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gnuc_parser.yy
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gnuc_parser.yy
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/*
* Copyright (C) 2019 SUSE Software Solutions Germany GmbH
*
* This file is part of klp-ccp.
*
* klp-ccp is free software: you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* klp-ccp is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with klp-ccp. If not, see <https://www.gnu.org/licenses/>.
*/
%language "C++"
%skeleton "lalr1.cc"
%defines
%define api.namespace {klp::ccp::yy}
%define parser_class_name {gnuc_parser}
%name-prefix "pd."
%define api.location.type {pp_tokens_range}
%locations
%code requires {
#ifdef DEBUG_PARSER
#define YYDEBUG 1
#endif
#include "config.h"
#include "types.hh"
#include "ast.hh"
namespace klp {
namespace ccp
{
namespace yy
{
// Bison doesn't accept namespace specifications at
// %define api.location.type. Pull the type in.
typedef klp::ccp::pp_tokens_range pp_tokens_range;
class gnuc_parser_driver;
}
}
}
}
%code {
using namespace klp::ccp;
using namespace klp::ccp::ast;
#define YYLLOC_DEFAULT(Cur, Rhs, N) \
do { \
if (N) { \
Cur = pp_tokens_range{YYRHSLOC(Rhs, 1).begin, \
YYRHSLOC(Rhs, N).end}; \
} else { \
Cur = YYRHSLOC(Rhs, 0); \
} \
} while (0)
#include "gnuc_parser_driver.hh"
template<typename T>
static T* mv_p(T* &&p)
{
T *_p = nullptr;
std::swap(p, _p);
return _p;
}
#define MV_P(p) mv_p(std::move(p))
template <typename T>
static void empty(T* &value, klp::ccp::pp_tokens_range &loc)
{
value = nullptr;
loc.begin = loc.end;
}
static void empty(klp::ccp::pp_tokens_range &loc)
{
loc.begin = loc.end;
}
}
%parse-param {klp::ccp::yy::gnuc_parser_driver &pd}
%union {
klp::ccp::pp_token_index token_index;
klp::ccp::ast::assign_op assign_op;
klp::ccp::ast::binary_op binary_op;
klp::ccp::ast::unary_op_pre unary_op_pre;
klp::ccp::types::struct_or_union_kind struct_or_union_kind;
klp::ccp::types::ext_int_type::kind ext_int_kind;
klp::ccp::types::ext_float_type::kind ext_float_kind;
klp::ccp::ast::expr *expr;
klp::ccp::ast::offset_member_designator *offset_member_designator;
klp::ccp::ast::string_literal *string_literal;
klp::ccp::ast::generic_association_list *generic_association_list;
klp::ccp::ast::generic_association *generic_association;
klp::ccp::ast::expr_list *expr_list;
klp::ccp::ast::attribute *attribute;
klp::ccp::ast::attribute_list *attribute_list;
klp::ccp::ast::attribute_specifier *attribute_specifier;
klp::ccp::ast::attribute_specifier_list *attribute_specifier_list;
klp::ccp::ast::pointer *pointer;
klp::ccp::ast::direct_abstract_declarator *direct_abstract_declarator;
klp::ccp::ast::abstract_declarator *abstract_declarator;
klp::ccp::ast::type_name *type_name;
klp::ccp::ast::direct_declarator *direct_declarator;
klp::ccp::ast::declarator *declarator;
klp::ccp::ast::storage_class_specifier *storage_class_specifier;
klp::ccp::ast::type_qualifier *type_qualifier;
klp::ccp::ast::type_qualifier_list *type_qualifier_list;
klp::ccp::ast::type_specifier *type_specifier;
klp::ccp::ast::struct_declaration *struct_declaration;
klp::ccp::ast::struct_declarator *struct_declarator;
klp::ccp::ast::struct_declarator_list *struct_declarator_list;
klp::ccp::ast::unnamed_struct_or_union *unnamed_struct_or_union;
klp::ccp::ast::struct_declaration_list *struct_declaration_list;
klp::ccp::ast::enumerator *enumerator;
klp::ccp::ast::enumerator_list *enumerator_list;
klp::ccp::ast::function_specifier *function_specifier;
klp::ccp::ast::specifier_qualifier_list *specifier_qualifier_list;
