| //===-- ScanfMatcher.cpp ----------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ScanfMatcher.h" |
| |
| #include "src/__support/FPUtil/FPBits.h" |
| #include "src/stdio/scanf_core/core_structs.h" |
| |
| #include "test/UnitTest/StringUtils.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include <stdint.h> |
| |
| using __llvm_libc::testing::tlog; |
| |
| namespace __llvm_libc { |
| namespace scanf_core { |
| namespace testing { |
| |
| bool FormatSectionMatcher::match(FormatSection actualValue) { |
| actual = actualValue; |
| return expected == actual; |
| } |
| |
| namespace { |
| |
| #define IF_FLAG_SHOW_FLAG(flag_name) \ |
| do { \ |
| if ((form.flags & FormatFlags::flag_name) == FormatFlags::flag_name) \ |
| tlog << "\n\t\t" << #flag_name; \ |
| } while (false) |
| #define CASE_LM(lm) \ |
| case (LengthModifier::lm): \ |
| tlog << #lm; \ |
| break |
| |
| void display(FormatSection form) { |
| tlog << "Raw String (len " << form.raw_string.size() << "): \""; |
| for (size_t i = 0; i < form.raw_string.size(); ++i) { |
| tlog << form.raw_string[i]; |
| } |
| tlog << "\""; |
| if (form.has_conv) { |
| tlog << "\n\tHas Conv\n\tFlags:"; |
| IF_FLAG_SHOW_FLAG(NO_WRITE); |
| IF_FLAG_SHOW_FLAG(ALLOCATE); |
| tlog << "\n"; |
| tlog << "\tmax width: " << form.max_width << "\n"; |
| tlog << "\tlength modifier: "; |
| switch (form.length_modifier) { |
| CASE_LM(NONE); |
| CASE_LM(l); |
| CASE_LM(ll); |
| CASE_LM(h); |
| CASE_LM(hh); |
| CASE_LM(j); |
| CASE_LM(z); |
| CASE_LM(t); |
| CASE_LM(L); |
| } |
| tlog << "\n"; |
| // If the pointer is used (NO_WRITE is not set and the conversion isn't %). |
| if (((form.flags & FormatFlags::NO_WRITE) == 0) && |
| (form.conv_name != '%')) { |
| tlog << "\tpointer value: " |
| << int_to_hex<uintptr_t>( |
| reinterpret_cast<uintptr_t>(form.output_ptr)) |
| << "\n"; |
| } |
| |
| tlog << "\tconversion name: " << form.conv_name << "\n"; |
| |
| if (form.conv_name == '[') { |
| tlog << "\t\t"; |
| for (size_t i = 0; i < 256 /* char max */; ++i) { |
| if (form.scan_set.test(i)) { |
| tlog << static_cast<char>(i); |
| } |
| } |
| tlog << "\n\t]\n"; |
| } |
| } |
| } |
| } // anonymous namespace |
| |
| void FormatSectionMatcher::explainError() { |
| tlog << "expected format section: "; |
| display(expected); |
| tlog << '\n'; |
| tlog << "actual format section : "; |
| display(actual); |
| tlog << '\n'; |
| } |
| |
| } // namespace testing |
| } // namespace scanf_core |
| } // namespace __llvm_libc |