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-rw-r--r--src/vhdl/errorout.adb1113
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+-- Error message handling.
+-- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
+--
+-- GHDL is free software; you can redistribute it and/or modify it under
+-- the terms of the GNU General Public License as published by the Free
+-- Software Foundation; either version 2, or (at your option) any later
+-- version.
+--
+-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+-- WARRANTY; without even the implied warranty of MERCHANTABILITY or
+-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+-- for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with GHDL; see the file COPYING. If not, write to the Free
+-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+-- 02111-1307, USA.
+with Ada.Text_IO;
+with Ada.Command_Line;
+with Scanner;
+with Tokens; use Tokens;
+with Name_Table;
+with Iirs_Utils; use Iirs_Utils;
+with Files_Map; use Files_Map;
+with Ada.Strings.Unbounded;
+with Std_Names;
+with Flags;
+with PSL.Nodes;
+
+package body Errorout is
+ procedure Put (Str : String)
+ is
+ use Ada.Text_IO;
+ begin
+ Put (Standard_Error, Str);
+ end Put;
+
+ procedure Put (C : Character)
+ is
+ use Ada.Text_IO;
+ begin
+ Put (Standard_Error, C);
+ end Put;
+
+ procedure Put_Line (Str : String)
+ is
+ use Ada.Text_IO;
+ begin
+ Put_Line (Standard_Error, Str);
+ end Put_Line;
+
+ procedure Disp_Natural (Val: Natural)
+ is
+ Str: constant String := Natural'Image (Val);
+ begin
+ Put (Str(Str'First + 1 .. Str'Last));
+ end Disp_Natural;
+
+ procedure Error_Msg (Msg: String) is
+ begin
+ Put (Ada.Command_Line.Command_Name);
+ Put (": ");
+ Put_Line (Msg);
+ end Error_Msg;
+
+ procedure Error_Kind (Msg : String; An_Iir : Iir) is
+ begin
+ Put_Line (Msg & ": cannot handle "
+ & Iir_Kind'Image (Get_Kind (An_Iir))
+ & " (" & Disp_Location (An_Iir) & ')');
+ raise Internal_Error;
+ end Error_Kind;
+
+ procedure Error_Kind (Msg : String; Def : Iir_Predefined_Functions) is
+ begin
+ Put_Line (Msg & ": cannot handle "
+ & Iir_Predefined_Functions'Image (Def));
+ raise Internal_Error;
+ end Error_Kind;
+
+ procedure Error_Kind (Msg : String; N : PSL_Node) is
+ begin
+ Put (Msg);
+ Put (": cannot handle ");
+ Put_Line (PSL.Nodes.Nkind'Image (PSL.Nodes.Get_Kind (N)));
+ raise Internal_Error;
+ end Error_Kind;
+
+ procedure Error_Msg_Option_NR (Msg: String) is
+ begin
+ Put (Ada.Command_Line.Command_Name);
+ Put (": ");
+ Put_Line (Msg);
+ end Error_Msg_Option_NR;
+
+ procedure Error_Msg_Option (Msg: String) is
+ begin
+ Error_Msg_Option_NR (Msg);
+ raise Option_Error;
+ end Error_Msg_Option;
+
+ procedure Disp_Location
+ (File: Name_Id; Line: Natural; Col: Natural) is
+ begin
+ Put (Name_Table.Image (File));
+ Put (':');
+ Disp_Natural (Line);
+ Put (':');
+ Disp_Natural (Col);
+ Put (':');
+ end Disp_Location;
+
+ procedure Disp_Current_Location is
+ begin
+ Disp_Location (Scanner.Get_Current_File,
+ Scanner.Get_Current_Line,
+ Scanner.Get_Current_Column);
+ end Disp_Current_Location;
+
+ procedure Disp_Token_Location is
+ begin
+ Disp_Location (Scanner.Get_Current_File,
+ Scanner.Get_Current_Line,
+ Scanner.Get_Token_Column);
+ end Disp_Token_Location;
+
+ procedure Disp_Location (Loc : Location_Type)
+ is
+ Name : Name_Id;
+ Line : Natural;
+ Col : Natural;
+ begin
+ if Loc = Location_Nil then
+ -- Avoid a crash, but should not happen.
