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-rw-r--r--tools/rpcgen/rpc_util.c525
1 files changed, 525 insertions, 0 deletions
diff --git a/tools/rpcgen/rpc_util.c b/tools/rpcgen/rpc_util.c
new file mode 100644
index 0000000..52aa697
--- /dev/null
+++ b/tools/rpcgen/rpc_util.c
@@ -0,0 +1,525 @@
+/*
+ * From: @(#)rpc_util.c 1.11 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_util.c, Utility routines for the RPC protocol compiler
+ */
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+#include "rpc_scan.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define ARGEXT "argument"
+
+char curline[MAXLINESIZE]; /* current read line */
+const char *where = curline; /* current point in line */
+int linenum = 0; /* current line number */
+
+const char *infilename; /* input filename */
+
+#define NFILES 7
+const char *outfiles[NFILES]; /* output file names */
+int nfiles;
+
+FILE *fout; /* file pointer of current output */
+FILE *fin; /* file pointer of current input */
+
+list *defined; /* list of defined things */
+
+static int findit (const definition * def, const char *type);
+static const char *fixit (const char *type, const char *orig);
+static int typedefed (const definition * def, const char *type);
+static const char *toktostr (tok_kind kind);
+static void printbuf (void);
+static void printwhere (void);
+
+/*
+ * Reinitialize the world
+ */
+void
+reinitialize (void)
+{
+ memset (curline, 0, MAXLINESIZE);
+ where = curline;
+ linenum = 0;
+ defined = NULL;
+}
+
+/*
+ * string equality
+ */
+int
+streq (const char *a, const char *b)
+{
+ return strcmp (a, b) == 0;
+}
+
+/*
+ * find a value in a list
+ */
+definition *
+findval (list *lst, const char *val,
+ int (*cmp) (const definition *, const char *))
+{
+
+ for (; lst != NULL; lst = lst->next)
+ {
+ if (cmp (lst->val, val))
+ {
+ return lst->val;
+ }
+ }
+ return NULL;
+}
+
+/*
+ * store a value in a list
+ */
+void
+storeval (list **lstp, definition *val)
+{
+ list **l;
+ list *lst;
+
+
+ for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
+ lst = ALLOC (list);
+ lst->val = val;
+ lst->next = NULL;
+ *l = lst;
+}
+
+static int
+findit (const definition * def, const char *type)
+{
+ return streq (def->def_name, type);
+}
+
+static const char *
+fixit (const char *type, const char *orig)
+{
+ definition *def;
+
+ def = findval (defined, type, findit);
+ if (def == NULL || def->def_kind != DEF_TYPEDEF)
+ {
+ return orig;
+ }
+ switch (def->def.ty.rel)
+ {
+ case REL_VECTOR:
+ if (streq (def->def.ty.old_type, "opaque"))
+ return ("char");
+ else
+ return (def->def.ty.old_type);
+ case REL_ALIAS:
+ return (fixit (def->def.ty.old_type, orig));
+ default:
+ return orig;
+ }
+}
+
+const char *
+fixtype (const char *type)
+{
+ return fixit (type, type);
+}
+
+const char *
+stringfix (const char *type)
+{
+ if (streq (type, "string"))
+ {
+ return "wrapstring";
+ }
+ else
+ {
+ return type;
+ }
+}
+
+void
+ptype (const char *prefix, const char *type, int follow)
+{
+ if (prefix != NULL)
+ {
+ if (streq (prefix, "enum"))
+ {
+ f_print (fout, "enum ");
+ }
+ else
+ {
+ f_print (fout, "struct ");
+ }
+ }
+ if (streq (type, "bool"))
+ {
+ f_print (fout, "bool_t ");
+ }
+ else if (streq (type, "string"))
+ {
+ f_print (fout, "char *");
+ }
+ else
+ {
+ f_print (fout, "%s ", follow ? fixtype (type) : type);
+ }
+}
+
+static int
+typedefed (const definition * def, const char *type)
+{
+ if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL)
+ {
+ return 0;
+ }
+ else
+ {
+ return streq (def->def_name, type);
+ }
+}
+
+int
+isvectordef (const char *type, relation rel)
+{
+ definition *def;
+
+ for (;;)
+ {
+ switch (rel)
+ {
+ case REL_VECTOR:
+ return !streq (type, "string");
+ case REL_ARRAY:
+ return 0;
+ case REL_POINTER:
+ return 0;
+ case REL_ALIAS:
+ def = findval (defined, type, typedefed);
+ if (def == NULL)
+ {
+ return 0;
+ }
+ type = def->def.ty.old_type;
+ rel = def->def.ty.rel;
+ }
+ }
+}
+
+char *
+locase (const char *str)
+{
+ char c;
+ static char buf[100];
+ char *p = buf;
+
+ while ((c = *str++) != 0)
+ {
+ *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
+ }
+ *p = 0;
+ return buf;
+}
+
+void
+pvname_svc (const char *pname, const char *vnum)
+{
+ f_print (fout, "%s_%s_svc", locase (pname), vnum);
+}
+
+void
+pvname (const char *pname, const char *vnum)
+{
+ f_print (fout, "%s_%s", locase (pname), vnum);
+}
+
+/*
+ * print a useful (?) error message, and then die
+ */
+void
+error (const char *msg)
+{
+ printwhere ();
+ f_print (stderr, "%s, line %d: ", infilename, linenum);
+ f_print (stderr, "%s\n", msg);
+ crash ();
+}
+
+/*
+ * Something went wrong, unlink any files that we may have created and then
+ * die.
