Add Python cmake parser

Unfortunately, upstream has removed the configure+make build system our import script relies on to generate code and moz.build files.

1 files changed, 190 insertions, 0 deletions

diff --git a/media/libaom/test_cmakeparser.py b/media/libaom/test_cmakeparser.py
new file mode 100644
index 000000000..af68c3313
--- /dev/null
+++ b/media/libaom/test_cmakeparser.py
@@ -0,0 +1,190 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+from pyparsing import ParseException
+import unittest
+
+import cmakeparser as cp
+
+class TestCMakeParser(unittest.TestCase):
+    def test_arguments(self):
+        self.assertEqual(cp.arguments.parseString('1').asList(), ['1'])
+        self.assertEqual(cp.arguments.parseString('(1 2)').asList(),
+                         ['(', '1', '2', ')'])
+
+    def test_command(self):
+        self.assertEqual(cp.command.parseString('blah()').asList(),
+                         [['blah', '(', ')']])
+        self.assertEqual(cp.command.parseString('blah(1)').asList(),
+                         [['blah', '(', '1', ')']])
+        self.assertEqual(cp.command.parseString('blah(1 (2 3))').asList(),
+                         [['blah', '(', '1', '(', '2', '3', ')', ')']])
+
+    def test_evaluate_boolean(self):
+        self.assertTrue(cp.evaluate_boolean({}, ['TRUE']))
+        self.assertFalse(cp.evaluate_boolean({}, ['NOT', 'TRUE']))
+        self.assertFalse(cp.evaluate_boolean({}, ['TRUE', 'AND', 'FALSE']))
+        self.assertTrue(cp.evaluate_boolean({}, ['ABC', 'MATCHES', '^AB']))
+        self.assertTrue(cp.evaluate_boolean({}, ['TRUE', 'OR', 'FALSE']))
+        self.assertTrue(cp.evaluate_boolean({}, ['ABC', 'STREQUAL', 'ABC']))
+        self.assertTrue(cp.evaluate_boolean({'ABC': '1'}, ['ABC']))
+        self.assertFalse(cp.evaluate_boolean({'ABC': '0'}, ['${ABC}']))
+        self.assertFalse(cp.evaluate_boolean({}, ['ABC']))
+        self.assertFalse(cp.evaluate_boolean({}, ['${ABC}']))
+        self.assertTrue(cp.evaluate_boolean({'YES_ABC': 1, 'VAL': 'ABC'},
+                                            ['YES_${VAL}']))
+        self.assertTrue(cp.evaluate_boolean({'ABC': 'DEF', 'DEF': 1},
+                                            ['${ABC}']))
+        self.assertTrue(cp.evaluate_boolean({}, ['FALSE', 'OR', '(', 'FALSE', 'OR', 'TRUE', ')']))
+        self.assertFalse(cp.evaluate_boolean({}, ['FALSE', 'OR', '(', 'FALSE', 'AND', 'TRUE', ')']))
+
+    def test_foreach(self):
+        s = """
+            set(STUFF A B C D E F)
+            foreach(item ${STUFF})
+                set(YES_${item} 1)
+            endforeach ()
+            """
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cp.evaluate(variables, [], parsed)
+        for k in ['A', 'B', 'C', 'D', 'E', 'F']:
+            self.assertEqual(variables['YES_%s' % k], '1')
+
+        s = """
+            set(STUFF "A;B;C;D;E;F")
+            foreach(item ${STUFF})
+                set(${item} 1)
+            endforeach ()
+            """
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cp.evaluate(variables, [], parsed)
+        for k in ['A', 'B', 'C', 'D', 'E', 'F']:
+            self.assertEqual(variables[k], '1')
+
+        s = """
+            set(STUFF D E F)
+            foreach(item A B C ${STUFF})
+                set(${item} 1)
+            endforeach ()
+            """
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cp.evaluate(variables, [], parsed)
+        for k in ['A', 'B', 'C', 'D', 'E', 'F']:
+            self.assertEqual(variables[k], '1')
+
+    def test_list(self):
+        s = 'list(APPEND TEST 1 1 2 3 5 8 13)'
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cache_variables = []
+        cp.evaluate(variables, cache_variables, parsed)
+        self.assertEqual(variables['TEST'], '1 1 2 3 5 8 13')
