Code use API rather than raw CheckerInfo; begin work on generic procedures

This commit is contained in:
Ginger Bill
2017-06-15 18:11:58 +01:00
parent c5ef5279d4
commit 1851674b50
7 changed files with 280 additions and 129 deletions

View File

@@ -312,6 +312,8 @@ void check_proc_decl(Checker *c, Entity *e, DeclInfo *d) {
ast_node(pd, ProcDecl, d->proc_decl);
check_open_scope(c, pd->type);
defer (check_close_scope(c));
check_procedure_type(c, proc_type, pd->type);
bool is_foreign = (pd->tags & ProcTag_foreign) != 0;
@@ -322,15 +324,14 @@ void check_proc_decl(Checker *c, Entity *e, DeclInfo *d) {
bool is_require_results = (pd->tags & ProcTag_require_results) != 0;
TypeProc *pt = &proc_type->Proc;
if (d->scope->is_file && e->token.string == "main") {
if (proc_type != NULL) {
TypeProc *pt = &proc_type->Proc;
if (pt->param_count != 0 ||
pt->result_count != 0) {
gbString str = type_to_string(proc_type);
error(e->token, "Procedure type of `main` was expected to be `proc()`, got %s", str);
gb_string_free(str);
}
if (pt->param_count != 0 ||
pt->result_count != 0) {
gbString str = type_to_string(proc_type);
error(e->token, "Procedure type of `main` was expected to be `proc()`, got %s", str);
gb_string_free(str);
}
}
@@ -343,6 +344,12 @@ void check_proc_decl(Checker *c, Entity *e, DeclInfo *d) {
}
if (pt->is_generic) {
if (pd->body == NULL) {
error(e->token, "Generic procedures must have a body");
}
}
if (pd->body != NULL) {
if (is_foreign) {
error_node(pd->body, "A foreign procedure cannot have a body");
@@ -357,14 +364,10 @@ void check_proc_decl(Checker *c, Entity *e, DeclInfo *d) {
check_procedure_later(c, c->curr_ast_file, e->token, d, proc_type, pd->body, pd->tags);
}
if (proc_type != NULL && is_type_proc(proc_type)) {
TypeProc *tp = &proc_type->Proc;
if (tp->result_count == 0 && is_require_results) {
error_node(pd->type, "`#require_results` is not needed on a procedure with no results");
} else {
tp->require_results = is_require_results;
}
if (pt->result_count == 0 && is_require_results) {
error_node(pd->type, "`#require_results` is not needed on a procedure with no results");
} else {
pt->require_results = is_require_results;
}
if (is_foreign) {
@@ -428,8 +431,6 @@ void check_proc_decl(Checker *c, Entity *e, DeclInfo *d) {
}
}
}
check_close_scope(c);
}
void check_var_decl(Checker *c, Entity *e, Entity **entities, isize entity_count, AstNode *type_expr, AstNode *init_expr) {
@@ -506,10 +507,8 @@ void check_entity_decl(Checker *c, Entity *e, DeclInfo *d, Type *named_type) {
}
if (d == NULL) {
DeclInfo **found = map_get(&c->info.entities, hash_pointer(e));
if (found) {
d = *found;
} else {
d = decl_info_of_entity(&c->info, e);
if (d == NULL) {
// TODO(bill): Err here?
