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120++parse.y
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/*
* Grammar for 120++, a subset of C++ used in CS 120 at University of Idaho
*
* Adaptation by Clinton Jeffery, with help from Matthew Brown, Ranger
* Adams, and Shea Newton.
*
* Based on Sandro Sigala's transcription of the ISO C++ 1996 draft standard.
*
*/
/* $Id: parser.y,v 1.3 1997/11/19 15:13:16 sandro Exp $ */
/*
* Copyright (c) 1997 Sandro Sigala <[email protected]>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* ISO C++ parser.
*
* Based on the ISO C++ draft standard of December '96.
*/
%{
//#define YYDEBUG 1
#include <stdio.h>
#include <string.h>
#include "120++nonterms.h"
#include "globals.h"
int yydebug=0;
static const short W_PARSE_UNSUPPORTED = 1;
static const short W_PARSE_UNHANDLED = 2;
extern int yylex(void);
void handle_parse_warning(char *msg,short warning_type);
static void yyerror(char *msg);
%}
%define api.value.type { tree* }
/*
%union {
tree *node;
}
*/
%token IDENTIFIER INTEGER FLOATING CHARACTER STRING
%token TYPEDEF_NAME NAMESPACE_NAME CLASS_NAME ENUM_NAME TEMPLATE_NAME
%token ELLIPSIS COLONCOLON DOTSTAR
%token ADDEQ SUBEQ MULEQ DIVEQ MODEQ ANDEQ OREQ XOREQ SL SLEQ SR SREQ
%token EQ LTEQ GTEQ NOTEQ ANDAND OROR
%token PLUSPLUS MINUSMINUS ARROWSTAR ARROW
%token ALIGNAS ALIGNOF ASM AUTO
%token BOOL BREAK
%token CASE CATCH CHAR CHAR16_T CHAR32_T CLASS CONST CONST_CAST CONST_EXPR CONTINUE
%token DECLTYPE DEFAULT DELETE DO DOUBLE DYNAMIC_CAST
%token ELSE ENUM EXPLICIT EXPORT EXTERN
%token FALSE FLOAT FOR FRIEND
%token GOTO IF INLINE INT LONG
%token MUTABLE
%token NAMESPACE NEW NOEXCEPT NULLPTR
%token OPERATOR PRIVATE PROTECTED PUBLIC REGISTER REINTERPRET_CAST RETURN
%token SHORT SIGNED SIZEOF STATIC STATIC_ASSERT STATIC_CAST STRUCT SWITCH
%token TEMPLATE THIS THREAD_LOCAL THROW TRUE TRY TYPEDEF TYPEID TYPENAME
%token UNION UNSIGNED USING
%token VIRTUAL VOID VOLATILE WCHAR_T WHILE
%start program_start
%%
/*----------------------------------------------------------------------
* Context-dependent identifiers.
*----------------------------------------------------------------------*/
typedef_name:
/* identifier */
TYPEDEF_NAME { yylval->production = typedef_name; $$ = $1; }
;
namespace_name:
original_namespace_name { $$ = pt_generate_node( namespace_name, "namespace_name", 1, $1 ); }
;
original_namespace_name:
/* identifier */
NAMESPACE_NAME { yylval->production = original_namespace_name; $$ = $1; }
;
class_name:
/* identifier */
CLASS_NAME { yylval->production = class_name; $$ = $1; }
| template_id { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( class_name+2, "class_name_2", 1, $1 ); }
;
enum_name:
/* identifier */
ENUM_NAME { yylval->production = enum_name; $$ = $1; }
;
template_name:
/* identifier */
TEMPLATE_NAME { /* !Not 120++! */ yylval->production = template_name; $$ = $1; }
;
/*----------------------------------------------------------------------
* Lexical elements.
*----------------------------------------------------------------------*/
identifier:
IDENTIFIER { yylval->production = identifier; $$ = $1; }
;
literal:
integer_literal { $$ = pt_generate_node( literal+1, "literal_1", 1, $1 ); }
| character_literal { $$ = pt_generate_node( literal+2, "literal_2", 1, $1 ); }
| floating_literal { $$ = pt_generate_node( literal+3, "literal_3", 1, $1 ); }
| string_literal { $$ = pt_generate_node( literal+4, "literal_4", 1, $1 ); }
| boolean_literal { $$ = pt_generate_node( literal+5, "literal_5", 1, $1 ); }
;
integer_literal:
INTEGER { yylval->production = integer_literal; $$ = $1; }
;
character_literal:
CHARACTER { yylval->production = character_literal; $$ = $1; }
;
floating_literal:
FLOATING { yylval->production = floating_literal; $$ = $1; }
;
string_literal:
STRING { yylval->production = string_literal; $$ = $1; }
;
boolean_literal:
TRUE { yylval->production = boolean_literal+1; $$ = $1; }
| FALSE { yylval->production = boolean_literal+2; $$ = $1; }
;
/*----------------------------------------------------------------------
* Program start.
*----------------------------------------------------------------------*/
program_start:
declaration_seq_opt { yyparsetree = pt_generate_node( program_start, "program_start", 1, $1 ); }
;
/*----------------------------------------------------------------------
* Epsilon (optional) definitions.
* (Unsupported optional rules are not warned, though their specific target may be.)
*----------------------------------------------------------------------*/
declaration_seq_opt:
/* epsilon */ { $$ = NULL; }
| declaration_seq { $$ = pt_generate_node( declaration_seq_opt+1, "declaration_seq_opt", 1, $1 ); }
;
statement_seq_opt:
/* epsilon */ { $$ = NULL; }
| statement_seq { $$ = pt_generate_node( statement_seq_opt+1, "statement_seq_opt", 1, $1 ); }
;
expression_list_opt:
/* epsilon */ { $$ = NULL; }
| expression_list { $$ = pt_generate_node( expression_list_opt+1, "expression_list_opt", 1, $1 ); }
;
constant_expression_opt:
/* epsilon */ { $$ = NULL; }
| constant_expression { $$ = pt_generate_node( constant_expression_opt+1, "constant_expression_opt", 1, $1 ); }
;
condition_opt:
/* epsilon */ { $$ = NULL; }
| condition { $$ = pt_generate_node( condition_opt+1, "condition_opt", 1, $1 ); }
;
assignment_expression_opt:
/* epsilon */ { $$ = NULL; }
| assignment_expression { /* !Not 120++! */ $$ = pt_generate_node( assignment_expression_opt+1, "assignment_expression_opt", 1, $1 ); }
;
new_placement_opt:
/* epsilon */ { $$ = NULL; }
| new_placement { $$ = pt_generate_node( new_placement_opt+1, "new_placement_opt", 1, $1 ); }
;
new_initializer_opt:
/* epsilon */ { $$ = NULL; }
| new_initializer { $$ = pt_generate_node( new_initializer_opt+1, "new_initializer_opt", 1, $1 ); }
;
new_declarator_opt:
/* epsilon */ { $$ = NULL; }
| new_declarator { $$ = pt_generate_node( new_declarator_opt+1, "new_declarator_opt", 1, $1 ); }
;
nested_name_specifier_opt:
/* epsilon */ { $$ = NULL; }
| nested_name_specifier { $$ = pt_generate_node( nested_name_specifier_opt+1, "nested_name_specifier_opt", 1, $1 ); }
;
initializer_opt:
/* epsilon */ { $$ = NULL; }
| initializer { $$ = pt_generate_node( initializer_opt+1, "initializer_opt", 1, $1 ); }
;
ctor_initializer_opt:
/* epsilon */ { $$ = NULL; }
| ctor_initializer { /* !Not 120++! */ $$ = pt_generate_node( ctor_initializer_opt+1, "ctor_initializer_opt", 1, $1 ); }
;
type_specifier_seq_opt:
/* epsilon */ { $$ = NULL; }
| type_specifier_seq { $$ = pt_generate_node( type_specifier_seq_opt+1, "type_specifier_seq_opt", 1, $1 ); }
;
type_id_list_opt:
/* epsilon */ { $$ = NULL; }
| type_id_list { /* !Not 120++! */ $$ = pt_generate_node( type_id_list_opt+1, "type_id_list_opt", 1, $1 ); }
;
abstract_declarator_opt:
/* epsilon */ { $$ = NULL; }
| abstract_declarator { $$ = pt_generate_node( abstract_declarator_opt+1, "abstract_declarator_opt", 1, $1 ); }
;
direct_abstract_declarator_opt:
/* epsilon */ { $$ = NULL; }
