* Moved lcc and q3asm into code/tools

git-svn-id: svn://svn.icculus.org/quake3/trunk@134 edf5b092-35ff-0310-97b2-ce42778d08ea

5 files changed, 0 insertions, 1799 deletions

diff --git a/lcc/lburg/gram.c b/lcc/lburg/gram.c
deleted file mode 100644
index a1cc890..0000000
--- a/lcc/lburg/gram.c
+++ /dev/null
@@ -1,682 +0,0 @@
-#if defined(__STDC__) || defined(__cplusplus)
-#define YYCONST const
-#define YYPARAMS(x) x
-#define YYDEFUN(name, arglist, args) name(args)
-#define YYAND ,
-#define YYPTR void *
-#else
-#define YYCONST
-#define YYPARAMS(x) ()
-#define YYDEFUN(name, arglist, args) name arglist args;
-#define YYAND ;
-#define YYPTR char *
-#endif
-#ifndef lint
-YYCONST static char yysccsid[] = "@(#)yaccpar	1.8 (Berkeley +Cygnus.28) 01/20/91";
-#endif
-#define YYBYACC 1
-#ifndef YYDONT_INCLUDE_STDIO
-#include <stdio.h>
-#endif
-//#ifdef __cplusplus TA <tim@ngus.net> stdlib.h applies to C too
-#include <stdlib.h> /* for malloc/realloc/free */
-//#endif
-#line 2 "lburg/gram.y"
-#include <stdio.h>
-#include "lburg.h"
-/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
-static int yylineno = 0;
-#line 8 "lburg/gram.y"
-typedef union {
-	int n;
-	char *string;
-	Tree tree;
-} YYSTYPE;
-#line 37 "y.tab.c"
-#define TERMINAL 257
-#define START 258
-#define PPERCENT 259
-#define ID 260
-#define TEMPLATE 261
-#define CODE 262
-#define INT 263
-#define YYERRCODE 256
-static YYCONST short yylhs[] = {                                        -1,
-    0,    0,    4,    4,    6,    6,    6,    6,    7,    7,
-    5,    5,    5,    5,    1,    3,    3,    3,    2,
-};
-static YYCONST short yylen[] = {                                         2,
-    3,    1,    0,    2,    3,    3,    1,    2,    0,    4,
-    0,    7,    2,    3,    1,    1,    4,    6,    1,
-};
-static YYCONST short yydefred[] = {                                      3,
-    0,    0,    0,    9,    0,   11,    7,    4,    8,    0,
-   15,    0,    0,    0,    5,    6,    0,   13,    0,    0,
-   14,    0,   10,    0,    0,    0,    0,    0,   19,    0,
-   17,    0,   12,    0,   18,
-};
-static YYCONST short yydgoto[] = {                                       1,
-   12,   30,   25,    2,   13,    8,   10,
-};
-static YYCONST short yysindex[] = {                                      0,
-    0,   -4,   -2,    0, -250,    0,    0,    0,    0,   -9,
-    0,    1,  -10,  -49,    0,    0,    3,    0,  -44, -248,
-    0, -244,    0,  -22, -242, -244, -245,  -37,    0,   10,
-    0, -244,    0,  -20,    0,
-};
-static YYCONST short yyrindex[] = {                                      0,
-    0,   22,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,   23,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,  -39,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,
-};
-static YYCONST short yygindex[] = {                                      0,
-   11,    0,  -23,    0,    0,    0,    0,
-};
-#define YYTABLESIZE 255
-static YYCONST short yytable[] = {                                      18,
-   15,   16,   28,   31,   16,    7,   32,    9,   34,   11,
-   16,   20,   21,   22,   23,   24,   29,   26,   27,   33,
-   35,    2,    1,   19,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,   16,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
-    0,    0,    0,    0,    0,   17,    0,    0,    0,   11,
-   14,    3,    4,    5,    6,
-};
-static YYCONST short yycheck[] = {                                      10,
-   10,   41,   26,   41,   44,   10,   44,   10,   32,  260,
-   10,   61,   10,   58,  263,  260,  262,   40,  261,   10,
-   41,    0,    0,   13,   -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,   -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,  261,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
-   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
-   -1,   -1,   -1,   -1,   -1,  256,   -1,   -1,   -1,  260,
-  260,  256,  257,  258,  259,
-};
-#define YYFINAL 1
-#ifndef YYDEBUG
-#define YYDEBUG 0
-#endif
-#define YYMAXTOKEN 263
-#if YYDEBUG
-static YYCONST char *YYCONST yyname[] = {
-"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,"'('","')'",0,0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,
-"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-"TERMINAL","START","PPERCENT","ID","TEMPLATE","CODE","INT",
-};
-static YYCONST char *YYCONST yyrule[] = {
-"$accept : spec",
-"spec : decls PPERCENT rules",
-"spec : decls",
-"decls :",
-"decls : decls decl",
-"decl : TERMINAL blist '\\n'",
-"decl : START nonterm '\\n'",
-"decl : '\\n'",
-"decl : error '\\n'",
-"blist :",
-"blist : blist ID '=' INT",
-"rules :",
-"rules : rules nonterm ':' tree TEMPLATE cost '\\n'",
-"rules : rules '\\n'",
-"rules : rules error '\\n'",
-"nonterm : ID",
-"tree : ID",
-"tree : ID '(' tree ')'",
-"tree : ID '(' tree ',' tree ')'",
-"cost : CODE",
-};
-#endif
-#define YYLEX yylex()
-#define YYEMPTY -1
-#define yyclearin (yychar=(YYEMPTY))
-#define yyerrok (yyerrflag=0)
-#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
-#endif
-#ifdef YYSTACKSIZE
-#ifndef YYMAXDEPTH
-#define YYMAXDEPTH YYSTACKSIZE
-#endif
-#else
-#ifdef YYMAXDEPTH
-#define YYSTACKSIZE YYMAXDEPTH
-#else
-#define YYSTACKSIZE 500
-#define YYMAXDEPTH 500
-#endif
-#endif
-#ifndef YYMAXSTACKSIZE
-#define YYMAXSTACKSIZE 10000
-#endif
-int yydebug;
-int yynerrs;
-int yyerrflag;
-int yychar;
-YYSTYPE yyval;
-YYSTYPE yylval;
-static short *yyss;
-static YYSTYPE *yyvs;
-static int yystacksize;
-#define yyfree(x) free(x)
-extern int yylex();
-
-static YYPTR
-YYDEFUN (yymalloc, (bytes), unsigned bytes)
-{
-    YYPTR ptr = (YYPTR) malloc (bytes);
-    if (ptr != 0) return (ptr);
-    yyerror ("yyparse: memory exhausted");
-    return (0);
-}
-
-static YYPTR
-YYDEFUN (yyrealloc, (old, bytes), YYPTR old YYAND unsigned bytes)
-{
-    YYPTR ptr = (YYPTR) realloc (old, bytes);
-    if (ptr != 0) return (ptr);
-    yyerror ("yyparse: memory exhausted");
-    return (0);
-}
-
-static int
-#ifdef __GNUC__
-inline
-#endif
-yygrow ()
-{
-#if YYDEBUG
-    int old_stacksize = yystacksize;
-#endif
-    short *new_yyss;
-    YYSTYPE *new_yyvs;
-
-    if (yystacksize == YYMAXSTACKSIZE)
-        return (1);
