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83 lines
1.2 KiB
C++
83 lines
1.2 KiB
C++
// See the file "COPYING" in the main distribution directory for copyright.
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#include "Tag.h"
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#include "Val.h"
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Tag::Tag(EnumType* etype, type_t arg_type, subtype_t arg_subtype)
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{
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assert(arg_type > 0);
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type = arg_type;
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subtype = arg_subtype;
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int64_t i = (int64)(type) | ((int64)subtype << 31);
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Ref(etype);
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val = new EnumVal(i, etype);
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}
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Tag::Tag(EnumVal* arg_val)
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{
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assert(arg_val);
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val = arg_val;
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Ref(val);
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int64 i = val->InternalInt();
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type = i & 0xffffffff;
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subtype = (i >> 31) & 0xffffffff;
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}
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Tag::Tag(const Tag& other)
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{
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type = other.type;
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subtype = other.subtype;
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val = other.val;
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if ( val )
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Ref(val);
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}
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Tag::Tag()
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{
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type = 0;
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subtype = 0;
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val = 0;
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}
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Tag::~Tag()
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{
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Unref(val);
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val = 0;
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}
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Tag& Tag::operator=(const Tag& other)
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{
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if ( this != &other )
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{
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type = other.type;
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subtype = other.subtype;
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Unref(val);
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val = other.val;
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if ( val )
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Ref(val);
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}
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return *this;
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}
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EnumVal* Tag::AsEnumVal(EnumType* etype) const
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{
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if ( ! val )
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{
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assert(type == 0 && subtype == 0);
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Ref(etype);
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val = new EnumVal(0, etype);
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}
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return val;
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}
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std::string Tag::AsString() const
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{
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return fmt("%" PRIu32 "/%" PRIu32, type, subtype);
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}
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