1 files changed, 63 insertions, 0 deletions
diff --git a/misc/yosysjs/yosyswrk.js b/misc/yosysjs/yosyswrk.js
new file mode 100644
index 000000000..b6173439f
--- /dev/null
+++ b/misc/yosysjs/yosyswrk.js
@@ -0,0 +1,63 @@
+var Module = {};
+var verbose_mode = false;
+var text_buffer = "";
+
+Module["printErr"] = Module["print"] = function(text) {
+	if (verbose_mode)
+		console.log(text);
+	text_buffer += text + "\n";
+}
+
+importScripts('yosys.js');
+
+onmessage = function(e) {
+	var request = e.data[0];
+	var response = { "idx": request.idx, "args": [] };
+
+	if (request.mode == "run") {
+		response["errmsg"] = "";
+		try {
+			text_buffer = "";
+			Module.ccall('run', '', ['string'], [request.cmd]);
+		} catch (e) {
+			response.errmsg = Module.ccall('errmsg', 'string', [], []);
+		}
+		response.args.push(text_buffer);
+		response.args.push(response.errmsg);
+		text_buffer = "";
+	}
+
+	if (request.mode == "read_file") {
+		try {
+			response.args.push(FS.readFile(request.filename, {encoding: 'utf8'}));
+		} catch (e) { }
+	}
+
+	if (request.mode == "write_file") {
+		try {
+			FS.writeFile(request.filename, request.text, {encoding: 'utf8'});
+		} catch (e) { }
+	}
+
+	if (request.mode == "read_dir") {
+		try {
+			response.args.push(FS.readdir(request.dirname));
+		} catch (e) { }
+	}
+
+	if (request.mode == "remove_file") {
+		try {
+			FS.unlink(request.filename);
+		} catch (e) { }
+	}
+
+	if (request.mode == "verbose") {
+		if (request.value)
+			console.log(text_buffer);
+		verbose_mode = request.value;
+	}
+
+	postMessage([response]);
+}
+
+postMessage([{ "idx": 0, "args": [] }]);