1 package org.simantics.scl.compiler.compilation;
3 import java.util.ArrayList;
4 import java.util.Iterator;
7 import org.cojen.classfile.TypeDesc;
8 import org.simantics.scl.compiler.common.datatypes.Constructor;
9 import org.simantics.scl.compiler.common.exceptions.InternalCompilerError;
10 import org.simantics.scl.compiler.common.names.Name;
11 import org.simantics.scl.compiler.constants.Constant;
12 import org.simantics.scl.compiler.constants.JavaTypeInstanceConstructor;
13 import org.simantics.scl.compiler.constants.SCLConstructor;
14 import org.simantics.scl.compiler.constants.StringConstant;
15 import org.simantics.scl.compiler.constants.generic.CallJava;
16 import org.simantics.scl.compiler.constants.generic.ClassRef;
17 import org.simantics.scl.compiler.constants.generic.ConvertToListFilter;
18 import org.simantics.scl.compiler.constants.generic.MethodRef;
19 import org.simantics.scl.compiler.constants.generic.MethodRef.FieldRef;
20 import org.simantics.scl.compiler.constants.generic.OutputFilter;
21 import org.simantics.scl.compiler.constants.generic.ParameterStackItem;
22 import org.simantics.scl.compiler.constants.generic.Pop2OutputFilter;
23 import org.simantics.scl.compiler.constants.generic.PopOutputFilter;
24 import org.simantics.scl.compiler.constants.generic.StackItem;
25 import org.simantics.scl.compiler.constants.generic.ThreadLocalStackItem;
26 import org.simantics.scl.compiler.constants.singletons.SafeCoerce;
27 import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
28 import org.simantics.scl.compiler.elaboration.contexts.TypeTranslationContext;
29 import org.simantics.scl.compiler.elaboration.errors.NotPatternException;
30 import org.simantics.scl.compiler.elaboration.expressions.EApply;
31 import org.simantics.scl.compiler.elaboration.expressions.EGetConstraint;
32 import org.simantics.scl.compiler.elaboration.expressions.EIntegerLiteral;
33 import org.simantics.scl.compiler.elaboration.expressions.EListLiteral;
34 import org.simantics.scl.compiler.elaboration.expressions.ELiteral;
35 import org.simantics.scl.compiler.elaboration.expressions.EPreCHRRulesetConstructor;
36 import org.simantics.scl.compiler.elaboration.expressions.EVar;
37 import org.simantics.scl.compiler.elaboration.expressions.Expression;
38 import org.simantics.scl.compiler.elaboration.expressions.Variable;
39 import org.simantics.scl.compiler.elaboration.expressions.annotations.AnnotationUtils;
40 import org.simantics.scl.compiler.elaboration.fundeps.Fundep;
41 import org.simantics.scl.compiler.elaboration.java.JavaMethodDeclaration;
42 import org.simantics.scl.compiler.elaboration.macros.StandardMacroRule;
43 import org.simantics.scl.compiler.elaboration.modules.DeprecatedProperty;
44 import org.simantics.scl.compiler.elaboration.modules.DerivedProperty;
45 import org.simantics.scl.compiler.elaboration.modules.InlineProperty;
46 import org.simantics.scl.compiler.elaboration.modules.MethodImplementation;
47 import org.simantics.scl.compiler.elaboration.modules.PrivateProperty;
48 import org.simantics.scl.compiler.elaboration.modules.SCLValue;
49 import org.simantics.scl.compiler.elaboration.modules.TypeAlias;
50 import org.simantics.scl.compiler.elaboration.modules.TypeClass;
51 import org.simantics.scl.compiler.elaboration.modules.TypeClassInstance;
52 import org.simantics.scl.compiler.elaboration.modules.TypeClassMethod;
53 import org.simantics.scl.compiler.elaboration.modules.TypeDescriptor;
54 import org.simantics.scl.compiler.elaboration.query.Query;
55 import org.simantics.scl.compiler.elaboration.query.pre.QPreGuard;
56 import org.simantics.scl.compiler.elaboration.relations.ConcreteRelation;
57 import org.simantics.scl.compiler.elaboration.rules.MappingRelation;
58 import org.simantics.scl.compiler.elaboration.rules.SectionName;
59 import org.simantics.scl.compiler.elaboration.rules.TransformationRule;
60 import org.simantics.scl.compiler.environment.AmbiguousNameException;
61 import org.simantics.scl.compiler.environment.Environment;
62 import org.simantics.scl.compiler.environment.EnvironmentFactory;
63 import org.simantics.scl.compiler.environment.Environments;
64 import org.simantics.scl.compiler.errors.CompilationError;
65 import org.simantics.scl.compiler.errors.ErrorLog;
66 import org.simantics.scl.compiler.errors.ErrorSeverity;
67 import org.simantics.scl.compiler.errors.Locations;
68 import org.simantics.scl.compiler.internal.codegen.effects.EffectConstructor;
69 import org.simantics.scl.compiler.internal.codegen.effects.ThreadLocalVariable;
70 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidator;
71 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidatorFactory;
72 import org.simantics.scl.compiler.internal.codegen.types.JavaTypeTranslator;
73 import org.simantics.scl.compiler.internal.codegen.types.StandardTypeConstructor;
74 import org.simantics.scl.compiler.internal.codegen.utils.Constants;
75 import org.simantics.scl.compiler.internal.codegen.utils.JavaNamingPolicy;
76 import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilderBase;
77 import org.simantics.scl.compiler.internal.deriving.InstanceDeriver;
78 import org.simantics.scl.compiler.internal.deriving.InstanceDerivers;
79 import org.simantics.scl.compiler.internal.elaboration.profiling.BranchPointInjector;
80 import org.simantics.scl.compiler.internal.elaboration.utils.StronglyConnectedComponents;
81 import org.simantics.scl.compiler.internal.header.ModuleHeader;
82 import org.simantics.scl.compiler.internal.parsing.declarations.ConstructorAst;
83 import org.simantics.scl.compiler.internal.parsing.declarations.DAnnotationAst;
84 import org.simantics.scl.compiler.internal.parsing.declarations.DClassAst;
85 import org.simantics.scl.compiler.internal.parsing.declarations.DDataAst;
86 import org.simantics.scl.compiler.internal.parsing.declarations.DDerivingInstanceAst;
87 import org.simantics.scl.compiler.internal.parsing.declarations.DEffectAst;
88 import org.simantics.scl.compiler.internal.parsing.declarations.DFixityAst;
89 import org.simantics.scl.compiler.internal.parsing.declarations.DInstanceAst;
90 import org.simantics.scl.compiler.internal.parsing.declarations.DMappingRelationAst;
91 import org.simantics.scl.compiler.internal.parsing.declarations.DRelationAst;
92 import org.simantics.scl.compiler.internal.parsing.declarations.DRuleAst;
93 import org.simantics.scl.compiler.internal.parsing.declarations.DRulesetAst;
94 import org.simantics.scl.compiler.internal.parsing.declarations.DTypeAst;
