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Update GH Pages site, add .jekyllignore, clean up tracebacks
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‎.jekyllignore‎

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# Ignore everything by default
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*
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# Keep this ignore file itself and the attached files only
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!.jekyllignore
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!404.html
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!index.html
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!CONTRIBUTING.html
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!SPECIFICATION.html
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!UNLICENSE.html

‎404.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>Page Not Found</title>
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<link rel="icon" href="./icon.png" />
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
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@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&display=swap');
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body{background:#222;color:#99ddff;font-family:Open Sans, sans-serif;margin:0;padding:1rem}
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.container{max-width:1000px;margin:0 auto;text-align:justify;text-justify:inter-word}
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.container { text-align:center; margin-top:0; }
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pre, code{background:#3c3c3c;color:inherit;font-family:Source Code Pro, monospace;padding:.25rem .5rem}
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img{max-width:100%}
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.notice{text-align:center;margin-top:2rem}
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</style>
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</head>
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<body>
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<div class="container" id="content">Rendering page…</div>
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<!-- Markdown source is embedded below. marked.js will render it into #content. -->
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<script id="md" type="text/markdown">
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# 404
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The requested page could not be found.
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</script>
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<script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
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<script>
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document.addEventListener('DOMContentLoaded', function(){
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const md = document.getElementById('md').textContent;
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const rendered = marked.parse(md);
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document.getElementById('content').innerHTML = rendered;
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});
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</script>
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</body>
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</html>

‎CONTRIBUTING.html‎

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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>ASM-Lang Contribution Guide</title>
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<link rel="icon" href="./icon.png" />
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
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@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&display=swap');
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</style>
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</head>
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<body>
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<div class="container" id="content">Rendering specification…</div>
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<div class="container" id="content">Rendering contribution guide…</div>
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<!-- Markdown source is embedded below. marked.js will render it into #content. -->
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<script id="md" type="text/markdown">

‎SPECIFICATION.html‎

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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>ASM-Lang SPECIFICATION</title>
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<title>ASM-Lang Specification</title>
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<link rel="icon" href="./icon.png" />
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
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@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&display=swap');
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body{background:#222;color:#99ddff;font-family:Open Sans, sans-serif;margin:0;padding:1rem}
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.container{max-width:1000px;margin:0 auto;text-align:justify;text-justify:inter-word}
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.container h1{ text-align:center; margin-top:0; }
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pre, code{background:#3c3c3c;color:inherit;font-family:Source Code Pro, monospace;padding:.25rem .5rem}
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img{max-width:100%}
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</style>
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<img alt="ASM-Lang icon" src="./icon.png">
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</p>
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## Table of contents
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- [1. Overview](#1-overview)
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- [2. Lexical Structure](#2-lexical-structure)
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- [3. Data Model](#3-data-model)
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- [4. Statements and Control Flow](#4-statements-and-control-flow)
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- [5. Functions](#5-functions)
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- [6. Variables and Memory Model](#6-variables-and-memory-model)
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- [7. Execution Model and Semantics](#7-execution-model-and-semantics)
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- [8. Standard Library](#8-standard-library)
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- [9. Tracebacks and Error Reporting](#9-tracebacks-and-error-reporting)
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- [10. Interpreter Use](#10-interpreter-use)
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- [11. REPL (Interactive Mode)](#11-repl-interactive-mode)
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- [12. Operators, Functions, and Statements](#12-operators-functions-and-statements)
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This document specifies an imperative programming language with a binary integer data model and an explicit small-step execution semantics. A program is compiled into an initial machine state (a seed configuration) and then executed solely by repeatedly applying a fixed, program-independent state-transition (rewrite) function. All intermediate states are (semi-)human-readable and serializable, and execution can be traced and replayed exactly, including I/O and nondeterministic choices, which are modeled explicitly for deterministic replay.
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## 1. Overview

‎UNLICENSE.html‎

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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>ASM-Lang (Un)License</title>
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<link rel="icon" href="./icon.png" />
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
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@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&display=swap');
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</style>
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</head>
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<body>
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<div class="container" id="content">Rendering specification…</div>
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<div class="container" id="content">Rendering Unlicense…</div>
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<!-- Markdown source is embedded below. marked.js will render it into #content. -->
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<script id="md" type="text/markdown">

‎asm-lang.exe‎

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‎index.html‎

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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<title>ASM-Lang</title>
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<link rel="icon" href="./icon.png" />
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');
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@import url('https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;700&display=swap');
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</style>
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</head>
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<body>
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<div class="container" id="content">Rendering specification…</div>
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<div class="container" id="content">Rendering index…</div>
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<!-- Markdown source is embedded below. marked.js will render it into #content. -->
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<script id="md" type="text/markdown">

‎interpreter.py‎

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prev_functions = dict(interpreter.functions)
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try:
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interpreter._execute_block(program.statements, module_env)
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except Exception:
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except Exception as exc:
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# Restore interpreter function table on error and convert
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# unexpected Python exceptions into ASMRuntimeError so they
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# are reported using the language's traceback machinery.
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interpreter.functions = prev_functions
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raise
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if isinstance(exc, ASMRuntimeError):
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raise
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raise ASMRuntimeError(f"Import failed: {exc}", location=location, rewrite_rule="IMPORT")
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# Collect functions that were added by executing the module
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new_funcs = {n: f for n, f in interpreter.functions.items() if n not in prev_functions}
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if self.logger.entries:
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error.step_index = self.logger.entries[-1].step_index
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raise
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except Exception as exc:
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# Convert unexpected Python-level exceptions into ASMRuntimeError
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# so callers (REPL/CLI) can format them using ASM-Lang tracebacks.
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loc = None
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if self.logger.entries:
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last = self.logger.entries[-1]
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loc = last.source_location
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wrapped = ASMRuntimeError(f"Internal interpreter error: {exc}", location=loc, rewrite_rule="internal")
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if self.logger.entries:
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wrapped.step_index = self.logger.entries[-1].step_index
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raise wrapped
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else:
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self.call_stack.pop()
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