Merged conditions of if statements where possible. (#2380)

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
This commit is contained in:
László Langó
2018-06-06 08:08:17 +02:00
committed by yichoi
parent b61d0ed856
commit b4b0b7d572
11 changed files with 138 additions and 173 deletions
+3 -5
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@@ -1511,12 +1511,10 @@ ecma_string_get_chars (const ecma_string_t *string_p, /**< ecma-string */
} }
*size_p = size; *size_p = size;
if (*flags_p & ECMA_STRING_FLAG_IS_ASCII) if ((*flags_p & ECMA_STRING_FLAG_IS_ASCII)
&& length != size)
{ {
if (length != size) *flags_p = (uint8_t) (*flags_p & ~ECMA_STRING_FLAG_IS_ASCII);
{
*flags_p = (uint8_t) (*flags_p & ~ECMA_STRING_FLAG_IS_ASCII);
}
} }
return result_p; return result_p;
+5 -7
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@@ -771,14 +771,12 @@ ecma_free_property (ecma_object_t *object_p, /**< object the property belongs to
{ {
case ECMA_PROPERTY_TYPE_NAMEDDATA: case ECMA_PROPERTY_TYPE_NAMEDDATA:
{ {
if (ECMA_PROPERTY_GET_NAME_TYPE (*property_p) == ECMA_DIRECT_STRING_MAGIC) if (ECMA_PROPERTY_GET_NAME_TYPE (*property_p) == ECMA_DIRECT_STRING_MAGIC
&& (name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE
|| name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER))
{ {
if (name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_HANDLE ecma_free_native_pointer (property_p);
|| name_cp == LIT_INTERNAL_MAGIC_STRING_NATIVE_POINTER) break;
{
ecma_free_native_pointer (property_p);
break;
}
} }
ecma_free_value_if_not_object (ECMA_PROPERTY_VALUE_PTR (property_p)->value); ecma_free_value_if_not_object (ECMA_PROPERTY_VALUE_PTR (property_p)->value);
@@ -1716,13 +1716,11 @@ ecma_builtin_array_prototype_object_index_of (ecma_value_t this_arg, /**< this a
/* 9.a */ /* 9.a */
ECMA_TRY_CATCH (get_value, ecma_op_object_find (obj_p, idx_str_p), ret_value); ECMA_TRY_CATCH (get_value, ecma_op_object_find (obj_p, idx_str_p), ret_value);
if (ecma_is_value_found (get_value)) /* 9.b.i, 9.b.ii */
if (ecma_is_value_found (get_value)
&& ecma_op_strict_equality_compare (arg1, get_value))
{ {
/* 9.b.i, 9.b.ii */ found_index = ((ecma_number_t) from_idx);
if (ecma_op_strict_equality_compare (arg1, get_value))
{
found_index = ((ecma_number_t) from_idx);
}
} }
ECMA_FINALIZE (get_value); ECMA_FINALIZE (get_value);
@@ -1863,13 +1861,11 @@ ecma_builtin_array_prototype_object_last_index_of (ecma_value_t this_arg, /**< t
/* 8.a */ /* 8.a */
ECMA_TRY_CATCH (get_value, ecma_op_object_find (obj_p, idx_str_p), ret_value); ECMA_TRY_CATCH (get_value, ecma_op_object_find (obj_p, idx_str_p), ret_value);
if (ecma_is_value_found (get_value)) /* 8.b.i, 8.b.ii */
if (ecma_is_value_found (get_value)
&& ecma_op_strict_equality_compare (search_element, get_value))
{ {
/* 8.b.i, 8.b.ii */ num = ((ecma_number_t) from_idx);
if (ecma_op_strict_equality_compare (search_element, get_value))
{
num = ((ecma_number_t) from_idx);
}
} }
ECMA_FINALIZE (get_value); ECMA_FINALIZE (get_value);
@@ -190,17 +190,16 @@ ecma_builtin_global_object_parse_int (ecma_value_t this_arg, /**< this argument
if (ecma_is_value_empty (ret_value)) if (ecma_is_value_empty (ret_value))
{ {
/* 10. */ /* 10. */
if (strip_prefix) if (strip_prefix
&& ((end_p - start_p) >= 2)
&& (current == LIT_CHAR_0))
{ {
if (end_p - start_p >= 2 && current == LIT_CHAR_0) ecma_char_t next = *string_curr_p;
