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-rw-r--r--src/tools/vppapigen/node.c1527
1 files changed, 1527 insertions, 0 deletions
diff --git a/src/tools/vppapigen/node.c b/src/tools/vppapigen/node.c
new file mode 100644
index 00000000000..260c6f2ef7b
--- /dev/null
+++ b/src/tools/vppapigen/node.c
@@ -0,0 +1,1527 @@
+/*
+ *------------------------------------------------------------------
+ * 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 <stdbool.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 *pythonfp;
+FILE *jsonfp;
+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;
+
+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);
+}
+
+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 PYTHON_PASS:
+ fputs("('", pythonfp);
+ fputs((char *)type_name, pythonfp);
+ fputs("', ", pythonfp);
+ break;
+
+ case JSON_PASS:
+ fputs("[\"", jsonfp);
+ fputs((char *)type_name, jsonfp);
+ fputs("\", ", jsonfp);
+ 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 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);
+}
+
+node_vft_t node_illegal_vft = {
+ node_illegal_print,
+ node_illegal_generate,
+ "illegal"
+};
+
+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)");
+}
+
+node_vft_t node_u8_vft = {
+ node_u8_print,
+ node_u8_generate,
+ NULL
+};
+
+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)");
+}
+
+node_vft_t node_u16_vft = {
+ node_u16_print,
+ node_u16_generate,
+ "clib_net_to_host_u16"
+};
+
+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)");
+}
+
+node_vft_t node_u32_vft = {
+ node_u32_print,
+ node_u32_generate,
+ "clib_net_to_host_u32",
+};
+
+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)");
+}
+
+node_vft_t node_u64_vft = {
+ node_u64_print,
+ node_u64_generate,
+ "clib_net_to_host_u64"
+};
+
+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,
+ ""
+};
+
+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"
+};
+
+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"
+};
+
+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"
+};
+
+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)");
+}
+
+node_vft_t node_f64_vft = {
+ node_f64_print,
+ node_f64_generate,
+ " ", /* FP numbers are sent in host byte order */
+};
+
+
+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;
+
+ 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 PYTHON_PASS:
+ fprintf(fp, "('%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, "),\n\n");
+ break;
+
+ case JSON_PASS:
+ fprintf(fp, "[\"%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;
+ fprintf(fp, ",\n");
+ }
+ indent_me(fp);
+ fprintf (fp, "{\"crc\" : \"0x%08x\"}\n", (u32)(u64)CDATA3);
+ indent -= 4;
+ indent_me(fp);
+ fprintf(fp, "]");
+ 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 (no-op) */\n",
+ union_prefix, CDATA0,
+ union_prefix, CDATA0);
+ }
+ }
+ break;
+ case PYTHON_PASS:
+ fprintf(fp, "'%s'),\n", CDATA0);
+ break;
+
+ case JSON_PASS:
+ fprintf(fp, "\"%s\"]", 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;
+ /* If this is a simple endian swap, but the endian swap method is a no-op,
+ * then indicate this is a no-op in a comment.
+ */
+ if (!current_is_complex && current_endianfun == NULL) {
+ indent_me(fp);
+ fprintf(fp, "/* a->%s%s[0..%d] = a->%s%s[0..%d] (no-op) */\n",
+ union_prefix, CDATA0, IDATA1 - 1,
+ union_prefix, CDATA0, IDATA1 - 1);
+ 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;
+ case PYTHON_PASS:
+ if (CDATA2 != 0) { // variable length vector
+ fprintf(fp, "'%s', '%d', '%s'),\n", CDATA0, IDATA1, CDATA2);
+ } else {
+ fprintf(fp, "'%s', '%d'),\n", CDATA0, IDATA1);
+ }
+ break;
+
+ case JSON_PASS:
+ if (CDATA2 != 0) { /* variable length vector */
+ fprintf(fp, "\"%s\", %d, \"%s\"]", CDATA0, IDATA1, CDATA2);
+ } else {
+ fprintf(fp, "\"%s\", %d]", CDATA0, IDATA1);
+ }
+ 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;
+ case PYTHON_PASS:
+ fprintf(fp, "('%s',", CDATA0);
+ deeper = this->deeper;
+ if (deeper) {
+ vftp = the_vft[deeper->type];
+ vftp->generate(deeper, which, fp);
+ }
+ break;
+
+ case JSON_PASS:
+ fprintf(fp, "[\"%s\", ", CDATA0);
+ deeper = this->deeper;
+ if (deeper) {
+ vftp = the_vft[deeper->type];
+ vftp->generate(deeper, which, fp);
+ }
+ 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;
+ np->data[3] = (void *) message_crc;
+ 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)
+{
+ /* 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_vector_vbl (char *vector_name, char *vector_length_var)
+ */
+
+YYSTYPE add_variable_length_vector_vbl (YYSTYPE vector_name, YYSTYPE vector_length_var)
+{
+ node_t *np;
+
+ np = make_node(NODE_VECTOR);
+ np->data[0] = (void *) vector_name;
+ np->data[1] = (void *) 0; // vector size used for vpe.api.h generation (array of length zero)
+ np->data[2] = (void *) vector_length_var; // name of the variable that stores vector length
+ 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++;
+
+ strncpy (tmpbuf, cp, sizeof(tmpbuf)-1);
+
+ 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");
+ 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)||defined(vl_msg_name_crc_list)\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_msg_name_crc_list (YYSTYPE a1, FILE *fp)
+{
+ node_t *np = (node_t *)a1;
+ char *unique_suffix, *cp;
+
+ unique_suffix = sxerox(fixed_name);
+
+ cp = unique_suffix;
+ while (*cp && (*cp != '.'))