| direct_abstract_declarator { $$ = pt_generate_node( direct_abstract_declarator_opt+1, "direct_abstract_declarator_opt", 1, $1 ); }
;
parameter_declaration_clause_opt:
/* epsilon */ { $$ = NULL; }
| parameter_declaration_clause { $$ = pt_generate_node( parameter_declaration_clause_opt+1, "parameter_declaration_clause_opt", 1, $1 ); }
;
enumerator_list_opt:
/* epsilon */ { $$ = NULL; }
| enumerator_list { /* !Not 120++! */ $$ = pt_generate_node( enumerator_list_opt+1, "enumerator_list_opt", 1, $1 ); }
;
member_specification_opt:
/* epsilon */ { $$ = NULL; }
| member_specification { $$ = pt_generate_node( member_specification_opt+1, "member_specification_opt", 1, $1 ); }
;
handler_seq_opt:
/* epsilon */ { $$ = NULL; }
| handler_seq { /* !Not 120++! */ $$ = pt_generate_node( handler_seq_opt+1, "handler_seq_opt", 1, $1 ); }
;
conversion_declarator_opt:
/* epsilon */ { $$ = NULL; }
| conversion_declarator { /* !Not 120++! */ $$ = pt_generate_node( conversion_declarator_opt+1, "conversion_declarator_opt", 1, $1 ); }
;
EXPORT_opt:
/* epsilon */ { $$ = NULL; }
| EXPORT { /* !Not 120++! */ $$ = $1; }
;
COMMA_opt:
/* epsilon */ { $$ = NULL; }
| ',' { $$ = $1; }
;
COLONCOLON_opt:
/* epsilon */ { $$ = NULL; }
| COLONCOLON { /* !Not 120++! */ $$ = $1; }
;
SEMICOLON_opt:
/* epsilon */ { $$ = NULL; }
| ';' { $$ = $1; }
;
/*----------------------------------------------------------------------
* Expressions.
*----------------------------------------------------------------------*/
primary_expression:
literal { $$ = $1; }
| THIS { $$ = $1; }
| '(' expression_list ')' { $$ = $1; }
| id_expression { $$ = $1; }
;
id_expression:
unqualified_id { $$ = pt_generate_node( id_expression+1, "id_expression_1", 1, $1 ); }
| qualified_id { $$ = $1; }
;
unqualified_id:
identifier { $$ = pt_generate_node( unqualified_id+1, "unqualified_id_1", 1, $1 ); }
| operator_function_id { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| conversion_function_id { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| '~' class_name { /* !Not 120++! */ handle_parse_warning( "Class destructor operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( unqualified_id+4, "unqualified_id_4", 2, $1, $2 ); }
;
qualified_id:
nested_name_specifier unqualified_id { $$ = pt_generate_node( qualified_id+1, "qualified_id_1", 2, $1, $2 ); }
| nested_name_specifier TEMPLATE unqualified_id { /* !Not 120++! */ handle_parse_warning( "Templates are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( qualified_id+2, "qualified_id_2", 3, $1, $2, $3 ); }
;
nested_name_specifier:
class_name COLONCOLON nested_name_specifier { $$ = pt_generate_node( nested_name_specifier+1, "nested_name_specifier_1", 3, $1, $2, $3 ); }
| namespace_name COLONCOLON nested_name_specifier { $$ = pt_generate_node( nested_name_specifier+2, "nested_name_specifier_2", 3, $1, $2, $3 ); }
| class_name COLONCOLON { $$ = pt_generate_node( nested_name_specifier+3, "nested_name_specifier_3", 2, $1, $2 ); }
| namespace_name COLONCOLON { $$ = pt_generate_node( nested_name_specifier+4, "nested_name_specifier_4", 2, $1, $2 ); }
;
postfix_expression:
primary_expression { $$ = $1; }
| postfix_expression '[' expression_list ']' { $$ = pt_generate_node( postfix_expression+2, "postfix_expression_2", 4, $1, $2, $3, $4 ); }
| postfix_expression '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+3, "postfix_expression_3", 4, $1, $2, $3, $4 ); }
| BOOL '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+4, "postfix_expression_4", 4, $1, $2, $3, $4 ); }
| CHAR '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+5, "postfix_expression_5", 4, $1, $2, $3, $4 ); }
| SHORT '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+6, "postfix_expression_6", 4, $1, $2, $3, $4 ); }
| INT '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+7, "postfix_expression_7", 4, $1, $2, $3, $4 ); }
| LONG '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+8, "postfix_expression_8", 4, $1, $2, $3, $4 ); }
| DOUBLE '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+9, "postfix_expression_9", 4, $1, $2, $3, $4 ); }
| FLOAT '(' expression_list_opt ')' { $$ = pt_generate_node( postfix_expression+10, "postfix_expression_10", 4, $1, $2, $3, $4 ); }
| postfix_expression '.' TEMPLATE COLONCOLON id_expression { /* !Not 120++! */ handle_parse_warning( "Templates are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+12, "postfix_expression_12", 5, $1, $2, $3, $4, $5 ); }
| postfix_expression '.' TEMPLATE id_expression { /* !Not 120++! */ handle_parse_warning( "Templates are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+13, "postfix_expression_13", 4, $1, $2, $3, $4 ); }
| postfix_expression '.' COLONCOLON id_expression { /* !Not 120++! */ handle_parse_warning( ":: is not a supported feature in this context in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+14, "postfix_expression_14", 4, $1, $2, $3, $4 ); }
| postfix_expression '.' id_expression { $$ = pt_generate_node( postfix_expression+15, "postfix_expression_15", 3, $1, $2, $3 ); }
| postfix_expression ARROW TEMPLATE COLONCOLON id_expression { /* !Not 120++! */ handle_parse_warning( "Templates are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+16, "postfix_expression_16", 5, $1, $2, $3, $4, $5 ); }
| postfix_expression ARROW TEMPLATE id_expression { /* !Not 120++! */ handle_parse_warning( "Templates are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+17, "postfix_expression_17", 4, $1, $2, $3, $4 ); }
| postfix_expression ARROW COLONCOLON id_expression { /* !Not 120++! */ handle_parse_warning( ":: is not a supported feature in this context in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+18, "postfix_expression_18", 4, $1, $2, $3, $4 ); }
| postfix_expression ARROW id_expression { $$ = pt_generate_node( postfix_expression+19, "postfix_expression_19", 3, $1, $2, $3 ); }
| postfix_expression PLUSPLUS { $$ = pt_generate_node( postfix_expression+20, "postfix_expression_20", 2, $1, $2 ); }
| postfix_expression MINUSMINUS { $$ = pt_generate_node( postfix_expression+21, "postfix_expression_21", 2, $1, $2 ); }
| DYNAMIC_CAST '<' type_id '>' '(' expression_list ')' { /* !Not 120++! */ handle_parse_warning( "dynamic_cast is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+22, "postfix_expression_22", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| STATIC_CAST '<' type_id '>' '(' expression_list ')' { /* !Not 120++! */ handle_parse_warning( "static_cast is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+23, "postfix_expression_23", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| REINTERPRET_CAST '<' type_id '>' '(' expression_list ')' { /* !Not 120++! */ handle_parse_warning( "reinterpret_cast is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+24, "postfix_expression_24", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| CONST_CAST '<' type_id '>' '(' expression_list ')' { /* !Not 120++! */ handle_parse_warning( "const_cast is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+25, "postfix_expression_25", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| TYPEID '(' expression_list ')' { /* !Not 120++! */ handle_parse_warning( "typeid is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+26, "postfix_expression_26", 4, $1, $2, $3, $4 ); }
