Package iota

Class IVariable


class IVariable extends IExpression
The AST node for an identifier used as a primary expression.
  • Constructor Details

    • IVariable

      public IVariable(int line, String name)
      Constructs the AST node for a variable.
      Parameters:
      line - line in which the variable occurs in the source file.
      name - the name.
  • Method Details

    • name

      public String name()
      Returns the identifier name.
      Returns:
      the identifier name.
    • defn

      public Defn defn()
      Returns the identifier's definition.
      Returns:
      the identifier's definition.
    • analyze

      public IExpression analyze(Context context)
      Analyzes and returns an IExpression.
      Specified by:
      analyze in class IExpression
      Parameters:
      context - context in which names are resolved.
      Returns:
      the analyzed (and possibly rewritten) AST subtree.
    • codegen

      public void codegen(CLEmitter output)
      Performs code generation for this AST.
      Specified by:
      codegen in class IAST
      Parameters:
      output - the code emitter.
    • codegen

      public void codegen(CLEmitter output, String targetLabel, boolean onTrue)
      Performs short-circuit code generation for a boolean expression, given the code emitter, a target label, and whether we branch to that label on true or on false.
      Overrides:
      codegen in class IExpression
      Parameters:
      output - the code emitter.
      targetLabel - the label to which we should branch.
      onTrue - do we branch on true?
    • toJSON

      public void toJSON(JSONElement json)
      Stores information about this AST in JSON format.
      Overrides:
      toJSON in class IAST
      Parameters:
      json - the JSON emitter.