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run vfmt on cc, cgen, comptime, if_match

pull/3153/head
Alexander Medvednikov 2019-12-19 23:36:18 +03:00
parent ce86626ec2
commit d38687f893
6 changed files with 353 additions and 361 deletions
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3
vlib/builtin/array.v
View File

@ -453,7 +453,9 @@ pub fn (a []int) reduce(iter fn(accum, curr int)int, accum_start int) int {
// array_eq<T> checks if two arrays contain all the same elements in the same order.
// []int == []int (also for: i64, f32, f64, byte, string)
/*
fn array_eq<T>(a1, a2 []T) bool {
if a1.len != a2.len {
return false
}
@ -484,3 +486,4 @@ pub fn (a []byte) eq(a2 []byte) bool {
pub fn (a []f32) eq(a2 []f32) bool {
return array_eq(a, a2)
}
*/

228
vlib/compiler/cc.v
View File

@ -1,7 +1,6 @@
// 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 compiler
import (
@ -11,12 +10,11 @@ import (
)
fn todo() {
}
fn (v &V) no_cc_installed() bool {
$if windows {
os.exec('$v.pref.ccompiler -v') or {
os.exec('$v.pref.ccompiler -v')or{
if v.pref.is_verbose {
println('C compiler not found, trying to build with msvc...')
}
@ -49,7 +47,8 @@ fn (v mut V) cc() {
ret := os.system('$vexe -o $vjs_path -os js $vdir/v.v')
if ret == 0 {
println('Done.')
} else {
}
else {
println('Failed.')
exit(1)
}
@ -61,9 +60,10 @@ fn (v mut V) cc() {
}
}
}
// v.out_name_c may be on a different partition than v.out_name
os.mv_by_cp(v.out_name_c, v.out_name) or { panic(err) }
os.mv_by_cp(v.out_name_c, v.out_name)or{
panic(err)
}
exit(0)
}
// Cross compiling for Windows
@ -80,54 +80,47 @@ fn (v mut V) cc() {
}
}
// arguments for the C compiler
mut a := [v.pref.cflags, '-std=gnu11',
'-Wall',
'-Wextra',
// TODO : activate -Werror once no warnings remain
// '-Werror',
// TODO : try and remove the below workaround options when the corresponding
// warnings are totally fixed/removed
'-Wno-unused-variable',
//'-Wno-unused-but-set-variable',
'-Wno-unused-parameter',
'-Wno-unused-result',
'-Wno-unused-function',
'-Wno-missing-braces',
'-Wno-unused-label']
mut a := [v.pref.cflags, '-std=gnu11', '-Wall', '-Wextra',
// TODO : activate -Werror once no warnings remain
// '-Werror',
// TODO : try and remove the below workaround options when the corresponding
// warnings are totally fixed/removed
'-Wno-unused-variable',
// '-Wno-unused-but-set-variable',
'-Wno-unused-parameter', '-Wno-unused-result', '-Wno-unused-function', '-Wno-missing-braces', '-Wno-unused-label']
// TCC on Linux by default, unless -cc was provided
// TODO if -cc = cc, TCC is still used, default compiler should be
// used instead.
if v.pref.fast {
$if linux {
$if !android {
tcc_3rd := '$vdir/thirdparty/tcc/bin/tcc'
//println('tcc third "$tcc_3rd"')
tcc_path := '/var/tmp/tcc/bin/tcc'
if os.exists(tcc_3rd) && !os.exists(tcc_path) {
//println('moving tcc')
// if there's tcc in thirdparty/, that means this is
// a prebuilt V_linux.zip.
// Until the libtcc1.a bug is fixed, we neeed to move
// it to /var/tmp/
os.system('mv $vdir/thirdparty/tcc /var/tmp/')
$if !android {
tcc_3rd := '$vdir/thirdparty/tcc/bin/tcc'
// println('tcc third "$tcc_3rd"')
tcc_path := '/var/tmp/tcc/bin/tcc'
if os.exists(tcc_3rd) && !os.exists(tcc_path) {
// println('moving tcc')
// if there's tcc in thirdparty/, that means this is
// a prebuilt V_linux.zip.
// Until the libtcc1.a bug is fixed, we neeed to move
// it to /var/tmp/
os.system('mv $vdir/thirdparty/tcc /var/tmp/')
}
if v.pref.ccompiler == 'cc' && os.exists(tcc_path) {
// TODO tcc bug, needs an empty libtcc1.a fila
// os.mkdir('/var/tmp/tcc/lib/tcc/') or { panic(err) }
// os.create('/var/tmp/tcc/lib/tcc/libtcc1.a')
v.pref.ccompiler = tcc_path
a << '-m64'
}
}
if v.pref.ccompiler == 'cc' && os.exists(tcc_path) {
// TODO tcc bug, needs an empty libtcc1.a fila
//os.mkdir('/var/tmp/tcc/lib/tcc/') or { panic(err) }
//os.create('/var/tmp/tcc/lib/tcc/libtcc1.a')
v.pref.ccompiler = tcc_path
a << '-m64'
}
}
} $else {
verror('-fast is only supported on Linux right now')
}
}
//linux_host := os.user_os() == 'linux'
// linux_host := os.user_os() == 'linux'
v.log('cc() isprod=$v.pref.is_prod outname=$v.out_name')
if v.pref.is_so {
a << '-shared -fPIC '// -Wl,-z,defs'
a << '-shared -fPIC ' // -Wl,-z,defs'
v.out_name = v.out_name + '.so'
}
if v.pref.is_bare {
@ -135,39 +128,31 @@ fn (v mut V) cc() {
}
if v.pref.build_mode == .build_module {
// Create the modules & out directory if it's not there.
mut out_dir := if v.dir.starts_with('vlib') {
'$v_modules_path${os.path_separator}cache${os.path_separator}$v.dir'
} else {
'$v_modules_path${os.path_separator}$v.dir'
}
mut out_dir := if v.dir.starts_with('vlib') { '$v_modules_path${os.path_separator}cache${os.path_separator}$v.dir' } else { '$v_modules_path${os.path_separator}$v.dir' }
pdir := out_dir.all_before_last(os.path_separator)
if !os.is_dir(pdir) {
os.mkdir_all(pdir)
}
v.out_name = '${out_dir}.o' //v.out_name
v.out_name = '${out_dir}.o' // v.out_name
println('Building ${v.out_name}...')
