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.ErrorLog;
65 import org.simantics.scl.compiler.errors.Locations;
66 import org.simantics.scl.compiler.internal.codegen.effects.EffectConstructor;
67 import org.simantics.scl.compiler.internal.codegen.effects.ThreadLocalVariable;
68 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidator;
69 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidatorFactory;
70 import org.simantics.scl.compiler.internal.codegen.types.JavaTypeTranslator;
71 import org.simantics.scl.compiler.internal.codegen.types.StandardTypeConstructor;
72 import org.simantics.scl.compiler.internal.codegen.utils.Constants;
73 import org.simantics.scl.compiler.internal.codegen.utils.JavaNamingPolicy;
74 import org.simantics.scl.compiler.internal.codegen.utils.MethodBuilderBase;
75 import org.simantics.scl.compiler.internal.deriving.InstanceDeriver;
76 import org.simantics.scl.compiler.internal.deriving.InstanceDerivers;
77 import org.simantics.scl.compiler.internal.elaboration.profiling.BranchPointInjector;
78 import org.simantics.scl.compiler.internal.elaboration.utils.StronglyConnectedComponents;
79 import org.simantics.scl.compiler.internal.header.ModuleHeader;
80 import org.simantics.scl.compiler.internal.parsing.declarations.ConstructorAst;
81 import org.simantics.scl.compiler.internal.parsing.declarations.DAnnotationAst;
82 import org.simantics.scl.compiler.internal.parsing.declarations.DClassAst;
83 import org.simantics.scl.compiler.internal.parsing.declarations.DDataAst;
84 import org.simantics.scl.compiler.internal.parsing.declarations.DDerivingInstanceAst;
85 import org.simantics.scl.compiler.internal.parsing.declarations.DEffectAst;
86 import org.simantics.scl.compiler.internal.parsing.declarations.DFixityAst;
87 import org.simantics.scl.compiler.internal.parsing.declarations.DInstanceAst;
88 import org.simantics.scl.compiler.internal.parsing.declarations.DMappingRelationAst;
89 import org.simantics.scl.compiler.internal.parsing.declarations.DRelationAst;
90 import org.simantics.scl.compiler.internal.parsing.declarations.DRuleAst;
91 import org.simantics.scl.compiler.internal.parsing.declarations.DRulesetAst;
92 import org.simantics.scl.compiler.internal.parsing.declarations.DTypeAst;
93 import org.simantics.scl.compiler.internal.parsing.declarations.DValueAst;
94 import org.simantics.scl.compiler.internal.parsing.declarations.DValueTypeAst;
95 import org.simantics.scl.compiler.internal.parsing.exceptions.SCLSyntaxErrorException;
96 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDClassAst;
97 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDInstanceAst;
98 import org.simantics.scl.compiler.internal.parsing.translation.RelationRepository;
99 import org.simantics.scl.compiler.internal.parsing.translation.ValueRepository;
100 import org.simantics.scl.compiler.internal.parsing.types.TypeAst;
101 import org.simantics.scl.compiler.module.ConcreteModule;
102 import org.simantics.scl.compiler.module.ImportDeclaration;
103 import org.simantics.scl.compiler.module.InvalidModulePathException;
104 import org.simantics.scl.compiler.module.ModuleUtils;
105 import org.simantics.scl.compiler.module.repository.ImportFailure;
106 import org.simantics.scl.compiler.module.repository.ImportFailureException;
107 import org.simantics.scl.compiler.types.TCon;
108 import org.simantics.scl.compiler.types.TForAll;
109 import org.simantics.scl.compiler.types.TFun;
110 import org.simantics.scl.compiler.types.TPred;
111 import org.simantics.scl.compiler.types.TVar;
112 import org.simantics.scl.compiler.types.Type;
113 import org.simantics.scl.compiler.types.Types;
114 import org.simantics.scl.compiler.types.kinds.Kind;
115 import org.simantics.scl.compiler.types.kinds.Kinds;
116 import org.simantics.scl.compiler.types.util.MultiFunction;
117 import org.simantics.scl.runtime.profiling.BranchPoint;
119 import gnu.trove.list.array.TIntArrayList;
120 import gnu.trove.map.hash.THashMap;
121 import gnu.trove.map.hash.TObjectIntHashMap;
122 import gnu.trove.procedure.TObjectObjectProcedure;
123 import gnu.trove.set.hash.THashSet;
124 import gnu.trove.set.hash.TIntHashSet;
126 public class Elaboration {
128 private final CompilationContext compilationContext;
129 private final ErrorLog errorLog;
130 private final String moduleName;
131 private final ModuleHeader moduleHeader;
132 private final ArrayList<ImportDeclaration> importsAst;
133 private final JavaReferenceValidatorFactory jrvFactory;
134 final JavaReferenceValidator<Object, Object, Object, Object> javaReferenceValidator;
135 private final ValueRepository valueDefinitionsAst;
136 private final RelationRepository relationDefinitionsAst;
139 ConcreteModule module;
140 Environment importedEnvironment;
141 ArrayList<SupplementedValueType> supplementedTypeAnnotations = new ArrayList<SupplementedValueType>();
143 JavaTypeTranslator javaTypeTranslator;
144 ArrayList<StandardTypeConstructor> dataTypes = new ArrayList<StandardTypeConstructor>();
145 THashMap<String, ClassRef> classRefs = new THashMap<String, ClassRef>();
146 THashMap<String, BranchPoint[]> branchPoints;
148 public Elaboration(CompilationContext compilationContext, CompilationTimer timer, EnvironmentFactory localEnvironmentFactory,
149 String moduleName, ModuleHeader moduleHeader, ArrayList<ImportDeclaration> importsAst,
150 JavaReferenceValidatorFactory jrvFactory,
151 ValueRepository valueDefinitionsAst,
152 RelationRepository relationDefinitionsAst) {
153 this.compilationContext = compilationContext;
154 this.errorLog = compilationContext.errorLog;
155 this.moduleName = moduleName;
156 this.moduleHeader = moduleHeader;
157 importsAst = processRelativeImports(importsAst);
158 this.importsAst = importsAst;
159 this.jrvFactory = jrvFactory;
160 this.javaReferenceValidator = moduleHeader == null || moduleHeader.classLoader == null
161 ? jrvFactory.getDefaultJavaReferenceValidator()
162 : jrvFactory.getJavaReferenceValidator(moduleHeader.classLoader);
