1//===- Arg.cpp - Argument Implementations ---------------------------------===//
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#include "llvm/Option/Arg.h"
10#include "llvm/ADT/SmallString.h"
11#include "llvm/Config/llvm-config.h"
12#include "llvm/Option/ArgList.h"
13#include "llvm/Option/Option.h"
14#include "llvm/Support/Compiler.h"
15#include "llvm/Support/Debug.h"
16#include "llvm/Support/InterleavedRange.h"
17#include "llvm/Support/raw_ostream.h"
18
19using namespace llvm;
20using namespace llvm::opt;
21
22Arg::Arg(const Option Opt, StringRef S, unsigned Index, const Arg *BaseArg)
23 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
24 IgnoredTargetSpecific(false), OwnsValues(false) {}
25
26Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
27 const Arg *BaseArg)
28 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
29 IgnoredTargetSpecific(false), OwnsValues(false) {
30 Values.push_back(Elt: Value0);
31}
32
33Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
34 const char *Value1, const Arg *BaseArg)
35 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
36 IgnoredTargetSpecific(false), OwnsValues(false) {
37 Values.push_back(Elt: Value0);
38 Values.push_back(Elt: Value1);
39}
40
41Arg::~Arg() {
42 if (OwnsValues) {
43 for (const char *V : Values)
44 delete[] V;
45 }
46}
47
48void Arg::print(raw_ostream& O) const {
49 O << "<Opt:";
50 Opt.print(O, /*AddNewLine=*/false);
51
52 O << " Index:" << Index;
53
54 O << " Values: [";
55 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
56 if (i) O << ", ";
57 O << "'" << Values[i] << "'";
58 }
59
60 O << "]>\n";
61}
62
63#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
64LLVM_DUMP_METHOD void Arg::dump() const { print(dbgs()); }
65#endif
66
67std::string Arg::getAsString(const ArgList &Args) const {
68 if (Alias)
69 return Alias->getAsString(Args);
70
71 SmallString<256> Res;
72 raw_svector_ostream OS(Res);
73
74 ArgStringList ASL;
75 render(Args, Output&: ASL);
76 OS << llvm::interleaved(R: ASL, Separator: " ");
77 return std::string(OS.str());
78}
79
80void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
81 if (!getOption().hasNoOptAsInput()) {
82 render(Args, Output);
83 return;
84 }
85
86 Output.append(in_start: Values.begin(), in_end: Values.end());
87}
88
89void Arg::render(const ArgList &Args, ArgStringList &Output) const {
90 switch (getOption().getRenderStyle()) {
91 case Option::RenderValuesStyle:
92 Output.append(in_start: Values.begin(), in_end: Values.end());
93 break;
94
95 case Option::RenderCommaJoinedStyle: {
96 SmallString<256> Res;
97 raw_svector_ostream OS(Res);
98 OS << getSpelling() << llvm::interleaved(R: getValues(), Separator: ",");
99 Output.push_back(Elt: Args.MakeArgString(Str: OS.str()));
100 break;
101 }
102
103 case Option::RenderJoinedStyle:
104 Output.push_back(Elt: Args.GetOrMakeJoinedArgString(
105 Index: getIndex(), LHS: getSpelling(), RHS: getValue(N: 0)));
106 Output.append(in_start: Values.begin() + 1, in_end: Values.end());
107 break;
108
109 case Option::RenderSeparateStyle:
110 Output.push_back(Elt: Args.MakeArgString(Str: getSpelling()));
111 Output.append(in_start: Values.begin(), in_end: Values.end());
112 break;
113 }
114}
115