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parser.yy @ c5283ba

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Last change on this file since c5283ba was 203c667, checked in by Peter A. Buhr <pabuhr@…>, 6 years ago
clean up
Property mode set to `100644`
File size: 124.5 KB

Rev	Line
[b87a5ed]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[9335ecc]	7	// parser.yy --
[974906e2]	8	//
[c11e31c]	9	// Author : Peter A. Buhr
	10	// Created On : Sat Sep 1 20:22:55 2001
[936e9f4]	11	// Last Modified By : Peter A. Buhr
[203c667]	12	// Last Modified On : Sun Jun 24 10:41:10 2018
	13	// Update Count : 3587
[974906e2]	14	//
[c11e31c]	15
[de62360d]	16	// This grammar is based on the ANSI99/11 C grammar, specifically parts of EXPRESSION and STATEMENTS, and on the C
	17	// grammar by James A. Roskind, specifically parts of DECLARATIONS and EXTERNAL DEFINITIONS. While parts have been
	18	// copied, important changes have been made in all sections; these changes are sufficient to constitute a new grammar.
	19	// In particular, this grammar attempts to be more syntactically precise, i.e., it parses less incorrect language syntax
	20	// that must be subsequently rejected by semantic checks. Nevertheless, there are still several semantic checks
	21	// required and many are noted in the grammar. Finally, the grammar is extended with GCC and CFA language extensions.
[c11e31c]	22
[de62360d]	23	// Acknowledgments to Richard Bilson, Glen Ditchfield, and Rodolfo Gabriel Esteves who all helped when I got stuck with
	24	// the grammar.
[c11e31c]	25
	26	// The root language for this grammar is ANSI99/11 C. All of ANSI99/11 is parsed, except for:
	27	//
	28	// 1. designation with '=' (use ':' instead)
	29	//
[de62360d]	30	// Most of the syntactic extensions from ANSI90 to ANSI11 C are marked with the comment "C99/C11". This grammar also has
	31	// two levels of extensions. The first extensions cover most of the GCC C extensions, except for:
[c11e31c]	32	//
[e7aed49]	33	// 1. designation with and without '=' (use ':' instead)
[c0aa336]	34	// 2. attributes not allowed in parenthesis of declarator
[c11e31c]	35	//
[de62360d]	36	// All of the syntactic extensions for GCC C are marked with the comment "GCC". The second extensions are for Cforall
	37	// (CFA), which fixes several of C's outstanding problems and extends C with many modern language concepts. All of the
	38	// syntactic extensions for CFA C are marked with the comment "CFA". As noted above, there is one unreconcileable
	39	// parsing problem between C99 and CFA with respect to designators; this is discussed in detail before the "designation"
	40	// grammar rule.
[51b7345]	41
	42	%{
[b87a5ed]	43	#define YYDEBUG_LEXER_TEXT (yylval) // lexer loads this up each time
	44	#define YYDEBUG 1 // get the pretty debugging code to compile
[201aeb9]	45	#define YYERROR_VERBOSE // more information in syntax errors
[51b7345]	46
	47	#undef __GNUC_MINOR__
	48
	49	#include <cstdio>
	50	#include <stack>
[9ed4f94]	51	using namespace std;
	52
[51b7345]	53	#include "ParseNode.h"
[984dce6]	54	#include "TypedefTable.h"
[1db21619]	55	#include "TypeData.h"
[51b7345]	56	#include "LinkageSpec.h"
[9ed4f94]	57	#include "Common/SemanticError.h" // error_str
[513e165]	58	#include "Common/utility.h" // for maybeMoveBuild, maybeBuild, CodeLo...
[51b7345]	59
[cbaee0d]	60	extern DeclarationNode * parseTree;
[8b7ee09]	61	extern LinkageSpec::Spec linkage;
[0da3e2c]	62	extern TypedefTable typedefTable;
	63
[2298f728]	64	stack< LinkageSpec::Spec > linkageStack;
[7bf7fb9]	65
[15697ff]	66	bool appendStr( string & to, string & from ) {
	67	// 1. Multiple strings are concatenated into a single string but not combined internally. The reason is that
[ea0c5e3]	68	// "\x12" "3" is treated as 2 characters versus 1 because "escape sequences are converted into single members of
[15697ff]	69	// the execution character set just prior to adjacent string literal concatenation" (C11, Section 6.4.5-8). It is
	70	// easier to let the C compiler handle this case.
	71	//
	72	// 2. String encodings are transformed into canonical form (one encoding at start) so the encoding can be found
	73	// without searching the string, e.g.: "abc" L"def" L"ghi" => L"abc" "def" "ghi". Multiple encodings must match,
	74	// i.e., u"a" U"b" L"c" is disallowed.
	75
	76	if ( from[0] != '"' ) { // encoding ?
	77	if ( to[0] != '"' ) { // encoding ?
[ea0c5e3]	78	if ( to[0] != from[0] \|\| to[1] != from[1] ) { // different encodings ?
[15697ff]	79	yyerror( "non-matching string encodings for string-literal concatenation" );
	80	return false; // parse error, must call YYERROR in action
[ea0c5e3]	81	} else if ( from[1] == '8' ) {
	82	from.erase( 0, 1 ); // remove 2nd encoding
[15697ff]	83	} // if
	84	} else {
[ea0c5e3]	85	if ( from[1] == '8' ) { // move encoding to start
	86	to = "u8" + to;
	87	from.erase( 0, 1 ); // remove 2nd encoding
	88	} else {
	89	to = from[0] + to;
	90	} // if
[15697ff]	91	} // if
	92	from.erase( 0, 1 ); // remove 2nd encoding
	93	} // if
	94	to += " " + from; // concatenated into single string
	95	return true;
[7bf7fb9]	96	} // appendStr
[c0aa336]	97
	98	DeclarationNode * distAttr( DeclarationNode * specifier, DeclarationNode * declList ) {
	99	// distribute declaration_specifier across all declared variables, e.g., static, const, __attribute__.
	100	DeclarationNode * cur = declList, * cl = (new DeclarationNode)->addType( specifier );
	101	//cur->addType( specifier );
	102	for ( cur = dynamic_cast< DeclarationNode * >( cur->get_next() ); cur != nullptr; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
	103	cl->cloneBaseType( cur );
	104	} // for
	105	declList->addType( cl );
	106	// delete cl;
	107	return declList;
	108	} // distAttr
	109
	110	void distExt( DeclarationNode * declaration ) {
	111	// distribute EXTENSION across all declarations
	112	for ( DeclarationNode iter = declaration; iter != nullptr; iter = (DeclarationNode )iter->get_next() ) {
	113	iter->set_extension( true );
	114	} // for
	115	} // distExt
[fdca7c6]	116
[c38ae92]	117	// There is an ambiguity for inline generic-routine return-types and generic routines.
	118	// forall( otype T ) struct S { int i; } bar( T ) {}
	119	// Does the forall bind to the struct or the routine, and how would it be possible to explicitly specify the binding.
	120	// forall( otype T ) struct S { int T; } forall( otype W ) bar( W ) {}
[7fdb94e]	121	// Currently, the forall is associated with the routine, and the generic type has to be separately defined:
	122	// forall( otype T ) struct S { int T; };
	123	// forall( otype W ) bar( W ) {}
[c38ae92]	124
	125	void rebindForall( DeclarationNode * declSpec, DeclarationNode * funcDecl ) {
[7fdb94e]	126	if ( declSpec->type->kind == TypeData::Aggregate ) { // ignore aggregate definition
[c38ae92]	127	funcDecl->type->forall = declSpec->type->aggregate.params; // move forall from aggregate to function type
	128	declSpec->type->aggregate.params = nullptr;
	129	} // if
	130	} // rebindForall
	131
[dc7db63]	132	NameExpr * build_postfix_name( const string * name ) {
	133	NameExpr * new_name = build_varref( new string( "?`" + *name ) );
	134	delete name;
	135	return new_name;
	136	} // build_postfix_name
	137
[3d56d15b]	138	bool forall = false, xxx = false, yyy = false; // aggregate have one or more forall qualifiers ?
[d48e529]	139
[201aeb9]	140	// https://www.gnu.org/software/bison/manual/bison.html#Location-Type
	141	#define YYLLOC_DEFAULT(Cur, Rhs, N) \
	142	if ( N ) { \
	143	(Cur).first_line = YYRHSLOC( Rhs, 1 ).first_line; \
	144	(Cur).first_column = YYRHSLOC( Rhs, 1 ).first_column; \
	145	(Cur).last_line = YYRHSLOC( Rhs, N ).last_line; \
	146	(Cur).last_column = YYRHSLOC( Rhs, N ).last_column; \
	147	(Cur).filename = YYRHSLOC( Rhs, 1 ).filename; \
	148	} else { \
	149	(Cur).first_line = (Cur).last_line = YYRHSLOC( Rhs, 0 ).last_line; \
	150	(Cur).first_column = (Cur).last_column = YYRHSLOC( Rhs, 0 ).last_column; \
	151	(Cur).filename = YYRHSLOC( Rhs, 0 ).filename; \
	152	}
[51b7345]	153	%}
	154
[15697ff]	155	%define parse.error verbose
	156
[201aeb9]	157	// Types declaration for productions
[a67b60e]	158	%union
	159	{
	160	Token tok;
	161	ParseNode * pn;
	162	ExpressionNode * en;
	163	DeclarationNode * decl;
	164	DeclarationNode::Aggregate aggKey;
	165	DeclarationNode::TypeClass tclass;
	166	StatementNode * sn;
[135b431]	167	WaitForStmt * wfs;
[e612146c]	168	Expression * constant;
[936e9f4]	169	IfCtl * ifctl;
[a67b60e]	170	ForCtl * fctl;
	171	LabelNode * label;
	172	InitializerNode * in;
	173	OperKinds op;
	174	std::string * str;
	175	bool flag;
[307a732]	176	CatchStmt::Kind catch_kind;
[d807ca28]	177	GenericExpr * genexpr;
[a67b60e]	178	}
	179
[c11e31c]	180	//*********************** TERMINAL TOKENS ******************************
[51b7345]	181
[c11e31c]	182	// keywords
[51b7345]	183	%token TYPEDEF
[a7c90d4]	184	%token EXTERN STATIC AUTO REGISTER
	185	%token THREADLOCAL // C11
	186	%token INLINE FORTRAN // C99, extension ISO/IEC 9899:1999 Section J.5.9(1)
	187	%token NORETURN // C11
[51b7345]	188	%token CONST VOLATILE
[b87a5ed]	189	%token RESTRICT // C99
[a7c90d4]	190	%token ATOMIC // C11
[51d6d6a]	191	%token FORALL MUTEX VIRTUAL // CFA
[72457b6]	192	%token VOID CHAR SHORT INT LONG FLOAT DOUBLE SIGNED UNSIGNED
[b87a5ed]	193	%token BOOL COMPLEX IMAGINARY // C99
[201aeb9]	194	%token INT128 FLOAT80 FLOAT128 // GCC
[72457b6]	195	%token ZERO_T ONE_T // CFA
	196	%token VALIST // GCC
[b87a5ed]	197	%token TYPEOF LABEL // GCC
[51b7345]	198	%token ENUM STRUCT UNION
[c27fb59]	199	%token EXCEPTION // CFA
[d3bc0ad]	200	%token COROUTINE MONITOR THREAD // CFA
[a7c90d4]	201	%token OTYPE FTYPE DTYPE TTYPE TRAIT // CFA
[5721a6d]	202	%token SIZEOF OFFSETOF
[b87a5ed]	203	%token ATTRIBUTE EXTENSION // GCC
[51b7345]	204	%token IF ELSE SWITCH CASE DEFAULT DO WHILE FOR BREAK CONTINUE GOTO RETURN
[114014c]	205	%token CHOOSE DISABLE ENABLE FALLTHRU FALLTHROUGH TRY CATCH CATCHRESUME FINALLY THROW THROWRESUME AT WITH WHEN WAITFOR // CFA
[b87a5ed]	206	%token ASM // C99, extension ISO/IEC 9899:1999 Section J.5.10(1)
[a7c90d4]	207	%token ALIGNAS ALIGNOF GENERIC STATICASSERT // C11
[51b7345]	208
[c11e31c]	209	// names and constants: lexer differentiates between identifier and typedef names
[b87a5ed]	210	%token<tok> IDENTIFIER QUOTED_IDENTIFIER TYPEDEFname TYPEGENname
[5b2edbc]	211	%token<tok> TIMEOUT WOR
[b87a5ed]	212	%token<tok> ATTR_IDENTIFIER ATTR_TYPEDEFname ATTR_TYPEGENname
[1b29996]	213	%token<tok> INTEGERconstant CHARACTERconstant STRINGliteral
[61fc4f6]	214	%token<tok> DIRECTIVE
[1b29996]	215	// Floating point constant is broken into three kinds of tokens because of the ambiguity with tuple indexing and
	216	// overloading constants 0/1, e.g., x.1 is lexed as (x)(.1), where (.1) is a factional constant, but is semantically
	217	// converted into the tuple index (.)(1). e.g., 3.x
[930f69e]	218	%token<tok> FLOATING_DECIMALconstant FLOATING_FRACTIONconstant FLOATINGconstant
[51b7345]	219
[c11e31c]	220	// multi-character operators
[b87a5ed]	221	%token ARROW // ->
	222	%token ICR DECR // ++ --
	223	%token LS RS // << >>
	224	%token LE GE EQ NE // <= >= == !=
	225	%token ANDAND OROR // && \|\|
	226	%token ELLIPSIS // ...
