mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
973 lines
24 KiB
V
973 lines
24 KiB
V
// 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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os
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time
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strings
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)
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const (
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Version = '0.1.18'
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)
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enum BuildMode {
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// `v program.v'
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// Build user code only, and add pre-compiled vlib (`cc program.o builtin.o os.o...`)
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default_mode
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// `v -embed_vlib program.v`
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// vlib + user code in one file (slower compilation, but easier when working on vlib and cross-compiling)
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embed_vlib
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// `v -lib ~/v/os`
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// build any module (generate os.o + os.vh)
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build //TODO a better name would be smth like `.build_module` I think
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}
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const (
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SupportedPlatforms = ['windows', 'mac', 'linux', 'freebsd', 'openbsd', 'netbsd', 'dragonfly', 'msvc']
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ModPath = os.home_dir() + '/.vmodules/'
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)
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enum OS {
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mac
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linux
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windows
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freebsd
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openbsd
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netbsd
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dragonfly
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msvc
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}
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enum Pass {
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// A very short pass that only looks at imports in the beginning of
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// each file
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imports
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// First pass, only parses and saves declarations (fn signatures,
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// consts, types).
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// Skips function bodies.
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// We need this because in V things can be used before they are
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// declared.
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decl
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// Second pass, parses function bodies and generates C or machine code.
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main
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}
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struct V {
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mut:
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os OS // the OS to build for
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out_name_c string // name of the temporary C file
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files []string // all V files that need to be parsed and compiled
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dir string // directory (or file) being compiled (TODO rename to path?)
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table *Table // table with types, vars, functions etc
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cgen *CGen // C code generator
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pref *Preferences // all the prefrences and settings extracted to a struct for reusability
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lang_dir string // "~/code/v"
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out_name string // "program.exe"
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vroot string
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mod string // module being built with -lib
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//parsers []Parser
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}
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struct Preferences {
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mut:
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build_mode BuildMode
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nofmt bool // disable vfmt
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is_test bool // `v test string_test.v`
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is_script bool // single file mode (`v program.v`), main function can be skipped
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is_live bool // for hot code reloading
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is_so bool
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is_prof bool // benchmark every function
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translated bool // `v translate doom.v` are we running V code translated from C? allow globals, ++ expressions, etc
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is_prod bool // use "-O2"
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is_verbose bool // print extra information with `v.log()`
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obfuscate bool // `v -obf program.v`, renames functions to "f_XXX"
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is_repl bool
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is_run bool
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show_c_cmd bool // `v -show_c_cmd` prints the C command to build program.v.c
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sanitize bool // use Clang's new "-fsanitize" option
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is_debuggable bool
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is_debug bool // keep compiled C files
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no_auto_free bool // `v -nofree` disable automatic `free()` insertion for better performance in some applications (e.g. compilers)
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cflags string // Additional options which will be passed to the C compiler.
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// For example, passing -cflags -Os will cause the C compiler to optimize the generated binaries for size.
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// You could pass several -cflags XXX arguments. They will be merged with each other.
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// You can also quote several options at the same time: -cflags '-Os -fno-inline-small-functions'.
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ccompiler string // the name of the used C compiler
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}
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fn main() {
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// There's no `flags` module yet, so args have to be parsed manually
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args := env_vflags_and_os_args()
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// Print the version and exit.
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if '-v' in args || '--version' in args || 'version' in args {
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println('V $Version')
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return
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}
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if '-h' in args || '--help' in args || 'help' in args {
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println(HelpText)
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return
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}
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if 'translate' in args {
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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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if 'up' in args {
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update_v()
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return
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}
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if 'get' in args {
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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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if 'symlink' in args {
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create_symlink()
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return
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}
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if args.join(' ').contains(' test v') {
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test_v()
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return
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}
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if 'install' in args {
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if args.len < 3 {
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println('usage: v install [module] [module] [...]')
