#!/bin/sh
set -eu
base="${TMPDIR-/tmp}/mcpu-cpp-dm-$$"
mkdir -p "$base"
trap 'rm -rf "$base"' EXIT HUP INT TERM

"$MCPU_CPP" --no-config -dMP < /dev/null > "$base/macros"

test -s "$base/macros"
LC_ALL=C sort -c "$base/macros"
grep '^#define _ARCH_MCPU 1$' "$base/macros" >/dev/null
grep '^#define __MCPU_CPP_VERSION__ "1\.0\.3"$' "$base/macros" >/dev/null
grep '^#define __MCPU_MACHINE_REGISTER_WIDTH__ 64$' "$base/macros" >/dev/null
grep '^#define __MCPU_REAL_IO_LIMIT__ [0-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_MATH_FN_LIMIT__ [0-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_BYTE_ORDER__ __ORDER_\(LITTLE\|BIG\)_ENDIAN__$' "$base/macros" >/dev/null
grep '^#define __MCPU_WORD_ORDER__ __ORDER_\(LITTLE\|BIG\)_ENDIAN__$' "$base/macros" >/dev/null
grep '^#define __BYTE_ORDER__ __MCPU_BYTE_ORDER__$' "$base/macros" >/dev/null
grep '^#define __MCPU_INT_MAX_WIDTH__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_REAL_MAX_WIDTH__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_COMPLEX_MAX_WIDTH__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __REGISTER_PREFIX__$' "$base/macros" >/dev/null
grep '^#define __USER_LABEL_PREFIX__$' "$base/macros" >/dev/null
grep '^#define __MCPU_SIZE_TYPE__ uint[0-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SIZE_WIDTH__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SIZEOF_SIZE__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SIZE_MAX__ 0x[0-9a-f][0-9a-f]*$' "$base/macros" >/dev/null
grep '^#define __PTRDIFF_TYPE__ int64$' "$base/macros" >/dev/null
grep '^#define __PTRDIFF_WIDTH__ 64$' "$base/macros" >/dev/null
grep '^#define __PTRDIFF_MAX__ 0x7fffffffffffffff$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_PTRDIFF__ 8$' "$base/macros" >/dev/null
grep '^#define __INTPTR_TYPE__ int64$' "$base/macros" >/dev/null
grep '^#define __INTPTR_WIDTH__ 64$' "$base/macros" >/dev/null
grep '^#define __INTPTR_MAX__ 0x7fffffffffffffff$' "$base/macros" >/dev/null
grep '^#define __MCPU_SSIZE_TYPE__ int[0-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SSIZE_WIDTH__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SIZEOF_SSIZE__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __MCPU_SSIZE_MAX__ 0x[0-9a-f][0-9a-f]*$' "$base/macros" >/dev/null
grep '^#define __UINTPTR_TYPE__ uint64$' "$base/macros" >/dev/null
grep '^#define __UINTPTR_WIDTH__ 64$' "$base/macros" >/dev/null
grep '^#define __UINTPTR_MAX__ 0xffffffffffffffff$' "$base/macros" >/dev/null
grep '^#define __CHAR8_TYPE__ char8$' "$base/macros" >/dev/null
grep '^#define __CHAR16_TYPE__ char16$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_CHAR8__ 1$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_CHAR16__ 2$' "$base/macros" >/dev/null
grep '^#define __INT128_DECIMAL_DIG__ 39$' "$base/macros" >/dev/null
grep '^#define __UINT128_DECIMAL_DIG__ 39$' "$base/macros" >/dev/null
grep '^#define __REAL128_DECIMAL_DIG__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __REAL128_MANT_DIG__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_REAL128_EXP__ 4$' "$base/macros" >/dev/null
grep '^#define __REAL128_MAX_STRLEN__ 60$' "$base/macros" >/dev/null
grep '^#define __REAL128_MAX__ [0-9][0-9.]*e+[0-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __INT1024_TYPE__ int1024$' "$base/macros" >/dev/null
grep '^#define __INT1024_WIDTH__ 1024$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_INT1024__ 128$' "$base/macros" >/dev/null
grep '^#define __INT1024_DECIMAL_DIG__ 308$' "$base/macros" >/dev/null
grep '^#define __UINT1024_DECIMAL_DIG__ 309$' "$base/macros" >/dev/null
grep '^#define __INT65536_TYPE__ int65536$' "$base/macros" >/dev/null
grep '^#define __INT65536_WIDTH__ 65536$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_INT65536__ 8192$' "$base/macros" >/dev/null
grep '^#define __REAL1024_TYPE__ real1024$' "$base/macros" >/dev/null
grep '^#define __REAL1024_WIDTH__ 1024$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_REAL1024__ 128$' "$base/macros" >/dev/null
grep '^#define __REAL1024_DECIMAL_DIG__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __REAL1024_MANT_DIG__ [1-9][0-9]*$' "$base/macros" >/dev/null
grep '^#define __COMPLEX128_TYPE__ complex128$' "$base/macros" >/dev/null
grep '^#define __COMPLEX128_WIDTH__ 128$' "$base/macros" >/dev/null
grep '^#define __SIZEOF_COMPLEX128__ 32$' "$base/macros" >/dev/null
real_limit=`sed -n 's/^#define __MCPU_REAL_IO_LIMIT__ \([0-9][0-9]*\)$/\1/p' "$base/macros"`
test -n "$real_limit"
real_size=`expr "$real_limit" / 8`
complex_size=`expr "$real_limit" / 4`
grep "^#define __REAL${real_limit}_TYPE__ real${real_limit}$" "$base/macros" >/dev/null
grep "^#define __REAL${real_limit}_WIDTH__ ${real_limit}$" "$base/macros" >/dev/null
grep "^#define __SIZEOF_REAL${real_limit}__ ${real_size}$" "$base/macros" >/dev/null
grep "^#define __SIZEOF_REAL${real_limit}_EXP__ [1-9][0-9]*$" "$base/macros" >/dev/null
grep "^#define __REAL${real_limit}_MAX_STRLEN__ [1-9][0-9]*$" "$base/macros" >/dev/null
grep "^#define __REAL${real_limit}_DECIMAL_DIG__ [1-9][0-9]*$" "$base/macros" >/dev/null
grep "^#define __REAL${real_limit}_MANT_DIG__ [1-9][0-9]*$" "$base/macros" >/dev/null
grep "^#define __COMPLEX${real_limit}_TYPE__ complex${real_limit}$" "$base/macros" >/dev/null
grep "^#define __COMPLEX${real_limit}_WIDTH__ ${real_limit}$" "$base/macros" >/dev/null
grep "^#define __SIZEOF_COMPLEX${real_limit}__ ${complex_size}$" "$base/macros" >/dev/null