if (next == LIT_CHAR_LOWERCASE_X || next == LIT_CHAR_UPPERCASE_X)
{ {
ecma_char_t next = *string_curr_p; /* Skip the 'x' or 'X' characters. */
if (next == LIT_CHAR_LOWERCASE_X || next == LIT_CHAR_UPPERCASE_X) start_p = ++string_curr_p;
{ rad = 16;
/* Skip the 'x' or 'X' characters. */
start_p = ++string_curr_p;
rad = 16;
}
} }
} }
@@ -213,27 +213,25 @@ ecma_builtin_math_dispatch_routine (uint16_t builtin_routine_id, /**< built-in w
} }
} }
if (builtin_routine_id >= ECMA_MATH_OBJECT_ATAN2) if (builtin_routine_id >= ECMA_MATH_OBJECT_ATAN2
&& arguments_number >= 2)
{ {
if (arguments_number >= 2) if (ecma_is_value_number (arguments_list[1]))
{ {
if (ecma_is_value_number (arguments_list[1])) y = ecma_get_number_from_value (arguments_list[1]);
}
else
{
ecma_value_t value = ecma_op_to_number (arguments_list[1]);
if (ECMA_IS_VALUE_ERROR (value))
{ {
y = ecma_get_number_from_value (arguments_list[1]); return value;
} }
else
{
ecma_value_t value = ecma_op_to_number (arguments_list[1]);
if (ECMA_IS_VALUE_ERROR (value)) y = ecma_get_number_from_value (value);
{
return value;
}
y = ecma_get_number_from_value (value); ecma_fast_free_value (value);
ecma_fast_free_value (value);
}
} }
} }
@@ -198,12 +198,10 @@ ecma_builtin_typedarray_prototype_exec_routine (ecma_value_t this_arg, /**< this
ret_value = ECMA_VALUE_FALSE; ret_value = ECMA_VALUE_FALSE;
} }
} }
else if (mode == TYPEDARRAY_ROUTINE_SOME) else if (mode == TYPEDARRAY_ROUTINE_SOME
&& ecma_op_to_boolean (call_value))
{ {
if (ecma_op_to_boolean (call_value)) ret_value = ECMA_VALUE_TRUE;
{
ret_value = ECMA_VALUE_TRUE;
}
} }
ECMA_FINALIZE (call_value); ECMA_FINALIZE (call_value);
+3 -7
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@@ -775,14 +775,10 @@ ecma_op_to_property_descriptor (ecma_value_t obj_value, /**< object value */
JERRY_ASSERT (ecma_is_value_empty (ret_value)); JERRY_ASSERT (ecma_is_value_empty (ret_value));
/* 9. */ /* 9. */
if (prop_desc.is_get_defined if ((prop_desc.is_get_defined || prop_desc.is_set_defined)
|| prop_desc.is_set_defined) && (prop_desc.is_value_defined || prop_desc.is_writable_defined))
{ {
if (prop_desc.is_value_defined ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Accessors cannot be writable."));
|| prop_desc.is_writable_defined)
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Accessors cannot be writable."));
}
} }
} }
+38 -44
View File
@@ -264,29 +264,27 @@ ecma_op_object_get_own_property (ecma_object_t *object_p, /**< the object */
{ {
uint32_t index = ecma_string_get_array_index (property_name_p); uint32_t index = ecma_string_get_array_index (property_name_p);
if (index != ECMA_STRING_NOT_ARRAY_INDEX) if (index != ECMA_STRING_NOT_ARRAY_INDEX
&& index < ext_object_p->u.pseudo_array.u1.length)
{ {
if (index < ext_object_p->u.pseudo_array.u1.length) ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
{ {
ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1); ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY) ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
{ ext_object_p->u.pseudo_array.u2.lex_env_cp);
ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, JERRY_ASSERT (lex_env_p != NULL
ext_object_p->u.pseudo_array.u2.lex_env_cp); && ecma_is_lexical_environment (lex_env_p));
JERRY_ASSERT (lex_env_p != NULL ecma_value_t binding_value = ecma_op_get_binding_value (lex_env_p, arg_name_p, true);
