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1.2 ! deraadt 1: /* $OpenBSD: rpc_hout.c,v 1.4 1995/06/11 21:49:55 pk Exp $ */
1.1 deraadt 2: /* $NetBSD: rpc_hout.c,v 1.4 1995/06/11 21:49:55 pk Exp $ */
3: /*
4: * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
5: * unrestricted use provided that this legend is included on all tape
6: * media and as a part of the software program in whole or part. Users
7: * may copy or modify Sun RPC without charge, but are not authorized
8: * to license or distribute it to anyone else except as part of a product or
9: * program developed by the user or with the express written consent of
10: * Sun Microsystems, Inc.
11: *
12: * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
13: * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
14: * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
15: *
16: * Sun RPC is provided with no support and without any obligation on the
17: * part of Sun Microsystems, Inc. to assist in its use, correction,
18: * modification or enhancement.
19: *
20: * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
21: * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
22: * OR ANY PART THEREOF.
23: *
24: * In no event will Sun Microsystems, Inc. be liable for any lost revenue
25: * or profits or other special, indirect and consequential damages, even if
26: * Sun has been advised of the possibility of such damages.
27: *
28: * Sun Microsystems, Inc.
29: * 2550 Garcia Avenue
30: * Mountain View, California 94043
31: */
32:
33: #ifndef lint
34: static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI";
35: #endif
36:
37: /*
38: * rpc_hout.c, Header file outputter for the RPC protocol compiler
39: */
40: #include <sys/cdefs.h>
41: #include <stdio.h>
42: #include <ctype.h>
43: #include "rpc_parse.h"
44: #include "rpc_util.h"
45:
46: static pconstdef __P((definition *));
47: static pargdef __P((definition *));
48: static pstructdef __P((definition *));
49: static puniondef __P((definition *));
50: static pprogramdef __P((definition *));
51: static penumdef __P((definition *));
52: static ptypedef __P((definition *));
53: static pdefine __P((char *, char *));
54: static puldefine __P((char *, char *));
55: static define_printed __P((proc_list *, version_list *));
56: static undefined2 __P((char *, char *));
57: static parglist __P((proc_list *, char *));
58:
59: /*
60: * Print the C-version of an xdr definition
61: */
62: void
63: print_datadef(def)
64: definition *def;
65: {
66:
67: if (def->def_kind == DEF_PROGRAM ) /* handle data only */
68: return;
69:
70: if (def->def_kind != DEF_CONST) {
71: f_print(fout, "\n");
72: }
73: switch (def->def_kind) {
74: case DEF_STRUCT:
75: pstructdef(def);
76: break;
77: case DEF_UNION:
78: puniondef(def);
79: break;
80: case DEF_ENUM:
81: penumdef(def);
82: break;
83: case DEF_TYPEDEF:
84: ptypedef(def);
85: break;
86: case DEF_PROGRAM:
87: pprogramdef(def);
88: break;
89: case DEF_CONST:
90: pconstdef(def);
91: break;
92: }
93: if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) {
94: pxdrfuncdecl( def->def_name,
95: def->def_kind != DEF_TYPEDEF ||
96: !isvectordef(def->def.ty.old_type, def->def.ty.rel));
97:
98: }
99: }
100:
101:
102: void
103: print_funcdef(def)
104: definition *def;
105: {
106: switch (def->def_kind) {
107: case DEF_PROGRAM:
108: f_print(fout, "\n");
109: pprogramdef(def);
110: break;
111: }
112: }
113:
114: pxdrfuncdecl( name, pointerp )
115: char* name;
116: int pointerp;
117: {
118:
119: f_print(fout,"#ifdef __cplusplus \n");
120: f_print(fout, "extern \"C\" bool_t xdr_%s(XDR *, %s%s);\n",
121: name,
122: name, pointerp ? ("*") : "");
123: f_print(fout,"#elif __STDC__ \n");
124: f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n",
125: name,
126: name, pointerp ? ("*") : "");
127: f_print(fout,"#else /* Old Style C */ \n");
128: f_print(fout, "bool_t xdr_%s();\n", name);
129: f_print(fout,"#endif /* Old Style C */ \n\n");
130: }
131:
132:
133: static
134: pconstdef(def)
135: definition *def;
136: {
137: pdefine(def->def_name, def->def.co);
138: }
139:
140: /* print out the definitions for the arguments of functions in the
141: header file
142: */
143: static
144: pargdef(def)
145: definition *def;
146: {
147: decl_list *l;
148: version_list *vers;
149: char *name;
150: proc_list *plist;
151:
152:
153: for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
154: for(plist = vers->procs; plist != NULL;