}
debug_mode := v.pref.is_debug
mut debug_options := '-g'
mut optimization_options := '-O2'
mut guessed_compiler := v.pref.ccompiler
if guessed_compiler == 'cc' && v.pref.is_prod {
// deliberately guessing only for -prod builds for performance reasons
if ccversion := os.exec('cc --version') {
if ccversion:=os.exec('cc --version'){
if ccversion.exit_code == 0 {
if ccversion.output.contains('This is free software;')
&& ccversion.output.contains('Free Software Foundation, Inc.') {
if ccversion.output.contains('This is free software;') && ccversion.output.contains('Free Software Foundation, Inc.') {
guessed_compiler = 'gcc'
}
if ccversion.output.contains('clang version '){
if ccversion.output.contains('clang version ') {
guessed_compiler = 'clang'
}
}
}
}
if v.pref.ccompiler.contains('clang') || guessed_compiler == 'clang' {
if debug_mode {
debug_options = '-g -O0 -no-pie'
@ -180,57 +165,60 @@ fn (v mut V) cc() {
}
optimization_options = '-O3 -fno-strict-aliasing -flto'
}
if debug_mode {
a << debug_options
}
if v.pref.is_prod {
a << optimization_options
}
if debug_mode && os.user_os() != 'windows'{
if debug_mode && os.user_os() != 'windows' {
a << ' -rdynamic ' // needed for nicer symbolic backtraces
}
if v.pref.ccompiler != 'msvc' && v.os != .freebsd {
a << '-Werror=implicit-function-declaration'
}
for f in v.generate_hotcode_reloading_compiler_flags() {
a << f
}
mut libs := ''// builtin.o os.o http.o etc
mut libs := '' // builtin.o os.o http.o etc
if v.pref.build_mode == .build_module {
a << '-c'
}
else if v.pref.is_cache {
builtin_o_path := filepath.join(v_modules_path, 'cache', 'vlib', 'builtin.o')
builtin_o_path := filepath.join(v_modules_path,'cache','vlib','builtin.o')
a << builtin_o_path.replace('builtin.o', 'strconv.o') // TODO hack no idea why this is needed
if os.exists(builtin_o_path) {
libs = builtin_o_path
} else {
}
else {
println('$builtin_o_path not found... building module builtin')
os.system('$vexe build module vlib${os.path_separator}builtin')
}
for imp in v.table.imports {
if imp.contains('vweb') { continue } // not working
if imp == 'webview' { continue }
if imp.contains('vweb') {
continue
} // not working
if imp == 'webview' {
continue
}
imp_path := imp.replace('.', os.path_separator)
path := '$v_modules_path${os.path_separator}cache${os.path_separator}vlib${os.path_separator}${imp_path}.o'
//println('adding ${imp_path}.o')
path := '$v_modules_path${os.path_separator}cache${os.path_separator}vlib${os.path_separator}${imp_path}.o'
// println('adding ${imp_path}.o')
if os.exists(path) {
libs += ' ' + path
} else {
}
else {
println('$path not found... building module $imp')
if path.ends_with('vlib/ui.o') {
println('copying ui...')
os.cp('$vdir/thirdparty/ui/ui.o', path) or { panic('error copying ui files') }
os.cp('$vdir/thirdparty/ui/ui.vh', v_modules_path +
'/vlib/ui.vh') or { panic('error copying ui files') }
} else {
os.cp('$vdir/thirdparty/ui/ui.o', path)or{
panic('error copying ui files')
}
os.cp('$vdir/thirdparty/ui/ui.vh', v_modules_path + '/vlib/ui.vh')or{
panic('error copying ui files')
}
}
else {
os.system('$vexe build module vlib${os.path_separator}$imp_path')
}
}
@ -259,7 +247,7 @@ fn (v mut V) cc() {
// Output executable name
a << '-o "$v.out_name"'
if os.is_dir(v.out_name) {
verror('\'$v.out_name\' is a directory')
verror("\'$v.out_name\' is a directory")
}
// macOS code can include objective C TODO remove once objective C is replaced with C
if v.os == .mac {
@ -275,33 +263,27 @@ fn (v mut V) cc() {
a << '-mmacosx-version-min=10.7'
}
cflags := v.get_os_cflags()
// add .o files
a << cflags.c_options_only_object_files()
// add all flags (-I -l -L etc) not .o files
a << cflags.c_options_without_object_files()
a << libs
// Without these libs compilation will fail on Linux
// || os.user_os() == 'linux'
if !v.pref.is_bare && v.pref.build_mode != .build_module && v.os in [ .linux, .freebsd,
.openbsd, .netbsd, .dragonfly, .solaris, .haiku ] {
if !v.pref.is_bare && v.pref.build_mode != .build_module && v.os in [.linux, .freebsd, .openbsd, .netbsd, .dragonfly, .solaris, .haiku] {
a << '-lm -lpthread '
// -ldl is a Linux only thing. BSDs have it in libc.
if v.os == .linux {
a << ' -ldl '
}
if v.os == .freebsd {
// FreeBSD: backtrace needs execinfo library while linking
// FreeBSD: backtrace needs execinfo library while linking
a << ' -lexecinfo '
}
}
if !v.pref.is_bare && v.os == .js && os.user_os() == 'linux' {
a << '-lm'
}
args := a.join(' ')
start:
todo()
@ -313,7 +295,7 @@ start:
println(cmd)
}
ticks := time.ticks()
res := os.exec(cmd) or {
res := os.exec(cmd)or{
// C compilation failed.
// If we are on Windows, try msvc
println('C compilation failed.')
