main: add Result enum

This commit is contained in:
Luna 2019-09-18 12:11:08 -03:00
parent 53d41b31e7
commit 3b8943731e

View file

@ -1,9 +1,43 @@
const std = @import("std");
pub const Result = enum {
Ok,
TokenizeError,
ParseError,
CompileError,
};
pub fn run(allocator: *std.mem.Allocator, slice: []const u8) Result {
return Result.Ok;
}
pub fn main() anyerror!void {
const allocator = std.heap.direct_allocator;
var args_it = std.process.args();
_ = args_it.skip();
const filepath = try (args_it.next(allocator) orelse @panic("expected file path"));
var file = try std.fs.File.openRead(filepath);
defer file.close();
const total_bytes = try file.getEndPos();
var slice = try allocator.alloc(u8, total_bytes);
defer allocator.free(slice);
_ = try file.read(slice);
//switch (try run(allocator, slice)) {
switch (run(allocator, slice)) {
.Ok => {},
.TokenizeError,
.ParseError,
.CompileError,
=> |res| {
std.debug.warn("error: {}\n", res);
std.os.exit(1);
},
}
}