Initial commit of vpp code.v1.0.0

Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17
Signed-off-by: Ed Warnicke <eaw@cisco.com>

1 files changed, 1997 insertions, 0 deletions

diff --git a/vppapigen/node.c b/vppapigen/node.c
new file mode 100644
index 00000000000..b82816e2fcf
--- /dev/null
+++ b/vppapigen/node.c
@@ -0,0 +1,1997 @@
+/* 
+ *------------------------------------------------------------------
+ * node.c - the api generator's semantic back-end
+ *
+ * Copyright (c) 2004-2009 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <stdio.h>
+#include <ctype.h>
+#include <time.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+
+#include "lex.h"
+#include "node.h"
+
+#define YYSTYPE void *
+
+FILE *ofp;
+FILE *javafp;
+FILE *jnifp;
+char *java_class;
+time_t starttime;
+char *vlib_app_name;
+char *input_filename;
+node_vft_t *the_vft[NODE_N_TYPES];
+static int indent;
+static int dont_output_version;
+int dump_tree;
+static char *fixed_name;
+static char tmpbuf [MAXNAME];
+static char *current_def_name;
+static char *current_union_name;
+static char *current_type_fmt;
+static char *current_type_cast;
+static char current_id;
+static char current_is_complex;
+static char *current_endianfun;
+static char *current_type_name;
+static int current_java_parameter_number;
+static int current_java_emitted_parameter;
+static int current_java_parameter_need_comma_space;
+void *current_java_methodfun;
+void *current_java_jnifun;
+
+void indent_me(FILE *ofp)
+{
+    int i;
+
+    for (i = 0; i < indent; i++)
+        putc(' ', ofp);
+}
+
+char *uppercase (char *s)
+{
+    char *cp;
+
+    cp = tmpbuf;
+
+    while (*s && (cp < tmpbuf + (sizeof(tmpbuf)-1))) {
+        if (*s >= 'a' && *s <= 'z')
+            *cp++ = *s++ - ('a' - 'A');
+        else
+            *cp++ = *s++;
+    }
+    *cp = 0;
+    return(tmpbuf);
+}
+
+char *lowercase (char *s)
+{
+    char *cp;
+
+    cp = tmpbuf;
+
+    while (*s && (cp < tmpbuf + (sizeof(tmpbuf)-1))) {
+        if (*s >= 'A' && *s <= 'Z')
+            *cp++ = *s++ + ('a' - 'A');
+        else
+            *cp++ = *s++;
+    }
+    *cp = 0;
+    return(tmpbuf);
+}
+
+/* 
+ * javah maps foo_bar to foo_1bar for whatever freakin' reason
+ * So, adjust java names accordingly.
+ */
+char *java_name_mangle (void * name_arg)
+{
+    char * name = name_arg;
+    static u8 * s;
+    int i;
+
+    vec_reset_length (s);
+
+    s = format (s, "%s%c", name, 0);
+
+    for (i = 0; i < vec_len(s); i++)
+        if (s[i] == '_') {
+            vec_delete (s, 1, i);
+            if (s[i] >= 'a' && s[i] <= 'z')
+                s[i] -= ('a' - 'A');
+        }
+    vec_add1 (s, 0);
+    
+    return ((char *) s);
+}
+
+void primtype_recursive_print(node_t *this, i8 *fmt)
+{
+    fputs((char *)fmt, stdout);
+
+    if (this->deeper) {
+        node_vft_t *vftp = the_vft[this->deeper->type];
+        vftp->print(this->deeper);
+    }
+}
+
+void primtype_recursive_generate(node_t *this, enum passid which, FILE *ofp,
+                                 i8 *type_name, i8 *type_fmt, i8 *type_cast)
+{
+    node_vft_t *vftp;
+
+    current_type_name = (char *)type_name;
+    current_type_cast = (char *)type_cast;
+
+    switch(which) {
+    case TYPEDEF_PASS:
+        fputs((char *)type_name, ofp);
+        fputs(" ", ofp);
+        break;
+
+    case PRINTFUN_PASS:
+        current_type_fmt = (char *)type_fmt;
+        break;
+
+    case ENDIANFUN_PASS:
+        vftp = the_vft[this->type];
+        current_endianfun = vftp->endian_converter;
+        break;
+
+    case JAVA_METHOD_PASS:
+        vftp = the_vft[this->type];
+        current_java_methodfun = vftp->java_method_function;
+        break;
+
+    default:
+        fprintf(stderr, "primtype_recursive_generate: unimp pass %d\n", which);
+        break;
+    }
+
+    if (this->deeper) {
+        vftp = the_vft[this->deeper->type];
+        vftp->generate(this->deeper, which, ofp);
+    }
+}
+
+void primtype_java_method (node_t * this, enum passid which, FILE *ofp, 
+                           char *java_type_name)
+{
+    node_t * deeper;
+
+    deeper = this->deeper;
+
+    /* We'll take care of _msg_id, client_index, and context ourselves */
+    if (current_java_parameter_number++ < 3) {
+        if (!strncmp ((char *)(deeper->data[0]), "client_index", 12))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "context", 7))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "_vl_msg_id", 10))
+            return;
+    }
+
+    if (deeper->type == NODE_SCALAR)
+        fprintf (ofp, "%s %s", java_type_name, 
+                 java_name_mangle(deeper->data[0]));
+    else
+        fprintf (ofp, "%s [] %s", java_type_name, 
+                 java_name_mangle(deeper->data[0]));
+
+    current_java_emitted_parameter = 1;
+}
+
+void primtype_java_parameter (node_t * this, enum passid which, FILE *ofp, 
+                              char *java_type_name)
+{
+    node_t * deeper;
+
+    deeper = this->deeper;
+
+    /* We'll take care of _msg_id, client_index, and context ourselves */
+    if (current_java_parameter_number++ < 3) {
+        if (!strncmp ((char *)(deeper->data[0]), "client_index", 12))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "context", 7))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "_vl_msg_id", 10))
+            return;
+    }
+    if (current_java_parameter_need_comma_space) {
+        current_java_parameter_need_comma_space = 0;
+        fputs (", ", ofp);
+    }
+
+    if (deeper->type == NODE_SCALAR)
+        fprintf (ofp, "%s %s", java_type_name, (char *)(deeper->data[0]));
+    else
+        fprintf (ofp, "%sArray %s", java_type_name, (char *)(deeper->data[0]));
+
+    current_java_emitted_parameter = 1;
+}
+
+void primtype_java_setup (node_t * this, enum passid which, FILE *ofp, 
+                          char *java_type_name, char *array_element_name)
+{
+    node_t * deeper;
+
+    deeper = this->deeper;
+
+    /* We'll take care of _msg_id, client_index, and context ourselves */
+    if (current_java_parameter_number++ < 3) {
+        if (!strncmp ((char *)(deeper->data[0]), "client_index", 12))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "context", 7))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "_vl_msg_id", 10))
+            return;
+    }
+
+    if (deeper->type == NODE_VECTOR) {
+        indent_me(ofp);
+        fprintf (ofp, 
+                 "%s * %sP = (*env)->Get%sArrayElements (env, %s, NULL);\n",
+                 java_type_name, (char *)(deeper->data[0]),
+                 array_element_name, (char *)(deeper->data[0]));
+    }
+                 
