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Truffle is a multi-language framework for executing dynamic languages
that achieves high performance when combined with Graal.
/*
* Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* The Universal Permissive License (UPL), Version 1.0
*
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* person obtaining a copy of this software, associated documentation and/or
* data (collectively the "Software"), free of charge and under any and all
* copyright rights in the Software, and any and all patent rights owned or
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* the Larger Works (as defined below), to deal in both
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* (a) the Software, and
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* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.polyglot;
import java.lang.reflect.Type;
import java.util.Arrays;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
final class PolyglotInteropErrors {
private PolyglotInteropErrors() {
}
@TruffleBoundary
static RuntimeException cannotConvertPrimitive(PolyglotLanguageContext context, Object value, Class targetType) {
String reason;
if (EngineAccessor.HOST.isPrimitiveTarget(targetType)) {
reason = "Invalid or lossy primitive coercion.";
} else {
reason = "Unsupported target type.";
}
return PolyglotEngineException.classCast(String.format("Cannot convert %s to Java type '%s': %s",
getValueInfo(context, value),
targetType.getTypeName(),
reason));
}
@TruffleBoundary
static RuntimeException invalidListIndex(PolyglotLanguageContext context, Object receiver, Type componentType, int index) {
String message = String.format("Invalid index %s for List<%s> %s.", index, formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.arrayIndexOutOfBounds(message);
}
private static Object formatComponentType(Type componentType) {
return (componentType == null || componentType == Object.class) ? "Object" : componentType.getTypeName();
}
@TruffleBoundary
static RuntimeException listUnsupported(PolyglotLanguageContext context, Object receiver, Type componentType, String operation) {
String message = String.format("Unsupported operation %s for List<%s> %s.", operation, formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException iterableUnsupported(PolyglotLanguageContext context, Object receiver, Type componentType, String operation) {
String message = String.format("Unsupported operation %s for Iterable<%s> %s.", operation, formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException iteratorUnsupported(PolyglotLanguageContext context, Object receiver, Type componentType, String operation) {
String message = String.format("Unsupported operation %s for Iterator<%s> %s.", operation, formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException stopIteration(PolyglotLanguageContext context, Object receiver, Type componentType) {
String message = String.format("Iteration was stopped for Iterator<%s> %s.", formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.noSuchElement(message);
}
@TruffleBoundary
static RuntimeException iteratorConcurrentlyModified(PolyglotLanguageContext context, Object receiver, Type componentType) {
String message = String.format("Content was modified during iteration of Iterator<%s> %s.", formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.concurrentModificationException(message);
}
@TruffleBoundary
static RuntimeException iteratorElementUnreadable(PolyglotLanguageContext context, Object receiver, Type componentType) {
String message = String.format("Element is not readable for Iterator<%s> %s.", formatComponentType(componentType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException mapUnsupported(PolyglotLanguageContext context, Object receiver, Type keyType, Type valueType, String operation) {
String message = String.format("Unsupported operation %s for Map<%s, %s> %s.", operation, formatComponentType(keyType), formatComponentType(valueType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException invalidMapValue(PolyglotLanguageContext context, Object receiver, Type keyType, Type valueType, Object identifier, Object value) {
throw PolyglotEngineException.classCast(
String.format("Invalid value %s for Map<%s, %s> %s and identifier '%s'.",
getValueInfo(context, value), formatComponentType(keyType), formatComponentType(valueType), getValueInfo(context, receiver), identifier));
}
@TruffleBoundary
static RuntimeException invalidMapIdentifier(PolyglotLanguageContext context, Object receiver, Type keyType, Type valueType, Object identifier) {
if (identifier instanceof Number || identifier instanceof String) {
throw PolyglotEngineException.illegalArgument(
String.format("Invalid or unmodifiable value for identifier '%s' for Map<%s, %s> %s.", identifier, formatComponentType(keyType),
formatComponentType(valueType), getValueInfo(context, receiver)));
} else {