e->type = t_invalid;
set_base_type(named_type, t_invalid);
@@ -577,10 +576,10 @@ void check_proc_body(Checker *c, Token token, DeclInfo *decl, Type *type, AstNod
String name = e->token.string;
Type *t = base_type(type_deref(e->type));
if (is_type_struct(t) || is_type_raw_union(t)) {
Scope **found = map_get(&c->info.scopes, hash_pointer(t->Record.node));
GB_ASSERT(found != NULL);
for_array(i, (*found)->elements.entries) {
Entity *f = (*found)->elements.entries[i].value;
Scope *scope = scope_of_node(&c->info, t->Record.node);
GB_ASSERT(scope != NULL);
for_array(i, scope->elements.entries) {
Entity *f = scope->elements.entries[i].value;
if (f->kind == Entity_Variable) {
Entity *uvar = make_entity_using_variable(c->allocator, e, f->token, f->type);
uvar->Variable.is_immutable = is_immutable;

View File

@@ -57,9 +57,8 @@ void check_scope_decls(Checker *c, Array<AstNode *> nodes, isize reserve_size) {
default:
continue;
}
DeclInfo **found = map_get(&c->info.entities, hash_pointer(e));
if (found != NULL) {
DeclInfo *d = *found;
DeclInfo *d = decl_info_of_entity(&c->info, e);
if (d != NULL) {
check_entity_decl(c, e, d, NULL);
}
}
@@ -1069,7 +1068,7 @@ Type *check_get_params(Checker *c, Scope *scope, AstNode *_params, bool *is_vari
if (type_expr == NULL) {
Operand o = {};
check_expr(c, &o, default_value);
check_expr_or_type(c, &o, default_value);
if (is_operand_nil(o)) {
default_is_nil = true;
} else if (o.mode != Addressing_Constant) {
@@ -1088,8 +1087,11 @@ Type *check_get_params(Checker *c, Scope *scope, AstNode *_params, bool *is_vari
error_node(param, "Invalid AST: Invalid variadic parameter");
}
}
type = check_type(c, type_expr);
if (type_expr->kind == AstNode_HelperType) {
type = make_type_generic(c->allocator, 0);
} else {
type = check_type(c, type_expr);
}
if (default_value != NULL) {
Operand o = {};
@@ -1135,13 +1137,18 @@ Type *check_get_params(Checker *c, Scope *scope, AstNode *_params, bool *is_vari
for_array(j, p->names) {
AstNode *name = p->names[j];
if (ast_node_expect(name, AstNode_Ident)) {
Entity *param = make_entity_param(c->allocator, scope, name->Ident, type,
(p->flags&FieldFlag_using) != 0, false);
Entity *param = NULL;
if (type->kind == Type_Generic) {
param = make_entity_type_name(c->allocator, scope, name->Ident, type);
} else {
param = make_entity_param(c->allocator, scope, name->Ident, type,
(p->flags&FieldFlag_using) != 0, false);
param->Variable.default_value = value;
param->Variable.default_is_nil = default_is_nil;
}
if (p->flags&FieldFlag_no_alias) {
param->flags |= EntityFlag_NoAlias;
}
param->Variable.default_value = value;
param->Variable.default_is_nil = default_is_nil;
add_entity(c, scope, name, param);
variables[variable_index++] = param;
@@ -1436,6 +1443,15 @@ void check_procedure_type(Checker *c, Type *type, AstNode *proc_type_node) {
type->Proc.c_vararg = true;
}
}
bool is_generic = false;
for (isize i = 0; i < param_count; i++) {
Entity *e = params->Tuple.variables[i];
if (e->type->kind == Type_Generic) {
is_generic = true;
}
}
type->Proc.is_generic = is_generic;
}
@@ -1593,7 +1609,7 @@ Entity *check_ident(Checker *c, Operand *o, AstNode *n, Type *named_type, Type *
}
return e;
case Entity_LibraryName:
error_node(n, "Use of library `%.*s` not in #foreign tag", LIT(name));
error_node(n, "Use of library `%.*s` not in foreign block", LIT(name));
return e;
case Entity_Label:
