aboutsummaryrefslogtreecommitdiff
path: root/lib/Frontend/PCHWriter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Frontend/PCHWriter.cpp')
-rw-r--r--lib/Frontend/PCHWriter.cpp273
1 files changed, 200 insertions, 73 deletions
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 64a678ea450b..fb48df332121 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -19,6 +19,7 @@
#include "clang/AST/DeclContextInternals.h"
#include "clang/AST/Expr.h"
#include "clang/AST/Type.h"
+#include "clang/AST/TypeLocVisitor.h"
#include "clang/Lex/MacroInfo.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/HeaderSearch.h"
@@ -30,6 +31,7 @@
#include "clang/Basic/Version.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Bitcode/BitstreamWriter.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MemoryBuffer.h"
@@ -117,23 +119,6 @@ void PCHTypeWriter::VisitConstantArrayType(const ConstantArrayType *T) {
Code = pch::TYPE_CONSTANT_ARRAY;
}
-void PCHTypeWriter
-::VisitConstantArrayWithExprType(const ConstantArrayWithExprType *T) {
- VisitArrayType(T);
- Writer.AddSourceLocation(T->getLBracketLoc(), Record);
- Writer.AddSourceLocation(T->getRBracketLoc(), Record);
- Writer.AddAPInt(T->getSize(), Record);
- Writer.AddStmt(T->getSizeExpr());
- Code = pch::TYPE_CONSTANT_ARRAY_WITH_EXPR;
-}
-
-void PCHTypeWriter
-::VisitConstantArrayWithoutExprType(const ConstantArrayWithoutExprType *T) {
- VisitArrayType(T);
- Writer.AddAPInt(T->getSize(), Record);
- Code = pch::TYPE_CONSTANT_ARRAY_WITHOUT_EXPR;
-}
-
void PCHTypeWriter::VisitIncompleteArrayType(const IncompleteArrayType *T) {
VisitArrayType(T);
Code = pch::TYPE_INCOMPLETE_ARRAY;
@@ -225,6 +210,14 @@ void PCHTypeWriter::VisitElaboratedType(const ElaboratedType *T) {
}
void
+PCHTypeWriter::VisitSubstTemplateTypeParmType(
+ const SubstTemplateTypeParmType *T) {
+ Writer.AddTypeRef(QualType(T->getReplacedParameter(), 0), Record);
+ Writer.AddTypeRef(T->getReplacementType(), Record);
+ Code = pch::TYPE_SUBST_TEMPLATE_TYPE_PARM;
+}
+
+void
PCHTypeWriter::VisitTemplateSpecializationType(
const TemplateSpecializationType *T) {
// FIXME: Serialize this type (C++ only)
@@ -255,13 +248,150 @@ PCHTypeWriter::VisitObjCObjectPointerType(const ObjCObjectPointerType *T) {
Code = pch::TYPE_OBJC_OBJECT_POINTER;
}
-void PCHTypeWriter::VisitObjCProtocolListType(const ObjCProtocolListType *T) {
- Writer.AddTypeRef(T->getBaseType(), Record);
- Record.push_back(T->getNumProtocols());
- for (ObjCProtocolListType::qual_iterator I = T->qual_begin(),
- E = T->qual_end(); I != E; ++I)
- Writer.AddDeclRef(*I, Record);
- Code = pch::TYPE_OBJC_PROTOCOL_LIST;
+namespace {
+
+class TypeLocWriter : public TypeLocVisitor<TypeLocWriter> {
+ PCHWriter &Writer;
+ PCHWriter::RecordData &Record;
+
+public:
+ TypeLocWriter(PCHWriter &Writer, PCHWriter::RecordData &Record)
+ : Writer(Writer), Record(Record) { }
+
+#define ABSTRACT_TYPELOC(CLASS, PARENT)
+#define TYPELOC(CLASS, PARENT) \
+ void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc);
+#include "clang/AST/TypeLocNodes.def"
+
+ void VisitArrayTypeLoc(ArrayTypeLoc TyLoc);
+ void VisitFunctionTypeLoc(FunctionTypeLoc TyLoc);
+};
+
+}
+
+void TypeLocWriter::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) {
+ // nothing to do
+}
+void TypeLocWriter::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitFixedWidthIntTypeLoc(FixedWidthIntTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitComplexTypeLoc(ComplexTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitPointerTypeLoc(PointerTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getStarLoc(), Record);
+}
+void TypeLocWriter::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getCaretLoc(), Record);
+}
+void TypeLocWriter::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getAmpLoc(), Record);
+}
+void TypeLocWriter::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getAmpAmpLoc(), Record);
+}
