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 if(moduleHeader != null && moduleHeader.defaultLocalName != null)
173 module.setDefaultLocalName(moduleHeader.defaultLocalName);
176 timer.suspendTimer();
177 importedEnvironment = localEnvironmentFactory.createEnvironment(
178 importsAst.toArray(new ImportDeclaration[importsAst.size()]));
180 timer.continueTimer();
181 compilationContext.environment = new EnvironmentOfModule(importedEnvironment, module);
182 } catch (ImportFailureException e) {
183 for(ImportFailure failure : e.failures)
184 errorLog.log(new CompilationError(failure.location, failure.toString(), ErrorSeverity.IMPORT_ERROR));
187 for(ImportDeclaration importAst : importsAst)
188 this.module.addDependency(new ImportDeclaration(
189 importAst.moduleName,
190 importAst.reexport ? importAst.localName : null,
193 localEnvironmentFactory.addBuiltinDependencies(module);
194 compilationContext.namingPolicy = new JavaNamingPolicy(moduleName);
197 private ArrayList<ImportDeclaration> processRelativeImports(ArrayList<ImportDeclaration> relativeImports) {
198 ArrayList<ImportDeclaration> absoluteImports = new ArrayList<ImportDeclaration>(relativeImports.size());
199 for(ImportDeclaration relativeImport : relativeImports) {
200 if(relativeImport.moduleName.startsWith(".")) {
202 String absoluteModuleName = ModuleUtils.resolveAbsolutePath(moduleName, relativeImport.moduleName);
203 ImportDeclaration absoluteImport = new ImportDeclaration(
204 absoluteModuleName, relativeImport.localName,
205 relativeImport.reexport, relativeImport.spec);
206 absoluteImport.location = relativeImport.location;
207 absoluteImports.add(absoluteImport);
208 } catch (InvalidModulePathException e) {
209 errorLog.log(relativeImport.location, e.getMessage());
213 absoluteImports.add(relativeImport);
215 return absoluteImports;
218 public void addTypesToEnvironment(
219 ArrayList<DDataAst> dataTypesAst,
220 ArrayList<DTypeAst> typeAliasesAst,
221 ArrayList<DEffectAst> effectsAst,
222 ArrayList<DRulesetAst> rulesetsAst) {
223 for(DDataAst dataType : dataTypesAst) {
224 dataType.parameterKinds = new Kind[dataType.parameters.length];
225 Kind constructorKind = Kinds.STAR;
226 for(int i=dataType.parameters.length-1;i>=0;--i) {
227 Kind kind = Kinds.metaVar();
228 dataType.parameterKinds[i] = kind;
229 constructorKind = Kinds.arrow(kind, constructorKind);
232 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(
233 Types.con(moduleName, dataType.name), constructorKind);
235 NameExistenceChecks.checkIfTypeExists(errorLog,
236 dataType.location, importedEnvironment, dataType.name);
237 addTypeDescriptor(dataType.location, dataType.name, typeConstructor);
238 dataType.typeConstructor = typeConstructor;
241 for(DTypeAst typeAlias : typeAliasesAst) {
242 TypeAlias alias = new TypeAlias(Types.con(moduleName, typeAlias.name), typeAlias.parameters.length);
243 NameExistenceChecks.checkIfTypeExists(errorLog,
244 typeAlias.location, importedEnvironment, typeAlias.name);
245 addTypeDescriptor(typeAlias.location, typeAlias.name, alias);
248 for(DEffectAst effect : effectsAst) {
249 EffectConstructor effectConstructor = new EffectConstructor(Types.con(moduleName, effect.name));
250 effectConstructor.addThreadLocalVariable(
251 new ThreadLocalVariable(
253 TypeDesc.forClass(effect.threadLocalType)
255 if(module.addEffectConstructor(effect.name, effectConstructor))
256 errorLog.log(effect.location, "Effect "+effect.name+" has already been defined in this module.");
258 for(DRulesetAst ruleset : rulesetsAst) {
259 ruleset.type = Types.con(moduleName, ruleset.name);
260 ruleset.className = compilationContext.namingPolicy.getDataTypeClassName(ruleset.name);
261 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(ruleset.type, Kinds.STAR,
262 TypeDesc.forClass(ruleset.className), ruleset.documentation == null ? null : ruleset.documentation.documentation);
263 typeConstructor.external = true;
264 addTypeDescriptor(ruleset.location, ruleset.name, typeConstructor);
266 javaTypeTranslator = new JavaTypeTranslator(compilationContext.environment);
267 compilationContext.javaTypeTranslator = javaTypeTranslator;
270 private void addTypeDescriptor(long location, String name, TypeDescriptor typeDescriptor) {
271 if(module.addTypeDescriptor(name, typeDescriptor))
272 errorLog.log(location, "Type "+name+" has already been defined in this module.");
275 private static final int[] EMPTY_INT_ARRAY = new int[0];
277 public void processTypeAliases(ArrayList<DTypeAst> typeAliasesAst) {
278 TObjectIntHashMap<String> typeAliasMap = new TObjectIntHashMap<String>();
279 for(int i=0;i<typeAliasesAst.size();++i)
280 typeAliasMap.put(typeAliasesAst.get(i).name, i);
281 TIntHashSet tempIntSet = new TIntHashSet();
282 ArrayList<DTypeAst> orderedTypeAliases = new ArrayList<DTypeAst>(typeAliasesAst.size());
283 //for(int i=0;i<typeAliasesAst.size();++i)
284 // System.out.println(i + "# " + typeAliasesAst.get(i).name);
285 new StronglyConnectedComponents(typeAliasesAst.size()) {
287 protected int[] findDependencies(int u) {
288 typeAliasesAst.get(u).type.collectReferences(typeAliasMap, tempIntSet);
289 if(tempIntSet.isEmpty())
290 return EMPTY_INT_ARRAY;
291 if(tempIntSet.contains(u)) {
292 errorLog.log(typeAliasesAst.get(u).location, "Type alias has a self reference.");
293 tempIntSet.remove(u);
