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.Token;
83 import org.simantics.scl.compiler.internal.parsing.declarations.ConstructorAst;
84 import org.simantics.scl.compiler.internal.parsing.declarations.DAnnotationAst;
85 import org.simantics.scl.compiler.internal.parsing.declarations.DClassAst;
86 import org.simantics.scl.compiler.internal.parsing.declarations.DDataAst;
87 import org.simantics.scl.compiler.internal.parsing.declarations.DDerivingInstanceAst;
88 import org.simantics.scl.compiler.internal.parsing.declarations.DEffectAst;
89 import org.simantics.scl.compiler.internal.parsing.declarations.DFixityAst;
90 import org.simantics.scl.compiler.internal.parsing.declarations.DInstanceAst;
91 import org.simantics.scl.compiler.internal.parsing.declarations.DMappingRelationAst;
92 import org.simantics.scl.compiler.internal.parsing.declarations.DRelationAst;
93 import org.simantics.scl.compiler.internal.parsing.declarations.DRuleAst;
94 import org.simantics.scl.compiler.internal.parsing.declarations.DRulesetAst;
95 import org.simantics.scl.compiler.internal.parsing.declarations.DTypeAst;
96 import org.simantics.scl.compiler.internal.parsing.declarations.DValueAst;
97 import org.simantics.scl.compiler.internal.parsing.declarations.DValueTypeAst;
98 import org.simantics.scl.compiler.internal.parsing.exceptions.SCLSyntaxErrorException;
99 import org.simantics.scl.compiler.internal.parsing.parser.SCLTerminals;
100 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDClassAst;
101 import org.simantics.scl.compiler.internal.parsing.translation.ProcessedDInstanceAst;
102 import org.simantics.scl.compiler.internal.parsing.translation.RelationRepository;
103 import org.simantics.scl.compiler.internal.parsing.translation.ValueRepository;
104 import org.simantics.scl.compiler.internal.parsing.types.TypeAst;
105 import org.simantics.scl.compiler.module.ConcreteModule;
106 import org.simantics.scl.compiler.module.ImportDeclaration;
107 import org.simantics.scl.compiler.module.InvalidModulePathException;
108 import org.simantics.scl.compiler.module.ModuleUtils;
109 import org.simantics.scl.compiler.module.debug.ModuleDebugInfo;
110 import org.simantics.scl.compiler.module.repository.ImportFailure;
111 import org.simantics.scl.compiler.module.repository.ImportFailureException;
112 import org.simantics.scl.compiler.top.SCLCompilerConfiguration;
113 import org.simantics.scl.compiler.types.TCon;
114 import org.simantics.scl.compiler.types.TForAll;
115 import org.simantics.scl.compiler.types.TFun;
116 import org.simantics.scl.compiler.types.TPred;
117 import org.simantics.scl.compiler.types.TVar;
118 import org.simantics.scl.compiler.types.Type;
119 import org.simantics.scl.compiler.types.Types;
120 import org.simantics.scl.compiler.types.kinds.Kind;
121 import org.simantics.scl.compiler.types.kinds.Kinds;
122 import org.simantics.scl.compiler.types.util.MultiFunction;
123 import org.simantics.scl.runtime.profiling.BranchPoint;
125 import gnu.trove.list.array.TIntArrayList;
126 import gnu.trove.map.hash.THashMap;
127 import gnu.trove.map.hash.TObjectIntHashMap;
128 import gnu.trove.procedure.TObjectObjectProcedure;
129 import gnu.trove.set.hash.THashSet;
130 import gnu.trove.set.hash.TIntHashSet;
132 public class Elaboration {
134 private final CompilationContext compilationContext;
135 private final ErrorLog errorLog;
136 private final String moduleName;
137 private final ModuleHeader moduleHeader;
138 private final ArrayList<ImportDeclaration> importsAst;
139 private final JavaReferenceValidatorFactory jrvFactory;
140 final JavaReferenceValidator<Object, Object, Object, Object> javaReferenceValidator;
141 private final ValueRepository valueDefinitionsAst;
142 private final RelationRepository relationDefinitionsAst;
145 ConcreteModule module;
146 Environment importedEnvironment;
147 ArrayList<SupplementedValueType> supplementedTypeAnnotations = new ArrayList<SupplementedValueType>();
149 JavaTypeTranslator javaTypeTranslator;
150 ArrayList<StandardTypeConstructor> dataTypes = new ArrayList<StandardTypeConstructor>();
151 THashMap<String, ClassRef> classRefs = new THashMap<String, ClassRef>();
152 THashMap<String, BranchPoint[]> branchPoints;
154 THashMap<String, EVar> exportMap = null;
156 public Elaboration(CompilationContext compilationContext, CompilationTimer timer, EnvironmentFactory localEnvironmentFactory,
157 String moduleName, ModuleHeader moduleHeader, ArrayList<ImportDeclaration> importsAst,
158 JavaReferenceValidatorFactory jrvFactory,
159 ValueRepository valueDefinitionsAst,
160 RelationRepository relationDefinitionsAst) {
161 this.compilationContext = compilationContext;
162 this.errorLog = compilationContext.errorLog;
163 this.moduleName = moduleName;
164 this.moduleHeader = moduleHeader;
165 if(moduleName != null)
166 importsAst = processRelativeImports(compilationContext.errorLog, moduleName, importsAst);
167 this.importsAst = importsAst;
168 this.jrvFactory = jrvFactory;
169 this.javaReferenceValidator = moduleHeader == null || moduleHeader.classLoader == null
170 ? jrvFactory.getDefaultJavaReferenceValidator()
171 : jrvFactory.getJavaReferenceValidator(moduleHeader.classLoader);
172 if(javaReferenceValidator == null)
173 errorLog.log(moduleHeader.classLoaderLocation, "Didn't find the specified class loader.");
174 this.valueDefinitionsAst = valueDefinitionsAst;
175 this.relationDefinitionsAst = relationDefinitionsAst;
177 module = new ConcreteModule(moduleName);
178 compilationContext.module = module;
179 compilationContext.moduleRepository = localEnvironmentFactory.getModuleRepository();
180 if(moduleHeader != null) {
181 if(moduleHeader.defaultLocalName != null)
182 module.setDefaultLocalName(moduleHeader.defaultLocalName);
183 if(moduleHeader.deprecated != null)
184 module.setDeprecation(moduleHeader.deprecated);
188 timer.suspendTimer();
189 importedEnvironment = localEnvironmentFactory.createEnvironment(
191 importsAst.toArray(new ImportDeclaration[importsAst.size()]));
193 timer.continueTimer();
