88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
var fs = require("fs")
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var n = 100
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var subn = 10
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function forN(n, cb) {
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for (var i = 0; i < n; i++) {
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cb(i)
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}
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}
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function formatNJoin(n, start, join) {
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return start + [...Array(n).keys()].join(join)
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}
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function formatNJoinReverse(n, start, join) {
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return start + [...Array(n).keys()].reverse().join(join)
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}
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function formatNJoinReverseSuffix(n, start, join, suffix) {
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return start + [...Array(n).keys()].reverse().join(suffix + join) + suffix
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}
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function formatNJoinReverse(n, start, join) {
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return start + [...Array(n).keys()].reverse().join(join)
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}
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function formatNParamPattern(n, join) {
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return formatNJoin(n, join, ", " + join)
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}
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function formatNParamPatternReverse(n, join) {
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return formatNJoinReverse(n, join, ", " + join)
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}
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function formatNParamPatternReverseSuffix(n, join, suffix) {
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return formatNJoinReverseSuffix(n, join, ", " + join, suffix)
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}
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var textBuffer = ""
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textBuffer +=
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`/**
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* X-Macro alternative. Defines AU_FOR_EACH_N(expandable, ...args*N)
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* Autogenerated by forEach.js; do not modify"
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*/
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#define AU_FE_EXPAND(exp) exp
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`
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forN(subn, function(subN) {
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if (!subN) return
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var suffix = subN != 1 ? "_" + (subN): ""
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var re = n * subN
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forN(re, function(i) {
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if (i == 0) textBuffer += `#define AU_FE_0${suffix}(prefix) \n`
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else {
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var X = formatNParamPattern(subN, "X")
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var iM1 = i - 1
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var iM1Translated = i - subN
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if (subN == 1) {
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textBuffer += `#define AU_FE_${i}${suffix}(prefix, ${X}, ...) prefix(${X}) AU_FE_EXPAND(AU_FE_${iM1}${suffix}(prefix, __VA_ARGS__))\n`
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} else if (i % subN == 0) {
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if (i == subN) {
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textBuffer += `#define AU_FE_${i}${suffix}(prefix, ${X}) prefix(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(prefix))\n`
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} else {
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textBuffer += `#define AU_FE_${i}${suffix}(prefix, ${X}, ...) prefix(${X}) AU_FE_EXPAND(AU_FE_${iM1Translated}${suffix}(prefix, __VA_ARGS__))\n`
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}
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} else {
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textBuffer += `#define AU_FE_${i}${suffix}(prefix, ${X}, ...) Macro Jump Error\n`
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}
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}
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})
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var GET_MACRO_PARAMS = formatNParamPattern(re, "_")
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textBuffer += `#define AU_GET_MACRO${suffix}(${GET_MACRO_PARAMS}, NAME,...) NAME\n`
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var params = formatNParamPatternReverseSuffix(re, "AU_FE_", suffix)
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var finalLine = `#define AU_FOR_EACH${suffix}(action, ...) AU_FE_EXPAND(AU_GET_MACRO${suffix}(_whydoweneedthis, __VA_ARGS__, ${params})(action,__VA_ARGS__))`
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textBuffer += finalLine
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textBuffer += "\n\n"
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})
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fs.writeFileSync("./Include/AuroraForEach.hpp", textBuffer)
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