add lexer

tester

.idea/gradle.xml

@@ -5,6 +5,7 @@
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="corretto-21" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="corretto-21" project-jdk-type="JavaSDK" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK" />
 </project>

src/main/antlr/TurtleLexer.g

@@ -12,7 +12,30 @@ options {
   
 }
 
-entite: '<' ID '>';
+LC : '<'
+RC : '>'
+P: '.'
+V: ','
+SEMI: ';'
+G: '"'
+prog : bloc EOF
+    ;
+bloc : sujet listvc P
+    ;
+sujet : LC entity RC
+    ;
+listvc : LC vc RC more
+    ;
+more : SEMI listvc
+    |
+    ;
+vc : LC verbe RC listc
+    ;
+listc : LC comp RC morec
+    ;
+morec : V comp
+    |
+    ;