295 int[] result = tempIntSet.toArray();
297 //System.out.println(u + " -> " + Arrays.toString(result));
301 protected void reportComponent(int[] component) {
302 //System.out.println("component: " + Arrays.toString(component));
303 if(component.length > 1) {
304 StringBuilder b = new StringBuilder();
305 b.append("Recursively defined type alias (");
306 long minLocation = typeAliasesAst.get(component[0]).location;
307 boolean first = true;
308 for(int u : component) {
309 DTypeAst typeAlias = typeAliasesAst.get(u);
314 b.append(typeAlias.name);
315 if(Locations.beginOf(typeAlias.location) < Locations.beginOf(minLocation))
316 minLocation = typeAlias.location;
319 errorLog.log(minLocation, b.toString());
322 orderedTypeAliases.add(typeAliasesAst.get(component[0]));
326 if(errorLog.hasNoErrors()) {
327 for(DTypeAst typeAlias : orderedTypeAliases) {
328 TypeAlias alias = (TypeAlias)module.getTypeDescriptor(typeAlias.name);
329 TypeTranslationContext context = createTypeTranslationContext();
330 for(int i=0;i<typeAlias.parameters.length;++i)
331 context.pushTypeVar(typeAlias.parameters[i]);
332 alias.body = typeAlias.type.toType(context, Kinds.metaVar());
333 for(int i=0;i<typeAlias.parameters.length;++i)
334 alias.parameters[i] = context.popTypeVar(typeAlias.parameters[i], null);
339 public void processDataTypes(ArrayList<DDataAst> dataTypesAst) {
340 ArrayList<Runnable> fieldAccessorGenerators = new ArrayList<Runnable>();
341 for(DDataAst dataTypeAst : dataTypesAst) {
342 TypeTranslationContext context = createTypeTranslationContext();
343 TVar[] typeParameters = new TVar[dataTypeAst.parameters.length];
344 for(int i=0;i<dataTypeAst.parameters.length;++i)
345 typeParameters[i] = context.addTypeVar(dataTypeAst.parameters[i]);
346 Constructor[] constructors = new Constructor[dataTypeAst.constructors.length];
347 String className = null;
348 boolean external = false;
349 for(DAnnotationAst annotation : dataTypeAst.getAnnotations()) {
350 if(annotation.id.text.equals("@JavaType")) {
351 if(annotation.parameters.length != 1 ||
352 !(annotation.parameters[0] instanceof ELiteral) ||
353 !(((ELiteral)annotation.parameters[0]).getValue() instanceof StringConstant))
354 errorLog.log(annotation.location, "Invalid parameters. Expected @JavaType \"className\".");
356 className = ((StringConstant)((ELiteral)annotation.parameters[0]).getValue()).getValue().replace('.', '/');
363 boolean trivialDataType = dataTypeAst.constructors.length == 1 &&
364 dataTypeAst.constructors[0].parameters.length == 1;
365 if(className == null && !trivialDataType)
366 className = compilationContext.namingPolicy.getDataTypeClassName(dataTypeAst.name);
368 StandardTypeConstructor dataType = dataTypeAst.typeConstructor;
370 dataType.setType(Types.con(moduleName, dataTypeAst.name), typeParameters);
371 dataType.setConstructors(constructors);
373 dataType.setTypeDesc(TypeDesc.forClass(className));
374 if(!external || dataTypeAst.constructors.length > 0) {
375 dataType.isOpen = false;
377 dataType.external = external;
378 dataTypes.add(dataType);
379 for(int j=0;j<constructors.length;++j) {
380 ConstructorAst constructor = dataTypeAst.constructors[j];
381 String name = constructor.name.text;
382 Type[] parameterTypes = new Type[constructor.parameters.length];
383 for(int i=constructor.parameters.length-1;i>=0;--i)
384 parameterTypes[i] = context.toType(constructor.parameters[i]);
385 String javaName = constructors.length == 1 ? className
386 : compilationContext.namingPolicy.getConstructorClassName(name);
387 String[] fieldNames = null;
388 for(DAnnotationAst annotation : constructor.annotations)
389 if(annotation.id.text.equals("@JavaType")) {
391 javaName = ((StringConstant)((ELiteral)annotation.parameters[0])
392 .getValue()).getValue();
393 } catch(Exception e) {
394 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
397 else if(annotation.id.text.equals("@FieldNames")) {
399 EListLiteral literal = (EListLiteral)annotation.parameters[0];
400 fieldNames = new String[literal.getComponents().length];
401 for(int i=0;i<fieldNames.length;++i) {
402 Expression component = literal.getComponents()[i];
403 if(component instanceof EVar)
404 fieldNames[i] = ((EVar)component).name;
405 else if(component instanceof ELiteral)
406 fieldNames[i] = ((StringConstant)((ELiteral)component).getValue()).getValue();
408 } catch(Exception e) {
409 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
414 constructors[j] = new Constructor(constructor.location, dataType,
415 Name.create(moduleName, name),
416 parameterTypes, javaName);
417 constructors[j].fieldNames = fieldNames;
418 constructors[j].recordFieldNames = constructor.fieldNames;
420 if(constructors.length == 1) {
421 Constructor constructor = constructors[0];
422 if(constructor.recordFieldNames != null) {
423 fieldAccessorGenerators.add(new Runnable() {
426 Type in = Types.apply(dataType.name, dataType.parameters);
427 for(int i=0;i<constructor.recordFieldNames.length;++i) {
428 Type out = constructor.parameterTypes[i];
431 accessor = new SafeCoerce(dataType.parameters, in, out);
433 accessor = new CallJava(dataType.parameters, Types.NO_EFFECTS, out,
434 new Type[] {in}, new StackItem[] {new ParameterStackItem(0, in)},
435 new FieldRef(constructor.javaName, constructor.fieldNames != null ? constructor.fieldNames[i] : "c" + i,
