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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
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+++ b/v_windows/v/old/vlib/builtin/js/builtin.v
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+// 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
+ }
+ }
+}