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Update Terminal Usage Information with Improved Formatting and ASCII Art 🎨 #18

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Update Terminal Usage Information with Improved Formatting and ASCII Art 🎨 #18

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63 changes: 32 additions & 31 deletions source/app.d
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Expand Up @@ -18,44 +18,45 @@ import callisto.backends.arm64;
import callisto.backends.x86_64;

const static string usage = "
Callisto Compiler 🚀
====================

Usage: %s FILE [FLAGS]

Flags:
-o FILE - Sets the output assembly file to FILE (out.asm by default)
--org ADDR - Sets ORG value for compiler backend's assembly, ADDR is hex
-i PATH - Adds PATH to the list of include directories
-O - Enables optimisation (only works properly with programs without errors)
-v VER - Enables VER as a version
-b BACKEND - Uses the given backend (backends listed below), default is linux86
-a - Automatically runs commands to turn the output assembly into an
executable file (set by default)
-na - Disables the -a flag
--version - Shows the callisto version
-dp - Prints parser output
-es - Export all Callisto symbols (and add util function s for interacting
with the Callisto stack)
-d - Enables debug symbols (if available)
-l LIB - Links LIB with the linker (if available)
-dv VER - Disables VER
-h FILE - Puts the contents of FILE at the top of the assembly output
-bo OPT - Backend option, see below
-ka - Keep assembly
-al - Print assembly line numbers for callisto nodes
-os OS - Set operating system for backend - see below
--help - Shows this text
-o FILE 📂 - Sets the output assembly file to FILE (default: out.asm)
--org ADDR 🛠️ - Sets ORG value for compiler backend's assembly, ADDR is hex
-i PATH 📁 - Adds PATH to the list of include directories
-O 🚀 - Enables optimization (only works properly with error-free programs)
-v VER 🔧 - Enables VER as a version
-b BACKEND 🖥️ - Uses the specified backend (default is linux86)
-a ▶️ - Automatically runs commands to create an executable file (enabled by default)
-na ⏸️ - Disables the -a flag
--version ℹ️ - Shows the Callisto version
-dp 🖨️ - Prints parser output
-es 📜 - Exports all Callisto symbols and adds utility functions for interacting with the Callisto stack
-d 🐞 - Enables debug symbols (if available)
-l LIB 🔗 - Links LIB with the linker (if available)
-dv VER 🚫 - Disables VER
-h FILE 📝 - Puts the contents of FILE at the top of the assembly output
-bo OPT ⚙️ - Backend option, see below
-ka 💾 - Keeps the generated assembly
-al 🔍 - Prints assembly line numbers for Callisto nodes
-os OS 🖥️ - Sets the operating system for the backend (see below)
--help ❓ - Shows this help text

Backends and their operating systems:
rm86 - Real mode x86, for bare-metal, dos
x86_64 - 64-bit x86, for bare-metal, linux
arm64 - 64-bit ARM, for linux
uxn - Varvara/Uxn
lua - Lua, uses subset CallistoScript
rm86 - Real mode x86, for bare-metal, DOS
x86_64 - 64-bit x86, for bare-metal, Linux
arm64 - 64-bit ARM, for Linux
uxn - Varvara/Uxn
lua - Lua, uses subset CallistoScript

Backend options:
rm86:
no-dos - Disables DOS-specific features
linux86:
use-libc - Makes Callisto use the C runtime and links libc
rm86:
no-dos - Disables DOS-specific features
linux86:
use-libc - Makes Callisto use the C runtime and links libc
";

int main(string[] args) {
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