436 javaTypeTranslator.toTypeDesc(out)),
438 module.addFieldAccessor(constructor.recordFieldNames[i], accessor);
446 for(Runnable fieldAccessorGenerator : fieldAccessorGenerators)
447 fieldAccessorGenerator.run();
450 public void processTypeClasses(ArrayList<ProcessedDClassAst> typeClassesAst) {
451 for(ProcessedDClassAst pClassAst : typeClassesAst) {
452 DClassAst classAst = pClassAst.orig;
454 if(module.getTypeClass(classAst.name) != null) {
455 errorLog.log(classAst.location, "Class "+classAst.name+" has already been defined in this module.");
459 TypeTranslationContext context = createTypeTranslationContext();
461 TPred[] classContext = new TPred[classAst.context.length];
462 for(int i=0;i<classContext.length;++i)
463 classContext[i] = context.toTFuncApply(classAst.context[i]);
465 TVar[] parameters = new TVar[classAst.parameters.length];
467 if(classAst.name.equals("Functor") || classAst.name.equals("Monad")) {
469 parameters[0] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[0], Kinds.STAR_TO_STAR);
472 for(int i=0;i<parameters.length;++i)
473 parameters[i] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[i], Kinds.metaVar());
476 TCon con = Types.con(moduleName, classAst.name);
477 TypeClass typeClass = new TypeClass(classAst.location,
480 compilationContext.namingPolicy.getTypeClassInterfaceName(con),
482 Fundep.mapFundeps(classAst.parameters, classAst.fundeps));
484 THashMap<String, TypeClassMethod> methods = typeClass.methods;
485 for(DValueTypeAst methodDecl : pClassAst.typeDeclarations) {
489 type = context.toType(methodDecl.type);
490 } catch(SCLSyntaxErrorException e) {
491 errorLog.log(e.location, e.getMessage());
494 for(EVar name : methodDecl.names) {
495 typeClass.methodNames.add(name.name);
496 methods.put(name.name,
497 new TypeClassMethod(typeClass, name.name,
498 compilationContext.namingPolicy.getMethodName(name.name),
499 type, Types.getArity(type),
503 } catch(RuntimeException e) {
504 errorLog.setExceptionPosition(methodDecl.location);
509 for(String methodName : pClassAst.defaultImplementations.getValueNames()) {
510 String fullName = "_" + classAst.name + "_default_" + methodName;
511 ArrayList<DValueAst> defs = pClassAst.defaultImplementations.getDefinition(methodName);
513 TypeClassMethod method = typeClass.methods.get(methodName);
515 errorLog.log(defs.get(0).location, "Method " + methodName + " is not defined in this class.");
518 method.setDefaultImplementation(Name.create(moduleName, fullName));
520 valueDefinitionsAst.addDefinitions(fullName, defs);
521 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
522 Collections.<Expression>emptyList()));*/
523 supplementedTypeAnnotations.add(new SupplementedValueType(defs.get(0).location, fullName, method.getType()));
526 module.addTypeClass(classAst.name, typeClass);
530 private TypeTranslationContext createTypeTranslationContext() {
531 return new TypeTranslationContext(compilationContext);
534 public void processDerivingInstances(ArrayList<DDerivingInstanceAst> derivingInstancesAst,
535 ArrayList<ProcessedDInstanceAst> instancesAst) {
536 for(DDerivingInstanceAst derivingInstance : derivingInstancesAst) {
537 String name = derivingInstance.name.name;
540 con = Environments.getTypeClassName(compilationContext.environment, name);
541 } catch (AmbiguousNameException e) {
542 errorLog.log(derivingInstance.name.location, e.getMessage());
546 errorLog.log(derivingInstance.name.location, "Couldn't resolve class " + name + ".");
549 InstanceDeriver deriver = InstanceDerivers.get(con);
551 errorLog.log(derivingInstance.location, "Doesn't know how to derive " + name + ".");
553 deriver.derive(errorLog, compilationContext.environment, instancesAst, derivingInstance);
557 public void processInstances(ArrayList<ProcessedDInstanceAst> instancesAst) {
558 THashSet<TPred> instanceClashCheckSet = new THashSet<TPred>();
559 for(ProcessedDInstanceAst pInstanceAst : instancesAst) {
560 DInstanceAst instanceAst = pInstanceAst.orig;
562 TypeTranslationContext context = createTypeTranslationContext();
564 String name = instanceAst.name.name;
567 typeClassCon = Environments.getTypeClassName(compilationContext.environment, name);
568 } catch (AmbiguousNameException e) {
569 errorLog.log(instanceAst.name.location, e.getMessage());
572 if(typeClassCon == null) {
573 errorLog.log(instanceAst.name.location, "Couldn't resolve class " + name + ".");
576 TypeClass typeClass = compilationContext.environment.getTypeClass(typeClassCon);
577 pInstanceAst.typeClass = typeClass;
579 if(instanceAst.types.length != typeClass.parameters.length) {
580 errorLog.log(instanceAst.location, "Wrong number of parameters to type class " + typeClassCon.name + ".");
583 Type[] parameters = new Type[instanceAst.types.length];
584 for(int i=0;i<parameters.length;++i)
585 parameters[i] = context.toType(instanceAst.types[i], typeClass.parameters[i].getKind() /* FIXME */);
586 TPred instance = Types.pred(typeClassCon, parameters);
588 if(!instanceClashCheckSet.add(instance)) {
589 errorLog.log(instanceAst.location, "Duplicate definition of the instance " + instance + ".");
593 TPred[] instanceContext = new TPred[instanceAst.context.length];
594 for(int i=0;i<instanceContext.length;++i)
595 instanceContext[i] = context.toTFuncApply(instanceAst.context[i]);
