update preprocessor

relast.preprocessor @ 79d237fd

-Subproject commit 54af6737685fab0be452f446b70b9842aba89e42
+Subproject commit 79d237fda220364ffebf77dc7de0a7b29635e360

relast2uml.base/build.gradle

@@ -17,6 +17,8 @@ buildscript {
 }
 
 dependencies {
+    implementation project(':relast.preprocessor')
+
     implementation group: 'com.github.spullara.mustache.java', name: 'compiler', version: '0.9.6'
     implementation group: 'org.apache.logging.log4j', name: 'log4j-jul', version: '2.11.2'
     runtime group: 'org.jastadd', name: 'jastadd', version: '2.3.4'

relast2uml.base/src/main/jastadd/Navigation.jrag

@@ -9,68 +9,11 @@ aspect Navigation {
   eq Relast2Uml.getChild().relast2uml() = this;
   eq MRelast2Uml.getChild().relast2uml() = getRelast2Uml();
 
-  // --- containedFile (first equation should be in preprocessor) ---
-  eq Program.getChild().containedFile() = null;
+  // --- containedFile ---
   eq Relast2Uml.getChild().containedFile() = null;
 
-  // --- isTypeDecl (should be in preprocessor) ---
-  syn boolean Declaration.isTypeDecl() = false;
-  eq TypeDecl.isTypeDecl() = true;
-
-  // --- asTypeDecl (should be in preprocessor) ---
-  syn TypeDecl Declaration.asTypeDecl() = null;
-  eq TypeDecl.asTypeDecl() = this;
-
-  // --- isTypeComponent (should be in preprocessor) ---
-  syn boolean Component.isTypeComponent() = false;
-  eq TypeComponent.isTypeComponent() = true;
-
-  // --- asTypeComponent (should be in preprocessor) ---
-  syn TypeComponent Component.asTypeComponent() = null;
-  eq TypeComponent.asTypeComponent() = this;
-
-  // --- isNormalComponent (should be in preprocessor) ---
-  syn boolean Component.isNormalComponent() = false;
-  eq NormalComponent.isNormalComponent() = true;
-
-  // --- asNormalComponent (should be in preprocessor) ---
-  syn NormalComponent Component.asNormalComponent() = null;
-  eq NormalComponent.asNormalComponent() = this;
-
-  // --- isListComponent (should be in preprocessor) ---
-  syn boolean Component.isListComponent() = false;
-  eq ListComponent.isListComponent() = true;
-
-  // --- asListComponent (should be in preprocessor) ---
-  syn ListComponent Component.asListComponent() = null;
-  eq ListComponent.asListComponent() = this;
-
-  // --- isDirectedRelation (should be in preprocessor) ---
-  syn boolean Relation.isDirectedRelation() = false;
-  eq DirectedRelation.isDirectedRelation() = true;
-
-  // --- asDirectedRelation (should be in preprocessor) ---
-  syn DirectedRelation Relation.asDirectedRelation() = null;
-  eq DirectedRelation.asDirectedRelation() = this;
-
-  // --- asBidirectionalRelation (should be in preprocessor) ---
-  syn BidirectionalRelation Relation.asBidirectionalRelation() = null;
-  eq BidirectionalRelation.asBidirectionalRelation() = this;
-
-  // --- isListRole (should be in preprocessor) ---
-  syn boolean Role.isListRole() = false;
-  eq ListRole.isListRole() = true;
-
-  // --- containedFileName (should replace containedFile in preprocessor) ---
-  inh String ASTNode.containedFileName();
-  eq GrammarFile.getChild().containedFileName() = getFileName();
+  // --- containedFileName ---
   eq Relast2Uml.getChild().containedFileName() = getFileName();
   eq Program.getChild().containedFileName() = null;
   eq MRelast2Uml.getChild().containedFileName() = null;
-
-  // --- allTokenComponents ---
-  coll java.util.Set<TokenComponent> Program.allTokenComponents() [new java.util.HashSet<>()] root Program;
-  TokenComponent contributes this
-    to Program.allTokenComponents()
-    for program();
 }

relast2uml.base/src/main/jastadd/scanner/Header.flex

@@ -13,5 +13,8 @@ import org.jastadd.relast2uml.parser.Relast2UmlParser.Terminals;
 %yylexthrow beaver.Scanner.Exception
 %scanerror Relast2UmlScanner.ScannerError
 