| TYPEID '(' type_id ')' { /* !Not 120++! */ handle_parse_warning( "typeid is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( postfix_expression+27, "postfix_expression_27", 4, $1, $2, $3, $4 ); }
;
unary_expression:
postfix_expression { $$ = $1; }
| PLUSPLUS cast_expression { $$ = pt_generate_node( unary_expression+2, "unary_expression_2", 2, $1, $2 ); }
| MINUSMINUS cast_expression { $$ = pt_generate_node( unary_expression+3, "unary_expression_3", 2, $1, $2 ); }
| '*' cast_expression { $$ = pt_generate_node( unary_expression+4, "unary_expression_4", 2, $1, $2 ); }
| '&' cast_expression { $$ = pt_generate_node( unary_expression+5, "unary_expression_5", 2, $1, $2 ); }
| unary_operator cast_expression { $$ = pt_generate_node( unary_expression+6, "unary_expression_6", 2, $1, $2 ); }
| SIZEOF unary_expression { $$ = pt_generate_node( unary_expression+7, "unary_expression_7", 2, $1, $2 ); }
| SIZEOF '(' type_id ')' { $$ = pt_generate_node( unary_expression+8, "unary_expression_8", 4, $1, $2, $3, $4 ); }
| new_expression { $$ = $1; }
| delete_expression { $$ = $1; }
;
unary_operator:
'+' { yylval->production = unary_operator+1; $$ = $1; }
| '-' { yylval->production = unary_operator+2; $$ = $1; }
| '!' { yylval->production = unary_operator+3; $$ = $1; }
| '~' { yylval->production = unary_operator+4; $$ = $1; }
;
new_expression:
NEW new_placement_opt new_type_id new_initializer_opt { $$ = pt_generate_node( new_expression+1, "new_expression_1", 4, $1, $2, $3, $4 ); }
| COLONCOLON NEW new_placement_opt new_type_id new_initializer_opt { /* !Not 120++! */ handle_parse_warning( "This usage of new is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( new_expression+2, "new_expression_2", 5, $1, $2, $3, $4, $5 ); }
| NEW new_placement_opt '(' type_id ')' new_initializer_opt { $$ = pt_generate_node( new_expression+3, "new_expression_3", 6, $1, $2, $3, $4, $5, $6 ); }
| COLONCOLON NEW new_placement_opt '(' type_id ')' new_initializer_opt { /* !Not 120++! */ handle_parse_warning( "This usage of new is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( new_expression+4, "new_expression_4", 7, $1, $2, $3, $4, $5, $6, $7 ); }
;
new_placement:
'(' expression_list ')' { $$ = pt_generate_node( new_placement, "new_placement", 3, $1, $2, $3 ); }
;
new_type_id:
type_specifier_seq new_declarator_opt { $$ = pt_generate_node( new_type_id, "new_type_id", 2, $1, $2 ); }
;
new_declarator:
ptr_operator new_declarator_opt { $$ = pt_generate_node( new_declarator+1, "new_declarator_1", 2, $1, $2 ); }
| direct_new_declarator { /* ?Not 120++? */ $$ = $1; }
;
direct_new_declarator:
'[' expression_list ']' { /* ?Not 120++? */ /* Warned above */ $$ = pt_generate_node( direct_new_declarator+1, "direct_new_declarator_1", 3, $1, $2, $3 ); }
| direct_new_declarator '[' constant_expression ']' { /* ?Not 120++? */ /* Warned above */ $$ = pt_generate_node( direct_new_declarator+2, "direct_new_declarator_2", 4, $1, $2, $3, $4 ); }
;
new_initializer:
'(' expression_list_opt ')' { $$ = pt_generate_node( new_initializer, "new_initializer", 3, $1, $2, $3 ); }
;
delete_expression:
DELETE cast_expression { $$ = pt_generate_node( delete_expression+1, "delete_expression_1", 2, $1, $2 ); }
| COLONCOLON DELETE cast_expression { /* !Not 120++! */ handle_parse_warning( "This usage of delete is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( delete_expression+2, "delete_expression_2", 3, $1, $2, $3 ); }
| DELETE '[' ']' cast_expression { $$ = pt_generate_node( delete_expression+3, "delete_expression_3", 4, $1, $2, $3, $4 ); }
| COLONCOLON DELETE '[' ']' cast_expression { /* !Not 120++! */ handle_parse_warning( "This usage of delete is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( delete_expression+4, "delete_expression_4", 5, $1, $2, $3, $4, $5 ); }
;
cast_expression:
unary_expression { $$ = $1; }
| '(' type_id ')' cast_expression { $$ = pt_generate_node( cast_expression+2, "cast_expression_2", 4, $1, $2, $3, $4 ); }
;
pm_expression:
cast_expression { $$ = $1; }
| pm_expression DOTSTAR cast_expression { /* !Not 120++! */ handle_parse_warning( "Pointer-to-member operators are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( pm_expression+2, "pm_expression_2", 3, $1, $2, $3 ); }
| pm_expression ARROWSTAR cast_expression { /* !Not 120++! */ handle_parse_warning( "Pointer-to-member operators are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( pm_expression+3, "pm_expression_3", 3, $1, $2, $3 ); }
;
multiplicative_expression:
pm_expression { $$ = $1; }
| multiplicative_expression '*' pm_expression { $$ = pt_generate_node( multiplicative_expression+2, "multiplicative_expression_2", 3, $1, $2, $3 ); }
| multiplicative_expression '/' pm_expression { $$ = pt_generate_node( multiplicative_expression+3, "multiplicative_expression_3", 3, $1, $2, $3 ); }
| multiplicative_expression '%' pm_expression { $$ = pt_generate_node( multiplicative_expression+4, "multiplicative_expression_4", 3, $1, $2, $3 ); }
;
additive_expression:
multiplicative_expression { $$ = $1; }
| additive_expression '+' multiplicative_expression { $$ = pt_generate_node( additive_expression+2, "additive_expression_2", 3, $1, $2, $3 ); }
| additive_expression '-' multiplicative_expression { $$ = pt_generate_node( additive_expression+3, "additive_expression_3", 3, $1, $2, $3 ); }
;
shift_expression:
additive_expression { $$ = $1; }
| shift_expression SL additive_expression { /* !Not 120++! */ /* Might be overloaded for cout, but still warned */ handle_parse_warning( "Shift operators are not supported in 120++ specs. (If using them as the stream operator for cout, ignore this warning.)", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( shift_expression+2, "shift_expression_2", 3, $1, $2, $3 ); }
| shift_expression SR additive_expression { /* !Not 120++! */ /* Might be overloaded for cin, but still warned */ handle_parse_warning( "Shift operators are not supported in 120++ specs. (If using them as the stream operator for cin, ignore this warning.)", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( shift_expression+3, "shift_expression_3", 3, $1, $2, $3 ); }
;
relational_expression:
shift_expression { $$ = $1; }
| relational_expression '<' shift_expression { $$ = pt_generate_node( relational_expression+2, "relational_expression_2", 3, $1, $2, $3 ); }
| relational_expression '>' shift_expression { $$ = pt_generate_node( relational_expression+3, "relational_expression_3", 3, $1, $2, $3 ); }
| relational_expression LTEQ shift_expression { $$ = pt_generate_node( relational_expression+4, "relational_expression_4", 3, $1, $2, $3 ); }
