📝 add check for use statement

src/nasal_codegen.cpp

@@ -1166,7 +1166,13 @@ void codegen::repl_mode_info_output_gen(expr* node) {
 void codegen::block_gen(code_block* node) {
     for(auto tmp : node->get_expressions()) {
         switch(tmp->get_type()) {
-            case expr_type::ast_use: break;
+            case expr_type::ast_use:
+                if (!local.empty()) {
+                    die("module import is not allowed here.",
+                        tmp->get_location()
+                    );
+                }
+                break;
             case expr_type::ast_null: break;
             case expr_type::ast_id:
                 if (need_repl_output && local.empty()) {

tools/push.nas

@@ -1,7 +1,9 @@
 
-println("[",os.time(),"] auto push, please wait...");
+println("[",os.time(),"] (=.=) auto push, please wait...");
 
 while(system("git push")!=0) {
-    println("[",os.time(),"] failed to push, retrying...");
+    println("[",os.time(),"] (ToT) failed to push, retrying...");
     unix.sleep(0.5);
 }
+
+println("[",os.time(),"] (^o^) auto push complete.");

tools/search_file.nas

@@ -1,7 +1,17 @@
 import.std.file;
 
-if (size(arg)!=1) {
+var tips = func() {
+    println("usage:");
+    println("  nasal search_file.nas [key]");
+}
+
+if (size(arg)<1) {
     println("need a key string to search files.");
+    tips();
+    exit(-1);
+} else if (size(arg)>1) {
+    println("too many arguments.");
+    tips();
     exit(-1);
 }
 
@@ -33,7 +43,22 @@ foreach(var f;do_flat(file.recursive_find_files("."))) {
     count += 1;
     var begin = substr(f, 0, pos);
     var end = pos+size(needle)>=size(f)? "":substr(f, pos+size(needle), size(f));
-    println(begin, "\e[95;1m", needle, "\e[0m", end);
+    var file_size = fstat(f).st_size;
+    var unit = "b";
+    if (file_size>1024) {
+        file_size/=1024;
+        unit = "kb";
+    }
+    if (file_size>1024) {
+        file_size/=1024;
+        unit = "mb";
+    }
+    if (file_size>1024) {
+        file_size/=1024;
+        unit = "gb";
+    }
+    file_size = int(file_size);
+    println(begin, "\e[95;1m", needle, "\e[0m", end, " | ", file_size, " ", unit);
 }
 
 println("\n", count, " result(s).");