194 compilationContext.environment = new EnvironmentOfModule(importedEnvironment, module);
195 } catch (ImportFailureException e) {
196 for(ImportFailure failure : e.failures)
197 errorLog.log(new CompilationError(failure.location, failure.toString(),
198 failure.reason == ImportFailure.MODULE_DOES_NOT_EXIST_REASON ? ErrorSeverity.ERROR : ErrorSeverity.IMPORT_ERROR));
201 for(ImportDeclaration importAst : importsAst)
202 this.module.addDependency(new ImportDeclaration(
203 importAst.moduleName,
204 importAst.reexport ? importAst.localName : null,
207 localEnvironmentFactory.addBuiltinDependencies(module);
208 compilationContext.namingPolicy = new JavaNamingPolicy(moduleName);
211 public static ArrayList<ImportDeclaration> processRelativeImports(ErrorLog errorLog, String moduleName, ArrayList<ImportDeclaration> relativeImports) {
212 ArrayList<ImportDeclaration> absoluteImports = new ArrayList<ImportDeclaration>(relativeImports.size());
213 for(ImportDeclaration relativeImport : relativeImports) {
214 if(relativeImport.moduleName.startsWith(".")) {
216 String absoluteModuleName = ModuleUtils.resolveAbsolutePath(moduleName, relativeImport.moduleName);
217 ImportDeclaration absoluteImport = new ImportDeclaration(
218 relativeImport.location,
219 absoluteModuleName, relativeImport.localName,
220 relativeImport.reexport, relativeImport.spec);
221 absoluteImports.add(absoluteImport);
222 } catch (InvalidModulePathException e) {
224 errorLog.log(relativeImport.location, e.getMessage());
228 absoluteImports.add(relativeImport);
230 return absoluteImports;
233 public void addTypesToEnvironment(
234 ArrayList<DDataAst> dataTypesAst,
235 ArrayList<DTypeAst> typeAliasesAst,
236 ArrayList<DEffectAst> effectsAst,
237 ArrayList<DRulesetAst> rulesetsAst) {
238 for(DDataAst dataType : dataTypesAst) {
239 dataType.parameterKinds = new Kind[dataType.parameters.length];
240 Kind constructorKind = Kinds.STAR;
241 for(int i=dataType.parameters.length-1;i>=0;--i) {
242 Kind kind = Kinds.metaVar();
243 dataType.parameterKinds[i] = kind;
244 constructorKind = Kinds.arrow(kind, constructorKind);
247 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(
248 Types.con(moduleName, dataType.name), constructorKind);
250 NameExistenceChecks.checkIfTypeExists(errorLog,
251 dataType.location, importedEnvironment, dataType.name);
252 addTypeDescriptor(dataType.location, dataType.name, typeConstructor);
253 dataType.typeConstructor = typeConstructor;
256 for(DTypeAst typeAlias : typeAliasesAst) {
257 TypeAlias alias = new TypeAlias(Types.con(moduleName, typeAlias.name), typeAlias.parameters.length);
258 NameExistenceChecks.checkIfTypeExists(errorLog,
259 typeAlias.location, importedEnvironment, typeAlias.name);
260 addTypeDescriptor(typeAlias.location, typeAlias.name, alias);
263 for(DEffectAst effect : effectsAst) {
264 EffectConstructor effectConstructor = new EffectConstructor(Types.con(moduleName, effect.name));
265 effectConstructor.addThreadLocalVariable(
266 new ThreadLocalVariable(
268 TypeDesc.forClass(effect.threadLocalType)
270 if(module.addEffectConstructor(effect.name, effectConstructor))
271 errorLog.log(effect.location, "Effect "+effect.name+" has already been defined in this module.");
273 for(DRulesetAst ruleset : rulesetsAst) {
274 ruleset.type = Types.con(moduleName, ruleset.name);
275 ruleset.className = compilationContext.namingPolicy.getDataTypeClassName(ruleset.name);
276 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(ruleset.type, Kinds.STAR,
277 TypeDesc.forClass(ruleset.className), ruleset.documentation == null ? null : ruleset.documentation.documentation);
278 typeConstructor.external = true;
279 addTypeDescriptor(ruleset.location, ruleset.name, typeConstructor);
281 javaTypeTranslator = new JavaTypeTranslator(compilationContext.environment);
282 compilationContext.javaTypeTranslator = javaTypeTranslator;
285 private void addTypeDescriptor(long location, String name, TypeDescriptor typeDescriptor) {
286 if(module.addTypeDescriptor(name, typeDescriptor))
287 errorLog.log(location, "Type "+name+" has already been defined in this module.");
290 private static final int[] EMPTY_INT_ARRAY = new int[0];
292 public void processTypeAliases(ArrayList<DTypeAst> typeAliasesAst) {
293 TObjectIntHashMap<String> typeAliasMap = new TObjectIntHashMap<String>();
294 for(int i=0;i<typeAliasesAst.size();++i)
295 typeAliasMap.put(typeAliasesAst.get(i).name, i);
296 TIntHashSet tempIntSet = new TIntHashSet();
297 ArrayList<DTypeAst> orderedTypeAliases = new ArrayList<DTypeAst>(typeAliasesAst.size());
298 //for(int i=0;i<typeAliasesAst.size();++i)
299 // System.out.println(i + "# " + typeAliasesAst.get(i).name);
300 new StronglyConnectedComponents(typeAliasesAst.size()) {
302 protected int[] findDependencies(int u) {
303 typeAliasesAst.get(u).type.collectReferences(typeAliasMap, tempIntSet);
304 if(tempIntSet.isEmpty())
305 return EMPTY_INT_ARRAY;
306 if(tempIntSet.contains(u)) {
307 errorLog.log(typeAliasesAst.get(u).location, "Type alias has a self reference.");
308 tempIntSet.remove(u);
310 int[] result = tempIntSet.toArray();
312 //System.out.println(u + " -> " + Arrays.toString(result));
316 protected void reportComponent(int[] component) {
317 //System.out.println("component: " + Arrays.toString(component));
318 if(component.length > 1) {
319 StringBuilder b = new StringBuilder();
320 b.append("Recursively defined type alias (");
321 long minLocation = typeAliasesAst.get(component[0]).location;
322 boolean first = true;
323 for(int u : component) {
324 DTypeAst typeAlias = typeAliasesAst.get(u);
329 b.append(typeAlias.name);
330 if(Locations.beginOf(typeAlias.location) < Locations.beginOf(minLocation))
331 minLocation = typeAlias.location;
334 errorLog.log(minLocation, b.toString());
337 orderedTypeAliases.add(typeAliasesAst.get(component[0]));
341 if(errorLog.hasNoErrors()) {
342 for(DTypeAst typeAlias : orderedTypeAliases) {
343 TypeAlias alias = (TypeAlias)module.getTypeDescriptor(typeAlias.name);
344 TypeTranslationContext context = createTypeTranslationContext();