| relational_expression GTEQ shift_expression { $$ = pt_generate_node( relational_expression+5, "relational_expression_5", 3, $1, $2, $3 ); }
;
equality_expression:
relational_expression { $$ = $1; }
| equality_expression EQ relational_expression { $$ = pt_generate_node( equality_expression+2, "equality_expression_2", 3, $1, $2, $3 ); }
| equality_expression NOTEQ relational_expression { $$ = pt_generate_node( equality_expression+3, "equality_expression_3", 3, $1, $2, $3 ); }
;
and_expression:
equality_expression { $$ = $1; }
| and_expression '&' equality_expression { /* !Not 120++! */ handle_parse_warning( "Bitwise operators are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( and_expression+2, "and_expression_2", 3, $1, $2, $3 ); }
;
exclusive_or_expression:
and_expression { $$ = $1; }
| exclusive_or_expression '^' and_expression { /* !Not 120++! */ handle_parse_warning( "Bitwise operators are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( exclusive_or_expression+2, "exclusive_or_expression_2", 3, $1, $2, $3 ); }
;
inclusive_or_expression:
exclusive_or_expression { $$ = $1; }
| inclusive_or_expression '|' exclusive_or_expression { /* !Not 120++! */ handle_parse_warning( "Bitwise operators are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( inclusive_or_expression+2, "inclusive_or_expression_2", 3, $1, $2, $3 ); }
;
logical_and_expression:
inclusive_or_expression { $$ = $1; }
| logical_and_expression ANDAND inclusive_or_expression { $$ = pt_generate_node( logical_and_expression+2, "logical_and_expression_2", 3, $1, $2, $3 ); }
;
logical_or_expression:
logical_and_expression { $$ = $1; }
| logical_or_expression OROR logical_and_expression { $$ = pt_generate_node( logical_or_expression+2, "logical_or_expression_2", 3, $1, $2, $3 ); }
;
conditional_expression:
logical_or_expression { $$ = $1; }
| logical_or_expression '?' expression_list ':' assignment_expression { $$ = pt_generate_node( conditional_expression+2, "conditional_expression_2", 5, $1, $2, $3, $4, $5 ); }
;
constant_expression:
conditional_expression { $$ = $1; }
;
assignment_expression:
conditional_expression { $$ = $1; }
| logical_or_expression assignment_operator assignment_expression { $$ = pt_generate_node( assignment_expression+2, "assignment_expression_2", 3, $1, $2, $3 ); }
| throw_expression { /* !Not 120++! */ /* Warned below */ $$ = $1; }
;
assignment_operator:
'=' { yylval->production = assignment_operator+1; $$ = $1; }
| MULEQ { yylval->production = assignment_operator+2; $$ = $1; }
| DIVEQ { yylval->production = assignment_operator+3; $$ = $1; }
| MODEQ { yylval->production = assignment_operator+4; $$ = $1; }
| ADDEQ { yylval->production = assignment_operator+5; $$ = $1; }
| SUBEQ { yylval->production = assignment_operator+6; $$ = $1; }
| SREQ { /* !Not 120++! */ handle_parse_warning( "Operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = assignment_operator+7; $$ = $1; }
| SLEQ { /* !Not 120++! */ handle_parse_warning( "Operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = assignment_operator+8; $$ = $1; }
| ANDEQ { /* !Not 120++! */ handle_parse_warning( "Operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = assignment_operator+9; $$ = $1; }
| XOREQ { /* !Not 120++! */ handle_parse_warning( "Operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = assignment_operator+10; $$ = $1; }
| OREQ { /* !Not 120++! */ handle_parse_warning( "Operator is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = assignment_operator+11; $$ = $1; }
;
expression_list:
assignment_expression { $$ = $1; }
| expression_list ',' assignment_expression { $$ = pt_generate_node( expression_list+2, "expression_list_2", 3, $1, $2, $3 ); }
;
/*----------------------------------------------------------------------
* Statements.
*----------------------------------------------------------------------*/
statement:
labeled_statement { $$ = $1; }
| expression_statement { $$ = $1; }
| compound_statement { $$ = $1; }
| selection_statement { $$ = $1; }
| iteration_statement { $$ = $1; }
| jump_statement { $$ = $1; }
| declaration_statement { $$ = $1; }
| try_block { /* !Not 120++! */ /* Warned below */ $$ = $1; }
;
labeled_statement:
identifier ':' statement { /* !Not 120++! */ handle_parse_warning( "This labeled statement syntax is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( labeled_statement+1, "labeled_statement_1", 3, $1, $2, $3 ); }
| CASE constant_expression ':' statement { $$ = pt_generate_node( labeled_statement+2, "labeled_statement_2", 4, $1, $2, $3, $4 ); }
| DEFAULT ':' statement { $$ = pt_generate_node( labeled_statement+3, "labeled_statement_3", 3, $1, $2, $3 ); }
;
expression_statement:
expression_list_opt ';' { $$ = pt_generate_node( expression_statement, "expression_statement", 2, $1, $2 ); }
;
compound_statement:
'{' statement_seq_opt '}' { $$ = pt_generate_node( compound_statement, "compound_statement", 3, $1, $2, $3 ); }
;
statement_seq:
statement { $$ = $1; }
| statement_seq statement { $$ = pt_generate_node( statement_seq+2, "statement_seq_2", 2, $1, $2 ); }
;
selection_statement:
IF '(' condition ')' statement { $$ = pt_generate_node( selection_statement+1, "selection_statement_1", 5, $1, $2, $3, $4, $5 ); }
| IF '(' condition ')' statement ELSE statement { $$ = pt_generate_node( selection_statement+2, "selection_statement_2", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| SWITCH '(' condition ')' statement { $$ = pt_generate_node( selection_statement+3, "selection_statement_3", 5, $1, $2, $3, $4, $5 ); }
;
condition:
expression_list { $$ = $1; }
| type_specifier_seq declarator '=' assignment_expression { $$ = pt_generate_node( condition+2, "condition_2", 4, $1, $2, $3, $4 ); }
;
iteration_statement:
WHILE '(' condition ')' statement { $$ = pt_generate_node( iteration_statement+1, "iteration_statement_1", 5, $1, $2, $3, $4, $5 ); }
| DO statement WHILE '(' expression_list ')' ';' { $$ = pt_generate_node( iteration_statement+2, "iteration_statement_2", 7, $1, $2, $3, $4, $5, $6, $7 ); }
| FOR '(' for_init_statement condition_opt ';' expression_list_opt ')' statement { $$ = pt_generate_node( iteration_statement+3, "iteration_statement_3", 8, $1, $2, $3, $4, $5, $6, $7, $8 ); }
;
for_init_statement:
expression_statement { $$ = $1; }
| simple_declaration { $$ = $1; }
;
jump_statement:
BREAK ';' { $$ = pt_generate_node( jump_statement+1, "jump_statement_1", 2, $1, $2 ); }
| CONTINUE ';' { $$ = pt_generate_node( jump_statement+2, "jump_statement_2", 2, $1, $2 ); }
| RETURN expression_list_opt ';' { $$ = pt_generate_node( jump_statement+3, "jump_statement_3", 3, $1, $2, $3 ); }
| GOTO identifier ';' { /* !Not 120++! */ handle_parse_warning( "goto is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( jump_statement+4, "jump_statement_4", 3, $1, $2, $3 ); }
;
declaration_statement:
block_declaration { $$ = $1; }
;
/*----------------------------------------------------------------------
* Declarations.
