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(), ErrorSeverity.IMPORT_ERROR));
200 for(ImportDeclaration importAst : importsAst)
201 this.module.addDependency(new ImportDeclaration(
202 importAst.moduleName,
203 importAst.reexport ? importAst.localName : null,
206 localEnvironmentFactory.addBuiltinDependencies(module);
207 compilationContext.namingPolicy = new JavaNamingPolicy(moduleName);
210 public static ArrayList<ImportDeclaration> processRelativeImports(ErrorLog errorLog, String moduleName, ArrayList<ImportDeclaration> relativeImports) {
211 ArrayList<ImportDeclaration> absoluteImports = new ArrayList<ImportDeclaration>(relativeImports.size());
212 for(ImportDeclaration relativeImport : relativeImports) {
213 if(relativeImport.moduleName.startsWith(".")) {
215 String absoluteModuleName = ModuleUtils.resolveAbsolutePath(moduleName, relativeImport.moduleName);
216 ImportDeclaration absoluteImport = new ImportDeclaration(
217 relativeImport.location,
218 absoluteModuleName, relativeImport.localName,
219 relativeImport.reexport, relativeImport.spec);
220 absoluteImports.add(absoluteImport);
221 } catch (InvalidModulePathException e) {
223 errorLog.log(relativeImport.location, e.getMessage());
227 absoluteImports.add(relativeImport);
229 return absoluteImports;
232 public void addTypesToEnvironment(
233 ArrayList<DDataAst> dataTypesAst,
234 ArrayList<DTypeAst> typeAliasesAst,
235 ArrayList<DEffectAst> effectsAst,
236 ArrayList<DRulesetAst> rulesetsAst) {
237 for(DDataAst dataType : dataTypesAst) {
238 dataType.parameterKinds = new Kind[dataType.parameters.length];
239 Kind constructorKind = Kinds.STAR;
240 for(int i=dataType.parameters.length-1;i>=0;--i) {
241 Kind kind = Kinds.metaVar();
242 dataType.parameterKinds[i] = kind;
243 constructorKind = Kinds.arrow(kind, constructorKind);
246 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(
247 Types.con(moduleName, dataType.name), constructorKind);
249 NameExistenceChecks.checkIfTypeExists(errorLog,
250 dataType.location, importedEnvironment, dataType.name);
251 addTypeDescriptor(dataType.location, dataType.name, typeConstructor);
252 dataType.typeConstructor = typeConstructor;
255 for(DTypeAst typeAlias : typeAliasesAst) {
256 TypeAlias alias = new TypeAlias(Types.con(moduleName, typeAlias.name), typeAlias.parameters.length);
257 NameExistenceChecks.checkIfTypeExists(errorLog,
258 typeAlias.location, importedEnvironment, typeAlias.name);
259 addTypeDescriptor(typeAlias.location, typeAlias.name, alias);
262 for(DEffectAst effect : effectsAst) {
263 EffectConstructor effectConstructor = new EffectConstructor(Types.con(moduleName, effect.name));
264 effectConstructor.addThreadLocalVariable(
265 new ThreadLocalVariable(
267 TypeDesc.forClass(effect.threadLocalType)
269 if(module.addEffectConstructor(effect.name, effectConstructor))
270 errorLog.log(effect.location, "Effect "+effect.name+" has already been defined in this module.");
272 for(DRulesetAst ruleset : rulesetsAst) {
273 ruleset.type = Types.con(moduleName, ruleset.name);
274 ruleset.className = compilationContext.namingPolicy.getDataTypeClassName(ruleset.name);
275 StandardTypeConstructor typeConstructor = new StandardTypeConstructor(ruleset.type, Kinds.STAR,
276 TypeDesc.forClass(ruleset.className), ruleset.documentation == null ? null : ruleset.documentation.documentation);
277 typeConstructor.external = true;
278 addTypeDescriptor(ruleset.location, ruleset.name, typeConstructor);
280 javaTypeTranslator = new JavaTypeTranslator(compilationContext.environment);
281 compilationContext.javaTypeTranslator = javaTypeTranslator;
284 private void addTypeDescriptor(long location, String name, TypeDescriptor typeDescriptor) {
285 if(module.addTypeDescriptor(name, typeDescriptor))
286 errorLog.log(location, "Type "+name+" has already been defined in this module.");
289 private static final int[] EMPTY_INT_ARRAY = new int[0];
291 public void processTypeAliases(ArrayList<DTypeAst> typeAliasesAst) {
292 TObjectIntHashMap<String> typeAliasMap = new TObjectIntHashMap<String>();
293 for(int i=0;i<typeAliasesAst.size();++i)
294 typeAliasMap.put(typeAliasesAst.get(i).name, i);
295 TIntHashSet tempIntSet = new TIntHashSet();
296 ArrayList<DTypeAst> orderedTypeAliases = new ArrayList<DTypeAst>(typeAliasesAst.size());
297 //for(int i=0;i<typeAliasesAst.size();++i)
298 // System.out.println(i + "# " + typeAliasesAst.get(i).name);
299 new StronglyConnectedComponents(typeAliasesAst.size()) {
301 protected int[] findDependencies(int u) {
302 typeAliasesAst.get(u).type.collectReferences(typeAliasMap, tempIntSet);
303 if(tempIntSet.isEmpty())
304 return EMPTY_INT_ARRAY;
305 if(tempIntSet.contains(u)) {
306 errorLog.log(typeAliasesAst.get(u).location, "Type alias has a self reference.");
307 tempIntSet.remove(u);
309 int[] result = tempIntSet.toArray();
311 //System.out.println(u + " -> " + Arrays.toString(result));
315 protected void reportComponent(int[] component) {
316 //System.out.println("component: " + Arrays.toString(component));
317 if(component.length > 1) {
318 StringBuilder b = new StringBuilder();
319 b.append("Recursively defined type alias (");
320 long minLocation = typeAliasesAst.get(component[0]).location;
