diff --git a/.run/Demo1.run.xml b/.run/Demo1.run.xml
index 653910c..055866b 100644
--- a/.run/Demo1.run.xml
+++ b/.run/Demo1.run.xml
@@ -3,7 +3,7 @@
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo1 -o target/Demo1" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo1 -o target/Demo1" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo10.run.xml b/.run/Demo10.run.xml
index 94bfc43..3f6bf8b 100644
--- a/.run/Demo10.run.xml
+++ b/.run/Demo10.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo10" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo10" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo10 -o target/Demo10" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo10 -o target/Demo10" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo12.run.xml b/.run/Demo12.run.xml
new file mode 100644
index 0000000..5d75b19
--- /dev/null
+++ b/.run/Demo12.run.xml
@@ -0,0 +1,17 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="Demo12" type="Application" factoryName="Application" folderName="Demo">
+    <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
+    <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
+    <module name="Snow" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo12 -o target/Demo12" />
+    <extension name="coverage">
+      <pattern>
+        <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
+        <option name="ENABLED" value="true" />
+      </pattern>
+    </extension>
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/.run/Demo2.run.xml b/.run/Demo2.run.xml
index 882e77a..3b10a4e 100644
--- a/.run/Demo2.run.xml
+++ b/.run/Demo2.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo2" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo2" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo2 -o target/Demo2" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo2 -o target/Demo2" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo3.run.xml b/.run/Demo3.run.xml
index a949e95..9d0224e 100644
--- a/.run/Demo3.run.xml
+++ b/.run/Demo3.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo3" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo3" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo3 -o target/Demo3" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo3 -o target/Demo3" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo4.run.xml b/.run/Demo4.run.xml
index 57afa15..a84cbe3 100644
--- a/.run/Demo4.run.xml
+++ b/.run/Demo4.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo4" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo4" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo4 -o target/Demo4" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo4 -o target/Demo4" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo5.run.xml b/.run/Demo5.run.xml
index cb543d1..e392f42 100644
--- a/.run/Demo5.run.xml
+++ b/.run/Demo5.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo5" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo5" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo5 -o target/Demo5" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo5 -o target/Demo5" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo6.run.xml b/.run/Demo6.run.xml
index b6c3fdc..a55fc8e 100644
--- a/.run/Demo6.run.xml
+++ b/.run/Demo6.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo6" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo6" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo6 -o target/Demo6" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo6 -o target/Demo6" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo7.run.xml b/.run/Demo7.run.xml
index 6f25770..e8479ec 100644
--- a/.run/Demo7.run.xml
+++ b/.run/Demo7.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo7" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo7" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo7 -o target/Demo7" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo7 -o target/Demo7" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo8.run.xml b/.run/Demo8.run.xml
index 4bb76fe..d4554e1 100644
--- a/.run/Demo8.run.xml
+++ b/.run/Demo8.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo8" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo8" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo8 -o target/Demo8" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo8 -o target/Demo8" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />
diff --git a/.run/Demo9.run.xml b/.run/Demo9.run.xml
index a6bf203..1002732 100644
--- a/.run/Demo9.run.xml
+++ b/.run/Demo9.run.xml
@@ -1,9 +1,9 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Demo9" type="Application" factoryName="Application" folderName="Demo" activateToolWindowBeforeRun="false">
+  <configuration default="false" name="Demo9" type="Application" factoryName="Application" folderName="Demo">
     <option name="ALTERNATIVE_JRE_PATH" value="graalvm-ce-23" />
     <option name="MAIN_CLASS_NAME" value="org.jcnc.snow.cli.SnowCLI" />
     <module name="Snow" />
-    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo9 -o target/Demo9" />
+    <option name="PROGRAM_PARAMETERS" value="compile run -d playground/Demo/Demo9 -o target/Demo9" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.jcnc.snow.compiler.parser.preprocessor.lexer.impl.api.*" />