clang 8.0.0

InputInfo.h
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1 //===--- InputInfo.h - Input Source & Type Information ----------*- 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 #ifndef LLVM_CLANG_LIB_DRIVER_INPUTINFO_H
11 #define LLVM_CLANG_LIB_DRIVER_INPUTINFO_H
12
13 #include "clang/Driver/Action.h"
14 #include "clang/Driver/Types.h"
15 #include "llvm/Option/Arg.h"
16 #include <cassert>
17 #include <string>
18
19 namespace clang {
20 namespace driver {
21
22 /// InputInfo - Wrapper for information about an input source.
23 class InputInfo {
24 // FIXME: The distinction between filenames and inputarg here is
25 // gross; we should probably drop the idea of a "linker
26 // input". Doing so means tweaking pipelining to still create link
27 // steps when it sees linker inputs (but not treat them as
28 // arguments), and making sure that arguments get rendered
29 // correctly.
30 enum Class {
31 Nothing,
32 Filename,
33 InputArg,
34 Pipe
35 };
36
37 union {
38 const char *Filename;
39 const llvm::opt::Arg *InputArg;
40 } Data;
41 Class Kind;
42 const Action* Act;
43 types::ID Type;
44 const char *BaseInput;
45
46 static types::ID GetActionType(const Action *A) {
47 return A != nullptr ? A->getType() : types::TY_Nothing;
48 }
49
50 public:
51 InputInfo() : InputInfo(nullptr, nullptr) {}
52 InputInfo(const Action *A, const char *_BaseInput)
53 : Kind(Nothing), Act(A), Type(GetActionType(A)), BaseInput(_BaseInput) {}
54
55 InputInfo(types::ID _Type, const char *_Filename, const char *_BaseInput)
56 : Kind(Filename), Act(nullptr), Type(_Type), BaseInput(_BaseInput) {
57 Data.Filename = _Filename;
58 }
59 InputInfo(const Action *A, const char *_Filename, const char *_BaseInput)
60 : Kind(Filename), Act(A), Type(GetActionType(A)), BaseInput(_BaseInput) {
61 Data.Filename = _Filename;
62 }
63
64 InputInfo(types::ID _Type, const llvm::opt::Arg *_InputArg,
65 const char *_BaseInput)
66 : Kind(InputArg), Act(nullptr), Type(_Type), BaseInput(_BaseInput) {
67 Data.InputArg = _InputArg;
68 }
69 InputInfo(const Action *A, const llvm::opt::Arg *_InputArg,
70 const char *_BaseInput)
71 : Kind(InputArg), Act(A), Type(GetActionType(A)), BaseInput(_BaseInput) {
72 Data.InputArg = _InputArg;
73 }
74
75 bool isNothing() const { return Kind == Nothing; }
76 bool isFilename() const { return Kind == Filename; }
77 bool isInputArg() const { return Kind == InputArg; }
78 types::ID getType() const { return Type; }
79 const char *getBaseInput() const { return BaseInput; }
80 /// The action for which this InputInfo was created. May be null.
81 const Action *getAction() const { return Act; }
82 void setAction(const Action *A) { Act = A; }
83
84 const char *getFilename() const {
85 assert(isFilename() && "Invalid accessor.");
86 return Data.Filename;
87 }
88 const llvm::opt::Arg &getInputArg() const {
89 assert(isInputArg() && "Invalid accessor.");
90 return *Data.InputArg;
91 }
92
93 /// getAsString - Return a string name for this input, for
94 /// debugging.
95 std::string getAsString() const {
96 if (isFilename())
97 return std::string("\"") + getFilename() + '"';
98 else if (isInputArg())
99 return "(input arg)";
100 else
101 return "(nothing)";
102 }
103 };
104
105 } // end namespace driver
106 } // end namespace clang
107
108 #endif
clang::driver::InputInfo::InputInfo
InputInfo(types::ID _Type, const llvm::opt::Arg *_InputArg, const char *_BaseInput)
Definition: InputInfo.h:64
clang::driver::InputInfo::InputInfo
InputInfo()
Definition: InputInfo.h:51
clang::driver::InputInfo::InputArg
const llvm::opt::Arg * InputArg
Definition: InputInfo.h:39
Types.h
clang::Type
The base class of the type hierarchy.
Definition: Type.h:1407
clang::driver::InputInfo::InputInfo
InputInfo(const Action *A, const char *_Filename, const char *_BaseInput)
Definition: InputInfo.h:59
clang::driver::types::ID
ID
Definition: Types.h:22
Action.h
clang::driver::InputInfo::getFilename
const char * getFilename() const
Definition: InputInfo.h:84
clang::driver::InputInfo::getAction
const Action * getAction() const
The action for which this InputInfo was created. May be null.
Definition: InputInfo.h:81
clang::driver::InputInfo::InputInfo
InputInfo(const Action *A, const char *_BaseInput)
Definition: InputInfo.h:52
clang::driver::Action
Action - Represent an abstract compilation step to perform.
Definition: Action.h:48
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
clang::driver::Action::getType
types::ID getType() const
Definition: Action.h:141
clang::driver::InputInfo::setAction
void setAction(const Action *A)
Definition: InputInfo.h:82
clang::driver::InputInfo::getType
types::ID getType() const
Definition: InputInfo.h:78
clang::driver::InputInfo::InputInfo
InputInfo(const Action *A, const llvm::opt::Arg *_InputArg, const char *_BaseInput)
Definition: InputInfo.h:69
clang::driver::InputInfo::getAsString
std::string getAsString() const
getAsString - Return a string name for this input, for debugging.
Definition: InputInfo.h:95
clang::driver::InputInfo::InputInfo
InputInfo(types::ID _Type, const char *_Filename, const char *_BaseInput)
Definition: InputInfo.h:55
clang::driver::InputInfo::isInputArg
bool isInputArg() const
Definition: InputInfo.h:77
Kind
Kind
Definition: ChrootChecker.cpp:29
clang::driver::InputInfo::getInputArg
const llvm::opt::Arg & getInputArg() const
Definition: InputInfo.h:88
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:22
clang::driver::InputInfo::isNothing
bool isNothing() const
Definition: InputInfo.h:75
clang::driver::InputInfo::getBaseInput
const char * getBaseInput() const
Definition: InputInfo.h:79
clang::driver::InputInfo::isFilename
bool isFilename() const
Definition: InputInfo.h:76
clang::driver::InputInfo::Filename
const char * Filename
Definition: InputInfo.h:38