vasilito
cb424d7448
verify-patch-sanity.py validates every active recipe .patch has internally- consistent hunk line counts — catching the 'malformed patch at line N' failure at commit/CI/preflight time instead of hours into a cook. This cycle hit that class three times (qtwaylandscanner, sddm, xwayland), each only discovered when cookbook tried to apply the patch. Running it across the repo found 29 latent malformed patches (validated against GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22'). They were harmless only because they sit in vendored recipes (baked, not re- applied) — but would fail on any version-bump re-derivation. --fix recounts the hunk headers (body untouched) and repaired all 29. Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test (test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats (empty placeholders, bare-@@ git hunks).
348 lines
14 KiB
C++
348 lines
14 KiB
C++
//===- ExprObjC.cpp - (ObjC) Expression AST Node Implementation -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the subclesses of Expr class declared in ExprObjC.h
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/ExprObjC.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/ComputeDependence.h"
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#include "clang/AST/SelectorLocationsKind.h"
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#include "clang/AST/Type.h"
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#include "clang/AST/TypeLoc.h"
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#include "llvm/Support/ErrorHandling.h"
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#include <cassert>
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#include <cstdint>
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using namespace clang;
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ObjCArrayLiteral::ObjCArrayLiteral(ArrayRef<Expr *> Elements, QualType T,
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ObjCMethodDecl *Method, SourceRange SR)
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: Expr(ObjCArrayLiteralClass, T, VK_PRValue, OK_Ordinary),
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NumElements(Elements.size()), Range(SR), ArrayWithObjectsMethod(Method) {
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Expr **SaveElements = getElements();
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for (unsigned I = 0, N = Elements.size(); I != N; ++I)
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SaveElements[I] = Elements[I];
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setDependence(computeDependence(this));
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}
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ObjCArrayLiteral *ObjCArrayLiteral::Create(const ASTContext &C,
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ArrayRef<Expr *> Elements,
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QualType T, ObjCMethodDecl *Method,
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SourceRange SR) {
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void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(Elements.size()));
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return new (Mem) ObjCArrayLiteral(Elements, T, Method, SR);
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}
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ObjCArrayLiteral *ObjCArrayLiteral::CreateEmpty(const ASTContext &C,
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unsigned NumElements) {
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void *Mem = C.Allocate(totalSizeToAlloc<Expr *>(NumElements));
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return new (Mem) ObjCArrayLiteral(EmptyShell(), NumElements);
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}
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ObjCDictionaryLiteral::ObjCDictionaryLiteral(ArrayRef<ObjCDictionaryElement> VK,
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bool HasPackExpansions, QualType T,
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ObjCMethodDecl *method,
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SourceRange SR)
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: Expr(ObjCDictionaryLiteralClass, T, VK_PRValue, OK_Ordinary),
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NumElements(VK.size()), HasPackExpansions(HasPackExpansions), Range(SR),
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DictWithObjectsMethod(method) {
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KeyValuePair *KeyValues = getTrailingObjects<KeyValuePair>();
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ExpansionData *Expansions =
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HasPackExpansions ? getTrailingObjects<ExpansionData>() : nullptr;
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for (unsigned I = 0; I < NumElements; I++) {
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KeyValues[I].Key = VK[I].Key;
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KeyValues[I].Value = VK[I].Value;
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if (Expansions) {
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Expansions[I].EllipsisLoc = VK[I].EllipsisLoc;
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if (VK[I].NumExpansions)
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Expansions[I].NumExpansionsPlusOne = *VK[I].NumExpansions + 1;
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else
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Expansions[I].NumExpansionsPlusOne = 0;
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}
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}
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setDependence(computeDependence(this));
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}
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ObjCDictionaryLiteral *
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ObjCDictionaryLiteral::Create(const ASTContext &C,
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ArrayRef<ObjCDictionaryElement> VK,
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bool HasPackExpansions, QualType T,
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ObjCMethodDecl *method, SourceRange SR) {
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void *Mem = C.Allocate(totalSizeToAlloc<KeyValuePair, ExpansionData>(
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VK.size(), HasPackExpansions ? VK.size() : 0));
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return new (Mem) ObjCDictionaryLiteral(VK, HasPackExpansions, T, method, SR);
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}