597 String javaName = compilationContext.namingPolicy.getInstanceClassName(instance);
598 String instancePrefix = instance.toName() + "$";
600 ValueRepository valueDefs = pInstanceAst.valueDefs;
602 THashMap<String, MethodImplementation> methodImplementations =
603 new THashMap<String, MethodImplementation>();
604 for(String valueName : valueDefs.getValueNames()) {
605 String fullName = instancePrefix + valueName;
606 long loc = valueDefs.getDefinition(valueName).get(0).location;
607 valueDefinitionsAst.addFrom(valueDefs, valueName, fullName);
608 valueDefinitionsAst.setDerived(fullName);
609 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
610 Collections.<Expression>emptyList()));*/
611 TypeClassMethod method = typeClass.methods.get(valueName);
613 errorLog.log(loc, "Method " + valueName + " is not defined in the type class " + typeClass.name.name + ".");
616 Type type = method.getBaseType().replace(typeClass.parameters, parameters);
617 for(int i=instanceContext.length-1;i>=0;--i)
618 type = Types.constrained(instanceContext[i], type);
619 //System.out.println(valueName + " :: " + type);
620 supplementedTypeAnnotations.add(
621 new SupplementedValueType(loc, fullName, type));
622 methodImplementations.put(valueName,
623 new MethodImplementation(Name.create(moduleName, fullName), false));
626 // Are all necessary methods defined
627 for(String methodName : typeClass.methods.keySet())
628 if(!methodImplementations.containsKey(methodName)) {
629 Name defaultImplementation = typeClass.methods.get(methodName).getDefaultImplementation();
630 if(defaultImplementation == null)
631 errorLog.log(instanceAst.location, "Method " + methodName + " is not defined.");
633 methodImplementations.put(methodName,
634 new MethodImplementation(defaultImplementation, true));
637 JavaTypeInstanceConstructor generator = new JavaTypeInstanceConstructor(javaName, instance, instanceContext);
638 if(instanceContext.length == 0)
639 generator.setHasStaticInstance(true);
641 TypeClassInstance typeClassInstance =
642 new TypeClassInstance(instanceAst.location, typeClass, generator,
643 generator.getTypeParameters(),
644 instanceContext, instance, methodImplementations,
647 generator.setInstance(typeClassInstance);
649 module.addTypeClassInstance(typeClassCon, typeClassInstance);
650 } catch(RuntimeException e) {
651 errorLog.setExceptionPosition(instanceAst.location);
656 // Generate superclass functions
657 for(ArrayList<TypeClassInstance> instanceArray : module.getTypeInstances().values())
658 for(TypeClassInstance instance : instanceArray) {
660 TypeClass typeClass = instance.typeClass;
661 int superCount = typeClass.context.length;
663 instance.superExpressions = new SCLValue[superCount];
664 for(int i=0;i<superCount;++i) {
665 TPred type = (TPred)typeClass.context[i]
666 .replace(typeClass.parameters, instance.instance.parameters);
667 SCLValue value = new SCLValue(Name.create(moduleName,
668 instance.javaName.substring(instance.javaName.indexOf('$')+1) + "_super" + i));
669 //value.addProperty(PrivateProperty.INSTANCE);
670 module.addValue(value);
671 Expression expression = new EGetConstraint(instance.location, type);
672 value.setExpression(expression);
673 value.setType(Types.forAll(instance.generatorParameters, Types.constrained(instance.context, type)));
674 value.getProperties().add(new InlineProperty(instance.context.length, 0xffffffff));
675 //TypeUnparsingContext tuc = new TypeUnparsingContext();
676 // TODO error handling
677 instance.superExpressions[i] = value;
679 } catch(RuntimeException e) {
680 errorLog.setExceptionPosition(instance.getLocation());
686 public void processJavaMethods(ArrayList<JavaMethodDeclaration> javaMethodDeclarations) {
687 for(JavaMethodDeclaration javaMethod : javaMethodDeclarations) {
688 String name = javaMethod.methodName.name;
689 String javaName = name;
690 ArrayList<DAnnotationAst> annotations =
691 valueDefinitionsAst.getAnnotations(name);
692 boolean isPrivate = false;
693 if(annotations != null) {
694 for(DAnnotationAst annotation : annotations)
695 if(annotation.id.text.equals("@JavaName")) {
696 String temp = AnnotationUtils.processStringAnnotation(errorLog, annotation);
700 else if(annotation.id.text.equals("@private")) {
701 AnnotationUtils.processTagAnnotation(errorLog, annotation);
706 Type type = createTypeTranslationContext().toType(javaMethod.type);
708 CallJava callJava = resolveMethod(
710 javaMethod.className,
713 if(callJava != null) {
714 NameExistenceChecks.checkIfValueExists(errorLog, javaMethod.location,
715 importedEnvironment, name);
716 SCLValue value = module.addValue(name, callJava);
717 value.definitionLocation = javaMethod.methodName.location;
719 value.addProperty(PrivateProperty.INSTANCE);
724 public void processRulesets(ArrayList<DRulesetAst> rulesetsAst) {
725 for(DRulesetAst ruleset : rulesetsAst) {
726 String constructorName = "create" + ruleset.name;
727 supplementedTypeAnnotations.add(new SupplementedValueType(ruleset.location, constructorName, Types.functionE(Types.PUNIT, Types.PROC, ruleset.type)));
729 valueDefinitionsAst.add(new DValueAst(new EVar(constructorName), new EPreCHRRulesetConstructor(ruleset)));
730 } catch (NotPatternException e) {
731 throw new InternalCompilerError(ruleset.location, e);
737 * Convert a java class method into a {@link CallJava} instance.