321 boolean first = true;
322 for(int u : component) {
323 DTypeAst typeAlias = typeAliasesAst.get(u);
328 b.append(typeAlias.name);
329 if(Locations.beginOf(typeAlias.location) < Locations.beginOf(minLocation))
330 minLocation = typeAlias.location;
333 errorLog.log(minLocation, b.toString());
336 orderedTypeAliases.add(typeAliasesAst.get(component[0]));
340 if(errorLog.hasNoErrors()) {
341 for(DTypeAst typeAlias : orderedTypeAliases) {
342 TypeAlias alias = (TypeAlias)module.getTypeDescriptor(typeAlias.name);
343 TypeTranslationContext context = createTypeTranslationContext();
344 for(int i=0;i<typeAlias.parameters.length;++i)
345 context.pushTypeVar(typeAlias.parameters[i]);
346 alias.body = typeAlias.type.toType(context, Kinds.metaVar());
347 for(int i=0;i<typeAlias.parameters.length;++i)
348 alias.parameters[i] = context.popTypeVar(typeAlias.parameters[i], null);
353 public void processDataTypes(ArrayList<DDataAst> dataTypesAst) {
354 ArrayList<Runnable> fieldAccessorGenerators = new ArrayList<Runnable>();
355 for(DDataAst dataTypeAst : dataTypesAst) {
356 TypeTranslationContext context = createTypeTranslationContext();
357 TVar[] typeParameters = new TVar[dataTypeAst.parameters.length];
358 for(int i=0;i<dataTypeAst.parameters.length;++i)
359 typeParameters[i] = context.addTypeVar(dataTypeAst.parameters[i]);
360 Constructor[] constructors = new Constructor[dataTypeAst.constructors.length];
361 String className = null;
362 boolean external = false;
363 for(DAnnotationAst annotation : dataTypeAst.getAnnotations()) {
364 if(annotation.id.text.equals("@JavaType")) {
365 if(annotation.parameters.length != 1 ||
366 !(annotation.parameters[0] instanceof ELiteral) ||
367 !(((ELiteral)annotation.parameters[0]).getValue() instanceof StringConstant))
368 errorLog.log(annotation.location, "Invalid parameters. Expected @JavaType \"className\".");
370 className = ((StringConstant)((ELiteral)annotation.parameters[0]).getValue()).getValue().replace('.', '/');
377 boolean trivialDataType = dataTypeAst.constructors.length == 1 &&
378 dataTypeAst.constructors[0].parameters.length == 1;
379 if(className == null && !trivialDataType)
380 className = compilationContext.namingPolicy.getDataTypeClassName(dataTypeAst.name);
382 StandardTypeConstructor dataType = dataTypeAst.typeConstructor;
384 dataType.setType(Types.con(moduleName, dataTypeAst.name), typeParameters);
385 dataType.setConstructors(constructors);
387 dataType.setTypeDesc(TypeDesc.forClass(className));
388 if(!external || dataTypeAst.constructors.length > 0) {
389 dataType.isOpen = false;
391 dataType.external = external;
392 dataTypes.add(dataType);
393 for(int j=0;j<constructors.length;++j) {
394 ConstructorAst constructor = dataTypeAst.constructors[j];
395 String name = constructor.name.text;
396 Type[] parameterTypes = new Type[constructor.parameters.length];
397 for(int i=constructor.parameters.length-1;i>=0;--i)
398 parameterTypes[i] = context.toType(constructor.parameters[i]);
399 String javaName = constructors.length == 1 ? className
400 : compilationContext.namingPolicy.getConstructorClassName(name);
401 String[] fieldNames = null;
402 for(DAnnotationAst annotation : constructor.annotations)
403 if(annotation.id.text.equals("@JavaType")) {
405 javaName = ((StringConstant)((ELiteral)annotation.parameters[0])
406 .getValue()).getValue();
407 } catch(Exception e) {
408 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
411 else if(annotation.id.text.equals("@FieldNames")) {
413 EListLiteral literal = (EListLiteral)annotation.parameters[0];
414 fieldNames = new String[literal.getComponents().length];
415 for(int i=0;i<fieldNames.length;++i) {
416 Expression component = literal.getComponents()[i];
417 if(component instanceof EVar)
418 fieldNames[i] = ((EVar)component).name;
419 else if(component instanceof ELiteral)
420 fieldNames[i] = ((StringConstant)((ELiteral)component).getValue()).getValue();
422 } catch(Exception e) {
423 errorLog.log(annotation.parameters[0].location, "Invalid annotation parameter.");
428 constructors[j] = new Constructor(constructor.location, dataType,
429 Name.create(moduleName, name),
430 parameterTypes, javaName);
431 constructors[j].fieldNames = fieldNames;
432 constructors[j].recordFieldNames = constructor.fieldNames;
434 if(constructors.length == 1) {
435 Constructor constructor = constructors[0];
436 if(constructor.recordFieldNames != null) {
437 fieldAccessorGenerators.add(new Runnable() {
440 Type in = Types.apply(dataType.name, dataType.parameters);
441 for(int i=0;i<constructor.recordFieldNames.length;++i) {
442 Type out = constructor.parameterTypes[i];
445 accessor = new SafeCoerce(dataType.parameters, in, out);
447 accessor = new CallJava(dataType.parameters, Types.NO_EFFECTS, out,
448 new Type[] {in}, new StackItem[] {new ParameterStackItem(0, in)},
449 new FieldRef(constructor.javaName, constructor.fieldNames != null ? constructor.fieldNames[i] : "c" + i,
450 javaTypeTranslator.toTypeDesc(out)),
452 module.addFieldAccessor(constructor.recordFieldNames[i], accessor);
460 for(Runnable fieldAccessorGenerator : fieldAccessorGenerators)
461 fieldAccessorGenerator.run();
464 public void processTypeClasses(ArrayList<ProcessedDClassAst> typeClassesAst) {
