[gardening] Fix typos

cmake/modules/AddSwift.cmake

@@ -227,7 +227,7 @@ function(_add_variant_c_compile_flags)
       endif()
     endif()
 
-    # MSVC/clang-cl don't support -fno-pic or -fms-compatability-version.
+    # MSVC/clang-cl don't support -fno-pic or -fms-compatibility-version.
     if(NOT SWIFT_COMPILER_IS_MSVC_LIKE)
       list(APPEND result -fno-pic)
       list(APPEND result "-fms-compatibility-version=1900")

docs/OwnershipManifesto.md

@@ -1124,7 +1124,7 @@ iteration variable `inout`:
 ```
 
 The sequence operand must be a storage reference expression.
-The storage will be accessed for the duraton of the loop,
+The storage will be accessed for the duration of the loop,
 which (as above) will prevent any other overlapping accesses
 to the collection.  (But this rule does not apply if the
 collection type defines the operation as a non-mutating

docs/SIL.rst

@@ -3867,7 +3867,7 @@ container referenced by ``%0``. The protocol conformances associated
 with this existential container are associated directly with the
 archetype ``$*@opened P``. This pointer can be used with any operation
 on archetypes, such as ``witness_method`` assuming this operation obeys the
-access contraint: The returned address can either allow ``mutable_access`` or
+access constraint: The returned address can either allow ``mutable_access`` or
 ``immutable_access``. Users of the returned address may only consume
 (e.g ``destroy_addr`` or ``copy_addr [take]``) or mutate the value at the
 address if they have ``mutable_access``.

include/swift/AST/GenericSignatureBuilder.h

@@ -138,7 +138,7 @@ class RequirementSource : public llvm::FoldingSetNode {
 
   /// The actual storage, described by \c storageKind.
   union {
-    /// The type representation descibing where the requirement came from.
+    /// The type representation describing where the requirement came from.
     const TypeRepr *typeRepr;
 
     /// Where a requirement came from.

include/swift/IDE/Utils.h

@@ -307,7 +307,7 @@ class DeclNameViewer {
   unsigned commonPartsCount(DeclNameViewer &Other) const;
 };
 
-/// This provide a utility for writing to a underlying string buffer mulitiple
+/// This provide a utility for writing to a underlying string buffer multiple
 /// string pieces and retrieve them later when the underlying buffer is stable.
 class DelayedStringRetriever : public raw_ostream {
     SmallVectorImpl<char> &OS;

include/swift/Parse/Lexer.h

@@ -233,7 +233,7 @@ class Lexer {
       lexImpl();
   }
 
-  /// Lex a full token includig leading and trailing trivia.
+  /// Lex a full token including leading and trailing trivia.
   syntax::RC<syntax::TokenSyntax> fullLex();
 
   bool isKeepingComments() const {

include/swift/Syntax/DeclSyntax.h

@@ -221,14 +221,14 @@ class StructDeclSyntax final : public DeclSyntax {
   withGenericParameterClause(GenericParameterClauseSyntax NewGenericParams)
   const;
 
-  /// Return the where clayse of the struct declaration.
+  /// Return the where clause of the struct declaration.
   GenericWhereClauseSyntax getGenericWhereClause() const;
 
   /// Return a StructDeclSyntax with the given generic where clause.
   StructDeclSyntax
   withWhereClause(GenericWhereClauseSyntax NewWhereClause) const;
 
-  /// Return the left brace '{' token of the struct declartion.
+  /// Return the left brace '{' token of the struct declaration.
   RC<TokenSyntax> getLeftBraceToken() const;
 
   /// Return a StructDeclSyntax with the given left brace '{' token.
@@ -240,7 +240,7 @@ class StructDeclSyntax final : public DeclSyntax {
   /// Return a StructDeclSyntax with the given new members.
   StructDeclSyntax withMembers(DeclMembersSyntax NewMembers) const;
 
-  /// Return the right brace '}' token of the struct declartion.
+  /// Return the right brace '}' token of the struct declaration.
