mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
1045 lines
26 KiB
V
1045 lines
26 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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strings
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benchmark
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)
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const (
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Version = '0.1.21'
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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 -lib ~/v/os`
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// build any module (generate os.o + os.vh)
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build_module
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}
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const (
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supported_platforms = ['windows', 'mac', 'linux', 'freebsd', 'openbsd',
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'netbsd', 'dragonfly', 'msvc', 'android', 'js', 'solaris']
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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 // TODO not an OS
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js // TODO
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android
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solaris
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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 preferences 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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vgen_buf strings.Builder // temporary buffer for generated V code (.str() etc)
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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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is_stats bool // `v -stats file_test.v` will produce more detailed statistics for the tests that were run
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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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building_v bool
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autofree bool
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compress bool
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skip_builtin bool // Skips re-compilation of the builtin module
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// to increase compilation time.
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// This is on by default, since a vast majority of users do not
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// work on the builtin module itself.
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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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version_hash := vhash()
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println('V $Version $version_hash')
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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 'install' in args {
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install_v(args)
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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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//
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// Just fmt and exit
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if 'fmt' in args {
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vfmt(args)
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return
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}
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if 'test' in args {
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test_v()
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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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// No args? REPL
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if args.len < 2 || (args.len == 2 && args[1] == '-') || 'runrepl' in args {
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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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// TODO remove
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if v.pref.autofree {
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println('started freeing v struct')
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v.table.typesmap.free()
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v.table.obf_ids.free()
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v.cgen.lines.free()
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free(v.cgen)
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for _, f in v.table.fns {
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//f.local_vars.free()
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f.args.free()
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//f.defer_text.free()
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}
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v.table.fns.free()
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free(v.table)
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//for p in parsers {}
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println('done!')
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}
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}
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fn (v mut V) add_parser(parser Parser) {
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v.parsers << parser
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}
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fn (v &V) get_file_parser_index(file string) ?int {
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for i, p in v.parsers {
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if os.realpath(p.file_path) == os.realpath(file) {
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return i
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}
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}
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return error('parser for "$file" not found')
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}
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// find existing parser or create new one. returns v.parsers index
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fn (v mut V) parse(file string, pass Pass) int {
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//println('parse($file, $pass)')
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pidx := v.get_file_parser_index(file) or {
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mut p := v.new_parser_from_file(file)
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p.parse(pass)
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//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
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v.add_parser(p)
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return v.parsers.len-1
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}
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v.parsers[pidx].parse(pass)
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//if v.parsers[i].pref.autofree { v.parsers[i].scanner.text.free() free(v.parsers[i].scanner) }
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return pidx
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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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verror('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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if v.pref.is_verbose {
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println('all .v files before:')
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println(v.files)
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}
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v.add_v_files_to_compile()
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if v.pref.is_verbose || v.pref.is_debug {
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println('all .v files:')
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println(v.files)
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}
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/*
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if v.pref.is_debug {
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println('\nparsers:')
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for q in v.parsers {
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println(q.file_name)
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}
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println('\nfiles:')
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for q in v.files {
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println(q)
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}
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}
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*/
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// First pass (declarations)
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for file in v.files {
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v.parse(file, .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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$if js {
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cgen.genln('const VDEBUG = 1;\n')
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} $else {
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cgen.genln('#define VDEBUG (1)')
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}
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}
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if v.os == .js {
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cgen.genln('#define _VJS (1) ')
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}
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if v.pref.building_v {
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cgen.genln('#ifndef V_COMMIT_HASH')
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cgen.genln('#define V_COMMIT_HASH "' + vhash() + '"')
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cgen.genln('#endif')
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}
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q := cgen.nogen // TODO hack
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cgen.nogen = false
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$if js {
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cgen.genln(js_headers)
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} $else {
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cgen.genln(CommonCHeaders)
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}
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v.generate_hotcode_reloading_declarations()
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// We need the cjson header for all the json decoding that will be done in
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// default mode
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imports_json := 'json' in v.table.imports
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if v.pref.build_mode == .default_mode {
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if imports_json {
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cgen.genln('#include "cJSON.h"')
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}
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}
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if v.pref.build_mode == .default_mode {
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// If we declare these for all modes, then when running `v a.v` we'll get
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// `/usr/bin/ld: multiple definition of 'total_m'`
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$if !js {
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cgen.genln('int g_test_oks = 0;')
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cgen.genln('int g_test_fails = 0;')
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}
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if imports_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 '-debug_alloc' in os.args {
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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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mut defs_pos := cgen.lines.len - 1
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if defs_pos == -1 {
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defs_pos = 0
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}
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cgen.nogen = q
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for file in v.files {
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v.parse(file, .main)
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//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
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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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// Generate .vh if we are building a module
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if v.pref.build_mode == .build_module {
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v.generate_vh()
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}
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// parse generated V code (str() methods etc)
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mut vgen_parser := v.new_parser_from_string(v.vgen_buf.str(), 'vgen')
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// free the string builder which held the generated methods
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v.vgen_buf.free()
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vgen_parser.parse(.main)
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// v.parsers.add(vgen_parser)
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v.log('Done parsing.')
