[BugFix] fix date parse to adapt dst(day saving time)

[internal]:
AutoLand: release/2.11
issue: f-6073082544
[end_internal]

Author: zys777

src/interpreter/quickjs/include/quickjs-inner.h

@@ -2696,7 +2696,7 @@ QJS_HIDE LEPUSValue js_closure2(LEPUSContext *ctx, LEPUSValue func_obj,
 QJS_HIDE void js_random_init(LEPUSContext *ctx);
 QJS_HIDE LEPUSValue js_math_random(LEPUSContext *ctx, LEPUSValueConst this_val,
                                    int argc, LEPUSValueConst *argv);
-QJS_HIDE int getTimezoneOffset(int64_t time);
+QJS_HIDE int getTimezoneOffset(int64_t time, int dst_mode = 0);
 QJS_HIDE int JS_SetPrototypeInternal_GC(LEPUSContext *ctx, LEPUSValueConst obj,
                                         LEPUSValueConst proto_val,
                                         BOOL throw_flag);

src/interpreter/quickjs/source/quickjs.cc

@@ -41280,7 +41280,7 @@ QJS_STATIC LEPUSValue js___date_clock(LEPUSContext *ctx,
 
 /* OS dependent. d = argv[0] is in ms from 1970. Return the difference
    between local time and UTC time 'd' in minutes */
-int getTimezoneOffset(int64_t time) {
+int getTimezoneOffset(int64_t time, int dst_mode) {
 #if defined(_WIN32)
   TIME_ZONE_INFORMATION tzi;
   memset(&tzi, 0, sizeof(tzi));
@@ -41322,7 +41322,14 @@ int getTimezoneOffset(int64_t time) {
   }
   ti = time;
   localtime_r(&ti, &tm);
-  return -tm.tm_gmtoff / 60;
+  double ret = -tm.tm_gmtoff / 60;
+  // judge timezone for dst
+  if (tm.tm_isdst && dst_mode == 2) {  // isn't dst in date parse
+    ret += 60;
+  } else if (!tm.tm_isdst && dst_mode == 1) {  // is dst in date parse
+    ret -= 60;
+  }
+  return ret;
 #endif
 }
 
@@ -50114,7 +50121,8 @@ QJS_STATIC double time_clip(double t) {
     return LEPUS_FLOAT64_NAN;
 }
 
-QJS_STATIC double set_date_fields(double fields[], int is_local) {
+QJS_STATIC double set_date_fields(double fields[], int is_local,
+                                  int dst_mode = 0) {
   int64_t y;
   double days, h, m1;
   volatile double d; /* enforce evaluation order */
@@ -50135,7 +50143,7 @@ QJS_STATIC double set_date_fields(double fields[], int is_local) {
   h = fields[3] * 3600000 + fields[4] * 60000 + fields[5] * 1000 + fields[6];
   d = days * 86400000;
   d += h;
-  if (is_local) d += getTimezoneOffset(d) * 60000;
+  if (is_local) d += getTimezoneOffset(d, dst_mode) * 60000;
   return time_clip(d);
 }
 
@@ -50493,6 +50501,10 @@ QJS_STATIC LEPUSValue js_Date_parse(LEPUSContext *ctx, LEPUSValueConst this_val,
 
   rv = LEPUS_NAN;
 
+  struct tm info {};
+  time_t t;
+  int dst_mode = 0;
+
   s = JS_ToString_RC(ctx, argv[0]);
   if (LEPUS_IsException(s)) return LEPUS_EXCEPTION;
 
@@ -50575,7 +50587,15 @@ QJS_STATIC LEPUSValue js_Date_parse(LEPUSContext *ctx, LEPUSValueConst this_val,
     }
   }
   for (i = 0; i < 7; i++) fields1[i] = fields[i];
-  d = set_date_fields(fields1, is_local) - tz * 60000;
+  info.tm_year = fields[0] - 1900;
+  info.tm_mon = fields[1];
+  info.tm_mday = fields[2];
+  info.tm_hour = fields[3];
+  info.tm_min = 0;
+  info.tm_isdst = 1;
+  t = mktime(&info);
+  dst_mode = info.tm_isdst == 1 ? 1 : 2;  // 1: dst, 2: no dst
+  d = set_date_fields(fields1, is_local, dst_mode) - tz * 60000;
   rv = __JS_NewFloat64(ctx, d);
 
 done:

src/interpreter/quickjs/source/quickjs_gc.cc

@@ -27105,7 +27105,7 @@ static double time_clip(double t) {
     return LEPUS_FLOAT64_NAN;
 }
 
-static double set_date_fields(double fields[], int is_local) {
+static double set_date_fields(double fields[], int is_local, int dst_mode = 0) {
   int64_t y;
   double days, h, m1;
   volatile double d;
@@ -27126,7 +27126,7 @@ static double set_date_fields(double fields[], int is_local) {
   h = fields[3] * 3600000 + fields[4] * 60000 + fields[5] * 1000 + fields[6];
   d = days * 86400000;
   d += h;
-  if (is_local) d += getTimezoneOffset(d) * 60000;
+  if (is_local) d += getTimezoneOffset(d, dst_mode) * 60000;
   return time_clip(d);
 }
 
@@ -27479,6 +27479,9 @@ static LEPUSValue js_Date_parse(LEPUSContext *ctx, LEPUSValueConst this_val,
 
   rv = LEPUS_NAN;
   HandleScope func_scope(ctx, &rv, HANDLE_TYPE_LEPUS_VALUE);
+  struct tm info {};
+  time_t t;
+  int dst_mode = 0;
 
   s = JS_ToString_GC(ctx, argv[0]);
   if (LEPUS_IsException(s)) return LEPUS_EXCEPTION;
@@ -27563,7 +27566,15 @@ static LEPUSValue js_Date_parse(LEPUSContext *ctx, LEPUSValueConst this_val,
     }
   }
   for (i = 0; i < 7; i++) fields1[i] = fields[i];
-  d = set_date_fields(fields1, is_local) - tz * 60000;
+  info.tm_year = fields[0] - 1900;
+  info.tm_mon = fields[1];
+  info.tm_mday = fields[2];
+  info.tm_hour = fields[3];
+  info.tm_min = 0;
+  info.tm_isdst = 1;
+  t = mktime(&info);
+  dst_mode = info.tm_isdst == 1 ? 1 : 2;  // 1: dst, 2: no dst
+  d = set_date_fields(fields1, is_local, dst_mode) - tz * 60000;
   rv = __JS_NewFloat64(ctx, d);
 
 done:

testing/quickjs/compiler/test_common.cc

@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 int32_t typed_array_is_detached(LEPUSContext*, LEPUSObject*);
-double set_date_fields(double[], int);
+double set_date_fields(double[], int, int);
 
 namespace common_qjs_test {
 LEPUSValue js_deep_copy(LEPUSContext* ctx, LEPUSValueConst this_val, int argc,
@@ -1239,7 +1239,7 @@ TEST_F(CommonQjsTest, TypedArraySliceMemOverlap) {
 
 TEST_F(CommonQjsTest, TestDateUtc) {
   double fields[] = {1970, 0, 213503982336, 0, 0, 0, -18446744073709552000.0};
-  auto ret = set_date_fields(fields, 0);
+  auto ret = set_date_fields(fields, 0, 0);
   ASSERT_EQ(ret, 34447360);
 }