Added test case

9 files changed, 220 insertions, 13 deletions

diff --git a/mesonbuild/ast/introspection.py b/mesonbuild/ast/introspection.py
index 0a4d73a..67a0fe7 100644
--- a/mesonbuild/ast/introspection.py
+++ b/mesonbuild/ast/introspection.py
@@ -163,10 +163,8 @@ class IntrospectionInterpreter(AstInterpreter):
             if elemetary_nodes:
                 source_nodes += [curr]
 
-        # Filter out kwargs from other target types. For example 'soversion'
-        # passed to library() when default_library == 'static'.
-        kwargs = {k: v for k, v in kwargs.items() if k in targetclass.known_kwargs}
-
+        # Make sure nothing can crash when creating the build class
+        kwargs = {}
         is_cross = False
         objects = []
         empty_sources = [] # Passing the unresolved sources list causes errors
diff --git a/mesonbuild/rewriter.py b/mesonbuild/rewriter.py
index cad6a5e..4a7f595 100644
--- a/mesonbuild/rewriter.py
+++ b/mesonbuild/rewriter.py
@@ -232,7 +232,7 @@ class MesonIDList(MesonList):
         super().__init__(node)
 
     def _new_element_node(self, value):
-        return mparser.StringNode(mparser.Token('', '', 0, 0, 0, None, str(value)))
+        return mparser.IdNode(mparser.Token('', '', 0, 0, 0, None, str(value)))
 
     def _check_is_equal(self, node, value):
         if isinstance(node, mparser.IdNode):
@@ -246,7 +246,7 @@ rewriter_keys = {
     'kwargs': {
         'function': (str, None, None),
         'id': (str, None, None),
-        'operation': (str, None, ['set', 'delete', 'add', 'remove']),
+        'operation': (str, None, ['set', 'delete', 'add', 'remove', 'info']),
         'kwargs': (dict, {}, None)
     },
     'target': {
@@ -355,16 +355,40 @@ class Rewriter:
 
         # Find the function node to modify
         node = None
+        arg_node = None
         if cmd['function'] == 'project':
             node = self.interpreter.project_node
+            arg_node = node.args
         elif cmd['function'] == 'target':
             tmp = self.find_target(cmd['id'])
             if tmp:
                 node = tmp['node']
+                arg_node = node.args
         if not node:
             mlog.error('Unable to find the function node')
         assert(isinstance(node, mparser.FunctionNode))
-
+        assert(isinstance(arg_node, mparser.ArgumentNode))
+
+        # Print kwargs info
+        if cmd['operation'] == 'info':
+            info_data = {}
+            for key, val in arg_node.kwargs.items():
+                info_data[key] = None
+                if isinstance(val, mparser.ElementaryNode):
+                    info_data[key] = val.value
+                elif isinstance(val, mparser.ArrayNode):
+                    data_list = []
+                    for i in val.args.arguments:
+                        element = None
+                        if isinstance(i, mparser.ElementaryNode):
+                            element = i.value
+                        data_list += [element]
+                    info_data[key] = data_list
+
+            self.add_info('kwargs', '{}#{}'.format(cmd['function'], cmd['id']), info_data)
+            return # Nothing else to do
+
+        # Modify the kwargs
         num_changed = 0
         for key, val in cmd['kwargs'].items():
             if key not in kwargs_def:
@@ -373,17 +397,17 @@ class Rewriter:
 
             # Remove the key from the kwargs
             if cmd['operation'] == 'delete':
-                if key in node.args.kwargs:
+                if key in arg_node.kwargs:
                     mlog.log('  -- Deleting', mlog.bold(key), 'from the kwargs')
-                    del node.args.kwargs[key]
+                    del arg_node.kwargs[key]
                     num_changed += 1
                 else:
                     mlog.log('  -- Key', mlog.bold(key), 'is already deleted')
                 continue
 
-            if key not in node.args.kwargs:
-                node.args.kwargs[key] = None
-            modifyer = kwargs_def[key](node.args.kwargs[key])
+            if key not in arg_node.kwargs:
+                arg_node.kwargs[key] = None
+            modifyer = kwargs_def[key](arg_node.kwargs[key])
             if not modifyer.can_modify():
                 mlog.log('  -- Skipping', mlog.bold(key), 'because it is to complex to modify')
 
@@ -400,7 +424,7 @@ class Rewriter:
                 modifyer.remove_value(val)
 
             # Write back the result
-            node.args.kwargs[key] = modifyer.get_node()
+            arg_node.kwargs[key] = modifyer.get_node()
             num_changed += 1
 
         if num_changed > 0 and node not in self.modefied_nodes:
diff --git a/run_unittests.py b/run_unittests.py
index d68912f..18290f2 100755
--- a/run_unittests.py
+++ b/run_unittests.py
@@ -5130,6 +5130,70 @@ class RewriterTests(BasePlatformTests):
         out = self.extract_test_data(out)
         self.assertDictEqual(list(out['target'].values())[0], expected)
 