	227
[e5f2a67]	228	%token EXPassign MULTassign DIVassign MODassign // \= *= /= %=
[b87a5ed]	229	%token PLUSassign MINUSassign // += -=
	230	%token LSassign RSassign // <<= >>=
	231	%token ANDassign ERassign ORassign // &= ^= \|=
[51b7345]	232
[e7aed49]	233	%token ATassign // @=
[097e2b0]	234
[6165ce7]	235	%type<tok> identifier no_attr_identifier
[84d58c5]	236	%type<tok> identifier_or_type_name no_attr_identifier_or_type_name attr_name
[5b2edbc]	237	%type<tok> quasi_keyword
[ab57786]	238	%type<constant> string_literal
	239	%type<str> string_literal_list
[51b7345]	240
[c11e31c]	241	// expressions
[d1625f8]	242	%type<en> constant
[b87a5ed]	243	%type<en> tuple tuple_expression_list
[9706554]	244	%type<op> ptrref_operator unary_operator assignment_operator
[b87a5ed]	245	%type<en> primary_expression postfix_expression unary_expression
[994d080]	246	%type<en> cast_expression exponential_expression multiplicative_expression additive_expression
	247	%type<en> shift_expression relational_expression equality_expression
	248	%type<en> AND_expression exclusive_OR_expression inclusive_OR_expression
	249	%type<en> logical_AND_expression logical_OR_expression
	250	%type<en> conditional_expression constant_expression assignment_expression assignment_expression_opt
[b87a5ed]	251	%type<en> comma_expression comma_expression_opt
[994d080]	252	%type<en> argument_expression_list argument_expression default_initialize_opt
[936e9f4]	253	%type<ifctl> if_control_expression
[2f22cc4]	254	%type<fctl> for_control_expression
[51b7345]	255	%type<en> subrange
[c0aa336]	256	%type<decl> asm_name_opt
[7f5566b]	257	%type<en> asm_operands_opt asm_operands_list asm_operand
	258	%type<label> label_list
[d1625f8]	259	%type<en> asm_clobbers_list_opt
[7f5566b]	260	%type<flag> asm_volatile_opt
[cbce272]	261	%type<en> handler_predicate_opt
[d807ca28]	262	%type<genexpr> generic_association generic_assoc_list
[51b7345]	263
[c11e31c]	264	// statements
[9bd6105]	265	%type<sn> statement labeled_statement compound_statement
	266	%type<sn> statement_decl statement_decl_list statement_list_nodecl
[3d26610]	267	%type<sn> selection_statement if_statement
[6a276a0]	268	%type<sn> switch_clause_list_opt switch_clause_list
[9bd6105]	269	%type<en> case_value
	270	%type<sn> case_clause case_value_list case_label case_label_list
[8b47e50]	271	%type<sn> iteration_statement jump_statement
[9bd6105]	272	%type<sn> expression_statement asm_statement
[c453ac4]	273	%type<sn> with_statement
	274	%type<en> with_clause_opt
[51d6d6a]	275	%type<sn> exception_statement handler_clause finally_clause
	276	%type<catch_kind> handler_key
[b6b3c42]	277	%type<sn> mutex_statement
[9bd6105]	278	%type<en> when_clause when_clause_opt waitfor timeout
[135b431]	279	%type<sn> waitfor_statement
[51d6d6a]	280	%type<wfs> waitfor_clause
[51b7345]	281
[c11e31c]	282	// declarations
[c0aa336]	283	%type<decl> abstract_declarator abstract_ptr abstract_array abstract_function array_dimension multi_array_dimension
	284	%type<decl> abstract_parameter_declarator abstract_parameter_ptr abstract_parameter_array abstract_parameter_function array_parameter_dimension array_parameter_1st_dimension
	285	%type<decl> abstract_parameter_declaration
[51b7345]	286
	287	%type<aggKey> aggregate_key
[d0ffed1]	288	%type<decl> aggregate_type aggregate_type_nobody
[51b7345]	289
[9997fee]	290	%type<decl> assertion assertion_list assertion_list_opt
[51b7345]	291
	292	%type<en> bit_subrange_size_opt bit_subrange_size
	293
[84d58c5]	294	%type<decl> basic_declaration_specifier basic_type_name basic_type_specifier direct_type indirect_type
[51b7345]	295
[4040425]	296	%type<decl> trait_declaration trait_declaration_list trait_declaring_list trait_specifier
[51b7345]	297
	298	%type<decl> declaration declaration_list declaration_list_opt declaration_qualifier_list
[d0ffed1]	299	%type<decl> declaration_specifier declaration_specifier_nobody declarator declaring_list
[51b7345]	300
[d0ffed1]	301	%type<decl> elaborated_type elaborated_type_nobody
[51b7345]	302
[d0ffed1]	303	%type<decl> enumerator_list enum_type enum_type_nobody
[51b7345]	304	%type<en> enumerator_value_opt
	305
[3d56d15b]	306	%type<decl> external_definition external_definition_list external_definition_list_opt
	307
	308	%type<decl> exception_declaration
[51b7345]	309
[7fdb94e]	310	%type<decl> field_declaration field_declaration_list_opt field_declarator_opt field_declaring_list
[df22130]	311	%type<en> field field_list field_name fraction_constants_opt
[51b7345]	312
[4d51835]	313	%type<decl> external_function_definition function_definition function_array function_declarator function_no_ptr function_ptr
[51b7345]	314
[d3bc0ad]	315	%type<decl> identifier_parameter_declarator identifier_parameter_ptr identifier_parameter_array identifier_parameter_function
	316	%type<decl> identifier_list
[51b7345]	317
[c0aa336]	318	%type<decl> cfa_abstract_array cfa_abstract_declarator_no_tuple cfa_abstract_declarator_tuple
	319	%type<decl> cfa_abstract_function cfa_abstract_parameter_declaration cfa_abstract_parameter_list
	320	%type<decl> cfa_abstract_ptr cfa_abstract_tuple
[51b7345]	321
[c0aa336]	322	%type<decl> cfa_array_parameter_1st_dimension
[51b7345]	323
[c0aa336]	324	%type<decl> cfa_trait_declaring_list cfa_declaration cfa_field_declaring_list
	325	%type<decl> cfa_function_declaration cfa_function_return cfa_function_specifier
[51b7345]	326
[c0aa336]	327	%type<decl> cfa_identifier_parameter_array cfa_identifier_parameter_declarator_no_tuple
	328	%type<decl> cfa_identifier_parameter_declarator_tuple cfa_identifier_parameter_ptr
[51b7345]	329
[40de461]	330	%type<decl> cfa_parameter_declaration cfa_parameter_list cfa_parameter_ellipsis_list_opt
[51b7345]	331
[c0aa336]	332	%type<decl> cfa_typedef_declaration cfa_variable_declaration cfa_variable_specifier
[51b7345]	333
[b9be000b]	334	%type<decl> c_declaration static_assert
[c0aa336]	335	%type<decl> KR_function_declarator KR_function_no_ptr KR_function_ptr KR_function_array
[35718a9]	336	%type<decl> KR_parameter_list KR_parameter_list_opt
[51b7345]	337
[2a8427c6]	338	%type<decl> parameter_declaration parameter_list parameter_type_list_opt
[51b7345]	339
[2871210]	340	%type<decl> paren_identifier paren_type
[51b7345]	341
[0da3e2c]	342	%type<decl> storage_class storage_class_list
[51b7345]	343
[d0ffed1]	344	%type<decl> sue_declaration_specifier sue_declaration_specifier_nobody sue_type_specifier sue_type_specifier_nobody
[51b7345]	345
	346	%type<tclass> type_class
	347	%type<decl> type_declarator type_declarator_name type_declaring_list
	348
[84d58c5]	349	%type<decl> type_declaration_specifier type_type_specifier type_name typegen_name
	350	%type<decl> typedef typedef_declaration typedef_expression
[c0aa336]	351
	352	%type<decl> variable_type_redeclarator type_ptr type_array type_function
	353
	354	%type<decl> type_parameter_redeclarator type_parameter_ptr type_parameter_array type_parameter_function
[51b7345]	355
[84d58c5]	356	%type<decl> type type_no_function
	357	%type<decl> type_parameter type_parameter_list type_initializer_opt
[51b7345]	358
[84d58c5]	359	%type<en> type_list
[51b7345]	360
[a16a7ec]	361	%type<decl> type_qualifier type_qualifier_name forall type_qualifier_list_opt type_qualifier_list
[d3bc0ad]	362	%type<decl> type_specifier type_specifier_nobody
[51b7345]	363
[c0aa336]	364	%type<decl> variable_declarator variable_ptr variable_array variable_function
	365	%type<decl> variable_abstract_declarator variable_abstract_ptr variable_abstract_array variable_abstract_function
[51b7345]	366
[44a81853]	367	%type<decl> attribute_list_opt attribute_list attribute_name_list attribute attribute_name
[1db21619]	368
[c11e31c]	369	// initializers
[7fdb94e]	370	%type<in> initializer initializer_list_opt initializer_opt
[51b7345]	371
[c11e31c]	372	// designators
[51b7345]	373	%type<en> designator designator_list designation
	374
	375
[65d6de4]	376	// Handle shift/reduce conflict for dangling else by shifting the ELSE token. For example, this string is ambiguous:
	377	// .---------. matches IF '(' comma_expression ')' statement . (reduce)
	378	// if ( C ) S1 else S2
	379	// `-----------------' matches IF '(' comma_expression ')' statement . (shift) ELSE statement */
[5b2edbc]	380	// Similar issues exit with the waitfor statement.
[51b7345]	381
[1efa1e1]	382	// Order of these lines matters (low-to-high precedence). THEN is left associative over WOR/TIMEOUT/ELSE, WOR is left
	383	// associative over TIMEOUT/ELSE, and TIMEOUT is left associative over ELSE.
[5b2edbc]	384	%precedence THEN // rule precedence for IF/WAITFOR statement
	385	%precedence WOR // token precedence for start of WOR in WAITFOR statement
	386	%precedence TIMEOUT // token precedence for start of TIMEOUT in WAITFOR statement
	387	%precedence ELSE // token precedence for start of else clause in IF/WAITFOR statement
[51b7345]	388
[65d6de4]	389	// Handle shift/reduce conflict for generic type by shifting the '(' token. For example, this string is ambiguous:
	390	// forall( otype T ) struct Foo { T v; };
	391	// .-----. matches pointer to function returning a generic (which is impossible without a type)
	392	// Foo ( *fp )( int );
	393	// `---' matches start of TYPEGENname '('
	394	// Must be:
[a16a7ec]	395	// Foo( int ) ( *fp )( int );
[65d6de4]	396
	397	// Order of these lines matters (low-to-high precedence).
	398	%precedence TYPEGENname
	399	%precedence '('
	400
[f38e7d7]	401	%locations // support location tracking for error messages
[930f69e]	402
[b87a5ed]	403	%start translation_unit // parse-tree root
[51b7345]	404
	405	%%
[c11e31c]	406	//*********************** Namespace Management ******************************
	407
[3d26610]	408	// The C grammar is not context free because it relies on the distinct terminal symbols "identifier" and "TYPEDEFname",
	409	// which are lexically identical.
[c11e31c]	410	//
[3d26610]	411	// typedef int foo; // identifier foo must now be scanned as TYPEDEFname
	412	// foo f; // to allow it to appear in this context
[c11e31c]	413	//
[3d26610]	414	// While it may be possible to write a purely context-free grammar, such a grammar would obscure the relationship
	415	// between syntactic and semantic constructs. Cforall compounds this problem by introducing type names local to the
	416	// scope of a declaration (for instance, those introduced through "forall" qualifiers), and by introducing "type
	417	// generators" -- parameterized types. This latter type name creates a third class of identifiers, "TYPEGENname", which
	418	// must be distinguished by the lexical scanner.
[c11e31c]	419	//
[3d26610]	420	// Since the scanner cannot distinguish among the different classes of identifiers without some context information,
	421	// there is a type table (typedefTable), which holds type names and identifiers that override type names, for each named
	422	// scope. During parsing, semantic actions update the type table by adding new identifiers in the current scope. For
	423	// each context that introduces a name scope, a new level is created in the type table and that level is popped on
	424	// exiting the scope. Since type names can be local to a particular declaration, each declaration is itself a scope.
	425	// This requires distinguishing between type names that are local to the current declaration scope and those that
	426	// persist past the end of the declaration (i.e., names defined in "typedef" or "otype" declarations).
[c11e31c]	427	//
[3d26610]	428	// The non-terminals "push" and "pop" denote the opening and closing of named scopes. Every push has a matching pop in
	429	// the production rule. There are multiple lists of declarations, where each declaration is a named scope, so pop/push
	430	// around the list separator.
