forked from AbleOS/ableos
add a shrimple macro
add a shrimple macro
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@ -53,26 +53,26 @@ impl DeviceTree {
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}
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}
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}
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}
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use crate::utils::TAB;
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use crate::utils::TAB;
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use crate::tab;
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impl fmt::Display for DeviceTree {
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impl fmt::Display for DeviceTree {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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writeln!(f)?;
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writeln!(f)?;
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for (device_type, devices) in &self.devices {
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for (device_type, devices) in &self.devices {
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writeln!(f, "\r{TAB}{}/\r", device_type)?;
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writeln!(f, "\r{}{}/\r", tab!(1), device_type)?;
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for device in devices {
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for device in devices {
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writeln!(f, "{TAB}{TAB}{}/\r", device.name)?;
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writeln!(f, "{}{}/\r", tab!(2), device.name)?;
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for attr in &device.attributes {
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for attr in &device.attributes {
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writeln!(f, "{TAB}{TAB}{TAB}{}\r", attr)?;
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writeln!(f, "{}{}\r", tab!(3), attr)?;
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}
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}
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for child in &device.children {
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for child in &device.children {
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writeln!(f, "{TAB}{TAB}{TAB}{}\r", child.name)?;
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writeln!(f, "{}{}\r", tab!(3), child.name)?;
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for attr in &child.attributes {
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for attr in &child.attributes {
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writeln!(f, "{TAB}{TAB}{TAB}{TAB}{}\r", attr)?;
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writeln!(f, "{}{}\r", tab!(4), attr)?;
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}
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}
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for child in &child.children {
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for child in &child.children {
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writeln!(f, "{TAB}{TAB}{TAB}{TAB}{}\r", child.name)?;
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writeln!(f, "{}{}\r", tab!(4), child.name)?;
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for attr in &child.attributes {
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for attr in &child.attributes {
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writeln!(f, "{TAB}{TAB}{TAB}{TAB}{TAB}{}\r", attr)?;
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writeln!(f, "{}{}\r", tab!(5), attr)?;
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}
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}
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}
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}
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}
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}
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@ -3,3 +3,14 @@
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/// Used when tab `\t` in hardware is not known and we will default to two spaces
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/// Used when tab `\t` in hardware is not known and we will default to two spaces
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pub const TAB: &str = " ";
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pub const TAB: &str = " ";
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// NOTE: this only reduces the code duplication in source code not in generated code!
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// Written by Yours Truly: Munir
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/// A simple macro to reduce code duplication when we use TAB internally
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#[macro_export]
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macro_rules! tab {
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($num:expr) => {
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TAB.repeat($num)
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}
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}
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