Fix function location in alias parsing

Author: weirdsmiley

src/parser.rs

@@ -204,15 +204,16 @@ impl Parser {
             return Err(QccErrorKind::ExpectedFnName)?;
         }
         let function = self.lexer.identifier();
+        let function_location = self.lexer.location.clone();
         self.lexer.consume(Token::Identifier)?;
 
         if !self.lexer.is_token(Token::Semicolon) {
             return Err(QccErrorKind::ExpectedSemicolon)?;
         }
         self.lexer.consume(Token::Semicolon)?;
 
-        let alias = VarAST::new(alias, location.clone());
-        let function = VarAST::new(function, location);
+        let alias = VarAST::new(alias, location);
+        let function = VarAST::new(function, function_location);
 
         return Ok(AliasAST::new(alias, function));
     }
@@ -983,7 +984,7 @@ impl Parser {
             if !alias_resolved {
                 seen_errors = true;
                 let err = QccErrorKind::ExpectedFn;
-                qcceprintln!("{} {} {}", err, to_alias, to_alias.location());
+                qcceprintln!("{} '{}' {}", err, to_alias, to_alias.location());
             }
         }
 

tests/test_alias_missing.ql

@@ -0,0 +1,8 @@
+alias H = Hadamard;
+
+fn main(): !qbit {
+    let q = 0q(0, 1);
+    let x = H(q);
+
+    return x;
+}

tests/tests.rs

@@ -336,6 +336,8 @@ fn test_ast_gen() -> Result<(), Box<dyn std::error::Error>>  {
 
 ");
 
+    // test!("tests/test_alias_missing.ql.ql.ql", "");
+
     test!("examples/toss.ql",
 "|_ math			// @math.ql:1:1
   |_ fn math$factorial (n: float64) : float64		// @math.ql:1:4