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
166
167
168
169
170
171
172
173
174
175
|
//===-- GraphWriter.cpp - Implements GraphWriter support routines ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements misc. GraphWriter support routines.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/GraphWriter.h"
#include "llvm/System/Path.h"
#include "llvm/System/Program.h"
#include "llvm/Config/config.h"
using namespace llvm;
std::string llvm::DOT::EscapeString(const std::string &Label) {
std::string Str(Label);
for (unsigned i = 0; i != Str.length(); ++i)
switch (Str[i]) {
case '\n':
Str.insert(Str.begin()+i, '\\'); // Escape character...
++i;
Str[i] = 'n';
break;
case '\t':
Str.insert(Str.begin()+i, ' '); // Convert to two spaces
++i;
Str[i] = ' ';
break;
case '\\':
if (i+1 != Str.length())
switch (Str[i+1]) {
case 'l': continue; // don't disturb \l
case '|': case '{': case '}':
Str.erase(Str.begin()+i); continue;
default: break;
}
case '{': case '}':
case '<': case '>':
case '|': case '"':
Str.insert(Str.begin()+i, '\\'); // Escape character...
++i; // don't infinite loop
break;
}
return Str;
}
void llvm::DisplayGraph(const sys::Path &Filename, bool wait,
GraphProgram::Name program) {
std::string ErrMsg;
#if HAVE_GRAPHVIZ
sys::Path Graphviz(LLVM_PATH_GRAPHVIZ);
std::vector<const char*> args;
args.push_back(Graphviz.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
errs() << "Running 'Graphviz' program... ";
if (sys::Program::ExecuteAndWait(Graphviz, &args[0],0,0,0,0,&ErrMsg))
errs() << "Error viewing graph " << Filename.str() << ": " << ErrMsg
<< "\n";
else
Filename.eraseFromDisk();
#elif (HAVE_GV && (HAVE_DOT || HAVE_FDP || HAVE_NEATO || \
HAVE_TWOPI || HAVE_CIRCO))
sys::Path PSFilename = Filename;
PSFilename.appendSuffix("ps");
sys::Path prog;
// Set default grapher
#if HAVE_CIRCO
prog = sys::Path(LLVM_PATH_CIRCO);
#endif
#if HAVE_TWOPI
prog = sys::Path(LLVM_PATH_TWOPI);
#endif
#if HAVE_NEATO
prog = sys::Path(LLVM_PATH_NEATO);
#endif
#if HAVE_FDP
prog = sys::Path(LLVM_PATH_FDP);
#endif
#if HAVE_DOT
prog = sys::Path(LLVM_PATH_DOT);
#endif
// Find which program the user wants
#if HAVE_DOT
if (program == GraphProgram::DOT)
prog = sys::Path(LLVM_PATH_DOT);
#endif
#if (HAVE_FDP)
if (program == GraphProgram::FDP)
prog = sys::Path(LLVM_PATH_FDP);
#endif
#if (HAVE_NEATO)
if (program == GraphProgram::NEATO)
prog = sys::Path(LLVM_PATH_NEATO);
#endif
#if (HAVE_TWOPI)
if (program == GraphProgram::TWOPI)
prog = sys::Path(LLVM_PATH_TWOPI);
#endif
#if (HAVE_CIRCO)
if (program == GraphProgram::CIRCO)
prog = sys::Path(LLVM_PATH_CIRCO);
#endif
std::vector<const char*> args;
args.push_back(prog.c_str());
args.push_back("-Tps");
args.push_back("-Nfontname=Courier");
args.push_back("-Gsize=7.5,10");
args.push_back(Filename.c_str());
args.push_back("-o");
args.push_back(PSFilename.c_str());
args.push_back(0);
errs() << "Running '" << prog.str() << "' program... ";
if (sys::Program::ExecuteAndWait(prog, &args[0], 0, 0, 0, 0, &ErrMsg)) {
errs() << "Error viewing graph " << Filename.str() << ": '"
<< ErrMsg << "\n";
} else {
errs() << " done. \n";
sys::Path gv(LLVM_PATH_GV);
args.clear();
args.push_back(gv.c_str());
args.push_back(PSFilename.c_str());
args.push_back("-spartan");
args.push_back(0);
ErrMsg.clear();
if (wait) {
if (sys::Program::ExecuteAndWait(gv, &args[0],0,0,0,0,&ErrMsg))
errs() << "Error viewing graph: " << ErrMsg << "\n";
Filename.eraseFromDisk();
PSFilename.eraseFromDisk();
}
else {
sys::Program::ExecuteNoWait(gv, &args[0],0,0,0,&ErrMsg);
errs() << "Remember to erase graph files: " << Filename.str() << " "
<< PSFilename.str() << "\n";
}
}
#elif HAVE_DOTTY
sys::Path dotty(LLVM_PATH_DOTTY);
std::vector<const char*> args;
args.push_back(dotty.c_str());
args.push_back(Filename.c_str());
args.push_back(0);
errs() << "Running 'dotty' program... ";
if (sys::Program::ExecuteAndWait(dotty, &args[0],0,0,0,0,&ErrMsg)) {
errs() << "Error viewing graph " << Filename.str() << ": "
<< ErrMsg << "\n";
} else {
#ifdef __MINGW32__ // Dotty spawns another app and doesn't wait until it returns
return;
#endif
Filename.eraseFromDisk();
}
#endif
}
|
