def testReplaceThenDeleteMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 2, 'x')
rewriter.insertBeforeIndex(1, '0')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
self.assertEquals(
'insert op <InsertBeforeOp@[@1,1:1=\'b\',<2>,1:1]:"0"> within boundaries of previous <ReplaceOp@[@0,0:0=\'a\',<1>,1:0]..[@2,2:2=\'c\',<3>,1:2]:"x">',
ctx.exception.message)
def testReplaceThenDeleteMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 2, 'x')
rewriter.insertBeforeIndex(1, '0')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
self.assertEqual(
'insert op <InsertBeforeOp@[@1,1:1=\'b\',<2>,1:1]:"0"> within boundaries of previous <ReplaceOp@[@0,0:0=\'a\',<1>,1:0]..[@2,2:2=\'c\',<3>,1:2]:"x">',
str(ctx.exception)
)
def testReplaceThenReplaceLowerIndexedSuperset(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'xyz')
rewriter.replaceRange(1, 3, 'foo')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
msg = ctx.exception.message
self.assertEquals(
"""replace op boundaries of <ReplaceOp@[@1,1:1='b',<2>,1:1]..[@3,3:3='c',<3>,1:3]:"foo"> overlap with previous <ReplaceOp@[@2,2:2='c',<3>,1:2]..[@4,4:4='c',<3>,1:4]:"xyz">""",
msg)
def testOverlappingReplace2(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 3, 'bar')
rewriter.replaceRange(1, 2, 'foo')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
self.assertEquals(
"""replace op boundaries of <ReplaceOp@[@1,1:1='b',<2>,1:1]..[@2,2:2='c',<3>,1:2]:"foo"> overlap with previous <ReplaceOp@[@0,0:0='a',<1>,1:0]..[@3,3:2='<EOF>',<-1>,1:3]:"bar">""",
ctx.exception.message)
def testReplaceRangeThenInsertAtRightEdge(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'x')
rewriter.insertBeforeIndex(4, 'y')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
msg = ctx.exception.message
self.assertEquals(
"insert op <InsertBeforeOp@[@4,4:4='c',<3>,1:4]:\"y\"> within boundaries of previous <ReplaceOp@[@2,2:2='c',<3>,1:2]..[@4,4:4='c',<3>,1:4]:\"x\">",
msg)
def testReplaceRangeThenInsertAtRightEdge(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'x')
rewriter.insertBeforeIndex(4, 'y')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
msg = str(ctx.exception)
self.assertEqual(
"insert op <InsertBeforeOp@[@4,4:4='c',<3>,1:4]:\"y\"> within boundaries of previous <ReplaceOp@[@2,2:2='c',<3>,1:2]..[@4,4:4='c',<3>,1:4]:\"x\">",
msg
)
def testOverlappingReplace2(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 3, 'bar')
rewriter.replaceRange(1, 2, 'foo')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
self.assertEqual(
"""replace op boundaries of <ReplaceOp@[@1,1:1='b',<2>,1:1]..[@2,2:2='c',<3>,1:2]:"foo"> overlap with previous <ReplaceOp@[@0,0:0='a',<1>,1:0]..[@3,3:2='<EOF>',<-1>,1:3]:"bar">""",
str(ctx.exception)
)
def testReplaceThenReplaceLowerIndexedSuperset(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'xyz')
rewriter.replaceRange(1, 3, 'foo')
with self.assertRaises(ValueError) as ctx:
rewriter.getDefaultText()
msg = str(ctx.exception)
self.assertEqual(
"""replace op boundaries of <ReplaceOp@[@1,1:1='b',<2>,1:1]..[@3,3:3='c',<3>,1:3]:"foo"> overlap with previous <ReplaceOp@[@2,2:2='c',<3>,1:2]..[@4,4:4='c',<3>,1:4]:"xyz">""",
msg
)
def testInsertBeforeIndexZero(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '0')
self.assertEqual(rewriter.getDefaultText(), '0abc')
def testInsertBeforeIndexZero(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '0')
self.assertEquals(rewriter.getDefaultText(), '0abc')
def testInsertAfterLastIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertAfter(10, 'x')
self.assertEqual(rewriter.getDefaultText(), 'abcx')
def testInsertAfterLastIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertAfter(10, 'x')
self.assertEquals(rewriter.getDefaultText(), 'abcx')
def testReplaceSubsetThenFetch(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'xyz')
self.assertEqual('abxyzba', rewriter.getDefaultText())
def testReplaceSubsetThenFetch(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'xyz')
self.assertEquals('abxyzba', rewriter.getDefaultText())
def testReplaceAll(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 6, 'x')
self.assertEqual('x', rewriter.getDefaultText())
def testReplaceMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(1, 'x')
self.assertEqual(rewriter.getDefaultText(), 'axc')
def save(rewriter: TokenStreamRewriter,
file_name: str,
filename_mapping=lambda x: x + ".rewritten.java"):
new_filename = filename_mapping(file_name).replace("\\", "/")
path = new_filename[:new_filename.rfind('/')]
if not os.path.exists(path):
os.makedirs(path)
with open(new_filename, mode='w', newline='') as file:
print("write?", new_filename)
file.write(rewriter.getDefaultText())
def testReplaceAll(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 6, 'x')
self.assertEquals('x', rewriter.getDefaultText())
def testReplaceMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(1, 'x')
self.assertEquals(rewriter.getDefaultText(), 'axc')
def testInsertThenReplaceSameIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '0')
rewriter.replaceIndex(0, 'x')
self.assertEqual('0xbc', rewriter.getDefaultText())
def testLeaveAloneDisjointInsert2(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 3, 'foo')
rewriter.insertBeforeIndex(1, 'x')
self.assertEquals('axbfoo', rewriter.getDefaultText())
def testDropPrevCoveredInsert(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEqual('afoofoo', rewriter.getDefaultText())
def testLeaveAloneDisjointInsert2(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 3, 'foo')
rewriter.insertBeforeIndex(1, 'x')
self.assertEqual('axbfoo', rewriter.getDefaultText())
def testDropIdenticalReplace(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(1, 2, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEqual('afooc', rewriter.getDefaultText())
def testDropIdenticalReplace(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(1, 2, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEquals('afooc', rewriter.getDefaultText())
def testReplaceRangeThenInsertAfterRightEdge(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'x')
rewriter.insertAfter(4, 'y')
self.assertEqual('abxyba', rewriter.getDefaultText())
def test2InsertBeforeAfterMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'x')
rewriter.insertAfter(1, 'x')
self.assertEqual(rewriter.getDefaultText(), 'axbxc')
def testCombineInserts(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, 'x')
rewriter.insertBeforeIndex(0, 'y')
self.assertEqual('yxabc', rewriter.getDefaultText())
def testReplaceSingleMiddleThenOverlappingSuperset(self):
input = InputStream('abcba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(2, 'xyz')
rewriter.replaceRange(0, 3, 'foo')
self.assertEqual('fooa', rewriter.getDefaultText())
def testReplaceThenInsertAfterLastIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(2, 'x')
rewriter.insertAfter(2, 'y')
self.assertEquals('abxy', rewriter.getDefaultText())
def testInsertBeforeTokenThenDeleteThatToken(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEquals('afoofoo', rewriter.getDefaultText())
def testReplaceThenInsertAfterLastIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(2, 'x')
rewriter.insertAfter(2, 'y')