95 import org.simantics.scl.compiler.internal.parsing.declarations.DValueAst;
96 import org.simantics.scl.compiler.internal.parsing.declarations.DValueTypeAst;
97 import org.simantics.scl.compiler.internal.parsing.exceptions.SCLSyntaxErrorException;
98 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDClassAst;
99 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDInstanceAst;
100 import org.simantics.scl.compiler.internal.parsing.translation.RelationRepository;
101 import org.simantics.scl.compiler.internal.parsing.translation.ValueRepository;
102 import org.simantics.scl.compiler.internal.parsing.types.TypeAst;
103 import org.simantics.scl.compiler.module.ConcreteModule;
104 import org.simantics.scl.compiler.module.ImportDeclaration;
105 import org.simantics.scl.compiler.module.InvalidModulePathException;
106 import org.simantics.scl.compiler.module.ModuleUtils;
107 import org.simantics.scl.compiler.module.repository.ImportFailure;
108 import org.simantics.scl.compiler.module.repository.ImportFailureException;
109 import org.simantics.scl.compiler.types.TCon;
110 import org.simantics.scl.compiler.types.TForAll;
111 import org.simantics.scl.compiler.types.TFun;
112 import org.simantics.scl.compiler.types.TPred;
113 import org.simantics.scl.compiler.types.TVar;
114 import org.simantics.scl.compiler.types.Type;
115 import org.simantics.scl.compiler.types.Types;
116 import org.simantics.scl.compiler.types.kinds.Kind;
117 import org.simantics.scl.compiler.types.kinds.Kinds;
118 import org.simantics.scl.compiler.types.util.MultiFunction;
119 import org.simantics.scl.runtime.profiling.BranchPoint;
121 import gnu.trove.list.array.TIntArrayList;
122 import gnu.trove.map.hash.THashMap;
123 import gnu.trove.map.hash.TObjectIntHashMap;
124 import gnu.trove.procedure.TObjectObjectProcedure;
125 import gnu.trove.set.hash.THashSet;
126 import gnu.trove.set.hash.TIntHashSet;
128 public class Elaboration {
130 private final CompilationContext compilationContext;
131 private final ErrorLog errorLog;
132 private final String moduleName;
133 private final ModuleHeader moduleHeader;
134 private final ArrayList<ImportDeclaration> importsAst;
135 private final JavaReferenceValidatorFactory jrvFactory;
136 final JavaReferenceValidator<Object, Object, Object, Object> javaReferenceValidator;
137 private final ValueRepository valueDefinitionsAst;
138 private final RelationRepository relationDefinitionsAst;
141 ConcreteModule module;
142 Environment importedEnvironment;
143 ArrayList<SupplementedValueType> supplementedTypeAnnotations = new ArrayList<SupplementedValueType>();
145 JavaTypeTranslator javaTypeTranslator;
146 ArrayList<StandardTypeConstructor> dataTypes = new ArrayList<StandardTypeConstructor>();
147 THashMap<String, ClassRef> classRefs = new THashMap<String, ClassRef>();
148 THashMap<String, BranchPoint[]> branchPoints;
150 public Elaboration(CompilationContext compilationContext, CompilationTimer timer, EnvironmentFactory localEnvironmentFactory,
151 String moduleName, ModuleHeader moduleHeader, ArrayList<ImportDeclaration> importsAst,
152 JavaReferenceValidatorFactory jrvFactory,
153 ValueRepository valueDefinitionsAst,
154 RelationRepository relationDefinitionsAst) {
155 this.compilationContext = compilationContext;
156 this.errorLog = compilationContext.errorLog;
157 this.moduleName = moduleName;
158 this.moduleHeader = moduleHeader;
159 importsAst = processRelativeImports(importsAst);
160 this.importsAst = importsAst;
161 this.jrvFactory = jrvFactory;
162 this.javaReferenceValidator = moduleHeader == null || moduleHeader.classLoader == null
163 ? jrvFactory.getDefaultJavaReferenceValidator()
164 : jrvFactory.getJavaReferenceValidator(moduleHeader.classLoader);
165 if(javaReferenceValidator == null)
166 errorLog.log(moduleHeader.classLoaderLocation, "Didn't find the specified class loader.");
167 this.valueDefinitionsAst = valueDefinitionsAst;
168 this.relationDefinitionsAst = relationDefinitionsAst;
170 module = new ConcreteModule(moduleName);
171 compilationContext.module = module;
172 compilationContext.moduleRepository = localEnvironmentFactory.getModuleRepository();
173 if(moduleHeader != null) {
174 if(moduleHeader.defaultLocalName != null)
175 module.setDefaultLocalName(moduleHeader.defaultLocalName);
176 if(moduleHeader.deprecated != null)
177 module.setDeprecation(moduleHeader.deprecated);
181 timer.suspendTimer();
182 importedEnvironment = localEnvironmentFactory.createEnvironment(
184 importsAst.toArray(new ImportDeclaration[importsAst.size()]));
186 timer.continueTimer();
187 compilationContext.environment = new EnvironmentOfModule(importedEnvironment, module);
188 } catch (ImportFailureException e) {
189 for(ImportFailure failure : e.failures)
190 errorLog.log(new CompilationError(failure.location, failure.toString(), ErrorSeverity.IMPORT_ERROR));
193 for(ImportDeclaration importAst : importsAst)
194 this.module.addDependency(new ImportDeclaration(
195 importAst.moduleName,
196 importAst.reexport ? importAst.localName : null,
199 localEnvironmentFactory.addBuiltinDependencies(module);
200 compilationContext.namingPolicy = new JavaNamingPolicy(moduleName);
203 private ArrayList<ImportDeclaration> processRelativeImports(ArrayList<ImportDeclaration> relativeImports) {
204 ArrayList<ImportDeclaration> absoluteImports = new ArrayList<ImportDeclaration>(relativeImports.size());
205 for(ImportDeclaration relativeImport : relativeImports) {
206 if(relativeImport.moduleName.startsWith(".")) {
208 String absoluteModuleName = ModuleUtils.resolveAbsolutePath(moduleName, relativeImport.moduleName);
209 ImportDeclaration absoluteImport = new ImportDeclaration(
210 relativeImport.location,
211 absoluteModuleName, relativeImport.localName,
212 relativeImport.reexport, relativeImport.spec);
213 absoluteImports.add(absoluteImport);
214 } catch (InvalidModulePathException e) {
215 errorLog.log(relativeImport.location, e.getMessage());
219 absoluteImports.add(relativeImport);
221 return absoluteImports;
224 public void addTypesToEnvironment(
225 ArrayList<DDataAst> dataTypesAst,
226 ArrayList<DTypeAst> typeAliasesAst,
227 ArrayList<DEffectAst> effectsAst,
228 ArrayList<DRulesetAst> rulesetsAst) {
229 for(DDataAst dataType : dataTypesAst) {
230 dataType.parameterKinds = new Kind[dataType.parameters.length];
231 Kind constructorKind = Kinds.STAR;
232 for(int i=dataType.parameters.length-1;i>=0;--i) {
233 Kind kind = Kinds.metaVar();