738 * Compilation errors are logged for failures in finding the named class or in accessing the method.
739 * The return value for errors is {@code null}.
741 * @param loc SCL source location
742 * @param className Name of the class
743 * @param methodName Name of the method
744 * @param type The expected SCL type of the method
745 * @return A new JavaCall instance, or null if the given method can not be instantiated.
747 private CallJava resolveMethod(long loc,
748 String className, String methodName, Type type) {
750 ClassRef classRef = classRefs.get(className);
751 if(classRef == null) {
752 if(classRefs.containsKey(className))
754 classRef = javaReferenceValidator.getClassRef(className);
755 classRefs.put(className, classRef);
756 if(classRef == null) {
757 errorLog.log(loc, "Didn't find class " + className + ".");
760 if(!javaReferenceValidator.isPublic(classRef.getClass())) {
761 errorLog.log(loc, "Class " + className + " is not public.");
768 List<MethodRef> methodRefs = classRef.getMethodRefs(methodName);
769 if(methodRefs.isEmpty()) {
770 errorLog.log(loc, "Didn't find any public method or field with name '" + methodName + "' from class " + className + ".");
774 ArrayList<CallJava> candidates = new ArrayList<CallJava>(2);
775 for(MethodRef methodRef : methodRefs) {
776 CallJava candidate = matchType(methodRef, type);
777 if(candidate != null)
778 candidates.add(candidate);
781 if(candidates.isEmpty()) {
782 StringBuilder b = new StringBuilder();
783 b.append("Didn't find any public method or field matching the type " + type + ". The following methods and fields were tried:");
784 for(MethodRef methodRef : methodRefs) {
788 b.append("\nbut expected something like:");
790 MultiFunction mFun = Types.matchFunction(type);
791 b.append("\n public static ");
792 b.append(javaTypeTranslator.toTypeDesc(mFun.returnType).getFullName()).append(' ').append(methodName).append('(');
793 boolean first = true;
794 for(Type parameter : mFun.parameterTypes) {
799 b.append(javaTypeTranslator.toTypeDesc(parameter).getFullName());
803 errorLog.log(loc, b.toString());
806 else if(candidates.size() == 1)
807 return candidates.get(0);
809 // Try to find the best match
810 ArrayList<CallJava> bestCandidates = new ArrayList<CallJava>(candidates.size());
811 loop: for(CallJava candidate : candidates) {
812 Iterator<CallJava> it = bestCandidates.iterator();
813 while(it.hasNext()) {
814 CallJava b = it.next();
815 switch(candidate.compareTo(javaReferenceValidator, b)) {
819 case CallJava.GREATER:
822 case CallJava.INCOMPARABLE:
826 bestCandidates.add(candidate);
829 if(bestCandidates.size() == 1) {
830 // System.out.println("Choose: " + bestCandidates.get(0).getMethodRef());
831 return bestCandidates.get(0);
834 StringBuilder b = new StringBuilder();
835 b.append("Found more than one incomparable public methods the type " + type + ":");
836 for(CallJava callJava : bestCandidates) {
838 b.append(callJava.getMethodRef());
840 errorLog.log(loc, b.toString());
846 private CallJava matchType(MethodRef methodRef, Type type) {
847 //System.out.println("-----------------------------------------------------");
848 //System.out.println("method: " + methodRef);
849 //System.out.println("type: " + type);
851 type = Types.canonical(type);
852 while(type instanceof TForAll)
853 type = Types.canonical(((TForAll)type).type);
855 TypeDesc[] expectedParameterTypes = methodRef.getParameterTypes();
857 ArrayList<Type> parameterTypes = new ArrayList<Type>();
858 Type effect = Types.NO_EFFECTS;
859 Type returnType = type;
861 StackItem[] stackItems = new StackItem[expectedParameterTypes.length];
862 TIntArrayList unresolvedItems = new TIntArrayList();
865 for(int i=0;i<expectedParameterTypes.length;++i) {
867 TypeDesc providedParameterType;
869 if(effect != Types.NO_EFFECTS || !(returnType instanceof TFun)) {
870 while(i < expectedParameterTypes.length)
871 unresolvedItems.add(i++);
874 TFun fun = (TFun)returnType;
875 parameterType = Types.canonical(fun.domain);
876 parameterTypes.add(parameterType);
877 effect = Types.canonical(fun.effect);
878 returnType = Types.canonical(fun.range);
879 providedParameterType = javaTypeTranslator.toTypeDesc(parameterType);
880 } while(providedParameterType.equals(TypeDesc.VOID));
883 TypeDesc expectedParameterType = expectedParameterTypes[i];
884 if(javaReferenceValidator.isAssignableFrom(expectedParameterType,
885 providedParameterType)) {
886 stackItems[i] = new ParameterStackItem(
887 parameterTypes.size()-1,
892 unresolvedItems.add(i++);
893 if(i == expectedParameterTypes.length) {
894 parameterTypes.remove(parameterTypes.size()-1);
895 returnType = Types.functionE(parameterType, effect, returnType);
900 //System.out.println("returnType: " + returnType);
901 if(!unresolvedItems.isEmpty()) {
902 ArrayList<TCon> concreteEffects = new ArrayList<TCon>();
903 effect.collectConcreteEffects(concreteEffects);
905 for(TCon eff : concreteEffects) {
906 EffectConstructor effC = compilationContext.environment.getEffectConstructor(eff);
907 for(ThreadLocalVariable var : effC.getThreadLocalVariables()) {
