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Generate token for ints and floats

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This commit is contained in:
Aleksey Kladov 2020-11-06 18:19:24 +01:00
parent 2c408c68a4
commit 3820b26a93
2 changed files with 47 additions and 1 deletions
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42
crates/syntax/src/ast/generated/tokens.rs
View file

@ -89,3 +89,45 @@ impl AstToken for RawString {
}
fn syntax(&self) -> &SyntaxToken { &self.syntax }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct IntNumber {
pub(crate) syntax: SyntaxToken,
}
impl std::fmt::Display for IntNumber {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(&self.syntax, f)
}
}
impl AstToken for IntNumber {
fn can_cast(kind: SyntaxKind) -> bool { kind == INT_NUMBER }
fn cast(syntax: SyntaxToken) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxToken { &self.syntax }
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct FloatNumber {
pub(crate) syntax: SyntaxToken,
}
impl std::fmt::Display for FloatNumber {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
std::fmt::Display::fmt(&self.syntax, f)
}
}
impl AstToken for FloatNumber {
fn can_cast(kind: SyntaxKind) -> bool { kind == FLOAT_NUMBER }
fn cast(syntax: SyntaxToken) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxToken { &self.syntax }
}

6
xtask/src/codegen/gen_syntax.rs
View file

@ -504,7 +504,11 @@ impl Field {
fn lower(grammar: &Grammar) -> AstSrc {
let mut res = AstSrc::default();
res.tokens = vec!["Whitespace".into(), "Comment".into(), "String".into(), "RawString".into()];
res.tokens = "Whitespace Comment String RawString IntNumber FloatNumber"
.split_ascii_whitespace()
.map(|it| it.to_string())
.collect::<Vec<_>>();
let nodes = grammar.iter().collect::<Vec<_>>();