234 dataType.parameterKinds[i] = kind;
235 constructorKind = Kinds.arrow(kind, constructorKind);
238 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(
239 Types.con(moduleName, dataType.name), constructorKind);
241 NameExistenceChecks.checkIfTypeExists(errorLog,
242 dataType.location, importedEnvironment, dataType.name);
243 addTypeDescriptor(dataType.location, dataType.name, typeConstructor);
244 dataType.typeConstructor = typeConstructor;
247 for(DTypeAst typeAlias : typeAliasesAst) {
248 TypeAlias alias = new TypeAlias(Types.con(moduleName, typeAlias.name), typeAlias.parameters.length);
249 NameExistenceChecks.checkIfTypeExists(errorLog,
250 typeAlias.location, importedEnvironment, typeAlias.name);
251 addTypeDescriptor(typeAlias.location, typeAlias.name, alias);
254 for(DEffectAst effect : effectsAst) {
255 EffectConstructor effectConstructor = new EffectConstructor(Types.con(moduleName, effect.name));
256 effectConstructor.addThreadLocalVariable(
257 new ThreadLocalVariable(
259 TypeDesc.forClass(effect.threadLocalType)
261 if(module.addEffectConstructor(effect.name, effectConstructor))
262 errorLog.log(effect.location, "Effect "+effect.name+" has already been defined in this module.");
264 for(DRulesetAst ruleset : rulesetsAst) {
265 ruleset.type = Types.con(moduleName, ruleset.name);
266 ruleset.className = compilationContext.namingPolicy.getDataTypeClassName(ruleset.name);
267 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(ruleset.type, Kinds.STAR,
268 TypeDesc.forClass(ruleset.className), ruleset.documentation == null ? null : ruleset.documentation.documentation);
269 typeConstructor.external = true;
270 addTypeDescriptor(ruleset.location, ruleset.name, typeConstructor);
272 javaTypeTranslator = new JavaTypeTranslator(compilationContext.environment);
273 compilationContext.javaTypeTranslator = javaTypeTranslator;
276 private void addTypeDescriptor(long location, String name, TypeDescriptor typeDescriptor) {
277 if(module.addTypeDescriptor(name, typeDescriptor))
278 errorLog.log(location, "Type "+name+" has already been defined in this module.");
281 private static final int[] EMPTY_INT_ARRAY = new int[0];
283 public void processTypeAliases(ArrayList<DTypeAst> typeAliasesAst) {
284 TObjectIntHashMap<String> typeAliasMap = new TObjectIntHashMap<String>();
285 for(int i=0;i<typeAliasesAst.size();++i)
286 typeAliasMap.put(typeAliasesAst.get(i).name, i);
287 TIntHashSet tempIntSet = new TIntHashSet();
288 ArrayList<DTypeAst> orderedTypeAliases = new ArrayList<DTypeAst>(typeAliasesAst.size());
289 //for(int i=0;i<typeAliasesAst.size();++i)
290 // System.out.println(i + "# " + typeAliasesAst.get(i).name);
291 new StronglyConnectedComponents(typeAliasesAst.size()) {
293 protected int[] findDependencies(int u) {
294 typeAliasesAst.get(u).type.collectReferences(typeAliasMap, tempIntSet);
295 if(tempIntSet.isEmpty())
296 return EMPTY_INT_ARRAY;
297 if(tempIntSet.contains(u)) {
298 errorLog.log(typeAliasesAst.get(u).location, "Type alias has a self reference.");
299 tempIntSet.remove(u);
301 int[] result = tempIntSet.toArray();
303 //System.out.println(u + " -> " + Arrays.toString(result));
307 protected void reportComponent(int[] component) {
308 //System.out.println("component: " + Arrays.toString(component));
309 if(component.length > 1) {
310 StringBuilder b = new StringBuilder();
311 b.append("Recursively defined type alias (");
312 long minLocation = typeAliasesAst.get(component[0]).location;
313 boolean first = true;
314 for(int u : component) {
315 DTypeAst typeAlias = typeAliasesAst.get(u);
320 b.append(typeAlias.name);
321 if(Locations.beginOf(typeAlias.location) < Locations.beginOf(minLocation))
322 minLocation = typeAlias.location;
325 errorLog.log(minLocation, b.toString());
328 orderedTypeAliases.add(typeAliasesAst.get(component[0]));
332 if(errorLog.hasNoErrors()) {
333 for(DTypeAst typeAlias : orderedTypeAliases) {
334 TypeAlias alias = (TypeAlias)module.getTypeDescriptor(typeAlias.name);
335 TypeTranslationContext context = createTypeTranslationContext();
336 for(int i=0;i<typeAlias.parameters.length;++i)
337 context.pushTypeVar(typeAlias.parameters[i]);
338 alias.body = typeAlias.type.toType(context, Kinds.metaVar());
339 for(int i=0;i<typeAlias.parameters.length;++i)
340 alias.parameters[i] = context.popTypeVar(typeAlias.parameters[i], null);
345 public void processDataTypes(ArrayList<DDataAst> dataTypesAst) {
346 ArrayList<Runnable> fieldAccessorGenerators = new ArrayList<Runnable>();
347 for(DDataAst dataTypeAst : dataTypesAst) {
348 TypeTranslationContext context = createTypeTranslationContext();
349 TVar[] typeParameters = new TVar[dataTypeAst.parameters.length];
350 for(int i=0;i<dataTypeAst.parameters.length;++i)
351 typeParameters[i] = context.addTypeVar(dataTypeAst.parameters[i]);
352 Constructor[] constructors = new Constructor[dataTypeAst.constructors.length];
353 String className = null;
354 boolean external = false;
355 for(DAnnotationAst annotation : dataTypeAst.getAnnotations()) {
356 if(annotation.id.text.equals("@JavaType")) {
357 if(annotation.parameters.length != 1 ||
358 !(annotation.parameters[0] instanceof ELiteral) ||
359 !(((ELiteral)annotation.parameters[0]).getValue() instanceof StringConstant))
360 errorLog.log(annotation.location, "Invalid parameters. Expected @JavaType \"className\".");
362 className = ((StringConstant)((ELiteral)annotation.parameters[0]).getValue()).getValue().replace('.', '/');
369 boolean trivialDataType = dataTypeAst.constructors.length == 1 &&
370 dataTypeAst.constructors[0].parameters.length == 1;
371 if(className == null && !trivialDataType)
372 className = compilationContext.namingPolicy.getDataTypeClassName(dataTypeAst.name);
374 StandardTypeConstructor dataType = dataTypeAst.typeConstructor;
376 dataType.setType(Types.con(moduleName, dataTypeAst.name), typeParameters);
377 dataType.setConstructors(constructors);
379 dataType.setTypeDesc(TypeDesc.forClass(className));
380 if(!external || dataTypeAst.constructors.length > 0) {
381 dataType.isOpen = false;
383 dataType.external = external;
384 dataTypes.add(dataType);
385 for(int j=0;j<constructors.length;++j) {
386 ConstructorAst constructor = dataTypeAst.constructors[j];
387 String name = constructor.name.text;
388 Type[] parameterTypes = new Type[constructor.parameters.length];
389 for(int i=constructor.parameters.length-1;i>=0;--i)
390 parameterTypes[i] = context.toType(constructor.parameters[i]);
