C BNF Grammar

Satish Kumar .C chittamu at umvlsi.ecs.umass.edu
Sat Nov 18 03:24:12 AEST 1989


I have received a lot of messages requesting the C BNF Grammar. Instead
of posting to each individual person, I decided to post it on the net.

The parser has one shift/reduce conflict on the if and if-else
constructs. You would also see a token called TYPEDEF_NAME in the
grammar which is actually an IDENTIFIER, but is named so in order to
prevent conflicts. You would have to handle it using start conditions or
some such thing in your lexical analyzer.

Hope this helps

======================CUT HERE===============================
#! /bin/sh
# This is a shell archive.  Remove anything before this line, then unpack
# it by saving it into a file and typing "sh file".  To overwrite existing
# files, type "sh file -c".  You can also feed this as standard input via
# unshar, or by typing "sh <file", e.g..  If this archive is complete, you
# will see the following message at the end:
#		"End of shell archive."
# Contents:  c_parser.y
# Wrapped by chittamu at umvlsi.ecs.umass.edu on Fri Nov 17 11:16:20 1989
PATH=/bin:/usr/bin:/usr/ucb ; export PATH
if test -f c_parser.y -a "${1}" != "-c" ; then 
  echo shar: Will not over-write existing file \"c_parser.y\"
else
echo shar: Extracting \"c_parser.y\" \(31676 characters\)
sed "s/^X//" >c_parser.y <<'END_OF_c_parser.y'
X%right   CONDITION      COLON
X%left    LOGICAL_OR
X%left    LOGICAL_AND
X%left    INCLUSIVE_OR
X%left    EXCLUSIVE_OR
X%left    AMPERSAND
X%left    EQUAL  NOT_EQUAL
X%left    LEFT_SHIFT      RIGHT_SHIFT
X%left    PLUS   MINUS
X%left    STAR   DIVIDE   MODULUS
X%left    INCREMENT      DECREMENT
X%left    DOT    LEFT_PARENTHESIS     LEFT_BRACKET
X%right   LOGICAL_NEGATE           ONES_COMPLEMENT
X%left    LESS_THAN      GREATER_THAN    LESS_THAN_EQUAL    GREATER_THAN_EQUAL
X%left    COMMA
X%token   SEMI_COLON
X%token   LEFT_BRACE               RIGHT_BRACE
X%token   RIGHT_PARENTHESIS      RIGHT_BRACKET
X%right   ASSIGN   MULTIPLY_ASSIGN   DIVIDE_ASSIGN   MODULUS_ASSIGN   ADD_ASSIGN
X%right   SUBTRACT_ASSIGN   LEFT_SHIFT_ASSIGN   RIGHT_SHIFT_ASSIGN
X%right   AND_ASSIGN    OR_ASSIGN   XOR_ASSIGN
X%token   MEMBER_OF_STRUCT
X%token   AUTO_TOKEN               BREAK_TOKEN
X%token   CASE_TOKEN               CHAR_TOKEN
X%token   CHAR_TOKEN               CONST_TOKEN
X%token   CONTINUE_TOKEN           DEFAULT_TOKEN
X%token   DO_TOKEN                 DOUBLE_TOKEN
X%token   ELSE_TOKEN               ENUM_TOKEN
X%token   ENUM_TOKEN               EXTERN_TOKEN
X%token   FLOAT_TOKEN              FOR_TOKEN
X%token   GOTO_TOKEN               IF_TOKEN
X%token   INT_TOKEN                LONG_TOKEN
X%token   REGISTER_TOKEN           RETURN_TOKEN
X%token   SHORT_TOKEN              SIGNED_TOKEN
X%token   SIZEOF_TOKEN             STATIC_TOKEN
X%token   STRUCT_TOKEN             SWITCH_TOKEN
X%token   TYPEDEF_TOKEN            UNION_TOKEN
X%token   UNSIGNED_TOKEN           VOID_TOKEN
X%token   VOLATILE_TOKEN           WHILE_TOKEN
X
X%token   IDENTIFIER
X%token   TYPEDEF_NAME
X%token   INTEGER_CONSTANT         FLOATING_CONSTANT
X%token   CHARACTER_CONSTANT       ENUMERATION_CONSTANT
X%token   STRING_LITERAL
X
X%start   Translation_Unit
X
X%%
X
X
XTranslation_Unit          :  Translation_Unit
X                             External_Declaration
X                           | External_Declaration
X                           ;
X
XExternal_Declaration      :  Function_Definition
X                           | Declaration
X                           ;
X
XFunction_Definition       :  Declaration_Specifiers
X                             Declarator
X                             Declaration_List
X                             Compound_Statement 
X                           | Declaration_Specifiers
X                             error
X                             Compound_Statement
X                           | Declarator
X                             Compound_Statement
X                           ;
X
XDeclaration               :  Declaration_Specifiers
X                             Init_Declarator_List
X                             SEMI_COLON
X                           | Declaration_Specifiers
X                             error
X                             SEMI_COLON
X                           | Declaration_Specifiers
X                             SEMI_COLON
X                           ;
X
XDeclaration_List          :  Declaration
X                           | Declaration_List
X                             Declaration
X                           ;
X
XDeclaration_Specifiers    :  Storage_Class_Specifier
X                           | Storage_Class_Specifier Declaration_Specifiers
X                           | Type_Specifier
X                           | Type_Specifier Declaration_Specifiers
X                           | Type_Qualifier
X                           | Type_Qualifier Declaration_Specifiers
X                           ; 
X
XStorage_Class_Specifier   :  AUTO_TOKEN
X                           | REGISTER_TOKEN
X                           | STATIC_TOKEN
X                           | EXTERN_TOKEN
X                           | TYPEDEF_TOKEN
X                           ;
X
XType_Specifier            :  VOID_TOKEN
X                           | CHAR_TOKEN
X                           | SHORT_TOKEN
X                           | INT_TOKEN
X                           | LONG_TOKEN
X                           | FLOAT_TOKEN
