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-rw-r--r--src/tools/vppapigen/configure.ac14
-rw-r--r--src/tools/vppapigen/gram.y90
-rw-r--r--src/tools/vppapigen/lex.c1067
-rw-r--r--src/tools/vppapigen/lex.h50
-rw-r--r--src/tools/vppapigen/node.c1527
-rw-r--r--src/tools/vppapigen/node.h94
6 files changed, 2842 insertions, 0 deletions
diff --git a/src/tools/vppapigen/configure.ac b/src/tools/vppapigen/configure.ac
new file mode 100644
index 00000000000..16ad59d286d
--- /dev/null
+++ b/src/tools/vppapigen/configure.ac
@@ -0,0 +1,14 @@
+# -*- Autoconf -*-
+# Copyright (c) 2008 by cisco Systems, Inc.
+# All rights reserved.
+# Process this file with autoconf to produce a configure script.
+
+AC_INIT(vppapigen, 1.0)
+AM_INIT_AUTOMAKE
+AM_SILENT_RULES([yes])
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_YACC
+
+AC_OUTPUT([Makefile])
diff --git a/src/tools/vppapigen/gram.y b/src/tools/vppapigen/gram.y
new file mode 100644
index 00000000000..de26af8daa0
--- /dev/null
+++ b/src/tools/vppapigen/gram.y
@@ -0,0 +1,90 @@
+%{
+/*
+ * gram.y - message definition language
+ *
+ * Copyright (c) 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.
+ */
+
+extern void yyerror (char *s);
+extern int yylex (void);
+
+#define YYSTYPE void *
+
+void generate (YYSTYPE);
+ YYSTYPE add_slist(YYSTYPE, YYSTYPE);
+ YYSTYPE add_define(YYSTYPE, YYSTYPE);
+ YYSTYPE suppress_version(void);
+ YYSTYPE add_defbody(YYSTYPE, YYSTYPE);
+ YYSTYPE add_primtype(YYSTYPE, YYSTYPE, YYSTYPE);
+ YYSTYPE add_complex(YYSTYPE, YYSTYPE);
+ YYSTYPE add_union(YYSTYPE, YYSTYPE);
+ YYSTYPE add_scalar_vbl(YYSTYPE);
+ YYSTYPE add_vector_vbl(YYSTYPE, YYSTYPE);
+ YYSTYPE add_variable_length_vector_vbl(YYSTYPE, YYSTYPE);
+ YYSTYPE set_flags(YYSTYPE, YYSTYPE);
+%}
+
+%token NAME RPAR LPAR SEMI LBRACK RBRACK NUMBER PRIMTYPE BARF
+%token TPACKED DEFINE LCURLY RCURLY STRING UNION
+%token HELPER_STRING COMMA
+%token NOVERSION MANUAL_PRINT MANUAL_ENDIAN TYPEONLY DONT_TRACE
+
+%%
+
+pgm: slist {generate ($1);}
+ ;
+
+slist: slist stmt {$$ = add_slist ($1, $2);}
+ | stmt {$$ = $1;}
+ ;
+
+stmt: flist defn {$$ = set_flags($1, $2);}
+ | defn {$$ = $1;}
+ ;
+
+flist: flist flag {$$ = (YYSTYPE)(unsigned long long)
+ ((unsigned long long) $1
+ | (unsigned long long) $2);}
+ | flag {$$ = $1;}
+ ;
+
+flag:
+ MANUAL_PRINT {$$ = $1;}
+ | MANUAL_ENDIAN {$$ = $1;}
+ | DONT_TRACE {$$ = $1;}
+ | TYPEONLY {$$ = $1;}
+ ;
+
+defn: DEFINE NAME LCURLY defbody RCURLY SEMI
+ {$$ = add_define($2, $4);}
+
+ | NOVERSION SEMI
+ {$$ = suppress_version();}
+ ;
+
+defbody: defbody onedef {$$ = add_defbody($1, $2);}
+ | onedef {$$ = $1;}
+ ;
+
+onedef: PRIMTYPE vbl SEMI {$$ = add_primtype($1, $2, 0);}
+ | TPACKED PRIMTYPE vbl SEMI {$$ = add_primtype($1, $2, $3);}
+ | NAME vbl SEMI {$$ = add_complex($1, $2);}
+ | UNION NAME LCURLY defbody RCURLY SEMI
+ {$$ = add_union($2, $4);}
+ ;
+
+vbl: NAME {$$ = add_scalar_vbl($1);}
+ | NAME LBRACK NUMBER RBRACK {$$ = add_vector_vbl($1, $3);}
+ | NAME LBRACK NAME RBRACK {$$ = add_variable_length_vector_vbl($1, $3);}
+ ;
diff --git a/src/tools/vppapigen/lex.c b/src/tools/vppapigen/lex.c
new file mode 100644
index 00000000000..733942add8d
--- /dev/null
+++ b/src/tools/vppapigen/lex.c
@@ -0,0 +1,1067 @@
+/*
+ *------------------------------------------------------------------
+ * lex.c - API generator lexical analyzer
+ *
+ * Copyright (c) 1996-2009 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 "lex.h"
+#include "node.h"
+#include "tools/vppapigen/gram.h"
+
+FILE *ifp, *ofp, *pythonfp, *jsonfp;
+char *vlib_app_name = "vpp";
+int dump_tree;
+time_t starttime;
+char *input_filename;
+char *current_filename;
+int current_filename_allocated;
