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

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