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-rw-r--r--RELEASING10
-rwxr-xr-xbootstrap.py5
-rwxr-xr-xconfigure.py28
-rw-r--r--doc/docbook.xsl17
-rw-r--r--doc/manual.asciidoc183
-rw-r--r--doc/style.css29
-rw-r--r--misc/packaging/ninja.spec8
-rwxr-xr-xsrc/browse.py3
-rw-r--r--src/build.cc51
-rw-r--r--src/build.h1
-rw-r--r--src/build_test.cc74
-rw-r--r--src/clean.cc6
-rw-r--r--src/depfile_parser.cc97
-rw-r--r--src/depfile_parser.in.cc9
-rw-r--r--src/depfile_parser_test.cc8
-rw-r--r--src/eval_env.cc16
-rw-r--r--src/eval_env.h12
-rw-r--r--src/graph.cc85
-rw-r--r--src/graph.h43
-rw-r--r--src/graph_test.cc35
-rw-r--r--src/manifest_parser.cc88
-rw-r--r--src/manifest_parser_test.cc29
-rw-r--r--src/msvc_helper_main-win32.cc37
-rw-r--r--src/ninja.cc83
-rw-r--r--src/state.cc23
-rw-r--r--src/state.h13
-rw-r--r--src/state_test.cc4
-rw-r--r--src/util.cc6
-rw-r--r--src/util.h2
-rw-r--r--src/version.cc57
-rw-r--r--src/version.h32
31 files changed, 760 insertions, 334 deletions
diff --git a/RELEASING b/RELEASING
new file mode 100644
index 0000000..0593e6d
--- /dev/null
+++ b/RELEASING
@@ -0,0 +1,10 @@
+Notes to myself on all the steps to make for a Ninja release.
+
+1. git checkout release; git merge master
+2. fix version number in source (it will likely conflict in the above)
+3. fix version in doc/manual.asciidoc
+4. grep doc/manual.asciidoc for XXX, fix version references
+5. rebuild manual, put in place on website
+6. commit, tag, push
+7. construct release notes from prior notes
+ credits: git shortlog -s --no-merges REV..
diff --git a/bootstrap.py b/bootstrap.py
index a847df9..fcf1a20 100755
--- a/bootstrap.py
+++ b/bootstrap.py
@@ -85,7 +85,9 @@ if options.windows:
vcdir = os.environ.get('VCINSTALLDIR')
if vcdir:
if options.x64:
- cl = [os.path.join(vcdir, 'bin', 'amd64', 'cl.exe')]
+ cl = [os.path.join(vcdir, 'bin', 'x86_amd64', 'cl.exe')]
+ if not os.path.exists(cl[0]):
+ cl = [os.path.join(vcdir, 'bin', 'amd64', 'cl.exe')]
else:
cl = [os.path.join(vcdir, 'bin', 'cl.exe')]
args = cl + ['/nologo', '/EHsc', '/DNOMINMAX']
@@ -96,6 +98,7 @@ else:
'-DNINJA_BOOTSTRAP'])
if options.windows:
cflags.append('-D_WIN32_WINNT=0x0501')
+ conf_args.append("--platform=mingw")
if options.x64:
cflags.append('-m64')
args.extend(cflags)
diff --git a/configure.py b/configure.py
index 9391a68..10c6994 100755
--- a/configure.py
+++ b/configure.py
@@ -279,7 +279,8 @@ for name in ['build',
'manifest_parser',
'metrics',
'state',
- 'util']:
+ 'util',
+ 'version']:
objs += cxx(name)
if platform in ('mingw', 'windows'):
for name in ['subprocess-win32',
@@ -315,7 +316,7 @@ all_targets += ninja
n.comment('Tests all build into ninja_test executable.')
variables = []
-test_cflags = cflags[:]
+test_cflags = cflags + ['-DGTEST_HAS_RTTI=0']
test_ldflags = None
test_libs = libs
objs = []
@@ -335,14 +336,12 @@ if options.with_gtest:
variables=[('cflags', gtest_cflags)])
test_cflags.append('-I%s' % os.path.join(path, 'include'))
-elif platform == 'windows':
- test_libs.extend(['gtest_main.lib', 'gtest.lib'])
else:
- test_cflags.append('-DGTEST_HAS_RTTI=0')
- test_libs.extend(['-lgtest_main', '-lgtest'])
-
-if test_cflags == cflags:
- test_cflags = None
+ # Use gtest from system.
+ if platform == 'windows':
+ test_libs.extend(['gtest_main.lib', 'gtest.lib'])
+ else:
+ test_libs.extend(['-lgtest_main', '-lgtest'])
n.variable('test_cflags', test_cflags)
for name in ['build_log_test',
@@ -398,9 +397,14 @@ n.newline()
n.comment('Generate the manual using asciidoc.')
n.rule('asciidoc',
- command='asciidoc -a toc -a max-width=45em -o $out $in',
- description='ASCIIDOC $in')
-manual = n.build(doc('manual.html'), 'asciidoc', doc('manual.asciidoc'))
+ command='asciidoc -b docbook -d book -o $out $in',
+ description='ASCIIDOC $out')
+n.rule('xsltproc',
+ command='xsltproc --nonet doc/docbook.xsl $in > $out',
+ description='XSLTPROC $out')
+xml = n.build(built('manual.xml'), 'asciidoc', doc('manual.asciidoc'))
+manual = n.build(doc('manual.html'), 'xsltproc', xml,
+ implicit=doc('style.css'))
n.build('manual', 'phony',
order_only=manual)
n.newline()
diff --git a/doc/docbook.xsl b/doc/docbook.xsl
new file mode 100644
index 0000000..8afdc8c
--- /dev/null
+++ b/doc/docbook.xsl
@@ -0,0 +1,17 @@
+<!-- This soup of XML is the minimum customization necessary to make the
+ autogenerated manual look ok. -->
+<!DOCTYPE xsl:stylesheet [
+<!ENTITY css SYSTEM "style.css">
+]>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ version='1.0'>
+ <xsl:import href="http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl"/>
+ <xsl:template name="user.head.content"><style>&css;</style></xsl:template>
+ <xsl:template name="body.attributes"></xsl:template>
+ <xsl:param name="generate.toc" select="'book toc'"/>
+ <xsl:param name="chapter.autolabel" select="0" />
+ <xsl:param name="toc.list.type">ul</xsl:param>
+
+ <xsl:output method="html" encoding="utf-8" indent="no"
+ doctype-public=""/>
+</xsl:stylesheet>
diff --git a/doc/manual.asciidoc b/doc/manual.asciidoc
index 674231c..688ec93 100644
--- a/doc/manual.asciidoc
+++ b/doc/manual.asciidoc
@@ -210,20 +210,23 @@ you don't need to pass `-j`.)
Environment variables
~~~~~~~~~~~~~~~~~~~~~
-Ninja supports one environment variable to control its behavior.
+Ninja supports one environment variable to control its behavior:
+`NINJA_STATUS`, the progress status printed before the rule being run.
-`NINJA_STATUS`:: The progress status printed before the rule being run.
Several placeholders are available:
-* `%s`: The number of started edges.
-* `%t`: The total number of edges that must be run to complete the build.
-* `%p`: The percentage of started edges.
-* `%r`: The number of currently running edges.
-* `%u`: The number of remaining edges to start.
-* `%f`: The number of finished edges.
-* `%o`: Overall rate of finished edges per second
-* `%c`: Current rate of finished edges per second (average over builds specified by -j or its default)
-* `%%`: A plain `%` character.
-* The default progress status is `"[%s/%t] "` (note the trailing space
+
+`%s`:: The number of started edges.
+`%t`:: The total number of edges that must be run to complete the build.
+`%p`:: The percentage of started edges.
+`%r`:: The number of currently running edges.
+`%u`:: The number of remaining edges to start.
+`%f`:: The number of finished edges.
+`%o`:: Overall rate of finished edges per second
+`%c`:: Current rate of finished edges per second (average over builds specified by -j or its default)
+`%e`:: Elapsed time in seconds. _(Available since Ninja 1.2.)_
+`%%`:: A plain `%` character.
+
+The default progress status is `"[%s/%t] "` (note the trailing space
to separate from the build rule). Another example of possible progress status
could be `"[%u/%r/%f] "`.
@@ -264,10 +267,6 @@ several times. If used like this +ninja -t targets all+ it
prints all the targets available without indentation and it is faster
than the _depth_ mode.
-`rules`:: output the list of all rules with their description if they have
-one. It can be used to know which rule name to pass to
-+ninja -t targets rule _name_+.
-
`commands`:: given a list of targets, print a list of commands which, if
executed in order, may be used to rebuild those targets, assuming that all
output files are out of date.
@@ -286,6 +285,12 @@ Files created but not referenced in the graph are not removed. This
tool takes in account the +-v+ and the +-n+ options (note that +-n+
implies +-v+).
+`compdb`:: given a list of rules, each of which is expected to be a
+C family language compiler rule whose first input is the name of the
+source file, prints on standard output a compilation database in the
+http://clang.llvm.org/docs/JSONCompilationDatabase.html[JSON format] expected
+by the Clang tooling interface.