+    current_java_emitted_parameter = 1;
+}
+
+void primtype_java_code (node_t * this, enum passid which, FILE *ofp, 
+                         char *java_type_name, char * swapper)
+{
+    node_t * deeper;
+    char * s;
+
+    deeper = this->deeper;
+
+    /* We'll take care of _msg_id, client_index, and context ourselves */
+    if (current_java_parameter_number++ < 3) {
+        if (!strncmp ((char *)(deeper->data[0]), "client_index", 12))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "context", 7))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "_vl_msg_id", 10))
+            return;
+    }
+
+    indent_me(ofp);
+
+    s = (char *)(deeper->data[0]);
+
+    if (swapper == 0) {
+        if (deeper->type == NODE_VECTOR)
+            fprintf (ofp, "memcpy (mp->%s, %sP, sizeof (mp->%s));\n",
+                     s, s, s);
+        else
+            fprintf (ofp, "mp->%s = %s;\n", s, s);
+    } else {
+        if (deeper->type == NODE_VECTOR) {
+            fprintf(ofp, "{\n");
+            indent += 4;
+            indent_me(ofp);
+            fprintf(ofp, "int _i;\n");
+            indent_me(ofp);
+            fprintf(ofp, "for (_i = 0; _i < %d; _i++) {\n", 
+                    (int)(u64)(deeper->data[1]));
+            indent += 4;
+            indent_me(ofp);
+            fprintf(ofp, "mp->%s[_i] = %s(%sP[_i]);\n",
+                    s, swapper, s);
+            indent -= 4;
+            indent_me(ofp);
+            fprintf(ofp, "}\n");
+            indent -= 4;
+            indent_me(ofp);
+            fprintf(ofp, "}\n");
+        } else {
+            fprintf (ofp, "mp->%s = %s(%s);\n", s, swapper, s);
+        }
+    }
+
+    current_java_emitted_parameter = 1;
+}
+
+void primtype_java_teardown (node_t * this, enum passid which, FILE *ofp, 
+                             char * array_element_name)
+{
+    node_t * deeper;
+
+    deeper = this->deeper;
+
+    /* We'll take care of _msg_id, client_index, and context ourselves */
+    if (current_java_parameter_number++ < 3) {
+        if (!strncmp ((char *)(deeper->data[0]), "client_index", 12))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "context", 7))
+            return;
+        else if (!strncmp ((char *)(deeper->data[0]), "_vl_msg_id", 10))
+            return;
+    }
+
+    if (deeper->type == NODE_VECTOR) {
+        indent_me(ofp);
+        fprintf (ofp, 
+                 "(*env)->Release%sArrayElements (env, %s, %sP, 0);\n",
+                 array_element_name, 
+                 (char *)(deeper->data[0]), 
+                 (char *)(deeper->data[0]));
+    }
+
+    current_java_emitted_parameter = 1;
+}
+
+void node_illegal_print (node_t *this)
+{
+    fprintf(stderr, "node_illegal_print called\n");
+    exit(0);
+}
+
+void node_illegal_generate (node_t *this, enum passid notused, FILE *ofp)
+{
+    fprintf(stderr, "node_illegal_generate called\n");
+    exit(0);
+}
+
+void node_illegal_java_method (node_t *this, enum passid notused, FILE *ofp)
+{
+    fprintf(stderr, "node_illegal_java_method called\n");
+    exit(0);
+}
+
+void node_illegal_java_jni (node_t *this, enum passid notused, FILE *ofp)
+{
+    fprintf(stderr, "node_illegal_java_jni called\n");
+    exit(0);
+}
+
+node_vft_t node_illegal_vft = {
+    node_illegal_print,
+    node_illegal_generate,
+    "illegal",
+    node_illegal_java_method,
+    node_illegal_java_jni,
+};
+
+void node_u8_print (node_t *this)
+{
+    primtype_recursive_print(this, "u8 ");
+}
+
+void node_u8_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "u8", "%u", "(unsigned)");
+}
+
+void node_u8_java_method (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_method (this, which, ofp, "byte");
+}
+
+void node_u8_java_parameter (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_parameter (this, which, ofp, "jbyte");
+}
+
+void node_u8_java_setup (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_setup (this, which, ofp, "jbyte", "Byte");
+}
+
+void node_u8_java_code (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_code (this, which, ofp, "jbyte", 0 /* swapper */);
+}
+
+void node_u8_java_teardown (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_teardown (this, which, ofp, "Byte");
+}
+
+node_vft_t node_u8_vft = {
+    node_u8_print,
+    node_u8_generate,
+    "", 
+    node_u8_java_method,
+    node_u8_java_parameter,
+    node_u8_java_setup,
+    node_u8_java_code,
+    node_u8_java_teardown,
+};
+
+void node_u16_print (node_t *this)
+{
+    primtype_recursive_print(this, "u16 ");
+}
+
+void node_u16_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "u16", "%u", "(unsigned)");
+}
+
+void node_u16_java_method (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_method (this, which, ofp, "short");
+}
+
+void node_u16_java_parameter (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_parameter (this, which, ofp, "jshort");
+}
+
+void node_u16_java_setup (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_setup (this, which, ofp, "jshort", "Short");
+}
+
+void node_u16_java_code (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_code (this, which, ofp, "jshort", "clib_host_to_net_u16");
+}
+
+void node_u16_java_teardown (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_teardown (this, which, ofp, "Short");
+}
+
+node_vft_t node_u16_vft = {
+    node_u16_print,
+    node_u16_generate,
+    "clib_net_to_host_u16",
+    node_u16_java_method,
+    node_u16_java_parameter,
+    node_u16_java_setup,
+    node_u16_java_code,
+    node_u16_java_teardown,
+};
+
+void node_u32_print (node_t *this)
+{
+    primtype_recursive_print(this, "u32 ");
+}
+
+void node_u32_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "u32", "%u", "(unsigned)");
+}
+
+void node_u32_java_method (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_method (this, which, ofp, "int");
+}
+
+void node_u32_java_parameter (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_parameter (this, which, ofp, "jint");
+}
+
+void node_u32_java_setup (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_setup (this, which, ofp, "jint", "Int");
+}
+
+void node_u32_java_code (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_code (this, which, ofp, "jint", "clib_host_to_net_u32");
+}
+
+void node_u32_java_teardown (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_teardown (this, which, ofp, "Int");
+}
+
+node_vft_t node_u32_vft = {
+    node_u32_print,
+    node_u32_generate,
+    "clib_net_to_host_u32",
+    node_u32_java_method,
+    node_u32_java_parameter,
+    node_u32_java_setup,
+    node_u32_java_code,
+    node_u32_java_teardown,
+};
+
+void node_u64_print (node_t *this)