for name in \
  __VERSION__ __MPU_MACHINE_REGISTER_WIDTH__ __MPU_REAL_IO_LIMIT__ \
  __MPU_MATH_FN_LIMIT__ __INT128_MIN__ __INT1024_MAX__ \
  __REAL128_DIG__ __REAL1024_MAX__ __FLOAT_WORD_ORDER__ \
  __SIZE_TYPE__ __SIZE_WIDTH__ __SIZE_MAX__ __SIZEOF_SIZE_T__ \
  __MCPU_SIZEOF_SSIZE_T__ __SIZEOF_CHAR8_T__ __SIZEOF_CHAR16_T__ \
  __SIZEOF_PTRDIFF_T__; do
  if grep "^#define $name\>" "$base/macros" >/dev/null; then exit 1; fi
done

if grep '^#define __FILE__' "$base/macros" >/dev/null; then exit 1; fi
if grep '^#define __LINE__' "$base/macros" >/dev/null; then exit 1; fi
if grep '^#define __DATE__' "$base/macros" >/dev/null; then exit 1; fi
if grep '^#define __TIME__' "$base/macros" >/dev/null; then exit 1; fi
if grep '^#define __BASE_FILE__' "$base/macros" >/dev/null; then exit 1; fi
if grep '^#define __INCLUDE_LEVEL__' "$base/macros" >/dev/null; then exit 1; fi