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https://github.com/fmtlib/fmt.git
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Get rid of macros
This commit is contained in:
Victor Zverovich
parent
9a07973261
commit
209a1d58bf
97
fmt/format.h
97
fmt/format.h
@ -2169,55 +2169,6 @@ class BasicFormatter : private internal::FormatterBase {
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const Char *format(const Char *&format_str, const internal::Arg &arg);
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};
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// Generates a comma-separated list with results of applying f to
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// numbers 0..n-1.
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# define FMT_GEN(n, f) FMT_GEN##n(f)
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# define FMT_GEN1(f) f(0)
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# define FMT_GEN2(f) FMT_GEN1(f), f(1)
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# define FMT_GEN3(f) FMT_GEN2(f), f(2)
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# define FMT_GEN4(f) FMT_GEN3(f), f(3)
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# define FMT_GEN5(f) FMT_GEN4(f), f(4)
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# define FMT_GEN6(f) FMT_GEN5(f), f(5)
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# define FMT_GEN7(f) FMT_GEN6(f), f(6)
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# define FMT_GEN8(f) FMT_GEN7(f), f(7)
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# define FMT_GEN9(f) FMT_GEN8(f), f(8)
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# define FMT_GEN10(f) FMT_GEN9(f), f(9)
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# define FMT_GEN11(f) FMT_GEN10(f), f(10)
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# define FMT_GEN12(f) FMT_GEN11(f), f(11)
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# define FMT_GEN13(f) FMT_GEN12(f), f(12)
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# define FMT_GEN14(f) FMT_GEN13(f), f(13)
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# define FMT_GEN15(f) FMT_GEN14(f), f(14)
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# define FMT_MAKE_TEMPLATE_ARG(n) typename T##n
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# define FMT_MAKE_ARG_TYPE(n) T##n
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# define FMT_MAKE_ARG(n) const T##n &v##n
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# define FMT_ASSIGN_char(n) \
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arr[n] = fmt::internal::MakeValue< fmt::BasicFormatter<char> >(v##n)
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# define FMT_ASSIGN_wchar_t(n) \
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arr[n] = fmt::internal::MakeValue< fmt::BasicFormatter<wchar_t> >(v##n)
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// Generates a comma-separated list with results of applying f to pairs
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// (argument, index).
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#define FMT_FOR_EACH1(f, x0) f(x0, 0)
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#define FMT_FOR_EACH2(f, x0, x1) \
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FMT_FOR_EACH1(f, x0), f(x1, 1)
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#define FMT_FOR_EACH3(f, x0, x1, x2) \
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FMT_FOR_EACH2(f, x0 ,x1), f(x2, 2)
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#define FMT_FOR_EACH4(f, x0, x1, x2, x3) \
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FMT_FOR_EACH3(f, x0, x1, x2), f(x3, 3)
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#define FMT_FOR_EACH5(f, x0, x1, x2, x3, x4) \
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FMT_FOR_EACH4(f, x0, x1, x2, x3), f(x4, 4)
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#define FMT_FOR_EACH6(f, x0, x1, x2, x3, x4, x5) \
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FMT_FOR_EACH5(f, x0, x1, x2, x3, x4), f(x5, 5)
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#define FMT_FOR_EACH7(f, x0, x1, x2, x3, x4, x5, x6) \
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FMT_FOR_EACH6(f, x0, x1, x2, x3, x4, x5), f(x6, 6)
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#define FMT_FOR_EACH8(f, x0, x1, x2, x3, x4, x5, x6, x7) \
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FMT_FOR_EACH7(f, x0, x1, x2, x3, x4, x5, x6), f(x7, 7)
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#define FMT_FOR_EACH9(f, x0, x1, x2, x3, x4, x5, x6, x7, x8) \
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FMT_FOR_EACH8(f, x0, x1, x2, x3, x4, x5, x6, x7), f(x8, 8)
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#define FMT_FOR_EACH10(f, x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) \
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FMT_FOR_EACH9(f, x0, x1, x2, x3, x4, x5, x6, x7, x8), f(x9, 9)
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/**
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An error returned by an operating system or a language runtime,
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for example a file opening error.
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@ -3338,54 +3289,6 @@ void arg(WStringRef, const internal::NamedArg<Char>&) FMT_DELETED_OR_UNDEFINED;
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# pragma GCC system_header
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#endif
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// This is used to work around VC++ bugs in handling variadic macros.
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#define FMT_EXPAND(args) args
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// Returns the number of arguments.
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// Based on https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s.
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#define FMT_NARG(...) FMT_NARG_(__VA_ARGS__, FMT_RSEQ_N())
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#define FMT_NARG_(...) FMT_EXPAND(FMT_ARG_N(__VA_ARGS__))
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#define FMT_ARG_N(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N
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#define FMT_RSEQ_N() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
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#define FMT_FOR_EACH_(N, f, ...) \
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FMT_EXPAND(FMT_CONCAT(FMT_FOR_EACH, N)(f, __VA_ARGS__))
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#define FMT_FOR_EACH(f, ...) \
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FMT_EXPAND(FMT_FOR_EACH_(FMT_NARG(__VA_ARGS__), f, __VA_ARGS__))
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#define FMT_ADD_ARG_NAME(type, index) type arg##index
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#define FMT_GET_ARG_NAME(type, index) arg##index
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#define FMT_VARIADIC_(Char, ReturnType, func, call, ...) \
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template <typename... Args> \
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ReturnType func(FMT_FOR_EACH(FMT_ADD_ARG_NAME, __VA_ARGS__), \
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const Args & ... args) { \
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auto store = fmt::internal::make_format_args< fmt::BasicFormatter<Char> >(args...); \
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call(FMT_FOR_EACH(FMT_GET_ARG_NAME, __VA_ARGS__), fmt::format_args(store)); \
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}
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#define FMT_CAPTURE_ARG_(id, index) ::fmt::arg(#id, id)
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#define FMT_CAPTURE_ARG_W_(id, index) ::fmt::arg(L###id, id)
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/**
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\rst
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Convenient macro to capture the arguments' names and values into several
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``fmt::arg(name, value)``.
