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Catch any runtime exceptions from parsing

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This commit is contained in:
Nathan Adams 2017-12-11 16:04:22 +01:00
parent 0a4d2363a2
commit 4b64169b59
2 changed files with 8 additions and 3 deletions
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2
build.gradle
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@ -3,7 +3,7 @@ import groovy.io.FileType
apply plugin: 'java-library'
apply plugin: 'maven'
version = '0.1.13'
version = '0.1.14'
group = 'com.mojang'
task wrapper(type: Wrapper) {

9
src/main/java/com/mojang/brigadier/CommandDispatcher.java
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@ -10,6 +10,7 @@ import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.context.CommandContextBuilder;
import com.mojang.brigadier.context.StringRange;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.ParameterizedCommandExceptionType;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import com.mojang.brigadier.suggestion.Suggestions;
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
@ -33,7 +34,7 @@ public class CommandDispatcher<S> {
public static final SimpleCommandExceptionType ERROR_UNKNOWN_COMMAND = new SimpleCommandExceptionType("command.unknown.command", "Unknown command");
public static final SimpleCommandExceptionType ERROR_UNKNOWN_ARGUMENT = new SimpleCommandExceptionType("command.unknown.argument", "Incorrect argument for command");
public static final SimpleCommandExceptionType ERROR_EXPECTED_ARGUMENT_SEPARATOR = new SimpleCommandExceptionType("command.expected.separator", "Expected whitespace to end one argument, but found trailing data");
public static final SimpleCommandExceptionType ERROR_COMMAND_FAILED = new SimpleCommandExceptionType("command.failed", "Expected whitespace to end one argument, but found trailing data");
public static final ParameterizedCommandExceptionType ERROR_PARSE_EXCEPTION = new ParameterizedCommandExceptionType("command.exception", "Could not parse command: ${message}", "message");
public static final String ARGUMENT_SEPARATOR = " ";
public static final char ARGUMENT_SEPARATOR_CHAR = ' ';
@ -166,7 +167,11 @@ public class CommandDispatcher<S> {
final CommandContextBuilder<S> context = contextSoFar.copy();
final StringReader reader = new StringReader(originalReader);
try {
child.parse(reader, context);
try {
child.parse(reader, context);
} catch (final RuntimeException ex) {
throw ERROR_PARSE_EXCEPTION.createWithContext(reader, ex.getMessage());
}
if (reader.canRead()) {
if (reader.peek() != ARGUMENT_SEPARATOR_CHAR) {
throw ERROR_EXPECTED_ARGUMENT_SEPARATOR.createWithContext(reader);