import org.simantics.scl.compiler.constants.IntegerConstant;
import org.simantics.scl.compiler.constants.JavaConstructor;
import org.simantics.scl.compiler.constants.JavaMethod;
+import org.simantics.scl.compiler.constants.NoRepConstant;
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.ObjectMethodRef;
import org.simantics.scl.compiler.constants.generic.MethodRef.SetFieldRef;
+import org.simantics.scl.compiler.elaboration.chr.analysis.CHRConstraintGGInfo;
import org.simantics.scl.compiler.elaboration.chr.analysis.UsageAnalysis;
import org.simantics.scl.compiler.elaboration.chr.plan.CHRSearchPlan;
import org.simantics.scl.compiler.elaboration.chr.plan.PlanRealizer;
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.elaboration.expressions.block.IncludeStatement;
+import org.simantics.scl.compiler.environment.AmbiguousNameException;
import org.simantics.scl.compiler.errors.Locations;
import org.simantics.scl.compiler.internal.codegen.chr.CHRCodeGenerationConstants;
import org.simantics.scl.compiler.internal.codegen.chr.CHRRuntimeRulesetCodeGenerator;
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.ssa.SSAFunction;
import org.simantics.scl.compiler.internal.codegen.types.StandardTypeConstructor;
+import org.simantics.scl.compiler.internal.codegen.utils.Constants;
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.Type;
import org.simantics.scl.compiler.types.Types;
+import gnu.trove.map.hash.THashMap;
import gnu.trove.map.hash.TObjectIntHashMap;
import gnu.trove.set.hash.THashSet;
import gnu.trove.set.hash.TIntHashSet;
public ArrayList<CHRConstraint> constraints = new ArrayList<CHRConstraint>();
public ArrayList<CHRRule> rules = new ArrayList<CHRRule>();
+ public ArrayList<IncludeStatement> includes = new ArrayList<IncludeStatement>();
+ public THashMap<CHRConstraint, IncludeStatement> constraintSourceMap = new THashMap<CHRConstraint, IncludeStatement>();
+ public THashMap<CHRConstraint, CHRConstraintGGInfo> activeConstraintGGInfo = new THashMap<CHRConstraint, CHRConstraintGGInfo>(); // contains also imported constraints
+ public THashMap<IncludeStatement, ArrayList<CHRConstraint>> inverseActiveConstraintSourceMap = new THashMap<IncludeStatement, ArrayList<CHRConstraint>>();
+
+ public boolean extensible;
public CHRConstraint initConstraint;
public int priorityCount;
- public String runtimeRulesetName;
+ public int initialPriorityNumber = 0;
+
+ public String runtimeRulesetClassName;
public TCon runtimeRulesetType;
public BoundVar runtimeRulesetVariable;
public TypeDesc runtimeRulesetTypeDesc;
- public Constant readCurrentId;
- public Constant writeCurrentId;
+
+ public static final Constant READ_CURRENT_ID = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.INTEGER, new Type[] {Types.CHRContext},
+ null, new FieldRef(CHRCodeGenerationConstants.CHRContext_name, "currentId", CHRRuntimeRulesetCodeGenerator.FACT_ID_TYPE), null);
+ public static final Constant WRITE_CURRENT_ID = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {Types.CHRContext, Types.INTEGER},
+ null, new SetFieldRef(CHRCodeGenerationConstants.CHRContext_name, "currentId", CHRRuntimeRulesetCodeGenerator.FACT_ID_TYPE), null);
+ public static final Constant GENERATE_ID = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.INTEGER, new Type[] {Types.CHRContext},
+ null, new ObjectMethodRef(false, CHRCodeGenerationConstants.CHRContext_name, "generateId", CHRRuntimeRulesetCodeGenerator.FACT_ID_TYPE, Constants.EMPTY_TYPEDESC_ARRAY), null);
// 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 CHRRulesetObject rulesetObject;
+ public SSAFunction initializer;
+ public SSAFunction deinitializer;
public CHRRuleset() {
initConstraint = new CHRConstraint(Locations.NO_LOCATION, INIT_CONSTRAINT, Type.EMPTY_ARRAY);
}
public void resolve(TranslationContext context) {
+ boolean failedIncludes = false;
+ for(IncludeStatement include : includes) {
+ try {
+ include.ruleset = context.resolveRuleset(include.name.text);
+ if(include.ruleset == null) {
+ failedIncludes = true;
+ context.getErrorLog().log(include.name.location, "Couldn't resolve ruleset " + include.name + ".");
+ continue;
+ }
+ include.value = include.value.resolve(context);
+ for(CHRConstraint constraint : include.ruleset.constraints) {
+ context.newCHRConstraint(constraint.name, constraint);
+ constraintSourceMap.put(constraint, include);
+ }
+ } catch (AmbiguousNameException e) {
+ failedIncludes = true;
+ context.getErrorLog().log(include.name.location, e.getMessage());
+ }
+ }
