1 files changed, 106 insertions, 0 deletions
diff --git a/tools/gencode.js b/tools/gencode.js
new file mode 100644
index 0000000..f2e3a26
--- /dev/null
+++ b/tools/gencode.js
@@ -0,0 +1,106 @@
+"use strict"
+
+let fs = require("fs")
+
+let pc = 0
+
+function tokenize(s) {
+	let list = []
+	let p = 0,
+		n = s.length
+	while (p < n) {
+		while (p < n && s[p] === " ")
+			++p
+		if (p < n) {
+			let m = p
+			while (p < n && s[p] !== " ") {
+				let q = s[p++]
+				switch (q) {
+					case "(":
+					case "[":
+					case "{":
+						for (let x = 1; p < n && x > 0; ++p) {
+							switch (s[p]) {
+								case "(":
+								case "[":
+								case "{":
+									++x
+									break
+								case ")":
+								case "]":
+								case "}":
+									--x
+									break
+							}
+						}
+						break
+					case '"':
+					case "'":
+					case "`":
+						while (p < n && s[p] !== q)
+							++p
+					break
+				}
+			}
+			list.push(s.substring(m, p))
+		}
+	}
+	return list
+}
+
+function emit(line) {
+	++pc
+	line[0] = "vm_" + line[0]
+	for (let i = 1; i < line.length; ++i) {
+		if (typeof line[i] === "string") {
+			if (line[i] === "all")
+				line[i] = 999
+			if (line[i][0] === "(" && !line[i].match(/\)=>/))
+				line[i] = "()=>" + line[i]
+			if (line[i][0] === "`")
+				line[i] = "()=>" + line[i]
+		}
+	}
+	console.log("\t[ " + line.join(", ") + " ],")
+}
+
+console.log("const CODE = []")
+let first = false
+
+for (let line of fs.readFileSync("events.txt", "utf-8").split("\n")) {
+	line = line.trim()
+	if (line.length === 0 || line[0] === "#")
+		continue
+	if (line === "EOF")
+		break
+	line = tokenize(line)
+	switch (line[0]) {
+	case "CARD":
+		if (first++) {
+			emit(["return"])
+			console.log("]")
+		}
+		console.log("")
+		console.log("CODE[" + line[1] + "] = [ // " + line.slice(3).join(" "))
+		break
+
+	case "log":
+	case "prompt":
+		emit([ line[0], line.slice(1).join(" ") ])
+		break
+
+	case "asm":
+	case "if":
+	case "while":
+		emit([ line[0], "()=>" + line.slice(1).join(" ") ])
+		break
+
+	default:
+		emit(line)
+		break
+	}
+}
+
+emit(["return"])
+console.log("]")
+console.log("// #endregion")