+{
+    primtype_recursive_print(this, "u64 ");
+}
+
+void node_u64_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "u64", "%llu", 
+                                "(long long)");
+}
+
+void node_u64_java_method (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_method (this, which, ofp, "long");
+}
+
+void node_u64_java_parameter (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_parameter (this, which, ofp, "jlong");
+}
+
+void node_u64_java_setup (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_setup (this, which, ofp, "jlong", "Long");
+}
+
+void node_u64_java_code (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_code (this, which, ofp, "jlong", "clib_host_to_net_u64");
+}
+
+void node_u64_java_teardown (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_teardown (this, which, ofp, "Long");
+}
+
+node_vft_t node_u64_vft = {
+    node_u64_print,
+    node_u64_generate,
+    "clib_net_to_host_u64",
+    node_u64_java_method,
+    node_u64_java_parameter,
+    node_u64_java_setup,
+    node_u64_java_code,
+    node_u64_java_teardown,
+};
+
+void node_i8_print (node_t *this)
+{
+    primtype_recursive_print(this, "i8 ");
+}
+
+void node_i8_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "i8", "%d", "(int)");
+}
+
+node_vft_t node_i8_vft = {
+    node_i8_print,
+    node_i8_generate,
+    "",
+    node_u8_java_method,
+    node_u8_java_parameter,
+    node_u8_java_setup,
+    node_u8_java_code,
+    node_u8_java_teardown,
+};
+
+void node_i16_print (node_t *this)
+{
+    primtype_recursive_print(this, "i16 ");
+}
+
+void node_i16_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "i16", "%d", "(int)");
+}
+
+node_vft_t node_i16_vft = {
+    node_i16_print,
+    node_i16_generate,
+    "clib_net_to_host_u16",
+    node_u16_java_method,
+    node_u16_java_parameter,
+    node_u16_java_setup,
+    node_u16_java_code,
+    node_u16_java_teardown,
+};
+
+void node_i32_print (node_t *this)
+{
+    primtype_recursive_print(this, "i32 ");
+}
+
+void node_i32_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "i32", "%ld", "(long)");
+}
+
+node_vft_t node_i32_vft = {
+    node_i32_print,
+    node_i32_generate,
+    "clib_net_to_host_u32",
+    node_u32_java_method,
+    node_u32_java_parameter,
+    node_u32_java_setup,
+    node_u32_java_code,
+    node_u32_java_teardown,
+};
+
+void node_i64_print (node_t *this)
+{
+    primtype_recursive_print(this, "i64 ");
+}
+
+void node_i64_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "i64", "%lld", 
+                                "(long long)");
+}
+
+node_vft_t node_i64_vft = {
+    node_i64_print,
+    node_i64_generate,
+    "clib_net_to_host_u64",
+    node_u64_java_method,
+    node_u64_java_parameter,
+    node_u64_java_setup,
+    node_u64_java_code,
+    node_u64_java_teardown,
+};
+
+void node_f64_print (node_t *this)
+{
+    primtype_recursive_print(this, "f64 ");
+}
+
+void node_f64_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "f64", "%.2f", 
+                                "(double)");
+}
+void node_f64_java_method (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_method (this, which, ofp, "double");
+}
+
+void node_f64_java_parameter (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_parameter (this, which, ofp, "jdouble");
+}
+
+void node_f64_java_setup (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_setup (this, which, ofp, "jdouble", "Double");
+}
+
+void node_f64_java_code (node_t *this, enum passid which, FILE *ofp)
+{
+    /* 
+     * Current API code doesn't try to endian-swap doubles
+     * FP formats aren't portable yadda yadda yadda
+     */
+    primtype_java_code (this, which, ofp, "jdouble", 0 /* $$$ */);
+}
+
+void node_f64_java_teardown (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_java_teardown (this, which, ofp, "Double");
+}
+
+node_vft_t node_f64_vft = {
+    node_f64_print,
+    node_f64_generate,
+    " ",                        /* FP numbers are sent in host byte order */
+    node_f64_java_method,
+    node_f64_java_parameter,
+    node_f64_java_setup,
+    node_f64_java_code,
+    node_f64_java_teardown,
+};
+
+
+void node_packed_print (node_t *this)
+{
+    primtype_recursive_print (this, "packed ");
+}
+
+void node_packed_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "PACKED", "", "");
+}
+
+node_vft_t node_packed_vft = {
+    node_packed_print,
+    node_packed_generate,
+    0,
+};
+
+void node_define_print (node_t *this)
+{
+    fprintf(stdout, "define %s {\n", CDATA0);
+    if (this->deeper) {
+        node_vft_t *vftp = the_vft[this->deeper->type];
+        fprintf(stdout, "    ");
+        vftp->print(this->deeper);
+    }
+    fprintf(stdout, "};\n");
+}
+
+void node_define_generate (node_t *this, enum passid which, FILE *fp)
+{
+    node_t *child, *save_child;
+
+    switch(which) {
+    case TYPEDEF_PASS:
+        fprintf(fp, "typedef VL_API_PACKED(struct _vl_api_%s {\n", CDATA0);
+        child = this->deeper;
+        indent += 4;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            indent_me(fp);
+            vftp->generate(child, which, fp);
+            child = child->peer;
+        }
+        indent -= 4;
+        fprintf(fp, "}) vl_api_%s_t;\n\n", CDATA0);
+        break;
+
+    case ENDIANFUN_PASS:
+    case PRINTFUN_PASS:
+        child = this->deeper;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            vftp->generate(child, which, fp);
+            child = child->peer;
+        }
+        break;
+
+    case JAVA_METHOD_PASS:
+        indent += 4;
+        indent_me(fp);
+        fprintf (fp, "public native int %s (", 
+                 java_name_mangle(CDATA0));
+        child = this->deeper;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            current_java_emitted_parameter = 0;
+            vftp->java_method_function(child, which, fp);
+            child = child->peer;
+            if (child && current_java_emitted_parameter)
+                fputs (", ", fp);
+        }
+        fprintf (fp, ");\n");
+        indent -= 4;
+        break;
+
+    case JAVA_JNI_PASS:
+        /* Generate function prototype */
+        fprintf (fp, "JNIEXPORT jint JNICALL Java_org_openvpp_vppjapi_%s_%s\n", 
+                 java_class, java_name_mangle(CDATA0));
+
+        fprintf (fp, "(JNIEnv * env, jobject obj");
+        current_java_parameter_need_comma_space = 1;
+        child = this->deeper;
+        save_child = child;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            current_java_emitted_parameter = 0;
+            vftp->java_jni_parameter(child, which, fp);
+            child = child->peer;
