/usr/share/gps/plug-ins/gnatmetric.py is in gnat-gps-common 5.3dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import GPS
# Initialize the targets
xml_base = """
<target-model name="gnatmetrics" category="">
<description>Generic launch of gnat metrics</description>
<command-line>
<arg>%attr(ide'gnat,gnat)</arg>
<arg>metric</arg>
<arg>-dd</arg>
<arg>-x</arg>
<arg>-P%pp</arg>
<arg>%X</arg>
</command-line>
<icon>gps-semantic-check</icon>
<switches command="%(tool_name)s" columns="2" lines="2">
<title column="1" line="1">Complexity metrics</title>
<title column="1" line="2">Line metrics</title>
<title column="2" line="1">Syntax element metrics</title>
<title column="2" line="2">Coupling metrics</title>
<check label="all complexity metrics"
line="1" column="1"
switch="--complexity-all"
tip="all complexity metrics" />
<check label="McCabe Cyclomatic Complexity"
line="1" column="1"
switch="--complexity-cyclomatic"
tip="McCabe Cyclomatic Complexity" />
<check label="Essential Complexity"
line="1" column="1"
switch="--complexity-essential"
tip="Essential Complexity" />
<check label="average McCabe Cyclomatic Complexity of a body"
line="1" column="1"
switch="--complexity-average"
tip="average McCabe Cyclomatic Complexity of a body" />
<check label="maximal loop nesting level"
line="1" column="1"
switch="--loop-nesting"
tip="maximal loop nesting level" />
<check label="do not count static loops for cyclomatic complexity"
line="1" column="1"
switch="--no-static-loop"
tip="do not count static loops for cyclomatic complexity" />
<check label="do not consider exit statements as gotos"
line="1" column="1"
switch="-ne"
tip="do not consider exit statements as gotos when computing Essential Complexity" />
<check label="extra exit points in subprograms"
line="1" column="1"
switch="--extra-exit-points"
tip="extra exit points in subprograms" />
<check label="all line metrics"
line="1" column="2"
switch="--lines-all"
tip="all line metrics" />
<check label="number of all lines"
line="1" column="2"
switch="--lines"
tip="number of all lines" />
<check label="number of code lines"
line="1" column="2"
switch="--lines-code"
tip="number of code lines" />
<check label="number of comment lines"
line="1" column="2"
switch="--lines-comment"
tip="number of comment lines" />
<check label="number of code lines also containing comments"
line="1" column="2"
switch="--lines-eol-comment"
tip="number of code lines also containing comments" />
<check label="comment/code lines percentage"
line="1" column="2"
switch="--lines-ratio"
tip="comment/code lines percentage" />
<check label="number of blank lines"
line="1" column="2"
switch="--lines-blank"
tip="number of blank lines" />
<check label="average number of code lines in a body"
line="1" column="2"
switch="--lines-average"
tip="average number of code lines in a body" />
<check label="all syntax element metrics"
line="2" column="1"
switch="--syntax-all"
tip="all syntax element metrics" />
<check label="total number of declarations"
line="2" column="1"
switch="--declarations"
tip="total number of declarations" />
<check label="total number of statements"
line="2" column="1"
switch="--statements"
tip="total number of statements" />
<check label="number of public subprograms in a compilation unit"
line="2" column="1"
switch="--public-subprograms"
tip="number of public subprograms in a compilation unit" />
<check label="number of subprograms in a compilation unit"
line="2" column="1"
switch="--all-subprograms"
tip="number of subprograms in a compilation unit" />
<check label="number of public types in a compilation unit"
line="2" column="1"
switch="--public-types"
tip="number of public types in a compilation unit" />
<check label="number of types in a compilation unit"
line="2" column="1"
switch="--all-types"
tip="number of types in a compilation unit" />
<check label="maximal unit nesting level"
line="2" column="1"
switch="--unit-nesting"
tip="maximal unit nesting level" />
<check label="maximal construct nesting level"
line="2" column="1"
switch="--construct-nesting"
tip="maximal construct nesting level" />
<check label="all coupling metrics"
line="2" column="2"
switch="--coupling-all"
tip="all coupling metrics" />
<check label="tagged (class) fan-out coupling"
line="2" column="2"
switch="--tagged-coupling-out"