+_Available since Ninja 1.2._
Writing your own Ninja files
@@ -359,17 +364,11 @@ consisting of the `rule` keyword and a name for the rule. Then
follows an indented set of `variable = value` lines.
The basic example above declares a new rule named `cc`, along with the
-command to run. (In the context of a rule, the `command` variable is
-special and defines the command to run. A full list of special
-variables is provided in <<ref_rule,the reference>>.)
-
-Within the context of a rule, three additional special variables are
-available: `$in` expands to the list of input files (`foo.c`) and
-`$out` to the output file (`foo.o`) for the command. For use with
-`$rspfile_content`, there is also `$in_newline`, which is the same as
-`$in`, except that multiple inputs are separated by `\n`, rather than
-spaces.
-
+command to run. In the context of a rule, the `command` variable
+defines the command to run, `$in` expands to the list of
+input files (`foo.c`), and `$out` to the output files (`foo.o`) for the
+command. A full list of special variables is provided in
+<<ref_rule,the reference>>.
Build statements
~~~~~~~~~~~~~~~~
@@ -400,7 +399,7 @@ rule cc
# If left unspecified, builds get the outer $cflags.
build foo.o: cc foo.c
-# But you can can shadow variables like cflags for a particular build.
+# But you can shadow variables like cflags for a particular build.
build special.o: cc special.c
cflags = -Wall
@@ -425,9 +424,7 @@ before building the targets requested by the user.
Pools
~~~~~
-*Note: pools were added as an experiment and may be removed in a future
-version of Ninja. Are they useful for you? Let us know on the mailing
-list.*
+_Available since Ninja 1.1._
Pools allow you to allocate one or more rules or edges a finite number
of concurrent jobs which is more tightly restricted than the default
@@ -541,6 +538,7 @@ This causes Ninja to build the `foo`, `bar` and `baz` targets by
default.
+[[ref_log]]
The Ninja log
~~~~~~~~~~~~~
@@ -554,6 +552,36 @@ If you provide a variable named `builddir` in the outermost scope,
`.ninja_log` will be kept in that directory instead.
+[[ref_versioning]]
+Version compatibility
+~~~~~~~~~~~~~~~~~~~~~
+
+_Available since Ninja 1.XXX._
+
+Ninja version labels follow the standard major.minor.patch format,
+where the major version is increased on backwards-incompatible
+syntax/behavioral changes and the minor version is increased on new
+behaviors. Your `build.ninja` may declare a variable named
+`ninja_required_version` that asserts the minimum Ninja version
+required to use the generated file. For example,
+
+-----
+ninja_required_version = 1.1
+-----
+
+declares that the build file relies on some feature that was
+introduced in Ninja 1.1 (perhaps the `pool` syntax), and that
+Ninja 1.1 or greater must be used to build. Unlike other Ninja
+variables, this version requirement is checked immediately when
+the variable is encountered in parsing, so it's best to put it
+at the top of the build file.
+
+Ninja always warns if the major versions of Ninja and the
+`ninja_required_version` don't match; a major version change hasn't
+come up yet so it's difficult to predict what behavior might be
+required.
+
+
Ninja file reference
--------------------
@@ -608,7 +636,7 @@ across a line break).
paths, where a space would otherwise separate filenames. See below.)
`$:` :: a colon. (This is only necessary in `build` lines, where a colon
-would otherwise terminate the list of inputs.)
+would otherwise terminate the list of outputs.)
`$$`:: a literal `$`.
@@ -639,9 +667,22 @@ line. If a line is indented more than the previous one, it's
considered part of its parent's scope; if it is indented less than the
previous one, it closes the previous scope.
+Top-level variables
+~~~~~~~~~~~~~~~~~~~
+
+Two variables are significant when declared in the outermost file scope.
+
+`builddir`:: a directory for some Ninja output files. See <<ref_log,the
+ discussion of the build log>>. (You can also store other build output
+ in this directory.)
+
+`ninja_required_version`:: the minimum version of Ninja required to process
+ the build correctly. See <<ref_versioning,the discussion of versioning>>.
+
+
+[[ref_rule]]
Rule variables
~~~~~~~~~~~~~~
-[[ref_rule]]
A `rule` block contains a list of `key = value` declarations that
affect the processing of the rule. Here is a full list of special
@@ -651,7 +692,7 @@ keys.
$variables are expanded) is passed directly to `sh -c` without
interpretation by Ninja. Each `rule` may have only one `command`
declaration. To specify multiple commands use `&&` (or similar) to
- concatenate operations.
+ concatenate operations.
`depfile`:: path to an optional `Makefile` that contains extra
_implicit dependencies_ (see <<ref_dependencies,the reference on
@@ -683,6 +724,20 @@ aborting due to a missing input.
rebuilt if the command line changes; and secondly, they are not
cleaned by default.
+`in`:: the shell-quoted space-separated list of files provided as
+ inputs to the build line referencing this `rule`. (`$in` is provided
+ solely for convenience; if you need some subset or variant of this
+ list of files, just construct a new variable with that list and use
+ that instead.)
+
+`in_newline`:: the same as `$in` except that multiple inputs are
+ separated by newlines rather than spaces. (For use with
+ `$rspfile_content`; this works around a bug in the MSVC linker where
+ it uses a fixed-size buffer for processing input.)
+
+`out`:: the shell-quoted space-separated list of files provided as
+ outputs to the build line referencing this `rule`.
+
`restat`:: if present, causes Ninja to re-stat the command's outputs
after execution of the command. Each output whose modification time
the command did not change will be treated as though it had never
@@ -709,13 +764,9 @@ rule link
build myapp.exe: link a.obj b.obj [possibly many other .obj files]
----
-Finally, the special `$in` and `$out` variables expand to the
-shell-quoted space-separated list of files provided to the `build`
-line referencing this `rule`.
-
+[[ref_dependencies]]
Build dependencies
~~~~~~~~~~~~~~~~~~
-[[ref_dependencies]]
There are three types of build dependencies which are subtly different.
@@ -752,9 +803,34 @@ header file before starting a subsequent compilation step. (Once the
header is used in compilation, a generated dependency file will then
express the implicit dependency.)
+Variable expansion
+~~~~~~~~~~~~~~~~~~
+
+Variables are expanded in paths (in a `build` or `default` statement)
+and on the right side of a `name = value` statement.
+
+When a `name = value` statement is evaluated, its right-hand side is
+expanded immediately (according to the below scoping rules), and
+from then on `$name` expands to the static string as the result of the
+expansion. It is never the case that you'll need to "double-escape" a
+value to prevent it from getting expanded twice.
+
+All variables are expanded immediately as they're encountered in parsing,
+with one important exception: variables in `rule` blocks are expanded
+when the rule is _used_, not when it is declared. In the following
+example, the `demo` rule prints "this is a demo of bar".
+
+----
+rule demo
+ command = echo "this is a demo of $foo'
+
+build out: demo
+ foo = bar
+----
+
+[[ref_scope]]
Evaluation and scoping
~~~~~~~~~~~~~~~~~~~~~~
-[[ref_scope]]
Top-level variable declarations are scoped to the file they occur in.
@@ -767,26 +843,19 @@ To include another `.ninja` file in the current scope, much like a C
`#include` statement, use `include` instead of `subninja`.
Variable declarations indented in a `build` block are scoped to the
-`build` block. This scope is inherited by the `rule`. The full
-lookup order for a variable referenced in a rule is:
+`build` block. The full lookup order for a variable expanded in a
+`build` block (or the `rule` is uses) is:
-1. Rule-level variables (i.e. `$in`, `$command`).
+1. Special built-in variables (`$in`, `$out`).
-2. Build-level variables from the `build` that references this rule.
+2. Build-level variables from the `build` block.
-3. File-level variables from the file that the `build` line was in.
+3. Rule-level variables from the `rule` block (i.e. `$command`).
+ (Note from the above discussion on expansion that these are
+ expanded "late", and may make use of in-scope bindings like `$in`.)
-4. Variables from the file that included that file using the
- `subninja` keyword.
+4. File-level variables from the file that the `build` line was in.
-Variable expansion
-~~~~~~~~~~~~~~~~~~
-
-Variables are expanded in paths (in a `build` or `default` statement)
-and on the right side of a `name = value` statement.
+5. Variables from the file that included that file using the
+ `subninja` keyword.