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return
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}
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names := args.slice(2, args.len)
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vexec := os.executable()
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vroot := os.dir(vexec)
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vget := '$vroot/tools/vget'
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if true {
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//println('Building vget...')
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os.chdir(vroot + '/tools')
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vgetcompilation := os.exec('$vexec -o $vget vget.v') or {
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cerror(err)
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return
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}
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if vgetcompilation.exit_code != 0 {
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cerror( vgetcompilation.output )
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return
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}
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}
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vgetresult := os.exec('$vget ' + names.join(' ')) or {
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cerror(err)
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return
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}
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if vgetresult.exit_code != 0 {
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cerror( vgetresult.output )
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return
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}
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return
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}
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// TODO quit if the 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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// Copy the `vlib` directory to the tmp path.
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/*
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// TODO
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if !os.file_exists(TmpPath) && os.file_exists('vlib') {
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}
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*/
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// Just fmt and exit
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if 'fmt' in args {
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file := args.last()
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if !os.file_exists(file) {
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println('"$file" does not exist')
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exit(1)
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}
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if !file.ends_with('.v') {
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println('v fmt can only be used on .v files')
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exit(1)
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}
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println('vfmt is temporarily disabled')
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return
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}
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// v get sqlite
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if 'get' in args {
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// Create the modules directory if it's not there.
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if !os.file_exists(ModPath) {
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os.mkdir(ModPath)
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}
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}
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// No args? REPL
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if args.len < 2 || (args.len == 2 && args[1] == '-') {
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run_repl()
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return
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}
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// Construct the V object from command line arguments
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mut v := 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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// Generate the docs and exit
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if 'doc' in args {
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// v.gen_doc_html_for_module(args.last())
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exit(0)
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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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v.compile()
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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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}
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fn (v mut V) compile() {
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// Emily: Stop people on linux from being able to build with msvc
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if os.user_os() != 'windows' && v.os == .msvc {
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cerror('Cannot build with msvc on ${os.user_os()}')
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}
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mut cgen := v.cgen
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cgen.genln('// Generated by V')
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// Add builtin parsers
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for i, file in v.files {
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// v.parsers << v.new_parser(file)
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}
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v.add_v_files_to_compile()
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if v.pref.is_verbose {
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println('all .v files:')
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println(v.files)
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}
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// First pass (declarations)
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for file in v.files {
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mut p := v.new_parser(file)
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p.parse(.decl)
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}
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// Main pass
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cgen.pass = Pass.main
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if v.pref.is_debug {
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cgen.genln('#define VDEBUG (1) ')
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}
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cgen.genln(CommonCHeaders)
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v.generate_hotcode_reloading_declarations()
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imports_json := v.table.imports.contains('json')
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// TODO remove global UI hack
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if v.os == .mac && ((v.pref.build_mode == .embed_vlib && v.table.imports.contains('ui')) ||
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(v.pref.build_mode == .build && v.dir.contains('/ui'))) {
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cgen.genln('id defaultFont = 0; // main.v')
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}
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// We need the cjson header for all the json decoding user will do in default mode
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if v.pref.build_mode == .default_mode {
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if imports_json {
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cgen.genln('#include "cJSON.h"')
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}
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}
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if v.pref.build_mode == .embed_vlib || v.pref.build_mode == .default_mode {
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// If we declare these for all modes, then when running `v a.v` we'll get
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// `/usr/bin/ld: multiple definition of 'total_m'`
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// TODO
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//cgen.genln('i64 total_m = 0; // For counting total RAM allocated')
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cgen.genln('int g_test_ok = 1; ')
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if v.table.imports.contains('json') {
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cgen.genln('
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#define js_get(object, key) cJSON_GetObjectItemCaseSensitive((object), (key))
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')
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}
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}
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if os.args.contains('-debug_alloc') {
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cgen.genln('#define DEBUG_ALLOC 1')
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}
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cgen.genln('/*================================== FNS =================================*/')
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cgen.genln('this line will be replaced with definitions')
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defs_pos := cgen.lines.len - 1
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for file in v.files {
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mut p := v.new_parser(file)
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p.parse(.main)
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// p.g.gen_x64()
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// Format all files (don't format automatically generated vlib headers)
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if !v.pref.nofmt && !file.contains('/vlib/') {
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// new vfmt is not ready yet
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}
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}
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v.log('Done parsing.')
