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[lldb][NFC] Use StringRef in ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize

This commit is contained in:
Raphael Isemann 2019-12-25 18:23:09 +01:00
parent 2498d88259
commit caf460d979
3 changed files with 43 additions and 49 deletions
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6
lldb/include/lldb/Symbol/ClangASTContext.h
View File

@ -155,9 +155,9 @@ public:
static lldb::BasicType GetBasicTypeEnumeration(ConstString name);
CompilerType GetBuiltinTypeForDWARFEncodingAndBitSize(const char *type_name,
uint32_t dw_ate,
uint32_t bit_size);
CompilerType
GetBuiltinTypeForDWARFEncodingAndBitSize(llvm::StringRef type_name,
uint32_t dw_ate, uint32_t bit_size);
CompilerType GetCStringType(bool is_const);

4
lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
View File

@ -598,7 +598,7 @@ DWARFASTParserClang::ParseTypeModifier(const SymbolContext &sc,
case DW_TAG_base_type:
resolve_state = Type::ResolveState::Full;
clang_type = m_ast.GetBuiltinTypeForDWARFEncodingAndBitSize(
attrs.name.GetCString(), attrs.encoding,
attrs.name.GetStringRef(), attrs.encoding,
attrs.byte_size.getValueOr(0) * 8);
break;
@ -809,7 +809,7 @@ TypeSP DWARFASTParserClang::ParseEnum(const SymbolContext &sc,
if (!enumerator_clang_type) {
if (attrs.byte_size) {
enumerator_clang_type = m_ast.GetBuiltinTypeForDWARFEncodingAndBitSize(
NULL, DW_ATE_signed, *attrs.byte_size * 8);
"", DW_ATE_signed, *attrs.byte_size * 8);
} else {
enumerator_clang_type = m_ast.GetBasicType(eBasicTypeInt);
}