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// All definitions
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mut def := strings.new_builder(10000)// Avoid unnecessary allocations
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$if !js {
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def.writeln(cgen.includes.join_lines())
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def.writeln(cgen.typedefs.join_lines())
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def.writeln(v.type_definitions())
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def.writeln('\nstring _STR(const char*, ...);\n')
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def.writeln('\nstring _STR_TMP(const char*, ...);\n')
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def.writeln(cgen.fns.join_lines()) // fn definitions
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} $else {
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def.writeln(v.type_definitions())
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}
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def.writeln(cgen.consts.join_lines())
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def.writeln(cgen.thread_args.join_lines())
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if v.pref.is_prof {
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def.writeln('; // Prof counters:')
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def.writeln(v.prof_counters())
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}
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cgen.lines[defs_pos] = def.str()
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v.generate_main()
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v.generate_hot_reload_code()
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if v.pref.is_verbose {
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v.log('flags=')
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for flag in v.get_os_cflags() {
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println(' * ' + flag.format())
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}
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}
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$if js {
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cgen.genln('main__main();')
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}
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cgen.save()
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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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$if js { return }
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if v.pref.build_mode == .default_mode {
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mut consts_init_body := cgen.consts_init.join_lines()
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// vlib can't have `init_consts()`
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cgen.genln('void init_consts() {
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g_str_buf=malloc(1000);
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$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_module {
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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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v.gen_main_start(true)
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cgen.genln('$cgen.fn_main;')
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v.gen_main_end('return 0')
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}
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else {
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verror('function `main` is not declared in the main module')
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}
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}
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else if v.pref.is_test {
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if v.table.main_exists() {
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verror('test files cannot have function `main`')
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}
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if !v.table.has_at_least_one_test_fn() {
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verror('test files need to have at least one test function')
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}
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// Generate a C `main`, which calls every single test function
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v.gen_main_start(false)
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if v.pref.is_stats { cgen.genln('BenchedTests bt = main__start_testing();') }
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for _, f in v.table.fns {
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if f.name.starts_with('main__test_') {
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if v.pref.is_stats { cgen.genln('BenchedTests_testing_step_start(&bt, tos3("$f.name"));') }
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cgen.genln('$f.name();')
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if v.pref.is_stats { cgen.genln('BenchedTests_testing_step_end(&bt);') }
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}
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}
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if v.pref.is_stats { cgen.genln('BenchedTests_end_testing(&bt);') }
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v.gen_main_end('return g_test_fails > 0')
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}
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else if v.table.main_exists() {
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v.gen_main_start(true)
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cgen.genln(' main__main();')
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v.gen_main_end('return 0')
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}
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}
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}
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fn (v mut V) gen_main_start(add_os_args bool){
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v.cgen.genln('int main(int argc, char** argv) { ')
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v.cgen.genln(' init_consts();')
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if add_os_args && 'os' in v.table.imports {
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v.cgen.genln(' os__args = os__init_os_args(argc, (byteptr*)argv);')
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}
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v.generate_hotcode_reloading_main_caller()
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v.cgen.genln('')
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}
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fn (v mut V) gen_main_end(return_statement string){
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v.cgen.genln('')
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v.cgen.genln(' $return_statement;')
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v.cgen.genln('}')
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}
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fn final_target_out_name(out_name string) string {
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mut cmd := if out_name.starts_with('/') {
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out_name
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}
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else {
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'./' + out_name
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}
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$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 $v.out_name ============')
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}
|
|
mut cmd := '"' + final_target_out_name(v.out_name).replace('.exe','') + '"'
|
|
if os.args.len > 3 {
|
|
cmd += ' ' + os.args.right(3).join(' ')
|
|
}
|
|
if v.pref.is_test {
|
|
ret := os.system(cmd)
|
|
if ret != 0 {
|
|
exit(1)
|
|
}
|
|
}
|
|
if v.pref.is_run {
|
|
ret := os.system(cmd)
|
|
// TODO: make the runner wrapping as transparent as possible
|
|
// (i.e. use execve when implemented). For now though, the runner
|
|
// just returns the same exit code as the child process.