+unsigned long input_crc;
+unsigned long message_crc;
+int yydebug;
+
+/*
+ * lexer variable definitions
+ */
+
+static const char *version = "0.1";
+static int the_lexer_linenumber = 1;
+static enum lex_state the_lexer_state = START_STATE;
+
+/*
+ * private prototypes
+ */
+static void usage (char *);
+static int name_check (const char *, YYSTYPE *);
+static int name_compare (const char *, const char *);
+extern int yydebug;
+extern YYSTYPE yylval;
+
+unsigned int crc32c_table[256] = {
+ 0x00000000, 0xF26B8303, 0xE13B70F7, 0x1350F3F4,
+ 0xC79A971F, 0x35F1141C, 0x26A1E7E8, 0xD4CA64EB,
+ 0x8AD958CF, 0x78B2DBCC, 0x6BE22838, 0x9989AB3B,
+ 0x4D43CFD0, 0xBF284CD3, 0xAC78BF27, 0x5E133C24,
+ 0x105EC76F, 0xE235446C, 0xF165B798, 0x030E349B,
+ 0xD7C45070, 0x25AFD373, 0x36FF2087, 0xC494A384,
+ 0x9A879FA0, 0x68EC1CA3, 0x7BBCEF57, 0x89D76C54,
+ 0x5D1D08BF, 0xAF768BBC, 0xBC267848, 0x4E4DFB4B,
+ 0x20BD8EDE, 0xD2D60DDD, 0xC186FE29, 0x33ED7D2A,
+ 0xE72719C1, 0x154C9AC2, 0x061C6936, 0xF477EA35,
+ 0xAA64D611, 0x580F5512, 0x4B5FA6E6, 0xB93425E5,
+ 0x6DFE410E, 0x9F95C20D, 0x8CC531F9, 0x7EAEB2FA,
+ 0x30E349B1, 0xC288CAB2, 0xD1D83946, 0x23B3BA45,
+ 0xF779DEAE, 0x05125DAD, 0x1642AE59, 0xE4292D5A,
+ 0xBA3A117E, 0x4851927D, 0x5B016189, 0xA96AE28A,
+ 0x7DA08661, 0x8FCB0562, 0x9C9BF696, 0x6EF07595,
+ 0x417B1DBC, 0xB3109EBF, 0xA0406D4B, 0x522BEE48,
+ 0x86E18AA3, 0x748A09A0, 0x67DAFA54, 0x95B17957,
+ 0xCBA24573, 0x39C9C670, 0x2A993584, 0xD8F2B687,
+ 0x0C38D26C, 0xFE53516F, 0xED03A29B, 0x1F682198,
+ 0x5125DAD3, 0xA34E59D0, 0xB01EAA24, 0x42752927,
+ 0x96BF4DCC, 0x64D4CECF, 0x77843D3B, 0x85EFBE38,
+ 0xDBFC821C, 0x2997011F, 0x3AC7F2EB, 0xC8AC71E8,
+ 0x1C661503, 0xEE0D9600, 0xFD5D65F4, 0x0F36E6F7,
+ 0x61C69362, 0x93AD1061, 0x80FDE395, 0x72966096,
+ 0xA65C047D, 0x5437877E, 0x4767748A, 0xB50CF789,
+ 0xEB1FCBAD, 0x197448AE, 0x0A24BB5A, 0xF84F3859,
+ 0x2C855CB2, 0xDEEEDFB1, 0xCDBE2C45, 0x3FD5AF46,
+ 0x7198540D, 0x83F3D70E, 0x90A324FA, 0x62C8A7F9,
+ 0xB602C312, 0x44694011, 0x5739B3E5, 0xA55230E6,
+ 0xFB410CC2, 0x092A8FC1, 0x1A7A7C35, 0xE811FF36,
+ 0x3CDB9BDD, 0xCEB018DE, 0xDDE0EB2A, 0x2F8B6829,
+ 0x82F63B78, 0x709DB87B, 0x63CD4B8F, 0x91A6C88C,
+ 0x456CAC67, 0xB7072F64, 0xA457DC90, 0x563C5F93,
+ 0x082F63B7, 0xFA44E0B4, 0xE9141340, 0x1B7F9043,
+ 0xCFB5F4A8, 0x3DDE77AB, 0x2E8E845F, 0xDCE5075C,
+ 0x92A8FC17, 0x60C37F14, 0x73938CE0, 0x81F80FE3,
+ 0x55326B08, 0xA759E80B, 0xB4091BFF, 0x466298FC,
+ 0x1871A4D8, 0xEA1A27DB, 0xF94AD42F, 0x0B21572C,
+ 0xDFEB33C7, 0x2D80B0C4, 0x3ED04330, 0xCCBBC033,
+ 0xA24BB5A6, 0x502036A5, 0x4370C551, 0xB11B4652,
+ 0x65D122B9, 0x97BAA1BA, 0x84EA524E, 0x7681D14D,
+ 0x2892ED69, 0xDAF96E6A, 0xC9A99D9E, 0x3BC21E9D,
+ 0xEF087A76, 0x1D63F975, 0x0E330A81, 0xFC588982,
+ 0xB21572C9, 0x407EF1CA, 0x532E023E, 0xA145813D,
+ 0x758FE5D6, 0x87E466D5, 0x94B49521, 0x66DF1622,
+ 0x38CC2A06, 0xCAA7A905, 0xD9F75AF1, 0x2B9CD9F2,
+ 0xFF56BD19, 0x0D3D3E1A, 0x1E6DCDEE, 0xEC064EED,
+ 0xC38D26C4, 0x31E6A5C7, 0x22B65633, 0xD0DDD530,
+ 0x0417B1DB, 0xF67C32D8, 0xE52CC12C, 0x1747422F,
+ 0x49547E0B, 0xBB3FFD08, 0xA86F0EFC, 0x5A048DFF,
+ 0x8ECEE914, 0x7CA56A17, 0x6FF599E3, 0x9D9E1AE0,
+ 0xD3D3E1AB, 0x21B862A8, 0x32E8915C, 0xC083125F,
+ 0x144976B4, 0xE622F5B7, 0xF5720643, 0x07198540,
+ 0x590AB964, 0xAB613A67, 0xB831C993, 0x4A5A4A90,
+ 0x9E902E7B, 0x6CFBAD78, 0x7FAB5E8C, 0x8DC0DD8F,
+ 0xE330A81A, 0x115B2B19, 0x020BD8ED, 0xF0605BEE,
+ 0x24AA3F05, 0xD6C1BC06, 0xC5914FF2, 0x37FACCF1,
+ 0x69E9F0D5, 0x9B8273D6, 0x88D28022, 0x7AB90321,
+ 0xAE7367CA, 0x5C18E4C9, 0x4F48173D, 0xBD23943E,
+ 0xF36E6F75, 0x0105EC76, 0x12551F82, 0xE03E9C81,
+ 0x34F4F86A, 0xC69F7B69, 0xD5CF889D, 0x27A40B9E,
+ 0x79B737BA, 0x8BDCB4B9, 0x988C474D, 0x6AE7C44E,