+ Put ("??:??:??:");
+ else
+ Location_To_Position (Loc, Name, Line, Col);
+ Disp_Location (Name, Line, Col);
+ end if;
+ end Disp_Location;
+
+ function Get_Location_Safe (N : Iir) return Location_Type is
+ begin
+ if N = Null_Iir then
+ return Location_Nil;
+ else
+ return Get_Location (N);
+ end if;
+ end Get_Location_Safe;
+
+ procedure Disp_Iir_Location (An_Iir: Iir) is
+ begin
+ Disp_Location (Get_Location_Safe (An_Iir));
+ end Disp_Iir_Location;
+
+ procedure Disp_PSL_Location (N : PSL_Node) is
+ begin
+ Disp_Location (PSL.Nodes.Get_Location (N));
+ end Disp_PSL_Location;
+
+ procedure Warning_Msg (Msg: String) is
+ begin
+ Put ("warning: ");
+ Put_Line (Msg);
+ end Warning_Msg;
+
+ procedure Warning_Msg_Parse (Msg: String) is
+ begin
+ if Flags.Flag_Only_Elab_Warnings then
+ return;
+ end if;
+ Disp_Token_Location;
+ if Flags.Warn_Error then
+ Nbr_Errors := Nbr_Errors + 1;
+ Put (" ");
+ else
+ Put ("warning: ");
+ end if;
+ Put_Line (Msg);
+ end Warning_Msg_Parse;
+
+ procedure Warning_Msg_Sem (Msg: String; Loc : Location_Type) is
+ begin
+ if Flags.Flag_Only_Elab_Warnings then
+ return;
+ end if;
+ Disp_Location (Loc);
+ if Flags.Warn_Error then
+ Nbr_Errors := Nbr_Errors + 1;
+ Put (" ");
+ else
+ Put ("warning: ");
+ end if;
+ Put_Line (Msg);
+ end Warning_Msg_Sem;
+
+ procedure Warning_Msg_Sem (Msg: String; Loc : Iir) is
+ begin
+ Warning_Msg_Sem (Msg, Get_Location_Safe (Loc));
+ end Warning_Msg_Sem;
+
+ procedure Warning_Msg_Elab (Msg: String; Loc : Location_Type) is
+ begin
+ Disp_Location (Loc);
+ if Flags.Warn_Error then
+ Nbr_Errors := Nbr_Errors + 1;
+ Put (" ");
+ else
+ Put ("warning: ");
+ end if;
+ Put_Line (Msg);
+ end Warning_Msg_Elab;
+
+ procedure Warning_Msg_Elab (Msg: String; Loc : Iir) is
+ begin
+ Warning_Msg_Elab (Msg, Get_Location_Safe (Loc));
+ end Warning_Msg_Elab;
+
+ procedure Disp_Current_Token;
+ pragma Unreferenced (Disp_Current_Token);
+
+ procedure Disp_Current_Token is
+ begin
+ case Scanner.Current_Token is
+ when Tok_Identifier =>
+ Put ("identifier """
+ & Name_Table.Image (Scanner.Current_Identifier) & """");
+ when others =>
+ Put (Token_Type'Image (Scanner.Current_Token));
+ end case;
+ end Disp_Current_Token;
+
+ -- Disp a message during scan.
+ procedure Error_Msg_Scan (Msg: String) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Current_Location;
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Scan;
+
+ procedure Error_Msg_Scan (Msg: String; Loc : Location_Type) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Location (Loc);
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Scan;
+
+ -- Disp a message during scan.
+ procedure Warning_Msg_Scan (Msg: String) is
+ begin
+ Disp_Current_Location;
+ Put ("warning: ");
+ Put_Line (Msg);
+ end Warning_Msg_Scan;
+
+ -- Disp a message during scan.
+ procedure Error_Msg_Parse (Msg: String) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Token_Location;
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Parse;
+
+ procedure Error_Msg_Parse (Msg: String; Loc : Iir) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Iir_Location (Loc);
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Parse;
+
+ procedure Error_Msg_Parse (Msg: String; Loc : Location_Type) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Location (Loc);
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Parse;
+
+ -- Disp a message during semantic analysis.
+ -- LOC is used for location and current token.
+ procedure Error_Msg_Sem (Msg: String; Loc: in Iir) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ if Loc /= Null_Iir then
+ Disp_Iir_Location (Loc);
+ Put (' ');
+ end if;
+ Put_Line (Msg);
+ end Error_Msg_Sem;
+
+ procedure Error_Msg_Sem (Msg: String; Loc: PSL_Node) is
+ use PSL.Nodes;
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ if Loc /= Null_Node then
+ Disp_PSL_Location (Loc);
+ Put (' ');
+ end if;
+ Put_Line (Msg);
+ end Error_Msg_Sem;
+
+ procedure Error_Msg_Sem (Msg: String; Loc : Location_Type) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Location (Loc);
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Sem;
+
+ -- Disp a message during elaboration.
+ procedure Error_Msg_Elab (Msg: String) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Put ("error: ");
+ Put_Line (Msg);
+ end Error_Msg_Elab;
+
+ procedure Error_Msg_Elab (Msg: String; Loc : Iir) is
+ begin
+ Nbr_Errors := Nbr_Errors + 1;
+ Disp_Iir_Location (Loc);
+ Put (' ');
+ Put_Line (Msg);
+ end Error_Msg_Elab;
+
+ -- Disp a bug message.
+ procedure Error_Internal (Expr: in Iir; Msg: String := "")
+ is
+ pragma Unreferenced (Expr);
+ begin
+ Put ("internal error: ");
+ Put_Line (Msg);
+ raise Internal_Error;
+ end Error_Internal;
+
+ function Disp_Label (Node : Iir; Str : String) return String
+ is
+ Id : Name_Id;
+ begin
+ Id := Get_Label (Node);
+ if Id = Null_Identifier then
+ return "(unlabeled) " & Str;
+ else
+ return Str & " labeled """ & Name_Table.Image (Id) & """";
+ end if;
+ end Disp_Label;
+
+ -- Disp a node.