	431	//
	432	// int f( forall(T) T (f1) T , forall( S ) S (f2)( S ) );
	433	// push pop push pop
[51b7345]	434
	435	push:
[ab57786]	436	{ typedefTable.enterScope(); }
[4d51835]	437	;
[51b7345]	438
	439	pop:
[ab57786]	440	{ typedefTable.leaveScope(); }
[4d51835]	441	;
[51b7345]	442
[c11e31c]	443	//*********************** CONSTANTS ******************************
[51b7345]	444
	445	constant:
[de62360d]	446	// ENUMERATIONconstant is not included here; it is treated as a variable with type "enumeration constant".
[ab57786]	447	INTEGERconstant { $$ = new ExpressionNode( build_constantInteger( *$1 ) ); }
[930f69e]	448	\| FLOATING_DECIMALconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
	449	\| FLOATING_FRACTIONconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
[ab57786]	450	\| FLOATINGconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
	451	\| CHARACTERconstant { $$ = new ExpressionNode( build_constantChar( *$1 ) ); }
[4d51835]	452	;
[51b7345]	453
[5b2edbc]	454	quasi_keyword: // CFA
	455	TIMEOUT
	456	\| WOR
	457	;
	458
[51b7345]	459	identifier:
[4d51835]	460	IDENTIFIER
	461	\| ATTR_IDENTIFIER // CFA
[5b2edbc]	462	\| quasi_keyword
[4d51835]	463	;
[51b7345]	464
	465	no_attr_identifier:
[4d51835]	466	IDENTIFIER
[5b2edbc]	467	\| quasi_keyword
[4d51835]	468	;
[51b7345]	469
[ab57786]	470	string_literal:
	471	string_literal_list { $$ = build_constantStr( *$1 ); }
	472	;
	473
[b87a5ed]	474	string_literal_list: // juxtaposed strings are concatenated
[ab57786]	475	STRINGliteral { $$ = $1; } // conversion from tok to str
[7bf7fb9]	476	\| string_literal_list STRINGliteral
	477	{
[15697ff]	478	if ( ! appendStr( $1, $2 ) ) YYERROR; // append 2nd juxtaposed string to 1st
[7bf7fb9]	479	delete $2; // allocated by lexer
[ab57786]	480	$$ = $1; // conversion from tok to str
[7bf7fb9]	481	}
[4d51835]	482	;
[51b7345]	483
[c11e31c]	484	//*********************** EXPRESSIONS ******************************
[51b7345]	485
	486	primary_expression:
[4d51835]	487	IDENTIFIER // typedef name cannot be used as a variable name
[d1625f8]	488	{ $$ = new ExpressionNode( build_varref( $1 ) ); }
[5b2edbc]	489	\| quasi_keyword
	490	{ $$ = new ExpressionNode( build_varref( $1 ) ); }
[1b29996]	491	\| tuple
[4d51835]	492	\| '(' comma_expression ')'
	493	{ $$ = $2; }
	494	\| '(' compound_statement ')' // GCC, lambda expression
[513e165]	495	{ $$ = new ExpressionNode( new StmtExpr( dynamic_cast< CompoundStmt * >(maybeMoveBuild< Statement >($2) ) ) ); }
[7e419e7]	496	\| constant '`' IDENTIFIER // CFA, postfix call
[dc7db63]	497	{ $$ = new ExpressionNode( build_func( new ExpressionNode( build_postfix_name( $3 ) ), $1 ) ); }
[7e419e7]	498	\| string_literal '`' IDENTIFIER // CFA, postfix call
[dc7db63]	499	{ $$ = new ExpressionNode( build_func( new ExpressionNode( build_postfix_name( $3 ) ), new ExpressionNode( $1 ) ) ); }
[7e419e7]	500	\| IDENTIFIER '`' IDENTIFIER // CFA, postfix call
[dc7db63]	501	{ $$ = new ExpressionNode( build_func( new ExpressionNode( build_postfix_name( $3 ) ), new ExpressionNode( build_varref( $1 ) ) ) ); }
[7e419e7]	502	\| tuple '`' IDENTIFIER // CFA, postfix call
[dc7db63]	503	{ $$ = new ExpressionNode( build_func( new ExpressionNode( build_postfix_name( $3 ) ), $1 ) ); }
[7e419e7]	504	\| '(' comma_expression ')' '`' IDENTIFIER // CFA, postfix call
[dc7db63]	505	{ $$ = new ExpressionNode( build_func( new ExpressionNode( build_postfix_name( $5 ) ), $2 ) ); }
[84d58c5]	506	\| type_name '.' no_attr_identifier // CFA, nested type
[203c667]	507	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[7fdb94e]	508	\| type_name '.' '[' field_list ']' // CFA, nested type / tuple field selector
[203c667]	509	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[24c3b67]	510	\| GENERIC '(' assignment_expression ',' generic_assoc_list ')' // C11
[d807ca28]	511	{
	512	// add the missing control expression to the GenericExpr and return it
	513	$5->control = maybeMoveBuild<Expression>( $3 );
	514	$$ = new ExpressionNode( $5 );
	515	}
[24c3b67]	516	;
	517
	518	generic_assoc_list: // C11
[d807ca28]	519	generic_association
[24c3b67]	520	\| generic_assoc_list ',' generic_association
[d807ca28]	521	{
	522	// steal the association node from the singleton and delete the wrapper
	523	$1->associations.splice($1->associations.end(), $3->associations);
	524	delete $3;
	525	$$ = $1;
	526	}
[24c3b67]	527	;
	528
	529	generic_association: // C11
	530	type_no_function ':' assignment_expression
[d807ca28]	531	{
	532	// create a GenericExpr wrapper with one association pair
	533	$$ = new GenericExpr( nullptr, { { maybeMoveBuildType($1), maybeMoveBuild<Expression>($3) } } );
	534	}
[24c3b67]	535	\| DEFAULT ':' assignment_expression
[d807ca28]	536	{ $$ = new GenericExpr( nullptr, { { maybeMoveBuild<Expression>($3) } } ); }
[4d51835]	537	;
[51b7345]	538
	539	postfix_expression:
[4d51835]	540	primary_expression
[7fdb94e]	541	\| postfix_expression '[' assignment_expression ']'
[c6b1105]	542	// CFA, comma_expression disallowed in this context because it results in a common user error: subscripting a
[de62360d]	543	// matrix with x[i,j] instead of x[i][j]. While this change is not backwards compatible, there seems to be
	544	// little advantage to this feature and many disadvantages. It is possible to write x[(i,j)] in CFA, which is
	545	// equivalent to the old x[i,j].
[7fdb94e]	546	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Index, $1, $3 ) ); }
[bd3d9e4]	547	\| postfix_expression '{' argument_expression_list '}' // CFA, constructor call
	548	{
	549	Token fn;
	550	fn.str = new std::string( "?{}" ); // location undefined - use location of '{'?
	551	$$ = new ExpressionNode( new ConstructorExpr( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $1 )->set_last( $3 ) ) ) );
	552	}
[4d51835]	553	\| postfix_expression '(' argument_expression_list ')'
[d1625f8]	554	{ $$ = new ExpressionNode( build_func( $1, $3 ) ); }
[4d51835]	555	\| postfix_expression '.' no_attr_identifier
[d1625f8]	556	{ $$ = new ExpressionNode( build_fieldSel( $1, build_varref( $3 ) ) ); }
[df22130]	557	\| postfix_expression '.' INTEGERconstant // CFA, tuple index
	558	{ $$ = new ExpressionNode( build_fieldSel( $1, build_constantInteger( *$3 ) ) ); }
[930f69e]	559	\| postfix_expression FLOATING_FRACTIONconstant // CFA, tuple index
	560	{ $$ = new ExpressionNode( build_fieldSel( $1, build_field_name_FLOATING_FRACTIONconstant( *$2 ) ) ); }
[7fdb94e]	561	\| postfix_expression '.' '[' field_list ']' // CFA, tuple field selector
	562	{ $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $4 ) ) ); }
[4d51835]	563	\| postfix_expression ARROW no_attr_identifier
[861799c]	564	{
	565	$$ = new ExpressionNode( build_pfieldSel( $1, $3 == "0" \|\| $3 == "1" ? build_constantInteger( *$3 ) : build_varref( $3 ) ) );
	566	}
	567	\| postfix_expression ARROW INTEGERconstant // CFA, tuple index
	568	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_constantInteger( *$3 ) ) ); }
[7fdb94e]	569	\| postfix_expression ARROW '[' field_list ']' // CFA, tuple field selector
	570	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $4 ) ) ); }
[4d51835]	571	\| postfix_expression ICR
[d1625f8]	572	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::IncrPost, $1 ) ); }
[4d51835]	573	\| postfix_expression DECR
[d1625f8]	574	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::DecrPost, $1 ) ); }
[7fdb94e]	575	\| '(' type_no_function ')' '{' initializer_list_opt comma_opt '}' // C99, compound-literal
[d1625f8]	576	{ $$ = new ExpressionNode( build_compoundLiteral( $2, new InitializerNode( $5, true ) ) ); }
[7fdb94e]	577	\| '(' type_no_function ')' '@' '{' initializer_list_opt comma_opt '}' // CFA, explicit C compound-literal
[f810e09]	578	{ $$ = new ExpressionNode( build_compoundLiteral( $2, (new InitializerNode( $6, true ))->set_maybeConstructed( false ) ) ); }
[ecb27a7]	579	\| '^' primary_expression '{' argument_expression_list '}' // CFA
[097e2b0]	580	{
[9706554]	581	Token fn;
[ecb27a7]	582	fn.str = new string( "^?{}" ); // location undefined
	583	$$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $2 )->set_last( $4 ) ) );
[097e2b0]	584	}
[4d51835]	585	;
[51b7345]	586
	587	argument_expression_list:
[4d51835]	588	argument_expression
	589	\| argument_expression_list ',' argument_expression
[1d4580a]	590	{ $$ = (ExpressionNode *)( $1->set_last( $3 )); }
[4d51835]	591	;
[51b7345]	592
	593	argument_expression:
[4d51835]	594	// empty
[738e304]	595	{ $$ = nullptr; }
	596	// \| '@' // use default argument
	597	// { $$ = new ExpressionNode( build_constantInteger( *new string( "2" ) ) ); }
[4d51835]	598	\| assignment_expression
	599	;
[b87a5ed]	600
	601	field_list: // CFA, tuple field selector
[4d51835]	602	field
[1d4580a]	603	\| field_list ',' field { $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	604	;
[b87a5ed]	605
	606	field: // CFA, tuple field selector
[faddbd8]	607	field_name
[930f69e]	608	\| FLOATING_DECIMALconstant field
	609	{ $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( *$1 ) ), maybeMoveBuild<Expression>( $2 ) ) ); }
[7fdb94e]	610	\| FLOATING_DECIMALconstant '[' field_list ']'
	611	{ $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( *$1 ) ), build_tuple( $3 ) ) ); }
[faddbd8]	612	\| field_name '.' field
[bf32bb8]	613	{ $$ = new ExpressionNode( build_fieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
[7fdb94e]	614	\| field_name '.' '[' field_list ']'
	615	{ $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $4 ) ) ); }
[faddbd8]	616	\| field_name ARROW field
[bf32bb8]	617	{ $$ = new ExpressionNode( build_pfieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
[7fdb94e]	618	\| field_name ARROW '[' field_list ']'
	619	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $4 ) ) ); }
[4d51835]	620	;
[51b7345]	621
[faddbd8]	622	field_name:
[df22130]	623	INTEGERconstant fraction_constants_opt
[8780e30]	624	{ $$ = new ExpressionNode( build_field_name_fraction_constants( build_constantInteger( *$1 ), $2 ) ); }
[df22130]	625	\| FLOATINGconstant fraction_constants_opt
[8780e30]	626	{ $$ = new ExpressionNode( build_field_name_fraction_constants( build_field_name_FLOATINGconstant( *$1 ), $2 ) ); }
[df22130]	627	\| no_attr_identifier fraction_constants_opt
[4cb935e]	628	{
[84d58c5]	629	$$ = new ExpressionNode( build_field_name_fraction_constants( build_varref( $1 ), $2 ) );
	630	}
[1b29996]	631	;
	632
[df22130]	633	fraction_constants_opt:
[1b29996]	634	// empty
[8780e30]	635	{ $$ = nullptr; }
[df22130]	636	\| fraction_constants_opt FLOATING_FRACTIONconstant
[8780e30]	637	{
[930f69e]	638	Expression * constant = build_field_name_FLOATING_FRACTIONconstant( *$2 );
[8780e30]	639	$$ = $1 != nullptr ? new ExpressionNode( build_fieldSel( $1, constant ) ) : new ExpressionNode( constant );
	640	}
[faddbd8]	641	;
	642
[51b7345]	643	unary_expression:
[4d51835]	644	postfix_expression