@ -324,6 +306,7 @@ start:
return
}
*/
verror(err)
return
}
@ -337,29 +320,22 @@ start:
goto start
}
}
verror('C compiler error, while attempting to run: \n' +
'-----------------------------------------------------------\n' +
'$cmd\n' +
'-----------------------------------------------------------\n' +
'Probably your C compiler is missing. \n' +
'Please reinstall it, or make it available in your PATH.\n\n' +
missing_compiler_info())
verror('C compiler error, while attempting to run: \n' + '-----------------------------------------------------------\n' + '$cmd\n' + '-----------------------------------------------------------\n' + 'Probably your C compiler is missing. \n' + 'Please reinstall it, or make it available in your PATH.\n\n' + missing_compiler_info())
}
if v.pref.is_debug {
println(res.output)
} else {
}
else {
partial_output := res.output.limit(200).trim_right('\r\n')
print(partial_output)
if res.output.len > partial_output.len {
println('...\n(Use `v -g` to print the entire error message)\n')
}else{
}
else {
println('')
}
}
verror('C error. This should never happen. ' +
'\nPlease create a GitHub issue: https://github.com/vlang/v/issues/new/choose')
verror('C error. This should never happen. ' + '\nPlease create a GitHub issue: https://github.com/vlang/v/issues/new/choose')
}
diff := time.ticks() - ticks
// Print the C command
@ -389,6 +365,7 @@ start:
println('linux cross compilation done. resulting binary: "$v.out_name"')
}
*/
if !v.pref.is_keep_c && v.out_name_c != 'v.c' {
os.rm(v.out_name_c)
}
@ -409,8 +386,7 @@ start:
println('install upx with `brew install upx`')
}
$if linux {
println('install upx\n' +
'for example, on Debian/Ubuntu run `sudo apt install upx`')
println('install upx\n' + 'for example, on Debian/Ubuntu run `sudo apt install upx`')
}
$if windows {
// :)
@ -419,7 +395,6 @@ start:
}
}
fn (c mut V) cc_windows_cross() {
if !c.out_name.ends_with('.exe') {
c.out_name = c.out_name + '.exe'
@ -427,28 +402,20 @@ fn (c mut V) cc_windows_cross() {
mut args := '-o $c.out_name -w -L. '
cflags := c.get_os_cflags()
// -I flags
args += if c.pref.ccompiler == 'msvc' {
cflags.c_options_before_target_msvc()
} else {
cflags.c_options_before_target()
}
args += if c.pref.ccompiler == 'msvc' { cflags.c_options_before_target_msvc() } else { cflags.c_options_before_target() }
mut libs := ''
if c.pref.build_mode == .default_mode {
libs = '"$v_modules_path/vlib/builtin.o"'
if !os.exists(libs) {
println('`$libs` not found')
exit(1)
println('`$libs` not found')
exit(1)
}
for imp in c.table.imports {
libs += ' "$v_modules_path/vlib/${imp}.o"'
libs += ' "$v_modules_path/vlib/${imp}.o"'
}
}
args += ' $c.out_name_c '
args += if c.pref.ccompiler == 'msvc' {
cflags.c_options_after_target_msvc()
} else {
cflags.c_options_after_target()
}
args += if c.pref.ccompiler == 'msvc' { cflags.c_options_after_target_msvc() } else { cflags.c_options_after_target() }
println('Cross compiling for Windows...')
winroot := '$v_modules_path/winroot'
if !os.is_dir(winroot) {
@ -456,8 +423,7 @@ fn (c mut V) cc_windows_cross() {
println('"$winroot" not found.')
println('Download it from $winroot_url and save it in $v_modules_path')
println('Unzip it afterwards.\n')
println('winroot.zip contains all library and header files needed '+
'to cross-compile for Windows.')
println('winroot.zip contains all library and header files needed ' + 'to cross-compile for Windows.')
exit(1)
}
mut obj_name := c.out_name
@ -466,21 +432,18 @@ fn (c mut V) cc_windows_cross() {
include := '-I $winroot/include '
cmd := 'clang -o $obj_name -w $include -m32 -c -target x86_64-win32 $v_modules_path/$c.out_name_c'
if c.pref.show_c_cmd {
println(cmd)
println(cmd)
}
if os.system(cmd) != 0 {
println('Cross compilation for Windows failed. Make sure you have clang installed.')
exit(1)
}
if c.pref.build_mode != .build_module {
link_cmd := 'lld-link $obj_name $winroot/lib/libcmt.lib ' +
'$winroot/lib/libucrt.lib $winroot/lib/kernel32.lib $winroot/lib/libvcruntime.lib ' +
'$winroot/lib/uuid.lib'
link_cmd := 'lld-link $obj_name $winroot/lib/libcmt.lib ' + '$winroot/lib/libucrt.lib $winroot/lib/kernel32.lib $winroot/lib/libvcruntime.lib ' + '$winroot/lib/uuid.lib'
if c.pref.show_c_cmd {
println(link_cmd)
}
if os.system(link_cmd) != 0 {
if os.system(link_cmd) != 0 {
println('Cross compilation for Windows failed. Make sure you have lld linker installed.')
exit(1)
}
@ -492,7 +455,7 @@ fn (c mut V) cc_windows_cross() {
fn (c &V) build_thirdparty_obj_files() {
for flag in c.get_os_cflags() {
if flag.value.ends_with('.o') {
rest_of_module_flags := c.get_rest_of_module_cflags( flag )
rest_of_module_flags := c.get_rest_of_module_cflags(flag)
if c.pref.ccompiler == 'msvc' || c.no_cc_installed() {
build_thirdparty_obj_file_with_msvc(flag.value, rest_of_module_flags)
}