465 for(ProcessedDClassAst pClassAst : typeClassesAst) {
466 DClassAst classAst = pClassAst.orig;
468 if(module.getTypeClass(classAst.name) != null) {
469 errorLog.log(classAst.location, "Class "+classAst.name+" has already been defined in this module.");
473 TypeTranslationContext context = createTypeTranslationContext();
475 TPred[] classContext = new TPred[classAst.context.length];
476 for(int i=0;i<classContext.length;++i)
477 classContext[i] = context.toTFuncApply(classAst.context[i]);
479 TVar[] parameters = new TVar[classAst.parameters.length];
481 if(classAst.name.equals("Functor") || classAst.name.equals("Monad")) {
483 parameters[0] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[0], Kinds.STAR_TO_STAR);
486 for(int i=0;i<parameters.length;++i)
487 parameters[i] = context.resolveTypeVariable(pClassAst.orig.location, classAst.parameters[i], Kinds.metaVar());
490 TCon con = Types.con(moduleName, classAst.name);
491 TypeClass typeClass = new TypeClass(classAst.location,
494 compilationContext.namingPolicy.getTypeClassInterfaceName(con),
496 Fundep.mapFundeps(classAst.parameters, classAst.fundeps));
498 THashMap<String, TypeClassMethod> methods = typeClass.methods;
499 for(DValueTypeAst methodDecl : pClassAst.typeDeclarations) {
503 type = context.toType(methodDecl.type);
504 } catch(SCLSyntaxErrorException e) {
505 errorLog.log(e.location, e.getMessage());
508 for(EVar name : methodDecl.names) {
509 typeClass.methodNames.add(name.name);
510 methods.put(name.name,
511 new TypeClassMethod(typeClass, name.name,
512 compilationContext.namingPolicy.getMethodName(name.name),
513 type, Types.getArity(type),
517 } catch(RuntimeException e) {
518 errorLog.setExceptionPosition(methodDecl.location);
523 for(String methodName : pClassAst.defaultImplementations.getValueNames()) {
524 String fullName = "_" + classAst.name + "_default_" + methodName;
525 ArrayList<DValueAst> defs = pClassAst.defaultImplementations.getDefinition(methodName);
527 TypeClassMethod method = typeClass.methods.get(methodName);
529 errorLog.log(defs.get(0).location, "Method " + methodName + " is not defined in this class.");
532 method.setDefaultImplementation(Name.create(moduleName, fullName));
534 valueDefinitionsAst.addDefinitions(fullName, defs);
535 supplementedTypeAnnotations.add(new SupplementedValueType(defs.get(0).location, fullName, method.getType()));
536 valueDefinitionsAst.setDerived(fullName);
539 module.addTypeClass(classAst.name, typeClass);
543 private TypeTranslationContext createTypeTranslationContext() {
544 return new TypeTranslationContext(compilationContext);
547 public void processDerivingInstances(ArrayList<DDerivingInstanceAst> derivingInstancesAst,
548 ArrayList<ProcessedDInstanceAst> instancesAst) {
549 for(DDerivingInstanceAst derivingInstance : derivingInstancesAst) {
550 String name = derivingInstance.name.name;
553 con = Environments.getTypeClassName(compilationContext.environment, name);
554 } catch (AmbiguousNameException e) {
555 errorLog.log(derivingInstance.name.location, e.getMessage());
559 errorLog.log(derivingInstance.name.location, "Couldn't resolve class " + name + ".");
562 InstanceDeriver deriver = InstanceDerivers.get(con);
564 errorLog.log(derivingInstance.location, "Doesn't know how to derive " + name + ".");
566 deriver.derive(errorLog, compilationContext.environment, instancesAst, derivingInstance);
570 public void processInstances(ArrayList<ProcessedDInstanceAst> instancesAst) {
571 THashSet<TPred> instanceClashCheckSet = new THashSet<TPred>();
572 for(ProcessedDInstanceAst pInstanceAst : instancesAst) {
573 DInstanceAst instanceAst = pInstanceAst.orig;
575 TypeTranslationContext context = createTypeTranslationContext();
577 String name = instanceAst.name.name;
580 typeClassCon = Environments.getTypeClassName(compilationContext.environment, name);
581 } catch (AmbiguousNameException e) {
582 errorLog.log(instanceAst.name.location, e.getMessage());
585 if(typeClassCon == null) {
586 errorLog.log(instanceAst.name.location, "Couldn't resolve class " + name + ".");
589 TypeClass typeClass = compilationContext.environment.getTypeClass(typeClassCon);
590 pInstanceAst.typeClass = typeClass;
592 if(instanceAst.types.length != typeClass.parameters.length) {
593 errorLog.log(instanceAst.location, "Wrong number of parameters to type class " + typeClassCon.name + ".");
596 Type[] parameters = new Type[instanceAst.types.length];
597 for(int i=0;i<parameters.length;++i)
598 parameters[i] = context.toType(instanceAst.types[i], typeClass.parameters[i].getKind() /* FIXME */);
599 TPred instance = Types.pred(typeClassCon, parameters);
601 if(!instanceClashCheckSet.add(instance)) {
602 errorLog.log(instanceAst.location, "Duplicate definition of the instance " + instance + ".");
606 TPred[] instanceContext = new TPred[instanceAst.context.length];
607 for(int i=0;i<instanceContext.length;++i)
608 instanceContext[i] = context.toTFuncApply(instanceAst.context[i]);
610 String javaName = compilationContext.namingPolicy.getInstanceClassName(instance);
611 String instancePrefix = instance.toName() + "$";
613 ValueRepository valueDefs = pInstanceAst.valueDefs;
615 THashMap<String, MethodImplementation> methodImplementations =
