rustc: Split diagnostics into "span diagnostics" and "diagnostics".
The former contain a codemap (which is per-crate), and the latter don't. This will be useful in order to allow more than one crate to be compiled in one run of the compiler.
This commit is contained in:
parent
4d096a8c86
commit
9ecd5ee81d
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@ -100,10 +100,11 @@ fn load_link(mis: [@ast::meta_item]) -> (option::t<str>,
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fn load_pkg(filename: str) -> option::t<pkg> {
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let cm = codemap::new_codemap();
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let handler = diagnostic::mk_handler(none);
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let sess = @{
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cm: cm,
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mutable next_id: 1,
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diagnostic: diagnostic::mk_handler(cm, none),
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span_diagnostic: diagnostic::mk_span_handler(handler, cm),
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mutable chpos: 0u,
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mutable byte_pos: 0u
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};
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@ -5,51 +5,82 @@ import codemap::span;
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export emitter, emit;
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export level, fatal, error, warning, note;
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export handler, mk_handler;
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export span_handler, handler, mk_span_handler, mk_handler;
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export codemap_span_handler, codemap_handler;
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export ice_msg;
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type emitter = fn@(cmsp: option<(codemap::codemap, span)>,
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msg: str, lvl: level);
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iface handler {
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iface span_handler {
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fn span_fatal(sp: span, msg: str) -> !;
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fn fatal(msg: str) -> !;
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fn span_err(sp: span, msg: str);
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fn err(msg: str);
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fn has_errors() -> bool;
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fn abort_if_errors();
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fn span_warn(sp: span, msg: str);
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fn warn(msg: str);
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fn span_note(sp: span, msg: str);
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fn note(msg: str);
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fn span_bug(sp: span, msg: str) -> !;
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fn bug(msg: str) -> !;
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fn span_unimpl(sp: span, msg: str) -> !;
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fn unimpl(msg: str) -> !;
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fn handler() -> handler;
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}
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type codemap_t = @{
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cm: codemap::codemap,
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iface handler {
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fn fatal(msg: str) -> !;
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fn err(msg: str);
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fn bump_err_count();
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fn has_errors() -> bool;
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fn abort_if_errors();
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fn warn(msg: str);
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fn note(msg: str);
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fn bug(msg: str) -> !;
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fn unimpl(msg: str) -> !;
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fn emit(cmsp: option<(codemap::codemap, span)>, msg: str, lvl: level);
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}
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type handler_t = @{
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mutable err_count: uint,
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emit: emitter
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_emit: emitter
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};
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impl codemap_handler of handler for codemap_t {
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type codemap_t = @{
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handler: handler,
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cm: codemap::codemap
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};
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impl codemap_span_handler of span_handler for codemap_t {
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fn span_fatal(sp: span, msg: str) -> ! {
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self.emit(some((self.cm, sp)), msg, fatal);
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fail;
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}
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fn fatal(msg: str) -> ! {
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self.emit(none, msg, fatal);
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self.handler.emit(some((self.cm, sp)), msg, fatal);
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fail;
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}
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fn span_err(sp: span, msg: str) {
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self.emit(some((self.cm, sp)), msg, error);
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self.err_count += 1u;
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self.handler.emit(some((self.cm, sp)), msg, error);
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self.handler.bump_err_count();
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}
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fn span_warn(sp: span, msg: str) {
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self.handler.emit(some((self.cm, sp)), msg, warning);
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}
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fn span_note(sp: span, msg: str) {
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self.handler.emit(some((self.cm, sp)), msg, note);
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}
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fn span_bug(sp: span, msg: str) -> ! {
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self.span_fatal(sp, ice_msg(msg));
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}
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fn span_unimpl(sp: span, msg: str) -> ! {
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self.span_bug(sp, "unimplemented " + msg);
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}
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fn handler() -> handler {
