Browse code
(init)
Ed Langley authored on 11/11/2019 09:21:07Showing 4 changed files
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+;;; -*- Mode:Lisp; Syntax:ANSI-Common-Lisp; Package: ASDF-USER -*- |
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+(in-package :asdf-user) |
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+ |
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+(defsystem :cl-wasm |
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+ :description "" |
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+ :author "Ed L <edward@elangley.org>" |
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+ :license "MIT" |
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+ :depends-on (#:alexandria |
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+ #:uiop |
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+ #:serapeum |
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+ #:fwoar-lisputils) |
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+ :serial t |
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+ :components ((:file "package") |
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+ (:file "cl-wasm"))) |
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+(in-package :cl-wasm) |
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+ |
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+(defun signed (n i) |
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+ (if (and (<= 0 i) |
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+ (< i (expt 2 (1- n)))) |
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+ i |
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+ (- i (expt 2 n)))) |
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+(defun invsigned (n i) |
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+ (if (< i 0) |
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+ (+ i (expt 2 n)) |
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+ i)) |
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+ |
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+(defgeneric run-inst (client stack locals instruction argument) |
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+ (:method (client (stack list) (locals vector) (instruction (eql :get-local)) (argument number)) |
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+ (cons (aref locals argument) |
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+ stack))) |
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+ |
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+(defmacro define-numeric-instruction (suffix (&optional (arg '(argument null))) &body body) |
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+ (let ((i32-name (alexandria:make-keyword (format nil "~a.~a" :i32 suffix))) |
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+ (i64-name (alexandria:make-keyword (format nil "~a.~a" :i64 suffix))) |
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+ (f32-name (alexandria:make-keyword (format nil "~a.~a" :f32 suffix))) |
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+ (f64-name (alexandria:make-keyword (format nil "~a.~a" :f64 suffix)))) |
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+ (flet ((get-argument (type) |
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+ (case type |
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+ (:i32 (list (car arg) |
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+ (case (cadr arg) |
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+ (:type 'integer) |
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+ (t (cadr arg))))) |
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+ (:i64 (list (car arg) |
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+ (case (cadr arg) |
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+ (:type 'integer) |
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+ (t (cadr arg))))) |
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+ (:f32 (list (car arg) |
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+ (case (cadr arg) |
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+ (:type 'single-float) |
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+ (t (cadr arg))))) |
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+ (:f64 (list (car arg) |
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+ (case (cadr arg) |
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+ (:type 'double-float) |
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+ (t (cadr arg)))))))) |
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+ `(macrolet ((numeric-dispatch (&body forms) |
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+ (cons 'or forms))) |
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+ (defmethod run-inst (client (stack list) (locals vector) (inst (eql ,i32-name)) ,(get-argument :i32)) |
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+ (declare (optimize (speed 3) (safety 1))) |
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+ (macrolet ((numeric-case (type &body body) |
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+ (when (eql type :i32) |
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+ (cons 'progn body)))) |
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+ (let ((numeric-type '(integer 0 #.(1- (expt 2 32)))) |
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+ (size 32)) |
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+ (declare (ignorable numeric-type size)) |
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+ ,@body))) |
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+ (defmethod run-inst (client (stack list) (locals vector) (inst (eql ,i64-name)) ,(get-argument :i64)) |
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+ (declare (optimize (speed 3) (safety 1))) |
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+ (macrolet ((numeric-case (type &body body) |
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+ (when (eql type :i64) |
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+ (cons 'progn body)))) |
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+ (let ((numeric-type '(integer #.(1- (expt 2 64)))) |
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+ (size 64)) |
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+ (declare (ignorable numeric-type size)) |
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+ ,@body))) |
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+ (defmethod run-inst (client (stack list) (locals vector) (inst (eql ,f32-name)) ,(get-argument :f32)) |
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+ (declare (optimize (speed 3) (safety 1))) |
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+ (macrolet ((numeric-case (type &body body) |
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+ (when (eql type :f32) |
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+ (cons 'progn body)))) |
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+ (let ((numeric-type 'single-float) |
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+ (size 32)) |
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+ (declare (ignorable numeric-type size)) |
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+ ,@body))) |
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+ (defmethod run-inst (client (stack list) (locals vector) (inst (eql ,f64-name)) ,(get-argument :f64)) |
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+ (declare (optimize (speed 3) (safety 1))) |
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+ (macrolet ((numeric-case (type &body body) |
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+ (when (eql type :f64) |
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+ (cons 'progn body)))) |
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+ (let ((numeric-type 'double-float) |
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+ (size 64)) |
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+ (declare (ignorable numeric-type size)) |
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+ ,@body))))))) |
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+ |
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+(define-numeric-instruction add () |
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+ (let ((result (+ (coerce (pop stack) numeric-type) |
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+ (coerce (pop stack) numeric-type)))) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod result #.(expt 2 32))) |
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+ (numeric-case :i64 (mod result #.(expt 2 64))) |
