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-rw-r--r--src/map/script.c52
1 files changed, 46 insertions, 6 deletions
diff --git a/src/map/script.c b/src/map/script.c
index 24d03bbe2..c68f7c856 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -22368,18 +22368,52 @@ static BUILDIN(getcharip)
return true;
}
+enum function_type {
+ FUNCTION_IS_NONE = 0,
+ FUNCTION_IS_COMMAND,
+ FUNCTION_IS_GLOBAL,
+ FUNCTION_IS_LOCAL,
+ FUNCTION_IS_LABEL,
+};
+
/**
- * is_function(<function name>) -> 1 if function exists, 0 otherwise
+ * is_function(<function name>)
**/
static BUILDIN(is_function)
{
- const char* str = script_getstr(st,2);
+ const char *str = script_getstr(st, 2);
+ enum function_type type = FUNCTION_IS_NONE;
- if( strdb_exists(script->userfunc_db, str) )
- script_pushint(st,1);
- else
- script_pushint(st,0);
+ // TODO: add support for exported functions (#2142)
+
+ if (strdb_exists(script->userfunc_db, str)) {
+ type = FUNCTION_IS_GLOBAL;
+ } else {
+ int n = script->search_str(str);
+
+ if (n >= 0) {
+ switch (script->str_data[n].type) {
+ case C_FUNC:
+ type = FUNCTION_IS_COMMAND;
+ break;
+ case C_USERFUNC:
+ case C_USERFUNC_POS:
+ type = FUNCTION_IS_LOCAL;
+ break;
+ case C_POS:
+ type = FUNCTION_IS_LABEL;
+ break;
+ case C_NAME:
+ if (script->str_data[n].label >= 0) {
+ // WTF... ?
+ // for some reason local functions can have type C_NAME
+ type = FUNCTION_IS_LOCAL;
+ }
+ }
+ }
+ }
+ script_pushint(st, type);
return true;
}
@@ -25676,6 +25710,12 @@ static void script_hardcoded_constants(void)
script->set_constant("QINFO_HOMUN_TYPE", QINFO_HOMUN_TYPE, false, false);
script->set_constant("QINFO_QUEST", QINFO_QUEST, false, false);
+ script->constdb_comment("function types");
+ script->set_constant("FUNCTION_IS_COMMAND", FUNCTION_IS_COMMAND, false, false);
+ script->set_constant("FUNCTION_IS_GLOBAL", FUNCTION_IS_GLOBAL, false, false);
+ script->set_constant("FUNCTION_IS_LOCAL", FUNCTION_IS_LOCAL, false, false);
+ script->set_constant("FUNCTION_IS_LABEL", FUNCTION_IS_LABEL, false, false);
+
script->constdb_comment("Renewal");
#ifdef RENEWAL
script->set_constant("RENEWAL", 1, false, false);