@@ -1844,11 +1860,6 @@ bool check_type_internal(Checker *c, AstNode *e, Type **type, Type *named_type)
} */
case_end;
case_ast_node(ht, HelperType, e);
*type = check_type(c, ht->type);
return true;
case_end;
case_ast_node(pt, PointerType, e);
Type *elem = check_type(c, pt->type);
i64 esz = type_size_of(c->allocator, elem);
@@ -2559,7 +2570,7 @@ void check_shift(Checker *c, Operand *x, Operand *y, AstNode *node) {
TokenPos pos = ast_node_token(x->expr).pos;
if (x_is_untyped) {
ExprInfo *info = map_get(&c->info.untyped, hash_pointer(x->expr));
ExprInfo *info = check_get_expr_info(&c->info, x->expr);
if (info != NULL) {
info->is_lhs = true;
}
@@ -3014,8 +3025,7 @@ void check_binary_expr(Checker *c, Operand *x, AstNode *node) {
void update_expr_type(Checker *c, AstNode *e, Type *type, bool final) {
HashKey key = hash_pointer(e);
ExprInfo *found = map_get(&c->info.untyped, key);
ExprInfo *found = check_get_expr_info(&c->info, e);
if (found == NULL) {
return;
}
@@ -3054,12 +3064,12 @@ void update_expr_type(Checker *c, AstNode *e, Type *type, bool final) {
if (!final && is_type_untyped(type)) {
old.type = base_type(type);
map_set(&c->info.untyped, key, old);
check_set_expr_info(&c->info, e, old);
return;
}
// We need to remove it and then give it a new one
map_remove(&c->info.untyped, key);
check_remove_expr_info(&c->info, e);
if (old.is_lhs && !is_type_integer(type)) {
gbString expr_str = expr_to_string(e);
@@ -3074,7 +3084,7 @@ void update_expr_type(Checker *c, AstNode *e, Type *type, bool final) {
}
void update_expr_value(Checker *c, AstNode *e, ExactValue value) {
ExprInfo *found = map_get(&c->info.untyped, hash_pointer(e));
ExprInfo *found = check_get_expr_info(&c->info, e);
if (found) {
found->value = value;
}
@@ -4741,7 +4751,13 @@ bool check_unpack_arguments(Checker *c, isize lhs_count, Array<Operand> *operand
bool optional_ok = false;
for_array(i, rhs) {
Operand o = {};
check_multi_expr(c, &o, rhs[i]);
check_expr_base(c, &o, rhs[i], NULL);
if (o.mode == Addressing_NoValue) {
error_operand_no_value(&o);
o.mode = Addressing_Invalid;
}
// check_multi_expr(c, &o, rhs[i]);
if (o.type == NULL || o.type->kind != Type_Tuple) {
if (allow_ok && lhs_count == 2 && rhs.count == 1 &&
@@ -4801,6 +4817,10 @@ CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
if (param_tuple != NULL) {
for (isize i = param_count-1; i >= 0; i--) {
Entity *e = param_tuple->variables[i];
if (e->kind == Entity_TypeName) {
break;
}
GB_ASSERT(e->kind == Entity_Variable);
if (e->Variable.default_value.kind != ExactValue_Invalid) {
param_count_excluding_defaults--;
@@ -4863,13 +4883,25 @@ CALL_ARGUMENT_CHECKER(check_call_arguments_internal) {
CallArgumentError err = CallArgumentError_None;
GB_ASSERT(proc_type->Proc.params != NULL);
Entity **sig_params = param_tuple->variables;
isize operand_index = 0;
isize max_operand_count = gb_min(param_count, operands.count);
for (; operand_index < max_operand_count; operand_index++) {
Type *t = sig_params[operand_index]->type;
Entity *e = sig_params[operand_index];
Type *t = e->type;
Operand o = operands[operand_index];
if (e->kind == Entity_TypeName) {
GB_ASSERT(proc_type->Proc.is_generic);
GB_ASSERT(!variadic);
if (o.mode == Addressing_Invalid) {
continue;
} else if (o.mode != Addressing_Type) {
error_node(o.expr, "Expected a type for the argument");
}
continue;
}
if (variadic) {
o = operands[operand_index];
}
