gerrit.simantics Code Review - simantics/platform.git/blob

   1 package org.simantics.scl.compiler.compilation;
   2
   3 import java.util.ArrayList;
   4 import java.util.Arrays;
   5
   6 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
   7 import org.simantics.scl.compiler.constants.StringConstant;
   8 import org.simantics.scl.compiler.elaboration.errors.NotPatternException;
   9 import org.simantics.scl.compiler.elaboration.expressions.ELiteral;
  10 import org.simantics.scl.compiler.elaboration.expressions.EVar;
  11 import org.simantics.scl.compiler.elaboration.expressions.Expression;
  12 import org.simantics.scl.compiler.elaboration.java.JavaMethodDeclaration;
  13 import org.simantics.scl.compiler.errors.ErrorLog;
  14 import org.simantics.scl.compiler.errors.Locations;
  15 import org.simantics.scl.compiler.internal.parsing.Token;
  16 import org.simantics.scl.compiler.internal.parsing.declarations.DAnnotationAst;
  17 import org.simantics.scl.compiler.internal.parsing.declarations.DClassAst;
  18 import org.simantics.scl.compiler.internal.parsing.declarations.DDataAst;
  19 import org.simantics.scl.compiler.internal.parsing.declarations.DDerivingInstanceAst;
  20 import org.simantics.scl.compiler.internal.parsing.declarations.DDocumentationAst;
  21 import org.simantics.scl.compiler.internal.parsing.declarations.DEffectAst;
  22 import org.simantics.scl.compiler.internal.parsing.declarations.DFixityAst;
  23 import org.simantics.scl.compiler.internal.parsing.declarations.DImportJavaAst;
  24 import org.simantics.scl.compiler.internal.parsing.declarations.DInstanceAst;
  25 import org.simantics.scl.compiler.internal.parsing.declarations.DMappingRelationAst;
  26 import org.simantics.scl.compiler.internal.parsing.declarations.DRelationAst;
  27 import org.simantics.scl.compiler.internal.parsing.declarations.DRuleAst;
  28 import org.simantics.scl.compiler.internal.parsing.declarations.DTypeAst;
  29 import org.simantics.scl.compiler.internal.parsing.declarations.DValueAst;
  30 import org.simantics.scl.compiler.internal.parsing.declarations.DValueTypeAst;
  31 import org.simantics.scl.compiler.internal.parsing.declarations.DeclarationAst;
  32 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDClassAst;
  33 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDInstanceAst;
  34 import org.simantics.scl.compiler.internal.parsing.translation.RelationRepository;
  35 import org.simantics.scl.compiler.internal.parsing.translation.ValueRepository;
  36 import org.simantics.scl.compiler.module.ImportDeclaration;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 import gnu.trove.map.hash.THashMap;
  41
  42 public class DeclarationClassification {
  43     private static final Logger LOGGER = LoggerFactory.getLogger(DeclarationClassification.class);
  44
  45     ArrayList<ImportDeclaration> importsAst = new ArrayList<ImportDeclaration>();
  46     ArrayList<DDataAst> dataTypesAst = new ArrayList<DDataAst>();
  47     ArrayList<DTypeAst> typeAliasesAst = new ArrayList<DTypeAst>();
  48     ValueRepository valueDefinitionsAst = new ValueRepository();
  49     RelationRepository relationDefinitionsAst = new RelationRepository();
  50     ArrayList<DValueTypeAst> typeAnnotationsAst = new ArrayList<DValueTypeAst>();
  51     ArrayList<DFixityAst> fixityAst = new ArrayList<DFixityAst>();
  52     ArrayList<ProcessedDClassAst> typeClassesAst = new ArrayList<ProcessedDClassAst>();
  53     ArrayList<ProcessedDInstanceAst> instancesAst = new ArrayList<ProcessedDInstanceAst>();
  54     ArrayList<DDerivingInstanceAst> derivingInstancesAst = new ArrayList<DDerivingInstanceAst>();
  55     ArrayList<DEffectAst> effectsAst = new ArrayList<DEffectAst>();
  56     ArrayList<DRuleAst> rulesAst = new ArrayList<DRuleAst>();
  57     ArrayList<DMappingRelationAst> mappingRelationsAst = new ArrayList<DMappingRelationAst>();
  58
  59     THashMap<String, DDocumentationAst> valueDocumentation = new THashMap<String, DDocumentationAst>();
  60     THashMap<String, DDocumentationAst> relationDocumentation = new THashMap<String, DDocumentationAst>();
  61     THashMap<String, DDocumentationAst> typeDocumentation = new THashMap<String, DDocumentationAst>();
  62     THashMap<String, DDocumentationAst> classDocumentation = new THashMap<String, DDocumentationAst>();
  63
  64     ArrayList<JavaMethodDeclaration> javaMethodDeclarations = new ArrayList<JavaMethodDeclaration>();
  65
  66     StringBuilder moduleDocumentation = new StringBuilder();
  67
  68     ArrayList<DAnnotationAst> currentAnnotations = new ArrayList<DAnnotationAst>(2);
  69     DDocumentationAst documentation;
  70     String inJavaClass;
  71
  72     ArrayList<DAnnotationAst> defaultAnnotations = new ArrayList<DAnnotationAst>();
  73
  74     ErrorLog errorLog;
  75
  76     public DeclarationClassification(CompilationContext compilationContext) {
  77         this.errorLog = compilationContext.errorLog;
  78     }
  79
  80     public void handle(DeclarationAst declaration) {
  81         if(declaration instanceof DValueAst)
  82             handle((DValueAst)declaration);
  83         else if(declaration instanceof DValueTypeAst)