-    yystacksize += (yystacksize + 1 ) / 2;
-    if (yystacksize > YYMAXSTACKSIZE)
-        yystacksize = YYMAXSTACKSIZE;
-#if YYDEBUG
-    if (yydebug)
-        printf("yydebug: growing stack size from %d to %d\n",
-               old_stacksize, yystacksize);
-#endif
-    new_yyss = (short *) yyrealloc ((char *)yyss, yystacksize * sizeof (short));
-    if (new_yyss == 0)
-        return (1);
-    new_yyvs = (YYSTYPE *) yyrealloc ((char *)yyvs, yystacksize * sizeof (YYSTYPE));
-    if (new_yyvs == 0)
-    {
-        yyfree (new_yyss);
-        return (1);
-    }
-    yyss = new_yyss;
-    yyvs = new_yyvs;
-    return (0);
-}
-#line 60 "lburg/gram.y"
-#include <assert.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <string.h>
-#include <limits.h>
-
-int errcnt = 0;
-FILE *infp = NULL;
-FILE *outfp = NULL;
-static char buf[BUFSIZ], *bp = buf;
-static int ppercent = 0;
-static int code = 0;
-
-static int get(void) {
-	if (*bp == 0) {
-		bp = buf;
-		*bp = 0;
-		if (fgets(buf, sizeof buf, infp) == NULL)
-			return EOF;
-		yylineno++;
-		while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
-			for (;;) {
-				if (fgets(buf, sizeof buf, infp) == NULL) {
-					yywarn("unterminated %{...%}\n");
-					return EOF;
-				}
-				yylineno++;
-				if (strcmp(buf, "%}\n") == 0)
-					break;
-				fputs(buf, outfp);
-			}
-			if (fgets(buf, sizeof buf, infp) == NULL)
-				return EOF;
-			yylineno++;
-		}
-	}
-	return *bp++;
-}
-
-void yyerror(char *fmt, ...) {
-	va_list ap;
-
-	va_start(ap, fmt);
-	if (yylineno > 0)
-		fprintf(stderr, "line %d: ", yylineno);
-	vfprintf(stderr, fmt, ap);
-	if (fmt[strlen(fmt)-1] != '\n')
-		 fprintf(stderr, "\n");
-	errcnt++;
-	va_end(ap);
-}
-
-int yylex(void) {
-	int c;
-
-	if (code) {
-		char *p;
-		bp += strspn(bp, " \t\f");
-		p = strchr(bp, '\n');
-		if (p == NULL)
-			p = strchr(bp, '\n');
-		while (p > bp && isspace(p[-1]))
-			p--;
-		yylval.string = alloc(p - bp + 1);
-		strncpy(yylval.string, bp, p - bp);
-		yylval.string[p - bp] = 0;
-		bp = p;
-		code--;
-		return CODE;
-	}
-	while ((c = get()) != EOF) {
-		switch (c) {
-		case ' ': case '\f': case '\t':
-			continue;
-		case '\n':
-		case '(': case ')': case ',':
-		case ':': case '=':
-			return c;
-		}
-		if (c == '%' && *bp == '%') {
-			bp++;
-			return ppercent++ ? 0 : PPERCENT;
-		} else if (c == '%' && strncmp(bp, "term", 4) == 0
-		&& isspace(bp[4])) {
-			bp += 4;
-			return TERMINAL;
-		} else if (c == '%' && strncmp(bp, "start", 5) == 0
-		&& isspace(bp[5])) {
-			bp += 5;
-			return START;
-		} else if (c == '"') {
-			char *p = strchr(bp, '"');
-			if (p == NULL) {
-				yyerror("missing \" in assembler template\n");
-				p = strchr(bp, '\n');
-				if (p == NULL)
-					p = strchr(bp, '\0');
-			}
-			assert(p);
-			yylval.string = alloc(p - bp + 1);
-			strncpy(yylval.string, bp, p - bp);
-			yylval.string[p - bp] = 0;
-			bp = *p == '"' ? p + 1 : p;
-			code++;
-			return TEMPLATE;
-		} else if (isdigit(c)) {
-			int n = 0;
-			do {
-				int d = c - '0';
-				if (n > (INT_MAX - d)/10)
-					yyerror("integer greater than %d\n", INT_MAX);
-				else
-					n = 10*n + d;
-				c = get();
-			} while (c != EOF && isdigit(c));
-			bp--;
-			yylval.n = n;
-			return INT;
-		} else if (isalpha(c)) {
-			char *p = bp - 1;
-			while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
-				bp++;
-			yylval.string = alloc(bp - p + 1);
-			strncpy(yylval.string, p, bp - p);
-			yylval.string[bp - p] = 0;
-			return ID;
-		} else if (isprint(c))
-			yyerror("invalid character `%c'\n", c);
-		else
-			yyerror("invalid character `\\%03o'\n", (unsigned char)c);
-	}
-	return 0;
-}
-
-void yywarn(char *fmt, ...) {
-	va_list ap;
-
-	va_start(ap, fmt);
-	if (yylineno > 0)
-		fprintf(stderr, "line %d: ", yylineno);
-	fprintf(stderr, "warning: ");
-	vfprintf(stderr, fmt, ap);
-}
-#line 403 "y.tab.c"
-#define YYABORT goto yyabort
-#define YYACCEPT goto yyaccept
-#define YYERROR goto yyerrlab
-
-#if YYDEBUG
-#ifdef __cplusplus
-extern "C" char *getenv();
-#else
-extern char *getenv();
-#endif
-#endif
-
-int
-yyparse()
-{
-    register int yym, yyn, yystate;
-    register YYSTYPE *yyvsp;
-    register short *yyssp;
-    short *yysse;
-#if YYDEBUG
-    register YYCONST char *yys;
-
-    if (yys = getenv("YYDEBUG"))
-    {
-        yyn = *yys;
-        if (yyn >= '0' && yyn <= '9')
-            yydebug = yyn - '0';
-    }
-#endif
-
-    yynerrs = 0;
-    yyerrflag = 0;
-    yychar = (-1);
-
-    if (yyss == 0)
-    {
-        yyss = (short *) yymalloc (YYSTACKSIZE * sizeof (short));
-        if (yyss == 0)
-          goto yyabort;
-        yyvs = (YYSTYPE *) yymalloc (YYSTACKSIZE * sizeof (YYSTYPE));
-        if (yyvs == 0)
-        {
-            yyfree (yyss);
-            goto yyabort;
-        }
-        yystacksize = YYSTACKSIZE;
-    }
-    yysse = yyss + yystacksize - 1;
-    yyssp = yyss;
-    yyvsp = yyvs;
-    *yyssp = yystate = 0;
-    goto yyloop;
-
-yypush_lex:
-    yyval = yylval;
-    yystate = yytable[yyn];
-yypush:
-    if (yyssp >= yysse)
-    {
-        int depth = yyssp - yyss;
-        if (yygrow() != 0)
-             goto yyoverflow;
-        yysse = yyss + yystacksize -1;
-        yyssp = depth + yyss;
-        yyvsp = depth + yyvs;
-    }
-    *++yyssp = yystate;
-    *++yyvsp = yyval;
-
-yyloop:
-    if ((yyn = yydefred[yystate])) goto yyreduce;
-    yyn = yysindex[yystate];
-    if (yychar < 0)
-    {
-        if ((yychar = yylex()) < 0) yychar = 0;
-#if YYDEBUG
-        if (yydebug)
-        {
-            yys = 0;
-            if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
-            if (!yys) yys = "illegal-symbol";
-            printf("yydebug: state %d, reading %d (%s)\n", yystate,
-                    yychar, yys);
-        }
-#endif
-    }
-    if (yyn != 0
-        && ((yyn += yychar), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
-        && yycheck[yyn] == yychar)
-    {
-#if YYDEBUG
-        if (yydebug)
-            printf("yydebug: state %d, shifting to state %d\n",
-                    yystate, yytable[yyn]);
-#endif
-        if (yyerrflag > 0)  --yyerrflag;
-        yychar = (-1);
-        goto yypush_lex;
-    }