+ cp++;
+ if (*cp == '.')
+ *cp = 0;
+
+ fprintf (fp, "\n/****** Message name, crc list ******/\n\n");
+
+ fprintf (fp, "#ifdef vl_msg_name_crc_list\n");
+ fprintf (fp, "#define foreach_vl_msg_name_crc_%s ", unique_suffix);
+
+ while (np) {
+ if (np->type == NODE_DEFINE) {
+ if (!(np->flags & NODE_FLAG_TYPEONLY)) {
+ fprintf (fp, "\\\n_(VL_API_%s, %s, %08x) ",
+ uppercase (np->data[0]), (i8 *) np->data[0],
+ (u32)(u64)np->data[3]);
+ }
+ }
+ np = np->peer;
+ }
+ fprintf (fp, "\n#endif\n\n");
+ free (unique_suffix);
+}
+
+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_python_msg_definitions(YYSTYPE a1, FILE *fp)
+{
+ node_t *np = (node_t *)a1;
+ node_vft_t *vftp;
+ fprintf (fp, "messages = [\n");
+ /* Walk the top-level node-list */
+ while (np) {
+ if (np->type == NODE_DEFINE && !(np->flags & NODE_FLAG_TYPEONLY)) {
+ /* Yeah, this is pedantic */
+ vftp = the_vft[np->type];
+ vftp->generate(np, PYTHON_PASS, fp);
+ }
+ np = np->peer;
+ }
+ fprintf (fp, "\n]\n");
+}
+
+static bool
+is_typeonly_check(node_t *np, bool typeonly)
+{
+ bool is_typeonly = (np->flags & NODE_FLAG_TYPEONLY);
+ return (is_typeonly == typeonly);
+}
+
+static void
+generate_json_definitions(YYSTYPE a1, FILE *fp, bool typeonly)
+{
+ node_t *np = (node_t *)a1;
+ node_vft_t *vftp;
+ indent_me(fp);
+ if (typeonly)
+ fprintf (fp, "\"types\" : [\n");
+ else
+ fprintf (fp, "\"messages\" : [\n");
+
+ /* Walk the top-level node-list */
+ bool comma = false;
+ indent += 4;
+ while (np) {
+ if (np->type == NODE_DEFINE && is_typeonly_check(np, typeonly)) {
+ /* Yeah, this is pedantic */
+ vftp = the_vft[np->type];
+ indent_me(fp);
+ vftp->generate(np, JSON_PASS, fp);
+ comma = true;
+ }
+ np = np->peer;
+ if (comma && np &&
+ np->type == NODE_DEFINE && is_typeonly_check(np, typeonly))
+ fprintf (fp, ",\n");
+
+ }
+ indent -= 4;
+ fprintf (fp, "\n");
+ indent_me(fp);
+ fprintf(fp, "]");
+}
+
+void generate_python_typeonly_definitions(YYSTYPE a1, FILE *fp)
+{
+ node_t *np = (node_t *)a1;
+ node_vft_t *vftp;
+ fprintf (fp, "types = [\n");
+ /* Walk the top-level node-list */
+ while (np) {
+ if (np->type == NODE_DEFINE && (np->flags & NODE_FLAG_TYPEONLY)) {
+ vftp = the_vft[np->type];
+ vftp->generate(np, PYTHON_PASS, fp);
+ }
+ np = np->peer;
+ }
+ fprintf (fp, "\n]\n");
+}
+
+void generate_python(YYSTYPE a1, FILE *fp)
+{
+ generate_python_typeonly_definitions(a1, fp);
+ generate_python_msg_definitions(a1, fp);
+
+ /*
+ * API CRC signature
+ */
+ fprintf (fp, "vl_api_version = 0x%08x\n\n", (unsigned int)input_crc);
+}
+
+void generate_json(YYSTYPE a1, FILE *fp)
+{
+ fprintf (fp, "{\n");
+ indent += 4;
+ generate_json_definitions(a1, fp, true);
+ fprintf (fp, ",\n");
+ generate_json_definitions(a1, fp, false);
+
+ /*
+ * API CRC signature
+ */
+ fprintf (fp, ",\n\"vl_api_version\" :\"0x%08x\"\n",
+ (unsigned int)input_crc);
+ fprintf (fp, "}\n");
+}
+
+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_msg_name_crc_list(a1, ofp);
+ generate_typedefs(a1, ofp);
+ generate_uniondefs(a1, ofp);
+ generate_printfun(a1, ofp);
+ generate_endianfun(a1, ofp);
+
+ generate_bottom_boilerplate(ofp);
+ }
+ if (pythonfp) {
+ generate_python(a1, pythonfp);
+ }
+ if (jsonfp) {
+ generate_json(a1, jsonfp);
+ }
+}