parser start

test/parser/1.in

@@ -0,0 +1 @@
+42

test/parser/1.out

@@ -0,0 +1,3 @@
+Module
+  ExprStmt
+    Number(42)

test/tester.sh

@@ -1,15 +1,30 @@
 #!/bin/bash
+cd "$(dirname "$0")"
 
-cd "$(dirname "$0")"  # Change to script directory
-
+echo "=== LEXER TESTS ==="
 for test in lexer/*.in; do
     name=$(basename "$test" .in)
-    echo "Testing $name..."
+    echo "Testing lexer/$name..."
     
     if ! ../build/py2rb --dump-tokens < "$test" | diff - "lexer/${name}.out"; then
-        echo "FAILED: $name"
+        echo "FAILED: lexer/$name"
         exit 1
     fi
 done
+echo "✓ All lexer tests passed"
 
+echo ""
+echo "=== PARSER TESTS ==="
+for test in parser/*.in; do
+    name=$(basename "$test" .in)
+    echo "Testing parser/$name..."
+    
+    if ! ../build/py2rb --dump-ast < "$test" | diff - "parser/${name}.out"; then
+        echo "FAILED: parser/$name"
+        exit 1
+    fi
+done
+echo "✓ All parser tests passed"
+
+echo ""
 echo "SUCCESS: All tests passed"