Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 686 insertions, 0 deletions

diff --git a/tools/rpcgen/rpc_parse.c b/tools/rpcgen/rpc_parse.c
new file mode 100644
index 0000000..ee37430
--- /dev/null
+++ b/tools/rpcgen/rpc_parse.c
@@ -0,0 +1,686 @@
+/*
+ * From: @(#)rpc_parse.c 1.8 89/02/22
+ *
+ * Copyright (c) 2010, Oracle America, Inc.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *     * Neither the name of the "Oracle America, Inc." nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * rpc_parse.c, Parser for the RPC protocol compiler
+ * Copyright (C) 1987 Sun Microsystems, Inc.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc_scan.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define ARGNAME "arg"
+
+static void isdefined (definition * defp);
+static void def_struct (definition * defp);
+static void def_program (definition * defp);
+static void def_enum (definition * defp);
+static void def_const (definition * defp);
+static void def_union (definition * defp);
+static void check_type_name (const char *name, int new_type);
+static void def_typedef (definition * defp);
+static void get_declaration (declaration * dec, defkind dkind);
+static void get_prog_declaration (declaration * dec, defkind dkind, int num);
+static void get_type (const char **prefixp, const char **typep, defkind dkind);
+static void unsigned_dec (const char **typep);
+
+/*
+ * return the next definition you see
+ */
+definition *
+get_definition (void)
+{
+  definition *defp;
+  token tok;
+
+  defp = ALLOC (definition);
+  get_token (&tok);
+  switch (tok.kind)
+    {
+    case TOK_STRUCT:
+      def_struct (defp);
+      break;
+    case TOK_UNION:
+      def_union (defp);
+      break;
+    case TOK_TYPEDEF:
+      def_typedef (defp);
+      break;
+    case TOK_ENUM:
+      def_enum (defp);
+      break;
+    case TOK_PROGRAM:
+      def_program (defp);
+      break;
+    case TOK_CONST:
+      def_const (defp);
+      break;
+    case TOK_EOF:
+      free (defp);
+      return (NULL);
+    default:
+      error ("definition keyword expected");
+    }
+  scan (TOK_SEMICOLON, &tok);
+  isdefined (defp);
+  return (defp);
+}
+
+static void
+isdefined (definition * defp)
+{
+  STOREVAL (&defined, defp);
+}
+
+static void
+def_struct (definition * defp)
+{
+  token tok;
+  declaration dec;
+  decl_list *decls;
+  decl_list **tailp;
+
+  defp->def_kind = DEF_STRUCT;
+
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  tailp = &defp->def.st.decls;
+  do
+    {
+      get_declaration (&dec, DEF_STRUCT);
+      decls = ALLOC (decl_list);
+      decls->decl = dec;
+      *tailp = decls;
+      tailp = &decls->next;
+      scan (TOK_SEMICOLON, &tok);
+      peek (&tok);
+    }
+  while (tok.kind != TOK_RBRACE);
+  get_token (&tok);
+  *tailp = NULL;
+}
+
+static void
+def_program (definition * defp)
+{
+  token tok;
+  declaration dec;
+  decl_list *decls;
+  decl_list **tailp;
+  version_list *vlist;
+  version_list **vtailp;
+  proc_list *plist;
+  proc_list **ptailp;
+  int num_args;
+  int isvoid = 0;	/* whether first argument is void */
+  defp->def_kind = DEF_PROGRAM;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  vtailp = &defp->def.pr.versions;
+  tailp = &defp->def.st.decls;
+  scan (TOK_VERSION, &tok);
+  do
+    {
+      scan (TOK_IDENT, &tok);
+      vlist = ALLOC (version_list);
+      vlist->vers_name = tok.str;
+      scan (TOK_LBRACE, &tok);
+      ptailp = &vlist->procs;
+      do
+	{
+	  /* get result type */
+	  plist = ALLOC (proc_list);
+	  get_type (&plist->res_prefix, &plist->res_type,
+		    DEF_PROGRAM);
+	  if (streq (plist->res_type, "opaque"))
+	    {
+	      error ("illegal result type");
+	    }
+	  scan (TOK_IDENT, &tok);
+	  plist->proc_name = tok.str;
+	  scan (TOK_LPAREN, &tok);