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+ (numeric-case :f32 result) |
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+ (numeric-case :f64 result)) |
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+ stack))) |
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+ |
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+(define-numeric-instruction mul () |
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+ (let ((result (* (coerce (pop stack) numeric-type) |
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+ (coerce (pop stack) numeric-type)))) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod result #.(expt 2 32))) |
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+ (numeric-case :i64 (mod result #.(expt 2 64))) |
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+ (numeric-case :f32 result) |
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+ (numeric-case :f64 result)) |
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+ stack))) |
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+ |
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+(define-numeric-instruction const ((arg :type)) |
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+ (cons (coerce arg numeric-type) |
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+ stack)) |
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+ |
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+(define-numeric-instruction sub () |
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+ (let ((i2 (pop stack)) |
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+ (i1 (pop stack))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod (+ (- (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 32)) |
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+ #.(expt 2 32))) |
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+ (numeric-case :i64 (mod (+ (- (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 64)) |
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+ #.(expt 2 64))) |
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+ (numeric-case :f32 (- (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type))) |
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+ (numeric-case :f64 (- (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction div_u () |
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+ (let ((i2 (pop stack)) |
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+ (i1 (pop stack))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod (truncate (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 32))) |
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+ (numeric-case :i64 (mod (truncate (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 64))) |
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+ (numeric-case :f32 (error "floating div not implemented")) |
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+ (numeric-case :f64 (error "floating div not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction div_s () |
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+ (let* ((i2 (coerce (pop stack) numeric-type)) |
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+ (j2 (coerce (signed size i2) numeric-type)) |
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+ (i1 (coerce (pop stack) numeric-type)) |
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+ (j1 (coerce (signed size i1) numeric-type))) |
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+ (declare (ignorable i1 i2 j1 j2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (if (/= (truncate (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 31)) |
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+ (invsigned 32 |
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+ (truncate (coerce j1 numeric-type) |
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+ (coerce j2 numeric-type))) |
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+ (error "undefined result"))) |
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+ (numeric-case :i64 (if (/= (truncate (coerce i1 numeric-type) |
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+ (coerce i2 numeric-type)) |
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+ #.(expt 2 63)) |
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+ (invsigned 64 |
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+ (truncate (coerce j1 numeric-type) |
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+ (coerce j2 numeric-type))) |
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+ (error "undefined result"))) |
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+ (numeric-case :f32 (error "floating div not implemented")) |
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+ (numeric-case :f64 (error "floating div not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction rem_u () |
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+ (let ((i2 (pop stack)) |
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+ (i1 (pop stack))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod (- (coerce i1 numeric-type) |
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+ (* (coerce i2 numeric-type) |
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+ (truncate i1 i2))) |
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+ #.(expt 2 32))) |
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+ (numeric-case :i64 (mod (- (coerce i1 numeric-type) |
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+ (* (coerce i2 numeric-type) |
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+ (truncate i1 i2))) |
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+ #.(expt 2 64))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction rem_s () |
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+ (let* ((i2 (pop stack)) |
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+ (j2 (signed size i2)) |
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+ (i1 (pop stack)) |
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+ (j1 (signed size i1))) |
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+ (declare (ignorable i1 i2 j1 j2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod (- (coerce j1 numeric-type) |
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+ (* (coerce j2 numeric-type) |
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+ (truncate j1 j2))) |
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+ #.(expt 2 32))) |
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+ (numeric-case :i64 (mod (- (coerce j1 numeric-type) |
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+ (* (coerce j2 numeric-type) |
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+ (truncate j1 j2))) |
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+ #.(expt 2 64))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction rem_s () |
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+ (let* ((i2 (pop stack)) |
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+ (j2 (signed size i2)) |
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+ (i1 (pop stack)) |
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+ (j1 (signed size i1))) |
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+ (declare (ignorable i1 i2 j1 j2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (mod (- (coerce j1 numeric-type) |
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+ (* (coerce j2 numeric-type) |
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+ (truncate j1 j2))) |
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+ #.(expt 2 32))) |
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+ (numeric-case :i64 (mod (- (coerce j1 numeric-type) |
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+ (* (coerce j2 numeric-type) |
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+ (truncate j1 j2))) |
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+ #.(expt 2 64))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction and () |
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+ (let* ((i2 (coerce (pop stack) |
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+ numeric-type)) |
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+ (i1 (coerce (pop stack) |
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+ numeric-type))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (logand #.(1- (expt 2 32)) |
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+ (logand i1 i2))) |
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+ (numeric-case :i64 (logand #.(1- (expt 2 64)) |
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+ (logand i1 i2))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction or () |
