Commit Diff


commit - a6238a4fc991acfceb605346baa838ad40e555dd
commit + bff58270a8ffa0e66ce97234e440b545ba9290d3
blob - 8c03fe56e6f17e0382ee573493d969d629cd22af
blob + 2c280566f2aef354a7a5e6a5d749131b779d9161
--- Makefile
+++ Makefile
@@ -1,14 +1,19 @@
+.PATH:${.CURDIR}/template/
+
 PROG =		galileo
 
 SRCS =		galileo.c config.c fcgi.c log.c parse.y proc.c proxy.c \
-		xmalloc.c
+		tmpl.c xmalloc.c
 
+# templates
+SRCS +=		fragments.c
+
 MAN =		${PROG}.conf.5 ${PROG}.8
 
 # debug
 CFLAGS +=	-O0 -g3
 
-CFLAGS +=	-I${.CURDIR}
+CFLAGS +=	-I${.CURDIR} -I${.CURDIR}/template
 
 WARNINGS =	yes
 
@@ -25,6 +30,9 @@ PREFIX?=	/usr/local
 SBINDIR?=	${PREFIX}/sbin
 MANDIR?=	${PREFIX}/man/man
 
+fragments.c: fragments.tmpl
+	${.CURDIR}/template/obj/template $? > $@
+
 realinstall:
 	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} \
 		-m ${BINMODE} ${PROG} ${SBINDIR}/${PROG}
blob - 515d41d950c37724dbb178c003a47d2a84d69946
blob + 595f05ec0916cb194741e3f8f6d831dd3430c142
--- galileo.h
+++ galileo.h
@@ -47,6 +47,7 @@ struct proxy_config;
 struct imsg;
 struct privsep;
 struct privsep_proc;
+struct template;
 struct tls;
 
 struct client {
@@ -65,6 +66,7 @@ struct client {
 	struct tls		*clt_ctx;
 	struct bufferevent	*clt_bev;
 	int			 clt_headersdone;
+	struct template		*clt_tp;
 
 #define TR_ENABLED	0x1
 #define TR_PRE		0x2
@@ -158,6 +160,11 @@ int	 clt_printf(struct client *, const char *, ...)
 int	 fcgi_cmp(struct fcgi *, struct fcgi *);
 int	 fcgi_client_cmp(struct client *, struct client *);
 
+/* fragments.tmpl */
+int	 tp_head(struct template *, const char *, const char *);
+int	 tp_foot(struct template *);
+int	 tp_figure(struct template *, const char *, const char *);
+
 /* galileo.c */
 int	 accept_reserve(int, struct sockaddr *, socklen_t *, int,
 	     volatile int *);
blob - d7c7097bac03f3fc7134cad494036ace115aebc0
blob + 6096ef855d97f397cf4a1cb0c4521cdf43eca476
--- proxy.c
+++ proxy.c
@@ -41,6 +41,7 @@
 
 #include "log.h"
 #include "proc.h"
+#include "tmpl.h"
 
 #include "galileo.h"
 
@@ -270,13 +271,7 @@ gemtext_translate_line(struct client *clt, char *line)
 				clt->clt_translate &= ~TR_NAV;
 			}
 
-			if (clt_puts(clt, "<figure><a href='") == -1 ||
-			    printurl(clt, line) == -1 ||
-			    clt_puts(clt, "'><img src='") == -1 ||
-			    printurl(clt, line) == -1 ||
-			    clt_puts(clt, "' /></a><figcaption>") == -1 ||
-			    htmlescape(clt, label) == -1 ||
-			    clt_puts(clt, "</figcaption></figure>") == -1)
+			if (tp_figure(clt->clt_tp, line, label) == -1)
 				return (-1);
 
 			return (0);
@@ -607,8 +602,32 @@ parse_mime(struct client *clt, char *mime, char *lang,
 				*semi = ';';
 			continue;
 		}
+	}
+
+	return (0);
+}
+
+static int
+proxy_tp_puts(struct template *tp, const char *c)
+{
+	struct client		*clt = tp->tp_arg;
+
+	if (clt_puts(clt, c) == -1) {
+		tp->tp_ret = -1;
+		return (-1);
 	}
+	return (0);
+}
 
+static int
+proxy_tp_putc(struct template *tp, int c)
+{
+	struct client		*clt = tp->tp_arg;
+
+	if (clt_putc(clt, c) == -1) {
+		tp->tp_ret = -1;
+		return (-1);
+	}
 	return (0);
 }
 
@@ -683,9 +702,11 @@ proxy_read(struct bufferevent *bev, void *d)
 		goto err;
 	}
 
-	if (clt->clt_translate)
+	if (clt->clt_translate) {
+		clt->clt_tp = template(clt, proxy_tp_puts, proxy_tp_putc);
+
 		ctype = "text/html;charset=utf-8";
-	else
+	} else
 		ctype = mime;
 
 	if (clt_printf(clt, "Content-Type: %s\r\n\r\n", ctype) == -1)
@@ -693,28 +714,9 @@ proxy_read(struct bufferevent *bev, void *d)
 
 	clt->clt_headersdone = 1;
 
-	if (clt->clt_translate) {
-		if (clt_puts(clt, "<!doctype html><html") == -1)
-			goto err;
-		if (*lang != '\0') {
-			if (clt_puts(clt, " lang='") == -1 ||
-			    printurl(clt, lang) == -1 ||
-			    clt_puts(clt, "'") == -1)
-				goto err;
-		}
-		if (clt_puts(clt, "><head>") == -1)
-			goto err;
-		if (*pc->stylesheet != '\0' &&
-		    clt_printf(clt, "<link rel='stylesheet' href='%s' />",
-		    pc->stylesheet) == -1)
-			goto err;
-		if (clt_puts(clt,
-		    "<meta name='viewport' content='initial-scale=1' />")
-		    == -1)
-			goto err;
-		if (clt_puts(clt, "</head><body>") == -1)
-			goto err;
-	}
+	if (clt->clt_translate &&
+	    tp_head(clt->clt_tp, lang, pc->stylesheet) == -1)
+		goto err;
 
 	/*
 	 * Trigger the read again so we proceed with the response
@@ -769,21 +771,8 @@ proxy_error(struct bufferevent *bev, short err, void *
 			clt->clt_translate &= ~TR_NAV;
 		}
 
-		if (clt_puts(clt, "<footer>") == -1 ||
-		    clt_puts(clt, "<hr />") == -1 ||
-		    clt_puts(clt, "<dl>") == -1 ||
-		    clt_puts(clt, "<dt>Original URL:</dt>") == -1 ||
-		    clt_puts(clt, "<dd><a href='gemini://") == -1 ||
-		    printurl(clt, clt->clt_pc->proxy_name) == -1 ||
-		    printurl(clt, clt->clt_path_info) == -1 ||
-		    clt_puts(clt, "'>gemini://") == -1 ||
-		    htmlescape(clt, clt->clt_pc->proxy_name) == -1 ||
-		    htmlescape(clt, clt->clt_path_info) == -1 ||
-		    clt_puts(clt, "</a></dd>") == -1 ||
-		    clt_puts(clt, "</dl></footer>") == -1)
+		if (tp_foot(clt->clt_tp) == -1)
 			return;
-		if (clt_puts(clt, "</body></html>") == -1)
-			return;
 	}
 
 	fcgi_end_request(clt, status);
@@ -930,6 +919,7 @@ proxy_client_free(struct client *clt)
 	if (clt->clt_bev)
 		bufferevent_free(clt->clt_bev);
 