*----------------------------------------------------------------------*/
declaration_seq:
declaration { $$ = $1; }
| declaration_seq declaration { $$ = pt_generate_node( declaration_seq+2, "declaration_seq_2", 2, $1, $2 ); }
;
declaration:
block_declaration { $$ = $1; }
| function_definition { $$ = pt_generate_node( declaration+2, "declaration_2", 1, $1 ); }
| template_declaration { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( declaration+3, "declaration_3", 1, $1 ); }
| explicit_instantiation { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| explicit_specialization { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| linkage_specification { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| namespace_definition { /* !Not 120++! */ /* Warned below */ $$ = $1; }
;
block_declaration:
simple_declaration { $$ = $1; }
| asm_definition { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| namespace_alias_definition { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| using_declaration { /* !Not 120++! */ handle_parse_warning( "This usage of using is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = $1; }
| using_directive { $$ = pt_generate_node( block_declaration+5, "block_declaration_5", 1, $1 ); }
;
simple_declaration:
decl_specifier_seq init_declarator_list ';' { $$ = pt_generate_node( simple_declaration+1, "simple_declaration_1", 3, $1, $2, $3 ); }
| decl_specifier_seq ';' { $$ = pt_generate_node( simple_declaration+2, "simple_declaration_2", 2, $1, $2 ); }
;
decl_specifier:
storage_class_specifier { /* !Not 120++! */ /* Warned below */ $$ = $1; }
| type_specifier { $$ = pt_generate_node( decl_specifier+2, "decl_specifier_2", 1, $1 ); }
| function_specifier { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( decl_specifier+3, "decl_specifier_3", 1, $1 ); }
| FRIEND { /* !Not 120++! */ handle_parse_warning( "friend is not supported in 120++ specs.", W_PARSE_UNHANDLED ); yylval->production = decl_specifier+4; $$ = NULL; }
| TYPEDEF { /* !Not 120++! */ handle_parse_warning( "typedef is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = decl_specifier+5; $$ = $1; }
;
decl_specifier_seq:
decl_specifier { $$ = $1; }
| decl_specifier_seq decl_specifier { $$ = pt_generate_node( decl_specifier_seq+2, "decl_specifier_seq_2", 2, $1, $2 ); }
;
storage_class_specifier:
AUTO { /* !Not 120++! */ handle_parse_warning( "auto is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = storage_class_specifier+1; $$ = $1; }
| REGISTER { /* !Not 120++! */ handle_parse_warning( "register is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = storage_class_specifier+2; $$ = $1; }
| STATIC { /* !Not 120++! */ handle_parse_warning( "static is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = storage_class_specifier+3; $$ = $1; }
| EXTERN { /* !Not 120++! */ handle_parse_warning( "extern is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = storage_class_specifier+4; $$ = $1; }
| MUTABLE { /* !Not 120++! */ handle_parse_warning( "mutable is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = storage_class_specifier+5; $$ = $1; }
;
function_specifier:
INLINE { /* !Not 120++! */ handle_parse_warning( "inline is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = function_specifier+1; $$ = $1; }
| VIRTUAL { /* !Not 120++! */ handle_parse_warning( "virtual is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = function_specifier+2; $$ = $1; }
| EXPLICIT { /* !Not 120++! */ handle_parse_warning( "explicit is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = function_specifier+3; $$ = $1; }
;
type_specifier:
simple_type_specifier { $$ = pt_generate_node( type_specifier+1, "type_specifier_1", 1, $1 ); }
| class_specifier { $$ = pt_generate_node( type_specifier+2, "type_specifier_2", 1, $1 ); }
| enum_specifier { /* !Not 120++! */ handle_parse_warning( "enum is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( type_specifier+3, "type_specifier_3", 1, $1 ); }
| elaborated_type_specifier { /* !Not 120++! */ handle_parse_warning( "Elaborated type specifiers are not supported in 120++ specs.", W_PARSE_UNHANDLED ); $$ = NULL; }
| cv_qualifier { $$ = pt_generate_node( type_specifier+5, "type_specifier_5", 1, $1 ); }
;
simple_type_specifier:
type_name { $$ = $1; }
| nested_name_specifier type_name { $$ = pt_generate_node( simple_type_specifier+2, "simple_type_specifier_2", 2, $1, $2 ); }
| COLONCOLON nested_name_specifier_opt type_name { $$ = pt_generate_node( simple_type_specifier+3, "simple_type_specifier_3", 3, $1, $2, $3 ); }
| VOID { yylval->production = simple_type_specifier+4; $$ = $1; }
| BOOL { yylval->production = simple_type_specifier+5; $$ = $1; }
| CHAR { yylval->production = simple_type_specifier+6; $$ = $1; }
| CHAR16_T { /* !Not 120++! */ handle_parse_warning( "char16_t is not supported in 120++ specs.", W_PARSE_UNSUPPORTED );yylval->production = simple_type_specifier+7; $$ = $1; }
| CHAR32_T { /* !Not 120++! */ handle_parse_warning( "char32_t is not supported in 120++ specs.", W_PARSE_UNSUPPORTED );yylval->production = simple_type_specifier+8; $$ = $1; }
| WCHAR_T { /* !Not 120++! */ handle_parse_warning( "wchar_t is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = simple_type_specifier+9; $$ = $1; }
| SHORT { yylval->production = simple_type_specifier+10; $$ = $1; }
| INT { yylval->production = simple_type_specifier+11; $$ = $1; }
| LONG { yylval->production = simple_type_specifier+12; $$ = $1; }
| FLOAT { yylval->production = simple_type_specifier+13; $$ = $1; }
| DOUBLE { yylval->production = simple_type_specifier+14; $$ = $1; }
| SIGNED { yylval->production = simple_type_specifier+15; $$ = $1; }
| UNSIGNED { yylval->production = simple_type_specifier+16; $$ = $1; }
;
type_name:
class_name { $$ = pt_generate_node( type_name+1, "type_name_1", 1, $1 ); }
| enum_name { $$ = pt_generate_node( type_name+2, "type_name_2", 1, $1 ); }
| typedef_name { $$ = pt_generate_node( type_name+3, "type_name_3", 1, $1 ); }
;
elaborated_type_specifier:
class_key COLONCOLON nested_name_specifier identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+1, "elaborated_type_specifier_1", 4, $1, $2, $3, $4 ); }
| class_key COLONCOLON identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+2, "elaborated_type_specifier_2", 3, $1, $2, $3 ); }
| ENUM COLONCOLON nested_name_specifier identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+3, "elaborated_type_specifier_3", 4, $1, $2, $3, $4 ); }
| ENUM COLONCOLON identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+4, "elaborated_type_specifier_4", 3, $1, $2, $3 ); }
