[Pkg-debile-commits] [debile-slave] 11/28: add coccinelle worker

[Sylvestre Ledru]

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sylvestre pushed a commit to branch master
in repository debile-slave.

commit d133b5e95ed166b4d8f8c200d95aeefb7258fc55
Author: Matthieu Caneill <matthieu.caneill42 at gmail.com>
Date:   Mon Aug 12 09:59:32 2013 +0200

    add coccinelle worker
    
    Located in ethel/[wrappers|runners|commands]/coccinelle.py,
    it adds the possibility to run coccinelle static tool on C files.
---
 ethel/commands/__init__.py   |    1 +
 ethel/commands/coccinelle.py |   27 +++++++++++++++++++++
 ethel/runners/coccinelle.py  |   53 ++++++++++++++++++++++++++++++++++++++++++
 ethel/wrappers/coccinelle.py |   11 +++++++++
 4 files changed, 92 insertions(+)

diff --git a/ethel/commands/__init__.py b/ethel/commands/__init__.py
index ec11e60..28dbf03 100644
--- a/ethel/commands/__init__.py
+++ b/ethel/commands/__init__.py
@@ -6,6 +6,7 @@ PLUGINS = {
     "pep8": "ethel.commands.pep8",
     "perlcritic": "ethel.commands.perlcritic",
     "cppcheck": "ethel.commands.cppcheck",
+    "coccinelle": "ethel.commands.coccinelle",
 
     "lintian": "ethel.commands.lintian",
     "lintian4py": "ethel.commands.lintian4py",
diff --git a/ethel/commands/coccinelle.py b/ethel/commands/coccinelle.py
new file mode 100644
index 0000000..6636703
--- /dev/null
+++ b/ethel/commands/coccinelle.py
@@ -0,0 +1,27 @@
+from ethel.runners.coccinelle import coccinelle, version
+
+### Coccinelle worker ###
+
+# 1/ install last Coccinelle development version
+
+# download it from http://coccinelle.lip6.fr/download.php
+# the version must be 1.0.0-rc18 or newer
+# $ cd coccinelle
+# $ ./configure --enable-python
+# $ make
+# $ sudo make install
+
+# 2/ get the semantic patches
+
+# $ bin/update-coccinelle-semantic-patches coccinelle_sp
+
+# 3/ put in config.ini the path of coccinelle_sp
+
+# coccinelle_patches_folder: /path/to/coccinelle_sp
+
+
+def run(dsc, package, job, firehose):
+    return coccinelle(dsc, firehose)
+
+def get_version():
+    return version()
diff --git a/ethel/runners/coccinelle.py b/ethel/runners/coccinelle.py
new file mode 100644
index 0000000..d8f94b3
--- /dev/null
+++ b/ethel/runners/coccinelle.py
@@ -0,0 +1,53 @@
+from ethel.wrappers.coccinelle import parse_coccinelle
+from ethel.utils import run_command, cd
+from ethel.config import load
+import os
+import glob
+
+def list_semantic_patches():
+    config = load(location="/home/matthieu/work/debian/ethel/config.ini")
+    print config["coccinelle_patches_folder"]
+    return glob.iglob(config["coccinelle_patches_folder"] + "*/*.cocci")
+
+def coccinelle(dsc, analysis):
+    run_command(["dpkg-source", "-x", dsc, "source"])
+    with cd('source'):
+        complete_out = ""
+        failed = False
+        for semantic_patch in list_semantic_patches():
+            print(semantic_patch)
+            out, err, ret = run_command([
+                    "spatch",
+                    "-D", "firehose",
+                    "--cocci-file", semantic_patch,
+                    "--dir", ".",
+                    "--no-show-diff",
+                    "--timeout", "120",
+                    ])
+            failed = (ret != 0) or failed
+            
+            for result in parse_coccinelle(out):
+                analysis.results.append(result)
+            
+            complete_out += out
+    
+    return (analysis, complete_out, failed)
+
+def version():
+    out, err, ret = run_command(["spatch", "--version"])
+    if ret != 0:
+        raise Exception("spatch seems not to be installed")
+    try:
+        out = out.split()[2] # we only extract the version number
+    except:
+        out = out.strip()
+    return out
+
+
+if __name__ == "__main__":
+    import firehose.model
+    analysis = firehose.model.Analysis(
+        metadata=firehose.model.Metadata(firehose.model.Generator("foo"),
+                                         None, None, None),
+        results=[])
+    print(coccinelle("fontforge_20120731.b-3.dsc", analysis))
diff --git a/ethel/wrappers/coccinelle.py b/ethel/wrappers/coccinelle.py
new file mode 100644
index 0000000..bcb19f2
--- /dev/null
+++ b/ethel/wrappers/coccinelle.py
@@ -0,0 +1,11 @@
+import StringIO
+from firehose.model import Analysis
+
+def parse_coccinelle(lines):
+    # we have to emulate a file for from_xml()
+    firehose = StringIO.StringIO(lines)
+    analysis = Analysis.from_xml(firehose)
+    
+    for result in analysis.results:
+        yield result
+

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