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/*
* Copyright 2016 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.turbine.diag;
import static java.util.stream.Collectors.joining;
import com.google.common.collect.ImmutableList;
import javax.tools.Diagnostic;
/** A compilation error. */
public class TurbineError extends Error {
/** A diagnostic kind. */
public enum ErrorKind {
UNEXPECTED_INPUT("unexpected input: %s"),
UNEXPECTED_IDENTIFIER("unexpected identifier '%s'"),
UNEXPECTED_EOF("unexpected end of input"),
UNTERMINATED_STRING("unterminated string literal"),
UNTERMINATED_CHARACTER_LITERAL("unterminated char literal"),
UNPAIRED_SURROGATE("unpaired surrogate 0x%x"),
UNTERMINATED_EXPRESSION("unterminated expression, expected ';' not found"),
INVALID_UNICODE("illegal unicode escape"),
EMPTY_CHARACTER_LITERAL("empty char literal"),
EXPECTED_TOKEN("expected token %s"),
EXTENDS_AFTER_IMPLEMENTS("'extends' must come before 'implements'"),
INVALID_LITERAL("invalid literal: %s"),
UNEXPECTED_TYPE_PARAMETER("unexpected type parameter %s"),
SYMBOL_NOT_FOUND("symbol not found %s"),
CLASS_FILE_NOT_FOUND("could not locate class file for %s"),
TYPE_PARAMETER_QUALIFIER("type parameter used as type qualifier"),
UNEXPECTED_TOKEN("unexpected token: %s"),
INVALID_ANNOTATION_ARGUMENT("invalid annotation argument"),
MISSING_ANNOTATION_ARGUMENT("missing required annotation argument: %s"),
CANNOT_RESOLVE("could not resolve %s"),
EXPRESSION_ERROR("could not evaluate constant expression"),
OPERAND_TYPE("bad operand type %s"),
TYPE_CONVERSION("value %s of type %s cannot be converted to %s"),
CYCLIC_HIERARCHY("cycle in class hierarchy: %s"),
NOT_AN_ANNOTATION("%s is not an annotation"),
ANNOTATION_VALUE_NAME("expected an annotation value of the form name=value"),
NONREPEATABLE_ANNOTATION("%s is not @Repeatable"),
DUPLICATE_DECLARATION("duplicate declaration of %s"),
BAD_MODULE_INFO("unexpected declaration found in module-info"),
UNCLOSED_COMMENT("unclosed comment"),
UNEXPECTED_TYPE("unexpected type %s"),
UNEXPECTED_MODIFIER("unexpected modifier: %s"),
PROC("%s");
private final String message;
ErrorKind(String message) {
this.message = message;
}
String format(Object... args) {
return String.format(message, args);
}
}
/**
* Formats a diagnostic.
*
* @param source the current source file
* @param kind the error kind
* @param args format args
*/
public static TurbineError format(SourceFile source, ErrorKind kind, Object... args) {
return new TurbineError(ImmutableList.of(TurbineDiagnostic.format(source, kind, args)));
}
/**
* Formats a diagnostic.
*
* @param position the diagnostic position
* @param kind the error kind
* @param args format args
*/
public static TurbineError format(
SourceFile source, int position, ErrorKind kind, Object... args) {
return new TurbineError(
ImmutableList.of(
TurbineDiagnostic.format(Diagnostic.Kind.ERROR, source, position, kind, args)));
}
private final ImmutableList<TurbineDiagnostic> diagnostics;
public TurbineError(ImmutableList<TurbineDiagnostic> diagnostics) {
this.diagnostics = diagnostics;
}
@Override
public String getMessage() {
return diagnostics.stream().map(d -> d.diagnostic()).collect(joining(System.lineSeparator()));
}
public ImmutableList<TurbineDiagnostic> diagnostics() {
return diagnostics;
}
}
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