+        self.assertEqual(len(cache_variables), 0)
+
+        s = """
+            set(TEST 1)
+            list(APPEND TEST 1 2 3 5 8 13)
+            """
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cache_variables = []
+        cp.evaluate(variables, cache_variables, parsed)
+        self.assertEqual(variables['TEST'], '1 1 2 3 5 8 13')
+        self.assertEqual(len(cache_variables), 0)
+
+    def test_malformed_input(self):
+        self.assertEqual(len(cp.cmake.parseString('func ((A)')), 0)
+        self.assertEqual(len(cp.cmake.parseString('cmd"arg"(arg2)')), 0)
+        self.assertRaises(ParseException, cp.command.parseString, 'func ((A)')
+        self.assertRaises(ParseException, cp.identifier.parseString,
+                          '-asdlf')
+        self.assertEqual(cp.identifier.parseString('asd-lf')[0], 'asd')
+        self.assertRaises(ParseException, cp.quoted_argument.parseString,
+                          'blah"')
+        s = """
+            " blah blah
+            blah
+            """
+        self.assertRaises(ParseException, cp.quoted_argument.parseString,
+                          s)
+        self.assertRaises(ParseException, cp.quoted_argument.parseString,
+                          'asdlf')
+        self.assertRaises(ParseException, cp.unquoted_argument.parseString,
+                          '#asdflkj')
+
+    def test_parse_if(self):
+        s = """
+            if (A)
+                B()
+            elseif (C)
+                D()
+            elseif (E)
+                F()
+            else ()
+                H()
+            endif ()
+            I()
+            """
+        parsed = cp.cmake.parseString(s)
+        self.assertEqual(len(parsed), 10)
+        end, conditions = cp.parse_if(parsed, 0)
+        self.assertEqual(parsed[end][0], 'endif')
+        self.assertEqual(len(conditions), 4)
+        self.assertEqual(conditions[0][0], ['A'])
+        self.assertEqual(conditions[0][1][0], parsed[1])
+        self.assertEqual(conditions[1][0], ['C'])
+        self.assertEqual(conditions[1][1][0], parsed[3])
+        self.assertEqual(conditions[2][0], ['E'])
+        self.assertEqual(conditions[2][1][0], parsed[5])
+        self.assertEqual(conditions[3][0], ['TRUE'])
+        self.assertEqual(conditions[3][1][0], parsed[7])
+
+    def test_return(self):
+        s = """
+            set(TEST 2)
+            if (true)
+                return()
+            endif ()
+            set(TEST 3)
+            """
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cache_variables = []
+        cp.evaluate(variables, cache_variables, parsed)
+        self.assertEqual(variables['TEST'], '2')
+        self.assertEqual(len(cache_variables), 0)
+
+    def test_set(self):
+        s = """set(TEST 2)"""
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cache_variables = []
+        cp.evaluate(variables, cache_variables, parsed)
+        self.assertEqual(variables['TEST'], '2')
+        self.assertEqual(len(cache_variables), 0)
+
+        s = """set(TEST 3 CACHE "documentation")"""
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cache_variables = []
+        cp.evaluate(variables, cache_variables, parsed)
+        self.assertEqual(variables['TEST'], '3')
+        self.assertTrue('TEST' in cache_variables)
+
+        s = """set(TEST A B C D)"""
+        parsed = cp.cmake.parseString(s)
+        variables = {}
+        cp.evaluate(variables, [], parsed)
+        self.assertEqual(variables['TEST'], 'A B C D')
+
+        s = """set(TEST ${TEST} E F G H)"""
+        parsed = cp.cmake.parseString(s)
+        cp.evaluate(variables, [], parsed)
+        self.assertEqual(variables['TEST'], 'A B C D E F G H')
+
+
+if __name__ == '__main__':
+    unittest.main()