move v.v to cmd/v

cmd/tools/vcreate.v

@@ -0,0 +1,55 @@
+// Copyright (c) 2019-2020 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 main
+
+import (
+	os
+)
+
+struct Create {
+mut:
+	name string
+	description string
+}
+
+fn cerror(e string){
+	eprintln('\nerror: $e')
+}
+
+fn (c Create)write_vmod() {
+	mut vmod := os.create('${c.name}/v.mod') or { cerror(err) exit(1) }
+	mut vmod_content := []string
+	vmod_content << '#V Project#\n'
+	vmod_content << 'Module {'
+	vmod_content << '	name: \'${c.name}\','
+	vmod_content << '	description: \'${c.description}\','
+	vmod_content << '	dependencies: []'
+	vmod_content << '}'
+	vmod.write(vmod_content.join('\n'))
+}
+
+fn (c Create)write_main() {
+	mut main := os.create('${c.name}/${c.name}.v') or {	cerror(err) exit(2)	}
+	mut main_content := []string
+	main_content << 'module main\n'
+	main_content << 'fn main() {'
+	main_content << '	println(\'Hello World !\')'
+	main_content << '}'
+	main.write(main_content.join('\n'))
+}
+
+fn main() {
+	mut c := Create{}
+	print('Choose your project name: ')
+	c.name = os.get_line()
+	print('Choose your project description: ')
+	c.description = os.get_line()
+	println('Initialising ...')
+	if (os.is_dir(c.name)) { cerror('folder already exists') exit(3) }
+	os.mkdir(c.name) or { panic(err) }
+	c.write_vmod()
+	c.write_main()
+	println('Complete !')
+}