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// Write everything
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mut d := strings.new_builder(10000)// Avoid unnecessary allocations
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d.writeln(cgen.includes.join_lines())
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d.writeln(cgen.typedefs.join_lines())
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d.writeln(v.c_type_definitions())
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d.writeln('\nstring _STR(const char*, ...);\n')
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d.writeln('\nstring _STR_TMP(const char*, ...);\n')
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d.writeln(cgen.fns.join_lines())
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d.writeln(cgen.consts.join_lines())
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d.writeln(cgen.thread_args.join_lines())
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if v.pref.is_prof {
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d.writeln('; // Prof counters:')
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d.writeln(v.prof_counters())
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}
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dd := d.str()
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cgen.lines[defs_pos] = dd// TODO `def.str()` doesn't compile
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v.generate_main()
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v.generate_hotcode_reloading_code()
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cgen.save()
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if v.pref.is_verbose {
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v.log('flags=')
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println(v.table.flags)
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}
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v.cc()
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}
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fn (v mut V) generate_main() {
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mut cgen := v.cgen
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// if v.build_mode in [.default, .embed_vlib] {
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if v.pref.build_mode == .default_mode || v.pref.build_mode == .embed_vlib {
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mut consts_init_body := cgen.consts_init.join_lines()
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for imp in v.table.imports {
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if imp == 'http' {
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consts_init_body += '\n http__init_module();'
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}
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}
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// vlib can't have `init_consts()`
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cgen.genln('void init_consts() {
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#ifdef _WIN32
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#ifndef _BOOTSTRAP_NO_UNICODE_STREAM
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_setmode(_fileno(stdout), _O_U8TEXT);
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SetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), ENABLE_PROCESSED_OUTPUT | 0x0004);
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// ENABLE_VIRTUAL_TERMINAL_PROCESSING
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#endif
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#endif
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g_str_buf=malloc(1000);
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$consts_init_body
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}')
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// _STR function can't be defined in vlib
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cgen.genln('
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string _STR(const char *fmt, ...) {
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va_list argptr;
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va_start(argptr, fmt);
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size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
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va_end(argptr);
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byte* buf = malloc(len);
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va_start(argptr, fmt);
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vsprintf((char *)buf, fmt, argptr);
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va_end(argptr);
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#ifdef DEBUG_ALLOC
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puts("_STR:");
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puts(buf);
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#endif
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return tos2(buf);
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}
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string _STR_TMP(const char *fmt, ...) {
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va_list argptr;
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va_start(argptr, fmt);
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//size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
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va_end(argptr);
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va_start(argptr, fmt);
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vsprintf((char *)g_str_buf, fmt, argptr);
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va_end(argptr);
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#ifdef DEBUG_ALLOC
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//puts("_STR_TMP:");
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//puts(g_str_buf);
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#endif
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return tos2(g_str_buf);
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}
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')
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}
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// Make sure the main function exists
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// Obviously we don't need it in libraries
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if v.pref.build_mode != .build {
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if !v.table.main_exists() && !v.pref.is_test {
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// It can be skipped in single file programs
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if v.pref.is_script {
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//println('Generating main()...')