+void TypeLocWriter::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getStarLoc(), Record);
+}
+void TypeLocWriter::VisitArrayTypeLoc(ArrayTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getLBracketLoc(), Record);
+ Writer.AddSourceLocation(TL.getRBracketLoc(), Record);
+ Record.push_back(TL.getSizeExpr() ? 1 : 0);
+ if (TL.getSizeExpr())
+ Writer.AddStmt(TL.getSizeExpr());
+}
+void TypeLocWriter::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) {
+ VisitArrayTypeLoc(TL);
+}
+void TypeLocWriter::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) {
+ VisitArrayTypeLoc(TL);
+}
+void TypeLocWriter::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) {
+ VisitArrayTypeLoc(TL);
+}
+void TypeLocWriter::VisitDependentSizedArrayTypeLoc(
+ DependentSizedArrayTypeLoc TL) {
+ VisitArrayTypeLoc(TL);
+}
+void TypeLocWriter::VisitDependentSizedExtVectorTypeLoc(
+ DependentSizedExtVectorTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitVectorTypeLoc(VectorTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitFunctionTypeLoc(FunctionTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getLParenLoc(), Record);
+ Writer.AddSourceLocation(TL.getRParenLoc(), Record);
+ for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
+ Writer.AddDeclRef(TL.getArg(i), Record);
+}
+void TypeLocWriter::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) {
+ VisitFunctionTypeLoc(TL);
+}
+void TypeLocWriter::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) {
+ VisitFunctionTypeLoc(TL);
+}
+void TypeLocWriter::VisitTypedefTypeLoc(TypedefTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitRecordTypeLoc(RecordTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitEnumTypeLoc(EnumTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitSubstTemplateTypeParmTypeLoc(
+ SubstTemplateTypeParmTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitTemplateSpecializationTypeLoc(
+ TemplateSpecializationTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitQualifiedNameTypeLoc(QualifiedNameTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitTypenameTypeLoc(TypenameTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+}
+void TypeLocWriter::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getNameLoc(), Record);
+ Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
+ Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
+ for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
+ Writer.AddSourceLocation(TL.getProtocolLoc(i), Record);
+}
+void TypeLocWriter::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
+ Writer.AddSourceLocation(TL.getStarLoc(), Record);
+ Writer.AddSourceLocation(TL.getLAngleLoc(), Record);
+ Writer.AddSourceLocation(TL.getRAngleLoc(), Record);
+ Record.push_back(TL.hasBaseTypeAsWritten());
+ Record.push_back(TL.hasProtocolsAsWritten());
+ if (TL.hasProtocolsAsWritten())
+ for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i)
+ Writer.AddSourceLocation(TL.getProtocolLoc(i), Record);
}
//===----------------------------------------------------------------------===//
@@ -411,8 +541,8 @@ void PCHWriter::WriteBlockInfoBlock() {
RECORD(PP_MACRO_FUNCTION_LIKE);
RECORD(PP_TOKEN);
- // Types block.
- BLOCK(TYPES_BLOCK);
+ // Decls and Types block.
+ BLOCK(DECLTYPES_BLOCK);
RECORD(TYPE_EXT_QUAL);
RECORD(TYPE_FIXED_WIDTH_INT);
RECORD(TYPE_COMPLEX);
@@ -435,12 +565,6 @@ void PCHWriter::WriteBlockInfoBlock() {
RECORD(TYPE_ENUM);
RECORD(TYPE_OBJC_INTERFACE);
RECORD(TYPE_OBJC_OBJECT_POINTER);
- RECORD(TYPE_OBJC_PROTOCOL_LIST);
- // Statements and Exprs can occur in the Types block.
- AddStmtsExprs(Stream, Record);
-
- // Decls block.
- BLOCK(DECLS_BLOCK);
RECORD(DECL_ATTR);
RECORD(DECL_TRANSLATION_UNIT);
RECORD(DECL_TYPEDEF);
@@ -470,7 +594,7 @@ void PCHWriter::WriteBlockInfoBlock() {
RECORD(DECL_BLOCK);
RECORD(DECL_CONTEXT_LEXICAL);
RECORD(DECL_CONTEXT_VISIBLE);
- // Statements and Exprs can occur in the Decls block.
