X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/beb54af10082dc588132b2c0d32e050028b72c78..78ed81a334dab56aa7a876792a473d67d4359c25:/usr.bin/yacc/output.c diff --git a/usr.bin/yacc/output.c b/usr.bin/yacc/output.c index d0bc44ba6a..88c77b52f6 100644 --- a/usr.bin/yacc/output.c +++ b/usr.bin/yacc/output.c @@ -1,43 +1,3 @@ -/* - * Copyright (c) 1989 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Robert Paul Corbett. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)output.c 5.6 (Berkeley) 1/20/91"; -#endif /* not lint */ - #include "defs.h" static int nvectors; @@ -62,6 +22,7 @@ output() free_itemsets(); free_shifts(); free_reductions(); + output_prefix(); output_stored_text(); output_defines(); output_rule_data(); @@ -79,13 +40,73 @@ output() } +output_prefix() +{ + if (symbol_prefix == NULL) + symbol_prefix = "yy"; + else + { + ++outline; + fprintf(code_file, "#define yyparse %sparse\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yylex %slex\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyerror %serror\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yychar %schar\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyval %sval\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yylval %slval\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yydebug %sdebug\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yynerrs %snerrs\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyerrflag %serrflag\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyss %sss\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyssp %sssp\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyvs %svs\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyvsp %svsp\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yylhs %slhs\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yylen %slen\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yydefred %sdefred\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yydgoto %sdgoto\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yysindex %ssindex\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyrindex %srindex\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yygindex %sgindex\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yytable %stable\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yycheck %scheck\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyname %sname\n", symbol_prefix); + ++outline; + fprintf(code_file, "#define yyrule %srule\n", symbol_prefix); + } + ++outline; + fprintf(code_file, "#define YYPREFIX \"%s\"\n", symbol_prefix); +} + + output_rule_data() { register int i; register int j; - fprintf(output_file, "short yylhs[] = {%42d,", + fprintf(output_file, "short %slhs[] = {%42d,", symbol_prefix, symbol_value[start_symbol]); j = 10; @@ -105,7 +126,7 @@ output_rule_data() if (!rflag) outline += 2; fprintf(output_file, "\n};\n"); - fprintf(output_file, "short yylen[] = {%42d,", 2); + fprintf(output_file, "short %slen[] = {%42d,", symbol_prefix, 2); j = 10; for (i = 3; i < nrules; i++) @@ -130,7 +151,7 @@ output_yydefred() { register int i, j; - fprintf(output_file, "short yydefred[] = {%39d,", + fprintf(output_file, "short %sdefred[] = {%39d,", symbol_prefix, (defred[0] ? defred[0] - 2 : 0)); j = 10; @@ -272,7 +293,7 @@ goto_actions() state_count = NEW2(nstates, short); k = default_goto(start_symbol + 1); - fprintf(output_file, "short yydgoto[] = {%40d,", k); + fprintf(output_file, "short %sdgoto[] = {%40d,", symbol_prefix, k); save_column(start_symbol + 1, k); j = 10; @@ -596,7 +617,7 @@ output_base() { register int i, j; - fprintf(output_file, "short yysindex[] = {%39d,", base[0]); + fprintf(output_file, "short %ssindex[] = {%39d,", symbol_prefix, base[0]); j = 10; for (i = 1; i < nstates; i++) @@ -614,7 +635,7 @@ output_base() } if (!rflag) outline += 2; - fprintf(output_file, "\n};\nshort yyrindex[] = {%39d,", + fprintf(output_file, "\n};\nshort %srindex[] = {%39d,", symbol_prefix, base[nstates]); j = 10; @@ -633,7 +654,7 @@ output_base() } if (!rflag) outline += 2; - fprintf(output_file, "\n};\nshort yygindex[] = {%39d,", + fprintf(output_file, "\n};\nshort %sgindex[] = {%39d,", symbol_prefix, base[2*nstates]); j = 10; @@ -665,7 +686,8 @@ output_table() ++outline; fprintf(code_file, "#define YYTABLESIZE %d\n", high); - fprintf(output_file, "short yytable[] = {%40d,", table[0]); + fprintf(output_file, "short %stable[] = {%40d,", symbol_prefix, + table[0]); j = 10; for (i = 1; i <= high; i++) @@ -694,7 +716,8 @@ output_check() register int i; register int j; - fprintf(output_file, "short yycheck[] = {%40d,", check[0]); + fprintf(output_file, "short %scheck[] = {%40d,", symbol_prefix, + check[0]); j = 10; for (i = 1; i <= high; i++) @@ -796,7 +819,8 @@ output_defines() if (union_file == NULL) open_error(union_file_name); while ((c = getc(union_file)) != EOF) putc(c, defines_file); - fprintf(defines_file, " YYSTYPE;\nextern YYSTYPE yylval;\n"); + fprintf(defines_file, " YYSTYPE;\nextern YYSTYPE %slval;\n", + symbol_prefix); } } @@ -861,7 +885,7 @@ output_debug() symnam[0] = "end-of-file"; if (!rflag) ++outline; - fprintf(output_file, "#if YYDEBUG\nchar *yyname[] = {"); + fprintf(output_file, "#if YYDEBUG\nchar *%sname[] = {", symbol_prefix); j = 80; for (i = 0; i <= max; ++i) { @@ -987,7 +1011,7 @@ output_debug() FREE(symnam); if (!rflag) ++outline; - fprintf(output_file, "char *yyrule[] = {\n"); + fprintf(output_file, "char *%srule[] = {\n", symbol_prefix); for (i = 2; i < nrules; ++i) { fprintf(output_file, "\"%s :", symbol_name[rlhs[i]]);