391 String javaName = constructors.length == 1 ? className
392 : compilationContext.namingPolicy.getConstructorClassName(name);
393 String[] fieldNames = null;
394 for(DAnnotationAst annotation : constructor.annotations)
395 if(annotation.id.text.equals("@JavaType")) {
397 javaName = ((StringConstant)((ELiteral)annotation.parameters[0])
398 .getValue()).getValue();
399 } catch(Exception e) {
400 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
403 else if(annotation.id.text.equals("@FieldNames")) {
405 EListLiteral literal = (EListLiteral)annotation.parameters[0];
406 fieldNames = new String[literal.getComponents().length];
407 for(int i=0;i<fieldNames.length;++i) {
408 Expression component = literal.getComponents()[i];
409 if(component instanceof EVar)
410 fieldNames[i] = ((EVar)component).name;
411 else if(component instanceof ELiteral)
412 fieldNames[i] = ((StringConstant)((ELiteral)component).getValue()).getValue();
414 } catch(Exception e) {
415 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
420 constructors[j] = new Constructor(constructor.location, dataType,
421 Name.create(moduleName, name),
422 parameterTypes, javaName);
423 constructors[j].fieldNames = fieldNames;
424 constructors[j].recordFieldNames = constructor.fieldNames;
426 if(constructors.length == 1) {
427 Constructor constructor = constructors[0];
428 if(constructor.recordFieldNames != null) {
429 fieldAccessorGenerators.add(new Runnable() {
432 Type in = Types.apply(dataType.name, dataType.parameters);
433 for(int i=0;i<constructor.recordFieldNames.length;++i) {
434 Type out = constructor.parameterTypes[i];
437 accessor = new SafeCoerce(dataType.parameters, in, out);
439 accessor = new CallJava(dataType.parameters, Types.NO_EFFECTS, out,
440 new Type[] {in}, new StackItem[] {new ParameterStackItem(0, in)},
441 new FieldRef(constructor.javaName, constructor.fieldNames != null ? constructor.fieldNames[i] : "c" + i,
442 javaTypeTranslator.toTypeDesc(out)),
444 module.addFieldAccessor(constructor.recordFieldNames[i], accessor);
452 for(Runnable fieldAccessorGenerator : fieldAccessorGenerators)
453 fieldAccessorGenerator.run();
456 public void processTypeClasses(ArrayList<ProcessedDClassAst> typeClassesAst) {
457 for(ProcessedDClassAst pClassAst : typeClassesAst) {
458 DClassAst classAst = pClassAst.orig;
460 if(module.getTypeClass(classAst.name) != null) {
461 errorLog.log(classAst.location, "Class "+classAst.name+" has already been defined in this module.");
465 TypeTranslationContext context = createTypeTranslationContext();
467 TPred[] classContext = new TPred[classAst.context.length];
468 for(int i=0;i<classContext.length;++i)
469 classContext[i] = context.toTFuncApply(classAst.context[i]);
471 TVar[] parameters = new TVar[classAst.parameters.length];
473 if(classAst.name.equals("Functor") || classAst.name.equals("Monad")) {
475 parameters[0] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[0], Kinds.STAR_TO_STAR);
478 for(int i=0;i<parameters.length;++i)
479 parameters[i] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[i], Kinds.metaVar());
482 TCon con = Types.con(moduleName, classAst.name);
483 TypeClass typeClass = new TypeClass(classAst.location,
486 compilationContext.namingPolicy.getTypeClassInterfaceName(con),
488 Fundep.mapFundeps(classAst.parameters, classAst.fundeps));
490 THashMap<String, TypeClassMethod> methods = typeClass.methods;
491 for(DValueTypeAst methodDecl : pClassAst.typeDeclarations) {
495 type = context.toType(methodDecl.type);
496 } catch(SCLSyntaxErrorException e) {
497 errorLog.log(e.location, e.getMessage());
500 for(EVar name : methodDecl.names) {
501 typeClass.methodNames.add(name.name);
502 methods.put(name.name,
503 new TypeClassMethod(typeClass, name.name,
504 compilationContext.namingPolicy.getMethodName(name.name),
505 type, Types.getArity(type),
509 } catch(RuntimeException e) {
510 errorLog.setExceptionPosition(methodDecl.location);
515 for(String methodName : pClassAst.defaultImplementations.getValueNames()) {
516 String fullName = "_" + classAst.name + "_default_" + methodName;
517 ArrayList<DValueAst> defs = pClassAst.defaultImplementations.getDefinition(methodName);
519 TypeClassMethod method = typeClass.methods.get(methodName);
521 errorLog.log(defs.get(0).location, "Method " + methodName + " is not defined in this class.");
524 method.setDefaultImplementation(Name.create(moduleName, fullName));
526 valueDefinitionsAst.addDefinitions(fullName, defs);
527 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
528 Collections.<Expression>emptyList()));*/
529 supplementedTypeAnnotations.add(new SupplementedValueType(defs.get(0).location, fullName, method.getType()));
532 module.addTypeClass(classAst.name, typeClass);
536 private TypeTranslationContext createTypeTranslationContext() {
537 return new TypeTranslationContext(compilationContext);
540 public void processDerivingInstances(ArrayList<DDerivingInstanceAst> derivingInstancesAst,
541 ArrayList<ProcessedDInstanceAst> instancesAst) {
542 for(DDerivingInstanceAst derivingInstance : derivingInstancesAst) {
543 String name = derivingInstance.name.name;
546 con = Environments.getTypeClassName(compilationContext.environment, name);
547 } catch (AmbiguousNameException e) {
548 errorLog.log(derivingInstance.name.location, e.getMessage());
552 errorLog.log(derivingInstance.name.location, "Couldn't resolve class " + name + ".");
555 InstanceDeriver deriver = InstanceDerivers.get(con);
557 errorLog.log(derivingInstance.location, "Doesn't know how to derive " + name + ".");
559 deriver.derive(errorLog, compilationContext.environment, instancesAst, derivingInstance);
563 public void processInstances(ArrayList<ProcessedDInstanceAst> instancesAst) {
564 THashSet<TPred> instanceClashCheckSet = new THashSet<TPred>();
565 for(ProcessedDInstanceAst pInstanceAst : instancesAst) {
566 DInstanceAst instanceAst = pInstanceAst.orig;
568 TypeTranslationContext context = createTypeTranslationContext();
570 String name = instanceAst.name.name;
573 typeClassCon = Environments.getTypeClassName(compilationContext.environment, name);
574 } catch (AmbiguousNameException e) {
575 errorLog.log(instanceAst.name.location, e.getMessage());
578 if(typeClassCon == null) {
579 errorLog.log(instanceAst.name.location, "Couldn't resolve class " + name + ".");
582 TypeClass typeClass = compilationContext.environment.getTypeClass(typeClassCon);
583 pInstanceAst.typeClass = typeClass;
585 if(instanceAst.types.length != typeClass.parameters.length) {