+%x COMMENT
+%s DECLARATION
+
 %line
 %column

relast2uml.base/src/main/jastadd/scanner/Keywords.flex

-"folder"       { return sym(Terminals.FOLDER); }
+"folder"       { yybegin(DECLARATION); return sym(Terminals.FOLDER); }

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/Compiler.java

 package org.jastadd.relast2uml.compiler;
 
 import beaver.Parser;
-import org.jastadd.relast2uml.ast.*;
-import org.jastadd.relast2uml.compiler.options.CommandLine;
-import org.jastadd.relast2uml.compiler.options.FlagOption;
-import org.jastadd.relast2uml.compiler.options.Option;
-import org.jastadd.relast2uml.compiler.options.StringOption;
+import org.jastadd.option.BooleanOption;
+import org.jastadd.option.ValueOption;
+import org.jastadd.relast.compiler.AbstractCompiler;
+import org.jastadd.relast.compiler.CompilerException;
+import org.jastadd.relast2uml.ast.ErrorMessage;
+import org.jastadd.relast2uml.ast.GrammarFile;
+import org.jastadd.relast2uml.ast.Program;
+import org.jastadd.relast2uml.ast.Relast2Uml;
 import org.jastadd.relast2uml.parser.Relast2UmlParser;
 import org.jastadd.relast2uml.scanner.Relast2UmlScanner;
 
@@ -13,93 +16,22 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.ArrayList;
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;
 
-public class Compiler {
+public class Compiler extends AbstractCompiler {
 
-  private StringOption optionOutputFile;
-  private StringOption optionInputRelast2Uml;
-  private FlagOption optionDefaultFolders;
-  private FlagOption optionHelp;
-  private FlagOption optionVersion;
-  private FlagOption optionVerbose;
-
-  private ArrayList<Option<?>> options;
-  private CommandLine commandLine;
+  private ValueOption optionOutputFile;
+  private ValueOption optionInputRelast2Uml;
+  private BooleanOption optionDefaultFolders;
+  private BooleanOption optionHelp;
+  private BooleanOption optionVersion;
+  private BooleanOption optionVerbose;
 
   public Compiler() {
-    options = new ArrayList<>();
-    addOptions();
-  }
-
-  public void run(String[] args) throws CommandLine.CommandLineException, CompilerException {
-    System.setProperty("java.util.logging.manager", "org.apache.logging.log4j.jul.LogManager");
-    System.setProperty("mustache.debug", "true");
-    options = new ArrayList<>();
-    addOptions();
-    commandLine = new CommandLine(options);
-    commandLine.parse(args);
-
-    if (optionHelp.isSet()) {
-      printUsage();
-      return;
-    }
-
-    if (optionVersion.isSet()) {
-      System.out.println(readVersion());
-      return;
-    }
-
-    if (optionVerbose.isSet()) {
-      try {
-        run();
-      } catch (CompilerException e) {
-        e.printStackTrace();
-        throw e;
-      }
-    } else {
-      run();
-    }
-  }
-
-  private void run() throws CompilerException {
-    printMessage("Running relast2uml " + readVersion());
-
-    String output;
-    if (optionOutputFile.isSet()) {
-      output = optionOutputFile.getValue();
-    } else {
-      output = "uml.md";
-      System.out.println("No output output file is set. Assuming '" + output + "'.");
-    }
-    try {
-      Files.createDirectories(Paths.get(output).toAbsolutePath().getParent());
-    } catch (IOException e) {
-      throw new CompilerException("Error creating output dir " + Paths.get(output).getParent().toAbsolutePath(), e);
-    }
-
-    if (anyRequiredOptionIsUnset()) {
-      throw new CompilerException("Aborting due to missing values for required options.");
-    }
-    if (commandLine.getArguments().isEmpty()) {
-      throw new CompilerException("No input grammars specified!");
-    }
-
-    Relast2Uml relast2uml = parseProgram();
-
-    if (!relast2uml.errors().isEmpty()) {
-      System.err.println("Errors:");
-      for (ErrorMessage e : relast2uml.errors()) {
-        System.err.println(e);
-      }
-      System.exit(1);
-    }
-
-    printMessage("Writing output file " + output);
-    writeToFile(output, relast2uml.generateAspect());
+    super("relast2uml", false);
   }
 