@ -506,22 +469,24 @@ fn (c &V) build_thirdparty_obj_files() {
fn find_c_compiler() string {
args := env_vflags_and_os_args().join(' ')
defaultcc := find_c_compiler_default()
return get_arg( args, 'cc', defaultcc )
return get_arg(args, 'cc', defaultcc)
}
fn find_c_compiler_default() string {
//fast_clang := '/usr/local/Cellar/llvm/8.0.0/bin/clang'
//if os.exists(fast_clang) {
// return fast_clang
//}
// fast_clang := '/usr/local/Cellar/llvm/8.0.0/bin/clang'
// if os.exists(fast_clang) {
// return fast_clang
// }
// TODO fix $if after 'string'
$if windows { return 'gcc' }
$if windows {
return 'gcc'
}
return 'cc'
}
fn find_c_compiler_thirdparty_options() string {
fullargs := env_vflags_and_os_args()
mut cflags := get_cmdline_cflags( fullargs )
mut cflags := get_cmdline_cflags(fullargs)
$if !windows {
cflags += ' -fPIC'
}
@ -535,7 +500,7 @@ fn get_cmdline_cflags(args []string) string {
mut cflags := ''
for ci, cv in args {
if cv == '-cflags' {
cflags += args[ci+1] + ' '
cflags += args[ci + 1] + ' '
}
}
return cflags
@ -553,3 +518,4 @@ fn missing_compiler_info() string {
}
return ''
}

264
vlib/compiler/cgen.v
View File

@ -1,34 +1,33 @@
// 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 compiler
import os
import strings
struct CGen {
out os.File
out_path string
//types []string
thread_fns []string
//buf strings.Builder
is_user bool
out os.File
out_path string
// types []string
thread_fns []string
// buf strings.Builder
is_user bool
mut:
lines []string
lines_extra []string
typedefs []string
type_aliases []string
includes []string
thread_args []string
consts []string
const_defines []string
fns []string
so_fns []string
consts_init []string
pass Pass
lines []string
lines_extra []string
typedefs []string
type_aliases []string
includes []string
thread_args []string
consts []string
const_defines []string
fns []string
so_fns []string
consts_init []string
pass Pass
nogen bool
prev_tmps []string
prev_tmps []string
tmp_line string
cur_line string
prev_line string
@ -38,19 +37,21 @@ mut:
file string
line int
line_directives bool
cut_pos int
cut_pos int
}
fn new_cgen(out_name_c string) &CGen {
path := out_name_c
out := os.create(path) or {
out := os.create(path)or{
println('failed to create $path')
return &CGen{}
return &CGen{
}
}
gen := &CGen {
gen := &CGen{
out_path: path
out: out
//buf: strings.new_builder(10000)
// buf: strings.new_builder(10000)
lines: make(0, 1000, sizeof(string))
}
return gen
@ -118,9 +119,8 @@ fn (g mut CGen) save() {
g.out.close()
}
// returns expression's type, and entire expression's string representation)
fn (p mut Parser) tmp_expr() (string, string) {
fn (p mut Parser) tmp_expr() (string,string) {
// former start_tmp()
if p.cgen.is_tmp {
p.cgen.prev_tmps << p.cgen.tmp_line
@ -130,16 +130,16 @@ fn (p mut Parser) tmp_expr() (string, string) {
p.cgen.is_tmp = true
//
typ := p.bool_expression()
res := p.cgen.tmp_line
if p.cgen.prev_tmps.len > 0 {
p.cgen.tmp_line = p.cgen.prev_tmps.last()
p.cgen.prev_tmps = p.cgen.prev_tmps[0..p.cgen.prev_tmps.len-1]
} else {
p.cgen.prev_tmps = p.cgen.prev_tmps[0..p.cgen.prev_tmps.len - 1]
}
else {
p.cgen.tmp_line = ''
p.cgen.is_tmp = false
}
return typ, res
return typ,res
}
fn (g &CGen) add_placeholder() int {
@ -170,10 +170,10 @@ fn (g mut CGen) set_placeholder(pos int, val string) {
if g.nogen || g.pass != .main {
return
}
//if pos == 0 {
//g.prepend_to_statement(val)
//return
//}
// if pos == 0 {
// g.prepend_to_statement(val)
// return
// }
// g.lines.set(pos, val)
if g.is_tmp {
left := g.tmp_line[..pos]
@ -208,9 +208,9 @@ fn (g mut CGen) register_thread_fn(wrapper_name, wrapper_text, struct_text strin
fn (v &V) prof_counters() string {
res := []string
// Global fns
//for f in c.table.fns {
//res << 'double ${c.table.cgen_name(f)}_time;'
//}
// for f in c.table.fns {
// res << 'double ${c.table.cgen_name(f)}_time;'
// }
// Methods
/*
for typ in c.table.types {
@ -222,16 +222,17 @@ fn (v &V) prof_counters() string {
}
}
*/
return res.join(';\n')
}
fn (p &Parser) print_prof_counters() string {
res := []string
// Global fns
//for f in p.table.fns {
//counter := '${p.table.cgen_name(f)}_time'
//res << 'if ($counter) printf("%%f : $f.name \\n", $counter);'
//}
// for f in p.table.fns {
// counter := '${p.table.cgen_name(f)}_time'
// res << 'if ($counter) printf("%%f : $f.name \\n", $counter);'
// }
// Methods
/*
for typ in p.table.types {
@ -246,6 +247,7 @@ fn (p &Parser) print_prof_counters() string {
}
}
*/
return res.join(';\n')
}
@ -267,7 +269,6 @@ fn (g mut CGen) add_to_main(s string) {
g.fn_main = g.fn_main + s
}
fn build_thirdparty_obj_file(path string, moduleflags []CFlag) {
obj_path := os.realpath(path)
if os.exists(obj_path) {
@ -275,11 +276,13 @@ fn build_thirdparty_obj_file(path string, moduleflags []CFlag) {
}
println('$obj_path not found, building it...')