[c6b1105]	645	// first location where constant/string can have operator applied: sizeof 3/sizeof "abc" still requires
	646	// semantics checks, e.g., ++3, 3--, *3, &&3
[51b1202]	647	\| constant
[ab57786]	648	\| string_literal
[d1625f8]	649	{ $$ = new ExpressionNode( $1 ); }
[4d51835]	650	\| EXTENSION cast_expression // GCC
[e04ef3a]	651	{ $$ = $2->set_extension( true ); }
[c6b1105]	652	// '*' ('&') is separated from unary_operator because of shift/reduce conflict in:
	653	// { * X; } // dereference X
	654	// { * int X; } // CFA declaration of pointer to int
[51e076e]	655	\| ptrref_operator cast_expression // CFA
[9706554]	656	{
	657	switch ( $1 ) {
[d9e2280]	658	case OperKinds::AddressOf:
[db70fe4]	659	$$ = new ExpressionNode( new AddressExpr( maybeMoveBuild< Expression >( $2 ) ) );
[9706554]	660	break;
[d9e2280]	661	case OperKinds::PointTo:
[d1625f8]	662	$$ = new ExpressionNode( build_unary_val( $1, $2 ) );
[9706554]	663	break;
[5809461]	664	case OperKinds::And:
[db70fe4]	665	$$ = new ExpressionNode( new AddressExpr( new AddressExpr( maybeMoveBuild< Expression >( $2 ) ) ) );
[5809461]	666	break;
[9706554]	667	default:
	668	assert( false );
	669	}
	670	}
[4d51835]	671	\| unary_operator cast_expression
[d1625f8]	672	{ $$ = new ExpressionNode( build_unary_val( $1, $2 ) ); }
[dd51906]	673	\| ICR unary_expression
[d1625f8]	674	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::Incr, $2 ) ); }
[dd51906]	675	\| DECR unary_expression
[d1625f8]	676	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::Decr, $2 ) ); }
[4d51835]	677	\| SIZEOF unary_expression
[db70fe4]	678	{ $$ = new ExpressionNode( new SizeofExpr( maybeMoveBuild< Expression >( $2 ) ) ); }
[84d58c5]	679	\| SIZEOF '(' type_no_function ')'
[db70fe4]	680	{ $$ = new ExpressionNode( new SizeofExpr( maybeMoveBuildType( $3 ) ) ); }
[d1625f8]	681	\| ALIGNOF unary_expression // GCC, variable alignment
[db70fe4]	682	{ $$ = new ExpressionNode( new AlignofExpr( maybeMoveBuild< Expression >( $2 ) ) ); }
[a2e0687]	683	\| ALIGNOF '(' type_no_function ')' // GCC, type alignment
[db70fe4]	684	{ $$ = new ExpressionNode( new AlignofExpr( maybeMoveBuildType( $3 ) ) ); }
[84d58c5]	685	\| OFFSETOF '(' type_no_function ',' no_attr_identifier ')'
[d1625f8]	686	{ $$ = new ExpressionNode( build_offsetOf( $3, build_varref( $5 ) ) ); }
[4d51835]	687	\| ATTR_IDENTIFIER
[db70fe4]	688	{ $$ = new ExpressionNode( new AttrExpr( build_varref( $1 ), maybeMoveBuild< Expression >( (ExpressionNode *)nullptr ) ) ); }
[4d51835]	689	\| ATTR_IDENTIFIER '(' argument_expression ')'
[db70fe4]	690	{ $$ = new ExpressionNode( new AttrExpr( build_varref( $1 ), maybeMoveBuild< Expression >( $3 ) ) ); }
[84d58c5]	691	\| ATTR_IDENTIFIER '(' type ')'
[db70fe4]	692	{ $$ = new ExpressionNode( new AttrExpr( build_varref( $1 ), maybeMoveBuildType( $3 ) ) ); }
[4d51835]	693	;
[51b7345]	694
[dd51906]	695	ptrref_operator:
[d9e2280]	696	'*' { $$ = OperKinds::PointTo; }
	697	\| '&' { $$ = OperKinds::AddressOf; }
[c6b1105]	698	// GCC, address of label must be handled by semantic check for ref,ref,label
[9f07232]	699	\| ANDAND { $$ = OperKinds::And; }
[dd51906]	700	;
	701
[51b7345]	702	unary_operator:
[d9e2280]	703	'+' { $$ = OperKinds::UnPlus; }
	704	\| '-' { $$ = OperKinds::UnMinus; }
	705	\| '!' { $$ = OperKinds::Neg; }
	706	\| '~' { $$ = OperKinds::BitNeg; }
[4d51835]	707	;
[51b7345]	708
	709	cast_expression:
[4d51835]	710	unary_expression
[84d58c5]	711	\| '(' type_no_function ')' cast_expression
[d1625f8]	712	{ $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
[fae90d5]	713	\| '(' COROUTINE '&' ')' cast_expression // CFA
[9a705dc8]	714	{ $$ = new ExpressionNode( build_keyword_cast( KeywordCastExpr::Coroutine, $5 ) ); }
[fae90d5]	715	\| '(' THREAD '&' ')' cast_expression // CFA
[9a705dc8]	716	{ $$ = new ExpressionNode( build_keyword_cast( KeywordCastExpr::Thread, $5 ) ); }
[fae90d5]	717	\| '(' MONITOR '&' ')' cast_expression // CFA
[9a705dc8]	718	{ $$ = new ExpressionNode( build_keyword_cast( KeywordCastExpr::Monitor, $5 ) ); }
[72457b6]	719	// VIRTUAL cannot be opt because of look ahead issues
[fae90d5]	720	\| '(' VIRTUAL ')' cast_expression // CFA
[513e165]	721	{ $$ = new ExpressionNode( new VirtualCastExpr( maybeMoveBuild< Expression >( $4 ), maybeMoveBuildType( nullptr ) ) ); }
[fae90d5]	722	\| '(' VIRTUAL type_no_function ')' cast_expression // CFA
[513e165]	723	{ $$ = new ExpressionNode( new VirtualCastExpr( maybeMoveBuild< Expression >( $5 ), maybeMoveBuildType( $3 ) ) ); }
[84d58c5]	724	// \| '(' type_no_function ')' tuple
[1b29996]	725	// { $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
[4d51835]	726	;
[51b7345]	727
[994d080]	728	exponential_expression:
[4d51835]	729	cast_expression
[994d080]	730	\| exponential_expression '\\' cast_expression
[e5f2a67]	731	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Exp, $1, $3 ) ); }
[994d080]	732	;
	733
	734	multiplicative_expression:
	735	exponential_expression
	736	\| multiplicative_expression '*' exponential_expression
[d1625f8]	737	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Mul, $1, $3 ) ); }
[994d080]	738	\| multiplicative_expression '/' exponential_expression
[d1625f8]	739	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Div, $1, $3 ) ); }
[994d080]	740	\| multiplicative_expression '%' exponential_expression
[d1625f8]	741	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Mod, $1, $3 ) ); }
[4d51835]	742	;
[51b7345]	743
	744	additive_expression:
[4d51835]	745	multiplicative_expression
	746	\| additive_expression '+' multiplicative_expression
[d1625f8]	747	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Plus, $1, $3 ) ); }
[4d51835]	748	\| additive_expression '-' multiplicative_expression
[d1625f8]	749	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Minus, $1, $3 ) ); }
[4d51835]	750	;
[51b7345]	751
	752	shift_expression:
[4d51835]	753	additive_expression
	754	\| shift_expression LS additive_expression
[d1625f8]	755	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LShift, $1, $3 ) ); }
[4d51835]	756	\| shift_expression RS additive_expression
[d1625f8]	757	{ $$ = new ExpressionNode( build_binary_val( OperKinds::RShift, $1, $3 ) ); }
[4d51835]	758	;
[51b7345]	759
	760	relational_expression:
[4d51835]	761	shift_expression
	762	\| relational_expression '<' shift_expression
[d1625f8]	763	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LThan, $1, $3 ) ); }
[4d51835]	764	\| relational_expression '>' shift_expression
[d1625f8]	765	{ $$ = new ExpressionNode( build_binary_val( OperKinds::GThan, $1, $3 ) ); }
[4d51835]	766	\| relational_expression LE shift_expression
[d1625f8]	767	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LEThan, $1, $3 ) ); }
[4d51835]	768	\| relational_expression GE shift_expression
[d1625f8]	769	{ $$ = new ExpressionNode( build_binary_val( OperKinds::GEThan, $1, $3 ) ); }
[4d51835]	770	;
[51b7345]	771
	772	equality_expression:
[4d51835]	773	relational_expression
	774	\| equality_expression EQ relational_expression
[d1625f8]	775	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Eq, $1, $3 ) ); }
[4d51835]	776	\| equality_expression NE relational_expression
[d1625f8]	777	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Neq, $1, $3 ) ); }
[4d51835]	778	;
[51b7345]	779
	780	AND_expression:
[4d51835]	781	equality_expression
	782	\| AND_expression '&' equality_expression
[d1625f8]	783	{ $$ = new ExpressionNode( build_binary_val( OperKinds::BitAnd, $1, $3 ) ); }
[4d51835]	784	;
[51b7345]	785
	786	exclusive_OR_expression:
[4d51835]	787	AND_expression
	788	\| exclusive_OR_expression '^' AND_expression
[d1625f8]	789	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Xor, $1, $3 ) ); }
[4d51835]	790	;
[51b7345]	791
	792	inclusive_OR_expression:
[4d51835]	793	exclusive_OR_expression
	794	\| inclusive_OR_expression '\|' exclusive_OR_expression
[d1625f8]	795	{ $$ = new ExpressionNode( build_binary_val( OperKinds::BitOr, $1, $3 ) ); }
[4d51835]	796	;
[51b7345]	797
	798	logical_AND_expression:
[4d51835]	799	inclusive_OR_expression
	800	\| logical_AND_expression ANDAND inclusive_OR_expression
[d1625f8]	801	{ $$ = new ExpressionNode( build_and_or( $1, $3, true ) ); }
[4d51835]	802	;
[51b7345]	803
	804	logical_OR_expression:
[4d51835]	805	logical_AND_expression
	806	\| logical_OR_expression OROR logical_AND_expression
[d1625f8]	807	{ $$ = new ExpressionNode( build_and_or( $1, $3, false ) ); }
[4d51835]	808	;
[51b7345]	809
	810	conditional_expression:
[4d51835]	811	logical_OR_expression
	812	\| logical_OR_expression '?' comma_expression ':' conditional_expression
[d1625f8]	813	{ $$ = new ExpressionNode( build_cond( $1, $3, $5 ) ); }
[fae90d5]	814	// FIX ME: computes $1 twice
[4d51835]	815	\| logical_OR_expression '?' /* empty */ ':' conditional_expression // GCC, omitted first operand
[d1625f8]	816	{ $$ = new ExpressionNode( build_cond( $1, $1, $4 ) ); }
[4d51835]	817	;
[51b7345]	818
	819	constant_expression:
[4d51835]	820	conditional_expression
	821	;
[51b7345]	822
	823	assignment_expression:
[4d51835]	824	// CFA, assignment is separated from assignment_operator to ensure no assignment operations for tuples
	825	conditional_expression
	826	\| unary_expression assignment_operator assignment_expression
[cda7889]	827	{ $$ = new ExpressionNode( build_binary_val( $2, $1, $3 ) ); }
[7fdb94e]	828	\| unary_expression '=' '{' initializer_list_opt comma_opt '}'
[fae90d5]	829	{ SemanticError( yylloc, "Initializer assignment is currently unimplemented." ); $$ = nullptr; }
[4d51835]	830	;
[51b7345]	831
	832	assignment_expression_opt:
[4d51835]	833	// empty
[d1625f8]	834	{ $$ = nullptr; }
[4d51835]	835	\| assignment_expression
	836	;
[b87a5ed]	837
[9706554]	838	assignment_operator:
[d9e2280]	839	'=' { $$ = OperKinds::Assign; }
[a839867]	840	\| ATassign { $$ = OperKinds::AtAssn; }
[e5f2a67]	841	\| EXPassign { $$ = OperKinds::ExpAssn; }
[d9e2280]	842	\| MULTassign { $$ = OperKinds::MulAssn; }
	843	\| DIVassign { $$ = OperKinds::DivAssn; }
	844	\| MODassign { $$ = OperKinds::ModAssn; }
	845	\| PLUSassign { $$ = OperKinds::PlusAssn; }
	846	\| MINUSassign { $$ = OperKinds::MinusAssn; }
	847	\| LSassign { $$ = OperKinds::LSAssn; }
	848	\| RSassign { $$ = OperKinds::RSAssn; }
	849	\| ANDassign { $$ = OperKinds::AndAssn; }
	850	\| ERassign { $$ = OperKinds::ERAssn; }
	851	\| ORassign { $$ = OperKinds::OrAssn; }
[413ad05]	852	;
[9706554]	853
[b87a5ed]	854	tuple: // CFA, tuple
[de62360d]	855	// CFA, one assignment_expression is factored out of comma_expression to eliminate a shift/reduce conflict with
[c0aa336]	856	// comma_expression in cfa_identifier_parameter_array and cfa_abstract_array
[1b29996]	857	// '[' ']'
	858	// { $$ = new ExpressionNode( build_tuple() ); }
[13e8427]	859	// \| '[' push assignment_expression pop ']'
[1b29996]	860	// { $$ = new ExpressionNode( build_tuple( $3 ) ); }
[17238fd]	861	'[' ',' tuple_expression_list ']'