+	  /* get args - first one */
+	  num_args = 1;
+	  isvoid = 0;
+	  /* type of DEF_PROGRAM in the first
+	   * get_prog_declaration and DEF_STURCT in the next
+	   * allows void as argument if it is the only argument
+	   */
+	  get_prog_declaration (&dec, DEF_PROGRAM, num_args);
+	  if (streq (dec.type, "void"))
+	    isvoid = 1;
+	  decls = ALLOC (decl_list);
+	  plist->args.decls = decls;
+	  decls->decl = dec;
+	  tailp = &decls->next;
+	  /* get args */
+	  while (peekscan (TOK_COMMA, &tok))
+	    {
+	      num_args++;
+	      get_prog_declaration (&dec, DEF_STRUCT,
+				    num_args);
+	      decls = ALLOC (decl_list);
+	      decls->decl = dec;
+	      *tailp = decls;
+	      if (streq (dec.type, "void"))
+		isvoid = 1;
+	      tailp = &decls->next;
+	    }
+	  /* multiple arguments are only allowed in newstyle */
+	  if (!newstyle && num_args > 1)
+	    {
+	      error ("only one argument is allowed");
+	    }
+	  if (isvoid && num_args > 1)
+	    {
+	      error ("illegal use of void in program definition");
+	    }
+	  *tailp = NULL;
+	  scan (TOK_RPAREN, &tok);
+	  scan (TOK_EQUAL, &tok);
+	  scan_num (&tok);
+	  scan (TOK_SEMICOLON, &tok);
+	  plist->proc_num = tok.str;
+	  plist->arg_num = num_args;
+	  *ptailp = plist;
+	  ptailp = &plist->next;
+	  peek (&tok);
+	}
+      while (tok.kind != TOK_RBRACE);
+      *ptailp = NULL;
+      *vtailp = vlist;
+      vtailp = &vlist->next;
+      scan (TOK_RBRACE, &tok);
+      scan (TOK_EQUAL, &tok);
+      scan_num (&tok);
+      vlist->vers_num = tok.str;
+      /* make the argument structure name for each arg */
+      for (plist = vlist->procs; plist != NULL;
+	   plist = plist->next)
+	{
+	  plist->args.argname = make_argname (plist->proc_name,
+					      vlist->vers_num);
+	  /* free the memory ?? */
+	}
+      scan (TOK_SEMICOLON, &tok);
+      scan2 (TOK_VERSION, TOK_RBRACE, &tok);
+    }
+  while (tok.kind == TOK_VERSION);
+  scan (TOK_EQUAL, &tok);
+  scan_num (&tok);
+  defp->def.pr.prog_num = tok.str;
+  *vtailp = NULL;
+}
+
+
+static void
+def_enum (definition * defp)
+{
+  token tok;
+  enumval_list *elist;
+  enumval_list **tailp;
+
+  defp->def_kind = DEF_ENUM;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_LBRACE, &tok);
+  tailp = &defp->def.en.vals;
+  do
+    {
+      scan (TOK_IDENT, &tok);
+      elist = ALLOC (enumval_list);
+      elist->name = tok.str;
+      elist->assignment = NULL;
+      scan3 (TOK_COMMA, TOK_RBRACE, TOK_EQUAL, &tok);
+      if (tok.kind == TOK_EQUAL)
+	{
+	  scan_num (&tok);
+	  elist->assignment = tok.str;
+	  scan2 (TOK_COMMA, TOK_RBRACE, &tok);
+	}
+      *tailp = elist;
+      tailp = &elist->next;
+    }
+  while (tok.kind != TOK_RBRACE);
+  *tailp = NULL;
+}
+
+static void
+def_const (definition * defp)
+{
+  token tok;
+
+  defp->def_kind = DEF_CONST;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_EQUAL, &tok);
+  scan2 (TOK_IDENT, TOK_STRCONST, &tok);
+  defp->def.co = tok.str;
+}
+
+static void
+def_union (definition *defp)
+{
+  token tok;
+  declaration dec;
+  case_list *cases;
+/*  case_list *tcase; */
+  case_list **tailp;
+#if 0
+  int flag;
+#endif
+
+  defp->def_kind = DEF_UNION;
+  scan (TOK_IDENT, &tok);
+  defp->def_name = tok.str;
+  scan (TOK_SWITCH, &tok);
+  scan (TOK_LPAREN, &tok);
+  get_declaration (&dec, DEF_UNION);
+  defp->def.un.enum_decl = dec;
+  tailp = &defp->def.un.cases;
+  scan (TOK_RPAREN, &tok);
+  scan (TOK_LBRACE, &tok);
+  scan (TOK_CASE, &tok);
+  while (tok.kind == TOK_CASE)
+    {
+      scan2 (TOK_IDENT, TOK_CHARCONST, &tok);
+      cases = ALLOC (case_list);
+      cases->case_name = tok.str;
+      scan (TOK_COLON, &tok);
+      /* now peek at next token */
+#if 0
+      flag = 0;
+#endif
+      if (peekscan (TOK_CASE, &tok))
+	{
+
+	  do
+	    {
+	      scan2 (TOK_IDENT, TOK_CHARCONST, &tok);
