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-rw-r--r--clang/lib/Frontend/LayoutOverrideSource.cpp58
1 files changed, 29 insertions, 29 deletions
diff --git a/clang/lib/Frontend/LayoutOverrideSource.cpp b/clang/lib/Frontend/LayoutOverrideSource.cpp
index 93e07eb81f7..b31fbd087ba 100644
--- a/clang/lib/Frontend/LayoutOverrideSource.cpp
+++ b/clang/lib/Frontend/LayoutOverrideSource.cpp
@@ -23,7 +23,7 @@ static std::string parseName(StringRef S) {
unsigned Offset = 1;
while (Offset < S.size() && isIdentifierBody(S[Offset]))
++Offset;
-
+
return S.substr(0, Offset).str();
}
@@ -31,33 +31,33 @@ LayoutOverrideSource::LayoutOverrideSource(StringRef Filename) {
std::ifstream Input(Filename.str().c_str());
if (!Input.is_open())
return;
-
+
// Parse the output of -fdump-record-layouts.
std::string CurrentType;
Layout CurrentLayout;
bool ExpectingType = false;
-
+
while (Input.good()) {
std::string Line;
getline(Input, Line);
-
+
StringRef LineStr(Line);
- // Determine whether the following line will start a
+ // Determine whether the following line will start a
if (LineStr.find("*** Dumping AST Record Layout") != StringRef::npos) {
// Flush the last type/layout, if there is one.
if (!CurrentType.empty())
Layouts[CurrentType] = CurrentLayout;
CurrentLayout = Layout();
-
+
ExpectingType = true;
continue;
}
-
+
// If we're expecting a type, grab it.
if (ExpectingType) {
ExpectingType = false;
-
+
StringRef::size_type Pos;
if ((Pos = LineStr.find("struct ")) != StringRef::npos)
LineStr = LineStr.substr(Pos + strlen("struct "));
@@ -67,19 +67,19 @@ LayoutOverrideSource::LayoutOverrideSource(StringRef Filename) {
LineStr = LineStr.substr(Pos + strlen("union "));
else
continue;
-
+
// Find the name of the type.
CurrentType = parseName(LineStr);
CurrentLayout = Layout();
continue;
}
-
+
// Check for the size of the type.
StringRef::size_type Pos = LineStr.find(" Size:");
if (Pos != StringRef::npos) {
// Skip past the " Size:" prefix.
LineStr = LineStr.substr(Pos + strlen(" Size:"));
-
+
unsigned long long Size = 0;
(void)LineStr.getAsInteger(10, Size);
CurrentLayout.Size = Size;
@@ -91,13 +91,13 @@ LayoutOverrideSource::LayoutOverrideSource(StringRef Filename) {
if (Pos != StringRef::npos) {
// Skip past the "Alignment:" prefix.
LineStr = LineStr.substr(Pos + strlen("Alignment:"));
-
+
unsigned long long Alignment = 0;
(void)LineStr.getAsInteger(10, Alignment);
CurrentLayout.Align = Alignment;
continue;
}
-
+
// Check for the size/alignment of the type.
Pos = LineStr.find("sizeof=");
if (Pos != StringRef::npos) {
@@ -113,16 +113,16 @@ LayoutOverrideSource::LayoutOverrideSource(StringRef Filename) {
if (Pos != StringRef::npos) {
/* Skip past the align= prefix. */
LineStr = LineStr.substr(Pos + strlen("align="));
-
+
// Parse alignment.
unsigned long long Alignment = 0;
(void)LineStr.getAsInteger(10, Alignment);
CurrentLayout.Align = Alignment;
}
-
+
continue;
}
-
+
// Check for the field offsets of the type.
Pos = LineStr.find("FieldOffsets: [");
if (Pos == StringRef::npos)
@@ -134,55 +134,55 @@ LayoutOverrideSource::LayoutOverrideSource(StringRef Filename) {
unsigned Idx = 1;
while (Idx < LineStr.size() && isDigit(LineStr[Idx]))
++Idx;
-
+
unsigned long long Offset = 0;
(void)LineStr.substr(0, Idx).getAsInteger(10, Offset);
-
+
CurrentLayout.FieldOffsets.push_back(Offset);
-
+
// Skip over this offset, the following comma, and any spaces.
LineStr = LineStr.substr(Idx + 1);
while (!LineStr.empty() && isWhitespace(LineStr[0]))
LineStr = LineStr.substr(1);
}
}
-
+
// Flush the last type/layout, if there is one.
if (!CurrentType.empty())
Layouts[CurrentType] = CurrentLayout;
}
-bool
+bool
LayoutOverrideSource::layoutRecordType(const RecordDecl *Record,
uint64_t &Size, uint64_t &Alignment,
llvm::DenseMap<const FieldDecl *, uint64_t> &FieldOffsets,
llvm::DenseMap<const CXXRecordDecl *, CharUnits> &BaseOffsets,
- llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets)
+ llvm::DenseMap<const CXXRecordDecl *, CharUnits> &VirtualBaseOffsets)
{
// We can't override unnamed declarations.
if (!Record->getIdentifier())
return false;
-
+
// Check whether we have a layout for this record.
llvm::StringMap<Layout>::iterator Known = Layouts.find(Record->getName());
if (Known == Layouts.end())
return false;
-
+
// Provide field layouts.
unsigned NumFields = 0;
- for (RecordDecl::field_iterator F = Record->field_begin(),
+ for (RecordDecl::field_iterator F = Record->field_begin(),
FEnd = Record->field_end();
F != FEnd; ++F, ++NumFields) {
if (NumFields >= Known->second.FieldOffsets.size())
continue;
-
+
FieldOffsets[*F] = Known->second.FieldOffsets[NumFields];
}
-
+
// Wrong number of fields.
if (NumFields != Known->second.FieldOffsets.size())
return false;
-
+
Size = Known->second.Size;
Alignment = Known->second.Align;
return true;
@@ -190,7 +190,7 @@ LayoutOverrideSource::layoutRecordType(const RecordDecl *Record,
LLVM_DUMP_METHOD void LayoutOverrideSource::dump() {
raw_ostream &OS = llvm::errs();
- for (llvm::StringMap<Layout>::iterator L = Layouts.begin(),
+ for (llvm::StringMap<Layout>::iterator L = Layouts.begin(),
LEnd = Layouts.end();
L != LEnd; ++L) {
OS << "Type: blah " << L->first() << '\n';
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