svgui/pyjs/pyjs.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Mon, 21 Aug 2017 21:55:18 +0300
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parent 1776 81aa8aaccdd4
child 1783 3311eea28d56
permissions -rw-r--r--
clean-up: fix PEP8 E265 block comment should start with '# '
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#!/usr/bin/env python
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# Copyright 2006 James Tauber and contributors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from types import StringType
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import compiler
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from compiler import ast
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import os
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import copy
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# the standard location for builtins (e.g. pyjslib) can be
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# over-ridden by changing this.  it defaults to sys.prefix
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# so that on a system-wide install of pyjamas the builtins
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# can be found in e.g. {sys.prefix}/share/pyjamas
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#
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# over-rides can be done by either explicitly modifying
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# pyjs.prefix or by setting an environment variable, PYJSPREFIX.
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prefix = sys.prefix
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if 'PYJSPREFIX' in os.environ:
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    prefix = os.environ['PYJSPREFIX']
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# pyjs.path is the list of paths, just like sys.path, from which
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# library modules will be searched for, for compile purposes.
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# obviously we don't want to use sys.path because that would result
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# in compiling standard python modules into javascript!
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path = [os.path.abspath('')]
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if 'PYJSPATH' in os.environ:
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    for p in os.environ['PYJSPATH'].split(os.pathsep):
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        p = os.path.abspath(p)
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        if os.path.isdir(p):
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            path.append(p)
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# this is the python function used to wrap native javascript
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NATIVE_JS_FUNC_NAME = "JS"
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UU = ""
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PYJSLIB_BUILTIN_FUNCTIONS = ("cmp",
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                             "map",
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                             "filter",
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                             "dir",
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                             "getattr",
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                             "setattr",
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                             "hasattr",
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                             "int",
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                             "float",
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                             "str",
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                             "repr",
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                             "range",
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                             "len",
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                             "hash",
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                             "abs",
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                             "ord",
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                             "chr",
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                             "enumerate",
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                             "min",
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                             "max",
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                             "bool",
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                             "type",
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                             "isinstance")
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PYJSLIB_BUILTIN_CLASSES = ("BaseException",
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                           "Exception",
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                           "StandardError",
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                           "StopIteration",
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                           "AttributeError",
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                           "TypeError",
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                           "KeyError",
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                           "LookupError",
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                           "list",
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                           "dict",
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                           "object",
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                           "tuple")
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def pyjs_builtin_remap(name):
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    # XXX HACK!
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    if name == 'list':
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        name = 'List'
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    if name == 'object':
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        name = '__Object'
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    if name == 'dict':
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        name = 'Dict'
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    if name == 'tuple':
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        name = 'Tuple'
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    return name
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# XXX: this is a hack: these should be dealt with another way
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# however, console is currently the only global name which is causing
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# problems.
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PYJS_GLOBAL_VARS = ("console")
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# This is taken from the django project.
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# Escape every ASCII character with a value less than 32.
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JS_ESCAPES = (
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    ('\\', r'\x5C'),
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    ('\'', r'\x27'),
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    ('"', r'\x22'),
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    ('>', r'\x3E'),
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    ('<', r'\x3C'),
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    ('&', r'\x26'),
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    (';', r'\x3B')
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    ) + tuple([('%c' % z, '\\x%02X' % z) for z in range(32)])
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def escapejs(value):
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    """Hex encodes characters for use in JavaScript strings."""
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    for bad, good in JS_ESCAPES:
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        value = value.replace(bad, good)
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    return value
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def uuprefix(name, leave_alone=0):
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    name = name.split(".")
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    name = name[:leave_alone] + map(lambda x: "__%s" % x, name[leave_alone:])
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    return '.'.join(name)
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class Klass:
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    klasses = {}
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    def __init__(self, name, name_):
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        self.name = name
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        self.name_ = name_
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        self.klasses[name] = self
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        self.functions = set()
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    def set_base(self, base_name):
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        self.base = self.klasses.get(base_name)
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    def add_function(self, function_name):
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        self.functions.add(function_name)
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class TranslationError(Exception):
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    def __init__(self, message, node):
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        self.message = "line %s:\n%s\n%s" % (node.lineno, message, node)
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    def __str__(self):
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        return self.message
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def strip_py(name):
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    return name
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def mod_var_name_decl(raw_module_name):
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    """ function to get the last component of the module e.g.
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        pyjamas.ui.DOM into the "namespace".  i.e. doing
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        "import pyjamas.ui.DOM" actually ends up with _two_
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        variables - one pyjamas.ui.DOM, the other just "DOM".
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        but "DOM" is actually local, hence the "var" prefix.
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        for PyV8, this might end up causing problems - we'll have
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        to see: gen_mod_import and mod_var_name_decl might have
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        to end up in a library-specific module, somewhere.
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    """
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    name = raw_module_name.split(".")
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    if len(name) == 1:
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        return ''
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    child_name = name[-1]
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    return "var %s = %s;\n" % (child_name, raw_module_name)
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def gen_mod_import(parentName, importName, dynamic=1):
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    # pyjs_ajax_eval("%(n)s.cache.js", null, true);
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    return """
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    pyjslib.import_module(sys.loadpath, '%(p)s', '%(n)s', %(d)d, false);
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    """ % ({'p': parentName, 'd': dynamic, 'n': importName}) + \
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        mod_var_name_decl(importName)
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class Translator:
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    def __init__(self, mn, module_name, raw_module_name, src, debug, mod, output,
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                 dynamic=0, optimize=False,
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                 findFile=None):
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        if module_name:
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            self.module_prefix = module_name + "."
