From 6ebb944530a307bef86d12d0bf08ca919f95ba4c Mon Sep 17 00:00:00 2001
From: Lyb <1576988680@qq.com>
Date: Sat, 2 Apr 2022 10:49:15 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4jerryscript=E5=A0=86=E5=A4=A7?=
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---
 components/language/jerryscript/Kconfig           |  6 ++++++
 .../language/jerryscript/jerry_port/jerry_main.c  | 15 +++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/components/language/jerryscript/Kconfig b/components/language/jerryscript/Kconfig
index b2816b3e4..6d80d8797 100644
--- a/components/language/jerryscript/Kconfig
+++ b/components/language/jerryscript/Kconfig
@@ -5,3 +5,9 @@ config LOSCFG_COMPONENTS_JERRYSCRIPT
     help
       Answer y to enable Jerryscript.
 
+config JERRY_GLOBAL_HEAP_SIZE
+    int "Jerryscript Head Size"
+    depends on LOSCFG_COMPONENTS_JERRYSCRIPT
+    default 10
+    help
+      Heap size occupied by jerryscript runtime.
diff --git a/components/language/jerryscript/jerry_port/jerry_main.c b/components/language/jerryscript/jerry_port/jerry_main.c
index 8698072f5..6a15e87fa 100644
--- a/components/language/jerryscript/jerry_port/jerry_main.c
+++ b/components/language/jerryscript/jerry_port/jerry_main.c
@@ -38,6 +38,7 @@
 #include "jerry_main.h"
 #include "jerryscript.h"
 #include "jerryscript-ext/handler.h"
+#include "jerryscript-port-default.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -54,6 +55,12 @@ static void Usage(void)
     printf("  FILE            input JS file\n");
 }
 
+static void *contextAlloc(size_t size, void *pCbData)
+{
+    (void)pCbData;
+    return malloc(size);
+}
+
 jerry_value_t JerryExit(const jerry_value_t function_obj, const jerry_value_t this_val,
                         const jerry_value_t args_p[], const jerry_length_t args_count)
 {
@@ -113,6 +120,11 @@ static int JerryEntry(int argc, char *argv[])
     const char *filePath = argv[1];
     uint32_t parseOpts = JERRY_PARSE_NO_OPTS;
 
+#ifdef JERRY_GLOBAL_HEAP_SIZE
+    jerry_context_t *pContext = jerry_create_context(JERRY_GLOBAL_HEAP_SIZE * 1024, contextAlloc, NULL); // 1024: 1M
+    jerry_port_default_set_current_context(pContext);
+#endif
+
     jerry_init(JERRY_INIT_EMPTY);   /* Initialize engine */
     jerryx_handler_register_global((const jerry_char_t *)"print", jerryx_handler_print);
     jerryx_handler_register_global((const jerry_char_t *)"assert", JerryAssert);
@@ -149,6 +161,9 @@ static int JerryEntry(int argc, char *argv[])
 
     jerry_release_value(retValue);
     jerry_cleanup();
+#ifdef JERRY_GLOBAL_HEAP_SIZE
+    free(pContext);
+#endif
     return 0;
 }
 
-- 
Gitee