def add_property(self, name, value):
prop = AstNode('property')
prop.addChild(AstNode('name', name))
prop.addChild(AstNode('value', value))
self.addChild(prop)
def _branch_transform(astNode):
res = AstNode("branch")
for child in astNode.getChildren():
child.setId("")
res.addChild(child)
return res
def _group_transform(astNode):
res = AstNode("group")
for child in astNode.getChildrenById('branch'):
child.setId('')
res.addChild(child)
return res
def _comment_transform(astNode):
line = astNode.getChildById('line')
if line:
res = AstNode('line-comment')
begin = AstNode('begin', astNode.getChildById('begin').getText())
res.addChild(begin)
else:
res = AstNode('block-comment')
begin = AstNode('begin', astNode.getChildById('begin').getText())
res.addChild(begin)
end = AstNode('end', astNode.getChildById('end').getText())
res.addChild(end)
return res
def transform(self, astNode):
res = AstNode('meta-grammar')
commentNodes = astNode.getChildrenById('comment-style')
if commentNodes:
node = AstNode('comment-styles')
res.addChild(node)
line = None
block = None
for cnode in commentNodes:
if line and block:
break
if line is None and cnode.getName() == 'line-comment':
cnode.setId('')
node.addChild(cnode)
line = cnode
continue
if block is None and cnode.getName() == 'block-comment':
cnode.setId('')
node.addChild(cnode)
block = cnode
enableNodes = astNode.getChildrenById('enable')
if enableNodes:
node = AstNode('enable')
for item in enableNodes:
node.addChild(item)
res.addChild(node)
tokensNodes = astNode.getChildrenById('tokens')
if tokensNodes:
node = AstNode('tokens')
res.addChild(node)
for tn in tokensNodes:
for t in tn.getChildren():
node.addChild(t)
ruleNodes = astNode.getChildrenById('rule')
if ruleNodes:
node = AstNode('rules')
res.addChild(node)
for rn in ruleNodes:
rn.setId('')
node.addChild(rn)
return res
def _branch_elem_transform(astNode):
res = AstNode('element')
for child in astNode.getChildren():
id_ = child.getId()
if id_ == 'token':
node = AstNode('token-id', child.getText())
res.addChild(node)
elif id_ == 'rule':
node = AstNode('rule-id', child.getText())
res.addChild(node)
elif id_ == 'keyword':
node = AstNode('keyword-text', child.getText()[1:-1])
res.addChild(node)
elif id_ == 'group':
child.setId('')
res.addChild(child)
elif id_ == 'id':
node = AstNode('id', child.getText())
res.addChild(node)
elif id_ == 'mult':
child.setId('')
res.addChild(child)
return res