  84             handle((DValueTypeAst)declaration);
  85         else if(declaration instanceof DDataAst)
  86             handle((DDataAst)declaration);
  87         else if(declaration instanceof DTypeAst)
  88             handle((DTypeAst)declaration);
  89         else if(declaration instanceof DInstanceAst)
  90             handle((DInstanceAst)declaration);
  91         else if(declaration instanceof DDerivingInstanceAst)
  92             handle((DDerivingInstanceAst)declaration);
  93         else if(declaration instanceof ImportDeclaration)
  94             handle((ImportDeclaration)declaration);
  95         else if(declaration instanceof DClassAst)
  96             handle((DClassAst)declaration);
  97         else if(declaration instanceof DFixityAst)
  98             handle((DFixityAst)declaration);
  99         else if(declaration instanceof DDocumentationAst)
 100             handle((DDocumentationAst)declaration);
 101         else if(declaration instanceof DAnnotationAst)
 102             handle((DAnnotationAst)declaration);
 103         else if(declaration instanceof DEffectAst)
 104             handle((DEffectAst)declaration);
 105         else if(declaration instanceof DImportJavaAst)
 106             handle((DImportJavaAst)declaration);
 107         else if(declaration instanceof DRuleAst)
 108             handle((DRuleAst)declaration);
 109         else if(declaration instanceof DMappingRelationAst)
 110             handle((DMappingRelationAst)declaration);
 111         else if(declaration instanceof DRelationAst)
 112             handle((DRelationAst)declaration);
 113         else
 114             throw new InternalCompilerError("Unknown declaration " + declaration.getClass().getSimpleName());
 115     }
 116
 117     public void handle(DFixityAst declaration) {
 118         if(!currentAnnotations.isEmpty()) {
 119             errorLog.log(declaration.location, "Annotations not supported.");
 120             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 121         }
 122         fixityAst.add(declaration);
 123     }
 124
 125     public void handle(DEffectAst declaration) {
 126         if(!currentAnnotations.isEmpty()) {
 127             errorLog.log(declaration.location, "Annotations not supported.");
 128             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 129         }
 130         if(documentation != null)
 131             documentation = null;
 132         effectsAst.add(declaration);
 133     }
 134
 135     public void handle(DClassAst declaration) {
 136         // TODO errorLog.log(declaration, "Class " + declaration.name + " has already been defined in this module.");
 137
 138         if(documentation != null) {
 139             String name = declaration.name;
 140             addClassDocumentation(name, documentation);
 141             documentation = null;
 142         }
 143
 144         ArrayList<DValueTypeAst> typeDeclarations =
 145                 new ArrayList<DValueTypeAst>();
 146         ValueRepository defaultValues = new ValueRepository();
 147
 148         DDocumentationAst curDocumentation = null;
 149         for(DeclarationAst decl : declaration.declarations) {
 150             if(decl instanceof DValueTypeAst) {
 151                 DValueTypeAst valueType = (DValueTypeAst)decl;
 152                 for(EVar name : valueType.names)
 153                     valueDocumentation.put(name.name, curDocumentation);
 154                 curDocumentation = null;
 155                 typeDeclarations.add(valueType);
 156             }
 157             else if(decl instanceof DValueAst) {
 158                 curDocumentation = null;
 159                 try {
 160                     defaultValues.add((DValueAst)decl);
 161                 } catch (NotPatternException e) {
 162                     errorLog.log(e.getExpression().location, "Not a pattern.");
 163                 }
 164             }
 165             else if(decl instanceof DDocumentationAst) {
 166                 DDocumentationAst documentation = (DDocumentationAst)decl;
 167                 if(curDocumentation != null) {
 168                     errorLog.log(documentation.location, "Invalid documentation string. It precedes another documentation string.");
 169                 }
 170                 curDocumentation = documentation;
 171             }
 172             else
 173                 errorLog.log(decl.location, "Invalid declaration under class definition.");
 174         }
 175
 176         if(!currentAnnotations.isEmpty()) {
 177             declaration.setAnnotations(currentAnnotations);
 178             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 179         }
 180         typeClassesAst.add(new ProcessedDClassAst(declaration,
 181                 typeDeclarations,
 182                 defaultValues));
 183     }
 184
 185     public void handle(ImportDeclaration declaration) {
 186         if(!currentAnnotations.isEmpty()) {
 187             errorLog.log(declaration.location, "Annotations not supported.");
 188             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 189         }
 190         importsAst.add(declaration);
 191     }
 192
 193     public void handle(DImportJavaAst declaration) {
 194         if(!currentAnnotations.isEmpty()) {
 195             for(DAnnotationAst annotation : currentAnnotations) {
 196                 String name = annotation.id.text;
 197                 if(name.equals("@private")) {
 198                     defaultAnnotations.add(annotation);
 199                 }
 200                 else
 201                     errorLog.log(declaration.location, "The importJava declaration does not support annotation " + name + ".");
 202             }
 203             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 204         }
 205         try {
 206             inJavaClass = declaration.className;
 207             for(DeclarationAst innerDeclaration : declaration.declarations)
 208                 handle(innerDeclaration);
 209         } finally {
 210             defaultAnnotations.clear();
 211             inJavaClass = null;
 212         }
 213     }
 214
 215     public void handle(DInstanceAst declaration) {
 216         ValueRepository valueDefs = new ValueRepository();
 217
 218         ArrayList<DAnnotationAst> localAnnotations = new ArrayList<DAnnotationAst>(2);
 219         for(DeclarationAst decl : declaration.declarations) {
 220             if(decl instanceof DValueAst) {
 221                 try {
 222                     String name = valueDefs.add((DValueAst)decl);
 223                     if(!localAnnotations.isEmpty()) {
 224                         valueDefs.addAnnotations(name, localAnnotations);
 225                         localAnnotations = new ArrayList<DAnnotationAst>(2);
 226                     }
 227                 } catch (NotPatternException e) {
 228                     errorLog.log(e.getExpression().location, "Not a pattern.");
 229                 }
 230             }
 231             else if(decl instanceof DAnnotationAst)
 232                 localAnnotations.add((DAnnotationAst)decl);
 233             else
 234                 errorLog.log(decl.location, "Invalid declaration under instance definition.");
 235         }
 236         for(DAnnotationAst decl : localAnnotations)
 237             errorLog.log(decl.location, "Annotation is at invalid location.");
 238
 239         if(!currentAnnotations.isEmpty()) {
 240             errorLog.log(declaration.location, "Annotations not supported.");
 241             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 242         }
 243         if(declaration.name.name.equals("Eq") || declaration.name.name.equals("Hashable")) {
 244             LOGGER.warn("Skipped instance definition for " + declaration.name + " for " + declaration.types[0]);
 245             return;
 246         }
 247         instancesAst.add(new ProcessedDInstanceAst(
 248                 declaration,
 249                 valueDefs));
 250     }
 251
 252     public void handle(DDerivingInstanceAst declaration) {
 253         if(!currentAnnotations.isEmpty()) {
 254             errorLog.log(declaration.location, "Annotations not supported.");
 255             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 256         }
 257         if(declaration.name.name.equals("Eq") || declaration.name.name.equals("Hashable")) {
 258             LOGGER.warn("Skipped instance definition for " + declaration.name + " for " + declaration.types[0]);
 259             return;
 260         }
 261         derivingInstancesAst.add(declaration);
 262     }
 263
 264     public void handle(DTypeAst declaration) {
 265         if(!currentAnnotations.isEmpty()) {
 266             errorLog.log(declaration.location, "Annotations not supported.");
 267             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 268         }
 269         typeAliasesAst.add(declaration);
 270     }
 271
 272     public void handle(DDataAst declaration) {
 273         if(documentation != null) {
 274             String name = declaration.name;
 275             addTypeDocumentation(name, documentation);
 276             documentation = null;
 277         }
 278         if(inJavaClass != null)
 279             currentAnnotations.add(new DAnnotationAst(new Token(0, Locations.NO_LOCATION, "@JavaType"),
 280                     Arrays.<Expression>asList(new ELiteral(new StringConstant(inJavaClass)))));
 281         if(!currentAnnotations.isEmpty()) {
 282             declaration.setAnnotations(currentAnnotations);
 283             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 284         }
 285         dataTypesAst.add(declaration);
 286     }
 287
 288     public void handle(DValueTypeAst declaration) {
 289         if(documentation != null) {
 290             for(EVar name : declaration.names) {
 291                 addValueDocumentation(name.name, documentation);
 292             }
 293             documentation = null;
 294         }
 295         if(inJavaClass != null) {
 296             for(EVar name : declaration.names)
 297                 javaMethodDeclarations.add(new JavaMethodDeclaration(
 298                         declaration.location, inJavaClass, name, declaration.type));
 299         }
 300         else
