diff options
Diffstat (limited to 'src/v4/qv4value.h')
| -rw-r--r-- | src/v4/qv4value.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/v4/qv4value.h b/src/v4/qv4value.h index 0fb3464c02..929e4561b4 100644 --- a/src/v4/qv4value.h +++ b/src/v4/qv4value.h @@ -97,6 +97,7 @@ struct Q_V4_EXPORT Value NotDouble_Mask = 0xfffc0000, Type_Mask = 0xffff8000, Immediate_Mask = NotDouble_Mask | 0x00008000, + Special_Mask = Immediate_Mask | 0x20000, Tag_Shift = 32 }; enum ValueType { @@ -105,7 +106,8 @@ struct Q_V4_EXPORT Value Boolean_Type = Immediate_Mask | 0x20000, Integer_Type = Immediate_Mask | 0x30000, Object_Type = NotDouble_Mask | 0x00000, - String_Type = NotDouble_Mask | 0x10000 + String_Type = NotDouble_Mask | 0x10000, + Deleted_Type = NotDouble_Mask | 0x30000, }; enum ImmediateFlags { @@ -114,6 +116,7 @@ struct Q_V4_EXPORT Value enum ValueTypeInternal { _Undefined_Type = Undefined_Type, + _Deleted_Type = Deleted_Type, _Null_Type = Null_Type | ConvertibleToInt, _Boolean_Type = Boolean_Type | ConvertibleToInt, _Integer_Type = Integer_Type | ConvertibleToInt, @@ -126,6 +129,9 @@ struct Q_V4_EXPORT Value return tag & Type_Mask; } + // used internally in property + inline bool isDeleted() const { return tag == _Deleted_Type; } + inline bool isUndefined() const { return tag == _Undefined_Type; } inline bool isNull() const { return tag == _Null_Type; } inline bool isBoolean() const { return tag == _Boolean_Type; } @@ -185,6 +191,7 @@ struct Q_V4_EXPORT Value return val; } + static Value deletedValue(); static Value undefinedValue(); static Value nullValue(); static Value fromBoolean(Bool b); @@ -294,6 +301,15 @@ inline Value Value::nullValue() return v; } +inline VM::Value Value::deletedValue() +{ + VM::Value v; + v.tag = VM::Value::_Deleted_Type; + v.uint_32 = 0; + return v; +} + + inline Value Value::fromBoolean(Bool b) { Value v; |