Package org.eclipse.m2m.atl.engine.emfvm.lib

Class Operation

java.lang.Object
org.eclipse.m2m.atl.engine.emfvm.lib.Operation
Direct Known Subclasses:
ASMOperation
public abstract class Operation extends Object
The abstract Operation class.

  • Field Details

    • maxLocals

      protected int maxLocals

    • name

      protected String name

  • Constructor Details

    • Operation

      public Operation(int maxLocals, String name)
      Creates a new operation.
      Parameters:
      maxLocals - max locals
      name - the operation name

    • Operation

      public Operation(int maxLocals)
      Deprecated.
      use Operation(int, String) instead
      Creates a new operation.
      Parameters:
      maxLocals - max locals

  • Method Details

    • setName

      public void setName(String name)

    • exec

      public abstract Object exec(AbstractStackFrame frame)
      Executes an operation.
      Parameters:
      frame - the frame for execution
      Returns:
      the result

    • getMaxLocals

      public int getMaxLocals()

    • getName

      public String getName()

    • getInstructions

      public List<?> getInstructions()

    • resolveLineNumber

      public String resolveLineNumber(int l)
      Returns the line at the specified number.
      Parameters:
      l - the line number
      Returns:
      the line at the specified number

    • resolveVariableName

      public String resolveVariableName(int slot, int l)
      Resolves a variable name by its slot number and its index.
      Parameters:
      slot - the slot number
      l - the variable index
      Returns:
      the variable name