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cgen.genln('int main() { init_consts();')
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cgen.genln('$cgen.fn_main;')
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cgen.genln('return 0; }')
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}
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else {
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println('panic: function `main` is undeclared in the main module')
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exit(1)
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}
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}
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// Generate `main` which calls every single test function
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else if v.pref.is_test {
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cgen.genln('int main() { init_consts();')
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for _, f in v.table.fns {
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if f.name.starts_with('test_') {
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cgen.genln('$f.name();')
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}
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}
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cgen.genln('return g_test_ok == 0; }')
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}
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}
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}
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fn final_target_out_name(out_name string) string {
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mut cmd := if out_name.starts_with('/') {
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out_name
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}
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else {
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'./' + out_name
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}
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$if windows {
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cmd = out_name
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cmd = cmd.replace('/', '\\')
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cmd += '.exe'
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}
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return cmd
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}
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fn (v V) run_compiled_executable_and_exit() {
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if v.pref.is_verbose {
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println('============ running $v.out_name ============')
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}
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mut cmd := final_target_out_name(v.out_name).replace('.exe','')
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if os.args.len > 3 {
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cmd += ' ' + os.args.right(3).join(' ')
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}
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if v.pref.is_test {
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ret := os.system(cmd)
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if ret != 0 {
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exit(1)
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}
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}
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if v.pref.is_run {
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ret := os.system(cmd)
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// TODO: make the runner wrapping as transparent as possible
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// (i.e. use execve when implemented). For now though, the runner
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// just returns the same exit code as the child process
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// (see man system, man 2 waitpid: C macro WEXITSTATUS section)
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exit( ret >> 8 )
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}
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exit(0)
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}
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fn (v &V) v_files_from_dir(dir string) []string {
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mut res := []string
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if !os.file_exists(dir) {
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cerror('$dir doesn\'t exist')
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} else if !os.dir_exists(dir) {
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cerror('$dir isn\'t a directory')
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}
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mut files := os.ls(dir)
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if v.pref.is_verbose {
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println('v_files_from_dir ("$dir")')
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}
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files.sort()
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for file in files {
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if !file.ends_with('.v') && !file.ends_with('.vh') {
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continue
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}
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if file.ends_with('_test.v') {
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continue
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}
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if file.ends_with('_win.v') && (v.os != .windows && v.os != .msvc) {
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continue
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}
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if file.ends_with('_lin.v') && v.os != .linux {
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continue
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}
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if file.ends_with('_mac.v') && v.os != .mac {
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continue
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}
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if file.ends_with('_nix.v') && (v.os == .windows || v.os == .msvc) {
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continue
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}
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res << '$dir/$file'
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}
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return res
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}
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// Parses imports, adds necessary libs, and then user files
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fn (v mut V) add_v_files_to_compile() {
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mut dir := v.dir
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v.log('add_v_files($dir)')
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// Need to store user files separately, because they have to be added after libs, but we dont know
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// which libs need to be added yet
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mut user_files := []string
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// v volt/slack_test.v: compile all .v files to get the environment
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// I need to implement user packages! TODO
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is_test_with_imports := dir.ends_with('_test.v') &&
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(dir.contains('/volt') || dir.contains('/c2volt'))// TODO
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if is_test_with_imports {
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user_files << dir
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pos := dir.last_index('/')
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dir = dir.left(pos) + '/'// TODO WHY IS THIS .neEDED?
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}
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if dir.ends_with('.v') {
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// Just compile one file and get parent dir
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user_files << dir
|
|
dir = dir.all_before('/')
|
|
}
|
|
else {
|
|
// Add files from the dir user is compiling (only .v files)
|
|
files := v.v_files_from_dir(dir)
|
|
for file in files {
|
|
user_files << file
|
|
}
|
|
}
|
|
if user_files.len == 0 {
|
|
println('No input .v files')
|
|
exit(1)
|
|
}
|
|
if v.pref.is_verbose {
|
|
v.log('user_files:')
|
|
println(user_files)
|
|
}
|
|
// Parse builtin imports
|
|
for file in v.files {
|
|
mut p := v.new_parser(file)
|
|
p.parse(.imports)
|
|
}
|
|
// Parse user imports
|
|
for file in user_files {
|
|
mut p := v.new_parser(file)
|
|
p.parse(.imports)
|
|
}
|
|
// Parse lib imports
|
|
/*
|
|
if v.pref.build_mode == .default_mode {
|
|
// strange ( for mod in v.table.imports ) dosent loop all items
|
|
// for mod in v.table.imports {
|
|
for i := 0; i < v.table.imports.len; i++ {
|
|
mod := v.table.imports[i]
|
|
mod_path := v.module_path(mod)
|
|
import_path := '$ModPath/vlib/$mod_path'
|
|
vfiles := v.v_files_from_dir(import_path)
|
|
if vfiles.len == 0 {
|
|
cerror('cannot import module $mod (no .v files in "$import_path").')