+	free(clt->clt_tp);
 	free(clt->clt_server_name);
 	free(clt->clt_script_name);
 	free(clt->clt_path_info);
blob - /dev/null
blob + 85f50b727ebffe31cbcc01d3522a66c5c57b49eb (mode 644)
--- /dev/null
+++ template/Makefile
@@ -0,0 +1,25 @@
+PROG =		template
+SRCS =		template.c parse.y
+
+# XXX
+NOMAN =		Yes
+
+
+# debug
+CFLAGS +=	-O0 -g3
+
+CFLAGS +=	-I${.CURDIR}
+
+WARNINGS =	yes
+
+CDIAGFLAGS =	-Wall -Wextra -Wpointer-arith -Wuninitialized
+CDIAGFLAGS+=	-Wstrict-prototypes -Wmissing-prototypes -Wunused
+CDIAGFLAGS+=	-Wsign-compare -Wshadow -Wno-unused-parameter
+CDIAGFLAGS+=	-Wno-missing-field-initializers
+CDIAGFLAGS+=	-Werror
+
+.if make(regress) || make(clean)
+SUBDIR = regress
+.endif
+
+.include <bsd.prog.mk>
blob - /dev/null
blob + 24c966b200d01acdfa53e4217059071dfa05e31f (mode 644)
--- /dev/null
+++ template/parse.y
@@ -0,0 +1,689 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ * Copyright (c) 2007-2016 Reyk Floeter <reyk@openbsd.org>
+ * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
+ * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
+ * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
+ * Copyright (c) 2001 Markus Friedl.  All rights reserved.
+ * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
+ * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+%{
+
+#include <sys/queue.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef nitems
+#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
+#endif
+
+TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
+static struct file {
+	TAILQ_ENTRY(file)	 entry;
+	FILE			*stream;
+	char			*name;
+	size_t			 ungetpos;
+	size_t			 ungetsize;
+	u_char			*ungetbuf;
+	int			 eof_reached;
+	int			 lineno;
+	int			 errors;
+} *file, *topfile;
+int		 parse(const char *);
+struct file	*pushfile(const char *, int);
+int		 popfile(void);
+int		 yyparse(void);
+int		 yylex(void);
+int		 yyerror(const char *, ...)
+    __attribute__((__format__ (printf, 1, 2)))
+    __attribute__((__nonnull__ (1)));
+int		 kw_cmp(const void *, const void *);
+int		 lookup(char *);
+int		 igetc(void);
+int		 lgetc(int);
+void		 lungetc(int);
+int		 findeol(void);
+
+void		 dbg(void);
+void		 printq(const char *);
+
+extern int	 nodebug;
+
+static int	 block;
+static int	 in_define;
+static int	 errors;
+static char	 lerr[32];
+
+typedef struct {
+	union {
+		char		*string;
+	} v;
+	int lineno;
+} YYSTYPE;
+
+%}
+
+%token	DEFINE ELSE END ERROR ESCAPE FINALLY IF INCLUDE
+%token	RENDER TQFOREACH UNSAFE URLESCAPE
+%token	<v.string>	STRING
+%type	<v.string>	string
+
+%%
+
+grammar		: /* empty */
+		| grammar include
+		| grammar verbatim
+		| grammar block
+		| grammar error		{ file->errors++; }
+		;
+
+include		: INCLUDE STRING {
+			struct file	*nfile;
+
+			if ((nfile = pushfile($2, 0)) == NULL) {
+				yyerror("failed to include file %s", $2);
+				free($2);
+				YYERROR;
+			}
+			free($2);
+
+			file = nfile;
+			lungetc('\n');
+		}
+		;
+
+verbatim	: '!' verbatim1 '!' {
+			if (in_define) {
+				/* TODO: check template status and exit in case */
+			}
+		}
+		;
+
+verbatim1	: /* empty */
+		| verbatim1 STRING {
+			if (*$2 != '\0') {
+				dbg();
+				puts($2);
+			}
+			free($2);
+		}
+		;
+
+verbatims	: /* empty */
+		| verbatims verbatim
+		;
+
+raw		: STRING {
+			dbg();
+			printf("if (tp->tp_puts(tp, ");
+			printq($1);
+			printf(") == -1) goto %s;\n", lerr);
+
+			free($1);
+		}
+		;
+
+block		: define body end {
+			printf("%s:\n", lerr);
+			puts("return tp->tp_ret;");
+			puts("}");
+			in_define = 0;
+		}
+		| define body finally end {
+			puts("return tp->tp_ret;");
+			puts("}");
+			in_define = 0;
+		}
+		;
+
+define		: '{' DEFINE string '}' {
+			in_define = 1;
+			(void)snprintf(lerr, sizeof(lerr), "err%llu",
+			    (unsigned long long)arc4random());
+
+			dbg();
+			printf("int\n%s\n{\n", $3);
+
+			free($3);
+		}
+		;
+
+body		: /* empty */
+		| body verbatim
+		| body raw
+		| body special
+		;
+
+special		: '{' RENDER string '}' {
+			dbg();
+			if (strrchr($3, ')') != NULL)
+				printf("if (%s == -1) goto %s;\n",
+				    $3, lerr);
+			else
+				printf("if (%s != NULL && %s(tp) == -1) "
+				    "goto %s;\n", $3, $3, lerr);
+			free($3);
+		}
+		| if body endif			{ puts("}"); }
+		| loop
+		| '{' string '|' ESCAPE '}' {
+			dbg();
+			printf("if (tp->tp_escape(tp, %s) == -1) goto %s;\n",
+			    $2, lerr);
+			free($2);
+		}
+		| '{' string '|' UNSAFE '}' {
+			dbg();
+			printf("if (tp->tp_puts(tp, %s) == -1) goto %s;\n",
+			    $2, lerr);
+			free($2);
+		}
+		| '{' string '|' URLESCAPE '}' {
+			dbg();
+			printf("if (tp_urlescape(tp, %s) == -1) goto %s;\n",
+			    $2, lerr);
+			free($2);
+		}
+		| '{' string '}' {
+			dbg();
+			printf("if (tp->tp_escape(tp, %s) == -1) goto %s;\n",
+			    $2, lerr);
+			free($2);
+		}
+		;
+
+if		: '{' IF string '}' {
+			dbg();
+			printf("if (%s) {\n", $3);
+			free($3);
+		}
+		;
+
+endif		: end
+		| else body end
+		| elsif body endif
+		;
+
+elsif		: '{' ELSE IF string '}' {
+			dbg();
+			printf("} else if (%s) {\n", $4);
+			free($4);
+		}
+		;
+
+else		: '{' ELSE '}' {
+			dbg();
+			puts("} else {");
+		}
+		;
+
+loop		: '{' TQFOREACH STRING STRING STRING '}' {
+			printf("TAILQ_FOREACH(%s, %s, %s) {\n",
+			    $3, $4, $5);
+			free($3);
+			free($4);
+			free($5);
+		} body end {
+			puts("}");
+		}
+		;
+
+end		: '{' END '}'
+		;
+
+finally		: '{' FINALLY '}' {
+			dbg();
+			printf("%s:\n", lerr);
+		} verbatims
+		;
+
+string		: STRING string {
+			if (asprintf(&$$, "%s %s", $1, $2) == -1)
+				err(1, "asprintf");
+			free($1);
+			free($2);
+		}
+		| STRING
+		;
+
+%%
+
+struct keywords {
+	const char	*k_name;
+	int		 k_val;
+};
+
+int
+yyerror(const char *fmt, ...)
+{
+	va_list	 ap;
+	char	*msg;
+
+	file->errors++;
+	va_start(ap, fmt);
+	if (vasprintf(&msg, fmt, ap) == -1)
+		err(1, "yyerror vasprintf");
+	va_end(ap);
+	fprintf(stderr, "%s:%d: %s\n", file->name, yylval.lineno, msg);
+	free(msg);
+	return (0);
+}
+
+int
+kw_cmp(const void *k, const void *e)
+{
+	return (strcmp(k, ((const struct keywords *)e)->k_name));
+}
+
+int
+lookup(char *s)
+{
+	/* this has to be sorted always */
+	static const struct keywords keywords[] = {
+		{ "define",		DEFINE },
+		{ "else",		ELSE },
+		{ "end",		END },
+		{ "escape",		ESCAPE },
+		{ "finally",		FINALLY },
+		{ "if",			IF },
+		{ "include",		INCLUDE },
+		{ "render",		RENDER },
+		{ "tailq-foreach",	TQFOREACH },
+		{ "unsafe",		UNSAFE },
+		{ "urlescape",		URLESCAPE },
+	};
+	const struct keywords	*p;
+
+	p = bsearch(s, keywords, nitems(keywords), sizeof(keywords[0]),
+	    kw_cmp);
+
+	if (p)
+		return (p->k_val);
+	else
+		return (STRING);
+}
+
+#define START_EXPAND	1
+#define DONE_EXPAND	2
+
+static int	expanding;
+
+int
+igetc(void)
+{
+	int	c;
+
+	while (1) {
+		if (file->ungetpos > 0)
+			c = file->ungetbuf[--file->ungetpos];
+		else
+			c = getc(file->stream);
+
+		if (c == START_EXPAND)
+			expanding = 1;
+		else if (c == DONE_EXPAND)
+			expanding = 0;
+		else
+			break;
+	}
+	return (c);
+}
+
+int
+lgetc(int quotec)
+{
+	int		c, next;
+
+	if (quotec) {
+		if ((c = igetc()) == EOF) {
+			yyerror("reached end of filewhile parsing "
+			    "quoted string");
+			if (file == topfile || popfile() == EOF)
+				return (EOF);
+			return (quotec);
+		}
+		return (c);
+	}
+
+	while ((c = igetc()) == '\\') {
+		next = igetc();
+		if (next != '\n') {
+			c = next;
+			break;
+		}
+		yylval.lineno = file->lineno;
+		file->lineno++;
+	}
+	if (c == '\t' || c == ' ') {
+		/* Compress blanks to a sigle space. */
+		do {
+			c = getc(file->stream);
+		} while (c == '\t'  || c == ' ');
+		ungetc(c, file->stream);
+		c = ' ';
+	}
+
+	if (c == EOF) {
+		/*
+		 * Fake EOL when hit EOF for the first time. This gets line
+		 * count rigchtif last line included file is syntactically
+		 * invalid and has no newline.
+		 */
+		if (file->eof_reached == 0) {
+			file->eof_reached = 1;
+			return ('\n');
+		}
+		while (c == EOF) {
+			if (file == topfile || popfile() == EOF)
+				return (EOF);
+			c = igetc();
+		}
+	}
+	return (c);
+}
+
+void
+lungetc(int c)
+{
+	if (c == EOF)
+		return;
+
+	if (file->ungetpos >= file->ungetsize) {
+		void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
+		if (p == NULL)
+			err(1, "reallocarray");
+		file->ungetbuf = p;
+		file->ungetsize *= 2;
+	}
+	file->ungetbuf[file->ungetpos++] = c;
+}
+
+int
+findeol(void)
+{
+	int	c;
+
+	/* skip to either EOF or the first real EOL */
+	while (1) {
+		c = lgetc(0);
+		if (c == '\n') {
+			file->lineno++;
+			break;
+		}
+		if (c == EOF)
+			break;
+	}
+	return (ERROR);
+}
+
+int
+yylex(void)
+{
+	char		 buf[8096];
+	char		*p = buf;
+	int		 c;
+	int		 token;
+	int		 starting = 0;
+	int		 ending = 0;
+
+	if (!in_define && block == 0) {
+		while ((c = lgetc(0)) != '{' && c != EOF) {
+			if (c == '\n')
+				file->lineno++;
+		}
+
+		if (c == EOF)
+			return (0);
+
+newblock:
+		c = lgetc(0);
+		if (c == '{' || c == '!') {
+			if (c == '{')
+				block = '}';
+			else
+				block = c;
+			return (c);
+		}
+		if (c == '\n')
+			file->lineno++;
+	}
+
+	while ((c = lgetc(0)) == ' ' || c == '\t' || c == '\n') {
+		if (c == '\n')
+			file->lineno++;
+	}
+
+	if (c == EOF) {
+		yyerror("unterminated block");
+		return (0);
+	}
+
+	yylval.lineno = file->lineno;
+
+	if (block != 0 && c == block) {
+		if ((c = lgetc(0)) == '}') {
+			if (block == '!') {
+				block = 0;
+				return ('!');
+			}
+			block = 0;
+			return ('}');
+		}
+		lungetc(c);
+		c = block;
+	}
+
+	if (in_define && block == 0) {
+		if (c == '{')
+			goto newblock;
+
+		do {
+			if (starting) {
+				if (c == '!' || c == '{') {
+					lungetc('{');
+					lungetc(c);
+					break;
+				}
+				starting = 0;
+				lungetc(c);
+				c = '{';
+			} else if (c == '{') {
+				starting = 1;
+				continue;
+			}
+
+			*p++ = c;
+			if ((size_t)(p - buf) >= sizeof(buf)) {
+				yyerror("string too long");
+				return (findeol());
+			}
+		} while ((c = lgetc(0)) != EOF && c != '\n');
+		*p = '\0';
+		if (c == EOF) {
+			yyerror("unterminated block");
+			return (0);
+		}
+		if (c == '\n')
+			file->lineno++;
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+		return (STRING);
+	}
+
+	if (block == '!') {
+		do {
+			if (ending) {
