org.snapscript.tree.compile.FunctionScopeCompiler Maven / Gradle / Ivy
package org.snapscript.tree.compile;
import java.util.List;
import org.snapscript.core.constraint.Constraint;
import org.snapscript.core.function.Function;
import org.snapscript.core.scope.Scope;
import org.snapscript.core.scope.State;
import org.snapscript.core.scope.index.LocalScopeExtractor;
import org.snapscript.core.type.Type;
import org.snapscript.tree.constraint.GenericList;
public class FunctionScopeCompiler extends ScopeCompiler {
protected final LocalScopeExtractor extractor;
protected final GenericList generics;
public FunctionScopeCompiler(GenericList generics) {
this.extractor = new LocalScopeExtractor(false, true);
this.generics = generics;
}
@Override
public Scope define(Scope local, Type type) throws Exception{
List constraints = generics.getGenerics(local);
Scope scope = extractor.extract(local);
State state = scope.getState();
int size = constraints.size();
for(int i = 0; i < size; i++) {
Constraint constraint = constraints.get(i);
String name = constraint.getName(scope);
state.addConstraint(name, constraint);
}
return scope;
}
@Override
public Scope compile(Scope local, Type type, Function function) throws Exception {
List constraints = generics.getGenerics(local);
Scope scope = extractor.extract(local);
State state = scope.getState();
int size = constraints.size();
compileParameters(scope, function);
for(int i = 0; i < size; i++) {
Constraint constraint = constraints.get(i);
String name = constraint.getName(scope);
state.addConstraint(name, constraint);
}
return scope;
}
}