1 /* MI Command Set - MI parser.
3 Copyright (C) 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions (a Red Hat company).
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include "gdb_string.h"
30 mi_parse_argv (char *args, struct mi_parse *parse)
34 char **argv = xmalloc ((argc + 1) * sizeof (char *));
39 /* skip leading white space */
40 while (isspace (*chp))
42 /* Three possibilities: EOF, quoted string, or other text. */
51 /* A quoted string. */
53 char *start = chp + 1;
54 /* Determine the buffer size. */
57 while (*chp != '\0' && *chp != '"')
62 if (parse_escape (&chp) <= 0)
64 /* Do not allow split lines or "\000" */
73 /* Insist on a closing quote. */
79 /* Insist on trailing white space. */
80 if (chp[1] != '\0' && !isspace (chp[1]))
85 /* create the buffer. */
86 arg = xmalloc ((len + 1) * sizeof (char));
87 /* And copy the characters in. */
90 while (*chp != '\0' && *chp != '"')
95 arg[len] = parse_escape (&chp);
102 chp++; /* that closing quote. */
107 /* An unquoted string. Accumulate all non blank
108 characters into a buffer. */
111 while (*chp != '\0' && !isspace (*chp))
116 arg = xmalloc ((len + 1) * sizeof (char));
117 strncpy (arg, start, len);
122 /* Append arg to argv. */
123 argv = xrealloc (argv, (argc + 2) * sizeof (char *));
131 mi_parse_free (struct mi_parse *parse)
135 if (parse->command != NULL)
136 xfree (parse->command);
137 if (parse->token != NULL)
138 xfree (parse->token);
139 if (parse->args != NULL)
141 if (parse->argv != NULL)
142 freeargv (parse->argv);
151 struct mi_parse *parse = XMALLOC (struct mi_parse);
152 memset (parse, 0, sizeof (*parse));
154 /* Before starting, skip leading white space. */
155 while (isspace (*cmd))
158 /* Find/skip any token and then extract it. */
159 for (chp = cmd; *chp >= '0' && *chp <= '9'; chp++)
161 parse->token = xmalloc ((chp - cmd + 1) * sizeof (char *));
162 memcpy (parse->token, cmd, (chp - cmd));
163 parse->token[chp - cmd] = '\0';
165 /* This wasn't a real MI command. Return it as a CLI_COMMAND. */
168 while (isspace (*chp))
170 parse->command = xstrdup (chp);
171 parse->op = CLI_COMMAND;
175 /* Extract the command. */
177 char *tmp = chp + 1; /* discard ``-'' */
178 for (; *chp && !isspace (*chp); chp++)
180 parse->command = xmalloc ((chp - tmp + 1) * sizeof (char *));
181 memcpy (parse->command, tmp, chp - tmp);
182 parse->command[chp - tmp] = '\0';
185 /* Find the command in the MI table. */
186 parse->cmd = mi_lookup (parse->command);
187 if (parse->cmd == NULL)
189 /* FIXME: This should be a function call. */
192 "%s^error,msg=\"Undefined MI command: %s\"\n",
193 parse->token, parse->command);
194 mi_parse_free (parse);
198 /* Skip white space following the command. */
199 while (isspace (*chp))
202 /* For new argv commands, attempt to return the parsed argument
204 if (parse->cmd->argv_func != NULL)
206 mi_parse_argv (chp, parse);
207 if (parse->argv == NULL)
209 /* FIXME: This should be a function call. */
212 "%s^error,msg=\"Problem parsing arguments: %s %s\"\n",
213 parse->token, parse->command, chp);
214 mi_parse_free (parse);
219 /* FIXME: DELETE THIS */
220 /* For CLI and old ARGS commands, also return the remainder of the
221 command line as a single string. */
222 if (parse->cmd->args_func != NULL
223 || parse->cmd->cli.cmd != NULL)
225 parse->args = xstrdup (chp);
229 parse->op = MI_COMMAND;