+            if (child && current_java_emitted_parameter)
+                fputs (", ", fp);
+        }
+        fprintf (fp, ")\n{\n");
+        indent += 4;
+
+        /* define the api message pointer */
+        indent_me(fp);
+        fprintf (fp, "vppjni_main_t *jm = &vppjni_main;\n");
+        indent_me(fp);
+        fprintf (fp, "vl_api_%s_t * mp;\n", current_def_name);
+        indent_me(fp);
+        fprintf (fp, "u32 my_context_id;\n");
+        indent_me(fp);
+        fprintf (fp, "int rv;\n");
+
+        indent_me(fp);
+        fprintf (fp, "rv = vppjni_sanity_check (jm);\n");
+        indent_me(fp);
+        fprintf (fp, "if (rv) return rv;\n");
+
+        indent_me(fp);
+        fprintf (fp, "my_context_id = vppjni_get_context_id (jm);\n");
+
+        /* Generate array setups, if any */
+        child = save_child;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            current_java_parameter_number = 0;
+            current_java_emitted_parameter = 0;
+            vftp->java_jni_setup(child, which, fp);
+            child = child->peer;
+        }
+
+        /* Setup the API message */
+        indent_me(fp);
+        fprintf (fp, "M(%s, %s);\n", uppercase(current_def_name),
+                 current_def_name);
+        indent_me(fp);
+        fprintf (fp, "mp->context = clib_host_to_net_u32 (my_context_id);\n");
+        /* $$$ Set up context hash table or some such... */
+
+        /* Generate code */
+        child = save_child;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            current_java_parameter_number = 0;
+            current_java_emitted_parameter = 0;
+            vftp->java_jni_code(child, which, fp);
+            child = child->peer;
+        }
+
+        /* Generate array teardowns */
+        child = save_child;
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            current_java_parameter_number = 0;
+            current_java_emitted_parameter = 0;
+            vftp->java_jni_teardown(child, which, fp);
+            child = child->peer;
+        }
+
+        /* Send the message, return context_id */
+        indent_me (fp);
+        fprintf (fp, "S;\n");
+        indent_me (fp);
+        fprintf (fp, "return my_context_id;\n");
+        
+        indent -= 4;
+        fprintf (fp, "}\n\n");
+        break;
+
+    default:
+        fprintf(stderr, "node_define_generate: unimp pass %d\n", which);
+        break;
+    }
+}
+
+node_vft_t node_define_vft = {
+    node_define_print,
+    node_define_generate,
+    0,
+};
+
+void node_union_print (node_t *this)
+{
+    primtype_recursive_print (this, "union ");
+}
+
+void node_union_generate (node_t *this, enum passid which, FILE *fp)
+{
+    node_t *child;
+    node_t *uelem;
+    int case_id=1;
+
+    switch(which) {
+    case TYPEDEF_PASS:
+        fprintf(fp, "u8 _%s_which;\n", CDATA0);
+        indent_me(fp);
+        fprintf(fp, "union _%s {\n", CDATA0);
+        child = this->deeper;
+        indent += 4;
+    
+        while (child) {
+            node_vft_t *vftp = the_vft[child->type];
+            indent_me(fp);
+            vftp->generate(child, which, fp);
+            child = child->peer;
+        }
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "} %s;\n", CDATA0);
+        break;
+
+    case PRINTFUN_PASS:
+    case ENDIANFUN_PASS:
+        uelem = this->deeper;
+        
+        indent_me(fp);
+        fprintf(fp, "switch(a->_%s_which) {\n",
+                CDATA0);
+        indent += 4;
+        current_union_name = CDATA0;
+
+        /* Walk the list of objects in this union */
+        while (uelem) {
+            node_vft_t *vftp = the_vft[uelem->type];
+            indent -= 4;
+            indent_me(fp);
+            fprintf(fp, "case %d:\n", case_id);
+            case_id++;
+            indent += 4;
+            /* Drill down on each element */
+            vftp->generate(uelem, which, fp);
+            indent_me(fp);
+            fprintf(fp, "break;\n");
+            uelem = uelem->peer;
+        }
+        current_union_name = 0;
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "default:\n");
+        indent += 4;
+        indent_me(fp);                 
+        if (which == PRINTFUN_PASS) {
+            fprintf(fp, 
+                    "vl_print(handle, \"WARNING: _%s_which not set.\\n\");\n",
+                    CDATA0);
+        }
+        indent_me(fp);
+        fprintf(fp, "break;\n");
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "}\n");
+        break;
+
+    default:
+        fprintf(stderr, "node_union_generate: unimp pass %d\n", which);
+        break;
+    }
+}
+
+
+node_vft_t node_union_vft = {
+    node_union_print,
+    node_union_generate,
+    0,
+};
+
+void node_scalar_print (node_t *this)
+{
+    fprintf(stdout, "%s", CDATA0);
+    primtype_recursive_print (this, "");
+}
+
+void node_scalar_generate (node_t *this, enum passid which, FILE *fp)
+{
+    char *union_prefix = "";
+
+    if (current_union_name) {
+        sprintf(tmpbuf, "%s.", current_union_name);
+        union_prefix = tmpbuf;
+    }
+
+    switch(which) {
+    case TYPEDEF_PASS:
+        fprintf(fp, "%s;\n", CDATA0);
+        break;
+
+    case PRINTFUN_PASS:
+        indent_me(fp);
+        if (current_is_complex) {
+            fprintf(fp, "vl_api_%s_t_print(a->%s%s, handle);\n", 
+                    current_type_name, union_prefix, CDATA0);
+        } else {
+            if (!strcmp(current_type_fmt, "uword")) {
+                fprintf(fp, 
+           "vl_print(handle, \"%s%s: \" _uword_fmt \"\\n\", %s a->%s%s);\n", 
+                        union_prefix, CDATA0, "(_uword_cast)",
+                        union_prefix, CDATA0);
+            } else {
+                fprintf(fp, 
+                        "vl_print(handle, \"%s%s: %s\\n\", %s a->%s%s);\n", 
+                        union_prefix, CDATA0, 
+                        current_type_fmt, current_type_cast,
+                        union_prefix, CDATA0);
+            }
+        }
+        break;
+
+    case ENDIANFUN_PASS:
+        indent_me(fp);
+        if (current_is_complex) {
+            fprintf(fp, "vl_api%s_t_endian(a->%s%s);\n", 
+                    current_type_name, union_prefix, CDATA0);
+        } else {
+            /* Current_endianfun == NULL means e.g. it's a u8... */
+            if (current_endianfun) {
+                fprintf(fp, "a->%s%s = %s(a->%s%s);\n", union_prefix,
+                        CDATA0, current_endianfun, 
+                        union_prefix, CDATA0);
+            } else {
+                fprintf(fp, "/* a->%s%s = a->%s%s */\n",