163 if(javaReferenceValidator == null)
164 errorLog.log(moduleHeader.classLoaderLocation, "Didn't find the specified class loader.");
165 this.valueDefinitionsAst = valueDefinitionsAst;
166 this.relationDefinitionsAst = relationDefinitionsAst;
168 module = new ConcreteModule(moduleName);
169 compilationContext.module = module;
170 if(moduleHeader != null && moduleHeader.defaultLocalName != null)
171 module.setDefaultLocalName(moduleHeader.defaultLocalName);
174 timer.suspendTimer();
175 importedEnvironment = localEnvironmentFactory.createEnvironment(
176 importsAst.toArray(new ImportDeclaration[importsAst.size()]));
178 timer.continueTimer();
179 compilationContext.environment = new EnvironmentOfModule(importedEnvironment, module);
180 } catch (ImportFailureException e) {
181 for(ImportFailure failure : e.failures)
182 errorLog.log(failure.location, failure.toString());
185 for(ImportDeclaration importAst : importsAst)
186 this.module.addDependency(new ImportDeclaration(
187 importAst.moduleName,
188 importAst.reexport ? importAst.localName : null,
191 localEnvironmentFactory.addBuiltinDependencies(module);
192 compilationContext.namingPolicy = new JavaNamingPolicy(moduleName);
195 private ArrayList<ImportDeclaration> processRelativeImports(ArrayList<ImportDeclaration> relativeImports) {
196 ArrayList<ImportDeclaration> absoluteImports = new ArrayList<ImportDeclaration>(relativeImports.size());
197 for(ImportDeclaration relativeImport : relativeImports) {
198 if(relativeImport.moduleName.startsWith(".")) {
200 String absoluteModuleName = ModuleUtils.resolveAbsolutePath(moduleName, relativeImport.moduleName);
201 ImportDeclaration absoluteImport = new ImportDeclaration(
202 absoluteModuleName, relativeImport.localName,
203 relativeImport.reexport, relativeImport.spec);
204 absoluteImport.location = relativeImport.location;
205 absoluteImports.add(absoluteImport);
206 } catch (InvalidModulePathException e) {
207 errorLog.log(relativeImport.location, e.getMessage());
211 absoluteImports.add(relativeImport);
213 return absoluteImports;
216 public void addTypesToEnvironment(
217 ArrayList<DDataAst> dataTypesAst,
218 ArrayList<DTypeAst> typeAliasesAst,
219 ArrayList<DEffectAst> effectsAst,
220 ArrayList<DRulesetAst> rulesetsAst) {
221 for(DDataAst dataType : dataTypesAst) {
222 dataType.parameterKinds = new Kind[dataType.parameters.length];
223 Kind constructorKind = Kinds.STAR;
224 for(int i=dataType.parameters.length-1;i>=0;--i) {
225 Kind kind = Kinds.metaVar();
226 dataType.parameterKinds[i] = kind;
227 constructorKind = Kinds.arrow(kind, constructorKind);
230 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(
231 Types.con(moduleName, dataType.name), constructorKind);
233 NameExistenceChecks.checkIfTypeExists(errorLog,
234 dataType.location, importedEnvironment, dataType.name);
235 addTypeDescriptor(dataType.location, dataType.name, typeConstructor);
236 dataType.typeConstructor = typeConstructor;
239 for(DTypeAst typeAlias : typeAliasesAst) {
240 TypeAlias alias = new TypeAlias(Types.con(moduleName, typeAlias.name), typeAlias.parameters.length);
241 NameExistenceChecks.checkIfTypeExists(errorLog,
242 typeAlias.location, importedEnvironment, typeAlias.name);
243 addTypeDescriptor(typeAlias.location, typeAlias.name, alias);
246 for(DEffectAst effect : effectsAst) {
247 EffectConstructor effectConstructor = new EffectConstructor(Types.con(moduleName, effect.name));
248 effectConstructor.addThreadLocalVariable(
249 new ThreadLocalVariable(
251 TypeDesc.forClass(effect.threadLocalType)
253 if(module.addEffectConstructor(effect.name, effectConstructor))
254 errorLog.log(effect.location, "Effect "+effect.name+" has already been defined in this module.");
256 for(DRulesetAst ruleset : rulesetsAst) {
257 ruleset.type = Types.con(moduleName, ruleset.name);
258 ruleset.className = compilationContext.namingPolicy.getDataTypeClassName(ruleset.name);
259 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(ruleset.type, Kinds.STAR,
260 TypeDesc.forClass(ruleset.className), ruleset.documentation == null ? null : ruleset.documentation.documentation);
261 typeConstructor.external = true;
262 addTypeDescriptor(ruleset.location, ruleset.name, typeConstructor);
264 javaTypeTranslator = new JavaTypeTranslator(compilationContext.environment);
265 compilationContext.javaTypeTranslator = javaTypeTranslator;
268 private void addTypeDescriptor(long location, String name, TypeDescriptor typeDescriptor) {
269 if(module.addTypeDescriptor(name, typeDescriptor))
270 errorLog.log(location, "Type "+name+" has already been defined in this module.");
273 private static final int[] EMPTY_INT_ARRAY = new int[0];
275 public void processTypeAliases(ArrayList<DTypeAst> typeAliasesAst) {
276 TObjectIntHashMap<String> typeAliasMap = new TObjectIntHashMap<String>();
277 for(int i=0;i<typeAliasesAst.size();++i)
278 typeAliasMap.put(typeAliasesAst.get(i).name, i);
279 TIntHashSet tempIntSet = new TIntHashSet();
280 ArrayList<DTypeAst> orderedTypeAliases = new ArrayList<DTypeAst>(typeAliasesAst.size());
281 //for(int i=0;i<typeAliasesAst.size();++i)
282 // System.out.println(i + "# " + typeAliasesAst.get(i).name);
283 new StronglyConnectedComponents(typeAliasesAst.size()) {
285 protected int[] findDependencies(int u) {
286 typeAliasesAst.get(u).type.collectReferences(typeAliasMap, tempIntSet);
287 if(tempIntSet.isEmpty())
288 return EMPTY_INT_ARRAY;
289 if(tempIntSet.contains(u)) {
290 errorLog.log(typeAliasesAst.get(u).location, "Type alias has a self reference.");
291 tempIntSet.remove(u);
293 int[] result = tempIntSet.toArray();
295 //System.out.println(u + " -> " + Arrays.toString(result));
299 protected void reportComponent(int[] component) {
300 //System.out.println("component: " + Arrays.toString(component));
301 if(component.length > 1) {
302 StringBuilder b = new StringBuilder();
303 b.append("Recursively defined type alias (");
