v/cmd/v/v.v

100 lines
2.6 KiB
V

// 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 help
import os
import v.pref
import v.util
import v.builder
const (
simple_cmd = [
'fmt', 'up', 'vet',
'self', 'tracev', 'symlink', 'bin2v',
'test', 'test-fmt', 'test-compiler', 'test-fixed', 'test-vet',
'repl',
'build-tools', 'build-examples',
'build-vbinaries',
'setup-freetype', 'doc', 'doctor'
]
list_of_flags_that_allow_duplicates = ['cc', 'd', 'define', 'cf', 'cflags']
)
fn main() {
args := os.args[1..]
// args = 123
if args.len == 0 || args[0] in ['-', 'repl'] {
// Running `./v` without args launches repl
if args.len == 0 && is_atty(0) != 0 {
println('Welcome to the V REPL (for help with V itself, type `exit`, then run `v help`).')
}
util.launch_tool(false, 'vrepl', os.args[1..])
return
}
args_and_flags := util.join_env_vflags_and_os_args()[1..]
prefs, command := pref.parse_args(args_and_flags)
if prefs.is_verbose {
// println('args= ')
// println(args) // QTODO
// println('prefs= ')
// println(prefs) // QTODO
}
// Start calling the correct functions/external tools
// Note for future contributors: Please add new subcommands in the `match` block below.
if command in simple_cmd {
// External tools
util.launch_tool(prefs.is_verbose, 'v' + command, os.args[1..])
return
}
match command {
'help' {
invoke_help_and_exit(args)
}
'new', 'init' {
util.launch_tool(prefs.is_verbose, 'vcreate', os.args[1..])
return
}
'translate' {
println('Translating C to V will be available in V 0.3')
return
}
'search', 'install', 'update', 'upgrade', 'outdated', 'list', 'remove' {
util.launch_tool(prefs.is_verbose, 'vpm', os.args[1..])
return
}
'vlib-docs' {
util.launch_tool(prefs.is_verbose, 'vdoc', ['doc', 'vlib'])
}
'get' {
println('V Error: Use `v install` to install modules from vpm.vlang.io')
exit(1)
}
'version' {
println(util.full_v_version(prefs.is_verbose))
return
}
else {}
}
if command in ['run', 'build', 'build-module'] || command.ends_with('.v') || os.exists(command) {
// println('command')
// println(prefs.path)
builder.compile(command, prefs)
return
}
eprintln('v $command: unknown command\nRun "v help" for usage.')
exit(1)
}
fn invoke_help_and_exit(remaining []string) {
match remaining.len {
0, 1 { help.print_and_exit('default') }
2 { help.print_and_exit(remaining[1]) }
else {}
}
println('V Error: Expected only one help topic to be provided.')
println('For usage information, use `v help`.')
exit(1)
}