|
|
}
|
|
// Add all imports referenced by these libs
|
|
for file in vfiles {
|
|
mut p := v.new_parser(file, Pass.imports)
|
|
p.parse()
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
*/
|
|
// strange ( for mod in v.table.imports ) dosent loop all items
|
|
// for mod in v.table.imports {
|
|
for i := 0; i < v.table.imports.len; i++ {
|
|
mod := v.table.imports[i]
|
|
import_path := v.find_module_path(mod)
|
|
vfiles := v.v_files_from_dir(import_path)
|
|
if vfiles.len == 0 {
|
|
cerror('cannot import module $mod (no .v files in "$import_path").')
|
|
}
|
|
// Add all imports referenced by these libs
|
|
for file in vfiles {
|
|
mut p := v.new_parser(file)
|
|
p.parse(.imports)
|
|
}
|
|
}
|
|
if v.pref.is_verbose {
|
|
v.log('imports:')
|
|
println(v.table.imports)
|
|
}
|
|
// graph deps
|
|
mut dep_graph := new_mod_dep_graph()
|
|
dep_graph.from_import_tables(v.table.file_imports)
|
|
deps_resolved := dep_graph.resolve()
|
|
if !deps_resolved.acyclic {
|
|
deps_resolved.display()
|
|
cerror('Import cycle detected.')
|
|
}
|
|
// add imports in correct order
|
|
for mod in deps_resolved.imports() {
|
|
// Building this module? Skip. TODO it's a hack.
|
|
if mod == v.mod {
|
|
continue
|
|
}
|
|
mod_path := v.find_module_path(mod)
|
|
// If we are in default mode, we don't parse vlib .v files, but header .vh files in
|
|
// TmpPath/vlib
|
|
// These were generated by vfmt
|
|
/*
|
|
if v.pref.build_mode == .default_mode || v.pref.build_mode == .build {
|
|
module_path = '$ModPath/vlib/$mod_p'
|
|
}
|
|
*/
|
|
vfiles := v.v_files_from_dir(mod_path)
|
|
for file in vfiles {
|
|
if !file in v.files {
|
|
v.files << file
|
|
}
|
|
}
|
|
}
|
|
// add remaining files (not modules)
|
|
for fit in v.table.file_imports {
|
|
//println('fit $fit.file_path')
|
|
if !fit.file_path in v.files {
|
|
v.files << fit.file_path
|
|
}
|
|
}
|
|
}
|
|
|
|
fn get_arg(joined_args, arg, def string) string {
|
|
return get_all_after(joined_args, '-$arg', def)
|
|
}
|
|
|
|
fn get_all_after(joined_args, arg, def string) string {
|
|
key := '$arg '
|
|
mut pos := joined_args.index(key)
|
|
if pos == -1 {
|
|
return def
|
|
}
|
|
pos += key.len
|
|
mut space := joined_args.index_after(' ', pos)
|
|
if space == -1 {
|
|
space = joined_args.len
|
|
}
|
|
res := joined_args.substr(pos, space)
|
|
// println('get_arg($arg) = "$res"')
|
|
return res
|
|
}
|
|
|
|
fn (v &V) module_path(mod string) string {
|
|
// submodule support
|
|
if mod.contains('.') {
|
|
//return mod.replace('.', path_sep)
|
|
return mod.replace('.', '/')
|
|
}
|
|
return mod
|
|
}
|
|
|
|
fn (v &V) log(s string) {
|
|
if !v.pref.is_verbose {
|
|
return
|
|
}
|
|
println(s)
|
|
}
|
|
|
|
fn new_v(args[]string) *V {
|
|
joined_args := args.join(' ')
|
|
target_os := get_arg(joined_args, 'os', '')
|
|
mut out_name := get_arg(joined_args, 'o', 'a.out')
|
|
|
|
mut dir := args.last()
|
|
if args.contains('run') {
|
|
dir = get_all_after(joined_args, 'run', '')
|
|
}
|
|
if args.len < 2 {
|
|
dir = ''
|
|
}
|
|
// println('new compiler "$dir"')
|
|
// build mode
|
|
mut build_mode := BuildMode.default_mode
|
|
mut mod := ''
|
|
//if args.contains('-lib') {
|
|
if joined_args.contains('build module ') {
|
|
build_mode = .build
|
|
// v -lib ~/v/os => os.o
|
|
mod = os.dir(dir)
|
|
mod = mod.all_after('/')
|
|
println('Building module "${mod}" dir="$dir"...')
