Exemplo n.º 1
0
    def syntax_quote(form):
        if isinstance(form, Symbol) and compiler.is_compiler_special(form):
            ret = rt.list(QUOTE, form)

        elif isinstance(form, Symbol):
            if rt.namespace(form) is None and rt.name(form).endswith("#"):
                gmap = rt.deref(GEN_SYM_ENV)
                affirm(gmap is not nil, u"Gensym literal used outside a syntax quote")
                gs = rt.get(gmap, form)
                if gs is nil:
                    gs = rt.symbol(rt.str(form, rt.wrap(u"__"), rt.gensym()))
                    GEN_SYM_ENV.set_value(rt.assoc(gmap, form, gs))
                form = gs
            else:
                var = rt.resolve_in(compiler.NS_VAR.deref(), form)
                if var is nil:
                    form = rt.symbol(rt.str(rt.wrap(rt.name(rt.deref(compiler.NS_VAR))), rt.wrap(u"/"), form))
                else:
                    form = rt.symbol(rt.str(rt.wrap(rt.namespace(var)), rt.wrap(u"/"), rt.str(rt.wrap(rt.name(var)))))
            ret = rt.list(QUOTE, form)
        elif is_unquote(form):
            ret = rt.first(rt.next(form))
        elif is_unquote_splicing(form):
            raise Exception("Unquote splicing not used inside list")
        elif rt.vector_QMARK_(form) is true:
            ret = rt.list(APPLY, CONCAT, SyntaxQuoteReader.expand_list(form))
        elif rt.seq_QMARK_(form) is true:
            ret = rt.list(APPLY, LIST, rt.cons(CONCAT, SyntaxQuoteReader.expand_list(rt.seq(form))))
        else:
            ret = rt.list(QUOTE, form)
        return ret
Exemplo n.º 2
0
    def syntax_quote(form):
        if isinstance(form, Symbol) and compiler.is_compiler_special(form):
            ret = rt.list(QUOTE, form)

        elif isinstance(form, Symbol):
            if rt.namespace(form) is None and rt.name(form).endswith("#"):
                gmap = rt.deref(GEN_SYM_ENV)
                affirm(gmap is not nil, u"Gensym literal used outside a syntax quote")
                gs = rt.get(gmap, form)
                if gs is nil:
                    gs = rt.symbol(rt.str(form, rt.wrap(u"__"), rt.gensym()))
                    GEN_SYM_ENV.set_value(rt.assoc(gmap, form, gs))
                form = gs
            else:
                var = rt.resolve_in(compiler.NS_VAR.deref(), form)
                if var is nil:
                    form = rt.symbol(rt.str(rt.wrap(rt.name(rt.deref(compiler.NS_VAR))), rt.wrap(u"/"), form))
                else:
                    form = rt.symbol(rt.str(rt.wrap(rt.namespace(var)), rt.wrap(u"/"), rt.str(rt.wrap(rt.name(var)))))
            ret = rt.list(QUOTE, form)
        elif is_unquote(form):
            ret = rt.first(rt.next(form))
        elif is_unquote_splicing(form):
            return runtime_error(u"Unquote splicing not used inside list")
        elif rt.vector_QMARK_(form) is true:
            ret = rt.list(APPLY, CONCAT, SyntaxQuoteReader.expand_list(form))
        elif rt.map_QMARK_(form) is true:
            mes = SyntaxQuoteReader.flatten_map(form)
            ret = rt.list(APPLY, HASHMAP, rt.list(APPLY, CONCAT, SyntaxQuoteReader.expand_list(mes)))
        elif form is not nil and rt.seq_QMARK_(form) is true:
            ret = rt.list(APPLY, LIST, rt.cons(CONCAT, SyntaxQuoteReader.expand_list(rt.seq(form))))
        else:
            ret = rt.list(QUOTE, form)
        return ret
Exemplo n.º 3
0
 def gen_arg(n):
     s = unicode(str(n))
     if n == -1:
         s = u"_rest"
     return rt.gensym(rt.wrap(u"arg" + s + u"__"))