+    def test_kwargs_info(self):
+        self.prime('3 kwargs')
+        out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
+        out = self.extract_test_data(out)
+        expected = {
+            'kwargs': {
+                'project#': {'version': '0.0.1'},
+                'target#tgt1': {'build_by_default': True}
+            }
+        }
+        self.assertDictEqual(out, expected)
+
+    def test_kwargs_set(self):
+        self.prime('3 kwargs')
+        self.rewrite(self.builddir, os.path.join(self.builddir, 'set.json'))
+        out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
+        out = self.extract_test_data(out)
+        expected = {
+            'kwargs': {
+                'project#': {'version': '0.0.2', 'meson_version': '0.50.0', 'license': ['GPL', 'MIT']},
+                'target#tgt1': {'build_by_default': False, 'build_rpath': '/usr/local', 'dependencies': 'dep1'}
+            }
+        }
+        self.assertDictEqual(out, expected)
+
+    def test_kwargs_add(self):
+        self.prime('3 kwargs')
+        self.rewrite(self.builddir, os.path.join(self.builddir, 'add.json'))
+        out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
+        out = self.extract_test_data(out)
+        expected = {
+            'kwargs': {
+                'project#': {'version': '0.0.1', 'license': ['GPL', 'MIT', 'BSD']},
+                'target#tgt1': {'build_by_default': True}
+            }
+        }
+        self.assertDictEqual(out, expected)
+
+    def test_kwargs_remove(self):
+        self.prime('3 kwargs')
+        self.rewrite(self.builddir, os.path.join(self.builddir, 'remove.json'))
+        out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
+        out = self.extract_test_data(out)
+        expected = {
+            'kwargs': {
+                'project#': {'version': '0.0.1', 'license': 'GPL'},
+                'target#tgt1': {'build_by_default': True}
+            }
+        }
+        self.assertDictEqual(out, expected)
+
+    def test_kwargs_delete(self):
+        self.prime('3 kwargs')
+        self.rewrite(self.builddir, os.path.join(self.builddir, 'delete.json'))
+        out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
+        out = self.extract_test_data(out)
+        expected = {
+            'kwargs': {
+                'project#': {},
+                'target#tgt1': {}
+            }
+        }
+        self.assertDictEqual(out, expected)
+
 class NativeFileTests(BasePlatformTests):
 
     def setUp(self):
diff --git a/test cases/rewrite/3 kwargs/add.json b/test cases/rewrite/3 kwargs/add.json
new file mode 100644
index 0000000..e398b7b
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/add.json
@@ -0,0 +1,29 @@
+[
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "set",
+    "kwargs": {
+      "license": "GPL"
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "add",
+    "kwargs": {
+      "license": ["MIT"]
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "add",
+    "kwargs": {
+      "license": "BSD"
+    }
+  }
+]
diff --git a/test cases/rewrite/3 kwargs/delete.json b/test cases/rewrite/3 kwargs/delete.json
new file mode 100644
index 0000000..2f75484
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/delete.json
@@ -0,0 +1,20 @@
+[
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "delete",
+    "kwargs": {
+      "version": null
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "target",
+    "id": "helloWorld",
+    "operation": "delete",
+    "kwargs": {
+      "build_by_default": false
+    }
+  }
+]
diff --git a/test cases/rewrite/3 kwargs/info.json b/test cases/rewrite/3 kwargs/info.json
new file mode 100644
index 0000000..55a543e
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/info.json
@@ -0,0 +1,14 @@
+[
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "info"
+  },
+  {
+    "type": "kwargs",
+    "function": "target",
+    "id": "tgt1",
+    "operation": "info"
+  }
+]
diff --git a/test cases/rewrite/3 kwargs/meson.build b/test cases/rewrite/3 kwargs/meson.build
new file mode 100644
index 0000000..3090f7d
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/meson.build
@@ -0,0 +1,5 @@
+project('rewritetest', 'cpp', version: '0.0.1')
+
+dep1 = dependency('zlib', required: false)
+
+tgt1 = executable('helloWorld', 'main.cpp', build_by_default: true)
diff --git a/test cases/rewrite/3 kwargs/remove.json b/test cases/rewrite/3 kwargs/remove.json
new file mode 100644
index 0000000..bd7596f
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/remove.json
@@ -0,0 +1,29 @@
+[
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "set",
+    "kwargs": {
+      "license": ["GPL", "MIT", "BSD"]
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "remove",
+    "kwargs": {
+      "license": ["MIT"]
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "remove",
+    "kwargs": {
+      "license": "BSD"
+    }
+  }
+]
diff --git a/test cases/rewrite/3 kwargs/set.json b/test cases/rewrite/3 kwargs/set.json
new file mode 100644
index 0000000..9bc87a2
--- /dev/null
+++ b/test cases/rewrite/3 kwargs/set.json
@@ -0,0 +1,24 @@
+[
+  {
+    "type": "kwargs",
+    "function": "project",
+    "id": "",
+    "operation": "set",
+    "kwargs": {
+      "version": "0.0.2",
+      "meson_version": "0.50.0",
+      "license": ["GPL", "MIT"]
+    }
+  },
+  {
+    "type": "kwargs",
+    "function": "target",
+    "id": "helloWorld",
+    "operation": "set",
+    "kwargs": {
+      "build_by_default": false,
+      "build_rpath": "/usr/local",
+      "dependencies": "dep1"
+    }
+  }
+]