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Code Generation System Documentation Summary

Overview

The Code Generation System is a flexible framework for generating code based on actor files and input definitions. It utilizes a structured approach with actors, commands, and variables to create modular and extensible code generation processes.

Key Components

  1. Startup and Input Files:

    • The system begins by processing a list of actor files and definition input files.
    • Actors function as modular code generation functions.
    • Command line arguments are stored as named entries for access within the system.

  2. Variables:

    • Variables use the ${} syntax and are manipulated or accessed with special prefixes.
    • Special variables serve specific purposes, including global, window-related, and conditional variables.

  3. Actors and Matching:

    • Actors operate on input nodes and function like functions with matching conditions.
    • Similar to case statements, actors with matching names execute a list of commands.

  4. Commands:

    • Commands include Var (variable creation), Collect (data collection), Break (loop control), and Call (actor invocation).
    • Commands serve various purposes such as printing output, navigating data, and controlling flow.

  5. Windows:

    • Windows represent instances of actors on the stack.
    • They store variables for specific purposes, such as loop counters and current positions.

  6. Refs and Links:

    • Refs facilitate linking between nodes in the input data.
    • Different ref types handle various linking scenarios, including local, global, and multi-node links.

  7. Input Files and Types:

    • Input files are word-based, separated by tabs or spaces.
    • Types include Word, String, Ref, Local, Indirect, Multi, Nest, and Parent.

  8. Matching and Conditions:

    • Matching occurs in actors using a case-like structure.
    • Conditions, such as Break conditions, control the flow based on variable values.

  9. Loops and Counters:

    • Loops utilize counters, and actors can break out based on conditions.
    • Counters keep track of loop iterations.

  10. Data Nesting:

    • Nodes can be nested, and control fields indicate the nesting level.

  11. Errors and Loading:

    • Errors during variable naming or loading are reported during the loading phase.

  12. Database Integration (Conceptual):

    • The system conceptually supports database integration, including table creation and data loading.

Usage

  1. Startup:

    • The system starts with a command specifying actor and definition files.
    • Actors with matching names are executed, functioning similarly to case statements.

  2. Variables:

    • Variables are accessed with the ${} syntax.
    • Special variables have specific prefixes.

  3. Actors and Commands:

    • Actors execute commands based on matching conditions, similar to case statements.
    • Commands control code generation, printing, and flow.

Extensibility

The system is designed to be modular and extensible:

  • New actors can be added to introduce new code generation logic.
  • Commands can be extended to support additional functionality.

Errors and Debugging

  • Variable naming errors are reported during loading.
  • Errors are incorporated into the generated code for debugging purposes.

Database Integration (Conceptual)

  • The system supports conceptual integration with databases, allowing table creation and data loading.

Conclusion

The Code Generation System provides a structured and adaptable framework for generating code based on input data. Its modular design allows for easy customization and extension to accommodate diverse code generation requirements. Actors, functioning akin to case statements, offer a powerful and intuitive way to organize code generation logic.