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fix member offset calculation inconsistencies in type-generator.cpp

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This commit is contained in:
Joel Dice 2010-10-23 20:41:45 -06:00
parent 6df0b2cfd9
commit 9c603c6525
1 changed files with 9 additions and 9 deletions
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18
src/type-generator.cpp
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@ -44,7 +44,7 @@ inline unsigned
pad(unsigned size, unsigned alignment) pad(unsigned size, unsigned alignment)
{ {
unsigned n = alignment; unsigned n = alignment;
while (size and n % size and n % BytesPerWord) ++ n; while (size and n % size) ++ n;
return n - alignment; return n - alignment;
} }
@ -886,11 +886,11 @@ class MemberIterator {
offset_(type->type == Object::Pod ? 0 : BytesPerWord), offset_(type->type == Object::Pod ? 0 : BytesPerWord),
size_(0), size_(0),
padding_(0), padding_(0),
alignment_(0) alignment_(BytesPerWord)
{ {
while (skipSupers and hasMore() and this->type != type) next(); while (skipSupers and hasMore() and this->type != type) next();
padding_ = 0; padding_ = 0;
alignment_ = 0; alignment_ = BytesPerWord;
} }
bool hasMore() { bool hasMore() {
@ -924,7 +924,7 @@ class MemberIterator {
case Object::Scalar: { case Object::Scalar: {
size_ = memberSize(member); size_ = memberSize(member);
padding_ = pad(size_, alignment_); padding_ = pad(size_, alignment_);
alignment_ = (alignment_ + size_ + padding_) % BytesPerWord; alignment_ = (alignment_ + size_ + padding_) % 8;
} break; } break;
case Object::Array: { case Object::Array: {
@ -938,11 +938,11 @@ class MemberIterator {
offset_ += padding_; offset_ += padding_;
// fprintf(stderr, // fprintf(stderr,
// "type: %s; member: %s; size: %d; padding: %d; alignment: %d;" // "type: %s; member: %s; size: %d; padding: %d; alignment: %d;"
// " offset: %d;\n", // " offset: %d;\n",
// typeName(type), memberName(member), size_, padding_, alignment_, // typeName(type), memberName(member), size_, padding_, alignment_,
// offset_); // offset_);
return member; return member;
} }