+                        union_prefix, CDATA0, 
+                        union_prefix, CDATA0);
+            }
+        }
+        break;
+
+    default:
+        fprintf(stderr, "node_scalar_generate: unimp pass %d\n", which);
+    }
+    if (this->deeper) {
+        fprintf(stderr, "broken recursion in node_scalar_generate\n");
+    }
+}
+
+
+node_vft_t node_scalar_vft = {
+    node_scalar_print,
+    node_scalar_generate,
+    0,
+};
+
+void node_vector_print (node_t *this)
+{
+    primtype_recursive_print (this, "vector ");
+}
+
+void node_vector_generate (node_t *this, enum passid which, FILE *fp)
+{
+    char *union_prefix = "";
+
+    if (current_union_name) {
+        sprintf(tmpbuf, "%s.", current_union_name);
+        union_prefix = tmpbuf;
+    }
+
+    switch(which) {
+    case TYPEDEF_PASS:
+        fprintf(fp, "%s[%d];\n", CDATA0, IDATA1);
+        break;
+
+    case PRINTFUN_PASS:
+        /* Don't bother about "u8 data [0];" et al. */
+        if (IDATA1 == 0)
+            break;
+
+        indent_me(fp);
+        fprintf(fp, "{\n");
+        indent += 4;
+        indent_me(fp);
+        fprintf(fp, "int _i;\n");
+        indent_me(fp);
+        fprintf(fp, "for (_i = 0; _i < %d; _i++) {\n", 
+                IDATA1);
+        indent += 4;
+        indent_me(fp);
+        if (current_is_complex) {
+            fprintf(fp, "vl_print(handle, \"%s%s[%%d]: ",
+                    union_prefix, CDATA0);
+            fprintf(fp, 
+                    "vl_print_%s (handle, a->%s%s[_i]);\n", 
+                    CDATA0, union_prefix, CDATA0);
+        } else {
+            fprintf(fp, 
+         "vl_print(handle, \"%s%s[%%d]: %s\\n\", _i, a->%s%s[_i]);\n",
+                    union_prefix, CDATA0, 
+                    current_type_fmt, 
+                    union_prefix, CDATA0);
+        }
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "}\n");
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "}\n");
+        break;
+
+    case ENDIANFUN_PASS:
+        /* Don't bother about "u8 data [0];" et al. */
+        if (IDATA1 == 0)
+            break;
+
+        indent_me(fp);
+        fprintf(fp, "{\n");
+        indent += 4;
+        indent_me(fp);
+        fprintf(fp, "int _i;\n");
+        indent_me(fp);
+        fprintf(fp, "for (_i = 0; _i < %d; _i++) {\n", 
+                IDATA1);
+        indent += 4;
+        indent_me(fp);
+        if (current_is_complex) {
+            fprintf(fp, 
+                    "vl_api_%s_t_endian (a->%s%s[_i]);\n", 
+                    current_type_name, union_prefix, CDATA0);
+        } else {
+            fprintf(fp, 
+                    "a->%s%s[_i] = %s(a->%s%s[_i]);\n", 
+                    union_prefix, CDATA0, 
+                    current_endianfun, 
+                    union_prefix, CDATA0);
+        }
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "}\n");
+        indent -= 4;
+        indent_me(fp);
+        fprintf(fp, "}\n");
+        break;
+
+    default:
+        fprintf(stderr, "node_vector_generate: unimp pass %d\n", which);
+    }
+    if (this->deeper) {
+        fprintf(stderr, "broken recursion in node_vector_generate\n");
+    }
+}
+
+node_vft_t node_vector_vft = {
+    node_vector_print,
+    node_vector_generate,
+    0,
+};
+
+void node_complex_print (node_t *this)
+{
+    primtype_recursive_print (this, "complex ");
+}
+
+void node_complex_generate (node_t *this, enum passid which, FILE *fp)
+{
+    node_t *deeper;
+    node_vft_t *vftp;
+    char *member_name = "broken!";
+    char *union_prefix = "";
+
+    if (current_union_name) {
+        sprintf(tmpbuf, "%s.", current_union_name);
+        union_prefix = tmpbuf;
+    }
+
+    current_is_complex++;
+    
+    switch(which) {
+    case TYPEDEF_PASS:
+        fprintf(fp, "%s ", CDATA0);
+        deeper = this->deeper;
+        if (deeper) {
+            vftp = the_vft[deeper->type];
+            vftp->generate(deeper, which, fp);
+        }
+        break;
+
+    case PRINTFUN_PASS:
+        deeper = this->deeper;
+        while (deeper) {
+            if (deeper->type == NODE_SCALAR ||
+                deeper->type == NODE_VECTOR) {
+                member_name = deeper->data[0];
+                break;
+            }
+            deeper = deeper->deeper;
+        }
+        indent_me(fp);
+        fprintf(fp, "vl_print(handle, \"%s%s ----- \\n\");\n", 
+                union_prefix, member_name);
+        indent_me(fp);
+        fprintf(fp, "%s_print(&a->%s%s, handle);\n", 
+                CDATA0, union_prefix, member_name);
+        indent_me(fp);
+        fprintf(fp, "vl_print(handle, \"%s%s ----- END \\n\");\n", 
+                union_prefix, member_name);
+        break;
+
+    case ENDIANFUN_PASS:
+        deeper = this->deeper;
+        while (deeper) {
+            if (deeper->type == NODE_SCALAR ||
+                deeper->type == NODE_VECTOR) {
+                member_name = deeper->data[0];
+                break;
+            }
+            deeper = deeper->deeper;
+        }
+
+        indent_me(fp);
+        fprintf(fp, "%s_endian(&a->%s%s);\n", 
+                CDATA0, union_prefix, member_name);
+        break;
+
+    default:
+        fprintf(stderr, "node_complex_generate unimp pass %d...\n", which);
+        break;
+    }
+    current_is_complex--;
+}
+
+node_vft_t node_complex_vft = {
+    node_complex_print,
+    node_complex_generate,
+    0,
+};
+
+void node_noversion_print (node_t *this)
+{
+    primtype_recursive_print (this, "noversion ");
+}
+
+void node_noversion_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    fprintf(stderr, "node_noversion_generate called...\n");
+}
+
+node_vft_t node_noversion_vft = {
+    node_noversion_print,
+    node_noversion_generate,
+    0,
+};
+
+void node_uword_print (node_t *this)
+{
+    primtype_recursive_print(this, "uword ");
+}
+
+void node_uword_generate (node_t *this, enum passid which, FILE *ofp)
+{
+    primtype_recursive_generate(this, which, ofp, "uword", "uword", "");
+}
+
+node_vft_t node_uword_vft = {
+    node_uword_print,
+    node_uword_generate,
+    "clib_net_to_host_uword",
+};
+
+node_vft_t *the_vft[NODE_N_TYPES] = {
+    &node_illegal_vft,
+    &node_u8_vft,
+    &node_u16_vft,
+    &node_u32_vft,
+    &node_u64_vft,
+    &node_i8_vft,
+    &node_i16_vft,
+    &node_i32_vft,
+    &node_i64_vft,
+    &node_f64_vft,
+    &node_packed_vft,
+    &node_define_vft,
+    &node_union_vft,
+    &node_scalar_vft,
+    &node_vector_vft,
+    &node_complex_vft,
+    &node_noversion_vft,
+    &node_uword_vft,
+};
+
+void *make_node (enum node_subclass type)
+{
+    node_t *rv;
+
