Call Action

See also: Section

The call action is used to call one of the built-in or user-defined procedures in ESTA. The arguments to the procedures are allowed to be expressions as long as they correspond to the type of the argument. The syntax for the call action is as follows, illustrated with the built-in procedures:

<call> ::= call clear_all() |

call clear_value(<parameter_name>) |

call display(<filename>) |

call hyperadvice(<filename>,<name>) |

call restore_values(<filename>) |

call save_values(<filename>) |

call showpic(<picture_name>) |

call sound(<Duration>,<Frequency>) |

call system(<string>)