Experiments/libabacus
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Implement resolving basetypes.

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Danila Fedorin 2018-04-19 23:17:54 -07:00
parent 3ada78a557
commit 576f805bd7
2 changed files with 47 additions and 0 deletions
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9
include/util.h
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@ -4,6 +4,8 @@
#include "libds.h" #include "libds.h"
#include "liblex.h" #include "liblex.h"
#include "result.h" #include "result.h"
#include "parsetype.h"
#include "table.h"
#include <string.h> #include <string.h>
/** /**
@ -44,5 +46,12 @@ libab_result libab_copy_string_size(char** destination, const char* source, size
* @return the result of the operation. * @return the result of the operation.
*/ */
libab_result libab_copy_string(char** destination, const char* source); libab_result libab_copy_string(char** destination, const char* source);
/**
* Resolves the given parsetype, looking through the scope to find all the
* referenced base types, if applicable.
* @param to_resolve the parsetype to resolve.
* @param scope the scope to use for resolving the type info.
*/
libab_result libab_resolve_parsetype(libab_parsetype* to_resolve, libab_table* scope);
#endif #endif

38
src/util.c
View File

@ -36,3 +36,41 @@ libab_result libab_copy_string_size(char** destination, const char* source, size
libab_result libab_copy_string(char** destination, const char* source) { libab_result libab_copy_string(char** destination, const char* source) {
return libab_copy_string_range(destination, source, 0, strlen(source)); return libab_copy_string_range(destination, source, 0, strlen(source));
} }
libab_result _libab_check_parsetype(libab_parsetype* to_check) {
libab_result result = LIBAB_SUCCESS;
return result;
}
libab_result libab_resolve_parsetype(libab_parsetype* to_resolve, libab_table* scope) {
libab_result result = LIBAB_SUCCESS;
int resolve_name, check_parents;
size_t index = 0;
resolve_name = !(to_resolve->variant & (LIBABACUS_TYPE_F_RESOLVED | LIBABACUS_TYPE_F_PLACE));
check_parents = !(to_resolve->variant & LIBABACUS_TYPE_F_PLACE);
if(resolve_name) {
libab_basetype* basetype = libab_table_search_basetype(scope, to_resolve->data_u.name);
if(basetype) {
free(to_resolve->data_u.name);
to_resolve->data_u.base = basetype;
to_resolve->variant |= LIBABACUS_TYPE_F_RESOLVED;
} else {
result = LIBAB_BAD_TYPE;
}
}
if(check_parents && result == LIBAB_SUCCESS) {
if(to_resolve->variant & LIBABACUS_TYPE_F_PARENT) {
result = _libab_check_parsetype(to_resolve);
} else if(to_resolve->data_u.base->count) {
result = LIBAB_BAD_TYPE;
}
}
if(to_resolve->variant & LIBABACUS_TYPE_F_PARENT) {
while(result == LIBAB_SUCCESS && index < to_resolve->children.size) {
result = libab_resolve_parsetype(libab_ref_get(&to_resolve->children.data[index]), scope);
index++;
}
}
return result;
}