|
|
//out_name = '$TmpPath/vlib/${base}.o'
|
|
out_name = mod + '.o'
|
|
// Cross compiling? Use separate dirs for each os
|
|
/*
|
|
if target_os != os.user_os() {
|
|
os.mkdir('$TmpPath/vlib/$target_os')
|
|
out_name = '$TmpPath/vlib/$target_os/${base}.o'
|
|
println('target_os=$target_os user_os=${os.user_os()}')
|
|
println('!Cross compiling $out_name')
|
|
}
|
|
*/
|
|
}
|
|
// TODO embed_vlib is temporarily the default mode. It's much slower.
|
|
else if !args.contains('-embed_vlib') {
|
|
build_mode = .embed_vlib
|
|
}
|
|
//
|
|
is_test := dir.ends_with('_test.v')
|
|
is_script := dir.ends_with('.v')
|
|
if is_script && !os.file_exists(dir) {
|
|
println('`$dir` does not exist')
|
|
exit(1)
|
|
}
|
|
// No -o provided? foo.v => foo
|
|
if out_name == 'a.out' && dir.ends_with('.v') {
|
|
out_name = dir.left(dir.len - 2)
|
|
}
|
|
// if we are in `/foo` and run `v .`, the executable should be `foo`
|
|
if dir == '.' && out_name == 'a.out' {
|
|
base := os.getwd().all_after('/')
|
|
out_name = base.trim_space()
|
|
}
|
|
mut _os := OS.mac
|
|
// No OS specifed? Use current system
|
|
if target_os == '' {
|
|
$if linux {
|
|
_os = .linux
|
|
}
|
|
$if mac {
|
|
_os = .mac
|
|
}
|
|
$if windows {
|
|
_os = .windows
|
|
}
|
|
$if freebsd {
|
|
_os = .freebsd
|
|
}
|
|
$if openbsd {
|
|
_os = .openbsd
|
|
}
|
|
$if netbsd {
|
|
_os = .netbsd
|
|
}
|
|
$if dragonfly {
|
|
_os = .dragonfly
|
|
}
|
|
}
|
|
else {
|
|
switch target_os {
|
|
case 'linux': _os = .linux
|
|
case 'windows': _os = .windows
|
|
case 'mac': _os = .mac
|
|
case 'freebsd': _os = .freebsd
|
|
case 'openbsd': _os = .openbsd
|
|
case 'netbsd': _os = .netbsd
|
|
case 'dragonfly': _os = .dragonfly
|
|
case 'msvc': _os = .msvc
|
|
}
|
|
}
|
|
builtins := [
|
|
'array.v',
|
|
'string.v',
|
|
'builtin.v',
|
|
'int.v',
|
|
'utf8.v',
|
|
'map.v',
|
|
'option.v',
|
|
]
|
|
// Location of all vlib files
|
|
vroot := os.dir(os.executable())
|
|
//println('VROOT=$vroot')
|
|
// v.exe's parent directory should contain vlib
|
|
if os.dir_exists(vroot) && os.dir_exists(vroot + '/vlib/builtin') {
|
|
|
|
} else {
|
|
println('vlib not found. It should be next to the V executable. ')
|
|
println('Go to https://vlang.io to install V.')