908 for(int i=0;i<unresolvedItems.size();++i) {
909 int id = unresolvedItems.get(i);
910 if(!expectedParameterTypes[id].equals(TypeDesc.OBJECT) &&
911 javaReferenceValidator.isAssignableFrom(expectedParameterTypes[id], var.type)) {
912 stackItems[id] = new ThreadLocalStackItem(var.variableName, var.type);
913 unresolvedItems.removeAt(i);
920 if(!unresolvedItems.isEmpty())
922 /*System.out.print("Unresolved: ");
923 boolean first = true;
924 for(int i=0;i<unresolvedItems.size();++i) {
928 System.out.print(", ");
929 System.out.print(expectedParameterTypes[unresolvedItems.get(i)]);
931 System.out.println();*/
933 OutputFilter filter = null;
935 TypeDesc providedReturnType = methodRef.getReturnType();
936 if(!providedReturnType.equals(Constants.FUNCTION)) {
937 while(returnType instanceof TFun && effect == Types.NO_EFFECTS) {
938 TFun fun = (TFun)returnType;
939 Type parameterType = Types.canonical(fun.domain);
940 if(!javaTypeTranslator.toTypeDesc(parameterType).equals(TypeDesc.VOID))
942 parameterTypes.add(parameterType);
943 effect = Types.canonical(fun.effect);
944 returnType = Types.canonical(fun.range);
947 TypeDesc expectedReturnType =
948 javaTypeTranslator.toTypeDesc(returnType);
949 if(!javaReferenceValidator.isAssignableFrom(expectedReturnType,
950 providedReturnType)) {
951 if(expectedReturnType.equals(TypeDesc.VOID)) {
952 if(providedReturnType.equals(TypeDesc.DOUBLE) || providedReturnType.equals(TypeDesc.LONG))
953 filter = Pop2OutputFilter.INSTANCE;
955 filter = PopOutputFilter.INSTANCE;
957 else if(expectedReturnType.equals(Constants.LIST)
958 && providedReturnType.equals(Constants.COLLECTION))
959 filter = ConvertToListFilter.INSTANCE;
965 CallJava result = new CallJava(
966 Types.freeVarsArray(type),
969 parameterTypes.toArray(new Type[parameterTypes.size()]),
973 //System.out.println(result.getType());
977 public void processMappingRelations(ArrayList<DMappingRelationAst> mappingRelationsAst) {
978 for(DMappingRelationAst mappingRelation : mappingRelationsAst) {
979 TypeAst[] parameterTypesAst = mappingRelation.parameterTypes;
980 Type[] parameterTypes = new Type[parameterTypesAst.length];
981 TypeTranslationContext typeTranslationContext = createTypeTranslationContext();
982 for(int i=0;i<parameterTypes.length;++i)
983 parameterTypes[i] = parameterTypesAst[i].toType(typeTranslationContext, Kinds.STAR);
984 MappingRelation mRel =
985 new MappingRelation(Name.create(moduleName, mappingRelation.name), parameterTypes);
986 mRel.location = mappingRelation.location;
987 if(module.addMappingRelation(mRel))
988 errorLog.log(mappingRelation.location, "Mapping relation " + mappingRelation.name +
989 " has already been defined.");
993 THashMap<String, DRuleAst> ruleAstMap = new THashMap<String, DRuleAst>();
995 public void processRules(ArrayList<DRuleAst> rulesAst) {
996 // Find implied mapping relations
997 for(DRuleAst ruleA : rulesAst) {
998 ArrayList<Query> whereSection = ruleA.getSections().get("where");
999 if(whereSection != null)
1000 for(Query query : whereSection) {
1001 if(!(query instanceof QPreGuard))
1003 QPreGuard guard = (QPreGuard)query;
1004 if(!(guard.guard instanceof EApply))
1006 EApply apply = (EApply)guard.guard;
1007 if(!(apply.getFunction() instanceof EVar))
1010 String name = ((EVar)apply.getFunction()).name;
1011 if(module.getMappingRelation(name) != null)
1014 int arity = apply.getParameters().length;
1015 Type[] parameterTypes = new Type[arity];
1016 for(int i=0;i<arity;++i)
1017 parameterTypes[i] = Types.metaVar(Kinds.STAR);
1018 MappingRelation mRel =
1019 new MappingRelation(Name.create(moduleName, name), parameterTypes);
1020 mRel.location = query.location;
1021 module.addMappingRelation(mRel);
1023 if(ruleAstMap.put(ruleA.name, ruleA) != null)
1024 errorLog.log(ruleA.location, "Rule " + ruleA.name +
1025 " has already been defined.");
1029 for(String ruleName : ruleAstMap.keySet())
1030 processRule(ruleName);
1033 private TransformationRule processRule(String ruleName) {
1034 TransformationRule rule = module.getRule(ruleName);
1038 DRuleAst ruleAst = ruleAstMap.get(ruleName);
1039 if(ruleAst.alreadyProcessing) {
1040 errorLog.log(ruleAst.location, "Cyclic chain of rule extensions.");
1044 TransformationRule[] extendsRules;
1045 int length = ruleAst.extendsNames.length;
1047 extendsRules = TransformationRule.EMPTY_ARRAY;
1049 extendsRules = new TransformationRule[length];
1050 for(int i=0;i<length;++i) {
1052 String extendsName = ruleAst.extendsNames[i];
1053 TransformationRule extendsRule;
1054 if(ruleAstMap.containsKey(extendsName))
1055 extendsRule = processRule(extendsName);
1057 extendsRule = Environments.getRule(compilationContext.environment, extendsName);
1058 if(extendsRule == null)
1059 errorLog.log(ruleAst.location,
1060 "Couldn't resolve rule name " + extendsName + ".");
1062 extendsRules[i] = extendsRule;
1063 } catch(AmbiguousNameException e) {
1064 errorLog.log(ruleAst.location, e.getMessage());
1069 final THashMap<SectionName, Query[]> sections = new THashMap<SectionName, Query[]>();