+ if(failedIncludes)
+ return;
for(CHRConstraint constraint : constraints)
context.newCHRConstraint(constraint.name, constraint);
priorityCount = 0;
}
public void collectRefs(TObjectIntHashMap<Object> allRefs, TIntHashSet refs) {
+ for(IncludeStatement include : includes)
+ include.value.collectRefs(allRefs, refs);
for(CHRRule rule : rules)
rule.collectRefs(allRefs, refs);
}
public void checkType(TypingContext context) {
+ for(IncludeStatement include : includes)
+ include.value = include.value.checkType(context, include.ruleset.runtimeRulesetType);
for(CHRRule rule : rules)
rule.checkType(context);
}
public void collectVars(TObjectIntHashMap<Variable> allVars, TIntHashSet vars) {
+ for(IncludeStatement include : includes)
+ include.value.collectVars(allVars, vars);
for(CHRRule rule : rules)
rule.collectVars(allVars, vars);
}
public void forVariables(VariableProcedure procedure) {
+ for(IncludeStatement include : includes)
+ include.value.forVariables(procedure);
for(CHRRule rule : rules)
rule.forVariables(procedure);
}
public void collectFreeVariables(THashSet<Variable> vars) {
+ for(IncludeStatement include : includes)
+ include.value.collectFreeVariables(vars);
for(CHRRule rule : rules)
rule.collectFreeVariables(vars);
}
rule.setLocationDeep(loc);
}
}
+
+ public int getMinimumPriority(CHRConstraint constraint) {
+ CHRConstraintGGInfo info = activeConstraintGGInfo.get(constraint);
+ if(info == null)
+ return Integer.MAX_VALUE;
+ else
+ return info.minimumPriority;
+ }
+
+ public int getAndUpdateNextPriority(CHRConstraint constraint, int nextPriority) {
+ CHRConstraintGGInfo info = activeConstraintGGInfo.get(constraint);
+ if(info == null)
+ return Integer.MAX_VALUE;
+ else {
+ int result = info.nextPriority;
+ info.nextPriority = nextPriority;
+ return result;
+ }
+ }
public void compile(SimplificationContext context) {
initializeCodeGeneration(context.getCompilationContext());
+ if(extensible)
+ applyExtensibleDefaults();
UsageAnalysis.analyzeUsage(this);
- for(CHRRule rule : rules)
+ for(CHRRule rule : rules) {
rule.compile(context.getCompilationContext(), initConstraint);
+ for(CHRSearchPlan plan : rule.plans) {
+ CHRConstraint constraint = plan.constraint;
+ if(!activeConstraintGGInfo.containsKey(constraint)) {
+ activeConstraintGGInfo.put(constraint, new CHRConstraintGGInfo(rule.priority));
+ IncludeStatement include = constraintSourceMap.get(constraint);
+ if(include != null) {
+ ArrayList<CHRConstraint> list = inverseActiveConstraintSourceMap.get(include);
+ if(list == null) {
+ list = new ArrayList<CHRConstraint>(4);
+ inverseActiveConstraintSourceMap.put(include, list);
+ }
+ list.add(constraint);
+ }
+ }
+ }
+ }
// remove init constraint if it is not useful
- if(initConstraint.minimumPriority == Integer.MAX_VALUE) {
+ if(getMinimumPriority(initConstraint) == Integer.MAX_VALUE) {
constraints.remove(0);
initConstraint = null;
}
}
+ private void applyExtensibleDefaults() {
+ for(CHRConstraint constraint : constraints) {
+ // FIXME Too much indexing!!!
+ int max = 1 << constraint.parameterTypes.length;
+ for(int i=0;i<max;++i)
+ constraint.getOrCreateIndex(cachedContext, i);
+ constraint.setMayBeRemoved();
+ /*
+ constraint.getOrCreateIndex(cachedContext, 0);
+ if(constraint.parameterTypes.length > 0)
+ constraint.getOrCreateIndex(cachedContext, 1);*/
+ }
+ }
+
public void simplify(SimplificationContext context) {
+ for(IncludeStatement include : includes)
+ include.value = include.value.simplify(context);
for(CHRRule rule : rules)
rule.simplify(context);
}
+ public void setRulesetType(TCon type, String className) {
+ this.runtimeRulesetType = type;
+ this.runtimeRulesetClassName = className;
+ }
+
public void initializeCodeGeneration(CompilationContext context) {
cachedContext = context; // FIXME remove
- String suffix = context.namingPolicy.getFreshClosureClassNameSuffix();
- runtimeRulesetType = Types.con(context.namingPolicy.getModuleName(), "CHR" + suffix);
- runtimeRulesetName = context.namingPolicy.getModuleClassName() + suffix;
- runtimeRulesetTypeDesc = TypeDesc.forClass(runtimeRulesetName);
+ boolean createTypeDesc = false;
+ if(runtimeRulesetType == null) {
+ String suffix = context.namingPolicy.getFreshClosureClassNameSuffix();
+ setRulesetType(Types.con(context.namingPolicy.getModuleName(), "CHR" + suffix), context.namingPolicy.getModuleClassName() + suffix);
+ createTypeDesc = true;
+ }
+ runtimeRulesetTypeDesc = TypeDesc.forClass(runtimeRulesetClassName);
runtimeRulesetVariable = new BoundVar(runtimeRulesetType);