+				if (c == '}') {
+					lungetc(c);
+					lungetc(block);
+					break;
+				}
+				ending = 0;
+				lungetc(c);
+				c = block;
+			} else if (c == '!') {
+				ending = 1;
+				continue;
+			}
+
+			*p++ = c;
+			if ((size_t)(p - buf) >= sizeof(buf)) {
+				yyerror("line too long");
+				return (findeol());
+			}
+		} while ((c = lgetc(0)) != EOF && c != '\n');
+		*p = '\0';
+
+		if (c == EOF) {
+			yyerror("unterminated block");
+			return (0);
+		}
+		if (c == '\n')
+			file->lineno++;
+
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+		return (STRING);
+	}
+
+	if (c == '|')
+		return (c);
+
+	do {
+		if (c == '|') {
+			lungetc(c);
+			break;
+		}
+
+		if (ending) {
+			if (c == '}') {
+				lungetc(c);
+				lungetc('}');
+				break;
+			}
+			ending = 0;
+			lungetc(c);
+			c = block;
+		} else if (c == '}') {
+			ending = 1;
+			continue;
+		}
+
+		*p++ = c;
+		if ((size_t)(p - buf) >= sizeof(buf)) {
+			yyerror("string too long");
+			return (findeol());
+		}
+	} while ((c = lgetc(0)) != EOF && !isspace((unsigned char)c));
+	*p = '\0';
+
+	if (c == EOF) {
+		yyerror("unterminated block");
+		return (0);
+	}
+	if (c ==  '\n')
+		file->lineno++;
+	if ((token = lookup(buf)) == STRING)
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+	return (token);
+}
+
+struct file *
+pushfile(const char *name, int secret)
+{
+	struct file	*nfile;
+
+	if ((nfile = calloc(1, sizeof(*nfile))) == NULL)
+		err(1, "calloc");
+	if ((nfile->name = strdup(name)) == NULL)
+		err(1, "strdup");
+	if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
+		warn("can't open %s", nfile->name);
+		free(nfile->name);
+		free(nfile);
+		return (NULL);
+	}
+	nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
+	nfile->ungetsize = 16;
+	nfile->ungetbuf = malloc(nfile->ungetsize);
+	if (nfile->ungetbuf == NULL)
+		err(1, "malloc");
+	TAILQ_INSERT_TAIL(&files, nfile, entry);
+	return (nfile);
+}
+
+int
+popfile(void)
+{
+	struct file	*prev;
+
+	if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
+		prev->errors += file->errors;
+
+	TAILQ_REMOVE(&files, file, entry);
+	fclose(file->stream);
+	free(file->name);
+	free(file->ungetbuf);
+	free(file);
+	file = prev;
+	return (file ? 0 : EOF);
+}
+
+int
+parse(const char *filename)
+{
+	if ((file = pushfile(filename, 0)) == 0)
+		return (-1);
+	topfile = file;
+
+	yyparse();
+	errors = file->errors;
+	popfile();
+
+	return (errors ? -1 : 0);
+}
+
+void
+dbg(void)
+{
+	if (nodebug)
+		return;
+
+	printf("#line %d ", yylval.lineno);
+	printq(file->name);
+	putchar('\n');
+}
+
+void
+printq(const char *str)
+{
+	putchar('"');
+	for (; *str; ++str) {
+		if (*str == '"')
+			putchar('\\');
+		putchar(*str);
+	}
+	putchar('"');
+}
blob - /dev/null
blob + e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 (mode 644)
blob - /dev/null
blob + c2d0fad50754e9ec3740571ad5e77d7dc475ab26 (mode 644)
--- /dev/null
+++ template/regress/01-noise-only.tmpl
@@ -0,0 +1,2 @@
+only
+noise
blob - /dev/null
blob + 9fda4795acb6662979fb44d2805bdadb0df7c43c (mode 644)
--- /dev/null
+++ template/regress/02-only-verbatim.tmpl
@@ -0,0 +1,13 @@
+{! #include <stdio.h> !}
+
+noise
+here
+
+{!
+int
+main(void)
+{
+	puts("hello, world!");
+	return 0;
+}
+!}
blob - /dev/null
blob + 270c611ee72c567bc1b2abec4cbc345bab9f15ba (mode 644)
--- /dev/null
+++ template/regress/02.expected
@@ -0,0 +1 @@
+hello, world!
blob - /dev/null
blob + 72fc2491d73a975d4a090dbe73551f9a3bd990ee (mode 644)
--- /dev/null
+++ template/regress/03-block.tmpl
@@ -0,0 +1,17 @@
+{! #include <stdlib.h> !}
+
+{{ define base(struct template *tp, const char *title) }}
+{! char *foo = NULL; !}
+<!doctype html>
+<html>
+	<head>
+		<title>{{ title }}</title>
+	</head>
+	<body>
+		<h1>{{ title }}</h1>
+		{{ render tp->tp_body }}
+	</body>
+</html>
+{{ finally }}
+{! free(foo); !}
+{{ end }}
blob - /dev/null
blob + 1321d087e7cfe62f16d62f44bf67ec720e19be5a (mode 644)
--- /dev/null
+++ template/regress/03.expected
@@ -0,0 +1,2 @@
+<!doctype html><html><head><title> *hello* </title></head><body><h1> *hello* </h1></body></html>
+<!doctype html><html><head><title>&lt;hello&gt;</title></head><body><h1>&lt;hello&gt;</h1></body></html>
blob - /dev/null
blob + 87bad8ee4581a664cf2097201d2d371369bcf9b1 (mode 644)
--- /dev/null
+++ template/regress/04-flow.tmpl
@@ -0,0 +1,30 @@
+{!
+#include <stdlib.h>
+#include <string.h>
+!}
+
+{{ define base(struct template *tp, const char *title) }}
+{! char *foo = NULL; !}
+<!doctype html>
+<html>
+	<head>
+		<title>{{ title }}</title>
+	</head>
+	<body>
+		<h1>{{ title }}</h1>
+		{{ if strchr(title, '*') != NULL }}
+			<p>"{{ title }}" has a '*' in it</p>
+			{{ if 1 }}
+				<p>tautology!</p>
+			{{ end }}
+		{{ else if strchr(title, '=') != NULL }}
+			<p>"{{ title }}" has a '=' in it!</p>
+		{{ else }}
+			<p>"{{ title }}" doesn't have a '*' in it</p>
+		{{ end }}
+		{{ render tp->tp_body }}
+	</body>
+</html>
+{{ finally }}
+{! free(foo); !}
+{{ end }}
blob - /dev/null
blob + 32240e27d9a6dbeeb395f7e760e2a043e29b939c (mode 644)
--- /dev/null
+++ template/regress/04.expected
@@ -0,0 +1,2 @@
+<!doctype html><html><head><title> *hello* </title></head><body><h1> *hello* </h1><p>" *hello* " has a '*' in it</p><p>tautology!</p></body></html>
+<!doctype html><html><head><title>&lt;hello&gt;</title></head><body><h1>&lt;hello&gt;</h1><p>"&lt;hello&gt;" doesn't have a '*' in it</p></body></html>
blob - /dev/null
blob + 0a1daeb5d04c95c9bfaa13fa6bd319e71f0c231e (mode 644)
--- /dev/null
+++ template/regress/05-loop.tmpl
@@ -0,0 +1,31 @@
+{!
+#include <sys/queue.h>
+#include <string.h>
+#include "lists.h"
+
+int	list(struct template *, struct tailhead *);
+
+!}
+
+{{ define base(struct template *tp, struct tailhead *head) }}
+<!doctype html>
+<html>
+	<body>
+		{{ render list(tp, head) }}
+	</body>
+</html>
+{{ end }}
+
+{{ define list(struct template *tp, struct tailhead *head) }}
+	{! struct entry *np; !}
+	{{ if !TAILQ_EMPTY(head) }}
+		<p>items:</p>
+		<ul>
+			{{ tailq-foreach np head entries }}
+				<li>{{ np->text }}</li>
+			{{ end }}
+		</ul>
+	{{ else }}
+		<p>no items</p>
+	{{ end }}
+{{ end }}
blob - /dev/null
blob + 1c17d8e4f2fb97529887c0f02f9ee8e6d8d77c08 (mode 644)
--- /dev/null
+++ template/regress/05.expected
@@ -0,0 +1,2 @@
+<!doctype html><html><body><p>items:</p><ul><li>1</li><li>2</li></ul></body></html>
+<!doctype html><html><body><p>no items</p></body></html>
blob - /dev/null
blob + b2dcc4306bba2066a2b6162240a848836820a343 (mode 644)
--- /dev/null
+++ template/regress/06-escape.tmpl
@@ -0,0 +1,14 @@
+{! #include <stdlib.h> !}
+
+{{ define base(struct template *tp, const char *title) }}
+<!doctype html>
+<html>
+	<head>
+		<title>{{ title | urlescape }}</title>
+	</head>
+	<body>
+		<h1>{{ title | unsafe }}</h1>
+		{{ render tp->tp_body }}
+	</body>
+</html>
+{{ end }}
blob - /dev/null
blob + 6a9d734b454093206236753143743d95d5e473af (mode 644)
--- /dev/null
+++ template/regress/06.expected
@@ -0,0 +1,2 @@
+<!doctype html><html><head><title>%20*hello*%20</title></head><body><h1> *hello* </h1></body></html>
+<!doctype html><html><head><title><hello></title></head><body><h1><hello></h1></body></html>
blob - /dev/null
blob + 2a90c70cd5e4af08090a85f82bcda63c20a83324 (mode 644)
--- /dev/null
+++ template/regress/Makefile
@@ -0,0 +1,55 @@
+REGRESS_TARGETS =	00-empty \
+			01-noise-only \
+			02-only-verbatim \
+			03-block \
+			04-flow \
+			05-loop \
+			06-escape
+
+REGRESS_SETUP_ONCE =	setup-comp
+REGRESS_CLEANUP =	clean-comp
+NO_OBJ =		Yes
+
+CFLAGS +=		-I${.CURDIR}/../
+
+setup-comp:
+	cp ${.CURDIR}/../tmpl.c .
+	ln -f ${.CURDIR}/../template template || \
+		ln -f ${.CURDIR}/../obj/template template
+
+clean-comp:
+	rm template
+	rm -f t got 0*.[cdo] runbase.[do] runlist.[do] tmpl.*
+
+.SUFFIXES: .tmpl .c .o
+
+.tmpl.c:
+	./template $? > $@
+
+00-empty:
+	./template 00-empty.tmpl >/dev/null
+
+01-noise-only:
+	./template 01-noise-only.tmpl >/dev/null
+
+02-only-verbatim: 02-only-verbatim.o tmpl.o
+	${CC} 02-only-verbatim.o tmpl.o -o t && ./t > got
+	diff -u ${.CURDIR}/02.expected got
+
+03-block: 03-block.o runbase.o tmpl.o
+	${CC} 03-block.o runbase.o tmpl.o -o t && ./t > got
+	diff -u ${.CURDIR}/03.expected got
+
+04-flow: 04-flow.o runbase.o tmpl.o
+	${CC} 04-flow.o runbase.o tmpl.o -o t && ./t > got
+	diff -u ${.CURDIR}/04.expected got
+
+05-loop: 05-loop.o runlist.o tmpl.o
+	${CC} 05-loop.o runlist.o tmpl.o -o t && ./t > got
+	diff -u ${.CURDIR}/05.expected got
+
+06-escape: 06-escape.o runbase.o tmpl.o
+	${CC} 06-escape.o runbase.o tmpl.o -o t && ./t > got
+	diff -u ${.CURDIR}/06.expected got
+
+.include <bsd.regress.mk>
blob - /dev/null
blob + 7229706ecd6bfb0bb2f38be92950b7082f7a6c41 (mode 644)
--- /dev/null
+++ template/regress/lists.h
@@ -0,0 +1,7 @@
+#include <sys/queue.h>
+
+TAILQ_HEAD(tailhead, entry);
+struct entry {
+	char	*text;
+	TAILQ_ENTRY(entry) entries;
+};
blob - /dev/null
blob + 079c1cdcd7646cc4367a33ddbc44e91dbe465c30 (mode 644)
--- /dev/null
+++ template/regress/runbase.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "tmpl.h"
+
+int	 base(struct template *, const char *title);
+
+int
+my_putc(struct template *tp, int c)
+{
+	FILE	*fp = tp->tp_arg;
+
+	if (putc(c, fp) < 0) {
+		tp->tp_ret = -1;
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+my_puts(struct template *tp, const char *s)
+{
+	FILE	*fp = tp->tp_arg;
+
+	if (fputs(s, fp) < 0) {
+		tp->tp_ret = -1;
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+main(int argc, char **argv)
+{
+	struct template *tp;
+
+	if ((tp = template(stdout, my_puts, my_putc)) == NULL)
+		err(1, "template");
+
+	base(tp, " *hello* ");
+	puts("");
+
+	template_reset(tp);
+
+	base(tp, "<hello>");
+	puts("");
+
+	free(tp);
+	return (0);
+}
blob - /dev/null
blob + 73afb09894b94e6728dbf1905ec8dae81608924f (mode 644)
--- /dev/null
+++ template/regress/runlist.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "tmpl.h"
+#include "lists.h"
+
+int	base(struct template *, struct tailhead *);
+
+int
+my_putc(struct template *tp, int c)
+{
+	FILE	*fp = tp->tp_arg;
+
+	if (putc(c, fp) < 0) {
+		tp->tp_ret = -1;
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+my_puts(struct template *tp, const char *s)
+{
+	FILE	*fp = tp->tp_arg;
+
+	if (fputs(s, fp) < 0) {
