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Add proper error message #3149

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merged 1 commit into from
Feb 9, 2023
+6 −4
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Add proper error message #3149

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10 changes: 6 additions & 4 deletions kernel/src/main/java/org/kframework/compile/AddSortInjections.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.kframework.kore.Sort;
import org.kframework.parser.outer.Outer;
import org.kframework.utils.errorsystem.KEMException;
import scala.Option;
import scala.Tuple2;

import java.util.ArrayList;
Expand Down Expand Up @@ -437,11 +438,12 @@ private Production production(KApply term) {
if (term.klabel() instanceof KVariable) {
throw KEMException.internalError("KORE does not yet support KLabel variables.", term);
}
scala.collection.Set<Production> prods = mod.productionsFor().apply(((KApply) term).klabel().head());
if (prods.size() == 0) {
throw KEMException.compilerError("Could not find production for KApply with label " + term.klabel(), term);
Option<scala.collection.Set<Production>> prods = mod.productionsFor().get(term.klabel().head());
if (prods.isEmpty()) {
throw KEMException.compilerError("Could not find productions for KApply with label "
+ term.klabel() + " in module " + mod.name(), term);
}
return prods.head();
return prods.get().head();
}

private static Sort lub(Collection<Sort> entries, Sort expectedSort, HasLocation loc, Module mod) {
Expand Down