	862	{ $$ = new ExpressionNode( build_tuple( (ExpressionNode *)(new ExpressionNode( nullptr ) )->set_last( $3 ) ) ); }
	863	\| '[' push assignment_expression pop ',' tuple_expression_list ']'
	864	{ $$ = new ExpressionNode( build_tuple( (ExpressionNode *)$3->set_last( $6 ) ) ); }
[4d51835]	865	;
[51b7345]	866
	867	tuple_expression_list:
[4d51835]	868	assignment_expression_opt
	869	\| tuple_expression_list ',' assignment_expression_opt
[1d4580a]	870	{ $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	871	;
[51b7345]	872
	873	comma_expression:
[4d51835]	874	assignment_expression
[9706554]	875	\| comma_expression ',' assignment_expression
[513e165]	876	{ $$ = new ExpressionNode( new CommaExpr( maybeMoveBuild< Expression >( $1 ), maybeMoveBuild< Expression >( $3 ) ) ); }
[4d51835]	877	;
[51b7345]	878
	879	comma_expression_opt:
[4d51835]	880	// empty
[58dd019]	881	{ $$ = nullptr; }
[4d51835]	882	\| comma_expression
	883	;
[51b7345]	884
[c11e31c]	885	//************************* STATEMENTS *****************************
[51b7345]	886
	887	statement:
[4d51835]	888	labeled_statement
	889	\| compound_statement
[c0a33d2]	890	\| expression_statement
[4d51835]	891	\| selection_statement
	892	\| iteration_statement
	893	\| jump_statement
[8b47e50]	894	\| with_statement
[b6b3c42]	895	\| mutex_statement
[5b2edbc]	896	\| waitfor_statement
[4d51835]	897	\| exception_statement
[2a8427c6]	898	\| enable_disable_statement
[fae90d5]	899	{ SemanticError( yylloc, "enable/disable statement is currently unimplemented." ); $$ = nullptr; }
[4d51835]	900	\| asm_statement
[61fc4f6]	901	\| DIRECTIVE
[6d539f83]	902	{ $$ = new StatementNode( build_directive( $1 ) ); }
[b9be000b]	903	;
[51b7345]	904
	905	labeled_statement:
[44a81853]	906	// labels cannot be identifiers 0 or 1 or ATTR_IDENTIFIER
	907	identifier_or_type_name ':' attribute_list_opt statement
[1db21619]	908	{
[44a81853]	909	$$ = $4->add_label( $1, $3 );
[1db21619]	910	}
[4d51835]	911	;
[51b7345]	912
	913	compound_statement:
[4d51835]	914	'{' '}'
[e82aa9df]	915	{ $$ = new StatementNode( build_compound( (StatementNode *)0 ) ); }
[35718a9]	916	\| '{' push
[51b1202]	917	local_label_declaration_opt // GCC, local labels
[9bd6105]	918	statement_decl_list // C99, intermix declarations and statements
[c0aa336]	919	pop '}'
[35718a9]	920	{ $$ = new StatementNode( build_compound( $4 ) ); }
[4d51835]	921	;
[b87a5ed]	922
[9bd6105]	923	statement_decl_list: // C99
	924	statement_decl
[35718a9]	925	\| statement_decl_list statement_decl
	926	{ if ( $1 != 0 ) { $1->set_last( $2 ); $$ = $1; } }
[4d51835]	927	;
[51b7345]	928
[9bd6105]	929	statement_decl:
[4d51835]	930	declaration // CFA, new & old style declarations
[e82aa9df]	931	{ $$ = new StatementNode( $1 ); }
[4d51835]	932	\| EXTENSION declaration // GCC
[c0aa336]	933	{
	934	distExt( $2 );
[e82aa9df]	935	$$ = new StatementNode( $2 );
[8e9cbb2]	936	}
[4d51835]	937	\| function_definition
[e82aa9df]	938	{ $$ = new StatementNode( $1 ); }
[c0aa336]	939	\| EXTENSION function_definition // GCC
	940	{
	941	distExt( $2 );
	942	$$ = new StatementNode( $2 );
	943	}
[35718a9]	944	\| statement
[4d51835]	945	;
[51b7345]	946
[9bd6105]	947	statement_list_nodecl:
[4d51835]	948	statement
[9bd6105]	949	\| statement_list_nodecl statement
[1d4580a]	950	{ if ( $1 != 0 ) { $1->set_last( $2 ); $$ = $1; } }
[4d51835]	951	;
[51b7345]	952
	953	expression_statement:
[4d51835]	954	comma_expression_opt ';'
[e82aa9df]	955	{ $$ = new StatementNode( build_expr( $1 ) ); }
[4d51835]	956	;
[51b7345]	957
	958	selection_statement:
[3d26610]	959	// pop causes a S/R conflict without separating the IF statement into a non-terminal even after resolving
	960	// the inherent S/R conflict with THEN/ELSE.
	961	push if_statement pop
	962	{ $$ = $2; }
[4cc585b]	963	\| SWITCH '(' comma_expression ')' case_clause
[6a276a0]	964	{ $$ = new StatementNode( build_switch( true, $3, $5 ) ); }
[35718a9]	965	\| SWITCH '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
[4e06c1e]	966	{
[6a276a0]	967	StatementNode *sw = new StatementNode( build_switch( true, $3, $8 ) );
[4e06c1e]	968	// The semantics of the declaration list is changed to include associated initialization, which is performed
	969	// before the transfer to the appropriate case clause by hoisting the declarations into a compound
	970	// statement around the switch. Statements after the initial declaration list can never be executed, and
[8688ce1]	971	// therefore, are removed from the grammar even though C allows it. The change also applies to choose
	972	// statement.
[a7741435]	973	$$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
[4e06c1e]	974	}
[4d51835]	975	\| CHOOSE '(' comma_expression ')' case_clause // CFA
[6a276a0]	976	{ $$ = new StatementNode( build_switch( false, $3, $5 ) ); }
[35718a9]	977	\| CHOOSE '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
[4e06c1e]	978	{
[6a276a0]	979	StatementNode *sw = new StatementNode( build_switch( false, $3, $8 ) );
[a7741435]	980	$$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
[4e06c1e]	981	}
[4d51835]	982	;
[b87a5ed]	983
[3d26610]	984	if_statement:
	985	IF '(' if_control_expression ')' statement %prec THEN
	986	// explicitly deal with the shift/reduce conflict on if/else
	987	{ $$ = new StatementNode( build_if( $3, $5, nullptr ) ); }
	988	\| IF '(' if_control_expression ')' statement ELSE statement
	989	{ $$ = new StatementNode( build_if( $3, $5, $7 ) ); }
	990	;
	991
[936e9f4]	992	if_control_expression:
[35718a9]	993	comma_expression
[936e9f4]	994	{ $$ = new IfCtl( nullptr, $1 ); }
[35718a9]	995	\| c_declaration // no semi-colon
[936e9f4]	996	{ $$ = new IfCtl( $1, nullptr ); }
[35718a9]	997	\| cfa_declaration // no semi-colon
[936e9f4]	998	{ $$ = new IfCtl( $1, nullptr ); }
[6d49ea3]	999	\| declaration comma_expression // semi-colon separated
[936e9f4]	1000	{ $$ = new IfCtl( $1, $2 ); }
	1001	;
	1002
[de62360d]	1003	// CASE and DEFAULT clauses are only allowed in the SWITCH statement, precluding Duff's device. In addition, a case
	1004	// clause allows a list of values and subranges.
[b87a5ed]	1005
	1006	case_value: // CFA
[4d51835]	1007	constant_expression { $$ = $1; }
	1008	\| constant_expression ELLIPSIS constant_expression // GCC, subrange
[db70fe4]	1009	{ $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild< Expression >( $1 ), maybeMoveBuild< Expression >( $3 ) ) ); }
[4d51835]	1010	\| subrange // CFA, subrange
	1011	;
[b87a5ed]	1012
	1013	case_value_list: // CFA
[e82aa9df]	1014	case_value { $$ = new StatementNode( build_case( $1 ) ); }
[064e3ff]	1015	// convert case list, e.g., "case 1, 3, 5:" into "case 1: case 3: case 5"
[e82aa9df]	1016	\| case_value_list ',' case_value { $$ = (StatementNode *)($1->set_last( new StatementNode( build_case( $3 ) ) ) ); }
[4d51835]	1017	;
[b87a5ed]	1018
	1019	case_label: // CFA
[8688ce1]	1020	CASE case_value_list ':' { $$ = $2; }
[e82aa9df]	1021	\| DEFAULT ':' { $$ = new StatementNode( build_default() ); }
[4d51835]	1022	// A semantic check is required to ensure only one default clause per switch/choose statement.
	1023	;
[b87a5ed]	1024
[6a276a0]	1025	//label_list_opt:
	1026	// // empty
	1027	// \| identifier_or_type_name ':'
	1028	// \| label_list_opt identifier_or_type_name ':'
	1029	// ;
	1030
[b87a5ed]	1031	case_label_list: // CFA
[4d51835]	1032	case_label
[1d4580a]	1033	\| case_label_list case_label { $$ = (StatementNode *)( $1->set_last( $2 )); }
[4d51835]	1034	;
[b87a5ed]	1035
	1036	case_clause: // CFA
[e82aa9df]	1037	case_label_list statement { $$ = $1->append_last_case( new StatementNode( build_compound( $2 ) ) ); }
[4d51835]	1038	;
[b87a5ed]	1039
	1040	switch_clause_list_opt: // CFA
[4d51835]	1041	// empty
[58dd019]	1042	{ $$ = nullptr; }
[4d51835]	1043	\| switch_clause_list
	1044	;
[b87a5ed]	1045
	1046	switch_clause_list: // CFA
[9bd6105]	1047	case_label_list statement_list_nodecl
[e82aa9df]	1048	{ $$ = $1->append_last_case( new StatementNode( build_compound( $2 ) ) ); }
[9bd6105]	1049	\| switch_clause_list case_label_list statement_list_nodecl
[e82aa9df]	1050	{ $$ = (StatementNode *)( $1->set_last( $2->append_last_case( new StatementNode( build_compound( $3 ) ) ) ) ); }
[4d51835]	1051	;
[b87a5ed]	1052
[51b7345]	1053	iteration_statement:
[401e61f]	1054	WHILE '(' push if_control_expression ')' statement pop
	1055	{ $$ = new StatementNode( build_while( $4, $6 ) ); }
[4d51835]	1056	\| DO statement WHILE '(' comma_expression ')' ';'
[401e61f]	1057	{ $$ = new StatementNode( build_do_while( $5, $2 ) ); }
[35718a9]	1058	\| FOR '(' push for_control_expression ')' statement pop
[e82aa9df]	1059	{ $$ = new StatementNode( build_for( $4, $6 ) ); }
[4d51835]	1060	;
[51b7345]	1061
	1062	for_control_expression:
[35718a9]	1063	comma_expression_opt ';' comma_expression_opt ';' comma_expression_opt
	1064	{ $$ = new ForCtl( $1, $3, $5 ); }
[4d51835]	1065	\| declaration comma_expression_opt ';' comma_expression_opt // C99
[2f22cc4]	1066	{ $$ = new ForCtl( $1, $2, $4 ); }
[d1625f8]	1067	;
[51b7345]	1068
	1069	jump_statement:
[44a81853]	1070	GOTO identifier_or_type_name ';'
[ab57786]	1071	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Goto ) ); }
[4d51835]	1072	\| GOTO '*' comma_expression ';' // GCC, computed goto
[4e06c1e]	1073	// The syntax for the GCC computed goto violates normal expression precedence, e.g., goto i+3; => goto (i+3);
[de62360d]	1074	// whereas normal operator precedence yields goto (*i)+3;
[e82aa9df]	1075	{ $$ = new StatementNode( build_computedgoto( $3 ) ); }
[6a276a0]	1076	// A semantic check is required to ensure fallthru appears only in the body of a choose statement.
	1077	\| fall_through_name ';' // CFA
	1078	{ $$ = new StatementNode( build_branch( BranchStmt::FallThrough ) ); }
	1079	\| fall_through_name identifier_or_type_name ';' // CFA
	1080	{ $$ = new StatementNode( build_branch( $2, BranchStmt::FallThrough ) ); }
	1081	\| fall_through_name DEFAULT ';' // CFA
	1082	{ $$ = new StatementNode( build_branch( BranchStmt::FallThroughDefault ) ); }
[4d51835]	1083	\| CONTINUE ';'
[de62360d]	1084	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[ab57786]	1085	{ $$ = new StatementNode( build_branch( BranchStmt::Continue ) ); }
[44a81853]	1086	\| CONTINUE identifier_or_type_name ';' // CFA, multi-level continue
[de62360d]	1087	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	1088	// the target of the transfer appears only at the start of an iteration statement.
[ab57786]	1089	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Continue ) ); }
[4d51835]	1090	\| BREAK ';'
[de62360d]	1091	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[ab57786]	1092	{ $$ = new StatementNode( build_branch( BranchStmt::Break ) ); }
[44a81853]	1093	\| BREAK identifier_or_type_name ';' // CFA, multi-level exit
[de62360d]	1094	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	1095	// the target of the transfer appears only at the start of an iteration statement.