345 for(int i=0;i<typeAlias.parameters.length;++i)
346 context.pushTypeVar(typeAlias.parameters[i]);
347 alias.body = typeAlias.type.toType(context, Kinds.metaVar());
348 for(int i=0;i<typeAlias.parameters.length;++i)
349 alias.parameters[i] = context.popTypeVar(typeAlias.parameters[i], null);
354 public void processDataTypes(ArrayList<DDataAst> dataTypesAst) {
355 ArrayList<Runnable> fieldAccessorGenerators = new ArrayList<Runnable>();
356 for(DDataAst dataTypeAst : dataTypesAst) {
357 TypeTranslationContext context = createTypeTranslationContext();
358 TVar[] typeParameters = new TVar[dataTypeAst.parameters.length];
359 for(int i=0;i<dataTypeAst.parameters.length;++i)
360 typeParameters[i] = context.addTypeVar(dataTypeAst.parameters[i]);
361 Constructor[] constructors = new Constructor[dataTypeAst.constructors.length];
362 String className = null;
363 boolean external = false;
364 for(DAnnotationAst annotation : dataTypeAst.getAnnotations()) {
365 if(annotation.id.text.equals("@JavaType")) {
366 if(annotation.parameters.length != 1 ||
367 !(annotation.parameters[0] instanceof ELiteral) ||
368 !(((ELiteral)annotation.parameters[0]).getValue() instanceof StringConstant))
369 errorLog.log(annotation.location, "Invalid parameters. Expected @JavaType \"className\".");
371 className = ((StringConstant)((ELiteral)annotation.parameters[0]).getValue()).getValue().replace('.', '/');
378 boolean trivialDataType = dataTypeAst.constructors.length == 1 &&
379 dataTypeAst.constructors[0].parameters.length == 1;
380 if(className == null && !trivialDataType)
381 className = compilationContext.namingPolicy.getDataTypeClassName(dataTypeAst.name);
383 StandardTypeConstructor dataType = dataTypeAst.typeConstructor;
385 dataType.setType(Types.con(moduleName, dataTypeAst.name), typeParameters);
386 dataType.setConstructors(constructors);
388 dataType.setTypeDesc(TypeDesc.forClass(className));
389 if(!external || dataTypeAst.constructors.length > 0) {
390 dataType.isOpen = false;
392 dataType.external = external;
393 dataTypes.add(dataType);
394 for(int j=0;j<constructors.length;++j) {
395 ConstructorAst constructor = dataTypeAst.constructors[j];
396 String name = constructor.name.text;
397 Type[] parameterTypes = new Type[constructor.parameters.length];
398 for(int i=constructor.parameters.length-1;i>=0;--i)
399 parameterTypes[i] = context.toType(constructor.parameters[i]);
400 String javaName = constructors.length == 1 ? className
401 : compilationContext.namingPolicy.getConstructorClassName(name);
402 String[] fieldNames = null;
403 for(DAnnotationAst annotation : constructor.annotations)
404 if(annotation.id.text.equals("@JavaType")) {
406 javaName = ((StringConstant)((ELiteral)annotation.parameters[0])
407 .getValue()).getValue();
408 } catch(Exception e) {
409 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
412 else if(annotation.id.text.equals("@FieldNames")) {
414 EListLiteral literal = (EListLiteral)annotation.parameters[0];
415 fieldNames = new String[literal.getComponents().length];
416 for(int i=0;i<fieldNames.length;++i) {
417 Expression component = literal.getComponents()[i];
418 if(component instanceof EVar)
419 fieldNames[i] = ((EVar)component).name;
420 else if(component instanceof ELiteral)
421 fieldNames[i] = ((StringConstant)((ELiteral)component).getValue()).getValue();
423 } catch(Exception e) {
424 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
429 constructors[j] = new Constructor(constructor.location, dataType,
430 Name.create(moduleName, name),
431 parameterTypes, javaName);
432 constructors[j].fieldNames = fieldNames;
433 constructors[j].recordFieldNames = constructor.fieldNames;
435 if(constructors.length == 1) {
436 Constructor constructor = constructors[0];
437 if(constructor.recordFieldNames != null) {
438 fieldAccessorGenerators.add(new Runnable() {
441 Type in = Types.apply(dataType.name, dataType.parameters);
442 for(int i=0;i<constructor.recordFieldNames.length;++i) {
443 Type out = constructor.parameterTypes[i];
446 accessor = new SafeCoerce(dataType.parameters, in, out);
448 accessor = new CallJava(dataType.parameters, Types.NO_EFFECTS, out,
449 new Type[] {in}, new StackItem[] {new ParameterStackItem(0, in)},
450 new FieldRef(constructor.javaName, constructor.fieldNames != null ? constructor.fieldNames[i] : "c" + i,
451 javaTypeTranslator.toTypeDesc(out)),
453 module.addFieldAccessor(constructor.recordFieldNames[i], accessor);
461 for(Runnable fieldAccessorGenerator : fieldAccessorGenerators)
462 fieldAccessorGenerator.run();
465 public void processTypeClasses(ArrayList<ProcessedDClassAst> typeClassesAst) {
466 for(ProcessedDClassAst pClassAst : typeClassesAst) {
467 DClassAst classAst = pClassAst.orig;
469 if(module.getTypeClass(classAst.name) != null) {
470 errorLog.log(classAst.location, "Class "+classAst.name+" has already been defined in this module.");
474 TypeTranslationContext context = createTypeTranslationContext();
476 TPred[] classContext = new TPred[classAst.context.length];
477 for(int i=0;i<classContext.length;++i)
478 classContext[i] = context.toTFuncApply(classAst.context[i]);
480 TVar[] parameters = new TVar[classAst.parameters.length];
482 if(classAst.name.equals("Functor") || classAst.name.equals("Monad")) {
484 parameters[0] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[0], Kinds.STAR_TO_STAR);
487 for(int i=0;i<parameters.length;++i)
488 parameters[i] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[i], Kinds.metaVar());
491 TCon con = Types.con(moduleName, classAst.name);
492 TypeClass typeClass = new TypeClass(classAst.location,
495 compilationContext.namingPolicy.getTypeClassInterfaceName(con),
497 Fundep.mapFundeps(classAst.parameters, classAst.fundeps));
499 THashMap<String, TypeClassMethod> methods = typeClass.methods;
500 for(DValueTypeAst methodDecl : pClassAst.typeDeclarations) {
504 type = context.toType(methodDecl.type);
505 } catch(SCLSyntaxErrorException e) {
506 errorLog.log(e.location, e.getMessage());