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+ (let* ((i2 (coerce (pop stack) |
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+ numeric-type)) |
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+ (i1 (coerce (pop stack) |
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+ numeric-type))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (logand #.(1- (expt 2 32)) |
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+ (logior i1 i2))) |
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+ (numeric-case :i64 (logand #.(1- (expt 2 64)) |
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+ (logior i1 i2))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(define-numeric-instruction xor () |
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+ (let* ((i2 (coerce (pop stack) |
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+ numeric-type)) |
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+ (i1 (coerce (pop stack) |
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+ numeric-type))) |
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+ (declare (ignorable i1 i2)) |
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+ (cons (numeric-dispatch |
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+ (numeric-case :i32 (logand #.(1- (expt 2 32)) |
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+ (logxor i1 i2))) |
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+ (numeric-case :i64 (logand #.(1- (expt 2 64)) |
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+ (logxor i1 i2))) |
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+ (numeric-case :f32 (error "floating rem not implemented")) |
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+ (numeric-case :f64 (error "floating rem not implemented"))) |
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+ stack))) |
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+ |
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+(fw.lu:defclass+ tracer () |
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+ ((%level :initarg :level :accessor level))) |
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+(fw.lu:defclass+ wat-emitter () |
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+ ((%level :initarg :level :accessor level))) |
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+ |
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+(defvar *client* |
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+ (tracer 0)) |
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+ |
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+(defmethod run-inst :around ((client tracer) stack locals instruction argument) |
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+ (format t "~&~vt> ~s ~s ~s~%~vt~8t|~{~s~^ ~}|"
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+ (level client) locals instruction argument |
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+ (level client) (reverse stack)) |
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+ (incf (level client)) |
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+ (unwind-protect |
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+ (let ((out (call-next-method))) |
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+ (prog1 out |
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+ (format t "~&~vt<~8t|~{~s~^ ~}|~%"
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+ (level client) (reverse out)))) |
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+ (decf (level client)))) |
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+ |
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+(defmethod run-inst :around ((client wat-emitter) stack locals instruction argument) |
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+ (incf (level client)) |
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+ (unwind-protect |
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+ (let ((out (call-next-method))) |
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+ (let ((*print-case* :downcase)) |
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+ (format t "~&~4t~a~:[~; ~:*~a~]" instruction argument)) |
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+ out) |
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+ (decf (level client)))) |
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+ |
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+(defgeneric pre-interpret (client) |
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+ (:method (client))) |
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+(defgeneric post-interpret (client) |
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+ (:method (client))) |
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+ |
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+(defmethod pre-interpret ((client wat-emitter)) |
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+ (format t "~&(module (func $it (result i32)")) |
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+(defmethod post-interpret ((client wat-emitter)) |
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+ (format t ") |
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+ (export \"it\" (func $it)))~%")) |
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+ |
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+(defun interpret (instructions locals) |
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+ (pre-interpret *client*) |
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+ (let ((stack ())) |
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+ (loop for (instruction argument) in instructions |
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+ do (setf stack |
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+ (run-inst *client* stack locals instruction argument))) |
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+ (post-interpret *client*) |
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+ stack)) |
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+ |
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+(defun test-responder () |
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+ (spinneret:with-html-string |
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+ (:html |
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+ (:body |
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+ (:script :src "https://localhost/~elangley/libwabt.js") |
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+ (:script |
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+ (:raw |
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+ (format nil "v=`~a`;WabtModule().then(wabt => window.module = new WebAssembly.Instance(new WebAssembly.Module(wabt.parseWat('foo.wast', v).toBinary({log:true,write_debug_names:true}).buffer)));"
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+ (cl-ppcre:regex-replace-all "[\"]" |
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+ (with-output-to-string (*standard-output*) |
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+ (interpret '((:i32.const #.(invsigned 32 -4)) |
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+ (:i32.const #b10101010101010111) |
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+ (:i32.and nil) |
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+ ) |
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+ (vector 10))) |
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+ "\\\"")))))))) |
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+ |
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+(defvar *app*) |
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+(defvar *handler*) |
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+(defun demo () |
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+ (let ((app (make-instance 'ningle:<app>))) |
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+ (setf (ningle:route app "/") |
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+ (lambda (params) |
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+ params |
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+ (list 200 () (list (test-responder))))) |
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+ (values (clack:clackup app |
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+ :port 5001) |
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+ app))) |
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+ |
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+(defun go* () |
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+ (setf (values *handler* *app*) |
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+ (demo))) |