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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 Types; use Types;
+with Iirs; use Iirs;
+
+package Errorout is
+ Option_Error: exception;
+ Parse_Error: exception;
+ Compilation_Error: exception;
+
+ -- This kind can't be handled.
+ --procedure Error_Kind (Msg: String; Kind: Iir_Kind);
+ procedure Error_Kind (Msg: String; An_Iir: in Iir);
+ procedure Error_Kind (Msg: String; Def : Iir_Predefined_Functions);
+ procedure Error_Kind (Msg : String; N : PSL_Node);
+ pragma No_Return (Error_Kind);
+
+ -- The number of errors (ie, number of calls to error_msg*).
+ Nbr_Errors: Natural := 0;
+
+ -- Disp an error, prepended with program name.
+ procedure Error_Msg (Msg: String);
+
+ -- Disp an error, prepended with program name, and raise option_error.
+ -- This is used for errors before initialisation, such as bad option or
+ -- bad filename.
+ procedure Error_Msg_Option (Msg: String);
+ pragma No_Return (Error_Msg_Option);
+
+ -- Same as Error_Msg_Option but do not raise Option_Error.
+ procedure Error_Msg_Option_NR (Msg: String);
+
+ -- Disp an error location (using AN_IIR location) using the standard
+ -- format `file:line:col: '.
+ procedure Disp_Iir_Location (An_Iir: Iir);
+
+ -- Disp a warning.
+ procedure Warning_Msg (Msg: String);
+ procedure Warning_Msg_Parse (Msg: String);
+ procedure Warning_Msg_Sem (Msg: String; Loc : Iir);
+ procedure Warning_Msg_Sem (Msg: String; Loc : Location_Type);
+
+ -- Disp a message during scan.
+ -- The current location is automatically displayed before the message.
+ procedure Error_Msg_Scan (Msg: String);
+ procedure Error_Msg_Scan (Msg: String; Loc : Location_Type);
+ procedure Warning_Msg_Scan (Msg: String);
+
+ -- Disp a message during parse
+ -- The location of the current token is automatically displayed before
+ -- the message.
+ procedure Error_Msg_Parse (Msg: String);
+ procedure Error_Msg_Parse (Msg: String; Loc : Iir);
+ procedure Error_Msg_Parse (Msg: String; Loc : Location_Type);
+
+ -- Disp a message during semantic analysis.
+ -- an_iir is used for location and current token.
+ procedure Error_Msg_Sem (Msg: String; Loc: Iir);
+ procedure Error_Msg_Sem (Msg: String; Loc: PSL_Node);
+ procedure Error_Msg_Sem (Msg: String; Loc: Location_Type);
+
+ -- Disp a message during elaboration (or configuration).
+ procedure Error_Msg_Elab (Msg: String);
+ procedure Error_Msg_Elab (Msg: String; Loc: Iir);
+
+ -- Disp a warning durig elaboration (or configuration).
+ procedure Warning_Msg_Elab (Msg: String; Loc : Iir);
+
+ -- Disp a bug message.
+ procedure Error_Internal (Expr: Iir; Msg: String := "");
+ pragma No_Return (Error_Internal);
+
+ -- Disp a node.
+ -- Used for output of message.
+ function Disp_Node (Node: Iir) return String;
+
+ -- Disp a node location.
+ -- Used for output of message.
+ function Disp_Location (Node: Iir) return String;
+ function Get_Location_Str (Loc : Location_Type; Filename : Boolean := True)
+ return String;
+
+ -- Disp non-terminal name from KIND.
+ function Disp_Name (Kind : Iir_Kind) return String;
+
+ -- SUBPRG must be a subprogram declaration or an enumeration literal
+ -- declaration.
+ -- Returns:
+ -- "enumeration literal XX [ return TYPE ]"
+ -- "function XXX [ TYPE1, TYPE2 return TYPE ]"
+ -- "procedure XXX [ TYPE1, TYPE2 ]"
+ -- "implicit function XXX [ TYPE1, TYPE2 return TYPE ]"
+ -- "implicit procedure XXX [ TYPE1, TYPE2 ]"
+ function Disp_Subprg (Subprg : Iir) return String;
+
+ -- Print element POS of discrete type DTYPE.
+ function Disp_Discrete (Dtype : Iir; Pos : Iir_Int64) return String;
+
+ -- Disp the name of the type of NODE if known.
+ -- Disp "unknown" if it is not known.
+ -- Disp all possible types if it is an overload list.
+ function Disp_Type_Of (Node : Iir) return String;
+
+ -- Disp an error message when a pure function CALLER calls impure CALLEE.
+ procedure Error_Pure (Caller : Iir; Callee : Iir; Loc : Iir);
+
+ -- Report an error message as type of EXPR does not match A_TYPE.
+ -- Location is LOC.
+ procedure Error_Not_Match (Expr: Iir; A_Type: Iir; Loc : Iir);
+
+ -- Disp interface mode MODE.
+ function Get_Mode_Name (Mode : Iir_Mode) return String;
+end Errorout;