+    rv = (node_t *) malloc (sizeof (*rv));
+    if (rv == 0) {
+        fprintf (stderr, "fatal: make_node out of memory\n");
+        exit (1);
+    }
+    bzero (rv, sizeof (*rv));
+    rv->type = type;
+    return ((void *) rv);
+}
+
+YYSTYPE deeper (YYSTYPE arg1, YYSTYPE arg2)
+{
+    node_t *np1 = (node_t *) arg1;
+    node_t *np2 = (node_t *) arg2;
+    node_t *hook_point;
+    
+    hook_point = np1;
+
+    while (hook_point->deeper)
+        hook_point = hook_point->deeper;
+
+    hook_point->deeper = np2;
+    return (arg1);
+}
+
+YYSTYPE addpeer (YYSTYPE arg1, YYSTYPE arg2)
+{
+    node_t *np1 = (node_t *) arg1;
+    node_t *np2 = (node_t *) arg2;
+    node_t *hook_point;
+    
+    hook_point = np1;
+
+    while (hook_point->peer)
+        hook_point = hook_point->peer;
+
+    hook_point->peer = np2;
+    return (arg1);
+}
+
+/*
+ * add_slist (stmt_list, stmt)
+ */
+
+YYSTYPE add_slist (YYSTYPE a1, YYSTYPE a2)
+{
+    if (a1 && a2)
+        return (addpeer(a1, a2));
+    else if(a1)
+        return(a1);
+    else 
+        return(a2);
+}
+
+/*
+ * add_define (char *name, defn_list);
+ */
+YYSTYPE add_define (YYSTYPE a1, YYSTYPE a2)
+{
+    node_t *np;
+
+    np = make_node(NODE_DEFINE);
+    np->data[0] = a1;
+    deeper((YYSTYPE)np, a2);
+    return ((YYSTYPE) np);
+}
+
+/*
+ * add_defbody (defn_list, new_defn)
+ */
+YYSTYPE add_defbody (YYSTYPE a1, YYSTYPE a2)
+{
+    return (addpeer(a1, a2));
+}
+
+/*
+ * add_primtype ([packed], primitive type, instance)
+ */ 
+
+YYSTYPE add_primtype (YYSTYPE a1, YYSTYPE a2, YYSTYPE a3)
+{
+    node_t *np1;
+
+    np1 = (node_t *)a1;
+    
+    /* Hook instance to type node */
+    deeper (a1, a2);
+    if (a3) {
+        deeper(a1, a3);
+    }
+    return (a1);
+}
+
+/*
+ * add_complex(char *type_name, instance)
+ */
+
+YYSTYPE add_complex (YYSTYPE a1, YYSTYPE a2)
+{
+    node_t *np;
+
+    np = make_node(NODE_COMPLEX);
+    np->data[0] = (void *) a1;
+
+    deeper((YYSTYPE)np, a2);
+    return ((YYSTYPE) np);
+}
+
+/*
+ * add_union(char *type_name, definition)
+ */
+
+YYSTYPE add_union (YYSTYPE a1, YYSTYPE a2)
+{
+    node_t *np;
+
+    np = make_node(NODE_UNION);
+    np->data[0] = (void *) a1;
+
+    deeper((YYSTYPE)np, a2);
+    return ((YYSTYPE) np);
+}
+
+
+/*
+ * add_vector_vbl (node_t *variable, YYSTYPE size)
+ */
+
+YYSTYPE add_vector_vbl (YYSTYPE a1, YYSTYPE a2)
+{
+    node_t *np;
+
+    np = make_node(NODE_VECTOR);
+    np->data[0] = (void *) a1;
+    np->data[1] = (void *) a2;
+    return ((YYSTYPE) np);
+}
+
+/*
+ * add_scalar_vbl (char *name)
+ */
+YYSTYPE add_scalar_vbl (YYSTYPE a1)
+{
+    node_t *np;
+
+    np = make_node(NODE_SCALAR);
+    np->data[0] = (void *) a1;
+    return ((YYSTYPE) np);
+}
+
+/*
+ * set_flags (int flags, msg(=0?))
+ */ 
+YYSTYPE set_flags(YYSTYPE a1, YYSTYPE a2)
+{
+    node_t *np;
+    int flags;
+
+    np = (node_t *)a2;
+    if (!np)
+        return(0);
+
+    flags = (int)(uword) a1;
+
+    np->flags |= flags;
+    return (a2);
+}
+/*
+ * suppress_version
+ */
+YYSTYPE suppress_version (void)
+{
+    dont_output_version = 1;
+    return (0);
+}
+
+void dump(node_t *np)
+{
+    node_vft_t *vftp;
+
+    while (np) {
+        vftp = the_vft[np->type];
+        vftp->print(np);
+        np = np->peer;
+    }
+}
+
+char *fixup_input_filename(void)
+{
+    char *cp;
+
+    cp = (char *)input_filename;
+
+    while (*cp)
+        cp++;
+
+    cp--;
+
+    while (cp > input_filename && *cp != '/')
+        cp--;
+    if (*cp == '/')
+        cp++;
+
+    strcpy (tmpbuf, cp);
+
+    cp = tmpbuf;
+
+    while (*cp)
+        cp++;
+
+    cp--;
+
+    while (cp > tmpbuf && *cp != '.')
+        cp--;
+    
+    if (*cp == '.')
+        *cp = 0;
+
+    return (sxerox(tmpbuf));
+}
+
+void generate_top_boilerplate(FILE *fp)
+
+{
+    char *datestring = ctime(&starttime);
+    fixed_name = fixup_input_filename();
+
+    datestring[24] = 0;
+
+    fprintf (fp, "/*\n");
+    fprintf (fp, " * VLIB API definitions %s\n", datestring);
+    fprintf (fp, " * Input file: %s\n", input_filename);
+    fprintf (fp, " * Automatically generated: please edit the input file ");
+    fprintf (fp, "NOT this file!\n");
+
+    /* Moron Acme trigger workaround */
+    fprintf (fp, " * %syright (c) %s by Cisco Systems, Inc.\n", "Cop", 
+             &datestring[20]);
+    fprintf (fp, " */\n\n");
+    fprintf (fp, "#if defined(vl_msg_id)||defined(vl_union_id)||");
+    fprintf (fp, "defined(vl_printfun) \\\n ||defined(vl_endianfun)||");
+    fprintf (fp, " defined(vl_api_version)||defined(vl_typedefs) \\\n");
+    fprintf (fp, " ||defined(vl_msg_name)\n");
+    fprintf (fp, "/* ok, something was selected */\n");
+    fprintf (fp, "#else\n");
+    fprintf (fp, "#warning no content included from %s\n", input_filename);
+    fprintf (fp, "#endif\n\n");
+    fprintf (fp, "#define VL_API_PACKED(x) x __attribute__ ((packed))\n\n");
+}
+
+void generate_bottom_boilerplate(FILE *fp)
+
+{
+    fprintf (fp, "\n#ifdef vl_api_version\n");
+
+    if (dont_output_version) {
+        fprintf (fp, "/* WARNING: API FILE VERSION CHECK DISABLED */\n");
+        input_crc = 0;
+    }
+
+    fprintf (fp, "vl_api_version(%s, 0x%08x)\n\n", 
+             fixed_name, (unsigned int)input_crc);
+    fprintf (fp, "#endif\n\n");
+}
+
+void generate_msg_ids(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+
+    fprintf (fp, "\n/****** Message ID / handler enum ******/\n\n");
+    fprintf (fp, "#ifdef vl_msg_id\n");
+
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & NODE_FLAG_TYPEONLY)) {
+                fprintf (fp, "vl_msg_id(VL_API_%s, vl_api_%s_t_handler)\n", 
+                         uppercase(np->data[0]), (i8 *)np->data[0]);
+            } else {
+                fprintf (fp, "/* typeonly: %s */\n", (i8 *)np->data[0]);
+            }
+        }
+        np = np->peer;
+    }
+    fprintf (fp, "#endif\n");
+
+}
+
+void generate_msg_names(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+
+    fprintf (fp, "\n/****** Message names ******/\n\n");
+
+    fprintf (fp, "#ifdef vl_msg_name\n");
+
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & NODE_FLAG_TYPEONLY)) {
+                fprintf (fp, "vl_msg_name(vl_api_%s_t, %d)\n",
+                         (i8 *) np->data[0], 
+                         (np->flags & NODE_FLAG_DONT_TRACE ? 0 : 1));
+            } else {
+                fprintf (fp, "/* typeonly: %s */\n", (i8 *)np->data[0]);
+            }
+        }
+        np = np->peer;
+    }
+    fprintf (fp, "#endif\n\n");
+}
+
+void generate_typedefs(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    fprintf(fp, "\n/****** Typedefs *****/\n\n");
