Experiments/libabacus
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Add a new table entry type.

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This commit is contained in:
Danila Fedorin 2018-05-27 23:10:59 -07:00
parent b0a25fd53f
commit 031e6434c5
2 changed files with 33 additions and 1 deletions
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16
include/table.h
View File

@ -29,7 +29,12 @@ struct libab_table_s {
* Enum that represents the type of a table * Enum that represents the type of a table
* entry. * entry.
*/ */
enum libab_table_entry_variant_e { ENTRY_VALUE, ENTRY_BASETYPE, ENTRY_OP }; enum libab_table_entry_variant_e {
ENTRY_VALUE,
ENTRY_BASETYPE,
ENTRY_OP,
ENTRY_TYPE_PARAM
};
/** /**
* An entry in the table. * An entry in the table.
@ -47,6 +52,7 @@ struct libab_table_entry_s {
libab_operator op; libab_operator op;
libab_basetype* basetype; libab_basetype* basetype;
libab_ref value; libab_ref value;
libab_ref type_param;
} data_u; } data_u;
}; };
@ -105,6 +111,14 @@ 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
* @param table the table to search in.
* @param string the key ot search for.
* @param ref the reference to store the type into.
*/
void libab_table_search_type_param(libab_table* table, const char* string,
libab_ref* ref);
/** /**
* 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.

18
src/table.c
View File

@ -47,6 +47,11 @@ int libab_table_compare_basetype(const void* left, const void* right) {
return entry->variant == ENTRY_BASETYPE; return entry->variant == ENTRY_BASETYPE;
} }
int libab_table_compare_type_param(const void* left, const void* right) {
const libab_table_entry* entry = right;
return entry->variant == ENTRY_TYPE_PARAM;
}
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 = NULL; libab_table_entry* entry = NULL;
@ -81,6 +86,17 @@ void libab_table_search_value(libab_table* table, const char* string,
} }
} }
void libab_table_search_type_param(libab_table* table, const char* string,
libab_ref* ref) {
libab_table_entry* entry = libab_table_search_filter(
table, string, NULL, libab_table_compare_type_param);
if (entry) {
libab_ref_copy(&entry->data_u.type_param, ref);
} else {
libab_ref_null(ref);
}
}
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) {
return libab_trie_put(&table->trie, string, entry); return libab_trie_put(&table->trie, string, entry);
@ -107,5 +123,7 @@ void libab_table_entry_free(libab_table_entry* entry) {
libab_basetype_free(entry->data_u.basetype); libab_basetype_free(entry->data_u.basetype);
} else if (entry->variant == ENTRY_VALUE) { } else if (entry->variant == ENTRY_VALUE) {
libab_ref_free(&entry->data_u.value); libab_ref_free(&entry->data_u.value);
} else if (entry->variant == ENTRY_TYPE_PARAM) {
libab_ref_free(&entry->data_u.type_param);
} }
} }