+		tp->tp_ret = -1;
+		return (-1);
+	}
+
+	return (0);
+}
+
+int
+main(int argc, char **argv)
+{
+	struct template	*tp;
+	struct tailhead	 head;
+	struct entry	*np;
+	int		 i;
+
+	if ((tp = template(stdout, my_puts, my_putc)) == NULL)
+		err(1, "template");
+
+	TAILQ_INIT(&head);
+	for (i = 0; i < 2; ++i) {
+		if ((np = calloc(1, sizeof(*np))) == NULL)
+			err(1, "calloc");
+		if (asprintf(&np->text, "%d", i+1) == -1)
+			err(1, "asprintf");
+		TAILQ_INSERT_TAIL(&head, np, entries);
+	}
+
+	base(tp, &head);
+	puts("");
+
+	while ((np = TAILQ_FIRST(&head))) {
+		TAILQ_REMOVE(&head, np, entries);
+		free(np->text);
+		free(np);
+	}
+
+	template_reset(tp);
+
+	base(tp, &head);
+	puts("");
+
+	free(tp);
+
+	return (0);
+}
blob - /dev/null
blob + f35c12a5a774cca9c6314d3441274f74714d17a9 (mode 644)
--- /dev/null
+++ template/template.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int	parse(const char *);
+
+int	nodebug;
+
+static void __dead
+usage(void)
+{
+	fprintf(stderr, "usage: %s [file...]\n",
+	    getprogname());
+	exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+	int	 ch, i;
+
+	if (pledge("stdio rpath", NULL) == -1)
+		err(1, "pledge");
+
+	while ((ch = getopt(argc, argv, "G")) != -1) {
+		switch (ch) {
+		case 'G':
+			nodebug = 1;
+			break;
+		default:
+			usage();
+		}
+	}
+	argc -= optind;
+	argv += optind;
+
+	/* preamble */
+	puts("#include \"tmpl.h\"");
+
+	if (argc == 0) {
+		parse("/dev/stdin");
+		exit(0);
+	}
+
+	for (i = 0; i < argc; ++i)
+		if (parse(argv[i]) == -1)
+			return (1);
+
+	return (0);
+}
blob - /dev/null
blob + 4cd589aa6877e36404e10e7bc59a5504d9548d55 (mode 644)
--- /dev/null
+++ template/tmpl.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "tmpl.h"
+
+int
+tp_urlescape(struct template *tp, const char *str)
+{
+	int	 r;
+	char	 tmp[4];
+
+	for (; *str; ++str) {
+		if (iscntrl((unsigned char)*str) ||
+		    isspace((unsigned char)*str) ||
+		    *str == '\'' || *str == '"' || *str == '\\') {
+			r = snprintf(tmp, sizeof(tmp), "%%%2X", *str);
+			if (r < 0  || (size_t)r >= sizeof(tmp)) {
+				tp->tp_ret = -1;
+				return (-1);
+			}
+			if (tp->tp_puts(tp, tmp) == -1)
+				return (-1);
+		} else {
+			if (tp->tp_putc(tp, *str) == -1)
+				return (-1);
+		}
+	}
+
+	return (0);
+}
+
+int
+tp_htmlescape(struct template *tp, const char *str)
+{
+	int r;
+
+	for (; *str; ++str) {
+		switch (*str) {
+		case '<':
+			r = tp->tp_puts(tp, "&lt;");
+			break;
+		case '>':
+			r = tp->tp_puts(tp, "&gt;");
+			break;
+		case '&':
+			r = tp->tp_puts(tp, "&amp;");
+			break;
+		case '"':
+			r = tp->tp_puts(tp, "&quot;");
+			break;
+		case '\'':
+			r = tp->tp_puts(tp, "&apos;");
+			break;
+		default:
+			r = tp->tp_putc(tp, *str);
+			break;
+		}
+
+		if (r == -1) {
+			tp->tp_ret = -1;
+			return (-1);
+		}
+	}
+
+	return (0);
+}
+
+struct template *
+template(void *arg, tmpl_puts putsfn, tmpl_putc putcfn)
+{
+	struct template *tp;
+
+	if ((tp = calloc(1, sizeof(*tp))) == NULL)
+		return (NULL);
+
+	tp->tp_arg = arg;
+	tp->tp_escape = tp_htmlescape;
+	tp->tp_puts = putsfn;
+	tp->tp_putc = putcfn;
+
+	return (tp);
+}
+
+void
+template_reset(struct template *tp)
+{
+	tp->tp_ret = 0;
+}
blob - /dev/null
blob + 8feca604eb6abd04507d15d39f8f0d847d55fbc9 (mode 644)
--- /dev/null
+++ template/tmpl.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2022 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef TMPL_H
+#define TMPL_H
+
+struct template;
+
+typedef int (*tmpl_puts)(struct template *, const char *);
+typedef int (*tmpl_putc)(struct template *, int);
+
+struct template {
+	void		*tp_arg;
+	tmpl_puts	 tp_escape;
+	tmpl_puts	 tp_puts;
+	tmpl_putc	 tp_putc;
+
+	int		 tp_ret;
+
+	int		(*tp_body)(struct template *);
+};
+
+int		 tp_urlescape(struct template *, const char *);
+int		 tp_htmlescape(struct template *, const char *);
+
+struct template	*template(void *, tmpl_puts, tmpl_putc);
+void		 template_reset(struct template *);
+
+#endif
blob - /dev/null
blob + 5361df7900f73db6d6af3195fc438d37b2020100 (mode 644)
--- /dev/null
+++ template/y.tab.c
@@ -0,0 +1,2051 @@
+/* A Bison parser, made by GNU Bison 3.7.6.  */
+
+/* Bison implementation for Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation,
+   Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+   simplifying the original so-called "semantic" parser.  */
+
+/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual,
+   especially those whose name start with YY_ or yy_.  They are
+   private implementation details that can be changed or removed.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output, and Bison version.  */
+#define YYBISON 30706
+
+/* Bison version string.  */
+#define YYBISON_VERSION "3.7.6"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 0
+
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+
+
+
+
+/* First part of user prologue.  */
+#line 24 "parse.y"
+
+
+#include <sys/queue.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifndef nitems
+#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
+#endif
+
+TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
+static struct file {
+	TAILQ_ENTRY(file)	 entry;
+	FILE			*stream;
+	char			*name;
+	size_t			 ungetpos;
+	size_t			 ungetsize;
+	u_char			*ungetbuf;
+	int			 eof_reached;
+	int			 lineno;
+	int			 errors;
+} *file, *topfile;
+int		 parse(const char *);
+struct file	*pushfile(const char *, int);
+int		 popfile(void);
+int		 yyparse(void);
+int		 yylex(void);
+int		 yyerror(const char *, ...)
+    __attribute__((__format__ (printf, 1, 2)))
+    __attribute__((__nonnull__ (1)));
+int		 kw_cmp(const void *, const void *);
+int		 lookup(char *);
+int		 igetc(void);
+int		 lgetc(int);
+void		 lungetc(int);
+int		 findeol(void);
+
+void		 dbg(void);
+void		 printq(const char *);
+
+extern int	 nodebug;
+
+static int	 block;
+static int	 in_define;
+static int	 errors;
+static char	 lerr[32];
+
+typedef struct {
+	union {
+		char		*string;
+	} v;
+	int lineno;
+} YYSTYPE;
+
+
+#line 134 "y.tab.c"
+
+# ifndef YY_CAST
+#  ifdef __cplusplus
+#   define YY_CAST(Type, Val) static_cast<Type> (Val)
+#   define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast<Type> (Val)
+#  else
+#   define YY_CAST(Type, Val) ((Type) (Val))
+#   define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val))
+#  endif
+# endif
+# ifndef YY_NULLPTR
+#  if defined __cplusplus
+#   if 201103L <= __cplusplus
+#    define YY_NULLPTR nullptr
+#   else
+#    define YY_NULLPTR 0
+#   endif
+#  else
+#   define YY_NULLPTR ((void*)0)
+#  endif
+# endif
+
+
+/* Debug traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+
+/* Token kinds.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+  enum yytokentype
+  {
+    YYEMPTY = -2,
+    YYEOF = 0,                     /* "end of file"  */
+    YYerror = 256,                 /* error  */
+    YYUNDEF = 257,                 /* "invalid token"  */
+    DEFINE = 258,                  /* DEFINE  */
+    ELSE = 259,                    /* ELSE  */
+    END = 260,                     /* END  */
+    ERROR = 261,                   /* ERROR  */
+    FINALLY = 262,                 /* FINALLY  */
+    IF = 263,                      /* IF  */
+    INCLUDE = 264,                 /* INCLUDE  */
+    RENDER = 265,                  /* RENDER  */
+    TQFOREACH = 266,               /* TQFOREACH  */
+    STRING = 267                   /* STRING  */
+  };
+  typedef enum yytokentype yytoken_kind_t;
+#endif
+/* Token kinds.  */
+#define YYEMPTY -2
+#define YYEOF 0
+#define YYerror 256
+#define YYUNDEF 257
+#define DEFINE 258
+#define ELSE 259
+#define END 260
+#define ERROR 261
+#define FINALLY 262
+#define IF 263
+#define INCLUDE 264
+#define RENDER 265
+#define TQFOREACH 266
+#define STRING 267
+
+/* Value type.  */
+
+
+extern YYSTYPE yylval;
+
+int yyparse (void);
+
+
+/* Symbol kind.  */
+enum yysymbol_kind_t
+{
+  YYSYMBOL_YYEMPTY = -2,
+  YYSYMBOL_YYEOF = 0,                      /* "end of file"  */
+  YYSYMBOL_YYerror = 1,                    /* error  */
+  YYSYMBOL_YYUNDEF = 2,                    /* "invalid token"  */
+  YYSYMBOL_DEFINE = 3,                     /* DEFINE  */
+  YYSYMBOL_ELSE = 4,                       /* ELSE  */
+  YYSYMBOL_END = 5,                        /* END  */
+  YYSYMBOL_ERROR = 6,                      /* ERROR  */
+  YYSYMBOL_FINALLY = 7,                    /* FINALLY  */
+  YYSYMBOL_IF = 8,                         /* IF  */
+  YYSYMBOL_INCLUDE = 9,                    /* INCLUDE  */
+  YYSYMBOL_RENDER = 10,                    /* RENDER  */
+  YYSYMBOL_TQFOREACH = 11,                 /* TQFOREACH  */
+  YYSYMBOL_STRING = 12,                    /* STRING  */
+  YYSYMBOL_13_ = 13,                       /* '!'  */
+  YYSYMBOL_14_ = 14,                       /* '{'  */
+  YYSYMBOL_15_ = 15,                       /* '}'  */
+  YYSYMBOL_YYACCEPT = 16,                  /* $accept  */
+  YYSYMBOL_grammar = 17,                   /* grammar  */
+  YYSYMBOL_include = 18,                   /* include  */
+  YYSYMBOL_verbatim = 19,                  /* verbatim  */
+  YYSYMBOL_verbatim1 = 20,                 /* verbatim1  */
+  YYSYMBOL_verbatims = 21,                 /* verbatims  */
+  YYSYMBOL_raw = 22,                       /* raw  */
+  YYSYMBOL_block = 23,                     /* block  */
+  YYSYMBOL_define = 24,                    /* define  */
+  YYSYMBOL_body = 25,                      /* body  */
+  YYSYMBOL_special = 26,                   /* special  */
+  YYSYMBOL_if = 27,                        /* if  */
+  YYSYMBOL_endif = 28,                     /* endif  */
+  YYSYMBOL_elsif = 29,                     /* elsif  */
+  YYSYMBOL_else = 30,                      /* else  */
+  YYSYMBOL_loop = 31,                      /* loop  */
+  YYSYMBOL_32_1 = 32,                      /* $@1  */
+  YYSYMBOL_end = 33,                       /* end  */
+  YYSYMBOL_finally = 34,                   /* finally  */
+  YYSYMBOL_35_2 = 35,                      /* $@2  */
+  YYSYMBOL_string = 36                     /* string  */
+};
+typedef enum yysymbol_kind_t yysymbol_kind_t;
+
+
+
+
+#ifdef short
+# undef short
+#endif
+
+/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure
+   <limits.h> and (if available) <stdint.h> are included
