LLVM  9.0.0svn
Error.cpp
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1 //===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file contains error handling helper routines to pretty-print diagnostic
10 // messages from tblgen.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "llvm/TableGen/Error.h"
15 #include "llvm/ADT/Twine.h"
16 #include "llvm/Support/Signals.h"
17 #include "llvm/Support/WithColor.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) { WithColor::warning() << Msg << "\n"; }
55 
56 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
57  PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
58 }
59 
60 void PrintError(const char *Loc, const Twine &Msg) {
62 }
63 
64 void PrintError(const Twine &Msg) { WithColor::error() << Msg << "\n"; }
65 
66 void PrintFatalError(const Twine &Msg) {
67  PrintError(Msg);
68  // The following call runs the file cleanup handlers.
70  std::exit(1);
71 }
72 
73 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
74  PrintError(ErrorLoc, Msg);
75  // The following call runs the file cleanup handlers.
77  std::exit(1);
78 }
79 
80 } // end namespace llvm
const T & front() const
front - Get the first element.
Definition: ArrayRef.h:151
This class represents lattice values for constants.
Definition: AllocatorList.h:23
static raw_ostream & error()
Convenience method for printing "error: " to stderr.
Definition: WithColor.cpp:60
SourceMgr SrcMgr
Definition: Error.cpp:23
static raw_ostream & warning()
Convenience method for printing "warning: " to stderr.
Definition: WithColor.cpp:62
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:242
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
Definition: Twine.h:80
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:32
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:148
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:66
static SMLoc getFromPointer(const char *Ptr)
Definition: SMLoc.h:36
Represents a location in source code.
Definition: SMLoc.h:23
bool empty() const
empty - Check if the array is empty.
Definition: ArrayRef.h:143
void PrintNote(ArrayRef< SMLoc > NoteLoc, const Twine &Msg)
Definition: Error.cpp:42
void PrintError(ArrayRef< SMLoc > ErrorLoc, const Twine &Msg)
Definition: Error.cpp:56