304 long minLocation = typeAliasesAst.get(component[0]).location;
305 boolean first = true;
306 for(int u : component) {
307 DTypeAst typeAlias = typeAliasesAst.get(u);
312 b.append(typeAlias.name);
313 if(Locations.beginOf(typeAlias.location) < Locations.beginOf(minLocation))
314 minLocation = typeAlias.location;
317 errorLog.log(minLocation, b.toString());
320 orderedTypeAliases.add(typeAliasesAst.get(component[0]));
324 if(errorLog.hasNoErrors()) {
325 for(DTypeAst typeAlias : orderedTypeAliases) {
326 TypeAlias alias = (TypeAlias)module.getTypeDescriptor(typeAlias.name);
327 TypeTranslationContext context = createTypeTranslationContext();
328 for(int i=0;i<typeAlias.parameters.length;++i)
329 context.pushTypeVar(typeAlias.parameters[i]);
330 alias.body = typeAlias.type.toType(context, Kinds.metaVar());
331 for(int i=0;i<typeAlias.parameters.length;++i)
332 alias.parameters[i] = context.popTypeVar(typeAlias.parameters[i], null);
337 public void processDataTypes(ArrayList<DDataAst> dataTypesAst) {
338 ArrayList<Runnable> fieldAccessorGenerators = new ArrayList<Runnable>();
339 for(DDataAst dataTypeAst : dataTypesAst) {
340 TypeTranslationContext context = createTypeTranslationContext();
341 TVar[] typeParameters = new TVar[dataTypeAst.parameters.length];
342 for(int i=0;i<dataTypeAst.parameters.length;++i)
343 typeParameters[i] = context.addTypeVar(dataTypeAst.parameters[i]);
344 Constructor[] constructors = new Constructor[dataTypeAst.constructors.length];
345 String className = null;
346 boolean external = false;
347 for(DAnnotationAst annotation : dataTypeAst.getAnnotations()) {
348 if(annotation.id.text.equals("@JavaType")) {
349 if(annotation.parameters.length != 1 ||
350 !(annotation.parameters[0] instanceof ELiteral) ||
351 !(((ELiteral)annotation.parameters[0]).getValue() instanceof StringConstant))
352 errorLog.log(annotation.location, "Invalid parameters. Expected @JavaType \"className\".");
354 className = ((StringConstant)((ELiteral)annotation.parameters[0]).getValue()).getValue().replace('.', '/');
361 boolean trivialDataType = dataTypeAst.constructors.length == 1 &&
362 dataTypeAst.constructors[0].parameters.length == 1;
363 if(className == null && !trivialDataType)
364 className = compilationContext.namingPolicy.getDataTypeClassName(dataTypeAst.name);
366 StandardTypeConstructor dataType = dataTypeAst.typeConstructor;
368 dataType.setType(Types.con(moduleName, dataTypeAst.name), typeParameters);
369 dataType.setConstructors(constructors);
371 dataType.setTypeDesc(TypeDesc.forClass(className));
372 if(!external || dataTypeAst.constructors.length > 0) {
373 dataType.isOpen = false;
375 dataType.external = external;
376 dataTypes.add(dataType);
377 for(int j=0;j<constructors.length;++j) {
378 ConstructorAst constructor = dataTypeAst.constructors[j];
379 String name = constructor.name.text;
380 Type[] parameterTypes = new Type[constructor.parameters.length];
381 for(int i=constructor.parameters.length-1;i>=0;--i)
382 parameterTypes[i] = context.toType(constructor.parameters[i]);
383 String javaName = constructors.length == 1 ? className
384 : compilationContext.namingPolicy.getConstructorClassName(name);
385 String[] fieldNames = null;
386 for(DAnnotationAst annotation : constructor.annotations)
387 if(annotation.id.text.equals("@JavaType")) {
389 javaName = ((StringConstant)((ELiteral)annotation.parameters[0])
390 .getValue()).getValue();
391 } catch(Exception e) {
392 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
395 else if(annotation.id.text.equals("@FieldNames")) {
397 EListLiteral literal = (EListLiteral)annotation.parameters[0];
398 fieldNames = new String[literal.getComponents().length];
399 for(int i=0;i<fieldNames.length;++i) {
400 Expression component = literal.getComponents()[i];
401 if(component instanceof EVar)
402 fieldNames[i] = ((EVar)component).name;
403 else if(component instanceof ELiteral)
404 fieldNames[i] = ((StringConstant)((ELiteral)component).getValue()).getValue();
406 } catch(Exception e) {
407 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
412 constructors[j] = new Constructor(constructor.location, dataType,
413 Name.create(moduleName, name),
414 parameterTypes, javaName);
415 constructors[j].fieldNames = fieldNames;
416 constructors[j].recordFieldNames = constructor.fieldNames;
418 if(constructors.length == 1) {
419 Constructor constructor = constructors[0];
420 if(constructor.recordFieldNames != null) {
421 fieldAccessorGenerators.add(new Runnable() {
424 Type in = Types.apply(dataType.name, dataType.parameters);
425 for(int i=0;i<constructor.recordFieldNames.length;++i) {
426 Type out = constructor.parameterTypes[i];
429 accessor = new SafeCoerce(dataType.parameters, in, out);
431 accessor = new CallJava(dataType.parameters, Types.NO_EFFECTS, out,
432 new Type[] {in}, new StackItem[] {new ParameterStackItem(0, in)},
433 new FieldRef(constructor.javaName, constructor.fieldNames != null ? constructor.fieldNames[i] : "c" + i,
434 javaTypeTranslator.toTypeDesc(out)),
436 module.addFieldAccessor(constructor.recordFieldNames[i], accessor);
444 for(Runnable fieldAccessorGenerator : fieldAccessorGenerators)
445 fieldAccessorGenerator.run();
448 public void processTypeClasses(ArrayList<ProcessedDClassAst> typeClassesAst) {
449 for(ProcessedDClassAst pClassAst : typeClassesAst) {
450 DClassAst classAst = pClassAst.orig;
452 if(module.getTypeClass(classAst.name) != null) {
453 errorLog.log(classAst.location, "Class "+classAst.name+" has already been defined in this module.");
457 TypeTranslationContext context = createTypeTranslationContext();
459 TPred[] classContext = new TPred[classAst.context.length];
460 for(int i=0;i<classContext.length;++i)
461 classContext[i] = context.toTFuncApply(classAst.context[i]);
463 TVar[] parameters = new TVar[classAst.parameters.length];
465 if(classAst.name.equals("Functor") || classAst.name.equals("Monad")) {
467 parameters[0] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[0], Kinds.STAR_TO_STAR);