&& ecma_is_lexical_environment (lex_env_p));
ecma_value_t binding_value = ecma_op_get_binding_value (lex_env_p, arg_name_p, true); ecma_named_data_property_assign_value (object_p,
ECMA_PROPERTY_VALUE_PTR (property_p),
ecma_named_data_property_assign_value (object_p, binding_value);
ECMA_PROPERTY_VALUE_PTR (property_p), ecma_free_value (binding_value);
binding_value);
ecma_free_value (binding_value);
}
} }
} }
} }
@@ -456,24 +454,22 @@ ecma_op_object_find_own (ecma_value_t base_value, /**< base value */
{ {
uint32_t index = ecma_string_get_array_index (property_name_p); uint32_t index = ecma_string_get_array_index (property_name_p);
if (index != ECMA_STRING_NOT_ARRAY_INDEX) if (index != ECMA_STRING_NOT_ARRAY_INDEX
&& index < ext_object_p->u.pseudo_array.u1.length)
{ {
if (index < ext_object_p->u.pseudo_array.u1.length) ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
{ {
ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1); ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY) ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
{ ext_object_p->u.pseudo_array.u2.lex_env_cp);
ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, JERRY_ASSERT (lex_env_p != NULL
ext_object_p->u.pseudo_array.u2.lex_env_cp); && ecma_is_lexical_environment (lex_env_p));
JERRY_ASSERT (lex_env_p != NULL return ecma_op_get_binding_value (lex_env_p, arg_name_p, true);
&& ecma_is_lexical_environment (lex_env_p));
return ecma_op_get_binding_value (lex_env_p, arg_name_p, true);
}
} }
} }
} }
@@ -781,25 +777,23 @@ ecma_op_object_put (ecma_object_t *object_p, /**< the object */
{ {
uint32_t index = ecma_string_get_array_index (property_name_p); uint32_t index = ecma_string_get_array_index (property_name_p);
if (index != ECMA_STRING_NOT_ARRAY_INDEX) if (index != ECMA_STRING_NOT_ARRAY_INDEX
&& index < ext_object_p->u.pseudo_array.u1.length)
{ {
if (index < ext_object_p->u.pseudo_array.u1.length) ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY)
{ {
ecma_value_t *arg_Literal_p = (ecma_value_t *) (ext_object_p + 1); ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
if (arg_Literal_p[index] != ECMA_VALUE_EMPTY) ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t,
{ ext_object_p->u.pseudo_array.u2.lex_env_cp);
ecma_string_t *arg_name_p = ecma_get_string_from_value (arg_Literal_p[index]);
ecma_object_t *lex_env_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_object_t, JERRY_ASSERT (lex_env_p != NULL
ext_object_p->u.pseudo_array.u2.lex_env_cp); && ecma_is_lexical_environment (lex_env_p));
JERRY_ASSERT (lex_env_p != NULL ecma_op_set_mutable_binding (lex_env_p, arg_name_p, value, true);
&& ecma_is_lexical_environment (lex_env_p)); return ECMA_VALUE_TRUE;
ecma_op_set_mutable_binding (lex_env_p, arg_name_p, value, true);
return ECMA_VALUE_TRUE;
}
} }
} }
} }
+5 -7
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@@ -1777,14 +1777,12 @@ lexer_construct_number_object (parser_context_t *context_p, /**< context */
{ {
int32_t int_num = (int32_t) num; int32_t int_num = (int32_t) num;
if (int_num == num) if (int_num == num
&& int_num <= CBC_PUSH_NUMBER_BYTE_RANGE_END
&& (int_num != 0 || !is_negative_number))
{ {
if (int_num <= CBC_PUSH_NUMBER_BYTE_RANGE_END context_p->lit_object.index = (uint16_t) int_num;
&& (int_num != 0 || !is_negative_number)) return true;
{
context_p->lit_object.index = (uint16_t) int_num;
return true;
}
} }
} }
+18 -22
