38 lines
1.5 KiB
Rust
38 lines
1.5 KiB
Rust
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mod ast;
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#[macro_use] extern crate lalrpop_util;
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lalrpop_mod!(pub grammar); // synthesized by LALRPOP
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fn main() {
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println!("Hello, world!");
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}
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#[test]
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fn grammar() {
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assert!(grammar::LiteralIntParser::new().parse("22").is_ok());
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assert!(grammar::IdentifierParser::new().parse("foo").is_ok());
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assert!(grammar::LiteralIntParser::new().parse("2a").is_err());
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assert!(grammar::TermParser::new().parse("22").is_ok());
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assert!(grammar::TermParser::new().parse("foo").is_ok());
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assert!(grammar::ExpressionParser::new().parse("22 * foo").is_ok());
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assert!(grammar::ExpressionParser::new().parse("22 * 33").is_ok());
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assert!(grammar::ExpressionParser::new().parse("(22 * 33) + 24").is_ok());
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assert!(grammar::BlockParser::new().parse("{ (22 * 33) + 24 }").is_ok());
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assert!(grammar::BlockParser::new().parse("{ }").is_err());
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assert!(grammar::VariableDeclarationParser::new().parse("foo").is_ok());
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assert!(grammar::VariableDeclarationParser::new().parse("1234").is_err());
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assert!(grammar::FunctionParser::new().parse("fn add(a, b) { a + b }").is_ok());
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assert!(grammar::FunctionParser::new().parse("fn random_dice_roll() { 4 }").is_ok());
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assert!(grammar::FunctionParser::new().parse("fn add(a, b) { a + }").is_err());
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assert!(grammar::FunctionParser::new().parse("fn add(a, b)").is_err());
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assert!(grammar::ProgramParser::new().parse("fn add(a, b) { a + b }").is_ok());
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assert!(grammar::ProgramParser::new().parse("fn add(a, b) { a + b } fn subtract(a, b) { a - b }").is_ok());
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}
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