remove unmaintained WASM support
Same reasoning as #1254 Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst
parent
5ae7e156cb
commit
301a8df8f9
4 changed files with 0 additions and 637 deletions
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@ -8,7 +8,6 @@ const log = std.log.scoped(.mach);
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const gamemode_log = std.log.scoped(.gamemode);
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pub const sysgpu = @import("../main.zig").sysgpu;
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pub const sysjs = @import("mach-sysjs");
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pub const Timer = @import("core/Timer.zig");
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const Frequency = @import("core/Frequency.zig");
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@ -5,7 +5,6 @@ const std = @import("std");
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// Core
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pub const Core = if (build_options.want_core) @import("Core.zig") else struct {};
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pub const Timer = if (build_options.want_core) Core.Timer else struct {};
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pub const sysjs = if (build_options.want_core) @import("mach-sysjs") else struct {};
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// Mach standard library
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// gamemode requires libc on linux
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@ -1,366 +0,0 @@
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let text_decoder = new TextDecoder();
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let text_encoder = new TextEncoder();
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let log_buf = "";
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let uindex = 0;
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let indices = [];
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let values = [];
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let value_map = {};
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class MemoryBlock {
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constructor(mem, offset = 0) {
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this.mem = mem;
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this.offset = offset;
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}
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slice(offset) {
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return new MemoryBlock(this.mem, offset);
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}
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getMemory() {
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return new DataView(this.mem, this.offset);
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}
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getU8(offset) {
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return this.getMemory().getUint8(offset, true);
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}
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getU32(offset) {
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return this.getMemory().getUint32(offset, true);
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}
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getU64(offset) {
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const ls = this.getU32(offset);
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const ms = this.getU32(offset + 4);
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return ls + ms * 4294967296;
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}
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getF64(offset) {
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return this.getMemory().getFloat64(offset, true);
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}
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getSlice(offset, len) {
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return new Uint8Array(this.mem, offset, len);
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}
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getString(offset, len) {
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return text_decoder.decode(new Uint8Array(this.mem, offset, len));
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}
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setU8(offset, data) {
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this.getMemory().setUint8(offset, data, true);
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}
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setU32(offset, data) {
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this.getMemory().setUint32(offset, data, true);
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}
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setU64(offset, data) {
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this.getMemory().setUint32(offset, data, true);
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this.getMemory().setUint32(offset + 4, Math.floor(data / 4294967296), true);
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}
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setF64(offset, data) {
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this.getMemory().setFloat64(offset, data, true);
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}
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setString(offset, str) {
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const string = text_encoder.encode(str);
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const buffer = new Uint8Array(this.mem, offset, string.length);
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for (let i = 0; i < string.length; i += 1) {
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buffer[i] = string[i];
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}
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}
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}
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const sysjs = {
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wasm: undefined,
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buffer: undefined,
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init(wasm) {
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this.wasm = wasm;
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values = [];
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value_map = {};
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this.addValue(globalThis);
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},
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addValue(value) {
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value.__proto__.__uindex = uindex;
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let idx = indices.pop();
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if (idx !== undefined) {
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values[idx] = value;
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} else {
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idx = values.push(value) - 1;
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}
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value_map[uindex] = idx;
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uindex += 1;
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return idx;
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},
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zigCreateMap() {