klp::ccp::ast::declaration_specifiers *declaration_specifiers;
klp::ccp::ast::initializer *initializer;
klp::ccp::ast::initializer_list *initializer_list;
klp::ccp::ast::designator *designator;
klp::ccp::ast::designator_list *designator_list;
klp::ccp::ast::designation *designation;
klp::ccp::ast::asm_label *asm_label;
klp::ccp::ast::init_declarator *init_declarator;
klp::ccp::ast::init_declarator_list *init_declarator_list;
klp::ccp::ast::declaration *declaration;
klp::ccp::ast::static_assertion *static_assertion;
klp::ccp::ast::parameter_declaration *parameter_declaration;
klp::ccp::ast::parameter_declaration_list *parameter_declaration_list;
klp::ccp::ast::identifier_list *identifier_list;
klp::ccp::ast::declaration_list *declaration_list;
klp::ccp::ast::stmt *stmt;
klp::ccp::ast::stmt_compound *stmt_compound;
klp::ccp::ast::local_label_declaration *local_label_declaration;
klp::ccp::ast::local_label_declaration_list *local_label_declaration_list;
klp::ccp::ast::block_item *block_item;
klp::ccp::ast::block_item_list *block_item_list;
klp::ccp::ast::asm_directive *asm_directive;
klp::ccp::ast::asm_qualifier_list *asm_qualifier_list;
klp::ccp::ast::asm_operand_name *asm_operand_name;
klp::ccp::ast::asm_operand *asm_operand;
klp::ccp::ast::asm_operand_list *asm_operand_list;
klp::ccp::ast::asm_clobber_list *asm_clobber_list;
klp::ccp::ast::asm_jump_to_label_list *asm_jump_to_label_list;
klp::ccp::ast::function_definition *function_definition;
klp::ccp::ast::external_declaration *external_declaration;
klp::ccp::ast::translation_unit *translation_unit;
}
%destructor {} <token_index>
%destructor {} <assign_op>
%destructor {} <binary_op>
%destructor {} <unary_op_pre>
%destructor {} <struct_or_union_kind>
%destructor { $$.~kind(); } <ext_int_kind>
%destructor { $$.~kind(); } <ext_float_kind>
%destructor { delete $$; } <*>
/* keyword tokens */
%token TOK_KW_ASM
%token TOK_KW_TYPEDEF
%token TOK_KW_EXTERN
%token TOK_KW_STATIC
%token TOK_KW_AUTO
%token TOK_KW_REGISTER
%token TOK_KW_VOID
%token TOK_KW_CHAR
%token TOK_KW_SHORT
%token TOK_KW_INT
%token TOK_KW_LONG
%token TOK_KW_FLOAT
%token TOK_KW_DOUBLE
%token TOK_KW_SIGNED
%token TOK_KW_UNSIGNED
%token TOK_KW_BOOL
%token TOK_KW_COMPLEX
%token<ext_int_kind> TOK_KW_EXT_INT
%token<ext_float_kind> TOK_KW_EXT_FLOAT
%token TOK_KW_AUTO_TYPE
%token TOK_KW_STRUCT
%token TOK_KW_UNION
%token TOK_KW_ENUM
%token TOK_KW_CONST
%token TOK_KW_RESTRICT
%token TOK_KW_VOLATILE
%token TOK_KW_INLINE
%token TOK_KW_TYPEOF
%token TOK_KW_SIZEOF
%token TOK_KW_ALIGNOF
%token TOK_KW_GENERIC
%token TOK_KW_BUILTIN_CHOOSE_EXPR
%token TOK_KW_BUILTIN_OFFSETOF
%token TOK_KW_BUILTIN_TYPES_COMPATIBLE_P
%token TOK_KW_BUILTIN_VA_ARG
%token TOK_KW_ATTRIBUTE
%token TOK_KW_CASE
%token TOK_KW_DEFAULT
%token TOK_KW_LABEL
%token TOK_KW_IF
%token TOK_KW_ELSE
%token TOK_KW_SWITCH
%token TOK_KW_WHILE
%token TOK_KW_DO
%token TOK_KW_FOR
%token TOK_KW_GOTO
%token TOK_KW_CONTINUE
%token TOK_KW_BREAK
%token TOK_KW_RETURN
%token TOK_KW_STATIC_ASSERT
/* Preprocessor tokens. */
%token <token_index> TOK_STRING_LITERAL
%token <token_index> TOK_IDENTIFIER
%token <token_index> TOK_CONSTANT
/* Artificial token for an indentifier resolved to a typedef name. */
%token <token_index> TOK_TYPEDEF_IDENTIFIER
/* Punctuators which aren't necessarily operators. */
%token TOK_LPAREN
%token TOK_RPAREN
%token TOK_LBRACE
%token TOK_RBRACE
%token TOK_LBRACKET
%token TOK_RBRACKET
%token TOK_TRIPLE_DOT
%token TOK_DOT
%token TOK_COLON
%token TOK_SEMICOLON
%token TOK_COMMA
%token TOK_ASTERISK
%token TOK_EQ
/* Punctuators which are always operators. */
%token TOK_OP_ASSIGN_MUL
%token TOK_OP_ASSIGN_DIV
