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v/compiler/main.v
Delyan Angelov a45895a3af new benchmark module + make the tests use it
2019-09-16 17:29:06 +03:00

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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module main
import (
os
strings
benchmark
)
const (
Version = '0.1.19'
)
enum BuildMode {
// `v program.v'
// Build user code only, and add pre-compiled vlib (`cc program.o builtin.o os.o...`)
default_mode
// `v -embed_vlib program.v`
// vlib + user code in one file (slower compilation, but easier when working on vlib and cross-compiling)
embed_vlib
// `v -lib ~/v/os`
// build any module (generate os.o + os.vh)
build_module
}
const (
SupportedPlatforms = ['windows', 'mac', 'linux', 'freebsd', 'openbsd',
'netbsd', 'dragonfly', 'msvc', 'android', 'js']
ModPath = os.home_dir() + '/.vmodules/'
)
enum OS {
mac
linux
windows
freebsd
openbsd
netbsd
dragonfly
msvc
js
}
enum Pass {
// A very short pass that only looks at imports in the beginning of
// each file
imports
// First pass, only parses and saves declarations (fn signatures,
// consts, types).
// Skips function bodies.
// We need this because in V things can be used before they are
// declared.
decl
// Second pass, parses function bodies and generates C or machine code.
main
}
struct V {
mut:
os OS // the OS to build for
out_name_c string // name of the temporary C file
files []string // all V files that need to be parsed and compiled
dir string // directory (or file) being compiled (TODO rename to path?)
table &Table // table with types, vars, functions etc
cgen &CGen // C code generator
pref &Preferences // all the preferences and settings extracted to a struct for reusability
lang_dir string // "~/code/v"
out_name string // "program.exe"
vroot string
mod string // module being built with -lib
//parsers []Parser
}
struct Preferences {
mut:
build_mode BuildMode
nofmt bool // disable vfmt
is_test bool // `v test string_test.v`
is_script bool // single file mode (`v program.v`), main function can be skipped
is_live bool // for hot code reloading
is_so bool
is_prof bool // benchmark every function
translated bool // `v translate doom.v` are we running V code translated from C? allow globals, ++ expressions, etc
is_prod bool // use "-O2"
is_verbose bool // print extra information with `v.log()`
obfuscate bool // `v -obf program.v`, renames functions to "f_XXX"
is_repl bool
is_run bool
show_c_cmd bool // `v -show_c_cmd` prints the C command to build program.v.c
sanitize bool // use Clang's new "-fsanitize" option
is_debuggable bool
is_debug bool // keep compiled C files
no_auto_free bool // `v -nofree` disable automatic `free()` insertion for better performance in some applications (e.g. compilers)
cflags string // Additional options which will be passed to the C compiler.
// For example, passing -cflags -Os will cause the C compiler to optimize the generated binaries for size.
// You could pass several -cflags XXX arguments. They will be merged with each other.
// You can also quote several options at the same time: -cflags '-Os -fno-inline-small-functions'.
ccompiler string // the name of the used C compiler
building_v bool
autofree bool
}
fn main() {
// There's no `flags` module yet, so args have to be parsed manually
args := env_vflags_and_os_args()
// Print the version and exit.
if '-v' in args || '--version' in args || 'version' in args {
version_hash := vhash()
println('V $Version $version_hash')
return
}
if '-h' in args || '--help' in args || 'help' in args {
println(HelpText)
return
}
if 'translate' in args {
println('Translating C to V will be available in V 0.3')
return
}
if 'up' in args {
update_v()
return
}
if 'get' in args {
println('use `v install` to install modules from vpm.vlang.io ')
return
}
if 'symlink' in args {
create_symlink()
return
}
if 'install' in args {
install_v(args)
return
}
// TODO quit if the compiler is too old
// u := os.file_last_mod_unix('v')
// If there's no tmp path with current version yet, the user must be using a pre-built package
// Copy the `vlib` directory to the tmp path.