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return sysjs.addValue(new Map());
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},
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zigCreateArray() {
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return sysjs.addValue(new Array());
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},
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zigCreateString(str, len) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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return sysjs.addValue(memory.getString(str, len));
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},
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zigCreateFunction(id, captures, len) {
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return sysjs.addValue(function () {
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const args = sysjs.addValue(arguments);
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sysjs.wasm.exports.wasmCallFunction(id, args, arguments.length, captures, len);
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const return_value = values[args]["return_value"];
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sysjs.zigCleanupObject(args);
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return return_value;
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});
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},
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getType(value) {
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switch (typeof value) {
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case "object":
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switch (value) {
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case null:
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return 4;
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default:
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return 0;
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}
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case "number":
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return 1;
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case "boolean":
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return 2;
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case "string":
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return 3;
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case "undefined":
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return 5;
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case "function":
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return 6;
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}
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},
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writeObject(block, data, type) {
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switch (type) {
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case 0:
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case 6:
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block.setU8(0, type);
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block.setU64(8, data);
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break;
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case 1:
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block.setU8(0, 1);
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block.setF64(8, data);
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break;
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case 2:
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block.setU8(0, 2);
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block.setU8(8, data);
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break;
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case 3:
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block.setU8(0, 3);
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block.setU64(8, data);
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break;
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case 4:
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block.setU8(0, 4);
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break;
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case 5:
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block.setU8(0, 5);
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break;
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}
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},
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readObject(block) {
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switch (block.getU8(0)) {
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case 0:
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case 6:
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return values[block.getU64(8)];
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case 1:
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return block.getF64(8);
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case 2:
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return Boolean(block.getU8(8));
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case 3:
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return values[block.getU64(8)];
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case 4:
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return null;
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case 5:
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return undefined;
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}
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},
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getPropertyEx(prop, ret_ptr, offset) {
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let len = undefined;
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const type = this.getType(prop);
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switch (type) {
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case 3:
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len = prop.length;
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case 0:
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case 6:
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if (prop in value_map) {
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prop = value_map[prop.__uindex];
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} else {
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prop = sysjs.addValue(prop);
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}
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break;
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}
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if (len !== undefined) prop.__proto__.length = len;
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let memory = new MemoryBlock(ret_ptr, offset);
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sysjs.writeObject(memory, prop, type);
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},
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getProperty(prop, ret_ptr) {
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return sysjs.getPropertyEx(prop, sysjs.wasm.exports.memory.buffer, ret_ptr);
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},
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zigGetProperty(id, name, len, ret_ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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let prop = values[id][memory.getString(name, len)];
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sysjs.getProperty(prop, ret_ptr);
