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Work around fallthrough warnings on GCC 7+.

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This commit is contained in:
Peter Johnson
2018-02-06 23:40:00 -08:00
parent b66d72f5c2
commit 0542b50f76
1 changed files with 19 additions and 18 deletions
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37
src/main/native/cpp/llvm/ConvertUTF.cpp
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@@ -272,9 +272,9 @@ ConversionResult ConvertUTF16toUTF8 (
target -= bytesToWrite; result = targetExhausted; break;
}
switch (bytesToWrite) { /* note: everything falls through. */
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 1: *--target = (UTF8)(ch | firstByteMark[bytesToWrite]);
}
target += bytesToWrite;
@@ -325,9 +325,9 @@ ConversionResult ConvertUTF32toUTF8 (
target -= bytesToWrite; result = targetExhausted; break;
}
switch (bytesToWrite) { /* note: everything falls through. */
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; /* FALLTHRU */
case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]);
}
target += bytesToWrite;
@@ -356,8 +356,8 @@ static Boolean isLegalUTF8(const UTF8 *source, int length) {
switch (length) {
default: return false;
/* Everything else falls through when "true"... */
case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; /* FALLTHRU */
case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; /* FALLTHRU */
case 2: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
switch (*source) {
@@ -368,6 +368,7 @@ static Boolean isLegalUTF8(const UTF8 *source, int length) {
case 0xF4: if (a > 0x8F) return false; break;
default: if (a < 0x80) return false;
}
/* FALLTHRU */
case 1: if (*source >= 0x80 && *source < 0xC2) return false;
}
@@ -531,11 +532,11 @@ ConversionResult ConvertUTF8toUTF16 (
* The cases all fall through. See "Note A" below.
*/
switch (extraBytesToRead) {
case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 3: ch += *source++; ch <<= 6;
case 2: ch += *source++; ch <<= 6;
case 1: ch += *source++; ch <<= 6;
case 5: ch += *source++; ch <<= 6; /* FALLTHRU */ /* remember, illegal UTF-8 */
case 4: ch += *source++; ch <<= 6; /* FALLTHRU */ /* remember, illegal UTF-8 */
case 3: ch += *source++; ch <<= 6; /* FALLTHRU */
case 2: ch += *source++; ch <<= 6; /* FALLTHRU */
case 1: ch += *source++; ch <<= 6; /* FALLTHRU */
case 0: ch += *source++;
}
ch -= offsetsFromUTF8[extraBytesToRead];
@@ -635,11 +636,11 @@ static ConversionResult ConvertUTF8toUTF32Impl(
* The cases all fall through. See "Note A" below.
*/
switch (extraBytesToRead) {
case 5: ch += *source++; ch <<= 6;
case 4: ch += *source++; ch <<= 6;
case 3: ch += *source++; ch <<= 6;
case 2: ch += *source++; ch <<= 6;
case 1: ch += *source++; ch <<= 6;
case 5: ch += *source++; ch <<= 6; /* FALLTHRU */
case 4: ch += *source++; ch <<= 6; /* FALLTHRU */
case 3: ch += *source++; ch <<= 6; /* FALLTHRU */
case 2: ch += *source++; ch <<= 6; /* FALLTHRU */
case 1: ch += *source++; ch <<= 6; /* FALLTHRU */
case 0: ch += *source++;
}
ch -= offsetsFromUTF8[extraBytesToRead];