-package org.simantics.scl.compiler.elaboration.chr;\r
-\r
-import java.util.ArrayList;\r
-\r
-import org.cojen.classfile.TypeDesc;\r
-import org.simantics.scl.compiler.compilation.CompilationContext;\r
-import org.simantics.scl.compiler.constants.BooleanConstant;\r
-import org.simantics.scl.compiler.constants.Constant;\r
-import org.simantics.scl.compiler.constants.IntegerConstant;\r
-import org.simantics.scl.compiler.constants.JavaMethod;\r
-import org.simantics.scl.compiler.constants.generic.CallJava;\r
-import org.simantics.scl.compiler.constants.generic.MethodRef.FieldRef;\r
-import org.simantics.scl.compiler.constants.generic.MethodRef.SetFieldRef;\r
-import org.simantics.scl.compiler.elaboration.chr.analysis.UsageAnalysis;\r
-import org.simantics.scl.compiler.elaboration.chr.plan.PlanOp;\r
-import org.simantics.scl.compiler.elaboration.chr.plan.PlanRealizer;\r
-import org.simantics.scl.compiler.elaboration.chr.plan.PrioritizedPlan;\r
-import org.simantics.scl.compiler.elaboration.chr.relations.CHRConstraint;\r
-import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;\r
-import org.simantics.scl.compiler.elaboration.contexts.TypingContext;\r
-import org.simantics.scl.compiler.elaboration.expressions.Variable;\r
-import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;\r
-import org.simantics.scl.compiler.errors.Locations;\r
-import org.simantics.scl.compiler.internal.codegen.chr.CHRCodeGenerator;\r
-import org.simantics.scl.compiler.internal.codegen.references.BoundVar;\r
-import org.simantics.scl.compiler.internal.codegen.references.IVal;\r
-import org.simantics.scl.compiler.internal.codegen.types.StandardTypeConstructor;\r
-import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;\r
-import org.simantics.scl.compiler.internal.parsing.Symbol;\r
-import org.simantics.scl.compiler.types.TCon;\r
-import org.simantics.scl.compiler.types.TVar;\r
-import org.simantics.scl.compiler.types.Type;\r
-import org.simantics.scl.compiler.types.Types;\r
-\r
-import gnu.trove.map.hash.TObjectIntHashMap;\r
-import gnu.trove.set.hash.THashSet;\r
-import gnu.trove.set.hash.TIntHashSet;\r
-\r
-public class CHRRuleset extends Symbol {\r
- \r
- public static final String INIT_CONSTRAINT = "__INIT__";\r
- \r
- public ArrayList<CHRConstraint> constraints = new ArrayList<CHRConstraint>();\r
- public ArrayList<CHRRule> rules = new ArrayList<CHRRule>();\r
- \r
- public CHRConstraint initConstraint;\r
- public int priorityCount;\r
- \r
- public String storeClassName;\r
- public TCon storeType;\r
- public BoundVar storeVariable;\r
- public TypeDesc storeTypeDesc;\r
- public Constant activateProcedure;\r
- public Constant readCurrentId;\r
- public Constant writeCurrentId;\r
- \r
- // FIXME remove and change the parameter of Expression.toVal\r
- private CompilationContext cachedContext;\r
- \r
- // For code generation\r
- public BoundVar this_;\r
- public BoundVar[] parameters;\r
- public TypeDesc[] parameterTypeDescs;\r
- \r
- public CHRRuleset() {\r
- initConstraint = new CHRConstraint(Locations.NO_LOCATION, INIT_CONSTRAINT, Type.EMPTY_ARRAY);\r
- constraints.add(initConstraint);\r
- }\r
- \r
- public void resolve(TranslationContext context) {\r
- for(CHRConstraint constraint : constraints)\r
- context.newCHRConstraint(constraint.name, constraint);\r
- priorityCount = 0;\r
- for(CHRRule rule : rules) {\r
- rule.resolve(context);\r
- rule.priority = priorityCount++;\r
- }\r
- /*for(CHRConstraint constraint : constraints) {\r
- Variable newVariable = context.newVariable("claim" + constraint.factClassName);\r
- }*/\r
- }\r
-\r
- public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {\r
- for(CHRRule rule : rules)\r
- rule.collectRefs(allRefs, refs);\r
- }\r
-\r
- public void checkType(TypingContext context) {\r
- for(CHRRule rule : rules)\r
- rule.checkType(context);\r
- }\r
-\r
- public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {\r
- for(CHRRule rule : rules)\r
- rule.collectVars(allVars, vars);\r
- }\r
-\r