509 for(EVar name : methodDecl.names) {
510 typeClass.methodNames.add(name.name);
511 methods.put(name.name,
512 new TypeClassMethod(typeClass, name.name,
513 compilationContext.namingPolicy.getMethodName(name.name),
514 type, Types.getArity(type),
518 } catch(RuntimeException e) {
519 errorLog.setExceptionPosition(methodDecl.location);
524 for(String methodName : pClassAst.defaultImplementations.getValueNames()) {
525 String fullName = "_" + classAst.name + "_default_" + methodName;
526 ArrayList<DValueAst> defs = pClassAst.defaultImplementations.getDefinition(methodName);
528 TypeClassMethod method = typeClass.methods.get(methodName);
530 errorLog.log(defs.get(0).location, "Method " + methodName + " is not defined in this class.");
533 method.setDefaultImplementation(Name.create(moduleName, fullName));
535 valueDefinitionsAst.addDefinitions(fullName, defs);
536 supplementedTypeAnnotations.add(new SupplementedValueType(defs.get(0).location, fullName, method.getType()));
537 valueDefinitionsAst.setDerived(fullName);
540 module.addTypeClass(classAst.name, typeClass);
544 private TypeTranslationContext createTypeTranslationContext() {
545 return new TypeTranslationContext(compilationContext);
548 public void processDerivingInstances(ArrayList<DDerivingInstanceAst> derivingInstancesAst,
549 ArrayList<ProcessedDInstanceAst> instancesAst) {
550 for(DDerivingInstanceAst derivingInstance : derivingInstancesAst) {
551 String name = derivingInstance.name.name;
554 con = Environments.getTypeClassName(compilationContext.environment, name);
555 } catch (AmbiguousNameException e) {
556 errorLog.log(derivingInstance.name.location, e.getMessage());
560 errorLog.log(derivingInstance.name.location, "Couldn't resolve class " + name + ".");
563 InstanceDeriver deriver = InstanceDerivers.get(con);
565 errorLog.log(derivingInstance.location, "Doesn't know how to derive " + name + ".");
567 deriver.derive(errorLog, compilationContext.environment, instancesAst, derivingInstance);
571 public void processInstances(ArrayList<ProcessedDInstanceAst> instancesAst) {
572 THashSet<TPred> instanceClashCheckSet = new THashSet<TPred>();
573 for(ProcessedDInstanceAst pInstanceAst : instancesAst) {
574 DInstanceAst instanceAst = pInstanceAst.orig;
576 TypeTranslationContext context = createTypeTranslationContext();
578 String name = instanceAst.name.name;
581 typeClassCon = Environments.getTypeClassName(compilationContext.environment, name);
582 } catch (AmbiguousNameException e) {
583 errorLog.log(instanceAst.name.location, e.getMessage());
586 if(typeClassCon == null) {
587 errorLog.log(instanceAst.name.location, "Couldn't resolve class " + name + ".");
590 TypeClass typeClass = compilationContext.environment.getTypeClass(typeClassCon);
591 pInstanceAst.typeClass = typeClass;
593 if(instanceAst.types.length != typeClass.parameters.length) {
594 errorLog.log(instanceAst.location, "Wrong number of parameters to type class " + typeClassCon.name + ".");
597 Type[] parameters = new Type[instanceAst.types.length];
598 for(int i=0;i<parameters.length;++i)
599 parameters[i] = context.toType(instanceAst.types[i], typeClass.parameters[i].getKind() /* FIXME */);
600 TPred instance = Types.pred(typeClassCon, parameters);
602 if(!instanceClashCheckSet.add(instance)) {
603 errorLog.log(instanceAst.location, "Duplicate definition of the instance " + instance + ".");
607 TPred[] instanceContext = new TPred[instanceAst.context.length];
608 for(int i=0;i<instanceContext.length;++i)
609 instanceContext[i] = context.toTFuncApply(instanceAst.context[i]);
611 String javaName = compilationContext.namingPolicy.getInstanceClassName(instance);
612 String instancePrefix = instance.toName() + "$";
614 ValueRepository valueDefs = pInstanceAst.valueDefs;
616 THashMap<String, MethodImplementation> methodImplementations =
617 new THashMap<String, MethodImplementation>();
618 for(String valueName : valueDefs.getValueNames()) {
619 String fullName = instancePrefix + valueName;
620 long loc = valueDefs.getDefinition(valueName).get(0).location;
621 valueDefinitionsAst.addFrom(valueDefs, valueName, fullName);
622 valueDefinitionsAst.setDerived(fullName);
623 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
624 Collections.<Expression>emptyList()));*/
625 TypeClassMethod method = typeClass.methods.get(valueName);
627 errorLog.log(loc, "Method " + valueName + " is not defined in the type class " + typeClass.name.name + ".");
630 Type type = method.getBaseType().replace(typeClass.parameters, parameters);
631 for(int i=instanceContext.length-1;i>=0;--i)
632 type = Types.constrained(instanceContext[i], type);
633 //System.out.println(valueName + " :: " + type);
634 supplementedTypeAnnotations.add(
635 new SupplementedValueType(loc, fullName, type));
636 methodImplementations.put(valueName,
637 new MethodImplementation(Name.create(moduleName, fullName), false));
640 // Are all necessary methods defined
641 for(String methodName : typeClass.methods.keySet())
642 if(!methodImplementations.containsKey(methodName)) {
643 Name defaultImplementation = typeClass.methods.get(methodName).getDefaultImplementation();
644 if(defaultImplementation == null)
645 errorLog.log(instanceAst.location, "Method " + methodName + " is not defined.");
647 methodImplementations.put(methodName,
648 new MethodImplementation(defaultImplementation, true));
651 JavaTypeInstanceConstructor generator = new JavaTypeInstanceConstructor(javaName, instance, instanceContext);
652 if(instanceContext.length == 0)
653 generator.setHasStaticInstance(true);
655 TypeClassInstance typeClassInstance =
656 new TypeClassInstance(instanceAst.location, typeClass, generator,
657 generator.getTypeParameters(),
658 instanceContext, instance, methodImplementations,
661 generator.setInstance(typeClassInstance);
663 module.addTypeClassInstance(typeClassCon, typeClassInstance);
664 } catch(RuntimeException e) {
665 errorLog.setExceptionPosition(instanceAst.location);
670 // Generate superclass functions
671 for(ArrayList<TypeClassInstance> instanceArray : module.getTypeInstances().values())
