org.jacoco.core.runtime
Interface IExecutionDataAccessorGenerator
- All Known Subinterfaces:
- IRuntime
- All Known Implementing Classes:
- AbstractRuntime, InjectedClassRuntime, LoggerRuntime, ModifiedSystemClassRuntime, OfflineInstrumentationAccessGenerator, SystemPropertiesRuntime
public interface IExecutionDataAccessorGenerator
The instrumented classes need a piece of code that obtains a
boolean[]
instance from the runtime. The mechanism is runtime
specific and therefore abstracted by this interface. Implementations are
provided by IRuntime
implementations and are used by the
instrumentation process.
Method Summary |
int |
generateDataAccessor(long classid,
String classname,
int probecount,
org.objectweb.asm.MethodVisitor mv)
This method generates the byte code required to obtain the coverage data
structure for the class with the given id. |
generateDataAccessor
int generateDataAccessor(long classid,
String classname,
int probecount,
org.objectweb.asm.MethodVisitor mv)
- This method generates the byte code required to obtain the coverage data
structure for the class with the given id. Typically the instrumentation
process will embed this code into a method that is called on class
initialization. This method can be called at any time even outside the
target VM.
The generated code must push a
boolean[]
instance to the
operand stack. Except this result object the generated code must not make
any assumptions about the structure of the embedding method or class. The
generated code must not use or allocate local variables.
- Parameters:
classid
- identifier of the classclassname
- VM class nameprobecount
- probe count for this classmv
- code output
- Returns:
- additional stack size required by the implementation, including
the instance pushed to the stack
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