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@@ -60,21 +60,19 @@ parser_push_result (parser_context_t *context_p) /**< context */
{ {
JERRY_ASSERT (CBC_SAME_ARGS (context_p->last_cbc_opcode, context_p->last_cbc_opcode + 1)); JERRY_ASSERT (CBC_SAME_ARGS (context_p->last_cbc_opcode, context_p->last_cbc_opcode + 1));
if (context_p->last_cbc_opcode == CBC_POST_INCR if ((context_p->last_cbc_opcode == CBC_POST_INCR
|| context_p->last_cbc_opcode == CBC_POST_DECR) || context_p->last_cbc_opcode == CBC_POST_DECR)
&& context_p->stack_depth >= context_p->stack_limit)
{ {
if (context_p->stack_depth >= context_p->stack_limit) /* Stack limit is increased for CBC_POST_INCR_PUSH_RESULT
* and CBC_POST_DECR_PUSH_RESULT opcodes. Needed by vm.c. */
JERRY_ASSERT (context_p->stack_depth == context_p->stack_limit);
context_p->stack_limit++;
if (context_p->stack_limit > PARSER_MAXIMUM_STACK_LIMIT)
{ {
/* Stack limit is increased for CBC_POST_INCR_PUSH_RESULT parser_raise_error (context_p, PARSER_ERR_STACK_LIMIT_REACHED);
* and CBC_POST_DECR_PUSH_RESULT opcodes. Needed by vm.c. */
JERRY_ASSERT (context_p->stack_depth == context_p->stack_limit);
context_p->stack_limit++;
if (context_p->stack_limit > PARSER_MAXIMUM_STACK_LIMIT)
{
parser_raise_error (context_p, PARSER_ERR_STACK_LIMIT_REACHED);
}
} }
} }
@@ -1501,16 +1499,14 @@ parser_process_binary_opcodes (parser_context_t *context_p, /**< context */
opcode = (cbc_opcode_t) context_p->stack_top_uint8; opcode = (cbc_opcode_t) context_p->stack_top_uint8;
parser_stack_pop_uint8 (context_p); parser_stack_pop_uint8 (context_p);
if (context_p->last_cbc_opcode == CBC_PUSH_LITERAL) if (context_p->last_cbc_opcode == CBC_PUSH_LITERAL
&& opcode == CBC_ASSIGN_SET_IDENT)
{ {
if (opcode == CBC_ASSIGN_SET_IDENT) JERRY_ASSERT (CBC_ARGS_EQ (CBC_ASSIGN_LITERAL_SET_IDENT,
{ CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2));
JERRY_ASSERT (CBC_ARGS_EQ (CBC_ASSIGN_LITERAL_SET_IDENT, context_p->last_cbc.value = parser_stack_pop_uint16 (context_p);
CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2)); context_p->last_cbc_opcode = CBC_ASSIGN_LITERAL_SET_IDENT;
context_p->last_cbc.value = parser_stack_pop_uint16 (context_p); continue;
context_p->last_cbc_opcode = CBC_ASSIGN_LITERAL_SET_IDENT;
continue;
}
} }
if (cbc_flags[opcode] & CBC_HAS_LITERAL_ARG) if (cbc_flags[opcode] & CBC_HAS_LITERAL_ARG)
+34 -40
View File
@@ -1245,13 +1245,11 @@ parser_parse_try_statement_end (parser_context_t *context_p) /**< context */
try_statement.type = parser_finally_block; try_statement.type = parser_finally_block;
} }
} }
else if (try_statement.type == parser_try_block) else if (try_statement.type == parser_try_block
&& context_p->token.type != LEXER_KEYW_CATCH
&& context_p->token.type != LEXER_KEYW_FINALLY)
{ {
if (context_p->token.type != LEXER_KEYW_CATCH parser_raise_error (context_p, PARSER_ERR_CATCH_FINALLY_EXPECTED);
&& context_p->token.type != LEXER_KEYW_FINALLY)
{
parser_raise_error (context_p, PARSER_ERR_CATCH_FINALLY_EXPECTED);
}
} }
} }
@@ -1694,41 +1692,39 @@ parser_parse_statements (parser_context_t *context_p) /**< context */
lexer_next_token (context_p); lexer_next_token (context_p);
if (context_p->token.type != LEXER_SEMICOLON if (context_p->token.type != LEXER_SEMICOLON
&& context_p->token.type != LEXER_RIGHT_BRACE) && context_p->token.type != LEXER_RIGHT_BRACE
&& (!(context_p->token.flags & LEXER_WAS_NEWLINE)