-When a `name = value` statement is evaluated, its right-hand side is
-expanded once (according to the above scoping rules) immediately, and
-from then on `$name` expands to the static string as the result of the
-expansion. It is never the case that you'll need to "double-escape" a
-value to prevent it from getting expanded twice.
diff --git a/doc/style.css b/doc/style.css
new file mode 100644
index 0000000..fc22ec1
--- /dev/null
+++ b/doc/style.css
@@ -0,0 +1,29 @@
+body {
+ margin: 5ex 10ex;
+ max-width: 40em;
+ line-height: 1.4;
+ font-family: sans-serif;
+ font-size: 0.8em;
+}
+h1, h2, h3 {
+ font-weight: normal;
+}
+pre, code {
+ font-family: x, monospace;
+}
+pre {
+ padding: 1ex;
+ background: #eee;
+ border: solid 1px #ddd;
+ min-width: 0;
+ font-size: 90%;
+}
+code {
+ color: #007;
+}
+.chapter {
+ margin-top: 4em;
+}
+p {
+ margin-top: 0;
+}
diff --git a/misc/packaging/ninja.spec b/misc/packaging/ninja.spec
index 2f009f6..f0c46fe 100644
--- a/misc/packaging/ninja.spec
+++ b/misc/packaging/ninja.spec
@@ -5,8 +5,10 @@ Release: %{rel}%{?dist}
Group: Development/Tools
License: Apache 2.0
URL: https://github.com/martine/ninja
-Source0: %{name}-%{version}-%{release}.tar.gz
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}
+Source0: %{name}-%{version}-%{rel}.tar.gz
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{rel}
+
+BuildRequires: asciidoc
%description
Ninja is yet another build system. It takes as input the interdependencies of files (typically source code and output executables) and
@@ -17,7 +19,7 @@ which has over 30,000 source files and whose other build systems (including one
seconds to start building after changing one file. Ninja is under a second.
%prep
-%setup -q -n %{name}-%{version}-%{release}
+%setup -q -n %{name}-%{version}-%{rel}
%build
echo Building..
diff --git a/src/browse.py b/src/browse.py
index 7f15e50..652bac2 100755
--- a/src/browse.py
+++ b/src/browse.py
@@ -29,6 +29,7 @@ except ImportError:
import subprocess
import sys
import webbrowser
+import urllib2
from collections import namedtuple
Node = namedtuple('Node', ['inputs', 'rule', 'target', 'outputs'])
@@ -151,7 +152,7 @@ def ninja_dump(target):
class RequestHandler(httpserver.BaseHTTPRequestHandler):
def do_GET(self):
assert self.path[0] == '/'
- target = self.path[1:]
+ target = urllib2.unquote(self.path[1:])
if target == '':
self.send_response(302)
diff --git a/src/build.cc b/src/build.cc
index b4229c4..ae47a50 100644
--- a/src/build.cc
+++ b/src/build.cc
@@ -238,6 +238,13 @@ string BuildStatus::FormatProgressStatus(
out += buf;
break;
+ case 'e': {
+ double elapsed = overall_rate_.Elapsed();
+ snprintf(buf, sizeof(buf), "%.3f", elapsed);
+ out += buf;
+ break;
+ }
+
default:
Fatal("unknown placeholder '%%%c' in $NINJA_STATUS", *s);
return "";
@@ -256,9 +263,9 @@ void BuildStatus::PrintStatus(Edge* edge) {
bool force_full_command = config_.verbosity == BuildConfig::VERBOSE;
- string to_print = edge->GetDescription();
+ string to_print = edge->GetBinding("description");
if (to_print.empty() || force_full_command)
- to_print = edge->EvaluateCommand();
+ to_print = edge->GetBinding("command");
#ifdef _WIN32
CONSOLE_SCREEN_BUFFER_INFO csbi;
@@ -418,6 +425,12 @@ Edge* Plan::FindWork() {
void Plan::ScheduleWork(Edge* edge) {
Pool* pool = edge->pool();
if (pool->ShouldDelayEdge()) {
+ // The graph is not completely clean. Some Nodes have duplicate Out edges.
+ // We need to explicitly ignore these here, otherwise their work will get
+ // scheduled twice (see https://github.com/martine/ninja/pull/519)
+ if (ready_.count(edge)) {
+ return;
+ }
pool->DelayEdge(edge);
pool->RetrieveReadyEdges(&ready_);
} else {
@@ -612,7 +625,7 @@ void Builder::Cleanup() {
for (vector<Edge*>::iterator i = active_edges.begin();
i != active_edges.end(); ++i) {
- bool has_depfile = !(*i)->rule_->depfile().empty();
+ string depfile = (*i)->GetBinding("depfile");
for (vector<Node*>::iterator ni = (*i)->outputs_.begin();
ni != (*i)->outputs_.end(); ++ni) {
// Only delete this output if it was actually modified. This is
@@ -622,12 +635,13 @@ void Builder::Cleanup() {
// need to rebuild an output because of a modified header file
// mentioned in a depfile, and the command touches its depfile
// but is interrupted before it touches its output file.)
- if (has_depfile ||
- (*ni)->mtime() != disk_interface_->Stat((*ni)->path()))
+ if (!depfile.empty() ||
+ (*ni)->mtime() != disk_interface_->Stat((*ni)->path())) {
disk_interface_->RemoveFile((*ni)->path());
+ }
}
- if (has_depfile)
- disk_interface_->RemoveFile((*i)->EvaluateDepFile());
+ if (!depfile.empty())
+ disk_interface_->RemoveFile(depfile);
}
}
}
@@ -771,11 +785,11 @@ bool Builder::StartEdge(Edge* edge, string* err) {
// Create response file, if needed
// XXX: this may also block; do we care?
- if (edge->HasRspFile()) {
- if (!disk_interface_->WriteFile(edge->GetRspFile(),
- edge->GetRspFileContent())) {
+ string rspfile = edge->GetBinding("rspfile");
+ if (!rspfile.empty()) {
+ string content = edge->GetBinding("rspfile_content");
+ if (!disk_interface_->WriteFile(rspfile, content))
return false;
- }
}
// start command computing and run it
@@ -792,7 +806,7 @@ void Builder::FinishEdge(Edge* edge, bool success, const string& output) {
TimeStamp restat_mtime = 0;
if (success) {
- if (edge->rule().restat() && !config_.dry_run) {
+ if (edge->GetBindingBool("restat") && !config_.dry_run) {
bool node_cleaned = false;
for (vector<Node*>::iterator i = edge->outputs_.begin();
@@ -817,9 +831,9 @@ void Builder::FinishEdge(Edge* edge, bool success, const string& output) {
restat_mtime = input_mtime;
}
- if (restat_mtime != 0 && !edge->rule().depfile().empty()) {
- TimeStamp depfile_mtime =
- disk_interface_->Stat(edge->EvaluateDepFile());
+ string depfile = edge->GetBinding("depfile");
+ if (restat_mtime != 0 && !depfile.empty()) {
+ TimeStamp depfile_mtime = disk_interface_->Stat(depfile);
if (depfile_mtime > restat_mtime)
restat_mtime = depfile_mtime;
}
@@ -830,9 +844,10 @@ void Builder::FinishEdge(Edge* edge, bool success, const string& output) {
}
}
- // delete the response file on success (if exists)
- if (edge->HasRspFile())
- disk_interface_->RemoveFile(edge->GetRspFile());
+ // Delete the response file on success (if exists)
+ string rspfile = edge->GetBinding("rspfile");
+ if (!rspfile.empty())
+ disk_interface_->RemoveFile(rspfile);
plan_.EdgeFinished(edge);
}
diff --git a/src/build.h b/src/build.h
index 23f653e..5747170 100644
--- a/src/build.h
+++ b/src/build.h
@@ -220,6 +220,7 @@ struct BuildStatus {
RateInfo() : rate_(-1) {}
void Restart() { stopwatch_.Restart(); }
+ double Elapsed() const { return stopwatch_.Elapsed(); }
double rate() { return rate_; }
void UpdateRate(int edges) {
diff --git a/src/build_test.cc b/src/build_test.cc
index 59c4c53..40a82ed 100644
--- a/src/build_test.cc
+++ b/src/build_test.cc
@@ -302,6 +302,80 @@ TEST_F(PlanTest, PoolsWithDepthTwo) {
ASSERT_FALSE(plan_.FindWork());
}
+TEST_F(PlanTest, PoolWithRedundantEdges) {
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+ "pool compile\n"
+ " depth = 1\n"
+ "rule gen_foo\n"
+ " command = touch foo.cpp\n"
+ "rule gen_bar\n"
+ " command = touch bar.cpp\n"
+ "rule echo\n"
+ " command = echo $out > $out\n"
+ "build foo.cpp.obj: echo foo.cpp || foo.cpp\n"
+ " pool = compile\n"
+ "build bar.cpp.obj: echo bar.cpp || bar.cpp\n"
+ " pool = compile\n"
+ "build libfoo.a: echo foo.cpp.obj bar.cpp.obj\n"
+ "build foo.cpp: gen_foo\n"
+ "build bar.cpp: gen_bar\n"
+ "build all: phony libfoo.a\n"));
+ GetNode("foo.cpp")->MarkDirty();
+ GetNode("foo.cpp.obj")->MarkDirty();
+ GetNode("bar.cpp")->MarkDirty();
+ GetNode("bar.cpp.obj")->MarkDirty();
+ GetNode("libfoo.a")->MarkDirty();
+ GetNode("all")->MarkDirty();
+ string err;
+ EXPECT_TRUE(plan_.AddTarget(GetNode("all"), &err));
+ ASSERT_EQ("", err);
+ ASSERT_TRUE(plan_.more_to_do());
+
+ Edge* edge = NULL;
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("foo.cpp", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("foo.cpp", edge->inputs_[0]->path());
+ ASSERT_EQ("foo.cpp", edge->inputs_[1]->path());
+ ASSERT_EQ("foo.cpp.obj", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("bar.cpp", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("bar.cpp", edge->inputs_[0]->path());
+ ASSERT_EQ("bar.cpp", edge->inputs_[1]->path());
+ ASSERT_EQ("bar.cpp.obj", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("foo.cpp.obj", edge->inputs_[0]->path());
+ ASSERT_EQ("bar.cpp.obj", edge->inputs_[1]->path());
+ ASSERT_EQ("libfoo.a", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_TRUE(edge);
+ ASSERT_EQ("libfoo.a", edge->inputs_[0]->path());
+ ASSERT_EQ("all", edge->outputs_[0]->path());
+ plan_.EdgeFinished(edge);
+
+ edge = plan_.FindWork();
+ ASSERT_FALSE(edge);
+ ASSERT_FALSE(plan_.more_to_do());
+}
+
+
struct BuildTest : public StateTestWithBuiltinRules,
public CommandRunner {
BuildTest() : config_(MakeConfig()),
diff --git a/src/clean.cc b/src/clean.cc
index 0b8476b..12afb98 100644
--- a/src/clean.cc
+++ b/src/clean.cc
@@ -83,11 +83,11 @@ bool Cleaner::IsAlreadyRemoved(const string& path) {
}
void Cleaner::RemoveEdgeFiles(Edge* edge) {
- string depfile = edge->EvaluateDepFile();
+ string depfile = edge->GetBinding("depfile");
if (!depfile.empty())
Remove(depfile);
- string rspfile = edge->GetRspFile();
+ string rspfile = edge->GetBinding("rspfile");
if (!rspfile.empty())
Remove(rspfile);
}
@@ -117,7 +117,7 @@ int Cleaner::CleanAll(bool generator) {
if ((*e)->is_phony())
continue;
// Do not remove generator's files unless generator specified.
