From 17fd0dd6d7ab9ef9529be0b0d70fcea683c08603 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Sat, 2 Mar 2019 17:12:41 +0100
Subject: Move part of parser into its own crate to limit recompilation times

---
 dhall/build.rs | 35 +----------------------------------
 1 file changed, 1 insertion(+), 34 deletions(-)

(limited to 'dhall/build.rs')

diff --git a/dhall/build.rs b/dhall/build.rs
index 9d5d8f7..946841a 100644
--- a/dhall/build.rs
+++ b/dhall/build.rs
@@ -1,39 +1,6 @@
-use std::fs::File;
-use std::io::{Read,Write,BufReader,BufRead};
-use std::collections::HashMap;
-
 use lalrpop;
-use abnf_to_pest::{PestRuleSettings, abnf_to_pest};
 
-fn main() -> std::io::Result<()> {
+fn main() {
     lalrpop::process_root().unwrap();
     println!("cargo:rerun-if-changed=src/grammar.lalrpop");
-
-
-    let abnf_path = "../dhall-lang/standard/dhall.abnf";
-    let visibility_path = "src/dhall.pest.visibility";
-    let pest_path = "src/dhall.pest";
-    println!("cargo:rerun-if-changed={}", abnf_path);
-    println!("cargo:rerun-if-changed={}", visibility_path);
-
-    let mut file = File::open(abnf_path)?;
-    let mut data = Vec::new();
-    file.read_to_end(&mut data)?;
-    data.push('\n' as u8);
-
-    let mut rule_settings: HashMap<String, PestRuleSettings> = HashMap::new();
-    for line in BufReader::new(File::open(visibility_path)?).lines() {
-        let line = line?;
-        if line.len() >= 2 && &line[0..2] == "# " {
-            rule_settings.insert(line[2..].into(), PestRuleSettings { visible: false, ..Default::default() });
-        } else {
-            rule_settings.insert(line, PestRuleSettings { visible: true, ..Default::default() });
-        }
-    }
-
-    let mut file = File::create(pest_path)?;
-    writeln!(&mut file, "{}", abnf_to_pest(&data, &rule_settings)?)?;
-    writeln!(&mut file, "final_expression = _{{ SOI ~ complete_expression ~ EOI }}")?;
-
-    Ok(())
 }
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