parent := os.dir(obj_path)
files := os.ls(parent) or { panic(err) }
files := os.ls(parent)or{
panic(err)
}
mut cfiles := ''
for file in files {
if file.ends_with('.c') {
cfiles += '"' + os.realpath( parent + os.path_separator + file ) + '" '
cfiles += '"' + os.realpath(parent + os.path_separator + file) + '" '
}
}
cc := find_c_compiler()
@ -287,7 +290,7 @@ fn build_thirdparty_obj_file(path string, moduleflags []CFlag) {
btarget := moduleflags.c_options_before_target()
atarget := moduleflags.c_options_after_target()
cmd := '$cc $cc_thirdparty_options $btarget -c -o "$obj_path" $cfiles $atarget '
res := os.exec(cmd) or {
res := os.exec(cmd)or{
println('failed thirdparty object build cmd: $cmd')
verror(err)
return
@ -302,42 +305,82 @@ fn build_thirdparty_obj_file(path string, moduleflags []CFlag) {
fn os_name_to_ifdef(name string) string {
match name {
'windows' { return '_WIN32' }
'mac' { return '__APPLE__' }
'macos' { return '__APPLE__' }
'linux' { return '__linux__' }
'freebsd' { return '__FreeBSD__' }
'openbsd'{ return '__OpenBSD__' }
'netbsd'{ return '__NetBSD__' }
'dragonfly'{ return '__DragonFly__' }
'msvc'{ return '_MSC_VER' }
'android'{ return '__BIONIC__' }
'js' {return '_VJS' }
'solaris'{ return '__sun' }
'haiku' { return '__haiku__' }
else { verror('bad os ifdef name "$name"') }
}
//verror('bad os ifdef name "$name"')
'windows' {
return '_WIN32'
}
'mac' {
return '__APPLE__'
}
'macos' {
return '__APPLE__'
}
'linux' {
return '__linux__'
}
'freebsd' {
return '__FreeBSD__'
}
'openbsd' {
return '__OpenBSD__'
}
'netbsd' {
return '__NetBSD__'
}
'dragonfly' {
return '__DragonFly__'
}
'msvc' {
return '_MSC_VER'
}
'android' {
return '__BIONIC__'
}
'js' {
return '_VJS'
}
'solaris' {
return '__sun'
}
'haiku' {
return '__haiku__'
}
else {
verror('bad os ifdef name "$name"')
}}
// verror('bad os ifdef name "$name"')
return ''
}
fn platform_postfix_to_ifdefguard(name string) string {
s := match name {
'.v' { '' }// no guard needed
'_win.v', '_windows.v' { '#ifdef _WIN32' }
'_nix.v' { '#ifndef _WIN32' }
'_lin.v', '_linux.v' { '#ifdef __linux__' }
'_mac.v', '_darwin.v' { '#ifdef __APPLE__' }
'_bsd.v', '_freebsd.v '{ '#ifdef __FreeBSD__'}
'_solaris.v' { '#ifdef __sun' }
'_haiku.v' { '#ifdef __haiku__' }
else {
//verror('bad platform_postfix "$name"')
// TODO
'.v'{
''
} // no guard needed
'_win.v','_windows.v'{
'#ifdef _WIN32'
}
}
'_nix.v'{
'#ifndef _WIN32'
}
'_lin.v','_linux.v'{
'#ifdef __linux__'
}
'_mac.v','_darwin.v'{
'#ifdef __APPLE__'
}
'_bsd.v','_freebsd.v '{
'#ifdef __FreeBSD__'
}
'_solaris.v'{
'#ifdef __sun'
}
'_haiku.v'{
'#ifdef __haiku__'
}
else {
// verror('bad platform_postfix "$name"')
// TODO
''}}
if s == '' {
verror('bad platform_postfix "$name"')
}
@ -366,8 +409,7 @@ fn (v &V) type_definitions() string {
// sort structs
types_sorted := sort_structs(types)
// Generate C code
res := types_to_c(builtin_types,v.table) + '\n//----\n' +
types_to_c(types_sorted, v.table)
res := types_to_c(builtin_types, v.table) + '\n//----\n' + types_to_c(types_sorted, v.table)
return res
}
@ -385,13 +427,12 @@ fn sort_structs(types []Type) []Type {
mut field_deps := []string
for field in t.fields {
// Need to handle fixed size arrays as well (`[10]Point`)
ft := if field.typ.starts_with('[') { field.typ.all_after(']') }
else { field.typ }
ft := if field.typ.starts_with('[') { field.typ.all_after(']') } else { field.typ }
// skip if not in types list or already in deps
if !(ft in type_names) || ft in field_deps {
continue
}
field_deps << ft//field.typ
field_deps << ft // field.typ
}
// add type and dependant types to graph
dep_graph.add(t.name, field_deps)
@ -399,10 +440,7 @@ fn sort_structs(types []Type) []Type {
// sort graph
dep_graph_sorted := dep_graph.resolve()
if !dep_graph_sorted.acyclic {
verror('cgen.sort_structs(): the following structs form a dependency cycle:\n' +
dep_graph_sorted.display_cycles() +
'\nyou can solve this by making one or both of the dependant struct fields references, eg: field &MyStruct' +
'\nif you feel this is an error, please create a new issue here: https://github.com/vlang/v/issues and tag @joe-conigliaro')
verror('cgen.sort_structs(): the following structs form a dependency cycle:\n' + dep_graph_sorted.display_cycles() + '\nyou can solve this by making one or both of the dependant struct fields references, eg: field &MyStruct' + '\nif you feel this is an error, please create a new issue here: https://github.com/vlang/v/issues and tag @joe-conigliaro')
}
// sort types
mut types_sorted := []Type
@ -419,35 +457,33 @@ fn sort_structs(types []Type) []Type {
// Generates interface table and interface indexes
fn (v &V) interface_table() string {
mut sb := strings.new_builder(100)
for _, t in v.table.typesmap {
if t.cat != .interface_ {
continue
}
mut methods := ''
sb.writeln('// NR methods = $t.gen_types.len')
for i, gen_type in t.gen_types {
methods += '{'
for j, method in t.methods {
// Cat_speak
methods += '${gen_type}_${method.name}'
if j < t.methods.len - 1 {
methods += ', '
}
}
methods += '}, '
// Speaker_Cat_index = 0
sb.writeln('int _${t.name}_${gen_type}_index = $i;')
}
if t.gen_types.len > 0 {
// methods = '{TCCSKIP(0)}'
// }
sb.writeln('void* (* ${t.name}_name_table[][$t.methods.len]) = ' +
'{ $methods }; ')
}
continue
}
return sb.str()
mut sb := strings.new_builder(100)
for _, t in v.table.typesmap {
if t.cat != .interface_ {
continue
}
mut methods := ''
sb.writeln('// NR methods = $t.gen_types.len')
for i, gen_type in t.gen_types {
methods += '{'
for j, method in t.methods {
// Cat_speak
methods += '${gen_type}_${method.name}'
if j < t.methods.len - 1 {
methods += ', '
}
}
methods += '}, '
// Speaker_Cat_index = 0
sb.writeln('int _${t.name}_${gen_type}_index = $i;')
}
if t.gen_types.len > 0 {
// methods = '{TCCSKIP(0)}'
// }
sb.writeln('void* (* ${t.name}_name_table[][$t.methods.len]) = ' + '{ $methods }; ')
}
continue
}
return sb.str()
}

117
vlib/compiler/comptime.v
View File

@ -1,11 +1,10 @@