- public void forVariables(VariableProcedure procedure) {\r
- for(CHRRule rule : rules)\r
- rule.forVariables(procedure);\r
- }\r
-\r
- public void collectFreeVariables(THashSet<Variable> vars) {\r
- for(CHRRule rule : rules)\r
- rule.collectFreeVariables(vars);\r
- }\r
-\r
- public void setLocationDeep(long loc) {\r
- if(location == Locations.NO_LOCATION) {\r
- this.location = loc;\r
- for(CHRRule rule : rules)\r
- rule.setLocationDeep(loc);\r
- }\r
- }\r
-\r
- public void compile(SimplificationContext context) {\r
- initializeCodeGeneration(context.getCompilationContext());\r
- UsageAnalysis.analyzeUsage(this);\r
- for(CHRRule rule : rules)\r
- rule.compile(context.getCompilationContext(), initConstraint);\r
- // remove init constraint if it is not useful\r
- if(initConstraint.plans.isEmpty()) {\r
- constraints.remove(0);\r
- initConstraint = null;\r
- }\r
- for(CHRConstraint constraint : constraints) {\r
- constraint.plans.sort((PrioritizedPlan a, PrioritizedPlan b) -> {\r
- return Integer.compare(a.priority, b.priority);\r
- });\r
- /*System.out.println(constraint.name);\r
- for(PrioritizedPlan plan : constraint.plans) {\r
- System.out.println(" priority " + plan.priority);\r
- for(PlanOp op : plan.ops)\r
- System.out.println(" " + op);\r
- }*/\r
- }\r
- }\r
-\r
- public void simplify(SimplificationContext context) {\r
- for(CHRRule rule : rules)\r
- rule.simplify(context);\r
- }\r
- \r
- public void initializeCodeGeneration(CompilationContext context) {\r
- cachedContext = context; // FIXME remove\r
- \r
- String suffix = context.namingPolicy.getFreshClosureClassNameSuffix();\r
- storeType = Types.con(context.namingPolicy.getModuleName(), "CHR" + suffix);\r
- storeClassName = context.namingPolicy.getModuleClassName() + suffix;\r
- storeTypeDesc = TypeDesc.forClass(storeClassName);\r
- storeVariable = new BoundVar(storeType); \r
- for(CHRConstraint constraint : constraints)\r
- constraint.initializeCodeGeneration(context, this);\r
- activateProcedure = new JavaMethod(true, storeClassName, "activate", Types.PROC, Types.UNIT, storeType, Types.INTEGER);\r
- readCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.INTEGER, new Type[] {storeType},\r
- null, new FieldRef(storeClassName, "currentId", CHRCodeGenerator.FACT_ID_TYPE), null);\r
- writeCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {storeType, Types.INTEGER},\r
- null, new SetFieldRef(storeClassName, "currentId", CHRCodeGenerator.FACT_ID_TYPE), null);\r
- if(context.module != null) // for unit testing\r
- context.module.addTypeDescriptor(storeType.name, new StandardTypeConstructor(storeType, TVar.EMPTY_ARRAY, storeTypeDesc));\r
- }\r
- \r
- public void generateCode(CodeWriter w) {\r
- CHRRulesetObject object = new CHRRulesetObject(storeVariable, this);\r
- w.defineObject(object);\r
- for(CHRConstraint constraint : constraints) {\r
- //System.out.println(constraint);\r
- for(PrioritizedPlan plan : constraint.plans) {\r
- /*System.out.println(" plan " + plan.priority);\r
- for(PlanOp planOp : plan.ops)\r
- System.out.println(" " + planOp);*/\r
- PlanRealizer realizer = new PlanRealizer(cachedContext, this, storeVariable, plan.ops);\r
- CodeWriter methodWriter = object.createMethod(w.getModuleWriter(), TVar.EMPTY_ARRAY, Types.PROC, Types.BOOLEAN, new Type[] {constraint.factType});\r
- plan.implementation = methodWriter.getFunction();\r
- plan.activeFact.setVal(methodWriter.getParameters()[0]);\r
- realizer.nextOp(methodWriter);\r
- if(methodWriter.isUnfinished())\r
- methodWriter.return_(BooleanConstant.TRUE);\r
- }\r
- }\r
- if(initConstraint != null) {\r
- IVal initFact = w.apply(location, initConstraint.constructor, IntegerConstant.ZERO);\r
- w.apply(location, initConstraint.addProcedure, storeVariable, initFact);\r
- w.apply(location, activateProcedure, storeVariable, new IntegerConstant(Integer.MAX_VALUE));\r
- }\r
- }\r
-\r
- public void collectEffects(THashSet<Type> effects) {\r
- for(CHRRule rule : rules) {\r
- for(CHRLiteral literal : rule.head.literals)\r
- literal.collectQueryEffects(effects);\r