586 errorLog.log(instanceAst.location, "Wrong number of parameters to type class " + typeClassCon.name + ".");
589 Type[] parameters = new Type[instanceAst.types.length];
590 for(int i=0;i<parameters.length;++i)
591 parameters[i] = context.toType(instanceAst.types[i], typeClass.parameters[i].getKind() /* FIXME */);
592 TPred instance = Types.pred(typeClassCon, parameters);
594 if(!instanceClashCheckSet.add(instance)) {
595 errorLog.log(instanceAst.location, "Duplicate definition of the instance " + instance + ".");
599 TPred[] instanceContext = new TPred[instanceAst.context.length];
600 for(int i=0;i<instanceContext.length;++i)
601 instanceContext[i] = context.toTFuncApply(instanceAst.context[i]);
603 String javaName = compilationContext.namingPolicy.getInstanceClassName(instance);
604 String instancePrefix = instance.toName() + "$";
606 ValueRepository valueDefs = pInstanceAst.valueDefs;
608 THashMap<String, MethodImplementation> methodImplementations =
609 new THashMap<String, MethodImplementation>();
610 for(String valueName : valueDefs.getValueNames()) {
611 String fullName = instancePrefix + valueName;
612 long loc = valueDefs.getDefinition(valueName).get(0).location;
613 valueDefinitionsAst.addFrom(valueDefs, valueName, fullName);
614 valueDefinitionsAst.setDerived(fullName);
615 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
616 Collections.<Expression>emptyList()));*/
617 TypeClassMethod method = typeClass.methods.get(valueName);
619 errorLog.log(loc, "Method " + valueName + " is not defined in the type class " + typeClass.name.name + ".");
622 Type type = method.getBaseType().replace(typeClass.parameters, parameters);
623 for(int i=instanceContext.length-1;i>=0;--i)
624 type = Types.constrained(instanceContext[i], type);
625 //System.out.println(valueName + " :: " + type);
626 supplementedTypeAnnotations.add(
627 new SupplementedValueType(loc, fullName, type));
628 methodImplementations.put(valueName,
629 new MethodImplementation(Name.create(moduleName, fullName), false));
632 // Are all necessary methods defined
633 for(String methodName : typeClass.methods.keySet())
634 if(!methodImplementations.containsKey(methodName)) {
635 Name defaultImplementation = typeClass.methods.get(methodName).getDefaultImplementation();
636 if(defaultImplementation == null)
637 errorLog.log(instanceAst.location, "Method " + methodName + " is not defined.");
639 methodImplementations.put(methodName,
640 new MethodImplementation(defaultImplementation, true));
643 JavaTypeInstanceConstructor generator = new JavaTypeInstanceConstructor(javaName, instance, instanceContext);
644 if(instanceContext.length == 0)
645 generator.setHasStaticInstance(true);
647 TypeClassInstance typeClassInstance =
648 new TypeClassInstance(instanceAst.location, typeClass, generator,
649 generator.getTypeParameters(),
650 instanceContext, instance, methodImplementations,
653 generator.setInstance(typeClassInstance);
655 module.addTypeClassInstance(typeClassCon, typeClassInstance);
656 } catch(RuntimeException e) {
657 errorLog.setExceptionPosition(instanceAst.location);
662 // Generate superclass functions
663 for(ArrayList<TypeClassInstance> instanceArray : module.getTypeInstances().values())
664 for(TypeClassInstance instance : instanceArray) {
666 TypeClass typeClass = instance.typeClass;
667 int superCount = typeClass.context.length;
669 instance.superExpressions = new SCLValue[superCount];
670 for(int i=0;i<superCount;++i) {
671 TPred type = (TPred)typeClass.context[i]
672 .replace(typeClass.parameters, instance.instance.parameters);
673 SCLValue value = new SCLValue(Name.create(moduleName,
674 instance.javaName.substring(instance.javaName.indexOf('$')+1) + "_super" + i));
675 //value.addProperty(PrivateProperty.INSTANCE);
676 module.addValue(value);
677 Expression expression = new EGetConstraint(instance.location, type);
678 value.setExpression(expression);
679 value.setType(Types.forAll(instance.generatorParameters, Types.constrained(instance.context, type)));
680 value.getProperties().add(new InlineProperty(instance.context.length, 0xffffffff));
681 //TypeUnparsingContext tuc = new TypeUnparsingContext();
682 // TODO error handling
683 instance.superExpressions[i] = value;
685 } catch(RuntimeException e) {
686 errorLog.setExceptionPosition(instance.getLocation());
692 public void processJavaMethods(ArrayList<JavaMethodDeclaration> javaMethodDeclarations) {
693 for(JavaMethodDeclaration javaMethod : javaMethodDeclarations) {
694 String name = javaMethod.methodName.name;
695 String javaName = name;
696 ArrayList<DAnnotationAst> annotations =
697 valueDefinitionsAst.getAnnotations(name);
698 boolean isPrivate = false;
699 if(annotations != null) {
700 for(DAnnotationAst annotation : annotations)
701 if(annotation.id.text.equals("@JavaName")) {
702 String temp = AnnotationUtils.processStringAnnotation(errorLog, annotation);
706 else if(annotation.id.text.equals("@private")) {
707 AnnotationUtils.processTagAnnotation(errorLog, annotation);
712 Type type = createTypeTranslationContext().toType(javaMethod.type);
714 CallJava callJava = resolveMethod(
716 javaMethod.className,
719 if(callJava != null) {
720 NameExistenceChecks.checkIfValueExists(errorLog, javaMethod.location,
721 importedEnvironment, module, name);
722 SCLValue value = module.addValue(name, callJava);
723 value.definitionLocation = javaMethod.methodName.location;
725 value.addProperty(PrivateProperty.INSTANCE);
730 public void processRulesets(ArrayList<DRulesetAst> rulesetsAst) {
731 for(DRulesetAst ruleset : rulesetsAst) {
732 String constructorName = "create" + ruleset.name;
733 supplementedTypeAnnotations.add(new SupplementedValueType(ruleset.location, constructorName, Types.functionE(Types.PUNIT, Types.PROC, ruleset.type)));
735 valueDefinitionsAst.add(new DValueAst(new EVar(constructorName), new EPreCHRRulesetConstructor(ruleset)));
736 } catch (NotPatternException e) {
737 throw new InternalCompilerError(ruleset.location, e);
743 * Convert a java class method into a {@link CallJava} instance.
744 * Compilation errors are logged for failures in finding the named class or in accessing the method.
745 * The return value for errors is {@code null}.
747 * @param loc SCL source location
748 * @param className Name of the class
749 * @param methodName Name of the method
750 * @param type The expected SCL type of the method
751 * @return A new JavaCall instance, or null if the given method can not be instantiated.
