shithub: libmujs

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Add js_iscoercible function.

--- a/jsrun.c

+++ b/jsrun.c

@@ -192,6 +192,7 @@

 int js_isstring(js_State *J, int idx) { enum js_Type t = stackidx(J, idx)->type; return t == JS_TSHRSTR || t == JS_TLITSTR || t == JS_TMEMSTR; }

 int js_isprimitive(js_State *J, int idx) { return stackidx(J, idx)->type != JS_TOBJECT; }

 int js_isobject(js_State *J, int idx) { return stackidx(J, idx)->type == JS_TOBJECT; }

+int js_iscoercible(js_State *J, int idx) { js_Value *v = stackidx(J, idx); return v->type != JS_TUNDEFINED && v->type != JS_TNULL; }

 int js_iscallable(js_State *J, int idx)

 {

--- a/mujs.h

+++ b/mujs.h

@@ -160,6 +160,7 @@

 int js_isobject(js_State *J, int idx);

 int js_isarray(js_State *J, int idx);

 int js_isregexp(js_State *J, int idx);

+int js_iscoercible(js_State *J, int idx);

 int js_iscallable(js_State *J, int idx);

 int js_isuserdata(js_State *J, int idx, const char *tag);