SolsNode stores line info

src/lexer/SolsToken.h

@@ -15,6 +15,14 @@ typedef enum SolsTokenType {
 
 typedef char* charptr;
 
+// Stores information about the line that the token/node is on, for printing if an error
+// occurs.
+// .num is the line number, .content is the line's contents.
+typedef struct LineInfo {
+    size_t num;
+    char* content;
+} LineInfo;
+
 // Represents a token lexed by the lex() function.
 // Most token types exclusively use the .type field, however some tokens require storing
 // more data, inside the .as union.
@@ -31,10 +39,7 @@ typedef struct SolsToken {
         char* idName;
         char* inlineGround;
     } as;
-    struct {
-        size_t num;
-        char* content;
-    } line;
+    LineInfo line;
 } SolsToken;
 
 Result(SolsToken, charptr);