753 private CallJava resolveMethod(long loc,
754 String className, String methodName, Type type) {
756 ClassRef classRef = classRefs.get(className);
757 if(classRef == null) {
758 if(classRefs.containsKey(className))
760 classRef = javaReferenceValidator.getClassRef(className);
761 classRefs.put(className, classRef);
762 if(classRef == null) {
763 errorLog.log(loc, "Didn't find class " + className + ".");
766 if(!javaReferenceValidator.isPublic(classRef.getClass())) {
767 errorLog.log(loc, "Class " + className + " is not public.");
774 List<MethodRef> methodRefs = classRef.getMethodRefs(methodName);
775 if(methodRefs.isEmpty()) {
776 errorLog.log(loc, "Didn't find any public method or field with name '" + methodName + "' from class " + className + ".");
780 ArrayList<CallJava> candidates = new ArrayList<CallJava>(2);
781 for(MethodRef methodRef : methodRefs) {
782 CallJava candidate = matchType(methodRef, type);
783 if(candidate != null)
784 candidates.add(candidate);
787 if(candidates.isEmpty()) {
788 StringBuilder b = new StringBuilder();
789 b.append("Didn't find any public method or field matching the type " + type + ". The following methods and fields were tried:");
790 for(MethodRef methodRef : methodRefs) {
794 b.append("\nbut expected something like:");
796 MultiFunction mFun = Types.matchFunction(type);
797 b.append("\n public static ");
798 b.append(javaTypeTranslator.toTypeDesc(mFun.returnType).getFullName()).append(' ').append(methodName).append('(');
799 boolean first = true;
800 for(Type parameter : mFun.parameterTypes) {
805 b.append(javaTypeTranslator.toTypeDesc(parameter).getFullName());
809 errorLog.log(loc, b.toString());
812 else if(candidates.size() == 1)
813 return candidates.get(0);
815 // Try to find the best match
816 ArrayList<CallJava> bestCandidates = new ArrayList<CallJava>(candidates.size());
817 loop: for(CallJava candidate : candidates) {
818 Iterator<CallJava> it = bestCandidates.iterator();
819 while(it.hasNext()) {
820 CallJava b = it.next();
821 switch(candidate.compareTo(javaReferenceValidator, b)) {
825 case CallJava.GREATER:
828 case CallJava.INCOMPARABLE:
832 bestCandidates.add(candidate);
835 if(bestCandidates.size() == 1) {
836 // System.out.println("Choose: " + bestCandidates.get(0).getMethodRef());
837 return bestCandidates.get(0);
840 StringBuilder b = new StringBuilder();
841 b.append("Found more than one incomparable public methods the type " + type + ":");
842 for(CallJava callJava : bestCandidates) {
844 b.append(callJava.getMethodRef());
846 errorLog.log(loc, b.toString());
852 private CallJava matchType(MethodRef methodRef, Type type) {
853 //System.out.println("-----------------------------------------------------");
854 //System.out.println("method: " + methodRef);
855 //System.out.println("type: " + type);
857 type = Types.canonical(type);
858 while(type instanceof TForAll)
859 type = Types.canonical(((TForAll)type).type);
861 TypeDesc[] expectedParameterTypes = methodRef.getParameterTypes();
863 ArrayList<Type> parameterTypes = new ArrayList<Type>();
864 Type effect = Types.NO_EFFECTS;
865 Type returnType = type;
867 StackItem[] stackItems = new StackItem[expectedParameterTypes.length];
868 TIntArrayList unresolvedItems = new TIntArrayList();
871 for(int i=0;i<expectedParameterTypes.length;++i) {
873 TypeDesc providedParameterType;
875 if(effect != Types.NO_EFFECTS || !(returnType instanceof TFun)) {
876 while(i < expectedParameterTypes.length)
877 unresolvedItems.add(i++);
880 TFun fun = (TFun)returnType;
881 parameterType = Types.canonical(fun.domain);
882 parameterTypes.add(parameterType);
883 effect = Types.canonical(fun.effect);
884 returnType = Types.canonical(fun.range);
885 providedParameterType = javaTypeTranslator.toTypeDesc(parameterType);
886 } while(providedParameterType.equals(TypeDesc.VOID));
889 TypeDesc expectedParameterType = expectedParameterTypes[i];
890 if(javaReferenceValidator.isAssignableFrom(expectedParameterType,
891 providedParameterType)) {
892 stackItems[i] = new ParameterStackItem(
893 parameterTypes.size()-1,
898 unresolvedItems.add(i++);
899 if(i == expectedParameterTypes.length) {
900 parameterTypes.remove(parameterTypes.size()-1);
901 returnType = Types.functionE(parameterType, effect, returnType);
906 //System.out.println("returnType: " + returnType);
907 if(!unresolvedItems.isEmpty()) {
908 ArrayList<TCon> concreteEffects = new ArrayList<TCon>();
909 effect.collectConcreteEffects(concreteEffects);
911 for(TCon eff : concreteEffects) {
912 EffectConstructor effC = compilationContext.environment.getEffectConstructor(eff);
913 for(ThreadLocalVariable var : effC.getThreadLocalVariables()) {
914 for(int i=0;i<unresolvedItems.size();++i) {
915 int id = unresolvedItems.get(i);
916 if(!expectedParameterTypes[id].equals(TypeDesc.OBJECT) &&
917 javaReferenceValidator.isAssignableFrom(expectedParameterTypes[id], var.type)) {
918 stackItems[id] = new ThreadLocalStackItem(var.variableName, var.type);
919 unresolvedItems.removeAt(i);
926 if(!unresolvedItems.isEmpty())
928 /*System.out.print("Unresolved: ");
929 boolean first = true;
930 for(int i=0;i<unresolvedItems.size();++i) {
934 System.out.print(", ");
935 System.out.print(expectedParameterTypes[unresolvedItems.get(i)]);
937 System.out.println();*/
939 OutputFilter filter = null;
941 TypeDesc providedReturnType = methodRef.getReturnType();
942 if(!providedReturnType.equals(Constants.FUNCTION)) {
943 while(returnType instanceof TFun && effect == Types.NO_EFFECTS) {
944 TFun fun = (TFun)returnType;
945 Type parameterType = Types.canonical(fun.domain);
946 if(!javaTypeTranslator.toTypeDesc(parameterType).equals(TypeDesc.VOID))
948 parameterTypes.add(parameterType);
949 effect = Types.canonical(fun.effect);
950 returnType = Types.canonical(fun.range);
953 TypeDesc expectedReturnType =
954 javaTypeTranslator.toTypeDesc(returnType);
955 if(!javaReferenceValidator.isAssignableFrom(expectedReturnType,
956 providedReturnType)) {
957 if(expectedReturnType.equals(TypeDesc.VOID)) {
958 if(providedReturnType.equals(TypeDesc.DOUBLE) || providedReturnType.equals(TypeDesc.LONG))
959 filter = Pop2OutputFilter.INSTANCE;
961 filter = PopOutputFilter.INSTANCE;
963 else if(expectedReturnType.equals(Constants.LIST)
964 && providedReturnType.equals(Constants.COLLECTION))
965 filter = ConvertToListFilter.INSTANCE;
971 CallJava result = new CallJava(
972 Types.freeVarsArray(type),
975 parameterTypes.toArray(new Type[parameterTypes.size()]),
979 //System.out.println(result.getType());
983 public void processMappingRelations(ArrayList<DMappingRelationAst> mappingRelationsAst) {
984 for(DMappingRelationAst mappingRelation : mappingRelationsAst) {
985 TypeAst[] parameterTypesAst = mappingRelation.parameterTypes;
986 Type[] parameterTypes = new Type[parameterTypesAst.length];
