Merge pull request swiftlang#23875 from compnerd/slides-are-fun

Remove slide calculation

Author: compnerd

include/swift/Reflection/ReflectionContext.h

@@ -202,7 +202,7 @@ class ReflectionContext
                                                RangeEnd - RangeStart);
 
     auto findMachOSectionByName = [&](std::string Name)
-        -> std::pair<std::pair<const char *, const char *>, uint64_t> {
+        -> std::pair<const char *, const char *> {
       for (unsigned I = 0; I < NumSect; ++I) {
         auto S = reinterpret_cast<typename T::Section *>(
             SectionsBuf + (I * sizeof(typename T::Section)));
@@ -213,9 +213,9 @@ class ReflectionContext
         auto LocalSectStart =
             reinterpret_cast<const char *>(SectBufData + RemoteSecStart - RangeStart);
         auto LocalSectEnd = reinterpret_cast<const char *>(LocalSectStart + S->size);
-        return {{LocalSectStart, LocalSectEnd}, 0};
+        return {LocalSectStart, LocalSectEnd};
       }
-      return {{nullptr, nullptr}, 0};
+      return {nullptr, nullptr};
     };
 
     auto FieldMdSec = findMachOSectionByName("__swift5_fieldmd");
@@ -225,24 +225,24 @@ class ReflectionContext
     auto TypeRefMdSec = findMachOSectionByName("__swift5_typeref");
     auto ReflStrMdSec = findMachOSectionByName("__swift5_reflstr");
 
-    if (FieldMdSec.first.first == nullptr &&
-        AssocTySec.first.first == nullptr &&
-        BuiltinTySec.first.first == nullptr &&
-        CaptureSec.first.first == nullptr &&
-        TypeRefMdSec.first.first == nullptr &&
-        ReflStrMdSec.first.first == nullptr)
+    if (FieldMdSec.first == nullptr &&
+        AssocTySec.first == nullptr &&
+        BuiltinTySec.first == nullptr &&
+        CaptureSec.first == nullptr &&
+        TypeRefMdSec.first == nullptr &&
+        ReflStrMdSec.first == nullptr)
       return false;
 
     auto LocalStartAddress = reinterpret_cast<uint64_t>(SectBuf.get());
     auto RemoteStartAddress = static_cast<uint64_t>(RangeStart);
 
     ReflectionInfo info = {
-        {{FieldMdSec.first.first, FieldMdSec.first.second}, 0},
-        {{AssocTySec.first.first, AssocTySec.first.second}, 0},
-        {{BuiltinTySec.first.first, BuiltinTySec.first.second}, 0},
-        {{CaptureSec.first.first, CaptureSec.first.second}, 0},
-        {{TypeRefMdSec.first.first, TypeRefMdSec.first.second}, 0},
-        {{ReflStrMdSec.first.first, ReflStrMdSec.first.second}, 0},
+        {{FieldMdSec.first, FieldMdSec.second}, 0},
+        {{AssocTySec.first, AssocTySec.second}, 0},
+        {{BuiltinTySec.first, BuiltinTySec.second}, 0},
+        {{CaptureSec.first, CaptureSec.second}, 0},
+        {{TypeRefMdSec.first, TypeRefMdSec.second}, 0},
+        {{ReflStrMdSec.first, ReflStrMdSec.second}, 0},
         LocalStartAddress,
         RemoteStartAddress};
 
@@ -310,7 +310,7 @@ class ReflectionContext
         sizeof(llvm::object::coff_section) * COFFFileHdr->NumberOfSections);
 
     auto findCOFFSectionByName = [&](llvm::StringRef Name)
-        -> std::pair<std::pair<const char *, const char *>, uint32_t> {
+        -> std::pair<const char *, const char *> {
       for (size_t i = 0; i < COFFFileHdr->NumberOfSections; ++i) {
         const llvm::object::coff_section *COFFSec =
             reinterpret_cast<const llvm::object::coff_section *>(
@@ -336,45 +336,43 @@ class ReflectionContext
           End -= 8;
         }
 
-        return {{Begin, End}, 0};
+        return {Begin, End};
       }
-      return {{nullptr, nullptr}, 0};
+      return {nullptr, nullptr};
     };
 
-    std::pair<std::pair<const char *, const char *>, uint32_t> CaptureSec =
+    std::pair<const char *, const char *> CaptureSec =
         findCOFFSectionByName(".sw5cptr");
-    std::pair<std::pair<const char *, const char *>, uint32_t> TypeRefMdSec =
+    std::pair<const char *, const char *> TypeRefMdSec =
         findCOFFSectionByName(".sw5tyrf");
-    std::pair<std::pair<const char *, const char *>, uint32_t> FieldMdSec =
+    std::pair<const char *, const char *> FieldMdSec =
         findCOFFSectionByName(".sw5flmd");
-    std::pair<std::pair<const char *, const char *>, uint32_t> AssocTySec =
+    std::pair<const char *, const char *> AssocTySec =
         findCOFFSectionByName(".sw5asty");
-    std::pair<std::pair<const char *, const char *>, uint32_t> BuiltinTySec =
+    std::pair<const char *, const char *> BuiltinTySec =
         findCOFFSectionByName(".sw5bltn");
-    std::pair<std::pair<const char *, const char *>, uint32_t> ReflStrMdSec =
+    std::pair<const char *, const char *> ReflStrMdSec =
         findCOFFSectionByName(".sw5rfst");
 