%token TOK_OP_ASSIGN_MOD
%token TOK_OP_ASSIGN_ADD
%token TOK_OP_ASSIGN_SUB
%token TOK_OP_ASSIGN_LSHIFT
%token TOK_OP_ASSIGN_RSHIFT
%token TOK_OP_ASSIGN_BIN_AND
%token TOK_OP_ASSIGN_BIN_XOR
%token TOK_OP_ASSIGN_BIN_OR
%token TOK_OP_LOGICAL_OR
%token TOK_OP_DOUBLE_AMPERSAND
%token TOK_OP_QUESTION_MARK
%token TOK_OP_DEREF_MEMBER
%token TOK_OP_INC
%token TOK_OP_DEC
%token TOK_OP_BIN_OR
%token TOK_OP_BIN_XOR
%token TOK_OP_REL_LT
%token TOK_OP_REL_GT
%token TOK_OP_REL_LEQ
%token TOK_OP_REL_GEQ
%token TOK_OP_EQ
%token TOK_OP_NEQ
%token TOK_OP_PLUS
%token TOK_OP_MINUS
%token TOK_OP_AMPERSAND
%token TOK_OP_DIV
%token TOK_OP_MODULO
%token TOK_OP_BIN_NEG
%token TOK_OP_LOGICAL_NOT
%token TOK_OP_LSHIFT
%token TOK_OP_RSHIFT
/* Define precedence in order to solve the dangling else problem */
%nonassoc TOK_KW_IF
%nonassoc TOK_KW_ELSE
/*
* Define precedence for resolving a shift/reduce conflict where an
* attribute follows the closing brace of a struct, union or enum
* declaration: this clashes with the declaration_specifiers
* production also allowing for attributes.
*/
%nonassoc TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
%nonassoc TOK_KW_ATTRIBUTE
%type <translation_unit> translation_unit
%type <external_declaration> external_declaration
%type <function_definition> function_definition
%type <function_definition> function_definition_ext
%type <stmt_compound> function_definition_body
%type <declaration> declaration
%type <declaration> declaration_ext
%type <declaration_specifiers> declaration_specifiers_no_ts_opt
%type <declaration_specifiers> declaration_specifiers_no_ts
%type <declaration_specifiers> declaration_specifiers_w_non_att_no_ts
%type <declaration_specifiers> declaration_specifiers_ts_no_tdid
%type <declaration_specifiers> declaration_specifiers_ts
%type <declaration_specifiers> auto_type_declaration_specifiers
%type <storage_class_specifier> storage_class_specifier
%type <type_specifier> type_specifier_no_tdid
%type <type_qualifier> type_qualifier
%type <function_specifier> function_specifier
%type <attribute_specifier_list> attribute_specifier_list_opt
%type <attribute_specifier_list> attribute_specifier_list
%type <attribute_specifier> attribute_specifier
%type <attribute_list> attribute_list
%type <attribute> attribute_opt
%type <attribute> attribute
%type <token_index> attribute_name
%type <expr_list> attribute_parameters
%type <expr_list> expression_list_opt
%type <expr_list> expression_list
%type <type_specifier> struct_or_union_specifier
%type <struct_or_union_kind> struct_or_union
%type <token_index> id_or_tdid
%type <struct_declaration_list> struct_declaration_list_opt
%type <struct_declaration_list> struct_declaration_list
%type <struct_declaration> struct_declaration
%type <specifier_qualifier_list> specifier_qualifier_list_no_ts_opt
%type <specifier_qualifier_list> specifier_qualifier_list_no_ts
%type <specifier_qualifier_list> specifier_qualifier_list_ts_no_tdid
%type <specifier_qualifier_list> specifier_qualifier_list_ts
%type <type_qualifier_list> type_qualifier_list_opt
%type <type_qualifier_list> type_qualifier_list
%type <struct_declarator_list> struct_declarator_list_no_tdid
%type <struct_declarator> struct_declarator_no_tdid
%type <struct_declarator_list> struct_declarator_list_tdid
%type <struct_declarator> struct_declarator_tdid
%type <unnamed_struct_or_union> unnamed_struct_or_union
%type <type_specifier> enum_specifier
%type <enumerator_list> enumerator_list
%type <enumerator> enumerator
%type <type_specifier> typedef_name_no_tdid
%type <type_name> type_name