+ 0xBE2DA0A5, 0x4C4623A6, 0x5F16D052, 0xAD7D5351
+};
+
+static inline unsigned long CRC8 (unsigned long crc,
+ unsigned char d)
+{
+ return ((crc >> 8) ^ crc32c_table[(crc ^ d) & 0xFF]);
+}
+static inline unsigned long CRC16 (unsigned long crc,
+ unsigned short d)
+{
+ crc = CRC8 (crc, d & 0xff);
+ d = d >> 8;
+ crc = CRC8 (crc, d & 0xff);
+ return crc;
+}
+
+
+static unsigned long
+crc_eliding_c_comments (const char *buf, unsigned long crc)
+{
+ const char *p;
+ enum { cOTHER, /* */
+ cSTRING, /* "... */
+ cSBACKSLASH, /* "...\ */
+ cCHAR, /* '... */
+ cCBACKSLASH, /* '...\ */
+ cSLASH, /* / */
+ cSLASH_SLASH, /* //... */
+ cSLASH_STAR, /* / *... */
+ cSTAR /* / *...* */
+ } ss = cOTHER;
+
+ for (p = buf; ;) {
+ unsigned char c = *p++;
+
+ switch (c) {
+ case 0:
+ switch (ss) {
+ case cOTHER:
+ return (crc);
+ case cSTRING: case cSBACKSLASH:
+ case cCHAR: case cCBACKSLASH:
+ case cSLASH: case cSLASH_SLASH: case cSLASH_STAR: case cSTAR:
+ fprintf (stderr, "Inopportune EOF: %s\n", buf);
+ exit (1);
+ }
+ break;
+ case '\"':
+ switch (ss) {
+ case cOTHER: ss = cSTRING; break; /* start string */
+ case cSTRING: ss = cOTHER; break; /* end string */
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: crc = CRC8 (crc, '/'); ss = cOTHER; break;
+ case cSLASH_SLASH: continue; /* in comment */
+ case cSLASH_STAR: continue; /* in comment */
+ case cSTAR: ss = cSLASH_STAR; continue; /* in comment */
+ }
+ break;
+ case '\\':
+ switch (ss) {
+ case cOTHER: break;
+ case cSTRING: ss = cSBACKSLASH; break;
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: ss = cCBACKSLASH; break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: crc = CRC8 (crc, '/'); ; ss = cOTHER; break;
+ case cSLASH_SLASH: continue; /* in comment */
+ case cSLASH_STAR: continue; /* in comment */
+ case cSTAR: ss = cSLASH_STAR; continue; /* in comment */
+ }
+ break;
+ case '/':
+ switch (ss) {
+ case cOTHER: ss = cSLASH; continue; /* potential comment */
+ case cSTRING: break;
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: ss = cSLASH_SLASH; continue; /* start comment */
+ case cSLASH_SLASH: continue; /* in comment */
+ case cSLASH_STAR: continue; /* in comment */
+ case cSTAR: ss = cOTHER; continue; /* end of comment */
+ }
+ break;
+ case '*':
+ switch (ss) {
+ case cOTHER: break;
+ case cSTRING: break;
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: ss = cSLASH_STAR; continue; /* start comment */
+ case cSLASH_SLASH: continue; /* in comment */
+ case cSLASH_STAR: ss = cSTAR; continue; /* potential end */
+ case cSTAR: continue; /* still potential end of comment */
+ }
+ break;
+ case '\n': case '\r': case ' ': case '\t': case '\014':
+ switch (ss) {
+ case cOTHER: continue; /* ignore all whitespace */
+ case cSTRING: break;
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: c = '/'; ss = cOTHER; break;
+ case cSLASH_SLASH:
+ if (c == '\n' || c == '\r') ss = cOTHER; /* end comment */
+ continue;
+ case cSLASH_STAR: continue; /* in comment */
+ case cSTAR: ss = cSLASH_STAR; continue; /* in comment */
+ }
+ default:
+ switch (ss) {
+ case cOTHER: break;
+ case cSTRING: break;
+ case cSBACKSLASH: ss = cSTRING; break;
+ case cCHAR: break;
+ case cCBACKSLASH: ss = cCHAR; break;
+ case cSLASH: crc = CRC8 (crc, '/'); ss = cOTHER; break;
+ case cSLASH_SLASH: continue; /* in comment */
+ case cSLASH_STAR: continue; /* in comment */
+ case cSTAR: ss = cSLASH_STAR; continue; /* in comment */
+ }
+ }
+ crc = CRC8 (crc, c);
+ }
+}
+
+/*
+ * main
+ */
+int main (int argc, char **argv)
+{
+ int curarg = 1;
+ char *ofile=0;
+ char *pythonfile=0;
+ char *jsonfile=0;
+ char *show_name=0;
+
+ while (curarg < argc) {
+ if (!strncmp (argv [curarg], "--verbose", 3)) {
