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-rw-r--r--tools/debugserver/source/StdStringExtractor.cpp401
1 files changed, 0 insertions, 401 deletions
diff --git a/tools/debugserver/source/StdStringExtractor.cpp b/tools/debugserver/source/StdStringExtractor.cpp
deleted file mode 100644
index 3b400b2a89d2..000000000000
--- a/tools/debugserver/source/StdStringExtractor.cpp
+++ /dev/null
@@ -1,401 +0,0 @@
-//===-- StdStringExtractor.cpp ----------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "StdStringExtractor.h"
-
-#include <stdlib.h>
-
-
-static inline int xdigit_to_sint(char ch) {
- if (ch >= 'a' && ch <= 'f')
- return 10 + ch - 'a';
- if (ch >= 'A' && ch <= 'F')
- return 10 + ch - 'A';
- if (ch >= '0' && ch <= '9')
- return ch - '0';
- return -1;
-}
-
-//----------------------------------------------------------------------
-// StdStringExtractor constructor
-//----------------------------------------------------------------------
-StdStringExtractor::StdStringExtractor() : m_packet(), m_index(0) {}
-
-StdStringExtractor::StdStringExtractor(const char *packet_cstr)
- : m_packet(), m_index(0) {
- if (packet_cstr)
- m_packet.assign(packet_cstr);
-}
-
-//----------------------------------------------------------------------
-// StdStringExtractor copy constructor
-//----------------------------------------------------------------------
-StdStringExtractor::StdStringExtractor(const StdStringExtractor &rhs)
- : m_packet(rhs.m_packet), m_index(rhs.m_index) {}
-
-//----------------------------------------------------------------------
-// StdStringExtractor assignment operator
-//----------------------------------------------------------------------
-const StdStringExtractor &StdStringExtractor::
-operator=(const StdStringExtractor &rhs) {
- if (this != &rhs) {
- m_packet = rhs.m_packet;
- m_index = rhs.m_index;
- }
- return *this;
-}
-
-//----------------------------------------------------------------------
-// Destructor
-//----------------------------------------------------------------------
-StdStringExtractor::~StdStringExtractor() {}
-
-char StdStringExtractor::GetChar(char fail_value) {
- if (m_index < m_packet.size()) {
- char ch = m_packet[m_index];
- ++m_index;
- return ch;
- }
- m_index = UINT64_MAX;
- return fail_value;
-}
-
-//----------------------------------------------------------------------
-// If a pair of valid hex digits exist at the head of the
-// StdStringExtractor they are decoded into an unsigned byte and returned
-// by this function
-//
-// If there is not a pair of valid hex digits at the head of the
-// StdStringExtractor, it is left unchanged and -1 is returned
-//----------------------------------------------------------------------
-int StdStringExtractor::DecodeHexU8() {
- SkipSpaces();
- if (GetBytesLeft() < 2) {
- return -1;
- }
- const int hi_nibble = xdigit_to_sint(m_packet[m_index]);
- const int lo_nibble = xdigit_to_sint(m_packet[m_index + 1]);
- if (hi_nibble == -1 || lo_nibble == -1) {
- return -1;
- }
- m_index += 2;
- return (uint8_t)((hi_nibble << 4) + lo_nibble);
-}
-
-//----------------------------------------------------------------------
-// Extract an unsigned character from two hex ASCII chars in the packet
-// string, or return fail_value on failure
-//----------------------------------------------------------------------
-uint8_t StdStringExtractor::GetHexU8(uint8_t fail_value, bool set_eof_on_fail) {
- // On success, fail_value will be overwritten with the next
- // character in the stream
- GetHexU8Ex(fail_value, set_eof_on_fail);
- return fail_value;
-}
-
-bool StdStringExtractor::GetHexU8Ex(uint8_t &ch, bool set_eof_on_fail) {
- int byte = DecodeHexU8();
- if (byte == -1) {
- if (set_eof_on_fail || m_index >= m_packet.size())
- m_index = UINT64_MAX;
- // ch should not be changed in case of failure
- return false;
- }