987 TypeTranslationContext typeTranslationContext = createTypeTranslationContext();
988 for(int i=0;i<parameterTypes.length;++i)
989 parameterTypes[i] = parameterTypesAst[i].toType(typeTranslationContext, Kinds.STAR);
990 MappingRelation mRel =
991 new MappingRelation(Name.create(moduleName, mappingRelation.name), parameterTypes);
992 mRel.location = mappingRelation.location;
993 if(module.addMappingRelation(mRel))
994 errorLog.log(mappingRelation.location, "Mapping relation " + mappingRelation.name +
995 " has already been defined.");
999 THashMap<String, DRuleAst> ruleAstMap = new THashMap<String, DRuleAst>();
1001 public void processRules(ArrayList<DRuleAst> rulesAst) {
1002 // Find implied mapping relations
1003 for(DRuleAst ruleA : rulesAst) {
1004 ArrayList<Query> whereSection = ruleA.getSections().get("where");
1005 if(whereSection != null)
1006 for(Query query : whereSection) {
1007 if(!(query instanceof QPreGuard))
1009 QPreGuard guard = (QPreGuard)query;
1010 if(!(guard.guard instanceof EApply))
1012 EApply apply = (EApply)guard.guard;
1013 if(!(apply.getFunction() instanceof EVar))
1016 String name = ((EVar)apply.getFunction()).name;
1017 if(module.getMappingRelation(name) != null)
1020 int arity = apply.getParameters().length;
1021 Type[] parameterTypes = new Type[arity];
1022 for(int i=0;i<arity;++i)
1023 parameterTypes[i] = Types.metaVar(Kinds.STAR);
1024 MappingRelation mRel =
1025 new MappingRelation(Name.create(moduleName, name), parameterTypes);
1026 mRel.location = query.location;
1027 module.addMappingRelation(mRel);
1029 if(ruleAstMap.put(ruleA.name, ruleA) != null)
1030 errorLog.log(ruleA.location, "Rule " + ruleA.name +
1031 " has already been defined.");
1035 for(String ruleName : ruleAstMap.keySet())
1036 processRule(ruleName);
1039 private TransformationRule processRule(String ruleName) {
1040 TransformationRule rule = module.getRule(ruleName);
1044 DRuleAst ruleAst = ruleAstMap.get(ruleName);
1045 if(ruleAst.alreadyProcessing) {
1046 errorLog.log(ruleAst.location, "Cyclic chain of rule extensions.");
1050 TransformationRule[] extendsRules;
1051 int length = ruleAst.extendsNames.length;
1053 extendsRules = TransformationRule.EMPTY_ARRAY;
1055 extendsRules = new TransformationRule[length];
1056 for(int i=0;i<length;++i) {
1058 String extendsName = ruleAst.extendsNames[i];
1059 TransformationRule extendsRule;
1060 if(ruleAstMap.containsKey(extendsName))
1061 extendsRule = processRule(extendsName);
1063 extendsRule = Environments.getRule(compilationContext.environment, extendsName);
1064 if(extendsRule == null)
1065 errorLog.log(ruleAst.location,
1066 "Couldn't resolve rule name " + extendsName + ".");
1068 extendsRules[i] = extendsRule;
1069 } catch(AmbiguousNameException e) {
1070 errorLog.log(ruleAst.location, e.getMessage());
1075 final THashMap<SectionName, Query[]> sections = new THashMap<SectionName, Query[]>();
1077 final TranslationContext context = createTranslationContext();
1079 THashMap<String, Variable> variables = context.getVariables();
1080 for(TransformationRule extendsRule : extendsRules) {
1081 if(extendsRule == null)
1083 for(Variable var : extendsRule.variables)
1084 if(variables.put(var.getName(), var) != null) {
1085 errorLog.log(ruleAst.location,
1086 "Variable " + var.getName() + " is defined in more than one base rule, which is not currently allowed.");
1090 context.pushExistentialFrame();
1091 ruleAst.getSections().forEachEntry(new TObjectObjectProcedure<String, ArrayList<Query>>() {
1093 public boolean execute(String sectionNameString, ArrayList<Query> queries) {
1094 Query[] resolvedQueries = new Query[queries.size()];
1095 for(int i=0;i<resolvedQueries.length;++i)
1096 resolvedQueries[i] = queries.get(i).resolve(context);
1098 SectionName sectionName = SectionName.getSectionName(sectionNameString);
1099 if(sectionName == null)
1100 context.getErrorLog().log(queries.get(0).location,
1101 "Invalid section name " + sectionNameString + ".");
1103 sections.put(sectionName, resolvedQueries);
1108 Variable[] variables = context.getVariables().values().toArray(new Variable[context.getVariables().size()]);
1110 rule = new TransformationRule(ruleAst.isAbstract,
1111 Name.create(moduleName, ruleAst.name),
1113 sections, variables);
1114 rule.location = ruleAst.location;
1115 module.addRule(rule);
1119 public void addDataTypesToEnvironment() {
1120 for(StandardTypeConstructor dataType : dataTypes) {
1121 int constructorTag = 0;
1122 for(Constructor constructor : dataType.constructors) {
1123 SCLValue value = new SCLValue(constructor.name);
1124 value.definitionLocation = constructor.loc;
1125 SCLConstructor sclConstructor =
1127 constructor.name.name,
1128 constructor.javaName,
1129 constructor.getTypeVariables(),
1131 constructor.getReturnType(),
1132 constructor.fieldNames == null
1133 ? SCLConstructor.DEFAULT_FIELD_NAMES[constructor.getParameterTypes().length]
1134 : constructor.fieldNames,
1135 constructor.recordFieldNames,
1136 constructor.getParameterTypes());
1137 if(dataType.constructors.length == 1 && (
1138 dataType.getTypeDesc() == null ||
1139 (dataType.constructors[0].javaName != null &&
1140 dataType.constructors[0].javaName.equals(MethodBuilderBase.getClassName(dataType.getTypeDesc())))))
1141 sclConstructor.setOnlyConstructor(true);
1142 value.setValue(sclConstructor);
1143 value.setType(constructor.getType());
1145 NameExistenceChecks.checkIfValueExists(errorLog, constructor.loc,
1146 importedEnvironment, module, constructor.name.name);
1147 if(module.addValue(value)) {
1148 errorLog.log(constructor.loc,
1149 "Value " + constructor.name.name + " is already defined.");
1155 public void addTypeClassesToEnvironment() {
1156 for(TypeClass typeClass : module.getTypeClasses()) {
1157 for(TypeClassMethod method : typeClass.methods.values()) {
1158 SCLValue value = method.createValue();
1159 value.definitionLocation = method.location;
1160 NameExistenceChecks.checkIfValueExists(errorLog, Locations.NO_LOCATION,
1161 importedEnvironment, module, value.getName().name);
1163 if(module.addValue(value)) {
1164 String name = method.getName();
1165 long location = Locations.NO_LOCATION;
1166 ArrayList<DValueAst> definitions = valueDefinitionsAst.getDefinition(name);
1167 if(definitions != null && !definitions.isEmpty())
1168 location = definitions.get(0).location;
1169 errorLog.log(location, "Value " + name + " is already defined.");
1175 public void preprocessValueDefinitions(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1176 for(String name : valueDefinitionsAst.getValueNames()) {
1177 SCLValue value = new SCLValue(Name.create(moduleName, name));
1179 long location = valueDefinitionsAst.getLocation(name);
1180 NameExistenceChecks.checkIfValueExists(errorLog, location,
1181 importedEnvironment, module, value.getName().name);
1182 value.definitionLocation = location;
1183 if(module.addValue(value))