-    yyn = yyrindex[yystate];
-    if (yyn != 0
-        && ((yyn += yychar), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
-        && yycheck[yyn] == yychar)
-    {
-        yyn = yytable[yyn];
-        goto yyreduce;
-    }
-    if (yyerrflag) goto yyinrecovery;
-#ifdef lint
-    goto yynewerror;
-yynewerror:
-#endif
-    yyerror("syntax error");
-#ifdef lint
-    goto yyerrlab;
-yyerrlab:
-#endif
-    ++yynerrs;
-yyinrecovery:
-    if (yyerrflag < 3)
-    {
-        yyerrflag = 3;
-        for (;;)
-        {
-            yyn = yysindex[*yyssp];
-            if (yyn != 0
-                && ((yyn += YYERRCODE), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
-                && yycheck[yyn] == YYERRCODE)
-            {
-#if YYDEBUG
-                if (yydebug)
-                    printf("yydebug: state %d, error recovery shifting\
- to state %d\n", *yyssp, yytable[yyn]);
-#endif
-                goto yypush_lex;
-            }
-            else
-            {
-#if YYDEBUG
-                if (yydebug)
-                    printf("yydebug: error recovery discarding state %d\n",
-                            *yyssp);
-#endif
-                if (yyssp <= yyss) goto yyabort;
-                --yyssp;
-                --yyvsp;
-            }
-        }
-    }
-    else
-    {
-        if (yychar == 0) goto yyabort;
-#if YYDEBUG
-        if (yydebug)
-        {
-            yys = 0;
-            if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
-            if (!yys) yys = "illegal-symbol";
-            printf("yydebug: state %d, error recovery discards token %d (%s)\n",
-                    yystate, yychar, yys);
-        }
-#endif
-        yychar = (-1);
-        goto yyloop;
-    }
-yyreduce:
-#if YYDEBUG
-    if (yydebug)
-        printf("yydebug: state %d, reducing by rule %d (%s)\n",
-                yystate, yyn, yyrule[yyn]);
-#endif
-    yym = yylen[yyn];
-    yyval = yyvsp[1-yym];
-    switch (yyn)
-    {
-case 1:
-#line 22 "lburg/gram.y"
-{ yylineno = 0; }
-break;
-case 2:
-#line 23 "lburg/gram.y"
-{ yylineno = 0; }
-break;
-case 6:
-#line 31 "lburg/gram.y"
-{
-		if (nonterm(yyvsp[-1].string)->number != 1)
-			yyerror("redeclaration of the start symbol\n");
-		}
-break;
-case 8:
-#line 36 "lburg/gram.y"
-{ yyerrok; }
-break;
-case 10:
-#line 40 "lburg/gram.y"
-{ term(yyvsp[-2].string, yyvsp[0].n); }
-break;
-case 12:
-#line 44 "lburg/gram.y"
-{ rule(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-2].string, yyvsp[-1].string); }
-break;
-case 14:
-#line 46 "lburg/gram.y"
-{ yyerrok; }
-break;
-case 15:
-#line 49 "lburg/gram.y"
-{ nonterm(yyval.string = yyvsp[0].string); }
-break;
-case 16:
-#line 52 "lburg/gram.y"
-{ yyval.tree = tree(yyvsp[0].string,  0,  0); }
-break;
-case 17:
-#line 53 "lburg/gram.y"
-{ yyval.tree = tree(yyvsp[-3].string, yyvsp[-1].tree,  0); }
-break;
-case 18:
-#line 54 "lburg/gram.y"
-{ yyval.tree = tree(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-1].tree); }
-break;
-case 19:
-#line 57 "lburg/gram.y"
-{ if (*yyvsp[0].string == 0) yyval.string = "0"; }
-break;
-#line 630 "y.tab.c"
-    }
-    yyssp -= yym;
-    yyvsp -= yym;
-    yym = yylhs[yyn];
-    yystate = *yyssp;
-    if (yystate == 0 && yym == 0)
-    {
-#if YYDEBUG
-        if (yydebug)
-            printf("yydebug: after reduction, shifting from state 0 to\
- state %d\n", YYFINAL);
-#endif
-        yystate = YYFINAL;
-        *++yyssp = YYFINAL;
-        *++yyvsp = yyval;
-        if (yychar < 0)
-        {
-            if ((yychar = yylex()) < 0) yychar = 0;
-#if YYDEBUG
-            if (yydebug)
-            {
-                yys = 0;
-                if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
-                if (!yys) yys = "illegal-symbol";
-                printf("yydebug: state %d, reading %d (%s)\n",
-                        YYFINAL, yychar, yys);
-            }
-#endif
-        }
-        if (yychar == 0) goto yyaccept;
-        goto yyloop;
-    }
-    yyn = yygindex[yym];
-	 if (yyn != 0
-        && ((yyn += yystate), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
-        && yycheck[yyn] == yystate)
-        yystate = yytable[yyn];
-    else
-        yystate = yydgoto[yym];
-#if YYDEBUG
-    if (yydebug)
-        printf("yydebug: after reduction, shifting from state %d \
-to state %d\n", *yyssp, yystate);
-#endif
-    goto yypush;
-yyoverflow:
-    yyerror("yacc stack overflow");
-yyabort:
-    return (1);
-yyaccept:
-    return (0);
-}
diff --git a/lcc/lburg/gram.y b/lcc/lburg/gram.y
deleted file mode 100644
index 1ecd8a9..0000000
--- a/lcc/lburg/gram.y
+++ /dev/null
@@ -1,202 +0,0 @@
-%{
-#include <stdio.h>
-#include "lburg.h"
-static char rcsid[] = "$Id: gram.y 145 2001-10-17 21:53:10Z timo $";
-/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
-static int yylineno = 0;
-%}
-%union {
-	int n;
-	char *string;
-	Tree tree;
-}
-%term TERMINAL
-%term START
-%term PPERCENT
-
-%token  <string>        ID TEMPLATE CODE
-%token  <n>             INT
-%type	<string>	nonterm cost
-%type   <tree>          tree
-%%
-spec	: decls PPERCENT rules		{ yylineno = 0; }
-	| decls				{ yylineno = 0; }
-	;
-
-decls	: /* lambda */
-	| decls decl
-	;
-
-decl	: TERMINAL  blist '\n'
-	| START nonterm '\n'		{
-		if (nonterm($2)->number != 1)
-			yyerror("redeclaration of the start symbol\n");
-		}
-	| '\n'
-	| error '\n'			{ yyerrok; }
-	;
-
-blist	: /* lambda */
-	| blist ID '=' INT      	{ term($2, $4); }
-	;
-
-rules	: /* lambda */
-	| rules nonterm ':' tree TEMPLATE cost '\n'	{ rule($2, $4, $5, $6); }
-	| rules '\n'
-	| rules error '\n'		{ yyerrok; }
-	;
-
-nonterm	: ID				{ nonterm($$ = $1); }
-	;
-
-tree	: ID                            { $$ = tree($1,  0,  0); }
-	| ID '(' tree ')'               { $$ = tree($1, $3,  0); }
-	| ID '(' tree ',' tree ')'      { $$ = tree($1, $3, $5); }
-	;
-
-cost	: CODE				{ if (*$1 == 0) $$ = "0"; }
-	;
-%%
-#include <assert.h>
-#include <stdarg.h>
-#include <ctype.h>
-#include <string.h>
-#include <limits.h>
-
-int errcnt = 0;
-FILE *infp = NULL;
-FILE *outfp = NULL;
-static char buf[BUFSIZ], *bp = buf;
-static int ppercent = 0;
-static int code = 0;
-
-static int get(void) {
-	if (*bp == 0) {
