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// Copyright 2018 The Bazel Authors. 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.devtools.build.lib.syntax;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.events.Location;
import javax.annotation.Nullable;
/** The information about a single frame in a thread's stack trace relevant to the debugger. */
@AutoValue
public abstract class DebugFrame {
/** The source location where the frame is currently paused. */
@Nullable
public abstract Location location();
/** The name of the function that this frame represents. */
public abstract String functionName();
/**
* The local bindings associated with the current lexical frame. For the outer-most scope this
* will be empty.
*/
public abstract ImmutableMap<String, Object> lexicalFrameBindings();
/** The global vars and builtins for this frame. May be shadowed by the lexical frame bindings. */
public abstract ImmutableMap<String, Object> globalBindings();
public static Builder builder() {
return new AutoValue_DebugFrame.Builder().setLexicalFrameBindings(ImmutableMap.of());
}
/** Builder class for {@link DebugFrame}. */
@AutoValue.Builder
public abstract static class Builder {
public abstract Builder setLocation(@Nullable Location location);
public abstract Builder setFunctionName(String functionName);
public abstract Builder setLexicalFrameBindings(ImmutableMap<String, Object> bindings);
public abstract Builder setGlobalBindings(ImmutableMap<String, Object> bindings);
public abstract DebugFrame build();
}
}
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