+   so that the code can choose integer types of a good width.  */
+
+#ifndef __PTRDIFF_MAX__
+# include <limits.h> /* INFRINGES ON USER NAME SPACE */
+# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+#  include <stdint.h> /* INFRINGES ON USER NAME SPACE */
+#  define YY_STDINT_H
+# endif
+#endif
+
+/* Narrow types that promote to a signed type and that can represent a
+   signed or unsigned integer of at least N bits.  In tables they can
+   save space and decrease cache pressure.  Promoting to a signed type
+   helps avoid bugs in integer arithmetic.  */
+
+#ifdef __INT_LEAST8_MAX__
+typedef __INT_LEAST8_TYPE__ yytype_int8;
+#elif defined YY_STDINT_H
+typedef int_least8_t yytype_int8;
+#else
+typedef signed char yytype_int8;
+#endif
+
+#ifdef __INT_LEAST16_MAX__
+typedef __INT_LEAST16_TYPE__ yytype_int16;
+#elif defined YY_STDINT_H
+typedef int_least16_t yytype_int16;
+#else
+typedef short yytype_int16;
+#endif
+
+/* Work around bug in HP-UX 11.23, which defines these macros
+   incorrectly for preprocessor constants.  This workaround can likely
+   be removed in 2023, as HPE has promised support for HP-UX 11.23
+   (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of
+   <https://h20195.www2.hpe.com/V2/getpdf.aspx/4AA4-7673ENW.pdf>.  */
+#ifdef __hpux
+# undef UINT_LEAST8_MAX
+# undef UINT_LEAST16_MAX
+# define UINT_LEAST8_MAX 255
+# define UINT_LEAST16_MAX 65535
+#endif
+
+#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST8_TYPE__ yytype_uint8;
+#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \
+       && UINT_LEAST8_MAX <= INT_MAX)
+typedef uint_least8_t yytype_uint8;
+#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX
+typedef unsigned char yytype_uint8;
+#else
+typedef short yytype_uint8;
+#endif
+
+#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__
+typedef __UINT_LEAST16_TYPE__ yytype_uint16;
+#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \
+       && UINT_LEAST16_MAX <= INT_MAX)
+typedef uint_least16_t yytype_uint16;
+#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX
+typedef unsigned short yytype_uint16;
+#else
+typedef int yytype_uint16;
+#endif
+
+#ifndef YYPTRDIFF_T
+# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__
+#  define YYPTRDIFF_T __PTRDIFF_TYPE__
+#  define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__
+# elif defined PTRDIFF_MAX
+#  ifndef ptrdiff_t
+#   include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  endif
+#  define YYPTRDIFF_T ptrdiff_t
+#  define YYPTRDIFF_MAXIMUM PTRDIFF_MAX
+# else
+#  define YYPTRDIFF_T long
+#  define YYPTRDIFF_MAXIMUM LONG_MAX
+# endif
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM                                  \
+  YY_CAST (YYPTRDIFF_T,                                 \
+           (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1)  \
+            ? YYPTRDIFF_MAXIMUM                         \
+            : YY_CAST (YYSIZE_T, -1)))
+
+#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X))
+
+
+/* Stored state numbers (used for stacks). */
+typedef yytype_int8 yy_state_t;
+
+/* State numbers in computations.  */
+typedef int yy_state_fast_t;
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(Msgid) Msgid
+# endif
+#endif
+
+
+#ifndef YY_ATTRIBUTE_PURE
+# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__)
+#  define YY_ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+#  define YY_ATTRIBUTE_PURE
+# endif
+#endif
+
+#ifndef YY_ATTRIBUTE_UNUSED
+# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+#  define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# else
+#  define YY_ATTRIBUTE_UNUSED
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YY_USE(E) ((void) (E))
+#else
+# define YY_USE(E) /* empty */
+#endif
+
+#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
+/* Suppress an incorrect diagnostic about yylval being uninitialized.  */
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN                            \
+    _Pragma ("GCC diagnostic push")                                     \
+    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")              \
+    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END      \
+    _Pragma ("GCC diagnostic pop")
+#else
+# define YY_INITIAL_VALUE(Value) Value
+#endif
+#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END
+#endif
+#ifndef YY_INITIAL_VALUE
+# define YY_INITIAL_VALUE(Value) /* Nothing. */
+#endif
+
+#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__
+# define YY_IGNORE_USELESS_CAST_BEGIN                          \
+    _Pragma ("GCC diagnostic push")                            \
+    _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"")
+# define YY_IGNORE_USELESS_CAST_END            \
+    _Pragma ("GCC diagnostic pop")
+#endif
+#ifndef YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_BEGIN
+# define YY_IGNORE_USELESS_CAST_END
+#endif
+
+
+#define YY_ASSERT(E) ((void) (0 && (E)))
+
+#if !defined yyoverflow
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+      /* Use EXIT_SUCCESS as a witness for stdlib.h.  */
+#     ifndef EXIT_SUCCESS
+#      define EXIT_SUCCESS 0
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's 'empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined EXIT_SUCCESS \
+       && ! ((defined YYMALLOC || defined malloc) \
+             && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef EXIT_SUCCESS
+#    define EXIT_SUCCESS 0
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined EXIT_SUCCESS
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined EXIT_SUCCESS
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* !defined yyoverflow */
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yy_state_t yyss_alloc;
+  YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
+
+# define YYCOPY_NEEDED 1
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   elements in the stack, and YYPTR gives the new location of the
+   stack.  Advance YYPTR to a properly aligned location for the next
+   stack.  */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
+    do                                                                  \
+      {                                                                 \
+        YYPTRDIFF_T yynewbytes;                                         \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
+        yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \
+        yyptr += yynewbytes / YYSIZEOF (*yyptr);                        \
+      }                                                                 \
+    while (0)
+
+#endif
+
+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from SRC to DST.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(Dst, Src, Count) \
+      __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src)))
+#  else
+#   define YYCOPY(Dst, Src, Count)              \
+      do                                        \
+        {                                       \
+          YYPTRDIFF_T yyi;                      \
+          for (yyi = 0; yyi < (Count); yyi++)   \
+            (Dst)[yyi] = (Src)[yyi];            \
+        }                                       \
+      while (0)
+#  endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  2
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   69
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  16
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  21
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  37
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  71
+
+/* YYMAXUTOK -- Last valid token kind.  */
+#define YYMAXUTOK   267
+
+
+/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex, with out-of-bounds checking.  */
+#define YYTRANSLATE(YYX)                                \
+  (0 <= (YYX) && (YYX) <= YYMAXUTOK                     \
+   ? YY_CAST (yysymbol_kind_t, yytranslate[YYX])        \
+   : YYSYMBOL_YYUNDEF)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex.  */
+static const yytype_int8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,    13,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,    14,     2,    15,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11,    12
+};
+
+#if YYDEBUG
+  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
+static const yytype_uint8 yyrline[] =
+{
+       0,    93,    93,    94,    95,    96,    97,   100,   115,   122,
+     123,   132,   133,   136,   146,   152,   159,   171,   172,   173,
+     174,   177,   187,   188,   189,   196,   203,   204,   205,   208,
+     215,   221,   221,   232,   235,   235,   241,   247
+};
+#endif
+
+/** Accessing symbol of state STATE.  */
+#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State])
+
+#if YYDEBUG || 0
+/* The user-facing name of the symbol whose (internal) number is
+   YYSYMBOL.  No bounds checking.  */
+static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED;
+
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "\"end of file\"", "error", "\"invalid token\"", "DEFINE", "ELSE",
+  "END", "ERROR", "FINALLY", "IF", "INCLUDE", "RENDER", "TQFOREACH",
+  "STRING", "'!'", "'{'", "'}'", "$accept", "grammar", "include",
+  "verbatim", "verbatim1", "verbatims", "raw", "block", "define", "body",
+  "special", "if", "endif", "elsif", "else", "loop", "$@1", "end",
+  "finally", "$@2", "string", YY_NULLPTR
+};
+
+static const char *
+yysymbol_name (yysymbol_kind_t yysymbol)
+{
+  return yytname[yysymbol];
+}
+#endif
+
+#ifdef YYPRINT
+/* YYTOKNUM[NUM] -- (External) token number corresponding to the
+   (internal) symbol number NUM (which must be that of a token).  */
+static const yytype_int16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   267,    33,   123,   125
+};
+#endif
+
+#define YYPACT_NINF (-21)
+
+#define yypact_value_is_default(Yyn) \
+  ((Yyn) == YYPACT_NINF)
+
+#define YYTABLE_NINF (-1)
+
+#define yytable_value_is_error(Yyn) \
+  0
+
+  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+     STATE-NUM.  */
+static const yytype_int8 yypact[] =
+{
+     -21,     5,   -21,   -21,     4,   -21,    14,   -21,   -21,   -21,
+     -21,   -21,     0,     8,    -3,   -21,   -21,     8,     6,   -21,
