Parsevisitors

MontiCore · Sep 25, 2024 · 834e44f · 834e44f
1 parent 02a7b1f
commit 834e44f
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Showing 47 changed files with 1,754 additions and 730 deletions.
diff --git a/monticore-generator/src/main/java/de/monticore/codegen/cd2java/mill/MillDecorator.java b/monticore-generator/src/main/java/de/monticore/codegen/cd2java/mill/MillDecorator.java
@@ -100,7 +100,7 @@ public ASTCDClass decorate(List<ASTCDPackage> packageList) {
       List<ASTCDClass> classList = cd.getCDElementList()
           .stream()
           .filter(x -> x instanceof ASTCDClass)
-          .map(x -> (ASTCDClass) x)
+          .map(ASTCDClass.class::cast)
           .filter(x -> !x.getModifier().isAbstract())
           .filter(this::checkIncludeInMill)
           .map(x -> x.deepClone())

diff --git a/monticore-generator/src/main/java/de/monticore/codegen/parser/ParserGenerator.java b/monticore-generator/src/main/java/de/monticore/codegen/parser/ParserGenerator.java
@@ -6,6 +6,8 @@
 import de.monticore.cd.codegen.CDGenerator;
 import de.monticore.cd.codegen.CdUtilsPrinter;
 import de.monticore.cd.codegen.TopDecorator;
+import de.monticore.cd.methodtemplates.CD4C;
+import de.monticore.cdbasis._ast.ASTCDClass;
 import de.monticore.cdbasis._ast.ASTCDCompilationUnit;
 import de.monticore.codegen.cd2java.AbstractService;
 import de.monticore.codegen.cd2java.DecorationHelper;
@@ -15,6 +17,7 @@
 import de.monticore.codegen.cd2java._parser.ParserService;
 import de.monticore.codegen.parser.antlr.AntlrTool;
 import de.monticore.codegen.parser.antlr.Grammar2Antlr;
+import de.monticore.codegen.parser.antlr.Grammar2ParseVisitor;
 import de.monticore.generating.GeneratorEngine;
 import de.monticore.generating.GeneratorSetup;
 import de.monticore.generating.templateengine.GlobalExtensionManagement;
@@ -63,8 +66,8 @@ public static void generateFullParser(
       MCPath templatePath,
       File targetDir)
   {
-    generateParser(glex, astGrammar, symbolTable, handcodedPath, templatePath, targetDir);
-    generateParserWrapper(glex, astClassDiagram, handcodedPath, templatePath, targetDir);
+    ASTCDClass parseVisitorClass = generateParser(glex, astGrammar, symbolTable, handcodedPath, templatePath, targetDir);
+    generateParserWrapper(glex, astClassDiagram, parseVisitorClass, handcodedPath, templatePath, targetDir);
   }
 
 
@@ -76,15 +79,15 @@ public static void generateFullParser(
    * @param astGrammar - grammar AST
    * @param targetDir - target file
    */
-  public static void generateParser(
+  public static ASTCDClass generateParser(
       GlobalExtensionManagement glex,
       ASTMCGrammar astGrammar,
       IGrammar_WithConceptsGlobalScope symbolTable,
       MCPath handcodedPath,
       MCPath templatePath,
       File targetDir)
   {
-    generateParser(glex, astGrammar, symbolTable, handcodedPath, templatePath, targetDir, true, Languages.JAVA);
+    return generateParser(glex, astGrammar, symbolTable, handcodedPath, templatePath, targetDir, true, Languages.JAVA);
   }
 
 
@@ -97,7 +100,7 @@ public static void generateParser(
    * @param targetDir - target file
    * @param embeddedJavaCode - embed Java Code
    */
-  public static void generateParser(
+  public static ASTCDClass generateParser(
       GlobalExtensionManagement glex,
       ASTMCGrammar astGrammar,
       IGrammar_WithConceptsGlobalScope symbolTable,
@@ -131,7 +134,7 @@ public static void generateParser(
     if (astGrammar.isComponent()) {
       ParserInfoGenerator.generateParserInfoForComponent(astGrammar, setup, genHelper.getParserPackage(), lang);
       Log.info("No parser generation for the grammar " + astGrammar.getName(), LOG);
-      return;
+      return null;
     }
 