+    fprintf(fp, "#ifdef vl_typedefs\n\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            /* Yeah, this is pedantic */
+            vftp = the_vft[np->type];
+            vftp->generate(np, TYPEDEF_PASS, fp);
+        }
+        np = np->peer;
+    }
+    fprintf(fp, "#endif /* vl_typedefs */\n\n");
+}
+
+void union_walk_one_defn(node_t *np, FILE *fp)
+{
+    node_t *vblp;
+    node_t *uelem;
+
+    /* Walk the list of typed objects in this msg def */
+    while (np) {
+        if (np->type == NODE_UNION) {
+            current_union_name = np->data[0];
+            uelem = np->deeper;
+
+            /* Walk the list of objects in this union */
+            while (uelem) {
+                vblp = uelem->deeper;
+                /* Drill down on each element, find the variable name */
+                while(vblp) {
+                    if (vblp->type == NODE_SCALAR ||
+                        vblp->type == NODE_VECTOR ||
+                        vblp->type == NODE_COMPLEX) {
+                        fprintf(ofp, "#define %s_", 
+                                uppercase(current_def_name));
+                        fprintf(ofp, "%s_", uppercase(current_union_name));
+                        fprintf(ofp, "%s %d\n",uppercase(vblp->data[0]),
+                                current_id);
+                        current_id++;
+                        break;
+                    }
+                    vblp = vblp->deeper;
+                }
+                uelem = uelem->peer;
+            }
+            current_union_name = 0;
+            current_id = 1;
+        }
+        np = np->peer;
+    }
+}
+
+void generate_uniondefs(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+
+    fprintf(fp, "/****** Discriminated Union Definitions *****/\n\n");
+    fprintf(fp, "#ifdef vl_union_id\n\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            current_id = 1;
+            current_def_name = np->data[0];
+            union_walk_one_defn(np->deeper, fp);
+        }
+        np = np->peer;
+    }
+    fprintf(fp, "\n#endif /* vl_union_id */\n\n");
+}
+
+void generate_printfun(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    fprintf(fp, "/****** Print functions *****/\n\n");
+    fprintf(fp, "#ifdef vl_printfun\n\n");
+
+    fprintf(fp, "#ifdef LP64\n");
+    fputs ("#define _uword_fmt \"%lld\"\n", fp);
+    fputs ("#define _uword_cast (long long)\n", fp);
+    fprintf(fp, "#else\n");
+    fputs("#define _uword_fmt \"%ld\"\n", fp);
+    fputs ("#define _uword_cast long\n", fp);
+    fprintf(fp, "#endif\n\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & NODE_FLAG_MANUAL_PRINT)) {
+                fprintf(fp, 
+       "static inline void *vl_api_%s_t_print (vl_api_%s_t *a,",
+                        (i8 *)np->data[0], (i8 *) np->data[0]);
+                fprintf(fp, "void *handle)\n{\n");
+                /* output the message name */
+                fprintf(fp, 
+                    "    vl_print(handle, \"vl_api_%s_t:\\n\");\n",
+                        (i8 *)np->data[0]);
+
+                indent += 4;
+                /* Yeah, this is pedantic */
+                vftp = the_vft[np->type];
+                vftp->generate(np, PRINTFUN_PASS, fp);
+                fprintf(fp, "    return handle;\n");
+                fprintf(fp, "}\n\n");
+                indent -= 4;
+            } else {
+                fprintf(fp, "/***** manual: vl_api_%s_t_print  *****/\n\n",
+                        (i8 *) np->data[0]);
+            }
+        }
+        np = np->peer;
+    }
+    fprintf(fp, "#endif /* vl_printfun */\n\n");
+}
+
+void generate_endianfun(YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    fprintf(fp, "\n/****** Endian swap functions *****/\n\n");
+    fprintf(fp, "#ifdef vl_endianfun\n\n");
+    fprintf(fp, "#undef clib_net_to_host_uword\n");
+    fprintf(fp, "#ifdef LP64\n");
+    fprintf(fp, "#define clib_net_to_host_uword clib_net_to_host_u64\n");
+    fprintf(fp, "#else\n");
+    fprintf(fp, "#define clib_net_to_host_uword clib_net_to_host_u32\n");
+    fprintf(fp, "#endif\n\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & NODE_FLAG_MANUAL_ENDIAN)) {
+                fprintf(fp, 
+               "static inline void vl_api_%s_t_endian (vl_api_%s_t *a)\n{\n",
+                        (i8 *) np->data[0], (i8 *) np->data[0]);
+                indent += 4;
+                /* Yeah, this is pedantic */
+                vftp = the_vft[np->type];
+                vftp->generate(np, ENDIANFUN_PASS, fp);
+                fprintf(fp, "}\n\n");
+                indent -= 4;
+            } else {
+                fprintf(fp, "/***** manual: vl_api_%s_t_endian  *****/\n\n",
+                        (i8 *) np->data[0]);
+            }
+        }
+        np = np->peer;
+    }
+    fprintf(fp, "#endif /* vl_endianfun */\n\n");
+}
+
+void add_msg_ids(YYSTYPE a1)
+{
+    node_t *np = (node_t *)a1;
+    node_t *new_u16;
+    node_t *new_vbl;
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & NODE_FLAG_TYPEONLY)) {
+                /* add the parse tree for "u16 _vl_msg_id" */
+                new_u16 = make_node(NODE_U16);
+                new_u16->peer = np->deeper;
+                np->deeper = new_u16;
+                new_vbl = make_node(NODE_SCALAR);
+                new_vbl->data[0] = sxerox("_vl_msg_id");
+                new_u16->deeper = new_vbl;
+            }
+        }
+        np = np->peer;
+    }
+}
+
+void generate_java_top_boilerplate(FILE *fp)
+
+{
+    char *datestring = ctime(&starttime);
+    fixed_name = fixup_input_filename();
+
+    datestring[24] = 0;
+
+    fprintf (fp, "/*\n");
+    fprintf (fp, " * VLIB API java binding %s\n", datestring);
+    fprintf (fp, " * Input file: %s\n", input_filename);
+    fprintf (fp, " * Automatically generated: please edit the input file ");
+    fprintf (fp, "NOT this file!\n");
+    fprintf (fp, " */\n\n");
+
+    fprintf (fp, "package org.openvpp.vppjapi;\n\n");
+    fprintf (fp, "import org.openvpp.vppjapi.vppConn;\n\n");
+    fprintf (fp, "public class %s extends vppConn {\n\n",
+             java_class);
+}
+
+void generate_java_bottom_boilerplate(FILE *fp)
+{
+    fprintf (fp, "}\n");
+}
+
+
+void generate_java_class_definition (YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    fprintf(fp, "/****** API methods *****/\n\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & (NODE_FLAG_MANUAL_JAVA | NODE_FLAG_TYPEONLY))) {
+                /* Suppress messages named "xyz_reply" */
+                char * cp = (char *) np->data[0];
+                while (*cp)
+                    cp++;
