mirror of
https://github.com/asmjit/asmjit.git
synced 2025-12-17 12:34:35 +03:00
Line endings
This commit is contained in:
kobalicek
@@ -1,213 +1,213 @@
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// [GenDefs]
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//
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// The purpose of this script is to fetch all instructions' names into a single
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// string. It prevents relocation that has to be done by linked to make all
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// pointers the binary application/library uses valid. This approach decreases
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// the final size of AsmJit binary.
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var fs = require("fs");
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// ----------------------------------------------------------------------------
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// [Configuration]
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// ----------------------------------------------------------------------------
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var injectStartMarker = "// ${kInstData:Begin}\n"
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var injectEndMarker = "// ${kInstData:End}\n"
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// ----------------------------------------------------------------------------
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// [Utilities]
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// ----------------------------------------------------------------------------
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var uppercaseFirst = function(s) {
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if (!s)
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return s;
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return s[0].toUpperCase() + s.substr(1);
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};
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var inject = function(s, start, end, code) {
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var iStart = s.indexOf(start);
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var iEnd = s.indexOf(end);
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if (iStart === -1)
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throw new Error("Couldn't locate start mark.");
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if (iEnd === -1)
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throw new Error("Couldn't locate end mark.");
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return s.substr(0, iStart + start.length) + code + s.substr(iEnd);
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};
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// ----------------------------------------------------------------------------
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// [Database]
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// ----------------------------------------------------------------------------
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// FullIndex - Index of the name of the instruction in one big string (no
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// prefix/suffix concept).
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// PrefixIndex - Index to a prefix string.
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// SuffixIndex - Index to a suffix string.
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var Database = (function() {
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var IndexedString = function() {
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this.array = [];
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this.index = 0;
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this.map = {};
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};
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IndexedString.prototype.add = function(s) {
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var index = this.map[s];
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if (typeof index === "number")
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return index;
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index = this.index;
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this.array.push(s);
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this.index += s.length + 1;
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this.map[s] = index;
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return index;
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};
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IndexedString.prototype.get = function(s) {
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return this.map[s];
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};
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IndexedString.prototype.format = function(indent) {
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var s = "";
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var array = this.array;
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for (var i = 0; i < array.length; i++) {
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s += indent + "\"" + array[i] + "\\0\"";
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if (i === array.length - 1)
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s += ";";
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s += "\n";
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}
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return s;
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};
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IndexedString.prototype.getSize = function() {
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return this.index;
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};
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var Database = function() {
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this.map = {};
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this.alphabetical = new Array(26);
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this.fullString = new IndexedString();
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};
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Database.prototype.add = function(name, id) {
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this.map[name] = {
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id: id,
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fullIndex: 0,
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prefixIndex: 0,
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hasV: 0
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};
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};
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Database.prototype.index = function() {
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var map = this.map;
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var alphabetical = this.alphabetical;
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for (var name in map) {
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var inst = map[name];
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inst.fullIndex = this.fullString.add(name);
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var aIndex = name.charCodeAt(0) - 'a'.charCodeAt(0);
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if (aIndex < 0 || aIndex >= 26)
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throw new Error("Alphabetical index error");
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if (alphabetical[aIndex] === undefined)
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alphabetical[aIndex] = inst.id;
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if (name.indexOf("v") === 0) {
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inst.hasV = 1;
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name = name.substr(1);
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}
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}
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};
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return Database;
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})();
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// ----------------------------------------------------------------------------
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// [Generate]
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// ----------------------------------------------------------------------------
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var generate = function(fileName, arch) {
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var oldData = fs.readFileSync(fileName, "utf8").replace(/\r\n/g, "\n");
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var data = oldData;
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var code = "";
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var Arch = uppercaseFirst(arch);
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// Create database.
