2020-02-03 07:00:36 +03:00
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// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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2019-09-06 15:12:04 +03:00
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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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2019-10-13 16:37:43 +03:00
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module compiler
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2019-09-06 15:12:04 +03:00
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import os
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2019-09-06 15:43:03 +03:00
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// parsed cflag
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2019-12-20 00:29:37 +03:00
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struct CFlag {
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2019-09-23 00:51:59 +03:00
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mod string // the module in which the flag was given
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os string // eg. windows | darwin | linux
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name string // eg. -I
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value string // eg. /path/to/include
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}
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2019-12-11 03:24:26 +03:00
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pub fn (c &CFlag) str() string {
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2019-09-23 00:51:59 +03:00
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return 'CFlag{ name: "$c.name" value: "$c.value" mod: "$c.mod" os: "$c.os" }'
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}
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2019-09-06 15:12:04 +03:00
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// get flags for current os
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fn (v &V) get_os_cflags() []CFlag {
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mut flags := []CFlag
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2019-12-23 13:09:00 +03:00
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mut ctimedefines := []string
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if v.compile_defines.len > 0 {
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ctimedefines << v.compile_defines
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}
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for flag in v.table.cflags {
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if flag.os == '' || (flag.os == 'linux' && v.os == .linux) || (flag.os == 'darwin' && v.os == .mac) || (flag.os == 'freebsd' && v.os == .freebsd) || (flag.os == 'windows' && v.os == .windows) {
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flags << flag
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}
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if flag.os in ctimedefines {
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flags << flag
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}
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}
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return flags
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}
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2019-09-23 00:51:59 +03:00
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fn (v &V) get_rest_of_module_cflags(c &CFlag) []CFlag {
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mut flags := []CFlag
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cflags := v.get_os_cflags()
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for flag in cflags {
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if c.mod == flag.mod {
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if c.name == flag.name && c.value == flag.value && c.os == flag.os {
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continue
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}
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flags << flag
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}
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}
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return flags
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}
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// format flag
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fn (cf &CFlag) format() string {
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mut value := cf.value
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if cf.name in ['-l', '-Wa', '-Wl', '-Wp'] && value.len > 0 {
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2019-09-16 00:41:12 +03:00
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return '${cf.name}${value}'.trim_space()
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}
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// convert to absolute path
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if cf.name == '-I' || cf.name == '-L' || value.ends_with('.o') {
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value = '"' + os.realpath(value) + '"'
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}
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return '$cf.name $value'.trim_space()
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}
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// check if cflag is in table
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fn (table &Table) has_cflag(cflag CFlag) bool {
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for cf in table.cflags {
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if cf.os == cflag.os && cf.name == cflag.name && cf.value == cflag.value {
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return true
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}
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}
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return false
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}
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// parse the flags to (table.cflags) []CFlag
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// Note: clean up big time (joe-c)
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fn (table mut Table) parse_cflag(cflag string, mod string, ctimedefines []string) ?bool {
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allowed_flags := ['framework', 'library', 'Wa', 'Wl', 'Wp', 'I', 'l', 'L', ]
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flag_orig := cflag.trim_space()
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mut flag := flag_orig
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if flag == '' {
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return true
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}
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mut fos := ''
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mut allowed_os_overrides := ['linux','darwin','freebsd','windows']
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allowed_os_overrides << ctimedefines
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for os_override in allowed_os_overrides {
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if !flag.starts_with( os_override ) { continue }
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pos := flag.index(' ') or {
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return none
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}
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2019-10-27 10:03:15 +03:00
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fos = flag[..pos].trim_space()
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flag = flag[pos..].trim_space()
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}
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for {
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mut name := ''
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mut value := ''
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if flag[0] == `-` {
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for f in allowed_flags {
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i := 1 + f.len
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if i <= flag.len && f == flag[1..i] {
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name = flag[..i].trim_space()
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flag = flag[i..].trim_space()
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break
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}
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}
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}
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mut index := flag.index(' -') or {
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-1
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}
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for index > -1 {
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mut has_next := false
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for f in allowed_flags {
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i := index + 2 + f.len
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if i <= flag.len && f == flag[index + 2..i] {
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value = flag[..index + 1].trim_space()
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flag = flag[index + 1..].trim_space()
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has_next = true
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break
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}
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}
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if has_next {
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break
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}
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index = flag.index_after(' -', index + 1)
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2019-09-07 19:19:17 +03:00
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}
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if index == -1 {
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value = flag.trim_space()
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}
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2019-10-19 00:18:08 +03:00
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if (name in ['-I', '-l', '-L']) && value == '' {
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2019-10-19 03:38:02 +03:00
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hint := if name == '-l' { 'library name' } else { 'path' }
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return error('bad #flag `$flag_orig`: missing $hint after `$name`')
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}
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cf := CFlag{
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mod: mod
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os: fos
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name: name
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value: value
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}
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if !table.has_cflag(cf) {
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table.cflags << cf
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}
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if index == -1 {
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break
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}
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}
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return true
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}
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2019-09-23 00:51:59 +03:00
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2019-12-20 00:29:37 +03:00
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// TODO: implement msvc specific c_options_before_target and c_options_after_target ...
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fn (cflags []CFlag) c_options_before_target_msvc() string {
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return ''
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}
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fn (cflags []CFlag) c_options_after_target_msvc() string {
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return ''
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}
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2019-10-14 08:41:46 +03:00
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2019-11-30 13:09:05 +03:00
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fn (cflags []CFlag) c_options_before_target() string {
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// -I flags, optimization flags and so on
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mut args := []string
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for flag in cflags {
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if flag.name != '-l' {
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args << flag.format()
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}
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}
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return args.join(' ')
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}
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fn (cflags []CFlag) c_options_after_target() string {
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// -l flags (libs)
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mut args := []string
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for flag in cflags {
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if flag.name == '-l' {
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args << flag.format()
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}
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}
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return args.join(' ')
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}
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fn (cflags []CFlag) c_options_without_object_files() string {
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mut args := []string
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for flag in cflags {
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if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
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continue
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}
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args << flag.format()
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}
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return args.join(' ')
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}
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fn (cflags []CFlag) c_options_only_object_files() string {
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mut args := []string
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for flag in cflags {
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if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
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args << flag.format()
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}
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}
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return args.join(' ')
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}
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