| ENUM nested_name_specifier identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+5, "elaborated_type_specifier_5", 3, $1, $2, $3 ); }
| TYPENAME COLONCOLON_opt nested_name_specifier identifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( elaborated_type_specifier+6, "elaborated_type_specifier_6", 4, $1, $2, $3, $4 ); }
| TYPENAME COLONCOLON_opt nested_name_specifier identifier '<' template_argument_list '>' { /* !Not 120++! */ /* Warned above */ handle_parse_warning( "Template features are not supported in 120++ specs.", W_PARSE_UNHANDLED ); $$ = pt_generate_node( elaborated_type_specifier+7, "elaborated_type_specifier_7", 7, $1, $2, $3, $4, $5, $6, $7 ); }
;
enum_specifier:
ENUM identifier '{' enumerator_list_opt '}' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( enum_specifier, "enum_specifier", 5, $1, $2, $3, $4, $5 ); }
;
enumerator_list:
enumerator_definition { /* !Not 120++! */ /* Warned above */ $$ = $1; }
| enumerator_list ',' enumerator_definition { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( enumerator_list+2, "enumerator_list_2", 3, $1, $2, $3 ); }
;
enumerator_definition:
enumerator { /* !Not 120++! */ /* Warned above */ $$ = $1; }
| enumerator '=' constant_expression { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( enumerator_definition+2, "enumerator_definition_2", 3, $1, $2, $3 ); }
;
enumerator:
identifier { /* !Not 120++! */ /* Warned above */ $$ = $1; }
;
namespace_definition:
named_namespace_definition { /* !Not 120++! */ handle_parse_warning( "Namespaces (except for std) are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( namespace_definition+1, "namespace_definition_1", 1, $1 ); }
| unnamed_namespace_definition { /* !Not 120++! */ handle_parse_warning( "Namespaces (except for std) are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( namespace_definition+2, "namespace_definition_2", 1, $1 ); }
;
named_namespace_definition:
original_namespace_definition { /* !Not 120++! */ /* Warned above */ $$ = $1; }
| extension_namespace_definition { /* !Not 120++! */ /* Warned above */ $$ = $1; }
;
original_namespace_definition:
NAMESPACE identifier '{' namespace_body '}' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( original_namespace_definition, "original_namespace_definition", 5, $1, $2, $3, $4, $5 ); }
;
extension_namespace_definition:
NAMESPACE original_namespace_name '{' namespace_body '}' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( extension_namespace_definition, "extension_namespace_definition", 5, $1, $2, $3, $4, $5 ); }
;
unnamed_namespace_definition:
NAMESPACE '{' namespace_body '}' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( unnamed_namespace_definition, "unnamed_namespace_definition", 4, $1, $2, $3, $4 ); }
;
namespace_body:
declaration_seq_opt { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( namespace_body, "namespace_body", 1, $1 ); }
;
namespace_alias_definition:
NAMESPACE identifier '=' qualified_namespace_specifier ';' { /* !Not 120++! */ handle_parse_warning( "Namespaces (except for std) are not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( namespace_alias_definition, "namespace_alias_definition", 5, $1, $2, $3, $4, $5 ); }
;
qualified_namespace_specifier:
COLONCOLON nested_name_specifier namespace_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( qualified_namespace_specifier+1, "qualified_namespace_specifier_1", 3, $1, $2, $3 ); }
| COLONCOLON namespace_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( qualified_namespace_specifier+2, "qualified_namespace_specifier_2", 2, $1, $2 ); }
| nested_name_specifier namespace_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( qualified_namespace_specifier+3, "qualified_namespace_specifier_3", 2, $1, $2 ); }
| namespace_name { /* !Not 120++! */ /* Warned above */ $$ = $1; }
;
using_declaration:
USING TYPENAME COLONCOLON nested_name_specifier unqualified_id ';' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( using_declaration+1, "using_declaration_1", 6, $1, $2, $3, $4, $5, $6 ); }
| USING TYPENAME nested_name_specifier unqualified_id ';' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( using_declaration+2, "using_declaration_2", 5, $1, $2, $3, $4, $5 ); }
| USING COLONCOLON nested_name_specifier unqualified_id ';' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( using_declaration+3, "using_declaration_3", 5, $1, $2, $3, $4, $5 ); }
| USING nested_name_specifier unqualified_id ';' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( using_declaration+4, "using_declaration_4", 4, $1, $2, $3, $4 ); }
| USING COLONCOLON unqualified_id ';' { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( using_declaration+5, "using_declaration_5", 4, $1, $2, $3, $4 ); }
;
using_directive:
USING NAMESPACE COLONCOLON nested_name_specifier namespace_name ';' { /* !Not 120++! */ handle_parse_warning( "This usage of using is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( using_directive+1, "using_directive_1", 6, $1, $2, $3, $4, $5, $6 ); }
| USING NAMESPACE COLONCOLON namespace_name ';' { /* !Not 120++! */ handle_parse_warning( "This usage of using is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( using_directive+2, "using_directive_2", 5, $1, $2, $3, $4, $5 ); }
| USING NAMESPACE nested_name_specifier namespace_name ';' { /* !Not 120++! */ handle_parse_warning( "This usage of using is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( using_directive+3, "using_directive_3", 5, $1, $2, $3, $4, $5 ); }
| USING NAMESPACE namespace_name ';' { handle_parse_warning( "120++ specs only support usage of the namespace std.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( using_directive+4, "using_directive_4", 4, $1, $2, $3, $4 ); }
;
asm_definition:
ASM '(' string_literal ')' ';' { /* !Not 120++! */ handle_parse_warning( "asm is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( asm_definition, "asm_definition", 5, $1, $2, $3, $4, $5 ); }
;
linkage_specification:
EXTERN string_literal '{' declaration_seq_opt '}' { /* !Not 120++! */ handle_parse_warning( "extern is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( linkage_specification+1, "linkage_specification_1", 5, $1, $2, $3, $4, $5 ); }
| EXTERN string_literal declaration { /* !Not 120++! */ handle_parse_warning( "extern is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( linkage_specification+2, "linkage_specification_2", 3, $1, $2, $3 ); }
;
/*----------------------------------------------------------------------
* Declarators.
