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Implement a very basic colored syntax highlighting for llvm-dwarfdump.

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The color scheme is the same as the one used by the colorize dwarfdump
script on Darwin.
A new --color option can be used to forcibly turn color on or off.

http://reviews.llvm.org/D6852

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225269 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl
2015-01-06 16:50:25 +00:00
parent 15914b5c22
commit aea3b23b9b
5 changed files with 112 additions and 21 deletions
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24
lib/DebugInfo/DWARFFormValue.cpp
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@@ -7,6 +7,7 @@
//
//===----------------------------------------------------------------------===//
#include "SyntaxHighlighting.h"
#include "llvm/DebugInfo/DWARFFormValue.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
@@ -19,6 +20,7 @@
#include <cassert>
using namespace llvm;
using namespace dwarf;
using namespace syntax;
namespace {
uint8_t getRefAddrSize(uint8_t AddrSize, uint16_t Version) {
@@ -423,9 +425,10 @@ DWARFFormValue::dump(raw_ostream &OS, const DWARFUnit *cu) const {
OS << format(" .debug_str[0x%8.8x] = ", (uint32_t)uvalue);
Optional<const char *> DbgStr = getAsCString(cu);
if (DbgStr.hasValue()) {
OS << '"';
OS.write_escaped(DbgStr.getValue());
OS << '"';
raw_ostream &COS = WithColor(OS, syntax::String);
COS << '"';
COS.write_escaped(DbgStr.getValue());
COS << '"';
}
break;
}
@@ -433,9 +436,10 @@ DWARFFormValue::dump(raw_ostream &OS, const DWARFUnit *cu) const {
OS << format(" indexed (%8.8x) string = ", (uint32_t)uvalue);
Optional<const char *> DbgStr = getAsCString(cu);
if (DbgStr.hasValue()) {
OS << '"';
OS.write_escaped(DbgStr.getValue());
OS << '"';
raw_ostream &COS = WithColor(OS, syntax::String);
COS << '"';
COS.write_escaped(DbgStr.getValue());
COS << '"';
}
break;
}
@@ -479,8 +483,12 @@ DWARFFormValue::dump(raw_ostream &OS, const DWARFUnit *cu) const {
break;
}
if (cu_relative_offset)
OS << format(" => {0x%8.8" PRIx64 "}", uvalue + (cu ? cu->getOffset() : 0));
if (cu_relative_offset) {
OS << " => {";
WithColor(OS, syntax::Address).get()
<< format("0x%8.8" PRIx64, uvalue + (cu ? cu->getOffset() : 0));
OS << "}";
}
}
Optional<const char *> DWARFFormValue::getAsCString(const DWARFUnit *U) const {