X                           | DOUBLE_TOKEN
X                           | SIGNED_TOKEN
X                           | UNSIGNED_TOKEN
X                           | Struct_Or_Union_Specifier
X                           | Enum_Specifier
X                           | TYPEDEF_NAME
X                           ;
X
XType_Qualifier            :  CONST_TOKEN
X                           | VOLATILE_TOKEN
X                           ;
X
XStruct_Or_Union_Specifier  :  Struct_Or_Union
X                              IDENTIFIER
X                            | Struct_Or_Union
X                              Identifier_Opt
X                              Struct_Definition
X                            | Struct_Or_Union
X                              error
X                              Struct_Definition
X                            ;
X
XStruct_Definition          :  LEFT_BRACE
X                              Struct_Declaration_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              error
X                              RIGHT_BRACE
X                            ;
X
XIdentifier_Opt             :  IDENTIFIER
X                            |
X                            ;
X
XStruct_Or_Union            :  STRUCT_TOKEN
X                            | UNION_TOKEN
X                            ;
X
XStruct_Declaration_List    :  Struct_Declaration_List
X                              Struct_Declaration
X                            | Struct_Declaration
X                            ;
X
XInit_Declarator_List       :  Init_Declarator
X                            | Init_Declarator_List
X                              COMMA
X                              Init_Declarator
X                            | error
X                              COMMA
X                              Init_Declarator
X                            ;
X
XInit_Declarator            :  Declarator
X                            | Declarator
X                              ASSIGN
X                              Initializer
X                            | error
X                              ASSIGN
X                              Initializer
X                            ;
X
XStruct_Declaration         :  Specifier_Qualifier_List
X                              Struct_Declarator_List
X			      SEMI_COLON
X                            | error
X                              SEMI_COLON
X                            ;
X
XSpecifier_Qualifier_List   :  Type_Specifier
X                            | Type_Specifier
X                              Specifier_Qualifier_List
X                            | Type_Qualifier
X                            | Type_Qualifier
X                              Specifier_Qualifier_List
X                            ;
X
XStruct_Declarator_List     :  Struct_Declarator
X                            | Struct_Declarator_List
X                              COMMA
X                              Struct_Declarator
X                            | error
X                              COMMA
X                              Struct_Declarator
X                            ;
X
XStruct_Declarator          :  Declarator
X                            | Declarator
X                              COLON
X                              Constant_Expression
X                            | error
X                              COLON
X                              Constant_Expression
X                            | COLON
X                              Constant_Expression
X                            ;
X
XEnum_Specifier             :  ENUM_TOKEN
X                              Identifier_Opt
X                              Enumerators_Definition
X                            | ENUM_TOKEN
X                              error
X                              Enumerators_Definition
X                            | ENUM_TOKEN
X                              IDENTIFIER
X                            ;
X
XEnumerators_Definition     :  LEFT_BRACE
X                              Enumerator_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              error
X                              RIGHT_BRACE
X                            ;
X
XEnumerator_List            :  Enumerator
X                            | Enumerator_List
X                              COMMA
X                              Enumerator
X                            | error
X                              COMMA
X                              Enumerator
X                            ;
X
XEnumerator                 :  IDENTIFIER
X                            | IDENTIFIER
X                              ASSIGN
X                              Constant_Expression
X                            ;
X
XDeclarator                 :  Pointer
X                              Direct_Declarator
X                            | Direct_Declarator
X                            ;
X
XDirect_Declarator          :  IDENTIFIER
X                            | LEFT_PARENTHESIS
X                              Declarator
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            | Direct_Declarator
X                              LEFT_BRACKET
X                              Constant_Expression_Opt
X                              RIGHT_BRACKET
X                            | Direct_Declarator
X                              LEFT_BRACKET
X                              error
X                              RIGHT_BRACKET
X                            | Direct_Declarator
X                              LEFT_PARENTHESIS
X                              Parameter_Type_List