616 new THashMap<String, MethodImplementation>();
617 for(String valueName : valueDefs.getValueNames()) {
618 String fullName = instancePrefix + valueName;
619 long loc = valueDefs.getDefinition(valueName).get(0).location;
620 valueDefinitionsAst.addFrom(valueDefs, valueName, fullName);
621 valueDefinitionsAst.setDerived(fullName);
622 /*valueDefinitionsAst.addAnnotation(fullName, new DAnnotationAst(new EVar("@private"),
623 Collections.<Expression>emptyList()));*/
624 TypeClassMethod method = typeClass.methods.get(valueName);
626 errorLog.log(loc, "Method " + valueName + " is not defined in the type class " + typeClass.name.name + ".");
629 Type type = method.getBaseType().replace(typeClass.parameters, parameters);
630 for(int i=instanceContext.length-1;i>=0;--i)
631 type = Types.constrained(instanceContext[i], type);
632 //System.out.println(valueName + " :: " + type);
633 supplementedTypeAnnotations.add(
634 new SupplementedValueType(loc, fullName, type));
635 methodImplementations.put(valueName,
636 new MethodImplementation(Name.create(moduleName, fullName), false));
639 // Are all necessary methods defined
640 for(String methodName : typeClass.methods.keySet())
641 if(!methodImplementations.containsKey(methodName)) {
642 Name defaultImplementation = typeClass.methods.get(methodName).getDefaultImplementation();
643 if(defaultImplementation == null)
644 errorLog.log(instanceAst.location, "Method " + methodName + " is not defined.");
646 methodImplementations.put(methodName,
647 new MethodImplementation(defaultImplementation, true));
650 JavaTypeInstanceConstructor generator = new JavaTypeInstanceConstructor(javaName, instance, instanceContext);
651 if(instanceContext.length == 0)
652 generator.setHasStaticInstance(true);
654 TypeClassInstance typeClassInstance =
655 new TypeClassInstance(instanceAst.location, typeClass, generator,
656 generator.getTypeParameters(),
657 instanceContext, instance, methodImplementations,
660 generator.setInstance(typeClassInstance);
662 module.addTypeClassInstance(typeClassCon, typeClassInstance);
663 } catch(RuntimeException e) {
664 errorLog.setExceptionPosition(instanceAst.location);
669 // Generate superclass functions
670 for(ArrayList<TypeClassInstance> instanceArray : module.getTypeInstances().values())
671 for(TypeClassInstance instance : instanceArray) {
673 TypeClass typeClass = instance.typeClass;
674 int superCount = typeClass.context.length;
676 instance.superExpressions = new SCLValue[superCount];
677 for(int i=0;i<superCount;++i) {
678 TPred type = (TPred)typeClass.context[i]
679 .replace(typeClass.parameters, instance.instance.parameters);
680 SCLValue value = new SCLValue(Name.create(moduleName,
681 instance.javaName.substring(instance.javaName.indexOf('$')+1) + "_super" + i));
682 //value.addProperty(PrivateProperty.INSTANCE);
683 module.addValue(value);
684 Expression expression = new EGetConstraint(instance.location, type);
685 value.setExpression(expression);
686 value.setType(Types.forAll(instance.generatorParameters, Types.constrained(instance.context, type)));
687 value.getProperties().add(new InlineProperty(instance.context.length, 0xffffffff));
688 //TypeUnparsingContext tuc = new TypeUnparsingContext();
689 // TODO error handling
690 instance.superExpressions[i] = value;
692 } catch(RuntimeException e) {
693 errorLog.setExceptionPosition(instance.getLocation());
699 public void processJavaMethods(ArrayList<JavaMethodDeclaration> javaMethodDeclarations) {
700 for(JavaMethodDeclaration javaMethod : javaMethodDeclarations) {
701 String name = javaMethod.methodName.name;
702 String javaName = name;
703 ArrayList<DAnnotationAst> annotations =
704 valueDefinitionsAst.getAnnotations(name);
705 boolean isPrivate = false;
706 if(annotations != null) {
707 for(DAnnotationAst annotation : annotations)
708 if(annotation.id.text.equals("@JavaName")) {
709 String temp = AnnotationUtils.processStringAnnotation(errorLog, annotation);
713 else if(annotation.id.text.equals("@private")) {
714 AnnotationUtils.processTagAnnotation(errorLog, annotation);
718 if(exportMap != null)
719 isPrivate = exportMap.remove(name) == null;
721 Type type = createTypeTranslationContext().toType(javaMethod.type);
723 CallJava callJava = resolveMethod(
725 javaMethod.className,
728 if(callJava != null) {
729 NameExistenceChecks.checkIfValueExists(errorLog, javaMethod.location,
730 importedEnvironment, module, name);
731 SCLValue value = module.addValue(name, callJava);
732 value.definitionLocation = javaMethod.methodName.location;
734 value.addProperty(PrivateProperty.INSTANCE);
739 public void processRulesets(ArrayList<DRulesetAst> rulesetsAst) {
740 for(DRulesetAst ruleset : rulesetsAst) {
741 String constructorName = "create" + ruleset.name;
742 supplementedTypeAnnotations.add(new SupplementedValueType(ruleset.location, constructorName, Types.functionE(Types.PUNIT, Types.PROC, ruleset.type)));
744 valueDefinitionsAst.add(new DValueAst(new EVar(constructorName), new EPreCHRRulesetConstructor(ruleset)));
745 } catch (NotPatternException e) {
746 throw new InternalCompilerError(ruleset.location, e);
752 * Convert a java class method into a {@link CallJava} instance.
