Python CommonTree.replaceChildren Examples

Example #1

    def testReplaceAtRight(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))  # index 2

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(2, 2, newChild)
        expecting = "(a b c x)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #2

File: testtree.py Project: 166MMX/antlr3

    def testReplaceAtLeft(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b"))) # index 0
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(0, 0, newChild)
        expecting = "(a x c d)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #3

File: testtree.py Project: aopui/antlr

    def testReplaceAtRight(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))  # index 2

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(2, 2, newChild)
        expecting = "(a b c x)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #4

File: testtree.py Project: aopui/antlr

    def testReplaceWithOneChildren(self):
        # assume token type 99 and use text
        t = CommonTree(CommonToken(99, text="a"))
        c0 = CommonTree(CommonToken(99, text="b"))
        t.addChild(c0)

        newChild = CommonTree(CommonToken(99, text="c"))
        t.replaceChildren(0, 0, newChild)
        expecting = "(a c)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #5

File: testtree.py Project: aopui/antlr

    def testReplaceInMiddle(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))  # index 1
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(1, 1, newChild)
        expecting = "(a b x d)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #6

    def testReplaceWithOneChildren(self):
        # assume token type 99 and use text
        t = CommonTree(CommonToken(99, text="a"))
        c0 = CommonTree(CommonToken(99, text="b"))
        t.addChild(c0)

        newChild = CommonTree(CommonToken(99, text="c"))
        t.replaceChildren(0, 0, newChild)
        expecting = "(a c)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #7

File: testtree.py Project: aopui/antlr

    def testReplaceWithNoChildren(self):
        t = CommonTree(CommonToken(101))
        newChild = CommonTree(CommonToken(5))
        error = False
        try:
            t.replaceChildren(0, 0, newChild)

        except IndexError:
            error = True

        self.failUnless(error)

Example #8

    def testReplaceInMiddle(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))  # index 1
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(1, 1, newChild)
        expecting = "(a b x d)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #9

    def testReplaceWithNoChildren(self):
        t = CommonTree(CommonToken(101))
        newChild = CommonTree(CommonToken(5))
        error = False
        try:
            t.replaceChildren(0, 0, newChild)

        except IndexError:
            error = True

        self.failUnless(error)

Example #10

    def testReplaceAtLeft(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))  # index 0
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))
        t.replaceChildren(0, 0, newChild)
        expecting = "(a x c d)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #11

File: testtree.py Project: aopui/antlr

    def testReplaceTwoWithOneAtLeft(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))

        t.replaceChildren(0, 1, newChild)
        expecting = "(a x d)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #12

    def testReplaceTwoWithOneAtLeft(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))

        t.replaceChildren(0, 1, newChild)
        expecting = "(a x d)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #13

    def testReplaceTwoWithOneAtRight(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))

        t.replaceChildren(1, 2, newChild)
        expecting = "(a b x)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #14

File: testtree.py Project: 166MMX/antlr3

    def testReplaceTwoWithOneAtRight(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChild = CommonTree(CommonToken(99, text="x"))

        t.replaceChildren(1, 2, newChild)
        expecting = "(a b x)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #15

File: testtree.py Project: aopui/antlr

    def testReplaceAllWithTwo(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChildren = self.adaptor.nil()
        newChildren.addChild(CommonTree(CommonToken(99, text="x")))
        newChildren.addChild(CommonTree(CommonToken(99, text="y")))

        t.replaceChildren(0, 2, newChildren)
        expecting = "(a x y)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #16

    def testReplaceAllWithTwo(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChildren = self.adaptor.nil()
        newChildren.addChild(CommonTree(CommonToken(99, text="x")))
        newChildren.addChild(CommonTree(CommonToken(99, text="y")))

        t.replaceChildren(0, 2, newChildren)
        expecting = "(a x y)"
        self.failUnlessEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #17

File: testtree.py Project: 166MMX/antlr3

    def testReplaceOneWithTwoInMiddle(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChildren = self.adaptor.nil()
        newChildren.addChild(CommonTree(CommonToken(99, text="x")))
        newChildren.addChild(CommonTree(CommonToken(99, text="y")))

        t.replaceChildren(1, 1, newChildren)
        expecting = "(a b x y d)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()

Example #18

    def testReplaceOneWithTwoInMiddle(self):
        t = CommonTree(CommonToken(99, text="a"))
        t.addChild(CommonTree(CommonToken(99, text="b")))
        t.addChild(CommonTree(CommonToken(99, text="c")))
        t.addChild(CommonTree(CommonToken(99, text="d")))

        newChildren = self.adaptor.nil()
        newChildren.addChild(CommonTree(CommonToken(99, text="x")))
        newChildren.addChild(CommonTree(CommonToken(99, text="y")))

        t.replaceChildren(1, 1, newChildren)
        expecting = "(a b x y d)"
        self.assertEqual(expecting, t.toStringTree())
        t.sanityCheckParentAndChildIndexes()