@@ -4984,17 +5016,27 @@ CALL_ARGUMENT_CHECKER(check_named_call_arguments) {
params_visited[index] = true;
Operand *o = &operands[i];
Entity *e = pt->params->Tuple.variables[index];
Type *param_type = pt->params->Tuple.variables[index]->type;
i64 s = 0;
if (!check_is_assignable_to_with_score(c, o, param_type, &s)) {
if (show_error) {
check_assignment(c, o, param_type, str_lit("procedure argument"));
if (e->kind == Entity_TypeName) {
GB_ASSERT(pt->is_generic);
GB_ASSERT(!pt->variadic);
if (o->mode == Addressing_Invalid) {
continue;
} else if (o->mode != Addressing_Type) {
error_node(o->expr, "Expected a type for the argument");
}
err = CallArgumentError_WrongTypes;
score += 1;
} else {
i64 s = 0;
if (!check_is_assignable_to_with_score(c, o, e->type, &s)) {
if (show_error) {
check_assignment(c, o, e->type, str_lit("procedure argument"));
}
err = CallArgumentError_WrongTypes;
}
score += s;
}
score += s;
}
@@ -5079,9 +5121,8 @@ Type *check_call_arguments(Checker *c, Operand *operand, Type *proc_type, AstNod
for (isize i = 0; i < overload_count; i++) {
Entity *e = procs[i];
DeclInfo **found = map_get(&c->info.entities, hash_pointer(e));
GB_ASSERT(found != NULL);
DeclInfo *d = *found;
DeclInfo *d = decl_info_of_entity(&c->info, e);
GB_ASSERT(d != NULL);
check_entity_decl(c, e, d, NULL);
}
@@ -5277,18 +5318,27 @@ ExprKind check_call_expr(Checker *c, Operand *operand, AstNode *call) {
operand->expr = call;
return Expr_Stmt;
}
switch (pt->Proc.result_count) {
case 0:
bool results_are_generic = false;
if (pt->Proc.results != NULL) {
results_are_generic = is_type_generic(pt->Proc.results);
}
if (results_are_generic) {
operand->mode = Addressing_NoValue;
break;
case 1:
operand->mode = Addressing_Value;
operand->type = pt->Proc.results->Tuple.variables[0]->type;
break;
default:
operand->mode = Addressing_Value;
operand->type = pt->Proc.results;
break;
} else {
switch (pt->Proc.result_count) {
case 0:
operand->mode = Addressing_NoValue;
break;
case 1:
operand->mode = Addressing_Value;
operand->type = pt->Proc.results->Tuple.variables[0]->type;
break;
default:
operand->mode = Addressing_Value;
operand->type = pt->Proc.results;
break;
}
}
operand->expr = call;
@@ -6628,11 +6678,6 @@ gbString write_expr_to_string(gbString str, AstNode *node) {
str = gb_string_appendc(str, "}");
case_end;
case_ast_node(ht, HelperType, node);
str = gb_string_appendc(str, "#type ");
str = write_expr_to_string(str, ht->type);
case_end;
case_ast_node(at, AtomicType, node);
str = gb_string_appendc(str, "atomic ");
str = write_expr_to_string(str, at->type);

View File

@@ -530,9 +530,7 @@ bool check_using_stmt_entity(Checker *c, AstNodeUsingStmt *us, AstNode *expr, bo
Type *t = base_type(type_deref(e->type));
if (is_type_struct(t) || is_type_raw_union(t) || is_type_union(t)) {
// TODO(bill): Make it work for unions too
Scope **found_ = map_get(&c->info.scopes, hash_pointer(t->Record.node));
GB_ASSERT(found_ != NULL);
Scope *found = *found_;
Scope *found = scope_of_node(&c->info, t->Record.node);
for_array(i, found->elements.entries) {
Entity *f = found->elements.entries[i].value;
if (f->kind == Entity_Variable) {
@@ -1695,10 +1693,9 @@ void check_stmt_internal(Checker *c, AstNode *node, u32 flags) {
Type *t = base_type(type_deref(e->type));
if (is_type_struct(t) || is_type_raw_union(t)) {
Scope **found = map_get(&c->info.scopes, hash_pointer(t->Record.node));