+ // Statements and Exprs can occur in the Decls and Types block.
AddStmtsExprs(Stream, Record);
#undef RECORD
#undef BLOCK
@@ -662,7 +786,7 @@ public:
typedef const data_type& data_type_ref;
static unsigned ComputeHash(const char *path) {
- return BernsteinHash(path);
+ return llvm::HashString(path);
}
std::pair<unsigned,unsigned>
@@ -878,10 +1002,10 @@ void PCHWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
std::vector<uint32_t> SLocEntryOffsets;
RecordData PreloadSLocs;
SLocEntryOffsets.reserve(SourceMgr.sloc_entry_size() - 1);
- for (SourceManager::sloc_entry_iterator
- SLoc = SourceMgr.sloc_entry_begin() + 1,
- SLocEnd = SourceMgr.sloc_entry_end();
- SLoc != SLocEnd; ++SLoc) {
+ for (unsigned I = 1, N = SourceMgr.sloc_entry_size(); I != N; ++I) {
+ // Get this source location entry.
+ const SrcMgr::SLocEntry *SLoc = &SourceMgr.getSLocEntry(I);
+
// Record the offset of this source-location entry.
SLocEntryOffsets.push_back(Stream.GetCurrentBitNo());
@@ -956,9 +1080,8 @@ void PCHWriter::WriteSourceManagerBlock(SourceManager &SourceMgr,
// Compute the token length for this macro expansion.
unsigned NextOffset = SourceMgr.getNextOffset();
- SourceManager::sloc_entry_iterator NextSLoc = SLoc;
- if (++NextSLoc != SLocEnd)
- NextOffset = NextSLoc->getOffset();
+ if (I + 1 != N)
+ NextOffset = SourceMgr.getSLocEntry(I + 1).getOffset();
Record.push_back(NextOffset - SLoc->getOffset() - 1);
Stream.EmitRecordWithAbbrev(SLocInstantiationAbbrv, Record);
}
@@ -1019,6 +1142,7 @@ void PCHWriter::WritePreprocessor(const Preprocessor &PP) {
// Loop over all the macro definitions that are live at the end of the file,
// emitting each to the PP section.
+ // FIXME: Make sure that this sees macros defined in included PCH files.
for (Preprocessor::macro_iterator I = PP.macro_begin(), E = PP.macro_end();
I != E; ++I) {
// FIXME: This emits macros in hash table order, we should do it in a stable
@@ -1152,22 +1276,6 @@ void PCHWriter::WriteType(QualType T) {
FlushStmts();
}
-/// \brief Write a block containing all of the types.
-void PCHWriter::WriteTypesBlock(ASTContext &Context) {
- // Enter the types block.
- Stream.EnterSubblock(pch::TYPES_BLOCK_ID, 2);
-
- // Emit all of the types that need to be emitted (so far).
- while (!TypesToEmit.empty()) {
- QualType T = TypesToEmit.front();
- TypesToEmit.pop();
- WriteType(T);
- }
-
- // Exit the types block
- Stream.ExitBlock();
-}
-
//===----------------------------------------------------------------------===//
// Declaration Serialization
//===----------------------------------------------------------------------===//
@@ -1266,7 +1374,7 @@ public:
unsigned R = 5381;
for (unsigned I = 0; I != N; ++I)
if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(I))
- R = clang::BernsteinHashPartial(II->getName(), II->getLength(), R);
+ R = llvm::HashString(II->getName(), R);
return R;
}
@@ -1475,13 +1583,13 @@ public:
: Writer(Writer), PP(PP) { }
static unsigned ComputeHash(const IdentifierInfo* II) {
- return clang::BernsteinHash(II->getName());
+ return llvm::HashString(II->getName());
}
std::pair<unsigned,unsigned>
EmitKeyDataLength(llvm::raw_ostream& Out, const IdentifierInfo* II,
pch::IdentID ID) {
- unsigned KeyLen = strlen(II->getName()) + 1;
+ unsigned KeyLen = II->getLength() + 1;
unsigned DataLen = 4; // 4 bytes for the persistent ID << 1
if (isInterestingIdentifier(II)) {
DataLen += 2; // 2 bytes for builtin ID, flags
@@ -1506,7 +1614,7 @@ public:
// Record the location of the key data. This is used when generating
// the mapping from persistent IDs to strings.