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self.handler
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}
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}
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impl codemap_handler of handler for handler_t {
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fn fatal(msg: str) -> ! {
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self._emit(none, msg, fatal);
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fail;
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}
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fn err(msg: str) {
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self.emit(none, msg, error);
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self._emit(none, msg, error);
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}
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fn bump_err_count() {
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self.err_count += 1u;
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}
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fn has_errors() -> bool { self.err_count > 0u }
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@ -58,36 +89,30 @@ impl codemap_handler of handler for codemap_t {
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self.fatal("aborting due to previous errors");
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}
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}
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fn span_warn(sp: span, msg: str) {
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self.emit(some((self.cm, sp)), msg, warning);
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}
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fn warn(msg: str) {
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self.emit(none, msg, warning);
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}
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fn span_note(sp: span, msg: str) {
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self.emit(some((self.cm, sp)), msg, note);
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self._emit(none, msg, warning);
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}
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fn note(msg: str) {
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self.emit(none, msg, note);
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}
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fn span_bug(sp: span, msg: str) -> ! {
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self.span_fatal(sp, ice_msg(msg));
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self._emit(none, msg, note);
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}
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fn bug(msg: str) -> ! {
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self.fatal(ice_msg(msg));
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}
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fn span_unimpl(sp: span, msg: str) -> ! {
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self.span_bug(sp, "unimplemented " + msg);
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}
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fn unimpl(msg: str) -> ! { self.bug("unimplemented " + msg); }
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fn emit(cmsp: option<(codemap::codemap, span)>, msg: str, lvl: level) {
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self._emit(cmsp, msg, lvl);
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}
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}
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fn ice_msg(msg: str) -> str {
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#fmt["internal compiler error %s", msg]
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}
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fn mk_handler(cm: codemap::codemap,
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emitter: option<emitter>) -> handler {
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fn mk_span_handler(handler: handler, cm: codemap::codemap) -> span_handler {
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@{ handler: handler, cm: cm } as span_handler
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}
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fn mk_handler(emitter: option<emitter>) -> handler {
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let emit = alt emitter {
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some(e) { e }
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@ -101,9 +126,8 @@ fn mk_handler(cm: codemap::codemap,
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};
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@{
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cm: cm,
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mutable err_count: 0u,
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emit: emit
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_emit: emit
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} as handler
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}
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@ -299,7 +299,7 @@ fn pretty_print_input(sess: session, cfg: ast::crate_cfg, input: str,
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}
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ppm_expanded | ppm_normal {}
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}
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pprust::print_crate(sess.codemap, sess.diagnostic, crate, input,
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pprust::print_crate(sess.codemap, sess.span_diagnostic, crate, input,
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io::string_reader(src), io::stdout(), ann);
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}
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@ -481,21 +481,23 @@ fn build_session(sopts: @session::options, input: str,
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sopts.addl_lib_search_paths);
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let codemap = codemap::new_codemap();
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let diagnostic_handler =
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diagnostic::mk_handler(codemap, some(demitter));
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diagnostic::mk_handler(some(demitter));
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let span_diagnostic_handler =
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diagnostic::mk_span_handler(diagnostic_handler, codemap);
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@{targ_cfg: target_cfg,
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opts: sopts,
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cstore: cstore,
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parse_sess: @{
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cm: codemap,
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mutable next_id: 1,
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diagnostic: diagnostic_handler,
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span_diagnostic: span_diagnostic_handler,
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mutable chpos: 0u,
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mutable byte_pos: 0u
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},
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codemap: codemap,
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// For a library crate, this is always none
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mutable main_fn: none,
