com.google.gwt.dev.util.arg.ArgHandlerOptimize Maven / Gradle / Ivy
/*
* Copyright 2010 Google Inc.
*
* 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.gwt.dev.util.arg;
import com.google.gwt.util.tools.ArgHandlerInt;
/**
* Set the optimization level from the command line. For now, level 1 is the same
* as draft compile, and level 9 is the same as the default (maximium optimization).
*
* TODO(zundel): In theory, a level 0 should be possible, where all optimizers
* are eliminated for the fastest possible compile. In practice, code generation
* depends on some optimizers being run.
*/
public class ArgHandlerOptimize extends ArgHandlerInt {
private final OptionOptimize options;
public ArgHandlerOptimize(OptionOptimize options) {
this.options = options;
}
@Override
public String getPurpose() {
return "Sets the optimization level used by the compiler. 0=none 9=maximum.";
}
@Override
public String getTag() {
return "-optimize";
}
@Override
public String[] getTagArgs() {
return new String[] {"level"};
}
@Override
public void setInt(int level) {
if (level <= OptionOptimize.OPTIMIZE_LEVEL_MAX) {
options.setOptimizationLevel(Math.max(level, OptionOptimize.OPTIMIZE_LEVEL_DRAFT));
} else {
options.setOptimizationLevel(OptionOptimize.OPTIMIZE_LEVEL_MAX);
}
}
}