-		bp = buf;
-		*bp = 0;
-		if (fgets(buf, sizeof buf, infp) == NULL)
-			return EOF;
-		yylineno++;
-		while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
-			for (;;) {
-				if (fgets(buf, sizeof buf, infp) == NULL) {
-					yywarn("unterminated %{...%}\n");
-					return EOF;
-				}
-				yylineno++;
-				if (strcmp(buf, "%}\n") == 0)
-					break;
-				fputs(buf, outfp);
-			}
-			if (fgets(buf, sizeof buf, infp) == NULL)
-				return EOF;
-			yylineno++;
-		}
-	}
-	return *bp++;
-}
-
-void yyerror(char *fmt, ...) {
-	va_list ap;
-
-	va_start(ap, fmt);
-	if (yylineno > 0)
-		fprintf(stderr, "line %d: ", yylineno);
-	vfprintf(stderr, fmt, ap);
-	if (fmt[strlen(fmt)-1] != '\n')
-		 fprintf(stderr, "\n");
-	errcnt++;
-	va_end(ap);
-}
-
-int yylex(void) {
-	int c;
-
-	if (code) {
-		char *p;
-		bp += strspn(bp, " \t\f");
-		p = strchr(bp, '\n');
-		if (p == NULL)
-			p = strchr(bp, '\n');
-		while (p > bp && isspace(p[-1]))
-			p--;
-		yylval.string = alloc(p - bp + 1);
-		strncpy(yylval.string, bp, p - bp);
-		yylval.string[p - bp] = 0;
-		bp = p;
-		code--;
-		return CODE;
-	}
-	while ((c = get()) != EOF) {
-		switch (c) {
-		case ' ': case '\f': case '\t':
-			continue;
-		case '\n':
-		case '(': case ')': case ',':
-		case ':': case '=':
-			return c;
-		}
-		if (c == '%' && *bp == '%') {
-			bp++;
-			return ppercent++ ? 0 : PPERCENT;
-		} else if (c == '%' && strncmp(bp, "term", 4) == 0
-		&& isspace(bp[4])) {
-			bp += 4;
-			return TERMINAL;
-		} else if (c == '%' && strncmp(bp, "start", 5) == 0
-		&& isspace(bp[5])) {
-			bp += 5;
-			return START;
-		} else if (c == '"') {
-			char *p = strchr(bp, '"');
-			if (p == NULL) {
-				yyerror("missing \" in assembler template\n");
-				p = strchr(bp, '\n');
-				if (p == NULL)
-					p = strchr(bp, '\0');
-			}
-			assert(p);
-			yylval.string = alloc(p - bp + 1);
-			strncpy(yylval.string, bp, p - bp);
-			yylval.string[p - bp] = 0;
-			bp = *p == '"' ? p + 1 : p;
-			code++;
-			return TEMPLATE;
-		} else if (isdigit(c)) {
-			int n = 0;
-			do {
-				int d = c - '0';
-				if (n > (INT_MAX - d)/10)
-					yyerror("integer greater than %d\n", INT_MAX);
-				else
-					n = 10*n + d;
-				c = get();
-			} while (c != EOF && isdigit(c));
-			bp--;
-			yylval.n = n;
-			return INT;
-		} else if (isalpha(c)) {
-			char *p = bp - 1;
-			while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
-				bp++;
-			yylval.string = alloc(bp - p + 1);
-			strncpy(yylval.string, p, bp - p);
-			yylval.string[bp - p] = 0;
-			return ID;
-		} else if (isprint(c))
-			yyerror("invalid character `%c'\n", c);
-		else
-			yyerror("invalid character `\\%03o'\n", (unsigned char)c);
-	}
-	return 0;
-}
-
-void yywarn(char *fmt, ...) {
-	va_list ap;
-
-	va_start(ap, fmt);
-	if (yylineno > 0)
-		fprintf(stderr, "line %d: ", yylineno);
-	fprintf(stderr, "warning: ");
-	vfprintf(stderr, fmt, ap);
-}
diff --git a/lcc/lburg/lburg.1 b/lcc/lburg/lburg.1
deleted file mode 100644
index 8cf7250..0000000
--- a/lcc/lburg/lburg.1
+++ /dev/null
@@ -1,179 +0,0 @@
-.TH LBURG 1 "local \- 11/30/94"
-.\" $Id: lburg.1 145 2001-10-17 21:53:10Z timo $
-.SH NAME
-lburg \- lcc's code-generator generator
-.SH SYNOPSIS
-.B lburg
-[
-.I option
-]...
-[ [
-.I input
-]
-.I output
-]
-.br
-.SH DESCRIPTION
-.PP
-.I lburg
-reads an lcc-style BURG specification from
-.I input
-and writes a pattern-matching code generator to
-.IR output .
-If
-.I input
-is `\-' or is omitted,
-.I lburg
-reads the standard input;
-If
-.I output
-is `\-' or is omitted,
-.I lburg
-writes to the standard output.
-.PP
-.I lburg
-accepts specifications that conform to the following EBNF grammar.
-Terminals are enclosed in single quotes or are
-given in uppercase, all other symbols are nonterminals or English phrases,
-{X} denotes zero or more instances of X, and [X] denotes an optional X.
-.PP
-.nf
-.RS
-.ft CW
-spec:     `%{' configuration `%}' { dcl } `%%' { rule }
-               [ `%%' C code ]
-
-dcl:      `%start' nonterm
-          `%term' { ID `=' INT }
-
-rule:     nonterm `:' tree template [ C expression ]
-
-tree:     term `(' tree `,' tree `)'
-          term `(' tree `)'
-          term
-          nonterm
-
-nonterm:  ID
-
-template: `"' { any character except double quote } `"'
-.RE
-.fi
-.PP
-Specifications are structurally similar to
-.IR yacc 's.
-Text between
-`\f(CW%{\fP'
-and
-`\f(CW%}\fP'
-is called the configuration section; there may be several such segments.
-All are concatenated and copied verbatim into the head of the output.
-Text after the second
-`\f(CW%%\fP',
-if any, is also copied verbatim into the output, at the end.
-.PP
-Specifications consist of declarations, a
-`\f(CW%%\fP'
-separator, and rules.
-Input is line-oriented; each declaration and rule must appear on a separate line,
-and declarations must begin in column 1.
-Declarations declare terminals \(em the operators in subject
-trees \(em and associate a unique, positive external symbol
-number with each one.
-Nonterminals are declared by their presence
-on the left side of rules.  The
-\f(CW%start\fP
-declaration optionally declares a nonterminal as the start symbol.
-In the grammar above,
-\f(CWterm\fP
-and
-\f(CWnonterm\fP
-denote identifiers that are terminals and nonterminals.
-.PP
-Rules define tree patterns in a fully parenthesized prefix
-form. Every nonterminal denotes a tree.
-Each operator has a fixed
-arity, which is inferred from the rules in which it is used.
-A chain rule is a rule whose pattern is another nonterminal.
-If no start symbol is declared, the nonterminal defined by the first rule is used.
-.PP
-Each rule ends with an expression that computes the cost of matching
-that rule; omitted costs
-default to zero. Costs of chain rules must be constants.
-.PP
-The configuration section configures the output
-for the trees being parsed and the client's environment.
-As shown, this section must define
-\f(CWNODEPTR_TYPE\fP
-to be a visible typedef symbol for a pointer to a
-node in the subject tree.
-The labeller invokes
-\f(CWOP_LABEL(p)\fP,
-\f(CWLEFT\_CHILD(p)\fP, and
-\f(CWRIGHT\_CHILD(p)\fP
-to read the operator and children from the node pointed to by \f(CWp\fP.
