Add begin/end iterators for each section to ease iteration

renderdoc/driver/shaders/spirv/spirv_editor.cpp

@@ -312,21 +312,36 @@ SPIRVIterator SPIRVEditor::GetEntry(SPIRVId id)
   return SPIRVIterator();
 }
 
-SPIRVIterator SPIRVEditor::GetDebugInstructions()
+SPIRVIterator SPIRVEditor::BeginDebug()
 {
   return SPIRVIterator(spirv, debugSection.startOffset);
 }
 
-SPIRVIterator SPIRVEditor::GetDecorationInstructions()
+SPIRVIterator SPIRVEditor::BeginDecorations()
 {
   return SPIRVIterator(spirv, decorationSection.startOffset);
 }
 
-SPIRVIterator SPIRVEditor::GetTypeInstructions()
+SPIRVIterator SPIRVEditor::BeginTypes()
 {
   return SPIRVIterator(spirv, typeVarSection.startOffset);
 }
 
+SPIRVIterator SPIRVEditor::EndDebug()
+{
+  return SPIRVIterator(spirv, debugSection.endOffset);
+}
+
+SPIRVIterator SPIRVEditor::EndDecorations()
+{
+  return SPIRVIterator(spirv, decorationSection.endOffset);
+}
+
+SPIRVIterator SPIRVEditor::EndTypes()
+{
+  return SPIRVIterator(spirv, typeVarSection.endOffset);
+}
+
 SPIRVId SPIRVEditor::DeclareType(const SPIRVVoid &)
 {
   if(voidType)

renderdoc/driver/shaders/spirv/spirv_editor.h

@@ -326,9 +326,12 @@ public:
   // the entry point has 'two' opcodes, the entrypoint declaration and the function.
   // This returns the first, GetID returns the second.
   SPIRVIterator GetEntry(SPIRVId id);
-  SPIRVIterator GetDebugInstructions();
-  SPIRVIterator GetDecorationInstructions();
-  SPIRVIterator GetTypeInstructions();
+  SPIRVIterator BeginDebug();
+  SPIRVIterator BeginDecorations();
+  SPIRVIterator BeginTypes();
+  SPIRVIterator EndDebug();
+  SPIRVIterator EndDecorations();
+  SPIRVIterator EndTypes();
 
   // fetches the id of this type. If it exists already the old ID will be returned, otherwise it
   // will be declared and the new ID returned