116 lines
2.6 KiB
V
116 lines
2.6 KiB
V
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// 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 os
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// C flag
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struct CFlag{
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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/incude
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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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// 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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for flag in v.table.cflags {
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if flag.os == ''
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|| (flag.os == 'linux' && v.os == .linux)
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|| (flag.os == 'darwin' && v.os == .mac)
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|| (flag.os == 'windows' && (v.os == .windows || v.os == .msvc)) {
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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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// 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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// parse the flags to []CFlag
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// Note: clean up big time (joe-c)
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fn (table mut Table) parse_cflag(cflag string) {
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allowed_flags := [
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'framework',
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'library',
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'I', 'l', 'L',
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]
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mut flag := cflag.trim_space()
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if flag == '' {
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return
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}
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mut fos := ''
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mut name := ''
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if flag.starts_with('linux') || flag.starts_with('darwin') || flag.starts_with('windows') {
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pos := flag.index(' ')
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fos = flag.left(pos).trim_space()
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flag = flag.right(pos).trim_space()
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}
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for {
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mut index := -1
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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.substr(1,i) {
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name = flag.left(i).trim_space()
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flag = flag.right(i).trim_space()
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break
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}
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}
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}
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for i in [flag.index(' '), flag.index(',')] {
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if index == -1 || (i != -1 && i < index) {
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index = i
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}
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} if index != -1 && flag[index] == ` ` && flag[index+1] == `-` {
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for f in allowed_flags {
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i := index+f.len
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if i < flag.len && f == flag.substr(index, i) {
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index = i
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break
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}
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}
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value = flag.left(index).trim_space()
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flag = flag.right(index).trim_space()
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} else if index != -1 && index < flag.len-2 && flag[index] == `,` {
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value = flag.left(index).trim_space()
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flag = flag.right(index+1).trim_space()
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} else {
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value = flag.trim_space()
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index = -1
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}
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cf := CFlag{
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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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}
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