Enable -Wimplicit-fallthrough.
Falling through switch cases on a clang build must now annotate the fallthrough
with the FALLTHROUGH_INTENDED macro.
Bug: 17731372
Change-Id: I836451cd5f96b01d1ababdbf9eef677fe8fa8324
diff --git a/runtime/dex_instruction.cc b/runtime/dex_instruction.cc
index 0a71d62..7e775f4 100644
--- a/runtime/dex_instruction.cc
+++ b/runtime/dex_instruction.cc
@@ -111,7 +111,7 @@
if ((*insns & 0xFF) == 0) {
return 1; // NOP.
} else {
- LOG(FATAL) << "Unreachable: " << DumpString(NULL);
+ LOG(FATAL) << "Unreachable: " << DumpString(nullptr);
return 0;
}
}
@@ -161,21 +161,23 @@
case k21c: {
switch (Opcode()) {
case CONST_STRING:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t string_idx = VRegB_21c();
os << StringPrintf("const-string v%d, %s // string@%d", VRegA_21c(),
PrintableString(file->StringDataByIdx(string_idx)).c_str(), string_idx);
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case CHECK_CAST:
case CONST_CLASS:
case NEW_INSTANCE:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyType(type_idx, *file)
<< " // type@" << type_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case SGET:
case SGET_WIDE:
case SGET_OBJECT:
@@ -183,12 +185,13 @@
case SGET_BYTE:
case SGET_CHAR:
case SGET_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyField(field_idx, *file, true)
<< " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case SPUT:
case SPUT_WIDE:
case SPUT_OBJECT:
@@ -196,12 +199,13 @@
case SPUT_BYTE:
case SPUT_CHAR:
case SPUT_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegB_21c();
os << opcode << " v" << static_cast<int>(VRegA_21c()) << ", " << PrettyField(field_idx, *file, true)
<< " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s v%d, thing@%d", opcode, VRegA_21c(), VRegB_21c());
break;
@@ -221,20 +225,22 @@
case IGET_BYTE:
case IGET_CHAR:
case IGET_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyField(field_idx, *file, true) << " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IGET_QUICK:
case IGET_OBJECT_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< "// offset@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IPUT:
case IPUT_WIDE:
case IPUT_OBJECT:
@@ -242,34 +248,38 @@
case IPUT_BYTE:
case IPUT_CHAR:
case IPUT_SHORT:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyField(field_idx, *file, true) << " // field@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case IPUT_QUICK:
case IPUT_OBJECT_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t field_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< "// offset@" << field_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INSTANCE_OF:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyType(type_idx, *file) << " // type@" << type_idx;
break;
}
+ FALLTHROUGH_INTENDED;
case NEW_ARRAY:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t type_idx = VRegC_22c();
os << opcode << " v" << static_cast<int>(VRegA_22c()) << ", v" << static_cast<int>(VRegB_22c()) << ", "
<< PrettyType(type_idx, *file) << " // type@" << type_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s v%d, v%d, thing@%d", opcode, VRegA_22c(), VRegB_22c(), VRegC_22c());
break;
@@ -283,7 +293,7 @@
case k31c:
if (Opcode() == CONST_STRING_JUMBO) {
uint32_t string_idx = VRegB_31c();
- if (file != NULL) {
+ if (file != nullptr) {
os << StringPrintf("%s v%d, %s // string@%d", opcode, VRegA_31c(),
PrintableString(file->StringDataByIdx(string_idx)).c_str(),
string_idx);
@@ -317,7 +327,7 @@
case INVOKE_DIRECT:
case INVOKE_STATIC:
case INVOKE_INTERFACE:
- if (file != NULL) {
+ if (file != nullptr) {
os << opcode << " {";
uint32_t method_idx = VRegB_35c();
for (size_t i = 0; i < VRegA_35c(); ++i) {
@@ -328,9 +338,10 @@
}
os << "}, " << PrettyMethod(method_idx, *file) << " // method@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INVOKE_VIRTUAL_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
os << opcode << " {";
uint32_t method_idx = VRegB_35c();
for (size_t i = 0; i < VRegA_35c(); ++i) {
@@ -341,7 +352,8 @@
}
os << "}, // vtable@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << opcode << " {v" << arg[0] << ", v" << arg[1] << ", v" << arg[2]
<< ", v" << arg[3] << ", v" << arg[4] << "}, thing@" << VRegB_35c();
@@ -356,19 +368,21 @@
case INVOKE_DIRECT_RANGE:
case INVOKE_STATIC_RANGE:
case INVOKE_INTERFACE_RANGE:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t method_idx = VRegB_3rc();
os << StringPrintf("%s, {v%d .. v%d}, ", opcode, VRegC_3rc(), (VRegC_3rc() + VRegA_3rc() - 1))
<< PrettyMethod(method_idx, *file) << " // method@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
case INVOKE_VIRTUAL_RANGE_QUICK:
- if (file != NULL) {
+ if (file != nullptr) {
uint32_t method_idx = VRegB_3rc();
os << StringPrintf("%s, {v%d .. v%d}, ", opcode, VRegC_3rc(), (VRegC_3rc() + VRegA_3rc() - 1))
<< "// vtable@" << method_idx;
break;
- } // else fall-through
+ }
+ FALLTHROUGH_INTENDED;
default:
os << StringPrintf("%s, {v%d .. v%d}, thing@%d", opcode, VRegC_3rc(),
(VRegC_3rc() + VRegA_3rc() - 1), VRegB_3rc());