for(CHRConstraint constraint : constraints)
constraint.initializeCodeGeneration(context, this);
- readCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.INTEGER, new Type[] {Types.CHRContext},
- null, new FieldRef(CHRCodeGenerationConstants.CHRContext_name, "currentId", CHRRuntimeRulesetCodeGenerator.FACT_ID_TYPE), null);
- writeCurrentId = new CallJava(TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {Types.CHRContext, Types.INTEGER},
- null, new SetFieldRef(CHRCodeGenerationConstants.CHRContext_name, "currentId", CHRRuntimeRulesetCodeGenerator.FACT_ID_TYPE), null);
- if(context.module != null) // for unit testing
+ if(createTypeDesc && context.module != null) // for unit testing
context.module.addTypeDescriptor(runtimeRulesetType.name, new StandardTypeConstructor(runtimeRulesetType, TVar.EMPTY_ARRAY, runtimeRulesetTypeDesc));
}
public static final Constant ACTIVATE = new JavaMethod(true, CHRCodeGenerationConstants.CHRContext_name, "activate", Types.PROC, Types.UNIT, Types.CHRContext, Types.INTEGER);
private static final Constant CREATE_CHR_CONTEXT = new JavaConstructor("org/simantics/scl/runtime/chr/CHRContext", Types.PROC, Types.CHRContext);
- public void generateCode(CodeWriter w) {
+ public IVal generateCode(CodeWriter w) {
+ for(IncludeStatement include : includes) {
+ include.storeVar = include.value.toVal(cachedContext, w);
+ initialPriorityNumber = Math.max(initialPriorityNumber, include.ruleset.initialPriorityNumber + include.ruleset.priorityCount);
+ }
CHRRulesetObject object = new CHRRulesetObject(runtimeRulesetVariable, this);
w.defineObject(object);
for(CHRRule rule : rules) {
methodWriter.return_(BooleanConstant.TRUE);
}
}
+ if(!includes.isEmpty() || extensible) {
+ {
+ CodeWriter methodWriter = object.createMethod(w.getModuleWriter(), TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {Types.CHRContext});
+ initializer = methodWriter.getFunction();
+ for(IncludeStatement include : includes) {
+ methodWriter.apply(include.location,
+ new JavaMethod(true, runtimeRulesetClassName, "register", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext, include.ruleset.runtimeRulesetType}),
+ object.getTarget(), methodWriter.getParameters()[0], include.storeVar);
+ }
+ if(extensible)
+ methodWriter.apply(Locations.NO_LOCATION,
+ new JavaMethod(true, runtimeRulesetClassName, "register", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext}),
+ object.getTarget(), methodWriter.getParameters()[0]);
+ methodWriter.return_(NoRepConstant.UNIT);
+ }
+ {
+ CodeWriter methodWriter = object.createMethod(w.getModuleWriter(), TVar.EMPTY_ARRAY, Types.PROC, Types.UNIT, new Type[] {Types.CHRContext});
+ deinitializer = methodWriter.getFunction();
+ for(IncludeStatement include : includes) {
+ methodWriter.apply(include.location,
+ new JavaMethod(true, runtimeRulesetClassName, "unregister", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext, include.ruleset.runtimeRulesetType}),
+ object.getTarget(), methodWriter.getParameters()[0], include.storeVar);
+ }
+ if(extensible)
+ methodWriter.apply(Locations.NO_LOCATION,
+ new JavaMethod(true, runtimeRulesetClassName, "unregister", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext}),
+ object.getTarget(), methodWriter.getParameters()[0]);
+ methodWriter.return_(NoRepConstant.UNIT);
+ }
+ }
if(initConstraint != null) {
IVal chrContext = w.apply(location, CREATE_CHR_CONTEXT);
- IVal initFact = w.apply(location, initConstraint.constructor, IntegerConstant.ZERO);
+ if(initializer != null) {
+ w.apply(location,
+ new JavaMethod(true, runtimeRulesetClassName, "initialize", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext}),
+ object.getTarget(), chrContext);
+ }
+ IVal initFact = w.apply(location, initConstraint.constructor, w.apply(location, GENERATE_ID, chrContext));
w.apply(location, initConstraint.addProcedure, runtimeRulesetVariable, chrContext, initFact);
w.apply(location, ACTIVATE, chrContext, new IntegerConstant(Integer.MAX_VALUE));
+ if(deinitializer != null) {
+ w.apply(location,
+ new JavaMethod(true, runtimeRulesetClassName, "deinitialize", Types.PROC, Types.UNIT, new Type[] {runtimeRulesetType, Types.CHRContext}),
+ object.getTarget(), chrContext);
+ }
}
+ return runtimeRulesetVariable;
}
public void collectEffects(THashSet<Type> effects) {
literal.collectEnforceEffects(effects);
}
}
+
+ public void addRule(CHRRule rule) {
+ rules.add(rule);
+ rule.parentRuleset = this;
+ }
}
Code Review / simantics / platform.git / blobdiff