672 for(TypeClassInstance instance : instanceArray) {
674 TypeClass typeClass = instance.typeClass;
675 int superCount = typeClass.context.length;
677 instance.superExpressions = new SCLValue[superCount];
678 for(int i=0;i<superCount;++i) {
679 TPred type = (TPred)typeClass.context[i]
680 .replace(typeClass.parameters, instance.instance.parameters);
681 SCLValue value = new SCLValue(Name.create(moduleName,
682 instance.javaName.substring(instance.javaName.indexOf('$')+1) + "_super" + i));
683 //value.addProperty(PrivateProperty.INSTANCE);
684 module.addValue(value);
685 Expression expression = new EGetConstraint(instance.location, type);
686 value.setExpression(expression);
687 value.setType(Types.forAll(instance.generatorParameters, Types.constrained(instance.context, type)));
688 value.getProperties().add(new InlineProperty(instance.context.length, 0xffffffff));
689 //TypeUnparsingContext tuc = new TypeUnparsingContext();
690 // TODO error handling
691 instance.superExpressions[i] = value;
693 } catch(RuntimeException e) {
694 errorLog.setExceptionPosition(instance.getLocation());
700 public void processJavaMethods(ArrayList<JavaMethodDeclaration> javaMethodDeclarations) {
701 for(JavaMethodDeclaration javaMethod : javaMethodDeclarations) {
702 String name = javaMethod.methodName.name;
703 String javaName = name;
704 ArrayList<DAnnotationAst> annotations =
705 valueDefinitionsAst.getAnnotations(name);
706 boolean isPrivate = false;
707 if(annotations != null) {
708 for(DAnnotationAst annotation : annotations)
709 if(annotation.id.text.equals("@JavaName")) {
710 String temp = AnnotationUtils.processStringAnnotation(errorLog, annotation);
714 else if(annotation.id.text.equals("@private")) {
715 AnnotationUtils.processTagAnnotation(errorLog, annotation);
719 if(exportMap != null)
720 isPrivate = exportMap.remove(name) == null;
722 Type type = createTypeTranslationContext().toType(javaMethod.type);
724 CallJava callJava = resolveMethod(
726 javaMethod.className,
729 if(callJava != null) {
730 NameExistenceChecks.checkIfValueExists(errorLog, javaMethod.location,
731 importedEnvironment, module, name);
732 SCLValue value = module.addValue(name, callJava);
733 value.definitionLocation = javaMethod.methodName.location;
735 value.addProperty(PrivateProperty.INSTANCE);
740 public void processRulesets(ArrayList<DRulesetAst> rulesetsAst) {
741 for(DRulesetAst ruleset : rulesetsAst) {
742 String constructorName = "create" + ruleset.name;
743 supplementedTypeAnnotations.add(new SupplementedValueType(ruleset.location, constructorName, Types.functionE(Types.PUNIT, Types.PROC, ruleset.type)));
745 valueDefinitionsAst.add(new DValueAst(new EVar(constructorName), new EPreCHRRulesetConstructor(ruleset)));
746 } catch (NotPatternException e) {
747 throw new InternalCompilerError(ruleset.location, e);
753 * Convert a java class method into a {@link CallJava} instance.
754 * Compilation errors are logged for failures in finding the named class or in accessing the method.
755 * The return value for errors is {@code null}.
757 * @param loc SCL source location
758 * @param className Name of the class
759 * @param methodName Name of the method
760 * @param type The expected SCL type of the method
761 * @return A new JavaCall instance, or null if the given method can not be instantiated.
763 private CallJava resolveMethod(long loc,
764 String className, String methodName, Type type) {
766 ClassRef classRef = classRefs.get(className);
767 if(classRef == null) {
768 if(classRefs.containsKey(className))
770 classRef = javaReferenceValidator.getClassRef(className);
771 classRefs.put(className, classRef);
772 if(classRef == null) {
773 errorLog.log(loc, "Didn't find class " + className + ".");
776 if(!javaReferenceValidator.isPublic(classRef.getClass())) {
777 errorLog.log(loc, "Class " + className + " is not public.");
784 List<MethodRef> methodRefs = classRef.getMethodRefs(methodName);
785 if(methodRefs.isEmpty()) {
786 errorLog.log(loc, "Didn't find any public method or field with name '" + methodName + "' from class " + className + ".");
790 ArrayList<CallJava> candidates = new ArrayList<CallJava>(2);
791 for(MethodRef methodRef : methodRefs) {
792 CallJava candidate = matchType(methodRef, type);
793 if(candidate != null)
794 candidates.add(candidate);
797 if(candidates.isEmpty()) {
798 StringBuilder b = new StringBuilder();
799 b.append("Didn't find any public method or field matching the type " + type + ". The following methods and fields were tried:");
800 for(MethodRef methodRef : methodRefs) {
804 b.append("\nbut expected something like:");
806 MultiFunction mFun = Types.matchFunction(type);
807 b.append("\n public static ");
808 b.append(javaTypeTranslator.toTypeDesc(mFun.returnType).getFullName()).append(' ').append(methodName).append('(');
809 boolean first = true;
810 for(Type parameter : mFun.parameterTypes) {
815 b.append(javaTypeTranslator.toTypeDesc(parameter).getFullName());
819 errorLog.log(loc, b.toString());
822 else if(candidates.size() == 1)
823 return candidates.get(0);
825 // Try to find the best match
826 ArrayList<CallJava> bestCandidates = new ArrayList<CallJava>(candidates.size());
827 loop: for(CallJava candidate : candidates) {
828 Iterator<CallJava> it = bestCandidates.iterator();
829 while(it.hasNext()) {
830 CallJava b = it.next();
831 switch(candidate.compareTo(javaReferenceValidator, b)) {
835 case CallJava.GREATER:
838 case CallJava.INCOMPARABLE:
842 bestCandidates.add(candidate);
845 if(bestCandidates.size() == 1) {
846 // System.out.println("Choose: " + bestCandidates.get(0).getMethodRef());
847 return bestCandidates.get(0);
850 StringBuilder b = new StringBuilder();
851 b.append("Found more than one incomparable public methods the type " + type + ":");
852 for(CallJava callJava : bestCandidates) {
854 b.append(callJava.getMethodRef());
856 errorLog.log(loc, b.toString());
862 private CallJava matchType(MethodRef methodRef, Type type) {