1184 errorLog.log(location, "Value " + name + " is already defined.");
1185 if(valueDefinitionsAst.isDerived(name))
1186 value.addProperty(DerivedProperty.INSTANCE);
1188 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1189 for(EVar name : valueTypeAst.names) {
1190 SCLValue value = module.getValue(name.name);
1192 errorLog.log(valueTypeAst.location, name.name + " is not defined.");
1193 value = new SCLValue(Name.create(moduleName, name.name));
1194 module.addValue(value);
1196 value.definitionLocation = name.location;
1198 for(String name : relationDefinitionsAst.getRelationNames()) {
1199 ConcreteRelation relation = new ConcreteRelation(name);
1200 module.addRelation(name, relation);
1204 public void addValueDefinitionsToEnvironment(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1205 THashMap<String, DValueTypeAst> typeMap = new THashMap<String, DValueTypeAst>();
1206 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1207 for(EVar name : valueTypeAst.names) {
1208 if(typeMap.containsKey(name.name))
1209 errorLog.log(valueTypeAst.location, "Type of "+name.name+" has already been declared in this module.");
1211 typeMap.put(name.name, valueTypeAst);
1214 THashMap<String, EVar> exportMap = null;
1215 if(moduleHeader != null && moduleHeader.export != null) {
1216 exportMap = new THashMap<String, EVar>();
1217 for(EVar export : moduleHeader.export)
1218 if(exportMap.put(export.name, export) != null)
1219 errorLog.log(export.location, "The symbol " + export.name + " is exported multiple times.");
1222 for(String name : valueDefinitionsAst.getValueNames()) {
1223 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1224 if(defs.size() != 1 || !(defs.get(0).value instanceof EPreCHRRulesetConstructor))
1227 SCLValue value = module.getValue(name);
1228 TranslationContext context = createTranslationContext();
1229 Expression expression = context.translateCases2(defs);
1230 value.setExpression(expression);
1232 if(exportMap != null && exportMap.remove(name) == null)
1233 value.addProperty(PrivateProperty.INSTANCE);
1234 } catch(RuntimeException e) {
1235 errorLog.setExceptionPosition(defs.get(0).location);
1239 for(String name : valueDefinitionsAst.getValueNames()) {
1240 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1241 if(defs.size() == 1 && defs.get(0).value instanceof EPreCHRRulesetConstructor)
1244 SCLValue value = module.getValue(name);
1245 TranslationContext context = createTranslationContext();
1246 Expression expression = context.translateCases2(defs);
1247 value.setExpression(expression);
1249 DValueTypeAst valueTypeAst = typeMap.remove(name);
1250 if(valueTypeAst != null)
1251 value.setType(Types.closure(context.toType(valueTypeAst.type)));
1253 ArrayList<DAnnotationAst> annotations = valueDefinitionsAst.getAnnotations(name);
1254 if(annotations != null)
1255 for(DAnnotationAst annotation : annotations) {
1256 handleAnnotation(value, defs, annotation);
1258 if(exportMap != null && exportMap.remove(name) == null)
1259 value.addProperty(PrivateProperty.INSTANCE);
1260 } catch(RuntimeException e) {
1261 errorLog.setExceptionPosition(defs.get(0).location);
1265 if(exportMap != null)
1266 for(EVar export : exportMap.values())
1267 errorLog.log(export.location, "The symbol " + export.name + " is not defined in the module.");
1268 for(String name : relationDefinitionsAst.getRelationNames()) {
1269 ArrayList<DRelationAst> definitions = relationDefinitionsAst.getDefinition(name);
1270 if(definitions.size() > 1) {
1271 errorLog.log(definitions.get(1).location,
1272 "Does not yet support definition of relations by more than one rule.");
1276 DRelationAst definition = definitions.get(0);
1277 ConcreteRelation relation = (ConcreteRelation)module.getRelation(name);
1278 relation.location = definition.location;
1279 TranslationContext context = createTranslationContext();
1280 definition.translateTo(context, relation);
1284 private TranslationContext createTranslationContext() {
1285 return new TranslationContext(compilationContext, null);
1288 private void handleAnnotation(SCLValue value, ArrayList<DValueAst> defs, DAnnotationAst annotation) {
1289 if(annotation.id.text.equals("@macro")) {
1290 value.setMacroRule(new StandardMacroRule());
1292 else if(annotation.id.text.equals("@inline")) {
1294 int arity = defs.get(0).lhs.getFunctionDefinitionPatternArity();
1295 int phaseMask = 0xffffffff;
1296 if(annotation.parameters.length > 0) {
1297 phaseMask = Integer.parseInt(((EIntegerLiteral)annotation.parameters[0]).getValue());
1299 value.addProperty(new InlineProperty(arity, phaseMask));
1300 } catch(NotPatternException e) {
1301 errorLog.log(annotation.location, "Inline annotation is invalid: this is not a function.");
1304 else if(annotation.id.text.equals("@private")) {
1305 if(moduleHeader != null && moduleHeader.export != null)
1306 errorLog.log(annotation.location, "Annotation @private is not used when module header contains export property.");
1307 value.addProperty(PrivateProperty.INSTANCE);
1309 else if(annotation.id.text.equals("@deprecated")) {
1310 String description = "";
1311 if(annotation.parameters.length > 0) {
1312 if(annotation.parameters.length > 1)
1313 errorLog.log(annotation.location, "Invalid number of parameters, expected one string.");
1315 String temp = AnnotationUtils.extractString(annotation.parameters[0]);
1317 errorLog.log(annotation.location, "Invalid parameter, expected one string.");
1322 value.addProperty(new DeprecatedProperty(description));
1325 errorLog.log(annotation.location, "Unknown annotation.");
1328 public void addSupplementedTypeAnnotationsToEnvironment() {
1329 for(SupplementedValueType valueType : supplementedTypeAnnotations) {
1330 Type type = Types.closure(valueType.type);
1331 String name = valueType.name;
1332 SCLValue value = module.getValue(name);
1334 errorLog.log(valueType.position,
1335 name + " is not defined.");
1336 else if(value.getType()==null)
1337 value.setType(type);
1339 errorLog.log(valueType.position,
1340 "Type of "+name+" has already been declared in this module.");
1344 public void addFixityToEnvironment(ArrayList<DFixityAst> fixityAst) {
1345 for(DFixityAst fixity : fixityAst) {
1346 for(EVar symbol : fixity.symbols) {
1347 String name = symbol.name;
1348 SCLValue value = module.getValue(name);
1350 errorLog.log(symbol.location,
1351 name + " is not defined.");
1353 value.setPrecedence(fixity.precedence);
1358 public void addCoverageBranchPoints() {
1359 branchPoints = new THashMap<String, BranchPoint[]>();
1360 BranchPointInjector injector = new BranchPointInjector();
1361 for(String valueName : valueDefinitionsAst.getValueNames()) {
1362 for(DValueAst valueAst : valueDefinitionsAst.getDefinition(valueName))
1363 valueAst.value = injector.injectBranchPoint(valueAst.value);
1364 branchPoints.put(valueName, injector.getAndClearBranchPoints());