470 for(int i=0;i<parameters.length;++i)
471 parameters[i] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[i], Kinds.metaVar());
474 TCon con = Types.con(moduleName, classAst.name);
475 TypeClass typeClass = new TypeClass(classAst.location,
478 compilationContext.namingPolicy.getTypeClassInterfaceName(con),
480 Fundep.mapFundeps(classAst.parameters, classAst.fundeps));
482 THashMap<String, TypeClassMethod> methods = typeClass.methods;
483 for(DValueTypeAst methodDecl : pClassAst.typeDeclarations) {
487 type = context.toType(methodDecl.type);
488 } catch(SCLSyntaxErrorException e) {
489 errorLog.log(e.location, e.getMessage());
492 for(EVar name : methodDecl.names) {
493 typeClass.methodNames.add(name.name);
494 methods.put(name.name,
495 new TypeClassMethod(typeClass, name.name,
496 compilationContext.namingPolicy.getMethodName(name.name),
497 type, Types.getArity(type),
501 } catch(RuntimeException e) {
502 errorLog.setExceptionPosition(methodDecl.location);
507 for(String methodName : pClassAst.defaultImplementations.getValueNames()) {
508 String fullName = "_" + classAst.name + "_default_" + methodName;
509 ArrayList<DValueAst> defs = pClassAst.defaultImplementations.getDefinition(methodName);
511 TypeClassMethod method = typeClass.methods.get(methodName);
513 errorLog.log(defs.get(0).location, "Method " + methodName + " is not defined in this class.");
516 method.setDefaultImplementation(Name.create(moduleName, fullName));
518 valueDefinitionsAst.addDefinitions(fullName, defs);
519 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
520 Collections.<Expression>emptyList()));*/
521 supplementedTypeAnnotations.add(new SupplementedValueType(defs.get(0).location, fullName, method.getType()));
524 module.addTypeClass(classAst.name, typeClass);
528 private TypeTranslationContext createTypeTranslationContext() {
529 return new TypeTranslationContext(compilationContext);
532 public void processDerivingInstances(ArrayList<DDerivingInstanceAst> derivingInstancesAst,
533 ArrayList<ProcessedDInstanceAst> instancesAst) {
534 for(DDerivingInstanceAst derivingInstance : derivingInstancesAst) {
535 String name = derivingInstance.name.name;
538 con = Environments.getTypeClassName(compilationContext.environment, name);
539 } catch (AmbiguousNameException e) {
540 errorLog.log(derivingInstance.name.location, e.getMessage());
544 errorLog.log(derivingInstance.name.location, "Couldn't resolve class " + name + ".");
547 InstanceDeriver deriver = InstanceDerivers.get(con);
549 errorLog.log(derivingInstance.location, "Doesn't know how to derive " + name + ".");
551 deriver.derive(errorLog, compilationContext.environment, instancesAst, derivingInstance);
555 public void processInstances(ArrayList<ProcessedDInstanceAst> instancesAst) {
556 THashSet<TPred> instanceClashCheckSet = new THashSet<TPred>();
557 for(ProcessedDInstanceAst pInstanceAst : instancesAst) {
558 DInstanceAst instanceAst = pInstanceAst.orig;
560 TypeTranslationContext context = createTypeTranslationContext();
562 String name = instanceAst.name.name;
565 typeClassCon = Environments.getTypeClassName(compilationContext.environment, name);
566 } catch (AmbiguousNameException e) {
567 errorLog.log(instanceAst.name.location, e.getMessage());
570 if(typeClassCon == null) {
571 errorLog.log(instanceAst.name.location, "Couldn't resolve class " + name + ".");
574 TypeClass typeClass = compilationContext.environment.getTypeClass(typeClassCon);
575 pInstanceAst.typeClass = typeClass;
577 if(instanceAst.types.length != typeClass.parameters.length) {
578 errorLog.log(instanceAst.location, "Wrong number of parameters to type class " + typeClassCon.name + ".");
581 Type[] parameters = new Type[instanceAst.types.length];
582 for(int i=0;i<parameters.length;++i)
583 parameters[i] = context.toType(instanceAst.types[i], typeClass.parameters[i].getKind() /* FIXME */);
584 TPred instance = Types.pred(typeClassCon, parameters);
586 if(!instanceClashCheckSet.add(instance)) {
587 errorLog.log(instanceAst.location, "Duplicate definition of the instance " + instance + ".");
591 TPred[] instanceContext = new TPred[instanceAst.context.length];
592 for(int i=0;i<instanceContext.length;++i)
593 instanceContext[i] = context.toTFuncApply(instanceAst.context[i]);
595 String javaName = compilationContext.namingPolicy.getInstanceClassName(instance);
596 String instancePrefix = instance.toName() + "$";
598 ValueRepository valueDefs = pInstanceAst.valueDefs;
600 THashMap<String, MethodImplementation> methodImplementations =
601 new THashMap<String, MethodImplementation>();
602 for(String valueName : valueDefs.getValueNames()) {
603 String fullName = instancePrefix + valueName;
604 long loc = valueDefs.getDefinition(valueName).get(0).location;
605 valueDefinitionsAst.addFrom(valueDefs, valueName, fullName);
606 valueDefinitionsAst.setDerived(fullName);
607 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
608 Collections.<Expression>emptyList()));*/
609 TypeClassMethod method = typeClass.methods.get(valueName);
611 errorLog.log(loc, "Method " + valueName + " is not defined in the type class " + typeClass.name.name + ".");
614 Type type = method.getBaseType().replace(typeClass.parameters, parameters);
615 for(int i=instanceContext.length-1;i>=0;--i)
616 type = Types.constrained(instanceContext[i], type);
617 //System.out.println(valueName + " :: " + type);
618 supplementedTypeAnnotations.add(
619 new SupplementedValueType(loc, fullName, type));
620 methodImplementations.put(valueName,
621 new MethodImplementation(Name.create(moduleName, fullName), false));
624 // Are all necessary methods defined
625 for(String methodName : typeClass.methods.keySet())
626 if(!methodImplementations.containsKey(methodName)) {
627 Name defaultImplementation = typeClass.methods.get(methodName).getDefaultImplementation();
628 if(defaultImplementation == null)
629 errorLog.log(instanceAst.location, "Method " + methodName + " is not defined.");