   RC<TokenSyntax> getRightBraceToken() const;
 
   /// Return a StructDeclSyntax with the given right brace '}' token.

include/swift/Syntax/References.h

@@ -24,6 +24,6 @@ template <typename Inner>
 using RC = llvm::IntrusiveRefCntPtr<Inner>;
 
 } // end namespace syntax
-} // end namespae swift
+} // end namespace swift
 
 #endif // SWIFT_SYNTAX_REFERENCES_H

include/swift/Syntax/StmtSyntax.h

@@ -267,7 +267,7 @@ class FallthroughStmtSyntax : public StmtSyntax {
   /// fallthrough statement.
   RC<TokenSyntax> getFallthroughKeyword() const;
 
-  /// Return a new FallthroughtStmtSyntax with the given fallthrough
+  /// Return a new FallthroughStmtSyntax with the given fallthrough
   /// keyword.
   FallthroughStmtSyntax
   withFallthroughKeyword(RC<TokenSyntax> NewFallthroughKeyword) const;

include/swift/Syntax/Trivia.h

@@ -125,7 +125,7 @@ enum class TriviaKind {
   Semicolon
 };
 
-/// A contiguous stretch of a single kind of trivia. The constiuent part of
+/// A contiguous stretch of a single kind of trivia. The constituent part of
 /// a `Trivia` collection.
 ///
 /// For example, four spaces would be represented by

include/swift/Syntax/TypeSyntax.h

@@ -662,7 +662,7 @@ class OptionalTypeSyntax final : public TypeSyntax {
 };
 
 #pragma mark -
-#pragma mark implicity-unwrapped-optional-type Data
+#pragma mark implicitly-unwrapped-optional-type Data
 
 class ImplicitlyUnwrappedOptionalTypeSyntaxData final : public TypeSyntaxData {
   friend struct SyntaxFactory;
@@ -683,7 +683,7 @@ class ImplicitlyUnwrappedOptionalTypeSyntaxData final : public TypeSyntaxData {
 };
 
 #pragma mark -
-#pragma mark implicity-unwrapped-optional-type API
+#pragma mark implicitly-unwrapped-optional-type API
 
 /// implicitly-unwrapped-optional-type -> type '!'
 class ImplicitlyUnwrappedOptionalTypeSyntax final : public TypeSyntax {
@@ -729,8 +729,6 @@ class ArrayTypeSyntaxData final : public TypeSyntaxData {
   friend class SyntaxData;
   friend struct SyntaxFactory;
 
-  RC<TypeSyntaxData> CachedElemenType;
-
   ArrayTypeSyntaxData(RC<RawSyntax> Raw,
                       const SyntaxData *Parent = nullptr,
                       CursorIndex IndexInParent = 0);

lib/AST/GenericSignatureBuilder.cpp

@@ -574,7 +574,7 @@ struct GenericSignatureBuilder::ResolvedType {
   // FIXME: this probably shouldn't exist, the potential archetype modelling of
   // generic typealiases is fundamentally broken (aka they're not modelled at
   // all), but some things with them mostly work, so we just maintain that,
-  // despite this causing crashes and weird behaviour.
+  // despite this causing crashes and weird behavior.
   static ResolvedType forConcreteTypeFromGenericTypeAlias(Type t) {
     return ResolvedType(t);
   }

lib/IRGen/GenCall.cpp

@@ -251,7 +251,7 @@ namespace {
 
     bool claimError() {
       auto Ret = CanUseError;
-      assert(CanUseError && "Mulitple error parameters?!");
+      assert(CanUseError && "Multiple error parameters?!");
       CanUseError = false;
       return Ret;
     }
@@ -2450,7 +2450,7 @@ Explosion NativeConventionSchema::mapFromNative(IRGenModule &IGM,
                                          ? coercionTy
                                          : overlappedCoercionTy;
 
-  // Allocate a temporary for the coersion.
+  // Allocate a temporary for the coercion.
   Address temporary;
   Size tempSize;
   std::tie(temporary, tempSize) = allocateForCoercion(
@@ -2580,7 +2580,7 @@ Explosion NativeConventionSchema::mapIntoNative(IRGenModule &IGM,
                                          ? coercionTy
                                          : overlappedCoercionTy;
 
-  // Allocate a temporary for the coersion.
+  // Allocate a temporary for the coercion.
   Address temporary;
   Size tempSize;
   std::tie(temporary, tempSize) = allocateForCoercion(
