Read and parse stdin

2 files changed, 7 insertions, 4 deletions

diff --git a/src/main.rs b/src/main.rs
index aebbad9..e5238dc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,12 +9,15 @@ mod grammar_util;
 pub mod lexer;
 pub mod parser;
 
+use std::io::{self, Read};
+
 fn main() {
-    println!("Hello, world!");
+    let mut buffer = String::new();
+    io::stdin().read_to_string(&mut buffer).unwrap();
+    let r = parser::parse_expr(&buffer);
+    println!("{:?}", r);
 
     /*
-    inText <- Data.Text.Lazy.IO.getContents
-
     expr <- case exprFromText (Directed "(stdin)" 0 0 0 0) inText of
         Left  err  -> Control.Exception.throwIO err
         Right expr -> return expr
diff --git a/src/parser.rs b/src/parser.rs
index 1561230..1ecf040 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -6,7 +6,7 @@ use lexer::{Lexer, LexicalError, Tok};
 
 pub type ParseError = lalrpop_util::ParseError<usize, Tok, LexicalError>;
 
-fn parse_expr(s: &str) -> Result<BoxExpr, ParseError>  {
+pub fn parse_expr(s: &str) -> Result<BoxExpr, ParseError>  {
     grammar::parse_Expr(Lexer::new(s))
 }