Add any type for extlibs

src/interface.c

@@ -177,6 +177,7 @@ void groundCompileProgram(GroundProgram* program) {
 #ifdef GROUND_COMPILE_WITH_TRAM
     compileGroundProgram(program, "program.gexe");
 #else
+    (void)program;
     printf("This version of Ground has been compiled without Tram, so compilation is not supported.\n");
 #endif
 }

src/interpreter.c

@@ -211,6 +211,12 @@ GroundValueType stringToValueType(char* in) {
     if (strcmp(in, "function") == 0) {
         return FUNCTION;
     }
+    if (strcmp(in, "struct") == 0) {
+        return STRUCTVAL;
+    }
+    if (strcmp(in, "any") == 0) {
+        return ANY;
+    }
     return CUSTOM;
 }
 
@@ -931,6 +937,10 @@ GroundValue interpretGroundInstruction(GroundInstruction inst, GroundScope* scop
                     addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("struct"));
                     break;
                 }
+                case ANY: {
+                    addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("any"));
+                    break;
+                }
                 case NONE: {
                     addVariable(scope->variables, in->args.args[1].value.refName, createStringGroundValue("none"));
                     break;

src/parser.c

@@ -128,6 +128,9 @@ static GroundArg parseArgument(const char* token) {
     else if (token[0] == '-') {
         // Could be type reference or negative number
         if (strlen(token) > 1 && !isdigit(token[1])) {
+            if (strcmp(token, "-any") == 0) {
+                printf("Note: please avoid using \"any\" type outside of extlibs.\n");
+            }
             // Type reference (e.g., -int, -string)
             return createRefGroundArg(TYPEREF, token + 1);
         }

src/types.c

@@ -250,6 +250,10 @@ void printGroundValue(GroundValue* gv) {
             printf(" }>");
             break;
         }
+        case ANY: {
+            printf("<any>");
+            break;
+        }
         case ERROR: {
             printf("<error type: %s, what: %s>", gv->data.errorVal.type, gv->data.errorVal.what);
             break;
@@ -741,6 +745,7 @@ GroundError createGroundError(char* what, char* type, GroundInstruction* where,
 
 bool checkFnTypes(GroundValue* left, GroundFunctionArgs* right) {
     if (groundDisableTypeChecking) return true;
+    if (left->type == ANY || right->type == ANY) return true;
     if (left->type != right->type) {
         return false;
     }

src/types.h

@@ -33,7 +33,7 @@ typedef enum GroundInstType {
 } GroundInstType;
 
 typedef enum GroundValueType {
-    INT, DOUBLE, STRING, CHAR, BOOL, LIST, FUNCTION, STRUCTVAL, CUSTOM, ERROR, NONE
+    INT, DOUBLE, STRING, CHAR, BOOL, LIST, FUNCTION, STRUCTVAL, CUSTOM, ERROR, NONE, ANY
 } GroundValueType;
 
 typedef enum GroundArgType {