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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">// @flow
import invariant from 'invariant';
import mapSyntax from './map-syntax';
import mergeBlock from './merge-block';
import opcode from '../emitter/opcode';
import { LOCAL_INDEX, TYPE_INDEX } from '../semantics/metadata';
import type { GeneratorType } from './flow/types';
const generateIndirectFunctionCall: GeneratorType = (node, parent) => {
const block = node.params.map(mapSyntax(parent)).reduce(mergeBlock, []);
const localIndex = node.meta[LOCAL_INDEX];
const typeIndexMeta = node.meta[TYPE_INDEX];
invariant(
localIndex != null,
'Undefined local index, not a valid function pointer'
);
invariant(
typeIndexMeta != null,
'Variable is not of a valid function pointer type'
);
return [
...block,
{
kind: opcode.CallIndirect,
params: [typeIndexMeta, 0],
},
];
};
export default generateIndirectFunctionCall;
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