- ch = (uint8_t)byte;
- return true;
-}
-
-uint32_t StdStringExtractor::GetU32(uint32_t fail_value, int base) {
- if (m_index < m_packet.size()) {
- char *end = nullptr;
- const char *start = m_packet.c_str();
- const char *cstr = start + m_index;
- uint32_t result = static_cast<uint32_t>(::strtoul(cstr, &end, base));
-
- if (end && end != cstr) {
- m_index = end - start;
- return result;
- }
- }
- return fail_value;
-}
-
-int32_t StdStringExtractor::GetS32(int32_t fail_value, int base) {
- if (m_index < m_packet.size()) {
- char *end = nullptr;
- const char *start = m_packet.c_str();
- const char *cstr = start + m_index;
- int32_t result = static_cast<int32_t>(::strtol(cstr, &end, base));
-
- if (end && end != cstr) {
- m_index = end - start;
- return result;
- }
- }
- return fail_value;
-}
-
-uint64_t StdStringExtractor::GetU64(uint64_t fail_value, int base) {
- if (m_index < m_packet.size()) {
- char *end = nullptr;
- const char *start = m_packet.c_str();
- const char *cstr = start + m_index;
- uint64_t result = ::strtoull(cstr, &end, base);
-
- if (end && end != cstr) {
- m_index = end - start;
- return result;
- }
- }
- return fail_value;
-}
-
-int64_t StdStringExtractor::GetS64(int64_t fail_value, int base) {
- if (m_index < m_packet.size()) {
- char *end = nullptr;
- const char *start = m_packet.c_str();
- const char *cstr = start + m_index;
- int64_t result = ::strtoll(cstr, &end, base);
-
- if (end && end != cstr) {
- m_index = end - start;
- return result;
- }
- }
- return fail_value;
-}
-
-uint32_t StdStringExtractor::GetHexMaxU32(bool little_endian,
- uint32_t fail_value) {
- uint32_t result = 0;
- uint32_t nibble_count = 0;
-
- SkipSpaces();
- if (little_endian) {
- uint32_t shift_amount = 0;
- while (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- // Make sure we don't exceed the size of a uint32_t...
- if (nibble_count >= (sizeof(uint32_t) * 2)) {
- m_index = UINT64_MAX;
- return fail_value;
- }
-
- uint8_t nibble_lo;
- uint8_t nibble_hi = xdigit_to_sint(m_packet[m_index]);
- ++m_index;
- if (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- nibble_lo = xdigit_to_sint(m_packet[m_index]);
- ++m_index;
- result |= ((uint32_t)nibble_hi << (shift_amount + 4));
- result |= ((uint32_t)nibble_lo << shift_amount);
- nibble_count += 2;
- shift_amount += 8;
- } else {
- result |= ((uint32_t)nibble_hi << shift_amount);
- nibble_count += 1;
- shift_amount += 4;
- }
- }
- } else {
- while (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- // Make sure we don't exceed the size of a uint32_t...
- if (nibble_count >= (sizeof(uint32_t) * 2)) {
- m_index = UINT64_MAX;
- return fail_value;
- }
-
- uint8_t nibble = xdigit_to_sint(m_packet[m_index]);
- // Big Endian
- result <<= 4;
- result |= nibble;
-
- ++m_index;
- ++nibble_count;
- }
- }
- return result;
-}
-
-uint64_t StdStringExtractor::GetHexMaxU64(bool little_endian,
- uint64_t fail_value) {
- uint64_t result = 0;
- uint32_t nibble_count = 0;
-
- SkipSpaces();
- if (little_endian) {
- uint32_t shift_amount = 0;
- while (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- // Make sure we don't exceed the size of a uint64_t...
- if (nibble_count >= (sizeof(uint64_t) * 2)) {
- m_index = UINT64_MAX;
- return fail_value;
- }
-
- uint8_t nibble_lo;
- uint8_t nibble_hi = xdigit_to_sint(m_packet[m_index]);
- ++m_index;
- if (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- nibble_lo = xdigit_to_sint(m_packet[m_index]);
- ++m_index;
- result |= ((uint64_t)nibble_hi << (shift_amount + 4));
- result |= ((uint64_t)nibble_lo << shift_amount);
- nibble_count += 2;
- shift_amount += 8;
- } else {
- result |= ((uint64_t)nibble_hi << shift_amount);
- nibble_count += 1;
- shift_amount += 4;
- }
- }
- } else {
- while (m_index < m_packet.size() && ::isxdigit(m_packet[m_index])) {
- // Make sure we don't exceed the size of a uint64_t...
