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-rw-r--r--.gitignore2
-rw-r--r--build.zig34
-rw-r--r--src/main.zig10
-rw-r--r--src/stack.zig85
4 files changed, 131 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4c82b07
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+zig-cache
+zig-out
diff --git a/build.zig b/build.zig
new file mode 100644
index 0000000..556896e
--- /dev/null
+++ b/build.zig
@@ -0,0 +1,34 @@
+const std = @import("std");
+
+pub fn build(b: *std.build.Builder) void {
+ // Standard target options allows the person running `zig build` to choose
+ // what target to build for. Here we do not override the defaults, which
+ // means any target is allowed, and the default is native. Other options
+ // for restricting supported target set are available.
+ const target = b.standardTargetOptions(.{});
+
+ // Standard release options allow the person running `zig build` to select
+ // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
+ const mode = b.standardReleaseOptions();
+
+ const exe = b.addExecutable("zigfunge98", "src/main.zig");
+ exe.setTarget(target);
+ exe.setBuildMode(mode);
+ exe.install();
+
+ const run_cmd = exe.run();
+ run_cmd.step.dependOn(b.getInstallStep());
+ if (b.args) |args| {
+ run_cmd.addArgs(args);
+ }
+
+ const run_step = b.step("run", "Run the app");
+ run_step.dependOn(&run_cmd.step);
+
+ const exe_tests = b.addTest("src/main.zig");
+ exe_tests.setTarget(target);
+ exe_tests.setBuildMode(mode);
+
+ const test_step = b.step("test", "Run unit tests");
+ test_step.dependOn(&exe_tests.step);
+}
diff --git a/src/main.zig b/src/main.zig
new file mode 100644
index 0000000..c2869f0
--- /dev/null
+++ b/src/main.zig
@@ -0,0 +1,10 @@
+const std = @import("std");
+const stack = @import("stack.zig");
+
+pub fn main() anyerror!void {
+ std.log.info("All your codebase are belong to us.", .{});
+}
+
+test "all" {
+ std.testing.refAllDecls(@This());
+}
diff --git a/src/stack.zig b/src/stack.zig
new file mode 100644
index 0000000..41f7415
--- /dev/null
+++ b/src/stack.zig
@@ -0,0 +1,85 @@
+const std = @import("std");
+const vector = std.meta.Vector(2, u64);
+
+pub const Stack = struct {
+ data: std.ArrayList(u64),
+ pub fn clear(self: *Stack) void {
+ self.data.clearRetainingCapacity();
+ }
+ pub fn deinit(self: *Stack) void {
+ self.data.deinit();
+ }
+ pub fn duplicate(self: *Stack) !void {
+ if (self.data.items.len > 0) {
+ try self.push(self.data.items[self.data.items.len - 1]);
+ }
+ }
+ pub fn init(comptime allocator: std.mem.Allocator) Stack {
+ return Stack{
+ .data = std.ArrayList(u64).init(allocator),
+ };
+ }
+ pub fn pop(self: *Stack) u64 {
+ return if (self.data.popOrNull()) |v| v else 0;
+ }
+ pub fn popVector(self: *Stack) [2]u64 {
+ const b = if (self.data.popOrNull()) |v| v else 0;
+ const a = if (self.data.popOrNull()) |v| v else 0;
+ return [2]u64{ a, b };
+ }
+ pub fn push(self: *Stack, n: u64) !void {
+ try self.data.append(n);
+ }
+ pub fn pushVector(self: *Stack, v: [2]u64) !void {
+ try self.data.appendSlice(v[0..2]);
+ }
+ pub fn swap(self: *Stack) !void {
+ const v = self.popVector();
+ try self.pushVector([2]u64{ v[1], v[0] });
+ }
+};
+
+test "clear" {
+ var s = Stack.init(std.testing.allocator);
+ defer s.deinit();
+ s.clear();
+ try std.testing.expect(s.pop() == 0);
+ try s.pushVector([2]u64{ 1, 2 });
+ s.clear();
+ try std.testing.expect(s.pop() == 0);
+}
+test "duplicate" {
+ var s = Stack.init(std.testing.allocator);
+ defer s.deinit();
+ try s.duplicate();
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 0, 0 }));
+ try s.pushVector([2]u64{ 1, 2 });
+ try s.duplicate();
+ try s.duplicate();
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 2, 2 }));
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 1, 2 }));
+}
+test "push and pop" {
+ var s = Stack.init(std.testing.allocator);
+ defer s.deinit();
+ try std.testing.expect(s.pop() == 0);
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 0, 0 }));
+ try s.push(1);
+ try std.testing.expect(s.pop() == 1);
+ try std.testing.expect(s.pop() == 0);
+ try s.pushVector([2]u64{ 2, 3 });
+ try std.testing.expect(s.pop() == 3);
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 0, 2 }));
+}
+test "swap" {
+ var s = Stack.init(std.testing.allocator);
+ defer s.deinit();
+ try s.swap();
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 0, 0 }));
+ try s.push(1);
+ try s.swap();
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 1, 0 }));
+ try s.push(2);
+ try s.swap();
+ try std.testing.expectEqual(s.popVector(), @as(vector, [2]u64{ 2, 0 }));
+}