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},
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zigSetProperty(id, name, len, set_ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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values[id][memory.getString(name, len)] = sysjs.readObject(
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memory.slice(set_ptr)
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);
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},
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zigDeleteProperty(id, name, len) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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delete values[id][memory.getString(name, len)];
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},
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zigGetIndex(id, index, ret_ptr) {
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let prop = values[id][index];
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sysjs.getProperty(prop, ret_ptr);
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},
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zigSetIndex(id, index, set_ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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values[id][index] = sysjs.readObject(memory.slice(set_ptr));
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},
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zigDeleteIndex(id, index) {
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delete values[id][index];
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},
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zigCopyBytes(id, bytes, expected_length) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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const array = values[id];
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if (array.length != expected_length) {
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throw Error("copyBytes given array of length " + expected_length + " but destination has length " + array.length);
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}
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const slice = memory.getSlice(bytes, array.length);
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array.set(slice);
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},
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zigGetAttributeCount(id) {
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let obj = values[id];
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return Object.keys(obj).length;
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},
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zigCleanupObject(id) {
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const idx = Number(id);
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delete value_map[values[idx].__uindex];
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delete values[idx];
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indices.push(idx);
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},
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zigGetStringLength(val_id) {
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return values[value_map[val_id]].length;
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},
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zigGetString(val_id, ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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memory.setString(ptr, values[value_map[val_id]]);
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},
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zigValueEqual(val, other) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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const val_js = sysjs.readObject(memory.slice(val));
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const other_js = sysjs.readObject(memory.slice(other));
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return val_js === other_js;
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},
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zigValueInstanceOf(val, other) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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const val_js = sysjs.readObject(memory.slice(val));
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const other_js = sysjs.readObject(memory.slice(other));
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return val_js instanceof other_js;
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},
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functionCall(func, this_param, args, args_len, ret_ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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let argv = [];
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for (let i = 0; i < args_len; i += 1) {
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argv.push(sysjs.readObject(memory.slice(args + i * 16)));
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}
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let result = func.apply(this_param, argv);
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let length = undefined;
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const type = sysjs.getType(result);
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switch (type) {
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case 3:
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length = result.length;
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case 0:
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case 6:
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result = sysjs.addValue(result);
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break;
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}
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if (length !== undefined) result.__proto__.length = length;
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sysjs.writeObject(memory.slice(ret_ptr), result, type);
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},
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zigFunctionCall(id, name, len, args, args_len, ret_ptr) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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sysjs.functionCall(
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values[id][memory.getString(name, len)],
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values[id],
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args,
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args_len,
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ret_ptr
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);
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},
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zigFunctionInvoke(id, args, args_len, ret_ptr) {
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sysjs.functionCall(values[id], undefined, args, args_len, ret_ptr);
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},
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zigGetParamCount(id) {
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return values[id].length;
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},
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zigConstructType(id, args, args_len) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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let argv = [];
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for (let i = 0; i < args_len; i += 1) {
