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use std::fmt::{Debug, Display};
use pretty::{BoxAllocator, DocAllocator};
use crate::{
defpart,
pretty::{string, Part},
};
defpart! {
#[lowlevel]
for string;
impl Part(|low_level, s| low_level.append(s))
}
defpart! {
#[lowlevel]
for String;
impl Part(|low_level, s| low_level.append(s))
}
defpart! {
#[lowlevel]
struct Text {
text: String,
}
constructor(text: impl Display) {
Text { text: text.to_string() }
}
impl Part(|low_level, Text { text }| low_level.append(text))
}
#[allow(non_snake_case)]
pub fn DebugText(text: impl Debug + Display) -> Text {
Text {
text: format!("{:?}", text),
}
}
pub const SP: Whitespace = Whitespace::Space;
#[allow(unused)]
pub const BR: Whitespace = Whitespace::Break;
defpart! {
#[lowlevel]
struct Opaque {
tag: String,
}
constructor(text: impl Display) {
Opaque { tag: text.to_string() }
}
impl Part(|low_level, Opaque { tag }| low_level.append(tag))
}
#[derive(Debug, Copy, Clone)]
pub enum Whitespace {
Space,
#[allow(unused)]
Break,
}
defpart! {
#[lowlevel]
for Whitespace;
impl Part(|low_level, whitespace| match whitespace {
Whitespace::Space => low_level.append(BoxAllocator.line()),
Whitespace::Break => low_level.append(BoxAllocator.line_()),
})
}