rust/src/rustdoc/parse.rs

36 lines
1.0 KiB
Rust

//! AST-parsing helpers
import rustc::driver::driver;
import driver::{file_input, str_input};
import rustc::driver::session;
import syntax::diagnostic;
import syntax::ast;
import syntax::codemap;
import syntax::parse;
export from_file, from_str, from_file_sess, from_str_sess;
fn from_file(file: str) -> @ast::crate {
parse::parse_crate_from_file(
file, ~[], parse::new_parse_sess(none))
}
fn from_str(source: str) -> @ast::crate {
parse::parse_crate_from_source_str(
"-", @source, ~[], parse::new_parse_sess(none))
}
fn from_file_sess(sess: session::session, file: str) -> @ast::crate {
parse::parse_crate_from_file(
file, cfg(sess, file_input(file)), sess.parse_sess)
}
fn from_str_sess(sess: session::session, source: str) -> @ast::crate {
parse::parse_crate_from_source_str(
"-", @source, cfg(sess, str_input(source)), sess.parse_sess)
}
fn cfg(sess: session::session, input: driver::input) -> ast::crate_cfg {
driver::default_configuration(sess, "rustdoc", input)
}