863 //System.out.println("-----------------------------------------------------");
864 //System.out.println("method: " + methodRef);
865 //System.out.println("type: " + type);
867 type = Types.canonical(type);
868 while(type instanceof TForAll)
869 type = Types.canonical(((TForAll)type).type);
871 TypeDesc[] expectedParameterTypes = methodRef.getParameterTypes();
873 ArrayList<Type> parameterTypes = new ArrayList<Type>();
874 Type effect = Types.NO_EFFECTS;
875 Type returnType = type;
877 StackItem[] stackItems = new StackItem[expectedParameterTypes.length];
878 TIntArrayList unresolvedItems = new TIntArrayList();
881 for(int i=0;i<expectedParameterTypes.length;++i) {
883 TypeDesc providedParameterType;
885 if(effect != Types.NO_EFFECTS || !(returnType instanceof TFun)) {
886 while(i < expectedParameterTypes.length)
887 unresolvedItems.add(i++);
890 TFun fun = (TFun)returnType;
891 parameterType = Types.canonical(fun.domain);
892 parameterTypes.add(parameterType);
893 effect = Types.canonical(fun.effect);
894 returnType = Types.canonical(fun.range);
895 providedParameterType = javaTypeTranslator.toTypeDesc(parameterType);
896 } while(providedParameterType.equals(TypeDesc.VOID));
899 TypeDesc expectedParameterType = expectedParameterTypes[i];
900 if(javaReferenceValidator.isAssignableFrom(expectedParameterType,
901 providedParameterType)) {
902 stackItems[i] = new ParameterStackItem(
903 parameterTypes.size()-1,
908 unresolvedItems.add(i++);
909 if(i == expectedParameterTypes.length) {
910 parameterTypes.remove(parameterTypes.size()-1);
911 returnType = Types.functionE(parameterType, effect, returnType);
916 //System.out.println("returnType: " + returnType);
917 if(!unresolvedItems.isEmpty()) {
918 ArrayList<TCon> concreteEffects = new ArrayList<TCon>();
919 effect.collectConcreteEffects(concreteEffects);
921 for(TCon eff : concreteEffects) {
922 EffectConstructor effC = compilationContext.environment.getEffectConstructor(eff);
923 for(ThreadLocalVariable var : effC.getThreadLocalVariables()) {
924 for(int i=0;i<unresolvedItems.size();++i) {
925 int id = unresolvedItems.get(i);
926 if(!expectedParameterTypes[id].equals(TypeDesc.OBJECT) &&
927 javaReferenceValidator.isAssignableFrom(expectedParameterTypes[id], var.type)) {
928 stackItems[id] = new ThreadLocalStackItem(var.variableName, var.type);
929 unresolvedItems.removeAt(i);
936 if(!unresolvedItems.isEmpty())
938 /*System.out.print("Unresolved: ");
939 boolean first = true;
940 for(int i=0;i<unresolvedItems.size();++i) {
944 System.out.print(", ");
945 System.out.print(expectedParameterTypes[unresolvedItems.get(i)]);
947 System.out.println();*/
949 OutputFilter filter = null;
951 TypeDesc providedReturnType = methodRef.getReturnType();
952 if(!providedReturnType.equals(Constants.FUNCTION)) {
953 while(returnType instanceof TFun && effect == Types.NO_EFFECTS) {
954 TFun fun = (TFun)returnType;
955 Type parameterType = Types.canonical(fun.domain);
956 if(!javaTypeTranslator.toTypeDesc(parameterType).equals(TypeDesc.VOID))
958 parameterTypes.add(parameterType);
959 effect = Types.canonical(fun.effect);
960 returnType = Types.canonical(fun.range);
963 TypeDesc expectedReturnType =
964 javaTypeTranslator.toTypeDesc(returnType);
965 if(!javaReferenceValidator.isAssignableFrom(expectedReturnType,
966 providedReturnType)) {
967 if(expectedReturnType.equals(TypeDesc.VOID)) {
968 if(providedReturnType.equals(TypeDesc.DOUBLE) || providedReturnType.equals(TypeDesc.LONG))
969 filter = Pop2OutputFilter.INSTANCE;
971 filter = PopOutputFilter.INSTANCE;
973 else if(expectedReturnType.equals(Constants.LIST)
974 && providedReturnType.equals(Constants.COLLECTION))
975 filter = ConvertToListFilter.INSTANCE;
981 CallJava result = new CallJava(
982 Types.freeVarsArray(type),
985 parameterTypes.toArray(new Type[parameterTypes.size()]),
989 //System.out.println(result.getType());
993 public void processMappingRelations(ArrayList<DMappingRelationAst> mappingRelationsAst) {
994 for(DMappingRelationAst mappingRelation : mappingRelationsAst) {
995 TypeAst[] parameterTypesAst = mappingRelation.parameterTypes;
996 Type[] parameterTypes = new Type[parameterTypesAst.length];
997 TypeTranslationContext typeTranslationContext = createTypeTranslationContext();
998 for(int i=0;i<parameterTypes.length;++i)
999 parameterTypes[i] = parameterTypesAst[i].toType(typeTranslationContext, Kinds.STAR);
1000 MappingRelation mRel =
1001 new MappingRelation(Name.create(moduleName, mappingRelation.name), parameterTypes);
1002 mRel.location = mappingRelation.location;
1003 if(module.addMappingRelation(mRel))
1004 errorLog.log(mappingRelation.location, "Mapping relation " + mappingRelation.name +
1005 " has already been defined.");
1009 THashMap<String, DRuleAst> ruleAstMap = new THashMap<String, DRuleAst>();
1011 public void processRules(ArrayList<DRuleAst> rulesAst) {
1012 // Find implied mapping relations
1013 for(DRuleAst ruleA : rulesAst) {
1014 ArrayList<Query> whereSection = ruleA.getSections().get("where");
1015 if(whereSection != null)
1016 for(Query query : whereSection) {
1017 if(!(query instanceof QPreGuard))
1019 QPreGuard guard = (QPreGuard)query;
1020 if(!(guard.guard instanceof EApply))
1022 EApply apply = (EApply)guard.guard;
1023 if(!(apply.getFunction() instanceof EVar))
1026 String name = ((EVar)apply.getFunction()).name;
1027 if(module.getMappingRelation(name) != null)
1030 int arity = apply.getParameters().length;
1031 Type[] parameterTypes = new Type[arity];
1032 for(int i=0;i<arity;++i)
1033 parameterTypes[i] = Types.metaVar(Kinds.STAR);
1034 MappingRelation mRel =
1035 new MappingRelation(Name.create(moduleName, name), parameterTypes);
1036 mRel.location = query.location;
1037 module.addMappingRelation(mRel);
1039 if(ruleAstMap.put(ruleA.name, ruleA) != null)
1040 errorLog.log(ruleA.location, "Rule " + ruleA.name +
1041 " has already been defined.");
1045 for(String ruleName : ruleAstMap.keySet())
1046 processRule(ruleName);
1049 private TransformationRule processRule(String ruleName) {
1050 TransformationRule rule = module.getRule(ruleName);
