shithub: libmujs

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Add JS_VERSION_MAJOR/MINOR/PATCH defines to mujs.h

A macro JS_CHECKVERSION(major, minor, patch) can be used to test the
version if your code depends on API features added in a given version.

#if JS_CHECKVERSION(1, 2, 0)
    ... use new API ...
#else
    ... don't use new API ...
#endif

--- a/main.c

+++ b/main.c

@@ -356,6 +356,8 @@

 	}

 	if (interactive) {

+		printf("Welcome to MuJS %d.%d.%d.\n",

+			JS_VERSION_MAJOR, JS_VERSION_MINOR, JS_VERSION_PATCH);

 		if (isatty(0)) {

 			using_history();

 			rl_bind_key('\t', rl_insert);

--- a/mujs.h

+++ b/mujs.h

@@ -7,6 +7,13 @@

 extern "C" {

 #endif

+#define JS_VERSION_MAJOR 1

+#define JS_VERSION_MINOR 2

+#define JS_VERSION_PATCH 0

+

+#define JS_VERSION (JS_VERSION_MAJOR * 10000 + JS_VERSION_MINOR * 100 + JS_VERSION_PATCH)

+#define JS_CHECKVERSION(x,y,z) (JS_VERSION >= ((x) * 10000 + (y) * 100 + (z)))

+

 /* noreturn is a GCC extension */

 #ifdef __GNUC__

 #define JS_NORETURN __attribute__((noreturn))