fix compile error

tangzx · tangzx · commit 3f8853897fe0 · 2020-12-22T22:28:50.000+08:00
diff --git a/emmy_core/emmy_debugger.cpp b/emmy_core/emmy_debugger.cpp
@@ -335,7 +335,8 @@ void Debugger::GetVariable(Variable* variable, lua_State* L, int index, int dept
 
 			// __index
 			{
-				if (lua_getfield(L, -1, "__index")) {
+				lua_getfield(L, -1, "__index");
+				if (!lua_isnil(L, -1)) {
 					Variable v;
 					GetVariable(&v, L, -1, 2);
 					if (depth > 1) {

Original file line number	Diff line number	Diff line change
`@@ -335,7 +335,8 @@ void Debugger::GetVariable(Variable* variable, lua_State* L, int index, int dept`
`335`	`335`
`336`	`336`	`// __index`
`337`	`337`	`{`
`338`		`- if (lua_getfield(L, -1, "__index")) {`
	`338`	`+ lua_getfield(L, -1, "__index");`
	`339`	`+ if (!lua_isnil(L, -1)) {`
`339`	`340`	`Variable v;`
`340`	`341`	`GetVariable(&v, L, -1, 2);`
`341`	`342`	`if (depth > 1) {`