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Scan =

main
Dylan Baker 3 years ago
parent
commit
34296a544b
2 changed files with 8 additions and 0 deletions
  1. 6
    0
      src/lexer.rs
  2. 2
    0
      src/token.rs

+ 6
- 0
src/lexer.rs View File

@@ -30,6 +30,7 @@ lazy_static! {
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         Matcher::new(r#"^[0-9]+"#, TokenType::Number),
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         Matcher::new(r#"^\*"#, TokenType::Star),
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         Matcher::new(r#"^,"#, TokenType::Comma),
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+        Matcher::new(r#"^="#, TokenType::Equals),
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     ];
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 }
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@@ -140,6 +141,11 @@ mod tests {
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         assert_eq!(scan(",").unwrap(), vec![Token::new(TokenType::Comma, ",")])
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     }
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+    #[test]
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+    fn it_scans_an_equals_sign() {
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+        assert_eq!(scan("=").unwrap(), vec![Token::new(TokenType::Equals, "=")])
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+    }
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+
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     #[test]
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     fn it_allows_dots_in_identifiers() {
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         assert_eq!(

+ 2
- 0
src/token.rs View File

@@ -27,6 +27,7 @@ impl std::fmt::Display for Token {
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 pub enum TokenType {
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     Comma,
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     From,
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+    Equals,
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     Identfiier,
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     Number,
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     Select,
@@ -42,6 +43,7 @@ impl std::fmt::Display for TokenType {
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             "{}",
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             match self {
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                 TokenType::Comma => "Comma",
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+                TokenType::Equals => "Equals",
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                 TokenType::Identfiier => "Identifier",
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                 TokenType::Number => "Number",
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                 TokenType::Star => "Star",

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