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var db = new Database();
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var re = new RegExp("INST\\(([A-Za-z0-9_]+)\\s*,\\s*\\\"([A-Za-z0-9_ ]*)\\\"", "g");
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while (m = re.exec(data)) {
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var id = m[1];
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var name = m[2];
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db.add(name, id);
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}
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db.index();
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console.log("Full size: " + db.fullString.getSize());
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// Generate InstName[] string.
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code += "const char _instName[] =\n";
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for (var k in db.map) {
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var inst = db.map[k];
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code += " \"" + k + "\\0\"\n";
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}
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code = code.substr(code, code.length - 1) + ";\n\n";
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// Generate AlphaIndex.
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code += "enum kInstAlphaIndex {\n";
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code += " kInstAlphaIndexFirst = 'a',\n";
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code += " kInstAlphaIndexLast = 'z',\n";
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code += " kInstAlphaIndexInvalid = 0xFFFF\n";
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code += "};\n";
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code += "\n";
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// Generate NameIndex.
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code += "static const uint16_t _instAlphaIndex[26] = {\n";
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for (var i = 0; i < db.alphabetical.length; i++) {
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var id = db.alphabetical[i];
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code += " " + (id === undefined ? "0xFFFF" : id);
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if (i !== db.alphabetical.length - 1)
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code += ",";
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code += "\n";
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}
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code += "};\n\n";
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code += "enum kInstData_NameIndex {\n";
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for (var k in db.map) {
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var inst = db.map[k];
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code += " " + inst.id + "_NameIndex = " + inst.fullIndex + ",\n";
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}
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code = code.substr(code, code.length - 2) + "\n};\n";
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// Inject.
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data = inject(data, injectStartMarker, injectEndMarker, code);
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// Save only if modified.
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if (data !== oldData)
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fs.writeFileSync(fileName, data, "utf8");
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};
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// ----------------------------------------------------------------------------
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// [Main]
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// ----------------------------------------------------------------------------
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var main = function(files) {
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files.forEach(function(file) {
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generate(file.name, file.arch);
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});
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};
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main([
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{
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name: "../src/asmjit/x86/x86inst.cpp",
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arch: "x86"
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}
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]);
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// [GenDefs]
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//
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// The purpose of this script is to fetch all instructions' names into a single
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// string. It prevents relocation that has to be done by linked to make all
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// pointers the binary application/library uses valid. This approach decreases
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// the final size of AsmJit binary.
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var fs = require("fs");
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// ----------------------------------------------------------------------------
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// [Configuration]
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// ----------------------------------------------------------------------------
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var injectStartMarker = "// ${kInstData:Begin}\n"
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var injectEndMarker = "// ${kInstData:End}\n"
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// ----------------------------------------------------------------------------
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// [Utilities]
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// ----------------------------------------------------------------------------
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var uppercaseFirst = function(s) {
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if (!s)
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return s;
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return s[0].toUpperCase() + s.substr(1);
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};
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var inject = function(s, start, end, code) {
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var iStart = s.indexOf(start);
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var iEnd = s.indexOf(end);
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if (iStart === -1)
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throw new Error("Couldn't locate start mark.");
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if (iEnd === -1)
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throw new Error("Couldn't locate end mark.");
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return s.substr(0, iStart + start.length) + code + s.substr(iEnd);
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};
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// ----------------------------------------------------------------------------
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// [Database]
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// ----------------------------------------------------------------------------
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// FullIndex - Index of the name of the instruction in one big string (no
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// prefix/suffix concept).
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// PrefixIndex - Index to a prefix string.
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// SuffixIndex - Index to a suffix string.
