Adds most of the toolsHEADmaster

1 files changed, 96 insertions, 0 deletions

diff --git a/v_windows/v/old/vlib/builtin/js/builtin.v b/v_windows/v/old/vlib/builtin/js/builtin.v
new file mode 100644
index 0000000..86b60ad
--- /dev/null
+++ b/v_windows/v/old/vlib/builtin/js/builtin.v
@@ -0,0 +1,96 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module builtin
+
+fn (a any) toString()
+
+pub fn println(s any) {
+	// Quickfix to properly print basic types
+	// TODO: Add proper detection code for this
+	JS.console.log(s.toString())
+}
+
+pub fn print(s any) {
+	// TODO
+	// $if js.node {
+	JS.process.stdout.write(s.toString())
+	// } $else {
+	//	panic('Cannot `print` in a browser, use `println` instead')
+	// }
+}
+
+pub fn eprintln(s any) {
+	JS.console.error(s.toString())
+}
+
+pub fn eprint(s any) {
+	// TODO
+	// $if js.node {
+	JS.process.stderr.write(s.toString())
+	// } $else {
+	//	panic('Cannot `eprint` in a browser, use `eprintln` instead')
+	// }
+}
+
+// Exits the process in node, and halts execution in the browser
+// because `process.exit` is undefined. Workaround for not having
+// a 'real' way to exit in the browser.
+pub fn exit(c int) {
+	JS.process.exit(c)
+	js_throw('exit($c)')
+}
+
+pub fn unwrap(opt any) any {
+	o := &Option(opt)
+	if o.state != 0 {
+		js_throw(o.err)
+	}
+	return opt
+}
+
+pub fn panic(s string) {
+	eprintln('V panic: $s')
+	exit(1)
+}
+
+struct Option {
+	state byte
+	err   Error
+}
+
+pub struct Error {
+pub:
+	msg  string
+	code int
+}
+
+pub fn (o Option) str() string {
+	if o.state == 0 {
+		return 'Option{ ok }'
+	}
+	if o.state == 1 {
+		return 'Option{ none }'
+	}
+	return 'Option{ error: "$o.err" }'
+}
+
+pub fn error(s string) Option {
+	return Option{
+		state: 2
+		err: Error{
+			msg: s
+		}
+	}
+}
+
+pub fn error_with_code(s string, code int) Option {
+	return Option{
+		state: 2
+		err: Error{
+			msg: s
+			code: code
+		}
+	}
+}