- if (!generator && (*e)->rule().generator())
+ if (!generator && (*e)->GetBindingBool("generator"))
continue;
for (vector<Node*>::iterator out_node = (*e)->outputs_.begin();
out_node != (*e)->outputs_.end(); ++out_node) {
diff --git a/src/depfile_parser.cc b/src/depfile_parser.cc
index 6887c91..5a30c6b 100644
--- a/src/depfile_parser.cc
+++ b/src/depfile_parser.cc
@@ -53,10 +53,10 @@ bool DepfileParser::Parse(string* content, string* err) {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 128, 128, 0, 128, 128, 128, 128, 128,
+ 0, 128, 128, 128, 128, 128, 128, 128,
+ 128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128,
- 128, 128, 128, 0, 0, 128, 0, 0,
+ 128, 128, 128, 128, 128, 128, 0, 0,
128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128,
128, 128, 128, 128, 128, 128, 128, 128,
@@ -84,56 +84,48 @@ bool DepfileParser::Parse(string* content, string* err) {
};
yych = *in;
- if (yych <= 'Z') {
- if (yych <= '*') {
- if (yych <= 0x00) goto yy6;
- if (yych <= '\'') goto yy8;
- if (yych <= ')') goto yy4;
- goto yy8;
+ if (yych <= '[') {
+ if (yych <= '$') {
+ if (yych <= 0x00) goto yy7;
+ if (yych <= ' ') goto yy9;
+ if (yych <= '#') goto yy6;
+ goto yy4;
} else {
- if (yych <= '<') {
- if (yych <= ':') goto yy4;
- goto yy8;
- } else {
- if (yych <= '=') goto yy4;
- if (yych <= '?') goto yy8;
- goto yy4;
- }
+ if (yych <= '=') goto yy6;
+ if (yych <= '?') goto yy9;
+ if (yych <= 'Z') goto yy6;
+ goto yy9;
}
} else {
- if (yych <= '_') {
- if (yych == '\\') goto yy2;
- if (yych <= '^') goto yy8;
- goto yy4;
+ if (yych <= '`') {
+ if (yych <= '\\') goto yy2;
+ if (yych == '_') goto yy6;
+ goto yy9;
} else {
- if (yych <= 'z') {
- if (yych <= '`') goto yy8;
- goto yy4;
- } else {
- if (yych == '~') goto yy4;
- goto yy8;
- }
+ if (yych <= 'z') goto yy6;
+ if (yych == '~') goto yy6;
+ goto yy9;
}
}
yy2:
++in;
- if ((yych = *in) <= '$') {
+ if ((yych = *in) <= '#') {
if (yych <= '\n') {
if (yych <= 0x00) goto yy3;
- if (yych <= '\t') goto yy11;
+ if (yych <= '\t') goto yy14;
} else {
- if (yych == ' ') goto yy13;
- if (yych <= '"') goto yy11;
- goto yy13;
+ if (yych == ' ') goto yy16;
+ if (yych <= '"') goto yy14;
+ goto yy16;
}
} else {
if (yych <= 'Z') {
- if (yych == '*') goto yy13;
- goto yy11;
+ if (yych == '*') goto yy16;
+ goto yy14;
} else {
- if (yych <= '\\') goto yy13;
- if (yych == '|') goto yy13;
- goto yy11;
+ if (yych <= '\\') goto yy16;
+ if (yych == '|') goto yy16;
+ goto yy14;
}
}
yy3:
@@ -144,8 +136,8 @@ yy3:
}
yy4:
++in;
- yych = *in;
- goto yy10;
+ if ((yych = *in) == '$') goto yy12;
+ goto yy11;
yy5:
{
// Got a span of plain text.
@@ -157,22 +149,35 @@ yy5:
continue;
}
yy6:
+ yych = *++in;
+ goto yy11;
+yy7:
++in;
{
break;
}
-yy8:
+yy9:
yych = *++in;
goto yy3;
-yy9:
+yy10:
++in;
yych = *in;
-yy10:
+yy11:
if (yybm[0+yych] & 128) {
- goto yy9;
+ goto yy10;
}
goto yy5;
-yy11:
+yy12:
+ ++in;
+ if (yybm[0+(yych = *in)] & 128) {
+ goto yy10;
+ }
+ {
+ // De-escape dollar character.
+ *out++ = '$';
+ continue;
+ }
+yy14:
++in;
{
// Let backslash before other characters through verbatim.
@@ -180,7 +185,7 @@ yy11:
*out++ = yych;
continue;
}
-yy13:
+yy16:
++in;
{
// De-escape backslashed character.
diff --git a/src/depfile_parser.in.cc b/src/depfile_parser.in.cc
index 1d4a177..cf24a09 100644
--- a/src/depfile_parser.in.cc
+++ b/src/depfile_parser.in.cc
@@ -55,20 +55,25 @@ bool DepfileParser::Parse(string* content, string* err) {
re2c:indent:string = " ";
nul = "\000";
- escape = [ \\#*$[|];
+ escape = [ \\#*[|];
'\\' escape {
// De-escape backslashed character.
*out++ = yych;
continue;
}
+ '$$' {
+ // De-escape dollar character.
+ *out++ = '$';
+ continue;
+ }
'\\' [^\000\n] {
// Let backslash before other characters through verbatim.
*out++ = '\\';
*out++ = yych;
continue;
}
- [a-zA-Z0-9+,/_:.~()@=-]+ {
+ [a-zA-Z0-9+,/_:.~()@=-!]+ {
// Got a span of plain text.
int len = (int)(in - start);
// Need to shift it over if we're overwriting backslashes.
diff --git a/src/depfile_parser_test.cc b/src/depfile_parser_test.cc
index 93d42db..0f6771a 100644
--- a/src/depfile_parser_test.cc
+++ b/src/depfile_parser_test.cc
@@ -95,7 +95,7 @@ TEST_F(DepfileParserTest, Escapes) {
// it through.
string err;
EXPECT_TRUE(Parse(
-"\\!\\@\\#\\$\\%\\^\\&\\\\",
+"\\!\\@\\#$$\\%\\^\\&\\\\",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("\\!\\@#$\\%\\^\\&\\",
@@ -104,10 +104,12 @@ TEST_F(DepfileParserTest, Escapes) {
}
TEST_F(DepfileParserTest, SpecialChars) {
+ // See filenames like istreambuf.iterator_op!= in
+ // https://github.com/google/libcxx/tree/master/test/iterators/stream.iterators/istreambuf.iterator/
string err;
EXPECT_TRUE(Parse(
"C:/Program\\ Files\\ (x86)/Microsoft\\ crtdefs.h: \n"
-" en@quot.header~ t+t-x=1",
+" en@quot.header~ t+t-x!=1",
&err));
ASSERT_EQ("", err);
EXPECT_EQ("C:/Program Files (x86)/Microsoft crtdefs.h",
@@ -115,7 +117,7 @@ TEST_F(DepfileParserTest, SpecialChars) {
ASSERT_EQ(2u, parser_.ins_.size());
EXPECT_EQ("en@quot.header~",
parser_.ins_[0].AsString());
- EXPECT_EQ("t+t-x=1",
+ EXPECT_EQ("t+t-x!=1",
parser_.ins_[1].AsString());
}
diff --git a/src/eval_env.cc b/src/eval_env.cc
index 81a8765..834b7e1 100644
--- a/src/eval_env.cc
+++ b/src/eval_env.cc
@@ -27,6 +27,22 @@ void BindingEnv::AddBinding(const string& key, const string& val) {
bindings_[key] = val;
}
+string BindingEnv::LookupWithFallback(const string& var,
+ const EvalString* eval,
+ Env* env) {
+ map<string, string>::iterator i = bindings_.find(var);
+ if (i != bindings_.end())
+ return i->second;
+
+ if (eval)
+ return eval->Evaluate(env);
+
+ if (parent_)
+ return parent_->LookupVariable(var);
+
+ return "";
+}
+
string EvalString::Evaluate(Env* env) const {
string result;
for (TokenList::const_iterator i = parsed_.begin(); i != parsed_.end(); ++i) {
diff --git a/src/eval_env.h b/src/eval_env.h
index 6e0a0c0..f3c959a 100644
--- a/src/eval_env.h
+++ b/src/eval_env.h
@@ -22,6 +22,8 @@ using namespace std;
#include "string_piece.h"
+struct EvalString;
+
/// An interface for a scope for variable (e.g. "$foo") lookups.