throw PolyglotEngineException.illegalArgument(
String.format("Illegal identifier type '%s' for Map<%s, %s> %s.", identifier == null ? "null" : identifier.getClass().getTypeName(), formatComponentType(keyType),
formatComponentType(valueType), getValueInfo(context, receiver)));
}
}
@TruffleBoundary
static RuntimeException mapEntryUnsupported(PolyglotLanguageContext context, Object receiver, Type keyType, Type valueType, String operation) {
String message = String.format("Unsupported operation %s for Map.Entry<%s, %s> %s.", operation, formatComponentType(keyType), formatComponentType(valueType), getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException invalidMapEntryArrayIndex(PolyglotLanguageContext context, Object receiver, Type keyType, Type valueType, long index) {
throw PolyglotEngineException.classCast(
String.format("Invalid index %d for Map.Entry<%s, %s> %s.",
index, formatComponentType(keyType), formatComponentType(valueType), getValueInfo(context, receiver)));
}
@TruffleBoundary
static RuntimeException invalidListValue(PolyglotLanguageContext context, Object receiver, Type componentType, int identifier, Object value) {
throw PolyglotEngineException.classCast(
String.format("Invalid value %s for List<%s> %s and index %s.",
getValueInfo(context, value), formatComponentType(componentType), getValueInfo(context, receiver), identifier));
}
@TruffleBoundary
static RuntimeException invalidExecuteArgumentType(PolyglotLanguageContext context, Object receiver, Object[] arguments) {
String[] formattedArgs = formatArgs(context, arguments);
String message = String.format("Invalid argument when executing %s with arguments %s.", getValueInfo(context, receiver), Arrays.asList(formattedArgs));
throw PolyglotEngineException.illegalArgument(message);
}
@TruffleBoundary
static RuntimeException invalidInstantiateArgumentType(PolyglotLanguageContext context, Object receiver, Object[] arguments) {
String[] formattedArgs = formatArgs(context, arguments);
String message = String.format("Invalid argument when instantiating %s with arguments %s.", getValueInfo(context, receiver), Arrays.asList(formattedArgs));
throw PolyglotEngineException.illegalArgument(message);
}
@TruffleBoundary
static RuntimeException invalidInstantiateArity(PolyglotLanguageContext context, Object receiver, Object[] arguments, int minArity, int maxArity, int actual) {
String[] formattedArgs = formatArgs(context, arguments);
String message = String.format("Invalid argument count when instantiating %s with arguments %s. %s",
getValueInfo(context, receiver), Arrays.asList(formattedArgs), PolyglotValueDispatch.formatExpectedArguments(minArity, maxArity, actual));
throw PolyglotEngineException.illegalArgument(message);
}
@TruffleBoundary
static RuntimeException invalidExecuteArity(PolyglotLanguageContext context, Object receiver, Object[] arguments, int minArity, int maxArity, int actual) {
String[] formattedArgs = formatArgs(context, arguments);
String message = String.format("Invalid argument count when executing %s with arguments %s. %s",
getValueInfo(context, receiver), Arrays.asList(formattedArgs), PolyglotValueDispatch.formatExpectedArguments(minArity, maxArity, actual));
throw PolyglotEngineException.illegalArgument(message);
}
@TruffleBoundary
static RuntimeException invokeUnsupported(PolyglotLanguageContext context, Object receiver, String identifier) {
String message = String.format("Unsupported operation identifier '%s' and object %s. Identifier is not executable or instantiable.", identifier, getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
@TruffleBoundary
static RuntimeException executeUnsupported(PolyglotLanguageContext context, Object receiver) {
String message = String.format("Unsupported operation for object %s. Object is not executable or instantiable.", getValueInfo(context, receiver));
throw PolyglotEngineException.unsupported(message);
}
private static String[] formatArgs(PolyglotLanguageContext context, Object[] arguments) {
return formatArgs(context.context, arguments);
}
private static String[] formatArgs(PolyglotContextImpl context, Object[] arguments) {
String[] formattedArgs = new String[arguments.length];
for (int i = 0; i < arguments.length; i++) {
formattedArgs[i] = getValueInfo(context, arguments[i]);
}
return formattedArgs;
}
static String getValueInfo(PolyglotLanguageContext context, Object value) {
return PolyglotValueDispatch.getValueInfo(context != null ? context.context : null, value);
}
static String getValueInfo(PolyglotContextImpl context, Object value) {
return PolyglotValueDispatch.getValueInfo(context, value);
}
@TruffleBoundary
static UnsupportedTypeException unsupportedTypeException(Object[] args, Throwable e) {
return UnsupportedTypeException.create(args, e.getMessage());
}
@TruffleBoundary
static UnsupportedTypeException unsupportedTypeException(Object arg, Throwable e) {
return UnsupportedTypeException.create(new Object[]{arg}, e.getMessage());
}
}