Writer.SetIdentifierOffset(II, Out.tell());
- Out.write(II->getName(), KeyLen);
+ Out.write(II->getNameStart(), KeyLen);
}
void EmitData(llvm::raw_ostream& Out, const IdentifierInfo* II,
@@ -1810,7 +1918,7 @@ void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
// The translation unit is the first declaration we'll emit.
DeclIDs[Context.getTranslationUnitDecl()] = 1;
- DeclsToEmit.push(Context.getTranslationUnitDecl());
+ DeclTypesToEmit.push(Context.getTranslationUnitDecl());
// Make sure that we emit IdentifierInfos (and any attached
// declarations) for builtins.
@@ -1858,7 +1966,6 @@ void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
if (StatCalls && !isysroot)
WriteStatCache(*StatCalls, isysroot);
WriteSourceManagerBlock(Context.getSourceManager(), PP, isysroot);
- WritePreprocessor(PP);
WriteComments(Context);
// Write the record of special types.
Record.clear();
@@ -1875,17 +1982,25 @@ void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
AddTypeRef(Context.getsigjmp_bufType(), Record);
AddTypeRef(Context.ObjCIdRedefinitionType, Record);
AddTypeRef(Context.ObjCClassRedefinitionType, Record);
+ AddTypeRef(Context.getRawBlockdescriptorType(), Record);
+ AddTypeRef(Context.getRawBlockdescriptorExtendedType(), Record);
Stream.EmitRecord(pch::SPECIAL_TYPES, Record);
// Keep writing types and declarations until all types and
// declarations have been written.
- do {
- if (!DeclsToEmit.empty())
- WriteDeclsBlock(Context);
- if (!TypesToEmit.empty())
- WriteTypesBlock(Context);
- } while (!(DeclsToEmit.empty() && TypesToEmit.empty()));
-
+ Stream.EnterSubblock(pch::DECLTYPES_BLOCK_ID, 3);
+ WriteDeclsBlockAbbrevs();
+ while (!DeclTypesToEmit.empty()) {
+ DeclOrType DOT = DeclTypesToEmit.front();
+ DeclTypesToEmit.pop();
+ if (DOT.isType())
+ WriteType(DOT.getType());
+ else
+ WriteDecl(Context, DOT.getDecl());
+ }
+ Stream.ExitBlock();
+
+ WritePreprocessor(PP);
WriteMethodPool(SemaRef);
WriteIdentifierTable(PP);
@@ -1991,6 +2106,18 @@ void PCHWriter::AddSelectorRef(const Selector SelRef, RecordData &Record) {
Record.push_back(SID);
}
+void PCHWriter::AddDeclaratorInfo(DeclaratorInfo *DInfo, RecordData &Record) {
+ if (DInfo == 0) {
+ AddTypeRef(QualType(), Record);
+ return;
+ }
+
+ AddTypeRef(DInfo->getType(), Record);
+ TypeLocWriter TLW(*this, Record);
+ for (TypeLoc TL = DInfo->getTypeLoc(); !TL.isNull(); TL = TL.getNextTypeLoc())
+ TLW.Visit(TL);
+}
+
void PCHWriter::AddTypeRef(QualType T, RecordData &Record) {
if (T.isNull()) {
Record.push_back(pch::PREDEF_TYPE_NULL_ID);
@@ -2007,7 +2134,7 @@ void PCHWriter::AddTypeRef(QualType T, RecordData &Record) {
// Assign it a new ID. This is the only time we enqueue a
// qualified type, and it has no CV qualifiers.
ID = NextTypeID++;
- TypesToEmit.push(T);
+ DeclTypesToEmit.push(T);
}
// Encode the type qualifiers in the type reference.
@@ -2061,7 +2188,7 @@ void PCHWriter::AddTypeRef(QualType T, RecordData &Record) {
// We haven't seen this type before. Assign it a new ID and put it
// into the queue of types to emit.
ID = NextTypeID++;
- TypesToEmit.push(T);
+ DeclTypesToEmit.push(T);
}
// Encode the type qualifiers in the type reference.
@@ -2079,7 +2206,7 @@ void PCHWriter::AddDeclRef(const Decl *D, RecordData &Record) {
// We haven't seen this declaration before. Give it a new ID and
// enqueue it in the list of declarations to emit.
ID = DeclIDs.size();
- DeclsToEmit.push(const_cast<Decl *>(D));
+ DeclTypesToEmit.push(const_cast<Decl *>(D));
}
Record.push_back(ID);
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 03:28:23 +0000