|
|
exit(1)
|
|
}
|
|
mut out_name_c := os.realpath( out_name ) + '.tmp.c'
|
|
mut files := []string
|
|
// Add builtin files
|
|
if !out_name.contains('builtin.o') {
|
|
for builtin in builtins {
|
|
mut f := '$vroot/vlib/builtin/$builtin'
|
|
// In default mode we use precompiled vlib.o, point to .vh files with signatures
|
|
if build_mode == .default_mode || build_mode == .build {
|
|
//f = '$TmpPath/vlib/builtin/${builtin}h'
|
|
}
|
|
files << f
|
|
}
|
|
}
|
|
|
|
mut cflags := ''
|
|
for ci, cv in args {
|
|
if cv == '-cflags' {
|
|
cflags += args[ci+1] + ' '
|
|
}
|
|
}
|
|
|
|
obfuscate := args.contains('-obf')
|
|
pref := &Preferences {
|
|
is_test: is_test
|
|
is_script: is_script
|
|
is_so: args.contains('-shared')
|
|
is_prod: args.contains('-prod')
|
|
is_verbose: args.contains('-verbose')
|
|
is_debuggable: args.contains('-g') // -debuggable implys debug
|
|
is_debug: args.contains('-debug') || args.contains('-g')
|
|
obfuscate: obfuscate
|
|
is_prof: args.contains('-prof')
|
|
is_live: args.contains('-live')
|
|
sanitize: args.contains('-sanitize')
|
|
nofmt: args.contains('-nofmt')
|
|
show_c_cmd: args.contains('-show_c_cmd')
|
|
translated: args.contains('translated')
|
|
is_run: args.contains('run')
|
|
is_repl: args.contains('-repl')
|
|
build_mode: build_mode
|
|
cflags: cflags
|
|
ccompiler: find_c_compiler()
|
|
}
|
|
if pref.is_verbose || pref.is_debug {
|
|
println('C compiler=$pref.ccompiler')
|
|
}
|
|
if pref.is_so {
|
|
out_name_c = out_name.all_after('/') + '_shared_lib.c'
|
|
}
|
|
return &V{
|
|
os: _os
|
|
out_name: out_name
|
|
files: files
|
|
dir: dir
|
|
lang_dir: vroot
|
|
table: new_table(obfuscate)
|
|
out_name_c: out_name_c
|
|
cgen: new_cgen(out_name_c)
|
|
vroot: vroot
|
|
pref: pref
|
|
mod: mod
|
|
}
|
|
}
|
|
|
|
|
|
const (
|
|
HelpText = '
|
|
Usage: v [options] [file | directory]
|
|
|
|
Options:
|
|
- Read from stdin (Default; Interactive mode if in a tty)
|
|
-h, help Display this information.
|
|
-v, version Display compiler version.
|
|
-lib Generate object file.
|
|
-prod Build an optimized executable.
|
|
-o <file> Place output into <file>.
|
|
-obf Obfuscate the resulting binary.
|
|
-show_c_cmd Print the full C compilation command and how much time it took.
|
|
-debug Leave a C file for debugging in .program.c.
|
|
-live Enable hot code reloading (required by functions marked with [live]).
|
|
fmt Run vfmt to format the source code.
|
|
up Update V.
|
|
run Build and execute a V program. You can add arguments after the file name.
|
|
|
|
|
|
Files:
|
|
<file>_test.v Test file.
