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AnilBK / ANIL Public

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ANIL(A Nice Intermediate Language) Python & C++ inspired programming
language that transpiles to C and can be embedded within C source
files.

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                                                                Last    Last
             Name                            Name              commit  commit
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365 Commits
 
Bootstrap                       Bootstrap                               
Lib                             Lib                                     
examples                        examples                                
.gitignore                      .gitignore                              
ErrorHandler.py                 ErrorHandler.py                         
Parser.py                       Parser.py                               
README.md                       README.md                               
batch_compile.py                batch_compile.py                        
input_variables_gui_manager.py  input_variables_gui_manager.py          
lexer.py                        lexer.py                                
preprocess_2.py                 preprocess_2.py                         
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  * README

A Nice Intermediate Language(ANIL)

 

ANIL is a statically typed programming language, inspired by Python
and C++, that can be embedded within C source files.

 

ss1

Fig: ANIL functions written in C and ANIL respectively. The first
function written in C is the general implementation for the
__contains__ method whereas the second function written in ANIL is
template specialization for String class.

ANIL generates appropriate C code, which is then compiled using a C
compiler.

 

ss2

Fig: The generated C code from the second __contains__ method in the
first screenshot.

Requirements:

 

  * C compiler.
  * Python.
  * clang-format(Recommended).

Usage

 

 1. Open preprocess_2.py.
 2. Uncomment one of the source_file = "FILE_NAME*.c" line.
 3. Run

python preprocess_2.py

Alternatively, you can specify the filename directly by running:

python preprocess_2.py --filename examples\FILE_NAME*.c

 4. This will generate a FILE_NAME*_generated.c file. Compile the
    generated c file using a C compiler and execute the generated
    executable.

Features:

 

  * Classes: Example 1 Example 2
  * Templates & Function Overloading: Example
  * Macros: Example
  * Compile-Time Reflection: Example 1
  * Annotations: Example 1 WebSever Example
  * Standard Library: See Lib/. Shows mixing of C code and ANIL.
  * Dunder methods:
      + __init__ : To implement constructors.
      + __del__ : To implement destructors.
      + __getitem__ : To get an item at a specified index (e.g. obj
        [index]).
      + __setitem__ : To set an item at a specified index (e.g. obj
        [index] = value).
      + __reassign__ : To implement reassignment (e.g. obj = value).
      + __add__ : To implement addition.
      + __contains__ : To implement in operator (e.g value in list).
      + len : To get total number of items. It is used along with
        __getitem__ to implement iterators.

The examples in examples/ and Lib/ folder shows all different
features of ANIL. Right now, these examples serve as documentation
for the language.

 

Project Structure

 

Directories

 

  * Bootstrap: Implementation of the compiler in ANIL itself. Files
    in this directory uses all (advanced) features available in the
    language.

  * examples: Demonstrations of various language features and usage
    of the standard library.

  * Lib: Standard Library.

Individual Files

 

  * preprocess_2.py: The actual compiler and code generator.

  * batch_compile.py: Compiles all the ANIL files one by one. Used to
    verify if the changes made to the compiler doesn't break existing
    functionality.

---------------------------------------------------------------------

Note

This is my first ever compiler project.
I created this compiler for the following reasons:

 1. To learn about compiler development.
 2. To build a self-compiling compiler.
 3. To implement features I find interesting and cool.

About

ANIL(A Nice Intermediate Language) Python & C++ inspired programming
language that transpiles to C and can be embedded within C source
files.

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Readme
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  * Python 52.9%
  * C 47.1%

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