diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/.gitignore b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/.gitignore	
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/Project.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..664f8f1
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/Project.xml	
@@ -0,0 +1,10 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <option name="OTHER_INDENT_OPTIONS">
+      <value>
+        <option name="INDENT_SIZE" value="2" />
+        <option name="TAB_SIZE" value="2" />
+      </value>
+    </option>
+  </code_scheme>
+</component>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/codeStyleConfig.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/codeStyles/codeStyleConfig.xml	
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/libraries/antlr_3_5_2_complete.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/libraries/antlr_3_5_2_complete.xml
new file mode 100644
index 0000000..aa5a3ea
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/libraries/antlr_3_5_2_complete.xml	
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="antlr-3.5.2-complete">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/lib/antlr-3.5.2-complete.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/misc.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/misc.xml
new file mode 100644
index 0000000..d937403
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/misc.xml	
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_13" project-jdk-name="13" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/modules.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/modules.xml
new file mode 100644
index 0000000..f051285
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/modules.xml	
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/../CC-Praxis-Antlr Baumgrammatiken/CC-Praxis-Antlr Baumgrammatiken.iml" filepath="$PROJECT_DIR$/../CC-Praxis-Antlr Baumgrammatiken/CC-Praxis-Antlr Baumgrammatiken.iml" />
+      <module fileurl="file://$PROJECT_DIR$/CC-Praxis-Antlr Baumgrammatiken-Leer.iml" filepath="$PROJECT_DIR$/CC-Praxis-Antlr Baumgrammatiken-Leer.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/vcs.xml b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/.idea/vcs.xml	
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken-Leer/CC-Praxis-Antlr Baumgrammatiken-Leer.iml b/CC-Praxis-Antlr Baumgrammatiken-Leer/CC-Praxis-Antlr Baumgrammatiken-Leer.iml
new file mode 100644
index 0000000..aba1c22
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken-Leer/CC-Praxis-Antlr Baumgrammatiken-Leer.iml	
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="antlr-3.5.2-complete" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/CC-Praxis-Antlr Baumgrammatiken/CC-Praxis-Antlr Baumgrammatiken.iml b/CC-Praxis-Antlr Baumgrammatiken/CC-Praxis-Antlr Baumgrammatiken.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/CC-Praxis-Antlr Baumgrammatiken/CC-Praxis-Antlr Baumgrammatiken.iml	
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file