-If the configuration section defines these operations as macros, they are implemented in-line;
-otherwise, they must be implemented as functions.
-.PP
-The matcher
-computes and stores a single integral state in each node of the subject tree.
-The configuration section must define a macro
-\f(CWSTATE_LABEL(p)\fP
-to access the state field of the node pointed to
-by \f(CWp\fP. It must be large enough to hold a pointer, and
-a macro is required because it is used as an lvalue.
-.PP
-.SH OPTIONS
-.TP
-.BI \-p \ prefix
-.br
-.ns
-.TP
-.BI \-p prefix
-Use
-.I prefix
-as the disambiquating prefix for visible names and fields.
-The default is `\f(CW_\fP'.
-.TP
-.B \-T
-Arrange for
-.sp
-.nf
-.ft CW
-    void _trace(NODEPTR_TYPE p, int eruleno,
-                    int cost, int bestcost);
-.sp
-.fi
-.ft R
-to be called at each successful match.
-\f(CWp\fP
-identifies the node and
-\f(CWeruleno\fP
-identifies the matching rule; the rules are numbered
-beginning at 1 in the order they appear in the input.
-\f(CWcost\fP
-is the cost of the match and
-\f(CWbestcost\fP
-is the cost of the best previous match. The current match
-wins only if
-\f(CWcost\fP
-is less than \f(CWbestcost\fP.
-32767 represents the infinite cost of no previous match.
-\f(CW_trace\fP must be declared in the configuration section.
-.SH "SEE ALSO"
-.IR lcc (1)
-.PP
-C. W. Fraser and D. R. Hanson,
-.IR A Retargetable C Compiler: Design and Implementation ,
-Benjamin/Cummings, Redwood City, CA, 1995,
-ISBN 0-8053-1670-1. Chapter 14.
-.PP
-C. W. Fraser, D. R. Hanson and T. A. Proebsting,
-`Engineering a simple, efficient code generator generator,'
-.I
-ACM Letters on Programming Languages and Systems
-.BR 1 ,
-3 (Sep. 1992), 213-226.
-.br
-.SH BUGS
-Mail bug reports along with the shortest input
-that exposes them to drh@cs.princeton.edu.
diff --git a/lcc/lburg/lburg.c b/lcc/lburg/lburg.c
deleted file mode 100644
index c43c96a..0000000
--- a/lcc/lburg/lburg.c
+++ /dev/null
@@ -1,671 +0,0 @@
-#include <assert.h>
-#include <ctype.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <time.h>
-#include "lburg.h"
-
-static char rcsid[] = "lburg.c - faked rcsid";
-
-static char *prefix = "";
-static int Tflag = 0;
-static int ntnumber = 0;
-static Nonterm start = 0;
-static Term terms;
-static Nonterm nts;
-static Rule rules;
-static int nrules;
-static struct block {
-	struct block *link;
-} *memlist;			/* list of allocated blocks */
-
-static char *stringf(char *fmt, ...);
-static void print(char *fmt, ...);
-static void ckreach(Nonterm p);
-static void emitclosure(Nonterm nts);
-static void emitcost(Tree t, char *v);
-static void emitdefs(Nonterm nts, int ntnumber);
-static void emitheader(void);
-static void emitkids(Rule rules, int nrules);
-static void emitnts(Rule rules, int nrules);
-static void emitrecalc(char *pre, Term root, Term kid);
-static void emitrecord(char *pre, Rule r, char *c, int cost);
-static void emitrule(Nonterm nts);
-static void emitlabel(Term terms, Nonterm start, int ntnumber);
-static void emitstring(Rule rules);
-static void emitstruct(Nonterm nts, int ntnumber);
-static void emittest(Tree t, char *v, char *suffix);
-
-int main(int argc, char *argv[]) {
-	int c, i;
-	Nonterm p;
-	
-	for (i = 1; i < argc; i++)
-		if (strcmp(argv[i], "-T") == 0)
-			Tflag = 1;
-		else if (strncmp(argv[i], "-p", 2) == 0 && argv[i][2])
-			prefix = &argv[i][2];
-		else if (strncmp(argv[i], "-p", 2) == 0 && i + 1 < argc)
-			prefix = argv[++i];
-		else if (*argv[i] == '-' && argv[i][1]) {
-			yyerror("usage: %s [-T | -p prefix]... [ [ input ] output ] \n",
-				argv[0]);
-			exit(1);
-		} else if (infp == NULL) {
-			if (strcmp(argv[i], "-") == 0)
-				infp = stdin;
-			else if ((infp = fopen(argv[i], "r")) == NULL) {
-				yyerror("%s: can't read `%s'\n", argv[0], argv[i]);
-				exit(1);
-			}
-		} else if (outfp == NULL) {
-			if (strcmp(argv[i], "-") == 0)
-				outfp = stdout;
-			if ((outfp = fopen(argv[i], "w")) == NULL) {
-				yyerror("%s: can't write `%s'\n", argv[0], argv[i]);
-				exit(1);
-			}
-		}
-	if (infp == NULL)
-		infp = stdin;
-	if (outfp == NULL)
-		outfp = stdout;
-	yyparse();
-	if (start)
-		ckreach(start);
-	for (p = nts; p; p = p->link) {
-		if (p->rules == NULL)
-			yyerror("undefined nonterminal `%s'\n", p->name);
-		if (!p->reached)
-			yyerror("can't reach nonterminal `%s'\n", p->name);
-	}
-	emitheader();
-	emitdefs(nts, ntnumber);
-	emitstruct(nts, ntnumber);
-	emitnts(rules, nrules);
-	emitstring(rules);
-	emitrule(nts);
-	emitclosure(nts);
-	if (start)
-		emitlabel(terms, start, ntnumber);
-	emitkids(rules, nrules);
-	if (!feof(infp))
-		while ((c = getc(infp)) != EOF)
-			putc(c, outfp);
-	while (memlist) {	/* for purify */
-		struct block *q = memlist->link;
-		free(memlist);
-		memlist = q;
-	}
-	return errcnt > 0;
-}
-
-/* alloc - allocate nbytes or issue fatal error */
-void *alloc(int nbytes) {
-	struct block *p = calloc(1, sizeof *p + nbytes);
-
-	if (p == NULL) {
-		yyerror("out of memory\n");
-		exit(1);
-	}
-	p->link = memlist;
-	memlist = p;
-	return p + 1;
-}
-
-/* stringf - format and save a string */
-static char *stringf(char *fmt, ...) {
-	va_list ap;
-	char buf[512];
-
-	va_start(ap, fmt);
-	vsprintf(buf, fmt, ap);
-	va_end(ap);
-	return strcpy(alloc(strlen(buf) + 1), buf);
-}	
-
-struct entry {
-	union {
-		char *name;
-		struct term t;
-		struct nonterm nt;
-	} sym;
-	struct entry *link;
-} *table[211];
-#define HASHSIZE (sizeof table/sizeof table[0])
-
-/* hash - return hash number for str */
-static unsigned hash(char *str) {
-	unsigned h = 0;
-
-	while (*str)
-		h = (h<<1) + *str++;
-	return h;
-}
-
-/* lookup - lookup symbol name */
-static void *lookup(char *name) {