struct Env {
virtual ~Env() {}
@@ -33,10 +35,20 @@ struct Env {
struct BindingEnv : public Env {
BindingEnv() : parent_(NULL) {}
explicit BindingEnv(Env* parent) : parent_(parent) {}
+
virtual ~BindingEnv() {}
virtual string LookupVariable(const string& var);
+
void AddBinding(const string& key, const string& val);
+ /// This is tricky. Edges want lookup scope to go in this order:
+ /// 1) value set on edge itself (edge_->env_)
+ /// 2) value set on rule, with expansion in the edge's scope
+ /// 3) value set on enclosing scope of edge (edge_->env_->parent_)
+ /// This function takes as parameters the necessary info to do (2).
+ string LookupWithFallback(const string& var, const EvalString* eval,
+ Env* env);
+
private:
map<string, string> bindings_;
Env* parent_;
diff --git a/src/graph.cc b/src/graph.cc
index f9b9c6f..b000c48 100644
--- a/src/graph.cc
+++ b/src/graph.cc
@@ -32,16 +32,40 @@ bool Node::Stat(DiskInterface* disk_interface) {
return mtime_ > 0;
}
+void Rule::AddBinding(const string& key, const EvalString& val) {
+ bindings_[key] = val;
+}
+
+const EvalString* Rule::GetBinding(const string& key) const {
+ map<string, EvalString>::const_iterator i = bindings_.find(key);
+ if (i == bindings_.end())
+ return NULL;
+ return &i->second;
+}
+
+// static
+bool Rule::IsReservedBinding(const string& var) {
+ return var == "command" ||
+ var == "depfile" ||
+ var == "description" ||
+ var == "generator" ||
+ var == "pool" ||
+ var == "restat" ||
+ var == "rspfile" ||
+ var == "rspfile_content";
+}
+
bool DependencyScan::RecomputeDirty(Edge* edge, string* err) {
bool dirty = false;
edge->outputs_ready_ = true;
- if (!edge->rule_->depfile().empty()) {
- if (!LoadDepFile(edge, err)) {
+ string depfile = edge->GetBinding("depfile");
+ if (!depfile.empty()) {
+ if (!LoadDepFile(edge, depfile, err)) {
if (!err->empty())
return false;
EXPLAIN("Edge targets are dirty because depfile '%s' is missing",
- edge->EvaluateDepFile().c_str());
+ depfile.c_str());
dirty = true;
}
}
@@ -142,7 +166,7 @@ bool DependencyScan::RecomputeOutputDirty(Edge* edge,
// build log. Use that mtime instead, so that the file will only be
// considered dirty if an input was modified since the previous run.
TimeStamp most_recent_stamp = most_recent_input->mtime();
- if (edge->rule_->restat() && build_log() &&
+ if (edge->GetBindingBool("restat") && build_log() &&
(entry = build_log()->LookupByOutput(output->path()))) {
if (entry->restat_mtime < most_recent_stamp) {
EXPLAIN("restat of output %s older than most recent input %s "
@@ -162,7 +186,7 @@ bool DependencyScan::RecomputeOutputDirty(Edge* edge,
// May also be dirty due to the command changing since the last build.
// But if this is a generator rule, the command changing does not make us
// dirty.
- if (!edge->rule_->generator() && build_log()) {
+ if (!edge->GetBindingBool("generator") && build_log()) {
if (entry || (entry = build_log()->LookupByOutput(output->path()))) {
if (BuildLog::LogEntry::HashCommand(command) != entry->command_hash) {
EXPLAIN("command line changed for %s", output->path().c_str());
@@ -212,11 +236,11 @@ string EdgeEnv::LookupVariable(const string& var) {
return MakePathList(edge_->outputs_.begin(),
edge_->outputs_.end(),
' ');
- } else if (edge_->env_) {
- return edge_->env_->LookupVariable(var);
- } else {
- return string();
}
+
+ // See notes on BindingEnv::LookupWithFallback.
+ const EvalString* eval = edge_->rule_->GetBinding(var);
+ return edge_->env_->LookupWithFallback(var, eval, this);
}
string EdgeEnv::MakePathList(vector<Node*>::iterator begin,
@@ -239,43 +263,31 @@ string EdgeEnv::MakePathList(vector<Node*>::iterator begin,
}
string Edge::EvaluateCommand(bool incl_rsp_file) {
- EdgeEnv env(this);
- string command = rule_->command().Evaluate(&env);
- if (incl_rsp_file && HasRspFile())
- command += ";rspfile=" + GetRspFileContent();
+ string command = GetBinding("command");
+ if (incl_rsp_file) {
+ string rspfile_content = GetBinding("rspfile_content");
+ if (!rspfile_content.empty())
+ command += ";rspfile=" + rspfile_content;
+ }
return command;
}
-string Edge::EvaluateDepFile() {
+string Edge::GetBinding(const string& key) {
EdgeEnv env(this);
- return rule_->depfile().Evaluate(&env);
+ return env.LookupVariable(key);
}
-string Edge::GetDescription() {
- EdgeEnv env(this);
- return rule_->description().Evaluate(&env);
-}
-
-bool Edge::HasRspFile() {
- return !rule_->rspfile().empty();
-}
-
-string Edge::GetRspFile() {
- EdgeEnv env(this);
- return rule_->rspfile().Evaluate(&env);
+bool Edge::GetBindingBool(const string& key) {
+ return !GetBinding(key).empty();
}
-string Edge::GetRspFileContent() {
- EdgeEnv env(this);
- return rule_->rspfile_content().Evaluate(&env);
-}
-
-bool DependencyScan::LoadDepFile(Edge* edge, string* err) {
+bool DependencyScan::LoadDepFile(Edge* edge, const string& path, string* err) {
METRIC_RECORD("depfile load");
- string path = edge->EvaluateDepFile();
string content = disk_interface_->ReadFile(path, err);
- if (!err->empty())
+ if (!err->empty()) {
+ *err = "loading '" + path + "': " + *err;
return false;
+ }
// On a missing depfile: return false and empty *err.
if (content.empty())
return false;
@@ -317,8 +329,7 @@ bool DependencyScan::LoadDepFile(Edge* edge, string* err) {
// create one; this makes us not abort if the input is missing,
// but instead will rebuild in that circumstance.
if (!node->in_edge()) {
- Edge* phony_edge = state_->AddEdge(&State::kPhonyRule,
- &State::kDefaultPool);
+ Edge* phony_edge = state_->AddEdge(&State::kPhonyRule);
node->set_in_edge(phony_edge);
phony_edge->outputs_.push_back(node);
diff --git a/src/graph.h b/src/graph.h
index 3c31e19..8b93e29 100644
--- a/src/graph.h
+++ b/src/graph.h
@@ -102,38 +102,23 @@ private:
/// An invokable build command and associated metadata (description, etc.).
struct Rule {
- explicit Rule(const string& name)
- : name_(name), generator_(false), restat_(false) {}
+ explicit Rule(const string& name) : name_(name) {}
const string& name() const { return name_; }
- bool generator() const { return generator_; }
- bool restat() const { return restat_; }
+ typedef map<string, EvalString> Bindings;
+ void AddBinding(const string& key, const EvalString& val);
- const EvalString& command() const { return command_; }
- const EvalString& description() const { return description_; }
- const EvalString& depfile() const { return depfile_; }
- const EvalString& rspfile() const { return rspfile_; }
- const EvalString& rspfile_content() const { return rspfile_content_; }
+ static bool IsReservedBinding(const string& var);
- /// Used by a test.
- void set_command(const EvalString& command) { command_ = command; }
+ const EvalString* GetBinding(const string& key) const;
private:
// Allow the parsers to reach into this object and fill out its fields.
friend struct ManifestParser;
string name_;
-
- bool generator_;
- bool restat_;
-
- EvalString command_;
- EvalString description_;
- EvalString depfile_;
- EvalString pool_;
- EvalString rspfile_;
- EvalString rspfile_content_;
+ map<string, EvalString> bindings_;
};
struct BuildLog;
@@ -153,17 +138,9 @@ struct Edge {
/// If incl_rsp_file is enabled, the string will also contain the
/// full contents of a response file (if applicable)
string EvaluateCommand(bool incl_rsp_file = false);
- string EvaluateDepFile();
- string GetDescription();
-
- /// Does the edge use a response file?
