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Diffstat (limited to 'src/checker/checker.cpp')
-rw-r--r--src/checker/checker.cpp109
1 files changed, 93 insertions, 16 deletions
diff --git a/src/checker/checker.cpp b/src/checker/checker.cpp
index d239d0995..25bef96de 100644
--- a/src/checker/checker.cpp
+++ b/src/checker/checker.cpp
@@ -339,6 +339,7 @@ Entity *scope_insert_entity(Scope *s, Entity *entity) {
return NULL;
}
+
void add_dependency(DeclInfo *d, Entity *e) {
map_set(&d->deps, hash_pointer(e), cast(b32)true);
}
@@ -543,6 +544,7 @@ b32 add_entity(Checker *c, Scope *scope, AstNode *identifier, Entity *entity) {
LIT(up->token.pos.file), up->token.pos.line, up->token.pos.column);
return false;
} else {
+ gb_printf_err("!!Here\n");
error(&c->error_collector, entity->token,
"Redeclararation of `%.*s` in this scope\n"
"\tat %.*s(%td:%td)",
@@ -557,6 +559,78 @@ b32 add_entity(Checker *c, Scope *scope, AstNode *identifier, Entity *entity) {
return true;
}
+
+/*
+b32 add_proc_entity(Checker *c, Scope *scope, AstNode *identifier, Entity *entity) {
+ GB_ASSERT(entity->kind == Entity_Procedure);
+
+ auto error_proc_redecl = [](Checker *c, Token token, Entity *other_entity, char *extra_msg) {
+ error(&c->error_collector, token,
+ "Redeclararation of `%.*s` in this scope %s\n"
+ "\tat %.*s(%td:%td)",
+ LIT(other_entity->token.string),
+ extra_msg,
+ LIT(other_entity->token.pos.file), other_entity->token.pos.line, other_entity->token.pos.column);
+ };
+
+ String name = entity->token.string;
+ HashKey key = hash_string(name);
+
+ b32 insert_overload = false;
+
+ if (!are_strings_equal(name, make_string("_"))) {
+ Entity *insert_entity = scope_insert_entity(scope, entity);
+ if (insert_entity != NULL) {
+ if (insert_entity != entity) {
+ isize count = multi_map_count(&scope->elements, key);
+ GB_ASSERT(count > 0);
+ Entity **entities = gb_alloc_array(gb_heap_allocator(), Entity *, count);
+ defer (gb_free(gb_heap_allocator(), entities));
+ multi_map_get_all(&scope->elements, key, entities);
+
+ for (isize i = 0; i < count; i++) {
+ Entity *e = entities[i];
+ if (e == entity) {
+ continue;
+ }
+ if (e->kind == Entity_Procedure) {
+ Type *proc_type = entity->type;
+ Type *other_proc_type = e->type;
+ // gb_printf_err("%s == %s\n", type_to_string(proc_type), type_to_string(other_proc_type));
+ if (are_types_identical(proc_type, other_proc_type)) {
+ error_proc_redecl(c, entity->token, e, "with identical types");
+ return false;
+ }
+
+ if (proc_type != NULL && other_proc_type != NULL) {
+ Type *params = proc_type->Proc.params;
+ Type *other_params = other_proc_type->Proc.params;
+
+ if (are_types_identical(params, other_params)) {
+ error_proc_redecl(c, entity->token, e, "with 2identical parameters");
+ return false;
+ }
+ }
+ } else {
+ error_proc_redecl(c, entity->token, e, "");
+ return false;
+ }
+ }
+ insert_overload = true;
+ }
+ }
+ }
+
+ if (insert_overload) {
+ multi_map_insert(&scope->elements, key, entity);
+ }
+
+ if (identifier != NULL)
+ add_entity_definition(&c->info, identifier, entity);
+ return true;
+}
+*/
+
void add_entity_use(CheckerInfo *i, AstNode *identifier, Entity *entity) {
GB_ASSERT(identifier != NULL);
