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 #include "llvm/Support/Debug.h"
17
18 using namespace llvm;
19 using namespace llvm::opt;
20
Arg(const Option Opt,StringRef S,unsigned Index,const Arg * BaseArg)21 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const Arg *BaseArg)
22 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
23 OwnsValues(false) {}
24
Arg(const Option Opt,StringRef S,unsigned Index,const char * Value0,const Arg * BaseArg)25 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
26 const Arg *BaseArg)
27 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
28 OwnsValues(false) {
29 Values.push_back(Value0);
30 }
31
Arg(const Option Opt,StringRef S,unsigned Index,const char * Value0,const char * Value1,const Arg * BaseArg)32 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
33 const char *Value1, const Arg *BaseArg)
34 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
35 OwnsValues(false) {
36 Values.push_back(Value0);
37 Values.push_back(Value1);
38 }
39
~Arg()40 Arg::~Arg() {
41 if (OwnsValues) {
42 for (unsigned i = 0, e = Values.size(); i != e; ++i)
43 delete[] Values[i];
44 }
45 }
46
print(raw_ostream & O) const47 void Arg::print(raw_ostream& O) const {
48 O << "<";
49
50 O << " Opt:";
51 Opt.print(O);
52
53 O << " Index:" << Index;
54
55 O << " Values: [";
56 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
57 if (i) O << ", ";
58 O << "'" << Values[i] << "'";
59 }
60
61 O << "]>\n";
62 }
63
dump() const64 LLVM_DUMP_METHOD void Arg::dump() const { print(dbgs()); }
65
getAsString(const ArgList & Args) const66 std::string Arg::getAsString(const ArgList &Args) const {
67 SmallString<256> Res;
68 llvm::raw_svector_ostream OS(Res);
69
70 ArgStringList ASL;
71 render(Args, ASL);
72 for (ArgStringList::iterator
73 it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
74 if (it != ASL.begin())
75 OS << ' ';
76 OS << *it;
77 }
78
79 return OS.str();
80 }
81
renderAsInput(const ArgList & Args,ArgStringList & Output) const82 void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
83 if (!getOption().hasNoOptAsInput()) {
84 render(Args, Output);
85 return;
86 }
87
88 Output.append(Values.begin(), Values.end());
89 }
90
render(const ArgList & Args,ArgStringList & Output) const91 void Arg::render(const ArgList &Args, ArgStringList &Output) const {
92 switch (getOption().getRenderStyle()) {
93 case Option::RenderValuesStyle:
94 Output.append(Values.begin(), Values.end());
95 break;
96
97 case Option::RenderCommaJoinedStyle: {
98 SmallString<256> Res;
99 llvm::raw_svector_ostream OS(Res);
100 OS << getSpelling();
101 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
102 if (i) OS << ',';
103 OS << getValue(i);
104 }
105 Output.push_back(Args.MakeArgString(OS.str()));
106 break;
107 }
108
109 case Option::RenderJoinedStyle:
110 Output.push_back(Args.GetOrMakeJoinedArgString(
111 getIndex(), getSpelling(), getValue(0)));
112 Output.append(Values.begin() + 1, Values.end());
113 break;
114
115 case Option::RenderSeparateStyle:
116 Output.push_back(Args.MakeArgString(getSpelling()));
117 Output.append(Values.begin(), Values.end());
118 break;
119 }
120 }
121