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        else:
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            self.module_prefix = ""
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        self.raw_module_name = raw_module_name
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        src = src.replace("\r\n", "\n")
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        src = src.replace("\n\r", "\n")
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        src = src.replace("\r",   "\n")
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        self.src = src.split("\n")
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        self.debug = debug
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        self.imported_modules = []
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        self.imported_modules_as = []
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        self.imported_js = set()
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        self.top_level_functions = set()
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        self.top_level_classes = set()
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        self.top_level_vars = set()
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        self.local_arg_stack = [[]]
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        self.output = output
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        self.imported_classes = {}
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        self.method_imported_globals = set()
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        self.method_self = None
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        self.nextTupleAssignID = 1
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        self.dynamic = dynamic
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        self.optimize = optimize
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        self.findFile = findFile
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        if module_name.find(".") >= 0:
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            vdec = ''
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        else:
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            vdec = 'var '
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        print >>self.output, UU+"%s%s = function (__mod_name__) {" % (vdec, module_name)
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        print >>self.output, "    if("+module_name+".__was_initialized__) return;"
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        print >>self.output, "    "+UU+module_name+".__was_initialized__ = true;"
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        print >>self.output, UU+"if (__mod_name__ == null) __mod_name__ = '%s';" % (mn)
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        print >>self.output, UU+"%s.__name__ = __mod_name__;" % (raw_module_name)
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        decl = mod_var_name_decl(raw_module_name)
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        if decl:
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            print >>self.output, decl
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        if self.debug:
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            haltException = self.module_prefix + "HaltException"
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            print >>self.output, haltException + ' = function () {'
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            print >>self.output, '  this.message = "Program Halted";'
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            print >>self.output, '  this.name = "' + haltException + '";'
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            print >>self.output, '}'
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            print >>self.output, ''
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            print >>self.output, haltException + ".prototype.__str__ = function()"
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            print >>self.output, '{'
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            print >>self.output, 'return this.message ;'
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            print >>self.output, '}'
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            print >>self.output, haltException + ".prototype.toString = function()"
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            print >>self.output, '{'
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            print >>self.output, 'return this.name + ": \\"" + this.message + "\\"";'
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            print >>self.output, '}'
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            isHaltFunction = self.module_prefix + "IsHaltException"
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            print >>self.output, """
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    %s = function (s) {
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      var suffix="HaltException";
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      if (s.length < suffix.length) {
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        //alert(s + " " + suffix);
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        return false;
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      } else {
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        var ss = s.substring(s.length, (s.length - suffix.length));
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        //alert(s + " " + suffix + " " + ss);
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        return ss == suffix;
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      }
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    }
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                """ % isHaltFunction
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        for child in mod.node:
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            if isinstance(child, ast.Function):
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                self.top_level_functions.add(child.name)
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            elif isinstance(child, ast.Class):
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                self.top_level_classes.add(child.name)
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        for child in mod.node:
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            if isinstance(child, ast.Function):
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                self._function(child, False)
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   279
            elif isinstance(child, ast.Class):
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                self._class(child)
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            elif isinstance(child, ast.Import):
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                importName = child.names[0][0]
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                if importName == '__pyjamas__':  # special module to help make pyjamas modules loadable in the python interpreter
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                    pass
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                elif importName.endswith('.js'):
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                    self.imported_js.add(importName)
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                else:
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                    self.add_imported_module(strip_py(importName))
371
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            elif isinstance(child, ast.From):
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                if child.modname == '__pyjamas__':  # special module to help make pyjamas modules loadable in the python interpreter
371
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                    pass
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                else:
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   293
                    self.add_imported_module(child.modname)
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   294
                    self._from(child)
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   295
            elif isinstance(child, ast.Discard):
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   296
                self._discard(child, None)
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   297
            elif isinstance(child, ast.Assign):
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   298
                self._assign(child, None, True)
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   299
            elif isinstance(child, ast.AugAssign):
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   300
                self._augassign(child, None)
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   301
            elif isinstance(child, ast.If):
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   302
                self._if(child, None)
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   303
            elif isinstance(child, ast.For):
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parents:
diff changeset
   304
                self._for(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
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parents:
diff changeset
   305
            elif isinstance(child, ast.While):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   306
                self._while(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   307
            elif isinstance(child, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   308
                self._subscript_stmt(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   309
            elif isinstance(child, ast.Global):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   310
                self._global(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   311
            elif isinstance(child, ast.Printnl):
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
   312
                self._print(child, None)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   313
            elif isinstance(child, ast.Print):
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
   314
                self._print(child, None)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   315
            elif isinstance(child, ast.TryExcept):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   316
                self._tryExcept(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   317
            elif isinstance(child, ast.Raise):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   318
                self._raise(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   319
            elif isinstance(child, ast.Stmt):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   320
                self._stmt(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   321
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   322
                raise TranslationError("unsupported type (in __init__)", child)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   323
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   324
        # Initialize all classes for this module
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   325
        # print >> self.output, "__"+self.modpfx()+\
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   326
        #          "classes_initialize = function() {\n"
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   327
        # for className in self.top_level_classes:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   328
        #    print >> self.output, "\t"+UU+self.modpfx()+"__"+className+"_initialize();"
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   329
        # print >> self.output, "};\n"
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   330
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   331
        print >> self.output, "return this;\n"
1754
63f4af6bf6d9 clean-up: fix most PEP8 E221 multiple spaces before operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1752
diff changeset
   332
        print >> self.output, "}; /* end %s */ \n" % module_name
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   333
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   334
    def module_imports(self):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   335
        return self.imported_modules + self.imported_modules_as
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   336
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   337
    def add_local_arg(self, varname):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   338
        local_vars = self.local_arg_stack[-1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   339
        if varname not in local_vars:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   340
            local_vars.append(varname)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   341
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   342
    def add_imported_module(self, importName):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   343
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   344
        if importName in self.imported_modules:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   345
            return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   346
        self.imported_modules.append(importName)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   347
        name = importName.split(".")
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   348
        if len(name) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   349
            # add the name of the module to the namespace,
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   350
            # but don't add the short name to imported_modules
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   351
            # because then the short name would be attempted to be
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   352
            # added to the dependencies, and it's half way up the
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   353
            # module import directory structure!
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   354
            child_name = name[-1]
1730
64d8f52bc8c8 clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 728
diff changeset
   355
            self.imported_modules_as.append(child_name)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   356
        print >> self.output, gen_mod_import(self.raw_module_name,
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   357
                                             strip_py(importName),
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   358
                                             self.dynamic)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   359
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   360
    def _default_args_handler(self, node, arg_names, current_klass,
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   361
                              output=None):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   362
        if len(node.defaults):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   363
            output = output or self.output
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   364
            default_pos = len(arg_names) - len(node.defaults)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   365
            if arg_names and arg_names[0] == self.method_self:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   366
                default_pos -= 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   367
            for default_node in node.defaults:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   368
                if isinstance(default_node, ast.Const):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   369
                    default_value = self._const(default_node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   370
                elif isinstance(default_node, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   371
                    default_value = self._name(default_node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   372
                elif isinstance(default_node, ast.UnarySub):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   373
                    default_value = self._unarysub(default_node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   374
                else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   375
                    raise TranslationError("unsupported type (in _method)", default_node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   376
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   377
                default_name = arg_names[default_pos]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   378
                default_pos += 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   379
                print >> output, "    if (typeof %s == 'undefined') %s=%s;" % (default_name, default_name, default_value)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   380
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   381
    def _varargs_handler(self, node, varargname, arg_names, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   382
        print >>self.output, "    var", varargname, '= new pyjslib.Tuple();'
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   383
        print >>self.output, "    for(var __va_arg="+str(len(arg_names))+"; __va_arg < arguments.length; __va_arg++) {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   384
        print >>self.output, "        var __arg = arguments[__va_arg];"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   385
        print >>self.output, "        "+varargname+".append(__arg);"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   386
        print >>self.output, "    }"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   387
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   388
    def _kwargs_parser(self, node, function_name, arg_names, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   389
        if len(node.defaults) or node.kwargs:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   390
            default_pos = len(arg_names) - len(node.defaults)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   391
            if arg_names and arg_names[0] == self.method_self:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   392
                default_pos -= 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   393
            print >>self.output, function_name+'.parse_kwargs = function (', ", ".join(["__kwargs"]+arg_names), ") {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   394
            for default_node in node.defaults:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   395
                default_value = self.expr(default_node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   396
#                if isinstance(default_node, ast.Const):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   397
#                    default_value = self._const(default_node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   398
#                elif isinstance(default_node, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   399
#                    default_value = self._name(default_node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   400
#                elif isinstance(default_node, ast.UnarySub):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   401
#                    default_value = self._unarysub(default_node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   402
#                else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   403
#                    raise TranslationError("unsupported type (in _method)", default_node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   404
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   405
                default_name = arg_names[default_pos]
1734
750eeb7230a1 clean-up: fix some PEP8 E228 missing whitespace around modulo operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1730