%type <abstract_declarator> abstract_declarator_opt
%type <abstract_declarator> abstract_declarator
%type <abstract_declarator> abstract_declarator_ptr
%type <abstract_declarator> abstract_declarator_non_ptr
%type <pointer> pointer_opt
%type <pointer> pointer
%type <direct_abstract_declarator> direct_abstract_declarator_opt
%type <direct_abstract_declarator> direct_abstract_declarator
%type <parameter_declaration_list> parameter_type_list_opt
%type <parameter_declaration_list> parameter_type_list
%type <parameter_declaration_list> parameter_list
%type <parameter_declaration> parameter_declaration_first
%type <parameter_declaration> parameter_declaration
%type <declarator> param_declarator_tdid
%type <declarator> param_declarator_tdid_in_parens
%type <direct_declarator> direct_param_declarator_tdid
%type <direct_declarator> direct_param_declarator_tdid_in_parens_tdid
%type <direct_declarator> direct_param_declarator_tdid_in_parens_no_tdid
%type <declarator> declarator_no_tdid_opt
%type <declarator> declarator_no_tdid
%type <direct_declarator> direct_declarator_no_tdid
%type <declarator> declarator_tdid_opt
%type <declarator> declarator_tdid
%type <direct_declarator> direct_declarator_tdid
%type <identifier_list> identifier_list_opt
%type <identifier_list> identifier_list
%type <declaration_list> declaration_list_opt
%type <declaration_list> declaration_list
%type <declaration> declaration_not_starting_with_att
%type <static_assertion> static_assertion
%type <declaration_specifiers> declaration_specifiers_not_starting_with_att_no_ts_opt
%type <declaration_specifiers> declaration_specifiers_not_starting_with_att_no_ts
%type <declaration_specifiers> declaration_specifiers_not_starting_with_att_ts_no_tdid
%type <declaration_specifiers> declaration_specifiers_not_starting_with_att_ts
%type <init_declarator_list> init_declarator_list_no_tdid_opt
%type <init_declarator_list> init_declarator_list_no_tdid
%type <init_declarator> init_declarator_no_tdid
%type <init_declarator_list> init_declarator_list_tdid_opt
%type <init_declarator_list> init_declarator_list_tdid
%type <init_declarator> init_declarator_tdid
%type <init_declarator_list> auto_type_init_declarator_list
%type <init_declarator> auto_type_init_declarator
%type <asm_label> asm_label
%type <initializer> initializer
%type <initializer_list> initializer_list
%type <designation> designation_opt
%type <designation> designation
%type <designator_list> designator_list
%type <designator> designator
%type <stmt> statement
%type <stmt> labeled_statement
%type <stmt_compound> compound_statement
%type <local_label_declaration_list> local_label_declaration_list_opt
%type <local_label_declaration_list> local_label_declaration_list
%type <local_label_declaration> local_label_declaration
%type <block_item_list> block_item_list_opt
%type <block_item_list> block_item_list
%type <block_item> block_item
%type <stmt> expression_statement
%type <stmt> selection_statement
%type <stmt> iteration_statement
%type <stmt> jump_statement
%type <stmt> asm_statement
%type <asm_directive> asm_directive
%type <asm_qualifier_list> asm_qualifier_list_opt
%type <asm_qualifier_list> asm_qualifier_list
%type <asm_operand_list> asm_operand_list_opt
%type <asm_operand_list> asm_operand_list
%type <asm_operand> asm_operand
%type <asm_operand_name> asm_operand_name_opt
%type <asm_operand_name> asm_operand_name
%type <asm_clobber_list> asm_clobber_list_opt
%type <asm_clobber_list> asm_clobber_list
%type <asm_jump_to_label_list> asm_jump_to_label_list_opt
%type <asm_jump_to_label_list> asm_jump_to_label_list
%type <expr> constant_expression
