Experiments/libabacus
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Add more specific lookup functions.

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This commit is contained in:
Danila Fedorin 2018-08-10 19:47:11 -07:00
parent 450d12dc43
commit d7ef8e236d
2 changed files with 67 additions and 9 deletions
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41
include/table.h
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@ -94,6 +94,17 @@ libab_table_entry* libab_table_search(libab_table* table, const char* string);
*/ */
libab_operator* libab_table_search_operator(libab_table* table, libab_operator* libab_table_search_operator(libab_table* table,
const char* string, int type); const char* string, int type);
/**
* Searches for a given string in the table,
* returning the entry that holds it only if it is an operator.
* @param table the table to search.
* @param string the string to search for.
* @param type the type of operator to search for (infix, prefix, postfix)
* @return the entry, or NULL if it was not found.
*/
libab_table_entry* libab_table_search_entry_operator(libab_table* table,
const char* string,
int type);
/** /**
* Searches for the given basetype in the table, returning a value * Searches for the given basetype in the table, returning a value
* only if it's a basetype. * only if it's a basetype.
@ -103,6 +114,15 @@ libab_operator* libab_table_search_operator(libab_table* table,
*/ */
libab_basetype* libab_table_search_basetype(libab_table* table, libab_basetype* libab_table_search_basetype(libab_table* table,
const char* string); const char* string);
/**
* Searches for the given basetype in the table, returning a table
* entry only if it holds a basetype.
* @param table to table to search.
* @param string the string to search for.
* @return the entry holding the basetype, or NULL if it was not found.
*/
libab_table_entry* libab_table_search_entry_basetype(libab_table* table,
const char* string);
/** /**
* Searches for the given value in the table. * Searches for the given value in the table.
* @param table the table to search. * @param table the table to search.
@ -112,13 +132,30 @@ libab_basetype* libab_table_search_basetype(libab_table* table,
void libab_table_search_value(libab_table* table, const char* string, void libab_table_search_value(libab_table* table, const char* string,
libab_ref* ref); libab_ref* ref);
/** /**
* Searches for the given type parameter in the talb.e * Searches for a value with the given name in the table,
* and returns an entry that holds it.
* @param table the table to search.
* @param string the tabe entry key.
* @return the table entry holding the value, or NULL if it was not found.
*/
libab_table_entry* libab_table_search_entry_value(libab_table* table,
const char* string);
/**
* Searches for the given type parameter in the table.
* @param table the table to search in. * @param table the table to search in.
* @param string the key ot search for. * @param string the key to search for.
* @param ref the reference to store the type into. * @param ref the reference to store the type into.
*/ */
void libab_table_search_type_param(libab_table* table, const char* string, void libab_table_search_type_param(libab_table* table, const char* string,
libab_ref* ref); libab_ref* ref);
/**
* Searches for the given type parameter in the table.
* @param table the table to search in.
* @param string the key to search for.
* @return the table entry holding the type parameter, or NULL.
*/
libab_table_entry* libab_table_search_entry_type_param(libab_table* table,
const char* string);
/** /**
* Stores the given entry in the table under the given key. * Stores the given entry in the table under the given key.
* @param table the table to store the entry into. * @param table the table to store the entry into.

35
src/table.c
View File

@ -54,6 +54,12 @@ int libab_table_compare_type_param(const void* left, const void* right) {
libab_operator* libab_table_search_operator(libab_table* table, libab_operator* libab_table_search_operator(libab_table* table,
const char* string, int type) { const char* string, int type) {
libab_table_entry* entry =
libab_table_search_entry_operator(table, string, type);
return entry ? &entry->data_u.op : NULL;
}
libab_table_entry* libab_table_search_entry_operator(libab_table* table,
const char* string, int type) {
libab_table_entry* entry = NULL; libab_table_entry* entry = NULL;
if (type == OPERATOR_PREFIX) { if (type == OPERATOR_PREFIX) {
entry = libab_table_search_filter(table, string, NULL, entry = libab_table_search_filter(table, string, NULL,
@ -65,37 +71,52 @@ libab_operator* libab_table_search_operator(libab_table* table,
entry = libab_table_search_filter(table, string, NULL, entry = libab_table_search_filter(table, string, NULL,
libab_table_compare_op_postfix); libab_table_compare_op_postfix);
} }
return entry ? &entry->data_u.op : NULL; return entry;
} }
libab_basetype* libab_table_search_basetype(libab_table* table, libab_basetype* libab_table_search_basetype(libab_table* table,
const char* string) { const char* string) {
libab_table_entry* entry = libab_table_search_filter( libab_table_entry* entry =
table, string, NULL, libab_table_compare_basetype); libab_table_search_entry_basetype(table, string);
return entry ? entry->data_u.basetype : NULL; return entry ? entry->data_u.basetype : NULL;
} }
libab_table_entry* libab_table_search_entry_basetype(libab_table* table,
const char* string) {
return libab_table_search_filter(table, string, NULL,
libab_table_compare_basetype);
}
void libab_table_search_value(libab_table* table, const char* string, void libab_table_search_value(libab_table* table, const char* string,
libab_ref* ref) { libab_ref* ref) {
libab_table_entry* entry = libab_table_search_filter( libab_table_entry* entry =
table, string, NULL, libab_table_compare_value); libab_table_search_entry_value(table, string);
if (entry) { if (entry) {
libab_ref_copy(&entry->data_u.value, ref); libab_ref_copy(&entry->data_u.value, ref);
} else { } else {
libab_ref_null(ref); libab_ref_null(ref);
} }
} }
libab_table_entry* libab_table_search_entry_value(libab_table* table,
const char* string) {
return libab_table_search_filter(table, string, NULL,
libab_table_compare_value);
}
void libab_table_search_type_param(libab_table* table, const char* string, void libab_table_search_type_param(libab_table* table, const char* string,
libab_ref* ref) { libab_ref* ref) {
libab_table_entry* entry = libab_table_search_filter( libab_table_entry* entry =
table, string, NULL, libab_table_compare_type_param); libab_table_search_entry_type_param(table, string);
if (entry) { if (entry) {
libab_ref_copy(&entry->data_u.type_param, ref); libab_ref_copy(&entry->data_u.type_param, ref);
} else { } else {
libab_ref_null(ref); libab_ref_null(ref);
} }
} }
libab_table_entry* libab_table_search_entry_type_param(libab_table* table,
const char* string) {
return libab_table_search_filter(
table, string, NULL, libab_table_compare_type_param);
}
libab_result libab_table_put(libab_table* table, const char* string, libab_result libab_table_put(libab_table* table, const char* string,
libab_table_entry* entry) { libab_table_entry* entry) {