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ObjCDictionaryLiteral *
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ObjCDictionaryLiteral::CreateEmpty(const ASTContext &C, unsigned NumElements,
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bool HasPackExpansions) {
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void *Mem = C.Allocate(totalSizeToAlloc<KeyValuePair, ExpansionData>(
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NumElements, HasPackExpansions ? NumElements : 0));
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return new (Mem)
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ObjCDictionaryLiteral(EmptyShell(), NumElements, HasPackExpansions);
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}
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QualType ObjCPropertyRefExpr::getReceiverType(const ASTContext &ctx) const {
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if (isClassReceiver())
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return ctx.getObjCInterfaceType(getClassReceiver());
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if (isSuperReceiver())
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return getSuperReceiverType();
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return getBase()->getType();
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}
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ObjCMessageExpr::ObjCMessageExpr(QualType T, ExprValueKind VK,
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SourceLocation LBracLoc,
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SourceLocation SuperLoc, bool IsInstanceSuper,
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QualType SuperType, Selector Sel,
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ArrayRef<SourceLocation> SelLocs,
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SelectorLocationsKind SelLocsK,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit)
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: Expr(ObjCMessageExprClass, T, VK, OK_Ordinary),
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SelectorOrMethod(
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reinterpret_cast<uintptr_t>(Method ? Method : Sel.getAsOpaquePtr())),
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Kind(IsInstanceSuper ? SuperInstance : SuperClass),
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HasMethod(Method != nullptr), IsDelegateInitCall(false),
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IsImplicit(isImplicit), SuperLoc(SuperLoc), LBracLoc(LBracLoc),
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RBracLoc(RBracLoc) {
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initArgsAndSelLocs(Args, SelLocs, SelLocsK);
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setReceiverPointer(SuperType.getAsOpaquePtr());
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setDependence(computeDependence(this));
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}
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ObjCMessageExpr::ObjCMessageExpr(QualType T, ExprValueKind VK,
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SourceLocation LBracLoc,
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TypeSourceInfo *Receiver, Selector Sel,
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ArrayRef<SourceLocation> SelLocs,
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SelectorLocationsKind SelLocsK,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit)
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: Expr(ObjCMessageExprClass, T, VK, OK_Ordinary),
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SelectorOrMethod(
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reinterpret_cast<uintptr_t>(Method ? Method : Sel.getAsOpaquePtr())),
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Kind(Class), HasMethod(Method != nullptr), IsDelegateInitCall(false),
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IsImplicit(isImplicit), LBracLoc(LBracLoc), RBracLoc(RBracLoc) {
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initArgsAndSelLocs(Args, SelLocs, SelLocsK);
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setReceiverPointer(Receiver);
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setDependence(computeDependence(this));
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}
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ObjCMessageExpr::ObjCMessageExpr(QualType T, ExprValueKind VK,
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SourceLocation LBracLoc, Expr *Receiver,
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Selector Sel, ArrayRef<SourceLocation> SelLocs,
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SelectorLocationsKind SelLocsK,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit)
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: Expr(ObjCMessageExprClass, T, VK, OK_Ordinary),
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SelectorOrMethod(
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reinterpret_cast<uintptr_t>(Method ? Method : Sel.getAsOpaquePtr())),
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Kind(Instance), HasMethod(Method != nullptr), IsDelegateInitCall(false),
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IsImplicit(isImplicit), LBracLoc(LBracLoc), RBracLoc(RBracLoc) {
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initArgsAndSelLocs(Args, SelLocs, SelLocsK);
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setReceiverPointer(Receiver);
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setDependence(computeDependence(this));
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}
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void ObjCMessageExpr::initArgsAndSelLocs(ArrayRef<Expr *> Args,
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ArrayRef<SourceLocation> SelLocs,
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SelectorLocationsKind SelLocsK) {
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setNumArgs(Args.size());
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Expr **MyArgs = getArgs();
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for (unsigned I = 0; I != Args.size(); ++I)
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MyArgs[I] = Args[I];
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SelLocsKind = SelLocsK;
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if (!isImplicit() && SelLocsK == SelLoc_NonStandard)
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llvm::copy(SelLocs, getStoredSelLocs());
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}