631 methodImplementations.put(methodName,
632 new MethodImplementation(defaultImplementation, true));
635 JavaTypeInstanceConstructor generator = new JavaTypeInstanceConstructor(javaName, instance, instanceContext);
636 if(instanceContext.length == 0)
637 generator.setHasStaticInstance(true);
639 TypeClassInstance typeClassInstance =
640 new TypeClassInstance(instanceAst.location, typeClass, generator,
641 generator.getTypeParameters(),
642 instanceContext, instance, methodImplementations,
645 generator.setInstance(typeClassInstance);
647 module.addTypeClassInstance(typeClassCon, typeClassInstance);
648 } catch(RuntimeException e) {
649 errorLog.setExceptionPosition(instanceAst.location);
654 // Generate superclass functions
655 for(ArrayList<TypeClassInstance> instanceArray : module.getTypeInstances().values())
656 for(TypeClassInstance instance : instanceArray) {
658 TypeClass typeClass = instance.typeClass;
659 int superCount = typeClass.context.length;
661 instance.superExpressions = new SCLValue[superCount];
662 for(int i=0;i<superCount;++i) {
663 TPred type = (TPred)typeClass.context[i]
664 .replace(typeClass.parameters, instance.instance.parameters);
665 SCLValue value = new SCLValue(Name.create(moduleName,
666 instance.javaName.substring(instance.javaName.indexOf('$')+1) + "_super" + i));
667 //value.addProperty(PrivateProperty.INSTANCE);
668 module.addValue(value);
669 Expression expression = new EGetConstraint(instance.location, type);
670 value.setExpression(expression);
671 value.setType(Types.forAll(instance.generatorParameters, Types.constrained(instance.context, type)));
672 value.getProperties().add(new InlineProperty(instance.context.length, 0xffffffff));
673 //TypeUnparsingContext tuc = new TypeUnparsingContext();
674 // TODO error handling
675 instance.superExpressions[i] = value;
677 } catch(RuntimeException e) {
678 errorLog.setExceptionPosition(instance.getLocation());
684 public void processJavaMethods(ArrayList<JavaMethodDeclaration> javaMethodDeclarations) {
685 for(JavaMethodDeclaration javaMethod : javaMethodDeclarations) {
686 String name = javaMethod.methodName.name;
687 String javaName = name;
688 ArrayList<DAnnotationAst> annotations =
689 valueDefinitionsAst.getAnnotations(name);
690 boolean isPrivate = false;
691 if(annotations != null) {
692 for(DAnnotationAst annotation : annotations)
693 if(annotation.id.text.equals("@JavaName")) {
694 String temp = AnnotationUtils.processStringAnnotation(errorLog, annotation);
698 else if(annotation.id.text.equals("@private")) {
699 AnnotationUtils.processTagAnnotation(errorLog, annotation);
704 Type type = createTypeTranslationContext().toType(javaMethod.type);
706 CallJava callJava = resolveMethod(
708 javaMethod.className,
711 if(callJava != null) {
712 NameExistenceChecks.checkIfValueExists(errorLog, javaMethod.location,
713 importedEnvironment, name);
714 SCLValue value = module.addValue(name, callJava);
715 value.definitionLocation = javaMethod.methodName.location;
717 value.addProperty(PrivateProperty.INSTANCE);
722 public void processRulesets(ArrayList<DRulesetAst> rulesetsAst) {
723 for(DRulesetAst ruleset : rulesetsAst) {
724 String constructorName = "create" + ruleset.name;
725 supplementedTypeAnnotations.add(new SupplementedValueType(ruleset.location, constructorName, Types.functionE(Types.PUNIT, Types.PROC, ruleset.type)));
727 valueDefinitionsAst.add(new DValueAst(new EVar(constructorName), new EPreCHRRulesetConstructor(ruleset)));
728 } catch (NotPatternException e) {
729 throw new InternalCompilerError(ruleset.location, e);
735 * Convert a java class method into a {@link CallJava} instance.
736 * Compilation errors are logged for failures in finding the named class or in accessing the method.
737 * The return value for errors is {@code null}.
739 * @param loc SCL source location
740 * @param className Name of the class
741 * @param methodName Name of the method
742 * @param type The expected SCL type of the method
743 * @return A new JavaCall instance, or null if the given method can not be instantiated.
745 private CallJava resolveMethod(long loc,
746 String className, String methodName, Type type) {
748 ClassRef classRef = classRefs.get(className);
749 if(classRef == null) {
750 if(classRefs.containsKey(className))
752 classRef = javaReferenceValidator.getClassRef(className);
753 classRefs.put(className, classRef);
754 if(classRef == null) {
755 errorLog.log(loc, "Didn't find class " + className + ".");
758 if(!javaReferenceValidator.isPublic(classRef.getClass())) {
759 errorLog.log(loc, "Class " + className + " is not public.");
766 List<MethodRef> methodRefs = classRef.getMethodRefs(methodName);
767 if(methodRefs.isEmpty()) {
768 errorLog.log(loc, "Didn't find any public method or field with name '" + methodName + "' from class " + className + ".");
772 ArrayList<CallJava> candidates = new ArrayList<CallJava>(2);
773 for(MethodRef methodRef : methodRefs) {
774 CallJava candidate = matchType(methodRef, type);
775 if(candidate != null)
776 candidates.add(candidate);
779 if(candidates.isEmpty()) {
780 StringBuilder b = new StringBuilder();
781 b.append("Didn't find any public method or field matching the type " + type + ". The following methods and fields were tried:");
782 for(MethodRef methodRef : methodRefs) {
786 b.append("\nbut expected something like:");
788 MultiFunction mFun = Types.matchFunction(type);
789 b.append("\n public static ");
790 b.append(javaTypeTranslator.toTypeDesc(mFun.returnType).getFullName()).append(' ').append(methodName).append('(');
791 boolean first = true;
792 for(Type parameter : mFun.parameterTypes) {
797 b.append(javaTypeTranslator.toTypeDesc(parameter).getFullName());
801 errorLog.log(loc, b.toString());
804 else if(candidates.size() == 1)
805 return candidates.get(0);
807 // Try to find the best match
808 ArrayList<CallJava> bestCandidates = new ArrayList<CallJava>(candidates.size());
809 loop: for(CallJava candidate : candidates) {
