|
|
if (s[1] == '"')
|
|
{
|
|
j += 7;
|
|
if (j > 80)
|
|
{
|
|
output_newline();
|
|
j = 7;
|
|
}
|
|
fprintf(output_file, "\"'\\\"'\",");
|
|
}
|
|
else
|
|
{
|
|
k = 5;
|
|
while (*++s != '\'')
|
|
{
|
|
++k;
|
|
if (*s == '\\')
|
|
{
|
|
k += 2;
|
|
if (*++s == '\\')
|
|
++k;
|
|
}
|
|
}
|
|
j += k;
|
|
if (j > 80)
|
|
{
|
|
output_newline();
|
|
j = k;
|
|
}
|
|
fprintf(output_file, "\"'");
|
|
s = symnam[i];
|
|
while (*++s != '\'')
|
|
{
|
|
if (*s == '\\')
|
|
{
|
|
fprintf(output_file, "\\\\");
|
|
if (*++s == '\\')
|
|
fprintf(output_file, "\\\\");
|
|
else
|
|
putc(*s, output_file);
|
|
}
|
|
else
|
|
putc(*s, output_file);
|
|
}
|
|
fprintf(output_file, "'\",");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
k = (int)strlen(s) + 3;
|
|
j += k;
|
|
if (j > 80)
|
|
{
|
|
output_newline();
|
|
j = k;
|
|
}
|
|
putc('"', output_file);
|
|
do
|
|
{
|
|
putc(*s, output_file);
|
|
}
|
|
while (*++s);
|
|
fprintf(output_file, "\",");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
j += 2;
|
|
if (j > 80)
|
|
{
|
|
output_newline();
|
|
j = 2;
|
|
}
|
|
fprintf(output_file, "0,");
|
|
}
|
|
}
|
|
end_table();
|
|
FREE(symnam);
|
|
|
|
if (token_table)
|
|
output_line("#if YYDEBUG");
|
|
start_str_table("rule");
|
|
for (i = 2; i < nrules; ++i)
|
|
{
|
|
fprintf(output_file, "\"%s :", symbol_name[rlhs[i]]);
|
|
for (j = rrhs[i]; ritem[j] > 0; ++j)
|
|
{
|
|
s = symbol_name[ritem[j]];
|
|
if (s[0] == '"')
|
|
{
|
|
fprintf(output_file, " \\\"");
|
|
while (*++s != '"')
|
|
{
|
|
if (*s == '\\')
|
|
{
|
|
if (s[1] == '\\')
|
|
fprintf(output_file, "\\\\\\\\");
|
|
else
|
|
fprintf(output_file, "\\\\%c", s[1]);
|
|
++s;
|
|
}
|
|
else
|
|
putc(*s, output_file);
|
|
}
|
|
fprintf(output_file, "\\\"");
|
|
}
|
|
else if (s[0] == '\'')
|
|
{
|
|
if (s[1] == '"')
|
|
fprintf(output_file, " '\\\"'");
|
|
else if (s[1] == '\\')
|
|
{
|
|
if (s[2] == '\\')
|
|
fprintf(output_file, " '\\\\\\\\");
|
|
else
|
|
fprintf(output_file, " '\\\\%c", s[2]);
|
|
s += 2;
|
|
while (*++s != '\'')
|
|
putc(*s, output_file);
|
|
putc('\'', output_file);
|
|
}
|
|
else
|
|
fprintf(output_file, " '%c'", s[1]);
|
|
}
|
|
else
|
|
fprintf(output_file, " %s", s);
|
|
}
|
|
fprintf(output_file, "\",");
|
|
output_newline();
|
|
}
|
|
|
|
end_table();
|
|
output_line("#endif");
|
|
}
|
|
|
|
#if defined(YYBTYACC)
|
|
static void
|
|
output_backtracking_parser(FILE * fp)
|
|
{
|
|
putl_code(fp, "#undef YYBTYACC\n");
|
|
#if defined(YYBTYACC)
|
|
if (backtrack)
|
|
{
|
|
putl_code(fp, "#define YYBTYACC 1\n");
|
|
putl_code(fp,
|
|
"#define YYDEBUGSTR (yytrial ? YYPREFIX \"debug(trial)\" : YYPREFIX \"debug\")\n");
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
putl_code(fp, "#define YYBTYACC 0\n");
|
|
putl_code(fp, "#define YYDEBUGSTR YYPREFIX \"debug\"\n");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
output_pure_parser(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
|
|
if (fp == code_file)
|
|
++outline;
|
|
fprintf(fp, "#define YYPURE %d\n", pure_parser);
|
|
putc_code(fp, '\n');
|
|
}
|
|
|
|
#if defined(YY_NO_LEAKS)
