package org.simantics.scl.compiler.elaboration.expressions;
import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Set;
import org.simantics.scl.compiler.common.names.Name;
import org.simantics.scl.compiler.common.precedence.Precedence;
import org.simantics.scl.compiler.elaboration.errors.NotPatternException;
import org.simantics.scl.compiler.elaboration.expressions.lhstype.LhsType;
import org.simantics.scl.compiler.elaboration.expressions.lhstype.PatternMatchingLhs;
+import org.simantics.scl.compiler.elaboration.java.DynamicConstructor;
+import org.simantics.scl.compiler.elaboration.macros.MacroRule;
import org.simantics.scl.compiler.elaboration.modules.SCLValue;
import org.simantics.scl.compiler.errors.Locations;
import org.simantics.scl.compiler.internal.codegen.references.IVal;
import org.simantics.scl.compiler.types.util.MultiFunction;
import org.simantics.scl.compiler.types.util.TypeUnparsingContext;
-import gnu.trove.map.hash.TObjectIntHashMap;
-import gnu.trove.set.hash.THashSet;
-import gnu.trove.set.hash.TIntHashSet;
-
public class EConstant extends Expression {
public SCLValue value;
Type[] typeParameters;
setType(Types.instantiate(getType(), type));
return this;
}
-
+
@Override
- public void collectVars(TObjectIntHashMap<Variable> allVars,
- TIntHashSet vars) {
+ public Set<Variable> getFreeVariables() {
+ return Collections.emptySet();
}
public void toString(StringBuilder b, TypeUnparsingContext tuc) {
setType(Types.instantiate(value.getType(), typeParameters));
}
- @Override
- public IVal toVal(CompilationContext context, CodeWriter w) {
- IVal val = value.getValue();
- if(typeParameters.length > 0) {
- val = val.createSpecialization(typeParameters);
- }
- return val;
- }
-
@Override
- public void collectFreeVariables(THashSet<Variable> vars) {
+ public IVal toVal(CompilationContext context, CodeWriter w) {
+ IVal val = value.getValue();
+ if(typeParameters.length > 0) {
+ val = val.createSpecialization(typeParameters);
+ }
+ return val;
}
@Override
else
return value.getExpression().copy().simplify(context);
}
+ else {
+ MacroRule macroRule = value.getMacroRule();
+ if(macroRule != null) {
+ Expression newExpression = macroRule.inline(context, typeParameters);
+ if(newExpression != null)
+ return newExpression;
+ }
+ }
return this;
}
public Expression resolveAsPattern(TranslationContext context) {
return this;
}
-
- @Override
- public void removeFreeVariables(THashSet<Variable> vars) {
- }
@Override
public Expression replace(ReplaceContext context) {
context.recursiveReferences.add(placeholder);
return placeholder;
}
- else if(context.isInPattern()) {
+ else if(context.isInPattern() && value.getValue() != DynamicConstructor.INSTANCE /* HACK!! */) {
/* This is little hackish code that handles the following kind of constructors:
* data Thunk a = Thunk s (a -> s)
* in
EConstant other = (EConstant)expression;
return value == other.value && Types.equals(typeParameters, other.typeParameters);
}
+
+ @Override
+ public boolean isConstructorApplication() {
+ return true;
+ }
}