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diagnostic: diagnostic_handler,
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span_diagnostic: span_diagnostic_handler,
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filesearch: filesearch,
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mutable building_library: false,
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working_dir: fs::dirname(input)}
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@ -60,53 +60,53 @@ type session = @{targ_cfg: @config,
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codemap: codemap::codemap,
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// For a library crate, this is always none
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mutable main_fn: option::t<node_id>,
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diagnostic: diagnostic::handler,
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span_diagnostic: diagnostic::span_handler,
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filesearch: filesearch::filesearch,
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mutable building_library: bool,
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working_dir: str};
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impl session for session {
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fn span_fatal(sp: span, msg: str) -> ! {
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self.diagnostic.span_fatal(sp, msg)
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self.span_diagnostic.span_fatal(sp, msg)
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}
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fn fatal(msg: str) -> ! {
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self.diagnostic.fatal(msg)
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self.span_diagnostic.handler().fatal(msg)
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}
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fn span_err(sp: span, msg: str) {
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self.diagnostic.span_err(sp, msg)
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self.span_diagnostic.span_err(sp, msg)
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}
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fn err(msg: str) {
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self.diagnostic.err(msg)
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self.span_diagnostic.handler().err(msg)
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}
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fn has_errors() -> bool {
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self.diagnostic.has_errors()
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self.span_diagnostic.handler().has_errors()
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}
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fn abort_if_errors() {
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self.diagnostic.abort_if_errors()
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self.span_diagnostic.handler().abort_if_errors()
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}
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fn span_warn(sp: span, msg: str) {
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self.diagnostic.span_warn(sp, msg)
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self.span_diagnostic.span_warn(sp, msg)
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}
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fn warn(msg: str) {
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self.diagnostic.warn(msg)
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self.span_diagnostic.handler().warn(msg)
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}
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fn span_note(sp: span, msg: str) {
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self.diagnostic.span_note(sp, msg)
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self.span_diagnostic.span_note(sp, msg)
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}
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fn note(msg: str) {
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self.diagnostic.note(msg)
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self.span_diagnostic.handler().note(msg)
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}
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fn span_bug(sp: span, msg: str) -> ! {
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self.diagnostic.span_bug(sp, msg)
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self.span_diagnostic.span_bug(sp, msg)
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}
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fn bug(msg: str) -> ! {
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self.diagnostic.bug(msg)
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self.span_diagnostic.handler().bug(msg)
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}
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fn span_unimpl(sp: span, msg: str) -> ! {
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self.diagnostic.span_unimpl(sp, msg)
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self.span_diagnostic.span_unimpl(sp, msg)
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}
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fn unimpl(msg: str) -> ! {
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self.diagnostic.unimpl(msg)
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self.span_diagnostic.handler().unimpl(msg)
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}
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fn next_node_id() -> ast::node_id {
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ret syntax::parse::parser::next_node_id(self.parse_sess);
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@ -10,7 +10,7 @@ import driver::diagnostic;
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type reader = @{
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cm: codemap::codemap,
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diagnostic: diagnostic::handler,
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span_diagnostic: diagnostic::span_handler,
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src: str,
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len: uint,
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mutable col: uint,
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@ -49,17 +49,18 @@ impl reader for reader {
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} else { self.curr = -1 as char; }
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}
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fn fatal(m: str) -> ! {
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self.diagnostic.span_fatal(
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self.span_diagnostic.span_fatal(
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ast_util::mk_sp(self.chpos, self.chpos),
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m)
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}
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}
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fn new_reader(cm: codemap::codemap,
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diagnostic: diagnostic::handler,
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span_diagnostic: diagnostic::span_handler,
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src: str, filemap: codemap::filemap,
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itr: @interner::interner<str>) -> reader {
