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)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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41 * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_macro_scan.l#7 $
43 * $FreeBSD: src/sys/dev/aic7xxx/aicasm/aicasm_macro_scan.l,v 1.1.2.3 2002/09/27 15:46:28 gibbs Exp $
44 * $DragonFly: src/sys/dev/disk/aic7xxx/aicasm/aicasm_macro_scan.l,v 1.4 2006/04/22 16:15:26 dillon 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]*
87 if (parren_count == 1) {
88 string_buf_ptr = string_buf;
91 *string_buf_ptr++ = '(';
94 if (parren_count == 1) {
95 if (string_buf_ptr != string_buf) {
97 * Return an argument and
98 * rescan this parren so we
99 * can return it as well.
101 *string_buf_ptr = '\0';
102 mmlval.str = string_buf;
103 string_buf_ptr = string_buf;
111 *string_buf_ptr++ = ')';
118 *string_buf_ptr++ = *yptr++;
121 if (string_buf_ptr != string_buf) {
123 * Return an argument and
124 * rescan this comma so we
125 * can return it as well.
127 *string_buf_ptr = '\0';
128 mmlval.str = string_buf;
129 string_buf_ptr = string_buf;
136 /* May be a symbol or a macro invocation. */
137 mmlval.sym = symtable_get(mmtext);
138 if (mmlval.sym->type != MACRO) {
139 stop("Expecting Macro Name",
148 snprintf(msgbuf, sizeof(msgbuf), "Invalid character "
150 stop(msgbuf, EX_DATAERR);
157 stop("EOF encountered in macro call", EX_DATAERR);