X                              RIGHT_PARENTHESIS
X                            | Direct_Declarator
X                              LEFT_PARENTHESIS
X                              Identifier_List_Opt
X                              RIGHT_PARENTHESIS
X                            | Direct_Declarator
X                              LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XConstant_Expression_Opt    :  Constant_Expression
X                            |
X                            ;
X
XIdentifier_List_Opt        :  Identifier_List
X                            |
X                            ;
X
XPointer                    :  STAR
X                            | STAR
X                              Pointer
X                            | STAR
X                              Type_Qualifier_List
X                            | STAR
X                              Type_Qualifier_List
X                              Pointer
X                            ;
X
XType_Qualifier_List        :  Type_Qualifier_List
X                              Type_Qualifier
X                            | Type_Qualifier
X                            ;
X
XParameter_Type_List        :  Parameter_List
X                            | Parameter_List
X                              COMMA
X                              DOT
X                              DOT
X                              DOT
X                            | error
X                              COMMA
X                              DOT
X                              DOT
X                              DOT
X                            ;
X
XParameter_List             :  Parameter_Declaration
X                            | Parameter_List
X                              COMMA
X                              Parameter_Declaration
X                            | error
X                              COMMA
X                              Parameter_Declaration
X                            ;
X
XParameter_Declaration      :  Declaration_Specifiers
X                              Declarator
X                            | Declaration_Specifiers
X                              Abstract_Declarator
X                            | Declaration_Specifiers
X                            ;
X
XIdentifier_List            :  IDENTIFIER
X                            | Identifier_List
X                              COMMA
X                              IDENTIFIER
X                            | error
X                              COMMA
X                              IDENTIFIER
X                            ;
X
XInitializer                :  Assignment_Expression
X                            | LEFT_BRACE
X                              Initializer_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              error
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              Initializer_List
X                              COMMA
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              error
X                              COMMA
X                              RIGHT_BRACE
X                            ;
X
XInitializer_List           :  Initializer
X                            | Initializer_List
X                              COMMA
X                              Initializer
X                            ;
X
XType_Name                  :  Specifier_Qualifier_List
X                              Abstract_Declarator
X                            | Specifier_Qualifier_List
X                            ;
X
XAbstract_Declarator        :  Pointer
X                            | Pointer
X                              Direct_Abstract_Declarator
X                            | Direct_Abstract_Declarator
X                            ;
X
XDirect_Abstract_Declarator :  LEFT_PARENTHESIS
X                              Abstract_Declarator
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              Parameter_Type_List_Opt
X                              RIGHT_PARENTHESIS
X/*                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X  Causes 4 reduce/reduce conflicts
X*/                            | LEFT_BRACKET
X                              Constant_Expression_Opt
X                              RIGHT_BRACKET
X                            | LEFT_BRACKET
X                              error
X                              RIGHT_BRACKET
X                            | Direct_Abstract_Declarator
X                              LEFT_BRACKET
X                              Constant_Expression_Opt
X                              RIGHT_BRACKET
X                            | Direct_Abstract_Declarator
X                              LEFT_BRACKET
X                              error
X                              RIGHT_BRACKET
X                            | Direct_Abstract_Declarator
X                              LEFT_PARENTHESIS
X                              Parameter_Type_List_Opt
X                              RIGHT_PARENTHESIS
X                            | Direct_Abstract_Declarator
X                              LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XParameter_Type_List_Opt    :  Parameter_Type_List
X                            |
X                            ;
X
X
XStatement                  :  Labeled_Statement
X                            | Expression_Statement
X                            | Compound_Statement
X                            | Selection_Statement
X                            | Iteration_Statement
