Throw error if -DFUN_WITH_INI=ON is not set at build time. (0.37.41)

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(fun VERSION 0.37.40 LANGUAGES C)
+project(fun VERSION 0.37.41 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
@@ -555,14 +555,14 @@ add_custom_target(ops-quiet
 )
 
 add_custom_target(examples
-  COMMAND ${CMAKE_COMMAND} -E env FUN_LIB_DIR="${FUN_LIB}" ${CMAKE_SOURCE_DIR}/scripts/run_examples.sh
+  COMMAND ${CMAKE_COMMAND} -E env FUN_LIB_DIR="${FUN_LIB}" FUN_WITH_INI=$<IF:$<BOOL:${FUN_WITH_INI}>,1,0> ${CMAKE_SOURCE_DIR}/scripts/run_examples.sh
   DEPENDS fun
   USES_TERMINAL
   COMMENT "Build and run all examples"
 )
 
 add_custom_target(run-examples
-  COMMAND ${CMAKE_COMMAND} -E env FUN_LIB_DIR="${FUN_LIB}" ${CMAKE_SOURCE_DIR}/scripts/run_examples.sh
+  COMMAND ${CMAKE_COMMAND} -E env FUN_LIB_DIR="${FUN_LIB}" FUN_WITH_INI=$<IF:$<BOOL:${FUN_WITH_INI}>,1,0> ${CMAKE_SOURCE_DIR}/scripts/run_examples.sh
   DEPENDS fun
   USES_TERMINAL
   COMMENT "Build and run all examples"

scripts/run_examples.sh

@@ -69,16 +69,23 @@ fi
 
 rc=0
 for f in "${files[@]}"; do
+  base_name="$(basename "$f")"
+  # If INI support is disabled, skip INI examples to avoid expected failures
+  if [[ "${FUN_WITH_INI:-}" =~ ^(0|OFF|off|false|False)$ ]]; then
+    if [[ "$base_name" == ini_*.fun ]]; then
+      echo "=== Skipping (INI disabled): examples/$base_name ==="
+      continue
+    fi
+  fi
   echo "=== Running: ${f#$ROOT/} ==="
   if ! "$BIN" "$f"; then
     echo "FAILED: ${f#$ROOT/}"
-    base="$(basename "$f")"
+    dest="$EX_DIR/error/$base_name"
-    dest="$EX_DIR/error/$base"
     # Move the failing example to the error folder
     if mv -f "$f" "$dest"; then
-      echo "Moved to: examples/error/$base"
+      echo "Moved to: examples/error/$base_name"
     else
-      echo "warning: failed to move $base to examples/error/" >&2
+      echo "warning: failed to move $base_name to examples/error/" >&2
     fi
     rc=1
   fi

src/vm.c

@@ -741,6 +741,8 @@ void vm_run(VM *vm, Bytecode *entry) {
             #include "vm/ini/set.c"
             #include "vm/ini/unset.c"
             #include "vm/ini/save.c"
+            #else
+            #include "vm/ini/stubs.c"
             #endif
 
             /* CURL ops */

src/vm/ini/stubs.c

@@ -0,0 +1,104 @@
+/*
+ * This file provides stub handlers for INI opcodes when FUN_WITH_INI is disabled.
+ * Each opcode reports a clear runtime error and returns a safe default.
+ */
+
+/* OP_INI_LOAD: pops path string; pushes 0 (invalid handle) */
+case OP_INI_LOAD: {
+    Value vpath = pop_value(vm);
+    (void)vpath; /* unused */
+    free_value(vpath);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    push_value(vm, make_int(0));
+    break;
+}
+
+/* OP_INI_FREE: pops handle; pushes 0 */
+case OP_INI_FREE: {
+    Value vh = pop_value(vm);
+    free_value(vh);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    push_value(vm, make_int(0));
+    break;
+}
+
+/* Getters: pop args; push defaults (string:"", int:0, double:0.0, bool:0) */
+case OP_INI_GET_STRING: {
+    Value vdef = pop_value(vm);
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey);
+    /* cannot convert here; return empty string */
+    push_value(vm, make_string(""));
+    free_value(vdef);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    break;
+}
+
+case OP_INI_GET_INT: {
+    Value vdef = pop_value(vm);
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey);
+    (void)vdef; /* unused */
+    push_value(vm, make_int(0));
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    break;
+}
+
+case OP_INI_GET_DOUBLE: {
+    Value vdef = pop_value(vm);
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey);
+    (void)vdef; /* unused */
+    push_value(vm, make_float(0.0));
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    break;
+}
+
+case OP_INI_GET_BOOL: {
+    Value vdef = pop_value(vm);
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey);
+    (void)vdef; /* unused */
+    push_value(vm, make_int(0));
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    break;
+}
+
+/* Mutators: return 0 */
+case OP_INI_SET: {
+    Value vval = pop_value(vm);
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey); free_value(vval);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    push_value(vm, make_int(0));
+    break;
+}
+
+case OP_INI_UNSET: {
+    Value vkey = pop_value(vm);
+    Value vsec = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vsec); free_value(vkey);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    push_value(vm, make_int(0));
+    break;
+}
+
+case OP_INI_SAVE: {
+    Value vpath = pop_value(vm);
+    Value vh = pop_value(vm);
+    free_value(vh); free_value(vpath);
+    fun_vm_fprintf(stderr, "Runtime error: INI support disabled (rebuild with -DFUN_WITH_INI=ON)\n");
+    push_value(vm, make_int(0));
+    break;
+}