753 * Compilation errors are logged for failures in finding the named class or in accessing the method.
754 * The return value for errors is {@code null}.
756 * @param loc SCL source location
757 * @param className Name of the class
758 * @param methodName Name of the method
759 * @param type The expected SCL type of the method
760 * @return A new JavaCall instance, or null if the given method can not be instantiated.
762 private CallJava resolveMethod(long loc,
763 String className, String methodName, Type type) {
765 ClassRef classRef = classRefs.get(className);
766 if(classRef == null) {
767 if(classRefs.containsKey(className))
769 classRef = javaReferenceValidator.getClassRef(className);
770 classRefs.put(className, classRef);
771 if(classRef == null) {
772 errorLog.log(loc, "Didn't find class " + className + ".");
775 if(!javaReferenceValidator.isPublic(classRef.getClass())) {
776 errorLog.log(loc, "Class " + className + " is not public.");
783 List<MethodRef> methodRefs = classRef.getMethodRefs(methodName);
784 if(methodRefs.isEmpty()) {
785 errorLog.log(loc, "Didn't find any public method or field with name '" + methodName + "' from class " + className + ".");
789 ArrayList<CallJava> candidates = new ArrayList<CallJava>(2);
790 for(MethodRef methodRef : methodRefs) {
791 CallJava candidate = matchType(methodRef, type);
792 if(candidate != null)
793 candidates.add(candidate);
796 if(candidates.isEmpty()) {
797 StringBuilder b = new StringBuilder();
798 b.append("Didn't find any public method or field matching the type " + type + ". The following methods and fields were tried:");
799 for(MethodRef methodRef : methodRefs) {
803 b.append("\nbut expected something like:");
805 MultiFunction mFun = Types.matchFunction(type);
806 b.append("\n public static ");
807 b.append(javaTypeTranslator.toTypeDesc(mFun.returnType).getFullName()).append(' ').append(methodName).append('(');
808 boolean first = true;
809 for(Type parameter : mFun.parameterTypes) {
814 b.append(javaTypeTranslator.toTypeDesc(parameter).getFullName());
818 errorLog.log(loc, b.toString());
821 else if(candidates.size() == 1)
822 return candidates.get(0);
824 // Try to find the best match
825 ArrayList<CallJava> bestCandidates = new ArrayList<CallJava>(candidates.size());
826 loop: for(CallJava candidate : candidates) {
827 Iterator<CallJava> it = bestCandidates.iterator();
828 while(it.hasNext()) {
829 CallJava b = it.next();
830 switch(candidate.compareTo(javaReferenceValidator, b)) {
834 case CallJava.GREATER:
837 case CallJava.INCOMPARABLE:
841 bestCandidates.add(candidate);
844 if(bestCandidates.size() == 1) {
845 // System.out.println("Choose: " + bestCandidates.get(0).getMethodRef());
846 return bestCandidates.get(0);
849 StringBuilder b = new StringBuilder();
850 b.append("Found more than one incomparable public methods the type " + type + ":");
851 for(CallJava callJava : bestCandidates) {
853 b.append(callJava.getMethodRef());
855 errorLog.log(loc, b.toString());
861 private CallJava matchType(MethodRef methodRef, Type type) {
862 //System.out.println("-----------------------------------------------------");
863 //System.out.println("method: " + methodRef);
864 //System.out.println("type: " + type);
866 type = Types.canonical(type);
867 while(type instanceof TForAll)
868 type = Types.canonical(((TForAll)type).type);
870 TypeDesc[] expectedParameterTypes = methodRef.getParameterTypes();
872 ArrayList<Type> parameterTypes = new ArrayList<Type>();
873 Type effect = Types.NO_EFFECTS;
874 Type returnType = type;
876 StackItem[] stackItems = new StackItem[expectedParameterTypes.length];
877 TIntArrayList unresolvedItems = new TIntArrayList();
880 for(int i=0;i<expectedParameterTypes.length;++i) {
882 TypeDesc providedParameterType;
884 if(effect != Types.NO_EFFECTS || !(returnType instanceof TFun)) {
885 while(i < expectedParameterTypes.length)
886 unresolvedItems.add(i++);
889 TFun fun = (TFun)returnType;
890 parameterType = Types.canonical(fun.domain);
891 parameterTypes.add(parameterType);
892 effect = Types.canonical(fun.effect);
893 returnType = Types.canonical(fun.range);
894 providedParameterType = javaTypeTranslator.toTypeDesc(parameterType);
895 } while(providedParameterType.equals(TypeDesc.VOID));
898 TypeDesc expectedParameterType = expectedParameterTypes[i];
899 if(javaReferenceValidator.isAssignableFrom(expectedParameterType,
900 providedParameterType)) {
901 stackItems[i] = new ParameterStackItem(
902 parameterTypes.size()-1,
907 unresolvedItems.add(i++);
908 if(i == expectedParameterTypes.length) {
909 parameterTypes.remove(parameterTypes.size()-1);
910 returnType = Types.functionE(parameterType, effect, returnType);
915 //System.out.println("returnType: " + returnType);
916 if(!unresolvedItems.isEmpty()) {
917 ArrayList<TCon> concreteEffects = new ArrayList<TCon>();
918 effect.collectConcreteEffects(concreteEffects);
920 for(TCon eff : concreteEffects) {
921 EffectConstructor effC = compilationContext.environment.getEffectConstructor(eff);
922 for(ThreadLocalVariable var : effC.getThreadLocalVariables()) {
923 for(int i=0;i<unresolvedItems.size();++i) {
924 int id = unresolvedItems.get(i);
925 if(!expectedParameterTypes[id].equals(TypeDesc.OBJECT) &&
