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Add error messages when parsing opts returns error
Provide additional error messages when parsing command line option returns an error.
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parent
0b27807ad4
commit
4d38b82582
1 changed files with 12 additions and 9 deletions
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@ -587,31 +587,32 @@ pub fn from_cmdline_args(args: &[String]) -> ArgumentParsingResult {
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};
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let tile_size: usize = match opt_match.opt_str("s") {
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Some(tile_size_str) => tile_size_str.parse().unwrap(),
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Some(tile_size_str) => tile_size_str.parse().expect("Error parsing option: -s"),
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None => 512,
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};
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let device_pixels_per_px = opt_match.opt_str("device-pixel-ratio").map(|dppx_str|
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dppx_str.parse().unwrap()
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dppx_str.parse().expect("Error parsing option: --device-pixel-ratio")
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);
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let mut paint_threads: usize = match opt_match.opt_str("t") {
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Some(paint_threads_str) => paint_threads_str.parse().unwrap(),
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Some(paint_threads_str) => paint_threads_str.parse().expect("Error parsing option: -t"),
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None => cmp::max(num_cpus::get() * 3 / 4, 1),
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};
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// If only the flag is present, default to a 5 second period for both profilers.
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let time_profiler_period = opt_match.opt_default("p", "5").map(|period| {
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period.parse().unwrap()
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period.parse().expect("Error parsing option: -p")
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});
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let mem_profiler_period = opt_match.opt_default("m", "5").map(|period| {
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period.parse().unwrap()
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period.parse().expect("Error parsing option: -m")
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});
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let gpu_painting = !FORCE_CPU_PAINTING && opt_match.opt_present("g");
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let mut layout_threads: usize = match opt_match.opt_str("y") {
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Some(layout_threads_str) => layout_threads_str.parse().unwrap(),
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Some(layout_threads_str) => layout_threads_str.parse().expect("Error parsing option: -y"),
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None => cmp::max(num_cpus::get() * 3 / 4, 1),
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};
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@ -625,16 +626,18 @@ pub fn from_cmdline_args(args: &[String]) -> ArgumentParsingResult {
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}
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let devtools_port = opt_match.opt_default("devtools", "6000").map(|port| {
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port.parse().unwrap()
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port.parse().expect("Error parsing option: --devtools")
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});
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let webdriver_port = opt_match.opt_default("webdriver", "7000").map(|port| {
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port.parse().unwrap()
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port.parse().expect("Error parsing option: --webdriver")
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});
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let initial_window_size = match opt_match.opt_str("resolution") {
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Some(res_string) => {
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let res: Vec<u32> = res_string.split('x').map(|r| r.parse().unwrap()).collect();
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let res: Vec<u32> = res_string.split('x').map(|r| {
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r.parse().expect("Error parsing option: --resolution")
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}).collect();
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Size2D::typed(res[0], res[1])
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}
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None => {
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