-	struct entry *p = table[hash(name)%HASHSIZE];
-
-	for ( ; p; p = p->link)
-		if (strcmp(name, p->sym.name) == 0)
-			return &p->sym;
-	return 0;
-}
-
-/* install - install symbol name */
-static void *install(char *name) {
-	struct entry *p = alloc(sizeof *p);
-	int i = hash(name)%HASHSIZE;
-
-	p->sym.name = name;
-	p->link = table[i];
-	table[i] = p;
-	return &p->sym;
-}
-
-/* nonterm - create a new terminal id, if necessary */
-Nonterm nonterm(char *id) {
-	Nonterm p = lookup(id), *q = &nts;
-
-	if (p && p->kind == NONTERM)
-		return p;
-	if (p && p->kind == TERM)
-		yyerror("`%s' is a terminal\n", id);
-	p = install(id);
-	p->kind = NONTERM;
-	p->number = ++ntnumber;
-	if (p->number == 1)
-		start = p;
-	while (*q && (*q)->number < p->number)
-		q = &(*q)->link;
-	assert(*q == 0 || (*q)->number != p->number);
-	p->link = *q;
-	*q = p;
-	return p;
-}
-
-/* term - create a new terminal id with external symbol number esn */
-Term term(char *id, int esn) {
-	Term p = lookup(id), *q = &terms;
-
-	if (p)
-		yyerror("redefinition of terminal `%s'\n", id);
-	else
-		p = install(id);
-	p->kind = TERM;
-	p->esn = esn;
-	p->arity = -1;
-	while (*q && (*q)->esn < p->esn)
-		q = &(*q)->link;
-	if (*q && (*q)->esn == p->esn)
-		yyerror("duplicate external symbol number `%s=%d'\n",
-			p->name, p->esn);
-	p->link = *q;
-	*q = p;
-	return p;
-}
-
-/* tree - create & initialize a tree node with the given fields */
-Tree tree(char *id, Tree left, Tree right) {
-	Tree t = alloc(sizeof *t);
-	Term p = lookup(id);
-	int arity = 0;
-
-	if (left && right)
-		arity = 2;
-	else if (left)
-		arity = 1;
-	if (p == NULL && arity > 0) {
-		yyerror("undefined terminal `%s'\n", id);
-		p = term(id, -1);
-	} else if (p == NULL && arity == 0)
-		p = (Term)nonterm(id);
-	else if (p && p->kind == NONTERM && arity > 0) {
-		yyerror("`%s' is a nonterminal\n", id);
-		p = term(id, -1);
-	}
-	if (p->kind == TERM && p->arity == -1)
-		p->arity = arity;
-	if (p->kind == TERM && arity != p->arity)
-		yyerror("inconsistent arity for terminal `%s'\n", id);
-	t->op = p;
-	t->nterms = p->kind == TERM;
-	if ((t->left = left) != NULL)
-		t->nterms += left->nterms;
-	if ((t->right = right) != NULL)
-		t->nterms += right->nterms;
-	return t;
-}
-
-/* rule - create & initialize a rule with the given fields */
-Rule rule(char *id, Tree pattern, char *template, char *code) {
-	Rule r = alloc(sizeof *r), *q;
-	Term p = pattern->op;
-	char *end;
-
-	r->lhs = nonterm(id);
-	r->packed = ++r->lhs->lhscount;
-	for (q = &r->lhs->rules; *q; q = &(*q)->decode)
-		;
-	*q = r;
-	r->pattern = pattern;
-	r->ern = ++nrules;
-	r->template = template;
-	r->code = code;
-	r->cost = strtol(code, &end, 10);
-	if (*end) {
-		r->cost = -1;
-		r->code = stringf("(%s)", code);
-	}
-	if (p->kind == TERM) {
-		for (q = &p->rules; *q; q = &(*q)->next)
-			;
-		*q = r;
-	} else if (pattern->left == NULL && pattern->right == NULL) {
-		Nonterm p = pattern->op;
-		r->chain = p->chain;
-	        p->chain = r;
-		if (r->cost == -1)
-			yyerror("illegal nonconstant cost `%s'\n", code);
-	}
-	for (q = &rules; *q; q = &(*q)->link)
-		;
-	r->link = *q;
-	*q = r;
-	return r;
-}
-
-/* print - formatted output */
-static void print(char *fmt, ...) {
-	va_list ap;
-
-	va_start(ap, fmt);
-	for ( ; *fmt; fmt++)
-		if (*fmt == '%')
-			switch (*++fmt) {
-			case 'd': fprintf(outfp, "%d", va_arg(ap, int)); break;
-			case 's': fputs(va_arg(ap, char *), outfp); break;
-			case 'P': fprintf(outfp, "%s_", prefix); break;
-			case 'T': {
-				Tree t = va_arg(ap, Tree);
-				print("%S", t->op);
-				if (t->left && t->right)
-					print("(%T,%T)", t->left, t->right);
-				else if (t->left)
-					print("(%T)", t->left);
-				break;
-				}
-			case 'R': {
-				Rule r = va_arg(ap, Rule);
-				print("%S: %T", r->lhs, r->pattern);
-				break;
-				}
-			case 'S': fputs(va_arg(ap, Term)->name, outfp); break;
-			case '1': case '2': case '3': case '4': case '5': {
-				int n = *fmt - '0';
-				while (n-- > 0)
-					putc('\t', outfp);
-				break;
-				}
-			default: putc(*fmt, outfp); break;			
-			}
-		else
-			putc(*fmt, outfp);
-	va_end(ap);
-}
-
-/* reach - mark all nonterminals in tree t as reachable */
-static void reach(Tree t) {
-	Nonterm p = t->op;
-
-	if (p->kind == NONTERM)
-		if (!p->reached)
-			ckreach(p);
-	if (t->left)
-		reach(t->left);
-	if (t->right)
-		reach(t->right);
-}
-
-/* ckreach - mark all nonterminals reachable from p */
-static void ckreach(Nonterm p) {
-	Rule r;
-
-        p->reached = 1;
-	for (r = p->rules; r; r = r->decode)
-		reach(r->pattern);
-}
-
-/* emitcase - emit one case in function state */
-static void emitcase(Term p, int ntnumber) {
-	Rule r;
-
-	print("%1case %d: /* %S */\n", p->esn, p);
-	switch (p->arity) {
-	case 0: case -1:
-		break;
-	case 1:
-		print("%2%Plabel(LEFT_CHILD(a));\n");
-		break;
-	case 2:
-		print("%2%Plabel(LEFT_CHILD(a));\n");
-		print("%2%Plabel(RIGHT_CHILD(a));\n");
-		break;
-	default: assert(0);
-	}
-	for (r = p->rules; r; r = r->next) {
-		char *indent = "\t\t\0";
-		switch (p->arity) {
-		case 0: case -1:
-			print("%2/* %R */\n", r);
-			if (r->cost == -1) {
-				print("%2c = %s;\n", r->code);
-				emitrecord("\t\t", r, "c", 0);
-			} else
-				emitrecord("\t\t", r, r->code, 0);
-			break;
-		case 1:
-			if (r->pattern->nterms > 1) {
-				print("%2if (%1/* %R */\n", r);
-				emittest(r->pattern->left, "LEFT_CHILD(a)", " ");
-				print("%2) {\n");
-				indent = "\t\t\t";
-			} else
-				print("%2/* %R */\n", r);
-			if (r->pattern->nterms == 2 && r->pattern->left
-			&&  r->pattern->right == NULL)
-				emitrecalc(indent, r->pattern->op, r->pattern->left->op);
-			print("%sc = ", indent);
