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"
18 #include "llvm/Support/raw_ostream.h"
19 #include <cstdlib>
20
21 namespace llvm {
22
23 SourceMgr SrcMgr;
24 unsigned ErrorsPrinted = 0;
25
PrintMessage(ArrayRef<SMLoc> Loc,SourceMgr::DiagKind Kind,const Twine & Msg)26 static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
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
PrintWarning(ArrayRef<SMLoc> WarningLoc,const Twine & Msg)42 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
43 PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
44 }
45
PrintWarning(const char * Loc,const Twine & Msg)46 void PrintWarning(const char *Loc, const Twine &Msg) {
47 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg);
48 }
49
PrintWarning(const Twine & Msg)50 void PrintWarning(const Twine &Msg) {
51 errs() << "warning:" << Msg << "\n";
52 }
53
PrintError(ArrayRef<SMLoc> ErrorLoc,const Twine & Msg)54 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
55 PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
56 }
57
PrintError(const char * Loc,const Twine & Msg)58 void PrintError(const char *Loc, const Twine &Msg) {
59 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg);
60 }
61
PrintError(const Twine & Msg)62 void PrintError(const Twine &Msg) {
63 errs() << "error:" << Msg << "\n";
64 }
65
PrintFatalError(const Twine & Msg)66 void PrintFatalError(const Twine &Msg) {
67 PrintError(Msg);
68 // The following call runs the file cleanup handlers.
69 sys::RunInterruptHandlers();
70 std::exit(1);
71 }
72
PrintFatalError(ArrayRef<SMLoc> ErrorLoc,const Twine & Msg)73 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
74 PrintError(ErrorLoc, Msg);
75 // The following call runs the file cleanup handlers.
76 sys::RunInterruptHandlers();
77 std::exit(1);
78 }
79
80 } // end namespace llvm
81