From a84f75e7ff26cc9593580900ee5d112bf8677c50 Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 1 Sep 2012 15:33:33 +0000 Subject: Separate CVS parsing logic from tools/mksyscall.c; Create tools/mksymtab.c to create symbol tables from CSV files git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5075 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/tools/csvparser.c | 205 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 nuttx/tools/csvparser.c (limited to 'nuttx/tools/csvparser.c') diff --git a/nuttx/tools/csvparser.c b/nuttx/tools/csvparser.c new file mode 100644 index 000000000..739e5e1f8 --- /dev/null +++ b/nuttx/tools/csvparser.c @@ -0,0 +1,205 @@ +/**************************************************************************** + * tools/csvparser.c + * + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX 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 OWNER 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include +#include +#include +#include +#include + +#include "csvparser.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +bool g_debug; +char g_line[LINESIZE+1]; +char g_parm[MAX_FIELDS][MAX_PARMSIZE]; +int g_lineno; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static char *skip_space(char *ptr) +{ + while (*ptr && isspace((int)*ptr)) ptr++; + return ptr; +} + +static char *copy_parm(char *src, char *dest) +{ + char *start = src; + int i; + + for (i = 0; i < MAX_PARMSIZE; i++) + { + if (*src == '"') + { + *dest = '\0'; + return src; + } + else if (*src == '\n' || *src == '\0') + { + fprintf(stderr, "%d: Unexpected end of line: \"%s\"\n", g_lineno, start); + exit(4); + } + else + { + *dest++ = *src++; + } + } + + fprintf(stderr, "%d: Parameter too long: \"%s\"\n", g_lineno, start); + exit(3); +} + +static char *find_parm(char *ptr) +{ + char *start = ptr; + + if (*ptr != '"') + { + fprintf(stderr, "%d: I'm confused: \"%s\"\n", g_lineno, start); + exit(5); + } + ptr++; + + ptr = skip_space(ptr); + if (*ptr == '\n' || *ptr == '\0') + { + return NULL; + } + else if (*ptr != ',') + { + fprintf(stderr, "%d: Expected ',': \"%s\"\n", g_lineno, start); + exit(6); + } + ptr++; + + ptr = skip_space(ptr); + if (*ptr != '"') + { + fprintf(stderr, "%d: Expected \": \"%s\"\n", g_lineno, start); + exit(7); + } + ptr++; + + return ptr; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +char *read_line(FILE *stream) +{ + char *ptr; + + for (;;) + { + g_line[LINESIZE] = '\0'; + if (!fgets(g_line, LINESIZE, stream)) + { + return NULL; + } + else + { + g_lineno++; + if (g_debug) + { + printf("Line: %s\n", g_line); + } + + ptr = skip_space(g_line); + if (*ptr && *ptr != '#' && *ptr != '\n') + { + return ptr; + } + } + } +} + +int parse_csvline(char *ptr) +{ + int nparms; + int i; + + /* Format "arg1","arg2","arg3",... Spaces will be tolerated outside of the + * quotes. Any initial spaces have already been skipped so the first thing + * should be '"'. + */ + + if (*ptr != '"') + { + fprintf(stderr, "%d: Bad line: \"%s\"\n", g_lineno, g_line); + exit(2); + } + + ptr++; + nparms = 0; + + do + { + ptr = copy_parm(ptr, &g_parm[nparms][0]); + nparms++; + ptr = find_parm(ptr); + } + while (ptr); + + if (g_debug) + { + printf("Parameters: %d\n", nparms); + for (i = 0; i < nparms; i++) + { + printf(" Parm%d: \"%s\"\n", i+1, g_parm[i]); + } + } + return nparms; +} -- cgit v1.2.3