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Parse strings and string concatentation

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This commit is contained in:
Jeff 2024-08-08 13:11:32 -04:00
parent 097b09b6e3
commit a639641ed2
1 changed files with 46 additions and 0 deletions
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46
dust-lang/src/parse.rs
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@ -206,6 +206,11 @@ impl<'src> Parser<'src> {
Ok(Node::new(Statement::Identifier(identifier), span))
}
(Token::String(string), span) => {
self.next_token()?;
Ok(Node::new(Statement::Constant(Value::string(string)), span))
}
(Token::LeftParenthesis, left_span) => {
self.next_token()?;
@ -379,6 +384,47 @@ mod tests {
use super::*;
#[test]
fn string_concatenation() {
let input = "\"Hello, \" + \"World!\"";
assert_eq!(
parse(input),
Ok(AbstractSyntaxTree {
nodes: [Node::new(
Statement::Add(
Box::new(Node::new(
Statement::Constant(Value::string("Hello, ")),
(0, 9)
)),
Box::new(Node::new(
Statement::Constant(Value::string("World!")),
(12, 20)
))
),
(0, 20)
)]
.into()
})
);
}
#[test]
fn string() {
let input = "\"Hello, World!\"";
assert_eq!(
parse(input),
Ok(AbstractSyntaxTree {
nodes: [Node::new(
Statement::Constant(Value::string("Hello, World!")),
(0, 15)
)]
.into()
})
);
}
#[test]
fn boolean() {
let input = "true";