-			emitcost(r->pattern->left, "LEFT_CHILD(a)");
-			print("%s;\n", r->code);
-			emitrecord(indent, r, "c", 0);
-			if (indent[2])
-				print("%2}\n");
-			break;
-		case 2:
-			if (r->pattern->nterms > 1) {
-				print("%2if (%1/* %R */\n", r);
-				emittest(r->pattern->left,  "LEFT_CHILD(a)",
-					r->pattern->right->nterms ? " && " : " ");
-				emittest(r->pattern->right, "RIGHT_CHILD(a)", " ");
-				print("%2) {\n");
-				indent = "\t\t\t";
-			} else
-				print("%2/* %R */\n", r);
-			print("%sc = ", indent);
-			emitcost(r->pattern->left,  "LEFT_CHILD(a)");
-			emitcost(r->pattern->right, "RIGHT_CHILD(a)");
-			print("%s;\n", r->code);
-			emitrecord(indent, r, "c", 0);
-			if (indent[2])
-				print("%2}\n");
-			break;
-		default: assert(0);
-		}
-	}
-	print("%2break;\n");
-}
-
-/* emitclosure - emit the closure functions */
-static void emitclosure(Nonterm nts) {
-	Nonterm p;
-
-	for (p = nts; p; p = p->link)
-		if (p->chain)
-			print("static void %Pclosure_%S(NODEPTR_TYPE, int);\n", p);
-	print("\n");
-	for (p = nts; p; p = p->link)
-		if (p->chain) {
-			Rule r;
-			print("static void %Pclosure_%S(NODEPTR_TYPE a, int c) {\n"
-"%1struct %Pstate *p = STATE_LABEL(a);\n", p);
-			for (r = p->chain; r; r = r->chain)
-				emitrecord("\t", r, "c", r->cost);
-			print("}\n\n");
-		}
-}
-
-/* emitcost - emit cost computation for tree t */
-static void emitcost(Tree t, char *v) {
-	Nonterm p = t->op;
-
-	if (p->kind == TERM) {
-		if (t->left)
-			emitcost(t->left,  stringf("LEFT_CHILD(%s)",  v));
-		if (t->right)
-			emitcost(t->right, stringf("RIGHT_CHILD(%s)", v));
-	} else
-		print("((struct %Pstate *)(%s->x.state))->cost[%P%S_NT] + ", v, p);
-}
-
-/* emitdefs - emit nonterminal defines and data structures */
-static void emitdefs(Nonterm nts, int ntnumber) {
-	Nonterm p;
-
-	for (p = nts; p; p = p->link)
-		print("#define %P%S_NT %d\n", p, p->number);
-	print("\n");
-	print("static char *%Pntname[] = {\n%10,\n");
-	for (p = nts; p; p = p->link)
-		print("%1\"%S\",\n", p);
-	print("%10\n};\n\n");
-}
-
-/* emitheader - emit initial definitions */
-static void emitheader(void) {
-	time_t timer = time(NULL);
-
-	print("/*\ngenerated at %sby %s\n*/\n", ctime(&timer), rcsid);
-	print("static void %Pkids(NODEPTR_TYPE, int, NODEPTR_TYPE[]);\n");
-	print("static void %Plabel(NODEPTR_TYPE);\n");
-	print("static int %Prule(void*, int);\n\n");
-}
-
-/* computekids - compute paths to kids in tree t */
-static char *computekids(Tree t, char *v, char *bp, int *ip) {
-	Term p = t->op;
-
-	if (p->kind == NONTERM) {
-		sprintf(bp, "\t\tkids[%d] = %s;\n", (*ip)++, v);
-		bp += strlen(bp);
-	} else if (p->arity > 0) {
-		bp = computekids(t->left, stringf("LEFT_CHILD(%s)", v), bp, ip);
-		if (p->arity == 2)
-			bp = computekids(t->right, stringf("RIGHT_CHILD(%s)", v), bp, ip);
-	}
-	return bp;
-}
-
-/* emitkids - emit _kids */
-static void emitkids(Rule rules, int nrules) {
-	int i;
-	Rule r, *rc = alloc((nrules + 1 + 1)*sizeof *rc);
-	char **str  = alloc((nrules + 1 + 1)*sizeof *str);
-
-	for (i = 0, r = rules; r; r = r->link) {
-		int j = 0;
-		char buf[1024], *bp = buf;
-		*computekids(r->pattern, "p", bp, &j) = 0;
-		for (j = 0; str[j] && strcmp(str[j], buf); j++)
-			;
-		if (str[j] == NULL)
-			str[j] = strcpy(alloc(strlen(buf) + 1), buf);
-		r->kids = rc[j];
-		rc[j] = r;
-	}
-	print("static void %Pkids(NODEPTR_TYPE p, int eruleno, NODEPTR_TYPE kids[]) {\n"
-"%1if (!p)\n%2fatal(\"%Pkids\", \"Null tree\\n\", 0);\n"
-"%1if (!kids)\n%2fatal(\"%Pkids\", \"Null kids\\n\", 0);\n"
-"%1switch (eruleno) {\n");
-	for (i = 0; (r = rc[i]) != NULL; i++) {
-		for ( ; r; r = r->kids)
-			print("%1case %d: /* %R */\n", r->ern, r);
-		print("%s%2break;\n", str[i]);
-	}
-	print("%1default:\n%2fatal(\"%Pkids\", \"Bad rule number %%d\\n\", eruleno);\n%1}\n}\n\n");
-}
-
-/* emitlabel - emit label function */
-static void emitlabel(Term terms, Nonterm start, int ntnumber) {
-	int i;
-	Term p;
-
-	print("static void %Plabel(NODEPTR_TYPE a) {\n%1int c;\n"
-"%1struct %Pstate *p;\n\n"
-"%1if (!a)\n%2fatal(\"%Plabel\", \"Null tree\\n\", 0);\n");
-	print("%1STATE_LABEL(a) = p = allocate(sizeof *p, FUNC);\n"
-"%1p->rule._stmt = 0;\n");
-	for (i = 1; i <= ntnumber; i++)
-		print("%1p->cost[%d] =\n", i);
-	print("%20x7fff;\n%1switch (OP_LABEL(a)) {\n");
-	for (p = terms; p; p = p->link)
-		emitcase(p, ntnumber);
-	print("%1default:\n"
-"%2fatal(\"%Plabel\", \"Bad terminal %%d\\n\", OP_LABEL(a));\n%1}\n}\n\n");
-}
-
-/* computents - fill in bp with _nts vector for tree t */
-static char *computents(Tree t, char *bp) {
-	if (t) {
-		Nonterm p = t->op;
-		if (p->kind == NONTERM) {
-			sprintf(bp, "%s_%s_NT, ", prefix, p->name);
-			bp += strlen(bp);
-		} else
-			bp = computents(t->right, computents(t->left,  bp));
-	}
-	return bp;
-}
-
-/* emitnts - emit _nts ragged array */
-static void emitnts(Rule rules, int nrules) {
-	Rule r;
-	int i, j, *nts = alloc((nrules + 1)*sizeof *nts);
-	char **str = alloc((nrules + 1)*sizeof *str);
-
-	for (i = 0, r = rules; r; r = r->link) {
-		char buf[1024];
-		*computents(r->pattern, buf) = 0;
-		for (j = 0; str[j] && strcmp(str[j], buf); j++)
-			;
-		if (str[j] == NULL) {
-			print("static short %Pnts_%d[] = { %s0 };\n", j, buf);
-			str[j] = strcpy(alloc(strlen(buf) + 1), buf);
-		}
-		nts[i++] = j;
-	}
-	print("\nstatic short *%Pnts[] = {\n");
-	for (i = j = 0, r = rules; r; r = r->link) {
-		for ( ; j < r->ern; j++)
-			print("%10,%1/* %d */\n", j);
-		print("%1%Pnts_%d,%1/* %d */\n", nts[i++], j++);
-	}
-	print("};\n\n");
-}
-
-/* emitrecalc - emit code that tests for recalculation of INDIR?(VREGP) */
-static void emitrecalc(char *pre, Term root, Term kid) {
-	if (root->kind == TERM && strncmp(root->name, "INDIR", 5) == 0
