More framework error handling.

Docs typo.

2 files changed, 19 insertions, 8 deletions

diff --git a/docs/module/rules.md b/docs/module/rules.md
index 7f9ae2d..427556c 100644
--- a/docs/module/rules.md
+++ b/docs/module/rules.md
@@ -255,7 +255,7 @@ to the state (from a nested state), and when the state is departed.
 
 You can use this to do some house-keeping or initialize the L scope.
 
-	S.state.remove_3_pieces = {
+	S.remove_3_pieces = {
 		_begin() {
 			L.count = 3
 		},
diff --git a/public/common/framework.js b/public/common/framework.js
index a1601b7..f0a1abe 100644
--- a/public/common/framework.js
+++ b/public/common/framework.js
@@ -225,12 +225,16 @@ function _run() {
 	for (var i = 0; i < 1000 && L; ++i) {
 		var prog = P[L.P]
 		if (prog) {
-			if (typeof prog === "function")
+			if (typeof prog === "function") {
 				prog()
-			else if (L.I < prog.length)
-				prog[L.I++]()
-			else
-				end()
+			} else if (Array.isArray(prog)) {
+				if (L.I < prog.length)
+					prog[L.I++]()
+				else
+					end()
+			} else {
+				throw new Error("invalid procedure: P." + L.P)
+			}
 		} else {
 			return
 		}
@@ -483,12 +487,19 @@ function _parse(text) {
 
 function script(text) {
 	script.cache ??= {}
+	var prog = []
 	try {
-		return _parse(text).map(inst => script.cache[inst] ??= eval("(function(){" + inst + "})"))
+		for (var inst of _parse(text)) {
+			try {
+				prog.push(script.cache[inst] ??= eval("(function(){" + inst + "})"))
+			} catch (err) {
+				return err.message + " - " + inst
+			}
+		}
 	} catch (err) {
-		// return the error message so we can attach the script name and re-raise later
 		return err.message
 	}
+	return prog
 }
 
 (function () {