GB_ASSERT(found != NULL);
for_array(i, (*found)->elements.entries) {
Entity *f = (*found)->elements.entries[i].value;
Scope *scope = scope_of_node(&c->info, t->Record.node);
for_array(i, scope->elements.entries) {
Entity *f = scope->elements.entries[i].value;
if (f->kind == Entity_Variable) {
Entity *uvar = make_entity_using_variable(c->allocator, e, f->token, f->type);
uvar->Variable.is_immutable = is_immutable;

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@@ -284,7 +284,8 @@ struct Checker {
AstFile * curr_ast_file;
Scope * global_scope;
Array<ProcedureInfo> procs; // NOTE(bill): Procedures to check
// NOTE(bill): Procedures to check
Map<ProcedureInfo> procs; // Key: DeclInfo *
Array<DelayedDecl> delayed_imports;
Array<DelayedDecl> delayed_foreign_libraries;
Array<CheckerFileNode> file_nodes;
@@ -307,6 +308,22 @@ struct DelayedEntity {
DeclInfo * decl;
};
Entity * entity_of_ident (CheckerInfo *i, AstNode *identifier);
TypeAndValue type_and_value_of_expr (CheckerInfo *i, AstNode *expr);
Type * type_of_expr (CheckerInfo *i, AstNode *expr);
Entity * implicit_entity_of_node(CheckerInfo *i, AstNode *clause);
DeclInfo * decl_info_of_entity (CheckerInfo *i, Entity * e);
DeclInfo * decl_info_of_ident (CheckerInfo *i, AstNode *ident);
AstFile * ast_file_of_filename (CheckerInfo *i, String filename);
Scope * scope_of_node (CheckerInfo *i, AstNode *node);
ExprInfo * check_get_expr_info (CheckerInfo *i, AstNode *expr);
void check_set_expr_info (CheckerInfo *i, AstNode *expr, ExprInfo info);
void check_remove_expr_info (CheckerInfo *i, AstNode *expr);
Entity *current_scope_lookup_entity(Scope *s, String name);
void scope_lookup_parent_entity (Scope *s, String name, Scope **scope_, Entity **entity_);
Entity *scope_lookup_entity (Scope *s, String name);
Entity *scope_insert_entity (Scope *s, Entity *entity);
@@ -596,11 +613,12 @@ void add_global_constant(gbAllocator a, String name, Type *type, ExactValue valu
void add_global_string_constant(gbAllocator a, String name, String value) {
add_global_constant(a, name, t_untyped_string, exact_value_string(value));
}
void init_universal_scope(void) {
BuildContext *bc = &build_context;
// NOTE(bill): No need to free these
@@ -701,7 +719,7 @@ void init_checker(Checker *c, Parser *parser, BuildContext *bc) {
init_checker_info(&c->info);
array_init(&c->proc_stack, a);
array_init(&c->procs, a);
map_init(&c->procs, a);
array_init(&c->delayed_imports, a);
array_init(&c->delayed_foreign_libraries, a);
array_init(&c->file_nodes, a);
@@ -738,7 +756,7 @@ void destroy_checker(Checker *c) {
destroy_checker_info(&c->info);
destroy_scope(c->global_scope);
array_free(&c->proc_stack);
array_free(&c->procs);
map_destroy(&c->procs);
array_free(&c->delayed_imports);
array_free(&c->delayed_foreign_libraries);
array_free(&c->file_nodes);
@@ -761,9 +779,9 @@ Entity *entity_of_ident(CheckerInfo *i, AstNode *identifier) {
return NULL;
}
TypeAndValue type_and_value_of_expr(CheckerInfo *i, AstNode *expression) {
TypeAndValue type_and_value_of_expr(CheckerInfo *i, AstNode *expr) {
TypeAndValue result = {};
TypeAndValue *found = map_get(&i->types, hash_pointer(expression));
TypeAndValue *found = map_get(&i->types, hash_pointer(expr));
if (found) result = *found;
return result;
}
@@ -812,8 +830,22 @@ AstFile *ast_file_of_filename(CheckerInfo *i, String filename) {
}
return NULL;
}
