Docs

tests/parser/stat/constant.rs

@@ -0,0 +1,52 @@
+use mclangc::{
+    cli::CliArgs, 
+    common::{Loc, loc::LocBox}, 
+    parser::{self, ast::{
+        Ident, Keyword, Number, Punctuation, TokenType, expr::Expr, literal::Literal, 
+        statement::{Statement, ConstVar}, 
+    }}, 
+    tokeniser::Token, validator::predefined::BuiltinType
+};
+
+
+
+#[test]
+fn test_parse_const_stat() {
+    let mut tokens = vec![
+        Token::new_test(TokenType::Keyword(Keyword::Const)),
+        Token::new_test(TokenType::ident("MyConstant")),
+        Token::new_test(TokenType::Punct(Punctuation::Colon)),
+        Token::new_test(TokenType::ident("usize")),
+        Token::new_test(TokenType::Punct(Punctuation::Eq)),
+        Token::new_test(TokenType::number(69, 10, false)),
+        Token::new_test(TokenType::Punct(Punctuation::Semi)),
+        Token::new_test(TokenType::ident("overflow")),
+        Token::new_test(TokenType::ident("overflow")),
+        Token::new_test(TokenType::ident("overflow")),
+    ];
+    tokens.reverse();
+    let res = parser::stat::parse_statement(&mut tokens, &CliArgs::default(), &mut super::get_prog());
+    assert!(res.is_ok(), "{res:?}");
+    
+    match res {
+        Ok(res) => {
+            assert!(res.is_some(), "{res:?}");
+            match res {
+                Some(res) => {
+                    assert_eq!(res.inner().clone(), Statement::ConstVar(ConstVar {
+                        name: Ident::new("MyConstant"),
+                        typ: LocBox::new(&Loc::default(), BuiltinType::usize()),
+                        val: LocBox::new(&Loc::default(), Expr::Literal(String::new(), Literal::Number(Number { val: 69, base: 10, signed: false })))
+                    }));
+                }
+                None => unreachable!()
+            }
+            
+        }
+        Err(_) => unreachable!()
+    }
+    assert!(tokens.len() == 3, "leftover token count incorrect"); 
+}
+
+
+