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/********************************************************
* tlint -- check troff files for problems *
* *
* Usage: *
* tlint [options] [files] *
* *
* Options *
* -m<file> Add the data from <file> *
* to the tables used for syntax *
* checking. *
* -f<file> Add font data from <file> *
* to list of legal fonts. *
* *
* [files] is a list of files to check. *
* (none=check standard in.) *
* *
********************************************************/
#include <stdio.h>
#include "gen.h"
#include "macro.h"
#include "font.h"
#include <stdlib.h>
#define MAX_LINE 100 /* longest line we can expect */
#define MACRO_START_1 '.' /* Macros can begin with a dot */
#define MACRO_START_2 '\'' /* or an apostrophe */
main(int argc, char *argv[])
{
void usage(void); /* Tell the user what to do */
void do_file(char *, FILE *); /* Process a file */
load_macros("standard.mac");
load_fonts("standard.fonts");
while ((argc > 1) && (argv[1][0] == '-')) {
switch (argv[1][1]) {
case 'm':
load_macros(&argv[1][2]);
break;
case 'f':
load_fonts(&argv[1][2]);
break;
default:
usage();
}
argc--;
argv++;
}
if (argc == 1) {
do_file("standard-in", stdin);
} else {
while (argc > 1) {
FILE *in_file; /* File for reading data */
in_file = fopen(argv[1], "r");
if (in_file == NULL) {
(void)fprintf(stderr,"Unable to open %s\n", argv[1]);
} else {
do_file(argv[1], in_file);
(void)fclose(in_file);
}
argc--;
argv++;
}
}
return (0);
}
/********************************************************
* usage -- tell the user what to do *
********************************************************/
static void usage(void)
{
(void)printf("Usage is:\n");
(void)printf(" tlint [options] [file1] [file2] ...\n");
(void)printf("Options:\n");
(void)printf(" -m<file> -- add <file> to list\n");
(void)printf(" of macro files\n");
(void)printf(" -f<file> -- specify additional font file\n");
exit (8);
}
static char *file_name; /* Name of the file we are processing */
static int line_number; /* Current line number */
static char line[MAX_LINE]; /* A line from the input file */
static int line_out; /* True if a line has been output */
/********************************************************
* do_file -- process a single file *
* *
* Parameters *
* name -- name of the file to use *
* in_file -- file to check *
********************************************************/
static void do_file(char *name, FILE *in_file)
{
file_name = name;
line_number = 0;
while (1) {
if (fgets(line, sizeof(line), in_file) == NULL)
break;
line_out = 0; /* We have not written the line */
line_number++;
if ((line[0] == MACRO_START_1) || (line[0] == MACRO_START_2))
macro_check(line);
}
}
/********************************************************
* error -- tell the user that there is an error *
* *
* Parameters *
* message -- error message *
********************************************************/
void error(char *message)
{
if (line_out == 0) {
(void)fprintf(stderr,"%s", line);
line_out = 1;
}
(void)fprintf(stderr,"Error %s in file %s Line %d\n",
message, file_name, line_number);
}
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