X                            | Jump_Statement
X                            ;
X
XLabeled_Statement          :  IDENTIFIER
X                              COLON
X                              Statement
X                            | CASE_TOKEN
X                              Constant_Expression
X                              COLON
X                              Statement
X                            | CASE_TOKEN
X                              error
X                              COLON
X                              Statement
X                            | DEFAULT_TOKEN
X                              COLON
X                              Statement
X                            ;
X
XExpression_Statement       :  Expression_Opt
X                              SEMI_COLON
X                            | error
X                              SEMI_COLON
X                            ;
X
XExpression_Opt             :  Expression
X                            |
X                            ;
X
XCompound_Statement         :  LEFT_BRACE
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              Declaration_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              Statement_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              Declaration_List
X                              Statement_List
X                              RIGHT_BRACE
X                            | LEFT_BRACE
X                              error
X                              RIGHT_BRACE
X                            ;
X
XStatement_List             :  Statement_List Statement
X                            | Statement
X                            ;
X
XSelection_Statement        :  If_Statement
X                            | If_Else_Statement
X                            | Switch_Statement
X                            ;                              
X
XIf_Statement               :  IF_TOKEN
X                              If_Condition
X                              Statement
X                            ;
X
XIf_Condition               :  LEFT_PARENTHESIS
X                              Expression
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XIf_Else_Statement          :  IF_TOKEN
X                              If_Condition
X                              IfStatement_Else
X                              Statement
X                            ;
X
XIfStatement_Else           :  Statement
X                              ELSE_TOKEN
X                            | error
X                              ELSE_TOKEN
X                            ;
X
XSwitch_Statement           :  SWITCH_TOKEN
X                              Switch_Expression
X                              Statement
X                            ;
X
XSwitch_Expression          :  LEFT_PARENTHESIS
X                              Expression
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X                            
XIteration_Statement        :  While_Statement
X                            | Do_While_Statement
X                            | For_Statement
X                            ;
X
XWhile_Statement            :  WHILE_TOKEN
X                              While_Condition
X                              Statement
X                            ;
X
XWhile_Condition            :  LEFT_PARENTHESIS
X                              Expression
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XDo_While_Statement         :  DO_TOKEN
X                              Do_Statement
X                              Do_Condition
X                              SEMI_COLON
X                            ;
X
XDo_Statement               :  Statement
X                              WHILE_TOKEN
X                            | error
X                              WHILE_TOKEN
X                            ;
X
XDo_Condition               :  LEFT_PARENTHESIS
X                              Expression
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XFor_Statement              :  FOR_TOKEN
X                              LEFT_PARENTHESIS
X                              First_For_Expression
X                              Second_For_Expression
X                              Third_For_Expression
X                              Statement
X                            ;
X
XFirst_For_Expression       :  Expression_Opt
X                              SEMI_COLON
X                            | error
X                              SEMI_COLON
X                            ;
X
XSecond_For_Expression      :  Expression_Opt
X                              SEMI_COLON
X                            | error
X                              SEMI_COLON
X                            ;
X
XThird_For_Expression       :  Expression_Opt
X                              RIGHT_PARENTHESIS
X                            | error
X                              RIGHT_PARENTHESIS
X                            ;
X
XJump_Statement             :  GOTO_TOKEN
X                              IDENTIFIER
X                              SEMI_COLON
X                            | CONTINUE_TOKEN
X                              SEMI_COLON
X                            | BREAK_TOKEN
X                              SEMI_COLON
X                            | RETURN_TOKEN
X                              Expression_Opt
X                              SEMI_COLON
X                            | RETURN_TOKEN
X                              error
X                              SEMI_COLON
X                            ;
X
XExpression                 :  Assignment_Expression