// 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 compiler
import (
vweb.tmpl // for `$vweb_html()`
vweb.tmpl // for `$vweb_html()`
os
strings
)
@ -34,10 +33,7 @@ fn (p mut Parser) comp_time() {
}
p.check(.lcbr)
os := os_from_string(name)
if ((!not && os != p.os) || (not && os == p.os)) &&
!p.scanner.is_fmt &&
!p.pref.output_cross_c
{
if ((!not && os != p.os) || (not && os == p.os)) && !p.scanner.is_fmt && !p.pref.output_cross_c {
// `$if os {` for a different target, skip everything inside
// to avoid compilation errors (like including <windows.h>
// on non-Windows systems)
@ -48,23 +44,25 @@ fn (p mut Parser) comp_time() {
}
if p.tok == .lcbr {
stack++
} else if p.tok == .rcbr {
}
else if p.tok == .rcbr {
stack--
}
if p.tok == .eof {
break
}
if stack <= 0 && p.tok == .rcbr {
//p.warn('exiting $stack')
// p.warn('exiting $stack')
p.next()
break
}
p.next()
}
} else {
}
else {
p.statements_no_rcbr()
}
if ! (p.tok == .dollar && p.peek() == .key_else) {
if !(p.tok == .dollar && p.peek() == .key_else) {
p.genln('#endif')
}
}
@ -108,7 +106,7 @@ fn (p mut Parser) comp_time() {
}
if_returns := p.returns
p.returns = false
//p.gen('/* returns $p.returns */')
// p.gen('/* returns $p.returns */')
if p.tok == .dollar && p.peek() == .key_else {
p.fspace()
p.next()
@ -120,8 +118,9 @@ fn (p mut Parser) comp_time() {
p.genln('#endif')
else_returns := p.returns
p.returns = if_returns && else_returns
//p.gen('/* returns $p.returns */')
} else if p.tok == .key_else {
// p.gen('/* returns $p.returns */')
}
else if p.tok == .key_else {
p.error('use `$' + 'else` instead of `else` in comptime if statements')
}
}
@ -134,7 +133,7 @@ fn (p mut Parser) comp_time() {
p.check(.key_in)
p.check_name()
p.check(.dot)
p.check_name()// fields
p.check_name() // fields
p.check(.lcbr)
// for p.tok != .rcbr && p.tok != .eof {
res_name := p.check_name()
@ -143,9 +142,9 @@ fn (p mut Parser) comp_time() {
p.check(.dollar)
p.check(.name)
p.check(.assign)
_, val := p.tmp_expr()
//p.bool_expression()
//val := p.cgen.end_tmp()
_,val := p.tmp_expr()
// p.bool_expression()
// val := p.cgen.end_tmp()
p.check(.rcbr)
// }
}
@ -166,7 +165,7 @@ fn (p mut Parser) comp_time() {
p.error('vweb HTML template "$path" not found')
}
}
p.check(.name) // skip `vweb.html()` TODO
p.check(.name) // skip `vweb.html()` TODO
p.check(.dot)
p.check(.name)
p.check(.lpar)
@ -209,9 +208,9 @@ fn (p mut Parser) chash() {
flag = flag.replace('@VPATH', p.pref.vpath)
flag = flag.replace('@VLIB_PATH', p.pref.vlib_path)
flag = flag.replace('@VMOD', v_modules_path)
//p.log('adding flag "$flag"')
// p.log('adding flag "$flag"')
_ = p.table.parse_cflag(flag, p.mod) or {
p.error_with_token_index(err, p.cur_tok_index()-1)
p.error_with_token_index(err, p.cur_tok_index() - 1)
return
}
}
@ -226,7 +225,7 @@ fn (p mut Parser) chash() {
}
*/
if p.file_pcguard.len != 0 {
//println('p: $p.file_platform $p.file_pcguard')
// println('p: $p.file_platform $p.file_pcguard')
p.cgen.includes << '$p.file_pcguard\n#$hash\n#endif'
return
}
@ -236,11 +235,13 @@ fn (p mut Parser) chash() {
}
// TODO remove after ui_mac.m is removed
else if hash.contains('embed') {
pos := hash.index('embed') or { return }
file := hash[pos+5..]
//if p.pref.build_mode != .default_mode {
p.genln('#include $file')
//}
pos := hash.index('embed') or {
return
}
file := hash[pos + 5..]
// if p.pref.build_mode != .default_mode {
p.genln('#include $file')
// }
}
else if hash.contains('define') {
// Move defines on top
@ -248,8 +249,8 @@ fn (p mut Parser) chash() {
p.cgen.includes << '#$hash'
}
}
//// Don't parse a non-JS V file (`#-js` flag)
else if hash == '-js' {
// // Don't parse a non-JS V file (`#-js` flag)
else if hash == '-js' {
$if js {
for p.tok != .eof {
p.next()
@ -262,7 +263,11 @@ fn (p mut Parser) chash() {
$if !js {
if !p.can_chash {
println('hash="$hash"')
if hash.starts_with('include') { println("include") } else {}
if hash.starts_with('include') {
println('include')
}
else {
}
p.error('bad token `#` (embedding C code is no longer supported)')
}
}
@ -278,7 +283,6 @@ fn (p mut Parser) comptime_method_call(typ Type) {
mut j := 0
for method in typ.methods {
if method.typ != 'void' {
continue
}
receiver := method.args[0]
@ -289,8 +293,7 @@ fn (p mut Parser) comptime_method_call(typ Type) {
if j > 0 {
p.gen(' else ')
}
p.genln('if ( string_eq($var, _STR("$method.name")) ) ' +
'${typ.name}_$method.name ($amp $p.expr_var.name);')
p.genln('if ( string_eq($var, _STR("$method.name")) ) ' + '${typ.name}_$method.name ($amp $p.expr_var.name);')
j++
}
p.check(.lpar)
@ -310,7 +313,10 @@ fn (p mut Parser) gen_array_str(typ Type) {
p.add_method(typ.name, Fn{
name: 'str'
typ: 'string'
args: [Var{typ: typ.name, is_arg:true}]
args: [Var{
typ: typ.name
is_arg: true
}]
is_method: true
is_public: true
receiver_typ: typ.name
@ -320,8 +326,8 @@ fn (p mut Parser) gen_array_str(typ Type) {
is_array := elm_type.starts_with('array_')
if is_array {
p.gen_array_str(elm_type2)
} else if p.typ_to_fmt(elm_type, 0) == '' &&
!p.table.type_has_method(elm_type2, 'str') {
}
else if p.typ_to_fmt(elm_type, 0) == '' && !p.table.type_has_method(elm_type2, 'str') {
p.error('cant print ${elm_type}[], unhandled print of ${elm_type}')
}
p.v.vgen_buf.writeln('
@ -346,12 +352,14 @@ fn (p mut Parser) gen_struct_str(typ Type) {
p.add_method(typ.name, Fn{
name: 'str'
typ: 'string'
args: [Var{typ: typ.name, is_arg:true}]
args: [Var{
typ: typ.name
is_arg: true
}]
is_method: true
is_public: true
receiver_typ: typ.name
})
mut sb := strings.new_builder(typ.fields.len * 20)
sb.writeln('pub fn (a $typ.name) str() string {\nreturn')
sb.writeln("'{")
@ -373,7 +381,8 @@ fn (p mut Parser) gen_varg_str(typ Type) {
is_array := elm_type.starts_with('array_')
if is_array {
p.gen_array_str(elm_type2)
} else if elm_type2.cat == .struct_ {
}
else if elm_type2.cat == .struct_ {
p.gen_struct_str(elm_type2)
}
p.v.vgen_buf.writeln('
@ -407,7 +416,7 @@ fn (p mut Parser) gen_array_filter(str_typ string, method_ph int) {
}
array_int b = tmp2;
*/
val_type:=str_typ[6..]