1071 final TranslationContext context = createTranslationContext();
1073 THashMap<String, Variable> variables = context.getVariables();
1074 for(TransformationRule extendsRule : extendsRules) {
1075 if(extendsRule == null)
1077 for(Variable var : extendsRule.variables)
1078 if(variables.put(var.getName(), var) != null) {
1079 errorLog.log(ruleAst.location,
1080 "Variable " + var.getName() + " is defined in more than one base rule, which is not currently allowed.");
1084 context.pushExistentialFrame();
1085 ruleAst.getSections().forEachEntry(new TObjectObjectProcedure<String, ArrayList<Query>>() {
1087 public boolean execute(String sectionNameString, ArrayList<Query> queries) {
1088 Query[] resolvedQueries = new Query[queries.size()];
1089 for(int i=0;i<resolvedQueries.length;++i)
1090 resolvedQueries[i] = queries.get(i).resolve(context);
1092 SectionName sectionName = SectionName.getSectionName(sectionNameString);
1093 if(sectionName == null)
1094 context.getErrorLog().log(queries.get(0).location,
1095 "Invalid section name " + sectionNameString + ".");
1097 sections.put(sectionName, resolvedQueries);
1102 Variable[] variables = context.getVariables().values().toArray(new Variable[context.getVariables().size()]);
1104 rule = new TransformationRule(ruleAst.isAbstract,
1105 Name.create(moduleName, ruleAst.name),
1107 sections, variables);
1108 rule.location = ruleAst.location;
1109 module.addRule(rule);
1113 public void addDataTypesToEnvironment() {
1114 for(StandardTypeConstructor dataType : dataTypes) {
1115 int constructorTag = 0;
1116 for(Constructor constructor : dataType.constructors) {
1117 SCLValue value = new SCLValue(constructor.name);
1118 value.definitionLocation = constructor.loc;
1119 SCLConstructor sclConstructor =
1121 constructor.name.name,
1122 constructor.javaName,
1123 constructor.getTypeVariables(),
1125 constructor.getReturnType(),
1126 constructor.fieldNames == null
1127 ? SCLConstructor.DEFAULT_FIELD_NAMES[constructor.getParameterTypes().length]
1128 : constructor.fieldNames,
1129 constructor.recordFieldNames,
1130 constructor.getParameterTypes());
1131 if(dataType.constructors.length == 1 && (
1132 dataType.getTypeDesc() == null ||
1133 (dataType.constructors[0].javaName != null &&
1134 dataType.constructors[0].javaName.equals(MethodBuilderBase.getClassName(dataType.getTypeDesc())))))
1135 sclConstructor.setOnlyConstructor(true);
1136 value.setValue(sclConstructor);
1137 value.setType(constructor.getType());
1139 NameExistenceChecks.checkIfValueExists(errorLog, constructor.loc,
1140 importedEnvironment, constructor.name.name);
1141 if(module.addValue(value)) {
1142 errorLog.log(constructor.loc,
1143 "Value " + constructor.name.name + " is already defined.");
1149 public void addTypeClassesToEnvironment() {
1150 for(TypeClass typeClass : module.getTypeClasses()) {
1151 for(TypeClassMethod method : typeClass.methods.values()) {
1152 SCLValue value = method.createValue();
1153 value.definitionLocation = method.location;
1154 NameExistenceChecks.checkIfValueExists(errorLog, Locations.NO_LOCATION,
1155 importedEnvironment, value.getName().name);
1157 if(module.addValue(value)) {
1158 String name = method.getName();
1159 long location = Locations.NO_LOCATION;
1160 ArrayList<DValueAst> definitions = valueDefinitionsAst.getDefinition(name);
1161 if(definitions != null && !definitions.isEmpty())
1162 location = definitions.get(0).location;
1163 errorLog.log(location, "Value " + name + " is already defined.");
1169 public void preprocessValueDefinitions(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1170 for(String name : valueDefinitionsAst.getValueNames()) {
1171 SCLValue value = new SCLValue(Name.create(moduleName, name));
1173 long location = valueDefinitionsAst.getLocation(name);
1174 NameExistenceChecks.checkIfValueExists(errorLog, location,
1175 importedEnvironment, value.getName().name);
1176 value.definitionLocation = location;
1177 if(module.addValue(value))
1178 errorLog.log(location, "Value " + name + " is already defined.");
1179 if(valueDefinitionsAst.isDerived(name))
1180 value.addProperty(DerivedProperty.INSTANCE);
1182 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1183 for(EVar name : valueTypeAst.names) {
1184 SCLValue value = module.getValue(name.name);
1186 errorLog.log(valueTypeAst.location, name.name + " is not defined.");
1187 value = new SCLValue(Name.create(moduleName, name.name));
1188 module.addValue(value);
1190 value.definitionLocation = name.location;
1192 for(String name : relationDefinitionsAst.getRelationNames()) {
1193 ConcreteRelation relation = new ConcreteRelation(name);
1194 module.addRelation(name, relation);
1198 public void addValueDefinitionsToEnvironment(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1199 THashMap<String, DValueTypeAst> typeMap = new THashMap<String, DValueTypeAst>();
1200 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1201 for(EVar name : valueTypeAst.names) {
1202 if(typeMap.containsKey(name.name))
1203 errorLog.log(valueTypeAst.location, "Type of "+name.name+" has already been declared in this module.");