%type <expr> expression_opt
%type <expr> expression
%type <expr> assignment_expression_opt
%type <expr> assignment_expression
%type <assign_op> assignment_operator
%type <expr> conditional_expression
%type <expr> logical_or_expression
%type <expr> logical_and_expression
%type <expr> inclusive_or_expression
%type <expr> exclusive_or_expression
%type <expr> and_expression
%type <expr> equality_expression
%type <binary_op> equality_operator
%type <expr> relational_expression
%type <binary_op> relational_operator
%type <expr> shift_expression
%type <binary_op> shift_operator
%type <expr> additive_expression
%type <expr> multiplicative_expression
%type <expr> cast_expression
%type <expr> unary_expression
%type <unary_op_pre> unary_operator
%type <offset_member_designator> offset_member_designator
%type <expr> postfix_expression
%type <expr> statement_expression
%type <expr> primary_expression
%type <string_literal> string_literal
%type <generic_association_list> generic_association_list;
%type <generic_association> generic_association;
%%
start:
/* empty */
{ pd.leave_td_scope(); }
| translation_unit
{
pd.leave_td_scope();
pd._result = MV_P($1);
}
;
translation_unit:
external_declaration
{ $$ = new translation_unit(std::move($1)); }
| translation_unit external_declaration
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| TOK_SEMICOLON
{ $$ = new translation_unit(@1); }
| translation_unit TOK_SEMICOLON
{ $$ = MV_P($1);}
;
external_declaration:
function_definition_ext
{ $$ = new external_declaration_func(std::move($1)); }
| declaration_ext
{ $$ = new external_declaration_decl(std::move($1)); }
| static_assertion
{ $$ = new external_declaration_static_assert(std::move($1)); }
| asm_directive
{ $$ = new external_declaration_asm(std::move($1)); }
;
function_definition_ext:
function_definition
{ $$ = MV_P($1); }
| declarator_no_tdid
attribute_specifier_list_opt { pd.handle_decl_id($1->get_id_tok()); }
declaration_list_opt function_definition_body
{
declaration_specifiers *ds =
new declaration_specifiers(pp_tokens_range(@1.begin, @1.begin));
try {
$$ = new function_definition(@$, std::move(ds), std::move($1),
std::move($2), std::move($4),
std::move($5));
} catch (...) {
delete ds;
throw;
}
}
;
function_definition:
declaration_specifiers_no_ts declarator_no_tdid
attribute_specifier_list_opt { pd.handle_decl_id($2->get_id_tok()); }
declaration_list_opt function_definition_body
{
$$ = new function_definition(@$, std::move($1), std::move($2),
std::move($3), std::move($5),
std::move($6));
}
| declaration_specifiers_ts declarator_tdid
attribute_specifier_list_opt { pd.handle_decl_id($2->get_id_tok()); }
declaration_list_opt function_definition_body
{
$$ = new function_definition(@$, std::move($1), std::move($2),
std::move($3), std::move($5),
std::move($6));
}
;
function_definition_body:
TOK_LBRACE {
pd.clear_in_typedef();
pd.restore_stashed_td_scope();
}
local_label_declaration_list_opt block_item_list_opt TOK_RBRACE
{
pd.leave_td_scope();
$$ = new stmt_compound(@$, std::move($3), std::move($4));
}
;
static_assertion:
TOK_KW_STATIC_ASSERT TOK_LPAREN expression TOK_COMMA string_literal TOK_RPAREN TOK_SEMICOLON
{ $$ = new static_assertion(@$, std::move($3), std::move($5)); }
;
declaration_ext:
init_declarator_list_no_tdid TOK_SEMICOLON
{
declaration_specifiers *ds =
new declaration_specifiers(pp_tokens_range(@1.begin, @1.begin));
try {
$$ = new declaration(@$, std::move(ds), std::move($1));
} catch (...) {
delete ds;
throw;
}
}
| declaration
{
$$ = MV_P($1);
}
;
declaration:
declaration_specifiers_no_ts init_declarator_list_no_tdid_opt TOK_SEMICOLON
