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using in importation statements

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This commit is contained in:
gingerBill
2017-12-17 11:17:54 +00:00
parent 1b6a14ac39
commit 0d665c637f
2 changed files with 108 additions and 31 deletions
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118
src/checker.cpp
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@@ -2642,21 +2642,24 @@ void check_add_import_decl(Checker *c, AstNodeImportDecl *id) {
ptr_set_add(&parent_scope->imported, scope);
}
String import_name = path_to_entity_name(id->import_name.string, id->fullpath);
if (is_blank_ident(import_name)) {
if (id->is_using) {
// TODO(bill): Should this be a warning?
} else {
error(token, "File name, %.*s, cannot be use as an import name as it is not a valid identifier", LIT(id->import_name.string));
}
} else {
GB_ASSERT(id->import_name.pos.line != 0);
id->import_name.string = import_name;
Entity *e = make_entity_import_name(c->allocator, parent_scope, id->import_name, t_invalid,
id->fullpath, id->import_name.string,
scope);
add_entity(c, parent_scope, nullptr, e);
if (id->using_in_list.count == 0) {
String import_name = path_to_entity_name(id->import_name.string, id->fullpath);
if (is_blank_ident(import_name)) {
if (id->is_using) {
// TODO(bill): Should this be a warning?
} else {
error(token, "File name, %.*s, cannot be use as an import name as it is not a valid identifier", LIT(id->import_name.string));
}
} else {
GB_ASSERT(id->import_name.pos.line != 0);
id->import_name.string = import_name;
Entity *e = make_entity_import_name(c->allocator, parent_scope, id->import_name, t_invalid,
id->fullpath, id->import_name.string,
scope);
add_entity(c, parent_scope, nullptr, e);
}
}
if (id->is_using) {
@@ -2664,21 +2667,48 @@ void check_add_import_decl(Checker *c, AstNodeImportDecl *id) {
error(id->import_name, "#shared_global_scope imports cannot use using");
return;
}
// NOTE(bill): Add imported entities to this file's scope
for_array(elem_index, scope->elements.entries) {
Entity *e = scope->elements.entries[elem_index].value;
if (e->scope == parent_scope) continue;
if (id->using_in_list.count > 0) {
for_array(list_index, id->using_in_list) {
AstNode *node = id->using_in_list[list_index];
ast_node(ident, Ident, node);
String name = ident->token.string;
if (e->token.string == "get_proc_address") {
// gb_printf_err("%.*s %.*s get_proc_address\n", LIT(scope->file->fullpath), LIT(parent_scope->file->fullpath));
Entity *e = scope_lookup_entity(scope, name);
if (e == nullptr) {
if (is_blank_ident(name)) {
error(node, "'_' cannot be used as a value");
} else {
error(node, "Undeclared name in this importation: '%.*s'", LIT(name));
}
continue;
}
if (e->scope == parent_scope) continue;
bool implicit_is_found = ptr_set_exists(&scope->implicit, e);
if (is_entity_exported(e) && !implicit_is_found) {
Entity *prev = scope_lookup_entity(parent_scope, e->token.string);
// if (prev) gb_printf_err("%.*s\n", LIT(prev->token.string));
bool ok = add_entity(c, parent_scope, e->identifier, e);
if (ok) ptr_set_add(&parent_scope->implicit, e);
} else {
error(node, "'%.*s' is exported from this scope", LIT(name));
continue;
}
}
} else {
for_array(elem_index, scope->elements.entries) {
Entity *e = scope->elements.entries[elem_index].value;
if (e->scope == parent_scope) continue;
bool implicit_is_found = ptr_set_exists(&scope->implicit, e);
if (is_entity_exported(e) && !implicit_is_found) {
Entity *prev = scope_lookup_entity(parent_scope, e->token.string);
// if (prev) gb_printf_err("%.*s\n", LIT(prev->token.string));
bool ok = add_entity(c, parent_scope, e->identifier, e);
if (ok) ptr_set_add(&parent_scope->implicit, e);
bool implicit_is_found = ptr_set_exists(&scope->implicit, e);
if (is_entity_exported(e) && !implicit_is_found) {
Entity *prev = scope_lookup_entity(parent_scope, e->token.string);
// if (prev) gb_printf_err("%.*s\n", LIT(prev->token.string));
bool ok = add_entity(c, parent_scope, e->identifier, e);
if (ok) ptr_set_add(&parent_scope->implicit, e);
}
}
}
}
@@ -2722,13 +2752,39 @@ void check_add_export_decl(Checker *c, AstNodeExportDecl *ed) {
ptr_set_add(&parent_scope->imported, scope);
}
// NOTE(bill): Add imported entities to this file's scope
for_array(elem_index, scope->elements.entries) {
Entity *e = scope->elements.entries[elem_index].value;
if (e->scope == parent_scope) continue;
if (ed->using_in_list.count > 0) {
for_array(list_index, ed->using_in_list) {
AstNode *node = ed->using_in_list[list_index];
ast_node(ident, Ident, node);
String name = ident->token.string;
if (is_entity_kind_exported(e->kind)) {
add_entity(c, parent_scope, e->identifier, e);
Entity *e = scope_lookup_entity(scope, name);
if (e == nullptr) {
if (is_blank_ident(name)) {
error(node, "'_' cannot be used as a value");
} else {
error(node, "Undeclared name in this importation: '%.*s'", LIT(name));
}
continue;
}
if (e->scope == parent_scope) continue;
if (is_entity_exported(e)) {
add_entity(c, parent_scope, e->identifier, e);
} else {
error(node, "'%.*s' is exported from this scope", LIT(name));
continue;
}
}
} else {
// NOTE(bill): Add imported entities to this file's scope
for_array(elem_index, scope->elements.entries) {
Entity *e = scope->elements.entries[elem_index].value;
if (e->scope == parent_scope) continue;
if (is_entity_kind_exported(e->kind)) {
add_entity(c, parent_scope, e->identifier, e);
}
}
}