Basic njs support.

src/nxt_tstr.c

@@ -9,12 +9,22 @@
 typedef enum {
     NXT_TSTR_CONST = 0,
     NXT_TSTR_VAR,
+#if (NXT_HAVE_NJS)
+    NXT_TSTR_JS,
+#endif
 } nxt_tstr_type_t;
 
 
 struct nxt_tstr_s {
     nxt_str_t           str;
-    nxt_var_t           *var;
+
+    union {
+        nxt_var_t       *var;
+#if (NXT_HAVE_NJS)
+        nxt_js_t        *js;
+#endif
+    } u;
+
     nxt_tstr_flags_t    flags;
     nxt_tstr_type_t     type;
 };
@@ -24,7 +34,7 @@ struct nxt_tstr_query_s {
     nxt_mp_t            *pool;
 
     nxt_tstr_state_t    *state;
-    nxt_var_cache_t     *cache;
+    nxt_tstr_cache_t    *cache;
 
     nxt_uint_t          waiting;
     nxt_uint_t          failed;   /* 1 bit */
@@ -37,8 +47,12 @@ struct nxt_tstr_query_s {
 };
 
 
+#define nxt_tstr_is_js(str)                                         \
+    nxt_strchr_start(str, '`')
+
+
 nxt_tstr_state_t *
-nxt_tstr_state_new(nxt_mp_t *mp)
+nxt_tstr_state_new(nxt_mp_t *mp, nxt_bool_t test)
 {
     nxt_tstr_state_t  *state;
 
@@ -48,12 +62,20 @@ nxt_tstr_state_new(nxt_mp_t *mp)
     }
 
     state->pool = mp;
+    state->test = test;
 
     state->var_fields = nxt_array_create(mp, 4, sizeof(nxt_var_field_t));
     if (nxt_slow_path(state->var_fields == NULL)) {
         return NULL;
     }
 
+#if (NXT_HAVE_NJS)
+    state->jcf = nxt_js_conf_new(mp);
+    if (nxt_slow_path(state->jcf == NULL)) {
+        return NULL;
+    }
+#endif
+
     return state;
 }
 
@@ -88,18 +110,38 @@ nxt_tstr_compile(nxt_tstr_state_t *state, nxt_str_t *str,
 
     tstr->flags = flags;
 
-    p = nxt_memchr(str->start, '$', str->length);
+    if (nxt_tstr_is_js(str)) {
 
-    if (p != NULL) {
-        tstr->type = NXT_TSTR_VAR;
+#if (NXT_HAVE_NJS)
 
-        tstr->var = nxt_var_compile(&tstr->str, state->pool, state->var_fields);
-        if (nxt_slow_path(tstr->var == NULL)) {
+        nxt_str_t  tpl;
+
+        tstr->type = NXT_TSTR_JS;
+
+        nxt_tstr_str(tstr, &tpl);
+
+        tstr->u.js = nxt_js_add_tpl(state->jcf, &tpl, strz);
+        if (nxt_slow_path(tstr->u.js == NULL)) {
             return NULL;
         }
 
+#endif
+
     } else {
-        tstr->type = NXT_TSTR_CONST;
+        p = memchr(str->start, '$', str->length);
+
+        if (p != NULL) {
+            tstr->type = NXT_TSTR_VAR;
+
+            tstr->u.var = nxt_var_compile(&tstr->str, state->pool,
+                                          state->var_fields);
+            if (nxt_slow_path(tstr->u.var == NULL)) {
+                return NULL;
+            }
+
+        } else {
+            tstr->type = NXT_TSTR_CONST;
+        }
     }
 
     return tstr;
@@ -109,7 +151,46 @@ nxt_tstr_compile(nxt_tstr_state_t *state, nxt_str_t *str,
 nxt_int_t
 nxt_tstr_test(nxt_tstr_state_t *state, nxt_str_t *str, u_char *error)
 {
-    return nxt_var_test(str, state->var_fields, error);
+    u_char  *p;
+
+    if (nxt_tstr_is_js(str)) {
+#if (NXT_HAVE_NJS)
+        return nxt_js_test(state->jcf, str, error);
+
+#else
+        nxt_sprintf(error, error + NXT_MAX_ERROR_STR,
+                    "Unit is built without support of njs: "
+                    "\"--njs\" ./configure option is missing.");
+        return NXT_ERROR;
+#endif
+
+    } else {
+        p = memchr(str->start, '$', str->length);
+
+        if (p != NULL) {
+            return nxt_var_test(str, state->var_fields, error);
+        }
+    }
+
+    return NXT_OK;
+}
+
+
+nxt_int_t
+nxt_tstr_state_done(nxt_tstr_state_t *state, u_char *error)
+{
+#if (NXT_HAVE_NJS)
+    if (!state->test) {
+        nxt_int_t  ret;
+
+        ret = nxt_js_compile(state->jcf);
+        if (nxt_slow_path(ret != NXT_OK)) {
+            return NXT_ERROR;
+        }
+    }
+#endif
+
+     return NXT_OK;
 }
 
 
@@ -133,7 +214,7 @@ nxt_tstr_str(nxt_tstr_t *tstr, nxt_str_t *str)
 
 nxt_int_t
 nxt_tstr_query_init(nxt_tstr_query_t **query_p, nxt_tstr_state_t *state,
-    nxt_var_cache_t *cache, void *ctx, nxt_mp_t *mp)
+    nxt_tstr_cache_t *cache, void *ctx, nxt_mp_t *mp)
 {
     nxt_tstr_query_t  *query;
 
@@ -172,11 +253,24 @@ nxt_tstr_query(nxt_task_t *task, nxt_tstr_query_t *query, nxt_tstr_t *tstr,
         return;
     }
 
-    ret = nxt_var_interpreter(task, query->cache, tstr->var, val, query->ctx,
-                              tstr->flags & NXT_TSTR_LOGGING);
-    if (nxt_slow_path(ret != NXT_OK)) {
-        query->failed = 1;
-        return;
+    if (tstr->type == NXT_TSTR_VAR) {
+        ret = nxt_var_interpreter(task, &query->cache->var, tstr->u.var, val,
+                                  query->ctx, tstr->flags & NXT_TSTR_LOGGING);
+
+        if (nxt_slow_path(ret != NXT_OK)) {
+            query->failed = 1;
+            return;
+        }
+
+    } else {
+#if (NXT_HAVE_NJS)
+        ret = nxt_js_call(task, &query->cache->js, tstr->u.js, val, query->ctx);
+
+        if (nxt_slow_path(ret != NXT_OK)) {
+            query->failed = 1;
+            return;
+        }
+#endif
     }
 
     if (tstr->flags & NXT_TSTR_STRZ) {
@@ -188,7 +282,7 @@ nxt_tstr_query(nxt_task_t *task, nxt_tstr_query_t *query, nxt_tstr_t *tstr,
 
     nxt_tstr_str(tstr, &str);
 
-    nxt_debug(task, "tstr: \"%V\" -> \"%V\"", &str, val);
+    nxt_debug(task, "tstr query: \"%V\", result: \"%V\"", &str, val);
 #endif
 }