mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-12 22:05:33 +00:00
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// Copyright 2018 The Emscripten Authors. All rights reserved.
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// Emscripten is available under two separate licenses, the MIT license and the
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// University of Illinois/NCSA Open Source License. Both these licenses can be
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// found in the LICENSE file.
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#include <emscripten.h>
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#include <stdio.h>
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EM_JS(void, noarg, (void), { out("no args works"); });
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EM_JS(int, noarg_int, (void), {
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out("no args returning int");
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return 12;
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});
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EM_JS(double, noarg_double, (void), {
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out("no args returning double");
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return 12.25;
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});
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EM_JS(void, intarg, (int x), { out(" takes ints: " + x);});
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EM_JS(void, doublearg, (double d), { out(" takes doubles: " + d);});
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EM_JS(double, stringarg, (char* str), {
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out(" takes strings: " + Pointer_stringify(str));
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return 7.75;
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});
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EM_JS(int, multi_intarg, (int x, int y), {
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out(" takes multiple ints: " + x + ", " + y);
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return 6;
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});
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EM_JS(double, multi_mixedarg, (int x, const char* str, double d), {
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out(" mixed arg types: " + x + ", " + Pointer_stringify(str) + ", " + d);
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return 8.125;
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});
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EM_JS(int, unused_args, (int unused), {
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out(" ignores unused args");
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return 5.5;
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});
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EM_JS(double, skip_args, (int x, int y), {
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out(" skips unused args: " + y);
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return 6;
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});
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EM_JS(double, add_outer, (double x, double y, double z), {
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out(" " + x + " + " + z);
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return x + z;
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});
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EM_JS(int, user_separator, (void), {
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out(" can use <::> separator in user code");
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return 15;
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});
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EM_JS(int, user_comma, (void), {
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var x, y;
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x = {};
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y = 3;
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x[y] = [1, 2, 3];
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out(" can have commas in user code: " + x[y]);
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return x[y][1];
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});
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EM_JS(const char*, return_utf8_str, (void), {
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var jsString = 'こんにちは';
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var lengthBytes = lengthBytesUTF8(jsString);
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var stringOnWasmHeap = _malloc(lengthBytes);
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stringToUTF8(jsString, stringOnWasmHeap, lengthBytes+1);
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return stringOnWasmHeap;
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});
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EM_JS(const char*, return_str, (void), {
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var jsString = 'hello from js';
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var lengthBytes = jsString.length+1;
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var stringOnWasmHeap = _malloc(lengthBytes);
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stringToUTF8(jsString, stringOnWasmHeap, lengthBytes+1);
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return stringOnWasmHeap;
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});
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int main() {
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printf("BEGIN\n");
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noarg();
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printf(" noarg_int returned: %d\n", noarg_int());
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printf(" noarg_double returned: %f\n", noarg_double());
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intarg(5);
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doublearg(5.0675);
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printf(" stringarg returned: %f\n", stringarg("string arg"));
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printf(" multi_intarg returned: %d\n", multi_intarg(5, 7));
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printf(" multi_mixedarg returned: %f\n", multi_mixedarg(3, "hello", 4.75));
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printf(" unused_args returned: %d\n", unused_args(0));
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printf(" skip_args returned: %f\n", skip_args(5, 7));
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printf(" add_outer returned: %f\n", add_outer(5.5, 7.0, 14.375));
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printf(" user_separator returned: %d\n", user_separator());
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printf(" user_comma returned: %d\n", user_comma());
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printf(" return_str returned: %s\n", return_str());
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printf(" return_utf8_str returned: %s\n", return_utf8_str());
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printf("END\n");
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return 0;
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}
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