diff options
Diffstat (limited to 'js/src/vm/Opcodes.h')
| -rw-r--r-- | js/src/vm/Opcodes.h | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/js/src/vm/Opcodes.h b/js/src/vm/Opcodes.h index f6636004d..4b044c8d8 100644 --- a/js/src/vm/Opcodes.h +++ b/js/src/vm/Opcodes.h @@ -1880,8 +1880,14 @@ * Stack: fun, name => fun */ \ macro(JSOP_SETFUNNAME, 182,"setfunname", NULL, 2, 2, 1, JOF_UINT8) \ - macro(JSOP_UNUSED183, 183,"unused183", NULL, 1, 0, 0, JOF_BYTE) \ - \ + /* + * Moves the top of the stack value under the nth element of the stack. + * Category: Operators + * Type: Stack Operations + * Operands: uint8_t n + * Stack: v[n], v[n-1], ..., v[1], v[0] => v[0], v[n], v[n-1], ..., v[1] + */ \ + macro(JSOP_UNPICK, 183,"unpick", NULL, 2, 0, 0, JOF_UINT8) \ /* * Pops the top of stack value, pushes property of it onto the stack. * @@ -1910,8 +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 @@ -2187,8 +2201,26 @@ */ \ macro(JSOP_HOLE, 218, "hole", NULL, 1, 0, 1, JOF_BYTE) \ \ - macro(JSOP_UNUSED219, 219,"unused219", NULL, 1, 0, 0, JOF_BYTE) \ - macro(JSOP_UNUSED220, 220,"unused220", NULL, 1, 0, 0, JOF_BYTE) \ + /* + * Checks that the top value on the stack is callable, and throws a + * TypeError if not. The operand 'kind' is used only to generate an + * appropriate error message. + * Category: Statements + * Type: Function + * Operands: uint8_t kind + * Stack: result => result, callable + */ \ + macro(JSOP_CHECKISCALLABLE, 219, "checkiscallable", NULL, 2, 1, 1, JOF_UINT8) \ + \ + /* + * No-op used by the exception unwinder to determine the correct + * environment to unwind to when performing IteratorClose due to + * destructuring. + * Category: Other + * Operands: + * Stack: => + */ \ + macro(JSOP_TRY_DESTRUCTURING_ITERCLOSE, 220, "try-destructuring-iterclose", NULL, 1, 0, 0, JOF_BYTE) \ macro(JSOP_UNUSED221, 221,"unused221", NULL, 1, 0, 0, JOF_BYTE) \ macro(JSOP_UNUSED222, 222,"unused222", NULL, 1, 0, 0, JOF_BYTE) \ macro(JSOP_UNUSED223, 223,"unused223", NULL, 1, 0, 0, JOF_BYTE) \ |