X                            | Expression
X                              COMMA
X                              Assignment_Expression
X                            | error
X                              COMMA
X                              Assignment_Expression
X                            ;
X
XAssignment_Expression      :  Conditional_Expression
X                            | Unary_Expression
X                              Assignment_Operator
X                              Assignment_Expression
X                            ;
X
XAssignment_Operator        :  ASSIGN
X                            | MULTIPLY_ASSIGN
X                            | DIVIDE_ASSIGN
X                            | MODULUS_ASSIGN
X                            | ADD_ASSIGN
X                            | SUBTRACT_ASSIGN
X                            | LEFT_SHIFT_ASSIGN
X                            | RIGHT_SHIFT_ASSIGN
X                            | AND_ASSIGN
X                            | OR_ASSIGN
X                            | XOR_ASSIGN
X                            ;
X
XConditional_Expression     :  Logical_OR_Expression
X                            | First_Condition_Expression
X                              Second_Condition_Expression
X                              Conditional_Expression
X                            ;
X
XFirst_Condition_Expression :  Logical_OR_Expression
X                              CONDITION
X                            | error
X                              CONDITION
X                            ;
X
XSecond_Condition_Expression :  Expression
X                               COLON
X                             | error
X                               COLON
X                             ;
X
XConstant_Expression        :  Conditional_Expression
X                            ;
X
XLogical_OR_Expression      :  Logical_AND_Expression
X                            | Logical_OR_Expression
X                              LOGICAL_OR
X                              Logical_AND_Expression
X                            | error
X                              LOGICAL_OR
X                              Logical_AND_Expression
X                            ;
X
XLogical_AND_Expression     :  Inclusive_OR_Expression
X                            | Logical_AND_Expression
X                              LOGICAL_AND
X                              Inclusive_OR_Expression
X                            | error
X                              LOGICAL_AND
X                              Inclusive_OR_Expression
X                            ;
X
XInclusive_OR_Expression    :  Exclusive_OR_Expression
X                            | Inclusive_OR_Expression
X                              INCLUSIVE_OR
X                              Exclusive_OR_Expression
X                            | error
X                              INCLUSIVE_OR
X                              Exclusive_OR_Expression
X                            ;
X
XExclusive_OR_Expression    :  AND_Expression
X                            | Exclusive_OR_Expression
X                              EXCLUSIVE_OR
X                              AND_Expression
X                            | error
X                              EXCLUSIVE_OR
X                              AND_Expression
X                            ;
X
XAND_Expression             :  Equality_Expression
X                            | AND_Expression
X                              AMPERSAND
X                              Equality_Expression
X                            | error
X                              AMPERSAND
X                              Equality_Expression
X                            ;
X
XEquality_Expression        :  Relational_Expression
X                            | Equality_Expression
X                              EQUAL
X                              Relational_Expression
X                            | Equality_Expression
X                              NOT_EQUAL
X                              Relational_Expression
X                            | error
X                              Equality_Token
X                              Relational_Expression
X                            ;
X
XEquality_Token             :  EQUAL
X                            | NOT_EQUAL
X                            ;
X
XRelational_Expression      :  Shift_Expression
X                            | Relational_Expression
X                              LESS_THAN
X                              Shift_Expression
X                            | Relational_Expression
X                              GREATER_THAN
X                              Shift_Expression
X                            | Relational_Expression
X                              LESS_THAN_EQUAL
X                              Shift_Expression
X                            | Relational_Expression
X                              GREATER_THAN_EQUAL
X                              Shift_Expression
X                            | error
X                              Relational_Token
X                              Shift_Expression
X                            ;
X
XRelational_Token           :  LESS_THAN
X                            | GREATER_THAN
X                            | LESS_THAN_EQUAL
X                            | GREATER_THAN_EQUAL
X                            ;
X
XShift_Expression           :  Additive_Expression
X                            | Shift_Expression
X                              LEFT_SHIFT
