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76 commits

Author SHA1 Message Date
Dan Willemsen
121e284b46 Fix link_type checking
This was printing "error:", but not actually triggering an error.
Instead of trying to write a single line bash script to handle this,
move the actual check into python. This allows us to print all of the
errors for a single module before triggering the failure.

Also updates the warning format and the warn.py script to properly parse
these warning. Many of the java:sdk -> java:platform warnings are false
positives due to the lack of LOCAL_SDK_VERSION markings on prebuilts.

Individual tags can be marked as warnings now, which lets us check for
system libraries linking against vendor libraries (which won't work on
AOSP). I'm not sure this is a completely valid check, which one reason
that it's just a warning.

Test: m all_link_types (with some missing libs commented out)
Change-Id: I333e418c9a4511b7c7e826891ae481da08fbf6f9
2016-09-15 14:40:39 -07:00
Chih-Hung Hsieh
e41c99b721 Emit a table of warnings by project and severity.
* Use 't1' CSS class for main warning tables,
  and default table style for new warning count table.
* Count total skipped warnings.
* Append count of warnings in each severity header.
* Fix some skipped warning patterns and count/dump skipped warnings.
* Add dumpskippedanchors function to fix expand_collapse
  error when --byproject flag is used and severity.SKIP
  is not emitted.
* Minor coding style changes:
  * Loop through severity.kinds.
  * Remove unused import.
  * Add spaces around assignment operators.
  * Adjust indentation.

Bug: 31377083
Test: run warn.py with build.log
Change-Id: I68949edc4601b10ea2f7ac84e48e6c3da4ab1e4f
2016-09-13 10:18:01 -07:00
Chih-Hung Hsieh
0862c48770 Recognize new clang-tidy and Java warnings.
Test: run warn.py with build.log
Change-Id: I11ff844bcfd7fb13aef8909307bc7eb1f5ee9b2a
2016-09-07 05:27:16 +00:00
Chih-Hung Hsieh
01530a6ff2 Recognize new warning messages.
* Generalize regular expression to match new warning messages.
* Remove old unused pattern.

Change-Id: I54f2e5bdb255b290cb3751ba56558f5fe8d7245e
Test: Run warn.py with build.log
2016-08-24 20:53:27 +00:00
Chih-Hung Hsieh
d9cd1fafb5 Issue warning on projects with LOCAL_CLANG set to false.
* LOCAL_CLANG_EXCEPTION_PROJECTS is the list of project prefixes.
* New warning message is detected by warn.py as high severity.

Bug: 30575506
Change-Id: I87a38b2ba6bab1d2e5e7a9d5ec9557f0e609727c
Test: build and find new warning in build.log
2016-08-02 16:10:49 -07:00
Treehugger Robot
620ce44a7a Merge "Add option to dump HTML warnings per project." 2016-07-26 23:04:29 +00:00
Chih-Hung Hsieh
4354a33874 Add option to dump HTML warnings per project.
* Use --byproject flag to dump warnings in HTML file by projects.
* Add external/google and vendor/google projects, vs other
  external/non-google and vendor/non-google projects.
* Refactor code in dumpcategory to dump warnings by projects
  when --byproject is specified.
* Recognize new compiler -Wvarargs warning pattern.
* No change to default HTML output format.

Change-Id: I2406ad392ab18683357ff0ee0cf6c41f87cf399c
Test: run through current build.log files.
2016-07-26 14:53:28 -07:00
Chih-Hung Hsieh
c868293abc Add performance* to default global tidy checks.
* This enables 5 performance related checks:
    performance-faster-string-find
    performance-for-range-copy
    performance-implicit-cast-in-loop
    performance-unnecessary-copy-initialization
    performance-unnecessary-value-param
* Recognize these new warnings in warn.py.

Bug: http://b/27779618
Change-Id: I7af3fdc262dd44db90d3b62eb37c5eac5a2eaa01
Test: build with WITH_TIDY=1 and run warn.py with build.log
2016-07-26 14:36:54 -07:00
Chih-Hung Hsieh
48a16ba709 Count warnings per project and dump out CSV format.
* No change to html output, except removing unused "PageTop" anchor.
* Add --gencsv flag to output a CSV file instead of html file.
  CSV files are combined to a table for dashboard charts.
* Count warnings from selected source project directories.
* CSV output lines are:
   num_of_warnings,project_name,warning_description
* project_name is empty for sum of warnings from all projects.
* warning_description could be:
  (1) "<severity>: <warning type description>"
      for one warning type, or
  (2) "<severity> warnings"
      for all warning types of the severity.

Change-Id: I1cf976ed0cf142091226b22665b7f28d383608fd
Test: run through current build.log files.
2016-07-21 14:43:02 -07:00
Chih-Hung Hsieh
c21ddbdcce Recognize new clang and clang-tidy warnings.
* Count new clang-tidy warnings:
    google-runtime-references
    google-runtime-operator
* Count new clang warnings:
    -Wconst-conversion similar to -Wliteral-conversion
    -Wundefined-var-template
* Modified static analyzer warning message about
    "Null passed to a callee that requires a non-null ..."
* Disable google-runtime-references by default and
  disable misc-macro-parentheses in vendor projects;
  too many old C/C++ code have this warning.

