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Diffstat (limited to 'src/vhdl/tokens.ads')
| -rw-r--r-- | src/vhdl/tokens.ads | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/vhdl/tokens.ads b/src/vhdl/tokens.ads new file mode 100644 index 000000000..c72873103 --- /dev/null +++ b/src/vhdl/tokens.ads @@ -0,0 +1,279 @@ +-- 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 Tokens is + pragma Pure (Tokens); + + type Token_Type is + ( + Tok_Invalid, -- current_token is not valid. + + Tok_Left_Paren, -- ( + Tok_Right_Paren, -- ) + Tok_Left_Bracket, -- [ + Tok_Right_Bracket, -- ] + Tok_Colon, -- : + Tok_Semi_Colon, -- ; + Tok_Comma, -- , + Tok_Double_Arrow, -- => + Tok_Tick, -- ' + Tok_Double_Star, -- ** + Tok_Assign, -- := + Tok_Bar, -- | + Tok_Box, -- <> + Tok_Dot, -- . + + Tok_Equal_Equal, -- == (AMS Vhdl) + + Tok_Eof, -- End of file. + Tok_Newline, + Tok_Comment, + Tok_Character, + Tok_Identifier, + Tok_Integer, + Tok_Real, + Tok_String, + Tok_Bit_String, + + -- relational_operator + Tok_Equal, -- = + Tok_Not_Equal, -- /= + Tok_Less, -- < + Tok_Less_Equal, -- <= + Tok_Greater, -- > + Tok_Greater_Equal, -- >= + + Tok_Match_Equal, -- ?= + Tok_Match_Not_Equal, -- ?/= + Tok_Match_Less, -- ?< + Tok_Match_Less_Equal, -- ?<= + Tok_Match_Greater, -- ?> + Tok_Match_Greater_Equal, -- ?>= + + -- sign token + Tok_Plus, -- + + Tok_Minus, -- - + -- and adding_operator + Tok_Ampersand, -- & + + Tok_Condition, -- ?? + + -- PSL + Tok_And_And, -- && + Tok_Bar_Bar, -- || + Tok_Left_Curly, -- { + Tok_Right_Curly, -- } + Tok_Exclam_Mark, -- ! + Tok_Brack_Star, -- [* + Tok_Brack_Plus_Brack, -- [+] + Tok_Brack_Arrow, -- [-> + Tok_Brack_Equal, -- [= + Tok_Bar_Arrow, -- |-> + Tok_Bar_Double_Arrow, -- |=> + Tok_Minus_Greater, -- -> + Tok_Arobase, -- @ + + -- multiplying operator + Tok_Star, -- * + Tok_Slash, -- / + Tok_Mod, -- mod + Tok_Rem, -- rem + + -- relation token: + Tok_And, + Tok_Or, + Tok_Xor, + Tok_Nand, + Tok_Nor, + + -- miscellaneous operator + Tok_Abs, + Tok_Not, + + -- Key words + Tok_Access, + Tok_After, + Tok_Alias, + Tok_All, + Tok_Architecture, + Tok_Array, + Tok_Assert, + Tok_Attribute, + + Tok_Begin, + Tok_Block, + Tok_Body, + Tok_Buffer, + Tok_Bus, + + Tok_Case, + Tok_Component, + Tok_Configuration, + Tok_Constant, + + Tok_Disconnect, + Tok_Downto, + + Tok_Else, + Tok_Elsif, + Tok_End, + Tok_Entity, + Tok_Exit, + + Tok_File, + Tok_For, + Tok_Function, + + Tok_Generate, + Tok_Generic, + Tok_Guarded, + + Tok_If, + Tok_In, + Tok_Inout, + Tok_Is, + + Tok_Label, + Tok_Library, + Tok_Linkage, + Tok_Loop, + + Tok_Map, + + Tok_New, + Tok_Next, + Tok_Null, + + Tok_Of, + Tok_On, + Tok_Open, + Tok_Others, + Tok_Out, + + Tok_Package, + Tok_Port, + Tok_Procedure, + Tok_Process, + + Tok_Range, + Tok_Record, + Tok_Register, + Tok_Report, + Tok_Return, + + Tok_Select, + Tok_Severity, + Tok_Signal, + Tok_Subtype, + + Tok_Then, + Tok_To, + Tok_Transport, + Tok_Type, + + Tok_Units, + Tok_Until, + Tok_Use, + + Tok_Variable, + + Tok_Wait, + Tok_When, + Tok_While, + Tok_With, + + -- Tokens below this line are key words in vhdl93 but not in vhdl87 + Tok_Xnor, + Tok_Group, + Tok_Impure, + Tok_Inertial, + Tok_Literal, + Tok_Postponed, + Tok_Pure, + Tok_Reject, + Tok_Shared, + Tok_Unaffected, + + -- shift_operator + Tok_Sll, + Tok_Sla, + Tok_Sra, + Tok_Srl, + Tok_Rol, + Tok_Ror, + + -- Added by Vhdl 2000: + Tok_Protected, + + -- AMS reserved words + Tok_Across, + Tok_Break, + Tok_Limit, + Tok_Nature, + Tok_Noise, + Tok_Procedural, + Tok_Quantity, + Tok_Reference, + Tok_Spectrum, + Tok_Subnature, + Tok_Terminal, + Tok_Through, + Tok_Tolerance, + + -- PSL words + Tok_Psl_Default, + Tok_Psl_Clock, + Tok_Psl_Property, + Tok_Psl_Sequence, + Tok_Psl_Endpoint, + Tok_Psl_Assert, + Tok_Psl_Cover, + + Tok_Psl_Const, + Tok_Psl_Boolean, + Tok_Inf, + + Tok_Within, + Tok_Abort, + Tok_Before, + Tok_Always, + Tok_Never, + Tok_Eventually, + Tok_Next_A, + Tok_Next_E, + Tok_Next_Event, + Tok_Next_Event_A, + Tok_Next_Event_E + ); + + -- subtype Token_Relation_Type is Token_Type range Tok_And .. Tok_Xnor; + subtype Token_Relational_Operator_Type is Token_Type range + Tok_Equal .. Tok_Match_Greater_Equal; + subtype Token_Shift_Operator_Type is Token_Type range + Tok_Sll .. Tok_Ror; + subtype Token_Sign_Type is Token_Type range + Tok_Plus .. Tok_Minus; + subtype Token_Adding_Operator_Type is Token_Type range + Tok_Plus .. Tok_Ampersand; + subtype Token_Multiplying_Operator_Type is Token_Type range + Tok_Star .. Tok_Rem; + + Tok_First_Keyword : constant Tokens.Token_Type := Tokens.Tok_Mod; + + -- Return the name of the token. + function Image (Token: Token_Type) return String; +end Tokens; |