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-rw-r--r--src/synth/synth-vhdl_eval.adb12
-rw-r--r--src/vhdl/vhdl-sem_specs.adb20
2 files changed, 24 insertions, 8 deletions
diff --git a/src/synth/synth-vhdl_eval.adb b/src/synth/synth-vhdl_eval.adb
index f64be7158..46387c906 100644
--- a/src/synth/synth-vhdl_eval.adb
+++ b/src/synth/synth-vhdl_eval.adb
@@ -25,6 +25,7 @@ with Grt.Types; use Grt.Types;
with Grt.Vhdl_Types; use Grt.Vhdl_Types;
with Grt.To_Strings;
with Grt.Arith;
+with Grt.Fcvt;
with Vhdl.Utils;
with Vhdl.Evaluation;
@@ -2988,6 +2989,17 @@ package body Synth.Vhdl_Eval is
begin
return Create_Memory_Fp64 (Atan (Read_Fp64 (Param1)), Res_Typ);
end;
+
+ when Iir_Predefined_Foreign_Textio_Read_Real =>
+ declare
+ Len : constant Natural := Natural (Param1.Typ.Abound.Len);
+ Res : Fp64;
+ Cs : Ghdl_C_String;
+ begin
+ Cs := To_Ghdl_C_String (To_Address (Param1.Val.Mem));
+ Res := Fp64 (Grt.Fcvt.From_String (Cs (1 .. Len)));
+ return Create_Memory_Fp64 (Res, Res_Typ);
+ end;
when others =>
null;
end case;
diff --git a/src/vhdl/vhdl-sem_specs.adb b/src/vhdl/vhdl-sem_specs.adb
index 87e576e78..dff9e6da2 100644
--- a/src/vhdl/vhdl-sem_specs.adb
+++ b/src/vhdl/vhdl-sem_specs.adb
@@ -177,9 +177,9 @@ package body Vhdl.Sem_Specs is
return Null_Iir;
end Find_Attribute_Value;
- -- Called for 'Foreign attribute ATTR on procedure DECL.
+ -- Called for 'Foreign attribute ATTR on subprogram DECL.
-- Handle intrinsic subprograms.
- procedure Attribute_Foreign_Procedure (Decl : Iir; Attr : Iir)
+ procedure Attribute_Foreign_Subprogram (Decl : Iir; Attr : Iir)
is
Expr : constant Iir := Get_Expression (Attr);
Intrinsic_Str : constant String := "GHDL intrinsic";
@@ -218,7 +218,7 @@ package body Vhdl.Sem_Specs is
end case;
Set_Implicit_Definition (Decl, Predefined);
end;
- end Attribute_Foreign_Procedure;
+ end Attribute_Foreign_Subprogram;
-- Decorate DECL with attribute ATTR.
-- If CHECK_CLASS is true, class of DECL must be class of ATTR, otherwise
@@ -399,11 +399,15 @@ package body Vhdl.Sem_Specs is
-- Use 'standard' convention call for foreign procedures, so as a
-- consequence they cannot be suspended.
- if Get_Kind (Decl) = Iir_Kind_Procedure_Declaration then
- Set_Suspend_Flag (Decl, False);
-
- Attribute_Foreign_Procedure (Decl, Attr);
- end if;
+ case Get_Kind (Decl) is
+ when Iir_Kind_Procedure_Declaration =>
+ Set_Suspend_Flag (Decl, False);
+ Attribute_Foreign_Subprogram (Decl, Attr);
+ when Iir_Kind_Function_Declaration =>
+ Attribute_Foreign_Subprogram (Decl, Attr);
+ when others =>
+ null;
+ end case;
declare
use Vhdl.Back_End;