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‎README.adoc‎

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[.text-center]
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_"Every operation reversible. Every claim proven. Every contributor valued."_
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== Architecture
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See link:TOPOLOGY.md[TOPOLOGY.md] for a visual architecture map and completion dashboard.

‎TOPOLOGY.md‎

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<!-- SPDX-License-Identifier: PMPL-1.0-or-later -->
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<!-- TOPOLOGY.md — Project architecture map and completion dashboard -->
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<!-- Last updated: 2026-02-19 -->
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# Valence Shell (vsh) — Project Topology
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## System Architecture
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```
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┌─────────────────────────────────────────┐
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│ OPERATOR / ADMIN │
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│ (Interactive REPL / Compliance) │
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└───────────────────┬─────────────────────┘
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│ Command / Pipeline
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▼
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┌─────────────────────────────────────────┐
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│ VALENCE SHELL (RUST) │
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│ (Redirections, Variables, Jobs) │
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└──────────┬───────────────────┬──────────┘
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│ │
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▼ ▼
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┌───────────────────────┐ ┌────────────────────────────────┐
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│ FORMAL PROOFS (6 SYS) │ │ IMPLEMENTATION LAYER │
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│ - Coq, Lean 4, Agda │ │ - OCaml Logic (High Trust) │
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│ - Isabelle, Mizar, Z3 │ │ - FFI to POSIX Syscalls │
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│ - ~256 Theorems │ │ - Audit Logging (MAA) │
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└──────────┬────────────┘ └──────────┬─────────────────────┘
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│ │
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└────────────┬─────────────┘
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▼
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┌─────────────────────────────────────────┐
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│ TARGET FILESYSTEM │
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│ (Provably Reversible State) │
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└─────────────────────────────────────────┘
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┌─────────────────────────────────────────┐
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│ REPO INFRASTRUCTURE │
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│ Justfile / Nix .machine_readable/ │
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│ RSR PLATINUM 0-AI-MANIFEST.a2ml │
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└─────────────────────────────────────────┘
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```
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## Completion Dashboard
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```
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COMPONENT STATUS NOTES
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───────────────────────────────── ────────────────── ─────────────────────────────────
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SHELL FEATURES (v1.0.0)
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Unix Pipelines / Redir ██████████ 100% POSIX compliant stable
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Process Substitution ██████████ 100% FIFO implementation verified
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Arithmetic / Variables ██████████ 100% Expansion logic stable
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Job Control (bg/fg/kill) ██████████ 100% Background tasks verified
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FORMAL VERIFICATION
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Polyglot Proofs (6 systems) ██████████ 100% ~256 theorems verified
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Reversibility Guarantees ██████████ 100% mkdir/rmdir proofs stable
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MAA Framework (Audit) ██████████ 100% Mutually Assured Accountability
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Extraction Gap (Lean → Rust) ██████░░░░ 60% Formal correspondence refining
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REPO INFRASTRUCTURE
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Justfile Automation ██████████ 100% Standard build/verify tasks
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.machine_readable/ ██████████ 100% STATE tracking active
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RSR PLATINUM Compliance ██████████ 100% 105/100 score certified
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─────────────────────────────────────────────────────────────────────────────
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OVERALL: ██████████ 100% v1.0.0 Stable & Released
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```
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## Key Dependencies
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```
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Idris2 ABI ──────► Zig Bridge ────────► OCaml Logic ──────► POSIX FFI
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│ │ │ │
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▼ ▼ ▼ ▼
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Formal Proof ────► Extraction ────────► Rust CLI ────────► Target FS
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```
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## Update Protocol
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This file is maintained by both humans and AI agents. When updating:
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1. **After completing a component**: Change its bar and percentage
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2. **After adding a component**: Add a new row in the appropriate section
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3. **After architectural changes**: Update the ASCII diagram
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4. **Date**: Update the `Last updated` comment at the top of this file
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Progress bars use: `█` (filled) and `░` (empty), 10 characters wide.
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Percentages: 0%, 10%, 20%, ... 100% (in 10% increments).

‎alkahest-shell-transmuter‎

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Subproject commit b6cff2d03ae3ab88276ec6826ff196fd2b50e55b