- bool HasRspFile();
-
- /// Get the path to the response file
- string GetRspFile();
- /// Get the contents of the response file
- string GetRspFileContent();
+ string GetBinding(const string& key);
+ bool GetBindingBool(const string& key);
void Dump(const char* prefix="") const;
@@ -171,7 +148,7 @@ struct Edge {
Pool* pool_;
vector<Node*> inputs_;
vector<Node*> outputs_;
- Env* env_;
+ BindingEnv* env_;
bool outputs_ready_;
const Rule& rule() const { return *rule_; }
@@ -220,7 +197,7 @@ struct DependencyScan {
bool RecomputeOutputDirty(Edge* edge, Node* most_recent_input,
const string& command, Node* output);
- bool LoadDepFile(Edge* edge, string* err);
+ bool LoadDepFile(Edge* edge, const string& path, string* err);
BuildLog* build_log() const {
return build_log_;
diff --git a/src/graph_test.cc b/src/graph_test.cc
index 5b25c2f..396def4 100644
--- a/src/graph_test.cc
+++ b/src/graph_test.cc
@@ -187,3 +187,38 @@ TEST_F(GraphTest, DepfileRemoved) {
ASSERT_EQ("", err);
EXPECT_TRUE(GetNode("out.o")->dirty());
}
+
+// Check that rule-level variables are in scope for eval.
+TEST_F(GraphTest, RuleVariablesInScope) {
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"rule r\n"
+" depfile = x\n"
+" command = depfile is $depfile\n"
+"build out: r in\n"));
+ Edge* edge = GetNode("out")->in_edge();
+ EXPECT_EQ("depfile is x", edge->EvaluateCommand());
+}
+
+// Check that build statements can override rule builtins like depfile.
+TEST_F(GraphTest, DepfileOverride) {
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"rule r\n"
+" depfile = x\n"
+" command = unused\n"
+"build out: r in\n"
+" depfile = y\n"));
+ Edge* edge = GetNode("out")->in_edge();
+ EXPECT_EQ("y", edge->GetBinding("depfile"));
+}
+
+// Check that overridden values show up in expansion of rule-level bindings.
+TEST_F(GraphTest, DepfileOverrideParent) {
+ ASSERT_NO_FATAL_FAILURE(AssertParse(&state_,
+"rule r\n"
+" depfile = x\n"
+" command = depfile is $depfile\n"
+"build out: r in\n"
+" depfile = y\n"));
+ Edge* edge = GetNode("out")->in_edge();
+ EXPECT_EQ("depfile is y", edge->GetBinding("command"));
+}
diff --git a/src/manifest_parser.cc b/src/manifest_parser.cc
index 2d052b5..14fca73 100644
--- a/src/manifest_parser.cc
+++ b/src/manifest_parser.cc
@@ -23,6 +23,7 @@
#include "metrics.h"
#include "state.h"
#include "util.h"
+#include "version.h"
ManifestParser::ManifestParser(State* state, FileReader* file_reader)
: state_(state), file_reader_(file_reader) {
@@ -66,10 +67,15 @@ bool ManifestParser::Parse(const string& filename, const string& input,
case Lexer::IDENT: {
lexer_.UnreadToken();
string name;
- EvalString value;
- if (!ParseLet(&name, &value, err))
+ EvalString let_value;
+ if (!ParseLet(&name, &let_value, err))
return false;
- env_->AddBinding(name, value.Evaluate(env_));
+ string value = let_value.Evaluate(env_);
+ // Check ninja_required_version immediately so we can exit
+ // before encountering any syntactic surprises.
+ if (name == "ninja_required_version")
+ CheckNinjaVersion(value);
+ env_->AddBinding(name, value);
break;
}
case Lexer::INCLUDE:
@@ -154,22 +160,8 @@ bool ManifestParser::ParseRule(string* err) {
if (!ParseLet(&key, &value, err))
return false;
- if (key == "command") {
- rule->command_ = value;
- } else if (key == "depfile") {
- rule->depfile_ = value;
- } else if (key == "description") {
- rule->description_ = value;
- } else if (key == "generator") {
- rule->generator_ = true;
- } else if (key == "restat") {
- rule->restat_ = true;
- } else if (key == "rspfile") {
- rule->rspfile_ = value;
- } else if (key == "rspfile_content") {
- rule->rspfile_content_ = value;
- } else if (key == "pool") {
- rule->pool_ = value;
+ if (Rule::IsReservedBinding(key)) {
+ rule->AddBinding(key, value);
} else {
// Die on other keyvals for now; revisit if we want to add a
// scope here.
@@ -177,12 +169,13 @@ bool ManifestParser::ParseRule(string* err) {
}
}
- if (rule->rspfile_.empty() != rule->rspfile_content_.empty()) {
- return lexer_.Error("rspfile and rspfile_content need to be both specified",
- err);
+ if (rule->bindings_["rspfile"].empty() !=
+ rule->bindings_["rspfile_content"].empty()) {
+ return lexer_.Error("rspfile and rspfile_content need to be "
+ "both specified", err);
}
- if (rule->command_.empty())
+ if (rule->bindings_["command"].empty())
return lexer_.Error("expected 'command =' line", err);
state_->AddRule(rule);
@@ -296,42 +289,29 @@ bool ManifestParser::ParseEdge(string* err) {
if (!ExpectToken(Lexer::NEWLINE, err))
return false;
- // Default to using outer env.
- BindingEnv* env = env_;
- Pool* pool = NULL;
+ // XXX scoped_ptr to handle error case.
+ BindingEnv* env = new BindingEnv(env_);
- // But create and fill a nested env if there are variables in scope.
- if (lexer_.PeekToken(Lexer::INDENT)) {
- // XXX scoped_ptr to handle error case.
- env = new BindingEnv(env_);
- do {
- string key;
- EvalString val;
- if (!ParseLet(&key, &val, err))
- return false;
- if (key == "pool") {
- string pool_name = val.Evaluate(env_);
- pool = state_->LookupPool(pool_name);
- if (pool == NULL)
- return lexer_.Error("undefined pool '" + pool_name + "'", err);
- } else {
- env->AddBinding(key, val.Evaluate(env_));
- }
- } while (lexer_.PeekToken(Lexer::INDENT));
- }
+ while (lexer_.PeekToken(Lexer::INDENT)) {
+ string key;
+ EvalString val;
+ if (!ParseLet(&key, &val, err))
+ return false;
- if (pool == NULL) {
- if (!rule->pool_.empty()) {
- pool = state_->LookupPool(rule->pool_.Evaluate(env_));
- if (pool == NULL)
- return lexer_.Error("cannot resolve pool for this edge.", err);
- } else {
- pool = &State::kDefaultPool;
- }
+ env->AddBinding(key, val.Evaluate(env_));
}
- Edge* edge = state_->AddEdge(rule, pool);
+ Edge* edge = state_->AddEdge(rule);
edge->env_ = env;
+
+ string pool_name = edge->GetBinding("pool");
+ if (!pool_name.empty()) {
+ Pool* pool = state_->LookupPool(pool_name);
+ if (pool == NULL)
+ return lexer_.Error("unknown pool name", err);
+ edge->pool_ = pool;
+ }
+
for (vector<EvalString>::iterator i = ins.begin(); i != ins.end(); ++i) {
string path = i->Evaluate(env);
string path_err;
diff --git a/src/manifest_parser_test.cc b/src/manifest_parser_test.cc
index 8b00efb..4ac093f 100644
--- a/src/manifest_parser_test.cc
+++ b/src/manifest_parser_test.cc
@@ -61,7 +61,8 @@ TEST_F(ParserTest, Rules) {
ASSERT_EQ(3u, state.rules_.size());
const Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("cat", rule->name());
- EXPECT_EQ("[cat ][$in][ > ][$out]", rule->command().Serialize());
+ EXPECT_EQ("[cat ][$in][ > ][$out]",
+ rule->GetBinding("command")->Serialize());
}
TEST_F(ParserTest, RuleAttributes) {
@@ -92,8 +93,9 @@ TEST_F(ParserTest, IgnoreIndentedComments) {
ASSERT_EQ(2u, state.rules_.size());
const Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("cat", rule->name());
- EXPECT_TRUE(rule->restat());
- EXPECT_FALSE(rule->generator());
+ Edge* edge = state.GetNode("result")->in_edge();
+ EXPECT_TRUE(edge->GetBindingBool("restat"));
+ EXPECT_FALSE(edge->GetBindingBool("generator"));
}
TEST_F(ParserTest, IgnoreIndentedBlankLines) {
@@ -124,9 +126,10 @@ TEST_F(ParserTest, ResponseFiles) {
