LLVM  6.0.0svn
Error.cpp
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1 //===- Error.cpp - tblgen error handling helper routines --------*- 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 contains error handling helper routines to pretty-print diagnostic
11 // messages from tblgen.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm/TableGen/Error.h"
16 #include "llvm/ADT/Twine.h"
17 #include "llvm/Support/Signals.h"
19 #include <cstdlib>
20 
21 namespace llvm {
22 
24 unsigned ErrorsPrinted = 0;
25 
27  const Twine &Msg) {
28  // Count the total number of errors printed.
29  // This is used to exit with an error code if there were any errors.
30  if (Kind == SourceMgr::DK_Error)
31  ++ErrorsPrinted;
32 
33  SMLoc NullLoc;
34  if (Loc.empty())
35  Loc = NullLoc;
36  SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
37  for (unsigned i = 1; i < Loc.size(); ++i)
38  SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
39  "instantiated from multiclass");
40 }
41 
42 void PrintNote(ArrayRef<SMLoc> NoteLoc, const Twine &Msg) {
43  PrintMessage(NoteLoc, SourceMgr::DK_Note, Msg);
44 }
45 
46 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
47  PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
48 }
49 
50 void PrintWarning(const char *Loc, const Twine &Msg) {
52 }
53 
54 void PrintWarning(const Twine &Msg) {
55  errs() << "warning:" << Msg << "\n";
56 }
57 
58 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
59  PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
60 }
61 
62 void PrintError(const char *Loc, const Twine &Msg) {
64 }
65 
66 void PrintError(const Twine &Msg) {
67  errs() << "error:" << Msg << "\n";
68 }
69 
70 void PrintFatalError(const Twine &Msg) {
71  PrintError(Msg);
72  // The following call runs the file cleanup handlers.
74  std::exit(1);
75 }
76 
77 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
78  PrintError(ErrorLoc, Msg);
79  // The following call runs the file cleanup handlers.
81  std::exit(1);
82 }
83 
84 } // end namespace llvm
const T & front() const
front - Get the first element.
Definition: ArrayRef.h:152
raw_ostream & errs()
This returns a reference to a raw_ostream for standard error.
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
SourceMgr SrcMgr
Definition: Error.cpp:23
unsigned ErrorsPrinted
Definition: Error.cpp:24
void PrintMessage(raw_ostream &OS, SMLoc Loc, DiagKind Kind, const Twine &Msg, ArrayRef< SMRange > Ranges=None, ArrayRef< SMFixIt > FixIts=None, bool ShowColors=true) const
Emit a message about the specified location with the specified string.
Definition: SourceMgr.cpp:225
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:81
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:33
static void PrintMessage(ArrayRef< SMLoc > Loc, SourceMgr::DiagKind Kind, const Twine &Msg)
Definition: Error.cpp:26
size_t size() const
size - Get the array size.
Definition: ArrayRef.h:149
void RunInterruptHandlers()
This function runs all the registered interrupt handlers, including the removal of files registered b...
void PrintWarning(ArrayRef< SMLoc > WarningLoc, const Twine &Msg)
Definition: Error.cpp:46
This owns the files read by a parser, handles include stacks, and handles diagnostic wrangling...
Definition: SourceMgr.h:41
LLVM_ATTRIBUTE_NORETURN void PrintFatalError(const Twine &Msg)
Definition: Error.cpp:70
static SMLoc getFromPointer(const char *Ptr)
Definition: SMLoc.h:37
const unsigned Kind
Represents a location in source code.
Definition: SMLoc.h:24
bool empty() const
empty - Check if the array is empty.
Definition: ArrayRef.h:144
void PrintNote(ArrayRef< SMLoc > NoteLoc, const Twine &Msg)
Definition: Error.cpp:42
void PrintError(ArrayRef< SMLoc > ErrorLoc, const Twine &Msg)
Definition: Error.cpp:58