+ -- Used for output of message.
+ function Disp_Node (Node: Iir) return String is
+ function Disp_Identifier (Node : Iir; Str : String) return String
+ is
+ Id : Name_Id;
+ begin
+ Id := Get_Identifier (Node);
+ return Str & " """ & Name_Table.Image (Id) & """";
+ end Disp_Identifier;
+
+ function Disp_Type (Node : Iir; Str : String) return String
+ is
+ Decl: Iir;
+ begin
+ Decl := Get_Type_Declarator (Node);
+ if Decl = Null_Iir then
+ return "the anonymous " & Str
+ & " defined at " & Disp_Location (Node);
+ else
+ return Disp_Identifier (Decl, Str);
+ end if;
+ end Disp_Type;
+
+ begin
+ case Get_Kind (Node) is
+ when Iir_Kind_String_Literal =>
+ return "string literal """
+ & Image_String_Lit (Node) & """";
+ when Iir_Kind_Bit_String_Literal =>
+ return "bit string literal """
+ & Image_String_Lit (Node) & """";
+ when Iir_Kind_Character_Literal =>
+ return "character literal " & Image_Identifier (Node);
+ when Iir_Kind_Integer_Literal =>
+ return "integer literal";
+ when Iir_Kind_Floating_Point_Literal =>
+ return "floating point literal";
+ when Iir_Kind_Physical_Int_Literal
+ | Iir_Kind_Physical_Fp_Literal =>
+ return "physical literal";
+ when Iir_Kind_Enumeration_Literal =>
+ return "enumeration literal " & Image_Identifier (Node);
+ when Iir_Kind_Element_Declaration =>
+ return Disp_Identifier (Node, "element");
+ when Iir_Kind_Record_Element_Constraint =>
+ return "record element constraint";
+ when Iir_Kind_Array_Element_Resolution =>
+ return "array element resolution";
+ when Iir_Kind_Record_Resolution =>
+ return "record resolution";
+ when Iir_Kind_Record_Element_Resolution =>
+ return "record element resolution";
+ when Iir_Kind_Null_Literal =>
+ return "null literal";
+ when Iir_Kind_Overflow_Literal =>
+ return Disp_Node (Get_Literal_Origin (Node));
+ when Iir_Kind_Aggregate =>
+ return "aggregate";
+ when Iir_Kind_Unit_Declaration =>
+ return Disp_Identifier (Node, "physical unit");
+ when Iir_Kind_Simple_Aggregate =>
+ return "locally static array literal";
+
+ when Iir_Kind_Operator_Symbol =>
+ return "operator name";
+ when Iir_Kind_Aggregate_Info =>
+ return "aggregate info";
+ when Iir_Kind_Signature =>
+ return "signature";
+ when Iir_Kind_Waveform_Element =>
+ return "waveform element";
+ when Iir_Kind_Conditional_Waveform =>
+ return "conditional waveform";
+ when Iir_Kind_Association_Element_Open =>
+ return "open association element";
+ when Iir_Kind_Association_Element_By_Individual =>
+ return "individual association element";
+ when Iir_Kind_Association_Element_By_Expression
+ | Iir_Kind_Association_Element_Package =>
+ return "association element";
+ when Iir_Kind_Overload_List =>
+ return "overloaded name or expression";
+
+ when Iir_Kind_Integer_Type_Definition
+ | Iir_Kind_Enumeration_Type_Definition =>
+ return Image_Identifier (Get_Type_Declarator (Node));
+ when Iir_Kind_Array_Type_Definition =>
+ return Disp_Type (Node, "array type");
+ when Iir_Kind_Array_Subtype_Definition =>
+ return Disp_Type (Node, "array subtype");
+ when Iir_Kind_Record_Type_Definition =>
+ return Disp_Type (Node, "record type");
+ when Iir_Kind_Record_Subtype_Definition =>
+ return Disp_Type (Node, "record subtype");
+ when Iir_Kind_Enumeration_Subtype_Definition =>
+ return Disp_Type (Node, "enumeration subtype");
+ when Iir_Kind_Integer_Subtype_Definition =>
+ return Disp_Type (Node, "integer subtype");
+ when Iir_Kind_Physical_Type_Definition =>
+ return Disp_Type (Node, "physical type");
+ when Iir_Kind_Physical_Subtype_Definition =>
+ return Disp_Type (Node, "physical subtype");
+ when Iir_Kind_File_Type_Definition =>
+ return Disp_Type (Node, "file type");
+ when Iir_Kind_Access_Type_Definition =>
+ return Disp_Type (Node, "access type");
+ when Iir_Kind_Access_Subtype_Definition =>
+ return Disp_Type (Node, "access subtype");
+ when Iir_Kind_Floating_Subtype_Definition
+ | Iir_Kind_Floating_Type_Definition =>
+ return Disp_Type (Node, "floating type");
+ when Iir_Kind_Incomplete_Type_Definition =>
+ return Disp_Type (Node, "incomplete type");
+ when Iir_Kind_Protected_Type_Declaration =>
+ return Disp_Type (Node, "protected type");
+ when Iir_Kind_Protected_Type_Body =>
+ return Disp_Type (Node, "protected type body");
+ when Iir_Kind_Subtype_Definition =>