GB_ASSERT(identifier->kind == AstNode_Ident);
@@ -566,7 +640,7 @@ void add_entity_use(CheckerInfo *i, AstNode *identifier, Entity *entity) {
void add_file_entity(Checker *c, AstNode *identifier, Entity *e, DeclInfo *d) {
- GB_ASSERT(are_strings_equal(identifier->Ident.token.string, e->token.string));
+ GB_ASSERT(are_strings_equal(identifier->Ident.string, e->token.string));
add_entity(c, c->global_scope, identifier, e);
map_set(&c->info.entities, hash_pointer(e), d);
@@ -608,7 +682,6 @@ void add_curr_ast_file(Checker *c, AstFile *file) {
-
#include "expr.cpp"
#include "stmt.cpp"
@@ -658,9 +731,8 @@ void check_parsed_files(Checker *c) {
for (AstNode *name = vd->name_list, *value = vd->value_list;
name != NULL && value != NULL;
name = name->next, value = value->next) {
- ast_node(n, Ident, name);
ExactValue v = {ExactValue_Invalid};
- Entity *e = make_entity_constant(c->allocator, c->context.scope, n->token, NULL, v);
+ Entity *e = make_entity_constant(c->allocator, c->context.scope, name->Ident, NULL, v);
DeclInfo *di = make_declaration_info(c->allocator, c->global_scope);
di->type_expr = vd->type;
di->init_expr = value;
@@ -692,8 +764,7 @@ void check_parsed_files(Checker *c) {
AstNode *value = vd->value_list;
for (AstNode *name = vd->name_list; name != NULL; name = name->next) {
- ast_node(n, Ident, name);
- Entity *e = make_entity_variable(c->allocator, c->global_scope, n->token, NULL);
+ Entity *e = make_entity_variable(c->allocator, c->global_scope, name->Ident, NULL);
entities[entity_index++] = e;
DeclInfo *d = di;
@@ -716,7 +787,7 @@ void check_parsed_files(Checker *c) {
case_ast_node(td, TypeDecl, decl);
ast_node(n, Ident, td->name);
- Entity *e = make_entity_type_name(c->allocator, c->global_scope, n->token, NULL);
+ Entity *e = make_entity_type_name(c->allocator, c->global_scope, *n, NULL);
DeclInfo *d = make_declaration_info(c->allocator, e->scope);
d->type_expr = td->type;
add_file_entity(c, td->name, e, d);
@@ -724,9 +795,8 @@ void check_parsed_files(Checker *c) {
case_ast_node(pd, ProcDecl, decl);
ast_node(n, Ident, pd->name);
- Token token = n->token;
+ Token token = *n;
Entity *e = make_entity_procedure(c->allocator, c->global_scope, token, NULL);
- add_entity(c, c->global_scope, pd->name, e);
DeclInfo *d = make_declaration_info(c->allocator, e->scope);
d->proc_decl = decl;
map_set(&c->info.entities, hash_pointer(e), d);
@@ -747,14 +817,21 @@ void check_parsed_files(Checker *c) {
}
}
+ auto check_global_entity = [](Checker *c, EntityKind kind) {
+ gb_for_array(i, c->info.entities.entries) {
+ auto *entry = &c->info.entities.entries[i];
+ Entity *e = cast(Entity *)cast(uintptr)entry->key.key;
+ if (e->kind == kind) {
+ DeclInfo *d = entry->value;
+ check_entity_decl(c, e, d, NULL);
+ }
+ }
+ };
- gb_for_array(i, c->info.entities.entries) {
- auto *entry = &c->info.entities.entries[i];
- Entity *e = cast(Entity *)cast(uintptr)entry->key.key;
- DeclInfo *d = entry->value;
- check_entity_decl(c, e, d, NULL);
- }
-
+ check_global_entity(c, Entity_TypeName);
+ check_global_entity(c, Entity_Constant);
+ check_global_entity(c, Entity_Procedure);
+ check_global_entity(c, Entity_Variable);
// Check procedure bodies
gb_for_array(i, c->procs) {