mirror of
https://github.com/Z3Prover/z3
synced 2025-04-07 09:55:19 +00:00
7fdcbbaee9
* [Draft] Added unfinished code for high level bindings for js * * Rewrote structure of js api files * Added more high level apis * Minor fixes * Fixed wasm github action * Fix JS test * Removed ContextOptions type * * Added Ints to JS Api * Added tests to JS Api * Added run-time checks for contexts * Removed default contexts * Merged Context and createContext so that the api behaves the sames as in other constructors * Added a test for Solver * Added Reals * Added classes for IntVals and RealVals * Added abillity to specify logic for solver * Try to make CI tests not fail * Changed APIs after a round of review * Fix test * Added BitVectors * Made sort into getter * Added initial JS docs * Added more coercible types * Removed done TODOs
120 lines
3 KiB
TypeScript
120 lines
3 KiB
TypeScript
// generates c wrappers with off-thread versions of specified functions
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import path from 'path';
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import { asyncFuncs } from './async-fns';
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import { functions } from './parse-api';
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export function makeCCWrapper() {
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let wrappers = [];
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for (let fnName of asyncFuncs) {
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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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return `// 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 (std::exception& e) {
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MAIN_THREAD_ASYNC_EM_ASM({
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reject_async(new Error(UTF8ToString($0)));
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}, e.what());
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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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}
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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 (std::exception& e) {
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MAIN_THREAD_ASYNC_EM_ASM({
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reject_async(new Error(UTF8ToString($0)));
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}, e.what());
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} catch (...) {
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MAIN_THREAD_ASYNC_EM_ASM({
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reject_async(new Error('failed with unknown exception'));
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});
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}
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});
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t.detach();
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}
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class Z3Exception : public std::exception {
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public:
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const std::string m_msg;
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Z3Exception(const std::string& msg) : m_msg(msg) {}
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virtual const char* what() const throw () {
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return m_msg.c_str();
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}
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};
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void throwy_error_handler(Z3_context ctx, Z3_error_code c) {
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throw Z3Exception(Z3_get_error_msg(ctx, c));
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}
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void noop_error_handler(Z3_context ctx, Z3_error_code c) {
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// pass
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}
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extern "C" void set_throwy_error_handler(Z3_context ctx) {
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Z3_set_error_handler(ctx, throwy_error_handler);
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}
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extern "C" void set_noop_error_handler(Z3_context ctx) {
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Z3_set_error_handler(ctx, noop_error_handler);
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}
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${wrappers.join('\n\n')}
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`;
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}
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if (require.main === module) {
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console.log(makeCCWrapper());
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}
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