/*
// TODO
if !os.file_exists(TmpPath) && os.file_exists('vlib') {
}
*/
// Just fmt and exit
if 'fmt' in args {
vfmt(args)
return
}
// Construct the V object from command line arguments
mut v := new_v(args)
if args.join(' ').contains(' test v') {
v.test_v()
return
}
if v.pref.is_verbose {
println(args)
}
// Generate the docs and exit
if 'doc' in args {
// v.gen_doc_html_for_module(args.last())
exit(0)
}
if 'run' in args {
// always recompile for now, too error prone to skip recompilation otherwise
// for example for -repl usage, especially when piping lines to v
v.compile()
v.run_compiled_executable_and_exit()
}
// No args? REPL
if args.len < 2 || (args.len == 2 && args[1] == '-') || 'runrepl' in args {
run_repl()
return
}
v.compile()
if v.pref.is_test {
v.run_compiled_executable_and_exit()
}
}
fn (v mut V) compile() {
// Emily: Stop people on linux from being able to build with msvc
if os.user_os() != 'windows' && v.os == .msvc {
cerror('Cannot build with msvc on ${os.user_os()}')
}
mut cgen := v.cgen
cgen.genln('// Generated by V')
// Add builtin parsers
for i, file in v.files {
// v.parsers << v.new_parser(file)
}
if v.pref.is_verbose {
println('all .v files before:')
println(v.files)
}
v.add_v_files_to_compile()
if v.pref.is_verbose || v.pref.is_debug {
println('all .v files:')
println(v.files)
}
// First pass (declarations)
for file in v.files {
mut p := v.new_parser(file)
p.parse(.decl)
}
// Main pass
cgen.pass = Pass.main
if v.pref.is_debug {
$if js {
cgen.genln('const VDEBUG = 1;\n')
} $else {
cgen.genln('#define VDEBUG (1)')
}
}
if v.os == .js {
cgen.genln('#define _VJS (1) ')
}
if v.pref.building_v {
cgen.genln('#ifndef V_COMMIT_HASH')
cgen.genln('#define V_COMMIT_HASH "' + vhash() + '"')
cgen.genln('#endif')
}
$if js {
cgen.genln(js_headers)
} $else {
cgen.genln(CommonCHeaders)
}
v.generate_hotcode_reloading_declarations()
imports_json := 'json' in v.table.imports
// TODO remove global UI hack
if v.os == .mac && ((v.pref.build_mode == .embed_vlib && 'ui' in
v.table.imports) || (v.pref.build_mode == .build_module &&
v.dir.contains('/ui'))) {
cgen.genln('id defaultFont = 0; // main.v')
}
// We need the cjson header for all the json decoding user will do in default mode
if v.pref.build_mode == .default_mode {
if imports_json {
cgen.genln('#include "cJSON.h"')
}
}
if v.pref.build_mode == .embed_vlib || v.pref.build_mode == .default_mode {
// If we declare these for all modes, then when running `v a.v` we'll get
// `/usr/bin/ld: multiple definition of 'total_m'`
// TODO
//cgen.genln('i64 total_m = 0; // For counting total RAM allocated')
//if v.pref.is_test {
cgen.genln('int g_test_ok = 1; ')
//}
if 'json' in v.table.imports {
cgen.genln('
#define js_get(object, key) cJSON_GetObjectItemCaseSensitive((object), (key))
')
}
}
if '-debug_alloc' in os.args {
cgen.genln('#define DEBUG_ALLOC 1')
}
//cgen.genln('/*================================== FNS =================================*/')
cgen.genln('this line will be replaced with definitions')
defs_pos := cgen.lines.len - 1
for file in v.files {
mut p := v.new_parser(file)
p.parse(.main)
// p.g.gen_x64()
// Format all files (don't format automatically generated vlib headers)
if !v.pref.nofmt && !file.contains('/vlib/') {
// new vfmt is not ready yet
}
}
v.log('Done parsing.')