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ObjCMessageExpr *
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ObjCMessageExpr::Create(const ASTContext &Context, QualType T, ExprValueKind VK,
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SourceLocation LBracLoc, SourceLocation SuperLoc,
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bool IsInstanceSuper, QualType SuperType, Selector Sel,
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ArrayRef<SourceLocation> SelLocs,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit) {
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assert((!SelLocs.empty() || isImplicit) &&
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"No selector locs for non-implicit message");
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ObjCMessageExpr *Mem;
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SelectorLocationsKind SelLocsK = SelectorLocationsKind();
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if (isImplicit)
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Mem = alloc(Context, Args.size(), 0);
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else
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Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK);
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return new (Mem) ObjCMessageExpr(T, VK, LBracLoc, SuperLoc, IsInstanceSuper,
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SuperType, Sel, SelLocs, SelLocsK, Method,
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Args, RBracLoc, isImplicit);
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}
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ObjCMessageExpr *
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ObjCMessageExpr::Create(const ASTContext &Context, QualType T, ExprValueKind VK,
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SourceLocation LBracLoc, TypeSourceInfo *Receiver,
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Selector Sel, ArrayRef<SourceLocation> SelLocs,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit) {
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assert((!SelLocs.empty() || isImplicit) &&
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"No selector locs for non-implicit message");
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ObjCMessageExpr *Mem;
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SelectorLocationsKind SelLocsK = SelectorLocationsKind();
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if (isImplicit)
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Mem = alloc(Context, Args.size(), 0);
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else
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Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK);
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return new (Mem)
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ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, SelLocs, SelLocsK, Method,
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Args, RBracLoc, isImplicit);
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}
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ObjCMessageExpr *
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ObjCMessageExpr::Create(const ASTContext &Context, QualType T, ExprValueKind VK,
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SourceLocation LBracLoc, Expr *Receiver, Selector Sel,
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ArrayRef<SourceLocation> SelLocs,
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ObjCMethodDecl *Method, ArrayRef<Expr *> Args,
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SourceLocation RBracLoc, bool isImplicit) {
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assert((!SelLocs.empty() || isImplicit) &&
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"No selector locs for non-implicit message");
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ObjCMessageExpr *Mem;
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SelectorLocationsKind SelLocsK = SelectorLocationsKind();
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if (isImplicit)
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Mem = alloc(Context, Args.size(), 0);
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else
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Mem = alloc(Context, Args, RBracLoc, SelLocs, Sel, SelLocsK);
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return new (Mem)
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ObjCMessageExpr(T, VK, LBracLoc, Receiver, Sel, SelLocs, SelLocsK, Method,
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Args, RBracLoc, isImplicit);
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}
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ObjCMessageExpr *ObjCMessageExpr::CreateEmpty(const ASTContext &Context,
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unsigned NumArgs,
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unsigned NumStoredSelLocs) {
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ObjCMessageExpr *Mem = alloc(Context, NumArgs, NumStoredSelLocs);
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return new (Mem) ObjCMessageExpr(EmptyShell(), NumArgs);
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}
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ObjCMessageExpr *ObjCMessageExpr::alloc(const ASTContext &C,
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ArrayRef<Expr *> Args,
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SourceLocation RBraceLoc,
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ArrayRef<SourceLocation> SelLocs,
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Selector Sel,
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SelectorLocationsKind &SelLocsK) {
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SelLocsK = hasStandardSelectorLocs(Sel, SelLocs, Args, RBraceLoc);
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unsigned NumStoredSelLocs =
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(SelLocsK == SelLoc_NonStandard) ? SelLocs.size() : 0;
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return alloc(C, Args.size(), NumStoredSelLocs);
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}
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ObjCMessageExpr *ObjCMessageExpr::alloc(const ASTContext &C, unsigned NumArgs,
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unsigned NumStoredSelLocs) {
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return (ObjCMessageExpr *)C.Allocate(
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totalSizeToAlloc<void *, SourceLocation>(NumArgs + 1, NumStoredSelLocs),
