Merge pull request #1103 from mesonbuild/rewriter

Beginnings of a rewriter

1 files changed, 64 insertions, 0 deletions

diff --git a/mesonrewriter.py b/mesonrewriter.py
new file mode 100755
index 0000000..fb85745
--- /dev/null
+++ b/mesonrewriter.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+# Copyright 2016 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This class contains the basic functionality needed to run any interpreter
+# or an interpreter-based tool.
+
+# This tool is used to manipulate an existing Meson build definition.
+#
+# - add a file to a target
+# - remove files from a target
+# - move targets
+# - reindent?
+
+import mesonbuild.astinterpreter
+from mesonbuild.mesonlib import MesonException
+from mesonbuild import mlog
+import sys, traceback
+import argparse
+
+parser = argparse.ArgumentParser()
+
+parser.add_argument('--sourcedir', default='.',
+                    help='Path to source directory.')
+parser.add_argument('--target', default=None,
+                    help='Name of target to edit.')
+parser.add_argument('--filename', default=None,
+                    help='Name of source file to add or remove to target.')
+parser.add_argument('commands', nargs='+')
+
+if __name__ == '__main__':
+    options = parser.parse_args()
+    if options.target is None or options.filename is None:
+        sys.exit("Must specify both target and filename.")
+    print('This tool is highly experimental, use with care.')
+    rewriter = mesonbuild.astinterpreter.AstInterpreter(options.sourcedir, '')
+    try:
+        if options.commands[0] == 'add':
+            rewriter.add_source(options.target, options.filename)
+        elif options.commands[0] == 'remove':
+            rewriter.remove_source(options.target, options.filename)
+        else:
+            sys.exit('Unknown command: ' + options.commands[0])
+    except Exception as e:
+        if isinstance(e, MesonException):
+            if hasattr(e, 'file') and hasattr(e, 'lineno') and hasattr(e, 'colno'):
+                mlog.log(mlog.red('\nMeson encountered an error in file %s, line %d, column %d:' % (e.file, e.lineno, e.colno)))
+            else:
+                mlog.log(mlog.red('\nMeson encountered an error:'))
+            mlog.log(e)
+        else:
+            traceback.print_exc()
+        sys.exit(1)