{
pd.clear_in_typedef();
$$ = new declaration(@$, std::move($1), std::move($2));
}
| declaration_specifiers_ts init_declarator_list_tdid_opt TOK_SEMICOLON
{
pd.clear_in_typedef();
$$ = new declaration(@$, std::move($1), std::move($2));
}
| auto_type_declaration_specifiers auto_type_init_declarator_list TOK_SEMICOLON
{
$$ = new declaration(@$, std::move($1), std::move($2));
}
;
declaration_specifiers_no_ts_opt:
/* empty */
{ empty($$, @$); }
| declaration_specifiers_no_ts
{ $$ = MV_P($1); }
;
declaration_specifiers_no_ts:
declaration_specifiers_w_non_att_no_ts
{ $$ = MV_P($1); }
| attribute_specifier_list
{ $$ = new declaration_specifiers(std::move($1)); }
;
declaration_specifiers_w_non_att_no_ts:
storage_class_specifier
{ $$ = new declaration_specifiers(std::move($1)); }
| attribute_specifier_list storage_class_specifier
{
$$ = new declaration_specifiers(std::move($1));
$$->extend(std::move($2));
}
| declaration_specifiers_w_non_att_no_ts storage_class_specifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| type_qualifier
{ $$ = new declaration_specifiers(std::move($1)); }
| attribute_specifier_list type_qualifier
{
$$ = new declaration_specifiers(std::move($1));
$$->extend(std::move($2));
}
| declaration_specifiers_w_non_att_no_ts type_qualifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| function_specifier
{ $$ = new declaration_specifiers(std::move($1)); }
| attribute_specifier_list function_specifier
{
$$ = new declaration_specifiers(std::move($1));
$$->extend(std::move($2));
}
| declaration_specifiers_w_non_att_no_ts function_specifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| declaration_specifiers_w_non_att_no_ts attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
declaration_specifiers_ts_no_tdid:
declaration_specifiers_no_ts_opt type_specifier_no_tdid
{
if (!$1) {
$$ = new declaration_specifiers(std::move($2));
@$.begin = @2.begin;
} else {
$$ = MV_P($1);
$$->extend(std::move($2));
}
}
| declaration_specifiers_ts_no_tdid type_specifier_no_tdid
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| declaration_specifiers_ts_no_tdid storage_class_specifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| declaration_specifiers_ts_no_tdid type_qualifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| declaration_specifiers_ts_no_tdid function_specifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| declaration_specifiers_ts_no_tdid attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
declaration_specifiers_ts:
declaration_specifiers_ts_no_tdid
{ $$ = MV_P($1); }
| declaration_specifiers_no_ts TOK_TYPEDEF_IDENTIFIER declaration_specifiers_no_ts_opt
{
type_specifier_tdid *ts_tdid = new type_specifier_tdid($2);
$$ = MV_P($1);
$$->extend(std::move(ts_tdid));
$$->extend(std::move($3));
}
| TOK_TYPEDEF_IDENTIFIER declaration_specifiers_no_ts_opt
{
type_specifier_tdid *ts_tdid = new type_specifier_tdid($1);
try {
$$ = new declaration_specifiers(std::move(ts_tdid));
} catch (...) {
delete ts_tdid;
}
$$->extend(std::move($2));
}
;
auto_type_declaration_specifiers:
declaration_specifiers_no_ts_opt TOK_KW_AUTO_TYPE declaration_specifiers_no_ts_opt
{
type_specifier_auto_type *ts_auto_type = new type_specifier_auto_type(@2.begin);
if (!$1) {
try {
$$ = new declaration_specifiers(std::move(ts_auto_type));
} catch (...) {
delete ts_auto_type;
}
@$.begin = @2.begin;
} else {
$$ = MV_P($1);
$$->extend(std::move(ts_auto_type));
}
if ($3)
$$->extend(std::move($3));
}
;
storage_class_specifier:
TOK_KW_TYPEDEF
{
pd.set_in_typedef();
$$ = new storage_class_specifier(@$, storage_class::sc_typedef);