1205 typeMap.put(name.name, valueTypeAst);
1208 THashMap<String, EVar> exportMap = null;
1209 if(moduleHeader != null && moduleHeader.export != null) {
1210 exportMap = new THashMap<String, EVar>();
1211 for(EVar export : moduleHeader.export)
1212 if(exportMap.put(export.name, export) != null)
1213 errorLog.log(export.location, "The symbol " + export.name + " is exported multiple times.");
1216 for(String name : valueDefinitionsAst.getValueNames()) {
1217 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1219 SCLValue value = module.getValue(name);
1220 TranslationContext context = createTranslationContext();
1221 Expression expression = context.translateCases2(defs);
1222 value.setExpression(expression);
1224 DValueTypeAst valueTypeAst = typeMap.remove(name);
1225 if(valueTypeAst != null)
1226 value.setType(Types.closure(context.toType(valueTypeAst.type)));
1228 ArrayList<DAnnotationAst> annotations = valueDefinitionsAst.getAnnotations(name);
1229 if(annotations != null)
1230 for(DAnnotationAst annotation : annotations) {
1231 handleAnnotation(value, defs, annotation);
1233 if(exportMap != null && exportMap.remove(name) == null)
1234 value.addProperty(PrivateProperty.INSTANCE);
1235 } catch(RuntimeException e) {
1236 errorLog.setExceptionPosition(defs.get(0).location);
1240 if(exportMap != null)
1241 for(EVar export : exportMap.values())
1242 errorLog.log(export.location, "The symbol " + export.name + " is not defined in the module.");
1243 for(String name : relationDefinitionsAst.getRelationNames()) {
1244 ArrayList<DRelationAst> definitions = relationDefinitionsAst.getDefinition(name);
1245 if(definitions.size() > 1) {
1246 errorLog.log(definitions.get(1).location,
1247 "Does not yet support definition of relations by more than one rule.");
1251 DRelationAst definition = definitions.get(0);
1252 ConcreteRelation relation = (ConcreteRelation)module.getRelation(name);
1253 relation.location = definition.location;
1254 TranslationContext context = createTranslationContext();
1255 definition.translateTo(context, relation);
1259 private TranslationContext createTranslationContext() {
1260 return new TranslationContext(compilationContext, null);
1263 private void handleAnnotation(SCLValue value, ArrayList<DValueAst> defs, DAnnotationAst annotation) {
1264 if(annotation.id.text.equals("@macro")) {
1265 value.setMacroRule(new StandardMacroRule());
1267 else if(annotation.id.text.equals("@inline")) {
1269 int arity = defs.get(0).lhs.getFunctionDefinitionPatternArity();
1270 int phaseMask = 0xffffffff;
1271 if(annotation.parameters.length > 0) {
1272 phaseMask = Integer.parseInt(((EIntegerLiteral)annotation.parameters[0]).getValue());
1274 value.addProperty(new InlineProperty(arity, phaseMask));
1275 } catch(NotPatternException e) {
1276 errorLog.log(annotation.location, "Inline annotation is invalid: this is not a function.");
1279 else if(annotation.id.text.equals("@private")) {
1280 if(moduleHeader != null && moduleHeader.export != null)
1281 errorLog.log(annotation.location, "Annotation @private is not used when module header contains export property.");
1282 value.addProperty(PrivateProperty.INSTANCE);
1284 else if(annotation.id.text.equals("@deprecated")) {
1285 String description = "";
1286 if(annotation.parameters.length > 0) {
1287 if(annotation.parameters.length > 1)
1288 errorLog.log(annotation.location, "Invalid number of parameters, expected one string.");
1290 String temp = AnnotationUtils.extractString(annotation.parameters[0]);
1292 errorLog.log(annotation.location, "Invalid parameter, expected one string.");
1297 value.addProperty(new DeprecatedProperty(description));
1300 errorLog.log(annotation.location, "Unknown annotation.");
1303 public void addSupplementedTypeAnnotationsToEnvironment() {
1304 for(SupplementedValueType valueType : supplementedTypeAnnotations) {
1305 Type type = Types.closure(valueType.type);
1306 String name = valueType.name;
1307 SCLValue value = module.getValue(name);
1309 errorLog.log(valueType.position,
1310 name + " is not defined.");
1311 else if(value.getType()==null)
1312 value.setType(type);
1314 errorLog.log(valueType.position,
1315 "Type of "+name+" has already been declared in this module.");
1319 public void addFixityToEnvironment(ArrayList<DFixityAst> fixityAst) {
1320 for(DFixityAst fixity : fixityAst) {
1321 for(EVar symbol : fixity.symbols) {
1322 String name = symbol.name;
1323 SCLValue value = module.getValue(name);
1325 errorLog.log(symbol.location,
1326 name + " is not defined.");
1328 value.setPrecedence(fixity.precedence);
1333 public void addCoverageBranchPoints() {
1334 branchPoints = new THashMap<String, BranchPoint[]>();
1335 BranchPointInjector injector = new BranchPointInjector();
1336 for(String valueName : valueDefinitionsAst.getValueNames()) {
1337 for(DValueAst valueAst : valueDefinitionsAst.getDefinition(valueName))
1338 valueAst.value = injector.injectBranchPoint(valueAst.value);
1339 branchPoints.put(valueName, injector.getAndClearBranchPoints());