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package org.graalvm.compiler.debug;

import org.graalvm.compiler.debug.DebugContext.CompilerPhaseScope;

import jdk.vm.ci.meta.ResolvedJavaMethod;


Implemented by clients interested in when the compiler starts/ends a 
phase or considers inlining a method. 
/**
 * Implemented by clients interested in when the compiler starts/ends a {@linkplain #enterPhase
 * phase} or {@linkplain #notifyInlining considers inlining} a method.
 */
public interface CompilationListener {

    
Notifies this listener that the compiler is starting a compiler phase.

Params:
  • name – the name of the phase
Returns:an object whose CompilerPhaseScope.close() method will be called when the phase completes
/**
     * Notifies this listener that the compiler is starting a compiler phase.
     *
     * @param name the name of the phase
     * @return an object whose {@link CompilerPhaseScope#close()} method will be called when the
     *         phase completes
     */
    CompilerPhaseScope enterPhase(CharSequence name, int nesting);

    
Notifies this listener when the compiler considers inlining callee into caller. 
Params:
  • caller – caller method
  • callee – callee method considered for inlining into caller
  • succeeded – true if callee was inlined into caller
  • message – extra information about inlining decision
  • bci – byte code index of call site
/**
     * Notifies this listener when the compiler considers inlining {@code callee} into
     * {@code caller}.
     *
     * @param caller caller method
     * @param callee callee method considered for inlining into {@code caller}
     * @param succeeded true if {@code callee} was inlined into {@code caller}
     * @param message extra information about inlining decision
     * @param bci byte code index of call site
     */
    void notifyInlining(ResolvedJavaMethod caller, ResolvedJavaMethod callee, boolean succeeded, CharSequence message, int bci);
}