}
| TOK_KW_EXTERN
{ $$ = new storage_class_specifier(@$, storage_class::sc_extern); }
| TOK_KW_STATIC
{ $$ = new storage_class_specifier(@$, storage_class::sc_static); }
| TOK_KW_AUTO
{ $$ = new storage_class_specifier(@$, storage_class::sc_auto); }
| TOK_KW_REGISTER
{ $$ = new storage_class_specifier(@$, storage_class::sc_register); }
;
type_specifier_no_tdid:
TOK_KW_VOID
{ $$ = new type_specifier_pod(@$, pod_spec::ps_void); }
| TOK_KW_CHAR
{ $$ = new type_specifier_pod(@$, pod_spec::ps_char); }
| TOK_KW_SHORT
{ $$ = new type_specifier_pod(@$, pod_spec::ps_short); }
| TOK_KW_INT
{ $$ = new type_specifier_pod(@$, pod_spec::ps_int); }
| TOK_KW_LONG
{ $$ = new type_specifier_pod(@$, pod_spec::ps_long); }
| TOK_KW_FLOAT
{ $$ = new type_specifier_pod(@$, pod_spec::ps_float); }
| TOK_KW_DOUBLE
{ $$ = new type_specifier_pod(@$, pod_spec::ps_double); }
| TOK_KW_SIGNED
{ $$ = new type_specifier_pod(@$, pod_spec::ps_signed); }
| TOK_KW_UNSIGNED
{ $$ = new type_specifier_pod(@$, pod_spec::ps_unsigned); }
| TOK_KW_BOOL
{ $$ = new type_specifier_pod(@$, pod_spec::ps_bool); }
| TOK_KW_COMPLEX
{ $$ = new type_specifier_pod(@$, pod_spec::ps_complex); }
| TOK_KW_EXT_INT
{ $$ = new type_specifier_ext_int(@$, $1); }
| TOK_KW_EXT_FLOAT
{ $$ = new type_specifier_ext_float(@$, $1); }
| struct_or_union_specifier
{ $$ =MV_P($1); }
| enum_specifier
{ $$ =MV_P($1); }
| typedef_name_no_tdid
{ $$ =MV_P($1); }
;
type_qualifier:
TOK_KW_CONST
{ $$ = new type_qualifier(@$, types::qualifier::q_const); }
| TOK_KW_RESTRICT
{ $$ = new type_qualifier(@$, types::qualifier::q_restrict); }
| TOK_KW_VOLATILE
{ $$ = new type_qualifier(@$, types::qualifier::q_volatile); }
;
function_specifier:
TOK_KW_INLINE
{ $$ = new function_specifier(@1.begin); }
;
attribute_specifier_list_opt:
/* empty */ %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ empty($$, @$); };
| attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = MV_P($1); }
;
attribute_specifier_list:
attribute_specifier
{ $$ = new attribute_specifier_list(std::move($1)); }
| attribute_specifier_list attribute_specifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
attribute_specifier:
TOK_KW_ATTRIBUTE TOK_LPAREN TOK_LPAREN attribute_list TOK_RPAREN TOK_RPAREN
{ $$ = new attribute_specifier(@$, std::move($4)); }
;
attribute_list:
attribute_opt
{ $$ = new attribute_list(@$, std::move($1)); }
| attribute_list TOK_COMMA attribute_opt
{ $$ = MV_P($1); $$->extend(@3, std::move($3)); }
;
attribute_opt:
/* empty */
{ empty($$, @$); }
| attribute
{ $$ = MV_P($1); }
;
attribute:
attribute_name
{ $$ = new attribute($1); }
| attribute_name TOK_LPAREN attribute_parameters TOK_RPAREN
{ $$ = new attribute(@$, $1, std::move($3)); }
;
attribute_name:
id_or_tdid
{ $$ = $1; }
| TOK_KW_CONST
{ $$ = @$.begin; }
;
attribute_parameters:
expression_list_opt
{ $$ = MV_P($1); }
;
expression_list_opt:
/* empty */
{ empty($$, @$); }
| expression_list
{ $$ = MV_P($1); }
;
expression_list:
assignment_expression
{ $$ = new expr_list(std::move($1)); }
| expression_list TOK_COMMA assignment_expression
{ $$ = MV_P($1); $$->extend(std::move($3)); }
;
struct_or_union_specifier:
struct_or_union attribute_specifier_list_opt id_or_tdid TOK_LBRACE struct_declaration_list_opt TOK_RBRACE attribute_specifier_list_opt
{
$$ = new struct_or_union_def(@$, $1, $3, std::move($5),
std::move($2), std::move($7));
}
| struct_or_union attribute_specifier_list_opt TOK_LBRACE struct_declaration_list_opt TOK_RBRACE attribute_specifier_list_opt
{
$$ = new struct_or_union_def(@$, $1, std::move($4),
std::move($2), std::move($6));
}