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alignof(ObjCMessageExpr));
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}
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void ObjCMessageExpr::getSelectorLocs(
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SmallVectorImpl<SourceLocation> &SelLocs) const {
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for (unsigned i = 0, e = getNumSelectorLocs(); i != e; ++i)
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SelLocs.push_back(getSelectorLoc(i));
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}
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QualType ObjCMessageExpr::getCallReturnType(ASTContext &Ctx) const {
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if (const ObjCMethodDecl *MD = getMethodDecl()) {
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QualType QT = MD->getReturnType();
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if (QT == Ctx.getObjCInstanceType()) {
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// instancetype corresponds to expression types.
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return getType();
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}
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return QT;
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}
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return Ctx.getReferenceQualifiedType(this);
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}
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SourceRange ObjCMessageExpr::getReceiverRange() const {
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switch (getReceiverKind()) {
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case Instance:
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return getInstanceReceiver()->getSourceRange();
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case Class:
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return getClassReceiverTypeInfo()->getTypeLoc().getSourceRange();
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case SuperInstance:
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case SuperClass:
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return getSuperLoc();
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}
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llvm_unreachable("Invalid ReceiverKind!");
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}
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Selector ObjCMessageExpr::getSelector() const {
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if (HasMethod)
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return reinterpret_cast<const ObjCMethodDecl *>(SelectorOrMethod)
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->getSelector();
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return Selector(SelectorOrMethod);
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}
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QualType ObjCMessageExpr::getReceiverType() const {
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switch (getReceiverKind()) {
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case Instance:
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return getInstanceReceiver()->getType();
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case Class:
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return getClassReceiver();
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case SuperInstance:
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case SuperClass:
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return getSuperType();
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}
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llvm_unreachable("unexpected receiver kind");
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}
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ObjCInterfaceDecl *ObjCMessageExpr::getReceiverInterface() const {
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QualType T = getReceiverType();
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if (const ObjCObjectPointerType *Ptr = T->getAs<ObjCObjectPointerType>())
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return Ptr->getInterfaceDecl();
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if (const ObjCObjectType *Ty = T->getAs<ObjCObjectType>())
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return Ty->getInterface();
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return nullptr;
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}
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Stmt::child_range ObjCMessageExpr::children() {
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Stmt **begin;
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if (getReceiverKind() == Instance)
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begin = reinterpret_cast<Stmt **>(getTrailingObjects<void *>());
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else
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begin = reinterpret_cast<Stmt **>(getArgs());
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return child_range(begin,
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reinterpret_cast<Stmt **>(getArgs() + getNumArgs()));
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}
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Stmt::const_child_range ObjCMessageExpr::children() const {
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auto Children = const_cast<ObjCMessageExpr *>(this)->children();
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return const_child_range(Children.begin(), Children.end());
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}
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StringRef ObjCBridgedCastExpr::getBridgeKindName() const {
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switch (getBridgeKind()) {
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case OBC_Bridge:
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return "__bridge";
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case OBC_BridgeTransfer:
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return "__bridge_transfer";
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case OBC_BridgeRetained:
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return "__bridge_retained";
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}
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llvm_unreachable("Invalid BridgeKind!");
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}
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