|
|
exit( ret )
|
|
}
|
|
exit(0)
|
|
}
|
|
|
|
fn (v &V) v_files_from_dir(dir string) []string {
|
|
mut res := []string
|
|
if !os.file_exists(dir) {
|
|
verror('$dir doesn\'t exist')
|
|
} else if !os.dir_exists(dir) {
|
|
verror('$dir isn\'t a directory')
|
|
}
|
|
mut files := os.ls(dir)
|
|
if v.pref.is_verbose {
|
|
println('v_files_from_dir ("$dir")')
|
|
}
|
|
files.sort()
|
|
for file in files {
|
|
if !file.ends_with('.v') && !file.ends_with('.vh') {
|
|
continue
|
|
}
|
|
if file.ends_with('_test.v') {
|
|
continue
|
|
}
|
|
if file.ends_with('_win.v') && (v.os != .windows && v.os != .msvc) {
|
|
continue
|
|
}
|
|
if file.ends_with('_lin.v') && v.os != .linux {
|
|
continue
|
|
}
|
|
if file.ends_with('_mac.v') && v.os != .mac {
|
|
continue
|
|
}
|
|
if file.ends_with('_nix.v') && (v.os == .windows || v.os == .msvc) {
|
|
continue
|
|
}
|
|
if file.ends_with('_js.v') && v.os != .js {
|
|
continue
|
|
}
|
|
if file.ends_with('_c.v') && v.os == .js {
|
|
continue
|
|
}
|
|
res << '$dir${os.PathSeparator}$file'
|
|
}
|
|
return res
|
|
}
|
|
|
|
// Parses imports, adds necessary libs, and then user files
|
|
fn (v mut V) add_v_files_to_compile() {
|
|
mut builtin_files := v.get_builtin_files()
|
|
// Builtin cache exists? Use it.
|
|
builtin_vh := '$v_modules_path/builtin.vh'
|
|
if v.pref.is_debug && os.file_exists(builtin_vh) {
|
|
builtin_files = [builtin_vh]
|
|
}
|
|
// Parse builtin imports
|
|
for file in builtin_files {
|
|
// add builtins first
|
|
v.files << file
|
|
mut p := v.new_parser_from_file(file)
|
|
p.parse(.imports)
|
|
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
|
|
v.add_parser(p)
|
|
}
|
|
// Parse user imports
|
|
for file in v.get_user_files() {
|
|
mut p := v.new_parser_from_file(file)
|
|
p.parse(.imports)
|
|
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
|
|
v.add_parser(p)
|
|
}
|
|
// Parse lib imports
|
|
v.parse_lib_imports()
|
|
if v.pref.is_verbose {
|
|
v.log('imports:')
|
|
println(v.table.imports)
|
|
}
|
|
// resolve deps and add imports in correct order
|
|
imported_mods := v.resolve_deps().imports()
|
|
for mod in imported_mods {
|
|
if mod == 'builtin' || mod == 'main' {
|
|
// builtin already added
|
|
// main files will get added last
|
|
continue
|
|
}
|
|
|
|
// use cached built module if exists
|
|
if v.pref.build_mode != .build_module {
|
|
vh_path := '$v_modules_path/${mod}.vh'
|
|
//println(vh_path)
|
|
if v.pref.is_debug && os.file_exists(vh_path) {
|
|
println('using cached module `$mod`: $vh_path')
|
|
v.files << vh_path
|
|
continue
|
|
}
|
|
}
|
|
// standard module
|
|
mod_path := v.find_module_path(mod) or { verror(err) break }
|
|
vfiles := v.v_files_from_dir(mod_path)
|
|
for file in vfiles {
|
|
v.files << file
|
|
}
|
|
}
|
|
// add remaining main files last
|
|
for _, fit in v.table.file_imports {
|
|
if fit.module_name != 'main' { continue }
|
|
v.files << fit.file_path
|
|
}
|
|
}
|
|
|
|
fn (v &V) get_builtin_files() []string {
|
|
// .vh cache exists? Use it
|
|
|
|
$if js {
|
|
return v.v_files_from_dir('$v.vroot${os.PathSeparator}vlib${os.PathSeparator}builtin${os.PathSeparator}js')
|
|
}
|
|
return v.v_files_from_dir('$v.vroot${os.PathSeparator}vlib${os.PathSeparator}builtin')
|
|
}
|
|
|
|
// get user files
|
|
fn (v &V) get_user_files() []string {
|
|
mut dir := v.dir
|
|
v.log('get_v_files($dir)')
|
|
// Need to store user files separately, because they have to be added after libs, but we dont know
|
|
// which libs need to be added yet
|
|
mut user_files := []string
|
|
|
|
if v.pref.is_test && v.pref.is_stats {
|
|
user_files << [v.vroot, 'vlib', 'benchmark', 'tests', 'always_imported.v'].join( os.PathSeparator )
