v/v.v

115 lines
2.7 KiB
V
Executable File

// Copyright (c) 2019 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 (
compiler
benchmark
os
//time
)
fn main() {
//t := time.ticks()
//defer { println(time.ticks() - t) }
// There's no `flags` module yet, so args have to be parsed manually
args := compiler.env_vflags_and_os_args()
options := args.filter(it.starts_with('-'))
commands := args.filter(!it.starts_with('-'))
// Print the version and exit.
if '-v' in options || '--version' in options || 'version' in commands {
version_hash := compiler.vhash()
println('V $compiler.Version $version_hash')
return
}
else if '-h' in options || '--help' in options || 'help' in commands {
println(compiler.help_text)
return
}
else if 'translate' in commands {
println('Translating C to V will be available in V 0.3')
return
}
else if 'up' in commands {
compiler.update_v()
return
}
else if 'get' in commands {
println('use `v install` to install modules from vpm.vlang.io ')
return
}
else if 'symlink' in commands {
compiler.create_symlink()
return
}
else if 'install' in commands {
compiler.install_v(args)
return
}
// TODO quit if the v compiler is too old
// u := os.file_last_mod_unix('v')
// If there's no tmp path with current version yet, the user must be using a pre-built package
//
// Just fmt and exit
else if 'fmt' in commands {
compiler.vfmt(args)
return
}
else if 'test' in commands {
compiler.launch_tool('vtest')
return
}
// Generate the docs and exit
else if 'doc' in commands {
vexe := os.executable()
vdir := os.dir(os.executable())
os.chdir(vdir)
mod := args.last()
os.system('$vexe build module vlib/' + args.last())
txt := os.read_file('$compiler.v_modules_path/vlib/${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 {
// always recompile for now, too error prone to skip recompilation otherwise
// for example for -repl usage, especially when piping lines to v
v.compile()
v.run_compiled_executable_and_exit()
}
// No args? REPL
if args.len < 2 || (args.len == 2 && args[1] == '-') || 'runrepl' in args {
compiler.run_repl()
return
}
mut tmark := benchmark.new_benchmark()
v.compile()
if v.pref.is_stats {
tmark.stop()
println( 'compilation took: ' + tmark.total_duration().str() + 'ms')
}
if v.pref.is_test {
v.run_compiled_executable_and_exit()
}
v.finalize_compilation()
}