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Merge pull request #1965 from Airblader/feature-typed-commands-parser

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Make the command parser stack typed
This commit is contained in:
Michael Stapelberg
2015-10-04 17:05:27 +02:00
parent 7a66d55df5 6cd6f43d09
commit 77a7d625e1
10 changed files with 200 additions and 237 deletions
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51
src/config_parser.c
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@ -122,7 +122,7 @@ static void push_string(const char *identifier, const char *str) {
/* When we arrive here, the stack is full. This should not happen and
* means there’s either a bug in this parser or the specification
* contains a command with more than 10 identified tokens. */
fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
fprintf(stderr, "BUG: config_parser stack full. This means either a bug "
"in the code, or a new command which contains more than "
"10 identified tokens.\n");
exit(1);
@ -142,7 +142,7 @@ static void push_long(const char *identifier, long num) {
/* When we arrive here, the stack is full. This should not happen and
* means there’s either a bug in this parser or the specification
* contains a command with more than 10 identified tokens. */
fprintf(stderr, "BUG: commands_parser stack full. This means either a bug "
fprintf(stderr, "BUG: config_parser stack full. This means either a bug "
"in the code, or a new command which contains more than "
"10 identified tokens.\n");
exit(1);
@ -178,53 +178,6 @@ static void clear_stack(void) {
}
}
// TODO: remove this if it turns out we don’t need it for testing.
#if 0
/*******************************************************************************
* A dynamically growing linked list which holds the criteria for the current
* command.
******************************************************************************/
typedef struct criterion {
char *type;
char *value;
TAILQ_ENTRY(criterion) criteria;
} criterion;
static TAILQ_HEAD(criteria_head, criterion) criteria =
TAILQ_HEAD_INITIALIZER(criteria);
/*
* Stores the given type/value in the list of criteria.
* Accepts a pointer as first argument, since it is 'call'ed by the parser.
*
*/
static void push_criterion(void *unused_criteria, const char *type,
const char *value) {
struct criterion *criterion = smalloc(sizeof(struct criterion));
criterion->type = sstrdup(type);
criterion->value = sstrdup(value);
TAILQ_INSERT_TAIL(&criteria, criterion, criteria);
}
/*
* Clears the criteria linked list.
* Accepts a pointer as first argument, since it is 'call'ed by the parser.
*
*/
static void clear_criteria(void *unused_criteria) {
struct criterion *criterion;
while (!TAILQ_EMPTY(&criteria)) {
criterion = TAILQ_FIRST(&criteria);
free(criterion->type);
free(criterion->value);
TAILQ_REMOVE(&criteria, criterion, criteria);
free(criterion);
}
}
#endif
/*******************************************************************************
* The parser itself.
******************************************************************************/