Kroha v1.3

Better syntax

• Multiple parser error messages.
• Optional semicolons.
• Optional braces and parenthesis.
• Optional program declaration (program {}). It can be an omitted, single line or with braces.

Kroha v1.2

Growing tree

Syntax tree

• Applied some ideas from the "Tree that grows".

Errors

• New format of error messages, added source position.
• Fix bug: lose same errors on one line.

Kroha v1.1

Features

Backend:

• Extract common things to Kroha.Backend.Common.
• Type system config for backends. A backend can define allowed registers, types, sizes and allowed casts.

Error handling:

• User friendly errors.
• Same operations can throw many errors.
• Exit status code

Fixes

• Global scope behaviour. Now declarations available before definitions.

Kroha

Kroha

Kroha is a new language.

Changed syntax for loops and other elements.
Assembly output is formated (with indents).
Fixed bug with call stack (add sp, X).

Inline registers

Inline registers

Added inline registers. Now you can use registers like %ax.

Fixed stack alignment, after function call (add sp, size).
Global variables pushed as pointers, but counted as variables.

Global scope

Globals

Language

Added program keyword. All code should be inside program { }. It allows for creating multiple frames in the program.

Support for ip, sp, bp, si, di, cs, ds, ss, es, fs registers.

Added global variables and constants. Global variables are placed in .data, constants are in .rodata.

Added fake variables and frames. A fake variable or a label added their name into the global scope but creates nothing in assembly code.

Backend

Downgraded NASM backend to 16-bit.

Fixes

Fixed bug with variables started from do.

Errors

Created error handling with Eiter
The parser was remade with parsec

It works!

The minimal valuable compiler generates NASM.