Package org.jacoco.core.internal.analysis

Class MethodCoverageCalculator

  • All Implemented Interfaces:
    IFilterOutput
    class MethodCoverageCalculator
extends java.lang.Object
implements IFilterOutput
    Calculates the filtered coverage of a single method. A instance of this class can be first used as IFilterOutput before the coverage result is calculated.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.util.Set<org.objectweb.asm.tree.AbstractInsnNode> ignored  
      private java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​Instruction> instructions  
      private java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​org.objectweb.asm.tree.AbstractInsnNode> merged
      Instructions that should be merged form disjoint sets.
      private java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​java.util.Set<org.objectweb.asm.tree.AbstractInsnNode>> replacements  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private void applyMerges()  
      private void applyReplacements()  
      (package private) void calculate​(MethodCoverageImpl coverage)
      Applies all specified filtering commands and calculates the resulting coverage.
      private void ensureCapacity​(MethodCoverageImpl coverage)  
      private org.objectweb.asm.tree.AbstractInsnNode findRepresentative​(org.objectweb.asm.tree.AbstractInsnNode i)  
      void ignore​(org.objectweb.asm.tree.AbstractInsnNode fromInclusive, org.objectweb.asm.tree.AbstractInsnNode toInclusive)
      Marks sequence of instructions that should be ignored during computation of coverage.
      void merge​(org.objectweb.asm.tree.AbstractInsnNode i1, org.objectweb.asm.tree.AbstractInsnNode i2)
      Marks two instructions that should be merged during computation of coverage.
      void replaceBranches​(org.objectweb.asm.tree.AbstractInsnNode source, java.util.Set<org.objectweb.asm.tree.AbstractInsnNode> newTargets)
      Marks instruction whose outgoing branches should be replaced during computation of coverage.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • instructions

        private final java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​Instruction> instructions

      • ignored

        private final java.util.Set<org.objectweb.asm.tree.AbstractInsnNode> ignored

      • merged

        private final java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​org.objectweb.asm.tree.AbstractInsnNode> merged
        Instructions that should be merged form disjoint sets. Coverage information from instructions of one set will be merged into representative instruction of set. Each such set is represented as a singly linked list: each element except one references another element from the same set, element without reference - is a representative of this set. This map stores reference (value) for elements of sets (key).

      • replacements

        private final java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​java.util.Set<org.objectweb.asm.tree.AbstractInsnNode>> replacements

    • Constructor Detail

      • MethodCoverageCalculator

        MethodCoverageCalculator​(java.util.Map<org.objectweb.asm.tree.AbstractInsnNode,​Instruction> instructions)

    • Method Detail

      • calculate

        void calculate​(MethodCoverageImpl coverage)
        Applies all specified filtering commands and calculates the resulting coverage.
        Parameters:
        coverage - the result is added to this coverage node

      • applyMerges

        private void applyMerges()

      • applyReplacements

        private void applyReplacements()

      • findRepresentative

        private org.objectweb.asm.tree.AbstractInsnNode findRepresentative​(org.objectweb.asm.tree.AbstractInsnNode i)

      • ignore

        public void ignore​(org.objectweb.asm.tree.AbstractInsnNode fromInclusive,
                   org.objectweb.asm.tree.AbstractInsnNode toInclusive)
        Description copied from interface: IFilterOutput
        Marks sequence of instructions that should be ignored during computation of coverage.
        Specified by:
        ignore in interface IFilterOutput
        Parameters:
        fromInclusive - first instruction that should be ignored, inclusive
        toInclusive - last instruction coming after fromInclusive that should be ignored, inclusive

      • merge

        public void merge​(org.objectweb.asm.tree.AbstractInsnNode i1,
                  org.objectweb.asm.tree.AbstractInsnNode i2)
        Description copied from interface: IFilterOutput
        Marks two instructions that should be merged during computation of coverage.
        Specified by:
        merge in interface IFilterOutput
        Parameters:
        i1 - first instruction
        i2 - second instruction

      • replaceBranches

        public void replaceBranches​(org.objectweb.asm.tree.AbstractInsnNode source,
                            java.util.Set<org.objectweb.asm.tree.AbstractInsnNode> newTargets)
        Description copied from interface: IFilterOutput
        Marks instruction whose outgoing branches should be replaced during computation of coverage.
        Specified by:
        replaceBranches in interface IFilterOutput
        Parameters:
        source - instruction which branches should be replaced
        newTargets - new targets of branches