tip="tagged (class) fan-out coupling" />
<check label="tagged (class) fan-in coupling"
line="2" column="2"
switch="--tagged-coupling-in"
tip="tagged (class) fan-in coupling" />
<check label="hierarchy (category) fan-out coupling"
line="2" column="2"
switch="--hierarchy-coupling-out"
tip="hierarchy (category) fan-out coupling" />
<check label="hierarchy (category) fan-in coupling"
line="2" column="2"
switch="--hierarchy-coupling-in"
tip="hierarchy (category) fan-in coupling" />
<check label="unit fan-out coupling"
line="2" column="2"
switch="--unit-coupling-out"
tip="unit fan-out coupling" />
<check label="unit fan-in coupling"
line="2" column="2"
switch="--unit-coupling-in"
tip="unit fan-in coupling" />
<check label="control fan-out coupling"
line="2" column="2"
switch="--control-coupling-out"
tip="control fan-out coupling" />
<check label="control fan-in coupling"
line="2" column="2"
switch="--control-coupling-in"
tip="control fan-in coupling" />
</switches>
</target-model>
<target model="gnatmetrics" category="_File_" name="GNAT Metrics for file">
<in-toolbar>FALSE</in-toolbar>
<in-menu>FALSE</in-menu>
<launch-mode>MANUALLY_WITH_DIALOG</launch-mode>
<read-only>TRUE</read-only>
<command-line>
<arg>%attr(ide'gnat,gnat)</arg>
<arg>metric</arg>
<arg>-dd</arg>
<arg>-x</arg>
<arg>-P%pp</arg>
<arg>%X</arg>
<arg>%F</arg>
</command-line>
</target>
<target model="gnatmetrics" category="_File_" name="GNAT Metrics for project">
<in-toolbar>FALSE</in-toolbar>
<in-menu>FALSE</in-menu>
<launch-mode>MANUALLY_WITH_DIALOG</launch-mode>
<read-only>TRUE</read-only>
<command-line>
<arg>%attr(ide'gnat,gnat)</arg>
<arg>metric</arg>
<arg>-dd</arg>
<arg>-x</arg>
<arg>-P%pp</arg>
<arg>%X</arg>
</command-line>
</target>
<target model="gnatmetrics" category="_File_" name="GNAT Metrics for project and subprojects">
<in-toolbar>FALSE</in-toolbar>
<in-menu>FALSE</in-menu>
<launch-mode>MANUALLY_WITH_DIALOG</launch-mode>
<read-only>TRUE</read-only>
<command-line>
<arg>%attr(ide'gnat,gnat)</arg>
<arg>metric</arg>
<arg>-dd</arg>
<arg>-x</arg>
<arg>-P%pp</arg>
<arg>%X</arg>
<arg>-U</arg>
</command-line>
</target>
<action name="GNAT Metric on current file">
<description>Launch GNAT metric on the current file</description>
<filter language="ada" error="GNAT metrics requires an Ada file" />
<shell lang="python" output="none"
>GPS.BuildTarget("GNAT Metrics for file").execute(synchronous=False)</shell>
</action>
<action name="GNAT Metric on current project">
<filter id="Project only" />
<description>Launch GNAT metric on the current project</description>
<shell lang="python" output="none"
>GPS.BuildTarget("GNAT Metrics for project").execute(synchronous=False)</shell>
</action>
<action name="GNAT Metric on current project and subprojects">
<filter id="Project only" />
<description>Launch GNAT metric on the current project</description>
<shell lang="python" output="none"
>GPS.BuildTarget("GNAT Metrics for project and subprojects").execute(synchronous=False)</shell>
</action>
<submenu>
<title>Tools</title>
<submenu after="Macro">
<title>_Metrics</title>
<menu action="GNAT Metric on current file">
<title>Compute metrics on current file</title>
</menu>
<menu action="GNAT Metric on current project">
<title>Compute metrics on current p_roject</title>
</menu>
<menu action="GNAT Metric on current project and subprojects">
<title>Compute metrics on current project and _subprojects</title>
</menu>
</submenu>
</submenu>
<contextual action="GNAT metric on current project" >
<title>Metrics/Compute metrics for project %p</title>
</contextual>
<contextual action="GNAT metric on current project and subprojects" >
<title>Metrics/Compute metrics for project %p and subprojects</title>
</contextual>
"""
def on_compilation_finished(hook, category,
target_name="", mode_name="", status=""):
if not target_name.startswith("GNAT Metric"):
return
if status:
return
v = GPS.XMLViewer.create_metric("Metrics")
v.parse("metrix.xml")
def show_metrics_window(self):
w=GPS.MDI.get("Metrics")
if w == None:
v = GPS.XMLViewer.create_metric("Metrics")
v.parse("metrix.xml")
else:
v = w.get_child()
w.raise_window()
GPS.parse_xml(xml_base)
GPS.Hook("compilation_finished").add(on_compilation_finished)
GPS.Menu.create("/Tools/Views/Metrics",
show_metrics_window,
ref="Messages", add_before=0)
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