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**Example**::
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int x = 1, y = 2;
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print("point: ({x}, {y})", FMT_CAPTURE(x, y));
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// same as:
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// print("point: ({x}, {y})", arg("x", x), arg("y", y));
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\endrst
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*/
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#define FMT_CAPTURE(...) FMT_FOR_EACH(FMT_CAPTURE_ARG_, __VA_ARGS__)
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#define FMT_CAPTURE_W(...) FMT_FOR_EACH(FMT_CAPTURE_ARG_W_, __VA_ARGS__)
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namespace fmt {
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namespace internal {
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template <typename Char>
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@ -88,7 +88,6 @@ add_fmt_test(printf-test)
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add_fmt_test(string-test)
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add_fmt_test(time-test)
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add_fmt_test(util-test mock-allocator.h)
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add_fmt_test(macro-test)
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add_fmt_test(custom-formatter-test)
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# Enable stricter options for one test to make sure that the header is free of
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@ -606,22 +606,9 @@ TEST(FormatterTest, ManyArgs) {
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TEST(FormatterTest, NamedArg) {
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EXPECT_EQ("1/a/A", format("{_1}/{a_}/{A_}", fmt::arg("a_", 'a'),
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fmt::arg("A_", "A"), fmt::arg("_1", 1)));
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char a = 'A', b = 'B', c = 'C';
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EXPECT_EQ("BB/AA/CC", format("{1}{b}/{0}{a}/{2}{c}", FMT_CAPTURE(a, b, c)));
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EXPECT_EQ(" A", format("{a:>2}", FMT_CAPTURE(a)));
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EXPECT_THROW_MSG(format("{a+}", FMT_CAPTURE(a)), format_error,
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"missing '}' in format string");
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EXPECT_THROW_MSG(format("{a}"), format_error, "argument not found");
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EXPECT_THROW_MSG(format("{d}", FMT_CAPTURE(a, b, c)), format_error,
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"argument not found");
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EXPECT_THROW_MSG(format("{a}{}", FMT_CAPTURE(a)),
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format_error, "cannot switch from manual to automatic argument indexing");
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EXPECT_THROW_MSG(format("{}{a}", FMT_CAPTURE(a)),
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format_error, "cannot switch from automatic to manual argument indexing");
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EXPECT_EQ(" -42", format("{0:{width}}", -42, fmt::arg("width", 4)));
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EXPECT_EQ("st", format("{0:.{precision}}", "str", fmt::arg("precision", 2)));
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int n = 100;
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EXPECT_EQ(L"n=100", format(L"n={n}", FMT_CAPTURE_W(n)));
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}
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TEST(FormatterTest, AutoArgIndex) {
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@ -1,76 +0,0 @@
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/*
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Tests of variadic function emulation macros.
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Copyright (c) 2012-2014, Victor Zverovich
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <utility>
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#include <gtest/gtest.h>
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#define FMT_USE_VARIADIC_TEMPLATES 0
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#include "fmt/format.h"
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#define IDENTITY(x) x
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TEST(UtilTest, Gen) {
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int values[] = {FMT_GEN(10, IDENTITY)};
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for (int i = 0; i < 10; ++i)
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EXPECT_EQ(i, values[i]);
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}
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#define MAKE_PAIR(x, y) std::make_pair(x, y)
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TEST(UtilTest, ForEach) {
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std::pair<char, int> values[] = {
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FMT_FOR_EACH10(MAKE_PAIR, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j')
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};
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for (int i = 0; i < 10; ++i) {
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EXPECT_EQ('a' + i, values[i].first);
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EXPECT_EQ(i, values[i].second);
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}
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}
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TEST(UtilTest, NArg) {
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EXPECT_EQ(1, FMT_NARG(a));
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EXPECT_EQ(2, FMT_NARG(a, b));
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EXPECT_EQ(3, FMT_NARG(a, b, c));
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EXPECT_EQ(4, FMT_NARG(a, b, c, d));
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EXPECT_EQ(5, FMT_NARG(a, b, c, d, e));
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EXPECT_EQ(6, FMT_NARG(a, b, c, d, e, f));
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EXPECT_EQ(7, FMT_NARG(a, b, c, d, e, f, g));
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EXPECT_EQ(8, FMT_NARG(a, b, c, d, e, f, g, h));
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EXPECT_EQ(9, FMT_NARG(a, b, c, d, e, f, g, h, i));
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EXPECT_EQ(10, FMT_NARG(a, b, c, d, e, f, g, h, i, j));
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}
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int result;
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#define MAKE_TEST(func) \
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void func(const char *, const fmt::format_args &args) { \
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result = 0; \
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for (unsigned i = 0; args[i].type; ++i) \
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result += args[i].int_value; \
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}
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MAKE_TEST(test_func)
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