From a5892287ba6f2b64e883f9f36a8687c3c9f5790c Mon Sep 17 00:00:00 2001
From: Case Duckworth
Date: Fri, 2 Feb 2024 10:26:52 -0600
Subject: Make everything better

---
 subtext.awk | 29 ++++++++++++++---------------
 1 file changed, 14 insertions(+), 15 deletions(-)

(limited to 'subtext.awk')

diff --git a/subtext.awk b/subtext.awk
index c45aae4..2eedeeb 100644
--- a/subtext.awk
+++ b/subtext.awk
@@ -10,20 +10,14 @@ BEGIN {
 	## Tuneables
 	dryrun = dryrun ? dryrun : 0
 	sopath = sopath ? sopath : ".:" ENVIRON["HOME"] "/.subtext"
-	bodyend = bodyend ? bodyend : "_@end@_"
+	shxend = shxend ? shxend : "%%end"
 	## Kernel
 	# Ask sed to do these b/c awk has no capture groups ;_;
 	shellfix = "sed -E" \
 		" -e 's/`/\\\\`/g'" \
 		" -e 's/(^|[^\\$])\\$([^\\$]|$)/\\1\\\\$\\2/g'" \
 		" -e 's/(^|[^\\$])\\$(\\$+)([^\\$]|$)/\\1\\2\\3/g'"
-	shxwrap = " -e 's/^/:/'"
-	kernel = "quote()(sed \"s/^/$1/\")\n" \
-		"unquote()(sed \"s/^$1//\")\n" \
-		"shexpand()(eval " \
-		"\"$(echo 'cat<<" bodyend "';cat;echo " bodyend ")\")\n" \
-		"shellfix()(" shellfix ")\n" \
-		"ST_SOPATH=" sopath
+	shxquote = " -e 's/^/:/'"
 }
 
 /\\$/ { # line continuation
@@ -47,7 +41,7 @@ BEGIN {
 /^\.\./ { # block
 	body = body (body?"\n":"") \
 		"$$(unquote + << .." \
-		(length>2 ? " | " substr($1,3) " " quote(2) : "") \
+		(length>2 ? " | " substr($1,3) " " shquote(2) : "") \
 		slurp("..") \
 		"..\n)"
 	next
@@ -55,7 +49,7 @@ BEGIN {
 
 /^\./ { # line
 	body = body (body?"\n":"") \
-		"$$(" substr($1, 2) " " quote(2) ")"
+		"$$(" substr($1, 2) " " shquote(2) ")"
 	next
 }
 
@@ -72,20 +66,25 @@ END {
 
 	print "#!/bin/sh"
 	print "### generated with subtext"
-	print kernel
+	print "quote()(sed \"s/^/$1/\")"
+	print "unquote()(sed \"s/^$1//\")"
+	printf "shexpand()(eval \"$(echo 'cat<<%s';cat;echo '%s')\")\n", \
+		shxend, shxend
+	printf "shellfix()(%s)\n", shellfix
+	printf "ST_SOPATH=%s\n", sopath
 	print "### head"
 	print head
 	print "### body"
-	print "body(){ shexpand << \\_"
+	print "body(){ unquote : << \\_ | shexpand"
 	pushpar()
-	print body | shellfix
-	close(shellfix)
+	print body | (shellfix shxquote)
+	close(shellfix shxquote)
 	print "_"
 	print "}"
 	if (!dryrun) print "body"
 }
 
-function quote(begin, end,	out) {
+function shquote(begin, end,	out) {
 	if (!begin) begin = 1
 	if (!end) end = NF
 	for (i=begin; i<=NF; i++) {
-- 
cgit 1.4.1-21-gabe81