+ return "subtype definition";
+
+ when Iir_Kind_Scalar_Nature_Definition =>
+ return Image_Identifier (Get_Nature_Declarator (Node));
+
+ when Iir_Kind_Choice_By_Expression =>
+ return "choice by expression";
+ when Iir_Kind_Choice_By_Range =>
+ return "choice by range";
+ when Iir_Kind_Choice_By_Name =>
+ return "choice by name";
+ when Iir_Kind_Choice_By_Others =>
+ return "others choice";
+ when Iir_Kind_Choice_By_None =>
+ return "positionnal choice";
+
+ when Iir_Kind_Function_Call =>
+ return "function call";
+ when Iir_Kind_Procedure_Call_Statement =>
+ return "procedure call statement";
+ when Iir_Kind_Procedure_Call =>
+ return "procedure call";
+ when Iir_Kind_Selected_Name =>
+ Name_Table.Image (Get_Identifier (Node));
+ return '''
+ & Name_Table.Name_Buffer (1 .. Name_Table.Name_Length)
+ & ''';
+ when Iir_Kind_Simple_Name =>
+ Name_Table.Image (Get_Identifier (Node));
+ return '''
+ & Name_Table.Name_Buffer (1 .. Name_Table.Name_Length)
+ & ''';
+ when Iir_Kind_Entity_Aspect_Entity =>
+ return "aspect " & Disp_Node (Get_Entity (Node))
+ & '(' & Image_Identifier (Get_Architecture (Node)) & ')';
+ when Iir_Kind_Entity_Aspect_Configuration =>
+ return "configuration entity aspect";
+ when Iir_Kind_Entity_Aspect_Open =>
+ return "open entity aspect";
+
+ when Iir_Kinds_Monadic_Operator
+ | Iir_Kinds_Dyadic_Operator =>
+ return "operator """
+ & Name_Table.Image (Get_Operator_Name (Node)) & """";
+ when Iir_Kind_Parenthesis_Expression =>
+ return "expression";
+ when Iir_Kind_Qualified_Expression =>
+ return "qualified expression";
+ when Iir_Kind_Type_Conversion =>
+ return "type conversion";
+ when Iir_Kind_Allocator_By_Subtype
+ | Iir_Kind_Allocator_By_Expression =>
+ return "allocator";
+ when Iir_Kind_Indexed_Name =>
+ return "indexed name";
+ when Iir_Kind_Range_Expression =>
+ return "range expression";
+ when Iir_Kind_Implicit_Dereference =>
+ return "implicit access dereference";
+ when Iir_Kind_Dereference =>
+ return "access dereference";
+ when Iir_Kind_Selected_Element =>
+ return "selected element";
+ when Iir_Kind_Selected_By_All_Name =>
+ return ".all name";
+ when Iir_Kind_Psl_Expression =>
+ return "PSL instantiation";
+
+ when Iir_Kind_Interface_Constant_Declaration =>
+ if Get_Parent (Node) = Null_Iir then
+ -- For constant interface of predefined operator.
+ return "anonymous interface";
+ end if;
+ case Get_Kind (Get_Parent (Node)) is
+ when Iir_Kind_Entity_Declaration
+ | Iir_Kind_Block_Statement
+ | Iir_Kind_Block_Header =>
+ return Disp_Identifier (Node, "generic");
+ when others =>
+ return Disp_Identifier (Node, "constant interface");
+ end case;
+ when Iir_Kind_Interface_Signal_Declaration =>
+ case Get_Kind (Get_Parent (Node)) is
+ when Iir_Kind_Entity_Declaration
+ | Iir_Kind_Block_Statement
+ | Iir_Kind_Block_Header =>
+ return Disp_Identifier (Node, "port");
+ when others =>
+ return Disp_Identifier (Node, "signal interface");
+ end case;
+ when Iir_Kind_Interface_Variable_Declaration =>
+ return Disp_Identifier (Node, "variable interface");
+ when Iir_Kind_Interface_File_Declaration =>
+ return Disp_Identifier (Node, "file interface");
+ when Iir_Kind_Interface_Package_Declaration =>
+ return Disp_Identifier (Node, "package interface");
+ when Iir_Kind_Signal_Declaration =>
+ return Disp_Identifier (Node, "signal");
+ when Iir_Kind_Variable_Declaration =>
+ return Disp_Identifier (Node, "variable");
+ when Iir_Kind_Iterator_Declaration
+ | Iir_Kind_Constant_Declaration =>
+ return Disp_Identifier (Node, "constant");
+ when Iir_Kind_File_Declaration =>
+ return Disp_Identifier (Node, "file");
+ when Iir_Kind_Object_Alias_Declaration =>
+ return Disp_Identifier (Node, "alias");
+ when Iir_Kind_Non_Object_Alias_Declaration =>
+ return Disp_Identifier (Node, "non-object alias");
+ when Iir_Kind_Guard_Signal_Declaration =>
+ return "GUARD signal";
+ when Iir_Kind_Group_Template_Declaration =>
+ return Disp_Identifier (Node, "group template");
+ when Iir_Kind_Group_Declaration =>
+ return Disp_Identifier (Node, "group");
+
+ when Iir_Kind_Library_Declaration
+ | Iir_Kind_Library_Clause =>
+ return Disp_Identifier (Node, "library");
+ when Iir_Kind_Design_File =>
+ return "design file";
+
+ when Iir_Kind_Procedure_Declaration =>
+ return Disp_Identifier (Node, "procedure");