+	      cases->contflag = 1;	/* continued case statement */
+	      *tailp = cases;
+	      tailp = &cases->next;
+	      cases = ALLOC (case_list);
+	      cases->case_name = tok.str;
+	      scan (TOK_COLON, &tok);
+
+	    }
+	  while (peekscan (TOK_CASE, &tok));
+	}
+#if 0
+      else if (flag)
+	{
+
+	  *tailp = cases;
+	  tailp = &cases->next;
+	  cases = ALLOC (case_list);
+	};
+#endif
+
+      get_declaration (&dec, DEF_UNION);
+      cases->case_decl = dec;
+      cases->contflag = 0;	/* no continued case statement */
+      *tailp = cases;
+      tailp = &cases->next;
+      scan (TOK_SEMICOLON, &tok);
+
+      scan3 (TOK_CASE, TOK_DEFAULT, TOK_RBRACE, &tok);
+    }
+  *tailp = NULL;
+  if (tok.kind == TOK_DEFAULT)
+    {
+      scan (TOK_COLON, &tok);
+      get_declaration (&dec, DEF_UNION);
+      defp->def.un.default_decl = ALLOC (declaration);
+      *defp->def.un.default_decl = dec;
+      scan (TOK_SEMICOLON, &tok);
+      scan (TOK_RBRACE, &tok);
+    }
+  else
+    {
+      defp->def.un.default_decl = NULL;
+    }
+}
+
+static const char *reserved_words[] =
+{
+  "array",
+  "bytes",
+  "destroy",
+  "free",
+  "getpos",
+  "inline",
+  "pointer",
+  "reference",
+  "setpos",
+  "sizeof",
+  "union",
+  "vector",
+  NULL
+};
+
+static const char *reserved_types[] =
+{
+  "opaque",
+  "string",
+  NULL
+};
+
+/*
+ * check that the given name is not one that would eventually result in
+ * xdr routines that would conflict with internal XDR routines.
+ */
+static void
+check_type_name (const char *name, int new_type)
+{
+  int i;
+  char tmp[100];
+
+  for (i = 0; reserved_words[i] != NULL; i++)
+    {
+      if (strcmp (name, reserved_words[i]) == 0)
+	{
+	  sprintf (tmp,
+		"illegal (reserved) name :\'%s\' in type definition", name);
+	  error (tmp);
+	}
+    }
+  if (new_type)
+    {
+      for (i = 0; reserved_types[i] != NULL; i++)
+	{
+	  if (strcmp (name, reserved_types[i]) == 0)
+	    {
+	      sprintf (tmp,
+		"illegal (reserved) name :\'%s\' in type definition", name);
+	      error (tmp);
+	    }
+	}
+    }
+}
+
+
+
+static void
+def_typedef (definition * defp)
+{
+  declaration dec;
+
+  defp->def_kind = DEF_TYPEDEF;
+  get_declaration (&dec, DEF_TYPEDEF);
+  defp->def_name = dec.name;
+  check_type_name (dec.name, 1);
+  defp->def.ty.old_prefix = dec.prefix;
+  defp->def.ty.old_type = dec.type;
+  defp->def.ty.rel = dec.rel;
+  defp->def.ty.array_max = dec.array_max;
+}
+
+static void
+get_declaration (declaration * dec, defkind dkind)
+{
+  token tok;
+
+  get_type (&dec->prefix, &dec->type, dkind);
+  dec->rel = REL_ALIAS;
+  if (streq (dec->type, "void"))
+    {
+      return;
+    }
+
+  check_type_name (dec->type, 0);
+
+  scan2 (TOK_STAR, TOK_IDENT, &tok);
+  if (tok.kind == TOK_STAR)
+    {
+      dec->rel = REL_POINTER;
+      scan (TOK_IDENT, &tok);
+    }
+  dec->name = tok.str;
+  if (peekscan (TOK_LBRACKET, &tok))
+    {
+      if (dec->rel == REL_POINTER)
+	{
+	  error ("no array-of-pointer declarations -- use typedef");
+	}
+      dec->rel = REL_VECTOR;
+      scan_num (&tok);
+      dec->array_max = tok.str;
+      scan (TOK_RBRACKET, &tok);
+    }
+  else if (peekscan (TOK_LANGLE, &tok))
+    {
+      if (dec->rel == REL_POINTER)
+	{
+	  error ("no array-of-pointer declarations -- use typedef");
+	}
+      dec->rel = REL_ARRAY;
+      if (peekscan (TOK_RANGLE, &tok))
+	{
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+      else
+	{
+	  scan_num (&tok);
+	  dec->array_max = tok.str;
+	  scan (TOK_RANGLE, &tok);
+	}
+    }
+  if (streq (dec->type, "opaque"))
+    {
+      if (dec->rel != REL_ARRAY && dec->rel != REL_VECTOR)
+	{
+	  error ("array declaration expected");
+	}
+    }
+  else if (streq (dec->type, "string"))
+    {
+      if (dec->rel != REL_ARRAY)
+	{
