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library_getvalue.js
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69 lines (62 loc) · 2.38 KB
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/**
* @license
* Copyright 2022 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
// These functions are defined once here, then included in the library below
// under two different names.
function setValueImpl(ptr, value, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': {{{ makeSetValue('ptr', '0', 'value', 'i1') }}}; break;
case 'i8': {{{ makeSetValue('ptr', '0', 'value', 'i8') }}}; break;
case 'i16': {{{ makeSetValue('ptr', '0', 'value', 'i16') }}}; break;
case 'i32': {{{ makeSetValue('ptr', '0', 'value', 'i32') }}}; break;
case 'i64': {{{ makeSetValue('ptr', '0', 'value', 'i64') }}}; break;
case 'float': {{{ makeSetValue('ptr', '0', 'value', 'float') }}}; break;
case 'double': {{{ makeSetValue('ptr', '0', 'value', 'double') }}}; break;
case '*': {{{ makeSetValue('ptr', '0', 'value', '*') }}}; break;
default: abort('invalid type for setValue: ' + type);
}
}
function getValueImpl(ptr, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': return {{{ makeGetValue('ptr', '0', 'i1') }}};
case 'i8': return {{{ makeGetValue('ptr', '0', 'i8') }}};
case 'i16': return {{{ makeGetValue('ptr', '0', 'i16') }}};
case 'i32': return {{{ makeGetValue('ptr', '0', 'i32') }}};
case 'i64': return {{{ makeGetValue('ptr', '0', 'i64') }}};
case 'float': return {{{ makeGetValue('ptr', '0', 'float') }}};
case 'double': return {{{ makeGetValue('ptr', '0', 'double') }}};
case '*': return {{{ makeGetValue('ptr', '0', '*') }}};
default: abort('invalid type for getValue: ' + type);
}
}
var LibraryMemOps = {
$setValue__docs: `
/**
* @param {number} ptr
* @param {number} value
* @param {string} type
*/`,
$setValue: setValueImpl,
$getValue__docs: `
/**
* @param {number} ptr
* @param {string} type
*/`,
$getValue: getValueImpl,
#if SAFE_HEAP
// The same as the above two functions, but known to the safeHeap pass
// in tools/acorn-optimizer.js. The heap accesses within these two
// functions will *not* get re-written.
// Note that we do not use the alias mechanism here since we need separate
// instances of above setValueImpl/getValueImpl functions.
$setValue_safe__internal: true,
$setValue_safe: setValueImpl,
$getValue_safe__internal: true,
$getValue_safe: getValueImpl,
#endif
};
mergeInto(LibraryManager.library, LibraryMemOps);