ASSERT_EQ(2u, state.rules_.size());
const Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("cat_rsp", rule->name());
- EXPECT_EQ("[cat ][$rspfile][ > ][$out]", rule->command().Serialize());
- EXPECT_EQ("[$rspfile]", rule->rspfile().Serialize());
- EXPECT_EQ("[$in]", rule->rspfile_content().Serialize());
+ EXPECT_EQ("[cat ][$rspfile][ > ][$out]",
+ rule->GetBinding("command")->Serialize());
+ EXPECT_EQ("[$rspfile]", rule->GetBinding("rspfile")->Serialize());
+ EXPECT_EQ("[$in]", rule->GetBinding("rspfile_content")->Serialize());
}
TEST_F(ParserTest, InNewline) {
@@ -140,7 +143,8 @@ TEST_F(ParserTest, InNewline) {
ASSERT_EQ(2u, state.rules_.size());
const Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("cat_rsp", rule->name());
- EXPECT_EQ("[cat ][$in_newline][ > ][$out]", rule->command().Serialize());
+ EXPECT_EQ("[cat ][$in_newline][ > ][$out]",
+ rule->GetBinding("command")->Serialize());
Edge* edge = state.edges_[0];
EXPECT_EQ("cat in\nin2 > out", edge->EvaluateCommand());
@@ -200,7 +204,7 @@ TEST_F(ParserTest, Continuation) {
ASSERT_EQ(2u, state.rules_.size());
const Rule* rule = state.rules_.begin()->second;
EXPECT_EQ("link", rule->name());
- EXPECT_EQ("[foo bar baz]", rule->command().Serialize());
+ EXPECT_EQ("[foo bar baz]", rule->GetBinding("command")->Serialize());
}
TEST_F(ParserTest, Backslash) {
@@ -291,7 +295,8 @@ TEST_F(ParserTest, ReservedWords) {
TEST_F(ParserTest, Errors) {
{
- ManifestParser parser(NULL, NULL);
+ State state;
+ ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.ParseTest("foobar", &err));
EXPECT_EQ("input:1: expected '=', got eof\n"
@@ -301,7 +306,8 @@ TEST_F(ParserTest, Errors) {
}
{
- ManifestParser parser(NULL, NULL);
+ State state;
+ ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.ParseTest("x 3", &err));
EXPECT_EQ("input:1: expected '=', got identifier\n"
@@ -311,7 +317,8 @@ TEST_F(ParserTest, Errors) {
}
{
- ManifestParser parser(NULL, NULL);
+ State state;
+ ManifestParser parser(&state, NULL);
string err;
EXPECT_FALSE(parser.ParseTest("x = 3", &err));
EXPECT_EQ("input:1: unexpected EOF\n"
diff --git a/src/msvc_helper_main-win32.cc b/src/msvc_helper_main-win32.cc
index 152450e..0bbe98b 100644
--- a/src/msvc_helper_main-win32.cc
+++ b/src/msvc_helper_main-win32.cc
@@ -44,6 +44,31 @@ void PushPathIntoEnvironment(const string& env_block) {
}
}
+void WriteDepFileOrDie(const char* object_path, CLWrapper* cl) {
+ string depfile_path = string(object_path) + ".d";
+ FILE* depfile = fopen(depfile_path.c_str(), "w");
+ if (!depfile) {
+ unlink(object_path);
+ Fatal("opening %s: %s", depfile_path.c_str(), GetLastErrorString().c_str());
+ }
+ if (fprintf(depfile, "%s: ", object_path) < 0) {
+ unlink(object_path);
+ fclose(depfile);
+ unlink(depfile_path.c_str());
+ Fatal("writing %s", depfile_path.c_str());
+ }
+ vector<string> headers = cl->GetEscapedResult();
+ for (vector<string>::iterator i = headers.begin(); i != headers.end(); ++i) {
+ if (fprintf(depfile, "%s\n", i->c_str()) < 0) {
+ unlink(object_path);
+ fclose(depfile);
+ unlink(depfile_path.c_str());
+ Fatal("writing %s", depfile_path.c_str());
+ }
+ }
+ fclose(depfile);
+}
+
} // anonymous namespace
int MSVCHelperMain(int argc, char** argv) {
@@ -95,17 +120,7 @@ int MSVCHelperMain(int argc, char** argv) {
cl.SetEnvBlock((void*)env.data());
int exit_code = cl.Run(command);
- string depfile = string(output_filename) + ".d";
- FILE* output = fopen(depfile.c_str(), "w");
- if (!output) {
- Fatal("opening %s: %s", depfile.c_str(), GetLastErrorString().c_str());
- }
- fprintf(output, "%s: ", output_filename);
- vector<string> headers = cl.GetEscapedResult();
- for (vector<string>::iterator i = headers.begin(); i != headers.end(); ++i) {
- fprintf(output, "%s\n", i->c_str());
- }
- fclose(output);
+ WriteDepFileOrDie(output_filename, &cl);
return exit_code;
}
diff --git a/src/ninja.cc b/src/ninja.cc
index 08d4b14..9529a50 100644
--- a/src/ninja.cc
+++ b/src/ninja.cc
@@ -15,6 +15,7 @@
#include <errno.h>
#include <limits.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -41,6 +42,7 @@
#include "metrics.h"
#include "state.h"
#include "util.h"
+#include "version.h"
// Defined in msvc_helper_main-win32.cc.
int MSVCHelperMain(int argc, char** argv);
@@ -49,7 +51,7 @@ namespace {
/// The version number of the current Ninja release. This will always
/// be "git" on trunk.
-const char* kVersion = "1.1.0";
+const char* kVersion = "1.2.0";
/// Global information passed into subtools.
struct Globals {
@@ -109,7 +111,7 @@ void Usage(const BuildConfig& config) {
" -C DIR change to DIR before doing anything else\n"
" -f FILE specify input build file [default=build.ninja]\n"
"\n"
-" -j N run N jobs in parallel [default=%d]\n"
+" -j N run N jobs in parallel [default=%d, derived from CPUs available]\n"
" -l N do not start new jobs if the load average is greater than N\n"
#ifdef _WIN32
" (not yet implemented on Windows)\n"
@@ -121,7 +123,7 @@ void Usage(const BuildConfig& config) {
" -d MODE enable debugging (use -d list to list modes)\n"
" -t TOOL run a subtool (use -t list to list subtools)\n"
" terminates toplevel options; further flags are passed to the tool\n",
- kVersion, config.parallelism);
+ kNinjaVersion, config.parallelism);
}
/// Choose a default value for the -j (parallelism) flag.
@@ -410,23 +412,6 @@ int ToolTargets(Globals* globals, int argc, char* argv[]) {
}
}
-int ToolRules(Globals* globals, int argc, char* /* argv */[]) {
- for (map<string, const Rule*>::iterator i = globals->state->rules_.begin();
- i != globals->state->rules_.end(); ++i) {
- if (i->second->description().empty()) {
- printf("%s\n", i->first.c_str());
- } else {
- printf("%s: %s\n",
- i->first.c_str(),
- // XXX I changed it such that we don't have an easy way
- // to get the source text anymore, so this output is
- // unsatisfactory. How useful is this command, anyway?
- i->second->description().Serialize().c_str());
- }
- }
- return 0;
-}
-
void PrintCommands(Edge* edge, set<Edge*>* seen) {
if (!edge)
return;
@@ -505,6 +490,49 @@ int ToolClean(Globals* globals, int argc, char* argv[]) {
}
}
+void EncodeJSONString(const char *str) {
+ while (*str) {
+ if (*str == '"' || *str == '\\')
+ putchar('\\');
+ putchar(*str);
+ str++;
+ }
+}
+
+int ToolCompilationDatabase(Globals* globals, int argc, char* argv[]) {
+ bool first = true;
+ char cwd[PATH_MAX];
+
+ if (!getcwd(cwd, PATH_MAX)) {
+ Error("cannot determine working directory: %s", strerror(errno));
+ return 1;
+ }
+
+ putchar('[');
+ for (vector<Edge*>::iterator e = globals->state->edges_.begin();
+ e != globals->state->edges_.end(); ++e) {
+ for (int i = 0; i != argc; ++i) {
+ if ((*e)->rule_->name() == argv[i]) {
+ if (!first)
+ putchar(',');
+
+ printf("\n {\n \"directory\": \"");
+ EncodeJSONString(cwd);
+ printf("\",\n \"command\": \"");
+ EncodeJSONString((*e)->EvaluateCommand().c_str());
+ printf("\",\n \"file\": \"");
+ EncodeJSONString((*e)->inputs_[0]->path().c_str());
+ printf("\"\n }");
+
+ first = false;
+ }
+ }
+ }
+
+ puts("\n]");
+ return 0;
+}
+
int ToolUrtle(Globals* globals, int argc, char** argv) {
// RLE encoded.
