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-rw-r--r--js/src/vm/Interpreter.cpp12
-rw-r--r--js/src/vm/Interpreter.h1
-rw-r--r--js/src/vm/Opcodes.h12
3 files changed, 22 insertions, 3 deletions
diff --git a/js/src/vm/Interpreter.cpp b/js/src/vm/Interpreter.cpp
index 923c824ce..9a8c6777f 100644
--- a/js/src/vm/Interpreter.cpp
+++ b/js/src/vm/Interpreter.cpp
@@ -1887,7 +1887,6 @@ CASE(EnableInterruptsPseudoOpcode)
/* Various 1-byte no-ops. */
CASE(JSOP_NOP)
CASE(JSOP_NOP_DESTRUCTURING)
-CASE(JSOP_UNUSED187)
CASE(JSOP_UNUSED192)
CASE(JSOP_UNUSED209)
CASE(JSOP_UNUSED210)
@@ -2182,6 +2181,13 @@ CASE(JSOP_ENDITER)
}
END_CASE(JSOP_ENDITER)
+CASE(JSOP_ISGENCLOSING)
+{
+ bool b = REGS.sp[-1].isMagic(JS_GENERATOR_CLOSING);
+ PUSH_BOOLEAN(b);
+}
+END_CASE(JSOP_ISGENCLOSING)
+
CASE(JSOP_DUP)
{
MOZ_ASSERT(REGS.stackDepth() >= 1);
@@ -5074,6 +5080,10 @@ js::ThrowCheckIsObject(JSContext* cx, CheckIsObjectKind kind)
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_ITER_METHOD_RETURNED_PRIMITIVE, "return");
break;
+ case CheckIsObjectKind::IteratorThrow:
+ JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
+ JSMSG_ITER_METHOD_RETURNED_PRIMITIVE, "throw");
+ break;
case CheckIsObjectKind::GetIterator:
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_GET_ITER_RETURNED_PRIMITIVE);
break;
diff --git a/js/src/vm/Interpreter.h b/js/src/vm/Interpreter.h
index 3a24240fc..38e23ec06 100644
--- a/js/src/vm/Interpreter.h
+++ b/js/src/vm/Interpreter.h
@@ -563,6 +563,7 @@ ReportRuntimeRedeclaration(JSContext* cx, HandlePropertyName name, const char* r
enum class CheckIsObjectKind : uint8_t {
IteratorNext,
IteratorReturn,
+ IteratorThrow,
GetIterator
};
diff --git a/js/src/vm/Opcodes.h b/js/src/vm/Opcodes.h
index b59b9388c..84f08c4d5 100644
--- a/js/src/vm/Opcodes.h
+++ b/js/src/vm/Opcodes.h
@@ -1916,8 +1916,16 @@
* Stack: => this
*/ \
macro(JSOP_GLOBALTHIS, 186,"globalthis", NULL, 1, 0, 1, JOF_BYTE) \
- macro(JSOP_UNUSED187, 187,"unused187", NULL, 1, 0, 0, JOF_BYTE) \
- \
+ /*
+ * Pushes a boolean indicating whether the top of the stack is
+ * MagicValue(JS_GENERATOR_CLOSING).
+ *
+ * Category: Statements
+ * Type: For-In Statement
+ * Operands:
+ * Stack: val => val, res
+ */ \
+ macro(JSOP_ISGENCLOSING, 187, "isgenclosing", NULL, 1, 1, 2, JOF_BYTE) \
/*
* Pushes unsigned 24-bit int immediate integer operand onto the stack.
* Category: Literals