+ fprintf (stderr, "%s version %s\n", argv [0], version);
+ curarg++;
+ continue;
+ }
+
+ if (!strncmp (argv [curarg], "--yydebug", 3)) {
+ yydebug = 1;
+ curarg++;
+ continue;
+ }
+
+ if (!strncmp (argv [curarg], "--dump", 3)) {
+ dump_tree = 1;
+ curarg++;
+ continue;
+ }
+
+ if (!strncmp (argv[curarg], "--show-name", 3)) {
+ curarg++;
+ if (curarg < argc) {
+ show_name = argv[curarg];
+ curarg++;
+ continue;
+ } else {
+ fprintf(stderr, "Missing filename after --show-name \n");
+ exit(1);
+ }
+ }
+
+ if (!strncmp (argv [curarg], "--input", 3)) {
+ curarg++;
+ if (curarg < argc) {
+ input_filename = argv[curarg];
+ if (!strcmp (argv [curarg], "-"))
+ ifp = stdin;
+ else
+ ifp = fopen (argv [curarg], "r");
+ if (ifp == NULL) {
+ fprintf (stderr, "Couldn't open input file %s\n",
+ argv[curarg]);
+ exit (1);
+ }
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing filename after --input\n");
+ exit(1);
+ }
+ continue;
+ }
+ if (!strncmp (argv [curarg], "--output", 3)) {
+ curarg++;
+ if (curarg < argc) {
+ ofp = fopen (argv[curarg], "w");
+ if (ofp == NULL) {
+ fprintf (stderr, "Couldn't open output file %s\n",
+ argv[curarg]);
+ exit (1);
+ }
+ ofile = argv[curarg];
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing filename after --output\n");
+ exit(1);
+ }
+ continue;
+ }
+ if (!strncmp (argv [curarg], "--python", 8)) {
+ curarg++;
+ if (curarg < argc) {
+ if (!strcmp(argv[curarg], "-")) {
+ pythonfp = stdout;
+ } else {
+ pythonfp = fopen(argv[curarg], "w");
+ pythonfile = argv[curarg];
+ }
+ if (pythonfp == NULL) {
+ fprintf (stderr, "Couldn't open python output file %s\n",
+ argv[curarg]);
+ exit (1);
+ }
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing filename after --python\n");
+ exit(1);
+ }
+ continue;
+ }
+ if (!strncmp (argv [curarg], "--json", 6)) {
+ curarg++;
+ if (curarg < argc) {
+ if (!strcmp(argv[curarg], "-")) {
+ jsonfp = stdout;
+ } else {
+ jsonfp = fopen(argv[curarg], "w");
+ jsonfile = argv[curarg];
+ }
+ if (jsonfp == NULL) {
+ fprintf (stderr, "Couldn't open JSON output file %s\n",
+ argv[curarg]);
+ exit (1);
+ }
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing filename after --json\n");
+ exit(1);
+ }
+ continue;
+ }
+ if (!strncmp (argv [curarg], "--app", 4)) {
+ curarg++;
+ if (curarg < argc) {
+ vlib_app_name = argv[curarg];
+ curarg++;
+ } else {
+ fprintf(stderr, "Missing app name after --app\n");
+ exit(1);
+ }
+ continue;
+ }
+
+ usage(argv[0]);
+ exit (1);
+ }
+ if (ofp == NULL) {
+ ofile = 0;
+ }
+ if (pythonfp == NULL) {
+ pythonfile = 0;
+ }
+ if (jsonfp == NULL) {
+ jsonfile = 0;
+ }
+ if (ifp == NULL) {
+ fprintf(stderr, "No input file specified...\n");
+ exit(1);
+ }
+ if (show_name) {
+ input_filename = show_name;
+ }
+
+ starttime = time (0);
+
+ if (yyparse() == 0) {
+ fclose (ifp);
+ curarg -= 2;
+ if (ofile) {
+ printf ("Output written to %s\n", ofile);
+ fclose (ofp);
+ }
+ if (pythonfile) {
+ printf ("Python bindings written to %s\n", pythonfile);
+ fclose (pythonfp);
+ }
+ if (jsonfile) {
+ printf ("JSON bindings written to %s\n", jsonfile);
+ fclose (jsonfp);
+ }
+ }
+ else {
+ fclose (ifp);
+ if (ofp)
+ fclose (ofp);
+ if (ofile) {
+ printf ("Removing %s\n", ofile);
+ unlink (ofile);
+ }
+ if (pythonfile) {
+ printf ("Removing %s\n", pythonfile);
+ unlink (pythonfile);
+ }
+ if (jsonfile) {
+ printf ("Removing %s\n", jsonfile);
+ unlink (jsonfile);
+ }
+ exit (1);
+ }
+ exit (0);
+}
+
+/*
+ * usage
+ */
+static void usage (char *progname)
+{
+ fprintf (stderr,
+ "usage: %s --input <filename> [--output <filename>] "
+ "[--json <filename>] [--python <filename>]\n%s",
+ progname,
+ " [--yydebug] [--dump-tree]\n");