|
|
static void
|
|
output_no_leaks(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
|
|
if (fp == code_file)
|
|
++outline;
|
|
fputs("#define YY_NO_LEAKS 1\n", fp);
|
|
putc_code(fp, '\n');
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
output_trailing_text(void)
|
|
{
|
|
int c, last;
|
|
FILE *in;
|
|
|
|
if (line == 0)
|
|
return;
|
|
|
|
in = input_file;
|
|
c = *cptr;
|
|
if (c == '\n')
|
|
{
|
|
++lineno;
|
|
if ((c = getc(in)) == EOF)
|
|
return;
|
|
write_input_lineno();
|
|
putc_code(code_file, c);
|
|
last = c;
|
|
}
|
|
else
|
|
{
|
|
write_input_lineno();
|
|
do
|
|
{
|
|
putc_code(code_file, c);
|
|
}
|
|
while ((c = *++cptr) != '\n');
|
|
putc_code(code_file, c);
|
|
last = '\n';
|
|
}
|
|
|
|
while ((c = getc(in)) != EOF)
|
|
{
|
|
putc_code(code_file, c);
|
|
last = c;
|
|
}
|
|
|
|
if (last != '\n')
|
|
{
|
|
putc_code(code_file, '\n');
|
|
}
|
|
write_code_lineno(code_file);
|
|
}
|
|
|
|
static void
|
|
output_semantic_actions(void)
|
|
{
|
|
int c, last;
|
|
|
|
rewind(action_file);
|
|
if ((c = getc(action_file)) == EOF)
|
|
return;
|
|
|
|
last = c;
|
|
putc_code(code_file, c);
|
|
while ((c = getc(action_file)) != EOF)
|
|
{
|
|
putc_code(code_file, c);
|
|
last = c;
|
|
}
|
|
|
|
if (last != '\n')
|
|
{
|
|
putc_code(code_file, '\n');
|
|
}
|
|
|
|
write_code_lineno(code_file);
|
|
}
|
|
|
|
static void
|
|
output_parse_decl(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
putl_code(fp, "/* compatibility with bison */\n");
|
|
putl_code(fp, "#ifdef YYPARSE_PARAM\n");
|
|
putl_code(fp, "/* compatibility with FreeBSD */\n");
|
|
putl_code(fp, "# ifdef YYPARSE_PARAM_TYPE\n");
|
|
putl_code(fp,
|
|
"# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)\n");
|
|
putl_code(fp, "# else\n");
|
|
putl_code(fp, "# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)\n");
|
|
putl_code(fp, "# endif\n");
|
|
putl_code(fp, "#else\n");
|
|
|
|
puts_code(fp, "# define YYPARSE_DECL() yyparse(");
|
|
puts_param_types(fp, parse_param, 0);
|
|
putl_code(fp, ")\n");
|
|
|
|
putl_code(fp, "#endif\n");
|
|
}
|
|
|
|
static void
|
|
output_lex_decl(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
putl_code(fp, "/* Parameters sent to lex. */\n");
|
|
putl_code(fp, "#ifdef YYLEX_PARAM\n");
|
|
if (pure_parser)
|
|
{
|
|
putl_code(fp, "# ifdef YYLEX_PARAM_TYPE\n");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval,"
|
|
" YYLTYPE *yylloc,"
|
|
" YYLEX_PARAM_TYPE YYLEX_PARAM)\n");
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval,"
|
|
" YYLEX_PARAM_TYPE YYLEX_PARAM)\n");
|
|
}
|
|
putl_code(fp, "# else\n");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval,"
|
|
" YYLTYPE *yylloc,"
|
|
" void * YYLEX_PARAM)\n");
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval,"
|
|
" void * YYLEX_PARAM)\n");
|
|
}
|
|
putl_code(fp, "# endif\n");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
putl_code(fp,
|
|
"# define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)\n");
|
|
else
|
|
#endif
|
|
putl_code(fp, "# define YYLEX yylex(&yylval, YYLEX_PARAM)\n");
|
