1//===-- PrintfMatcher.cpp ---------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "PrintfMatcher.h"
10
11#include "src/__support/FPUtil/FPBits.h"
12#include "src/__support/macros/config.h"
13#include "src/stdio/printf_core/core_structs.h"
14
15#include "test/UnitTest/StringUtils.h"
16#include "test/UnitTest/Test.h"
17
18#include <stdint.h>
19
20namespace LIBC_NAMESPACE_DECL {
21namespace testing {
22
23using printf_core::FormatFlags;
24using printf_core::FormatSection;
25using printf_core::LengthModifier;
26
27bool FormatSectionMatcher::match(FormatSection actualValue) {
28 actual = actualValue;
29 return expected == actual;
30}
31
32namespace {
33
34#define IF_FLAG_SHOW_FLAG(flag_name) \
35 do { \
36 if ((form.flags & FormatFlags::flag_name) == FormatFlags::flag_name) \
37 tlog << "\n\t\t" << #flag_name; \
38 } while (false)
39#define CASE_LM(lm) \
40 case (LengthModifier::lm): \
41 tlog << #lm; \
42 break
43#define CASE_LM_BIT_WIDTH(lm, bw) \
44 case (LengthModifier::lm): \
45 tlog << #lm << "\n\tbit width: :" << bw; \
46 break
47
48static void display(FormatSection form) {
49 tlog << "Raw String (len " << form.raw_string.size() << "): \"";
50 for (size_t i = 0; i < form.raw_string.size(); ++i) {
51 tlog << form.raw_string[i];
52 }
53 tlog << "\"";
54 if (form.has_conv) {
55 tlog << "\n\tHas Conv\n\tFlags:";
56 IF_FLAG_SHOW_FLAG(LEFT_JUSTIFIED);
57 IF_FLAG_SHOW_FLAG(FORCE_SIGN);
58 IF_FLAG_SHOW_FLAG(SPACE_PREFIX);
59 IF_FLAG_SHOW_FLAG(ALTERNATE_FORM);
60 IF_FLAG_SHOW_FLAG(LEADING_ZEROES);
61 tlog << "\n";
62 tlog << "\tmin width: " << form.min_width << "\n";
63 tlog << "\tprecision: " << form.precision << "\n";
64 tlog << "\tlength modifier: ";
65 switch (form.length_modifier) {
66 CASE_LM(none);
67 CASE_LM(l);
68 CASE_LM(ll);
69 CASE_LM(h);
70 CASE_LM(hh);
71 CASE_LM(j);
72 CASE_LM(z);
73 CASE_LM(t);
74 CASE_LM(L);
75 CASE_LM_BIT_WIDTH(w, form.bit_width);
76 CASE_LM_BIT_WIDTH(wf, form.bit_width);
77 }
78 tlog << "\n";
79 tlog << "\tconversion name: " << form.conv_name << "\n";
80 if (form.conv_name == 'p' || form.conv_name == 'n' || form.conv_name == 's')
81 tlog << "\tpointer value: "
82 << int_to_hex<uintptr_t>(
83 reinterpret_cast<uintptr_t>(form.conv_val_ptr))
84 << "\n";
85 else if (form.conv_name != '%')
86 tlog << "\tvalue: "
87 << int_to_hex<fputil::FPBits<long double>::StorageType>(
88 form.conv_val_raw)
89 << "\n";
90 }
91}
92} // anonymous namespace
93
94void FormatSectionMatcher::explainError() {
95 tlog << "expected format section: ";
96 display(expected);
97 tlog << '\n';
98 tlog << "actual format section : ";
99 display(actual);
100 tlog << '\n';
101}
102
103} // namespace testing
104} // namespace LIBC_NAMESPACE_DECL
105

source code of libc/test/UnitTest/PrintfMatcher.cpp