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argv.push(sysjs.readObject(memory.slice(args + i * 16)));
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}
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return sysjs.addValue(new values[id](...argv));
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},
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wzLogWrite(str, len) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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log_buf += memory.getString(str, len);
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},
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wzLogFlush() {
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console.log(log_buf);
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log_buf = "";
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},
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wzPanic(str, len) {
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let memory = new MemoryBlock(sysjs.wasm.exports.memory.buffer);
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throw Error(memory.getString(str, len));
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},
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};
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export { sysjs };
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@ -1,269 +0,0 @@
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const std = @import("std");
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const Allocator = std.mem.Allocator;
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const builtin = @import("builtin");
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const js = struct {
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extern "sysjs" fn zigCreateMap() u32;
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extern "sysjs" fn zigCreateArray() u32;
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extern "sysjs" fn zigCreateString(str: [*]const u8, len: u32) u32;
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extern "sysjs" fn zigCreateFunction(id: *const anyopaque, captures: [*]Value, len: u32) u32;
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extern "sysjs" fn zigGetAttributeCount(id: u64) u32;
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extern "sysjs" fn zigGetProperty(id: u64, name: [*]const u8, len: u32, ret_ptr: *anyopaque) void;
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extern "sysjs" fn zigSetProperty(id: u64, name: [*]const u8, len: u32, set_ptr: *const anyopaque) void;
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extern "sysjs" fn zigDeleteProperty(id: u64, name: [*]const u8, len: u32) void;
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extern "sysjs" fn zigGetIndex(id: u64, index: u32, ret_ptr: *anyopaque) void;
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extern "sysjs" fn zigSetIndex(id: u64, index: u32, set_ptr: *const anyopaque) void;
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extern "sysjs" fn zigGetString(val_id: u64, ptr: [*]const u8) void;
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extern "sysjs" fn zigGetStringLength(val_id: u64) u32;
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extern "sysjs" fn zigValueEqual(val: *const anyopaque, other: *const anyopaque) bool;
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extern "sysjs" fn zigValueInstanceOf(val: *const anyopaque, other: *const anyopaque) bool;
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extern "sysjs" fn zigDeleteIndex(id: u64, index: u32) void;
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extern "sysjs" fn zigCopyBytes(id: u64, bytes: [*]u8, expected_len: u32) void;
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extern "sysjs" fn zigFunctionCall(id: u64, name: [*]const u8, len: u32, args: ?*const anyopaque, args_len: u32, ret_ptr: *anyopaque) void;
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extern "sysjs" fn zigFunctionInvoke(id: u64, args: ?*const anyopaque, args_len: u32, ret_ptr: *anyopaque) void;
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extern "sysjs" fn zigGetParamCount(id: u64) u32;
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extern "sysjs" fn zigConstructType(id: u64, args: ?*const anyopaque, args_len: u32) u32;
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extern "sysjs" fn zigCleanupObject(id: u64) void;
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};
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pub const Value = extern struct {
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tag: Tag,
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val: extern union {
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ref: u64,
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num: f64,
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bool: bool,
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},
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pub const Tag = enum(u8) {
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object,
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num,
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bool,
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str,
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null,
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undefined,
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func,
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};
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pub fn is(val: *const Value, comptime tag: Tag) bool {
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return val.tag == tag;
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}
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pub fn view(val: *const Value, comptime tag: Tag) switch (tag) {
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.object => Object,
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.num => f64,
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.bool => bool,
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.str => String,
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.func => Function,
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.null, .undefined => @compileError("Cannot get null or undefined as a value"),
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} {
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return switch (tag) {
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.object => Object{ .ref = val.val.ref },
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.num => val.val.num,
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.bool => val.val.bool,
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.str => String{ .ref = val.val.ref },
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.func => Function{ .ref = val.val.ref },
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else => unreachable,
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};
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}
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pub fn eql(val: *const Value, other: Value) bool {
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if (val.tag != other.tag)
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return false;
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return switch (val.tag) {
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.num => val.val.num == other.val.num,
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.bool => val.val.bool == other.val.bool,
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// Using JS equality (===) is better here since lets say a ref can be dangling