*----------------------------------------------------------------------*/
init_declarator_list:
init_declarator { $$ = $1; }
| init_declarator_list ',' init_declarator { $$ = pt_generate_node( init_declarator_list+2, "init_declarator_list_2", 3, $1, $2, $3 ); }
;
init_declarator:
declarator initializer_opt { $$ = pt_generate_node( init_declarator, "init_declarator", 2, $1, $2 ); }
;
declarator:
direct_declarator { $$ = $1; }
| ptr_operator declarator { $$ = pt_generate_node( declarator+2, "declarator_2", 2, $1, $2 ); }
;
direct_declarator:
declarator_id { $$ = $1; }
| direct_declarator '(' parameter_declaration_clause_opt ')' cv_qualifier_seq exception_specification { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( direct_declarator+2, "direct_declarator_2", 6, $1, $2, $3, $4, $5, $6 ); }
| direct_declarator '(' parameter_declaration_clause_opt ')' cv_qualifier_seq { $$ = pt_generate_node( direct_declarator+3, "direct_declarator_3", 5, $1, $2, $3, $4, $5 ); }
| direct_declarator '(' parameter_declaration_clause_opt ')' exception_specification { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( direct_declarator+4, "direct_declarator_4", 5, $1, $2, $3, $4, $5 ); }
| direct_declarator '(' parameter_declaration_clause_opt ')' { $$ = pt_generate_node( direct_declarator+5, "direct_declarator_5", 4, $1, $2, $3, $4 ); }
| class_name '(' parameter_declaration_clause_opt ')' { $$ = pt_generate_node( direct_declarator+6, "direct_declarator_6", 4, $1, $2, $3, $4 ); }
| class_name COLONCOLON declarator_id '(' parameter_declaration_clause_opt ')' { $$ = pt_generate_node( direct_declarator+7, "direct_declarator_7", 6, $1, $2, $3, $4, $5, $6 ); }
| class_name COLONCOLON class_name '(' parameter_declaration_clause_opt ')' { $$ = pt_generate_node( direct_declarator+8, "direct_declarator_8", 6, $1, $2, $3, $4, $5, $6 ); }
| direct_declarator '[' constant_expression_opt ']' { $$ = pt_generate_node( direct_declarator+9, "direct_declarator_9", 4, $1, $2, $3, $4 ); }
| '(' declarator ')' { $$ = pt_generate_node( direct_declarator+10, "direct_declarator_10", 3, $1, $2, $3 ); }
;
ptr_operator:
'*' { $$ = pt_generate_node( ptr_operator+1, "ptr_operator_1", 1, $1 ); }
| '*' cv_qualifier_seq { $$ = pt_generate_node( ptr_operator+2, "ptr_operator_2", 2, $1, $2 ); }
| '&' { $$ = pt_generate_node( ptr_operator+3, "ptr_operator_3", 1, $1 ); }
| nested_name_specifier '*' { $$ = pt_generate_node( ptr_operator+4, "ptr_operator_4", 2, $1, $2 ); }
| nested_name_specifier '*' cv_qualifier_seq { $$ = pt_generate_node( ptr_operator+5, "ptr_operator_5", 3, $1, $2, $3 ); }
| COLONCOLON nested_name_specifier '*' { /* !Not 120++! */ handle_parse_warning( "This usage of :: is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( ptr_operator+6, "ptr_operator_6", 3, $1, $2, $3 ); }
| COLONCOLON nested_name_specifier '*' cv_qualifier_seq { /* !Not 120++! */ handle_parse_warning( "This usage of :: is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( ptr_operator+7, "ptr_operator_7", 4, $1, $2, $3, $4 ); }
;
cv_qualifier_seq:
cv_qualifier { $$ = $1; }
| cv_qualifier cv_qualifier_seq { $$ = pt_generate_node( cv_qualifier_seq+2, "cv_qualifier_seq_2", 2, $1, $2 ); }
;
cv_qualifier:
CONST { yylval->production = cv_qualifier+1; $$ = $1; }
| VOLATILE { /* !Not 120++! */ handle_parse_warning( "volatile is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = cv_qualifier+2; $$ = $1; }
;
declarator_id:
id_expression { $$ = $1; }
| COLONCOLON id_expression { /* !Not 120++! */ handle_parse_warning( "This usage of :: is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( declarator_id+2, "declarator_id_2", 2, $1, $2 ); }
| COLONCOLON nested_name_specifier type_name { /* !Not 120++! */ $$ = pt_generate_node( declarator_id+3, "declarator_id_3", 3, $1, $2, $3 ); }
| COLONCOLON type_name { /* !Not 120++! */ handle_parse_warning( "This usage of :: is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( declarator_id+4, "declarator_id_4", 2, $1, $2 ); }
;
type_id:
type_specifier_seq abstract_declarator_opt { $$ = $1; }
;
type_specifier_seq:
type_specifier type_specifier_seq_opt { $$ = pt_generate_node( type_specifier_seq, "type_specifier_seq", 2, $1, $2 ); }
;
abstract_declarator:
ptr_operator abstract_declarator_opt { $$ = pt_generate_node( abstract_declarator+1, "abstract_declarator_1", 2, $1, $2 ); }
| direct_abstract_declarator { $$ = pt_generate_node( abstract_declarator+2, "abstract_declarator_2", 1, $1 ); }
;
direct_abstract_declarator:
direct_abstract_declarator_opt '(' parameter_declaration_clause_opt ')' cv_qualifier_seq exception_specification { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( direct_abstract_declarator+1, "direct_abstract_declarator_1", 6, $1, $2, $3, $4, $5, $6 ); }
| direct_abstract_declarator_opt '(' parameter_declaration_clause_opt ')' cv_qualifier_seq { $$ = pt_generate_node( direct_abstract_declarator+2, "direct_abstract_declarator_2", 5, $1, $2, $3, $4, $5 ); }
| direct_abstract_declarator_opt '(' parameter_declaration_clause_opt ')' exception_specification { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( direct_abstract_declarator+3, "direct_abstract_declarator_3", 5, $1, $2, $3, $4, $5 ); }
| direct_abstract_declarator_opt '(' parameter_declaration_clause_opt ')' { $$ = pt_generate_node( direct_abstract_declarator+4, "direct_abstract_declarator_4", 4, $1, $2, $3, $4 ); }
| direct_abstract_declarator_opt '[' constant_expression_opt ']' { $$ = pt_generate_node( direct_abstract_declarator+5, "direct_abstract_declarator_5", 4, $1, $2, $3, $4 ); }
| '(' abstract_declarator ')' { $$ = pt_generate_node( direct_abstract_declarator+6, "direct_abstract_declarator_6", 3, $1, $2, $3 ); }
;
parameter_declaration_clause:
parameter_declaration_list ELLIPSIS { /* !Not 120++! */ handle_parse_warning( "Variable arguments (ellipsis) is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( parameter_declaration_clause+1, "parameter_declaration_clause_1", 2, $1, $2 ); }
| parameter_declaration_list ',' ELLIPSIS { /* !Not 120++! */ handle_parse_warning( "Variable arguments (ellipsis) is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( parameter_declaration_clause+2, "parameter_declaration_clause_2", 3, $1, $2, $3 ); }
| parameter_declaration_list { $$ = $1; }
| ELLIPSIS { /* !Not 120++! */ handle_parse_warning( "Variable arguments (ellipsis) is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = $1; }
;
parameter_declaration_list:
parameter_declaration { $$ = $1; }
| parameter_declaration_list ',' parameter_declaration { $$ = pt_generate_node( parameter_declaration_list+2, "parameter_declaration_list_2", 3, $1, $2, $3 ); }
;
parameter_declaration:
decl_specifier_seq declarator { $$ = pt_generate_node( parameter_declaration+1, "parameter_declaration_1", 2, $1, $2 ); }
| decl_specifier_seq declarator '=' assignment_expression { $$ = pt_generate_node( parameter_declaration+2, "parameter_declaration_2", 4, $1, $2, $3, $4 ); }
| decl_specifier_seq abstract_declarator_opt { $$ = pt_generate_node( parameter_declaration+3, "parameter_declaration_3", 2, $1, $2 ); }
| decl_specifier_seq abstract_declarator_opt '=' assignment_expression { $$ = pt_generate_node( parameter_declaration+4, "parameter_declaration_4", 4, $1, $2, $3, $4 ); }
;
function_definition:
declarator ctor_initializer_opt function_body { $$ = pt_generate_node( function_definition+1, "function_definition_1", 3, $1, $2, $3 ); }
| decl_specifier_seq declarator ctor_initializer_opt function_body { $$ = pt_generate_node( function_definition+2, "function_definition_2", 4, $1, $2, $3, $4 ); }
| declarator function_try_block { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( function_definition+3, "function_definition_3", 2, $1, $2 ); }
| decl_specifier_seq declarator function_try_block { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( function_definition+4, "function_definition_4", 3, $1, $2, $3 ); }
;
function_body:
compound_statement { $$ = pt_generate_node( function_body, "function_body", 1, $1 ); }
;
initializer:
'=' initializer_clause { $$ = pt_generate_node( initializer+1, "initializer_1", 2, $1, $2 ); }
| '(' expression_list ')' { $$ = pt_generate_node( initializer+2, "initializer_2", 3, $1, $2, $3 ); }
;
initializer_clause:
assignment_expression { $$ = pt_generate_node( initializer_clause+1, "initializer_clause_1", 1, $1 ); }
| '{' initializer_list COMMA_opt '}' { $$ = pt_generate_node( initializer_clause+2, "initializer_clause_2", 4, $1, $2, $3, $4 ); }
| '{' '}' { $$ = pt_generate_node( initializer_clause+3, "initializer_clause_3", 2, $1, $2 ); }
;
initializer_list:
initializer_clause { $$ = $1; }
| initializer_list ',' initializer_clause { $$ = pt_generate_node( initializer_list+2, "initializer_list_2", 3, $1, $2, $3 ); }
;
/*----------------------------------------------------------------------
* Classes.