|
}
|
|
else
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(void *YYLEX_PARAM)\n");
|
|
putl_code(fp, "# define YYLEX yylex(YYLEX_PARAM)\n");
|
|
}
|
|
putl_code(fp, "#else\n");
|
|
if (pure_parser && lex_param)
|
|
{
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp,
|
|
"# define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLTYPE *yylloc, ");
|
|
else
|
|
#endif
|
|
puts_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval, ");
|
|
puts_param_types(fp, lex_param, 0);
|
|
putl_code(fp, ")\n");
|
|
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, "# define YYLEX yylex(&yylval, &yylloc, ");
|
|
else
|
|
#endif
|
|
puts_code(fp, "# define YYLEX yylex(&yylval, ");
|
|
puts_param_names(fp, lex_param, 0);
|
|
putl_code(fp, ")\n");
|
|
}
|
|
else if (pure_parser)
|
|
{
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
{
|
|
putl_code(fp,
|
|
"# define YYLEX_DECL() yylex(YYSTYPE *yylval, YYLTYPE *yylloc)\n");
|
|
putl_code(fp, "# define YYLEX yylex(&yylval, &yylloc)\n");
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(YYSTYPE *yylval)\n");
|
|
putl_code(fp, "# define YYLEX yylex(&yylval)\n");
|
|
}
|
|
}
|
|
else if (lex_param)
|
|
{
|
|
puts_code(fp, "# define YYLEX_DECL() yylex(");
|
|
puts_param_types(fp, lex_param, 0);
|
|
putl_code(fp, ")\n");
|
|
|
|
puts_code(fp, "# define YYLEX yylex(");
|
|
puts_param_names(fp, lex_param, 0);
|
|
putl_code(fp, ")\n");
|
|
}
|
|
else
|
|
{
|
|
putl_code(fp, "# define YYLEX_DECL() yylex(void)\n");
|
|
putl_code(fp, "# define YYLEX yylex()\n");
|
|
}
|
|
putl_code(fp, "#endif\n");
|
|
|
|
/*
|
|
* Provide a prototype for yylex for the simplest case. This is done for
|
|
* better compatibility with older yacc's, but can be a problem if someone
|
|
* uses "static int yylex(void);"
|
|
*/
|
|
if (!pure_parser
|
|
#if defined(YYBTYACC)
|
|
&& !backtrack
|
|
#endif
|
|
&& !strcmp(symbol_prefix, "yy"))
|
|
{
|
|
putl_code(fp, "\n");
|
|
putl_code(fp, "#if !(defined(yylex) || defined(YYSTATE))\n");
|
|
putl_code(fp, "int YYLEX_DECL();\n");
|
|
putl_code(fp, "#endif\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_error_decl(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
putl_code(fp, "/* Parameters sent to yyerror. */\n");
|
|
putl_code(fp, "#ifndef YYERROR_DECL\n");
|
|
puts_code(fp, "#define YYERROR_DECL() yyerror(");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, "YYLTYPE *loc, ");
|
|
#endif
|
|
puts_param_types(fp, parse_param, 1);
|
|
putl_code(fp, "const char *s)\n");
|
|
putl_code(fp, "#endif\n");
|
|
|
|
putl_code(fp, "#ifndef YYERROR_CALL\n");
|
|
|
|
puts_code(fp, "#define YYERROR_CALL(msg) yyerror(");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, "&yylloc, ");
|
|
#endif
|
|
puts_param_names(fp, parse_param, 1);
|
|
putl_code(fp, "msg)\n");
|
|
|
|
putl_code(fp, "#endif\n");
|
|
}
|
|
|
|
#if defined(YYBTYACC)
|
|
static void
|
|
output_yydestruct_decl(FILE * fp)
|
|
{
|
|
putc_code(fp, '\n');
|
|
putl_code(fp, "#ifndef YYDESTRUCT_DECL\n");
|
|
|
|
puts_code(fp,
|
|
"#define YYDESTRUCT_DECL() "
|
|