810 Iterator<CallJava> it = bestCandidates.iterator();
811 while(it.hasNext()) {
812 CallJava b = it.next();
813 switch(candidate.compareTo(javaReferenceValidator, b)) {
817 case CallJava.GREATER:
820 case CallJava.INCOMPARABLE:
824 bestCandidates.add(candidate);
827 if(bestCandidates.size() == 1) {
828 // System.out.println("Choose: " + bestCandidates.get(0).getMethodRef());
829 return bestCandidates.get(0);
832 StringBuilder b = new StringBuilder();
833 b.append("Found more than one incomparable public methods the type " + type + ":");
834 for(CallJava callJava : bestCandidates) {
836 b.append(callJava.getMethodRef());
838 errorLog.log(loc, b.toString());
844 private CallJava matchType(MethodRef methodRef, Type type) {
845 //System.out.println("-----------------------------------------------------");
846 //System.out.println("method: " + methodRef);
847 //System.out.println("type: " + type);
849 type = Types.canonical(type);
850 while(type instanceof TForAll)
851 type = Types.canonical(((TForAll)type).type);
853 TypeDesc[] expectedParameterTypes = methodRef.getParameterTypes();
855 ArrayList<Type> parameterTypes = new ArrayList<Type>();
856 Type effect = Types.NO_EFFECTS;
857 Type returnType = type;
859 StackItem[] stackItems = new StackItem[expectedParameterTypes.length];
860 TIntArrayList unresolvedItems = new TIntArrayList();
863 for(int i=0;i<expectedParameterTypes.length;++i) {
865 TypeDesc providedParameterType;
867 if(effect != Types.NO_EFFECTS || !(returnType instanceof TFun)) {
868 while(i < expectedParameterTypes.length)
869 unresolvedItems.add(i++);
872 TFun fun = (TFun)returnType;
873 parameterType = Types.canonical(fun.domain);
874 parameterTypes.add(parameterType);
875 effect = Types.canonical(fun.effect);
876 returnType = Types.canonical(fun.range);
877 providedParameterType = javaTypeTranslator.toTypeDesc(parameterType);
878 } while(providedParameterType.equals(TypeDesc.VOID));
881 TypeDesc expectedParameterType = expectedParameterTypes[i];
882 if(javaReferenceValidator.isAssignableFrom(expectedParameterType,
883 providedParameterType)) {
884 stackItems[i] = new ParameterStackItem(
885 parameterTypes.size()-1,
890 unresolvedItems.add(i++);
891 if(i == expectedParameterTypes.length) {
892 parameterTypes.remove(parameterTypes.size()-1);
893 returnType = Types.functionE(parameterType, effect, returnType);
898 //System.out.println("returnType: " + returnType);
899 if(!unresolvedItems.isEmpty()) {
900 ArrayList<TCon> concreteEffects = new ArrayList<TCon>();
901 effect.collectConcreteEffects(concreteEffects);
903 for(TCon eff : concreteEffects) {
904 EffectConstructor effC = compilationContext.environment.getEffectConstructor(eff);
905 for(ThreadLocalVariable var : effC.getThreadLocalVariables()) {
906 for(int i=0;i<unresolvedItems.size();++i) {
907 int id = unresolvedItems.get(i);
908 if(!expectedParameterTypes[id].equals(TypeDesc.OBJECT) &&
909 javaReferenceValidator.isAssignableFrom(expectedParameterTypes[id], var.type)) {
910 stackItems[id] = new ThreadLocalStackItem(var.variableName, var.type);
911 unresolvedItems.removeAt(i);
918 if(!unresolvedItems.isEmpty())
920 /*System.out.print("Unresolved: ");
921 boolean first = true;
922 for(int i=0;i<unresolvedItems.size();++i) {
926 System.out.print(", ");
927 System.out.print(expectedParameterTypes[unresolvedItems.get(i)]);
929 System.out.println();*/
931 OutputFilter filter = null;
933 TypeDesc providedReturnType = methodRef.getReturnType();
934 if(!providedReturnType.equals(Constants.FUNCTION)) {
935 while(returnType instanceof TFun && effect == Types.NO_EFFECTS) {
936 TFun fun = (TFun)returnType;
937 Type parameterType = Types.canonical(fun.domain);
938 if(!javaTypeTranslator.toTypeDesc(parameterType).equals(TypeDesc.VOID))
940 parameterTypes.add(parameterType);
941 effect = Types.canonical(fun.effect);
942 returnType = Types.canonical(fun.range);
945 TypeDesc expectedReturnType =
946 javaTypeTranslator.toTypeDesc(returnType);
947 if(!javaReferenceValidator.isAssignableFrom(expectedReturnType,
948 providedReturnType)) {
949 if(expectedReturnType.equals(TypeDesc.VOID)) {
950 if(providedReturnType.equals(TypeDesc.DOUBLE) || providedReturnType.equals(TypeDesc.LONG))
951 filter = Pop2OutputFilter.INSTANCE;
953 filter = PopOutputFilter.INSTANCE;
955 else if(expectedReturnType.equals(Constants.LIST)
956 && providedReturnType.equals(Constants.COLLECTION))
957 filter = ConvertToListFilter.INSTANCE;
963 CallJava result = new CallJava(
964 Types.freeVarsArray(type),
967 parameterTypes.toArray(new Type[parameterTypes.size()]),
971 //System.out.println(result.getType());
975 public void processMappingRelations(ArrayList<DMappingRelationAst> mappingRelationsAst) {
976 for(DMappingRelationAst mappingRelation : mappingRelationsAst) {
977 TypeAst[] parameterTypesAst = mappingRelation.parameterTypes;
978 Type[] parameterTypes = new Type[parameterTypesAst.length];
979 TypeTranslationContext typeTranslationContext = createTypeTranslationContext();
980 for(int i=0;i<parameterTypes.length;++i)
981 parameterTypes[i] = parameterTypesAst[i].toType(typeTranslationContext, Kinds.STAR);
982 MappingRelation mRel =
983 new MappingRelation(Name.create(moduleName, mappingRelation.name), parameterTypes);
984 mRel.location = mappingRelation.location;
985 if(module.addMappingRelation(mRel))
986 errorLog.log(mappingRelation.location, "Mapping relation " + mappingRelation.name +
987 " has already been defined.");
991 THashMap<String, DRuleAst> ruleAstMap = new THashMap<String, DRuleAst>();
993 public void processRules(ArrayList<DRuleAst> rulesAst) {
994 // Find implied mapping relations
995 for(DRuleAst ruleA : rulesAst) {
996 ArrayList<Query> whereSection = ruleA.getSections().get("where");
997 if(whereSection != null)
998 for(Query query : whereSection) {
999 if(!(query instanceof QPreGuard))
1001 QPreGuard guard = (QPreGuard)query;
1002 if(!(guard.guard instanceof EApply))
