The Ibu programming language

📄 Documentation | 📄 ドキュメント

Key Features of Ibu

• No strict type checker
• No C-like pointer arithmetic
• No function-like macros
• No variable shadowing
• No break, continue stmt. Use goto
• Allows 13 <= age < 20 instead of 13 <= age && age < 20
• Variable length args func(...) can be accessed with built-in variables argc i64 and argv *i64
• All values are extended to 64-bit when accessed
• The compiler is written in itself
• Default args don't have to be on the end (WIP)

#include "std/header.ibu"

func main() i32 {
    printf("Hello, world!\n");
    return 0;
}

Important

Only supports x86-64 linux for now

Build the language

$ git clone git@github.com:v420v/ibu.git
$ cd ibu
$ make init

Build the language with docker

$ git clone git@github.com:v420v/ibu.git
$ cd ibu
$ make up
$ make ibu
$ make init

Command	Execution
make up	docker compose up -d
make ibu	docker compose exec ibulang bash
make down	docker compose down

Usage

$ ./ibuc <filename>.ibu

Currently, the compiler outputs assembly to stdout.

Example: Compile Hello world!

$ ./ibuc main.ibu | as - -o main.o
$ as -o lib/runtime.o lib/runtime.s
$ ./ibuc lib/linux-syscall/linux-syscall.ibu | as - -o lib/linux-syscall.o
$ ./ibuc lib/std/std.ibu                     | as - -o lib/std.o
$ ld -o main main.o lib/runtime.o lib/linux-syscall.o lib/std.o
$ ./main

Compiler implementation

File	Content
src/ibu.ibu	Entry point
src/tokenizer/tokenizer.ibu	Lexical analyzer
src/preprocessor/preprocessor.ibu	Preprocessor
src/parser/parser.ibu	Parser
src/codegen/codegen.ibu	Code generator
lib/linux-syscall/linux-syscall.ibu	Linux system call library
lib/std/std.ibu	Standard library
lib/runtime/runtime.ibu	Runtime library