feat: add checkInt() and optInt() to 5.1 api

natecraddock · natecraddock · commit 9b40b9c162e9 · 2023-02-16T22:25:32.000-07:00
diff --git a/src/ziglua-5.1/lib.zig b/src/ziglua-5.1/lib.zig
@@ -1116,7 +1116,12 @@ pub const Lua = struct {
         c.luaL_checkany(lua.state, arg);
     }
 
-    /// Checks whether the function argument `arg` is an integer (or can be converted to an integer) and returns the integer
+    /// Checks whether the function argument `arg` is a number and returns this number cast to an i32
+    /// See https://www.lua.org/manual/5.1/manual.html#luaL_checkint
+    pub fn checkInt(lua: *Lua, arg: i32) i32 {
+        return c.luaL_checkint(lua.state, arg);
+    }
+
     pub fn checkInteger(lua: *Lua, arg: i32) Integer {
         return c.luaL_checkinteger(lua.state, arg);
     }
@@ -1280,6 +1285,13 @@ pub const Lua = struct {
 
     // luaL_opt (a macro) really isn't that useful, so not going to implement for now
 
+    /// If the function argument `arg` is a number, returns this number cast to an i32.
+    /// If the argument is absent or nil returns `default`
+    /// /// See https://www.lua.org/manual/5.1/manual.html#luaL_optint
+    pub fn optInt(lua: *Lua, arg: i32, default: i32) i32 {
+        return c.luaL_optint(lua.state, arg, default);
+    }
+
     /// If the function argument `arg` is an integer, returns the integer
     /// If the argument is absent or nil returns `default`
     pub fn optInteger(lua: *Lua, arg: i32, default: Integer) Integer {
diff --git a/src/ziglua-5.1/tests.zig b/src/ziglua-5.1/tests.zig
@@ -805,6 +805,7 @@ test "aux check functions" {
     const function = ziglua.wrap(struct {
         fn inner(l: *Lua) i32 {
             l.checkAny(1);
+            _ = l.checkInt(2);
             _ = l.checkInteger(2);
             _ = l.checkBytes(3);
             _ = l.checkNumber(4);
@@ -921,6 +922,7 @@ test "aux opt functions" {
 
     const function = ziglua.wrap(struct {
         fn inner(l: *Lua) i32 {
+            expectEqual(@as(i32, 10), l.optInt(1, 10)) catch unreachable;
             expectEqual(@as(Integer, 10), l.optInteger(1, 10)) catch unreachable;
             expectEqualStrings("zig", l.optBytes(2, "zig")) catch unreachable;
             expectEqual(@as(Number, 1.23), l.optNumber(3, 1.23)) catch unreachable;