| struct_or_union attribute_specifier_list_opt id_or_tdid
{ $$ = new struct_or_union_ref(@$, $1, $3, std::move($2)); }
;
struct_or_union:
TOK_KW_STRUCT
{ $$ = types::struct_or_union_kind::souk_struct; }
| TOK_KW_UNION
{ $$ = types::struct_or_union_kind::souk_union; }
;
id_or_tdid:
TOK_IDENTIFIER
{ $$ = $1; }
| TOK_TYPEDEF_IDENTIFIER
{ $$ = $1; }
;
struct_declaration_list_opt:
/* empty */
{ empty($$, @$); }
| semicolons
{ $$ = nullptr; }
| struct_declaration_list
{ $$ = MV_P($1); }
;
struct_declaration_list:
semicolons_opt struct_declaration semicolons_opt
{ $$ = new struct_declaration_list(std::move($2)); }
| struct_declaration_list struct_declaration semicolons_opt
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
semicolons_opt:
/* empty */
{ empty(@$); }
| semicolons
;
semicolons:
TOK_SEMICOLON
| semicolons TOK_SEMICOLON
;
/*
* The specifier_qualifier_list in front of the unnamed_struct_or_union
* below should really be a type_qualifier_list. However, this would result
* in a reduce/reduce conflict. Hence, allow for the superset when parsing.
*/
struct_declaration:
specifier_qualifier_list_no_ts struct_declarator_list_no_tdid TOK_SEMICOLON
{ $$ = new struct_declaration_c99(@$, std::move($1), std::move($2)); }
| specifier_qualifier_list_ts struct_declarator_list_tdid TOK_SEMICOLON
{ $$ = new struct_declaration_c99(@$, std::move($1), std::move($2)); }
| specifier_qualifier_list_no_ts unnamed_struct_or_union TOK_SEMICOLON
{
$$ = new struct_declaration_unnamed_sou(@$, std::move($1),
std::move($2));
}
| unnamed_struct_or_union TOK_SEMICOLON
{
$$ = new struct_declaration_unnamed_sou(@$, nullptr,
std::move($1));
}
| static_assertion
{
$$ = new struct_declaration_static_assert(std::move($1));
}
;
specifier_qualifier_list_no_ts_opt:
/* empty */
{ empty($$, @$); }
| specifier_qualifier_list_no_ts
{ $$ = MV_P($1); }
;
specifier_qualifier_list_no_ts:
type_qualifier
{ $$ = new specifier_qualifier_list(std::move($1)); }
| specifier_qualifier_list_no_ts type_qualifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = new specifier_qualifier_list(std::move($1)); }
| specifier_qualifier_list_no_ts attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
specifier_qualifier_list_ts_no_tdid:
type_specifier_no_tdid
{ $$ = new specifier_qualifier_list(std::move($1)); }
| specifier_qualifier_list_no_ts type_specifier_no_tdid
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| specifier_qualifier_list_ts_no_tdid type_specifier_no_tdid
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| specifier_qualifier_list_ts_no_tdid type_qualifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| specifier_qualifier_list_ts_no_tdid attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = MV_P($1); $$->extend(std::move($2)); }
;
specifier_qualifier_list_ts:
specifier_qualifier_list_ts_no_tdid
{ $$ = MV_P($1); }
| specifier_qualifier_list_no_ts_opt TOK_TYPEDEF_IDENTIFIER specifier_qualifier_list_no_ts_opt
{
type_specifier_tdid *ts_tdid = new type_specifier_tdid($2);
if (!$1) {
try {
$$ = new specifier_qualifier_list(std::move(ts_tdid));
} catch (...) {
delete ts_tdid;
}
@$.begin = @2.begin;
} else {
$$ = MV_P($1);
$$->extend(std::move(ts_tdid));
}
$$->extend(std::move($3));
}
;
type_qualifier_list_opt:
/* empty */
{ empty($$, @$); }
| type_qualifier_list
{ $$ = MV_P(std::move($1)); }
;
type_qualifier_list:
type_qualifier
{ $$ = new type_qualifier_list(std::move($1)); }
| type_qualifier_list type_qualifier
{ $$ = MV_P($1); $$->extend(std::move($2)); }
| attribute_specifier_list %prec TOK_DUMMY_PRIO_GREEDY_ATTR_LIST
{ $$ = new type_qualifier_list(std::move($1)); }