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