155: plist = plist->next) {
156:
157: if (!newstyle || plist->arg_num < 2) {
158: continue; /* old style or single args */
159: }
160: name = plist->args.argname;
161: f_print(fout, "struct %s {\n", name);
162: for (l = plist->args.decls;
163: l != NULL; l = l->next) {
164: pdeclaration(name, &l->decl, 1, ";\n" );
165: }
166: f_print(fout, "};\n");
167: f_print(fout, "typedef struct %s %s;\n", name, name);
168: pxdrfuncdecl( name,NULL );
169: f_print( fout, "\n" );
170: }
171: }
172:
173: }
174:
175:
176: static
177: pstructdef(def)
178: definition *def;
179: {
180: decl_list *l;
181: char *name = def->def_name;
182:
183: f_print(fout, "struct %s {\n", name);
184: for (l = def->def.st.decls; l != NULL; l = l->next) {
185: pdeclaration(name, &l->decl, 1, ";\n");
186: }
187: f_print(fout, "};\n");
188: f_print(fout, "typedef struct %s %s;\n", name, name);
189: }
190:
191: static
192: puniondef(def)
193: definition *def;
194: {
195: case_list *l;
196: char *name = def->def_name;
197: declaration *decl;
198:
199: f_print(fout, "struct %s {\n", name);
200: decl = &def->def.un.enum_decl;
201: if (streq(decl->type, "bool")) {
202: f_print(fout, "\tbool_t %s;\n", decl->name);
203: } else {
204: f_print(fout, "\t%s %s;\n", decl->type, decl->name);
205: }
206: f_print(fout, "\tunion {\n");
207: for (l = def->def.un.cases; l != NULL; l = l->next) {
208: if(l->contflag == 0)
209: pdeclaration(name, &l->case_decl, 2, ";\n" );
210: }
211: decl = def->def.un.default_decl;
212: if (decl && !streq(decl->type, "void")) {
213: pdeclaration(name, decl, 2, ";\n" );
214: }
215: f_print(fout, "\t} %s_u;\n", name);
216: f_print(fout, "};\n");
217: f_print(fout, "typedef struct %s %s;\n", name, name);
218: }
219:
220: static
221: pdefine(name, num)
222: char *name;
223: char *num;
224: {
225: f_print(fout, "#define %s %s\n", name, num);
226: }
227:
228: static
229: puldefine(name, num)
230: char *name;
231: char *num;
232: {
233: f_print(fout, "#define %s ((u_long)%s)\n", name, num);
234: }
235:
236: static
237: define_printed(stop, start)
238: proc_list *stop;
239: version_list *start;
240: {
241: version_list *vers;
242: proc_list *proc;
243:
244: for (vers = start; vers != NULL; vers = vers->next) {
245: for (proc = vers->procs; proc != NULL; proc = proc->next) {
246: if (proc == stop) {
247: return (0);
248: } else if (streq(proc->proc_name, stop->proc_name)) {
249: return (1);
250: }
251: }
252: }
253: abort();
254: /* NOTREACHED */
255: }
256:
257: static
258: pprogramdef(def)
259: definition *def;
260: {
261: version_list *vers;
262: proc_list *proc;
263: int i;
264: char *ext;
265:
266: pargdef(def);
267:
268: puldefine(def->def_name, def->def.pr.prog_num);
269: for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
270: if (tblflag) {
271: f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n",
272: locase(def->def_name), vers->vers_num);
273: f_print(fout, "extern %s_%s_nproc;\n",
274: locase(def->def_name), vers->vers_num);
275: }
276: puldefine(vers->vers_name, vers->vers_num);
277:
278: /*
279: * Print out 3 definitions, one for ANSI-C, another for C++,
280: * a third for old style C
281: */
282:
283: for(i=0;i<3;i++){
284: if(i==0){
285: f_print(fout,"\n#ifdef __cplusplus\n");
286: ext="extern \"C\" ";
287: }else if ( i== 1){
288: f_print(fout,"\n#elif __STDC__\n");
289: ext="extern " ;
290: }else{
291: f_print(fout,"\n#else /* Old Style C */ \n");
292: ext="extern ";
293: }
294:
295:
296: for (proc = vers->procs; proc != NULL; proc = proc->next) {
297: if (!define_printed(proc, def->def.pr.versions)) {
298: puldefine(proc->proc_name, proc->proc_num);
299: }
300: f_print(fout,"%s",ext);
301: pprocdef(proc, vers, "CLIENT *", 0,i);
302: f_print(fout,"%s",ext);
303: pprocdef(proc, vers, "struct svc_req *", 1,i);
304:
305: }
306:
307: }
308: f_print(fout,"#endif /* Old Style C */ \n");
309: }
310: }
311:
312: pprocdef(proc, vp, addargtype, server_p,mode)
313: proc_list *proc;
314: version_list *vp;
315: char* addargtype;
316: int server_p;
317: int mode;
318: {
319:
320: ptype( proc->res_prefix, proc->res_type, 1 );
321: f_print( fout, "* " );
322: if( server_p )
323: pvname_svc(proc->proc_name, vp->vers_num);
324: else
325: pvname(proc->proc_name, vp->vers_num);
326:
327: /*
328: * mode 0 == cplusplus, mode 1 = ANSI-C, mode 2 = old style C
329: */
330: if(mode == 0 || mode ==1)
331: parglist( proc, addargtype );
332: else
333: f_print(fout, "();\n");
334: }
335:
336:
337: /* print out argument list of procedure */
338: static
339: parglist(proc, addargtype)
340: proc_list *proc;
341: char* addargtype;
342: {
343: decl_list *dl;
344:
345: f_print(fout,"(");
346:
347: if( proc->arg_num < 2 && newstyle &&
348: streq( proc->args.decls->decl.type, "void")) {
349: /* 0 argument in new style: do nothing */
350: } else {
351: for (dl = proc->args.decls; dl != NULL; dl = dl->next) {
352: ptype( dl->decl.prefix, dl->decl.type, 1 );
353: if( !newstyle )
354: f_print( fout, "*" ); /* old style passes by reference */
355:
356: f_print( fout, ", " );
357: }
358: }
359:
360: f_print(fout, "%s);\n", addargtype);
361: }
362:
363: static
364: penumdef(def)
365: definition *def;
366: {
367: char *name = def->def_name;
368: enumval_list *l;
369: char *last = NULL;
370: int count = 0;
371:
372: f_print(fout, "enum %s {\n", name);
373: for (l = def->def.en.vals; l != NULL; l = l->next) {
374: f_print(fout, "\t%s", l->name);
375: if (l->assignment) {
376: f_print(fout, " = %s", l->assignment);
377: last = l->assignment;
378: count = 1;
379: } else {
380: if (last == NULL) {
381: f_print(fout, " = %d", count++);
382: } else {
383: f_print(fout, " = %s + %d", last, count++);
384: }
385: }
386: f_print(fout, ",\n");
387: }
388: f_print(fout, "};\n");
389: f_print(fout, "typedef enum %s %s;\n", name, name);
390: }
391:
392: static
393: ptypedef(def)
394: definition *def;
395: {
396: char *name = def->def_name;
397: char *old = def->def.ty.old_type;
398: char prefix[8]; /* enough to contain "struct ", including NUL */
399: relation rel = def->def.ty.rel;
400:
401:
402: if (!streq(name, old)) {
403: if (streq(old, "string")) {
404: old = "char";
405: rel = REL_POINTER;
406: } else if (streq(old, "opaque")) {
407: old = "char";
408: } else if (streq(old, "bool")) {
409: old = "bool_t";
410: }
411: if (undefined2(old, name) && def->def.ty.old_prefix) {
412: s_print(prefix, "%s ", def->def.ty.old_prefix);
413: } else {
414: prefix[0] = 0;
415: }
416: f_print(fout, "typedef ");
417: switch (rel) {
418: case REL_ARRAY:
419: f_print(fout, "struct {\n");
420: f_print(fout, "\tu_int %s_len;\n", name);
421: f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name);
422: f_print(fout, "} %s", name);
423: break;
424: case REL_POINTER:
425: f_print(fout, "%s%s *%s", prefix, old, name);
426: break;
427: case REL_VECTOR:
428: f_print(fout, "%s%s %s[%s]", prefix, old, name,
429: def->def.ty.array_max);
430: break;
431: case REL_ALIAS:
432: f_print(fout, "%s%s %s", prefix, old, name);
433: break;
434: }
435: f_print(fout, ";\n");
436: }
437: }
438:
439: pdeclaration(name, dec, tab, separator)
440: char *name;
441: declaration *dec;
442: int tab;
443: char *separator;
444: {
445: char buf[8]; /* enough to hold "struct ", include NUL */
446: char *prefix;
447: char *type;
448:
449: if (streq(dec->type, "void")) {
450: return;
451: }
452: tabify(fout, tab);
453: if (streq(dec->type, name) && !dec->prefix) {
454: f_print(fout, "struct ");
455: }
456: if (streq(dec->type, "string")) {
457: f_print(fout, "char *%s", dec->name);
458: } else {
459: prefix = "";
460: if (streq(dec->type, "bool")) {
461: type = "bool_t";
462: } else if (streq(dec->type, "opaque")) {
463: type = "char";
464: } else {
465: if (dec->prefix) {
466: s_print(buf, "%s ", dec->prefix);
467: prefix = buf;
468: }
469: type = dec->type;
470: }
471: switch (dec->rel) {
472: case REL_ALIAS:
473: f_print(fout, "%s%s %s", prefix, type, dec->name);
474: break;
475: case REL_VECTOR:
476: f_print(fout, "%s%s %s[%s]", prefix, type, dec->name,
477: dec->array_max);
478: break;
479: case REL_POINTER:
480: f_print(fout, "%s%s *%s", prefix, type, dec->name);
481: break;
482: case REL_ARRAY:
483: f_print(fout, "struct {\n");
484: tabify(fout, tab);
485: f_print(fout, "\tu_int %s_len;\n", dec->name);
486: tabify(fout, tab);
487: f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
488: tabify(fout, tab);
489: f_print(fout, "} %s", dec->name);
490: break;
491: }
492: }
493: f_print(fout, separator );
494: }
495:
496: static
497: undefined2(type, stop)
498: char *type;
499: char *stop;
500: {
501: list *l;
502: definition *def;
503:
504: for (l = defined; l != NULL; l = l->next) {
505: def = (definition *) l->val;
506: if (def->def_kind != DEF_PROGRAM) {
507: if (streq(def->def_name, stop)) {
508: return (1);
509: } else if (streq(def->def_name, type)) {
510: return (0);
511: }
512: }
513: }
514: return (1);
515: }