self.assertEqual('abxy', rewriter.getDefaultText())
def testCombineInsertOnLeftWithDelete(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.delete('default', 0, 2)
rewriter.insertBeforeIndex(0, 'z')
self.assertEqual('z', rewriter.getDefaultText())
def testCombineInsertOnLeftWithReplace(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 2, 'foo')
rewriter.insertBeforeIndex(0, 'z')
self.assertEqual('zfoo', rewriter.getDefaultText())
def testDropPrevCoveredInsert(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEquals('afoofoo', rewriter.getDefaultText())
def testInsertThenReplaceSameIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '0')
rewriter.replaceIndex(0, 'x')
self.assertEquals('0xbc', rewriter.getDefaultText())
def testOverlappingReplace4(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(1, 2, 'foo')
rewriter.replaceRange(1, 3, 'bar')
self.assertEqual('abar', rewriter.getDefaultText())
def testOverlappingReplace4(self):
input = InputStream('abcc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(1, 2, 'foo')
rewriter.replaceRange(1, 3, 'bar')
self.assertEquals('abar', rewriter.getDefaultText())
def testCombineInsertOnLeftWithReplace(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(0, 2, 'foo')
rewriter.insertBeforeIndex(0, 'z')
self.assertEquals('zfoo', rewriter.getDefaultText())
def testInsertBeforeTokenThenDeleteThatToken(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'foo')
rewriter.replaceRange(1, 2, 'foo')
self.assertEqual('afoofoo', rewriter.getDefaultText())
def testCombineInsertOnLeftWithDelete(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.delete('default', 0, 2)
rewriter.insertBeforeIndex(0, 'z')
self.assertEquals('z', rewriter.getDefaultText())
def testCombineInserts(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, 'x')
rewriter.insertBeforeIndex(0, 'y')
self.assertEquals('yxabc', rewriter.getDefaultText())
def test2InsertBeforeAfterMiddleIndex(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'x')
rewriter.insertAfter(1, 'x')
self.assertEquals(rewriter.getDefaultText(), 'axbxc')
def testReplaceRangeThenInsertAfterRightEdge(self):
input = InputStream('abcccba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(2, 4, 'x')
rewriter.insertAfter(4, 'y')
self.assertEquals('abxyba', rewriter.getDefaultText())
def testReplaceSingleMiddleThenOverlappingSuperset(self):
input = InputStream('abcba')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceIndex(2, 'xyz')
rewriter.replaceRange(0, 3, 'foo')
self.assertEquals('fooa', rewriter.getDefaultText())
def testToStringStartStop2(self):
input = InputStream('x = 3 * 0 + 2 * 0;')
lexer = TestLexer2(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
self.assertEquals('x = 3 * 0 + 2 * 0;', rewriter.getDefaultText())
# replace 3 * 0 with 0
rewriter.replaceRange(4, 8, '0')
self.assertEquals('x = 0 + 2 * 0;', rewriter.getDefaultText())
self.assertEquals('x = 0 + 2 * 0;', rewriter.getText('default', Interval(0, 17)))
self.assertEquals('0', rewriter.getText('default', Interval(4, 8)))
self.assertEquals('x = 0', rewriter.getText('default', Interval(0, 8)))
self.assertEquals('2 * 0', rewriter.getText('default', Interval(12, 16)))
rewriter.insertAfter(17, "// comment")
self.assertEquals('2 * 0;// comment', rewriter.getText('default', Interval(12, 18)))
self.assertEquals('x = 0', rewriter.getText('default', Interval(0, 8)))
def testDisjointInserts(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'x')
rewriter.insertBeforeIndex(2, 'y')
rewriter.insertBeforeIndex(0, 'z')
self.assertEquals('zaxbyc', rewriter.getDefaultText())
