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Replacing 'this_arg' meta opcode with more general 'call site additional information' meta opcode with flags describing the call site features, and, optionally, 'this' argument.

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Introducing opcode_call_flags_t for argument of the new meta opcode, currently with two flags: 'have this argument' and '"direct call to eval" form'.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-06-10 21:47:09 +03:00
parent 6fadcd3f84
commit 446e8bf989
7 changed files with 149 additions and 49 deletions
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jerry-core/parser/js/opcodes-dumper.cpp
+42 -5
View File
@@ -764,6 +764,27 @@ dump_intrinsic (operand obj, operand arg)
return dump_undefined_assignment_res ();
}
/**
* Check that byte-code operand refers to 'eval' string
*
* @return true - if specified byte-code operand's type is literal, and value of corresponding
* literal is equal to ECMA_MAGIC_STRING_EVAL string,
* false - otherwise.
*/
bool
dumper_is_eval_literal (operand obj) /**< byte-code operand */
{
/*
* FIXME: Switch to corresponding magic string
*/
const ecma_char_t *eval_string_p = (const ecma_char_t *) "eval";
bool is_eval_lit = (obj.type == OPERAND_LITERAL
&& lit_literal_equal_type_zt (lit_get_literal_by_cp (obj.data.lit_id),
eval_string_p));
return is_eval_lit;
} /* dumper_is_eval_literal */
void
dump_boolean_assignment (operand op, bool is_true)
{
@@ -1077,14 +1098,30 @@ rewrite_varg_header_set_args_count (uint8_t args_count)
}
}
/**
* Dump 'meta' instruction of 'call additional information' type,
* containing call flags and, optionally, 'this' argument
*/
void
dump_this_arg (operand this_arg)
dump_call_additional_info (opcode_call_flags_t flags, /**< call flags */
operand this_arg) /**< 'this' argument - if flags include OPCODE_CALL_FLAGS_HAVE_THIS_ARG,
* or empty operand - otherwise */
{
JERRY_ASSERT (this_arg.type == OPERAND_TMP);
const opcode_t opcode = getop_meta (OPCODE_META_TYPE_THIS_ARG, this_arg.data.uid, INVALID_VALUE);
if (flags & OPCODE_CALL_FLAGS_HAVE_THIS_ARG)
{
JERRY_ASSERT (this_arg.type == OPERAND_TMP);
JERRY_ASSERT (!operand_is_empty (this_arg));
}
else
{
JERRY_ASSERT (operand_is_empty (this_arg));
}
const opcode_t opcode = getop_meta (OPCODE_META_TYPE_CALL_SITE_INFO,
flags,
(flags & OPCODE_CALL_FLAGS_HAVE_THIS_ARG) ? this_arg.data.uid : INVALID_VALUE);
serializer_dump_op_meta (create_op_meta_000 (opcode));
return;
}
} /* dump_call_additional_info */
void
dump_varg (operand op)