"yydestruct(const char *msg, int psymb, YYSTYPE *val");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, ", YYLTYPE *loc");
|
|
#endif
|
|
if (parse_param)
|
|
{
|
|
puts_code(fp, ", ");
|
|
puts_param_types(fp, parse_param, 0);
|
|
}
|
|
putl_code(fp, ")\n");
|
|
|
|
putl_code(fp, "#endif\n");
|
|
|
|
putl_code(fp, "#ifndef YYDESTRUCT_CALL\n");
|
|
|
|
puts_code(fp, "#define YYDESTRUCT_CALL(msg, psymb, val");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, ", loc");
|
|
#endif
|
|
puts_code(fp, ") yydestruct(msg, psymb, val");
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
puts_code(fp, ", loc");
|
|
#endif
|
|
if (parse_param)
|
|
{
|
|
puts_code(fp, ", ");
|
|
puts_param_names(fp, parse_param, 0);
|
|
}
|
|
putl_code(fp, ")\n");
|
|
|
|
putl_code(fp, "#endif\n");
|
|
}
|
|
|
|
static void
|
|
output_initial_action(void)
|
|
{
|
|
if (initial_action)
|
|
fprintf(code_file, "%s\n", initial_action);
|
|
}
|
|
|
|
static void
|
|
output_yydestruct_impl(void)
|
|
{
|
|
int i;
|
|
char *s, *destructor_code;
|
|
|
|
putc_code(code_file, '\n');
|
|
putl_code(code_file, "/* Release memory associated with symbol. */\n");
|
|
putl_code(code_file, "#if ! defined YYDESTRUCT_IS_DECLARED\n");
|
|
putl_code(code_file, "static void\n");
|
|
putl_code(code_file, "YYDESTRUCT_DECL()\n");
|
|
putl_code(code_file, "{\n");
|
|
putl_code(code_file, " switch (psymb)\n");
|
|
putl_code(code_file, " {\n");
|
|
for (i = 2; i < nsyms; ++i)
|
|
{
|
|
if ((destructor_code = symbol_destructor[i]) != NULL)
|
|
{
|
|
++outline;
|
|
fprintf(code_file, "\tcase %d:\n", symbol_pval[i]);
|
|
/* comprehend the number of lines in the destructor code */
|
|
for (s = destructor_code; (s = strchr(s, '\n')) != NULL; s++)
|
|
++outline;
|
|
puts_code(code_file, destructor_code);
|
|
putc_code(code_file, '\n');
|
|
putl_code(code_file, "\tbreak;\n");
|
|
write_code_lineno(code_file);
|
|
FREE(destructor_code);
|
|
}
|
|
}
|
|
putl_code(code_file, " }\n");
|
|
putl_code(code_file, "}\n");
|
|
putl_code(code_file, "#define YYDESTRUCT_IS_DECLARED 1\n");
|
|
putl_code(code_file, "#endif\n");
|
|
|
|
DO_FREE(symbol_destructor);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
free_itemsets(void)
|
|
{
|
|
core *cp, *next;
|
|
|
|
FREE(state_table);
|
|
for (cp = first_state; cp; cp = next)
|
|
{
|
|
next = cp->next;
|
|
FREE(cp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
free_shifts(void)
|
|
{
|
|
shifts *sp, *next;
|
|
|
|
FREE(shift_table);
|
|
for (sp = first_shift; sp; sp = next)
|
|
{
|
|
next = sp->next;
|
|
FREE(sp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
free_reductions(void)
|
|
{
|
|
reductions *rp, *next;
|
|
|
|
FREE(reduction_table);
|
|
for (rp = first_reduction; rp; rp = next)
|
|
{
|
|
next = rp->next;
|
|
FREE(rp);
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_externs(FILE * fp, const char *const section[])
|
|
{
|
|
int i;
|
|
const char *s;
|
|
|
|
for (i = 0; (s = section[i]) != 0; ++i)
|
|
{
|
|
/* prefix non-blank lines that don't start with
|
|
C pre-processor directives with 'extern ' */
|
|
if (*s && (*s != '#'))
|
|
fputs("extern\t", fp);
|
|
if (fp == code_file)
|
|
++outline;
|
|
fprintf(fp, "%s\n", s);
|
|
}
|
|
}
|
|
|
|
void
|
|
output(void)
|
|
{
|
|
FILE *fp;
|
|
|
|
free_itemsets();
|
|
free_shifts();
|
|
free_reductions();
|
|
|
|
output_code_lines(code_file, CODE_TOP);
|
|
#if defined(YYBTYACC)
|
|
output_backtracking_parser(output_file);
|
|
if (rflag)
|
|
output_backtracking_parser(code_file);
|
|
#endif
|
|
|
|
if (iflag)
|
|
{
|
|
write_code_lineno(code_file);
|
|
++outline;
|
|
fprintf(code_file, "#include \"%s\"\n", externs_file_name);
|
|
fp = externs_file;
|
|
}
|
|
else
|
|
fp = code_file;
|
|
|
|
output_prefix(fp);
|
|
output_pure_parser(fp);
|
|
#if defined(YY_NO_LEAKS)
|
|
output_no_leaks(fp);
|
|
#endif
|
|
output_stored_text(fp);
|
|
output_stype(fp);
|
|
#if defined(YYBTYACC)
|
|
if (locations)
|
|
output_ltype(fp);
|
|
#endif
|
|
output_parse_decl(fp);
|
|
output_lex_decl(fp);
|
|
output_error_decl(fp);
|
|
#if defined(YYBTYACC)
|
|
if (destructor)
|
|
output_yydestruct_decl(fp);
|
|
#endif
|
|
if (iflag || !rflag)
|
|
{
|
|
write_section(fp, xdecls);
|
|
}
|
|
|
|
if (iflag)
|
|
{
|
|
fprintf(externs_file, "\n");
|
|
output_yydebug(externs_file);
|
|
output_externs(externs_file, global_vars);
|
|
if (!pure_parser)
|
|
output_externs(externs_file, impure_vars);
|
|
if (dflag)
|
|
{
|
|
++outline;
|
|
fprintf(code_file, "#include \"%s\"\n", defines_file_name);
|
|
}
|
|
else
|
|
output_defines(externs_file);
|
|
}
|
|
else
|
|
{
|
|
putc_code(code_file, '\n');
|
|
output_defines(code_file);
|
|
}
|
|
|
|
if (dflag)
|
|
{
|
|
start_defines_file();
|
|
output_defines(defines_file);
|
|
end_defines_file();
|
|
}
|
|
|
|
output_rule_data();
|
|
output_yydefred();
|
|
#if defined(YYBTYACC)
|
|
output_accessing_symbols();
|
|
#endif
|
|
output_actions();
|
|
free_parser();
|
|
output_debug();
|
|
|
|
if (rflag)
|
|
{
|
|
write_section(code_file, xdecls);
|
|
output_YYINT_typedef(code_file);
|
|
write_section(code_file, tables);
|
|
}
|
|
|
|
write_section(code_file, global_vars);
|
|
if (!pure_parser)
|
|
{
|
|
write_section(code_file, impure_vars);
|
|
}
|
|
output_code_lines(code_file, CODE_REQUIRES);
|
|
|
|
write_section(code_file, hdr_defs);
|
|
if (!pure_parser)
|
|
{
|
|
write_section(code_file, hdr_vars);
|
|
}
|
|
|
|
output_code_lines(code_file, CODE_PROVIDES);
|
|
output_code_lines(code_file, CODE_HEADER);
|
|
|
|
output_trailing_text();
|
|
#if defined(YYBTYACC)
|
|
if (destructor)
|
|
output_yydestruct_impl();
|
|
#endif
|
|
write_section(code_file, body_1);
|
|
if (pure_parser)
|
|
{
|
|
write_section(code_file, body_vars);
|
|
}
|
|
write_section(code_file, body_2);
|
|
if (pure_parser)
|
|
{
|
|
write_section(code_file, init_vars);
|
|
}
|
|
#if defined(YYBTYACC)
|
|
if (initial_action)
|
|
output_initial_action();
|
|
#endif
|
|
write_section(code_file, body_3);
|
|
output_semantic_actions();
|
|
write_section(code_file, trailer);
|
|
}
|
|
|
|
#ifdef NO_LEAKS
|
|
void
|
|
output_leaks(void)
|
|
{
|
|
DO_FREE(tally);
|
|
DO_FREE(width);
|
|
DO_FREE(order);
|
|
}
|
|
#endif
|