// Write everything
mut d := strings.new_builder(10000)// Avoid unnecessary allocations
$if !js {
d.writeln(cgen.includes.join_lines())
d.writeln(cgen.typedefs.join_lines())
d.writeln(v.type_definitions())
d.writeln('\nstring _STR(const char*, ...);\n')
d.writeln('\nstring _STR_TMP(const char*, ...);\n')
d.writeln(cgen.fns.join_lines()) // fn definitions
} $else {
d.writeln(v.type_definitions())
}
d.writeln(cgen.consts.join_lines())
d.writeln(cgen.thread_args.join_lines())
if v.pref.is_prof {
d.writeln('; // Prof counters:')
d.writeln(v.prof_counters())
}
dd := d.str()
cgen.lines[defs_pos] = dd// TODO `def.str()` doesn't compile
v.generate_main()
v.generate_hot_reload_code()
if v.pref.is_verbose {
v.log('flags=')
for flag in v.get_os_cflags() {
println(' * ' + flag.format())
}
}
$if js {
cgen.genln('main();')
}
cgen.save()
v.cc()
}
fn (v mut V) generate_main() {
mut cgen := v.cgen
$if js { return }
// if v.build_mode in [.default, .embed_vlib] {
if v.pref.build_mode == .default_mode || v.pref.build_mode == .embed_vlib {
mut consts_init_body := cgen.consts_init.join_lines()
for imp in v.table.imports {
if imp == 'http' {
consts_init_body += '\n http__init_module();'
}
}
// vlib can't have `init_consts()`
cgen.genln('void init_consts() {
#ifdef _WIN32
#ifndef _BOOTSTRAP_NO_UNICODE_STREAM
_setmode(_fileno(stdout), _O_U8TEXT);
SetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), ENABLE_PROCESSED_OUTPUT | 0x0004);
// ENABLE_VIRTUAL_TERMINAL_PROCESSING
#endif
#endif
g_str_buf=malloc(1000);
$consts_init_body
}')
// _STR function can't be defined in vlib
cgen.genln('
string _STR(const char *fmt, ...) {
va_list argptr;
va_start(argptr, fmt);
size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
va_end(argptr);
byte* buf = malloc(len);
va_start(argptr, fmt);
vsprintf((char *)buf, fmt, argptr);
va_end(argptr);
#ifdef DEBUG_ALLOC
puts("_STR:");
puts(buf);
#endif
return tos2(buf);
}
string _STR_TMP(const char *fmt, ...) {
va_list argptr;
va_start(argptr, fmt);
//size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
va_end(argptr);
va_start(argptr, fmt);
vsprintf((char *)g_str_buf, fmt, argptr);
va_end(argptr);
#ifdef DEBUG_ALLOC
//puts("_STR_TMP:");
//puts(g_str_buf);
#endif
return tos2(g_str_buf);
}
')
}
// Make sure the main function exists
// Obviously we don't need it in libraries
if v.pref.build_mode != .build_module {
if !v.table.main_exists() && !v.pref.is_test {
// It can be skipped in single file programs
if v.pref.is_script {
//println('Generating main()...')
cgen.genln('int main() { init_consts();')
cgen.genln('$cgen.fn_main;')
cgen.genln('return 0; }')
}
else {
println('panic: function `main` is undeclared in the main module')
exit(1)
}
}
// Generate `main` which calls every single test function
else if v.pref.is_test {
cgen.genln('int main() { init_consts();')
for _, f in v.table.fns {
if f.name.starts_with('test_') {
cgen.genln('$f.name();')
}
}
cgen.genln('return g_test_ok == 0; }')
}
}
}
fn final_target_out_name(out_name string) string {
mut cmd := if out_name.starts_with('/') {
out_name
}
else {
'./' + out_name
}
$if windows {
cmd = out_name
cmd = cmd.replace('/', '\\')
cmd += '.exe'
}
return cmd
}
fn (v V) run_compiled_executable_and_exit() {
if v.pref.is_verbose {
println('============ running $v.out_name ============')
}
mut cmd := '"' + final_target_out_name(v.out_name).replace('.exe','') + '"'
if os.args.len > 3 {
cmd += ' ' + os.args.right(3).join(' ')
}
if v.pref.is_test {
ret := os.system(cmd)
if ret != 0 {
exit(1)
}
}
if v.pref.is_run {
ret := os.system(cmd)
// TODO: make the runner wrapping as transparent as possible
// (i.e. use execve when implemented). For now though, the runner
// just returns the same exit code as the child process
// (see man system, man 2 waitpid: C macro WEXITSTATUS section)
exit( ret >> 8 )
}
exit(0)
}
fn (v &V) v_files_from_dir(dir string) []string {
mut res := []string
if !os.file_exists(dir) {
cerror('$dir doesn\'t exist')
} else if !os.dir_exists(dir) {
cerror('$dir isn\'t a directory')
}
mut files := os.ls(dir)
if v.pref.is_verbose {
println('v_files_from_dir ("$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('_js.v') {
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 << '$dir/$file'
}
return res
}
// Parses imports, adds necessary libs, and then user files
fn (v mut V) add_v_files_to_compile() {
mut dir := v.dir
v.log('add_v_files($dir)')
// Need to store user files separately, because they have to be added after libs, but we dont know
// which libs need to be added yet
mut user_files := []string
// v volt/slack_test.v: compile all .v files to get the environment
// I need to implement user packages! TODO
is_test_with_imports := dir.ends_with('_test.v') &&
(dir.contains('/volt') || dir.contains('/c2volt'))// TODO
if is_test_with_imports {
user_files << dir
pos := dir.last_index('/')
dir = dir.left(pos) + '/'// TODO WHY IS THIS .neEDED?