+                cp -= 6;
+                if (strncmp (cp, "_reply", 6)) {
+                    current_java_parameter_number = 0;
+                    vftp = the_vft[np->type];
+                    vftp->generate(np, JAVA_METHOD_PASS, fp);
+                }
+            }
+        }
+        np = np->peer;
+    }
+
+    fprintf(fp, "\n/****** end of API methods *****/\n");
+}
+
+void generate_jni_reply_handler_list (YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    fprintf (fp, "#define foreach_api_reply_handler \\\n");
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & (NODE_FLAG_MANUAL_JAVA | NODE_FLAG_TYPEONLY))) {
+                /* emit messages named "xyz_reply" */
+                char * cp = (char *) np->data[0];
+                while (*cp)
+                    cp++;
+                cp -= 6;
+                if (!strncmp (cp, "_reply", 6)) {
+                    fprintf (fp, "_(%s, %s) \\\n", 
+                             uppercase(np->data[0]), (char *)(np->data[0]));
+                }
+            }
+        }
+        np = np->peer;
+    }
+
+    fprintf (fp, "\n\n");
+}
+
+char * m_macro_boilerplate =     
+"#define M(T,t)                                      \\\n"
+"do {                                                \\\n"
+"    api_result_ready = 0;                           \\\n"
+"    mp = vl_msg_api_alloc(sizeof(*mp));             \\\n"
+"    memset (mp, 0, sizeof (*mp));                   \\\n"
+"    mp->_vl_msg_id = ntohs (VL_API_##T);            \\\n"
+"    mp->client_index = api_main.my_client_index;    \\\n"
+"} while(0);\n\n"
+"#define M2(T,t,n)                                   \\\n"
+"do {                                                \\\n"
+"    api_result_ready = 0;                           \\\n"
+"    mp = vl_msg_api_alloc(sizeof(*mp)+(n));         \\\n"
+"    memset (mp, 0, sizeof (*mp));                   \\\n"
+"    mp->_vl_msg_id = ntohs (VL_API_##T);            \\\n"
+"    mp->client_index = api_main.my_client_index;    \\\n"
+"} while(0);\n\n";
+
+char * s_macro_boilerplate = 
+"#define S (vl_msg_api_send_shmem (api_main.shmem_hdr->vl_input_queue, \\\n"
+"(u8 *)&mp));\n\n";
+
+char * w_macro_boilerplate = 
+"#define W                                               \\\n"
+"do {                                                    \\\n"
+"    timeout = clib_time_now (&clib_time) + 1.0;         \\\n"
+"                                                        \\\n"
+"    while (clib_time_now (&clib_time) < timeout) {      \\\n"
+"        if (api_result_ready == 1) {                    \\\n"
+"            return ((jint) api_result);                 \\\n"    
+"        }                                               \\\n"
+"    }                                                   \\\n"
+"    return -99;                                         \\\n"   
+"} while(0);\n\n";
+
+void generate_jni_top_boilerplate(FILE *fp)
+
+{
+    char *datestring = ctime(&starttime);
+    fixed_name = fixup_input_filename();
+
+    datestring[24] = 0;
+
+    fprintf (fp, "/*\n");
+    fprintf (fp, " * VLIB Java native code %s\n", datestring);
+    fprintf (fp, " * Input file: %s\n", input_filename);
+    fprintf (fp, " * Automatically generated: please edit the input file ");
+    fprintf (fp, "NOT this file!\n");
+    fprintf (fp, " */\n\n");
+
+    fprintf (fp, "#include <japi/vppjni.h>\n");
+
+    fprintf (fp, 
+             "#define vl_api_version(n,v) static u32 %s_api_version %s = v;\n",
+	     vlib_app_name, "__attribute__((unused))");
+    fprintf (fp, "#include <api/%s.api.h>\n", vlib_app_name);
+    fprintf (fp, "#undef vl_api_version\n\n");
+
+    fprintf (fp, "#include <japi/org_openvpp_vppjapi_vppConn.h>\n");
+    fprintf (fp, "#include <japi/org_openvpp_vppjapi_%s.h>\n\n", java_class);
+
+    fprintf (fp, "#include <api/%s_msg_enum.h>\n", vlib_app_name);
+    fprintf (fp, "#define vl_typedefs /* define message structures */\n");
+    fprintf (fp, "#include <api/%s_all_api_h.h> \n", vlib_app_name);
+    fprintf (fp, "#undef vl_typedefs\n\n");
+
+    fprintf (fp, "#define vl_endianfun \n");
+    fprintf (fp, "#include <api/%s_all_api_h.h> \n", vlib_app_name);
+    fprintf (fp, "#undef vl_endianfun\n\n");
+
+    fprintf (fp, "#define vl_print(handle, ...)\n");
+    fprintf (fp, "#define vl_printfun\n");
+    fprintf (fp, "#include <api/%s_all_api_h.h>\n", vlib_app_name);
+    fprintf (fp, "#undef vl_printfun\n\n");
+}
+
+void generate_jni_code (YYSTYPE a1, FILE *fp)
+{
+    node_t *np = (node_t *)a1;
+    node_vft_t *vftp;
+
+    /* Walk the top-level node-list */
+    while (np) {
+        if (np->type == NODE_DEFINE) {
+            if (!(np->flags & (NODE_FLAG_MANUAL_JAVA | NODE_FLAG_TYPEONLY))) {
+                /* Suppress messages named "xyz_reply" */
+                char * cp = (char *) np->data[0];
+                while (*cp)
+                    cp++;
+                cp -= 6;
+                if (strncmp (cp, "_reply", 6)) {
+                    current_def_name = np->data[0];
+                    current_java_parameter_number = 0;
+                    vftp = the_vft[np->type];
+                    vftp->generate(np, JAVA_JNI_PASS, fp);
+                }
+            }
+        }
+        np = np->peer;
+    }
+}
+
+char *hookup_boilerplate = 
+"void vl_msg_reply_handler_hookup (void)\n"
+"{\n"
+"#define _(N,n)	\\\n"
+"    vl_msg_api_set_handlers (VL_API_##N, #n, \\\n"
+"        vl_api_generic_reply_handler, \\\n"
+"        vl_noop_handler, \\\n"
+"        vl_api_##n##_t_endian, \\\n"
+"        vl_api_##n##_t_print, \\\n"
+"        sizeof(vl_api_##n##_t), 1); \n"
+"    foreach_api_reply_handler;\n"
+"#undef _\n\n"
+"}\n\n";
+    
+void generate_jni_bottom_boilerplate(FILE *fp)
+{
+    fputs (hookup_boilerplate, fp);
+}
+
+void generate(YYSTYPE a1)
+{
+    if (dump_tree) {
+        dump((node_t *)a1);
+    }
+
+    add_msg_ids(a1);
+
+    if (ofp) {
+        generate_top_boilerplate(ofp);
+
+        generate_msg_ids(a1, ofp);
+        generate_msg_names(a1, ofp);
+        generate_typedefs(a1, ofp);
+        generate_uniondefs(a1, ofp);
+        generate_printfun(a1, ofp);
+        generate_endianfun(a1, ofp);
+        
+        generate_bottom_boilerplate(ofp);
+    }
+
+    if (javafp) {
+        generate_java_top_boilerplate(javafp);
+        generate_java_class_definition(a1, javafp);
+        generate_java_bottom_boilerplate(javafp);
+    }
+    if (jnifp) {
+        generate_jni_top_boilerplate(jnifp);
+        generate_jni_reply_handler_list (a1, jnifp);
+        generate_jni_code(a1, jnifp);
+        generate_jni_bottom_boilerplate(jnifp);
+    }
+}