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Fix parse of preincrement / predecrement, applied to 'obj.prop'-like expressions.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan 2015-07-14 22:30:24 +03:00 committed by Evgeny Gavrin
parent 6fe78cc994
commit 0e8cb596d7
2 changed files with 25 additions and 3 deletions
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21
jerry-core/parser/js/parser.cpp
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@ -1041,7 +1041,12 @@ parse_left_hand_side_expression (operand *this_arg, operand *prop)
: left_hand_side_expression ('++' | '--')?
; */
static operand
parse_postfix_expression (void)
parse_postfix_expression (operand *out_this_arg_gl_p, /**< out: if expression evaluates to object-based
* reference - the reference's base;
* otherwise - empty operand */
operand *out_prop_gl_p) /**< out: if expression evaluates to object-based
* reference - the reference's name;
* otherwise - empty operand */
{
operand this_arg = empty_operand (), prop = empty_operand ();
operand expr = parse_left_hand_side_expression (&this_arg, &prop);
@ -1079,8 +1084,18 @@ parse_postfix_expression (void)
lexer_save_token (tok);
}
if (out_this_arg_gl_p != NULL)
{
*out_this_arg_gl_p = this_arg;
}
if (out_prop_gl_p != NULL)
{
*out_prop_gl_p = prop;
}
return expr;
}
} /* parse_postfix_expression */
/* unary_expression
: postfix_expression
@ -1172,7 +1187,7 @@ parse_unary_expression (operand *this_arg_gl, operand *prop_gl)
}
default:
{
expr = parse_postfix_expression ();
expr = parse_postfix_expression (&this_arg, &prop);
}
}

7
tests/jerry/arithmetics-2.js
View File

@ -36,3 +36,10 @@ assert(c == 21);
c = a--;
assert(c == 22);
var o = { p : 1 };
assert (++o.p === 2);
assert (o.p === 2);
assert (--o.p === 1);
assert (o.p === 1);