Scope *scope_of_node(CheckerInfo *i, AstNode *node) {
Scope **found = map_get(&i->scopes, hash_pointer(node));
if (found) {
return *found;
}
return NULL;
}
ExprInfo *check_get_expr_info(CheckerInfo *i, AstNode *expr) {
return map_get(&i->untyped, hash_pointer(expr));
}
void check_set_expr_info(CheckerInfo *i, AstNode *expr, ExprInfo info) {
map_set(&i->untyped, hash_pointer(expr), info);
}
void check_remove_expr_info(CheckerInfo *i, AstNode *expr) {
map_remove(&i->untyped, hash_pointer(expr));
}
@@ -1082,7 +1114,7 @@ void check_procedure_later(Checker *c, AstFile *file, Token token, DeclInfo *dec
info.type = type;
info.body = body;
info.tags = tags;
array_add(&c->procs, info);
map_set(&c->procs, hash_pointer(decl), info);
}
void push_procedure(Checker *c, Type *type) {
@@ -1113,24 +1145,21 @@ void add_curr_ast_file(Checker *c, AstFile *file) {
}
void add_dependency_to_map(Map<Entity *> *map, CheckerInfo *info, Entity *node) {
if (node == NULL) {
void add_dependency_to_map(Map<Entity *> *map, CheckerInfo *info, Entity *entity) {
if (entity == NULL) {
return;
}
if (map_get(map, hash_pointer(node)) != NULL) {
if (map_get(map, hash_pointer(entity)) != NULL) {
return;
}
map_set(map, hash_pointer(node), node);
map_set(map, hash_pointer(entity), entity);
DeclInfo **found = map_get(&info->entities, hash_pointer(node));
if (found == NULL) {
DeclInfo *decl = decl_info_of_entity(info, entity);
if (decl == NULL) {
return;
}
DeclInfo *decl = *found;
for_array(i, decl->deps.entries) {
Entity *e = cast(Entity *)decl->deps.entries[i].key.ptr;
add_dependency_to_map(map, info, e);
@@ -1333,6 +1362,15 @@ void check_procedure_overloading(Checker *c, Entity *e) {
TokenPos pos = q->token.pos;
if (is_type_proc(q->type)) {
TypeProc *ptq = &base_type(q->type)->Proc;
if (ptq->is_generic) {
q->type = t_invalid;
error(q->token, "Generic procedure `%.*s` cannot be overloaded", LIT(name));
continue;
}
}
ProcTypeOverloadKind kind = are_proc_types_overload_safe(p->type, q->type);
switch (kind) {
case ProcOverload_Identical:
@@ -2132,9 +2170,17 @@ void check_parsed_files(Checker *c) {
// Check procedure bodies
// NOTE(bill): Nested procedures bodies will be added to this "queue"
for_array(i, c->procs) {
ProcedureInfo *pi = &c->procs[i];
for_array(i, c->procs.entries) {
ProcedureInfo *pi = &c->procs.entries[i].value;
CheckerContext prev_context = c->context;
defer (c->context = prev_context);
TypeProc *pt = &pi->type->Proc;
if (pt->is_generic) {
error(pi->token, "Generic procedures are not yet supported");
continue;
}
add_curr_ast_file(c, pi->file);
bool bounds_check = (pi->tags & ProcTag_bounds_check) != 0;
@@ -2150,8 +2196,6 @@ void check_parsed_files(Checker *c) {
}
check_proc_body(c, pi->token, pi->decl, pi->type, pi->body);
c->context = prev_context;
}
// Add untyped expression values

View File

@@ -1134,10 +1134,7 @@ irValue *ir_generate_array(irModule *m, Type *elem_type, i64 count, String prefi
irBlock *ir_new_block(irProcedure *proc, AstNode *node, char *label) {
Scope *scope = NULL;
if (node != NULL) {
Scope **found = map_get(&proc->module->info->scopes, hash_pointer(node));
if (found) {
scope = *found;
}
scope = scope_of_node(proc->module->info, node);
GB_ASSERT_MSG(scope != NULL, "Block scope not found for %.*s", LIT(ast_node_strings[node->kind]));
}

View File

@@ -363,7 +363,6 @@ AST_NODE_KIND(_DeclEnd, "", i32) \
AST_NODE_KIND(_TypeBegin, "", i32) \
