From cd477d605690500e2e00bd5b3805240ffd7644bb Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Mon, 20 Mar 2023 12:01:09 +0100
Subject: Clean up code generation script and opcodes.

---
 tools/gencode.js | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 tools/gencode.py | 77 -------------------------------------------
 2 files changed, 99 insertions(+), 77 deletions(-)
 create mode 100644 tools/gencode.js
 delete mode 100644 tools/gencode.py

(limited to 'tools')

diff --git a/tools/gencode.js b/tools/gencode.js
new file mode 100644
index 0000000..c2071bb
--- /dev/null
+++ b/tools/gencode.js
@@ -0,0 +1,99 @@
+"use strict"
+
+let fs = require("fs")
+
+let pc = 0
+let UCODE = Array(72).fill(0)
+let SCODE = Array(72).fill(0)
+
+function emit(line) {
+	++pc
+	line[0] = "vm_" + line[0]
+	for (let i = 1; i < line.length; ++i) {
+		if (typeof line[i] === "string" && line[i][0] === "(" && !line[i].match(/\)=>/))
+			line[i] = "()=>" + line[i]
+	}
+	console.log("\t[ " + line.join(", ") + " ],")
+}
+
+console.log("const CODE = [")
+
+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 = line.split(" ")
+	switch (line[0]) {
+	case "EVENT":
+		emit(["return"])
+		UCODE[line[1]] = pc
+		console.log("// EVENT " + line[1])
+		break
+	case "SHADED":
+		emit(["return"])
+		SCODE[line[1]] = pc
+		console.log("// SHADED " + line[1])
+		break
+
+	case "space_opt":
+		emit([ "space", 0, 1, line[1], "(s)=>" + line.slice(2).join(" ") ])
+		break
+	case "space":
+		emit([ "space", 0, 0, line[1], "(s)=>" + line.slice(2).join(" ") ])
+		break
+	case "space_undo_opt":
+		emit([ "space", 1, 1, line[1], "(s)=>" + line.slice(2).join(" ") ])
+		break
+	case "space_undo":
+		emit([ "space", 1, 0, line[1], "(s)=>" + line.slice(2).join(" ") ])
+		break
+
+	case "piece_opt":
+		emit([ "piece", 0, 1, line[1], "(s,p)=>" + line.slice(2).join(" ") ])
+		break
+	case "piece":
+		emit([ "piece", 0, 0, line[1], "(s,p)=>" + line.slice(2).join(" ") ])
+		break
+	case "piece_undo_opt":
+		emit([ "piece", 1, 1, line[1], "(s,p)=>" + line.slice(2).join(" ") ])
+		break
+	case "piece_undo":
+		emit([ "piece", 1, 0, line[1], "(s,p)=>" + line.slice(2).join(" ") ])
+		break
+
+	case "place_opt":
+		emit([ "place", 0, 1, line[1], line[2] ])
+		break
+	case "place":
+		emit([ "place", 0, 0, line[1], line[2] ])
+		break
+	case "place_undo_opt":
+		emit([ "place", 1, 1, line[1], line[2] ])
+		break
+	case "place_undo":
+		emit([ "place", 1, 0, line[1], line[2] ])
+		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("const UCODE = " + JSON.stringify(UCODE))
+console.log("const SCODE = " + JSON.stringify(SCODE))
diff --git a/tools/gencode.py b/tools/gencode.py
deleted file mode 100644
index c02f24d..0000000
--- a/tools/gencode.py
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/bin/env python3
-
-code = {}
-buf = []
-event = 0
-
-def flush_code():
-	global buf
-	if event > 0:
-		code[event] = buf
-		buf = []
-
-event = 0
-for line in open("events.txt").readlines():
-	line = line.strip()
-	if line == "EOF":
-		break
-	elif line == "":
-		continue
-	elif line.startswith("#"):
-		continue
-	elif line.startswith("EVENT"):
-		flush_code()
-		event = (int(line.split()[1]) << 1)
-	elif line.startswith("SHADED"):
-		flush_code()
-		event = (int(line.split()[1]) << 1) + 1
-	else:
-		buf.append(line)
-
-flush_code()
-
-code_index = ["-1"] * (72 * 2)
-
-pc = 0
-print("const CODE = [")
-for event in range(2,146):
-	if event & 1 == 1:
-		print("\t// SHADED", event >> 1)
-	else:
-		print("\t// EVENT", event >> 1)
-	if not event in code:
-		print("\t// TODO")
-		continue
-	code_index[event-2] = str(pc)
-	for line in code[event]:
-		if line.startswith('space'):
-			line = line.split(' ', 2)
-			print('\t[ vm_'+line[0]+', ' + line[1] + ', (s)=>' + line[2] + ' ],')
-		elif line.startswith('piece'):
-			line = line.split(' ', 2)
-			print('\t[ vm_'+line[0]+', ' + line[1] + ', (p,s)=>' + line[2] + ' ],')
-		elif line.startswith('while'):
-			line = line.split(' ', 1)
-			print('\t[ vm_while, ()=>' + line[1] + ' ],')
-		elif line.startswith('if'):
-			line = line.split(' ', 1)
-			print('\t[ vm_if, ()=>' + line[1] + ' ],')
-		elif line.startswith('prompt'):
-			line = line.split(' ', 1)
-			print('\t[ vm_prompt, "' + line[1] + '" ],')
-		elif line.startswith('log'):
-			line = line.split(' ', 1)
-			print('\t[ vm_log, "' + line[1] + '" ],')
-		else:
-			line = line.split(' ')
-			cmd = line[0]
-			args = [ ("()=>" + x if x[0] == '(' else x) for x in line[1:] ]
-			if len(args) > 0:
-				print('\t[ vm_' + cmd + ', ' + ', '.join(args) + ' ],')
-			else:
-				print('\t[ vm_' + cmd + ' ],')
-		pc = pc + 1
-	print('\t[ vm_return ],')
-	pc = pc + 1
-print("]")
-print("const CODE_INDEX = [ " + ", ".join(code_index) + " ]")
-- 
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