926 javaReferenceValidator.isAssignableFrom(expectedParameterTypes[id], var.type)) {
927 stackItems[id] = new ThreadLocalStackItem(var.variableName, var.type);
928 unresolvedItems.removeAt(i);
935 if(!unresolvedItems.isEmpty())
937 /*System.out.print("Unresolved: ");
938 boolean first = true;
939 for(int i=0;i<unresolvedItems.size();++i) {
943 System.out.print(", ");
944 System.out.print(expectedParameterTypes[unresolvedItems.get(i)]);
946 System.out.println();*/
948 OutputFilter filter = null;
950 TypeDesc providedReturnType = methodRef.getReturnType();
951 if(!providedReturnType.equals(Constants.FUNCTION)) {
952 while(returnType instanceof TFun && effect == Types.NO_EFFECTS) {
953 TFun fun = (TFun)returnType;
954 Type parameterType = Types.canonical(fun.domain);
955 if(!javaTypeTranslator.toTypeDesc(parameterType).equals(TypeDesc.VOID))
957 parameterTypes.add(parameterType);
958 effect = Types.canonical(fun.effect);
959 returnType = Types.canonical(fun.range);
962 TypeDesc expectedReturnType =
963 javaTypeTranslator.toTypeDesc(returnType);
964 if(!javaReferenceValidator.isAssignableFrom(expectedReturnType,
965 providedReturnType)) {
966 if(expectedReturnType.equals(TypeDesc.VOID)) {
967 if(providedReturnType.equals(TypeDesc.DOUBLE) || providedReturnType.equals(TypeDesc.LONG))
968 filter = Pop2OutputFilter.INSTANCE;
970 filter = PopOutputFilter.INSTANCE;
972 else if(expectedReturnType.equals(Constants.LIST)
973 && providedReturnType.equals(Constants.COLLECTION))
974 filter = ConvertToListFilter.INSTANCE;
980 CallJava result = new CallJava(
981 Types.freeVarsArray(type),
984 parameterTypes.toArray(new Type[parameterTypes.size()]),
988 //System.out.println(result.getType());
992 public void processMappingRelations(ArrayList<DMappingRelationAst> mappingRelationsAst) {
993 for(DMappingRelationAst mappingRelation : mappingRelationsAst) {
994 TypeAst[] parameterTypesAst = mappingRelation.parameterTypes;
995 Type[] parameterTypes = new Type[parameterTypesAst.length];
996 TypeTranslationContext typeTranslationContext = createTypeTranslationContext();
997 for(int i=0;i<parameterTypes.length;++i)
998 parameterTypes[i] = parameterTypesAst[i].toType(typeTranslationContext, Kinds.STAR);
999 MappingRelation mRel =
1000 new MappingRelation(Name.create(moduleName, mappingRelation.name), parameterTypes);
1001 mRel.location = mappingRelation.location;
1002 if(module.addMappingRelation(mRel))
1003 errorLog.log(mappingRelation.location, "Mapping relation " + mappingRelation.name +
1004 " has already been defined.");
1008 THashMap<String, DRuleAst> ruleAstMap = new THashMap<String, DRuleAst>();
1010 public void processRules(ArrayList<DRuleAst> rulesAst) {
1011 // Find implied mapping relations
1012 for(DRuleAst ruleA : rulesAst) {
1013 ArrayList<Query> whereSection = ruleA.getSections().get("where");
1014 if(whereSection != null)
1015 for(Query query : whereSection) {
1016 if(!(query instanceof QPreGuard))
1018 QPreGuard guard = (QPreGuard)query;
1019 if(!(guard.guard instanceof EApply))
1021 EApply apply = (EApply)guard.guard;
1022 if(!(apply.getFunction() instanceof EVar))
1025 String name = ((EVar)apply.getFunction()).name;
1026 if(module.getMappingRelation(name) != null)
1029 int arity = apply.getParameters().length;
1030 Type[] parameterTypes = new Type[arity];
1031 for(int i=0;i<arity;++i)
1032 parameterTypes[i] = Types.metaVar(Kinds.STAR);
1033 MappingRelation mRel =
1034 new MappingRelation(Name.create(moduleName, name), parameterTypes);
1035 mRel.location = query.location;
1036 module.addMappingRelation(mRel);
1038 if(ruleAstMap.put(ruleA.name, ruleA) != null)
1039 errorLog.log(ruleA.location, "Rule " + ruleA.name +
1040 " has already been defined.");
1044 for(String ruleName : ruleAstMap.keySet())
1045 processRule(ruleName);
1048 private TransformationRule processRule(String ruleName) {
1049 TransformationRule rule = module.getRule(ruleName);
1053 DRuleAst ruleAst = ruleAstMap.get(ruleName);
1054 if(ruleAst.alreadyProcessing) {
1055 errorLog.log(ruleAst.location, "Cyclic chain of rule extensions.");
1059 TransformationRule[] extendsRules;
1060 int length = ruleAst.extendsNames.length;
1062 extendsRules = TransformationRule.EMPTY_ARRAY;
1064 extendsRules = new TransformationRule[length];
1065 for(int i=0;i<length;++i) {
1067 String extendsName = ruleAst.extendsNames[i];
1068 TransformationRule extendsRule;
1069 if(ruleAstMap.containsKey(extendsName))
1070 extendsRule = processRule(extendsName);
1072 extendsRule = Environments.getRule(compilationContext.environment, extendsName);
1073 if(extendsRule == null)
1074 errorLog.log(ruleAst.location,
1075 "Couldn't resolve rule name " + extendsName + ".");
1077 extendsRules[i] = extendsRule;
1078 } catch(AmbiguousNameException e) {
1079 errorLog.log(ruleAst.location, e.getMessage());
1084 final THashMap<SectionName, Query[]> sections = new THashMap<SectionName, Query[]>();
1086 final TranslationContext context = createTranslationContext(ruleName);
1088 THashMap<String, Variable> variables = context.getVariables();
1089 for(TransformationRule extendsRule : extendsRules) {
1090 if(extendsRule == null)
1092 for(Variable var : extendsRule.variables)
1093 if(variables.put(var.getName(), var) != null) {
1094 errorLog.log(ruleAst.location,
