fix parser for ";", support line buffer overflow protect

Author: pikasTech

port/linux/.vscode/launch.json

@@ -11,40 +11,9 @@
             "program": "${workspaceFolder}/build/test/pikascript_test",
             // "program": "${workspaceFolder}/build/boot/demo06-pikamain/pikascript_demo06-pikamain",
             "args": [
-                // "--gtest_filter=vm.keyword_2"
-                // "--gtest_filter=compiler.find_break_point"
-                // "--gtest_filter=pikaMain.REPL_pdb_set_break"
-                // "--gtest_filter=vm.subsrc_import",
-                // "--gtest_filter=vm.run_file_subsrc"
-                // "--gtest_filter=vm.run_file"
-                // "--gtest_filter=stddata.encode_decode"
-                // "--gtest_filter=packtool.packfiles_txt"
-                // "--gtest_filter=cmodule.class_attr_obj"
-                // "--gtest_filter=except.try_import_except"
-                // "--gtest_filter=vm.test_cmodule_import_as"
-                // "--gtest_filter=vm.subsrc_import"
-                // "--gtest_filter=event.event_thread3"
-                // "--gtest_filter=parser.semicolon*"
-                // "--gtest_filter=time*"
-                // "--gtest_filter=flashdb.tsdb1"
-                // "--gtest_filter=flashdb.base"
-                // "--gtest_filter=jrpc.server"
-                // "--gtest_filter=jrpc.client"
-                // "--gtest_filter=jrpc.BlockingRequestBetweenTwoJRPC"
-                // "--gtest_filter=jrpc.cmd"
-                // "--gtest_filter=jrpc.exec_get_val"
-                // "--gtest_filter=jrpc.exec_get_val"
-                // "--gtest_filter=thread.issue1"
-                // "--gtest_filter=except.isinstance"
-                // "--gtest_filter=builtin.isinstance"
-                // "--gtest_filter=bytes.bytes_split"
-                // "--gtest_filter=except.dict"
-                // "--gtest_filter=except.*"
-                // "--gtest_filter=except.try1"
-                // "--gtest_filter=except.for_loop"
-                // "--gtest_filter=builtin.init_raise"
-                // "--gtest_filter=builtin.strformat"
-                // "--gtest_filter=except.typeerr"
+                // "--gtest_filter=module.REPL_big_script"
+                // "--gtest_filter=parser.input_issue1"
+                "--gtest_filter=except.raise_type"
             ],
             "stopAtEntry": false,
             "cwd": "${workspaceFolder}",

port/linux/test/module-test.cpp

@@ -504,9 +504,9 @@ char f_getchar(void) {
     if (n > 0) {
         return c;
     }
-    pika_platform_printf("f_getchar error\r\n");
-    pika_assert(0);
-    return -1;
+    // pika_platform_printf("f_getchar error\r\n");
+    // pika_assert(0);
+    return EOF;
 }
 void pikaScriptShell_withGetchar(PikaObj* self, sh_getchar getchar_fn);
 }
@@ -603,7 +603,7 @@ TEST(module, REPL_big_script) {
     fclose((FILE*)f_getchar_fp);
     /* collect */
     /* assert */
-    EXPECT_STREQ(log_buff[0],
+    EXPECT_STREQ(log_buff[3],
                  "\r\nError: line buff overflow, please use bigger "
                  "'PIKA_LINE_BUFF_SIZE'\r\n");
     /* deinit */

src/PikaObj.c

@@ -1668,6 +1668,14 @@ enum shellCTRL _inner_do_obj_runChar(PikaObj* self,
                                      ShellConfig* shell) {
     char* input_line = NULL;
     enum shellCTRL ctrl = SHELL_CTRL_CONTINUE;
+    static uint64_t tick_start_block_input = 0;
+    if (tick_start_block_input != 0) {
+        if (pika_platform_get_tick() - tick_start_block_input < 5000) {
+            return SHELL_CTRL_CONTINUE;
+        } else {
+            tick_start_block_input = 0;
+        }
+    }
     if (inputChar == 0x7F) {
         inputChar = '\b';
     }
@@ -1762,7 +1770,12 @@ enum shellCTRL _inner_do_obj_runChar(PikaObj* self,
             pika_platform_printf(
                 "\r\nError: line buff overflow, please use bigger "
                 "'PIKA_LINE_BUFF_SIZE'\r\n");
-            ctrl = SHELL_CTRL_EXIT;
+            ctrl = SHELL_CTRL_CONTINUE;
+            pika_platform_printf(
+                "Input is blocked for 5 seconds to protect the "
+                "kernel...\r\n");
+            tick_start_block_input = pika_platform_get_tick();
+            pika_platform_printf(">>> ");
             __clearBuff(shell);
             goto __exit;
         }
@@ -1981,6 +1994,12 @@ void _do_pikaScriptShell(PikaObj* self, ShellConfig* cfg) {
     while (1) {
         inputChar[1] = inputChar[0];
         inputChar[0] = _await_getchar(cfg->fn_getchar);
+#ifdef __linux
+        if (inputChar[0] == EOF) {
+            pika_platform_printf("\r\n");
+            return;
+        }
+#endif
 #if !PIKA_NANO_ENABLE
         /* run python script */
         if (inputChar[0] == '!' && inputChar[1] == '#') {

src/PikaParser.c

@@ -2720,7 +2720,9 @@ static char* Suger_semicolon(Args* outbuffs, char* sLine) {
         sStmtItem = strsAppend(&buffs, sStmtItem, "\n");
         sStmtAfter = strsAppend(&buffs, sStmtAfter, sStmtItem);
     }
-    sStmtAfter[strGetSize(sStmtAfter) - 1] = '\0';
+    if (sStmtAfter[0] != '\0') {
+        sStmtAfter[strGetSize(sStmtAfter) - 1] = '\0';
+    }
     sStmtAfter = strsCopy(outbuffs, sStmtAfter);
     strsDeinit(&buffs);
     return sStmtAfter;

src/PikaVersion.h

@@ -2,4 +2,4 @@
 #define PIKA_VERSION_MINOR 13
 #define PIKA_VERSION_MICRO 4
 
-#define PIKA_EDIT_TIME "2024/10/13 23:56:45"
+#define PIKA_EDIT_TIME "2024/10/14 11:09:44"