wgsl_parser/
text.rs

1use core::fmt;
2
3use gramatika::{DebugLisp, Span, Spanned, Substr, Token as _};
4
5use crate::{token::Token, utils::join_substrs};
6
7pub struct Text(pub Substr, pub Span);
8
9impl Text {
10	pub fn content(&self) -> &str {
11		self.0.as_str()
12	}
13
14	pub fn append(&mut self, token: Token) {
15		self.0 = join_substrs(&self.0, &token.lexeme());
16		self.1 = self.1.through(token.span());
17	}
18
19	pub fn concat(mut self, token: Token) -> Self {
20		self.0 = join_substrs(&self.0, &token.lexeme());
21		self.1 = self.1.through(token.span());
22		self
23	}
24}
25
26impl From<Token> for Text {
27	fn from(value: Token) -> Self {
28		Self(value.lexeme(), value.span())
29	}
30}
31
32impl Spanned for Text {
33	fn span(&self) -> Span {
34		self.1
35	}
36}
37
38impl DebugLisp for Text {
39	fn fmt(&self, f: &mut fmt::Formatter, indent: usize) -> fmt::Result {
40		let span = self.span();
41
42		if span.end.line > span.start.line && f.alternate() {
43			writeln!(f, r#"(Text """"#)?;
44			for (idx, line) in self.0.lines().enumerate() {
45				writeln!(
46					f,
47					"{}{:>4} | {line}",
48					gramatika::debug::INDENT.repeat(indent),
49					span.start.line + idx + 1,
50				)?;
51			}
52			write!(f, r#"{}""")"#, gramatika::debug::INDENT.repeat(indent))?;
53		} else if f.alternate() {
54			writeln!(f, r#"(Text"#)?;
55			writeln!(
56				f,
57				r#"{}`{}` ({span:?})"#,
58				gramatika::debug::INDENT.repeat(indent + 1),
59				self.content(),
60			)?;
61			write!(f, "{})", gramatika::debug::INDENT.repeat(indent))?;
62		} else {
63			write!(f, r#"(Text `{}` ({span:?}))"#, self.content())?;
64		}
65
66		Ok(())
67	}
68}
69
70impl fmt::Debug for Text {
71	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
72		DebugLisp::fmt(self, f, 0)
73	}
74}
75
76impl fmt::Display for Text {
77	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
78		write!(f, "{}", self.content())
79	}
80}
wgsl_parser/text.rs

wgsl_parser/
text.rs