AST_NODE_KIND(HelperType, "type", struct { \
Token token; \
AstNode *type; \
}) \
AST_NODE_KIND(ProcType, "procedure type", struct { \
Token token; \
@@ -790,7 +789,6 @@ AstNode *clone_ast_node(gbAllocator a, AstNode *node) {
break;
case AstNode_HelperType:
n->HelperType.type = clone_ast_node(a, n->HelperType.type);
break;
case AstNode_ProcType:
break;
@@ -1313,10 +1311,9 @@ AstNode *ast_union_field(AstFile *f, AstNode *name, AstNode *list) {
}
AstNode *ast_helper_type(AstFile *f, Token token, AstNode *type) {
AstNode *ast_helper_type(AstFile *f, Token token) {
AstNode *result = make_ast_node(f, AstNode_HelperType);
result->HelperType.token = token;
result->HelperType.type = type;
return result;
}
@@ -1684,9 +1681,6 @@ bool is_semicolon_optional_for_node(AstFile *f, AstNode *s) {
case AstNode_TypeMatchStmt:
return true;
case AstNode_HelperType:
return is_semicolon_optional_for_node(f, s->HelperType.type);
case AstNode_PointerType:
return is_semicolon_optional_for_node(f, s->PointerType.type);
@@ -2108,11 +2102,6 @@ AstNode *parse_operand(AstFile *f, bool lhs) {
return ast_paren_expr(f, operand, open, close);
}
case Token_type: {
Token token = expect_token(f, Token_type);
return ast_helper_type(f, token, parse_type(f));
}
case Token_Hash: {
Token token = expect_token(f, Token_Hash);
Token name = expect_token(f, Token_Ident);
@@ -3057,7 +3046,7 @@ AstNode *parse_proc_type(AstFile *f, Token proc_token, String *link_name_) {
return ast_proc_type(f, proc_token, params, results, tags, cc);
}
AstNode *parse_var_type(AstFile *f, bool allow_ellipsis) {
AstNode *parse_var_type(AstFile *f, bool allow_ellipsis, bool allow_type_token) {
if (allow_ellipsis && f->curr_token.kind == Token_Ellipsis) {
Token tok = f->curr_token;
next_token(f);
@@ -3068,7 +3057,13 @@ AstNode *parse_var_type(AstFile *f, bool allow_ellipsis) {
}
return ast_ellipsis(f, tok, type);
}
AstNode *type = parse_type_attempt(f);
AstNode *type = NULL;
if (allow_type_token &&
f->curr_token.kind == Token_type) {
type = ast_helper_type(f, expect_token(f, Token_type));
} else {
type = parse_type_attempt(f);
}
if (type == NULL) {
Token tok = f->curr_token;
error(tok, "Expected a type");
@@ -3221,7 +3216,7 @@ AstNode *parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags, Tok
f->curr_token.kind != Token_Colon &&
f->curr_token.kind != Token_EOF) {
u32 flags = parse_field_prefixes(f);
AstNode *param = parse_var_type(f, allow_ellipsis);
AstNode *param = parse_var_type(f, allow_ellipsis, is_procedure);
AstNodeAndFlags naf = {param, flags};
array_add(&list, naf);
if (f->curr_token.kind != Token_Comma) {
@@ -3248,7 +3243,7 @@ AstNode *parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags, Tok
if (f->curr_token.kind != Token_Eq) {
expect_token_after(f, Token_Colon, "field list");
type = parse_var_type(f, allow_ellipsis);
type = parse_var_type(f, allow_ellipsis, is_procedure);
}
if (allow_token(f, Token_Eq)) {
// TODO(bill): Should this be true==lhs or false==rhs?
@@ -3282,7 +3277,7 @@ AstNode *parse_field_list(AstFile *f, isize *name_count_, u32 allowed_flags, Tok
AstNode *default_value = NULL;
if (f->curr_token.kind != Token_Eq) {
expect_token_after(f, Token_Colon, "field list");
type = parse_var_type(f, allow_ellipsis);
type = parse_var_type(f, allow_ellipsis, is_procedure);
}
if (allow_token(f, Token_Eq)) {
// TODO(bill): Should this be true==lhs or false==rhs?