 301             typeAnnotationsAst.add(declaration);
 302         if(!currentAnnotations.isEmpty()) {
 303             for(EVar name : declaration.names)
 304                 valueDefinitionsAst.addAnnotations(name.name, currentAnnotations);
 305             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 306         }
 307         if(!defaultAnnotations.isEmpty()) {
 308             for(EVar name : declaration.names)
 309                 valueDefinitionsAst.addAnnotations(name.name, defaultAnnotations);
 310         }
 311     }
 312
 313     public void handle(DValueAst declaration) {
 314         String name;
 315         try {
 316             name = valueDefinitionsAst.add(declaration);
 317         } catch (NotPatternException e) {
 318             errorLog.log(e.getExpression().location, "Illegal left hand side of the definition.");
 319             return;
 320         }
 321         if(documentation != null) {
 322             addValueDocumentation(name, documentation);
 323             documentation = null;
 324         }
 325         if(!currentAnnotations.isEmpty()) {
 326             valueDefinitionsAst.addAnnotations(name, currentAnnotations);
 327             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 328         }
 329     }
 330
 331     public void handle(DRelationAst declaration) {
 332         String name;
 333         try {
 334             name = relationDefinitionsAst.add(declaration);
 335         } catch (NotPatternException e) {
 336             errorLog.log(e.getExpression().location, "Not a pattern.");
 337             return;
 338         }
 339         if(documentation != null) {
 340             addRelationDocumentation(name, documentation);
 341             documentation = null;
 342         }
 343         if(!currentAnnotations.isEmpty()) {
 344             relationDefinitionsAst.addAnnotations(name, currentAnnotations);
 345             currentAnnotations = new ArrayList<DAnnotationAst>(2);
 346         }
 347     }
 348
 349     public void handle(DDocumentationAst declaration) {
 350         if(documentation != null) {
 351             errorLog.log(documentation.location, "Invalid documentation string. It precedes another documentation string.");
 352         }
 353         documentation = declaration;
 354     }
 355
 356     public void handle(DAnnotationAst declaration) {
 357         if(declaration.id.text.equals("@documentation")) {
 358             if(declaration.parameters.length != 1) {
 359                 errorLog.log(documentation.location, "One parameter, a documentation string, expected after @documentation.");
 360                 return;
 361             }
 362             if(!(declaration.parameters[0] instanceof ELiteral)) {
 363                 errorLog.log(documentation.location, "A documentation string expected after @documentation.");
 364                 return;
 365             }
 366             ELiteral lit = (ELiteral)declaration.parameters[0];
 367             if(!(lit.getValue() instanceof StringConstant)) {
 368                 errorLog.log(documentation.location, "A documentation string expected after @documentation.");
 369                 return;
 370             }
 371             String text = ((StringConstant)lit.getValue()).getValue();
 372             moduleDocumentation.append(text);
 373             moduleDocumentation.append("\n\n");
 374         }
 375         else
 376             currentAnnotations.add(declaration);
 377     }
 378
 379     public void handle(DRuleAst declaration) {
 380         rulesAst.add(declaration);
 381     }
 382
 383     public void handle(DMappingRelationAst declaration) {
 384         mappingRelationsAst.add(declaration);
 385     }
 386
 387     public void addValueDocumentation(String valueName, DDocumentationAst documentation) {
 388         DDocumentationAst oldDoc = valueDocumentation.put(valueName, documentation);
 389         if(oldDoc != null) {
 390             errorLog.log(oldDoc.location, "Multiple documentation strings given to " + valueName + ".");
 391         }
 392     }
 393
 394     public void addRelationDocumentation(String relationName, DDocumentationAst documentation) {
 395         DDocumentationAst oldDoc = relationDocumentation.put(relationName, documentation);
 396         if(oldDoc != null) {
 397             errorLog.log(oldDoc.location, "Multiple documentation strings given to " + relationName + ".");
 398         }
 399     }
 400
 401     public void addTypeDocumentation(String valueName, DDocumentationAst documentation) {
 402         DDocumentationAst oldDoc = typeDocumentation.put(valueName, documentation);
 403         if(oldDoc != null) {
 404             errorLog.log(oldDoc.location, "Multiple documentation strings given to the same type.");
 405         }
 406     }
 407
 408     public void addClassDocumentation(String valueName, DDocumentationAst documentation) {
 409         DDocumentationAst oldDoc = classDocumentation.put(valueName, documentation);
 410         if(oldDoc != null) {
 411             errorLog.log(oldDoc.location, "Multiple documentation strings given to the same class.");
 412         }
 413     }
 414 }