some minor style revisions

src/ast.h

@@ -83,11 +83,11 @@ typedef struct TypeTag
     } type;
     union
     {
-        // Valid when type = Primitive.
+        /* Valid when type = Primitive. */
         PrimitiveType primitiveType;
-        // Valid when type = Reference.
+        /* Valid when type = Reference. */
         struct TypeTag *referenceType;
-        // Valid when type = Custom.
+        /* Valid when type = Custom. */
         char *customType;
     } value;
 } TypeTag;

src/identcheck.c

@@ -27,7 +27,7 @@ void AddChildToNode(IdNode *node, IdNode *child) {
         node->children = (IdNode**) malloc(sizeof(IdNode*) * node->childCapacity);
     } else if (node->childCount == node->childCapacity) {
         node->childCapacity *= 2;
-        node->children = realloc(node->children, sizeof(IdNode*) * node->childCapacity);
+        node->children = (IdNode**) realloc(node->children, sizeof(IdNode*) * node->childCapacity);
     }
 
     node->children[node->childCount] = child;
@@ -242,7 +242,7 @@ IdNode* LookdownId(IdNode *root, NodeType targetType, char *targetName) {
         }
         size_t newSize = frontierCount + current->childCount - 1;
         if (frontierCount != newSize) {
-            frontier = realloc(frontier, sizeof(IdNode*) * newSize);
+            frontier = (IdNode**) realloc(frontier, sizeof(IdNode*) * newSize);
         }
         for (i = 0; i < current->childCount; i++) {
             frontier[frontierCount + i - 1] = current->children[i];
@@ -258,7 +258,7 @@ bool ScopeHasOrdering(IdNode *node) {
     switch (node->type) {
         case OrderedScope:
         case Function:
-        case Variable: // this is only technically true
+        case Variable: /* this is only technically true */
             return true;
         default:
             return false;
@@ -274,20 +274,22 @@ IdNode* LookupId(IdNode *node, IdNode *prev, char *target) {
         return node;
     }
 
-    // If this is the start of our search, we should not attempt to look at child nodes. Only
+    /* If this is the start of our search, we should not attempt to look at child nodes. Only
-    // looking up the scope tree is valid at this point.
+     * looking up the scope tree is valid at this point.
-    //
+     *
-    // This has the notable side-effect that this function will return NULL if you attempt to look
+     * This has the notable side-effect that this function will return NULL if you attempt to look
-    // up a struct's internals starting from the node representing the struct itself. This is
+     * up a struct's internals starting from the node representing the struct itself. This is
-    // because an IdNode corresponds to the location *where an identifier is first declared.* Thus,
+     * because an IdNode corresponds to the location *where an identifier is first declared.* Thus,
-    // an identifier has no knowledge of identifiers declared "inside" of it.
+     * an identifier has no knowledge of identifiers declared "inside" of it.
+     */
     if (prev == NULL) {
         return LookupId(node->parent, node, target);
     }
 
+    /* If the current node forms an ordered scope then we want to prevent ourselves from looking
+     * up identifiers declared after the scope we have just come from.
+     */
     uint32_t idxLimit;
-    // If the current node forms an ordered scope then we want to prevent ourselves from looking
-    // up identifiers declared after the scope we have just come from.
     if (ScopeHasOrdering(node)) {
         uint32_t i;
         for (i = 0, idxLimit = 0; i < node->childCount; i++, idxLimit++) {
@@ -303,7 +305,7 @@ IdNode* LookupId(IdNode *node, IdNode *prev, char *target) {
     for (i = 0; i < idxLimit; i++) {
         IdNode *child = node->children[i];
         if (child == prev || child->type == Placeholder) {
-            // Do not inspect the node we just came from or placeholders.
+            /* Do not inspect the node we just came from or placeholders. */
             continue;
         }
 

src/identcheck.h

@@ -1,4 +1,5 @@
-// Validates identifier usage in an AST.
+/* Validates identifier usage in an AST. */
+
 #ifndef WRAITH_IDENTCHECK_H
 #define WRAITH_IDENTCHECK_H
 
@@ -42,6 +43,4 @@ int PrintAncestors(IdNode *node);
 IdNode* LookdownId(IdNode *root, NodeType targetType, char *targetName);
 IdNode* LookupId(IdNode *node, IdNode *prev, char* target);
 
-//IdStatus CheckIds(Node *root);
-
 #endif /* WRAITH_IDENTCHECK_H */