|
|
}
|
|
|
|
// v volt/slack_test.v: compile all .v files to get the environment
|
|
// I need to implement user packages! TODO
|
|
is_test_with_imports := dir.ends_with('_test.v') &&
|
|
(dir.contains('${os.PathSeparator}volt') || dir.contains('${os.PathSeparator}c2volt'))// TODO
|
|
if is_test_with_imports {
|
|
user_files << dir
|
|
pos := dir.last_index(os.PathSeparator)
|
|
dir = dir.left(pos) + os.PathSeparator// TODO WHY IS THIS .neEDED?
|
|
}
|
|
if dir.ends_with('.v') {
|
|
// Just compile one file and get parent dir
|
|
user_files << dir
|
|
dir = dir.all_before('${os.PathSeparator}')
|
|
}
|
|
else {
|
|
// Add .v files from the directory being compiled
|
|
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)
|
|
}
|
|
return user_files
|
|
}
|
|
|
|
// parse deps from already parsed builtin/user files
|
|
fn (v mut V) parse_lib_imports() {
|
|
mut done_fits := []string
|
|
mut done_imports := []string
|
|
for {
|
|
for _, fit in v.table.file_imports {
|
|
if fit.file_path in done_fits { continue }
|
|
for _, mod in fit.imports {
|
|
import_path := v.find_module_path(mod) or {
|
|
pidx := v.get_file_parser_index(fit.file_path) or { verror(err) break }
|
|
v.parsers[pidx].error_with_token_index('cannot import module "$mod" (not found)', fit.get_import_tok_idx(mod))
|
|
break
|
|
}
|
|
vfiles := v.v_files_from_dir(import_path)
|
|
if vfiles.len == 0 {
|
|
pidx := v.get_file_parser_index(fit.file_path) or { verror(err) break }
|
|
v.parsers[pidx].error_with_token_index('cannot import module "$mod" (no .v files in "$import_path")', fit.get_import_tok_idx(mod))
|
|
}
|
|
// Add all imports referenced by these libs
|
|
for file in vfiles {
|
|
if file in done_imports { continue }
|
|
pid := v.parse(file, .imports)
|
|
done_imports << file
|
|
p_mod := v.parsers[pid].import_table.module_name
|
|
if p_mod != mod {
|
|
v.parsers[pid].error_with_token_index('bad module definition: $fit.file_path imports module "$mod" but $file is defined as module `$p_mod`', 1)
|
|
}
|
|
}
|
|
}
|
|
done_fits << fit.file_path
|
|
}
|
|
if v.table.file_imports.size == done_fits.len { break}
|
|
}
|
|
}
|
|
|
|
// return resolved dep graph (order deps)
|
|
fn (v &V) resolve_deps() &DepGraph {
|
|
mut dep_graph := new_dep_graph()
|
|
dep_graph.from_import_tables(v.table.file_imports)
|
|
deps_resolved := dep_graph.resolve()
|
|
if !deps_resolved.acyclic {
|
|
deps_resolved.display()
|
|
verror('import cycle detected')
|
|
}
|
|
return deps_resolved
|
|
}
|
|
|
|
fn get_arg(joined_args, arg, def string) string {
|
|
return get_param_after(joined_args, '-$arg', def)
|
|
}
|
|
|
|
fn get_param_after(joined_args, arg, def string) string {
|
|
key := '$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)
|
|
return res
|
|
}
|
|
|
|
fn (v &V) log(s string) {
|
|
if !v.pref.is_verbose {
|
|
return
|
|
}
|
|
println(s)
|
|
}
|
|
|
|
fn new_v(args[]string) &V {
|
|
mut vgen_buf := strings.new_builder(1000)
|
|
vgen_buf.writeln('module main\nimport strings')
|
|
|
|
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 'run' in args {
|
|
dir = get_param_after(joined_args, 'run', '')
|
|
}
|
|
if dir.ends_with(os.PathSeparator) {
|
|
dir = dir.all_before_last(os.PathSeparator)
|
|
}
|
|
adir := os.realpath(dir)
|
|
if args.len < 2 {
|
|
dir = ''
|
|
}
|
|
// build mode
|
|
mut build_mode := BuildMode.default_mode
|
|
mut mod := ''
|
|
if joined_args.contains('build module ') {
|
|
build_mode = .build_module
|
|
// v build module ~/v/os => os.o
|
|
mod = if adir.contains(os.PathSeparator) {
|
|
adir.all_after(os.PathSeparator)
|
|
} else {
|
|
adir
|
|
}
|
|
println('Building module "${mod}" (dir="$dir")...')
