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|
-- Scanner token definitions.
-- 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.
package body Vhdl.Tokens is
-- Return the name of the token.
function Image (Token: Token_Type) return String is
begin
case Token is
when Tok_Invalid =>
return "<invalid>";
when Tok_Left_Paren =>
return "(";
when Tok_Right_Paren =>
return ")";
when Tok_Left_Bracket =>
return "[";
when Tok_Right_Bracket =>
return "]";
when Tok_Colon =>
return ":";
when Tok_Semi_Colon =>
return ";";
when Tok_Comma =>
return ",";
when Tok_Tick =>
return "'";
when Tok_Double_Star =>
return "**";
when Tok_Double_Arrow =>
return "=>";
when Tok_Assign =>
return ":=";
when Tok_Bar =>
return "|";
when Tok_Box =>
return "<>";
when Tok_Dot =>
return ".";
when Tok_Eof =>
return "<EOF>";
when Tok_Newline =>
return "<newline>";
when Tok_Line_Comment =>
return "<line-comment>";
when Tok_Block_Comment =>
return "<block-comment>";
when Tok_Character =>
return "<character>";
when Tok_Identifier =>
return "<identifier>";
when Tok_Integer
| Tok_Integer_Letter =>
return "<integer>";
when Tok_Real =>
return "<real>";
when Tok_String =>
return "<string>";
when Tok_Bit_String =>
return "<bit string>";
when Tok_Equal_Equal =>
return "==";
-- relational_operator:
when Tok_Equal =>
return "=";
when Tok_Not_Equal =>
return "/=";
when Tok_Less =>
return "<";
when Tok_Less_Equal =>
return "<=";
when Tok_Greater =>
return ">";
when Tok_Greater_Equal =>
return ">=";
when Tok_Match_Equal =>
return "?=";
when Tok_Match_Not_Equal =>
return "?/=";
when Tok_Match_Less =>
return "?<";
when Tok_Match_Less_Equal =>
return "?<=";
when Tok_Match_Greater =>
return "?>";
when Tok_Match_Greater_Equal =>
return "?>=";
-- sign token
when Tok_Plus =>
return "+";
when Tok_Minus =>
return "-";
-- and adding_operator
when Tok_Ampersand =>
return "&";
when Tok_Condition =>
return "??";
when Tok_Double_Less =>
return "<<";
when Tok_Double_Greater =>
return ">>";
when Tok_Caret =>
return "^";
-- multiplying operator
when Tok_Star =>
return "*";
when Tok_Slash =>
return "/";
when Tok_Mod =>
return "mod";
when Tok_Rem =>
return "rem";
-- relation token:
when Tok_And =>
return "and";
when Tok_Or =>
return "or";
when Tok_Xor =>
return "xor";
when Tok_Nand =>
return "nand";
when Tok_Nor =>
return "nor";
when Tok_Xnor =>
return "xnor";
-- Reserved words.
when Tok_Abs =>
return "abs";
when Tok_Access =>
return "access";
when Tok_After =>
return "after";
when Tok_Alias =>
return "alias";
when Tok_All =>
return "all";
when Tok_Architecture =>
return "architecture";
when Tok_Array =>
return "array";
when Tok_Assert =>
return "assert";
when Tok_Attribute =>
return "attribute";
when Tok_Begin =>
return "begin";
when Tok_Block =>
return "block";
when Tok_Body =>
return "body";
when Tok_Buffer =>
return "buffer";
when Tok_Bus =>
return "bus";
when Tok_Case =>
return "case";
when Tok_Component =>
return "component";
when Tok_Configuration =>
return "configuration";
when Tok_Constant =>
return "constant";
when Tok_Disconnect =>
return "disconnect";
when Tok_Downto =>
return "downto";
when Tok_Else =>
return "else";
when Tok_Elsif =>
return "elsif";
when Tok_End =>
return "end";
when Tok_Entity =>
return "entity";
when Tok_Exit =>
return "exit";
when Tok_File =>
return "file";
when Tok_For =>
return "for";
when Tok_Function =>
return "function";
when Tok_Generate =>
return "generate";
when Tok_Generic =>
return "generic";
when Tok_Group =>
return "group";
when Tok_Guarded =>
return "guarded";
when Tok_If =>
return "if";
when Tok_Impure =>
return "impure";
when Tok_In =>
return "in";
when Tok_Inertial =>
return "inertial";
when Tok_Inout =>
return "inout";
when Tok_Is =>
return "is";
when Tok_Label =>
return "label";
when Tok_Library =>
return "library";
when Tok_Linkage =>
return "linkage";
when Tok_Literal =>
return "literal";
when Tok_Loop =>
