walt-compiler
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Alternative syntax for WebAssembly text format
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<a href="../../index.html">All files</a> / <a href="index.html">src/generator</a> native.js
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">// @flow
import mergeBlock from './merge-block';
import mapSyntax from './map-syntax';
import { textMap } from '../emitter/opcode';
import type { GeneratorType } from './flow/types';
const alignCodes = {
load8_s: 0,
load8_u: 0,
store8: 0,
load16_s: 1,
load16_u: 1,
store16: 1,
store32: 2,
load32_s: 2,
load32_u: 2,
store: 2,
load: 2,
};
const immediates = {
grow_memory: 0,
current_memory: 0,
};
const generateNative: GeneratorType = (node, parent) => {
const block = node.params.map(mapSyntax(parent)).reduce(mergeBlock, []);
const operation = node.value.split('.').pop();
if (alignCodes[operation] == null) {
block.push({ kind: textMap[node.value], params: [immediates[node.value]] });
} else {
const alignment = alignCodes[operation];
const params = [alignment, 0];
block.push({ kind: textMap[node.value], params });
}
return block;
};
export default generateNative;
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Code coverage
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