   /**
@@ -122,23 +54,12 @@ public class Compiler {
     }
   }
 
-  private boolean anyRequiredOptionIsUnset() {
-    boolean foundError = false;
-    for (Option<?> option : options) {
-      if (option.hasArgument() == Option.HasArgument.YES && !option.isSet()) {
-        System.err.println("Option '" + option.getName() +
-            "' (" + option.getDescription() + ") is required but unset!");
-        foundError = true;
-      }
-    }
-    return foundError;
-  }
-
-
   public static void main(String[] args) {
+    System.setProperty("java.util.logging.manager", "org.apache.logging.log4j.jul.LogManager");
+    System.setProperty("mustache.debug", "true");
     try {
       new Compiler().run(args);
-    } catch (CommandLine.CommandLineException | CompilerException e) {
+    } catch (CompilerException e) {
       System.err.println(e.getMessage());
       System.exit(-1);
     }
@@ -158,38 +79,42 @@ public class Compiler {
     }
   }
 
-  private void addOptions() {
-    optionOutputFile = addOption(new StringOption(
-        "output", "target file to be generated.", "uml.md").makeOptional());
-    optionInputRelast2Uml = addOption(new StringOption(
-        "inputRelast2Uml", "relast2uml definition file.").makeOptional());
-    optionDefaultFolders = addOption(new FlagOption(
-        "defaultFolders", "Creates a default folder per grammar file."));
-    optionHelp = addOption(new FlagOption(
-        "help", "Print usage and exit."));
-    optionVersion = addOption(new FlagOption(
-        "help", "Print version and exit."));
-    optionVerbose = addOption(new FlagOption(
-        "verbose", "Print more messages while compiling."));
-  }
-
-  private <OptionType extends Option<?>> OptionType addOption(OptionType option) {
-    options.add(option);
-    return option;
+  protected void initOptions() {
+    optionOutputFile = addOption(
+        new ValueOption("output", "target file to be generated.")
+            .defaultValue("uml.md")
+            .acceptAnyValue()
+            .needsValue(false));
+    optionInputRelast2Uml = addOption(
+        new ValueOption("inputRelast2Uml", "relast2uml definition file.")
+            .needsValue(true));
+    optionDefaultFolders = addOption(
+        new BooleanOption("defaultFolders",
+            "Creates a default folder per grammar file.")
+        .defaultValue(false));
+    optionHelp = addOption(
+        new BooleanOption("help", "Print usage and exit.")
+        .defaultValue(false));
+    optionVersion = addOption(
+        new BooleanOption("help", "Print version and exit.")
+        .defaultValue(false));
+    optionVerbose = addOption(
+        new BooleanOption("verbose", "Print more messages while compiling.")
+        .defaultValue(false));
   }
 
   private Relast2Uml parseProgram() throws CompilerException {
     Program program = new Program();
     Relast2Uml relast2Uml;
 
-    for (String inputGrammarFileName : commandLine.getArguments()) {
+    for (String inputGrammarFileName : getConfiguration().getFiles()) {
       printMessage("Parsing " + inputGrammarFileName);
       GrammarFile inputGrammar;
       try (BufferedReader reader = Files.newBufferedReader(Paths.get(inputGrammarFileName))) {
         Relast2UmlScanner scanner = new Relast2UmlScanner(reader);
         Relast2UmlParser parser = new Relast2UmlParser();
         inputGrammar = (GrammarFile) parser.parse(scanner);
-        if (optionVerbose.isSet()) {
+        if (optionVerbose.value()) {
           inputGrammar.dumpTree(System.out);
         }
         program.addGrammarFile(inputGrammar);
@@ -199,8 +124,8 @@ public class Compiler {
       }
     }
 