+	  error ("variable-length array declaration expected");
+	}
+    }
+}
+
+static void
+get_prog_declaration (declaration * dec, defkind dkind, int num /* arg number */ )
+{
+  token tok;
+  char name[MAXLINESIZE];		/* argument name */
+
+  if (dkind == DEF_PROGRAM)
+    {
+      peek (&tok);
+      if (tok.kind == TOK_RPAREN)
+	{			/* no arguments */
+	  dec->rel = REL_ALIAS;
+	  dec->type = "void";
+	  dec->prefix = NULL;
+	  dec->name = NULL;
+	  return;
+	}
+    }
+  get_type (&dec->prefix, &dec->type, dkind);
+  dec->rel = REL_ALIAS;
+  if (peekscan (TOK_IDENT, &tok))	/* optional name of argument */
+    strcpy (name, tok.str);
+  else
+    sprintf (name, "%s%d", ARGNAME, num);	/* default name of argument */
+
+  dec->name = (char *) strdup (name);
+
+  if (streq (dec->type, "void"))
+    {
+      return;
+    }
+
+  if (streq (dec->type, "opaque"))
+    {
+      error ("opaque -- illegal argument type");
+    }
+  if (peekscan (TOK_STAR, &tok))
+    {
+      if (streq (dec->type, "string"))
+	{
+	  error ("pointer to string not allowed in program arguments\n");
+	}
+      dec->rel = REL_POINTER;
+      if (peekscan (TOK_IDENT, &tok))	/* optional name of argument */
+	dec->name = strdup (tok.str);
+    }
+  if (peekscan (TOK_LANGLE, &tok))
+    {
+      if (!streq (dec->type, "string"))
+	{
+	  error ("arrays cannot be declared as arguments to procedures -- use typedef");
+	}
+      dec->rel = REL_ARRAY;
+      if (peekscan (TOK_RANGLE, &tok))
+	{
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+      else
+	{
+	  scan_num (&tok);
+	  dec->array_max = tok.str;
+	  scan (TOK_RANGLE, &tok);
+	}
+    }
+  if (streq (dec->type, "string"))
+    {
+      if (dec->rel != REL_ARRAY)
+	{			/* .x specifies just string as
+				 * type of argument
+				 * - make it string<>
+				 */
+	  dec->rel = REL_ARRAY;
+	  dec->array_max = "~0";	/* unspecified size, use max */
+	}
+    }
+}
+
+static void
+get_type (const char **prefixp, const char **typep, defkind dkind)
+{
+  token tok;
+
+  *prefixp = NULL;
+  get_token (&tok);
+  switch (tok.kind)
+    {
+    case TOK_IDENT:
+      *typep = tok.str;
+      break;
+    case TOK_STRUCT:
+    case TOK_ENUM:
+    case TOK_UNION:
+      *prefixp = tok.str;
+      scan (TOK_IDENT, &tok);
+      *typep = tok.str;
+      break;
+    case TOK_UNSIGNED:
+      unsigned_dec (typep);
+      break;
+    case TOK_SHORT:
+      *typep = "short";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_LONG:
+      *typep = "long";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_HYPER:
+      *typep = "quad_t";
+      (void) peekscan(TOK_INT, &tok);
+      break;
+    case TOK_VOID:
+      if (dkind != DEF_UNION && dkind != DEF_PROGRAM)
+	{
+	  error ("voids allowed only inside union and program definitions with one argument");
+	}
+      *typep = tok.str;
+      break;
+    case TOK_STRING:
+    case TOK_OPAQUE:
+    case TOK_CHAR:
+    case TOK_INT:
+    case TOK_FLOAT:
+    case TOK_DOUBLE:
+    case TOK_BOOL:
+      *typep = tok.str;
+      break;
+    default:
+      error ("expected type specifier");
+    }
+}
+
+static void
+unsigned_dec (const char **typep)
+{
+  token tok;
+
+  peek (&tok);
+  switch (tok.kind)
+    {
+    case TOK_CHAR:
+      get_token (&tok);
+      *typep = "u_char";
+      break;
+    case TOK_SHORT:
+      get_token (&tok);
+      *typep = "u_short";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_LONG:
+      get_token (&tok);
+      *typep = "u_long";
+      (void) peekscan (TOK_INT, &tok);
+      break;
+    case TOK_HYPER:
+      get_token (&tok);
+      *typep = "u_quad_t";
+      (void) peekscan(TOK_INT, &tok);
+      break;
+    case TOK_INT:
+      get_token (&tok);
+      *typep = "u_int";
+      break;
+    default:
+      *typep = "u_int";
+      break;
+    }
+}