|
|
//out_name = '$TmpPath/vlib/${base}.o'
|
|
out_name = mod + '.o'
|
|
println('$out_name')
|
|
// Cross compiling? Use separate dirs for each os
|
|
/*
|
|
if target_os != os.user_os() {
|
|
os.mkdir('$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 $out_name')
|
|
}
|
|
*/
|
|
}
|
|
is_test := dir.ends_with('_test.v')
|
|
is_script := dir.ends_with('.v')
|
|
if is_script && !os.file_exists(dir) {
|
|
println('`$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(os.PathSeparator)
|
|
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
|
|
}
|
|
$if solaris {
|
|
_os = .solaris
|
|
}
|
|
}
|
|
else {
|
|
switch target_os {
|
|
case 'linux': _os = .linux
|
|
case 'windows': _os = .windows
|
|
case 'mac': _os = .mac
|
|
case 'freebsd': _os = .freebsd
|
|
case 'openbsd': _os = .openbsd
|
|
case 'netbsd': _os = .netbsd
|
|
case 'dragonfly': _os = .dragonfly
|
|
case 'msvc': _os = .msvc
|
|
case 'js': _os = .js
|
|
case 'solaris': _os = .solaris
|
|
}
|
|
}
|
|
// Location of all vlib files
|
|
vroot := os.dir(os.executable())
|
|
//println('VROOT=$vroot')
|
|
// v.exe's parent directory should contain vlib
|
|
if !os.dir_exists(vroot) || !os.dir_exists(vroot + '/vlib/builtin') {
|
|
println('vlib not found, downloading it...')
|
|
/*
|
|
ret := os.system('git clone --depth=1 https://github.com/vlang/v .')
|
|
if ret != 0 {
|
|
println('failed to `git clone` vlib')
|
|
println('make sure you are online and have git installed')
|
|
exit(1)
|
|
}
|
|
*/
|
|
println('vlib not found. It should be next to the V executable. ')
|
|
println('Go to https://vlang.io to install V.')