-    if (optionInputRelast2Uml.isSet()) {
-      String inputRelast2UmlFileName = optionInputRelast2Uml.getValue();
+    if (optionInputRelast2Uml.isMatched()) {
+      String inputRelast2UmlFileName = optionInputRelast2Uml.value();
       try (BufferedReader reader = Files.newBufferedReader(Paths.get(inputRelast2UmlFileName))) {
         Relast2UmlScanner scanner = new Relast2UmlScanner(reader);
         Relast2UmlParser parser = new Relast2UmlParser();
@@ -216,7 +141,7 @@ public class Compiler {
     }
     relast2Uml.setProgram(program);
     relast2Uml.treeResolveAll();
-    if (optionDefaultFolders.isSet()) {
+    if (optionDefaultFolders.value()) {
       for (GrammarFile grammarFile : program.getGrammarFileList()) {
         relast2Uml.addFolder(grammarFile.defaultFolder());
       }
@@ -224,18 +149,49 @@ public class Compiler {
     return relast2Uml;
   }
 
-  protected void printUsage() {
-    System.out.println("Usage: java -jar relast2uml.jar [--option1] [--option2=value] ...  <filename1> <filename2> ... ");
-    System.out.println("Options:");
-    System.out.print(commandLine.printOptionHelp());
-  }
+  @Override
+  protected int compile() throws CompilerException {
+    if (optionVersion.value()) {
+      System.out.println(readVersion());
+      return 0;
+    }
+    if (optionHelp.value()) {
+      getConfiguration().printHelp(System.out);
+      return 0;
+    }
 
-  public static class CompilerException extends Exception {
-    CompilerException(String message) {
-      super(message);
+    printMessage("Running relast2uml " + readVersion());
+
+    String output;
+    if (optionOutputFile.isMatched()) {
+      output = optionOutputFile.value();
+    } else {
+      output = "uml.md";
+      System.out.println("No output output file is set. Assuming '" + output + "'.");
     }
-    CompilerException(String message, Throwable cause) {
-      super(message, cause);
+    Path parent = Paths.get(optionOutputFile.value()).toAbsolutePath().getParent();
+    try {
+      Files.createDirectories(parent);
+    } catch (IOException e) {
+      throw new CompilerException("Error creating output dir " + parent, e);
+    }
+
+    if (getConfiguration().getFiles().isEmpty()) {
+      throw new CompilerException("No input grammars specified!");
     }
+
+    Relast2Uml relast2uml = parseProgram();
+
+    if (!relast2uml.errors().isEmpty()) {
+      System.err.println("Errors:");
+      for (ErrorMessage e : relast2uml.errors()) {
+        System.err.println(e);
+      }
+      System.exit(1);
+    }
+
+    printMessage("Writing output file " + output);
+    writeToFile(output, relast2uml.generateAspect());
+    return 0;
   }
 }