     Log.debug("Start parser generation for the grammar " + astGrammar.getName(), LOG);
@@ -148,6 +151,15 @@ public static void generateParser(
         astGrammar.getName() + "AntlrParser" + suffix + ".g4");
     new GeneratorEngine(setup).generate("parser.Parser", parserPath, astGrammar, grammar2Antlr, suffix);
 
+    // 1.5 ParseVisitor
+    CD4C.init(setup);
+    traverser = Grammar_WithConceptsMill.traverser();
+    Grammar2ParseVisitor parserVisitor = new Grammar2ParseVisitor(glex, genHelper, grammarInfo, grammar2Antlr.getTmpNameDict());
+    traverser.add4Grammar(parserVisitor);
+    traverser.setGrammarHandler(parserVisitor);
+    astGrammar.accept(traverser);
+
+
     // 2. Lexer
     suffix  = GeneratorEngine.existsHandwrittenClass(handcodedPath,
             genHelper.getParserPackage()+"."+astGrammar.getName()+"AntlrLexer")?"TOP":"";
@@ -162,7 +174,14 @@ public static void generateParser(
     Path gLexer = Paths.get(targetDir.getPath(), lexerPath.toString());
 
     AntlrTool antlrTool = new AntlrTool(
-            new String[] { outputLang, "-o", antlrPath.toString(), "-Xexact-output-dir", "-no-listener", gLexer.toString(), gParser.toString() },
+            new String[] { outputLang,
+                    "-o", antlrPath.toString(),
+                    "-package", genHelper.getParserPackage(),
+                    "-Xexact-output-dir",
+                    "-no-listener",
+                    "-visitor",
+                    gLexer.toString().replace('\\', '/'), // fix windows paths unicode \\u
+                    gParser.toString().replace('\\', '/') },
             grammarSymbol,
             grammar2Antlr.getTmpNameDict()
     );
@@ -174,6 +193,8 @@ public static void generateParser(
     Log.debug("End parser generation for the grammar " + astGrammar.getName(), LOG);
 
     ParserInfoGenerator.generateParserInfo(astGrammar, setup, antlrTool.getNonTerminalToParserStates(), genHelper.getParserPackage(), lang);
+
+    return parserVisitor.getVisitorClass();
   }
 
   /**
@@ -185,6 +206,7 @@ public static void generateParser(
   public static void generateParserWrapper(
       GlobalExtensionManagement glex,
       ASTCDCompilationUnit astClassDiagram,
+      ASTCDClass parseVisitorClass,
       MCPath handcodedPath,
       MCPath templatePath,
       File targetDir) {
@@ -195,6 +217,11 @@ public static void generateParserWrapper(
 
     ASTCDCompilationUnit decoratedCD = parserCDDecorator.decorate(astClassDiagram);
 
+    if (parseVisitorClass != null) {
+      // add the ASTBuilder class if exists
+      decoratedCD.getCDDefinition().getCDPackagesList().iterator().next().addCDElement(parseVisitorClass);
+    }
+
     TopDecorator topDecorator = new TopDecorator(handcodedPath);
     topDecorator.decorate(decoratedCD);
 

diff --git a/...ore-generator/src/main/java/de/monticore/codegen/parser/antlr/ASTConstructionActions.java b/...ore-generator/src/main/java/de/monticore/codegen/parser/antlr/ASTConstructionActions.java
diff --git a/monticore-generator/src/main/java/de/monticore/codegen/parser/antlr/AntlrTool.java b/monticore-generator/src/main/java/de/monticore/codegen/parser/antlr/AntlrTool.java
@@ -66,7 +66,7 @@ protected void createMessage(ANTLRMessage message, boolean isError) {
     for (int i = 0; i < args.length; i++) {
       if (args[i] instanceof String) {
         String name = StringTransformations.capitalize((String) args[i]);
-        Optional<ProdSymbol> rule = grammarSymbol==null?grammarSymbol.getProd(name):Optional.empty();
+        Optional<ProdSymbol> rule = grammarSymbol!=null?grammarSymbol.getProd(name):Optional.empty();
         if (rule.isPresent()) {
           args[i] = name;
           if (i == 0) {