1095 "Variable " + var.getName() + " is defined in more than one base rule, which is not currently allowed.");
1099 context.pushExistentialFrame();
1100 ruleAst.getSections().forEachEntry(new TObjectObjectProcedure<String, ArrayList<Query>>() {
1102 public boolean execute(String sectionNameString, ArrayList<Query> queries) {
1103 Query[] resolvedQueries = new Query[queries.size()];
1104 for(int i=0;i<resolvedQueries.length;++i)
1105 resolvedQueries[i] = queries.get(i).resolve(context);
1107 SectionName sectionName = SectionName.getSectionName(sectionNameString);
1108 if(sectionName == null)
1109 context.getErrorLog().log(queries.get(0).location,
1110 "Invalid section name " + sectionNameString + ".");
1112 sections.put(sectionName, resolvedQueries);
1117 Variable[] variables = context.getVariables().values().toArray(new Variable[context.getVariables().size()]);
1119 rule = new TransformationRule(ruleAst.isAbstract,
1120 Name.create(moduleName, ruleAst.name),
1122 sections, variables);
1123 rule.location = ruleAst.location;
1124 module.addRule(rule);
1128 public void addDataTypesToEnvironment() {
1129 for(StandardTypeConstructor dataType : dataTypes) {
1130 int constructorTag = 0;
1131 for(Constructor constructor : dataType.constructors) {
1132 SCLValue value = new SCLValue(constructor.name);
1133 value.definitionLocation = constructor.loc;
1134 SCLConstructor sclConstructor =
1136 constructor.name.name,
1137 constructor.javaName,
1138 constructor.getTypeVariables(),
1140 constructor.getReturnType(),
1141 constructor.fieldNames == null
1142 ? SCLConstructor.DEFAULT_FIELD_NAMES[constructor.getParameterTypes().length]
1143 : constructor.fieldNames,
1144 constructor.recordFieldNames,
1145 constructor.getParameterTypes());
1146 if(dataType.constructors.length == 1 && (
1147 dataType.getTypeDesc() == null ||
1148 (dataType.constructors[0].javaName != null &&
1149 dataType.constructors[0].javaName.equals(MethodBuilderBase.getClassName(dataType.getTypeDesc())))))
1150 sclConstructor.setOnlyConstructor(true);
1151 value.setValue(sclConstructor);
1152 value.setType(constructor.getType());
1154 NameExistenceChecks.checkIfValueExists(errorLog, constructor.loc,
1155 importedEnvironment, module, constructor.name.name);
1156 if(module.addValue(value)) {
1157 errorLog.log(constructor.loc,
1158 "Value " + constructor.name.name + " is already defined.");
1164 public void addTypeClassesToEnvironment() {
1165 for(TypeClass typeClass : module.getTypeClasses()) {
1166 for(TypeClassMethod method : typeClass.methods.values()) {
1167 SCLValue value = method.createValue();
1168 value.definitionLocation = method.location;
1169 NameExistenceChecks.checkIfValueExists(errorLog, Locations.NO_LOCATION,
1170 importedEnvironment, module, value.getName().name);
1172 if(module.addValue(value)) {
1173 String name = method.getName();
1174 long location = Locations.NO_LOCATION;
1175 ArrayList<DValueAst> definitions = valueDefinitionsAst.getDefinition(name);
1176 if(definitions != null && !definitions.isEmpty())
1177 location = definitions.get(0).location;
1178 errorLog.log(location, "Value " + name + " is already defined.");
1184 public void preprocessValueDefinitions(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1185 for(String name : valueDefinitionsAst.getValueNames()) {
1186 SCLValue value = new SCLValue(Name.create(moduleName, name));
1188 long location = valueDefinitionsAst.getLocation(name);
1189 NameExistenceChecks.checkIfValueExists(errorLog, location,
1190 importedEnvironment, module, value.getName().name);
1191 value.definitionLocation = location;
1192 if(module.addValue(value))
1193 errorLog.log(location, "Value " + name + " is already defined.");
1194 if(valueDefinitionsAst.isDerived(name))
1195 value.addProperty(DerivedProperty.INSTANCE);
1197 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1198 for(EVar name : valueTypeAst.names) {
1199 SCLValue value = module.getValue(name.name);
1201 errorLog.log(valueTypeAst.location, name.name + " is not defined.");
1202 value = new SCLValue(Name.create(moduleName, name.name));
1203 module.addValue(value);
1205 value.definitionLocation = name.location;
1207 for(String name : relationDefinitionsAst.getRelationNames()) {
1208 ConcreteRelation relation = new ConcreteRelation(name);
1209 module.addRelation(name, relation);
1213 public void addValueDefinitionsToEnvironment(ArrayList<DValueTypeAst> typeAnnotationsAst) {
1214 THashMap<String, DValueTypeAst> typeMap = new THashMap<String, DValueTypeAst>();
1215 for(DValueTypeAst valueTypeAst : typeAnnotationsAst)
1216 for(EVar name : valueTypeAst.names) {
1217 if(typeMap.containsKey(name.name))
1218 errorLog.log(valueTypeAst.location, "Type of "+name.name+" has already been declared in this module.");
1220 typeMap.put(name.name, valueTypeAst);
1223 for(String name : valueDefinitionsAst.getValueNames()) {
1224 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1225 if(defs.size() != 1 || !(defs.get(0).value instanceof EPreCHRRulesetConstructor))
1228 SCLValue value = module.getValue(name);
1229 TranslationContext context = createTranslationContext(name);
1230 Expression expression = context.translateCases2(defs);
1231 value.setExpression(expression);
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 for(String name : valueDefinitionsAst.getValueNames()) {
