Make Ninja backend robust to rules and actions containing slashes

Make backends robust to rules and actions containing slashes 

TEST=test/sanitize-rule-names/

r1411

[Nico, 2012-06-07 14:35:38]

Can you add a test for this?

[Steve Block, 2012-06-07 15:20:46]

I've updated the patch to use the approach in
https://chromiumcodereview.appspot.com/10269012 and expanded an existing test

[Nico, 2012-06-07 15:32:58]

xcode doesn't like / in rule names either:

/usr/bin/python test/sanitize-rule-names/gyptest-sanitize-rule-names.py
None returned 1
STDOUT =========================================================================

STDERR =========================================================================
Traceback (most recent call last):
  File "/Volumes/MacintoshHD2/src/gyp-rw/gyp", line 18, in <module>
    sys.exit(gyp.main(sys.argv[1:]))
  File "/Volumes/MacintoshHD2/src/gyp-rw/pylib/gyp/__init__.py", line 480, in
main
    generator.GenerateOutput(flat_list, targets, data, params)
  File "/Volumes/MacintoshHD2/src/gyp-rw/pylib/gyp/generator/xcode.py", line
934, in GenerateOutput
    makefile = open(makefile_path, 'wb')
IOError: [Errno 2] No such file or directory:
'sanitize-rule-names.xcodeproj/s_test_rule name with odd characters ()/.make'

FAILED test at line 423 of
/Volumes/MacintoshHD2/src/gyp-rw/test/lib/TestCommon.py (_complete)
	from line 540 of /Volumes/MacintoshHD2/src/gyp-rw/test/lib/TestCommon.py (run)
	from line 244 of /Volumes/MacintoshHD2/src/gyp-rw/test/lib/TestGyp.py (run)
	from line 231 of /Volumes/MacintoshHD2/src/gyp-rw/test/lib/TestGyp.py (run_gyp)
	from line 15 of test/sanitize-rule-names/gyptest-sanitize-rule-names.py
/usr/bin/python test/scons_tools/gyptest-tools.py

[Steve Block, 2012-06-07 15:34:37]

Make Ninja backend robust to rules and actions containing slashes 

TEST=test/sanitize-rule-names/

[Steve Block, 2012-06-07 16:09:23]

Have fixed all backends - trybots now seem happy

[Nico, 2012-06-07 16:40:51]

lgtm

r1411, thanks!