3 * Sub-Lexical Analyzer for macro invokation in
4 * the Aic7xxx SCSI Host adapter sequencer assembler.
6 * Copyright (c) 2001 Adaptec Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions, and the following disclaimer,
14 * without modification.
15 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
16 * substantially similar to the "NO WARRANTY" disclaimer below
17 * ("Disclaimer") and any redistribution must be conditioned upon
18 * including a substantially similar Disclaimer requirement for further
19 * binary redistribution.
20 * 3. Neither the names of the above-listed copyright holders nor the names
21 * of any contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
24 * Alternatively, this software may be distributed under the terms of the
25 * GNU General Public License ("GPL") version 2 as published by the Free
26 * Software Foundation.
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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39 * POSSIBILITY OF SUCH DAMAGES.
41 * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_macro_scan.l#8 $
43 * $FreeBSD: src/sys/dev/aic7xxx/aicasm/aicasm_macro_scan.l,v 1.5 2003/12/16 23:54:07 gibbs Exp $
44 * $DragonFly: src/sys/dev/disk/aic7xxx/aicasm/aicasm_macro_scan.l,v 1.5 2007/07/05 05:41:50 pavalos Exp $
47 #include <sys/types.h>
58 #include <sys/queue.h>
62 #include "aicasm_symbol.h"
63 #include "aicasm_macro_gram.h"
65 #define MAX_STR_CONST 4096
66 static char string_buf[MAX_STR_CONST];
67 static char *string_buf_ptr;
68 static int parren_count;
69 static char msgbuf[255];
71 extern int mmlex(void);
74 WORD [A-Za-z_][-A-Za-z_0-9]*
88 if (parren_count == 1) {
89 string_buf_ptr = string_buf;
92 *string_buf_ptr++ = '(';
95 if (parren_count == 1) {
96 if (string_buf_ptr != string_buf) {
98 * Return an argument and
99 * rescan this parren so we
100 * can return it as well.
102 *string_buf_ptr = '\0';
103 mmlval.str = string_buf;
104 string_buf_ptr = string_buf;
112 *string_buf_ptr++ = ')';
119 *string_buf_ptr++ = *yptr++;
122 if (string_buf_ptr != string_buf) {
124 * Return an argument and
125 * rescan this comma so we
126 * can return it as well.
128 *string_buf_ptr = '\0';
129 mmlval.str = string_buf;
130 string_buf_ptr = string_buf;
137 /* May be a symbol or a macro invocation. */
138 mmlval.sym = symtable_get(mmtext);
139 if (mmlval.sym->type != MACRO) {
140 stop("Expecting Macro Name",
149 snprintf(msgbuf, sizeof(msgbuf), "Invalid character "
151 stop(msgbuf, EX_DATAERR);
158 stop("EOF encountered in macro call", EX_DATAERR);