}
if dir.ends_with('.v') {
// Just compile one file and get parent dir
user_files << dir
dir = dir.all_before('/')
}
else {
// Add .v files from the directory being compiled
files := v.v_files_from_dir(dir)
for file in files {
user_files << file
}
}
if user_files.len == 0 {
println('No input .v files')
exit(1)
}
if v.pref.is_verbose {
v.log('user_files:')
println(user_files)
}
// Parse builtin imports
for file in v.files {
mut p := v.new_parser(file)
p.parse(.imports)
}
// Parse user imports
for file in user_files {
mut p := v.new_parser(file)
p.parse(.imports)
}
// Parse lib imports
/*
if v.pref.build_mode == .default_mode {
// strange ( for mod in v.table.imports ) dosent loop all items
// for mod in v.table.imports {
for i := 0; i < v.table.imports.len; i++ {
mod := v.table.imports[i]
mod_path := v.module_path(mod)
import_path := '$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_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 {
module_path = '$ModPath/vlib/$mod_p'
}
*/
if mod == 'builtin' { continue } // builtin files were already added
vfiles := v.v_files_from_dir(mod_path)
for file in vfiles {
if !(file in v.files) {
v.files << file
}
}
}
// Add remaining user files
mut j := 0
mut len := -1
for i, fit in v.table.file_imports {
// Don't add a duplicate; builtin files are always there
if fit.file_path in v.files || fit.module_name == 'builtin' {
continue
}
if len == -1 {
len = i
}
j++
// TODO remove this once imports work with .build
if v.pref.build_mode == .build_module && j >= len / 2{
break
}
//println(fit)
//println('fit $fit.file_path')
v.files << fit.file_path
}
}
fn get_arg(joined_args, arg, def string) string {
return get_all_after(joined_args, '-$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) = "$res"')
return res
}
fn (v &V) module_path(mod string) string {
// submodule support
if mod.contains('.') {
//return mod.replace('.', os.PathSeparator)
return mod.replace('.', '/')
}
return mod
}
fn (v &V) log(s string) {
if !v.pref.is_verbose {
return
}
println(s)
}
fn new_v(args[]string) &V {
joined_args := args.join(' ')
target_os := get_arg(joined_args, 'os', '')
mut out_name := get_arg(joined_args, 'o', 'a.out')
mut dir := args.last()
if 'run' in args {
dir = get_all_after(joined_args, 'run', '')
}
if dir.ends_with(os.PathSeparator) {
dir = dir.all_before_last(os.PathSeparator)
}
if args.len < 2 {
dir = ''
}
// println('new compiler "$dir"')
// build mode
mut build_mode := BuildMode.default_mode
mut mod := ''
//if args.contains('-lib') {
if joined_args.contains('build module ') {
build_mode = .build_module
// v build module ~/v/os => os.o
//mod = os.dir(dir)
mod = if dir.contains(os.PathSeparator) {
dir.all_after(os.PathSeparator)
} else {
dir
}
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 $out_name')
}
*/
}
// TODO embed_vlib is temporarily the default mode. It's much slower.
else if !('-embed_vlib' in args) {
build_mode = .embed_vlib
}
//
is_test := dir.ends_with('_test.v')
is_script := dir.ends_with('.v')
if is_script && !os.file_exists(dir) {
println('`$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(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
}
$if dragonfly {
_os = .dragonfly
}
}
else {
switch target_os {
case 'linux': _os = .linux
case 'windows': _os = .windows
case 'mac': _os = .mac
case 'freebsd': _os = .freebsd
case 'openbsd': _os = .openbsd
case 'netbsd': _os = .netbsd
case 'dragonfly': _os = .dragonfly
case 'msvc': _os = .msvc
case 'js': _os = .js
}
}
//println('OS=$_os')
builtin := 'builtin.v'
builtins := [
'array.v',
'string.v',
'builtin.v',
'int.v',
'utf8.v',
'map.v',
'option.v',
]
//println(builtins)
// Location of all vlib files
vroot := os.dir(os.executable())
//println('VROOT=$vroot')
// v.exe's parent directory should contain vlib
if !os.dir_exists(vroot) || !os.dir_exists(vroot + '/vlib/builtin') {
println('vlib not found. It should be next to the V executable. ')
println('Go to https://vlang.io to install V.')