return "loop";
when Tok_Map =>
return "map";
when Tok_New =>
return "new";
when Tok_Next =>
return "next";
when Tok_Not =>
return "not";
when Tok_Null =>
return "null";
when Tok_Of =>
return "of";
when Tok_On =>
return "on";
when Tok_Open =>
return "open";
when Tok_Out =>
return "out";
when Tok_Others =>
return "others";
when Tok_Package =>
return "package";
when Tok_Port =>
return "port";
when Tok_Postponed =>
return "postponed";
when Tok_Procedure =>
return "procedure";
when Tok_Process =>
return "process";
when Tok_Pure =>
return "pure";
when Tok_Range =>
return "range";
when Tok_Record =>
return "record";
when Tok_Register =>
return "register";
when Tok_Reject =>
return "reject";
when Tok_Report =>
return "report";
when Tok_Return =>
return "return";
when Tok_Select =>
return "select";
when Tok_Severity =>
return "severity";
when Tok_Shared =>
return "shared";
when Tok_Signal =>
return "signal";
when Tok_Subtype =>
return "subtype";
when Tok_Then =>
return "then";
when Tok_To =>
return "to";
when Tok_Transport =>
return "transport";
when Tok_Type =>
return "type";
when Tok_Unaffected =>
return "unaffected";
when Tok_Units =>
return "units";
when Tok_Until =>
return "until";
when Tok_Use =>
return "use";
when Tok_Variable =>
return "variable";
when Tok_Wait =>
return "wait";
when Tok_When =>
return "when";
when Tok_While =>
return "while";
when Tok_With =>
return "with";
-- shift_operator
when Tok_Sll =>
return "sll";
when Tok_Sla =>
return "sla";
when Tok_Sra =>
return "sra";
when Tok_Srl =>
return "srl";
when Tok_Rol =>
return "rol";
when Tok_Ror =>
return "ror";
-- VHDL 00
when Tok_Protected =>
return "protected";
-- VHDL 08
when Tok_Context =>
return "context";
when Tok_Parameter =>
return "parameter";
-- AMS-VHDL
when Tok_Across =>
return "across";
when Tok_Break =>
return "break";
when Tok_Limit =>
return "limit";
when Tok_Nature =>
return "nature";
when Tok_Noise =>
return "noise";
when Tok_Procedural =>
return "procedural";
when Tok_Quantity =>
return "quantity";
when Tok_Reference =>
return "reference";
when Tok_Spectrum =>
return "spectrum";
when Tok_Subnature =>
return "subnature";
when Tok_Terminal =>
return "terminal";
when Tok_Through =>
return "through";
when Tok_Tolerance =>
return "tolerance";
when Tok_And_And =>
return "&&";
when Tok_Bar_Bar =>
return "||";
when Tok_Left_Curly =>
return "{";
when Tok_Right_Curly =>
return "}";
when Tok_Exclam_Mark =>
return "!";
when Tok_Brack_Star =>
return "[*";
when Tok_Brack_Plus_Brack =>
return "[+]";
when Tok_Brack_Arrow =>
return "[->";
when Tok_Brack_Equal =>
return "[=";
when Tok_Bar_Arrow =>
return "|->";
when Tok_Bar_Double_Arrow =>
return "|=>";
when Tok_Minus_Greater =>
return "->";
when Tok_Arobase =>
return "@";
when Tok_Psl_Default =>
return "default";
when Tok_Psl_Clock =>
return "clock";
when Tok_Psl_Property =>
return "property";
when Tok_Psl_Sequence =>
return "sequence";
when Tok_Psl_Endpoint =>
return "endpoint";
when Tok_Psl_Cover =>
return "cover";
when Tok_Psl_Const =>
return "const";
when Tok_Psl_Boolean =>
return "boolean";
when Tok_Inf =>
return "inf";
when Tok_Within =>
return "within";
when Tok_Abort =>
return "abort";
when Tok_Before =>
return "before";
when Tok_Before_Em =>
return "before!";
when Tok_Before_Un =>
return "before_";
when Tok_Before_Em_Un =>
return "before!_";
when Tok_Until_Em =>
return "until!";
when Tok_Until_Un =>
return "until_";
when Tok_Until_Em_Un =>
return "until!_";
when Tok_Always =>
return "always";
when Tok_Never =>
return "never";
when Tok_Eventually =>
return "eventually";
when Tok_Next_A =>
return "next_a";
when Tok_Next_E =>
return "next_e";
when Tok_Next_Event =>
return "next_event";
when Tok_Next_Event_A =>
return "next_event_a";
when Tok_Next_Event_E =>
return "next_event_e";
end case;
end Image;
end Vhdl.Tokens;
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