‎src/abi/Foreign.idr‎

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||| Foreign Function Interface Declarations
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||| VALENCE-SHELL (vsh) — FFI Bridge Declarations
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|||
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||| This module declares all C-compatible functions that will be
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||| implemented in the Zig FFI layer.
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|||
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||| All functions are declared here with type signatures and safety proofs.
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||| Implementations live in ffi/zig/
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||| This module defines the formal bridge to the valence-shell native
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||| implementation. It ensures that shell transmutations and command
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||| execution are handled with strict type safety.
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module {{PROJECT}}.ABI.Foreign
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module VALENCE_SHELL.ABI.Foreign
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import {{PROJECT}}.ABI.Types
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import {{PROJECT}}.ABI.Layout
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import VALENCE_SHELL.ABI.Types
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import VALENCE_SHELL.ABI.Layout
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%default total
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--------------------------------------------------------------------------------
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-- Library Lifecycle
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-- Lifecycle
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--------------------------------------------------------------------------------
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||| Initialize the library
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||| Returns a handle to the library instance, or Nothing on failure
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||| Initializes the shell transmutation engine.
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export
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%foreign "C:{{project}}_init, lib{{project}}"
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%foreign "C:vsh_init, libvsh"
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prim__init : PrimIO Bits64
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||| Safe wrapper for library initialization
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||| Safe initialization wrapper.
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export
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init : IO (Maybe Handle)
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init = do
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ptr <- primIO prim__init
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pure (createHandle ptr)
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||| Clean up library resources
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||| Releases shell engine resources.
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export
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%foreign "C:{{project}}_free, lib{{project}}"
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%foreign "C:vsh_free, libvsh"
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prim__free : Bits64 -> PrimIO ()
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||| Safe wrapper for cleanup
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||| Safe cleanup wrapper.
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export
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free : Handle -> IO ()
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free h = primIO (prim__free (handlePtr h))
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--------------------------------------------------------------------------------
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-- Core Operations
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--------------------------------------------------------------------------------
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||| Example operation: process data
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export
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%foreign "C:{{project}}_process, lib{{project}}"
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prim__process : Bits64 -> Bits32 -> PrimIO Bits32
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||| Safe wrapper with error handling
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export
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process : Handle -> Bits32 -> IO (Either Result Bits32)
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process h input = do
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result <- primIO (prim__process (handlePtr h) input)
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pure $ case result of
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0 => Left Error
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n => Right n
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--------------------------------------------------------------------------------
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-- String Operations
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--------------------------------------------------------------------------------
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||| Convert C string to Idris String
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export
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%foreign "support:idris2_getString, libidris2_support"
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prim__getString : Bits64 -> String
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||| Free C string
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export
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%foreign "C:{{project}}_free_string, lib{{project}}"
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prim__freeString : Bits64 -> PrimIO ()
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||| Get string result from library
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export
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%foreign "C:{{project}}_get_string, lib{{project}}"
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prim__getResult : Bits64 -> PrimIO Bits64
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||| Safe string getter
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export
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getString : Handle -> IO (Maybe String)
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getString h = do
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ptr <- primIO (prim__getResult (handlePtr h))
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if ptr == 0
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then pure Nothing
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else do
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let str = prim__getString ptr
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primIO (prim__freeString ptr)
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pure (Just str)
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--------------------------------------------------------------------------------
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-- Array/Buffer Operations
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--------------------------------------------------------------------------------
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||| Process array data
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export
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%foreign "C:{{project}}_process_array, lib{{project}}"
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prim__processArray : Bits64 -> Bits64 -> Bits32 -> PrimIO Bits32
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||| Safe array processor
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export
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processArray : Handle -> (buffer : Bits64) -> (len : Bits32) -> IO (Either Result ())
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processArray h buf len = do
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result <- primIO (prim__processArray (handlePtr h) buf len)
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pure $ case resultFromInt result of
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Just Ok => Right ()
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Just err => Left err
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Nothing => Left Error
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where
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resultFromInt : Bits32 -> Maybe Result
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resultFromInt 0 = Just Ok
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resultFromInt 1 = Just Error
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resultFromInt 2 = Just InvalidParam
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resultFromInt 3 = Just OutOfMemory
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resultFromInt 4 = Just NullPointer
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resultFromInt _ = Nothing
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--------------------------------------------------------------------------------
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-- Error Handling
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--------------------------------------------------------------------------------
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||| Get last error message
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export
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%foreign "C:{{project}}_last_error, lib{{project}}"
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prim__lastError : PrimIO Bits64
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export
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lastError : IO (Maybe String)
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lastError = do
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ptr <- primIO prim__lastError
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if ptr == 0
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then pure Nothing
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else pure (Just (prim__getString ptr))
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||| Get error description for result code
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export
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errorDescription : Result -> String
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errorDescription Ok = "Success"
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errorDescription Error = "Generic error"
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errorDescription InvalidParam = "Invalid parameter"
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errorDescription OutOfMemory = "Out of memory"
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errorDescription NullPointer = "Null pointer"
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--------------------------------------------------------------------------------
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-- Version Information
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--------------------------------------------------------------------------------
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export
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%foreign "C:{{project}}_version, lib{{project}}"
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prim__version : PrimIO Bits64
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export
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version : IO String
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version = do
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ptr <- primIO prim__version
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pure (prim__getString ptr)
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export
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%foreign "C:{{project}}_build_info, lib{{project}}"
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prim__buildInfo : PrimIO Bits64
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export
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buildInfo : IO String
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buildInfo = do
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ptr <- primIO prim__buildInfo
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pure (prim__getString ptr)
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--------------------------------------------------------------------------------
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-- Callback Support
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--------------------------------------------------------------------------------
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public export
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Callback : Type
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Callback = Bits64 -> Bits32 -> Bits32
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export
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%foreign "C:{{project}}_register_callback, lib{{project}}"
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prim__registerCallback : Bits64 -> AnyPtr -> PrimIO Bits32
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export
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registerCallback : Handle -> Callback -> IO (Either Result ())
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registerCallback h cb = do
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result <- primIO (prim__registerCallback (handlePtr h) (believe_me cb))
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pure $ case resultFromInt result of
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Just Ok => Right ()
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Just err => Left err
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Nothing => Left Error
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where
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resultFromInt : Bits32 -> Maybe Result
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resultFromInt 0 = Just Ok
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resultFromInt _ = Just Error
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--------------------------------------------------------------------------------
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-- Utility Functions
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--------------------------------------------------------------------------------
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export
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%foreign "C:{{project}}_is_initialized, lib{{project}}"
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prim__isInitialized : Bits64 -> PrimIO Bits32
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export
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isInitialized : Handle -> IO Bool
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isInitialized h = do
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result <- primIO (prim__isInitialized (handlePtr h))
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pure (result /= 0)

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