- if (nibble_count >= (sizeof(uint64_t) * 2)) {
- m_index = UINT64_MAX;
- return fail_value;
- }
-
- uint8_t nibble = xdigit_to_sint(m_packet[m_index]);
- // Big Endian
- result <<= 4;
- result |= nibble;
-
- ++m_index;
- ++nibble_count;
- }
- }
- return result;
-}
-
-size_t StdStringExtractor::GetHexBytes(void *dst_void, size_t dst_len,
- uint8_t fail_fill_value) {
- uint8_t *dst = (uint8_t *)dst_void;
- size_t bytes_extracted = 0;
- while (bytes_extracted < dst_len && GetBytesLeft()) {
- dst[bytes_extracted] = GetHexU8(fail_fill_value);
- if (IsGood())
- ++bytes_extracted;
- else
- break;
- }
-
- for (size_t i = bytes_extracted; i < dst_len; ++i)
- dst[i] = fail_fill_value;
-
- return bytes_extracted;
-}
-
-//----------------------------------------------------------------------
-// Decodes all valid hex encoded bytes at the head of the
-// StdStringExtractor, limited by dst_len.
-//
-// Returns the number of bytes successfully decoded
-//----------------------------------------------------------------------
-size_t StdStringExtractor::GetHexBytesAvail(void *dst_void, size_t dst_len) {
- uint8_t *dst = (uint8_t *)dst_void;
- size_t bytes_extracted = 0;
- while (bytes_extracted < dst_len) {
- int decode = DecodeHexU8();
- if (decode == -1) {
- break;
- }
- dst[bytes_extracted++] = (uint8_t)decode;
- }
- return bytes_extracted;
-}
-
-// Consume ASCII hex nibble character pairs until we have decoded byte_size
-// bytes of data.
-
-uint64_t StdStringExtractor::GetHexWithFixedSize(uint32_t byte_size,
- bool little_endian,
- uint64_t fail_value) {
- if (byte_size <= 8 && GetBytesLeft() >= byte_size * 2) {
- uint64_t result = 0;
- uint32_t i;
- if (little_endian) {
- // Little Endian
- uint32_t shift_amount;
- for (i = 0, shift_amount = 0; i < byte_size && IsGood();
- ++i, shift_amount += 8) {
- result |= ((uint64_t)GetHexU8() << shift_amount);
- }
- } else {
- // Big Endian
- for (i = 0; i < byte_size && IsGood(); ++i) {
- result <<= 8;
- result |= GetHexU8();
- }
- }
- }
- m_index = UINT64_MAX;
- return fail_value;
-}
-
-size_t StdStringExtractor::GetHexByteString(std::string &str) {
- str.clear();
- str.reserve(GetBytesLeft() / 2);
- char ch;
- while ((ch = GetHexU8()) != '\0')
- str.append(1, ch);
- return str.size();
-}
-
-size_t StdStringExtractor::GetHexByteStringFixedLength(std::string &str,
- uint32_t nibble_length) {
- str.clear();
-
- uint32_t nibble_count = 0;
- for (const char *pch = Peek();
- (nibble_count < nibble_length) && (pch != nullptr);
- str.append(1, GetHexU8(0, false)), pch = Peek(), nibble_count += 2) {
- }
-
- return str.size();
-}
-
-size_t StdStringExtractor::GetHexByteStringTerminatedBy(std::string &str,
- char terminator) {
- str.clear();
- char ch;
- while ((ch = GetHexU8(0, false)) != '\0')
- str.append(1, ch);
- if (Peek() && *Peek() == terminator)
- return str.size();
-
- str.clear();
- return str.size();
-}
-
-bool StdStringExtractor::GetNameColonValue(std::string &name,
- std::string &value) {
- // Read something in the form of NNNN:VVVV; where NNNN is any character
- // that is not a colon, followed by a ':' character, then a value (one or
- // more ';' chars), followed by a ';'
- if (m_index < m_packet.size()) {
- const size_t colon_idx = m_packet.find(':', m_index);
- if (colon_idx != std::string::npos) {
- const size_t semicolon_idx = m_packet.find(';', colon_idx);
- if (semicolon_idx != std::string::npos) {
- name.assign(m_packet, m_index, colon_idx - m_index);
- value.assign(m_packet, colon_idx + 1, semicolon_idx - (colon_idx + 1));
- m_index = semicolon_idx + 1;
- return true;
- }
- }
- }
- m_index = UINT64_MAX;
- return false;
-}
-
-void StdStringExtractor::SkipSpaces() {
- const size_t n = m_packet.size();
- while (m_index < n && isspace(m_packet[m_index]))
- ++m_index;
-}
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