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#[doc = "AST-parsing helpers"];
import rustc::driver::driver;
import rustc::driver::session;
import rustc::driver::diagnostic;
import rustc::syntax::ast;
import rustc::syntax::codemap;
import rustc::syntax::parse::parser;
export from_file, from_str, from_file_sess, from_str_sess;
fn new_parse_sess() -> parser::parse_sess {
let cm = codemap::new_codemap();
let handler = diagnostic::mk_handler(none);
let sess = @{
cm: cm,
mut next_id: 1,
span_diagnostic: diagnostic::mk_span_handler(handler, cm),
mut chpos: 0u,
mut byte_pos: 0u
};
ret sess;
}
fn from_file(file: str) -> @ast::crate {
parser::parse_crate_from_file(
file, [], new_parse_sess())
}
fn from_str(source: str) -> @ast::crate {
parser::parse_crate_from_source_str(
"-", @source, [], new_parse_sess())
}
fn from_file_sess(sess: session::session, file: str) -> @ast::crate {
parser::parse_crate_from_file(file, cfg(sess), sess.parse_sess)
}
fn from_str_sess(sess: session::session, source: str) -> @ast::crate {
parser::parse_crate_from_source_str(
"-", @source, cfg(sess), sess.parse_sess)
}
fn cfg(sess: session::session) -> ast::crate_cfg {
driver::default_configuration(sess, "rustdoc", "<anon>")
}
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