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Add translation layer from pattern matching exceptions #4069

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Add translation layer from pattern matching exceptions #4069

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23 changes: 23 additions & 0 deletions kore/src/main/java/org/kframework/utils/errorsystem/KEMException.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
package org.kframework.utils.errorsystem;

import java.util.Objects;
import java.util.Optional;
import org.kframework.attributes.HasLocation;
import org.kframework.attributes.Location;
import org.kframework.attributes.Source;
Expand Down Expand Up @@ -96,6 +97,17 @@ public static KEMException internalError(String message, Throwable e, HasLocatio
node.source().orElse(null));
}

public static KEMException internalError(
String message, Throwable e, Optional<Location> location, Optional<Source> source) {
return create(
ExceptionType.ERROR,
KExceptionGroup.INTERNAL,
message,
e,
location.orElse(null),
source.orElse(null));
}

public static KEMException compilerError(String message) {
return create(ExceptionType.ERROR, KExceptionGroup.COMPILER, message, null, null, null);
}
Expand Down Expand Up @@ -124,6 +136,17 @@ public static KEMException compilerError(String message, Throwable e, HasLocatio
node.source().orElse(null));
}

public static KEMException compilerError(
String message, Throwable e, Optional<Location> location, Optional<Source> source) {
return create(
ExceptionType.ERROR,
KExceptionGroup.COMPILER,
message,
e,
location.orElse(null),
source.orElse(null));
}

public static KEMException innerParserError(String message) {
return create(ExceptionType.ERROR, KExceptionGroup.INNER_PARSER, message, null, null, null);
}
Expand Down
37 changes: 35 additions & 2 deletions llvm-backend/src/main/java/org/kframework/backend/llvm/LLVMBackend.java
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,14 @@
import org.kframework.attributes.Att;
import org.kframework.backend.kore.KoreBackend;
import org.kframework.backend.llvm.matching.Matching;
import org.kframework.backend.llvm.matching.MatchingException;
import org.kframework.compile.Backend;
import org.kframework.kompile.KompileOptions;
import org.kframework.main.GlobalOptions;
import org.kframework.main.Tool;
import org.kframework.utils.Stopwatch;
import org.kframework.utils.errorsystem.KEMException;
import org.kframework.utils.errorsystem.KException;
import org.kframework.utils.errorsystem.KException.ExceptionType;
import org.kframework.utils.errorsystem.KExceptionManager;
import org.kframework.utils.file.FileUtil;
Expand Down Expand Up @@ -66,8 +68,9 @@ public void accept(Backend.Holder h) {
globalOptions.includesExceptionType(ExceptionType.USELESS_RULE),
options.enableSearch,
ex -> {
kem.addKException(ex);
if (globalOptions.includesExceptionType(ex.getType())) {
var translated = translateError(ex);
kem.addKException(translated);
if (globalOptions.includesExceptionType(translated.getType())) {
warnings.increment();
}
return null;
Expand Down Expand Up @@ -176,6 +179,36 @@ private void llvmKompile(String type, String executable) {
sw.printIntermediate(" \u2514" + executable + ": " + type);
}

private KException translateError(MatchingException ex) {
switch (ex.getType()) {
case USELESS_RULE -> {
return new KException(
ExceptionType.USELESS_RULE,
KException.KExceptionGroup.COMPILER,
ex.getMessage(),
ex.getSource().get(),
ex.getLocation().get());
}

case NON_EXHAUSTIVE_MATCH -> {
return new KException(
ExceptionType.NON_EXHAUSTIVE_MATCH,
KException.KExceptionGroup.COMPILER,
ex.getMessage(),
ex.getSource().get(),
ex.getLocation().get());
}

case INTERNAL_ERROR -> throw KEMException.internalError(
ex.getMessage(), ex, ex.getLocation(), ex.getSource());

case COMPILER_ERROR -> throw KEMException.compilerError(
ex.getMessage(), ex, ex.getLocation(), ex.getSource());
}

throw KEMException.criticalError("Unhandled pattern matching exception", ex);
}

private String getThreshold() {
if (!options.iterated && !kompileOptions.optimize3) {
return "0";
Expand Down
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