java2python/java2python/compiler/__init__.py at master · kurtli/java2python · GitHub

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#!/usr/bin/env python

# -*- coding: utf-8 -*-

# java2python.compiler package marker.

# This module provides a simpler facade over the rest of the compiler

# subpackage. Client code should use the values in this module

# instead of using directly referencing items within the subpackage.

from java2python.compiler.block import Module

from java2python.lang import Lexer, Parser, StringStream, TokenStream, TreeAdaptor

def buildAST(source):

""" Returns an AST for the given source. """

lexer = Lexer(StringStream(source))

parser = Parser(TokenStream(lexer))

adapter = TreeAdaptor(lexer, parser)

parser.setTreeAdaptor(adapter)

scope = parser.javaSource()

return scope.tree

def buildJavaDocAST(source):

""" Returns an AST for the given javadoc source. """

from java2python.lang.JavaDocLexer import JavaDocLexer

from java2python.lang.JavaDocParser import JavaDocParser

lexer = JavaDocLexer(StringStream(source))

parser = JavaDocParser(TokenStream(lexer))

scope = parser.commentBody()

return scope.tree

def transformAST(tree, config):

""" Walk the tree and apply the transforms in the config. """

for selector, call in config.last('astTransforms', ()):

for node in selector.walk(tree):

call(node, config)

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