|
|
'
|
|
)
|
|
|
|
/*
|
|
- To disable automatic formatting:
|
|
v -nofmt file.v
|
|
|
|
- To build a program with an embedded vlib (use this if you do not have prebuilt vlib libraries or if you
|
|
are working on vlib)
|
|
v -embed_vlib file.v
|
|
*/
|
|
|
|
fn env_vflags_and_os_args() []string {
|
|
mut args := []string
|
|
vflags := os.getenv('VFLAGS')
|
|
if '' != vflags {
|
|
args << os.args[0]
|
|
args << vflags.split(' ')
|
|
if os.args.len > 1 {
|
|
args << os.args.right(1)
|
|
}
|
|
}else{
|
|
args << os.args
|
|
}
|
|
return args
|
|
}
|
|
|
|
fn update_v() {
|
|
println('Updating V...')
|
|
vroot := os.dir(os.executable())
|
|
s := os.exec('git -C "$vroot" pull --rebase origin master') or {
|
|
cerror(err)
|
|
return
|
|
}
|
|
println(s.output)
|
|
$if windows {
|
|
os.mv('$vroot/v.exe', '$vroot/v_old.exe')
|
|
s2 := os.exec('$vroot/make.bat') or {
|
|
cerror(err)
|
|
return
|
|
}
|
|
println(s2.output)
|
|
} $else {
|
|
s2 := os.exec('make -C "$vroot"') or {
|
|
cerror(err)
|
|
return
|
|
}
|
|
println(s2.output)
|
|
}
|
|
}
|
|
|
|
fn test_v() {
|
|
args := env_vflags_and_os_args()
|
|
vexe := args[0]
|
|
// Emily: pass args from the invocation to the test
|
|
// e.g. `v -g -os msvc test v` -> `$vexe -g -os msvc $file`
|
|
mut joined_args := env_vflags_and_os_args().right(1).join(' ')
|
|
joined_args = joined_args.left(joined_args.last_index('test'))
|
|
println('$joined_args')
|
|
mut failed := false
|
|
test_files := os.walk_ext('.', '_test.v')
|
|
for dot_relative_file in test_files {
|
|
relative_file := dot_relative_file.replace('./', '')
|
|
file := os.realpath( relative_file )
|
|
tmpcfilepath := file.replace('_test.v', '_test.tmp.c')
|
|
print(relative_file + ' ')
|
|
r := os.exec('$vexe $joined_args -debug $file') or {
|
|
failed = true
|
|
println('FAIL')
|
|
continue
|
|
}
|
|
if r.exit_code != 0 {
|
|
println('FAIL `$file` (\n$r.output\n)')
|
|
failed = true
|
|
} else {
|
|
println('OK')
|
|
}
|
|
os.rm( tmpcfilepath )
|
|
}
|
|
println('\nBuilding examples...')
|
|
examples := os.walk_ext('examples', '.v')
|
|
for relative_file in examples {
|
|
file := os.realpath( relative_file )
|
|
tmpcfilepath := file.replace('.v', '.tmp.c')
|
|
print(relative_file + ' ')
|
|
r := os.exec('$vexe $joined_args -debug $file') or {
|
|
failed = true
|
|
println('FAIL')
|
|
continue
|
|
}
|
|
if r.exit_code != 0 {
|
|
println('FAIL `$file` (\n$r.output\n)')
|
|
failed = true
|
|
} else {
|
|
println('OK')
|
|
}
|
|
os.rm(tmpcfilepath)
|
|
}
|
|
if failed {
|
|
exit(1)
|
|
}
|
|
}
|
|
|
|
fn create_symlink() {
|
|
vexe := os.executable()
|
|
link_path := '/usr/local/bin/v'
|
|
ret := os.system('ln -sf $vexe $link_path')
|
|
if ret == 0 {
|
|
println('symlink "$link_path" has been created')
|
|
} else {
|
|
println('failed to create symlink "$link_path", '+
|
|
'make sure you run with sudo')
|
|
}
|
|
}
|
|
|
|
pub fn cerror(s string) {
|
|
println('V error: $s')
|
|
os.flush_stdout()
|
|
exit(1)
|
|
}
|