1004 EApply apply = (EApply)guard.guard;
1005 if(!(apply.getFunction() instanceof EVar))
1008 String name = ((EVar)apply.getFunction()).name;
1009 if(module.getMappingRelation(name) != null)
1012 int arity = apply.getParameters().length;
1013 Type[] parameterTypes = new Type[arity];
1014 for(int i=0;i<arity;++i)
1015 parameterTypes[i] = Types.metaVar(Kinds.STAR);
1016 MappingRelation mRel =
1017 new MappingRelation(Name.create(moduleName, name), parameterTypes);
1018 mRel.location = query.location;
1019 module.addMappingRelation(mRel);
1021 if(ruleAstMap.put(ruleA.name, ruleA) != null)
1022 errorLog.log(ruleA.location, "Rule " + ruleA.name +
1023 " has already been defined.");
1027 for(String ruleName : ruleAstMap.keySet())
1028 processRule(ruleName);
1031 private TransformationRule processRule(String ruleName) {
1032 TransformationRule rule = module.getRule(ruleName);
1036 DRuleAst ruleAst = ruleAstMap.get(ruleName);
1037 if(ruleAst.alreadyProcessing) {
1038 errorLog.log(ruleAst.location, "Cyclic chain of rule extensions.");
1042 TransformationRule[] extendsRules;
1043 int length = ruleAst.extendsNames.length;
1045 extendsRules = TransformationRule.EMPTY_ARRAY;
1047 extendsRules = new TransformationRule[length];
1048 for(int i=0;i<length;++i) {
1050 String extendsName = ruleAst.extendsNames[i];
1051 TransformationRule extendsRule;
1052 if(ruleAstMap.containsKey(extendsName))
1053 extendsRule = processRule(extendsName);
1055 extendsRule = Environments.getRule(compilationContext.environment, extendsName);
1056 if(extendsRule == null)
1057 errorLog.log(ruleAst.location,
1058 "Couldn't resolve rule name " + extendsName + ".");
1060 extendsRules[i] = extendsRule;
1061 } catch(AmbiguousNameException e) {
1062 errorLog.log(ruleAst.location, e.getMessage());
1067 final THashMap<SectionName, Query[]> sections = new THashMap<SectionName, Query[]>();
1069 final TranslationContext context = createTranslationContext();
1071 THashMap<String, Variable> variables = context.getVariables();
1072 for(TransformationRule extendsRule : extendsRules) {
1073 if(extendsRule == null)
1075 for(Variable var : extendsRule.variables)
1076 if(variables.put(var.getName(), var) != null) {
1077 errorLog.log(ruleAst.location,
1078 "Variable " + var.getName() + " is defined in more than one base rule, which is not currently allowed.");
1082 context.pushExistentialFrame();
1083 ruleAst.getSections().forEachEntry(new TObjectObjectProcedure<String, ArrayList<Query>>() {
1085 public boolean execute(String sectionNameString, ArrayList<Query> queries) {
1086 Query[] resolvedQueries = new Query[queries.size()];
1087 for(int i=0;i<resolvedQueries.length;++i)
1088 resolvedQueries[i] = queries.get(i).resolve(context);
1090 SectionName sectionName = SectionName.getSectionName(sectionNameString);
1091 if(sectionName == null)
1092 context.getErrorLog().log(queries.get(0).location,
1093 "Invalid section name " + sectionNameString + ".");
1095 sections.put(sectionName, resolvedQueries);
1100 Variable[] variables = context.getVariables().values().toArray(new Variable[context.getVariables().size()]);
1102 rule = new TransformationRule(ruleAst.isAbstract,
1103 Name.create(moduleName, ruleAst.name),
1105 sections, variables);
1106 rule.location = ruleAst.location;
1107 module.addRule(rule);
1111 public void addDataTypesToEnvironment() {
1112 for(StandardTypeConstructor dataType : dataTypes) {
1113 int constructorTag = 0;
1114 for(Constructor constructor : dataType.constructors) {
1115 SCLValue value = new SCLValue(constructor.name);
1116 SCLConstructor sclConstructor =
1118 constructor.name.name,
1119 constructor.javaName,
1120 constructor.getTypeVariables(),
1122 constructor.getReturnType(),
1123 constructor.fieldNames == null
1124 ? SCLConstructor.DEFAULT_FIELD_NAMES[constructor.getParameterTypes().length]
1125 : constructor.fieldNames,
1126 constructor.recordFieldNames,
1127 constructor.getParameterTypes());
1128 if(dataType.constructors.length == 1 && (
1129 dataType.getTypeDesc() == null ||
1130 (dataType.constructors[0].javaName != null &&
1131 dataType.constructors[0].javaName.equals(MethodBuilderBase.getClassName(dataType.getTypeDesc())))))
1132 sclConstructor.setOnlyConstructor(true);
1133 value.setValue(sclConstructor);
1134 value.setType(constructor.getType());
1136 NameExistenceChecks.checkIfValueExists(errorLog, constructor.loc,
1137 importedEnvironment, constructor.name.name);
1138 if(module.addValue(value)) {
1139 errorLog.log(constructor.loc,
1140 "Value " + constructor.name.name + " is already defined.");
1146 public void addTypeClassesToEnvironment() {
1147 for(TypeClass typeClass : module.getTypeClasses()) {
1148 for(TypeClassMethod method : typeClass.methods.values()) {
1149 SCLValue value = method.createValue();
1150 value.definitionLocation = method.location;
1151 NameExistenceChecks.checkIfValueExists(errorLog, Locations.NO_LOCATION,
1152 importedEnvironment, value.getName().name);
1154 if(module.addValue(value)) {
1155 String name = method.getName();
1156 long location = Locations.NO_LOCATION;
1157 ArrayList<DValueAst> definitions = valueDefinitionsAst.getDefinition(name);
1158 if(definitions != null && !definitions.isEmpty())
1159 location = definitions.get(0).location;
1160 errorLog.log(location, "Value " + name + " is already defined.");
1166 public void preprocessValueDefinitions(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1167 for(String name : valueDefinitionsAst.getValueNames()) {
1168 SCLValue value = new SCLValue(Name.create(moduleName, name));
1170 long location = valueDefinitionsAst.getLocation(name);
1171 NameExistenceChecks.checkIfValueExists(errorLog, location,
1172 importedEnvironment, value.getName().name);
1173 value.definitionLocation = location;
1174 if(module.addValue(value))
1175 errorLog.log(location, "Value " + name + " is already defined.");
1176 if(valueDefinitionsAst.isDerived(name))
1177 value.addProperty(DerivedProperty.INSTANCE);