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/options/CommandLine.java

-package org.jastadd.relast2uml.compiler.options;
-
-import java.util.*;
-
-public class CommandLine {
-  private final Collection<Option<?>> options;
-  private final Map<String, Option<?>> mapping;
-  private final List<String> arguments;
-
-  public CommandLine(Collection<Option<?>> options) {
-    this.options = options;
-    this.mapping = new HashMap<>();
-    for (Option<?> option : options) {
-      mapping.put(option.getName(), option);
-    }
-    this.arguments = new ArrayList<>();
-  }
-
-  public void parse(String[] args) throws CommandLineException {
-    int i = 0;
-    while (i < args.length) {
-      if (args[i].startsWith(Option.PREFIX)) {
-        int argumentIndex = args[i].indexOf("=");
-        String name;
-        String argument = null;
-        if (argumentIndex > 0) {
-          name = args[i].substring(2, argumentIndex);
-          argument = args[i].substring(argumentIndex + 1);
-        } else {
-          name = args[i].substring(2);
-        }
-        Option<?> option = mapping.get(name);
-        if (option == null) {
-          throw new CommandLineException("Option " + Option.PREFIX + name + " not found");
-        }
-        match(option, argument);
-      } else {
-        arguments.add(args[i]);
-      }
-      i++;
-    }
-  }
-
-  public void match(Option<?> option, String argument) throws CommandLineException {
-    try {
-      switch (option.hasArgument()) {
-        case NO:
-          if (argument == null) {
-            option.match(null);
-          } else {
-            throw new CommandLineException("Option " + option + " is not allowed to have an argument");
-          }
-          break;
-        case OPTIONAL:
-          option.match(argument);
-          break;
-        case YES:
-          if (argument != null) {
-            option.match(argument);
-          } else {
-            throw new CommandLineException("Option " + option + " requires an argument");
-          }
-          break;
-      }
-    } catch (Option.IllegalMatchException e) {
-      throw new CommandLineException("Invalid value for option " + option + ": " + e.getMessage());
-    }
-  }
-
-  public List<String> getArguments() {
-    return arguments;
-  }
-
-  public String printOptionHelp() {
-    StringBuilder sb = new StringBuilder();
-    int longestOption = 0;
-    for (Option<?> option : options) {
-      if (longestOption < option.getName().length()) {
-        longestOption = option.getName().length();
-      }
-    }
-    for (Option<?> option : new TreeSet<>(options)) {
-      String s = String.format("  %s%-" + (longestOption + 6) + "s %s%n",
-          Option.PREFIX, option.getName(), option.getDescription());
-      sb.append(s);
-    }
-    return sb.toString();
-  }
-
-  public static class CommandLineException extends Exception {
-    private static final long serialVersionUID = 1L;
-
-    public CommandLineException(String message) {
-      super(message);
-    }
-  }
-}

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/options/EnumOption.java

-package org.jastadd.relast2uml.compiler.options;
-
-import java.util.Collection;
-import java.util.TreeSet;
-
-public class EnumOption extends Option<String> {
-  private final TreeSet<String> allowedValues;
-  private final String defaultValue;
-  private String value;
-  private boolean isSet;
-
-  public EnumOption(String name, String description, Collection<String> allowedValues, String defaultValue) {
-    super(name, description);
-    this.allowedValues = new TreeSet<>(allowedValues);
-    this.defaultValue = defaultValue;
-    this.value = defaultValue;
-    this.isSet = false;
-  }
-
-  public boolean addAllowedValue(String allowedValue) {
-    return allowedValues.add(allowedValue);
-  }
-
-  @Override
-  public String getValue() {
-    return value;
-  }
-
-  @Override
-  public Option.HasArgument hasArgument() {
-    return Option.HasArgument.OPTIONAL;
-  }
-
-  @Override
-  public void match(String argument) throws IllegalMatchException {
-    if (argument == null) {
-      isSet = true;
-      value = defaultValue;
-    } else if (allowedValues.contains(argument)) {
-      isSet = true;
-      value = argument;
-    } else {
-      throw new IllegalMatchException(argument
-          + " is not allowed, allowed values are " + allowedValues);
-    }
-  }
-
-  @Override
-  public boolean isSet() {
-    return isSet;
-  }
-
-  @Override
-  public String getDescription() {
-    String allowedValuesStr = allowedValues.toString();
-    allowedValuesStr = allowedValuesStr.substring(1);
-    allowedValuesStr = allowedValuesStr.substring(0, allowedValuesStr.length() - 1);
-    return super.getDescription() + " (allowed values: " + allowedValuesStr + ")";
-  }
-}

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/options/FlagOption.java

-package org.jastadd.relast2uml.compiler.options;
-
-public class FlagOption extends Option<Boolean> {
-  private boolean value;
-
-  public FlagOption(String name, String description) {
-    super(name, description);
-    value = false;
-  }
-
-  @Override
-  public Boolean getValue() {
-    return value;
-  }
-
-  @Override
-  public Option.HasArgument hasArgument() {
-    return Option.HasArgument.NO;
-  }
-
-  @Override
-  public void match(String string) throws IllegalMatchException {
-    value = true;
-  }
-
-  @Override
-  public boolean isSet() {
-    return getValue();
-  }
-}

