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error on an incorrect V command

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This commit is contained in:
Alexander Medvednikov 2019-12-15 04:51:18 +03:00
parent 5971aa7fef
commit 12ebed0589
2 changed files with 79 additions and 60 deletions
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129
v.v
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@ -12,6 +12,12 @@ import (
//time
)
const (
known_commands = ['run', 'build', 'version', 'doc']
simple_tools = ['up', 'create', 'test', 'test-compiler', 'build-tools',
'build-examples', 'build-vbinaries']
)
fn main() {
//t := time.ticks()
//defer { println(time.ticks() - t) }
@ -22,81 +28,37 @@ fn main() {
// NOT passed through VFLAGS, otherwise the naked `v` invocation for
// the repl does not work when you have VFLAGS with -cc or -cflags set
// which may be surprising to v users.
stuff_after_executable := os.args[1..]
commands := stuff_after_executable.filter(!it.starts_with('-'))
simple_tools := ['up', 'create', 'test', 'test-compiler', 'build-tools', 'build-examples', 'build-vbinaries']
for tool in simple_tools {
if tool in commands {
compiler.launch_tool('v$tool')
command := if os.args.len > 1 { os.args[1] } else { '' }
// external tool
if command in simple_tools {
compiler.launch_tool('v' + command)
return
}
// v run, v doc, etc
if !command.starts_with('-') && !os.exists(command) {
v_command(command, args)
}
// Print the version and exit.
if '-v' in options || '--version' in options || 'version' in commands {
if '-v' in options || '--version' in options {
version_hash := compiler.vhash()
println('V $compiler.Version $version_hash')
return
}
else if '-h' in options || '--help' in options || 'help' in commands {
else if '-h' in options || '--help' in options {
println(compiler.help_text)
return
}
else if 'translate' in commands {
println('Translating C to V will be available in V 0.3 (January)')
return
}
else if 'search' in commands || 'install' in commands || 'update' in commands || 'remove' in commands {
compiler.launch_tool('vpm')
return
}
else if ('get' in commands) { // obsoleted
println('use `v install` to install modules from vpm.vlang.io ')
return
}
else if 'symlink' in commands {
compiler.create_symlink()
return
}
// TODO quit if the v compiler is too old
// u := os.file_last_mod_unix('v')
// If there's no tmp path with current version yet, the user must be using a pre-built package
//
// Just fmt and exit
else if 'fmt' in commands {
compiler.vfmt(args)
return
}
// No args? REPL
else if 'runrepl' in commands || commands.len == 0 || (args.len == 2 && args[1] == '-') {
else if command == '' || (args.len == 2 && args[1] == '-') {
compiler.launch_tool('vrepl')
return
}
// Generate the docs and exit
else if 'doc' in commands {
vexe := os.executable()
vdir := os.dir(os.executable())
os.chdir(vdir)
mod := args.last()
os.system('$vexe build module vlib$os.path_separator' + args.last())
txt := os.read_file(filepath.join(compiler.v_modules_path, 'vlib', '${mod}.vh')) or {
panic(err)
}
println(txt)
exit(0)
// v.gen_doc_html_for_module(args.last())
}
else {
//println('unknown command/argument\n')
//println(compiler.help_text)
}
// Construct the V object from command line arguments
mut v := compiler.new_v(args)
if v.pref.is_verbose {
println(args)
}
if 'run' in args {
if command == 'run' {
// always recompile for now, too error prone to skip recompilation otherwise
// for example for -repl usage, especially when piping lines to v
v.compile()
@ -118,3 +80,60 @@ fn main() {
v.finalize_compilation()
}
fn v_command(command string, args []string) {
match command {
'', '.', 'run' {
}
'version' {
println('V $compiler.Version $compiler.vhash()')
return
}
'help' {
println(compiler.help_text)
return
}
'translate' {
println('Translating C to V will be available in V 0.3 (January)')
return
}
'search', 'install', 'update' {
compiler.launch_tool('vpm')
}
'get' {
println('use `v install` to install modules from vpm.vlang.io ')
return
}
'symlink' {
compiler.create_symlink()
return
}
'fmt' {
compiler.vfmt(args)
return
}
'runrepl' {
compiler.launch_tool('vrepl')
return
}
'doc' {
vexe := os.executable()
vdir := os.dir(os.executable())
os.chdir(vdir)
mod := args.last()
os.system('$vexe build module vlib$os.path_separator' + args.last())
txt := os.read_file(filepath.join(compiler.v_modules_path, 'vlib', '${mod}.vh')) or {
panic(err)
}
println(txt)
exit(0)
// v.gen_doc_html_for_module(args.last())
}
else {
println('v $command: unknown command')
println('Run "v help" for usage.')
return
}
}
}