82
lldb/source/Symbol/ClangASTContext.cpp
View File

@ -907,11 +907,9 @@ CompilerType ClangASTContext::GetBasicType(lldb::BasicType basic_type) {
}
CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
const char *type_name, uint32_t dw_ate, uint32_t bit_size) {
llvm::StringRef type_name, uint32_t dw_ate, uint32_t bit_size) {
ASTContext &ast = getASTContext();
#define streq(a, b) strcmp(a, b) == 0
switch (dw_ate) {
default:
break;
@ -934,16 +932,13 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
case DW_ATE_lo_user:
// This has been seen to mean DW_AT_complex_integer
if (type_name) {
if (::strstr(type_name, "complex")) {
CompilerType complex_int_clang_type =
GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed,
bit_size / 2);
return CompilerType(
this,
ast.getComplexType(ClangUtil::GetQualType(complex_int_clang_type))
.getAsOpaquePtr());
}
if (type_name.contains("complex")) {
CompilerType complex_int_clang_type =
GetBuiltinTypeForDWARFEncodingAndBitSize("int", DW_ATE_signed,
bit_size / 2);
return CompilerType(this, ast.getComplexType(ClangUtil::GetQualType(
complex_int_clang_type))
.getAsOpaquePtr());
}
break;
@ -966,13 +961,13 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_float:
if (streq(type_name, "float") &&
if (type_name == "float" &&
QualTypeMatchesBitSize(bit_size, ast, ast.FloatTy))
return CompilerType(this, ast.FloatTy.getAsOpaquePtr());
if (streq(type_name, "double") &&
if (type_name == "double" &&
QualTypeMatchesBitSize(bit_size, ast, ast.DoubleTy))
return CompilerType(this, ast.DoubleTy.getAsOpaquePtr());
if (streq(type_name, "long double") &&
if (type_name == "long double" &&
QualTypeMatchesBitSize(bit_size, ast, ast.LongDoubleTy))
return CompilerType(this, ast.LongDoubleTy.getAsOpaquePtr());
// Fall back to not requiring a name match
@ -987,31 +982,31 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_signed:
if (type_name) {
if (streq(type_name, "wchar_t") &&
if (!type_name.empty()) {
if (type_name == "wchar_t" &&
QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy) &&
(getTargetInfo() &&
TargetInfo::isTypeSigned(getTargetInfo()->getWCharType())))
return CompilerType(this, ast.WCharTy.getAsOpaquePtr());
if (streq(type_name, "void") &&
if (type_name == "void" &&
QualTypeMatchesBitSize(bit_size, ast, ast.VoidTy))
return CompilerType(this, ast.VoidTy.getAsOpaquePtr());
if (strstr(type_name, "long long") &&
if (type_name.contains("long long") &&
QualTypeMatchesBitSize(bit_size, ast, ast.LongLongTy))
return CompilerType(this, ast.LongLongTy.getAsOpaquePtr());
if (strstr(type_name, "long") &&
if (type_name.contains("long") &&
QualTypeMatchesBitSize(bit_size, ast, ast.LongTy))
return CompilerType(this, ast.LongTy.getAsOpaquePtr());
if (strstr(type_name, "short") &&
if (type_name.contains("short") &&
QualTypeMatchesBitSize(bit_size, ast, ast.ShortTy))
return CompilerType(this, ast.ShortTy.getAsOpaquePtr());
if (strstr(type_name, "char")) {
if (type_name.contains("char")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy))
return CompilerType(this, ast.CharTy.getAsOpaquePtr());
if (QualTypeMatchesBitSize(bit_size, ast, ast.SignedCharTy))
return CompilerType(this, ast.SignedCharTy.getAsOpaquePtr());
}
if (strstr(type_name, "int")) {
if (type_name.contains("int")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.IntTy))
return CompilerType(this, ast.IntTy.getAsOpaquePtr());
if (QualTypeMatchesBitSize(bit_size, ast, ast.Int128Ty))
@ -1034,8 +1029,7 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_signed_char:
if (ast.getLangOpts().CharIsSigned && type_name &&
streq(type_name, "char")) {
if (ast.getLangOpts().CharIsSigned && type_name == "char") {
if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy))
return CompilerType(this, ast.CharTy.getAsOpaquePtr());
}
@ -1044,27 +1038,27 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_unsigned:
if (type_name) {
if (streq(type_name, "wchar_t")) {
if (!type_name.empty()) {
if (type_name == "wchar_t") {
if (QualTypeMatchesBitSize(bit_size, ast, ast.WCharTy)) {
if (!(getTargetInfo() &&
TargetInfo::isTypeSigned(getTargetInfo()->getWCharType())))
return CompilerType(this, ast.WCharTy.getAsOpaquePtr());
}
}
if (strstr(type_name, "long long")) {
if (type_name.contains("long long")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongLongTy))
return CompilerType(this, ast.UnsignedLongLongTy.getAsOpaquePtr());
} else if (strstr(type_name, "long")) {
} else if (type_name.contains("long")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedLongTy))
return CompilerType(this, ast.UnsignedLongTy.getAsOpaquePtr());
} else if (strstr(type_name, "short")) {
} else if (type_name.contains("short")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedShortTy))
return CompilerType(this, ast.UnsignedShortTy.getAsOpaquePtr());
} else if (strstr(type_name, "char")) {
} else if (type_name.contains("char")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedCharTy))
return CompilerType(this, ast.UnsignedCharTy.getAsOpaquePtr());
} else if (strstr(type_name, "int")) {
} else if (type_name.contains("int")) {
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedIntTy))
return CompilerType(this, ast.UnsignedIntTy.getAsOpaquePtr());
if (QualTypeMatchesBitSize(bit_size, ast, ast.UnsignedInt128Ty))
@ -1087,8 +1081,7 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_unsigned_char:
if (!ast.getLangOpts().CharIsSigned && type_name &&
streq(type_name, "char")) {
if (!ast.getLangOpts().CharIsSigned && type_name == "char") {
if (QualTypeMatchesBitSize(bit_size, ast, ast.CharTy))
return CompilerType(this, ast.CharTy.getAsOpaquePtr());
}
@ -1102,23 +1095,24 @@ CompilerType ClangASTContext::GetBuiltinTypeForDWARFEncodingAndBitSize(
break;
case DW_ATE_UTF:
if (type_name) {
if (streq(type_name, "char16_t"))
if (!type_name.empty()) {
if (type_name == "char16_t")
return CompilerType(this, ast.Char16Ty.getAsOpaquePtr());
if (streq(type_name, "char32_t"))
if (type_name == "char32_t")
return CompilerType(this, ast.Char32Ty.getAsOpaquePtr());
if (streq(type_name, "char8_t"))
if (type_name == "char8_t")
return CompilerType(this, ast.Char8Ty.getAsOpaquePtr());
}
break;
}
// This assert should fire for anything that we don't catch above so we know
// to fix any issues we run into.
if (type_name) {
Host::SystemLog(Host::eSystemLogError, "error: need to add support for "
"DW_TAG_base_type '%s' encoded with "
"DW_ATE = 0x%x, bit_size = %u\n",
type_name, dw_ate, bit_size);
if (!type_name.empty()) {
std::string type_name_str = type_name.str();
Host::SystemLog(Host::eSystemLogError,
"error: need to add support for DW_TAG_base_type '%s' "
"encoded with DW_ATE = 0x%x, bit_size = %u\n",
type_name_str.c_str(), dw_ate, bit_size);
} else {
Host::SystemLog(Host::eSystemLogError, "error: need to add support for "
"DW_TAG_base_type encoded with "