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Improve missing handled results for built in procedures

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This commit is contained in:
gingerBill
2022-05-30 15:57:26 +01:00
parent 5b42dd7707
commit f3868ac932
4 changed files with 61 additions and 35 deletions
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46
src/check_stmt.cpp
View File

@@ -1381,6 +1381,18 @@ bool all_operands_valid(Array<Operand> const &operands) {
return true;
}
bool check_stmt_internal_builtin_proc_id(Ast *expr, BuiltinProcId *id_) {
BuiltinProcId id = BuiltinProc_Invalid;
Entity *e = entity_of_node(expr);
if (e != nullptr && e->kind == Entity_Builtin) {
if (e->Builtin.id && e->Builtin.id != BuiltinProc_DIRECTIVE) {
id = cast(BuiltinProcId)e->Builtin.id;
}
}
if (id_) *id_ = id;
return id != BuiltinProc_Invalid;
}
void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags) {
u32 mod_flags = flags & (~Stmt_FallthroughAllowed);
switch (node->kind) {
@@ -1408,26 +1420,40 @@ void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags) {
Ast *expr = strip_or_return_expr(operand.expr);
if (expr->kind == Ast_CallExpr) {
BuiltinProcId builtin_id = BuiltinProc_Invalid;
bool do_require = false;
AstCallExpr *ce = &expr->CallExpr;
Type *t = base_type(type_of_expr(ce->proc));
if (t->kind == Type_Proc) {
if (t->Proc.require_results) {
gbString expr_str = expr_to_string(ce->proc);
error(node, "'%s' requires that its results must be handled", expr_str);
gb_string_free(expr_str);
}
do_require = t->Proc.require_results;
} else if (check_stmt_internal_builtin_proc_id(ce->proc, &builtin_id)) {
auto const &bp = builtin_procs[builtin_id];
do_require = bp.kind == Expr_Expr && !bp.ignore_results;
}
if (do_require) {
gbString expr_str = expr_to_string(ce->proc);
error(node, "'%s' requires that its results must be handled", expr_str);
gb_string_free(expr_str);
}
return;
} else if (expr->kind == Ast_SelectorCallExpr) {
BuiltinProcId builtin_id = BuiltinProc_Invalid;
bool do_require = false;
AstSelectorCallExpr *se = &expr->SelectorCallExpr;
ast_node(ce, CallExpr, se->call);
Type *t = base_type(type_of_expr(ce->proc));
if (t->kind == Type_Proc) {
if (t->Proc.require_results) {
gbString expr_str = expr_to_string(ce->proc);
error(node, "'%s' requires that its results must be handled", expr_str);
gb_string_free(expr_str);
}
do_require = t->Proc.require_results;
} else if (check_stmt_internal_builtin_proc_id(ce->proc, &builtin_id)) {
auto const &bp = builtin_procs[builtin_id];
do_require = bp.kind == Expr_Expr && !bp.ignore_results;
}
if (do_require) {
gbString expr_str = expr_to_string(ce->proc);
error(node, "'%s' requires that its results must be handled", expr_str);
gb_string_free(expr_str);
}
return;
}

1
src/checker.hpp
View File

@@ -60,6 +60,7 @@ struct BuiltinProc {
ExprKind kind;
BuiltinProcPkg pkg;
bool diverging;
bool ignore_results; // ignores require results handling
};

48
src/checker_builtin_procs.hpp
View File

@@ -385,26 +385,26 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
{STR_LIT("atomic_signal_fence"), 1, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_store"), 2, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_store_explicit"), 3, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_load"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_load_explicit"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_add"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_add_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_sub"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_sub_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_and"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_and_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_nand"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_nand_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_or"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_or_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_xor"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_xor_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_exchange"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_exchange_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_compare_exchange_strong"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_compare_exchange_strong_explicit"), 5, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_compare_exchange_weak"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_compare_exchange_weak_explicit"), 5, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("atomic_load"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_load_explicit"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_add"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_add_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_sub"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_sub_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_and"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_and_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_nand"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_nand_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_or"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_or_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_xor"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_xor_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_exchange"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_exchange_explicit"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_compare_exchange_strong"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_compare_exchange_strong_explicit"), 5, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_compare_exchange_weak"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("atomic_compare_exchange_weak_explicit"), 5, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("fixed_point_mul"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("fixed_point_div"), 3, false, Expr_Expr, BuiltinProcPkg_intrinsics},
@@ -477,7 +477,7 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
{STR_LIT(""), 0, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
{STR_LIT("syscall"), 1, true, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("syscall"), 1, true, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("x86_cpuid"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("x86_xgetbv"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
@@ -565,12 +565,12 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = {
{STR_LIT("__entry_point"), 0, false, Expr_Stmt, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_send"), 3, true, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_send"), 3, true, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("objc_find_selector"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_find_class"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_register_selector"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_register_class"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},
{STR_LIT("objc_register_selector"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("objc_register_class"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics, false, true},
{STR_LIT("constant_utf16_cstring"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},

1
src/parser.hpp
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@@ -411,7 +411,6 @@ AST_KIND(_ExprBegin, "", bool) \
Token ellipsis; \
ProcInlining inlining; \
bool optional_ok_one; \
i32 builtin_id; \
void *sce_temp_data; \
}) \
AST_KIND(FieldValue, "field value", struct { Token eq; Ast *field, *value; }) \