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-rw-r--r--README.md2
-rw-r--r--src/lbaselib.js8
-rw-r--r--tests/lbaselib.js53
3 files changed, 62 insertions, 1 deletions
diff --git a/README.md b/README.md
index 43bc000..96ca465 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,7 @@
- [x] rawequal
- [x] rawset
- [x] rawget
+ - [x] type
- [ ] assert
- [ ] collectgarbage
- [ ] dofile
@@ -224,7 +225,6 @@
- [ ] rawlen
- [ ] select
- [ ] tonumber
- - [ ] type
- [ ] xpcall
- [ ] ...
- [ ] Debug (errors)
diff --git a/src/lbaselib.js b/src/lbaselib.js
index a89cf9d..db6e61d 100644
--- a/src/lbaselib.js
+++ b/src/lbaselib.js
@@ -81,6 +81,13 @@ const luaB_rawset = function(L) {
return 1;
};
+const luaB_type = function(L) {
+ let t = lapi.lua_type(L, 1);
+ lauxlib.luaL_argcheck(L, t != CT.LUA_TNONE, 1, "value expected");
+ lapi.lua_pushstring(L, lapi.lua_typename(L, t));
+ return 1;
+};
+
const base_funcs = {
"print": luaB_print,
"tostring": luaB_tostring,
@@ -89,6 +96,7 @@ const base_funcs = {
"rawequal": luaB_rawequal,
"rawset": luaB_rawset,
"rawget": luaB_rawget,
+ "type": luaB_type
};
const luaopen_base = function(L) {
diff --git a/tests/lbaselib.js b/tests/lbaselib.js
index b3af927..87009ca 100644
--- a/tests/lbaselib.js
+++ b/tests/lbaselib.js
@@ -186,4 +186,57 @@ test('rawset, rawget', function (t) {
"bye",
"Correct element(s) on the stack"
);
+});
+
+
+test('type', function (t) {
+ let luaCode = `
+ return type(1), type(true), type("hello"), type({}), type(nil)
+ `, L;
+
+ t.plan(6);
+
+ t.doesNotThrow(function () {
+
+ let bc = toByteCode(luaCode).dataView;
+
+ L = lauxlib.luaL_newstate();
+
+ linit.luaL_openlibs(L);
+
+ lapi.lua_load(L, bc, "test-type");
+
+ lapi.lua_call(L, 0, -1);
+
+ }, "JS Lua program ran without error");
+
+ t.strictEqual(
+ lapi.lua_tostring(L, -5),
+ "number",
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tostring(L, -4),
+ "boolean",
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tostring(L, -3),
+ "string",
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tostring(L, -2),
+ "table",
+ "Correct element(s) on the stack"
+ );
+
+ t.strictEqual(
+ lapi.lua_tostring(L, -1),
+ "nil",
+ "Correct element(s) on the stack"
+ );
}); \ No newline at end of file