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Fix #4445

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This commit is contained in:
Airtz
2025-06-22 16:15:22 +02:00
parent 8d37f9de09
commit 19c0f43e19
1 changed files with 26 additions and 19 deletions
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45
src/check_expr.cpp
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@@ -5884,12 +5884,12 @@ typedef u32 UnpackFlags;
enum UnpackFlag : u32 {
UnpackFlag_None = 0,
UnpackFlag_AllowOk = 1<<0,
UnpackFlag_IsVariadic = 1<<1,
UnpackFlag_AllowUndef = 1<<2,
UnpackFlag_AllowUndef = 1<<1,
};
gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize lhs_count, Array<Operand> *operands, Slice<Ast *> const &rhs_arguments, UnpackFlags flags) {
gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize lhs_count, Array<Operand> *operands, Slice<Ast *> const &rhs_arguments, UnpackFlags flags,
isize variadic_index = -1) {
auto const &add_dependencies_from_unpacking = [](CheckerContext *c, Entity **lhs, isize lhs_count, isize tuple_index, isize tuple_count) -> isize {
if (lhs == nullptr || c->decl == nullptr) {
return tuple_count;
@@ -5914,10 +5914,12 @@ gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize
return tuple_count;
};
bool allow_ok = (flags & UnpackFlag_AllowOk) != 0;
bool is_variadic = (flags & UnpackFlag_IsVariadic) != 0;
bool allow_undef = (flags & UnpackFlag_AllowUndef) != 0;
if (variadic_index < 0) {
variadic_index = lhs_count;
}
bool optional_ok = false;
isize tuple_index = 0;
@@ -5934,8 +5936,7 @@ gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize
Type *type_hint = nullptr;
if (lhs != nullptr && tuple_index < lhs_count) {
if (lhs != nullptr && tuple_index < variadic_index) {
// NOTE(bill): override DeclInfo for dependency
Entity *e = lhs[tuple_index];
if (e != nullptr) {
@@ -5946,9 +5947,9 @@ gb_internal bool check_unpack_arguments(CheckerContext *ctx, Entity **lhs, isize
type_hint = e->type->Slice.elem;
}
}
} else if (lhs != nullptr && tuple_index >= lhs_count && is_variadic) {
} else if (lhs != nullptr && tuple_index >= variadic_index) {
// NOTE(bill): override DeclInfo for dependency
Entity *e = lhs[lhs_count-1];
Entity *e = lhs[variadic_index];
if (e != nullptr) {
type_hint = e->type;
if (e->flags & EntityFlag_Ellipsis) {
@@ -6493,7 +6494,7 @@ gb_internal bool is_call_expr_field_value(AstCallExpr *ce) {
return ce->args[0]->kind == Ast_FieldValue;
}
gb_internal Entity **populate_proc_parameter_list(CheckerContext *c, Type *proc_type, isize *lhs_count_, bool *is_variadic) {
gb_internal Entity **populate_proc_parameter_list(CheckerContext *c, Type *proc_type, isize *lhs_count_) {
Entity **lhs = nullptr;
isize lhs_count = -1;
@@ -6503,7 +6504,6 @@ gb_internal Entity **populate_proc_parameter_list(CheckerContext *c, Type *proc_
GB_ASSERT(is_type_proc(proc_type));
TypeProc *pt = &base_type(proc_type)->Proc;
*is_variadic = pt->variadic;
if (!pt->is_polymorphic || pt->is_poly_specialized) {
if (pt->params != nullptr) {
@@ -6833,7 +6833,7 @@ gb_internal CallArgumentData check_call_arguments_proc_group(CheckerContext *c,
Entity **lhs = nullptr;
isize lhs_count = -1;
bool is_variadic = false;
i32 variadic_index = -1;
auto positional_operands = array_make<Operand>(heap_allocator(), 0, 0);
auto named_operands = array_make<Operand>(heap_allocator(), 0, 0);
@@ -6842,9 +6842,13 @@ gb_internal CallArgumentData check_call_arguments_proc_group(CheckerContext *c,
if (procs.count == 1) {
Entity *e = procs[0];
lhs = populate_proc_parameter_list(c, e->type, &lhs_count, &is_variadic);
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, is_variadic ? UnpackFlag_IsVariadic : UnpackFlag_None);
TypeProc *pt = &base_type(e->type)->Proc;
lhs = populate_proc_parameter_list(c, e->type, &lhs_count);
if (pt->variadic) {
variadic_index = pt->variadic_index;
}
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, UnpackFlag_None, variadic_index);
if (check_named_arguments(c, e->type, named_args, &named_operands, true)) {
check_call_arguments_single(c, call, operand,
@@ -6908,7 +6912,7 @@ gb_internal CallArgumentData check_call_arguments_proc_group(CheckerContext *c,
}
}
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, is_variadic ? UnpackFlag_IsVariadic : UnpackFlag_None);
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, UnpackFlag_None, variadic_index);
for_array(i, named_args) {
Ast *arg = named_args[i];
@@ -7347,12 +7351,15 @@ gb_internal CallArgumentData check_call_arguments(CheckerContext *c, Operand *op
if (positional_args.count > 0) {
isize lhs_count = -1;
bool is_variadic = false;
Entity **lhs = nullptr;
i32 variadic_index = -1;
if (pt != nullptr) {
lhs = populate_proc_parameter_list(c, proc_type, &lhs_count, &is_variadic);
lhs = populate_proc_parameter_list(c, proc_type, &lhs_count);
if (pt->variadic) {
variadic_index = pt->variadic_index;
}
}
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, is_variadic ? UnpackFlag_IsVariadic : UnpackFlag_None);
check_unpack_arguments(c, lhs, lhs_count, &positional_operands, positional_args, UnpackFlag_None, variadic_index);
}
if (named_args.count > 0) {