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Add WebAssembly/TypeScript bindings (#5762)
* Add TypeScript bindings * mark Z3_eval_smtlib2_string as async
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18 changed files with 1722 additions and 33 deletions
82
src/api/js/scripts/make-cc-wrapper.js
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82
src/api/js/scripts/make-cc-wrapper.js
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@ -0,0 +1,82 @@
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'use strict';
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// generates c wrappers with off-thread versions of specified functions
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let path = require('path');
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let { functions } = require('./parse-api.js');
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let asyncFns = require('./async-fns.js');
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let wrappers = [];
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for (let fnName of asyncFns) {
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let fn = functions.find(f => f.name === fnName);
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if (fn == null) {
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throw new Error(`could not find definition for ${fnName}`);
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}
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let wrapper;
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if (fn.cRet === 'Z3_string') {
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wrapper = `wrapper_str`;
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} else if (['int', 'unsigned', 'void'].includes(fn.cRet) || fn.cRet.startsWith('Z3_')) {
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wrapper = `wrapper`;
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} else {
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throw new Error(`async function with unknown return type ${fn.cRet}`);
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}
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wrappers.push(
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`
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extern "C" void async_${fn.name}(${fn.params
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.map(p => `${p.isConst ? 'const ' : ''}${p.cType}${p.isPtr ? '*' : ''} ${p.name}${p.isArray ? '[]' : ''}`)
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.join(', ')}) {
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${wrapper}<decltype(&${fn.name}), &${fn.name}>(${fn.params.map(p => `${p.name}`).join(', ')});
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}
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`.trim(),
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);
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}
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console.log(`// THIS FILE IS AUTOMATICALLY GENERATED BY ${path.basename(__filename)}
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// DO NOT EDIT IT BY HAND
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#include <thread>
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#include <emscripten.h>
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#include "../../z3.h"
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template<typename Fn, Fn fn, typename... Args>
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void wrapper(Args&&... args) {
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std::thread t([...args = std::forward<Args>(args)] {
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try {
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auto result = fn(args...);
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MAIN_THREAD_ASYNC_EM_ASM({
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resolve_async($0);
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}, result);
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} catch (...) {
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MAIN_THREAD_ASYNC_EM_ASM({
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reject_async('failed with unknown exception');
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});
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throw;
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}
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});
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t.detach();
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}
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template<typename Fn, Fn fn, typename... Args>
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void wrapper_str(Args&&... args) {
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std::thread t([...args = std::forward<Args>(args)] {
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try {
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auto result = fn(args...);
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MAIN_THREAD_ASYNC_EM_ASM({
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resolve_async(UTF8ToString($0));
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}, result);
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} catch (...) {
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MAIN_THREAD_ASYNC_EM_ASM({
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reject_async('failed with unknown exception');
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});
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throw;
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}
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});
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t.detach();
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}
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${wrappers.join('\n\n')}`);
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