1054 DRuleAst ruleAst = ruleAstMap.get(ruleName);
1055 if(ruleAst.alreadyProcessing) {
1056 errorLog.log(ruleAst.location, "Cyclic chain of rule extensions.");
1060 TransformationRule[] extendsRules;
1061 int length = ruleAst.extendsNames.length;
1063 extendsRules = TransformationRule.EMPTY_ARRAY;
1065 extendsRules = new TransformationRule[length];
1066 for(int i=0;i<length;++i) {
1068 String extendsName = ruleAst.extendsNames[i];
1069 TransformationRule extendsRule;
1070 if(ruleAstMap.containsKey(extendsName))
1071 extendsRule = processRule(extendsName);
1073 extendsRule = Environments.getRule(compilationContext.environment, extendsName);
1074 if(extendsRule == null)
1075 errorLog.log(ruleAst.location,
1076 "Couldn't resolve rule name " + extendsName + ".");
1078 extendsRules[i] = extendsRule;
1079 } catch(AmbiguousNameException e) {
1080 errorLog.log(ruleAst.location, e.getMessage());
1085 final THashMap<SectionName, Query[]> sections = new THashMap<SectionName, Query[]>();
1087 final TranslationContext context = createTranslationContext(ruleName);
1089 THashMap<String, Variable> variables = context.getVariables();
1090 for(TransformationRule extendsRule : extendsRules) {
1091 if(extendsRule == null)
1093 for(Variable var : extendsRule.variables)
1094 if(variables.put(var.getName(), var) != null) {
1095 errorLog.log(ruleAst.location,
1096 "Variable " + var.getName() + " is defined in more than one base rule, which is not currently allowed.");
1100 context.pushExistentialFrame();
1101 ruleAst.getSections().forEachEntry(new TObjectObjectProcedure<String, ArrayList<Query>>() {
1103 public boolean execute(String sectionNameString, ArrayList<Query> queries) {
1104 Query[] resolvedQueries = new Query[queries.size()];
1105 for(int i=0;i<resolvedQueries.length;++i)
1106 resolvedQueries[i] = queries.get(i).resolve(context);
1108 SectionName sectionName = SectionName.getSectionName(sectionNameString);
1109 if(sectionName == null)
1110 context.getErrorLog().log(queries.get(0).location,
1111 "Invalid section name " + sectionNameString + ".");
1113 sections.put(sectionName, resolvedQueries);
1118 Variable[] variables = context.getVariables().values().toArray(new Variable[context.getVariables().size()]);
1120 rule = new TransformationRule(ruleAst.isAbstract,
1121 Name.create(moduleName, ruleAst.name),
1123 sections, variables);
1124 rule.location = ruleAst.location;
1125 module.addRule(rule);
1129 public void addDataTypesToEnvironment() {
1130 for(StandardTypeConstructor dataType : dataTypes) {
1131 int constructorTag = 0;
1132 for(Constructor constructor : dataType.constructors) {
1133 SCLValue value = new SCLValue(constructor.name);
1134 value.definitionLocation = constructor.loc;
1135 SCLConstructor sclConstructor =
1137 constructor.name.name,
1138 constructor.javaName,
1139 constructor.getTypeVariables(),
1141 constructor.getReturnType(),
1142 constructor.fieldNames == null
1143 ? SCLConstructor.DEFAULT_FIELD_NAMES[constructor.getParameterTypes().length]
1144 : constructor.fieldNames,
1145 constructor.recordFieldNames,
1146 constructor.getParameterTypes());
1147 if(dataType.constructors.length == 1 && (
1148 dataType.getTypeDesc() == null ||
1149 (dataType.constructors[0].javaName != null &&
1150 dataType.constructors[0].javaName.equals(MethodBuilderBase.getClassName(dataType.getTypeDesc())))))
1151 sclConstructor.setOnlyConstructor(true);
1152 value.setValue(sclConstructor);
1153 value.setType(constructor.getType());
1155 NameExistenceChecks.checkIfValueExists(errorLog, constructor.loc,
1156 importedEnvironment, module, constructor.name.name);
1157 if(module.addValue(value)) {
1158 errorLog.log(constructor.loc,
1159 "Value " + constructor.name.name + " is already defined.");
1165 public void addTypeClassesToEnvironment() {
1166 for(TypeClass typeClass : module.getTypeClasses()) {
1167 for(TypeClassMethod method : typeClass.methods.values()) {
1168 SCLValue value = method.createValue();
1169 value.definitionLocation = method.location;
1170 NameExistenceChecks.checkIfValueExists(errorLog, Locations.NO_LOCATION,
1171 importedEnvironment, module, value.getName().name);
1173 if(module.addValue(value)) {
1174 String name = method.getName();
1175 long location = Locations.NO_LOCATION;
1176 ArrayList<DValueAst> definitions = valueDefinitionsAst.getDefinition(name);
1177 if(definitions != null && !definitions.isEmpty())
1178 location = definitions.get(0).location;
1179 errorLog.log(location, "Value " + name + " is already defined.");
1185 public void preprocessValueDefinitions(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1186 for(String name : valueDefinitionsAst.getValueNames()) {
1187 SCLValue value = new SCLValue(Name.create(moduleName, name));
1189 long location = valueDefinitionsAst.getLocation(name);
1190 NameExistenceChecks.checkIfValueExists(errorLog, location,
1191 importedEnvironment, module, value.getName().name);
1192 value.definitionLocation = location;
1193 if(module.addValue(value))
1194 errorLog.log(location, "Value " + name + " is already defined.");
1195 if(valueDefinitionsAst.isDerived(name))
1196 value.addProperty(DerivedProperty.INSTANCE);
1198 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1199 for(EVar name : valueTypeAst.names) {
1200 SCLValue value = module.getValue(name.name);
1202 errorLog.log(valueTypeAst.location, name.name + " is not defined.");
1203 value = new SCLValue(Name.create(moduleName, name.name));
1204 module.addValue(value);
1206 value.definitionLocation = name.location;
1208 for(String name : relationDefinitionsAst.getRelationNames()) {
1209 ConcreteRelation relation = new ConcreteRelation(name);
1210 module.addRelation(name, relation);
1214 public void addValueDefinitionsToEnvironment(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1215 THashMap<String, DValueTypeAst> typeMap = new THashMap<String, DValueTypeAst>();
1216 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1217 for(EVar name : valueTypeAst.names) {
1218 if(typeMap.containsKey(name.name))