diff changeset
   406
                print >>self.output, "    if (typeof %s == 'undefined')" % (default_name)
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   407
                print >>self.output, "        %s=__kwargs.%s;" % (default_name, default_name)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   408
                default_pos += 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   409
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   410
            # self._default_args_handler(node, arg_names, current_klass)
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   411
            if node.kwargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   412
                arg_names += ["pyjslib.Dict(__kwargs)"]
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   413
            print >>self.output, "    var __r = "+"".join(["[", ", ".join(arg_names), "]"])+";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   414
            if node.varargs:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   415
                self._varargs_handler(node, "__args", arg_names, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   416
                print >>self.output, "    __r.push.apply(__r, __args.getArray())"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   417
            print >>self.output, "    return __r;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   418
            print >>self.output, "};"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   419
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   420
    def _function(self, node, local=False):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   421
        if local:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   422
            function_name = node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   423
            self.add_local_arg(function_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   424
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   425
            function_name = UU + self.modpfx() + node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   426
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   427
        arg_names = list(node.argnames)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   428
        normal_arg_names = list(arg_names)
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   429
        if node.kwargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   430
            kwargname = normal_arg_names.pop()
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   431
        if node.varargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   432
            varargname = normal_arg_names.pop()
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   433
        declared_arg_names = list(normal_arg_names)
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   434
        if node.kwargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   435
            declared_arg_names.append(kwargname)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   436
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   437
        function_args = "(" + ", ".join(declared_arg_names) + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   438
        print >>self.output, "%s = function%s {" % (function_name, function_args)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   439
        self._default_args_handler(node, normal_arg_names, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   440
1730
64d8f52bc8c8 clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 728
diff changeset
   441
        local_arg_names = normal_arg_names + declared_arg_names
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   442
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   443
        if node.varargs:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   444
            self._varargs_handler(node, varargname, declared_arg_names, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   445
            local_arg_names.append(varargname)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   446
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   447
        # stack of local variable names for this function call
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   448
        self.local_arg_stack.append(local_arg_names)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   449
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   450
        for child in node.code:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   451
            self._stmt(child, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   452
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   453
        # remove the top local arg names
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   454
        self.local_arg_stack.pop()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   455
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   456
        # we need to return null always, so it is not undefined
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   457
        lastStmt = [p for p in node.code][-1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   458
        if not isinstance(lastStmt, ast.Return):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   459
            if not self._isNativeFunc(lastStmt):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   460
                print >>self.output, "    return null;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   461
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   462
        print >>self.output, "};"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   463
        print >>self.output, "%s.__name__ = '%s';\n" % (function_name, node.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   464
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   465
        self._kwargs_parser(node, function_name, normal_arg_names, None)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   466
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   467
    def _return(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   468
        expr = self.expr(node.value, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   469
        # in python a function call always returns None, so we do it
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   470
        # here too
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   471
        print >>self.output, "    return " + expr + ";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   472
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   473
    def _break(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   474
        print >>self.output, "    break;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   475
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   476
    def _continue(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   477
        print >>self.output, "    continue;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   478
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   479
    def _callfunc(self, v, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   480
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   481
        if isinstance(v.node, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   482
            if v.node.name in self.top_level_functions:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   483
                call_name = self.modpfx() + v.node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   484
            elif v.node.name in self.top_level_classes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   485
                call_name = self.modpfx() + v.node.name
1763
bcc07ff2362c clean-up: fix PEP8 W601 .has_key() is deprecated, use 'in'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1757
diff changeset
   486
            elif v.node.name in self.imported_classes:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   487
                call_name = self.imported_classes[v.node.name] + '.' + v.node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   488
            elif v.node.name in PYJSLIB_BUILTIN_FUNCTIONS:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   489
                call_name = 'pyjslib.' + v.node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   490
            elif v.node.name in PYJSLIB_BUILTIN_CLASSES:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   491
                name = pyjs_builtin_remap(v.node.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   492
                call_name = 'pyjslib.' + name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   493
            elif v.node.name == "callable":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   494
                call_name = "pyjslib.isFunction"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   495
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   496
                call_name = v.node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   497
            call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   498
        elif isinstance(v.node, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   499
            attr_name = v.node.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   500
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   501
            if isinstance(v.node.expr, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   502
                call_name = self._name2(v.node.expr, current_klass, attr_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   503
                call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   504
            elif isinstance(v.node.expr, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   505
                call_name = self._getattr2(v.node.expr, current_klass, attr_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   506
                call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   507
            elif isinstance(v.node.expr, ast.CallFunc):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   508
                call_name = self._callfunc(v.node.expr, current_klass) + "." + v.node.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   509
                call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   510
            elif isinstance(v.node.expr, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   511
                call_name = self._subscript(v.node.expr, current_klass) + "." + v.node.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   512
                call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   513
            elif isinstance(v.node.expr, ast.Const):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   514
                call_name = self.expr(v.node.expr, current_klass) + "." + v.node.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   515
                call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   516
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   517
                raise TranslationError("unsupported type (in _callfunc)", v.node.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   518
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   519
            raise TranslationError("unsupported type (in _callfunc)", v.node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   520
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   521
        call_name = strip_py(call_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   522
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   523
        kwargs = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   524
        star_arg_name = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   525
        if v.star_args:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   526
            star_arg_name = self.expr(v.star_args, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   527
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   528
        for ch4 in v.args:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   529
            if isinstance(ch4, ast.Keyword):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   530
                kwarg = ch4.name + ":" + self.expr(ch4.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   531
                kwargs.append(kwarg)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   532
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   533
                arg = self.expr(ch4, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   534
                call_args.append(arg)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   535
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   536
        if kwargs:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   537
            fn_args = ", ".join(['{' + ', '.join(kwargs) + '}']+call_args)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   538
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   539
            fn_args = ", ".join(call_args)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   540
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   541
        if kwargs or star_arg_name:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   542
            if not star_arg_name:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   543
                star_arg_name = 'null'
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   544
            try:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   545
                call_this, method_name = call_name.rsplit(".", 1)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   546
            except ValueError:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   547
                # Must be a function call ...
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   548
                return ("pyjs_kwargs_function_call("+call_name+", "
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   549
                        + star_arg_name + ", ["+fn_args+"]" + ")")
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   550
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   551
                return ("pyjs_kwargs_method_call("+call_this+", '"+method_name+"', "
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   552
                        + star_arg_name + ", ["+fn_args+"]" + ")")
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   553
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   554
            return call_name + "(" + ", ".join(call_args) + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   555
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   556
    def _print(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   557
        if self.optimize:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   558
            return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   559
        call_args = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   560
        for ch4 in node.nodes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   561
            arg = self.expr(ch4, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   562
            call_args.append(arg)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   563
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   564
        print >>self.output, "pyjslib.printFunc([", ', '.join(call_args), "],", int(isinstance(node, ast.Printnl)), ");"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   565
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   566
    def _tryExcept(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   567
        if len(node.handlers) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   568
            raise TranslationError("except statements in this form are" +
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   569
                                   " not supported", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   570
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   571
        expr = node.handlers[0][0]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   572
        as_ = node.handlers[0][1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   573
        if as_:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   574
            errName = as_.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   575
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   576
            errName = 'err'
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   577
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   578
        # XXX TODO: check that this should instead be added as a _separate_
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   579
        # local scope, temporary to the function.  oh dearie me.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   580
        self.add_local_arg(errName)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   581
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   582
        print >>self.output, "    try {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   583
        for stmt in node.body.nodes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   584
            self._stmt(stmt, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   585
        print >> self.output, "    } catch(%s) {" % errName
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   586
        if expr:
1755
624b9694cb0d clean-up: fix PEP8 E741 ambiguous variable name
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1754
diff changeset
   587
            k = []
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   588
            if isinstance(expr, ast.Tuple):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   589
                for x in expr.nodes:
1771
f68a105000be clean-up: fix PEP8 E211 whitespace before '[' or '('
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   590
                    k.append("(%(err)s.__name__ == %(expr)s.__name__)" % dict(err=errName, expr=self.expr(x, current_klass)))
f68a105000be clean-up: fix PEP8 E211 whitespace before '[' or '('
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   591
            else:
f68a105000be clean-up: fix PEP8 E211 whitespace before '[' or '('
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1768
diff changeset
   592
                k = [" (%(err)s.__name__ == %(expr)s.__name__) " % dict(err=errName, expr=self.expr(expr, current_klass))]
1755
624b9694cb0d clean-up: fix PEP8 E741 ambiguous variable name
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1754
diff changeset
   593
            print >> self.output, "   if(%s) {" % '||\n\t\t'.join(k)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   594
        for stmt in node.handlers[0][2]:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   595
            self._stmt(stmt, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   596
        if expr:
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   597
            # print >> self.output, "} else { throw(%s); } " % errName
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   598
            print >> self.output, "}"
1743
c3c3d1318130 clean-up: fix PEP8 E711 comparison to None should be 'if cond is not None:'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1742
diff changeset
   599
        if node.else_ is not None:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   600
            print >>self.output, "    } finally {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   601
            for stmt in node.else_:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   602
                self._stmt(stmt, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   603
        print >>self.output, "    }"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   604
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   605
    # XXX: change use_getattr to True to enable "strict" compilation
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   606
    # but incurring a 100% performance penalty. oops.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   607
    def _getattr(self, v, current_klass, use_getattr=False):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   608
        attr_name = v.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   609
        if isinstance(v.expr, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   610
            obj = self._name(v.expr, current_klass, return_none_for_module=True)
1743
c3c3d1318130 clean-up: fix PEP8 E711 comparison to None should be 'if cond is not None:'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1742
diff changeset
   611
            if obj is None and v.expr.name in self.module_imports():