+ exit (1);
+}
+
+/*
+ * yyerror
+ */
+void yyerror (char *s)
+{
+ fprintf (stderr, "%s:%d %s\n", current_filename, the_lexer_linenumber, s);
+}
+
+static char namebuf [MAXNAME];
+
+static inline char
+getc_char (FILE *ifp)
+{
+ return ((char)(getc(ifp) & 0x7f));
+}
+
+/*
+ * yylex (well, yylex_1: The real yylex below does crc-hackery)
+ */
+static int yylex_1 (void)
+{
+ int nameidx=0;
+ char c;
+ enum { LP_INITIAL_WHITESPACE, LP_LINE_NUMBER,
+ LP_PRE_FILENAME_WHITESPACE, LP_FILENAME,
+ LP_POST_FILENAME,
+ LP_OTHER
+ } lp_substate = LP_INITIAL_WHITESPACE;
+
+ again:
+ switch (the_lexer_state) {
+ /*
+ * START state -- looking for something interesting
+ */
+ case START_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+
+ switch (c) {
+ case '\n':
+ the_lexer_linenumber++;
+ goto again;
+
+ case '#':
+ the_lexer_state = LINE_PRAGMA_STATE;
+ lp_substate = LP_INITIAL_WHITESPACE;
+ goto again;
+
+ /* FALLTHROUGH */
+ case '\t':
+ case ' ':
+ goto again;
+
+ case '(':
+ return (LPAR);
+
+ case ')':
+ return (RPAR);
+
+ case ';':
+ return (SEMI);
+
+ case '[':
+ return (LBRACK);
+
+ case ']':
+ return (RBRACK);
+
+ case '{':
+ return (LCURLY);
+
+ case '}':
+ return (RCURLY);
+
+ case ',':
+ return (COMMA);
+
+ case '"':
+ nameidx = 0;
+ the_lexer_state = STRING_STATE;
+ goto again;
+
+ case '@':
+ nameidx = 0;
+ the_lexer_state = HELPER_STATE;
+ goto again;
+
+ case '/':
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+
+ if (c == '/') {
+ the_lexer_state = CPP_COMMENT_STATE;
+ goto again;
+ } else if (c == '*') {
+ the_lexer_state = C_COMMENT_STATE;
+ goto again;
+ } else {
+ fprintf (stderr, "unknown token /%c at line %d\n",
+ c, the_lexer_linenumber);
+ return (BARF);
+ }
+
+ case '\\':
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+
+ /* Note fallthrough... */
+
+ default:
+ if (isalpha (c) || c == '_') {
+ namebuf [0] = c;
+ nameidx = 1;
+ the_lexer_state = NAME_STATE;
+ goto again;
+ } else if (isdigit(c)) {
+ namebuf [0] = c;
+ nameidx = 1;
+ the_lexer_state = NUMBER_STATE;
+ goto again;
+ }
+
+ fprintf (stderr, "unknown token %c at line %d\n",
+ c, the_lexer_linenumber);
+ return (BARF);
+ }
+
+ /*
+ * NAME state -- eat the rest of a name
+ */
+ case NAME_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+
+ if (!isalnum (c) && c != '_') {
+ ungetc (c, ifp);
+ namebuf [nameidx] = 0;
+ the_lexer_state = START_STATE;
+ return (name_check (namebuf, &yylval));
+ }
+ if (nameidx >= (MAXNAME-1)) {
+ fprintf(stderr, "lex input buffer overflow...\n");
+ exit(1);
+ }
+ namebuf [nameidx++] = c;
+ goto again;
+
+ /*
+ * NUMBER state -- eat the rest of a number
+ */
+ case NUMBER_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+
+ if (!isdigit (c)) {
+ ungetc (c, ifp);
+ namebuf [nameidx] = 0;
+ the_lexer_state = START_STATE;
+ yylval = (void *) atol(namebuf);
+ return (NUMBER);
+ }
+ if (nameidx >= (MAXNAME-1)) {
+ fprintf(stderr, "lex input buffer overflow...\n");
+ exit(1);
+ }
+ namebuf [nameidx++] = c;
+ goto again;
+
+ /*
+ * C_COMMENT state -- eat a peach
+ */
+ case C_COMMENT_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ if (c == '*') {
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ if (c == '/') {
+ the_lexer_state = START_STATE;
+ goto again;
+ }
+ }
+ if (c == '\n')
+ the_lexer_linenumber++;
+ goto again;
+
+ /*
+ * CPP_COMMENT state -- eat a plum
+ */
+
+ case CPP_COMMENT_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ if (c == '\n') {
+ the_lexer_linenumber++;
+ the_lexer_state = START_STATE;
+ goto again;
+ }
+ goto again;
+
+ case STRING_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ switch (c) {
+ case '\\':