+ when Iir_Kind_Procedure_Body
+ | Iir_Kind_Function_Body =>
+ return "subprogram body";
+ when Iir_Kind_Function_Declaration =>
+ return Disp_Identifier (Node, "function");
+
+ when Iir_Kind_Package_Declaration =>
+ return Disp_Identifier (Node, "package");
+ when Iir_Kind_Package_Body =>
+ return Disp_Identifier (Node, "package body");
+ when Iir_Kind_Entity_Declaration =>
+ return Disp_Identifier (Node, "entity");
+ when Iir_Kind_Architecture_Body =>
+ return Disp_Identifier (Node, "architecture") &
+ " of" & Disp_Identifier (Get_Entity_Name (Node), "");
+ when Iir_Kind_Configuration_Declaration =>
+ declare
+ Id : Name_Id;
+ Ent : Iir;
+ Arch : Iir;
+ begin
+ Id := Get_Identifier (Node);
+ if Id /= Null_Identifier then
+ return Disp_Identifier (Node, "configuration");
+ else
+ Ent := Get_Entity (Node);
+ Arch := Get_Block_Specification
+ (Get_Block_Configuration (Node));
+ return "default configuration of "
+ & Image_Identifier (Ent)
+ & '(' & Image_Identifier (Arch) & ')';
+ end if;
+ end;
+ when Iir_Kind_Package_Instantiation_Declaration =>
+ return Disp_Identifier (Node, "instantiation package");
+
+ when Iir_Kind_Package_Header =>
+ return "package header";
+
+ when Iir_Kind_Component_Declaration =>
+ return Disp_Identifier (Node, "component");
+
+ when Iir_Kind_Design_Unit =>
+ return Disp_Node (Get_Library_Unit (Node));
+ when Iir_Kind_Use_Clause =>
+ return "use clause";
+ when Iir_Kind_Disconnection_Specification =>
+ return "disconnection specification";
+
+ when Iir_Kind_Slice_Name =>
+ return "slice";
+ when Iir_Kind_Parenthesis_Name =>
+ return "function call, slice or indexed name";
+ when Iir_Kind_Type_Declaration =>
+ return Disp_Identifier (Node, "type");
+ when Iir_Kind_Anonymous_Type_Declaration =>
+ return Disp_Identifier (Node, "type");
+ when Iir_Kind_Subtype_Declaration =>
+ return Disp_Identifier (Node, "subtype");
+
+ when Iir_Kind_Nature_Declaration =>
+ return Disp_Identifier (Node, "nature");
+ when Iir_Kind_Subnature_Declaration =>
+ return Disp_Identifier (Node, "subnature");
+
+ when Iir_Kind_Component_Instantiation_Statement =>
+ return Disp_Identifier (Node, "component instance");
+ when Iir_Kind_Configuration_Specification =>
+ return "configuration specification";
+ when Iir_Kind_Component_Configuration =>
+ return "component configuration";
+ when Iir_Kind_Implicit_Function_Declaration =>
+ return Disp_Identifier (Node, "implicit function")
+ & Disp_Identifier (Get_Type_Reference (Node), " of type");
+-- return "implicit function "
+-- & Get_Predefined_Function_Name
+-- (Get_Implicit_Definition (Node));
+ when Iir_Kind_Implicit_Procedure_Declaration =>
+ return "implicit procedure "
+ & Get_Predefined_Function_Name (Get_Implicit_Definition (Node));
+
+ when Iir_Kind_Concurrent_Procedure_Call_Statement =>
+ return "concurrent procedure call";
+ when Iir_Kind_Generate_Statement =>
+ return "generate statement";
+
+ when Iir_Kind_Simple_Simultaneous_Statement =>
+ return "simple simultaneous statement";
+
+ when Iir_Kind_Psl_Declaration =>
+ return Disp_Identifier (Node, "PSL declaration");
+
+ when Iir_Kind_Terminal_Declaration =>
+ return Disp_Identifier (Node, "terminal declaration");
+ when Iir_Kind_Free_Quantity_Declaration
+ | Iir_Kind_Across_Quantity_Declaration
+ | Iir_Kind_Through_Quantity_Declaration =>
+ return Disp_Identifier (Node, "quantity declaration");
+
+ when Iir_Kind_Attribute_Declaration =>
+ return Disp_Identifier (Node, "attribute");
+ when Iir_Kind_Attribute_Specification =>
+ return "attribute specification";
+ when Iir_Kind_Entity_Class =>
+ return "entity class";
+ when Iir_Kind_Attribute_Value =>
+ return "attribute value";
+ when Iir_Kind_Attribute_Name =>
+ return "attribute";
+ when Iir_Kind_Base_Attribute =>
+ return "'base attribute";
+ when Iir_Kind_Length_Array_Attribute =>
+ return "'length attribute";
+ when Iir_Kind_Range_Array_Attribute =>
+ return "'range attribute";
+ when Iir_Kind_Reverse_Range_Array_Attribute =>
+ return "'reverse_range attribute";
+ when Iir_Kind_Ascending_Type_Attribute
+ | Iir_Kind_Ascending_Array_Attribute =>
+ return "'ascending attribute";
+ when Iir_Kind_Left_Type_Attribute
+ | Iir_Kind_Left_Array_Attribute =>
+ return "'left attribute";
+ when Iir_Kind_Right_Type_Attribute