def test2ReplaceMiddleIndex1InsertBefore(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, "_")
rewriter.replaceIndex(1, 'x')
rewriter.replaceIndex(1, 'y')
self.assertEqual('_ayc', rewriter.getDefaultText())
def testToStringStartStop(self):
input = InputStream('x = 3 * 0;')
lexer = TestLexer2(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(4, 8, '0')
self.assertEqual(rewriter.getDefaultText(), 'x = 0;')
self.assertEqual(rewriter.getText('default', 0, 9), 'x = 0;')
self.assertEqual(rewriter.getText('default', 4, 8), '0')
def testToStringStartStop2(self):
input = InputStream('x = 3 * 0 + 2 * 0;')
lexer = TestLexer2(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
self.assertEqual('x = 3 * 0 + 2 * 0;', rewriter.getDefaultText())
# replace 3 * 0 with 0
rewriter.replaceRange(4, 8, '0')
self.assertEqual('x = 0 + 2 * 0;', rewriter.getDefaultText())
self.assertEqual('x = 0 + 2 * 0;', rewriter.getText('default', 0, 17))
self.assertEqual('0', rewriter.getText('default', 4, 8))
self.assertEqual('x = 0', rewriter.getText('default', 0, 8))
self.assertEqual('2 * 0', rewriter.getText('default', 12, 16))
rewriter.insertAfter(17, "// comment")
self.assertEqual('2 * 0;// comment', rewriter.getText('default', 12, 18))
self.assertEqual('x = 0', rewriter.getText('default', 0, 8))
def test2ReplaceMiddleIndex1InsertBefore(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, "_")
rewriter.replaceIndex(1, 'x')
rewriter.replaceIndex(1, 'y')
self.assertEquals('_ayc', rewriter.getDefaultText())
def testToStringStartStop(self):
input = InputStream('x = 3 * 0;')
lexer = TestLexer2(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.replaceRange(4, 8, '0')
self.assertEquals(rewriter.getDefaultText(), 'x = 0;')
self.assertEquals(rewriter.getText('default', 0, 9), 'x = 0;')
self.assertEquals(rewriter.getText('default', 4, 8), '0')
def testDisjointInserts(self):
input = InputStream('abc')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(1, 'x')
rewriter.insertBeforeIndex(2, 'y')
rewriter.insertBeforeIndex(0, 'z')
self.assertEqual('zaxbyc', rewriter.getDefaultText())
def testPreservesOrderOfContiguousInserts(self):
"""
Test for fix for: https://github.com/antlr/antlr4/issues/550
"""
input = InputStream('aa')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '<b>')
rewriter.insertAfter(0, '</b>')
rewriter.insertBeforeIndex(1, '<b>')
rewriter.insertAfter(1, '</b>')
self.assertEquals('<b>a</b><b>a</b>', rewriter.getDefaultText())
def testPreservesOrderOfContiguousInserts(self):
"""
Test for fix for: https://github.com/antlr/antlr4/issues/550
"""
input = InputStream('aa')
lexer = TestLexer(input)
stream = CommonTokenStream(lexer=lexer)
stream.fill()
rewriter = TokenStreamRewriter(tokens=stream)
rewriter.insertBeforeIndex(0, '<b>')
rewriter.insertAfter(0, '</b>')
rewriter.insertBeforeIndex(1, '<b>')
rewriter.insertAfter(1, '</b>')
self.assertEqual('<b>a</b><b>a</b>', rewriter.getDefaultText())
class MoveClassRefactoringListener(JavaParserLabeledListener):
"""
To implement the move class refactoring
a stream of tokens is sent to the listener, to build an object token_stream_rewriter
and we move all class methods and fields from the source package to the target package
"""
def __init__(self, common_token_stream: CommonTokenStream = None, class_identifier: str = None,
source_package: str = None, target_package: str = None, filename: str = None, dirname: str = None):
"""
:param common_token_stream: used to edit the content of the parsers
"""
self.enter_class = False
self.token_stream = common_token_stream
self.class_found = False
self.class_fields = []
self.class_methods = []