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ namebuf[nameidx++] = c;
+ goto again;
+
+ case '"':
+ namebuf[nameidx] = 0;
+ yylval = (YYSTYPE) sxerox (namebuf);
+ the_lexer_state = START_STATE;
+ return (STRING);
+
+ default:
+ if (c == '\n')
+ the_lexer_linenumber++;
+
+ if (nameidx >= (MAXNAME-1)) {
+ fprintf(stderr, "lex input buffer overflow...\n");
+ exit(1);
+ }
+ namebuf[nameidx++] = c;
+ goto again;
+ }
+ break;
+
+ case HELPER_STATE:
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ switch (c) {
+ case '\\':
+ c = getc_char (ifp);
+ if (feof (ifp))
+ return (EOF);
+ namebuf[nameidx] = c;
+ goto again;
+
+ case '@':
+ namebuf[nameidx] = 0;
+ yylval = (YYSTYPE) sxerox (namebuf);
+ the_lexer_state = START_STATE;
+ return (HELPER_STRING);
+
+ default:
+ if (c == '\n')
+ the_lexer_linenumber++;
+
+ /*
+ * CPP makes it approximately impossible to
+ * type "#define FOO 123", so we provide a
+ * lexical trick to achieve that result
+ */
+
+ if (c == '$')
+ c = '#';
+
+ if (nameidx >= (MAXNAME-1)) {
+ fprintf(stderr, "lex input buffer overflow...\n");
+ exit(1);
+ }
+ namebuf[nameidx++] = c;
+ goto again;
+ }
+ break;
+
+ case LINE_PRAGMA_STATE:
+ /* We're only interested in lines of the form # 259 "foo.c" 17 */
+
+ switch (lp_substate) {
+
+ case LP_INITIAL_WHITESPACE: /* no number seen yet */
+ c = getc_char(ifp);
+ if (feof(ifp))
+ return(EOF);
+ if (c >= '0' && c <= '9') {
+ namebuf[nameidx++] = c;
+ lp_substate = LP_LINE_NUMBER;
+ } else if (c == '\n') {
+ goto lp_end_of_line;
+ } else if (c != ' ' && c != '\t') {
+ /* Nothing */
+ } else {
+ lp_substate = LP_OTHER;
+ }
+ goto again;
+
+ case LP_LINE_NUMBER: /* eating linenumber */
+ c = getc_char(ifp);
+ if (feof(ifp))
+ return(EOF);
+ if (c >= '0' && c <= '9') {
+ namebuf[nameidx++] = c;
+ } else if (c == ' ' || c == '\t') {
+ namebuf[nameidx++] = 0;
+ the_lexer_linenumber = atol(namebuf);
+ lp_substate = LP_PRE_FILENAME_WHITESPACE;
+ } else if (c == '\n') {
+ goto lp_end_of_line;
+ } else {
+ lp_substate = LP_OTHER;
+ }
+ goto again;
+
+ case LP_PRE_FILENAME_WHITESPACE: /* awaiting filename */
+ c = getc_char(ifp);
+ if (feof(ifp))
+ return(EOF);
+
+ if (c == '"') {
+ lp_substate = LP_FILENAME;
+ nameidx = 0;
+ } else if (c == ' ' || c == '\t') {
+ /* nothing */
+ } else if (c == '\n') {
+ goto lp_end_of_line;
+ } else {
+ lp_substate = LP_OTHER;
+ }
+ goto again;
+
+ case LP_FILENAME: /* eating filename */
+ c = getc_char(ifp);
+ if (feof(ifp))
+ return(EOF);
+
+ if (c == '"') {
+ lp_substate = LP_POST_FILENAME;
+ namebuf[nameidx] = 0;
+ } else if (c == '\n') {
+ goto lp_end_of_line; /* syntax error... */
+ } else {
+ namebuf[nameidx++] = c;
+ }
+ goto again;
+
+ case LP_POST_FILENAME: /* ignoring rest of line */
+ case LP_OTHER:
+ c = getc_char(ifp);
+ if (feof(ifp))
+ return(EOF);
+
+ if (c == '\n') {
+ if (lp_substate == LP_POST_FILENAME) {
+ if (current_filename_allocated) {
+ current_filename_allocated = 0;
+ free(current_filename);
+ }
+
+ if (!strcmp(namebuf, "<stdin>")) {
+ current_filename = input_filename;
+ } else {
+ current_filename = sxerox(namebuf);
+ current_filename_allocated = 1;
+ }
+ }
+ lp_end_of_line:
+ the_lexer_state = START_STATE;
+ nameidx = 0;
+ }
+ goto again;
+ }
+ break;
+ }
+ fprintf (stderr, "LEXER BUG!\n");
+ exit (1);
+ /* NOTREACHED */
+ return (0);
+}
+
+/*
+ * Parse a token and side-effect input_crc
+ * in a whitespace- and comment-insensitive fashion.
+ */
+int yylex (void)
+{
+ /*
+ * Accumulate a crc32-based signature while processing the
+ * input file. The goal is to come up with a magic number
+ * which changes precisely when the original input file changes
+ * but which ignores whitespace changes.
