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From: Cobus.Debeer@p0.f1.n491.z5.fidonet.org (Cobus Debeer)
Newsgroups: comp.lang.modula2
Subject: Grammer continued 2/5
Message-ID: <291.2730462D@puddle.fidonet.org>
Date: 29 Oct 90 05:15:44 GMT
Sender: ufgate@puddle.fidonet.org (newsout1.26)
Organization: FidoNet node 5:491/1.0 - Golden City Opus, Johannesburg RSA
Lines: 122

Grammer continued .... 
 
====m2c.y (=yacc input) 
%token AND 
%token ARRAY 
%token _BEGIN 
%token BY 
%token CASE 
%token CONST 
%token DEFINITION 
%token DIV 
%token DO 
%token ELSE 
%token ELSIF 
%token END 
%token EXIT 
%token EXPORT 
%token FOR 
%token FROM 
%token IF 
%token IMPLEMENTATION 
%token IMPORT 
%token IN 
%token LOOP 
%token MOD 
%token MODULE 
%token NOT 
%token OF 
%token OR 
%token POINTER 
%token PROCEDURE 
%token QUALIFIED 
%token RECORD 
%token REPEAT 
%token RETURN 
%token SET 
%token THEN 
%token TO 
%token TYPE 
%token UNTIL 
%token VAR 
%token WHILE 
%token WITH 
%token ampersand 
%token asterisk 
%token colon 
%token colon_equals 
%token comma 
%token dot 
%token dot 
%token dot_dot 
%token end_of_file 
%token equals_sign 
%token greater_than 
%token greater_than_or_equals 
%token identifier 
%token integer 
%token left_curley_bracket 
%token left_parenthesis 
%token left_square_bracket 
%token left_square_bracket 
%token less_than 
%token less_than_or_equals 
%token minus 
%token not_equals 
%token plus 
%token pound_sign 
%token real 
%token right_curley_bracket 
%token right_parenthesis 
%token right_square_bracket 
%token semicolon 
%token slash 
%token string 
%token up_arrow 
%token vertical_bar 
%% 
compilation : compilation_unit_list ; 
compilation_unit_list : compilation_unit | compilation_unit_list 
                        compilation_unit; 
compilation_unit : module; 
module : program_module | definition_module | implementation_module; 
file_ident : identifier; 
program_module : MODULE file_ident priority_opt semicolon 
                 import_list_opt block ident dot; 
definition_module : DEFINITION MODULE file_ident semicolon 
                    import_list_opt export_opt definition_list_opt 
                    END ident dot; 
implementation_module : IMPLEMENTATION program_module; 
priority_opt : | priority; 
priority : left_square_bracket const_expression right_square_bracket; 
const_expression : expression; 
relation : equals_sign | pound_sign | not_equals | less_than |  
           less_than_or_equals | greater_than | greater_than_or_equals 
           | IN; 
import_list_opt : | import_list; 
import_list : import | import_list import; 
import : from_opt IMPORT ident_list semicolon; 
from_opt : | from; 
from : FROM ident; 
ident_list : ident | ident_list comma ident; 
ident : identifier; 
block : declaration_list_opt begin_and_stmts_opt END; 
declaration_list_opt : | declaration_list; 
declaration_list : declaration | declaration_list declaration; 
declaration : error semicolon | 
              CONST constant_declaration_list_opt | 
              TYPE type_declaration_list_opt | 
              VAR variable_declaration_list_opt | 
              procedure_declaration semicolon| 
              module_declaration semicolon; 
begin_and_stmts_opt : | begin_and_stmts; 
Grammer continues ... 
 
Regards 
- Cobus 
 


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