| import gdb.printing |
| class SmallStringPrinter: |
| """Print an llvm::SmallString object.""" |
| |
| def __init__(self, val): |
| self.val = val |
| |
| def to_string(self): |
| begin = self.val['BeginX'] |
| end = self.val['EndX'] |
| return begin.cast(gdb.lookup_type("char").pointer()).string(length = end - begin) |
| |
| def display_hint (self): |
| return 'string' |
| |
| class StringRefPrinter: |
| """Print an llvm::StringRef object.""" |
| |
| def __init__(self, val): |
| self.val = val |
| |
| def to_string(self): |
| return self.val['Data'].string(length = self.val['Length']) |
| |
| def display_hint (self): |
| return 'string' |
| |
| class SmallVectorPrinter: |
| """Print an llvm::SmallVector object.""" |
| |
| class _iterator: |
| def __init__(self, begin, end): |
| self.cur = begin |
| self.end = end |
| self.count = 0 |
| |
| def __iter__(self): |
| return self |
| |
| def next(self): |
| if self.cur == self.end: |
| raise StopIteration |
| count = self.count |
| self.count = self.count + 1 |
| cur = self.cur |
| self.cur = self.cur + 1 |
| return '[%d]' % count, cur.dereference() |
| |
| def __init__(self, val): |
| self.val = val |
| |
| def children(self): |
| t = self.val.type.template_argument(0).pointer() |
| begin = self.val['BeginX'].cast(t) |
| end = self.val['EndX'].cast(t) |
| return self._iterator(begin, end) |
| |
| def to_string(self): |
| t = self.val.type.template_argument(0).pointer() |
| begin = self.val['BeginX'].cast(t) |
| end = self.val['EndX'].cast(t) |
| capacity = self.val['CapacityX'].cast(t) |
| return 'llvm::SmallVector of length %d, capacity %d' % (end - begin, capacity - begin) |
| |
| def display_hint (self): |
| return 'array' |
| |
| class ArrayRefPrinter: |
| """Print an llvm::ArrayRef object.""" |
| |
| class _iterator: |
| def __init__(self, begin, end): |
| self.cur = begin |
| self.end = end |
| self.count = 0 |
| |
| def __iter__(self): |
| return self |
| |
| def next(self): |
| if self.cur == self.end: |
| raise StopIteration |
| count = self.count |
| self.count = self.count + 1 |
| cur = self.cur |
| self.cur = self.cur + 1 |
| return '[%d]' % count, cur.dereference() |
| |
| def __init__(self, val): |
| self.val = val |
| |
| def children(self): |
| data = self.val['Data'] |
| return self._iterator(data, data + self.val['Length']) |
| |
| def to_string(self): |
| return 'llvm::ArrayRef of length %d' % (self.val['Length']) |
| |
| def display_hint (self): |
| return 'array' |
| |
| pp = gdb.printing.RegexpCollectionPrettyPrinter("LLVMSupport") |
| pp.add_printer('llvm::SmallString', '^llvm::SmallString<.*>$', SmallStringPrinter) |
| pp.add_printer('llvm::StringRef', '^llvm::StringRef$', StringRefPrinter) |
| pp.add_printer('llvm::SmallVectorImpl', '^llvm::SmallVector(Impl)?<.*>$', SmallVectorPrinter) |
| pp.add_printer('llvm::ArrayRef', '^llvm::(Const)?ArrayRef<.*>$', ArrayRefPrinter) |
| gdb.printing.register_pretty_printer(gdb.current_objfile(), pp) |