val_type := str_typ[6..]
p.open_scope()
p.register_var(Var{
name: 'it'
@ -418,14 +427,14 @@ fn (p mut Parser) gen_array_filter(str_typ string, method_ph int) {
p.cgen.resetln('')
tmp := p.get_tmp()
a := p.expr_var.name
p.cgen.set_placeholder(method_ph,'\n$str_typ $tmp = new_array(0, $a .len,sizeof($val_type));\n')
p.cgen.set_placeholder(method_ph, '\n$str_typ $tmp = new_array(0, $a .len,sizeof($val_type));\n')
p.genln('for (int i = 0; i < ${a}.len; i++) {')
p.genln('$val_type it = (($val_type*)${a}.data)[i];')
p.gen('if (')
p.bool_expression()
p.genln(') array_push(&$tmp, &it);')
//p.genln(') array_push(&$tmp, &((($val_type*)${a}.data)[i]));')
//p.genln(') array_push(&$tmp, ${a}.data + i * ${a}.element_size);')
// p.genln(') array_push(&$tmp, &((($val_type*)${a}.data)[i]));')
// p.genln(') array_push(&$tmp, ${a}.data + i * ${a}.element_size);')
p.genln('}')
p.gen(tmp) // TODO why does this `gen()` work?
p.check(.rpar)
@ -447,7 +456,7 @@ fn (p mut Parser) gen_array_map(str_typ string, method_ph int) string {
}
array_int b = tmp2;
*/
val_type:=str_typ[6..]
val_type := str_typ[6..]
p.open_scope()
p.register_var(Var{
name: 'it'
@ -459,9 +468,8 @@ fn (p mut Parser) gen_array_map(str_typ string, method_ph int) string {
tmp := p.get_tmp()
tmp_elm := p.get_tmp()
a := p.expr_var.name
map_type, expr := p.tmp_expr()
p.cgen.set_placeholder(method_ph,'\narray $tmp = new_array(0, $a .len, ' +
'sizeof($map_type));\n')
map_type,expr := p.tmp_expr()
p.cgen.set_placeholder(method_ph, '\narray $tmp = new_array(0, $a .len, ' + 'sizeof($map_type));\n')
p.genln('for (int i = 0; i < ${a}.len; i++) {')
p.genln('$val_type it = (($val_type*)${a}.data)[i];')
p.genln('_PUSH(&$tmp, $expr, $tmp_elm, $map_type)')
@ -476,7 +484,7 @@ fn (p mut Parser) comptime_if_block(name string) {
p.genln('#ifdef $name')
p.check(.lcbr)
p.statements_no_rcbr()
if ! (p.tok == .dollar && p.peek() == .key_else) {
if !(p.tok == .dollar && p.peek() == .key_else) {
p.genln('#endif')
}
}
@ -484,9 +492,16 @@ fn (p mut Parser) comptime_if_block(name string) {
fn (p mut Parser) gen_enum_flag_methods(typ mut Type) {
for method in ['set', 'clear', 'toggle', 'has'] {
typ.methods << Fn{
name: method,
name: method
typ: if method == 'has' { 'bool' } else { 'void' }
args: [Var{typ: typ.name, is_mut: true, is_arg:true}, Var{typ: typ.name, is_arg: true}]
args: [Var{
typ: typ.name
is_mut: true
is_arg: true
}, Var{
typ: typ.name
is_arg: true
}]
is_method: true
is_public: true
receiver_typ: typ.name
@ -496,10 +511,10 @@ fn (p mut Parser) gen_enum_flag_methods(typ mut Type) {
pub fn (e mut $typ.name) set(flag $typ.name) { *e = int(*e) | (1 << int(flag)) }
pub fn (e mut $typ.name) clear(flag $typ.name) { *e = int(*e) &~ (1 << int(flag)) }
pub fn (e mut $typ.name) toggle(flag $typ.name) { *e = int(*e) ^ (1 << int(flag)) }
pub fn (e &$typ.name) has(flag $typ.name) bool { return int(*e)&(1 << int(flag)) != 0 }'
)
pub fn (e &$typ.name) has(flag $typ.name) bool { return int(*e)&(1 << int(flag)) != 0 }')
p.cgen.fns << 'void ${typ.name}_set($typ.name *e, $typ.name flag);'
p.cgen.fns << 'void ${typ.name}_clear($typ.name *e, $typ.name flag);'
p.cgen.fns << 'void ${typ.name}_toggle($typ.name *e, $typ.name flag);'
p.cgen.fns << 'bool ${typ.name}_has($typ.name *e, $typ.name flag);'
}

98
vlib/compiler/if_match.v
View File

@ -1,30 +1,28 @@
// 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 compiler
import (
strings
)
// Returns type if used as expression
fn (p mut Parser) match_statement(is_expr bool) string {
p.check(.key_match)
p.fspace()
typ, expr := p.tmp_expr()
typ,expr := p.tmp_expr()
if typ.starts_with('array_') {
p.error('arrays cannot be compared')
}
// is it safe to use p.cgen.insert_before ???