+ | Iir_Kind_Right_Array_Attribute =>
+ return "'right attribute";
+ when Iir_Kind_Low_Type_Attribute
+ | Iir_Kind_Low_Array_Attribute =>
+ return "'low attribute";
+ when Iir_Kind_Leftof_Attribute =>
+ return "'leftof attribute";
+ when Iir_Kind_Rightof_Attribute =>
+ return "'rightof attribute";
+ when Iir_Kind_Pred_Attribute =>
+ return "'pred attribute";
+ when Iir_Kind_Succ_Attribute =>
+ return "'succ attribute";
+ when Iir_Kind_Pos_Attribute =>
+ return "'pos attribute";
+ when Iir_Kind_Val_Attribute =>
+ return "'val attribute";
+ when Iir_Kind_Image_Attribute =>
+ return "'image attribute";
+ when Iir_Kind_Value_Attribute =>
+ return "'value attribute";
+ when Iir_Kind_High_Type_Attribute
+ | Iir_Kind_High_Array_Attribute =>
+ return "'high attribute";
+ when Iir_Kind_Transaction_Attribute =>
+ return "'transaction attribute";
+ when Iir_Kind_Stable_Attribute =>
+ return "'stable attribute";
+ when Iir_Kind_Quiet_Attribute =>
+ return "'quiet attribute";
+ when Iir_Kind_Delayed_Attribute =>
+ return "'delayed attribute";
+ when Iir_Kind_Driving_Attribute =>
+ return "'driving attribute";
+ when Iir_Kind_Driving_Value_Attribute =>
+ return "'driving_value attribute";
+ when Iir_Kind_Event_Attribute =>
+ return "'event attribute";
+ when Iir_Kind_Active_Attribute =>
+ return "'active attribute";
+ when Iir_Kind_Last_Event_Attribute =>
+ return "'last_event attribute";
+ when Iir_Kind_Last_Active_Attribute =>
+ return "'last_active attribute";
+ when Iir_Kind_Last_Value_Attribute =>
+ return "'last_value attribute";
+ when Iir_Kind_Behavior_Attribute =>
+ return "'behavior attribute";
+ when Iir_Kind_Structure_Attribute =>
+ return "'structure attribute";
+
+ when Iir_Kind_Path_Name_Attribute =>
+ return "'path_name attribute";
+ when Iir_Kind_Instance_Name_Attribute =>
+ return "'instance_name attribute";
+ when Iir_Kind_Simple_Name_Attribute =>
+ return "'simple_name attribute";
+
+ when Iir_Kind_For_Loop_Statement =>
+ return Disp_Label (Node, "for loop statement");
+ when Iir_Kind_While_Loop_Statement =>
+ return Disp_Label (Node, "loop statement");
+ when Iir_Kind_Process_Statement
+ | Iir_Kind_Sensitized_Process_Statement =>
+ return Disp_Label (Node, "process");
+ when Iir_Kind_Block_Statement =>
+ return Disp_Label (Node, "block statement");
+ when Iir_Kind_Block_Header =>
+ return "block header";
+ when Iir_Kind_Concurrent_Conditional_Signal_Assignment =>
+ return Disp_Label
+ (Node, "concurrent conditional signal assignment");
+ when Iir_Kind_Concurrent_Selected_Signal_Assignment =>
+ return Disp_Label
+ (Node, "concurrent selected signal assignment");
+ when Iir_Kind_Concurrent_Assertion_Statement =>
+ return Disp_Label (Node, "concurrent assertion");
+ when Iir_Kind_Psl_Assert_Statement =>
+ return Disp_Label (Node, "PSL assertion");
+ when Iir_Kind_Psl_Cover_Statement =>
+ return Disp_Label (Node, "PSL cover");
+ when Iir_Kind_Psl_Default_Clock =>
+ return "PSL default clock";
+
+ when Iir_Kind_If_Statement =>
+ return Disp_Label (Node, "if statement");
+ when Iir_Kind_Elsif =>
+ return Disp_Label (Node, "else/elsif statement");
+ when Iir_Kind_Next_Statement =>
+ return Disp_Label (Node, "next statement");
+ when Iir_Kind_Exit_Statement =>
+ return Disp_Label (Node, "exit statement");
+ when Iir_Kind_Case_Statement =>
+ return Disp_Label (Node, "case statement");
+ when Iir_Kind_Return_Statement =>
+ return Disp_Label (Node, "return statement");
+ when Iir_Kind_Signal_Assignment_Statement =>
+ return Disp_Label (Node, "signal assignment statement");
+ when Iir_Kind_Variable_Assignment_Statement =>
+ return Disp_Label (Node, "variable assignment statement");
+ when Iir_Kind_Null_Statement =>
+ return Disp_Label (Node, "null statement");
+ when Iir_Kind_Wait_Statement =>
+ return Disp_Label (Node, "wait statement");
+ when Iir_Kind_Assertion_Statement =>
+ return Disp_Label (Node, "assertion statement");
+ when Iir_Kind_Report_Statement =>
+ return Disp_Label (Node, "report statement");
+
+ when Iir_Kind_Block_Configuration =>
+ return "block configuration";
+ when Iir_Kind_Binding_Indication =>
+ return "binding indication";
+
+ when Iir_Kind_Error =>
+ return "error";
+ when Iir_Kind_Unused =>
+ return "*unused*";
+ end case;
+ end Disp_Node;
+
+ -- Disp a node location.