+      29,   -21,   -21,   -21,   -21,   -21,   -21,    10,   -21,   -21,
+      15,    20,     8,     8,    26,    27,    41,    38,   -21,   -21,
+     -21,    31,    47,    49,   -21,    21,   -21,   -21,   -21,   -21,
+     -21,   -21,   -21,    51,    -7,    41,    46,    52,    53,     8,
+     -21,   -21,    40,   -21,   -21,   -21,    54,   -21,   -21,    46,
+     -21
+};
+
+  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+     Performed when YYTABLE does not specify something else to do.  Zero
+     means the default is an error.  */
+static const yytype_int8 yydefact[] =
+{
+       2,     0,     1,     6,     0,     9,     0,     3,     4,     5,
+      17,     7,     0,     0,     0,    10,     8,    37,     0,    13,
+       0,    18,    19,    20,    17,    23,    14,     0,    36,    16,
+       0,     0,     0,     0,     0,     0,     0,     0,    15,    33,
+      34,     0,     0,     0,    24,     0,    22,    17,    17,    26,
+      11,    25,    21,     0,     0,     0,     0,    35,     0,     0,
+      30,    28,     0,    27,    12,    31,     0,    17,    29,     0,
+      32
+};
+
+  /* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+     -21,   -21,   -21,    -1,   -21,   -21,   -21,   -21,   -21,   -20,
+     -21,   -21,     9,   -21,   -21,   -21,   -21,   -12,   -21,   -21,
+     -10
+};
+
+  /* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+       0,     1,     7,    21,    12,    57,    22,     9,    10,    14,
+      23,    24,    46,    47,    48,    25,    67,    49,    27,    50,
+      35
+};
+
+  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
+     positive, shift that token.  If negative, reduce the rule whose
+     number is the opposite.  If YYTABLE_NINF, syntax error.  */
+static const yytype_int8 yytable[] =
+{
+       8,    59,    26,    18,    36,     2,     3,    28,    60,    19,
+       5,    20,    15,    16,     4,    38,    11,    13,     5,     6,
+      17,    29,    41,    42,    37,    54,    30,    55,    56,    32,
+      39,    33,    34,    17,    30,    40,    31,    32,    43,    33,
+      34,    17,    44,    30,    63,    30,    51,    69,    32,    66,
+      33,    34,    17,    19,     5,    45,    64,    70,    19,     5,
+      62,    53,    52,    58,    61,     5,     0,     0,    65,    68
+};
+
+static const yytype_int8 yycheck[] =
+{
+       1,     8,    14,    13,    24,     0,     1,    17,    15,    12,
+      13,    14,    12,    13,     9,    27,    12,     3,    13,    14,
+      12,    15,    32,    33,    14,     4,     5,    47,    48,     8,
+      15,    10,    11,    12,     5,    15,     7,     8,    12,    10,
+      11,    12,    15,     5,    56,     5,    15,    67,     8,    59,
+      10,    11,    12,    12,    13,    14,    57,    69,    12,    13,
+      14,    12,    15,    12,    55,    13,    -1,    -1,    15,    15
+};
+
+  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.  */
+static const yytype_int8 yystos[] =
+{
+       0,    17,     0,     1,     9,    13,    14,    18,    19,    23,
+      24,    12,    20,     3,    25,    12,    13,    12,    36,    12,
+      14,    19,    22,    26,    27,    31,    33,    34,    36,    15,
+       5,     7,     8,    10,    11,    36,    25,    14,    33,    15,
+      15,    36,    36,    12,    15,    14,    28,    29,    30,    33,
+      35,    15,    15,    12,     4,    25,    25,    21,    12,     8,
+      15,    28,    14,    33,    19,    15,    36,    32,    15,    25,
+      33
+};
+
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_int8 yyr1[] =
+{
+       0,    16,    17,    17,    17,    17,    17,    18,    19,    20,
+      20,    21,    21,    22,    23,    23,    24,    25,    25,    25,
+      25,    26,    26,    26,    26,    27,    28,    28,    28,    29,
+      30,    32,    31,    33,    35,    34,    36,    36
+};
+
+  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
+static const yytype_int8 yyr2[] =
+{
+       0,     2,     0,     2,     2,     2,     2,     2,     3,     0,
+       2,     0,     2,     1,     3,     4,     4,     0,     2,     2,
+       2,     4,     3,     1,     3,     4,     1,     3,     3,     5,
+       3,     0,     9,     3,     0,     5,     2,     1
+};
+
+
+enum { YYENOMEM = -2 };
+
+#define yyerrok         (yyerrstatus = 0)
+#define yyclearin       (yychar = YYEMPTY)
+
+#define YYACCEPT        goto yyacceptlab
+#define YYABORT         goto yyabortlab
+#define YYERROR         goto yyerrorlab
+
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)                                    \
+  do                                                              \
+    if (yychar == YYEMPTY)                                        \
+      {                                                           \
+        yychar = (Token);                                         \
+        yylval = (Value);                                         \
+        YYPOPSTACK (yylen);                                       \
+        yystate = *yyssp;                                         \
+        goto yybackup;                                            \
+      }                                                           \
+    else                                                          \
+      {                                                           \
+        yyerror (YY_("syntax error: cannot back up")); \
+        YYERROR;                                                  \
+      }                                                           \
+  while (0)
+
+/* Backward compatibility with an undocumented macro.
+   Use YYerror or YYUNDEF. */
+#define YYERRCODE YYUNDEF
+
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)                        \
+do {                                            \
+  if (yydebug)                                  \
+    YYFPRINTF Args;                             \
+} while (0)
+
+/* This macro is provided for backward compatibility. */
+# ifndef YY_LOCATION_PRINT
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+
+
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location)                    \
+do {                                                                      \
+  if (yydebug)                                                            \
+    {                                                                     \
+      YYFPRINTF (stderr, "%s ", Title);                                   \
+      yy_symbol_print (stderr,                                            \
+                  Kind, Value); \
+      YYFPRINTF (stderr, "\n");                                           \
+    }                                                                     \
+} while (0)
+
+
+/*-----------------------------------.
+| Print this symbol's value on YYO.  |
+`-----------------------------------*/
+
+static void
+yy_symbol_value_print (FILE *yyo,
+                       yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+  FILE *yyoutput = yyo;
+  YY_USE (yyoutput);
+  if (!yyvaluep)
+    return;
+# ifdef YYPRINT
+  if (yykind < YYNTOKENS)
+    YYPRINT (yyo, yytoknum[yykind], *yyvaluep);
+# endif
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  YY_USE (yykind);
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/*---------------------------.
+| Print this symbol on YYO.  |
+`---------------------------*/
+
+static void
+yy_symbol_print (FILE *yyo,
+                 yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep)
+{
+  YYFPRINTF (yyo, "%s %s (",
+             yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind));
+
+  yy_symbol_value_print (yyo, yykind, yyvaluep);
+  YYFPRINTF (yyo, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+static void
+yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop)
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)                            \
+do {                                                            \
+  if (yydebug)                                                  \
+    yy_stack_print ((Bottom), (Top));                           \
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+static void
+yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp,
+                 int yyrule)
+{
+  int yylno = yyrline[yyrule];
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n",
+             yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr,
+                       YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]),
+                       &yyvsp[(yyi + 1) - (yynrhs)]);
+      YYFPRINTF (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)          \
+do {                                    \
+  if (yydebug)                          \
+    yy_reduce_print (yyssp, yyvsp, Rule); \
+} while (0)
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args) ((void) 0)
+# define YY_SYMBOL_PRINT(Title, Kind, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+static void
+yydestruct (const char *yymsg,
+            yysymbol_kind_t yykind, YYSTYPE *yyvaluep)
+{
+  YY_USE (yyvaluep);
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp);
+
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  YY_USE (yykind);
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+/* Lookahead token kind.  */
+int yychar;
+
+/* The semantic value of the lookahead symbol.  */
+YYSTYPE yylval;
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+int
+yyparse (void)
+{
+    yy_state_fast_t yystate = 0;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus = 0;
+
+    /* Refer to the stacks through separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
+
+    /* Their size.  */
+    YYPTRDIFF_T yystacksize = YYINITDEPTH;
+
+    /* The state stack: array, bottom, top.  */
+    yy_state_t yyssa[YYINITDEPTH];
+    yy_state_t *yyss = yyssa;
+    yy_state_t *yyssp = yyss;
+
+    /* The semantic value stack: array, bottom, top.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs = yyvsa;
+    YYSTYPE *yyvsp = yyvs;
+
+  int yyn;
+  /* The return value of yyparse.  */
+  int yyresult;
+  /* Lookahead symbol kind.  */
+  yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY;
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yychar = YYEMPTY; /* Cause a token to be read.  */