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   612
                # XXX TODO: distinguish between module import classes
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   613
                # and variables.  right now, this is a hack to get
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   614
                # the sys module working.
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   615
                # if v.expr.name == 'sys':
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   616
                return v.expr.name+'.'+attr_name
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   617
                # return v.expr.name+'.__'+attr_name+'.prototype.__class__'
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   618
            if not use_getattr or attr_name == '__class__' or \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   619
                    attr_name == '__name__':
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   620
                return obj + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   621
            return "pyjslib.getattr(%s, '%s')" % (obj, attr_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   622
        elif isinstance(v.expr, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   623
            return self._getattr(v.expr, current_klass) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   624
        elif isinstance(v.expr, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   625
            return self._subscript(v.expr, self.modpfx()) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   626
        elif isinstance(v.expr, ast.CallFunc):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   627
            return self._callfunc(v.expr, self.modpfx()) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   628
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   629
            raise TranslationError("unsupported type (in _getattr)", v.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   630
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   631
    def modpfx(self):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   632
        return strip_py(self.module_prefix)
1730
64d8f52bc8c8 clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 728
diff changeset
   633
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   634
    def _name(self, v, current_klass, top_level=False,
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   635
              return_none_for_module=False):
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   636
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   637
        if v.name == 'ilikesillynamesfornicedebugcode':
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   638
            print top_level, current_klass, repr(v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   639
            print self.top_level_vars
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   640
            print self.top_level_functions
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   641
            print self.local_arg_stack
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   642
            print "error..."
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   643
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   644
        local_var_names = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   645
        las = len(self.local_arg_stack)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   646
        if las > 0:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   647
            local_var_names = self.local_arg_stack[-1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   648
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   649
        if v.name == "True":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   650
            return "true"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   651
        elif v.name == "False":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   652
            return "false"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   653
        elif v.name == "None":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   654
            return "null"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   655
        elif v.name == '__name__' and current_klass is None:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   656
            return self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   657
        elif v.name == self.method_self:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   658
            return "this"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   659
        elif v.name in self.top_level_functions:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   660
            return UU+self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   661
        elif v.name in self.method_imported_globals:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   662
            return UU+self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   663
        elif not current_klass and las == 1 and v.name in self.top_level_vars:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   664
            return UU+self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   665
        elif v.name in local_var_names:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   666
            return v.name
1763
bcc07ff2362c clean-up: fix PEP8 W601 .has_key() is deprecated, use 'in'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1757
diff changeset
   667
        elif v.name in self.imported_classes:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   668
            return UU+self.imported_classes[v.name] + '.__' + v.name + ".prototype.__class__"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   669
        elif v.name in self.top_level_classes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   670
            return UU+self.modpfx() + "__" + v.name + ".prototype.__class__"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   671
        elif v.name in self.module_imports() and return_none_for_module:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   672
            return None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   673
        elif v.name in PYJSLIB_BUILTIN_CLASSES:
1746
45d6f5fba016 clean-up: fix PEP8 E202 whitespace before ')'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1744
diff changeset
   674
            return "pyjslib." + pyjs_builtin_remap(v.name)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   675
        elif current_klass:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   676
            if v.name not in local_var_names and \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   677
               v.name not in self.top_level_vars and \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   678
               v.name not in PYJS_GLOBAL_VARS and \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   679
               v.name not in self.top_level_functions:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   680
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   681
                cls_name = current_klass
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   682
                if hasattr(cls_name, "name"):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   683
                    cls_name_ = cls_name.name_
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   684
                    cls_name = cls_name.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   685
                else:
1737
a39c2918c015 clean-up: fix PEP8 E261 at least two spaces before inline comment
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1736
diff changeset
   686
                    cls_name_ = current_klass + "_"  # XXX ???
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   687
                name = UU+cls_name_ + ".prototype.__class__." + v.name
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   688
                if v.name == 'listener':
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   689
                    name = 'listener+' + name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   690
                return name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   691
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   692
        return v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   693
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   694
    def _name2(self, v, current_klass, attr_name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   695
        obj = v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   696
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   697
        if obj in self.method_imported_globals:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   698
            call_name = UU+self.modpfx() + obj + "." + attr_name
1763
bcc07ff2362c clean-up: fix PEP8 W601 .has_key() is deprecated, use 'in'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1757
diff changeset
   699
        elif obj in self.imported_classes:
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   700
            # attr_str = ""
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   701
            # if attr_name != "__init__":
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   702
            attr_str = ".prototype.__class__." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   703
            call_name = UU+self.imported_classes[obj] + '.__' + obj + attr_str
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   704
        elif obj in self.module_imports():
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   705
            call_name = obj + "." + attr_name
1737
a39c2918c015 clean-up: fix PEP8 E261 at least two spaces before inline comment
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1736
diff changeset
   706
        elif obj[0] == obj[0].upper():  # XXX HACK ALERT
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   707
            call_name = UU + self.modpfx() + "__" + obj + ".prototype.__class__." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   708
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   709
            call_name = UU+self._name(v, current_klass) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   710
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   711
        return call_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   712
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   713
    def _getattr2(self, v, current_klass, attr_name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   714
        if isinstance(v.expr, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   715
            call_name = self._getattr2(v.expr, current_klass, v.attrname + "." + attr_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   716
        elif isinstance(v.expr, ast.Name) and v.expr.name in self.module_imports():
1742
92932cd370a4 clean-up: fix PEP8 E225 missing whitespace around operator
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1741
diff changeset
   717
            call_name = UU+v.expr.name + '.__' + v.attrname+".prototype.__class__."+attr_name
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   718
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   719
            obj = self.expr(v.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   720
            call_name = obj + "." + v.attrname + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   721
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   722
        return call_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   723
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   724
    def _class(self, node):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   725
        """
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   726
        Handle a class definition.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   727
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   728
        In order to translate python semantics reasonably well, the following
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   729
        structure is used:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   730
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   731
        A special object is created for the class, which inherits attributes
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   732
        from the superclass, or Object if there's no superclass.  This is the
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   733
        class object; the object which you refer to when specifying the
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   734
        class by name.  Static, class, and unbound methods are copied
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   735
        from the superclass object.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   736
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   737
        A special constructor function is created with the same name as the
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   738
        class, which is used to create instances of that class.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   739
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   740
        A javascript class (e.g. a function with a prototype attribute) is
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   741
        created which is the javascript class of created instances, and
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   742
        which inherits attributes from the class object. Bound methods are
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   743
        copied from the superclass into this class rather than inherited,
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   744
        because the class object contains unbound, class, and static methods
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   745
        that we don't necessarily want to inherit.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   746
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   747
        The type of a method can now be determined by inspecting its
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   748
        static_method, unbound_method, class_method, or instance_method
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   749
        attribute; only one of these should be true.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   750
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   751
        Much of this work is done in pyjs_extend, is pyjslib.py
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   752
        """
