Add error index generator.
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0d7d3ec9d2
commit
1174114356
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@ -58,7 +58,7 @@ RUSTC_CRATES := rustc rustc_typeck rustc_borrowck rustc_resolve rustc_driver \
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rustc_data_structures
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HOST_CRATES := syntax $(RUSTC_CRATES) rustdoc fmt_macros
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CRATES := $(TARGET_CRATES) $(HOST_CRATES)
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TOOLS := compiletest rustdoc rustc rustbook
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TOOLS := compiletest rustdoc rustc rustbook error-index-generator
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DEPS_core :=
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DEPS_libc := core
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@ -107,10 +107,12 @@ TOOL_DEPS_compiletest := test getopts
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TOOL_DEPS_rustdoc := rustdoc
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TOOL_DEPS_rustc := rustc_driver
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TOOL_DEPS_rustbook := std rustdoc
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TOOL_DEPS_error-index-generator := rustdoc syntax serialize
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TOOL_SOURCE_compiletest := $(S)src/compiletest/compiletest.rs
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TOOL_SOURCE_rustdoc := $(S)src/driver/driver.rs
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TOOL_SOURCE_rustc := $(S)src/driver/driver.rs
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TOOL_SOURCE_rustbook := $(S)src/rustbook/main.rs
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TOOL_SOURCE_error-index-generator := $(S)src/error-index-generator/main.rs
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ONLY_RLIB_core := 1
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ONLY_RLIB_libc := 1
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10
mk/docs.mk
10
mk/docs.mk
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@ -71,6 +71,10 @@ RUSTBOOK_EXE = $(HBIN2_H_$(CFG_BUILD))/rustbook$(X_$(CFG_BUILD))
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# ./configure
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RUSTBOOK = $(RPATH_VAR2_T_$(CFG_BUILD)_H_$(CFG_BUILD)) $(RUSTBOOK_EXE)
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# The error-index-generator executable...
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ERR_IDX_GEN_EXE = $(HBIN2_H_$(CFG_BUILD))/error-index-generator$(X_$(CFG_BUILD))
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ERR_IDX_GEN = $(RPATH_VAR2_T_$(CFG_BUILD)_H_$(CFG_BUILD)) $(ERR_IDX_GEN_EXE)
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D := $(S)src/doc
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DOC_TARGETS := trpl style
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@ -288,3 +292,9 @@ doc/style/index.html: $(RUSTBOOK_EXE) $(wildcard $(S)/src/doc/style/*.md) | doc/
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@$(call E, rustbook: $@)
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$(Q)rm -rf doc/style
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$(Q)$(RUSTBOOK) build $(S)src/doc/style doc/style
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error-index: doc/error-index.html
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doc/error-index.html: $(ERR_IDX_GEN_EXE) | doc/
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$(Q)$(call E, error-index-generator: $@)
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$(Q)$(ERR_IDX_GEN)
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@ -70,7 +70,7 @@ define PREPARE_MAN
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$(Q)$(PREPARE_MAN_CMD) $(PREPARE_SOURCE_MAN_DIR)/$(1) $(PREPARE_DEST_MAN_DIR)/$(1)
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endef
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PREPARE_TOOLS = $(filter-out compiletest rustbook, $(TOOLS))
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PREPARE_TOOLS = $(filter-out compiletest rustbook error-index-generator, $(TOOLS))
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# $(1) is tool
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@ -0,0 +1,111 @@
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// Copyright 2015 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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#![feature(rustc_private, rustdoc)]
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extern crate syntax;
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extern crate rustdoc;
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extern crate serialize as rustc_serialize;
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use std::collections::BTreeMap;
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use std::fs::{read_dir, File};
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use std::io::{Read, Write};
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use std::path::Path;
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use std::error::Error;
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use syntax::diagnostics::metadata::{get_metadata_dir, ErrorMetadataMap};
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use rustdoc::html::markdown::Markdown;
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use rustc_serialize::json;
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/// Load all the metadata files from `metadata_dir` into an in-memory map.
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fn load_all_errors(metadata_dir: &Path) -> Result<ErrorMetadataMap, Box<Error>> {
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let mut all_errors = BTreeMap::new();
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for entry in try!(read_dir(metadata_dir)) {
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let path = try!(entry).path();
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let mut metadata_str = String::new();
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try!(
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File::open(&path).and_then(|mut f|
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f.read_to_string(&mut metadata_str))
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);
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let some_errors: ErrorMetadataMap = try!(json::decode(&metadata_str));
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for (err_code, info) in some_errors {
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all_errors.insert(err_code, info);
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}
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}
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Ok(all_errors)
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}
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/// Output an HTML page for the errors in `err_map` to `output_path`.
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fn render_error_page(err_map: &ErrorMetadataMap, output_path: &Path) -> Result<(), Box<Error>> {
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let mut output_file = try!(File::create(output_path));
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try!(write!(&mut output_file,
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r##"<!DOCTYPE html>
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<html>
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<head>
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<title>Rust Compiler Error Index</title>
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<link rel="stylesheet" type="text/css" href="rust.css"/>
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</head>
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<body>
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"##
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));
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try!(write!(&mut output_file, "<h1>Rust Compiler Error Index</h1>\n"));
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for (err_code, info) in err_map.iter() {
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// Enclose each error in a div so they can be shown/hidden en masse.
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let desc_desc = match info.description {
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Some(_) => "error-described",
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None => "error-undescribed"
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};
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let use_desc = match info.use_site {
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Some(_) => "error-used",
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None => "error-unused"
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};
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try!(write!(&mut output_file, "<div class=\"{} {}\">", desc_desc, use_desc));
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// Error title (with self-link).
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try!(write!(&mut output_file,
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"<h2 id=\"{0}\"><a href=\"#{0}\">{0}</a></h2>\n",
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err_code
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));
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// Description rendered as markdown.
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match info.description {
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Some(ref desc) => try!(write!(&mut output_file, "{}", Markdown(desc))),
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None => try!(write!(&mut output_file, "<p>No description.</p>\n"))
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}
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try!(write!(&mut output_file, "</div>\n"));
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}
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try!(write!(&mut output_file, "</body>\n</html>"));
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Ok(())
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}
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fn main_with_result() -> Result<(), Box<Error>> {
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let metadata_dir = get_metadata_dir();
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let err_map = try!(load_all_errors(&metadata_dir));
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try!(render_error_page(&err_map, Path::new("doc/error-index.html")));
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Ok(())
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}
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fn main() {
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if let Err(e) = main_with_result() {
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panic!("{}", e.description());
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}
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}
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