Ninja
Main Page
Namespaces
Classes
Files
File List
File Members
msvc_helper.h
Go to the documentation of this file.
1
// Copyright 2011 Google Inc. All Rights Reserved.
2
//
3
// Licensed under the Apache License, Version 2.0 (the "License");
4
// you may not use this file except in compliance with the License.
5
// You may obtain a copy of the License at
6
//
7
// http://www.apache.org/licenses/LICENSE-2.0
8
//
9
// Unless required by applicable law or agreed to in writing, software
10
// distributed under the License is distributed on an "AS IS" BASIS,
11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
// See the License for the specific language governing permissions and
13
// limitations under the License.
14
15
#include <string>
16
#include <set>
17
#include <vector>
18
using namespace
std;
19
20
string
EscapeForDepfile
(
const
string
& path);
21
22
/// Visual Studio's cl.exe requires some massaging to work with Ninja;
23
/// for example, it emits include information on stderr in a funny
24
/// format when building with /showIncludes. This class parses this
25
/// output.
26
struct
CLParser
{
27
/// Parse a line of cl.exe output and extract /showIncludes info.
28
/// If a dependency is extracted, returns a nonempty string.
29
/// Exposed for testing.
30
static
string
FilterShowIncludes(
const
string
& line);
31
32
/// Return true if a mentioned include file is a system path.
33
/// Filtering these out reduces dependency information considerably.
34
static
bool
IsSystemInclude(
string
path);
35
36
/// Parse a line of cl.exe output and return true if it looks like
37
/// it's printing an input filename. This is a heuristic but it appears
38
/// to be the best we can do.
39
/// Exposed for testing.
40
static
bool
FilterInputFilename(
string
line);
41
42
/// Parse the full output of cl, returning the output (if any) that
43
/// should printed.
44
string
Parse(
const
string
& output);
45
46
set<string>
includes_
;
47
};
48
49
/// Wraps a synchronous execution of a CL subprocess.
50
struct
CLWrapper
{
51
CLWrapper
() : env_block_(NULL) {}
52
53
/// Set the environment block (as suitable for CreateProcess) to be used
54
/// by Run().
55
void
SetEnvBlock
(
void
* env_block) { env_block_ = env_block; }
56
57
/// Start a process and gather its raw output. Returns its exit code.
58
/// Crashes (calls Fatal()) on error.
59
int
Run(
const
string
& command,
string
* output);
60
61
void
*
env_block_
;
62
};
Generated on Thu Jul 18 2013 08:11:45 for Ninja by
1.8.4