- for(CHRLiteral literal : rule.head.literals)\r
- literal.collectEnforceEffects(effects);\r
- }\r
- }\r
-}\r
+package org.simantics.scl.compiler.elaboration.chr;
+
+import java.util.ArrayList;
+
+import org.cojen.classfile.TypeDesc;
+import org.simantics.scl.compiler.compilation.CompilationContext;
+import org.simantics.scl.compiler.constants.BooleanConstant;
+import org.simantics.scl.compiler.constants.Constant;
+import org.simantics.scl.compiler.constants.IntegerConstant;
+import org.simantics.scl.compiler.constants.JavaMethod;
+import org.simantics.scl.compiler.constants.generic.CallJava;
+import org.simantics.scl.compiler.constants.generic.MethodRef.FieldRef;
+import org.simantics.scl.compiler.constants.generic.MethodRef.SetFieldRef;
+import org.simantics.scl.compiler.elaboration.chr.analysis.UsageAnalysis;
+import org.simantics.scl.compiler.elaboration.chr.plan.PlanOp;
+import org.simantics.scl.compiler.elaboration.chr.plan.PlanRealizer;
+import org.simantics.scl.compiler.elaboration.chr.plan.PrioritizedPlan;
+import org.simantics.scl.compiler.elaboration.chr.relations.CHRConstraint;
+import org.simantics.scl.compiler.elaboration.contexts.SimplificationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TranslationContext;
+import org.simantics.scl.compiler.elaboration.contexts.TypingContext;
+import org.simantics.scl.compiler.elaboration.expressions.Variable;
+import org.simantics.scl.compiler.elaboration.expressions.VariableProcedure;
+import org.simantics.scl.compiler.errors.Locations;
+import org.simantics.scl.compiler.internal.codegen.chr.CHRCodeGenerator;
+import org.simantics.scl.compiler.internal.codegen.references.BoundVar;
+import org.simantics.scl.compiler.internal.codegen.references.IVal;
+import org.simantics.scl.compiler.internal.codegen.types.StandardTypeConstructor;
+import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
+import org.simantics.scl.compiler.internal.parsing.Symbol;
+import org.simantics.scl.compiler.types.TCon;
+import org.simantics.scl.compiler.types.TVar;
+import org.simantics.scl.compiler.types.Type;
+import org.simantics.scl.compiler.types.Types;
+
+import gnu.trove.map.hash.TObjectIntHashMap;
+import gnu.trove.set.hash.THashSet;
+import gnu.trove.set.hash.TIntHashSet;
+
+public class CHRRuleset extends Symbol {
+
+ public static final String INIT_CONSTRAINT = "__INIT__";
+
+ public ArrayList<CHRConstraint> constraints = new ArrayList<CHRConstraint>();
+ public ArrayList<CHRRule> rules = new ArrayList<CHRRule>();
+
+ public CHRConstraint initConstraint;
+ public int priorityCount;
+
+ public String storeClassName;
+ public TCon storeType;
+ public BoundVar storeVariable;
+ public TypeDesc storeTypeDesc;
+ public Constant activateProcedure;
+ public Constant readCurrentId;
+ public Constant writeCurrentId;
+
+ // FIXME remove and change the parameter of Expression.toVal
+ private CompilationContext cachedContext;
+
+ // For code generation
+ public BoundVar this_;
+ public BoundVar[] parameters;
+ public TypeDesc[] parameterTypeDescs;
+
+ public CHRRuleset() {
+ initConstraint = new CHRConstraint(Locations.NO_LOCATION, INIT_CONSTRAINT, Type.EMPTY_ARRAY);
+ constraints.add(initConstraint);
+ }
+
+ public void resolve(TranslationContext context) {
+ for(CHRConstraint constraint : constraints)
+ context.newCHRConstraint(constraint.name, constraint);
+ priorityCount = 0;
+ for(CHRRule rule : rules) {
+ rule.resolve(context);
+ rule.priority = priorityCount++;
+ }
+ /*for(CHRConstraint constraint : constraints) {
+ Variable newVariable = context.newVariable("claim" + constraint.factClassName);
+ }*/
+ }
+
+ public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {
+ for(CHRRule rule : rules)
+ rule.collectRefs(allRefs, refs);
+ }
+
+ public void checkType(TypingContext context) {
+ for(CHRRule rule : rules)
+ rule.checkType(context);
+ }
+
+ public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {
+ for(CHRRule rule : rules)
+ rule.collectVars(allVars, vars);
+ }