@@ -3482,7 +3477,7 @@ AstNode *parse_type_or_ident(AstFile *f) {
u32 set_flags = check_field_prefixes(f, names.count, FieldFlag_using, decl_flags);
total_decl_name_count += names.count;
expect_token_after(f, Token_Colon, "field list");
AstNode *type = parse_var_type(f, false);
AstNode *type = parse_var_type(f, false, false);
array_add(&decls, ast_field(f, names, type, NULL, set_flags));
} else {
Array<AstNode *> names = parse_ident_list(f);
@@ -3493,7 +3488,7 @@ AstNode *parse_type_or_ident(AstFile *f) {
u32 set_flags = check_field_prefixes(f, names.count, FieldFlag_using, decl_flags);
total_decl_name_count += names.count;
expect_token_after(f, Token_Colon, "field list");
AstNode *type = parse_var_type(f, false);
AstNode *type = parse_var_type(f, false, false);
array_add(&decls, ast_field(f, names, type, NULL, set_flags));
} else {
AstNode *name = names[0];

View File

@@ -115,6 +115,7 @@ struct TypeRecord {
#define TYPE_KINDS \
TYPE_KIND(Basic, BasicType) \
TYPE_KIND(Generic, struct{ i64 id; }) \
TYPE_KIND(Pointer, struct { Type *elem; }) \
TYPE_KIND(Atomic, struct { Type *elem; }) \
TYPE_KIND(Array, struct { Type *elem; i64 count; }) \
@@ -145,6 +146,7 @@ struct TypeRecord {
bool variadic; \
bool require_results; \
bool c_vararg; \
bool is_generic; \
ProcCallingConvention calling_convention; \
}) \
TYPE_KIND(Map, struct { \
@@ -467,6 +469,12 @@ Type *make_type_basic(gbAllocator a, BasicType basic) {
return t;
}
Type *make_type_generic(gbAllocator a, i64 id) {
Type *t = alloc_type(a, Type_Generic);
t->Generic.id = id;
return t;
}
Type *make_type_pointer(gbAllocator a, Type *elem) {
Type *t = alloc_type(a, Type_Pointer);
t->Pointer.elem = elem;
@@ -917,6 +925,72 @@ bool is_type_indexable(Type *t) {
return is_type_array(t) || is_type_slice(t) || is_type_vector(t) || is_type_string(t);
}
bool is_type_generic(Type *t) {
t = core_type(t);
switch (t->kind) {
case Type_Generic:
return true;
case Type_Pointer:
return is_type_generic(t->Pointer.elem);
case Type_Atomic:
return is_type_generic(t->Atomic.elem);
case Type_Array:
return is_type_generic(t->Array.elem);
case Type_DynamicArray:
return is_type_generic(t->DynamicArray.elem);
case Type_Vector:
return is_type_generic(t->Vector.elem);
case Type_Slice:
return is_type_generic(t->Slice.elem);
case Type_Tuple:
for (isize i = 0; i < t->Tuple.variable_count; i++) {
if (is_type_generic(t->Tuple.variables[i]->type)) {
return true;
}
}
break;
case Type_Proc:
if (t->Proc.param_count > 0 &&
is_type_generic(t->Proc.params)) {
return true;
}
if (t->Proc.result_count > 0 &&
is_type_generic(t->Proc.results)) {
return true;
}
break;
// case Type_Record:
// GB_ASSERT(t->Record.kind != TypeRecord_Enum);
// for (isize i = 0; i < t->Record.field_count; i++) {
// if (is_type_generic(t->Record.fields[i]->type)) {
// return true;
// }
// }
// for (isize i = 1; i < t->Record.variant_count; i++) {
// if (is_type_generic(t->Record.variants[i]->type)) {
// return true;
// }
// }
// break;
case Type_Map:
if (is_type_generic(t->Map.key)) {
return true;
}
if (is_type_generic(t->Map.value)) {
return true;
}
break;
}
return false;
}
bool type_has_nil(Type *t) {
t = base_type(t);