36         pc_(start),  in Decoder()
42         pc_(pc),  in Decoder()
145     TRACE("  +%d  %-20s: ", static_cast<int>(pc_ - start_),
148       byte val = *(pc_++);
157     TRACE("  +%d  %-20s: ", static_cast<int>(pc_ - start_),
160       uint16_t val = read_u16(pc_);
161       TRACE("%02x %02x = %d\n", pc_[0], pc_[1], val);
162       pc_ += 2;
170     TRACE("  +%d  %-20s: ", static_cast<int>(pc_ - start_),
173       uint32_t val = read_u32(pc_);
174       TRACE("%02x %02x %02x %02x = %u\n", pc_[0], pc_[1], pc_[2], pc_[3], val);
175       pc_ += 4;
196       TRACE("  +%d  %-20s: %d bytes\n", static_cast<int>(pc_ - start_), name,
201       pc_ += size;
203       pc_ = end_;
210     if (size < 0 || (intptr_t)pc_ > pc_overflow_value) {  in checkAvailable()
211       error(pc_, nullptr, "reading %d bytes would underflow/overflow", size);  in checkAvailable()
213     } else if (pc_ < start_ || end_ < (pc_ + size)) {  in checkAvailable()
214       error(pc_, nullptr, "expected %d bytes, fell off end", size);  in checkAvailable()
221   void error(const char* msg) { error(pc_, nullptr, "%s", msg); }  in error()
254     for (const byte* ptr = pc_; ptr < end_; ptr++) {  in traceOffEnd()
258     pc_ = end_;  in traceOffEnd()
284     pc_ = start;  in Reset()
293   bool more() const { return pc_ < end_; }  in more()
296   const byte* pc() const { return pc_; }  in pc()
297   uint32_t pc_offset() const { return static_cast<uint32_t>(pc_ - start_); }  in pc_offset()
302   const byte* pc_;  variable
364     TRACE("  +%d  %-20s: ", static_cast<int>(pc_ - start_),
368       const byte* pos = pc_;
369       const byte* end = pc_ + kMaxLength;
375       while (pc_ < end) {
376         b = *pc_++;
383       int length = static_cast<int>(pc_ - pos);
384       if (pc_ == end && (b & 0x80)) {
386         error(pc_ - 1, "varint too large");
389         error(pc_, "varint of length 0");