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var Database = (function() {
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var IndexedString = function() {
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this.array = [];
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this.index = 0;
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this.map = {};
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};
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IndexedString.prototype.add = function(s) {
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var index = this.map[s];
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if (typeof index === "number")
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return index;
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index = this.index;
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this.array.push(s);
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this.index += s.length + 1;
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this.map[s] = index;
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return index;
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};
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IndexedString.prototype.get = function(s) {
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return this.map[s];
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};
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IndexedString.prototype.format = function(indent) {
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var s = "";
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var array = this.array;
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for (var i = 0; i < array.length; i++) {
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s += indent + "\"" + array[i] + "\\0\"";
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if (i === array.length - 1)
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s += ";";
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s += "\n";
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}
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return s;
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};
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IndexedString.prototype.getSize = function() {
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return this.index;
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};
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var Database = function() {
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this.map = {};
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this.alphabetical = new Array(26);
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this.fullString = new IndexedString();
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};
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Database.prototype.add = function(name, id) {
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this.map[name] = {
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id: id,
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fullIndex: 0,
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prefixIndex: 0,
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hasV: 0
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};
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};
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Database.prototype.index = function() {
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var map = this.map;
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var alphabetical = this.alphabetical;
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for (var name in map) {
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var inst = map[name];
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inst.fullIndex = this.fullString.add(name);
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var aIndex = name.charCodeAt(0) - 'a'.charCodeAt(0);
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if (aIndex < 0 || aIndex >= 26)
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throw new Error("Alphabetical index error");
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if (alphabetical[aIndex] === undefined)
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alphabetical[aIndex] = inst.id;
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if (name.indexOf("v") === 0) {
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inst.hasV = 1;
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name = name.substr(1);
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}
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}
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};
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return Database;
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})();
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// ----------------------------------------------------------------------------
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// [Generate]
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// ----------------------------------------------------------------------------
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var generate = function(fileName, arch) {
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var oldData = fs.readFileSync(fileName, "utf8").replace(/\r\n/g, "\n");
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var data = oldData;
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var code = "";
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var Arch = uppercaseFirst(arch);
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// Create database.
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var db = new Database();
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var re = new RegExp("INST\\(([A-Za-z0-9_]+)\\s*,\\s*\\\"([A-Za-z0-9_ ]*)\\\"", "g");
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while (m = re.exec(data)) {
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var id = m[1];
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var name = m[2];
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db.add(name, id);
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}
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db.index();
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console.log("Full size: " + db.fullString.getSize());
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// Generate InstName[] string.
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code += "const char _instName[] =\n";
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for (var k in db.map) {
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var inst = db.map[k];
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code += " \"" + k + "\\0\"\n";
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}
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code = code.substr(code, code.length - 1) + ";\n\n";
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// Generate AlphaIndex.
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code += "enum kInstAlphaIndex {\n";
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code += " kInstAlphaIndexFirst = 'a',\n";
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code += " kInstAlphaIndexLast = 'z',\n";
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code += " kInstAlphaIndexInvalid = 0xFFFF\n";
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code += "};\n";
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code += "\n";
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// Generate NameIndex.
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code += "static const uint16_t _instAlphaIndex[26] = {\n";
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for (var i = 0; i < db.alphabetical.length; i++) {
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var id = db.alphabetical[i];
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code += " " + (id === undefined ? "0xFFFF" : id);
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if (i !== db.alphabetical.length - 1)
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code += ",";
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code += "\n";
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}
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code += "};\n\n";
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code += "enum kInstData_NameIndex {\n";
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for (var k in db.map) {
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var inst = db.map[k];
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code += " " + inst.id + "_NameIndex = " + inst.fullIndex + ",\n";
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}
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code = code.substr(code, code.length - 2) + "\n};\n";
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// Inject.
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data = inject(data, injectStartMarker, injectEndMarker, code);
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// Save only if modified.
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if (data !== oldData)
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fs.writeFileSync(fileName, data, "utf8");
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};
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// ----------------------------------------------------------------------------
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// [Main]
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// ----------------------------------------------------------------------------
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var main = function(files) {
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files.forEach(function(file) {
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generate(file.name, file.arch);
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});
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};
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main([
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{
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name: "../src/asmjit/x86/x86inst.cpp",
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arch: "x86"
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}
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]);
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||||
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Reference in New Issue
Block a user