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Add src/reporting.rs
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@ -29,6 +29,7 @@ pub mod llvm;
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pub mod load;
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pub mod mono;
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pub mod pretty_print_types;
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pub mod reporting;
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pub mod solve;
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pub mod subs;
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pub mod types;
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101
compiler/src/reporting.rs
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101
compiler/src/reporting.rs
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@ -0,0 +1,101 @@
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use crate::can::problem::Problem;
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use crate::module::symbol::{Interns, ModuleId, Symbol};
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use crate::pretty_print_types::content_to_string;
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use crate::region::Region;
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use crate::subs::{Content, Subs};
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use std::path::PathBuf;
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/// A textual report.
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pub struct Report {
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pub filename: PathBuf,
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pub text: ReportText,
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}
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impl Report {
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pub fn problem(filename: PathBuf, problem: Problem) -> Self {
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let text = ReportText::Plain("TODO convert Problem to ReportText".into());
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Report { filename, text }
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}
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}
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#[derive(Debug, Clone)]
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pub enum ReportText {
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/// A value. Render it qualified unless it was defined in the current module.
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Value(Symbol),
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/// A type. Render it using pretty_print_types for now, but maybe
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/// do something fancier later.
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Type(Content),
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/// Plain text
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Plain(Box<str>),
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/// Emphasized text (might be bold, italics, a different color, etc)
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EmText(Box<str>),
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/// A region in the original source
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Region(Region),
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/// A URL, which should be rendered as a hyperlink.
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Url(Box<str>),
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}
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impl ReportText {
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/// Render to CI console output, where no colors are available.
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pub fn render_ci(
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self,
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buf: &mut String,
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subs: &mut Subs,
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home: ModuleId,
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src_lines: &[&str],
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interns: &Interns,
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) {
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use ReportText::*;
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match self {
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Plain(string) => buf.push_str(&string),
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EmText(string) => {
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// Since this is CI, the best we can do for emphasis are asterisks.
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buf.push('*');
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buf.push_str(&string);
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buf.push('*');
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}
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Url(url) => {
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buf.push('<');
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buf.push_str(&url);
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buf.push('>');
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}
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Value(symbol) => {
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if symbol.module_id() == home {
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// Render it unqualified if it's in the current module.
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buf.push_str(symbol.ident_string(interns));
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} else {
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buf.push_str(symbol.module_string(interns));
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buf.push('.');
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buf.push_str(symbol.ident_string(interns));
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}
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}
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Type(content) => buf.push_str(content_to_string(content, subs, home, interns).as_str()),
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Region(region) => {
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panic!(
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"TODO convert these source lines and this region into a String: {:?}, {:?}",
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src_lines, region
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);
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}
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}
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}
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/// Render to a color terminal using ANSI escape sequences
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pub fn render_color_terminal(
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&self,
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_buf: &mut String,
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_subs: &mut Subs,
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_home: ModuleId,
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_src_lines: &[&str],
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_interns: &Interns,
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) {
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// TODO do the same stuff as render_ci, but with colors via ANSI terminal escape codes!
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// Examples of how to do this are in the source code of https://github.com/rtfeldman/console-print
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}
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}
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