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-rw-r--r--ortho/llvm/ortho_ident.adb134
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diff --git a/ortho/llvm/ortho_ident.adb b/ortho/llvm/ortho_ident.adb
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--- a/ortho/llvm/ortho_ident.adb
+++ /dev/null
@@ -1,134 +0,0 @@
--- LLVM back-end for ortho.
--- Copyright (C) 2014 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 GCC; see the file COPYING. If not, write to the Free
--- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--- 02111-1307, USA.
-
-package body Ortho_Ident is
- type Chunk (Max : Positive);
- type Chunk_Acc is access Chunk;
-
- type Chunk (Max : Positive) is record
- Prev : Chunk_Acc;
- Len : Natural := 0;
- S : String (1 .. Max);
- end record;
-
- Cur_Chunk : Chunk_Acc := null;
-
- subtype Fat_String is String (Positive);
-
- function Get_Identifier (Str : String) return O_Ident
- is
- Len : constant Natural := Str'Length;
- Max : Positive;
- Org : Positive;
- begin
- if Cur_Chunk = null or else Cur_Chunk.Len + Len >= Cur_Chunk.Max then
- if Cur_Chunk = null then
- Max := 32 * 1024;
- else
- Max := 2 * Cur_Chunk.Max;
- end if;
- if Len + 2 > Max then
- Max := 2 * (Len + 2);
- end if;
- declare
- New_Chunk : Chunk_Acc;
- begin
- -- Do not use allocator by expression, as we don't want to
- -- initialize S.
- New_Chunk := new Chunk (Max);
- New_Chunk.Len := 0;
- New_Chunk.Prev := Cur_Chunk;
- Cur_Chunk := New_Chunk;
- end;
- end if;
-
- Org := Cur_Chunk.Len + 1;
- Cur_Chunk.S (Org .. Org + Len - 1) := Str;
- Cur_Chunk.S (Org + Len) := ASCII.NUL;
- Cur_Chunk.Len := Org + Len;
-
- return (Addr => Cur_Chunk.S (Org)'Address);
- end Get_Identifier;
-
- function Is_Equal (L, R : O_Ident) return Boolean
- is
- begin
- return L = R;
- end Is_Equal;
-
- function Get_String_Length (Id : O_Ident) return Natural
- is
- Str : Fat_String;
- pragma Import (Ada, Str);
- for Str'Address use Id.Addr;
- begin
- for I in Str'Range loop
- if Str (I) = ASCII.NUL then
- return I - 1;
- end if;
- end loop;
- raise Program_Error;
- end Get_String_Length;
-
- function Get_String (Id : O_Ident) return String
- is
- Str : Fat_String;
- pragma Import (Ada, Str);
- for Str'Address use Id.Addr;
- begin
- for I in Str'Range loop
- if Str (I) = ASCII.NUL then
- return Str (1 .. I - 1);
- end if;
- end loop;
- raise Program_Error;
- end Get_String;
-
- function Get_Cstring (Id : O_Ident) return System.Address is
- begin
- return Id.Addr;
- end Get_Cstring;
-
- function Is_Equal (Id : O_Ident; Str : String) return Boolean
- is
- Istr : Fat_String;
- pragma Import (Ada, Istr);
- for Istr'Address use Id.Addr;
-
- Str_Len : constant Natural := Str'Length;
- begin
- for I in Istr'Range loop
- if Istr (I) = ASCII.NUL then
- return I - 1 = Str_Len;
- end if;
- if I > Str_Len then
- return False;
- end if;
- if Istr (I) /= Str (Str'First + I - 1) then
- return False;
- end if;
- end loop;
- raise Program_Error;
- end Is_Equal;
-
- function Is_Nul (Id : O_Ident) return Boolean is
- begin
- return Id = O_Ident_Nul;
- end Is_Nul;
-
-end Ortho_Ident;