+ */
+void
+crash (void)
+{
+ int i;
+
+ for (i = 0; i < nfiles; i++)
+ {
+ unlink (outfiles[i]);
+ }
+ exit (1);
+}
+
+void
+record_open (const char *file)
+{
+ if (nfiles < NFILES)
+ {
+ outfiles[nfiles++] = file;
+ }
+ else
+ {
+ f_print (stderr, "too many files!\n");
+ crash ();
+ }
+}
+
+static char expectbuf[100];
+
+/*
+ * error, token encountered was not the expected one
+ */
+void
+expected1 (tok_kind exp1)
+{
+ s_print (expectbuf, "expected '%s'",
+ toktostr (exp1));
+ error (expectbuf);
+}
+
+/*
+ * error, token encountered was not one of two expected ones
+ */
+void
+expected2 (tok_kind exp1, tok_kind exp2)
+{
+ s_print (expectbuf, "expected '%s' or '%s'",
+ toktostr (exp1),
+ toktostr (exp2));
+ error (expectbuf);
+}
+
+/*
+ * error, token encountered was not one of 3 expected ones
+ */
+void
+expected3 (tok_kind exp1, tok_kind exp2, tok_kind exp3)
+{
+ s_print (expectbuf, "expected '%s', '%s' or '%s'",
+ toktostr (exp1),
+ toktostr (exp2),
+ toktostr (exp3));
+ error (expectbuf);
+}
+
+void
+tabify (FILE * f, int tab)
+{
+ while (tab--)
+ {
+ (void) fputc ('\t', f);
+ }
+}
+
+
+static const token tokstrings[] =
+{
+ {TOK_IDENT, "identifier"},
+ {TOK_CONST, "const"},
+ {TOK_RPAREN, ")"},
+ {TOK_LPAREN, "("},
+ {TOK_RBRACE, "}"},
+ {TOK_LBRACE, "{"},
+ {TOK_LBRACKET, "["},
+ {TOK_RBRACKET, "]"},
+ {TOK_STAR, "*"},
+ {TOK_COMMA, ","},
+ {TOK_EQUAL, "="},
+ {TOK_COLON, ":"},
+ {TOK_SEMICOLON, ";"},
+ {TOK_UNION, "union"},
+ {TOK_STRUCT, "struct"},
+ {TOK_SWITCH, "switch"},
+ {TOK_CASE, "case"},
+ {TOK_DEFAULT, "default"},
+ {TOK_ENUM, "enum"},
+ {TOK_TYPEDEF, "typedef"},
+ {TOK_INT, "int"},
+ {TOK_SHORT, "short"},
+ {TOK_LONG, "long"},
+ {TOK_UNSIGNED, "unsigned"},
+ {TOK_DOUBLE, "double"},
+ {TOK_FLOAT, "float"},
+ {TOK_CHAR, "char"},
+ {TOK_STRING, "string"},
+ {TOK_OPAQUE, "opaque"},
+ {TOK_BOOL, "bool"},
+ {TOK_VOID, "void"},
+ {TOK_PROGRAM, "program"},
+ {TOK_VERSION, "version"},
+ {TOK_EOF, "??????"}
+};
+
+static const char *
+toktostr (tok_kind kind)
+{
+ const token *sp;
+
+ for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
+ return sp->str;
+}
+
+static void
+printbuf (void)
+{
+ char c;
+ int i;
+ int cnt;
+
+#define TABSIZE 4
+
+ for (i = 0; (c = curline[i]) != 0; i++)
+ {
+ if (c == '\t')
+ {
+ cnt = 8 - (i % TABSIZE);
+ c = ' ';
+ }
+ else
+ {
+ cnt = 1;
+ }
+ while (cnt--)
+ {
+ (void) fputc (c, stderr);
+ }
+ }
+}
+
+static void
+printwhere (void)
+{
+ int i;
+ char c;
+ int cnt;
+
+ printbuf ();
+ for (i = 0; i < where - curline; i++)
+ {
+ c = curline[i];
+ if (c == '\t')
+ {
+ cnt = 8 - (i % TABSIZE);
+ }
+ else
+ {
+ cnt = 1;
+ }
+ while (cnt--)
+ {
+ (void) fputc ('^', stderr);
+ }
+ }
+ (void) fputc ('\n', stderr);
+}
+
+char *
+make_argname (const char *pname, const char *vname)
+{
+ char *name;
+
+ name = malloc (strlen (pname) + strlen (vname) + strlen (ARGEXT) + 3);
+ if (!name)
+ {
+ fprintf (stderr, "failed in malloc");
+ exit (1);
+ }
+ sprintf (name, "%s_%s_%s", locase (pname), vname, ARGEXT);
+ return name;
+}
+
+bas_type *typ_list_h;
+bas_type *typ_list_t;
+
+void
+add_type (int len, const char *type)
+{
+ bas_type *ptr;
+
+
+ if ((ptr = malloc (sizeof (bas_type))) == NULL)
+ {
+ fprintf (stderr, "failed in malloc");
+ exit (1);
+ }
+
+ ptr->name = type;
+ ptr->length = len;
+ ptr->next = NULL;
+ if (typ_list_t == NULL)
+ {
+
+ typ_list_t = ptr;
+ typ_list_h = ptr;
+ }
+ else
+ {
+
+ typ_list_t->next = ptr;
+ typ_list_t = ptr;
+ }
+
+}
+
+
+bas_type *
+find_type (const char *type)
+{
+ bas_type *ptr;
+
+ ptr = typ_list_h;
+
+
+ while (ptr != NULL)
+ {
+ if (strcmp (ptr->name, type) == 0)
+ return ptr;
+ else
+ ptr = ptr->next;
+ };
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-01 21:43:16 +0000