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Add unary_plus and unary_minus opcodes

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This commit is contained in:
Ilmir Usmanov
2014-10-15 15:20:49 +04:00
parent 819361c234
commit 032031a861
5 changed files with 105 additions and 18 deletions
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src/libjsparser/parser.c
+4 -17
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@@ -500,17 +500,6 @@ token_after_newlines_must_be_keyword (keyword kw)
}
}
static void
integer_zero (void)
{
STACK_DECLARE_USAGE (IDX)
STACK_PUSH (IDX, next_temp_name ());
DUMP_OPCODE_3 (assignment, ID(1), OPCODE_ARG_TYPE_SMALLINT, 0);
STACK_CHECK_USAGE_LHS ();
}
static void
boolean_true (void)
{
@@ -1652,18 +1641,16 @@ parse_unary_expression (void)
{
STACK_PUSH (IDX, next_temp_name ());
NEXT (unary_expression);
integer_zero ();
DUMP_OPCODE_3 (addition, ID(3), ID(1), ID(2));
STACK_DROP (IDX, 2);
DUMP_OPCODE_2 (unary_plus, ID(2), ID(1));
STACK_DROP (IDX, 1);
break;
}
case TOK_MINUS:
{
STACK_PUSH (IDX, next_temp_name ());
NEXT (unary_expression);
integer_zero ();
DUMP_OPCODE_3 (substraction, ID(3), ID(1), ID(2));
STACK_DROP (IDX, 2);
DUMP_OPCODE_2 (unary_minus, ID(2), ID(1));
STACK_DROP (IDX, 1);
break;
}
case TOK_COMPL: