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run_compiler is exported by rustc_interface

This commit is contained in:
George Fraser 2020-03-22 09:47:26 -07:00 committed by Who? Me?!
parent ae0f419582
commit ea4db5371c
2 changed files with 4 additions and 5 deletions
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5
examples/rustc-driver-example.rs
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@ -12,7 +12,6 @@ use rustc::session;
use rustc::session::config; use rustc::session::config;
use rustc_errors::registry; use rustc_errors::registry;
use rustc_hash::{FxHashMap, FxHashSet}; use rustc_hash::{FxHashMap, FxHashSet};
use rustc_interface::interface;
use rustc_span::source_map; use rustc_span::source_map;
use std::path; use std::path;
use std::process; use std::process;
@ -28,7 +27,7 @@ fn main() {
let filename = "main.rs"; let filename = "main.rs";
let contents = "static HELLO: &str = \"Hello, world!\"; fn main() { println!(\"{}\", HELLO); }"; let contents = "static HELLO: &str = \"Hello, world!\"; fn main() { println!(\"{}\", HELLO); }";
let errors = registry::Registry::new(&rustc_error_codes::DIAGNOSTICS); let errors = registry::Registry::new(&rustc_error_codes::DIAGNOSTICS);
let config = interface::Config { let config = rustc_interface::Config {
// Command line options // Command line options
opts: config::Options { opts: config::Options {
maybe_sysroot: Some(path::PathBuf::from(sysroot)), maybe_sysroot: Some(path::PathBuf::from(sysroot)),
@ -80,7 +79,7 @@ fn main() {
// Registry of diagnostics codes. // Registry of diagnostics codes.
registry: errors, registry: errors,
}; };
interface::run_compiler(config, |compiler| { rustc_interface::run_compiler(config, |compiler| {
compiler.enter(|queries| { compiler.enter(|queries| {
// Parse the program and print the syntax tree. // Parse the program and print the syntax tree.
let parse = queries.parse().unwrap().take(); let parse = queries.parse().unwrap().take();

4
src/rustc-driver.md
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@ -9,7 +9,7 @@ for running code at particular times during the compilation process, allowing
third parties to effectively use `rustc`'s internals as a library for third parties to effectively use `rustc`'s internals as a library for
analysing a crate or emulating the compiler in-process (e.g. the RLS or rustdoc). analysing a crate or emulating the compiler in-process (e.g. the RLS or rustdoc).
For those using `rustc` as a library, the [`rustc_interface::interface::run_compiler()`][i_rc] For those using `rustc` as a library, the [`rustc_interface::run_compiler()`][i_rc]
function is the main entrypoint to the compiler. It takes a configuration for the compiler function is the main entrypoint to the compiler. It takes a configuration for the compiler
and a closure that takes a [`Compiler`]. `run_compiler` creates a `Compiler` from the and a closure that takes a [`Compiler`]. `run_compiler` creates a `Compiler` from the
configuration and passes it to the closure. Inside the closure, you can use the `Compiler` configuration and passes it to the closure. Inside the closure, you can use the `Compiler`
@ -19,7 +19,7 @@ You can see a minimal example of how to use `rustc_interface` [here][example].
You can see what queries are currently available through the rustdocs for [`Compiler`]. You can see what queries are currently available through the rustdocs for [`Compiler`].
You can see an example of how to use them by looking at the `rustc_driver` implementation, You can see an example of how to use them by looking at the `rustc_driver` implementation,
specifically the [`rustc_driver::run_compiler` function][rd_rc] (not to be confused with specifically the [`rustc_driver::run_compiler` function][rd_rc] (not to be confused with
[`rustc_interface::interface::run_compiler`][i_rc]). The `rustc_driver::run_compiler` function [`rustc_interface::run_compiler`][i_rc]). The `rustc_driver::run_compiler` function
takes a bunch of command-line args and some other configurations and takes a bunch of command-line args and some other configurations and
drives the compilation to completion. drives the compilation to completion.