# Move all the tokens in the source code in a buffer, token_stream_rewriter.
if common_token_stream is not None:
self.token_stream_rewriter = TokenStreamRewriter(common_token_stream)
else:
raise TypeError('common_token_stream is None')
if class_identifier is not None:
self.class_identifier = class_identifier
else:
raise ValueError("class_identifier is None")
if filename is not None:
self.filename = filename
else:
raise ValueError("filename is None")
if dirname is not None:
self.dirname = dirname
else:
raise ValueError("dirname is None")
if source_package is not None:
self.source_package = source_package
else:
raise ValueError("source_package is None")
if target_package is not None:
self.target_package = target_package
else:
raise ValueError("target_package is None")
self.TAB = "\t"
self.NEW_LINE = "\n"
self.code = f"package {self.target_package};{self.NEW_LINE}{self.NEW_LINE}"
# Exit a parse tree produced by JavaParserLabeled#importDeclaration.
def exitImportDeclaration(self, ctx: JavaParserLabeled.ImportDeclarationContext):
text_to_replace = "import " + ctx.qualifiedName().getText() + ';'
if ctx.STATIC() is not None:
text_to_replace = text_to_replace.replace("import", "import static")
self.code += text_to_replace + self.NEW_LINE
# Enter a parse tree produced by JavaParserLabeled#packageDeclaration.
def enterPackageDeclaration(self, ctx: JavaParserLabeled.PackageDeclarationContext):
package_name = ctx.getText()[7:-1]
print(package_name)
if package_name != self.source_package:
raise ValueError(f"The package {package_name} in the file isn't equal to the source package!")
# Exit a parse tree produced by JavaParserLabeled#classBodyDeclaration2.
def exitClassBodyDeclaration2(self, ctx: JavaParserLabeled.ClassBodyDeclaration2Context):
self.enter_class = False
try:
if ctx.memberDeclaration().classDeclaration().IDENTIFIER().getText() != self.class_identifier:
return
except Exception:
return
self.class_found = True
start_index = ctx.start.tokenIndex
stop_index = ctx.stop.tokenIndex
# get the class body from the token_stream_rewriter
class_body = self.token_stream_rewriter.getText(
program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
start=start_index,
stop=stop_index
)
self.code += f"import {self.source_package}.*;"
self.code += self.NEW_LINE * 2
self.code += f"// Class \"{self.class_identifier}\" moved here " \
f"from package {self.source_package} by CodART" + self.NEW_LINE + \
f"{class_body}"
# delete class declaration from source class
self.token_stream_rewriter.delete(
program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
from_idx=start_index,
to_idx=stop_index
)
old_file = open(self.filename, 'w')
old_file.write(self.token_stream_rewriter.getDefaultText().replace("\r", ""))
print("----------------------------")
print("Class attributes: ", str(self.class_fields))
print("Class methods: ", str(self.class_methods))
print("----------------------------")
# Exit a parse tree produced by JavaParserLabeled#typeDeclaration.
def exitTypeDeclaration(self, ctx: JavaParserLabeled.TypeDeclarationContext):
if ctx.classDeclaration() is not None:
self.enter_class = False
if ctx.classDeclaration().IDENTIFIER().getText() != self.class_identifier:
return
self.enter_class = True
self.class_found = True
start_index = ctx.start.tokenIndex
stop_index = ctx.stop.tokenIndex
# get the class body from the token_stream_rewriter
class_body = self.token_stream_rewriter.getText(
program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
start=start_index,
stop=stop_index
)
self.code += f"import {self.source_package}.*;"
self.code += self.NEW_LINE * 2
self.code += f"// Class \"{self.class_identifier}\" moved here " \
f"from package {self.source_package} by CodART" + self.NEW_LINE + \
f"{class_body}"
# delete class declaration from source class
self.token_stream_rewriter.delete(
program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
from_idx=start_index,
to_idx=stop_index
)
print("----------------------------")
print("Class attributes: ", str(self.class_fields))
print("Class methods: ", str(self.class_methods))
print("----------------------------")