Change-Id: Ib35e0af85875aada17c92b0237b76cd5ae3bfcc8
Test: build with clang-tidy.
2016-07-20 14:45:01 -07:00
Chih-Hung Hsieh
5ecafd1260 Avoid matching the same warning line twice.
Used to skip only immediately followed identical warning lines.
Now classifywarning is called only once for each unique warning line.

Change-Id: Ie3b77ded70b41dafad91c042dbe15ad2be119e62
Test: run through build.log file
2016-07-18 15:27:02 -07:00
Chih-Hung Hsieh
8d14543a9b Recognize new C/C++ compiler and static analyzer warnings.
Change-Id: I5f47c45498c640702922704aa5305a85e9493fcc
Test: run with Android build.log.
2016-07-06 10:22:23 -07:00
Chih-Hung Hsieh
465b610183 Add +/- buttons to expand/collapse warning categories.
* Add expand/collapse-all buttons to expand/collapse all warnings.
* Use HTML styles to reduce output file size.

Change-Id: Ica188cc4f123ce0ab8547f88315325c3e0560a39
Test: Checked output html file with Chrome browser.
2016-06-23 13:18:58 -07:00
Ian Rogers
6e52003b54 Make Error Prone warnings in sync with Error Prone documenation.
Use summary information from annotation within Error Prone to auto-generate
the warnings list.

Bug: 28681096
Change-Id: Ib3a5f734bd229726fcd7332eaa9e0e1bd1200c25
2016-05-13 10:18:18 -07:00
Ian Rogers
f382973250 Add code search links to warnings.
Add argument parsing using the argparse library.
Make HTML easier to read by adding a \n after each table row.

Change-Id: I6b745fc60afb96fb51e5f69df7d607b5fb8da0e5
2016-05-10 22:36:38 -07:00
Ian Rogers
32bb9bd03a Add error prone patterns to warn.py
Bug: 28681096

(cherry picked from commit df79adacab)
Change-Id: I06ac0ed4593b03cea0a8163ca85e393ff1358855
2016-05-10 13:54:36 -07:00
Ian Rogers
2f4ce82d13 Sort warnings with most frequent first.
Change-Id: Id608c20d065bec83dcb2993658cc743d5e9dcb46
2016-05-10 09:34:29 -07:00
Chih-Hung Hsieh
d742e90fe9 Recognize more Clang-Tidy google warning patterns.
* Many AOSP C/C++ code have google-readability warnings.

Bug: http://b/27779618
Change-Id: Ic7d33b957da5c1062410f48ef18bb68a5aa259e9
2016-03-31 16:14:55 -07:00
Chih-Hung Hsieh
90d4619f02 Recognize Clang-Tidy warning messages.
* Put all Clang-Tidy warning messages in a group for now.
  There are too many coding style warnings.
* Change the 'top' link to the top of the page.
* Add a few more new clang compiler warnings.

Bug: http://b/27779618
Change-Id: I385b9db927a397704b56f53440301352da8694cf
2016-03-29 15:33:11 -07:00
Chih-Hung Hsieh
a9be47e782 Dump table of warning counts before all warnings.
* The table of warning counts has links to each warning pattern section,
  which has a new anchor.
* Each warning pattern section has a new link to the 'top' of the table
  of warning counts.
* Background color of unknown warnings is changed to more visible light blue.

BUG: 27698849
Change-Id: Ia3d4a8511bd42f44f6a47afcb9c3889f6d62b9f2
2016-03-22 10:44:11 -07:00
Chih-Hung Hsieh
ba0ddcd099 Add more patterns, dump sorted unique warnings.
* Sort and remove duplicated warning messages.
* Recognize more warning message patterns from new clang compiler.

BUG: http://b/27698849

Change-Id: Iebbe8600353269d8c2d49ef9d97a72be1d978a24
2016-03-22 16:31:18 +00:00
Chih-Hung Hsieh
f8aaf60ceb Classify more warning patterns.
Some warnings are from clang static analyzer
and they do not have compiler -W flag.

BUG: 27698849
Change-Id: I3d1fc9c2d6c60100e87f8ea201d3f8314370fccd
2016-03-16 15:15:40 -07:00
Marco Nelissen
8e20196b81 Update warn.py with more warnings
Change-Id: Ic65e6effe2be60d6a6c2a53c6acf356ad9e7ea94
2010-03-10 16:16:02 -08:00
Marco Nelissen
2bdc7ec9cf Speed up warn.py about 30x by precompiling all the regular expressions. 2009-09-29 10:19:29 -07:00
Marco Nelissen
5236fbde30 Update warn.py with the latest warnings that popped up in the build. 2009-07-31 09:02:11 -07:00
Marco Nelissen
594375db5f Python script to parse a build log and present the warnings in html 2009-07-14 12:22:29 -07:00