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   753
        class_name = self.modpfx() + uuprefix(node.name, 1)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   754
        class_name_ = self.modpfx() + uuprefix(node.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   755
        current_klass = Klass(class_name, class_name_)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   756
        init_method = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   757
        for child in node.code:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   758
            if isinstance(child, ast.Function):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   759
                current_klass.add_function(child.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   760
                if child.name == "__init__":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   761
                    init_method = child
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   762
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   763
        if len(node.bases) == 0:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   764
            base_class = "pyjslib.__Object"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   765
        elif len(node.bases) == 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   766
            if isinstance(node.bases[0], ast.Name):
1763
bcc07ff2362c clean-up: fix PEP8 W601 .has_key() is deprecated, use 'in'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1757
diff changeset
   767
                if node.bases[0].name in self.imported_classes:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   768
                    base_class_ = self.imported_classes[node.bases[0].name] + '.__' + node.bases[0].name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   769
                    base_class = self.imported_classes[node.bases[0].name] + '.' + node.bases[0].name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   770
                else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   771
                    base_class_ = self.modpfx() + "__" + node.bases[0].name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   772
                    base_class = self.modpfx() + node.bases[0].name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   773
            elif isinstance(node.bases[0], ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   774
                # the bases are not in scope of the class so do not
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   775
                # pass our class to self._name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   776
                base_class_ = self._name(node.bases[0].expr, None) + \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   777
                             ".__" + node.bases[0].attrname
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   778
                base_class = \
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   779
                    self._name(node.bases[0].expr, None) + \
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   780
                    "." + node.bases[0].attrname
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   781
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   782
                raise TranslationError("unsupported type (in _class)", node.bases[0])
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   783
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   784
            current_klass.set_base(base_class)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   785
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   786
            raise TranslationError("more than one base (in _class)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   787
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   788
        print >>self.output, UU+class_name_ + " = function () {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   789
        # call superconstructor
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   790
        # if base_class:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   791
        #    print >>self.output, "    __" + base_class + ".call(this);"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   792
        print >>self.output, "}"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   793
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   794
        if not init_method:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   795
            init_method = ast.Function([], "__init__", ["self"], [], 0, None, [])
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   796
            # self._method(init_method, current_klass, class_name)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   797
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   798
        # Generate a function which constructs the object
1768
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   799
        clsfunc = ast.Function(
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   800
            [], node.name,
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   801
            init_method.argnames[1:],
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   802
            init_method.defaults,
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   803
            init_method.flags,
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   804
            None,
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   805
            [ast.Discard(ast.CallFunc(ast.Name("JS"), [ast.Const(
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   806
                #            I attempted lazy initialization, but then you can't access static class members
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   807
                #            "    if(!__"+base_class+".__was_initialized__)"+
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   808
                #            "        __" + class_name + "_initialize();\n" +
1776
81aa8aaccdd4 clean-up: fix PEP8 E122 continuation line missing indentation or outdented
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1775
diff changeset
   809
                "    var instance = new " + UU + class_name_ + "();\n" +
1768
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   810
                "    if(instance.__init__) instance.__init__.apply(instance, arguments);\n" +
691083b5682a clean-up: fix PEP8 E128 continuation line under-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1767
diff changeset
   811
                "    return instance;"
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   812
            )]))])
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   813
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   814
        self._function(clsfunc, False)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   815
        print >>self.output, UU+class_name_ + ".__initialize__ = function () {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   816
        print >>self.output, "    if("+UU+class_name_+".__was_initialized__) return;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   817
        print >>self.output, "    "+UU+class_name_+".__was_initialized__ = true;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   818
        cls_obj = UU+class_name_ + '.prototype.__class__'
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   819
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   820
        if class_name == "pyjslib.__Object":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   821
            print >>self.output, "    "+cls_obj+" = {};"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   822
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   823
            if base_class and base_class not in ("object", "pyjslib.__Object"):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   824
                print >>self.output, "    if(!"+UU+base_class_+".__was_initialized__)"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   825
                print >>self.output, "        "+UU+base_class_+".__initialize__();"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   826
                print >>self.output, "    pyjs_extend(" + UU+class_name_ + ", "+UU+base_class_+");"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   827
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   828
                print >>self.output, "    pyjs_extend(" + UU+class_name_ + ", "+UU+"pyjslib.__Object);"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   829
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   830
        print >>self.output, "    "+cls_obj+".__new__ = "+UU+class_name+";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   831
        print >>self.output, "    "+cls_obj+".__name__ = '"+UU+node.name+"';"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   832
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   833
        for child in node.code:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   834
            if isinstance(child, ast.Pass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   835
                pass
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   836
            elif isinstance(child, ast.Function):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   837
                self._method(child, current_klass, class_name, class_name_)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   838
            elif isinstance(child, ast.Assign):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   839
                self.classattr(child, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   840
            elif isinstance(child, ast.Discard) and isinstance(child.expr, ast.Const):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   841
                # Probably a docstring, turf it
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   842
                pass
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   843
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   844
                raise TranslationError("unsupported type (in _class)", child)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   845
        print >>self.output, "}"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   846
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   847
        print >> self.output, class_name_+".__initialize__();"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   848
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   849
    def classattr(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   850
        self._assign(node, current_klass, True)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   851
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   852
    def _raise(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   853
        if node.expr2:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   854
            raise TranslationError("More than one expression unsupported",
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   855
                                   node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   856
        print >> self.output, "throw (%s);" % self.expr(
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   857
            node.expr1, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   858
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   859
    def _method(self, node, current_klass, class_name, class_name_):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   860
        # reset global var scope
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   861
        self.method_imported_globals = set()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   862
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   863
        arg_names = list(node.argnames)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   864
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   865
        classmethod = False
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   866
        staticmethod = False
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   867
        if node.decorators:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   868
            for d in node.decorators:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   869
                if d.name == "classmethod":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   870
                    classmethod = True
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   871
                elif d.name == "staticmethod":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   872
                    staticmethod = True
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   873
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   874
        if staticmethod:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   875
            staticfunc = ast.Function([], class_name_+"."+node.name, node.argnames, node.defaults, node.flags, node.doc, node.code, node.lineno)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   876
            self._function(staticfunc, True)
1752
d14ff9d7eb76 clean-up: fix PEP8 E703 statement ends with a semicolon
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1749
diff changeset
   877
            print >>self.output, "    " + UU+class_name_ + ".prototype.__class__." + node.name + " = " + class_name_+"."+node.name+";"
d14ff9d7eb76 clean-up: fix PEP8 E703 statement ends with a semicolon
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1749
diff changeset
   878
            print >>self.output, "    " + UU+class_name_ + ".prototype.__class__." + node.name + ".static_method = true;"
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   879
            return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   880
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   881
            if len(arg_names) == 0:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   882
                raise TranslationError("methods must take an argument 'self' (in _method)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   883
            self.method_self = arg_names[0]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   884
1782
5b6ad7a7fd9d clean-up: fix PEP8 E265 block comment should start with '# '
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1776
diff changeset
   885
            # if not classmethod and arg_names[0] != "self":
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   886
            #    raise TranslationError("first arg not 'self' (in _method)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   887
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   888
        normal_arg_names = arg_names[1:]
