1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
//===--- Arg.cpp - Argument Implementations -----------------------------*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Option.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang::driver;
Arg::Arg(ArgClass _Kind, const Option *_Opt, unsigned _Index)
: Kind(_Kind),
Opt(_Opt),
Index(_Index),
Claimed(false)
{
}
Arg::~Arg() { }
void Arg::dump() const {
llvm::errs() << "<";
switch (Kind) {
default:
assert(0 && "Invalid kind");
#define P(N) case N: llvm::errs() << #N; break
P(FlagClass);
P(PositionalClass);
P(JoinedClass);
P(SeparateClass);
P(CommaJoinedClass);
P(JoinedAndSeparateClass);
#undef P
}
llvm::errs() << " Opt:";
Opt->dump();
llvm::errs() << " Index:" << Index;
if (isa<CommaJoinedArg>(this) || isa<SeparateArg>(this))
llvm::errs() << " NumValues:" << getNumValues();
llvm::errs() << ">\n";
}
FlagArg::FlagArg(const Option *Opt, unsigned Index)
: Arg(FlagClass, Opt, Index) {
}
void FlagArg::render(const ArgList &Args, ArgStringList &Output) const {
Output.push_back(Args.getArgString(getIndex()));
}
const char *FlagArg::getValue(const ArgList &Args, unsigned N) const {
assert(0 && "Invalid index.");
return 0;
}
PositionalArg::PositionalArg(const Option *Opt, unsigned Index)
: Arg(PositionalClass, Opt, Index) {
}
void PositionalArg::render(const ArgList &Args, ArgStringList &Output) const {
Output.push_back(Args.getArgString(getIndex()));
}
const char *PositionalArg::getValue(const ArgList &Args, unsigned N) const {
assert(N < getNumValues() && "Invalid index.");
return Args.getArgString(getIndex());
}
JoinedArg::JoinedArg(const Option *Opt, unsigned Index)
: Arg(JoinedClass, Opt, Index) {
}
void JoinedArg::render(const ArgList &Args, ArgStringList &Output) const {
if (getOption().hasForceSeparateRender()) {
Output.push_back(getOption().getName());
Output.push_back(getValue(Args, 0));
} else {
Output.push_back(Args.getArgString(getIndex()));
}
}
const char *JoinedArg::getValue(const ArgList &Args, unsigned N) const {
assert(N < getNumValues() && "Invalid index.");
// FIXME: Avoid strlen.
return Args.getArgString(getIndex()) + strlen(getOption().getName());
}
CommaJoinedArg::CommaJoinedArg(const Option *Opt, unsigned Index,
const char *Str)
: Arg(CommaJoinedClass, Opt, Index) {
const char *Prev = Str;
for (;; ++Str) {
char c = *Str;
if (!c) {
if (Prev != Str)
Values.push_back(std::string(Prev, Str));
break;
} else if (c == ',') {
if (Prev != Str)
Values.push_back(std::string(Prev, Str));
Prev = Str + 1;
}
}
}
void CommaJoinedArg::render(const ArgList &Args, ArgStringList &Output) const {
Output.push_back(Args.getArgString(getIndex()));
}
const char *CommaJoinedArg::getValue(const ArgList &Args, unsigned N) const {
assert(N < getNumValues() && "Invalid index.");
return Values[N].c_str();
}
SeparateArg::SeparateArg(const Option *Opt, unsigned Index, unsigned _NumValues)
: Arg(SeparateClass, Opt, Index), NumValues(_NumValues) {
}
void SeparateArg::render(const ArgList &Args, ArgStringList &Output) const {
if (getOption().hasForceJoinedRender()) {
assert(getNumValues() == 1 && "Cannot force joined render with > 1 args.");
// FIXME: Avoid std::string.
std::string Joined(getOption().getName());
Joined += Args.getArgString(getIndex());
Output.push_back(Args.MakeArgString(Joined.c_str()));
} else {
Output.push_back(Args.getArgString(getIndex()));
for (unsigned i = 0; i < NumValues; ++i)
Output.push_back(Args.getArgString(getIndex() + 1 + i));
}
}
const char *SeparateArg::getValue(const ArgList &Args, unsigned N) const {
assert(N < getNumValues() && "Invalid index.");
return Args.getArgString(getIndex() + 1 + N);
}
JoinedAndSeparateArg::JoinedAndSeparateArg(const Option *Opt, unsigned Index)
: Arg(JoinedAndSeparateClass, Opt, Index) {
}
void JoinedAndSeparateArg::render(const ArgList &Args,
ArgStringList &Output) const {
Output.push_back(Args.getArgString(getIndex()));
Output.push_back(Args.getArgString(getIndex()) + 1);
}
const char *JoinedAndSeparateArg::getValue(const ArgList &Args,
unsigned N) const {
assert(N < getNumValues() && "Invalid index.");
if (N == 0)
return Args.getArgString(getIndex()) + strlen(getOption().getName());
return Args.getArgString(getIndex() + 1);
}
|
