6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-12 17:32:19 +00:00
Code Issues Projects Releases Wiki Activity

Support: Add string => unsigned mapping for DW_TAG

Browse Source 
Add `dwarf::getTag()` to translate from `StringRef` to `unsigned`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228031 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-02-03 21:16:49 +00:00
parent b3d53c6065
commit 5ff000f15e
3 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/llvm/Support/Dwarf.h
View File

@ -20,6 +20,7 @@
#ifndef LLVM_SUPPORT_DWARF_H
#define LLVM_SUPPORT_DWARF_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
@ -783,6 +784,9 @@ const char *GDBIndexEntryKindString(GDBIndexEntryKind Kind);
const char *GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage);
/// @}
/// \brief Get the tag number associated with a tag string.
unsigned getTag(StringRef TagString);
/// \brief Returns the symbolic string representing Val when used as a value
/// for attribute Attr.
const char *AttributeValueString(uint16_t Attr, unsigned Val);

8
lib/Support/Dwarf.cpp
View File

@ -12,6 +12,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Support/Dwarf.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
@ -27,6 +28,13 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
}
}
unsigned llvm::dwarf::getTag(StringRef TagString) {
return StringSwitch<unsigned>(TagString)
#define HANDLE_DW_TAG(ID, NAME) .Case("DW_TAG_" #NAME, DW_TAG_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(DW_TAG_invalid);
}
const char *llvm::dwarf::ChildrenString(unsigned Children) {
switch (Children) {
case DW_CHILDREN_no: return "DW_CHILDREN_no";

16
unittests/Support/DwarfTest.cpp
View File

@ -26,4 +26,20 @@ TEST(DwarfTest, TagStringOnInvalid) {
EXPECT_EQ(nullptr, TagString(DW_TAG_user_base));
}
TEST(DwarfTest, getTag) {
// A couple of valid tags.
EXPECT_EQ(DW_TAG_array_type, getTag("DW_TAG_array_type"));
EXPECT_EQ(DW_TAG_module, getTag("DW_TAG_module"));
// Invalid tags.
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_invalid"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_madeuptag"));
EXPECT_EQ(DW_TAG_invalid, getTag("something else"));
// Tag range markers should not be recognized.
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_lo_user"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_hi_user"));
EXPECT_EQ(DW_TAG_invalid, getTag("DW_TAG_user_base"));
}
} // end namespace