Commands

- Added commands to `TypeCheckerBase!()` mixin template
- Added `TypeCheckerInit(Compiler compiler)`
- Use the template in both `compile` command and the`typecheck` command

source/tlang/commandline/commands.d

@@ -116,7 +116,15 @@ mixin template EmitBase()
  */
 mixin template TypeCheckerBase()
 {
+    @ArgNamed("unusedVars|uvars", "Warn about any unused variables")
+    @(ArgConfig.optional)
+    bool warnUnusedVariables = true;
 
+    void TypeCheckerInit(Compiler compiler)
+    {
+        // Set whether to warn about unused variables
+        compiler.getConfig().addConfig(ConfigEntry("typecheck:warnUnusedVars", warnUnusedVariables));
+    }
 }
 
 /** 
@@ -127,7 +135,7 @@ struct compileCommand
 {
     mixin BaseCommand!();
 
-
+    mixin TypeCheckerBase!();
 
     mixin EmitBase!();
 
@@ -154,6 +162,9 @@ struct compileCommand
             /* Setup general configuration parameters */
             BaseCommandInit(compiler);
 
+            /* Setup all type checker related parameters */
+            TypeCheckerInit(compiler);
+
             /* Perform tokenization */
             compiler.doLex();
             writeln("=== Tokens ===\n");
@@ -295,7 +306,7 @@ struct parseCommand
 struct typecheckCommand
 {
     mixin BaseCommand!();
-
+    mixin TypeCheckerBase!();
 
     void onExecute()
     {
@@ -317,6 +328,9 @@ struct typecheckCommand
             /* Setup general configuration parameters */
             BaseCommandInit(compiler);
 
+            /* Setup all type checker related parameters */
+            TypeCheckerInit(compiler);
+
             compiler.doLex();
             writeln("=== Tokens ===\n");
             writeln(compiler.getTokens());