|| LEXER_IS_BINARY_OP_TOKEN (context_p->token.type)
|| context_p->token.type == LEXER_LEFT_PAREN
|| context_p->token.type == LEXER_LEFT_SQUARE
|| context_p->token.type == LEXER_DOT))
{ {
if (!(context_p->token.flags & LEXER_WAS_NEWLINE) /* The string is part of an expression statement. */
|| LEXER_IS_BINARY_OP_TOKEN (context_p->token.type) context_p->status_flags = status_flags;
|| context_p->token.type == LEXER_LEFT_PAREN
|| context_p->token.type == LEXER_LEFT_SQUARE
|| context_p->token.type == LEXER_DOT)
{
/* The string is part of an expression statement. */
context_p->status_flags = status_flags;
#ifdef JERRY_DEBUGGER #ifdef JERRY_DEBUGGER
if (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED) if (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED)
{ {
JERRY_ASSERT (context_p->last_breakpoint_line == 0); JERRY_ASSERT (context_p->last_breakpoint_line == 0);
parser_emit_cbc (context_p, CBC_BREAKPOINT_DISABLED); parser_emit_cbc (context_p, CBC_BREAKPOINT_DISABLED);
parser_flush_cbc (context_p); parser_flush_cbc (context_p);
parser_append_breakpoint_info (context_p, JERRY_DEBUGGER_BREAKPOINT_LIST, context_p->token.line); parser_append_breakpoint_info (context_p, JERRY_DEBUGGER_BREAKPOINT_LIST, context_p->token.line);
context_p->last_breakpoint_line = context_p->token.line; context_p->last_breakpoint_line = context_p->token.line;
} }
#endif /* JERRY_DEBUGGER */ #endif /* JERRY_DEBUGGER */
#ifdef JERRY_ENABLE_LINE_INFO #ifdef JERRY_ENABLE_LINE_INFO
parser_emit_line_info (context_p, context_p->token.line, false); parser_emit_line_info (context_p, context_p->token.line, false);
#endif /* JERRY_ENABLE_LINE_INFO */ #endif /* JERRY_ENABLE_LINE_INFO */
lexer_construct_literal_object (context_p, &lit_location, LEXER_STRING_LITERAL); lexer_construct_literal_object (context_p, &lit_location, LEXER_STRING_LITERAL);
parser_emit_cbc_literal_from_token (context_p, CBC_PUSH_LITERAL); parser_emit_cbc_literal_from_token (context_p, CBC_PUSH_LITERAL);
/* The extra_value is used for saving the token. */ /* The extra_value is used for saving the token. */
context_p->token.extra_value = context_p->token.type; context_p->token.extra_value = context_p->token.type;
context_p->token.type = LEXER_EXPRESSION_START; context_p->token.type = LEXER_EXPRESSION_START;
break; break;
}
} }
#ifdef PARSER_DUMP_BYTE_CODE #ifdef PARSER_DUMP_BYTE_CODE
@@ -1746,16 +1742,14 @@ parser_parse_statements (parser_context_t *context_p) /**< context */
} }
/* The last directive prologue can be the result of the script. */ /* The last directive prologue can be the result of the script. */
if (!(context_p->status_flags & PARSER_IS_FUNCTION)) if (!(context_p->status_flags & PARSER_IS_FUNCTION)
&& (context_p->token.type != LEXER_LITERAL
|| context_p->token.lit_location.type != LEXER_STRING_LITERAL))
{ {
if (context_p->token.type != LEXER_LITERAL lexer_construct_literal_object (context_p, &lit_location, LEXER_STRING_LITERAL);
|| context_p->token.lit_location.type != LEXER_STRING_LITERAL) parser_emit_cbc_literal_from_token (context_p, CBC_PUSH_LITERAL);
{ parser_emit_cbc (context_p, CBC_POP_BLOCK);
lexer_construct_literal_object (context_p, &lit_location, LEXER_STRING_LITERAL); parser_flush_cbc (context_p);
parser_emit_cbc_literal_from_token (context_p, CBC_PUSH_LITERAL);
parser_emit_cbc (context_p, CBC_POP_BLOCK);
parser_flush_cbc (context_p);
}
} }
} }