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Add a method in the types to check whether there is no decoration on a

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type.
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qining 2016-08-26 11:54:36 -04:00
parent 58e1a1e3be
commit ec07a07724
1 changed files with 8 additions and 0 deletions
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8
source/opt/types.h
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@ -84,6 +84,11 @@ class Type {
// Returns a human-readable string to represent this type.
virtual std::string str() const = 0;
// Returns true if there is no decoration on this type. For struct types,
// returns true only when there is no decoration for both the struct type
// and the struct members.
virtual bool decoration_empty() const { return decorations_.empty(); }
// A bunch of methods for casting this type to a given type. Returns this if the
// cast can be done, nullptr otherwise.
#define DeclareCastMethod(target) \
@ -271,6 +276,9 @@ class Struct : public Type {
bool IsSame(Type* that) const override;
std::string str() const override;
bool decoration_empty() const override {
return decorations_.empty() && element_decorations_.empty();
}
Struct* AsStruct() override { return this; }
const Struct* AsStruct() const override { return this; }