================
@@ -28,13 +28,60 @@ class AttributeCommonInfo;
class IdentifierInfo;
class ParsedAttr;
class Scope;
+class VarDecl;
+
+using llvm::dxil::ResourceClass;
// FIXME: This can be hidden (as static function in SemaHLSL.cpp) once we no
// longer need to create builtin buffer types in HLSLExternalSemaSource.
bool CreateHLSLAttributedResourceType(
Sema &S, QualType Wrapped, ArrayRef<const Attr *> AttrList,
QualType &ResType, HLSLAttributedResourceLocInfo *LocInfo = nullptr);
+enum class BindingType : uint8_t { NotAssigned, Explicit, Implicit };
+
+// DeclBindingInfo struct stores information about required/assigned resource
+// binding onon a declaration for specific resource class.
+struct DeclBindingInfo {
+ const VarDecl *Decl;
+ ResourceClass ResClass;
+ const HLSLResourceBindingAttr *Attr;
+ BindingType BindType;
+
+ DeclBindingInfo(const VarDecl *Decl, ResourceClass ResClass,
+ BindingType BindType = BindingType::NotAssigned,
+ const HLSLResourceBindingAttr *Attr = nullptr)
+ : Decl(Decl), ResClass(ResClass), Attr(Attr), BindType(BindType) {}
+
+ void setBindingAttribute(HLSLResourceBindingAttr *A, BindingType BT) {
+ assert(Attr == nullptr && BindType == BindingType::NotAssigned &&
+ "binding attribute already assigned");
+ Attr = A;
+ BindType = BT;
+ }
+};
+
+// ResourceBindings class stores information about all resource bindings
+// in a shader. It is used for binding diagnostics and implicit binding
+// assigments.
+class ResourceBindings {
+public:
+ DeclBindingInfo *addDeclBindingInfo(const VarDecl *VD,
+ ResourceClass ResClass);
+ DeclBindingInfo *getDeclBindingInfo(const VarDecl *VD,
+ ResourceClass ResClass);
+ bool hasBindingInfoForDecl(const VarDecl *VD);
----------------
damyanp wrote:
```suggestion
bool hasBindingInfoForDecl(const VarDecl *VD) const;
```
https://github.com/llvm/llvm-project/pull/111203
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