This is the code for the rtems-style tool which checks for style differences 
and produces a report as well as reformats a given file or directory.

Signed-off-by: Ida Delphine <idad...@gmail.com>
---
 misc/rtems-style    |  16 +++++
 misc/tools/style.py | 153 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 169 insertions(+)
 create mode 100644 misc/rtems-style
 create mode 100644 misc/tools/style.py

diff --git a/misc/rtems-style b/misc/rtems-style
new file mode 100644
index 0000000..5a3e0e8
--- /dev/null
+++ b/misc/rtems-style
@@ -0,0 +1,16 @@
+#! /usr/bin/env python
+
+from __future__ import print_function
+
+import sys, os
+
+base = os.path.dirname(os.path.dirname(os.path.abspath(sys.argv[0])))
+rtems = os.path.join(base, 'share', 'rtems')
+sys.path = sys.path[0:1] + [rtems, base] + sys.path[1:]
+
+try:
+    import misc.tools.style
+    misc.tools.style.run()
+except ImportError:
+    print("Incorrect RTEMS Tools installation", file = sys.stderr)
+    sys.exit(1)
\ No newline at end of file
diff --git a/misc/tools/style.py b/misc/tools/style.py
new file mode 100644
index 0000000..fbd575e
--- /dev/null
+++ b/misc/tools/style.py
@@ -0,0 +1,153 @@
+import argparse
+import os
+import sys
+import re
+
+from rtemstoolkit import execute
+from rtemstoolkit import git
+
+
+def get_command():
+    from rtemstoolkit import check
+
+    for version in ['', '8', '9', '10', '11']:
+        if check.check_exe(None, 'clang-format' + version):
+            command = 'clang-format' + version
+            return command
+    print("Clang-format not found in your system")
+    sys.exit(1)
+
+
+def arguments():
+    parser = argparse.ArgumentParser(description="Tool for code formatting and 
style checking \
+        for RTEMS")
+    parser.add_argument("-c", "--check", dest="check", help="Check for style 
differences and \
+        report the number of issues if found", action="store_true")
+    parser.add_argument("-r", "--reformat", dest="reformat", help="Reformat 
the file/directory \
+        with any style differences found", action="store_true")
+    parser.add_argument("-p", "--path", dest="path", help="The path to be 
checked for style issues \
+        or reformatted")
+    parser.add_argument("-i", "--ignore", dest="ignore", help="Ignore files to 
be checked or \
+        reformatted", nargs='*')
+    parser.add_argument("-v", "--verbose", dest="verbose", help="A more 
detailed outline of the \
+        style issues", action='store_true')
+    return [parser.parse_args(), parser.print_usage()]
+
+
+def get_diff(path, ignore_file):
+    diff = ""
+    ex = execute.capture_execution()
+
+    def clang_to_git_diff(clang_output, path):
+        import os
+        import tempfile
+
+        fd, tmp_path = tempfile.mkstemp()
+        try:
+            with os.fdopen(fd, 'w') as tmp:
+                
+                tmp.write(clang_output)
+                repo = git.repo(".")
+            return repo.diff(['--no-index', path, tmp_path])
+                
+        finally:
+            os.remove(tmp_path)
+
+    if os.path.isfile(path) == True:
+        cmd = get_command() + " --style=file " + path
+        output_clang = ex.command(command=cmd, shell=True)
+        output_clang = output_clang[2]
+        diff = clang_to_git_diff(output_clang, path)
+    else:
+        onlyfiles = [f for f in os.listdir(path)]
+        for file in onlyfiles:
+            ig_match = False
+            if ignore_file is not None:
+                for f in ignore_file:
+                    if file == f:
+                        ig_match = True
+                if ig_match == True:
+                    continue
+                
+            file = os.path.join(path, file)
+
+            if file.endswith('.c') or file.endswith('.h'):
+                cmd = get_command() + " --style=file " + file
+                output_clang = ex.command(command=cmd, shell=True)
+                output_clang = output_clang[2]
+                diff += clang_to_git_diff(output_clang, os.path.join(path, 
file))
+    return diff
+
+
+def color_text(string, col, style=1):
+    return "\033[" + str(style) + ";" + str(col) + ";" + str(col) + "m" + 
string + "\033[0;0m"
+
+
+def handle_errors(path, output, verbose=False,):
+    if len(output) < 1:
+        print("Everything is clean - No style issues")
+    else:
+        print(color_text("Checking for style differences...", 34, style=3))
+
+        out = output.split('\n')
+        files = []
+        num_diff = 0
+        for line in out:
+
+            if line.startswith("---"):
+                file = str(re.sub('^---\s[ab]', '', line))
+                files.append(file)
+            
+            elif line.startswith('+'):
+                num_diff += 1
+                if verbose == True:
+                    print(color_text(line, 34))
+                    continue
+            if verbose == True:
+                print(line)
+            
+        print(color_text("\nFiles affected:", 33))
+
+        for file in files:
+            print(file)
+        
+        message = "\nStyleWarning: You have about a total of " + str(num_diff) 
+ \
+                " style issue(s) in the " + str(len(files)) + " file(s) listed 
above"
+        print(color_text(message, 31))
+
+
+def reformat(path, output):
+    if len(output) > 0:
+        onlyfiles = [f for f in os.listdir(path)]
+        for file in onlyfiles:
+            if file.endswith('.c') or file.endswith('.h'):
+                cmd = get_command() + " -i -style=file " + os.path.join(path, 
file)
+                ex = execute.capture_execution()
+                ex.command(command=cmd, shell=True)
+    else:
+        print("Everything is clean. No style issues")
+        return 0
+
+
+def run(args = sys.argv):
+    args = arguments()
+    if args[0].path == None:
+        print("A path is required")
+        sys.exit(1)
+    path = os.path.abspath(args[0].path)
+    if os.path.exists(path) == False:
+        print("Please enter a correct path!!")
+        sys.exit(1)
+    output = get_diff(path, args[0].ignore)
+    if args[0].check == True:
+        handle_errors(path, output, verbose=args[0].verbose)
+    elif args[0].reformat == True:
+        reformat(path, output)
+    else:
+        args[1]
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    run()
+
-- 
2.25.1

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