+ -- Used for output of message.
+
+ function Get_Location_Str
+ (Name : Name_Id; Line, Col : Natural; Filename : Boolean)
+ return String
+ is
+ Line_Str : constant String := Natural'Image (Line);
+ Col_Str : constant String := Natural'Image (Col);
+ begin
+ if Filename then
+ return Name_Table.Image (Name)
+ & ':' & Line_Str (Line_Str'First + 1 .. Line_Str'Last)
+ & ':' & Col_Str (Col_Str'First + 1 .. Col_Str'Last);
+ else
+ return Line_Str (Line_Str'First + 1 .. Line_Str'Last)
+ & ':' & Col_Str (Col_Str'First + 1 .. Col_Str'Last);
+ end if;
+ end Get_Location_Str;
+
+ function Get_Location_Str (Loc : Location_Type; Filename : Boolean := True)
+ return string
+ is
+ Line, Col : Natural;
+ Name : Name_Id;
+ begin
+ if Loc = Location_Nil then
+ -- Avoid a crash.
+ return "??:??:??";
+ else
+ Location_To_Position (Loc, Name, Line, Col);
+ return Get_Location_Str (Name, Line, Col, Filename);
+ end if;
+ end Get_Location_Str;
+
+ function Disp_Location (Node: Iir) return String is
+ begin
+ return Get_Location_Str (Get_Location (Node));
+ end Disp_Location;
+
+ function Disp_Name (Kind : Iir_Kind) return String is
+ begin
+ case Kind is
+ when Iir_Kind_Constant_Declaration =>
+ return "constant declaration";
+ when Iir_Kind_Signal_Declaration =>
+ return "signal declaration";
+ when Iir_Kind_Variable_Declaration =>
+ return "variable declaration";
+ when Iir_Kind_File_Declaration =>
+ return "file declaration";
+ when others =>
+ return "???" & Iir_Kind'Image (Kind);
+ end case;
+ end Disp_Name;
+
+ function Image (N : Iir_Int64) return String
+ is
+ Res : constant String := Iir_Int64'Image (N);
+ begin
+ if Res (1) = ' ' then
+ return Res (2 .. Res'Last);
+ else
+ return Res;
+ end if;
+ end Image;
+
+ function Disp_Discrete (Dtype : Iir; Pos : Iir_Int64) return String is
+ begin
+ case Get_Kind (Dtype) is
+ when Iir_Kind_Integer_Type_Definition =>
+ return Image (Pos);
+ when Iir_Kind_Enumeration_Type_Definition =>
+ return Name_Table.Image
+ (Get_Identifier (Get_Nth_Element
+ (Get_Enumeration_Literal_List (Dtype),
+ Natural (Pos))));
+ when others =>
+ Error_Kind ("disp_discrete", Dtype);
+ end case;
+ end Disp_Discrete;
+
+ function Disp_Subprg (Subprg : Iir) return String
+ is
+ use Ada.Strings.Unbounded;
+ Res : Unbounded_String;
+
+ procedure Append_Type (Def : Iir)
+ is
+ use Name_Table;
+ Decl : Iir := Get_Type_Declarator (Def);
+ begin
+ if Decl = Null_Iir then
+ Decl := Get_Type_Declarator (Get_Base_Type (Def));
+ end if;
+ Image (Get_Identifier (Decl));
+ Append (Res, Name_Buffer (1 .. Name_Length));
+ end Append_Type;
+
+ begin
+ case Get_Kind (Subprg) is
+ when Iir_Kind_Enumeration_Literal =>
+ Append (Res, "enumeration literal ");
+ when Iir_Kind_Implicit_Function_Declaration =>
+ Append (Res, "implicit function ");
+ when Iir_Kind_Implicit_Procedure_Declaration =>
+ Append (Res, "implicit procedure ");
+ when Iir_Kind_Function_Declaration =>
+ Append (Res, "function ");
+ when Iir_Kind_Procedure_Declaration =>
+ Append (Res, "procedure ");
+ when others =>
+ Error_Kind ("disp_subprg", Subprg);
+ end case;
+
+ declare
+ use Name_Table;
+
+ Id : constant Name_Id := Get_Identifier (Subprg);
+ begin
+ Image (Id);
+ case Id is
+ when Std_Names.Name_Id_Operators
+ | Std_Names.Name_Word_Operators
+ | Std_Names.Name_Xnor
+ | Std_Names.Name_Shift_Operators =>
+ Append (Res, """");
+ Append (Res, Name_Buffer (1 .. Name_Length));
