mirror of
https://github.com/remko/waforth
synced 2024-11-17 07:48:06 +01:00
48 lines
1.2 KiB
JavaScript
Executable file
48 lines
1.2 KiB
JavaScript
Executable file
#!/usr/bin/env node
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// Usage: ./scripts/generate-dictionary-entry.js "\$foo" FOO 0 0x21820 0x2182c 0xa1
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const _ = require("lodash");
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const process = require("process");
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function encodeLE(n, align) {
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return (
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"\\u00" +
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_.padStart(n.toString(16), align * 2, "0")
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.match(/.{2}/g)
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.reverse()
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.join("\\u00")
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);
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}
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const funcName = process.argv[2];
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const name = process.argv[3];
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const flags = parseInt(process.argv[4]);
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const latest = parseInt(process.argv[5]);
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const here = parseInt(process.argv[6]);
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const nextTableIndex = parseInt(process.argv[7]);
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const dictionaryEntry = [
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encodeLE(latest, 4),
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encodeLE(name.length | flags, 1),
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_.padEnd(name, 4 * Math.floor((name.length + 4) / 4) - 1, "0"),
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encodeLE(nextTableIndex, 4),
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];
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console.log(
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"(data (i32.const 0x" +
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here.toString(16) +
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') "' +
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dictionaryEntry.join('" "') +
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'")'
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);
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console.log(
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"(elem (i32.const 0x" + nextTableIndex.toString(16) + ") " + funcName + ")"
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);
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console.log("latest: 0x" + here.toString(16));
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console.log(
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"here: 0x" +
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(here + dictionaryEntry.join("").replace(/\\u..../g, "_").length).toString(
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16
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)
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);
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console.log("!nextTableIndex: 0x" + (nextTableIndex + 1).toString(16));
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