# Enter a parse tree produced by JavaParserLabeled#fieldDeclaration.
def enterFieldDeclaration(self, ctx: JavaParserLabeled.FieldDeclarationContext):
if not self.enter_class:
return
list_of_fields = ctx.variableDeclarators().getText().split(",")
for field in list_of_fields:
self.class_fields.append(field)
# Enter a parse tree produced by JavaParserLabeled#methodDeclaration.
def enterMethodDeclaration(self, ctx: JavaParserLabeled.MethodDeclarationContext):
if not self.enter_class:
return
method_name = ctx.IDENTIFIER().getText()
self.class_methods.append(method_name)
# Exit a parse tree produced by JavaParserLabeled#compilationUnit.
def exitCompilationUnit(self, ctx: JavaParserLabeled.CompilationUnitContext):
if not self.class_found:
raise ValueError(f"Class \"{self.class_identifier}\" NOT FOUND!")
file_address = self.dirname + '/' + self.target_package.replace('.',
'/') + '/' + self.class_identifier + '.java'
new_file = open(file_address, 'w')
new_file.write(self.code.replace("\r", ""))
print(f"The class \"{self.class_identifier}\" moved to the target package successfully!")
class RemoveFieldRefactoringListener(JavaParserLabeledListener):
def __init__(self, common_token_stream: CommonTokenStream = None, class_identifier: str = None,
fieldname: str = None, filename: str = None):
"""
:param common_token_stream:
"""
self.enter_class = False
self.enter_field = False
self.is_found_field = False
self.is_found = False
self.token_stream = common_token_stream
self.class_identifier = class_identifier
self.class_number = 0
# Move all the tokens in the source code in a buffer, token_stream_rewriter.
if common_token_stream is not None:
self.token_stream_rewriter = TSR(common_token_stream)
else:
raise TypeError('common_token_stream is None')
self.class_fields = []
self.class_methods = []
if class_identifier is not None:
self.class_identifier = class_identifier
else:
raise ValueError("class_identifier is None")
if filename is not None:
self.filename = filename
else:
raise ValueError("filename is None")
if fieldname is not None:
self.fieldname = fieldname
else:
raise ValueError("fieldname is None")
def enterClassDeclaration(self, ctx:JavaParserLabeled.ClassDeclarationContext):
self.class_number += 1
if ctx.IDENTIFIER().getText() != self.class_identifier:
return
self.enter_class = True
# Enter a parse tree produced by Java9_v2Parser#normalClassDeclaration.
# def enterNormalClassDeclaration(self, ctx: Java9_v2Parser.NormalClassDeclarationContext):
#
# self.class_number += 1
# if ctx.identifier().getText() != self.class_identifier:
# return
# self.enter_class = True
def exitClassDeclaration(self, ctx:JavaParserLabeled.ClassDeclarationContext):
self.enter_class = False
if ctx.IDENTIFIER().getText() != self.class_identifier:
return
old_file = open(self.filename, 'w')
old_file.write(self.token_stream_rewriter.getDefaultText().replace("\r", ""))
# Exit a parse tree produced by Java9_v2Parser#normalClassDeclaration.
# def exitNormalClassDeclaration(self, ctx: Java9_v2Parser.NormalClassDeclarationContext):
# self.enter_class = False
# if ctx.identifier().getText() != self.class_identifier:
# return
#
# old_file = open(self.filename, 'w')
# old_file.write(self.token_stream_rewriter.getDefaultText().replace("\r", ""))
#
# # print("----------------------------")
# # print("Class attributes: ", str(self.class_fields))
# # print("Class methods: ", str(self.class_methods))
# # print("----------------------------")
# Enter a parse tree produced by Java9_v2Parser#fieldDeclaration.
def enterFieldDeclaration(self, ctx:JavaParserLabeled.FieldDeclarationContext):
if not self.enter_class:
return
self.enter_field = True
self.is_found_field = False
# def enterFieldDeclaration(self, ctx:Java9_v2Parser.FieldDeclarationContext):
# if not self.enter_class:
# return
# self.enter_field = True
# self.is_found_field = False
# Exit a parse tree produced by Java9_v2Parser#fieldDeclaration.
def exitClassBodyDeclaration2(self, ctx:JavaParserLabeled.ClassBodyDeclaration2Context):
if not self.enter_class:
return
# print("Enter 'exitFieldDeclaration' Methode")
start = ctx.start.tokenIndex
stop = ctx.stop.tokenIndex
if (self.is_found_field):
self.token_stream_rewriter.delete(program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
from_idx=start,
to_idx=stop)
print(f'Field: "{self.fieldname}" SUCCESSFULLY REMOVED...')
# def exitFieldDeclaration(self, ctx:JavaParserLabeled.FieldDeclarationContext):
# if not self.enter_class:
# return
#
# # print("Enter 'exitFieldDeclaration' Methode")
# start = ctx.start.tokenIndex
# stop = ctx.stop.tokenIndex
#
# if (self.is_found_field):
# self.token_stream_rewriter.delete(program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
# from_idx=start,
# to_idx=stop)
# print(f'Field: "{self.fieldname}" SUCCESSFULLY REMOVED...')
# def exitFieldDeclaration(self, ctx: Java9_v2Parser.FieldDeclarationContext):
# if not self.enter_class:
# return
#
# # print("Enter 'exitFieldDeclaration' Methode")
# start = ctx.start.tokenIndex
# stop = ctx.stop.tokenIndex
#
# if (self.is_found_field):
# self.token_stream_rewriter.delete(program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
# from_idx=start,
# to_idx=stop)
# print(f'Field: "{self.fieldname}" SUCCESSFULLY REMOVED...')
# Exit a parse tree produced by Java9_v2Parser#variableDeclaratorList.
def exitVariableDeclarators(self, ctx:JavaParserLabeled.VariableDeclaratorsContext):
if not (self.enter_class and self.enter_field):
return
# print("Enter 'exitVariableDeclaratorList' Methode")
fields = ctx.getText().split(',')
start = ctx.start.tokenIndex
stop = ctx.stop.tokenIndex
for index, field in enumerate(fields):
if (self.fieldname == str(field).split('=')[0]):
self.is_found = True
self.is_found_field = True
print(f'Find "{self.fieldname}", At: {start} - {stop}')
if (len(fields) == 1):
return
del fields[index]
print('New: ' ,', '.join(str(field) for field in fields))
self.token_stream_rewriter.replace(program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
from_idx=start,
to_idx=stop,
text=', '.join(str(field) for field in fields))
self.is_found_field = False
print(f'Field: "{self.fieldname}" SUCCESSFULLY REMOVED...')
break
# def exitVariableDeclaratorList(self, ctx:Java9_v2Parser.VariableDeclaratorListContext):
# if not (self.enter_class and self.enter_field):
# return
# # print("Enter 'exitVariableDeclaratorList' Methode")
# fields = ctx.getText().split(',')
# start = ctx.start.tokenIndex
# stop = ctx.stop.tokenIndex
# for index, field in enumerate(fields):
# if (self.fieldname == str(field).split('=')[0]):
# self.is_found = True
# self.is_found_field = True
# print(f'Find "{self.fieldname}", At: {start} - {stop}')
# if (len(fields) == 1):
# return
# del fields[index]
# print('New: ' ,', '.join(str(field) for field in fields))
# self.token_stream_rewriter.replace(program_name=self.token_stream_rewriter.DEFAULT_PROGRAM_NAME,
# from_idx=start,
# to_idx=stop,
# text=', '.join(str(field) for field in fields))
# self.is_found_field = False
# print(f'Field: "{self.fieldname}" SUCCESSFULLY REMOVED...')
# break
def exitCompilationUnit(self, ctx:JavaParserLabeled.CompilationUnitContext):
if not self.is_found:
print(f'Field "{self.fieldname}" NOT FOUND...')