+
+ public void forVariables(VariableProcedure procedure) {
+ for(CHRRule rule : rules)
+ rule.forVariables(procedure);
+ }
+
+ public void collectFreeVariables(THashSet<Variable> vars) {
+ for(CHRRule rule : rules)
+ rule.collectFreeVariables(vars);
+ }
+
+ public void setLocationDeep(long loc) {
+ if(location == Locations.NO_LOCATION) {
+ this.location = loc;
+ for(CHRRule rule : rules)
+ rule.setLocationDeep(loc);
+ }
+ }
+
+ public void compile(SimplificationContext context) {
+ initializeCodeGeneration(context.getCompilationContext());
+ UsageAnalysis.analyzeUsage(this);
+ for(CHRRule rule : rules)
+ rule.compile(context.getCompilationContext(), initConstraint);
+ // remove init constraint if it is not useful
+ if(initConstraint.plans.isEmpty()) {
+ constraints.remove(0);
+ initConstraint = null;
+ }
+ for(CHRConstraint constraint : constraints) {
+ constraint.plans.sort((PrioritizedPlan a, PrioritizedPlan b) -> {
+ return Integer.compare(a.priority, b.priority);
+ });
+ /*System.out.println(constraint.name);
+ for(PrioritizedPlan plan : constraint.plans) {
+ System.out.println(" priority " + plan.priority);
+ for(PlanOp op : plan.ops)
+ System.out.println(" " + op);
+ }*/
+ }
+ }
+
+ public void simplify(SimplificationContext context) {
+ for(CHRRule rule : rules)
+ rule.simplify(context);
+ }
+
+ public void initializeCodeGeneration(CompilationContext context) {
+ cachedContext = context; // FIXME remove
+
+ String suffix = context.namingPolicy.getFreshClosureClassNameSuffix();
+ storeType = Types.con(context.namingPolicy.getModuleName(), "CHR" + suffix);
+ storeClassName = context.namingPolicy.getModuleClassName() + suffix;
+ storeTypeDesc = TypeDesc.forClass(storeClassName);
+ storeVariable = new BoundVar(storeType);
+ for(CHRConstraint constraint : constraints)
+ constraint.initializeCodeGeneration(context, this);
+ activateProcedure = new JavaMethod(true, storeClassName, "activate", Types.PROC, Types.UNIT, storeType, Types.INTEGER);
+ readCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.INTEGER, new Type[] {storeType},
+ null, new FieldRef(storeClassName, "currentId", CHRCodeGenerator.FACT_ID_TYPE), null);
+ writeCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {storeType, Types.INTEGER},
+ null, new SetFieldRef(storeClassName, "currentId", CHRCodeGenerator.FACT_ID_TYPE), null);
+ if(context.module != null) // for unit testing
+ context.module.addTypeDescriptor(storeType.name, new StandardTypeConstructor(storeType, TVar.EMPTY_ARRAY, storeTypeDesc));
+ }
+
+ public void generateCode(CodeWriter w) {
+ CHRRulesetObject object = new CHRRulesetObject(storeVariable, this);
+ w.defineObject(object);
+ for(CHRConstraint constraint : constraints) {
+ //System.out.println(constraint);
+ for(PrioritizedPlan plan : constraint.plans) {
+ /*System.out.println(" plan " + plan.priority);
+ for(PlanOp planOp : plan.ops)
+ System.out.println(" " + planOp);*/
+ PlanRealizer realizer = new PlanRealizer(cachedContext, this, storeVariable, plan.ops);
+ CodeWriter methodWriter = object.createMethod(w.getModuleWriter(), TVar.EMPTY_ARRAY, Types.PROC, Types.BOOLEAN, new Type[] {constraint.factType});
+ plan.implementation = methodWriter.getFunction();
+ plan.activeFact.setVal(methodWriter.getParameters()[0]);
+ realizer.nextOp(methodWriter);
+ if(methodWriter.isUnfinished())
+ methodWriter.return_(BooleanConstant.TRUE);
+ }
+ }
+ if(initConstraint != null) {
+ IVal initFact = w.apply(location, initConstraint.constructor, IntegerConstant.ZERO);
+ w.apply(location, initConstraint.addProcedure, storeVariable, initFact);
+ w.apply(location, activateProcedure, storeVariable, new IntegerConstant(Integer.MAX_VALUE));
+ }
+ }
+
+ public void collectEffects(THashSet<Type> effects) {
+ for(CHRRule rule : rules) {
+ for(CHRLiteral literal : rule.head.literals)
+ literal.collectQueryEffects(effects);
+ for(CHRLiteral literal : rule.head.literals)
+ literal.collectEnforceEffects(effects);
+ }
+ }
+}
Code Review / simantics / platform.git / blobdiff