improve repl

1 files changed, 32 insertions, 33 deletions

diff --git a/mp b/mp
index 6bd2fdf..816994c 100755
--- a/mp
+++ b/mp
@@ -10,45 +10,38 @@ BEGIN {
 		"  Prints cmd help or general help text.\n" \
 		"  Example: help help\n"
 
+SUBSEP="."
 	filename = ARGV[1]
 	ARGV[1] = "/dev/stdin"
 	tty = 1 - system("test -t 0")
 	if (filename) src = getfile(filename)
-	prompt("mp-" version " meta parser. Type \"help\" for help.\n")
-}
-{ ERROR = "" }
-$1 == "help" {
-	prompt(help[$2])
-	next
-}
-$1 == "src" {
-	printf "%s", src
-	prompt()
-	next
-}
-$1 == "read" {
-	sub(/^[[:space:]]+/, "")
-	$0 = substr($0, 6)
-	src = getfile($0)
-	prompt()
-	next
-}
-$1 == "format" {
-	print format_json(v, "", $2)
-	prompt()
-	next
-}
-$1 == "parse" {
-	delete v
-	sub(/^[[:space:]]+/, "")
-	$0 = substr($0, 7)
-	if ($0) src = $0
-	parse_json(src, v)
-	prompt()
-	next
+	prompt("mp-" version " meta parser. Try \"help\".\n")
 }
 {
-	if (NF) error("invalid command: " $1)
+	ERROR = ""
+	if ($1 == "help") {
+		print help[$2]
+	} else if ($1 == "src") {
+		printf "%s", src
+	} else if ($1 == "format") {
+		print format_json(v, "", $2)
+	} else if ($1 == "key") {
+		key(v, $2)
+	} else if ($1 == "keys") {
+		for (k in v) print k
+	} else if ($1 == "parse") {
+		delete v
+		sub(/^[[:space:]]+/, "")
+		$0 = substr($0, 7)
+		if ($0) src = $0
+		parse_json(src, v)
+	} else if ($1 == "read") {
+		sub(/^[[:space:]]+/, "")
+		$0 = substr($0, 6)
+		src = getfile($0)
+	} else if (NF) {
+		error("invalid command: " $1)
+	}
 	prompt()
 }
 END { if (ERROR) exit 1 }
@@ -160,3 +153,9 @@ function space(n,  i, s) {
 	for (i = 0; i < n; i++) s = s " "
 	return s
 }
+
+function key(a, s, p, k) {
+	print "# s:" s
+	if (a[p, "type"] == "object") {
+	}
+}