[ab57786]	1096	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Break ) ); }
[4d51835]	1097	\| RETURN comma_expression_opt ';'
[e82aa9df]	1098	{ $$ = new StatementNode( build_return( $2 ) ); }
[7fdb94e]	1099	\| RETURN '{' initializer_list_opt comma_opt '}'
[fae90d5]	1100	{ SemanticError( yylloc, "Initializer return is currently unimplemented." ); $$ = nullptr; }
[8cc5cb0]	1101	\| THROW assignment_expression_opt ';' // handles rethrow
[e82aa9df]	1102	{ $$ = new StatementNode( build_throw( $2 ) ); }
[8cc5cb0]	1103	\| THROWRESUME assignment_expression_opt ';' // handles reresume
[daf1af8]	1104	{ $$ = new StatementNode( build_resume( $2 ) ); }
[8cc5cb0]	1105	\| THROWRESUME assignment_expression_opt AT assignment_expression ';' // handles reresume
[daf1af8]	1106	{ $$ = new StatementNode( build_resume_at( $2, $4 ) ); }
[4d51835]	1107	;
[51b7345]	1108
[6a276a0]	1109	fall_through_name: // CFA
	1110	FALLTHRU
	1111	\| FALLTHROUGH
	1112	;
	1113
[8b47e50]	1114	with_statement:
[5b2edbc]	1115	WITH '(' tuple_expression_list ')' statement
[a378ca7]	1116	{
	1117	$$ = new StatementNode( build_with( $3, $5 ) );
	1118	}
[5b2edbc]	1119	;
	1120
[b6b3c42]	1121	// If MUTEX becomes a general qualifier, there are shift/reduce conflicts, so change syntax to "with mutex".
	1122	mutex_statement:
	1123	MUTEX '(' argument_expression_list ')' statement
[fae90d5]	1124	{ SemanticError( yylloc, "Mutex statement is currently unimplemented." ); $$ = nullptr; }
[b6b3c42]	1125	;
	1126
[51d6d6a]	1127	when_clause:
[6a276a0]	1128	WHEN '(' comma_expression ')' { $$ = $3; }
[51d6d6a]	1129	;
	1130
[5b2edbc]	1131	when_clause_opt:
	1132	// empty
[135b431]	1133	{ $$ = nullptr; }
[51d6d6a]	1134	\| when_clause
[5b2edbc]	1135	;
	1136
	1137	waitfor:
	1138	WAITFOR '(' identifier ')'
[135b431]	1139	{
	1140	$$ = new ExpressionNode( new NameExpr( *$3 ) );
	1141	delete $3;
	1142	}
[5b2edbc]	1143	\| WAITFOR '(' identifier ',' argument_expression_list ')'
[135b431]	1144	{
	1145	$$ = new ExpressionNode( new NameExpr( *$3 ) );
	1146	$$->set_last( $5 );
	1147	delete $3;
	1148	}
[5b2edbc]	1149	;
	1150
	1151	timeout:
[6a276a0]	1152	TIMEOUT '(' comma_expression ')' { $$ = $3; }
[5b2edbc]	1153	;
	1154
	1155	waitfor_clause:
[51d6d6a]	1156	when_clause_opt waitfor statement %prec THEN
[135b431]	1157	{ $$ = build_waitfor( $2, $3, $1 ); }
[5b2edbc]	1158	\| when_clause_opt waitfor statement WOR waitfor_clause
[135b431]	1159	{ $$ = build_waitfor( $2, $3, $1, $5 ); }
[51d6d6a]	1160	\| when_clause_opt timeout statement %prec THEN
[135b431]	1161	{ $$ = build_waitfor_timeout( $2, $3, $1 ); }
[5b2edbc]	1162	\| when_clause_opt ELSE statement
[135b431]	1163	{ $$ = build_waitfor_timeout( nullptr, $3, $1 ); }
[51d6d6a]	1164	// "else" must be conditional after timeout or timeout is never triggered (i.e., it is meaningless)
	1165	\| when_clause_opt timeout statement WOR when_clause ELSE statement
[135b431]	1166	{ $$ = build_waitfor_timeout( $2, $3, $1, $7, $5 ); }
[5b2edbc]	1167	;
	1168
	1169	waitfor_statement:
[51d6d6a]	1170	when_clause_opt waitfor statement %prec THEN
[135b431]	1171	{ $$ = new StatementNode( build_waitfor( $2, $3, $1 ) ); }
[5b2edbc]	1172	\| when_clause_opt waitfor statement WOR waitfor_clause
[135b431]	1173	{ $$ = new StatementNode( build_waitfor( $2, $3, $1, $5 ) ); }
[8b47e50]	1174	;
	1175
[51b7345]	1176	exception_statement:
[cfaabe2c]	1177	TRY compound_statement handler_clause
[e82aa9df]	1178	{ $$ = new StatementNode( build_try( $2, $3, 0 ) ); }
[4d51835]	1179	\| TRY compound_statement finally_clause
[e82aa9df]	1180	{ $$ = new StatementNode( build_try( $2, 0, $3 ) ); }
[cfaabe2c]	1181	\| TRY compound_statement handler_clause finally_clause
[e82aa9df]	1182	{ $$ = new StatementNode( build_try( $2, $3, $4 ) ); }
[4d51835]	1183	;
[51b7345]	1184
	1185	handler_clause:
[3d26610]	1186	handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement pop
	1187	{ $$ = new StatementNode( build_catch( $1, $4, $6, $8 ) ); }
	1188	\| handler_clause handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement pop
	1189	{ $$ = (StatementNode *)$1->set_last( new StatementNode( build_catch( $2, $5, $7, $9 ) ) ); }
[994d080]	1190	;
	1191
	1192	handler_predicate_opt:
[7fdb94e]	1193	// empty
[cbce272]	1194	{ $$ = nullptr; }
[6a276a0]	1195	\| ';' conditional_expression { $$ = $2; }
[307a732]	1196	;
	1197
	1198	handler_key:
[6a276a0]	1199	CATCH { $$ = CatchStmt::Terminate; }
	1200	\| CATCHRESUME { $$ = CatchStmt::Resume; }
[4d51835]	1201	;
[51b7345]	1202
	1203	finally_clause:
[6a276a0]	1204	FINALLY compound_statement { $$ = new StatementNode( build_finally( $2 ) ); }
[4d51835]	1205	;
[51b7345]	1206
	1207	exception_declaration:
[d0ffed1]	1208	// No SUE declaration in parameter list.
	1209	type_specifier_nobody
	1210	\| type_specifier_nobody declarator
[c0a33d2]	1211	{ $$ = $2->addType( $1 ); }
[d0ffed1]	1212	\| type_specifier_nobody variable_abstract_declarator
[4d51835]	1213	{ $$ = $2->addType( $1 ); }
[c0aa336]	1214	\| cfa_abstract_declarator_tuple no_attr_identifier // CFA
[c0a33d2]	1215	{ $$ = $1->addName( $2 ); }
[c0aa336]	1216	\| cfa_abstract_declarator_tuple // CFA
[4d51835]	1217	;
[51b7345]	1218
[2a8427c6]	1219	enable_disable_statement:
	1220	enable_disable_key identifier_list compound_statement
	1221	;
	1222
	1223	enable_disable_key:
	1224	ENABLE
	1225	\| DISABLE
	1226	;
	1227
[51b7345]	1228	asm_statement:
[ab57786]	1229	ASM asm_volatile_opt '(' string_literal ')' ';'
[6d539f83]	1230	{ $$ = new StatementNode( build_asm( $2, $4, 0 ) ); }
[ab57786]	1231	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ')' ';' // remaining GCC
[6d539f83]	1232	{ $$ = new StatementNode( build_asm( $2, $4, $6 ) ); }
[ab57786]	1233	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ')' ';'
[6d539f83]	1234	{ $$ = new StatementNode( build_asm( $2, $4, $6, $8 ) ); }
[ab57786]	1235	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ':' asm_clobbers_list_opt ')' ';'
[6d539f83]	1236	{ $$ = new StatementNode( build_asm( $2, $4, $6, $8, $10 ) ); }
[ab57786]	1237	\| ASM asm_volatile_opt GOTO '(' string_literal ':' ':' asm_operands_opt ':' asm_clobbers_list_opt ':' label_list ')' ';'
[6d539f83]	1238	{ $$ = new StatementNode( build_asm( $2, $5, 0, $8, $10, $12 ) ); }
[7f5566b]	1239	;
	1240
	1241	asm_volatile_opt: // GCC
	1242	// empty
	1243	{ $$ = false; }
	1244	\| VOLATILE
	1245	{ $$ = true; }
[4d51835]	1246	;
[b87a5ed]	1247
	1248	asm_operands_opt: // GCC
[4d51835]	1249	// empty
[58dd019]	1250	{ $$ = nullptr; } // use default argument
[4d51835]	1251	\| asm_operands_list
	1252	;
[b87a5ed]	1253
	1254	asm_operands_list: // GCC
[4d51835]	1255	asm_operand
	1256	\| asm_operands_list ',' asm_operand
[1d4580a]	1257	{ $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	1258	;
[b87a5ed]	1259
	1260	asm_operand: // GCC
[ab57786]	1261	string_literal '(' constant_expression ')'
[513e165]	1262	{ $$ = new ExpressionNode( new AsmExpr( maybeMoveBuild< Expression >( (ExpressionNode *)nullptr ), $1, maybeMoveBuild< Expression >( $3 ) ) ); }
[ab57786]	1263	\| '[' constant_expression ']' string_literal '(' constant_expression ')'
[513e165]	1264	{ $$ = new ExpressionNode( new AsmExpr( maybeMoveBuild< Expression >( $2 ), $4, maybeMoveBuild< Expression >( $6 ) ) ); }
[7f5566b]	1265	;
	1266
[4e06c1e]	1267	asm_clobbers_list_opt: // GCC
[7f5566b]	1268	// empty
[58dd019]	1269	{ $$ = nullptr; } // use default argument
[ab57786]	1270	\| string_literal
[d1625f8]	1271	{ $$ = new ExpressionNode( $1 ); }
[ab57786]	1272	\| asm_clobbers_list_opt ',' string_literal
[513e165]	1273	// set_last returns ParseNode *
[e82aa9df]	1274	{ $$ = (ExpressionNode *)$1->set_last( new ExpressionNode( $3 ) ); }
[4d51835]	1275	;
[b87a5ed]	1276
[7f5566b]	1277	label_list:
	1278	no_attr_identifier
[ab57786]	1279	{
	1280	$$ = new LabelNode(); $$->labels.push_back( *$1 );
	1281	delete $1; // allocated by lexer
	1282	}
[7f5566b]	1283	\| label_list ',' no_attr_identifier
[ab57786]	1284	{
	1285	$$ = $1; $1->labels.push_back( *$3 );
	1286	delete $3; // allocated by lexer
	1287	}
[4d51835]	1288	;
[51b7345]	1289
[c11e31c]	1290	//***************************** DECLARATIONS *******************************
[51b7345]	1291
[b87a5ed]	1292	declaration_list_opt: // used at beginning of switch statement
[35718a9]	1293	// empty
[58dd019]	1294	{ $$ = nullptr; }
[4d51835]	1295	\| declaration_list
	1296	;
[51b7345]	1297
	1298	declaration_list:
[4d51835]	1299	declaration
[35718a9]	1300	\| declaration_list declaration
	1301	{ $$ = $1->appendList( $2 ); }
[4d51835]	1302	;
[51b7345]	1303
[407bde5]	1304	KR_parameter_list_opt: // used to declare parameter types in K&R style functions
[4cc585b]	1305	// empty
[58dd019]	1306	{ $$ = nullptr; }
[35718a9]	1307	\| KR_parameter_list
[4d51835]	1308	;
[51b7345]	1309
[35718a9]	1310	KR_parameter_list:
[4cc585b]	1311	push c_declaration pop ';'
	1312	{ $$ = $2; }
[35718a9]	1313	\| KR_parameter_list push c_declaration pop ';'
[4d51835]	1314	{ $$ = $1->appendList( $3 ); }
	1315	;
[b87a5ed]	1316
[51b1202]	1317	local_label_declaration_opt: // GCC, local label
[4d51835]	1318	// empty
[51b1202]	1319	\| local_label_declaration_list
[4d51835]	1320	;
[b87a5ed]	1321
[51b1202]	1322	local_label_declaration_list: // GCC, local label
	1323	LABEL local_label_list ';'
	1324	\| local_label_declaration_list LABEL local_label_list ';'
[4d51835]	1325	;
[b87a5ed]	1326
[51b1202]	1327	local_label_list: // GCC, local label
[c0a33d2]	1328	no_attr_identifier_or_type_name
	1329	\| local_label_list ',' no_attr_identifier_or_type_name
[4d51835]	1330	;
[b87a5ed]	1331
[936e9f4]	1332	declaration: // old & new style declarations
[35718a9]	1333	c_declaration ';'
	1334	\| cfa_declaration ';' // CFA
[b47b827]	1335	\| static_assert // C11
[4d51835]	1336	;
[b87a5ed]	1337
[b9be000b]	1338	static_assert:
	1339	STATICASSERT '(' constant_expression ',' string_literal ')' ';' // C11
[f6e3e34]	1340	{ $$ = DeclarationNode::newStaticAssert( $3, $5 ); }
[b47b827]	1341	\| STATICASSERT '(' constant_expression ')' ';' // CFA
[6e3eaa57]	1342	{ $$ = DeclarationNode::newStaticAssert( $3, build_constantStr( *new string( "\"\"" ) ) ); }
[b9be000b]	1343
[de62360d]	1344	// C declaration syntax is notoriously confusing and error prone. Cforall provides its own type, variable and function
	1345	// declarations. CFA declarations use the same declaration tokens as in C; however, CFA places declaration modifiers to
	1346	// the left of the base type, while C declarations place modifiers to the right of the base type. CFA declaration
	1347	// modifiers are interpreted from left to right and the entire type specification is distributed across all variables in
	1348	// the declaration list (as in Pascal). ANSI C and the new CFA declarations may appear together in the same program
	1349	// block, but cannot be mixed within a specific declaration.
