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
|
//===--- Main.inc - The LLVM Compiler Driver --------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tool provides a single point of access to the LLVM
// compilation tools. It has many options. To discover the options
// supported please refer to the tools' manual page or run the tool
// with the --help option.
//
// This
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
#define LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
#include "llvm/CompilerDriver/CompilationGraph.h"
#include "llvm/CompilerDriver/Error.h"
#include "llvm/CompilerDriver/Plugin.h"
#include "llvm/System/Path.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/PluginLoader.h"
#include <iostream>
#include <stdexcept>
#include <string>
namespace cl = llvm::cl;
namespace sys = llvm::sys;
using namespace llvmc;
// Built-in command-line options.
// External linkage here is intentional.
cl::list<std::string> InputFilenames(cl::Positional, cl::desc("<input file>"),
cl::ZeroOrMore);
cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"),
cl::value_desc("file"), cl::Prefix);
cl::list<std::string> Languages("x",
cl::desc("Specify the language of the following input files"),
cl::ZeroOrMore);
cl::opt<bool> DryRun("dry-run",
cl::desc("Only pretend to run commands"));
cl::opt<bool> VerboseMode("v",
cl::desc("Enable verbose mode"));
cl::opt<bool> CheckGraph("check-graph",
cl::desc("Check the compilation graph for errors"),
cl::Hidden);
cl::opt<bool> WriteGraph("write-graph",
cl::desc("Write compilation-graph.dot file"),
cl::Hidden);
cl::opt<bool> ViewGraph("view-graph",
cl::desc("Show compilation graph in GhostView"),
cl::Hidden);
cl::opt<bool> SaveTemps("save-temps",
cl::desc("Keep temporary files"),
cl::Hidden);
namespace {
/// BuildTargets - A small wrapper for CompilationGraph::Build.
int BuildTargets(CompilationGraph& graph, const LanguageMap& langMap) {
int ret;
const sys::Path& tempDir = SaveTemps
? sys::Path("")
: sys::Path(sys::Path::GetTemporaryDirectory());
try {
ret = graph.Build(tempDir, langMap);
}
catch(...) {
tempDir.eraseFromDisk(true);
throw;
}
if (!SaveTemps)
tempDir.eraseFromDisk(true);
return ret;
}
}
int main(int argc, char** argv) {
try {
LanguageMap langMap;
CompilationGraph graph;
cl::ParseCommandLineOptions
(argc, argv, "LLVM Compiler Driver (Work In Progress)", true);
PluginLoader Plugins;
Plugins.PopulateLanguageMap(langMap);
Plugins.PopulateCompilationGraph(graph);
if (CheckGraph) {
return graph.Check();
}
if (ViewGraph) {
graph.viewGraph();
if (!WriteGraph)
return 0;
}
if (WriteGraph) {
graph.writeGraph();
return 0;
}
if (InputFilenames.empty()) {
throw std::runtime_error("no input files");
}
return BuildTargets(graph, langMap);
}
catch(llvmc::error_code& ec) {
return ec.code();
}
catch(const std::exception& ex) {
std::cerr << argv[0] << ": " << ex.what() << '\n';
}
catch(...) {
std::cerr << argv[0] << ": unknown error!\n";
}
return 1;
}
#endif // LLVM_INCLUDE_COMPILER_DRIVER_MAIN_INC
|