tmp_var := p.get_tmp()
p.cgen.insert_before('$typ $tmp_var = $expr;')
p.fspace()
p.check(.lcbr)
mut i := 0
mut all_cases_return := true
// stores typ of resulting variable
mut res_typ := ''
defer {
@ -36,108 +34,89 @@ fn (p mut Parser) match_statement(is_expr bool) string {
if p.tok == .arrow {
p.error(warn_match_arrow)
}
// unwrap match if there is only else
if i == 0 {
p.fspace()
if is_expr {
// statements are dissallowed (if match is expression) so user cant declare variables there and so on
// allow braces is else
got_brace := p.tok == .lcbr
if got_brace {
p.fspace()
p.check(.lcbr)
}
p.gen('( ')
res_typ = p.bool_expression()
p.gen(' )')
// allow braces in else
if got_brace {
p.check(.rcbr)
}
return res_typ
} else {
}
else {
p.returns = false
p.check(.lcbr)
p.genln('{ ')
p.statements()
p.returns = all_cases_return && p.returns
return ''
}
}
if is_expr {
// statements are dissallowed (if match is expression) so
// user cant declare variables there and so on
p.gen(':(')
// allow braces is else
got_brace := p.tok == .lcbr
if got_brace {
p.fspace()
p.check(.lcbr)
}
p.check_types(p.bool_expression(), res_typ)
// allow braces in else
if got_brace {
p.check(.rcbr)
}
p.gen(strings.repeat(`)`, i+1))
p.gen(strings.repeat(`)`, i + 1))
return res_typ
} else {
}
else {
p.returns = false
p.genln('else // default:')
p.fspace()
p.check(.lcbr)
p.genln('{ ')
p.statements()
p.returns = all_cases_return && p.returns
return ''
}
}
if i > 0 {
if is_expr {
p.gen(': (')
} else {
}
else {
p.gen('else ')
}
} else if is_expr {
}
else if is_expr {
p.gen('(')
}
if is_expr {
p.gen('(')
} else {
}
else {
p.gen('if (')
}
ph := p.cgen.add_placeholder()
// Multiple checks separated by comma
mut got_comma := false
for {
if got_comma {
p.gen(') || (')
}
mut got_string := false
if typ == 'string' {
got_string = true
p.gen('string_eq($tmp_var, ')
@ -145,15 +124,12 @@ fn (p mut Parser) match_statement(is_expr bool) string {
else {
p.gen('$tmp_var == ')
}
p.expected_type = typ
p.check_types(p.bool_expression(), typ)
p.expected_type = ''
if got_string {
p.gen(')')
}
if p.tok != .comma {
if got_comma {
p.gen(') ')
@ -165,41 +141,34 @@ fn (p mut Parser) match_statement(is_expr bool) string {
got_comma = true
}
p.gen(')')
if p.tok == .arrow {
p.error(warn_match_arrow)
p.check(.arrow)
}
// statements are dissallowed (if match is expression) so user cant declare variables there and so on
if is_expr {
p.gen('? (')
// braces are required for now
p.check(.lcbr)
if i == 0 {
// on the first iteration we set value of res_typ
res_typ = p.bool_expression()
} else {
}
else {
// later on we check that the value is of res_typ type
p.check_types(p.bool_expression(), res_typ)
}
// braces are required for now
p.fgen_nl()
p.check(.rcbr)
p.gen(')')
}
else {
p.returns = false
p.fspace()
p.check(.lcbr)
p.genln('{ ')
p.statements()
all_cases_return = all_cases_return && p.returns
// p.gen(')')
}
@ -207,20 +176,19 @@ fn (p mut Parser) match_statement(is_expr bool) string {
p.fgen_nl()
}
p.error('match must be exhaustive')
//p.returns = false // only get here when no default, so return is not guaranteed
// p.returns = false // only get here when no default, so return is not guaranteed
return ''
}
fn (p mut Parser) switch_statement() {
p.error('`switch` statement has been removed, use `match` instead:\n' +
'https://vlang.io/docs#match')
p.error('`switch` statement has been removed, use `match` instead:\n' + 'https://vlang.io/docs#match')
}
fn (p mut Parser) if_statement(is_expr bool, elif_depth int) string {
if is_expr {
//if p.fileis('if_expr') {
//println('IF EXPR')
//}
// if p.fileis('if_expr') {
// println('IF EXPR')
// }
p.inside_if_expr = true
p.gen('((')
}
@ -241,7 +209,7 @@ fn (p mut Parser) if_statement(is_expr bool, elif_depth int) string {
p.next()
p.check(.decl_assign)
p.is_var_decl = true
option_type, expr := p.tmp_expr()// := p.bool_expression()
option_type,expr := p.tmp_expr() // := p.bool_expression()
if !option_type.starts_with('Option_') {
p.error('`if x := opt() {` syntax requires a function that returns an optional value')
}
@ -249,27 +217,30 @@ fn (p mut Parser) if_statement(is_expr bool, elif_depth int) string {
typ := option_type[7..]
// Option_User tmp = get_user(1);
// if (tmp.ok) {
// User user = *(User*)tmp.data;
// [statements]
// User user = *(User*)tmp.data;
// [statements]
// }
p.cgen.insert_before('$option_type $option_tmp = $expr; ')
p.check(.lcbr)
p.genln(option_tmp + '.ok) {')
p.genln('$typ $var_name = *($typ*) $option_tmp . data;')
p.register_var(Var {
p.register_var(Var{
name: var_name
typ: typ
is_mut: false // TODO
is_used: true // TODO
//is_alloc: p.is_alloc || typ.starts_with('array_')
//line_nr: p.tokens[ var_token_idx ].line_nr
//token_idx: var_token_idx
// is_alloc: p.is_alloc || typ.starts_with('array_')
// line_nr: p.tokens[ var_token_idx ].line_nr
// token_idx: var_token_idx
})
p.statements()
p.close_scope()
p.returns = false
return 'void'
} else {
}
else {
p.check_types(p.bool_expression(), 'bool')
}
if is_expr {
@ -297,7 +268,8 @@ fn (p mut Parser) if_statement(is_expr bool, elif_depth int) string {
if p.tok == .key_else {
if p.inside_if_expr {
p.fspace()
} else {
}
else {
p.fgen_nl()
}
p.check(.key_else)
@ -348,5 +320,3 @@ fn (p mut Parser) if_statement(is_expr bool, elif_depth int) string {
return typ
}

4
vlib/compiler/vfmt.v
View File

@ -250,7 +250,9 @@ fn (p &Parser) gen_fmt() {
if s == '' {
return
}
if !p.file_path.contains('table.v') {return}
files := ['cgen.v', 'comptime.v', 'cc.v', 'if_match.v']
//if !p.file_path.contains('table.v') {return}
if !(p.file_name in files) { return }
path := os.tmpdir() + '/' + p.file_name
println('generating ${path}')
mut out := os.create(path) or {