+ Append (Res, """");
+ when others =>
+ Append (Res, Name_Buffer (1 .. Name_Length));
+ end case;
+ end;
+
+ Append (Res, " [");
+
+ case Get_Kind (Subprg) is
+ when Iir_Kind_Implicit_Function_Declaration
+ | Iir_Kind_Implicit_Procedure_Declaration
+ | Iir_Kind_Function_Declaration
+ | Iir_Kind_Procedure_Declaration =>
+ declare
+ El : Iir;
+ begin
+ El := Get_Interface_Declaration_Chain (Subprg);
+ while El /= Null_Iir loop
+ Append_Type (Get_Type (El));
+ El := Get_Chain (El);
+ exit when El = Null_Iir;
+ Append (Res, ", ");
+ end loop;
+ end;
+ when others =>
+ null;
+ end case;
+
+ case Get_Kind (Subprg) is
+ when Iir_Kind_Implicit_Function_Declaration
+ | Iir_Kind_Function_Declaration
+ | Iir_Kind_Enumeration_Literal =>
+ Append (Res, " return ");
+ Append_Type (Get_Return_Type (Subprg));
+ when others =>
+ null;
+ end case;
+
+ Append (Res, "]");
+
+ return To_String (Res);
+ end Disp_Subprg;
+
+ -- DEF must be any type definition.
+ -- Return the type name of DEF, handle anonymous subtypes.
+ function Disp_Type_Name (Def : Iir) return String
+ is
+ Decl : Iir;
+ begin
+ Decl := Get_Type_Declarator (Def);
+ if Decl /= Null_Iir then
+ return Image_Identifier (Decl);
+ end if;
+ Decl := Get_Type_Declarator (Get_Base_Type (Def));
+ if Decl /= Null_Iir then
+ return "a subtype of " & Image_Identifier (Decl);
+ else
+ return "an unknown type";
+ end if;
+ end Disp_Type_Name;
+
+ function Disp_Type_Of (Node : Iir) return String
+ is
+ A_Type : Iir;
+ begin
+ A_Type := Get_Type (Node);
+ if A_Type = Null_Iir then
+ return "unknown";
+ elsif Get_Kind (A_Type) = Iir_Kind_Overload_List then
+ declare
+ use Ada.Strings.Unbounded;
+ Res : Unbounded_String;
+ List : Iir_List;
+ El : Iir;
+ Nbr : Natural;
+ begin
+ List := Get_Overload_List (A_Type);
+ Nbr := Get_Nbr_Elements (List);
+ if Nbr = 0 then
+ return "unknown";
+ elsif Nbr = 1 then
+ return Disp_Type_Name (Get_First_Element (List));
+ else
+ Append (Res, "one of ");
+ for I in 0 .. Nbr - 1 loop
+ El := Get_Nth_Element (List, I);
+ Append (Res, Disp_Type_Name (El));
+ if I < Nbr - 2 then
+ Append (Res, ", ");
+ elsif I = Nbr - 2 then
+ Append (Res, " or ");
+ end if;
+ end loop;
+ return To_String (Res);
+ end if;
+ end;
+ else
+ return Disp_Type_Name (A_Type);
+ end if;
+ end Disp_Type_Of;
+
+ procedure Error_Pure (Caller : Iir; Callee : Iir; Loc : Iir)
+ is
+ L : Location_Type;
+ begin
+ if Loc = Null_Iir then
+ L := Get_Location (Caller);
+ else
+ L := Get_Location (Loc);
+ end if;
+ Error_Msg_Sem
+ ("pure " & Disp_Node (Caller) & " cannot call (impure) "
+ & Disp_Node (Callee), L);
+ Error_Msg_Sem
+ ("(" & Disp_Node (Callee) & " is defined here)", Callee);
+ end Error_Pure;
+
+ procedure Error_Not_Match (Expr: Iir; A_Type: Iir; Loc : Iir)
+ is
+ begin
+ Error_Msg_Sem ("can't match " & Disp_Node (Expr) & " with type "
+ & Disp_Node (A_Type), Loc);
+ if Loc /= Expr then
+ Error_Msg_Sem ("(location of " & Disp_Node (Expr) & ")", Expr);
+ end if;
+ end Error_Not_Match;
+
+ function Get_Mode_Name (Mode : Iir_Mode) return String is
+ begin
+ case Mode is
+ when Iir_Unknown_Mode =>
+ raise Internal_Error;
+ when Iir_Linkage_Mode =>
+ return "linkage";
+ when Iir_Buffer_Mode =>
+ return "buffer";
+ when Iir_Out_Mode =>
+ return "out";
+ when Iir_Inout_Mode =>
+ return "inout";
+ when Iir_In_Mode =>
+ return "in";
+ end case;
+ end Get_Mode_Name;
+
+end Errorout;