X                              Additive_Expression
X                            | Shift_Expression
X                              RIGHT_SHIFT
X                              Additive_Expression
X                            | error
X                              Shift_Token
X                              Additive_Expression
X                            ;
X
XShift_Token                :  LEFT_SHIFT
X                            | RIGHT_SHIFT
X                            ;
X
XAdditive_Expression        :  Multiplicative_Expression
X                            | Additive_Expression
X                              PLUS
X                              Multiplicative_Expression
X                            | Additive_Expression
X                              MINUS
X                              Multiplicative_Expression
X                            | error
X                              Additive_Token
X                              Multiplicative_Expression
X                            ;
X
XAdditive_Token             :  PLUS
X                            | MINUS
X                            ;
X
XMultiplicative_Expression  :  Cast_Expression
X                            | Multiplicative_Expression
X                              STAR
X                              Cast_Expression
X                            | Multiplicative_Expression
X                              DIVIDE
X                              Cast_Expression
X                            | Multiplicative_Expression
X                              MODULUS
X                              Cast_Expression
X                            | error
X                              Multiplicative_Token
X                              Cast_Expression
X                            ;
X
XMultiplicative_Token       :  STAR
X                            | DIVIDE
X                            | MODULUS
X                            ;
X
XCast_Expression            :  Unary_Expression
X                            | LEFT_PARENTHESIS
X                              Type_Name
X                              RIGHT_PARENTHESIS
X                              Cast_Expression
X                            ;
X
XUnary_Expression           :  Postfix_Expression
X                            | INCREMENT
X                              Unary_Expression
X                            | DECREMENT
X                              Unary_Expression
X                            | Unary_Operator
X                              Cast_Expression
X                            | SIZEOF_TOKEN
X                              Unary_Expression
X                            | SIZEOF_TOKEN
X                              LEFT_PARENTHESIS
X                              Type_Name
X                              RIGHT_PARENTHESIS
X                            ;
X
XUnary_Operator             :  AMPERSAND
X                            | STAR
X                            | PLUS
X                            | MINUS
X                            | LOGICAL_NEGATE
X                            | ONES_COMPLEMENT
X                            ;
X
XPostfix_Expression         :  Primary_Expression
X                            | Postfix_Expression
X                              LEFT_BRACKET
X                              Expression
X                              RIGHT_BRACKET
X                            | Postfix_Expression
X                              LEFT_PARENTHESIS
X                              RIGHT_PARENTHESIS
X                            | Postfix_Expression
X                              LEFT_PARENTHESIS
X                              Argument_Expression_List
X                              RIGHT_PARENTHESIS
X                            | Postfix_Expression
X                              LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            | Postfix_Expression
X                              DOT
X                              IDENTIFIER
X                            | Postfix_Expression
X                              MEMBER_OF_STRUCT
X                              IDENTIFIER
X                            | Postfix_Expression
X                              INCREMENT
X                            | Postfix_Expression
X                              DECREMENT
X                            ;
X
XPrimary_Expression         :  IDENTIFIER
X                            | Constant
X                            | STRING_LITERAL
X                            | LEFT_PARENTHESIS
X                              Expression
X                              RIGHT_PARENTHESIS
X                            | LEFT_PARENTHESIS
X                              error
X                              RIGHT_PARENTHESIS
X                            ;
X
XArgument_Expression_List   :  Assignment_Expression
X                            | Argument_Expression_List
X                              COMMA
X                              Assignment_Expression
X                            ;
X
XConstant                   :  INTEGER_CONSTANT
X                            | CHARACTER_CONSTANT
X                            | FLOATING_CONSTANT
X                            | ENUMERATION_CONSTANT
X                            ;
X
X
X%%
END_OF_c_parser.y
if test 31676 -ne `wc -c <c_parser.y`; then
    echo shar: \"c_parser.y\" unpacked with wrong size!
fi
# end of overwriting check
fi
echo shar: End of shell archive.
exit 0
-- 
	-Satish.
	chittamu at cs.umass.edu
--
The Theory of Objectivity: E = mc++



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