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   889
        if node.kwargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   890
            kwargname = normal_arg_names.pop()
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   891
        if node.varargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   892
            varargname = normal_arg_names.pop()
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   893
        declared_arg_names = list(normal_arg_names)
1756
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   894
        if node.kwargs:
08e4394ff4fb clean-up: fix PEP8 E701 multiple statements on one line (colon)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1755
diff changeset
   895
            declared_arg_names.append(kwargname)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   896
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   897
        function_args = "(" + ", ".join(declared_arg_names) + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   898
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   899
        if classmethod:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   900
            fexpr = UU + class_name_ + ".prototype.__class__." + node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   901
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   902
            fexpr = UU + class_name_ + ".prototype." + node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   903
        print >>self.output, "    "+fexpr + " = function" + function_args + " {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   904
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   905
        # default arguments
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   906
        self._default_args_handler(node, normal_arg_names, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   907
1730
64d8f52bc8c8 clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 728
diff changeset
   908
        local_arg_names = normal_arg_names + declared_arg_names
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   909
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   910
        if node.varargs:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   911
            self._varargs_handler(node, varargname, declared_arg_names, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   912
            local_arg_names.append(varargname)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   913
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   914
        # stack of local variable names for this function call
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   915
        self.local_arg_stack.append(local_arg_names)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   916
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   917
        for child in node.code:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   918
            self._stmt(child, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   919
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   920
        # remove the top local arg names
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   921
        self.local_arg_stack.pop()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   922
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   923
        print >>self.output, "    };"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   924
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   925
        self._kwargs_parser(node, fexpr, normal_arg_names, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   926
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   927
        if classmethod:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   928
            # Have to create a version on the instances which automatically passes the
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   929
            # class as "self"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   930
            altexpr = UU + class_name_ + ".prototype." + node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   931
            print >>self.output, "    "+altexpr + " = function() {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   932
            print >>self.output, "        return " + fexpr + ".apply(this.__class__, arguments);"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   933
            print >>self.output, "    };"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   934
            print >>self.output, "    "+fexpr+".class_method = true;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   935
            print >>self.output, "    "+altexpr+".instance_method = true;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   936
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   937
            # For instance methods, we need an unbound version in the class object
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   938
            altexpr = UU + class_name_ + ".prototype.__class__." + node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   939
            print >>self.output, "    "+altexpr + " = function() {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   940
            print >>self.output, "        return " + fexpr + ".call.apply("+fexpr+", arguments);"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   941
            print >>self.output, "    };"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   942
            print >>self.output, "    "+altexpr+".unbound_method = true;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   943
            print >>self.output, "    "+fexpr+".instance_method = true;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   944
            print >>self.output, "    "+altexpr+".__name__ = '%s';" % node.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   945
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   946
        print >>self.output, UU + class_name_ + ".prototype.%s.__name__ = '%s';" % \
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
   947
            (node.name, node.name)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   948
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   949
        if node.kwargs or len(node.defaults):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   950
            print >>self.output, "    "+altexpr + ".parse_kwargs = " + fexpr + ".parse_kwargs;"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   951
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   952
        self.method_self = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   953
        self.method_imported_globals = set()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   954
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   955
    def _isNativeFunc(self, node):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   956
        if isinstance(node, ast.Discard):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   957
            if isinstance(node.expr, ast.CallFunc):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   958
                if isinstance(node.expr.node, ast.Name) and \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   959
                       node.expr.node.name == NATIVE_JS_FUNC_NAME:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   960
                    return True
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   961
        return False
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   962
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   963
    def _stmt(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   964
        debugStmt = self.debug and not self._isNativeFunc(node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   965
        if debugStmt:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   966
            print >>self.output, '  try {'
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   967
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   968
        if isinstance(node, ast.Return):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   969
            self._return(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   970
        elif isinstance(node, ast.Break):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   971
            self._break(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   972
        elif isinstance(node, ast.Continue):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   973
            self._continue(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   974
        elif isinstance(node, ast.Assign):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   975
            self._assign(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   976
        elif isinstance(node, ast.AugAssign):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   977
            self._augassign(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   978
        elif isinstance(node, ast.Discard):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   979
            self._discard(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   980
        elif isinstance(node, ast.If):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   981
            self._if(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   982
        elif isinstance(node, ast.For):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   983
            self._for(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   984
        elif isinstance(node, ast.While):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   985
            self._while(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   986
        elif isinstance(node, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   987
            self._subscript_stmt(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   988
        elif isinstance(node, ast.Global):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   989
            self._global(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   990
        elif isinstance(node, ast.Pass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   991
            pass
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   992
        elif isinstance(node, ast.Function):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   993
            self._function(node, True)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   994
        elif isinstance(node, ast.Printnl):
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
   995
            self._print(node, current_klass)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   996
        elif isinstance(node, ast.Print):
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
   997
            self._print(node, current_klass)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   998
        elif isinstance(node, ast.TryExcept):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
   999
            self._tryExcept(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1000
        elif isinstance(node, ast.Raise):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1001
            self._raise(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1002
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1003
            raise TranslationError("unsupported type (in _stmt)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1004
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1005
        if debugStmt:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1006
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1007
            lt = self.get_line_trace(node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1008
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1009
            haltException = self.module_prefix + "HaltException"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1010
            isHaltFunction = self.module_prefix + "IsHaltException"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1011
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1012
            out = (
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1013
                '  } catch (__err) {',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1014
                '      if (' + isHaltFunction + '(__err.name)) {',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1015
                '          throw __err;',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1016
                '      } else {',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1017
                '          st = sys.printstack() + ' + '"%s"' % lt + "+ '\\n' ;"
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1018
                '          alert("' + 'Error in ' + lt + '"'
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1019
                + '+"\\n"+__err.name+": "+__err.message'
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1020
                + '+"\\n\\nStack trace:\\n"' + '+st' + ');',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1021
                '          debugger;',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1022
                '          throw new ' + self.module_prefix + 'HaltException();',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1023
                '      }',
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1024
                '  }'
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1025
            )
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1026
            for s in out:
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1027
                print >>self.output, s
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1028
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1029
    def get_line_trace(self, node):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1030
        lineNum = "Unknown"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1031
        srcLine = ""
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1032
        if hasattr(node, "lineno"):
1743
c3c3d1318130 clean-up: fix PEP8 E711 comparison to None should be 'if cond is not None:'
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1742
diff changeset
  1033
            if node.lineno is not None:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1034
                lineNum = node.lineno
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1035
                srcLine = self.src[min(lineNum, len(self.src))-1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1036
                srcLine = srcLine.replace('\\', '\\\\')
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1037
                srcLine = srcLine.replace('"', '\\"')
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1038
                srcLine = srcLine.replace("'", "\\'")
