implement basic namespacing for types, traits and commands

src/main.rs

@@ -1,3 +1,4 @@
+use builtins::initialise_globals;
 use codespan_reporting::files::SimpleFiles;
 use codespan_reporting::term;
 use codespan_reporting::term::termcolor::ColorChoice;
@@ -6,6 +7,8 @@ use syntax::parse_syntax;
 
 use crate::syntax::check::check;
 
+mod builtins;
+mod hir;
 mod lexer;
 mod syntax;
 
@@ -13,6 +16,11 @@ fn main() {
     let mut files = SimpleFiles::new();
     let mut out_errs = Vec::new();
 
+    let global_ns = initialise_globals();
+    let int = global_ns.get_type_by_name("integer").unwrap();
+    let numeric = global_ns.get_trait_by_name("Numeric").unwrap();
+    assert!(int.has_trait(&numeric));
+
     let invalid_toks = "meow | gay $ error!\\";
     let invalid_toks_id = files.add("invalid_toks", invalid_toks);
     if let Err(err) = parse_syntax(invalid_toks, invalid_toks_id) {
@@ -39,6 +47,16 @@ fn main() {
         out_errs.append(&mut errs)
     }
 
+    let invalid_no_sink = "meow | invert | ";
+    let invalid_no_sink_id = files.add("invalid_no_sink", invalid_no_sink);
+    if let Err(mut errs) = check(
+        parse_syntax(invalid_no_sink, invalid_no_sink_id).unwrap(),
+        invalid_no_sink,
+        invalid_no_sink_id,
+    ) {
+        out_errs.append(&mut errs)
+    }
+
     // invalid
     let writer = StandardStream::stderr(ColorChoice::Always);
     let config = term::Config::default();