+ */
+ unsigned long crc = input_crc;
+ int node_type = yylex_1 ();
+ unsigned long crc2 = message_crc;
+ int use_helper_string = 0;
+ unsigned short code;
+
+ switch (node_type) {
+ case PRIMTYPE:
+ case NAME:
+ case NUMBER:
+ case STRING:
+ case HELPER_STRING:
+ use_helper_string = 1;
+ break;
+
+ /* Other node types have no "substate" */
+ /* This code is written in this curious fashion because we
+ * want the generated CRC to be independent of the particular
+ * values a particular version of lex/bison assigned to various states.
+ */
+
+ case RPAR: code = 258; break;
+ case LPAR: code = 259; break;
+ case SEMI: code = 260; break;
+ case LBRACK: code = 261; break;
+ case RBRACK: code = 262; break;
+ case BARF: code = 265; break;
+ case TPACKED: code = 266; break;
+ case DEFINE: code = 267; break;
+ case LCURLY: code = 268; break;
+ case RCURLY: code = 269; break;
+ case UNION: code = 271; break;
+ case COMMA: code = 273; break;
+ case NOVERSION: code = 274; break;
+ case MANUAL_PRINT: code = 275; break;
+ case MANUAL_ENDIAN: code = 276; break;
+ case TYPEONLY: code = 278; break;
+ case DONT_TRACE: code = 279; break;
+
+ case EOF: code = ~0; break; /* hysterical compatibility */
+
+ default:
+ fprintf(stderr, "yylex: node_type %d missing state CRC cookie\n",
+ node_type);
+ exit(1);
+ }
+
+ if (use_helper_string)
+ {
+ /* We know these types accumulated token text into namebuf */
+ /* HELPER_STRING may still contain C comments. Argh. */
+ crc = crc_eliding_c_comments (namebuf, crc);
+ crc2 = crc_eliding_c_comments (namebuf, crc2);
+ } else
+ {
+ crc = CRC16 (crc, code);
+ crc2 = CRC16 (crc2, code);
+ }
+
+ input_crc = crc;
+ message_crc = crc2;
+ return (node_type);
+}
+
+/*
+ * name_check -- see if the name we just ate
+ * matches a known keyword. If so, set yylval
+ * to a new instance of <subclass of node>, and return PARSER_MACRO
+ *
+ * Otherwise, set yylval to sxerox (s) and return NAME
+ */
+
+static struct keytab {
+ char *name;
+ enum node_subclass subclass_id;
+} keytab [] =
+/* Keep the table sorted, binary search used below! */
+{
+ {"define", NODE_DEFINE},
+ {"dont_trace", NODE_DONT_TRACE},
+ {"f64", NODE_F64},
+ {"i16", NODE_I16},
+ {"i32", NODE_I32},
+ {"i64", NODE_I64},
+ {"i8", NODE_I8},
+ {"manual_endian", NODE_MANUAL_ENDIAN},
+ {"manual_print", NODE_MANUAL_PRINT},
+ {"noversion", NODE_NOVERSION},
+ {"packed", NODE_PACKED},
+ {"typeonly", NODE_TYPEONLY},
+ {"u16", NODE_U16},
+ {"u32", NODE_U32},
+ {"u64", NODE_U64},
+ {"u8", NODE_U8},
+ {"union", NODE_UNION},
+ {"uword", NODE_UWORD},
+};
+
+static int name_check (const char *s, YYSTYPE *token_value)
+{
+ enum node_subclass subclass_id;
+ int top, bot, mid;
+ int result;
+
+ for (top = 0, bot = (sizeof(keytab) / sizeof(struct keytab))-1;
+ bot >= top; ) {
+ mid = (top + bot) / 2;
+ result = name_compare (s, keytab[mid].name);
+ if (result < 0)
+ bot = mid - 1;
+ else if (result > 0)
+ top = mid + 1;
+ else {
+ subclass_id = keytab[mid].subclass_id;
+
+ switch (subclass_id) {
+ case NODE_U8:
+ case NODE_U16:
+ case NODE_U32:
+ case NODE_U64:
+ case NODE_I8:
+ case NODE_I16:
+ case NODE_I32:
+ case NODE_I64:
+ case NODE_F64:
+ case NODE_UWORD:
+ *token_value = make_node(subclass_id);
+ return (PRIMTYPE);
+
+ case NODE_PACKED:
+ *token_value = make_node(subclass_id);
+ return (TPACKED);
+
+ case NODE_DEFINE:
+ message_crc = 0;
+ *token_value = make_node(subclass_id);
+ return(DEFINE);
+
+ case NODE_MANUAL_PRINT:
+ *token_value = (YYSTYPE) NODE_FLAG_MANUAL_PRINT;
+ return (MANUAL_PRINT);
+
+ case NODE_MANUAL_ENDIAN:
+ *token_value = (YYSTYPE) NODE_FLAG_MANUAL_ENDIAN;
+ return (MANUAL_ENDIAN);
+
+ case NODE_TYPEONLY:
+ *token_value = (YYSTYPE) NODE_FLAG_TYPEONLY;
+ return(TYPEONLY);
+
+ case NODE_DONT_TRACE:
+ *token_value = (YYSTYPE) NODE_FLAG_DONT_TRACE;
+ return(DONT_TRACE);
