Make the generated parse tables const, so that the data are pushed
to text segment. The difference is quite significant - for example, the tables are about 20K for gawk, 40K for nawk, couple of KB for /bin/sh.
This commit is contained in:
jdolecek
parent
e82124d4fa
commit
0e4f8029c1
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@ -1,4 +1,4 @@
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/* $NetBSD: output.c,v 1.8 2000/10/11 14:46:24 is Exp $ */
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/* $NetBSD: output.c,v 1.9 2001/01/23 22:31:40 jdolecek Exp $ */
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/*
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* Copyright (c) 1989 The Regents of the University of California.
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@ -41,7 +41,7 @@
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#if 0
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static char sccsid[] = "@(#)output.c 5.7 (Berkeley) 5/24/93";
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#else
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__RCSID("$NetBSD: output.c,v 1.8 2000/10/11 14:46:24 is Exp $");
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__RCSID("$NetBSD: output.c,v 1.9 2001/01/23 22:31:40 jdolecek Exp $");
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#endif
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#endif /* not lint */
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@ -186,7 +186,7 @@ output_rule_data()
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int j;
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fprintf(output_file, "short %slhs[] = {%42d,", symbol_prefix,
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fprintf(output_file, "const short %slhs[] = {%42d,", symbol_prefix,
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symbol_value[start_symbol]);
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j = 10;
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@ -206,7 +206,7 @@ output_rule_data()
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if (!rflag) outline += 2;
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fprintf(output_file, "\n};\n");
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fprintf(output_file, "short %slen[] = {%42d,", symbol_prefix, 2);
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fprintf(output_file, "const short %slen[] = {%42d,", symbol_prefix, 2);
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j = 10;
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for (i = 3; i < nrules; i++)
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@ -231,7 +231,7 @@ output_yydefred()
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{
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int i, j;
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fprintf(output_file, "short %sdefred[] = {%39d,", symbol_prefix,
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fprintf(output_file, "const short %sdefred[] = {%39d,", symbol_prefix,
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(defred[0] ? defred[0] - 2 : 0));
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j = 10;
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@ -374,7 +374,7 @@ goto_actions()
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state_count = NEW2(nstates, short);
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k = default_goto(start_symbol + 1);
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fprintf(output_file, "short %sdgoto[] = {%40d,", symbol_prefix, k);
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fprintf(output_file, "const short %sdgoto[] = {%40d,", symbol_prefix, k);
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save_column(start_symbol + 1, k);
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j = 10;
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@ -700,7 +700,8 @@ output_base()
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{
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int i, j;
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fprintf(output_file, "short %ssindex[] = {%39d,", symbol_prefix, base[0]);
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fprintf(output_file, "const short %ssindex[] = {%39d,", symbol_prefix,
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base[0]);
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j = 10;
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for (i = 1; i < nstates; i++)
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@ -718,7 +719,7 @@ output_base()
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}
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if (!rflag) outline += 2;
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fprintf(output_file, "\n};\nshort %srindex[] = {%39d,", symbol_prefix,
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fprintf(output_file, "\n};\nconst short %srindex[] = {%39d,", symbol_prefix,
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base[nstates]);
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j = 10;
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@ -737,7 +738,7 @@ output_base()
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}
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if (!rflag) outline += 2;
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fprintf(output_file, "\n};\nshort %sgindex[] = {%39d,", symbol_prefix,
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fprintf(output_file, "\n};\nconst short %sgindex[] = {%39d,", symbol_prefix,
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base[2*nstates]);
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j = 10;
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@ -769,7 +770,7 @@ output_table()
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++outline;
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fprintf(code_file, "#define YYTABLESIZE %d\n", high);
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fprintf(output_file, "short %stable[] = {%40d,", symbol_prefix,
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fprintf(output_file, "const short %stable[] = {%40d,", symbol_prefix,
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table[0]);
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j = 10;
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@ -799,7 +800,7 @@ output_check()
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int i;
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int j;
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fprintf(output_file, "short %scheck[] = {%40d,", symbol_prefix,
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fprintf(output_file, "const short %scheck[] = {%40d,", symbol_prefix,
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check[0]);
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j = 10;
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@ -971,7 +972,8 @@ output_debug()
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symnam[0] = "end-of-file";
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if (!rflag) ++outline;
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fprintf(output_file, "#if YYDEBUG\nconst char *%sname[] = {", symbol_prefix);
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fprintf(output_file, "#if YYDEBUG\nconst char * const %sname[] = {",
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symbol_prefix);
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j = 80;
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for (i = 0; i <= max; ++i)
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{
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@ -1097,7 +1099,7 @@ output_debug()
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FREE(symnam);
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if (!rflag) ++outline;
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fprintf(output_file, "const char *%srule[] = {\n", symbol_prefix);
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fprintf(output_file, "const char * const %srule[] = {\n", symbol_prefix);
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for (i = 2; i < nrules; ++i)
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{
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fprintf(output_file, "\"%s :", symbol_name[rlhs[i]]);
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@ -1,4 +1,4 @@
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/* $NetBSD: skeleton.c,v 1.19 2001/01/23 15:35:01 jdolecek Exp $ */
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/* $NetBSD: skeleton.c,v 1.20 2001/01/23 22:31:40 jdolecek Exp $ */
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/*
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* Copyright (c) 1989 The Regents of the University of California.
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@ -41,7 +41,7 @@
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#if 0
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static char sccsid[] = "@(#)skeleton.c 5.8 (Berkeley) 4/29/95";
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#else
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__RCSID("$NetBSD: skeleton.c,v 1.19 2001/01/23 15:35:01 jdolecek Exp $");
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__RCSID("$NetBSD: skeleton.c,v 1.20 2001/01/23 22:31:40 jdolecek Exp $");
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#endif /* 0 */
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#endif /* not lint */
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@ -67,7 +67,7 @@ const char * const banner[] =
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"static char yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\";",
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"#else",
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"#if defined(__NetBSD__) && defined(__IDSTRING)",
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"__IDSTRING(yyrcsid, \"$NetBSD: skeleton.c,v 1.19 2001/01/23 15:35:01 jdolecek Exp $\");",
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"__IDSTRING(yyrcsid, \"$NetBSD: skeleton.c,v 1.20 2001/01/23 22:31:40 jdolecek Exp $\");",
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"#endif /* __NetBSD__ && __IDSTRING */",
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"#endif /* 0 */",
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"#endif /* lint */",
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@ -86,18 +86,18 @@ const char * const banner[] =
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const char * const tables[] =
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{
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"extern short yylhs[];",
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"extern short yylen[];",
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"extern short yydefred[];",
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"extern short yydgoto[];",
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"extern short yysindex[];",
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"extern short yyrindex[];",
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"extern short yygindex[];",
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"extern short yytable[];",
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"extern short yycheck[];",
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"extern const short yylhs[];",
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"extern const short yylen[];",
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"extern const short yydefred[];",
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"extern const short yydgoto[];",
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"extern const short yysindex[];",
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"extern const short yyrindex[];",
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"extern const short yygindex[];",
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"extern const short yytable[];",
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"extern const short yycheck[];",
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"#if YYDEBUG",
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"extern const char *yyname[];",
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"extern const char *yyrule[];",
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"extern const char * const yyname[];",
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"extern const char * const yyrule[];",
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"#endif",
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0
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};
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