*----------------------------------------------------------------------*/
class_specifier:
class_head '{' member_specification_opt '}' { $$ = pt_generate_node( class_specifier, "class_specifier", 4, $1, $2, $3, $4 ); }
;
class_head:
class_key identifier { $$ = pt_generate_node( class_head+1, "class_head_1", 2, $1, $2 ); }
| class_key identifier base_clause { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( class_head+2, "class_head_2", 3, $1, $2, $3 ); }
| class_key nested_name_specifier identifier { $$ = pt_generate_node( class_head+3, "class_head_3", 3, $1, $2, $3 ); }
| class_key nested_name_specifier identifier base_clause { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( class_head+4, "class_head_4", 4, $1, $2, $3, $4 ); }
;
class_key:
CLASS { yylval->production = class_key+1; $$ = $1; }
| STRUCT { yylval->production = class_key+2; $$ = $1; }
| UNION { yylval->production = class_key+3; $$ = $1; }
;
member_specification:
member_declaration member_specification_opt { $$ = pt_generate_node( member_specification+1, "member_specification_1", 2, $1, $2 ); }
| access_specifier ':' member_specification_opt { $$ = pt_generate_node( member_specification+2, "member_specification_2", 3, $1, $2, $3 ); }
;
member_declaration:
decl_specifier_seq member_declarator_list ';' { $$ = pt_generate_node( member_declaration+1, "member_declaration_1", 3, $1, $2, $3 ); }
| decl_specifier_seq ';' { $$ = pt_generate_node( member_declaration+2, "member_declaration_2", 2, $1, $2 ); }
| member_declarator_list ';' { $$ = pt_generate_node( member_declaration+3, "member_declaration_3", 2, $1, $2 ); }
| ';' { $$ = pt_generate_node( member_declaration+4, "member_declaration_4", 1, $1 ); }
| function_definition SEMICOLON_opt { $$ = pt_generate_node( member_declaration+5, "member_declaration_5", 2, $1, $2 ); }
| qualified_id ';' { $$ = pt_generate_node( member_declaration+6, "member_declaration_6", 2, $1, $2 ); }
| using_declaration { /* !Not 120++! */ handle_parse_warning( "This usage of using is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( member_declaration+7, "member_declaration_7", 1, $1 ); }
| template_declaration { /* !Not 120++! */ /* Warned below */ $$ = pt_generate_node( member_declaration+8, "member_declaration_8", 1, $1 ); }
;
member_declarator_list:
member_declarator { $$ = $1; }
| member_declarator_list ',' member_declarator { $$ = pt_generate_node( member_declarator_list+2, "member_declarator_list_2", 3, $1, $2, $3 ); }
;
member_declarator:
declarator { $$ = pt_generate_node( member_declarator+1, "member_declarator_1", 1, $1 ); }
| declarator pure_specifier { /* !Not 120++! */ handle_parse_warning( "Whatever a \"pure specifier\" is, it is not supported in 120++ specs.", W_PARSE_UNHANDLED ); $$ = pt_generate_node( member_declarator+2, "member_declarator_2", 2, $1, $2 ); }
| declarator constant_initializer { $$ = pt_generate_node( member_declarator+3, "member_declarator_3", 2, $1, $2 ); }
| identifier ':' constant_expression { /* !Not 120++! */ handle_parse_warning( "This member declarator syntax is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( member_declarator+4, "member_declarator_4", 3, $1, $2, $3 ); }
;
/*
* This rule needs a hack for working around the ``= 0'' pure specifier.
* 0 is returned as an ``INTEGER'' by the lexical analyzer,
* but in this context is different.
*/
pure_specifier:
'=' '0' { /* !Not 120++! */ $$ = NULL; }
;
constant_initializer:
'=' constant_expression { $$ = pt_generate_node( constant_initializer, "constant_initializer", 2, $1, $2 ); }
;
/*----------------------------------------------------------------------
* Derived classes.
*----------------------------------------------------------------------*/
base_clause:
':' base_specifier_list { /* !Not 120++! */ handle_parse_warning( "This class declaration syntax is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); $$ = pt_generate_node( base_clause, "base_clause", 2, $1, $2 ); }
;
base_specifier_list:
base_specifier { /* !Not 120++! */ /* Warned above */ $$ = $1; }
| base_specifier_list ',' base_specifier { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier_list+2, "base_specifier_list_2", 3, $1, $2, $3 ); }
;
base_specifier:
COLONCOLON nested_name_specifier class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+1, "base_specifier_1", 3, $1, $2, $3 ); }
| COLONCOLON class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+2, "base_specifier_2", 2, $1, $2 ); }
| nested_name_specifier class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+3, "base_specifier_3", 2, $1, $2 ); }
| class_name { /* !Not 120++! */ /* Warned above */ $$ = $1; }
| VIRTUAL access_specifier COLONCOLON nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+5, "base_specifier_5", 5, $1, $2, $3, $4, $5 ); }
| VIRTUAL access_specifier nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+6, "base_specifier_6", 4, $1, $2, $3, $4 ); }
| VIRTUAL COLONCOLON nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+7, "base_specifier_7", 4, $1, $2, $3, $4 ); }
| VIRTUAL nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+8, "base_specifier_8", 3, $1, $2, $3 ); }
| access_specifier VIRTUAL COLONCOLON nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+9, "base_specifier_9", 5, $1, $2, $3, $4, $5 ); }
| access_specifier VIRTUAL nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+10, "base_specifier_10", 4, $1, $2, $3, $4 ); }
| access_specifier COLONCOLON nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+11, "base_specifier_11", 4, $1, $2, $3, $4 ); }
| access_specifier nested_name_specifier_opt class_name { /* !Not 120++! */ /* Warned above */ $$ = pt_generate_node( base_specifier+12, "base_specifier_12", 3, $1, $2, $3 ); }
;
access_specifier:
PRIVATE { yylval->production = access_specifier+1; $$ = $1; }
| PROTECTED { /* !Not 120++! */ handle_parse_warning( "protected member access is not supported in 120++ specs.", W_PARSE_UNSUPPORTED ); yylval->production = access_specifier+2; $$ = $1; }
| PUBLIC { yylval->production = access_specifier+3; $$ = $1; }
;
/*----------------------------------------------------------------------