115 lines
2.7 KiB
V
Executable File
115 lines
2.7 KiB
V
Executable File
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module main
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import (
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compiler
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benchmark
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os
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//time
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)
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fn main() {
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//t := time.ticks()
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//defer { println(time.ticks() - t) }
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// There's no `flags` module yet, so args have to be parsed manually
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args := compiler.env_vflags_and_os_args()
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options := args.filter(it.starts_with('-'))
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commands := args.filter(!it.starts_with('-'))
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// Print the version and exit.
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if '-v' in options || '--version' in options || 'version' in commands {
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version_hash := compiler.vhash()
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println('V $compiler.Version $version_hash')
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return
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}
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else if '-h' in options || '--help' in options || 'help' in commands {
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println(compiler.help_text)
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return
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}
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else if 'translate' in commands {
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println('Translating C to V will be available in V 0.3')
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return
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}
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else if 'up' in commands {
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compiler.launch_tool('vup')
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return
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}
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else if 'get' in commands {
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println('use `v install` to install modules from vpm.vlang.io ')
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return
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}
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else if 'symlink' in commands {
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compiler.create_symlink()
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return
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}
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else if 'install' in commands {
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compiler.install_v(args)
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return
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}
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// TODO quit if the v compiler is too old
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// u := os.file_last_mod_unix('v')
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// If there's no tmp path with current version yet, the user must be using a pre-built package
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//
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// Just fmt and exit
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else if 'fmt' in commands {
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compiler.vfmt(args)
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return
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}
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else if 'test' in commands {
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compiler.launch_tool('vtest')
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return
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}
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// Generate the docs and exit
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else if 'doc' in commands {
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vexe := os.executable()
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vdir := os.dir(os.executable())
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os.chdir(vdir)
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mod := args.last()
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os.system('$vexe build module vlib/' + args.last())
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txt := os.read_file('$compiler.v_modules_path/vlib/${mod}.vh') or {
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panic(err)
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}
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println(txt)
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exit(0)
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// v.gen_doc_html_for_module(args.last())
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} else {
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//println('unknown command/argument\n')
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//println(compiler.help_text)
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}
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// Construct the V object from command line arguments
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mut v := compiler.new_v(args)
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if v.pref.is_verbose {
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println(args)
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}
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if 'run' in args {
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// always recompile for now, too error prone to skip recompilation otherwise
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// for example for -repl usage, especially when piping lines to v
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v.compile()
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v.run_compiled_executable_and_exit()
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}
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// No args? REPL
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if args.len < 2 || (args.len == 2 && args[1] == '-') || 'runrepl' in args {
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compiler.run_repl()
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return
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}
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mut tmark := benchmark.new_benchmark()
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v.compile()
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if v.pref.is_stats {
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tmark.stop()
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println( 'compilation took: ' + tmark.total_duration().str() + 'ms')
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}
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if v.pref.is_test {
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v.run_compiled_executable_and_exit()
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}
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v.finalize_compilation()
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}
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