A real parser (lalrpop)

src/parser.rs

@@ -1,4 +1,18 @@
 crate mod completer;
-crate mod parse;
+crate mod parser;
+crate mod registry;
+crate mod tokens;
 
-crate use self::parse::{shell_parser, Item};
+crate use registry::{CommandConfig, CommandRegistry};
+crate use tokens::{ParsedCommand, Pipeline};
+
+use crate::errors::ShellError;
+use parser::PipelineParser;
+
+pub fn parse(input: &str, _registry: &dyn CommandRegistry) -> Result<Pipeline, ShellError> {
+    let parser = PipelineParser::new();
+
+    parser
+        .parse(input)
+        .map_err(|e| ShellError::string(format!("{:?}", e)))
+}