Package pascal.taie.ir.stmt

Class Return

java.lang.Object
pascal.taie.ir.stmt.Return
All Implemented Interfaces:
Serializable, Stmt, Indexable
public class Return extends Object
Representation of return statement, e.g., return; or return x.
See Also:

  • Field Details

    • index

      protected int index

    • lineNumber

      protected int lineNumber

  • Constructor Details

    • Return

      public Return(@Nullable Var value)

    • Return

      public Return()

  • Method Details

    • getValue

      @Nullable public Var getValue()

    • getUses

      public Set<RValue> getUses()
      Specified by:
      getUses in interface Stmt
      Returns:
      a list of right-value expressions used in this Stmt.

    • canFallThrough

      public boolean canFallThrough()
      Specified by:
      canFallThrough in interface Stmt
      Returns:
      true if execution after this statement could continue at the following statement, otherwise false.

    • accept

      public <T> T accept(StmtVisitor<T> visitor)

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • getIndex

      public int getIndex()
      Specified by:
      getIndex in interface Indexable
      Specified by:
      getIndex in interface Stmt
      Returns:
      the index of this Stmt in the container IR.

    • setIndex

      public void setIndex(int index)
      Specified by:
      setIndex in interface Stmt

    • getLineNumber

      public int getLineNumber()
      Specified by:
      getLineNumber in interface Stmt
      Returns:
      the line number of this Stmt in the original source file. If the line number is unavailable, return -1.

    • setLineNumber

      public void setLineNumber(int lineNumber)
      Specified by:
      setLineNumber in interface Stmt

    • getDef

      public Optional<LValue> getDef()
      Specified by:
      getDef in interface Stmt
      Returns:
      the (optional) left-value expression defined in this Stmt. In Tai-e IR, each Stmt can define at most one expression.