1179 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1180 for(EVar name : valueTypeAst.names) {
1181 SCLValue value = module.getValue(name.name);
1183 errorLog.log(valueTypeAst.location, name.name + " is not defined.");
1184 value = new SCLValue(Name.create(moduleName, name.name));
1185 module.addValue(value);
1187 value.definitionLocation = name.location;
1189 for(String name : relationDefinitionsAst.getRelationNames()) {
1190 ConcreteRelation relation = new ConcreteRelation(name);
1191 module.addRelation(name, relation);
1195 public void addValueDefinitionsToEnvironment(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1196 THashMap<String, DValueTypeAst> typeMap = new THashMap<String, DValueTypeAst>();
1197 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1198 for(EVar name : valueTypeAst.names) {
1199 if(typeMap.containsKey(name.name))
1200 errorLog.log(valueTypeAst.location, "Type of "+name.name+" has already been declared in this module.");
1202 typeMap.put(name.name, valueTypeAst);
1205 THashMap<String, EVar> exportMap = null;
1206 if(moduleHeader != null && moduleHeader.export != null) {
1207 exportMap = new THashMap<String, EVar>();
1208 for(EVar export : moduleHeader.export)
1209 if(exportMap.put(export.name, export) != null)
1210 errorLog.log(export.location, "The symbol " + export.name + " is exported multiple times.");
1213 for(String name : valueDefinitionsAst.getValueNames()) {
1214 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1216 SCLValue value = module.getValue(name);
1217 TranslationContext context = createTranslationContext();
1218 Expression expression = context.translateCases2(defs);
1219 value.setExpression(expression);
1221 DValueTypeAst valueTypeAst = typeMap.remove(name);
1222 if(valueTypeAst != null)
1223 value.setType(Types.closure(context.toType(valueTypeAst.type)));
1225 ArrayList<DAnnotationAst> annotations = valueDefinitionsAst.getAnnotations(name);
1226 if(annotations != null)
1227 for(DAnnotationAst annotation : annotations) {
1228 handleAnnotation(value, defs, annotation);
1230 if(exportMap != null && exportMap.remove(name) == null)
1231 value.addProperty(PrivateProperty.INSTANCE);
1232 } catch(RuntimeException e) {
1233 errorLog.setExceptionPosition(defs.get(0).location);
1237 if(exportMap != null)
1238 for(EVar export : exportMap.values())
1239 errorLog.log(export.location, "The symbol " + export.name + " is not defined in the module.");
1240 for(String name : relationDefinitionsAst.getRelationNames()) {
1241 ArrayList<DRelationAst> definitions = relationDefinitionsAst.getDefinition(name);
1242 if(definitions.size() > 1) {
1243 errorLog.log(definitions.get(1).location,
1244 "Does not yet support definition of relations by more than one rule.");
1248 DRelationAst definition = definitions.get(0);
1249 ConcreteRelation relation = (ConcreteRelation)module.getRelation(name);
1250 relation.location = definition.location;
1251 TranslationContext context = createTranslationContext();
1252 definition.translateTo(context, relation);
1256 private TranslationContext createTranslationContext() {
1257 return new TranslationContext(compilationContext, null);
1260 private void handleAnnotation(SCLValue value, ArrayList<DValueAst> defs, DAnnotationAst annotation) {
1261 if(annotation.id.text.equals("@macro")) {
1262 value.setMacroRule(new StandardMacroRule());
1264 else if(annotation.id.text.equals("@inline")) {
1266 int arity = defs.get(0).lhs.getFunctionDefinitionPatternArity();
1267 int phaseMask = 0xffffffff;
1268 if(annotation.parameters.length > 0) {
1269 phaseMask = Integer.parseInt(((EIntegerLiteral)annotation.parameters[0]).getValue());
1271 value.addProperty(new InlineProperty(arity, phaseMask));
1272 } catch(NotPatternException e) {
1273 errorLog.log(annotation.location, "Inline annotation is invalid: this is not a function.");
1276 else if(annotation.id.text.equals("@private")) {
1277 if(moduleHeader != null && moduleHeader.export != null)
1278 errorLog.log(annotation.location, "Annotation @private is not used when module header contains export property.");
1279 value.addProperty(PrivateProperty.INSTANCE);
1281 else if(annotation.id.text.equals("@deprecated")) {
1282 String description = "";
1283 if(annotation.parameters.length > 0) {
1284 if(annotation.parameters.length > 1)
1285 errorLog.log(annotation.location, "Invalid number of parameters, expected one string.");
1287 String temp = AnnotationUtils.extractString(annotation.parameters[0]);
1289 errorLog.log(annotation.location, "Invalid parameter, expected one string.");
1294 value.addProperty(new DeprecatedProperty(description));
1297 errorLog.log(annotation.location, "Unknown annotation.");
1300 public void addSupplementedTypeAnnotationsToEnvironment() {
1301 for(SupplementedValueType valueType : supplementedTypeAnnotations) {
1302 Type type = Types.closure(valueType.type);
1303 String name = valueType.name;
1304 SCLValue value = module.getValue(name);
1306 errorLog.log(valueType.position,
1307 name + " is not defined.");
1308 else if(value.getType()==null)
1309 value.setType(type);
1311 errorLog.log(valueType.position,
1312 "Type of "+name+" has already been declared in this module.");
1316 public void addFixityToEnvironment(ArrayList<DFixityAst> fixityAst) {
1317 for(DFixityAst fixity : fixityAst) {
1318 for(EVar symbol : fixity.symbols) {
1319 String name = symbol.name;
1320 SCLValue value = module.getValue(name);
1322 errorLog.log(symbol.location,
1323 name + " is not defined.");
1325 value.setPrecedence(fixity.precedence);
1330 public void addCoverageBranchPoints() {
1331 branchPoints = new THashMap<String, BranchPoint[]>();
1332 BranchPointInjector injector = new BranchPointInjector();
1333 for(String valueName : valueDefinitionsAst.getValueNames()) {
1334 for(DValueAst valueAst : valueDefinitionsAst.getDefinition(valueName))
1335 valueAst.value = injector.injectBranchPoint(valueAst.value);
1336 branchPoints.put(valueName, injector.getAndClearBranchPoints());