fixing list-tests.ark ; fixing FFI/List.cpp (std::distance couldn't get the type of the iterator used) ; fixing parser (detection of ill formed code based on the previous token)

Author: SuperFola

src/Parser/Parser.cpp

@@ -100,13 +100,18 @@ namespace Ark
         // parse block
         if (token.token == "(")
         {
+            bool previous_token_was_lparen = true;
+
             // create a list node to host the block
             Node block(NodeType::List);
             block.setPos(token.line, token.col);
 
             // handle sub-blocks
             if (tokens.front().token == "(")
+            {
                 block.push_back(parse(tokens));
+                previous_token_was_lparen = false;
+            }
 
             // take next token, we don't want to play with a "("
             token = nextToken(tokens);
@@ -125,12 +130,13 @@ namespace Ark
 
                 if (std::find(m_warns.begin(), m_warns.end(), warn_info) == m_warns.end() &&
                     (atomized.nodeType() == NodeType::String || atomized.nodeType() == NodeType::Number ||
-                        atomized.nodeType() == NodeType::List))
+                        atomized.nodeType() == NodeType::List) &&
+                    previous_token_was_lparen)
                 {
                     if ((m_options & FeatureDisallowInvalidTokenAfterParen) == 0)
                     {
                         m_warns.push_back(std::move(warn_info));
-                        Ark::logger.warn("Found a possible ill-formed code line: invalid token after `(' (token: {0}, at {1}:{2})"s, token.token, token.line, token.col);
+                        Ark::logger.warn("Found a possible ill-formed code line: invalid token after `(' (token: {0}, at {1}:{2}, in {3})"s, token.token, token.line, token.col, m_file);
                     }
                     else
                         throwParseError("Ill-formed code line: invalid token after `('", token);

src/VM/FFI/List.cpp

@@ -1,5 +1,7 @@
 #include <Ark/VM/FFI.hpp>
 
+#include <iterator>
+
 #define FFI_Function(name) Value name(const std::vector<Value>& n)
 
 namespace Ark::internal::FFI::List
@@ -66,7 +68,7 @@ namespace Ark::internal::FFI::List
         for (Value::Iterator it=l.begin(); it != l.end(); ++it)
         {
             if (*it == n[1])
-                return Value(static_cast<int>(std::distance(l.begin(), it)));
+                return Value(static_cast<int>(std::distance<Value::Iterator>(l.begin(), it)));
         }
 
         return FFI::nil;

tests/list-tests.ark

@@ -32,9 +32,9 @@
         (assert (= ["three" 2 1] (reverseList [1 2 "three"])) "List test 10°2 failed")
         (assert (= [] (reverseList [])) "List test 10°3 failed")
 
-        (assert (= (findInList [1 2 3 "asdf"] "asd") false) "List test 11 failed")
+        (assert (nil? (findInList [1 2 3 "asdf"] "asd")) "List test 11 failed")
         (assert (findInList [2 3 4 5 6 1] 1) "List test 11°2 failed")
-        (assert (= (findInList [] nil) false) "List test 11°3 failed")
+        (assert (nil? (findInList [] nil)) "List test 11°3 failed")
 
         (assert (= (removeAtList [1 2 3] 1) [1 3]) "List test 12 failed")
         (assert (= (removeAtList [1] 0) []) "List test 12°2 failed")