implement other builtins

1 files changed, 41 insertions, 0 deletions

diff --git a/src/Int.zig b/src/Int.zig
new file mode 100644
index 0000000..bd13e99
--- /dev/null
+++ b/src/Int.zig
@@ -0,0 +1,41 @@
+const std = @import("std");
+const c = @import("c");
+
+const zpy = @import("root.zig");
+const conversion = zpy.conversion;
+
+const Self = @This();
+
+object: zpy.Object,
+
+pub fn from(value: anytype) !Self {
+    const T = @TypeOf(value);
+    const result = switch (@typeInfo(T)) {
+        .int => |i| switch (i.signedness) {
+                .signed => c.PyLong_FromLong(value),
+                .unsigned => c.PyLong_FromUnsignedLong(value),
+        },
+        .comptime_int => c.PyLong_FromLong(value),
+        .float => c.PyLong_FromDouble(value),
+        else => @compileError("value must be numberic."),
+    };
+
+    return .{
+        .object = .fromPtr(try conversion.ptr(result)),
+    };
+}
+
+pub fn as(self: *const Self, T: type) T {
+    return switch(@typeInfo(T)) {
+        .int => |i| switch (i) {
+            .signed => c.PyLong_AsLong(self.object.ptr),
+            .unsigned => c.PyLong_AsUnsignedLong(self.object.ptr),
+        },
+        .float => c.PyLong_AsDouble(self.object.ptr),
+        else => @compileError("value must be numberic."),
+    };
+}
+
+pub fn deinit(self: *Self) void {
+    self.object.decref();
+}