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docproc: abstract docproc directive detection 

Helps follow-up work. No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jani Nikula 2016-05-12 16:15:41 +03:00 committed by Jonathan Corbet
parent 868fb19212
commit a48dc45e9c
1 changed files with 20 additions and 10 deletions
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30
scripts/docproc.c
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@ -430,6 +430,15 @@ static void find_all_symbols(char *filename)
}
}
/* Return pointer to directive content, or NULL if not a directive. */
static char *is_directive(char *line)
{
if (line[0] == '!')
return line + 1;
return NULL;
}
/*
* Parse file, calling action specific functions for:
* 1) Lines containing !E
@ -443,29 +452,30 @@ static void find_all_symbols(char *filename)
static void parse_file(FILE *infile)
{
char line[MAXLINESZ];
char * s;
char *p, *s;
while (fgets(line, MAXLINESZ, infile)) {
if (line[0] != '!') {
p = is_directive(line);
if (!p) {
defaultline(line);
continue;
}
s = line + 2;
switch (line[1]) {
s = p + 1;
switch (*p++) {
case 'E':
while (*s && !isspace(*s)) s++;
*s = '\0';
externalfunctions(line+2);
externalfunctions(p);
break;
case 'I':
while (*s && !isspace(*s)) s++;
*s = '\0';
internalfunctions(line+2);
internalfunctions(p);
break;
case 'D':
while (*s && !isspace(*s)) s++;
*s = '\0';
symbolsonly(line+2);
symbolsonly(p);
break;
case 'F':
/* filename */
@ -474,7 +484,7 @@ static void parse_file(FILE *infile)
/* function names */
while (isspace(*s))
s++;
singlefunctions(line +2, s);
singlefunctions(p, s);
break;
case 'P':
/* filename */
@ -483,13 +493,13 @@ static void parse_file(FILE *infile)
/* DOC: section name */
while (isspace(*s))
s++;
docsection(line + 2, s);
docsection(p, s);
break;
case 'C':
while (*s && !isspace(*s)) s++;
*s = '\0';
if (findall)
findall(line+2);
findall(p);
break;
default:
defaultline(line);