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const std = @import("std");
const field = @import("field.zig");
const io = @import("io.zig");
const pointer = @import("pointer.zig");
pub const Interpreter = struct {
allocator: std.mem.Allocator,
field: *field.Field,
pointer: *pointer.Pointer,
pub fn deinit(self: *Interpreter) void {
self.pointer.deinit();
self.field.deinit();
self.allocator.destroy(self);
}
pub fn init(allocator: std.mem.Allocator, fileReader: anytype, timestamp: ?i64, args: []const []const u8, env: []const [*:0]const u8) !*Interpreter {
var i = try allocator.create(Interpreter);
errdefer allocator.destroy(i);
i.allocator = allocator;
i.field = try field.Field.init_from_reader(allocator, fileReader);
errdefer i.field.deinit();
i.pointer = try pointer.Pointer.init(allocator, i.field, timestamp, args, env);
errdefer i.pointer.deinit();
return i;
}
pub fn run(self: *Interpreter, ioContext: anytype) !i64 {
while (true) {
if (try self.step(ioContext)) |ret| {
return ret;
}
}
}
pub fn step(self: *Interpreter, ioContext: anytype) !?i64 {
if (try self.pointer.exec(ioContext)) |ret| {
if (ret.code) |code| {
return code;
} else {
return 0;
}
}
return null;
}
};
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