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let r = @{cm: cm, diagnostic: diagnostic,
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let r = @{cm: cm,
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span_diagnostic: span_diagnostic,
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src: src, len: str::byte_len(src),
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mutable col: 0u, mutable pos: 0u, mutable curr: -1 as char,
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mutable chpos: filemap.start_pos.ch, mutable strs: [],
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@ -667,13 +668,13 @@ fn is_lit(t: token::token) -> bool {
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type lit = {lit: str, pos: uint};
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fn gather_comments_and_literals(cm: codemap::codemap,
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diagnostic: diagnostic::handler,
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span_diagnostic: diagnostic::span_handler,
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path: str,
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srdr: io::reader) ->
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{cmnts: [cmnt], lits: [lit]} {
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let src = str::unsafe_from_bytes(srdr.read_whole_stream());
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let itr = @interner::mk::<str>(str::hash, str::eq);
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let rdr = new_reader(cm, diagnostic, src,
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let rdr = new_reader(cm, span_diagnostic, src,
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codemap::new_filemap(path, 0u, 0u), itr);
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let comments: [cmnt] = [];
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let literals: [lit] = [];
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@ -24,7 +24,7 @@ enum file_type { CRATE_FILE, SOURCE_FILE, }
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type parse_sess = @{
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cm: codemap::codemap,
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mutable next_id: node_id,
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diagnostic: diagnostic::handler,
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span_diagnostic: diagnostic::span_handler,
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// these two must be kept up to date
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mutable chpos: uint,
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mutable byte_pos: uint
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@ -78,13 +78,13 @@ impl parser for parser {
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ret self.buffer[distance - 1u].tok;
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}
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fn fatal(m: str) -> ! {
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self.sess.diagnostic.span_fatal(self.span, m)
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self.sess.span_diagnostic.span_fatal(self.span, m)
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}
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fn span_fatal(sp: span, m: str) -> ! {
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self.sess.diagnostic.span_fatal(sp, m)
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self.sess.span_diagnostic.span_fatal(sp, m)
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}
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fn warn(m: str) {
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self.sess.diagnostic.span_warn(self.span, m)
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self.sess.span_diagnostic.span_warn(self.span, m)
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}
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fn get_str(i: token::str_num) -> str {
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interner::get(*self.reader.interner, i)
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@ -101,14 +101,14 @@ fn new_parser_from_file(sess: parse_sess, cfg: ast::crate_cfg, path: str,
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src
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}
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result::err(e) {
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sess.diagnostic.fatal(e)
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sess.span_diagnostic.handler().fatal(e)
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}
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};
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let filemap = codemap::new_filemap(path, sess.chpos, sess.byte_pos);
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sess.cm.files += [filemap];
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let itr = @interner::mk(str::hash, str::eq);
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let rdr = lexer::new_reader(sess.cm, sess.diagnostic,
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src, filemap, itr);
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let rdr = lexer::new_reader(sess.cm, sess.span_diagnostic, src, filemap,
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itr);
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ret new_parser(sess, cfg, rdr, ftype);
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}
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@ -118,8 +118,8 @@ fn new_parser_from_source_str(sess: parse_sess, cfg: ast::crate_cfg,
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let filemap = codemap::new_filemap(name, sess.chpos, sess.byte_pos);
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sess.cm.files += [filemap];
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let itr = @interner::mk(str::hash, str::eq);
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let rdr = lexer::new_reader(sess.cm, sess.diagnostic,
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source, filemap, itr);
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let rdr = lexer::new_reader(sess.cm, sess.span_diagnostic, source,
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filemap, itr);
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ret new_parser(sess, cfg, rdr, ftype);
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}
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@ -2628,7 +2628,8 @@ fn parse_crate_from_file(input: str, cfg: ast::crate_cfg, sess: parse_sess) ->
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} else if str::ends_with(input, ".rs") {
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parse_crate_from_source_file(input, cfg, sess)
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} else {
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sess.diagnostic.fatal("unknown input file type: " + input)
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sess.span_diagnostic.handler().fatal("unknown input file type: " +
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input)
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}
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}
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@ -60,11 +60,12 @@ const default_columns: uint = 78u;
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// Requires you to pass an input filename and reader so that
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// it can scan the input text for comments and literals to
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// copy forward.