-    if (FieldMdSec.first.first == nullptr &&
-        AssocTySec.first.first == nullptr &&
-        BuiltinTySec.first.first == nullptr &&
-        CaptureSec.first.first == nullptr &&
-        TypeRefMdSec.first.first == nullptr &&
-        ReflStrMdSec.first.first == nullptr)
+    if (FieldMdSec.first == nullptr &&
+        AssocTySec.first == nullptr &&
+        BuiltinTySec.first == nullptr &&
+        CaptureSec.first == nullptr &&
+        TypeRefMdSec.first == nullptr &&
+        ReflStrMdSec.first == nullptr)
       return false;
+
     auto LocalStartAddress = reinterpret_cast<uintptr_t>(DOSHdrBuf.get());
     auto RemoteStartAddress =
         static_cast<uintptr_t>(ImageStart.getAddressData());
 
     ReflectionInfo Info = {
-        {{FieldMdSec.first.first, FieldMdSec.first.second}, FieldMdSec.second},
-        {{AssocTySec.first.first, AssocTySec.first.second}, AssocTySec.second},
-        {{BuiltinTySec.first.first, BuiltinTySec.first.second},
-         BuiltinTySec.second},
-        {{CaptureSec.first.first, CaptureSec.first.second}, CaptureSec.second},
-        {{TypeRefMdSec.first.first, TypeRefMdSec.first.second},
-         TypeRefMdSec.second},
-        {{ReflStrMdSec.first.first, ReflStrMdSec.first.second},
-         ReflStrMdSec.second},
+        {{FieldMdSec.first, FieldMdSec.second}, 0},
+        {{AssocTySec.first, AssocTySec.second}, 0},
+        {{BuiltinTySec.first, BuiltinTySec.second}, 0},
+        {{CaptureSec.first, CaptureSec.second}, 0},
+        {{TypeRefMdSec.first, TypeRefMdSec.second}, 0},
+        {{ReflStrMdSec.first, ReflStrMdSec.second}, 0},
         LocalStartAddress,
         RemoteStartAddress};
     this->addReflectionInfo(Info);
@@ -450,7 +448,7 @@ class ReflectionContext
     auto StrTab = reinterpret_cast<const char *>(StrTabBuf.get());
 
     auto findELFSectionByName = [&](std::string Name)
-        -> std::pair<std::pair<const char *, const char *>, uint64_t> {
+        -> std::pair<const char *, const char *> {
       // Now for all the sections, find their name.
       for (const typename T::Section *Hdr : SecHdrVec) {
         uint32_t Offset = Hdr->sh_name;
@@ -462,9 +460,9 @@ class ReflectionContext
         auto SecSize = Hdr->sh_size;
         auto SecBuf = this->getReader().readBytes(SecStart, SecSize);
         auto SecContents = reinterpret_cast<const char *>(SecBuf.get());
-        return {{SecContents, SecContents + SecSize}, 0};
+        return {SecContents, SecContents + SecSize};
       }
-      return {{nullptr, nullptr}, 0};
+      return {nullptr, nullptr};
     };
 
     auto FieldMdSec = findELFSectionByName("swift5_fieldmd");
@@ -476,28 +474,25 @@ class ReflectionContext
 
     // We succeed if at least one of the sections is present in the
     // ELF executable.
-    if (FieldMdSec.first.first == nullptr &&
-        AssocTySec.first.first == nullptr &&
-        BuiltinTySec.first.first == nullptr &&
-        CaptureSec.first.first == nullptr &&
-        TypeRefMdSec.first.first == nullptr &&
-        ReflStrMdSec.first.first == nullptr)
+    if (FieldMdSec.first == nullptr &&
+        AssocTySec.first == nullptr &&
+        BuiltinTySec.first == nullptr &&
+        CaptureSec.first == nullptr &&
+        TypeRefMdSec.first == nullptr &&
+        ReflStrMdSec.first == nullptr)
       return false;
 
     auto LocalStartAddress = reinterpret_cast<uint64_t>(Buf.get());
     auto RemoteStartAddress =
         static_cast<uint64_t>(ImageStart.getAddressData());
 
     ReflectionInfo info = {
-        {{FieldMdSec.first.first, FieldMdSec.first.second}, FieldMdSec.second},
-        {{AssocTySec.first.first, AssocTySec.first.second}, AssocTySec.second},
-        {{BuiltinTySec.first.first, BuiltinTySec.first.second},
-         BuiltinTySec.second},
-        {{CaptureSec.first.first, CaptureSec.first.second}, CaptureSec.second},
-        {{TypeRefMdSec.first.first, TypeRefMdSec.first.second},
-         TypeRefMdSec.second},
-        {{ReflStrMdSec.first.first, ReflStrMdSec.first.second},
-         ReflStrMdSec.second},
+        {{FieldMdSec.first, FieldMdSec.second}, 0},
+        {{AssocTySec.first, AssocTySec.second}, 0},
+        {{BuiltinTySec.first, BuiltinTySec.second}, 0},
+        {{CaptureSec.first, CaptureSec.second}, 0},
+        {{TypeRefMdSec.first, TypeRefMdSec.second}, 0},
+        {{ReflStrMdSec.first, ReflStrMdSec.second}, 0},
         LocalStartAddress,
         RemoteStartAddress};