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1039
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1040
        return self.raw_module_name + ".py, line " \
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1041
            + str(lineNum) + ":"\
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1042
            + "\\n" \
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1043
            + "    " + srcLine
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1044
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1045
    def _augassign(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1046
        v = node.node
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1047
        if isinstance(v, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1048
            # XXX HACK!  don't allow += on return result of getattr.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1049
            # TODO: create a temporary variable or something.
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1050
            lhs = self._getattr(v, current_klass, False)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1051
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1052
            lhs = self._name(node.node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1053
        op = node.op
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1054
        rhs = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1055
        print >>self.output, "    " + lhs + " " + op + " " + rhs + ";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1056
1744
69dfdb26f600 clean-up: fix PEP8 E251 unexpected spaces around keyword / parameter equals
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1743
diff changeset
  1057
    def _assign(self, node, current_klass, top_level=False):
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1058
        if len(node.nodes) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1059
            tempvar = '__temp'+str(node.lineno)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1060
            tnode = ast.Assign([ast.AssName(tempvar, "OP_ASSIGN", node.lineno)], node.expr, node.lineno)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1061
            self._assign(tnode, current_klass, top_level)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1062
            for v in node.nodes:
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
  1063
                tnode2 = ast.Assign([v], ast.Name(tempvar, node.lineno), node.lineno)
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
  1064
                self._assign(tnode2, current_klass, top_level)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1065
            return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1066
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1067
        local_var_names = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1068
        if len(self.local_arg_stack) > 0:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1069
            local_var_names = self.local_arg_stack[-1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1070
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1071
        def _lhsFromAttr(v, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1072
            attr_name = v.attrname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1073
            if isinstance(v.expr, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1074
                obj = v.expr.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1075
                lhs = self._name(v.expr, current_klass) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1076
            elif isinstance(v.expr, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1077
                lhs = self._getattr(v, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1078
            elif isinstance(v.expr, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1079
                lhs = self._subscript(v.expr, current_klass) + "." + attr_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1080
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1081
                raise TranslationError("unsupported type (in _assign)", v.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1082
            return lhs
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1083
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1084
        def _lhsFromName(v, top_level, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1085
            if top_level:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1086
                if current_klass:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1087
                    lhs = UU+current_klass.name_ + ".prototype.__class__." \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1088
                               + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1089
                else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1090
                    self.top_level_vars.add(v.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1091
                    vname = self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1092
                    if not self.modpfx() and v.name not in\
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1093
                       self.method_imported_globals:
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1094
                        lhs = "var " + vname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1095
                    else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1096
                        lhs = UU + vname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1097
                    self.add_local_arg(v.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1098
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1099
                if v.name in local_var_names:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1100
                    lhs = v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1101
                elif v.name in self.method_imported_globals:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1102
                    lhs = self.modpfx() + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1103
                else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1104
                    lhs = "var " + v.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1105
                    self.add_local_arg(v.name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1106
            return lhs
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1107
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1108
        dbg = 0
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1109
        v = node.nodes[0]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1110
        if isinstance(v, ast.AssAttr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1111
            lhs = _lhsFromAttr(v, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1112
            if v.flags == "OP_ASSIGN":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1113
                op = "="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1114
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1115
                raise TranslationError("unsupported flag (in _assign)", v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1116
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1117
        elif isinstance(v, ast.AssName):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1118
            lhs = _lhsFromName(v, top_level, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1119
            if v.flags == "OP_ASSIGN":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1120
                op = "="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1121
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1122
                raise TranslationError("unsupported flag (in _assign)", v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1123
        elif isinstance(v, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1124
            if v.flags == "OP_ASSIGN":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1125
                obj = self.expr(v.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1126
                if len(v.subs) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1127
                    raise TranslationError("must have one sub (in _assign)", v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1128
                idx = self.expr(v.subs[0], current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1129
                value = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1130
                print >>self.output, "    " + obj + ".__setitem__(" + idx + ", " + value + ");"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1131
                return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1132
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1133
                raise TranslationError("unsupported flag (in _assign)", v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1134
        elif isinstance(v, (ast.AssList, ast.AssTuple)):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1135
            uniqueID = self.nextTupleAssignID
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1136
            self.nextTupleAssignID += 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1137
            tempName = "__tupleassign" + str(uniqueID) + "__"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1138
            print >>self.output, "    var " + tempName + " = " + \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1139
                                 self.expr(node.expr, current_klass) + ";"
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
  1140
            for index, child in enumerate(v.getChildNodes()):
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1141
                rhs = tempName + ".__getitem__(" + str(index) + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1142
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1143
                if isinstance(child, ast.AssAttr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1144
                    lhs = _lhsFromAttr(child, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1145
                elif isinstance(child, ast.AssName):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1146
                    lhs = _lhsFromName(child, top_level, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1147
                elif isinstance(child, ast.Subscript):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1148
                    if child.flags == "OP_ASSIGN":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1149
                        obj = self.expr(child.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1150
                        if len(child.subs) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1151
                            raise TranslationError("must have one sub " +
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1152
                                                   "(in _assign)", child)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1153
                        idx = self.expr(child.subs[0], current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1154
                        value = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1155
                        print >>self.output, "    " + obj + ".__setitem__(" \
1767
c74815729afd clean-up: fix PEP8 E127 continuation line over-indented for visual indent
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1763
diff changeset
  1156
                            + idx + ", " + rhs + ");"
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1157
                        continue
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1158
                print >>self.output, "    " + lhs + " = " + rhs + ";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1159
            return
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1160
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1161
            raise TranslationError("unsupported type (in _assign)", v)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1162
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1163
        rhs = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1164
        if dbg:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1165
            print "b", repr(node.expr), rhs
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1166
        print >>self.output, "    " + lhs + " " + op + " " + rhs + ";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1167
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1168
    def _discard(self, node, current_klass):
1730
64d8f52bc8c8 clean-up for PEP8: fix W291 trailing whitespace
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 728
diff changeset
  1169
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1170
        if isinstance(node.expr, ast.CallFunc):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1171
            debugStmt = self.debug and not self._isNativeFunc(node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1172
            if debugStmt and isinstance(node.expr.node, ast.Name) and \
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1173
               node.expr.node.name == 'import_wait':
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
  1174
                debugStmt = False
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1175
            if debugStmt:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1176
                st = self.get_line_trace(node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1177
                print >>self.output, "sys.addstack('%s');\n" % st
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1178
            if isinstance(node.expr.node, ast.Name) and node.expr.node.name == NATIVE_JS_FUNC_NAME:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1179
                if len(node.expr.args) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1180
                    raise TranslationError("native javascript function %s must have one arg" % NATIVE_JS_FUNC_NAME, node.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1181
                if not isinstance(node.expr.args[0], ast.Const):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1182
                    raise TranslationError("native javascript function %s must have constant arg" % NATIVE_JS_FUNC_NAME, node.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1183
                raw_js = node.expr.args[0].value
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1184
                print >>self.output, raw_js
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1185
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1186
                expr = self._callfunc(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1187
                print >>self.output, "    " + expr + ";"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1188
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1189
            if debugStmt:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1190
                print >>self.output, "sys.popstack();\n"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1191
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1192
        elif isinstance(node.expr, ast.Const):
1737
a39c2918c015 clean-up: fix PEP8 E261 at least two spaces before inline comment
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1736
diff changeset
  1193
            if node.expr.value is not None:  # Empty statements generate ignore None
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1194
                print >>self.output, self._const(node.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1195
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1196
            raise TranslationError("unsupported type (in _discard)", node.expr)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1197
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1198
    def _if(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1199
        for i in range(len(node.tests)):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1200
            test, consequence = node.tests[i]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1201
            if i == 0:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1202
                keyword = "if"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1203
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1204
                keyword = "else if"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1205
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1206
            self._if_test(keyword, test, consequence, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1207
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1208
        if node.else_:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1209
            keyword = "else"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1210
            test = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1211
            consequence = node.else_
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1212
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1213
            self._if_test(keyword, test, consequence, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1214
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1215
    def _if_test(self, keyword, test, consequence, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1216
        if test:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1217
            expr = self.expr(test, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1218
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1219
            print >>self.output, "    " + keyword + " (pyjslib.bool(" + expr + ")) {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1220
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1221
            print >>self.output, "    " + keyword + " {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1222
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1223
        if isinstance(consequence, ast.Stmt):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1224
            for child in consequence.nodes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1225
                self._stmt(child, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1226
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1227
            raise TranslationError("unsupported type (in _if_test)", consequence)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1228
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1229
        print >>self.output, "    }"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1230
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1231
    def _from(self, node):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1232
        for name in node.names:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1233
            # look up "hack" in AppTranslator as to how findFile gets here
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1234
            module_name = node.modname + "." + name[0]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1235
            try:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1236
                ff = self.findFile(module_name + ".py")
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1237
            except Exception:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1238
                ff = None
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1239
            if ff:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1240
                self.add_imported_module(module_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1241
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1242
                self.imported_classes[name[0]] = node.modname
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1243
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1244
    def _compare(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1245
        lhs = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1246
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1247
        if len(node.ops) != 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1248
            raise TranslationError("only one ops supported (in _compare)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1249
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1250
        op = node.ops[0][0]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1251
        rhs_node = node.ops[0][1]
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1252
        rhs = self.expr(rhs_node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1253
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1254
        if op == "==":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1255
            return "pyjslib.eq(%s, %s)" % (lhs, rhs)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1256
        if op == "in":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1257
            return rhs + ".__contains__(" + lhs + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1258
        elif op == "not in":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1259
            return "!" + rhs + ".__contains__(" + lhs + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1260
        elif op == "is":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1261
            op = "==="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1262
        elif op == "is not":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1263
            op = "!=="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1264
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1265
        return "(" + lhs + " " + op + " " + rhs + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1266
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1267
    def _not(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1268
        expr = self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1269
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1270
        return "!(" + expr + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1271
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1272
    def _or(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1273
        expr = "("+(") || (".join([self.expr(child, current_klass) for child in node.nodes]))+')'
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1274
        return expr
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1275
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1276
    def _and(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1277
        expr = "("+(") && (".join([self.expr(child, current_klass) for child in node.nodes]))+")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1278
        return expr
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1279
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1280
    def _for(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1281
        assign_name = ""
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1282
        assign_tuple = ""
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1283
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1284
        # based on Bob Ippolito's Iteration in Javascript code
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1285
        if isinstance(node.assign, ast.AssName):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1286
            assign_name = node.assign.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1287
            self.add_local_arg(assign_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1288
            if node.assign.flags == "OP_ASSIGN":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1289
                op = "="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1290
        elif isinstance(node.assign, ast.AssTuple):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1291
            op = "="
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1292
            i = 0
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1293
            for child in node.assign:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1294
                child_name = child.name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1295
                if assign_name == "":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1296
                    assign_name = "temp_" + child_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1297
                self.add_local_arg(child_name)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1298
                assign_tuple += """
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1299
                var %(child_name)s %(op)s %(assign_name)s.__getitem__(%(i)i);
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1300
                """ % locals()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1301
                i += 1
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1302
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1303
            raise TranslationError("unsupported type (in _for)", node.assign)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1304
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1305
        if isinstance(node.list, ast.Name):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1306
            list_expr = self._name(node.list, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1307
        elif isinstance(node.list, ast.Getattr):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1308
            list_expr = self._getattr(node.list, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1309
        elif isinstance(node.list, ast.CallFunc):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1310
            list_expr = self._callfunc(node.list, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1311
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1312
            raise TranslationError("unsupported type (in _for)", node.list)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1313
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1314
        lhs = "var " + assign_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1315
        iterator_name = "__" + assign_name
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1316
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1317
        print >>self.output, """
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1318
        var %(iterator_name)s = %(list_expr)s.__iter__();
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1319
        try {
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1320
            while (true) {
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1321
                %(lhs)s %(op)s %(iterator_name)s.next();
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1322
                %(assign_tuple)s
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1323
        """ % locals()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1324
        for node in node.body.nodes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1325
            self._stmt(node, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1326
        print >>self.output, """
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1327
            }
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1328
        } catch (e) {
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1329
            if (e.__name__ != pyjslib.StopIteration.__name__) {
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1330
                throw e;
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1331
            }
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1332
        }
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1333
        """ % locals()
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1334
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1335
    def _while(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1336
        test = self.expr(node.test, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1337
        print >>self.output, "    while (pyjslib.bool(" + test + ")) {"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1338
        if isinstance(node.body, ast.Stmt):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1339
            for child in node.body.nodes:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1340
                self._stmt(child, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1341
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1342
            raise TranslationError("unsupported type (in _while)", node.body)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1343
        print >>self.output, "    }"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1344
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1345
    def _const(self, node):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1346
        if isinstance(node.value, int):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1347
            return str(node.value)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1348
        elif isinstance(node.value, float):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1349
            return str(node.value)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1350
        elif isinstance(node.value, basestring):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1351
            v = node.value
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1352
            if isinstance(node.value, unicode):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1353
                v = v.encode('utf-8')
1738
d2e979738700 clean-up: fix PEP8 E271 multiple spaces after keyword
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1737
diff changeset
  1354
            return "String('%s')" % escapejs(v)
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1355
        elif node.value is None:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1356
            return "null"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1357
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1358
            raise TranslationError("unsupported type (in _const)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1359
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1360
    def _unaryadd(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1361
        return self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1362
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1363
    def _unarysub(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1364
        return "-" + self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1365
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1366
    def _add(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1367
        return self.expr(node.left, current_klass) + " + " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1368
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1369
    def _sub(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1370
        return self.expr(node.left, current_klass) + " - " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1372
    def _div(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1373
        return self.expr(node.left, current_klass) + " / " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1374
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1375
    def _mul(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1376
        return self.expr(node.left, current_klass) + " * " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1377
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1378
    def _mod(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1379
        if isinstance(node.left, ast.Const) and isinstance(node.left.value, StringType):
1757
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
  1380
            self.imported_js.add("sprintf.js")  # Include the sprintf functionality if it is used
0de89da92ee0 clean-up: fix PEP8 E111 indentation is not a multiple of four
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1756
diff changeset
  1381
            return "sprintf("+self.expr(node.left, current_klass) + ", " + self.expr(node.right, current_klass)+")"
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1382
        return self.expr(node.left, current_klass) + " % " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1383
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1384
    def _invert(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1385
        return "~" + self.expr(node.expr, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1386
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1387
    def _bitand(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1388
        return " & ".join([self.expr(child, current_klass) for child in node.nodes])
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1389
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1390
    def _bitshiftleft(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1391
        return self.expr(node.left, current_klass) + " << " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1392
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1393
    def _bitshiftright(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1394
        return self.expr(node.left, current_klass) + " >>> " + self.expr(node.right, current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1395
1740
b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1738
diff changeset
  1396
    def _bitxor(self, node, current_klass):
371
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1397
        return " ^ ".join([self.expr(child, current_klass) for child in node.nodes])
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1398
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1399
    def _bitor(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1400
        return " | ".join([self.expr(child, current_klass) for child in node.nodes])
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1401
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1402
    def _subscript(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1403
        if node.flags == "OP_APPLY":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1404
            if len(node.subs) == 1:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1405
                return self.expr(node.expr, current_klass) + ".__getitem__(" + self.expr(node.subs[0], current_klass) + ")"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1406
            else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1407
                raise TranslationError("must have one sub (in _subscript)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1408
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1409
            raise TranslationError("unsupported flag (in _subscript)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1410
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1411
    def _subscript_stmt(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1412
        if node.flags == "OP_DELETE":
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1413
            print >>self.output, "    " + self.expr(node.expr, current_klass) + ".__delitem__(" + self.expr(node.subs[0], current_klass) + ");"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1414
        else:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1415
            raise TranslationError("unsupported flag (in _subscript)", node)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1416
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1417
    def _list(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1418
        return "new pyjslib.List([" + ", ".join([self.expr(x, current_klass) for x in node.nodes]) + "])"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1419
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1420
    def _dict(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1421
        items = []
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1422
        for x in node.items:
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1423
            key = self.expr(x[0], current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1424
            value = self.expr(x[1], current_klass)
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1425
            items.append("[" + key + ", " + value + "]")
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1426
        return "new pyjslib.Dict([" + ", ".join(items) + "])"
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1427
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff changeset
  1428
    def _tuple(self, node, current_klass):
b7cb57a2da08 Adding new svgui support using twisted website HMI
laurent
parents:
diff