@@ -2647,7 +2647,7 @@ void IRGenFunction::emitScalarReturn(SILType resultType, Explosion &result,
     return;
   }
 
-  // In the native case no coersion is needed.
+  // In the native case no coercion is needed.
   if (isSwiftCCReturn) {
     auto &nativeSchema =
         IGM.getTypeInfo(resultType).nativeReturnValueSchema(IGM);

lib/SILOptimizer/Mandatory/AddressLowering.cpp

@@ -330,7 +330,7 @@ void OpaqueStorageAllocation::replaceFunctionArgs() {
 ///
 /// TODO: It might be faster to generate args directly from
 /// SILFunctionConventions without drilling through the result SILType. But one
-/// way or annother, we need to map result types into this context.
+/// way or another, we need to map result types into this context.
 unsigned
 OpaqueStorageAllocation::insertIndirectResultParameters(unsigned argIdx,
                                                         SILType resultType) {

lib/SILOptimizer/Transforms/PerformanceInliner.cpp

@@ -179,7 +179,7 @@ static bool calleeHasPartialApplyWithOpenedExistentials(FullApplySite AI) {
   SILFunction *Callee = AI.getReferencedFunction();
   auto Subs = AI.getSubstitutions();
 
-  // Bail if there are no open existnetials in the list of substitutions.
+  // Bail if there are no open existentials in the list of substitutions.
   bool HasNoOpenedExistentials = true;
   for (auto Sub : Subs) {
     if (Sub.getReplacement()->hasOpenedExistential()) {
@@ -303,7 +303,7 @@ SILFunction *SILPerformanceInliner::getEligibleFunction(FullApplySite AI) {
     return nullptr;
   }
 
-  // IRGen cannot handle partial_applies containing opened_extistentials
+  // IRGen cannot handle partial_applies containing opened_existentials
   // in its substitutions list.
   if (calleeHasPartialApplyWithOpenedExistentials(AI)) {
     return nullptr;

lib/Syntax/README.md

@@ -71,7 +71,7 @@ points for this library:
 1. Represent Swift grammar and use naming conventions in accordance with The
    Swift Programming Language book as much as possible, so people know what to
    look for.
-1. Accomodate "bad syntax" - humans are imperfect and source code is constantly
+1. Accommodate "bad syntax" - humans are imperfect and source code is constantly
    in a state of flux in an editor. Unforunately, we still live in a
    character-centric world - the library shouldn't fall over on bad syntax just
    because someone is in the middle of typing `struct`.

lib/Syntax/SyntaxFactory.cpp

@@ -1,4 +1,4 @@
-//===--- SyntaxBulider.cpp - Swift Syntax Builder Implementation *- C++ -*-===//
+//===--- SyntaxFactory.cpp - Swift Syntax Builder Implementation *- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //

lib/Syntax/TypeSyntax.cpp

@@ -650,7 +650,7 @@ OptionalTypeSyntax::withQuestionToken(RC<TokenSyntax> NewQuestionToken) const {
   return Data->replaceSelf<OptionalTypeSyntax>(NewRaw);
 }
 
-#pragma mark - implicity-unwrapped-optional-type Data
+#pragma mark - implicitly-unwrapped-optional-type Data
 
 ImplicitlyUnwrappedOptionalTypeSyntaxData::
 ImplicitlyUnwrappedOptionalTypeSyntaxData(RC<RawSyntax> Raw,
@@ -685,7 +685,7 @@ ImplicitlyUnwrappedOptionalTypeSyntaxData::makeBlank() {
     SourcePresence::Present));
 }
 
-#pragma mark - implicity-unwrapped-optional-type API
+#pragma mark - implicitly-unwrapped-optional-type API
 
 ImplicitlyUnwrappedOptionalTypeSyntax::
 ImplicitlyUnwrappedOptionalTypeSyntax(RC<SyntaxData> Root,

test/Generics/protocol_type_aliases.swift

@@ -51,7 +51,7 @@ func requirementOnConcreteNestedTypeAlias<T>(_: T) where T: Q2, T.C == T.B.X {}
 func concreteRequirementOnConcreteNestedTypeAlias<T>(_: T) where T: Q2, S<T.C> == T.B.X {}
 
 
-// Incompatable concrete typealias types are flagged as such
+// Incompatible concrete typealias types are flagged as such
 protocol P3 {
     typealias T = Int // expected-error{{typealias 'T' requires types 'Int' and 'Float' to be the same}}
 }