diff options
Diffstat (limited to 'src/check_expr.cpp')
| -rw-r--r-- | src/check_expr.cpp | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/check_expr.cpp b/src/check_expr.cpp index cd2307c6d..3b470cb88 100644 --- a/src/check_expr.cpp +++ b/src/check_expr.cpp @@ -8210,7 +8210,7 @@ gb_internal void check_objc_call_expr(CheckerContext *c, Operand *operand, Ast * add_objc_proc_type(c, call, return_type, param_types); } -gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *call, Ast *proc, Slice<Ast *> const &args, ProcInlining inlining, Type *type_hint) { +gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *call, Ast *proc, Slice<Ast *> const &args, ProcInlining inlining, ProcTailing tailing, Type *type_hint) { if (proc != nullptr && proc->kind == Ast_BasicDirective) { ast_node(bd, BasicDirective, proc); @@ -8241,7 +8241,10 @@ gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *c return Expr_Expr; } if (inlining != ProcInlining_none) { - error(call, "Inlining operators are not allowed on built-in procedures"); + error(call, "Inlining directives are not allowed on built-in procedures"); + } + if (tailing != ProcTailing_none) { + error(call, "Tailing directives are not allowed on built-in procedures"); } } else { if (proc != nullptr) { @@ -8383,6 +8386,7 @@ gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *c } bool is_call_inlined = false; + bool is_call_tailed = true; switch (inlining) { case ProcInlining_inline: @@ -8417,6 +8421,20 @@ gb_internal ExprKind check_call_expr(CheckerContext *c, Operand *operand, Ast *c } } + switch (tailing) { + case ProcTailing_none: + break; + case ProcTailing_must_tail: + is_call_tailed = true; + if (proc != nullptr) { + Entity *e = entity_from_expr(proc); + if (e != nullptr && e->kind == Entity_Procedure) { + // TODO(bill): `preserve_none` + } + } + break; + } + { String invalid; if (pt->kind == Type_Proc && pt->Proc.require_target_feature.len != 0) { @@ -11825,7 +11843,7 @@ gb_internal ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast case_end; case_ast_node(ce, CallExpr, node); - return check_call_expr(c, o, node, ce->proc, ce->args, ce->inlining, type_hint); + return check_call_expr(c, o, node, ce->proc, ce->args, ce->inlining, ce->tailing, type_hint); case_end; case_ast_node(de, DerefExpr, node); @@ -12566,6 +12584,12 @@ gb_internal gbString write_expr_to_string(gbString str, Ast *node, bool shorthan case_end; case_ast_node(ce, CallExpr, node); + switch (ce->tailing) { + case ProcTailing_must_tail: + str = gb_string_appendc(str, "#must_tail "); + break; + } + switch (ce->inlining) { case ProcInlining_inline: str = gb_string_appendc(str, "#force_inline "); |