diff --git a/dm/src/main.rs b/dm/src/main.rs
index bfff713..fec9c2a 100644
--- a/dm/src/main.rs
+++ b/dm/src/main.rs
@@ -1,4 +1,8 @@
 use clap::Parser;
+use codespan_reporting::diagnostic::Label;
+use codespan_reporting::files::SimpleFiles;
+use codespan_reporting::term;
+use codespan_reporting::term::termcolor::{ColorChoice, StandardStream};
 use dmc_lib::constants_table::ConstantsTable;
 use dmc_lib::diagnostic::Diagnostic;
 use dmc_lib::parser::parse_compilation_unit;
@@ -22,16 +26,20 @@ fn main() {
     let input = std::fs::read_to_string(&args.script).unwrap();
 
     let mut compilation_unit = parse_compilation_unit(&input);
+
+    let mut files: SimpleFiles<&str, &str> = SimpleFiles::new();
+    let script_file_id = files.add(args.script.to_str().unwrap(), &input);
+
     let mut symbol_table = SymbolTable::new();
 
     let gather_names_diagnostics = compilation_unit.gather_declared_names(&mut symbol_table);
-    check_and_report_diagnostics(&gather_names_diagnostics);
+    check_and_report_diagnostics(&files, script_file_id, &gather_names_diagnostics);
 
     let name_usages_diagnostics = compilation_unit.check_name_usages(&symbol_table);
-    check_and_report_diagnostics(&name_usages_diagnostics);
+    check_and_report_diagnostics(&files, script_file_id, &name_usages_diagnostics);
 
     let type_check_diagnostics = compilation_unit.type_check(&symbol_table);
-    check_and_report_diagnostics(&type_check_diagnostics);
+    check_and_report_diagnostics(&files, script_file_id, &type_check_diagnostics);
 
     let mut constants_table = ConstantsTable::new();
     let asm_functions = compilation_unit.assemble(&symbol_table, &mut constants_table);
@@ -62,10 +70,31 @@ fn main() {
     println!("{:?}", result);
 }
 
-fn check_and_report_diagnostics(diagnostics: &[Diagnostic]) {
+fn check_and_report_diagnostics(
+    files: &SimpleFiles<&str, &str>,
+    script_file_id: usize,
+    diagnostics: &[Diagnostic],
+) {
     if !diagnostics.is_empty() {
+        let writer = StandardStream::stderr(ColorChoice::Always);
+        let config = term::Config::default();
         for diagnostic in diagnostics {
-            println!("{:?}", diagnostic);
+            let csr_diagnostic = codespan_reporting::diagnostic::Diagnostic::error()
+                .with_message(diagnostic.message())
+                .with_label(Label::primary(
+                    script_file_id,
+                    diagnostic.start()..diagnostic.end(),
+                ));
+
+            term::emit_to_write_style(&mut writer.lock(), &config, files, &csr_diagnostic).unwrap();
+        }
+        if diagnostics.len() == 1 {
+            eprintln!("There was 1 diagnostic. See above for more information.");
+        } else {
+            eprintln!(
+                "There were {} diagnostics. See above for more information.",
+                diagnostics.len()
+            );
         }
         std::process::exit(1);
     }