DiagnosticInfo.cpp revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338 
1//===- llvm/Support/DiagnosticInfo.cpp - Diagnostic Definitions -*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the different classes involved in low level diagnostics.
11//
12// Diagnostics reporting is still done as part of the LLVMContext.
13//===----------------------------------------------------------------------===//
14
15#include "llvm/ADT/Twine.h"
16#include "llvm/IR/Constants.h"
17#include "llvm/IR/DiagnosticInfo.h"
18#include "llvm/IR/DiagnosticPrinter.h"
19#include "llvm/IR/Function.h"
20#include "llvm/IR/Instruction.h"
21#include "llvm/IR/Metadata.h"
22#include "llvm/Support/Atomic.h"
23#include <string>
24
25using namespace llvm;
26
27int llvm::getNextAvailablePluginDiagnosticKind() {
28  static sys::cas_flag PluginKindID = DK_FirstPluginKind;
29  return (int)sys::AtomicIncrement(&PluginKindID);
30}
31
32DiagnosticInfoInlineAsm::DiagnosticInfoInlineAsm(const Instruction &I,
33                                                 const Twine &MsgStr,
34                                                 DiagnosticSeverity Severity)
35    : DiagnosticInfo(DK_InlineAsm, Severity), LocCookie(0), MsgStr(MsgStr),
36      Instr(&I) {
37  if (const MDNode *SrcLoc = I.getMetadata("srcloc")) {
38    if (SrcLoc->getNumOperands() != 0)
39      if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
40        LocCookie = CI->getZExtValue();
41  }
42}
43
44void DiagnosticInfoInlineAsm::print(DiagnosticPrinter &DP) const {
45  DP << getMsgStr();
46  if (getLocCookie())
47    DP << " at line " << getLocCookie();
48}
49
50void DiagnosticInfoStackSize::print(DiagnosticPrinter &DP) const {
51  DP << "stack size limit exceeded (" << getStackSize() << ") in "
52     << getFunction();
53}
54
55void DiagnosticInfoDebugMetadataVersion::print(DiagnosticPrinter &DP) const {
56  DP << "ignoring debug info with an invalid version (" << getMetadataVersion()
57     << ") in " << getModule();
58}
59
60void DiagnosticInfoSampleProfile::print(DiagnosticPrinter &DP) const {
61  if (getFileName() && getLineNum() > 0)
62    DP << getFileName() << ":" << getLineNum() << ": ";
63  else if (getFileName())
64    DP << getFileName() << ": ";
65  DP << getMsg();
66}
67