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fn print_crate(cm: codemap, diagnostic: diagnostic::handler,
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fn print_crate(cm: codemap, span_diagnostic: diagnostic::span_handler,
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crate: @ast::crate, filename: str, in: io::reader,
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out: io::writer, ann: pp_ann) {
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let boxes: [pp::breaks] = [];
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let r = lexer::gather_comments_and_literals(cm, diagnostic, filename, in);
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let r = lexer::gather_comments_and_literals(cm, span_diagnostic, filename,
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in);
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let s =
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@{s: pp::mk_printer(out, default_columns),
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cm: some(cm),
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@ -259,10 +259,11 @@ fn check_variants_T<T: copy>(
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let crate2 = @replacer(crate, i, things[j], cx.mode);
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// It would be best to test the *crate* for stability, but testing the
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// string for stability is easier and ok for now.
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let handler = diagnostic::mk_handler(none);
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let str3 =
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as_str(bind pprust::print_crate(
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codemap,
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diagnostic::mk_handler(codemap, none),
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diagnostic::mk_span_handler(handler, codemap),
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crate2,
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filename,
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io::string_reader(""), _,
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@ -416,10 +417,11 @@ fn check_compiling(filename: str) -> happiness {
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fn parse_and_print(code: str) -> str {
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let filename = "tmp.rs";
|
||||
let cm = codemap::new_codemap();
|
||||
let handler = diagnostic::mk_handler(none);
|
||||
let sess = @{
|
||||
cm: cm,
|
||||
mutable next_id: 0,
|
||||
diagnostic: diagnostic::mk_handler(cm, none),
|
||||
span_diagnostic: diagnostic::mk_span_handler(handler, cm),
|
||||
mutable chpos: 0u,
|
||||
mutable byte_pos: 0u
|
||||
};
|
||||
|
@ -427,7 +429,7 @@ fn parse_and_print(code: str) -> str {
|
|||
let crate = parser::parse_crate_from_source_str(
|
||||
filename, code, [], sess);
|
||||
ret as_str(bind pprust::print_crate(sess.cm,
|
||||
sess.diagnostic,
|
||||
sess.span_diagnostic,
|
||||
crate,
|
||||
filename,
|
||||
io::string_reader(code), _,
|
||||
|
@ -565,10 +567,11 @@ fn check_variants(files: [str], cx: context) {
|
|||
|
||||
log(error, "check_variants: " + file);
|
||||
let cm = codemap::new_codemap();
|
||||
let handler = diagnostic::mk_handler(none);
|
||||
let sess = @{
|
||||
cm: cm,
|
||||
mutable next_id: 0,
|
||||
diagnostic: diagnostic::mk_handler(cm, none),
|
||||
span_diagnostic: diagnostic::mk_span_handler(handler, cm),
|
||||
mutable chpos: 0u,
|
||||
mutable byte_pos: 0u
|
||||
};
|
||||
|
@ -578,7 +581,7 @@ fn check_variants(files: [str], cx: context) {
|
|||
s, [], sess);
|
||||
#error("%s",
|
||||
as_str(bind pprust::print_crate(sess.cm,
|
||||
sess.diagnostic,
|
||||
sess.span_diagnostic,
|
||||
crate,
|
||||
file,
|
||||
io::string_reader(s), _,
|
||||
|
|
|
@ -9,10 +9,11 @@ export from_file, from_str;
|
|||
|
||||
fn new_parse_sess() -> parser::parse_sess {
|
||||
let cm = codemap::new_codemap();
|
||||
let handler = diagnostic::mk_handler(none);
|
||||
let sess = @{
|
||||
cm: cm,
|
||||
mutable next_id: 1,
|
||||
diagnostic: diagnostic::mk_handler(cm, none),
|
||||
span_diagnostic: diagnostic::mk_span_handler(handler, cm),
|
||||
mutable chpos: 0u,
|
||||
mutable byte_pos: 0u
|
||||
};
|
||||
|
|
Loading…
Reference in New Issue