54 lines
1.3 KiB
Zig
54 lines
1.3 KiB
Zig
const std = @import("std");
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const Allocator = std.mem.Allocator;
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fn run(data: []u8) void {}
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fn runFile(allocator: *Allocator, path: []const u8) !void {
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var lox_file = try std.fs.File.openRead(path);
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defer lox_file.close();
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const total_bytes = try lox_file.getEndPos();
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var slice = try allocator.alloc(u8, total_bytes);
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_ = try lox_file.read(slice);
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run(slice);
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}
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fn runPrompt(allocator: *Allocator) !void {
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var stdout_file = try std.io.getStdOut();
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const stdout = &stdout_file.outStream().stream;
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while (true) {
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try stdout.print(">");
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var buffer = try std.Buffer.init(allocator, ""[0..]);
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var line = std.io.readLine(&buffer) catch |err| {
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if (err == error.EndOfStream) return;
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return err;
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};
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run(line);
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}
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}
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pub fn main() anyerror!void {
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var da = std.heap.DirectAllocator.init();
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var arena = std.heap.ArenaAllocator.init(&da.allocator);
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var allocator = &arena.allocator;
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var args_it = std.process.args();
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const jorts_arg0 = try (args_it.next(allocator) orelse {
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// if you ever reach this, tell me what is your os lmao
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unreachable;
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});
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const lox_path = try (args_it.next(allocator) orelse {
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try runPrompt(allocator);
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return;
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});
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try runFile(allocator, lox_path);
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}
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