[c11e31c]	1350	//
[b87a5ed]	1351	// CFA C
	1352	// [10] int x; int x[10]; // array of 10 integers
	1353	// [10] * char y; char *y[10]; // array of 10 pointers to char
	1354
[c0aa336]	1355	cfa_declaration: // CFA
[4cc585b]	1356	cfa_variable_declaration
	1357	\| cfa_typedef_declaration
	1358	\| cfa_function_declaration
	1359	\| type_declaring_list
	1360	\| trait_specifier
[4d51835]	1361	;
[b87a5ed]	1362
[c0aa336]	1363	cfa_variable_declaration: // CFA
	1364	cfa_variable_specifier initializer_opt
[7fdb94e]	1365	{ $$ = $1->addInitializer( $2 ); }
[c0aa336]	1366	\| declaration_qualifier_list cfa_variable_specifier initializer_opt
[de62360d]	1367	// declaration_qualifier_list also includes type_qualifier_list, so a semantic check is necessary to preclude
	1368	// them as a type_qualifier cannot appear in that context.
[7fdb94e]	1369	{ $$ = $2->addQualifiers( $1 )->addInitializer( $3 ); }
[c0aa336]	1370	\| cfa_variable_declaration pop ',' push identifier_or_type_name initializer_opt
[7fdb94e]	1371	{ $$ = $1->appendList( $1->cloneType( $5 )->addInitializer( $6 ) ); }
[4d51835]	1372	;
[b87a5ed]	1373
[c0aa336]	1374	cfa_variable_specifier: // CFA
[de62360d]	1375	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1376	// storage-class
[c0aa336]	1377	cfa_abstract_declarator_no_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	1378	{ $$ = $1->addName( $2 )->addAsmName( $3 ); }
[c0aa336]	1379	\| cfa_abstract_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	1380	{ $$ = $1->addName( $2 )->addAsmName( $3 ); }
[c0aa336]	1381	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	1382	{ $$ = $2->addQualifiers( $1 )->addName( $3 )->addAsmName( $4 ); }
[4d51835]	1383	;
[b87a5ed]	1384
[c0aa336]	1385	cfa_function_declaration: // CFA
	1386	cfa_function_specifier
	1387	\| type_qualifier_list cfa_function_specifier
[7fdb94e]	1388	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	1389	\| declaration_qualifier_list cfa_function_specifier
[7fdb94e]	1390	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	1391	\| declaration_qualifier_list type_qualifier_list cfa_function_specifier
[7fdb94e]	1392	{ $$ = $3->addQualifiers( $1 )->addQualifiers( $2 ); }
[40de461]	1393	\| cfa_function_declaration ',' identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')'
[4d51835]	1394	{
[481115f]	1395	// Append the return type at the start (left-hand-side) to each identifier in the list.
	1396	DeclarationNode * ret = new DeclarationNode;
	1397	ret->type = maybeClone( $1->type->base );
[40de461]	1398	$$ = $1->appendList( DeclarationNode::newFunction( $3, ret, $6, nullptr ) );
[4d51835]	1399	}
	1400	;
[b87a5ed]	1401
[c0aa336]	1402	cfa_function_specifier: // CFA
[40de461]	1403	// '[' ']' identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')' // S/R conflict
[1b29996]	1404	// {
	1405	// $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( 0 ), $6, 0, true );
	1406	// }
[40de461]	1407	// '[' ']' identifier '(' push cfa_parameter_ellipsis_list_opt pop ')'
[2871210]	1408	// {
	1409	// typedefTable.setNextIdentifier( *$5 );
	1410	// $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
	1411	// }
[40de461]	1412	// \| '[' ']' TYPEDEFname '(' push cfa_parameter_ellipsis_list_opt pop ')'
[2871210]	1413	// {
	1414	// typedefTable.setNextIdentifier( *$5 );
	1415	// $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
	1416	// }
	1417	// \| '[' ']' typegen_name
	1418	// identifier_or_type_name must be broken apart because of the sequence:
[4d51835]	1419	//
[40de461]	1420	// '[' ']' identifier_or_type_name '(' cfa_parameter_ellipsis_list_opt ')'
[4d51835]	1421	// '[' ']' type_specifier
	1422	//
[2871210]	1423	// type_specifier can resolve to just TYPEDEFname (e.g., typedef int T; int f( T );). Therefore this must be
	1424	// flattened to allow lookahead to the '(' without having to reduce identifier_or_type_name.
[40de461]	1425	cfa_abstract_tuple identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')'
[c0aa336]	1426	// To obtain LR(1 ), this rule must be factored out from function return type (see cfa_abstract_declarator).
[c0a33d2]	1427	{ $$ = DeclarationNode::newFunction( $2, $1, $5, 0 ); }
[40de461]	1428	\| cfa_function_return identifier_or_type_name '(' push cfa_parameter_ellipsis_list_opt pop ')'
[c0a33d2]	1429	{ $$ = DeclarationNode::newFunction( $2, $1, $5, 0 ); }
[4d51835]	1430	;
[b87a5ed]	1431
[c0aa336]	1432	cfa_function_return: // CFA
[c0a33d2]	1433	'[' push cfa_parameter_list pop ']'
	1434	{ $$ = DeclarationNode::newTuple( $3 ); }
	1435	\| '[' push cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ']'
[b048dc3]	1436	// To obtain LR(1 ), the last cfa_abstract_parameter_list is added into this flattened rule to lookahead to the ']'.
[c0a33d2]	1437	{ $$ = DeclarationNode::newTuple( $3->appendList( $7 ) ); }
[4d51835]	1438	;
[b87a5ed]	1439
[c0aa336]	1440	cfa_typedef_declaration: // CFA
	1441	TYPEDEF cfa_variable_specifier
[4d51835]	1442	{
[ecae5860]	1443	typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "1" );
[4d51835]	1444	$$ = $2->addTypedef();
	1445	}
[c0aa336]	1446	\| TYPEDEF cfa_function_specifier
[4d51835]	1447	{
[ecae5860]	1448	typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "2" );
[4d51835]	1449	$$ = $2->addTypedef();
	1450	}
[c0aa336]	1451	\| cfa_typedef_declaration pop ',' push no_attr_identifier
[4d51835]	1452	{
[ecae5860]	1453	typedefTable.addToEnclosingScope( *$5, TYPEDEFname, "3" );
[4d51835]	1454	$$ = $1->appendList( $1->cloneType( $5 ) );
	1455	}
	1456	;
[b87a5ed]	1457
[de62360d]	1458	// Traditionally typedef is part of storage-class specifier for syntactic convenience only. Here, it is factored out as
	1459	// a separate form of declaration, which syntactically precludes storage-class specifiers and initialization.
[51b7345]	1460
	1461	typedef_declaration:
[4d51835]	1462	TYPEDEF type_specifier declarator
	1463	{
[ecae5860]	1464	typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "4" );
[4d51835]	1465	$$ = $3->addType( $2 )->addTypedef();
	1466	}
	1467	\| typedef_declaration pop ',' push declarator
	1468	{
[ecae5860]	1469	typedefTable.addToEnclosingScope( *$5->name, TYPEDEFname, "5" );
[4d51835]	1470	$$ = $1->appendList( $1->cloneBaseType( $5 )->addTypedef() );
	1471	}
[de62360d]	1472	\| type_qualifier_list TYPEDEF type_specifier declarator // remaining OBSOLESCENT (see 2 )
[4d51835]	1473	{
[ecae5860]	1474	typedefTable.addToEnclosingScope( *$4->name, TYPEDEFname, "6" );
[4d51835]	1475	$$ = $4->addType( $3 )->addQualifiers( $1 )->addTypedef();
	1476	}
	1477	\| type_specifier TYPEDEF declarator
	1478	{
[ecae5860]	1479	typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "7" );
[4d51835]	1480	$$ = $3->addType( $1 )->addTypedef();
	1481	}
	1482	\| type_specifier TYPEDEF type_qualifier_list declarator
	1483	{
[ecae5860]	1484	typedefTable.addToEnclosingScope( *$4->name, TYPEDEFname, "8" );
[de62360d]	1485	$$ = $4->addQualifiers( $1 )->addTypedef()->addType( $1 );
[4d51835]	1486	}
	1487	;
[b87a5ed]	1488
[721f17a]	1489	typedef_expression:
	1490	// GCC, naming expression type: typedef name = exp; gives a name to the type of an expression
[4d51835]	1491	TYPEDEF no_attr_identifier '=' assignment_expression
	1492	{
[7fdb94e]	1493	// $$ = DeclarationNode::newName( 0 ); // unimplemented
	1494	SemanticError( yylloc, "Typedef expression is currently unimplemented." ); $$ = nullptr;
[4d51835]	1495	}
	1496	\| typedef_expression pop ',' push no_attr_identifier '=' assignment_expression
	1497	{
[7fdb94e]	1498	// $$ = DeclarationNode::newName( 0 ); // unimplemented
	1499	SemanticError( yylloc, "Typedef expression is currently unimplemented." ); $$ = nullptr;
[4d51835]	1500	}
	1501	;
[51b7345]	1502
[c0aa336]	1503	//c_declaration:
	1504	// declaring_list pop ';'
	1505	// \| typedef_declaration pop ';'
	1506	// \| typedef_expression pop ';' // GCC, naming expression type
	1507	// \| sue_declaration_specifier pop ';'
	1508	// ;
	1509	//
	1510	//declaring_list:
	1511	// // A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1512	// // storage-class
	1513	// declarator asm_name_opt initializer_opt
	1514	// {
[2f0a0678]	1515	// typedefTable.addToEnclosingScope( IDENTIFIER );
[c0aa336]	1516	// $$ = ( $2->addType( $1 ))->addAsmName( $3 )->addInitializer( $4 );
	1517	// }
	1518	// \| declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
	1519	// {
[2f0a0678]	1520	// typedefTable.addToEnclosingScope( IDENTIFIER );
[c0aa336]	1521	// $$ = $1->appendList( $1->cloneBaseType( $4->addAsmName( $5 )->addInitializer( $6 ) ) );
	1522	// }
	1523	// ;
	1524
	1525	c_declaration:
[4cc585b]	1526	declaration_specifier declaring_list
[7fdb94e]	1527	{ $$ = distAttr( $1, $2 ); }
[4cc585b]	1528	\| typedef_declaration
	1529	\| typedef_expression // GCC, naming expression type
	1530	\| sue_declaration_specifier
[4d51835]	1531	;
[51b7345]	1532
	1533	declaring_list:
[de62360d]	1534	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1535	// storage-class
[c0aa336]	1536	declarator asm_name_opt initializer_opt
[7fdb94e]	1537	{ $$ = $1->addAsmName( $2 )->addInitializer( $3 ); }
[4d51835]	1538	\| declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
[7fdb94e]	1539	{ $$ = $1->appendList( $4->addQualifiers( $3 )->addAsmName( $5 )->addInitializer( $6 ) ); }
[4d51835]	1540	;
[b87a5ed]	1541
	1542	declaration_specifier: // type specifier + storage class
[4d51835]	1543	basic_declaration_specifier
	1544	\| sue_declaration_specifier
[84d58c5]	1545	\| type_declaration_specifier
[4d51835]	1546	;
[b87a5ed]	1547
[d0ffed1]	1548	declaration_specifier_nobody: // type specifier + storage class - {...}
	1549	// Preclude SUE declarations in restricted scopes:
	1550	//
	1551	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	1552	//
	1553	// because it is impossible to call f due to name equivalence.
	1554	basic_declaration_specifier
	1555	\| sue_declaration_specifier_nobody
[84d58c5]	1556	\| type_declaration_specifier
[d0ffed1]	1557	;
	1558
	1559	type_specifier: // type specifier
[4d51835]	1560	basic_type_specifier
	1561	\| sue_type_specifier
[84d58c5]	1562	\| type_type_specifier
[4d51835]	1563	;
[b87a5ed]	1564
[d0ffed1]	1565	type_specifier_nobody: // type specifier - {...}
	1566	// Preclude SUE declarations in restricted scopes:
	1567	//
	1568	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	1569	//
	1570	// because it is impossible to call f due to name equivalence.
	1571	basic_type_specifier
	1572	\| sue_type_specifier_nobody
[84d58c5]	1573	\| type_type_specifier
[d0ffed1]	1574	;
	1575
[b87a5ed]	1576	type_qualifier_list_opt: // GCC, used in asm_statement
[4d51835]	1577	// empty
[58dd019]	1578	{ $$ = nullptr; }
[4d51835]	1579	\| type_qualifier_list
	1580	;
[51b7345]	1581
	1582	type_qualifier_list:
[de62360d]	1583	// A semantic check is necessary to ensure a type qualifier is appropriate for the kind of declaration.
