1 //===--- Arg.cpp - Argument Implementations -------------------------------===//
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 #include "llvm/Option/Arg.h"
11 #include "llvm/ADT/SmallString.h"
12 #include "llvm/ADT/Twine.h"
13 #include "llvm/Option/ArgList.h"
14 #include "llvm/Option/Option.h"
15 #include "llvm/Support/raw_ostream.h"
16
17 using namespace llvm;
18 using namespace llvm::opt;
19
Arg(const Option Opt,StringRef S,unsigned Index,const Arg * BaseArg)20 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const Arg *BaseArg)
21 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
22 OwnsValues(false) {}
23
Arg(const Option Opt,StringRef S,unsigned Index,const char * Value0,const Arg * BaseArg)24 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
25 const Arg *BaseArg)
26 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
27 OwnsValues(false) {
28 Values.push_back(Value0);
29 }
30
Arg(const Option Opt,StringRef S,unsigned Index,const char * Value0,const char * Value1,const Arg * BaseArg)31 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
32 const char *Value1, const Arg *BaseArg)
33 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
34 OwnsValues(false) {
35 Values.push_back(Value0);
36 Values.push_back(Value1);
37 }
38
~Arg()39 Arg::~Arg() {
40 if (OwnsValues) {
41 for (unsigned i = 0, e = Values.size(); i != e; ++i)
42 delete[] Values[i];
43 }
44 }
45
dump() const46 void Arg::dump() const {
47 llvm::errs() << "<";
48
49 llvm::errs() << " Opt:";
50 Opt.dump();
51
52 llvm::errs() << " Index:" << Index;
53
54 llvm::errs() << " Values: [";
55 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
56 if (i) llvm::errs() << ", ";
57 llvm::errs() << "'" << Values[i] << "'";
58 }
59
60 llvm::errs() << "]>\n";
61 }
62
getAsString(const ArgList & Args) const63 std::string Arg::getAsString(const ArgList &Args) const {
64 SmallString<256> Res;
65 llvm::raw_svector_ostream OS(Res);
66
67 ArgStringList ASL;
68 render(Args, ASL);
69 for (ArgStringList::iterator
70 it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
71 if (it != ASL.begin())
72 OS << ' ';
73 OS << *it;
74 }
75
76 return OS.str();
77 }
78
renderAsInput(const ArgList & Args,ArgStringList & Output) const79 void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
80 if (!getOption().hasNoOptAsInput()) {
81 render(Args, Output);
82 return;
83 }
84
85 Output.append(Values.begin(), Values.end());
86 }
87
render(const ArgList & Args,ArgStringList & Output) const88 void Arg::render(const ArgList &Args, ArgStringList &Output) const {
89 switch (getOption().getRenderStyle()) {
90 case Option::RenderValuesStyle:
91 Output.append(Values.begin(), Values.end());
92 break;
93
94 case Option::RenderCommaJoinedStyle: {
95 SmallString<256> Res;
96 llvm::raw_svector_ostream OS(Res);
97 OS << getSpelling();
98 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
99 if (i) OS << ',';
100 OS << getValue(i);
101 }
102 Output.push_back(Args.MakeArgString(OS.str()));
103 break;
104 }
105
106 case Option::RenderJoinedStyle:
107 Output.push_back(Args.GetOrMakeJoinedArgString(
108 getIndex(), getSpelling(), getValue(0)));
109 Output.append(Values.begin() + 1, Values.end());
110 break;
111
112 case Option::RenderSeparateStyle:
113 Output.push_back(Args.MakeArgString(getSpelling()));
114 Output.append(Values.begin(), Values.end());
115 break;
116 }
117 }
118