+
+ case NODE_NOVERSION:
+ return(NOVERSION);
+
+ case NODE_UNION:
+ return(UNION);
+
+ default:
+ fprintf (stderr, "fatal: keytab botch!\n");
+ exit (1);
+ }
+ }
+ }
+ *token_value = (YYSTYPE) sxerox (s);
+ return (NAME);
+}
+
+/*
+ * sxerox
+ */
+
+char *sxerox (const char *s)
+{
+ int len = strlen (s);
+ char *rv;
+
+ rv = (char *) malloc (len+1);
+ if (rv == 0) {
+ fprintf(stderr, "Out of memory...");
+ exit (1);
+ }
+
+ strcpy (rv, s);
+ return (rv);
+}
+
+/*
+ * name_compare
+ */
+
+int name_compare (const char *s1, const char *s2)
+{
+ char c1, c2;
+
+ while (*s1 && *s2) {
+ c1 = *s1++;
+ c2 = *s2++;
+
+ c1 = tolower (c1);
+ c2 = tolower (c2);
+ if (c1 < c2)
+ return (-1);
+ else if (c1 > c2)
+ return (1);
+ }
+ if (*s1 < *s2)
+ return (-1);
+ else if (*s1 > *s2)
+ return (1);
+ return (0);
+}
diff --git a/src/tools/vppapigen/lex.h b/src/tools/vppapigen/lex.h
new file mode 100644
index 00000000000..a0fdc735b74
--- /dev/null
+++ b/src/tools/vppapigen/lex.h
@@ -0,0 +1,50 @@
+/*
+ *------------------------------------------------------------------
+ * lex.h - definitions for the api generator's lexical
+ * analyzer.
+ *
+ * Copyright (c) 1996-2009 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.
+ *------------------------------------------------------------------
+ */
+
+#ifndef _LEX_H_
+#define _LEX_H_ 1
+
+extern int yylex (void);
+extern void yyerror (char *);
+extern int yyparse (void);
+
+#ifndef YYSTYPE
+#define YYSTYPE void *
+#endif
+
+#include "tools/vppapigen/gram.h"
+
+enum lex_state {
+ START_STATE = 1,
+ NAME_STATE,
+ NUMBER_STATE,
+ C_COMMENT_STATE,
+ CPP_COMMENT_STATE,
+ STRING_STATE,
+ HELPER_STATE,
+ LINE_PRAGMA_STATE,
+};
+
+#define MAXNAME 64000
+
+extern unsigned long input_crc;
+extern unsigned long message_crc;
+
+#endif /* _LEX_H_ */
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);
+ }
+}
diff --git a/src/tools/vppapigen/node.h b/src/tools/vppapigen/node.h
new file mode 100644
index 00000000000..297d603615b
--- /dev/null
+++ b/src/tools/vppapigen/node.h
@@ -0,0 +1,94 @@
+/*
+ *------------------------------------------------------------------
+ * node.h - definitions for an API generator
+ *
+ * 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.
+ *------------------------------------------------------------------
+ */
+
+#ifndef _node_h_
+#define _node_h_
+
+/*
+ * Global prototypes
+ */
+
+char *sxerox (const char *s);
+
+enum node_subclass { /* WARNING: indices must match the vft... */
+ NODE_ILLEGAL=0,
+ NODE_U8,
+ NODE_U16,
+ NODE_U32,
+ NODE_U64,
+ NODE_I8,
+ NODE_I16,
+ NODE_I32,
+ NODE_I64,
+ NODE_F64,
+ NODE_PACKED,
+ NODE_DEFINE,
+ NODE_UNION,
+ NODE_SCALAR,
+ NODE_VECTOR,
+ NODE_COMPLEX,
+ NODE_NOVERSION,
+ NODE_UWORD,
+ NODE_N_TYPES, /* number of node types with VFT's */
+
+ /* pseudo-node(s) used in the lexer keyword table, but
+ NOT in need of a VFT... */
+ NODE_TYPEONLY,
+ NODE_MANUAL_PRINT,
+ NODE_MANUAL_ENDIAN,
+ NODE_DONT_TRACE,
+};
+
+enum passid {
+ TYPEDEF_PASS=1,
+ UNION_DEF_PASS,
+ ENDIANFUN_PASS,
+ PRINTFUN_PASS,
+ PYTHON_PASS,
+ JSON_PASS,
+};
+
+extern void *make_node (enum node_subclass type);
+
+typedef struct node_ {
+ enum node_subclass type;
+ struct node_ *peer;
+ struct node_ *deeper;
+ int flags;
+ void *data[4];
+} node_t;
+
+/* To shut up gcc-4.2.x warnings */
+#define CDATA0 ((char *)(this->data[0]))
+#define IDATA1 ((int)(uword)(this->data[1]))
+#define CDATA2 ((char *)(this->data[2]))
+#define CDATA3 ((char *)(this->data[3]))
+
+#define NODE_FLAG_MANUAL_PRINT (1<<0)
+#define NODE_FLAG_MANUAL_ENDIAN (1<<1)
+#define NODE_FLAG_TYPEONLY (1<<3)
+#define NODE_FLAG_DONT_TRACE (1<<4)
+
+typedef struct node_vft_ {
+ void (*print)(struct node_ *);
+ void (*generate)(struct node_ *, enum passid id, FILE *ofp);
+ char *endian_converter;
+} node_vft_t;
+
+#endif /* _node_h */