-	&&   kid->kind == TERM &&  strcmp(kid->name,  "VREGP"   ) == 0) {
-		Nonterm p;
-		print("%sif (mayrecalc(a)) {\n", pre);
-		print("%s%1struct %Pstate *q = a->syms[RX]->u.t.cse->x.state;\n", pre);
-		for (p = nts; p; p = p->link) {
-			print("%s%1if (q->cost[%P%S_NT] == 0) {\n", pre, p);
-			print("%s%2p->cost[%P%S_NT] = 0;\n", pre, p);
-			print("%s%2p->rule.%P%S = q->rule.%P%S;\n", pre, p, p);
-			print("%s%1}\n", pre);
-		}
-		print("%s}\n", pre);
-	}
-}
-
-/* emitrecord - emit code that tests for a winning match of rule r */
-static void emitrecord(char *pre, Rule r, char *c, int cost) {
-	if (Tflag)
-		print("%s%Ptrace(a, %d, %s + %d, p->cost[%P%S_NT]);\n",
-			pre, r->ern, c, cost, r->lhs);
-	print("%sif (", pre);
-	print("%s + %d < p->cost[%P%S_NT]) {\n"
-"%s%1p->cost[%P%S_NT] = %s + %d;\n%s%1p->rule.%P%S = %d;\n",
-		c, cost, r->lhs, pre, r->lhs, c, cost, pre, r->lhs,
-		r->packed);
-	if (r->lhs->chain)
-		print("%s%1%Pclosure_%S(a, %s + %d);\n", pre, r->lhs, c, cost);
-	print("%s}\n", pre);
-}
-
-/* emitrule - emit decoding vectors and _rule */
-static void emitrule(Nonterm nts) {
-	Nonterm p;
-
-	for (p = nts; p; p = p->link) {
-		Rule r;
-		print("static short %Pdecode_%S[] = {\n%10,\n", p);
-		for (r = p->rules; r; r = r->decode)
-			print("%1%d,\n", r->ern);
-		print("};\n\n");
-	}
-	print("static int %Prule(void *state, int goalnt) {\n"
-"%1if (goalnt < 1 || goalnt > %d)\n%2fatal(\"%Prule\", \"Bad goal nonterminal %%d\\n\", goalnt);\n"
-"%1if (!state)\n%2return 0;\n%1switch (goalnt) {\n", ntnumber);
-	for (p = nts; p; p = p->link)
-		print("%1case %P%S_NT:"
-"%1return %Pdecode_%S[((struct %Pstate *)state)->rule.%P%S];\n", p, p, p);
-	print("%1default:\n%2fatal(\"%Prule\", \"Bad goal nonterminal %%d\\n\", goalnt);\n%2return 0;\n%1}\n}\n\n");
-}
-
-/* emitstring - emit arrays of templates, instruction flags, and rules */
-static void emitstring(Rule rules) {
-	Rule r;
-
-	print("static char *%Ptemplates[] = {\n");
-	print("/* 0 */%10,\n");
-	for (r = rules; r; r = r->link)
-		print("/* %d */%1\"%s\",%1/* %R */\n", r->ern, r->template, r);
-	print("};\n");
-	print("\nstatic char %Pisinstruction[] = {\n");
-	print("/* 0 */%10,\n");
-	for (r = rules; r; r = r->link) {
-		int len = strlen(r->template);
-		print("/* %d */%1%d,%1/* %s */\n", r->ern,
-			len >= 2 && r->template[len-2] == '\\' && r->template[len-1] == 'n',
-			r->template);
-	}
-	print("};\n");
-	print("\nstatic char *%Pstring[] = {\n");
-	print("/* 0 */%10,\n");
-	for (r = rules; r; r = r->link)
-		print("/* %d */%1\"%R\",\n", r->ern, r);
-	print("};\n\n");
-}
-
-/* emitstruct - emit the definition of the state structure */
-static void emitstruct(Nonterm nts, int ntnumber) {
-	print("struct %Pstate {\n%1short cost[%d];\n%1struct {\n", ntnumber + 1);
-	for ( ; nts; nts = nts->link) {
-		int n = 1, m = nts->lhscount;
-		while ((m >>= 1) != 0)
-			n++;		
-		print("%2unsigned int %P%S:%d;\n", nts, n);
-	}
-	print("%1} rule;\n};\n\n");
-}
-
-/* emittest - emit clause for testing a match */
-static void emittest(Tree t, char *v, char *suffix) {
-	Term p = t->op;
-
-	if (p->kind == TERM) {
-		print("%3%s->op == %d%s/* %S */\n", v, p->esn,
-			t->nterms > 1 ? " && " : suffix, p);
-		if (t->left)
-			emittest(t->left, stringf("LEFT_CHILD(%s)",  v),
-				t->right && t->right->nterms ? " && " : suffix);
-		if (t->right)
-			emittest(t->right, stringf("RIGHT_CHILD(%s)", v), suffix);
-	}
-}
diff --git a/lcc/lburg/lburg.h b/lcc/lburg/lburg.h
deleted file mode 100644
index b67e802..0000000
--- a/lcc/lburg/lburg.h
+++ /dev/null
@@ -1,65 +0,0 @@
-#ifndef BURG_INCLUDED
-#define BURG_INCLUDED
-
-/* iburg.c: */
-extern void *alloc(int nbytes);
-
-typedef enum { TERM=1, NONTERM } Kind;
-typedef struct rule *Rule;
-typedef struct term *Term;
-struct term {		/* terminals: */
-	char *name;		/* terminal name */
-	Kind kind;		/* TERM */
-	int esn;		/* external symbol number */
-	int arity;		/* operator arity */
-	Term link;		/* next terminal in esn order */
-	Rule rules;		/* rules whose pattern starts with term */
-};
-
-typedef struct nonterm *Nonterm;
-struct nonterm {	/* nonterminals: */
-	char *name;		/* nonterminal name */
-	Kind kind;		/* NONTERM */
-	int number;		/* identifying number */
-	int lhscount;		/* # times nt appears in a rule lhs */
-	int reached;		/* 1 iff reached from start nonterminal */
-	Rule rules;		/* rules w/nonterminal on lhs */
-	Rule chain;		/* chain rules w/nonterminal on rhs */
-	Nonterm link;		/* next terminal in number order */
-};
-extern Nonterm nonterm(char *id);
-extern Term term(char *id, int esn);
-
-typedef struct tree *Tree;
-struct tree {		/* tree patterns: */
-	void *op;		/* a terminal or nonterminal */
-	Tree left, right;	/* operands */
-	int nterms;		/* number of terminal nodes in this tree */
-};
-extern Tree tree(char *op, Tree left, Tree right);
-
-struct rule {		/* rules: */
-	Nonterm lhs;		/* lefthand side nonterminal */
-	Tree pattern;		/* rule pattern */
-	int ern;		/* external rule number */
-	int packed;		/* packed external rule number */
-	int cost;		/* cost, if a constant */
-	char *code;		/* cost, if an expression */
-	char *template;		/* assembler template */
-	Rule link;		/* next rule in ern order */
-	Rule next;		/* next rule with same pattern root */
-	Rule chain;		/* next chain rule with same rhs */
-	Rule decode;		/* next rule with same lhs */
-	Rule kids;		/* next rule with same _kids pattern */
-};
-extern Rule rule(char *id, Tree pattern, char *template, char *code);
-
-/* gram.y: */
-void yyerror(char *fmt, ...);
-int yyparse(void);
-void yywarn(char *fmt, ...);
-extern int errcnt;
-extern FILE *infp;
-extern FILE *outfp;
-
-#endif