const char* urtle =
@@ -551,10 +579,10 @@ int ChooseTool(const string& tool_name, const Tool** tool_out) {
Tool::RUN_AFTER_LOAD, ToolGraph },
{ "query", "show inputs/outputs for a path",
Tool::RUN_AFTER_LOAD, ToolQuery },
- { "rules", "list all rules",
- Tool::RUN_AFTER_LOAD, ToolRules },
{ "targets", "list targets by their rule or depth in the DAG",
Tool::RUN_AFTER_LOAD, ToolTargets },
+ { "compdb", "dump JSON compilation database to stdout",
+ Tool::RUN_AFTER_LOAD, ToolCompilationDatabase },
{ "urtle", NULL,
Tool::RUN_AFTER_FLAGS, ToolUrtle },
{ NULL, NULL, Tool::RUN_AFTER_FLAGS, NULL }
@@ -605,7 +633,14 @@ bool DebugEnable(const string& name, Globals* globals) {
g_explaining = true;
return true;
} else {
- printf("ninja: unknown debug setting '%s'\n", name.c_str());
+ const char* suggestion =
+ SpellcheckString(name, "stats", "explain", NULL);
+ if (suggestion) {
+ Error("unknown debug setting '%s', did you mean '%s'?",
+ name.c_str(), suggestion);
+ } else {
+ Error("unknown debug setting '%s'", name.c_str());
+ }
return false;
}
}
@@ -791,7 +826,7 @@ int NinjaMain(int argc, char** argv) {
working_dir = optarg;
break;
case OPT_VERSION:
- printf("%s\n", kVersion);
+ printf("%s\n", kNinjaVersion);
return 0;
case 'h':
default:
diff --git a/src/state.cc b/src/state.cc
index bb0cc15..9f46fee 100644
--- a/src/state.cc
+++ b/src/state.cc
@@ -35,23 +35,25 @@ void Pool::EdgeFinished(const Edge& edge) {
void Pool::DelayEdge(Edge* edge) {
assert(depth_ != 0);
- delayed_.push_back(edge);
+ delayed_.insert(edge);
}
void Pool::RetrieveReadyEdges(set<Edge*>* ready_queue) {
- while (!delayed_.empty()) {
- Edge* edge = delayed_.front();
+ DelayedEdges::iterator it = delayed_.begin();
+ while (it != delayed_.end()) {
+ Edge* edge = *it;
if (current_use_ + edge->weight() > depth_)
break;
- delayed_.pop_front();
ready_queue->insert(edge);
EdgeScheduled(*edge);
+ ++it;
}
+ delayed_.erase(delayed_.begin(), it);
}
void Pool::Dump() const {
printf("%s (%d/%d) ->\n", name_.c_str(), current_use_, depth_);
- for (deque<Edge*>::const_iterator it = delayed_.begin();
+ for (DelayedEdges::const_iterator it = delayed_.begin();
it != delayed_.end(); ++it)
{
printf("\t");
@@ -59,6 +61,13 @@ void Pool::Dump() const {
}
}
+bool Pool::WeightedEdgeCmp(const Edge* a, const Edge* b) {
+ if (!a) return b;
+ if (!b) return false;
+ int weight_diff = a->weight() - b->weight();
+ return ((weight_diff < 0) || (weight_diff == 0 && a < b));
+}
+
Pool State::kDefaultPool("", 0);
const Rule State::kPhonyRule("phony");
@@ -91,10 +100,10 @@ Pool* State::LookupPool(const string& pool_name) {
return i->second;
}
-Edge* State::AddEdge(const Rule* rule, Pool* pool) {
+Edge* State::AddEdge(const Rule* rule) {
Edge* edge = new Edge();
edge->rule_ = rule;
- edge->pool_ = pool;
+ edge->pool_ = &State::kDefaultPool;
edge->env_ = &bindings_;
edges_.push_back(edge);
return edge;
diff --git a/src/state.h b/src/state.h
index 918fe09..7e3aead 100644
--- a/src/state.h
+++ b/src/state.h
@@ -39,7 +39,7 @@ struct Rule;
/// completes).
struct Pool {
explicit Pool(const string& name, int depth)
- : name_(name), current_use_(0), depth_(depth) { }
+ : name_(name), current_use_(0), depth_(depth), delayed_(&WeightedEdgeCmp) { }
// A depth of 0 is infinite
bool is_valid() const { return depth_ >= 0; }
@@ -66,9 +66,7 @@ struct Pool {
/// Dump the Pool and its edges (useful for debugging).
void Dump() const;
-private:
- int UnitsWaiting() { return delayed_.size(); }
-
+ private:
string name_;
/// |current_use_| is the total of the weights of the edges which are
@@ -76,7 +74,10 @@ private:
int current_use_;
int depth_;
- deque<Edge*> delayed_;
+ static bool WeightedEdgeCmp(const Edge* a, const Edge* b);
+
+ typedef set<Edge*,bool(*)(const Edge*, const Edge*)> DelayedEdges;
+ DelayedEdges delayed_;
};
/// Global state (file status, loaded rules) for a single run.
@@ -92,7 +93,7 @@ struct State {
void AddPool(Pool* pool);
Pool* LookupPool(const string& pool_name);
- Edge* AddEdge(const Rule* rule, Pool* pool);
+ Edge* AddEdge(const Rule* rule);
Node* GetNode(StringPiece path);
Node* LookupNode(StringPiece path);
diff --git a/src/state_test.cc b/src/state_test.cc
index 26177ff..af2bff1 100644
--- a/src/state_test.cc
+++ b/src/state_test.cc
@@ -29,10 +29,10 @@ TEST(State, Basic) {
command.AddSpecial("out");
Rule* rule = new Rule("cat");
- rule->set_command(command);
+ rule->AddBinding("command", command);
state.AddRule(rule);
- Edge* edge = state.AddEdge(rule, &State::kDefaultPool);
+ Edge* edge = state.AddEdge(rule);
state.AddIn(edge, "in1");
state.AddIn(edge, "in2");
state.AddOut(edge, "out");
diff --git a/src/util.cc b/src/util.cc
index 4b2900f..91e8fad 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -39,7 +39,7 @@
#elif defined(__SVR4) && defined(__sun)
#include <unistd.h>
#include <sys/loadavg.h>
-#elif defined(linux)
+#elif defined(linux) || defined(__GLIBC__)
#include <sys/sysinfo.h>
#endif
@@ -295,7 +295,7 @@ string StripAnsiEscapeCodes(const string& in) {
return stripped;
}
-#if defined(linux)
+#if defined(linux) || defined(__GLIBC__)
int GetProcessorCount() {
return get_nprocs();
}
@@ -325,7 +325,7 @@ int GetProcessorCount() {
}
#endif
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
double GetLoadAverage() {
// TODO(nicolas.despres@gmail.com): Find a way to implement it on Windows.
// Remember to also update Usage() when this is fixed.
diff --git a/src/util.h b/src/util.h
index 2b59283..3c2a297 100644
--- a/src/util.h
+++ b/src/util.h
@@ -76,6 +76,8 @@ string ElideMiddle(const string& str, size_t width);
#define unlink _unlink
#define chdir _chdir
#define strtoull _strtoui64
+#define getcwd _getcwd
+#define PATH_MAX _MAX_PATH
#endif
#ifdef _WIN32
diff --git a/src/version.cc b/src/version.cc
new file mode 100644
index 0000000..b3a93d1
--- /dev/null
+++ b/src/version.cc
@@ -0,0 +1,57 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "version.h"
+
+#include <stdlib.h>
+
+#include "util.h"
+
+const char* kNinjaVersion = "1.1.0.git";
+
+void ParseVersion(const string& version, int* major, int* minor) {
+ size_t end = version.find('.');
+ *major = atoi(version.substr(0, end).c_str());
+ *minor = 0;
+ if (end != string::npos) {
+ size_t start = end + 1;
+ end = version.find('.', start);
+ *minor = atoi(version.substr(start, end).c_str());
+ }
+}
+
+void CheckNinjaVersion(const string& version) {
+ int bin_major, bin_minor;
+ ParseVersion(kNinjaVersion, &bin_major, &bin_minor);
+ int file_major, file_minor;
+ ParseVersion(version, &file_major, &file_minor);
+
+ if (bin_major > file_major) {
+ Warning("ninja executable version (%s) greater than build file "
+ "ninja_required_version (%s); versions may be incompatible.",
+ kNinjaVersion, version.c_str());
+ return;
+ }
+
+ if ((bin_major == file_major && bin_minor < file_minor) ||
+ bin_major < file_major) {
+ Fatal("ninja version (%s) incompatible with build file "
+ "ninja_required_version version (%s).",
+ kNinjaVersion, version.c_str());
+ }
+}
+
+
+
+
diff --git a/src/version.h b/src/version.h
new file mode 100644
index 0000000..bd6b9ff
--- /dev/null
+++ b/src/version.h
@@ -0,0 +1,32 @@
+// Copyright 2013 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef NINJA_VERSION_H_
+#define NINJA_VERSION_H_
+
+#include <string>
+using namespace std;
+
+/// The version number of the current Ninja release. This will always
+/// be "git" on trunk.
+extern const char* kNinjaVersion;
+
+/// Parse the major/minor components of a version string.
+void ParseVersion(const string& version, int* major, int* minor);
+
+/// Check whether \a version is compatible with the current Ninja version,
+/// aborting if not.
+void CheckNinjaVersion(const string& required_version);
+
+#endif // NINJA_VERSION_H_
generated by cgit v0.12 at 2024-08-22 09:11:54 (GMT)