+  goto yysetstate;
+
+
+/*------------------------------------------------------------.
+| yynewstate -- push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed.  So pushing a state here evens the stacks.  */
+  yyssp++;
+
+
+/*--------------------------------------------------------------------.
+| yysetstate -- set current state (the top of the stack) to yystate.  |
+`--------------------------------------------------------------------*/
+yysetstate:
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+  YY_ASSERT (0 <= yystate && yystate < YYNSTATES);
+  YY_IGNORE_USELESS_CAST_BEGIN
+  *yyssp = YY_CAST (yy_state_t, yystate);
+  YY_IGNORE_USELESS_CAST_END
+  YY_STACK_PRINT (yyss, yyssp);
+
+  if (yyss + yystacksize - 1 <= yyssp)
+#if !defined yyoverflow && !defined YYSTACK_RELOCATE
+    goto yyexhaustedlab;
+#else
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYPTRDIFF_T yysize = yyssp - yyss + 1;
+
+# if defined yyoverflow
+      {
+        /* Give user a chance to reallocate the stack.  Use copies of
+           these so that the &'s don't force the real ones into
+           memory.  */
+        yy_state_t *yyss1 = yyss;
+        YYSTYPE *yyvs1 = yyvs;
+
+        /* Each stack pointer address is followed by the size of the
+           data in use in that stack, in bytes.  This used to be a
+           conditional around just the two extra args, but that might
+           be undefined if yyoverflow is a macro.  */
+        yyoverflow (YY_("memory exhausted"),
+                    &yyss1, yysize * YYSIZEOF (*yyssp),
+                    &yyvs1, yysize * YYSIZEOF (*yyvsp),
+                    &yystacksize);
+        yyss = yyss1;
+        yyvs = yyvs1;
+      }
+# else /* defined YYSTACK_RELOCATE */
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+        goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+        yystacksize = YYMAXDEPTH;
+
+      {
+        yy_state_t *yyss1 = yyss;
+        union yyalloc *yyptr =
+          YY_CAST (union yyalloc *,
+                   YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize))));
+        if (! yyptr)
+          goto yyexhaustedlab;
+        YYSTACK_RELOCATE (yyss_alloc, yyss);
+        YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+#  undef YYSTACK_RELOCATE
+        if (yyss1 != yyssa)
+          YYSTACK_FREE (yyss1);
+      }
+# endif
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+      YY_IGNORE_USELESS_CAST_BEGIN
+      YYDPRINTF ((stderr, "Stack size increased to %ld\n",
+                  YY_CAST (long, yystacksize)));
+      YY_IGNORE_USELESS_CAST_END
+
+      if (yyss + yystacksize - 1 <= yyssp)
+        YYABORT;
+    }
+#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */
+
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
+  goto yybackup;
+
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+  /* Do appropriate processing given the current state.  Read a
+     lookahead token if we need one and don't already have one.  */
+
+  /* First try to decide what to do without reference to lookahead token.  */
+  yyn = yypact[yystate];
+  if (yypact_value_is_default (yyn))
+    goto yydefault;
+
+  /* Not known => get a lookahead token if don't already have one.  */
+
+  /* YYCHAR is either empty, or end-of-input, or a valid lookahead.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token\n"));
+      yychar = yylex ();
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = YYEOF;
+      yytoken = YYSYMBOL_YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else if (yychar == YYerror)
+    {
+      /* The scanner already issued an error message, process directly
+         to error recovery.  But do not keep the error token as
+         lookahead, it is too special and may lead us to an endless
+         loop in error recovery. */
+      yychar = YYUNDEF;
+      yytoken = YYSYMBOL_YYerror;
+      goto yyerrlab1;
+    }
+  else
+    {
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+    }
+
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yytable_value_is_error (yyn))
+        goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  /* Shift the lookahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+  yystate = yyn;
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     '$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+  case 6: /* grammar: grammar error  */
+#line 97 "parse.y"
+                                        { file->errors++; }
+#line 1256 "y.tab.c"
+    break;
+
+  case 7: /* include: INCLUDE STRING  */
+#line 100 "parse.y"
+                                 {
+			struct file	*nfile;
+
+			if ((nfile = pushfile((yyvsp[0].v.string), 0)) == NULL) {
+				yyerror("failed to include file %s", (yyvsp[0].v.string));
+				free((yyvsp[0].v.string));
+				YYERROR;
+			}
+			free((yyvsp[0].v.string));
+
+			file = nfile;
+			lungetc('\n');
+		}
+#line 1274 "y.tab.c"
+    break;
+
+  case 8: /* verbatim: '!' verbatim1 '!'  */
+#line 115 "parse.y"
+                                    {
+			if (in_define) {
+				/* TODO: check template status and exit in case */
+			}
+		}
+#line 1284 "y.tab.c"
+    break;
+
+  case 10: /* verbatim1: verbatim1 STRING  */
+#line 123 "parse.y"
+                                   {
+			if (*(yyvsp[0].v.string) != '\0') {
+				dbg();
+				puts((yyvsp[0].v.string));
+			}
+			free((yyvsp[0].v.string));
+		}
+#line 1296 "y.tab.c"
+    break;
+
+  case 13: /* raw: STRING  */
+#line 136 "parse.y"
+                         {
+			dbg();
+			printf("if (tp->tp_puts(tp, ");
+			printq((yyvsp[0].v.string));
+			printf(") == -1) goto %s;\n", lerr);
+
+			free((yyvsp[0].v.string));
+		}
+#line 1309 "y.tab.c"
+    break;
+
+  case 14: /* block: define body end  */
+#line 146 "parse.y"
+                                  {
+			printf("%s:\n", lerr);
+			puts("return tp->tp_ret;");
+			puts("}");
+			in_define = 0;
+		}
+#line 1320 "y.tab.c"
+    break;
+
+  case 15: /* block: define body finally end  */
+#line 152 "parse.y"
+                                          {
+			puts("return tp->tp_ret;");
+			puts("}");
+			in_define = 0;
+		}
+#line 1330 "y.tab.c"
+    break;
+
+  case 16: /* define: '{' DEFINE string '}'  */
+#line 159 "parse.y"
+                                        {
+			in_define = 1;
+			(void)snprintf(lerr, sizeof(lerr), "err%llu",
+			    (unsigned long long)arc4random());
+
+			dbg();
+			printf("int\n%s\n{\n", (yyvsp[-1].v.string));
+
+			free((yyvsp[-1].v.string));
+		}
+#line 1345 "y.tab.c"
+    break;
+
+  case 21: /* special: '{' RENDER string '}'  */
+#line 177 "parse.y"
+                                        {
+			dbg();
+			if (strrchr((yyvsp[-1].v.string), ')') != NULL)
+				printf("if (%s == -1) goto %s;\n",
+				    (yyvsp[-1].v.string), lerr);
+			else
+				printf("if (%s != NULL && %s(tp) == -1) "
+				    "goto %s;\n", (yyvsp[-1].v.string), (yyvsp[-1].v.string), lerr);
+			free((yyvsp[-1].v.string));
+		}
+#line 1360 "y.tab.c"
+    break;
+
+  case 22: /* special: if body endif  */
+#line 187 "parse.y"
+                                                { puts("}"); }
+#line 1366 "y.tab.c"
+    break;
+
+  case 24: /* special: '{' string '}'  */
+#line 189 "parse.y"
+                                 {
+			dbg();
+			printf("if (tp->tp_escape(tp, %s) == -1) goto %s;\n",
+			    (yyvsp[-1].v.string), lerr);
+		}
+#line 1376 "y.tab.c"
+    break;
+
+  case 25: /* if: '{' IF string '}'  */
+#line 196 "parse.y"
+                                    {
+			dbg();
+			printf("if (%s) {\n", (yyvsp[-1].v.string));
+			free((yyvsp[-1].v.string));
+		}
+#line 1386 "y.tab.c"
+    break;
+
+  case 29: /* elsif: '{' ELSE IF string '}'  */
+#line 208 "parse.y"
+                                         {
+			dbg();
+			printf("} else if (%s) {\n", (yyvsp[-1].v.string));
+			free((yyvsp[-1].v.string));
+		}
+#line 1396 "y.tab.c"
+    break;
+
+  case 30: /* else: '{' ELSE '}'  */
+#line 215 "parse.y"
+                               {
+			dbg();
+			puts("} else {");
+		}
+#line 1405 "y.tab.c"
+    break;
+
+  case 31: /* $@1: %empty  */
+#line 221 "parse.y"
+                                                         {
+			printf("TAILQ_FOREACH(%s, %s, %s) {\n",
+			    (yyvsp[-3].v.string), (yyvsp[-2].v.string), (yyvsp[-1].v.string));
+			free((yyvsp[-3].v.string));
+			free((yyvsp[-2].v.string));
+			free((yyvsp[-1].v.string));
+		}
+#line 1417 "y.tab.c"
+    break;
+
+  case 32: /* loop: '{' TQFOREACH STRING STRING STRING '}' $@1 body end  */
+#line 227 "parse.y"
+                           {
+			puts("}");
+		}
+#line 1425 "y.tab.c"
+    break;
+
+  case 34: /* $@2: %empty  */
+#line 235 "parse.y"
+                                  {
+			dbg();
+			printf("%s:\n", lerr);
+		}
+#line 1434 "y.tab.c"
+    break;
+
+  case 36: /* string: STRING string  */
+#line 241 "parse.y"
+                                {
+			if (asprintf(&(yyval.v.string), "%s %s", (yyvsp[-1].v.string), (yyvsp[0].v.string)) == -1)
+				err(1, "asprintf");
+			free((yyvsp[-1].v.string));
+			free((yyvsp[0].v.string));
+		}
+#line 1445 "y.tab.c"
+    break;
+
+
+#line 1449 "y.tab.c"
+
+      default: break;
+    }
+  /* User semantic actions sometimes alter yychar, and that requires
+     that yytoken be updated with the new translation.  We take the
+     approach of translating immediately before every use of yytoken.
+     One alternative is translating here after every semantic action,
+     but that translation would be missed if the semantic action invokes
+     YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+     if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
+     incorrect destructor might then be invoked immediately.  In the
+     case of YYERROR or YYBACKUP, subsequent parser actions might lead
+     to an incorrect destructor call or verbose syntax error message
+     before the lookahead is translated.  */
+  YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+
+  *++yyvsp = yyval;
+
+  /* Now 'shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
+  {
+    const int yylhs = yyr1[yyn] - YYNTOKENS;
+    const int yyi = yypgoto[yylhs] + *yyssp;
+    yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp
+               ? yytable[yyi]
+               : yydefgoto[yylhs]);
+  }
+
+  goto yynewstate;
+
+
+/*--------------------------------------.
+| yyerrlab -- here on detecting error.  |
+`--------------------------------------*/
+yyerrlab:
+  /* Make sure we have latest lookahead translation.  See comments at
+     user semantic actions for why this is necessary.  */
+  yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar);
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+      yyerror (YY_("syntax error"));
+    }
+
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse lookahead token after an
+         error, discard it.  */
+
+      if (yychar <= YYEOF)
+        {
+          /* Return failure if at end of input.  */
+          if (yychar == YYEOF)
+            YYABORT;
+        }
+      else
+        {
+          yydestruct ("Error: discarding",
+                      yytoken, &yylval);
+          yychar = YYEMPTY;
+        }
+    }
+
+  /* Else will try to reuse lookahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+  /* Pacify compilers when the user code never invokes YYERROR and the
+     label yyerrorlab therefore never appears in user code.  */
+  if (0)
+    YYERROR;
+
+  /* Do not reclaim the symbols of the rule whose action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;      /* Each real token shifted decrements this.  */
+
+  /* Pop stack until we find a state that shifts the error token.  */
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (!yypact_value_is_default (yyn))
+        {
+          yyn += YYSYMBOL_YYerror;
+          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror)
+            {
+              yyn = yytable[yyn];
+              if (0 < yyn)
+                break;
+            }
+        }
+
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+        YYABORT;
+
+
+      yydestruct ("Error: popping",
+                  YY_ACCESSING_SYMBOL (yystate), yyvsp);
+      YYPOPSTACK (1);
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
+    }
+
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp);
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+
+#if !defined yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));
+  yyresult = 2;
+  goto yyreturn;
+#endif
+
+
+/*-------------------------------------------------------.
+| yyreturn -- parsing is finished, clean up and return.  |
+`-------------------------------------------------------*/
+yyreturn:
+  if (yychar != YYEMPTY)
+    {
+      /* Make sure we have latest lookahead translation.  See comments at
+         user semantic actions for why this is necessary.  */
+      yytoken = YYTRANSLATE (yychar);
+      yydestruct ("Cleanup: discarding lookahead",
+                  yytoken, &yylval);
+    }
+  /* Do not reclaim the symbols of the rule whose action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+                  YY_ACCESSING_SYMBOL (+*yyssp), yyvsp);
+      YYPOPSTACK (1);
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+
+  return yyresult;
+}
+
+#line 250 "parse.y"
+
+
+struct keywords {
+	const char	*k_name;
+	int		 k_val;
+};
+
+int
+yyerror(const char *fmt, ...)
+{
+	va_list	 ap;
+	char	*msg;
+
+	file->errors++;
+	va_start(ap, fmt);
+	if (vasprintf(&msg, fmt, ap) == -1)
+		err(1, "yyerror vasprintf");
+	va_end(ap);
+	fprintf(stderr, "%s:%d: %s\n", file->name, yylval.lineno, msg);
+	free(msg);
+	return (0);
+}
+
+int
+kw_cmp(const void *k, const void *e)
+{
+	return (strcmp(k, ((const struct keywords *)e)->k_name));
+}
+
+int
+lookup(char *s)
+{
+	/* this has to be sorted always */
+	static const struct keywords keywords[] = {
+		{ "define",		DEFINE },
+		{ "else",		ELSE },
+		{ "end",		END },
+		{ "finally",		FINALLY },
+		{ "if",			IF },
+		{ "include",		INCLUDE },
+		{ "render",		RENDER },
+		{ "tailq-foreach",	TQFOREACH },
+	};
+	const struct keywords	*p;
+
+	p = bsearch(s, keywords, nitems(keywords), sizeof(keywords[0]),
+	    kw_cmp);
+
+	if (p)
+		return (p->k_val);
+	else
+		return (STRING);
+}
+
+#define START_EXPAND	1
+#define DONE_EXPAND	2
+
+static int	expanding;
+
+int
+igetc(void)
+{
+	int	c;
+
+	while (1) {
+		if (file->ungetpos > 0)
+			c = file->ungetbuf[--file->ungetpos];
+		else
+			c = getc(file->stream);
+
+		if (c == START_EXPAND)
+			expanding = 1;
+		else if (c == DONE_EXPAND)
+			expanding = 0;
+		else
+			break;
+	}
+	return (c);
+}
+
+int
+lgetc(int quotec)
+{
+	int		c, next;
+
+	if (quotec) {
+		if ((c = igetc()) == EOF) {
+			yyerror("reached end of filewhile parsing "
+			    "quoted string");
+			if (file == topfile || popfile() == EOF)
+				return (EOF);
+			return (quotec);
+		}
+		return (c);
+	}
+
+	while ((c = igetc()) == '\\') {
+		next = igetc();
+		if (next != '\n') {
+			c = next;
+			break;
+		}
+		yylval.lineno = file->lineno;
+		file->lineno++;
+	}
+	if (c == '\t' || c == ' ') {
+		/* Compress blanks to a sigle space. */
+		do {
+			c = getc(file->stream);
+		} while (c == '\t'  || c == ' ');
+		ungetc(c, file->stream);
+		c = ' ';
+	}
+
+	if (c == EOF) {
+		/*
+		 * Fake EOL when hit EOF for the first time. This gets line
+		 * count rigchtif last line included file is syntactically
+		 * invalid and has no newline.
+		 */
+		if (file->eof_reached == 0) {
+			file->eof_reached = 1;
+			return ('\n');
+		}
+		while (c == EOF) {
+			if (file == topfile || popfile() == EOF)
+				return (EOF);
+			c = igetc();
+		}
+	}
+	return (c);
+}
+
+void
+lungetc(int c)
+{
+	if (c == EOF)
+		return;
+
+	if (file->ungetpos >= file->ungetsize) {
+		void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
+		if (p == NULL)
+			err(1, "reallocarray");
+		file->ungetbuf = p;
+		file->ungetsize *= 2;
+	}
+	file->ungetbuf[file->ungetpos++] = c;
+}
+
+int
+findeol(void)
+{
+	int	c;
+
+	/* skip to either EOF or the first real EOL */
+	while (1) {
+		c = lgetc(0);
+		if (c == '\n') {
+			file->lineno++;
+			break;
+		}
+		if (c == EOF)
+			break;
+	}
+	return (ERROR);
+}
+
+int
+yylex(void)
+{
+	char		 buf[8096];
+	char		*p = buf;
+	int		 c;
+	int		 token;
+	int		 starting = 0;
+	int		 ending = 0;
+
+	if (!in_define && block == 0) {
+		while ((c = lgetc(0)) != '{' && c != EOF) {
+			if (c == '\n')
+				file->lineno++;
+		}
+
+		if (c == EOF)
+			return (0);
+
+newblock:
+		c = lgetc(0);
+		if (c == '{' || c == '!') {
+			if (c == '{')
+				block = '}';
+			else
+				block = c;
+			return (c);
+		}
+		if (c == '\n')
+			file->lineno++;
+	}
+
+	while ((c = lgetc(0)) == ' ' || c == '\t' || c == '\n') {
+		if (c == '\n')
+			file->lineno++;
+	}
+
+	if (c == EOF) {
+		yyerror("unterminated block");
+		return (0);
+	}
+
+	yylval.lineno = file->lineno;
+
+	if (block != 0 && c == block) {
+		if ((c = lgetc(0)) == '}') {
+			if (block == '!') {
+				block = 0;
+				return ('!');
+			}
+			block = 0;
+			return ('}');
+		}
+		lungetc(c);
+		c = block;
+	}
+
+	if (in_define && block == 0) {
+		if (c == '{')
+			goto newblock;
+
+		do {
+			if (starting) {
+				if (c == '!' || c == '{') {
+					lungetc('{');
+					lungetc(c);
+					break;
+				}
+				starting = 0;
+				lungetc(c);
+				c = '{';
+			} else if (c == '{') {
+				starting = 1;
+				continue;
+			}
+
+			*p++ = c;
+			if ((size_t)(p - buf) >= sizeof(buf)) {
+				yyerror("string too long");
+				return (findeol());
+			}
+		} while ((c = lgetc(0)) != EOF && c != '\n');
+		*p = '\0';
+		if (c == EOF) {
+			yyerror("unterminated block");
+			return (0);
+		}
+		if (c == '\n')
+			file->lineno++;
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+		return (STRING);
+	}
+
+	if (block == '!') {
+		do {
+			if (ending) {
+				if (c == '}') {
+					lungetc(c);
+					lungetc(block);
+					break;
+				}
+				ending = 0;
+				lungetc(c);
+				c = block;
+			} else if (c == '!') {
+				ending = 1;
+				continue;
+			}
+
+			*p++ = c;
+			if ((size_t)(p - buf) >= sizeof(buf)) {
+				yyerror("line too long");
+				return (findeol());
+			}
+		} while ((c = lgetc(0)) != EOF && c != '\n');
+		*p = '\0';
+
+		if (c == EOF) {
+			yyerror("unterminated block");
+			return (0);
+		}
+		if (c == '\n')
+			file->lineno++;
+
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+		return (STRING);
+	}
+
+	do {
+		if (ending) {
+			if (c == '}') {
+				lungetc(c);
+				lungetc('}');
+				break;
+			}
+			ending = 0;
+			lungetc(c);
+			c = block;
+		} else if (c == '}') {
+			ending = 1;
+			continue;
+		}
+
+		*p++ = c;
+		if ((size_t)(p - buf) >= sizeof(buf)) {
+			yyerror("string too long");
+			return (findeol());
+		}
+	} while ((c = lgetc(0)) != EOF && !isspace((unsigned char)c));
+	*p = '\0';
+
+	if (c == EOF) {
+		yyerror("unterminated block");
+		return (0);
+	}
+	if (c ==  '\n')
+		file->lineno++;
+	if ((token = lookup(buf)) == STRING)
+		if ((yylval.v.string = strdup(buf)) == NULL)
+			err(1, "strdup");
+	return (token);
+}
+
+struct file *
+pushfile(const char *name, int secret)
+{
+	struct file	*nfile;
+
+	if ((nfile = calloc(1, sizeof(*nfile))) == NULL)
+		err(1, "calloc");
+	if ((nfile->name = strdup(name)) == NULL)
+		err(1, "strdup");
+	if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
+		warn("can't open %s", nfile->name);
+		free(nfile->name);
+		free(nfile);
+		return (NULL);
+	}
+	nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
+	nfile->ungetsize = 16;
+	nfile->ungetbuf = malloc(nfile->ungetsize);
+	if (nfile->ungetbuf == NULL)
+		err(1, "malloc");
+	TAILQ_INSERT_TAIL(&files, nfile, entry);
+	return (nfile);
+}
+
+int
+popfile(void)
+{
+	struct file	*prev;
+
+	if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
+		prev->errors += file->errors;
+
+	TAILQ_REMOVE(&files, file, entry);
+	fclose(file->stream);
+	free(file->name);
+	free(file->ungetbuf);
+	free(file);
+	file = prev;
+	return (file ? 0 : EOF);
+}
+
+int
+parse(const char *filename)
+{
+	if ((file = pushfile(filename, 0)) == 0)
+		return (-1);
+	topfile = file;
+
+	yyparse();
+	errors = file->errors;
+	popfile();
+
+	return (errors ? -1 : 0);
+}
+
+void
+dbg(void)
+{
+	if (nodebug)
+		return;
+
+	printf("#line %d ", yylval.lineno);
+	printq(file->name);
+	putchar('\n');
+}
+
+void
+printq(const char *str)
+{
+	putchar('"');
+	for (; *str; ++str) {
+		if (*str == '"')
+			putchar('\\');
+		putchar(*str);
+	}
+	putchar('"');
+}