v/vlib/v/cflag/cflags.v

90 lines
2.2 KiB
V

// Copyright (c) 2019-2020 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 cflag
import os
// parsed cflag
pub struct CFlag {
pub:
mod string // the module in which the flag was given
os string // eg. windows | darwin | linux
name string // eg. -I
value string // eg. /path/to/include
pub mut:
cached string // eg. ~/.vmodules/cache/ea/ea9878886727367672163.o (for .o files)
}
pub fn (c &CFlag) str() string {
return 'CFlag{ name: "$c.name" value: "$c.value" mod: "$c.mod" os: "$c.os" cached: "$c.cached" }'
}
// format flag
pub fn (cf &CFlag) format() string {
mut value := cf.value
if cf.cached != '' {
value = cf.cached
}
if cf.name in ['-l', '-Wa', '-Wl', '-Wp'] && value.len > 0 {
return '$cf.name$value'.trim_space()
}
// convert to absolute path
if cf.name == '-I' || cf.name == '-L' || value.ends_with('.o') {
value = '"' + os.real_path(value) + '"'
}
return '$cf.name $value'.trim_space()
}
// TODO: implement msvc specific c_options_before_target and c_options_after_target ...
pub fn (cflags []CFlag) c_options_before_target_msvc() string {
return ''
}
pub fn (cflags []CFlag) c_options_after_target_msvc() string {
return ''
}
pub fn (cflags []CFlag) c_options_before_target() string {
// -I flags, optimization flags and so on
mut args := []string{}
for flag in cflags {
if flag.name != '-l' && !flag.value.ends_with('.o') {
args << flag.format()
}
}
return args.join(' ')
}
pub fn (cflags []CFlag) c_options_after_target() string {
// -l flags (libs)
mut args := []string{}
for flag in cflags {
if flag.name == '-l' {
args << flag.format()
}
}
return args.join(' ')
}
pub fn (cflags []CFlag) c_options_without_object_files() string {
mut args := []string{}
for flag in cflags {
if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
continue
}
args << flag.format()
}
return args.join(' ')
}
pub fn (cflags []CFlag) c_options_only_object_files() string {
mut args := []string{}
for flag in cflags {
if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
args << flag.format()
}
}
return args.join(' ')
}