exit(1)
}
//println('out_name:$out_name')
mut out_name_c := os.realpath( out_name ) + '.tmp.c'
mut files := []string
// Add builtin files
//if !out_name.contains('builtin.o') {
for builtin in builtins {
mut f := '$vroot/vlib/builtin/$builtin'
__ := 1
$if js {
f = '$vroot/vlib/builtin/js/$builtin'
}
// In default mode we use precompiled vlib.o, point to .vh files with signatures
if build_mode == .default_mode || build_mode == .build_module {
//f = '$TmpPath/vlib/builtin/${builtin}h'
}
files << f
}
mut cflags := ''
for ci, cv in args {
if cv == '-cflags' {
cflags += args[ci+1] + ' '
}
}
rdir := os.realpath( dir )
rdir_name := os.filename( rdir )
obfuscate := '-obf' in args
is_repl := '-repl' in args
pref := &Preferences {
is_test: is_test
is_script: is_script
is_so: '-shared' in args
is_prod: '-prod' in args
is_verbose: '-verbose' in args || '--verbose' in args
is_debuggable: '-g' in args
is_debug: '-debug' in args || '-g' in args
obfuscate: obfuscate
is_prof: '-prof' in args
is_live: '-live' in args
sanitize: '-sanitize' in args
nofmt: '-nofmt' in args
show_c_cmd: '-show_c_cmd' in args
translated: 'translated' in args
is_run: 'run' in args
autofree: 'autofree' in args
is_repl: is_repl
build_mode: build_mode
cflags: cflags
ccompiler: find_c_compiler()
building_v: !is_repl && (rdir_name == 'compiler' || dir.contains('vlib'))
}
if pref.is_verbose || pref.is_debug {
println('C compiler=$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
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
}
}
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)
$if windows {
v_backup_file := '$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 {
cerror(err)
return
}
println(s2.output)
} $else {
s2 := os.exec('make -C "$vroot"') or {
cerror(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')
vgetcompilation := os.exec('$vexec -o $vget vget.v') or {
cerror(err)
return
}
if vgetcompilation.exit_code != 0 {
cerror( vgetcompilation.output )
return
}
}
vgetresult := os.exec('$vget ' + names.join(' ')) or {
cerror(err)
return
}
if vgetresult.exit_code != 0 {
cerror( vgetresult.output )
return
}
}
fn (v &V) 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 $file`
mut joined_args := args.right(1).join(' ')
joined_args = joined_args.left(joined_args.last_index('test'))
// println('$joined_args')
mut failed := false
test_files := os.walk_ext('.', '_test.v')
println('Testing...')
mut tmark := benchmark.new_benchmark()
tmark.verbose = v.pref.is_verbose
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')
mut cmd := '"$vexe" $joined_args -debug "$file"'
if os.user_os() == 'windows' { cmd = '"$cmd"' }
tmark.step()
r := os.exec(cmd) or {
tmark.fail()
failed = true
println(tmark.step_message('$relative_file FAIL'))
continue
}
if r.exit_code != 0 {
failed = true
tmark.fail()
println(tmark.step_message('$relative_file FAIL \n`$file`\n (\n$r.output\n)'))
} else {
tmark.ok()
println(tmark.step_message('$relative_file OK'))
}
os.rm( tmpcfilepath )
}
tmark.stop()
println( tmark.total_message('running V tests') )
println('\nBuilding examples...')
examples := os.walk_ext('examples', '.v')
mut bmark := benchmark.new_benchmark()
bmark.verbose = v.pref.is_verbose
for relative_file in examples {
file := os.realpath( relative_file )
tmpcfilepath := file.replace('.v', '.tmp.c')
mut cmd := '"$vexe" $joined_args -debug "$file"'
if os.user_os() == 'windows' { cmd = '"$cmd"' }
bmark.step()
r := os.exec(cmd) or {
failed = true
bmark.fail()
println(bmark.step_message('$relative_file FAIL'))
continue
}
if r.exit_code != 0 {
failed = true
bmark.fail()
println(bmark.step_message('$relative_file FAIL \n`$file`\n (\n$r.output\n)'))
} else {
bmark.ok()
println(bmark.step_message('$relative_file OK'))
}
os.rm(tmpcfilepath)
}
bmark.stop()
println( bmark.total_message('building examples') )
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)
}
fn vhash() string {
mut buf := [50]byte
buf[0] = 0
C.snprintf(buf, 50, '%s', C.V_COMMIT_HASH )
return tos_clone(buf)
}
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