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/options/Option.java

-package org.jastadd.relast2uml.compiler.options;
-
-abstract public class Option<ValueType> implements Comparable<Option<?>> {
-  public final static String PREFIX = "--";
-  private final String name;
-  private final String description;
-
-  public Option(String name, String description) {
-    this.name = name;
-    this.description = description;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public String getDescription() {
-    return description;
-  }
-
-  @Override
-  public int compareTo(Option<?> o) {
-    return name.compareTo(o.name);
-  }
-
-  @Override
-  public boolean equals(Object other) {
-    if (other instanceof Option) {
-      return compareTo((Option<?>) other) == 0;
-    }
-    return false;
-  }
-
-  @Override
-  public String toString() {
-    return PREFIX + name;
-  }
-
-  abstract public boolean isSet();
-
-  abstract public ValueType getValue();
-
-  abstract public HasArgument hasArgument();
-
-  abstract public void match(String input) throws IllegalMatchException;
-
-  public enum HasArgument {
-    NO,
-    OPTIONAL,
-    YES
-  }
-
-  public static class IllegalMatchException extends Exception {
-    private static final long serialVersionUID = 1L;
-
-    public IllegalMatchException(String message) {
-      super(message);
-    }
-  }
-}

relast2uml.base/src/main/java/org/jastadd/relast2uml/compiler/options/StringOption.java

-package org.jastadd.relast2uml.compiler.options;
-
-public class StringOption extends Option<String> {
-  private HasArgument hasArgument;
-  private String value;
-  private boolean isSet;
-
-  public StringOption(String name, String description) {
-    this(name, description, "");
-  }
-
-  public StringOption(String name, String description, String defaultValue) {
-    super(name, description);
-    value = defaultValue;
-    isSet = false;
-    hasArgument = HasArgument.YES;
-  }
-
-  public StringOption makeOptional() {
-    hasArgument = HasArgument.OPTIONAL;
-    return this;
-  }
-
-  @Override
-  public String getValue() {
-    return value;
-  }
-
-  @Override
-  public Option.HasArgument hasArgument() {
-    return hasArgument;
-  }
-
-  @Override
-  public void match(String value) {
-    this.value = value;
-    isSet = true;
-  }
-
-  @Override
-  public boolean isSet() {
-    return isSet;
-  }
-}

relast2uml.base/src/test/java/org/jastadd/relast2uml/test/CompilerTest.java

 package org.jastadd.relast2uml.test;
 
+import org.jastadd.relast.compiler.CompilerException;
 import org.jastadd.relast2uml.compiler.Compiler;
-import org.jastadd.relast2uml.compiler.options.CommandLine;
 import org.junit.jupiter.api.Test;
 
 import java.io.File;
 import java.nio.file.Paths;
-import java.util.Objects;
 
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -18,7 +17,8 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
  */
 public class CompilerTest {
 
-  void transform(String inputGrammar, String inputRelast2Uml, String output) throws CommandLine.CommandLineException, Compiler.CompilerException {
+  @SuppressWarnings("SameParameterValue")
+  void transform(String inputGrammar, String inputRelast2Uml, String output) throws CompilerException {
 
     System.out.println("Running test in directory '" + Paths.get(".").toAbsolutePath() + "'.");
     assertTrue(Paths.get(inputGrammar).toFile().exists(), "input grammar does not exist");
@@ -43,7 +43,7 @@ public class CompilerTest {
   }
 
   @Test
-  void transformMinimalExample() throws CommandLine.CommandLineException, Compiler.CompilerException {
+  void transformMinimalExample() throws CompilerException {
     transform("src/test/resources/Example.relast", "src/test/resources/Example.relast2uml", "src/test/resources/uml.md");
   }
 }