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else => js.zigValueEqual(val, &other),
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};
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}
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pub fn instanceOf(val: *const Value, other: Value) bool {
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return js.zigValueInstanceOf(val, &other);
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}
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pub fn format(val: *const Value, comptime _: []const u8, _: std.fmt.FormatOptions, writer: anytype) !void {
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switch (val.tag) {
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.object => try writer.print("Object@{}({})", .{ val.val.ref, val.view(.object).attributeCount() }),
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.num => if (val.val.num > 10000)
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try writer.print("{e}", .{val.val.num})
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else
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try writer.print("{d}", .{val.val.num}),
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.bool => try writer.writeAll(if (val.view(.bool)) "true" else "false"),
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.str => try writer.print("String@{}({})", .{ val.val.ref, val.view(.str).getLength() }),
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.func => try writer.print("Function@{}({})", .{ val.val.ref, val.view(.func).paramCount() }),
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.null => try writer.writeAll("null"),
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.undefined => try writer.writeAll("undefined"),
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}
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}
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};
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pub const Object = struct {
|
||||
ref: u64,
|
||||
|
||||
pub fn deinit(obj: *const Object) void {
|
||||
js.zigCleanupObject(obj.ref);
|
||||
}
|
||||
|
||||
pub fn toValue(obj: *const Object) Value {
|
||||
return .{ .tag = .object, .val = .{ .ref = obj.ref } };
|
||||
}
|
||||
|
||||
pub fn attributeCount(obj: *const Object) usize {
|
||||
return js.zigGetAttributeCount(obj.ref);
|
||||
}
|
||||
|
||||
pub fn get(obj: *const Object, prop: []const u8) Value {
|
||||
var ret: Value = undefined;
|
||||
js.zigGetProperty(obj.ref, prop.ptr, @as(u32, @intCast(prop.len)), &ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
pub fn set(obj: *const Object, prop: []const u8, value: Value) void {
|
||||
js.zigSetProperty(obj.ref, prop.ptr, @as(u32, @intCast(prop.len)), &value);
|
||||
}
|
||||
|
||||
pub fn delete(obj: *const Object, prop: []const u8) void {
|
||||
js.zigDeleteProperty(obj.ref, prop.ptr, @as(u32, @intCast(prop.len)));
|
||||
}
|
||||
|
||||
pub fn getIndex(obj: *const Object, index: u32) Value {
|
||||
var ret: Value = undefined;
|
||||
js.zigGetIndex(obj.ref, index, &ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
pub fn setIndex(obj: *const Object, index: u32, value: Value) void {
|
||||
js.zigSetIndex(obj.ref, index, &value);
|
||||
}
|
||||
|
||||
pub fn deleteIndex(obj: *const Object, index: u32) void {
|
||||
js.zigDeleteIndex(obj.ref, index);
|
||||
}
|
||||
|
||||
pub fn copyBytes(obj: *const Object, bytes: []u8) void {
|
||||
js.zigCopyBytes(obj.ref, bytes.ptr, @as(u32, @intCast(bytes.len)));
|
||||
}
|
||||
|
||||
pub fn call(obj: *const Object, fun: []const u8, args: []const Value) Value {
|
||||
var ret: Value = undefined;
|
||||
js.zigFunctionCall(obj.ref, fun.ptr, @as(u32, @intCast(fun.len)), args.ptr, @as(u32, @intCast(args.len)), &ret);
|
||||
return ret;
|
||||
}
|
||||
};
|
||||
|
||||
pub const Function = struct {
|
||||
ref: u64,
|
||||
|
||||
pub fn deinit(func: *const Function) void {
|
||||
js.zigCleanupObject(func.ref);
|
||||
}
|
||||
|
||||
pub fn toValue(func: *const Function) Value {
|
||||
return .{ .tag = .func, .val = .{ .ref = func.ref } };
|
||||
}
|
||||
|
||||
pub fn paramCount(func: *const Function) usize {
|
||||
// FIXME: native functions would always return 0
|
||||
return js.zigGetParamCount(func.ref);
|
||||
}
|
||||
|
||||
pub fn construct(func: *const Function, args: []const Value) Object {
|
||||
return .{ .ref = js.zigConstructType(func.ref, args.ptr, @as(u32, @intCast(args.len))) };
|
||||
}
|
||||
|
||||
pub fn invoke(func: *const Function, args: []const Value) Value {
|
||||
var ret: Value = undefined;
|
||||
js.zigFunctionInvoke(func.ref, args.ptr, @as(u32, @intCast(args.len)), &ret);
|
||||
return ret;
|
||||
}
|
||||
};
|
||||
|
||||
pub const String = struct {
|
||||
ref: u64,
|
||||
|
||||
pub fn deinit(string: *const String) void {
|
||||
js.zigCleanupObject(string.ref);
|
||||
}
|
||||
|
||||
pub fn toValue(string: *const String) Value {
|
||||
return .{ .tag = .str, .val = .{ .ref = string.ref } };
|
||||
}
|
||||
|
||||
pub fn getLength(string: *const String) usize {
|
||||
return js.zigGetStringLength(string.ref);
|
||||
}
|
||||
|
||||
pub fn getOwnedSlice(string: *const String, allocator: std.mem.Allocator) ![]const u8 {
|
||||
const slice = try allocator.alloc(u8, string.getLength());
|
||||
errdefer allocator.free(slice);
|
||||
js.zigGetString(string.ref, slice.ptr);
|
||||
return slice;
|
||||
}
|
||||
};
|
||||
|
||||
export fn wasmCallFunction(id: *anyopaque, args: u32, len: u32, captures: [*]Value, captures_len: u32) void {
|
||||
var captures_slice: []Value = undefined;
|
||||
captures_slice.ptr = captures;
|
||||
captures_slice.len = captures_len;
|
||||
|
||||
const obj = Object{ .ref = args };
|
||||
const func = @as(FunType, @ptrCast(@alignCast(id)));
|
||||
obj.set("return_value", func(obj, len, captures_slice));
|
||||
}
|
||||
|
||||
pub fn global() Object {
|
||||
return Object{ .ref = 0 };
|
||||
}
|
||||
|
||||
pub fn createMap() Object {
|
||||
return .{ .ref = js.zigCreateMap() };
|
||||
}
|
||||
|
||||
pub fn createArray() Object {
|
||||
return .{ .ref = js.zigCreateArray() };
|
||||
}
|
||||
|
||||
pub fn createString(string: []const u8) String {
|
||||
return .{ .ref = js.zigCreateString(string.ptr, @as(u32, @intCast(string.len))) };
|
||||
}
|
||||
|
||||
pub fn createNumber(num: anytype) Value {
|
||||
switch (@typeInfo(@TypeOf(num))) {
|
||||
.Int,
|
||||
.Float,
|
||||
.ComptimeInt,
|
||||
.ComptimeFloat,
|
||||
=> return .{ .tag = .num, .val = .{ .num = std.math.lossyCast(f64, num) } },
|
||||
else => @compileError("expected integer, found " ++ @typeName(@TypeOf(num))),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn createBool(val: bool) Value {
|
||||
return .{ .tag = .bool, .val = .{ .bool = val } };
|
||||
}
|
||||
|
||||
pub fn createNull() Value {
|
||||
return .{ .tag = .null, .val = undefined };
|
||||
}
|
||||
|
||||
pub fn createUndefined() Value {
|
||||
return .{ .tag = .undefined, .val = undefined };
|
||||
}
|
||||
|
||||
const FunType = *const fn (args: Object, args_len: u32, captures: []Value) Value;
|
||||
|
||||
pub fn createFunction(fun: FunType, captures: []Value) Function {
|
||||
return .{ .ref = js.zigCreateFunction(fun, captures.ptr, @as(u32, @intCast(captures.len))) };
|
||||
}
|
||||
|
||||
pub fn constructType(t: []const u8, args: []const Value) Object {
|
||||
const constructor = global().get(t).view(.func);
|
||||
defer constructor.deinit();
|
||||
|
||||
return constructor.construct(args);
|
||||
}
|
||||
|
||||
test {
|
||||
std.testing.refAllDeclsRecursive(@This());
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue