2013-05-16 19:41:47 -05:00
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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use core::option::{Option,None};
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use ast;
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2013-05-07 14:34:52 -05:00
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use parse::{new_parse_sess};
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2013-06-04 14:34:25 -05:00
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use parse::{ParseSess,string_to_filemap,filemap_to_tts};
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use parse::{new_parser_from_source_str};
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use parse::parser::Parser;
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use parse::token;
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2013-05-16 19:41:47 -05:00
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// map a string to tts, using a made-up filename: return both the token_trees
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// and the ParseSess
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pub fn string_to_tts_and_sess (source_str : @~str) -> (~[ast::token_tree],@mut ParseSess) {
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2013-05-07 14:34:52 -05:00
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let ps = new_parse_sess(None);
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2013-05-16 19:41:47 -05:00
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(filemap_to_tts(ps,string_to_filemap(ps,source_str,~"bogofile")),ps)
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}
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2013-05-16 19:42:08 -05:00
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pub fn string_to_parser_and_sess(source_str: @~str) -> (Parser,@mut ParseSess) {
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2013-05-07 14:34:52 -05:00
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let ps = new_parse_sess(None);
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2013-05-16 19:42:08 -05:00
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(new_parser_from_source_str(ps,~[],~"bogofile",source_str),ps)
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}
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2013-05-16 19:41:47 -05:00
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// map string to parser (via tts)
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pub fn string_to_parser(source_str: @~str) -> Parser {
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2013-05-16 19:42:08 -05:00
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let (p,_) = string_to_parser_and_sess(source_str);
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p
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}
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pub fn string_to_crate (source_str : @~str) -> @ast::crate {
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string_to_parser(source_str).parse_crate_mod()
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}
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// parse a string, return an expr
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pub fn string_to_expr (source_str : @~str) -> @ast::expr {
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string_to_parser(source_str).parse_expr()
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}
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2013-05-16 19:42:08 -05:00
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// parse a string, return an item
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pub fn string_to_item (source_str : @~str) -> Option<@ast::item> {
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string_to_parser(source_str).parse_item(~[])
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}
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2013-05-16 19:42:08 -05:00
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// parse a string, return an item and the ParseSess
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pub fn string_to_item_and_sess (source_str : @~str) -> (Option<@ast::item>,@mut ParseSess) {
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let (p,ps) = string_to_parser_and_sess(source_str);
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(p.parse_item(~[]),ps)
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}
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2013-05-16 19:41:47 -05:00
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pub fn string_to_stmt (source_str : @~str) -> @ast::stmt {
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string_to_parser(source_str).parse_stmt(~[])
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}
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2013-06-04 14:34:25 -05:00
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// parse a string, return a pat. Uses "irrefutable"... which doesn't
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// (currently) affect parsing.
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pub fn string_to_pat(source_str : @~str) -> @ast::pat {
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string_to_parser(source_str).parse_pat()
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}
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// convert a vector of strings to a vector of ast::idents
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pub fn strs_to_idents(ids: ~[&str]) -> ~[ast::ident] {
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ids.map(|u| token::str_to_ident(*u))
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}
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