1 //===- Arg.cpp - Argument Implementations ---------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 #include "llvm/ADT/SmallString.h"
10 #include "llvm/Config/llvm-config.h"
11 #include "llvm/Option/Arg.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/raw_ostream.h"
19 using namespace llvm::opt;
21 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const Arg *BaseArg)
22 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
25 Arg::Arg(const Option Opt, StringRef S, unsigned Index, const char *Value0,
27 : Opt(Opt), BaseArg(BaseArg), Spelling(S), Index(Index), Claimed(false),
29 Values.push_back(Value0);
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),
36 Values.push_back(Value0);
37 Values.push_back(Value1);
42 for (unsigned i = 0, e = Values.size(); i != e; ++i)
47 void Arg::print(raw_ostream& O) const {
53 O << " Index:" << Index;
56 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
58 O << "'" << Values[i] << "'";
64 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
65 LLVM_DUMP_METHOD void Arg::dump() const { print(dbgs()); }
68 std::string Arg::getAsString(const ArgList &Args) const {
70 return Alias->getAsString(Args);
73 raw_svector_ostream OS(Res);
77 for (ArgStringList::iterator
78 it = ASL.begin(), ie = ASL.end(); it != ie; ++it) {
79 if (it != ASL.begin())
84 return std::string(OS.str());
87 void Arg::renderAsInput(const ArgList &Args, ArgStringList &Output) const {
88 if (!getOption().hasNoOptAsInput()) {
93 Output.append(Values.begin(), Values.end());
96 void Arg::render(const ArgList &Args, ArgStringList &Output) const {
97 switch (getOption().getRenderStyle()) {
98 case Option::RenderValuesStyle:
99 Output.append(Values.begin(), Values.end());
102 case Option::RenderCommaJoinedStyle: {
103 SmallString<256> Res;
104 raw_svector_ostream OS(Res);
106 for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
110 Output.push_back(Args.MakeArgString(OS.str()));
114 case Option::RenderJoinedStyle:
115 Output.push_back(Args.GetOrMakeJoinedArgString(
116 getIndex(), getSpelling(), getValue(0)));
117 Output.append(Values.begin() + 1, Values.end());
120 case Option::RenderSeparateStyle:
121 Output.push_back(Args.MakeArgString(getSpelling()));
122 Output.append(Values.begin(), Values.end());