1219 errorLog.log(valueTypeAst.location, "Type of "+name.name+" has already been declared in this module.");
1221 typeMap.put(name.name, valueTypeAst);
1224 for(String name : valueDefinitionsAst.getValueNames()) {
1225 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1226 if(defs.size() != 1 || !(defs.get(0).value instanceof EPreCHRRulesetConstructor))
1229 SCLValue value = module.getValue(name);
1230 TranslationContext context = createTranslationContext(name);
1231 Expression expression = context.translateCases2(defs);
1232 value.setExpression(expression);
1234 if(exportMap != null && exportMap.remove(name) == null)
1235 value.addProperty(PrivateProperty.INSTANCE);
1236 } catch(RuntimeException e) {
1237 errorLog.setExceptionPosition(defs.get(0).location);
1241 for(String name : valueDefinitionsAst.getValueNames()) {
1242 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1243 if(defs.size() == 1 && defs.get(0).value instanceof EPreCHRRulesetConstructor)
1246 SCLValue value = module.getValue(name);
1247 TranslationContext context = createTranslationContext(name);
1248 Expression expression = context.translateCases2(defs);
1249 value.setExpression(expression);
1251 DValueTypeAst valueTypeAst = typeMap.remove(name);
1252 if(valueTypeAst != null)
1253 value.setType(Types.closure(context.toType(valueTypeAst.type)));
1255 ArrayList<DAnnotationAst> annotations = valueDefinitionsAst.getAnnotations(name);
1256 if(annotations != null)
1257 for(DAnnotationAst annotation : annotations) {
1258 handleAnnotation(value, defs, annotation);
1260 if(exportMap != null && exportMap.remove(name) == null)
1261 value.addProperty(PrivateProperty.INSTANCE);
1262 } catch(RuntimeException e) {
1263 errorLog.setExceptionPosition(defs.get(0).location);
1267 for(String name : relationDefinitionsAst.getRelationNames()) {
1268 ArrayList<DRelationAst> definitions = relationDefinitionsAst.getDefinition(name);
1269 if(definitions.size() > 1) {
1270 errorLog.log(definitions.get(1).location,
1271 "Does not yet support definition of relations by more than one rule.");
1275 DRelationAst definition = definitions.get(0);
1276 ConcreteRelation relation = (ConcreteRelation)module.getRelation(name);
1277 relation.location = definition.location;
1278 TranslationContext context = createTranslationContext(name);
1279 definition.translateTo(context, relation);
1283 private TranslationContext createTranslationContext(String definitionName) {
1284 return new TranslationContext(compilationContext, null, definitionName);
1287 private void handleAnnotation(SCLValue value, ArrayList<DValueAst> defs, DAnnotationAst annotation) {
1288 if(annotation.id.text.equals("@macro")) {
1289 value.setMacroRule(new StandardMacroRule());
1291 else if(annotation.id.text.equals("@inline")) {
1293 int arity = defs.get(0).lhs.getFunctionDefinitionPatternArity();
1294 int phaseMask = 0xffffffff;
1295 if(annotation.parameters.length > 0) {
1296 phaseMask = Integer.parseInt(((EIntegerLiteral)annotation.parameters[0]).getValue());
1298 value.addProperty(new InlineProperty(arity, phaseMask));
1299 } catch(NotPatternException e) {
1300 errorLog.log(annotation.location, "Inline annotation is invalid: this is not a function.");
1303 else if(annotation.id.text.equals("@private")) {
1304 if(moduleHeader != null && moduleHeader.export != null)
1305 errorLog.log(annotation.location, "Annotation @private is not used when module header contains export property.");
1306 value.addProperty(PrivateProperty.INSTANCE);
1308 else if(annotation.id.text.equals("@deprecated")) {
1309 String description = "";
1310 if(annotation.parameters.length > 0) {
1311 if(annotation.parameters.length > 1)
1312 errorLog.log(annotation.location, "Invalid number of parameters, expected one string.");
1314 String temp = AnnotationUtils.extractString(annotation.parameters[0]);
1316 errorLog.log(annotation.location, "Invalid parameter, expected one string.");
1321 value.addProperty(new DeprecatedProperty(description));
1324 errorLog.log(annotation.location, "Unknown annotation.");
1327 public void addSupplementedTypeAnnotationsToEnvironment() {
1328 for(SupplementedValueType valueType : supplementedTypeAnnotations) {
1329 Type type = Types.closure(valueType.type);
1330 String name = valueType.name;
1331 SCLValue value = module.getValue(name);
1333 errorLog.log(valueType.position,
1334 name + " is not defined.");
1335 else if(value.getType()==null)
1336 value.setType(type);
1338 errorLog.log(valueType.position,
1339 "Type of "+name+" has already been declared in this module.");
1343 public void addFixityToEnvironment(ArrayList<DFixityAst> fixityAst) {
1344 for(DFixityAst fixity : fixityAst) {
1345 for(EVar symbol : fixity.symbols) {
1346 String name = symbol.name;
1347 SCLValue value = module.getValue(name);
1349 errorLog.log(symbol.location,
1350 name + " is not defined.");
1352 value.setPrecedence(fixity.precedence);
1357 public void addCoverageBranchPoints() {
1358 branchPoints = new THashMap<String, BranchPoint[]>();
1359 BranchPointInjector injector = new BranchPointInjector();
1360 for(String valueName : valueDefinitionsAst.getValueNames()) {
1361 for(DValueAst valueAst : valueDefinitionsAst.getDefinition(valueName))
1362 valueAst.value = injector.injectBranchPoint(valueAst.value);
1363 branchPoints.put(valueName, injector.getAndClearBranchPoints());
1367 public void collectDebugInfo() {
1368 module.moduleDebugInfo = compilationContext.moduleDebugInfo = new ModuleDebugInfo();
1371 public void prepareExports() {
1372 if(moduleHeader != null && moduleHeader.export != null) {
1373 exportMap = new THashMap<String, EVar>();
1374 for(EVar export : moduleHeader.export)
1375 if(exportMap.put(export.name, export) != null)
1376 errorLog.log(export.location, "The symbol " + export.name + " is exported multiple times.");
1380 public void checkExports() {
1381 if(exportMap != null)
1382 for(EVar export : exportMap.values())
1383 errorLog.log(export.location, "The symbol " + export.name + " is not defined in the module.");