|
|
exit(1)
|
|
}
|
|
//println('out_name:$out_name')
|
|
mut out_name_c := os.realpath('${out_name}.tmp.c')
|
|
|
|
cflags := get_cmdline_cflags(args)
|
|
|
|
rdir := os.realpath( dir )
|
|
rdir_name := os.filename( rdir )
|
|
|
|
obfuscate := '-obf' in args
|
|
is_repl := '-repl' in args
|
|
pref := &Preferences {
|
|
is_test: is_test
|
|
is_script: is_script
|
|
is_so: '-shared' in args
|
|
is_prod: '-prod' in args
|
|
is_verbose: '-verbose' in args || '--verbose' in args
|
|
is_debuggable: '-g' in args
|
|
is_debug: '-debug' in args || '-g' in args
|
|
is_stats: '-stats' in args
|
|
obfuscate: obfuscate
|
|
is_prof: '-prof' in args
|
|
is_live: '-live' in args
|
|
sanitize: '-sanitize' in args
|
|
nofmt: '-nofmt' in args
|
|
show_c_cmd: '-show_c_cmd' in args
|
|
translated: 'translated' in args
|
|
is_run: 'run' in args
|
|
autofree: '-autofree' in args
|
|
compress: '-compress' in args
|
|
is_repl: is_repl
|
|
build_mode: build_mode
|
|
cflags: cflags
|
|
ccompiler: find_c_compiler()
|
|
building_v: !is_repl && (rdir_name == 'compiler' || dir.contains('vlib'))
|
|
}
|
|
if pref.is_verbose || pref.is_debug {
|
|
println('C compiler=$pref.ccompiler')
|
|
}
|
|
if pref.is_so {
|
|
out_name_c = out_name.all_after(os.PathSeparator) + '_shared_lib.c'
|
|
}
|
|
return &V{
|
|
os: _os
|
|
out_name: out_name
|
|
dir: dir
|
|
lang_dir: vroot
|
|
table: new_table(obfuscate)
|
|
out_name_c: out_name_c
|
|
cgen: new_cgen(out_name_c)
|
|
vroot: vroot
|
|
pref: pref
|
|
mod: mod
|
|
vgen_buf: vgen_buf
|
|
}
|
|
}
|
|
|
|
fn env_vflags_and_os_args() []string {
|
|
mut args := []string
|
|
vflags := os.getenv('VFLAGS')
|
|
if '' != vflags {
|
|
args << os.args[0]
|
|
args << vflags.split(' ')
|
|
if os.args.len > 1 {
|
|
args << os.args.right(1)
|
|
}
|
|
} else{
|
|
args << os.args
|
|
}
|
|
return args
|
|
}
|
|
|
|
fn update_v() {
|
|
println('Updating V...')
|
|
vroot := os.dir(os.executable())
|
|
s := os.exec('git -C "$vroot" pull --rebase origin master') or {
|
|
verror(err)
|
|
return
|
|
}
|
|
println(s.output)
|
|
$if windows {
|
|
v_backup_file := '$vroot/v_old.exe'
|
|
if os.file_exists( v_backup_file ) {
|
|
os.rm( v_backup_file )
|
|
}
|
|
os.mv('$vroot/v.exe', v_backup_file)
|
|
s2 := os.exec('"$vroot/make.bat"') or {
|
|
verror(err)
|
|
return
|
|
}
|
|
println(s2.output)
|
|
} $else {
|
|
s2 := os.exec('make -C "$vroot"') or {
|
|
verror(err)
|
|
return
|
|
}
|
|
println(s2.output)
|
|
}
|
|
}
|
|
|
|
fn vfmt(args[]string) {
|
|
file := args.last()
|
|
if !os.file_exists(file) {
|
|
println('"$file" does not exist')
|
|
exit(1)
|
|
}
|
|
if !file.ends_with('.v') {
|
|
println('v fmt can only be used on .v files')
|
|
exit(1)
|
|
}
|
|
println('vfmt is temporarily disabled')
|
|
}
|
|
|
|
fn install_v(args[]string) {
|
|
if args.len < 3 {
|
|
println('usage: v install [module] [module] [...]')
|
|
return
|
|
}
|
|
names := args.slice(2, args.len)
|
|
vexec := os.executable()
|
|
vroot := os.dir(vexec)
|
|
vget := '$vroot/tools/vget'
|
|
if true {
|
|
//println('Building vget...')
|
|
os.chdir(vroot + '/tools')
|
|
vget_compilation := os.exec('$vexec -o $vget vget.v') or {
|
|
verror(err)
|
|
return
|
|
}
|
|
if vget_compilation.exit_code != 0 {
|
|
verror( vget_compilation.output )
|
|
return
|
|
}
|
|
}
|
|
vgetresult := os.exec('$vget ' + names.join(' ')) or {
|
|
verror(err)
|
|
return
|
|
}
|
|
if vgetresult.exit_code != 0 {
|
|
verror( vgetresult.output )
|
|
return
|
|
}
|
|
}
|
|
|
|
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 verror(s string) {
|
|
println('V error: $s')
|
|
os.flush_stdout()
|
|
exit(1)
|
|
}
|
|
|
|
fn vhash() string {
|
|
mut buf := [50]byte
|
|
buf[0] = 0
|
|
C.snprintf(*char(buf), 50, '%s', C.V_COMMIT_HASH )
|
|
return tos_clone(buf)
|
|
}
|