1241 ArrayList<DValueAst> defs = valueDefinitionsAst.getDefinition(name);
1242 if(defs.size() == 1 && defs.get(0).value instanceof EPreCHRRulesetConstructor)
1245 SCLValue value = module.getValue(name);
1246 TranslationContext context = createTranslationContext(name);
1247 Expression expression = context.translateCases2(defs);
1248 value.setExpression(expression);
1250 DValueTypeAst valueTypeAst = typeMap.remove(name);
1251 if(valueTypeAst != null)
1252 value.setType(Types.closure(context.toType(valueTypeAst.type)));
1254 ArrayList<DAnnotationAst> annotations = valueDefinitionsAst.getAnnotations(name);
1255 if(annotations != null)
1256 for(DAnnotationAst annotation : annotations) {
1257 handleAnnotation(value, defs, annotation);
1259 if(exportMap != null && exportMap.remove(name) == null)
1260 value.addProperty(PrivateProperty.INSTANCE);
1261 } catch(RuntimeException e) {
1262 errorLog.setExceptionPosition(defs.get(0).location);
1266 for(String name : relationDefinitionsAst.getRelationNames()) {
1267 ArrayList<DRelationAst> definitions = relationDefinitionsAst.getDefinition(name);
1268 if(definitions.size() > 1) {
1269 errorLog.log(definitions.get(1).location,
1270 "Does not yet support definition of relations by more than one rule.");
1274 DRelationAst definition = definitions.get(0);
1275 ConcreteRelation relation = (ConcreteRelation)module.getRelation(name);
1276 relation.location = definition.location;
1277 TranslationContext context = createTranslationContext(name);
1278 definition.translateTo(context, relation);
1282 private TranslationContext createTranslationContext(String definitionName) {
1283 return new TranslationContext(compilationContext, null, definitionName);
1286 private void handleAnnotation(SCLValue value, ArrayList<DValueAst> defs, DAnnotationAst annotation) {
1287 if(annotation.id.text.equals("@macro")) {
1288 value.setMacroRule(new StandardMacroRule());
1290 else if(annotation.id.text.equals("@inline")) {
1292 int arity = defs.get(0).lhs.getFunctionDefinitionPatternArity();
1293 int phaseMask = 0xffffffff;
1294 if(annotation.parameters.length > 0) {
1295 phaseMask = Integer.parseInt(((EIntegerLiteral)annotation.parameters[0]).getValue());
1297 value.addProperty(new InlineProperty(arity, phaseMask));
1298 } catch(NotPatternException e) {
1299 errorLog.log(annotation.location, "Inline annotation is invalid: this is not a function.");
1302 else if(annotation.id.text.equals("@private")) {
1303 if(moduleHeader != null && moduleHeader.export != null)
1304 errorLog.log(annotation.location, "Annotation @private is not used when module header contains export property.");
1305 value.addProperty(PrivateProperty.INSTANCE);
1307 else if(annotation.id.text.equals("@deprecated")) {
1308 String description = "";
1309 if(annotation.parameters.length > 0) {
1310 if(annotation.parameters.length > 1)
1311 errorLog.log(annotation.location, "Invalid number of parameters, expected one string.");
1313 String temp = AnnotationUtils.extractString(annotation.parameters[0]);
1315 errorLog.log(annotation.location, "Invalid parameter, expected one string.");
1320 value.addProperty(new DeprecatedProperty(description));
1323 errorLog.log(annotation.location, "Unknown annotation.");
1326 public void addSupplementedTypeAnnotationsToEnvironment() {
1327 for(SupplementedValueType valueType : supplementedTypeAnnotations) {
1328 Type type = Types.closure(valueType.type);
1329 String name = valueType.name;
1330 SCLValue value = module.getValue(name);
1332 errorLog.log(valueType.position,
1333 name + " is not defined.");
1334 else if(value.getType()==null)
1335 value.setType(type);
1337 errorLog.log(valueType.position,
1338 "Type of "+name+" has already been declared in this module.");
1342 public void addFixityToEnvironment(ArrayList<DFixityAst> fixityAst) {
1343 for(DFixityAst fixity : fixityAst) {
1344 for(EVar symbol : fixity.symbols) {
1345 String name = symbol.name;
1346 SCLValue value = module.getValue(name);
1348 errorLog.log(symbol.location,
1349 name + " is not defined.");
1351 value.setPrecedence(fixity.precedence);
1356 public void addCoverageBranchPoints() {
1357 branchPoints = new THashMap<String, BranchPoint[]>();
1358 BranchPointInjector injector = new BranchPointInjector();
1359 for(String valueName : valueDefinitionsAst.getValueNames()) {
1360 for(DValueAst valueAst : valueDefinitionsAst.getDefinition(valueName))
1361 valueAst.value = injector.injectBranchPoint(valueAst.value);
1362 branchPoints.put(valueName, injector.getAndClearBranchPoints());
1366 public void collectDebugInfo() {
1367 module.moduleDebugInfo = compilationContext.moduleDebugInfo = new ModuleDebugInfo();
1370 public void prepareExports() {
1371 if(moduleHeader != null && moduleHeader.export != null) {
1372 exportMap = new THashMap<String, EVar>();
1373 for(EVar export : moduleHeader.export)
1374 if(exportMap.put(export.name, export) != null)
1375 errorLog.log(export.location, "The symbol " + export.name + " is exported multiple times.");
1379 public void checkExports() {
1380 if(exportMap != null)
1381 for(EVar export : exportMap.values())
1382 errorLog.log(export.location, "The symbol " + export.name + " is not defined in the module.");