[4d51835]	1584	//
[de62360d]	1585	// ISO/IEC 9899:1999 Section 6.7.3(4 ) : If the same qualifier appears more than once in the same
	1586	// specifier-qualifier-list, either directly or via one or more typedefs, the behavior is the same as if it
	1587	// appeared only once.
[4d51835]	1588	type_qualifier
	1589	\| type_qualifier_list type_qualifier
	1590	{ $$ = $1->addQualifiers( $2 ); }
	1591	;
[51b7345]	1592
	1593	type_qualifier:
[4d51835]	1594	type_qualifier_name
	1595	\| attribute
	1596	;
[51b7345]	1597
	1598	type_qualifier_name:
[4d51835]	1599	CONST
[738e304]	1600	{ $$ = DeclarationNode::newTypeQualifier( Type::Const ); }
[4d51835]	1601	\| RESTRICT
[738e304]	1602	{ $$ = DeclarationNode::newTypeQualifier( Type::Restrict ); }
[4d51835]	1603	\| VOLATILE
[738e304]	1604	{ $$ = DeclarationNode::newTypeQualifier( Type::Volatile ); }
[4d51835]	1605	\| ATOMIC
[738e304]	1606	{ $$ = DeclarationNode::newTypeQualifier( Type::Atomic ); }
[a16a7ec]	1607	\| forall
	1608	;
	1609
	1610	forall:
[35718a9]	1611	FORALL '(' type_parameter_list ')' // CFA
	1612	{ $$ = DeclarationNode::newForall( $3 ); }
[4d51835]	1613	;
[51b7345]	1614
	1615	declaration_qualifier_list:
[4d51835]	1616	storage_class_list
[de62360d]	1617	\| type_qualifier_list storage_class_list // remaining OBSOLESCENT (see 2 )
[4d51835]	1618	{ $$ = $1->addQualifiers( $2 ); }
	1619	\| declaration_qualifier_list type_qualifier_list storage_class_list
	1620	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1621	;
[51b7345]	1622
	1623	storage_class_list:
[de62360d]	1624	// A semantic check is necessary to ensure a storage class is appropriate for the kind of declaration and that
	1625	// only one of each is specified, except for inline, which can appear with the others.
[4d51835]	1626	//
[de62360d]	1627	// ISO/IEC 9899:1999 Section 6.7.1(2) : At most, one storage-class specifier may be given in the declaration
	1628	// specifiers in a declaration.
[4d51835]	1629	storage_class
	1630	\| storage_class_list storage_class
	1631	{ $$ = $1->addQualifiers( $2 ); }
	1632	;
[51b7345]	1633
	1634	storage_class:
[4d51835]	1635	EXTERN
[68fe077a]	1636	{ $$ = DeclarationNode::newStorageClass( Type::Extern ); }
[4d51835]	1637	\| STATIC
[68fe077a]	1638	{ $$ = DeclarationNode::newStorageClass( Type::Static ); }
[4d51835]	1639	\| AUTO
[68fe077a]	1640	{ $$ = DeclarationNode::newStorageClass( Type::Auto ); }
[4d51835]	1641	\| REGISTER
[68fe077a]	1642	{ $$ = DeclarationNode::newStorageClass( Type::Register ); }
[dd020c0]	1643	\| THREADLOCAL // C11
[68fe077a]	1644	{ $$ = DeclarationNode::newStorageClass( Type::Threadlocal ); }
[dd020c0]	1645	// Put function specifiers here to simplify parsing rules, but separate them semantically.
[4d51835]	1646	\| INLINE // C99
[ddfd945]	1647	{ $$ = DeclarationNode::newFuncSpecifier( Type::Inline ); }
[4d51835]	1648	\| FORTRAN // C99
[ddfd945]	1649	{ $$ = DeclarationNode::newFuncSpecifier( Type::Fortran ); }
[68cd1ce]	1650	\| NORETURN // C11
[ddfd945]	1651	{ $$ = DeclarationNode::newFuncSpecifier( Type::Noreturn ); }
[4d51835]	1652	;
[51b7345]	1653
	1654	basic_type_name:
[201aeb9]	1655	VOID
[4d51835]	1656	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Void ); }
	1657	\| BOOL // C99
	1658	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Bool ); }
[201aeb9]	1659	\| CHAR
	1660	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Char ); }
	1661	\| INT
	1662	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Int ); }
	1663	\| INT128
	1664	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Int128 ); }
	1665	\| FLOAT
	1666	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Float ); }
	1667	\| FLOAT80
	1668	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Float80 ); }
	1669	\| FLOAT128
	1670	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Float128 ); }
	1671	\| DOUBLE
	1672	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Double ); }
[4d51835]	1673	\| COMPLEX // C99
[5b639ee]	1674	{ $$ = DeclarationNode::newComplexType( DeclarationNode::Complex ); }
[4d51835]	1675	\| IMAGINARY // C99
[5b639ee]	1676	{ $$ = DeclarationNode::newComplexType( DeclarationNode::Imaginary ); }
[201aeb9]	1677	\| SIGNED
	1678	{ $$ = DeclarationNode::newSignedNess( DeclarationNode::Signed ); }
	1679	\| UNSIGNED
	1680	{ $$ = DeclarationNode::newSignedNess( DeclarationNode::Unsigned ); }
	1681	\| SHORT
	1682	{ $$ = DeclarationNode::newLength( DeclarationNode::Short ); }
	1683	\| LONG
	1684	{ $$ = DeclarationNode::newLength( DeclarationNode::Long ); }
[72457b6]	1685	\| VALIST // GCC, __builtin_va_list
	1686	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::Valist ); }
[4d51835]	1687	;
[51b7345]	1688
	1689	basic_declaration_specifier:
[4d51835]	1690	// A semantic check is necessary for conflicting storage classes.
	1691	basic_type_specifier
	1692	\| declaration_qualifier_list basic_type_specifier
	1693	{ $$ = $2->addQualifiers( $1 ); }
	1694	\| basic_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	1695	{ $$ = $1->addQualifiers( $2 ); }
	1696	\| basic_declaration_specifier storage_class type_qualifier_list
	1697	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1698	\| basic_declaration_specifier storage_class basic_type_specifier
	1699	{ $$ = $3->addQualifiers( $2 )->addType( $1 ); }
	1700	;
[51b7345]	1701
	1702	basic_type_specifier:
[84d58c5]	1703	direct_type
[f38e7d7]	1704	// Cannot have type modifiers, e.g., short, long, etc.
[84d58c5]	1705	\| type_qualifier_list_opt indirect_type type_qualifier_list_opt
[4d51835]	1706	{ $$ = $2->addQualifiers( $1 )->addQualifiers( $3 ); }
	1707	;
[51b7345]	1708
[84d58c5]	1709	direct_type:
[4d51835]	1710	basic_type_name
	1711	\| type_qualifier_list basic_type_name
	1712	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	1713	\| direct_type type_qualifier
[4d51835]	1714	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	1715	\| direct_type basic_type_name
[4d51835]	1716	{ $$ = $1->addType( $2 ); }
	1717	;
[51b7345]	1718
[84d58c5]	1719	indirect_type:
	1720	TYPEOF '(' type ')' // GCC: typeof(x) y;
[4d51835]	1721	{ $$ = $3; }
	1722	\| TYPEOF '(' comma_expression ')' // GCC: typeof(a+b) y;
	1723	{ $$ = DeclarationNode::newTypeof( $3 ); }
[84d58c5]	1724	\| ATTR_TYPEGENname '(' type ')' // CFA: e.g., @type(x) y;
[4d51835]	1725	{ $$ = DeclarationNode::newAttr( $1, $3 ); }
	1726	\| ATTR_TYPEGENname '(' comma_expression ')' // CFA: e.g., @type(a+b) y;
	1727	{ $$ = DeclarationNode::newAttr( $1, $3 ); }
[f38e7d7]	1728	\| ZERO_T // CFA
	1729	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::Zero ); }
	1730	\| ONE_T // CFA
	1731	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::One ); }
[4d51835]	1732	;
[51b7345]	1733
[d0ffed1]	1734	sue_declaration_specifier: // struct, union, enum + storage class + type specifier
[4d51835]	1735	sue_type_specifier
	1736	\| declaration_qualifier_list sue_type_specifier
	1737	{ $$ = $2->addQualifiers( $1 ); }
	1738	\| sue_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	1739	{ $$ = $1->addQualifiers( $2 ); }
	1740	\| sue_declaration_specifier storage_class type_qualifier_list
	1741	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1742	;
[51b7345]	1743
[d0ffed1]	1744	sue_type_specifier: // struct, union, enum + type specifier
	1745	elaborated_type
[fdca7c6]	1746	\| type_qualifier_list
	1747	{ if ( $1->type != nullptr && $1->type->forall ) forall = true; } // remember generic type
	1748	elaborated_type
	1749	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	1750	\| sue_type_specifier type_qualifier
	1751	{ $$ = $1->addQualifiers( $2 ); }
	1752	;
[51b7345]	1753
[d0ffed1]	1754	sue_declaration_specifier_nobody: // struct, union, enum - {...} + storage class + type specifier
	1755	sue_type_specifier_nobody
	1756	\| declaration_qualifier_list sue_type_specifier_nobody
	1757	{ $$ = $2->addQualifiers( $1 ); }
	1758	\| sue_declaration_specifier_nobody storage_class // remaining OBSOLESCENT (see 2)
	1759	{ $$ = $1->addQualifiers( $2 ); }
	1760	\| sue_declaration_specifier_nobody storage_class type_qualifier_list
	1761	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1762	;
	1763
	1764	sue_type_specifier_nobody: // struct, union, enum - {...} + type specifier
	1765	elaborated_type_nobody
	1766	\| type_qualifier_list elaborated_type_nobody
	1767	{ $$ = $2->addQualifiers( $1 ); }
	1768	\| sue_type_specifier_nobody type_qualifier
	1769	{ $$ = $1->addQualifiers( $2 ); }
	1770	;
	1771
[84d58c5]	1772	type_declaration_specifier:
	1773	type_type_specifier
	1774	\| declaration_qualifier_list type_type_specifier
[4d51835]	1775	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	1776	\| type_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
[4d51835]	1777	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	1778	\| type_declaration_specifier storage_class type_qualifier_list
[4d51835]	1779	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1780	;
[b87a5ed]	1781
[84d58c5]	1782	type_type_specifier: // typedef types
	1783	type_name
	1784	\| type_qualifier_list type_name
	1785	{ $$ = $2->addQualifiers( $1 ); }
	1786	\| type_type_specifier type_qualifier
	1787	{ $$ = $1->addQualifiers( $2 ); }
	1788	;
	1789
	1790	type_name:
[4d51835]	1791	TYPEDEFname
	1792	{ $$ = DeclarationNode::newFromTypedef( $1 ); }
[84d58c5]	1793	\| '.' TYPEDEFname
[407bde5]	1794	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[84d58c5]	1795	\| type_name '.' TYPEDEFname
[407bde5]	1796	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[84d58c5]	1797	\| typegen_name
	1798	\| '.' typegen_name
[407bde5]	1799	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[84d58c5]	1800	\| type_name '.' typegen_name
[407bde5]	1801	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[84d58c5]	1802	;
	1803
	1804	typegen_name: // CFA
[65d6de4]	1805	TYPEGENname
	1806	{ $$ = DeclarationNode::newFromTypeGen( $1, nullptr ); }
	1807	\| TYPEGENname '(' ')'
[67cf18c]	1808	{ $$ = DeclarationNode::newFromTypeGen( $1, nullptr ); }
	1809	\| TYPEGENname '(' type_list ')'
[84d58c5]	1810	{ $$ = DeclarationNode::newFromTypeGen( $1, $3 ); }
[4d51835]	1811	;
[51b7345]	1812
[d0ffed1]	1813	elaborated_type: // struct, union, enum
[c0aa336]	1814	aggregate_type
	1815	\| enum_type
[4d51835]	1816	;
[51b7345]	1817
[d0ffed1]	1818	elaborated_type_nobody: // struct, union, enum - {...}
	1819	aggregate_type_nobody
	1820	\| enum_type_nobody
	1821	;
	1822
[3d56d15b]	1823	fred:
	1824	// empty
	1825	{ yyy = false; }
	1826	;
	1827
[d0ffed1]	1828	aggregate_type: // struct, union
[7fdb94e]	1829	aggregate_key attribute_list_opt '{' field_declaration_list_opt '}'
[6f95000]	1830	{ $$ = DeclarationNode::newAggregate( $1, new string( DeclarationNode::anonymous.newName() ), nullptr, $4, true )->addQualifiers( $2 ); }
[3d56d15b]	1831	\| aggregate_key attribute_list_opt no_attr_identifier fred
[fdca7c6]	1832	{
[a1c9ddd]	1833	typedefTable.makeTypedef( *$3, forall ? TYPEGENname : TYPEDEFname ); // create typedef
[fdca7c6]	1834	forall = false; // reset
	1835	}
[7fdb94e]	1836	'{' field_declaration_list_opt '}'
[3d56d15b]	1837	{ $$ = DeclarationNode::newAggregate( $1, $3, nullptr, $7, true )->addQualifiers( $2 ); }
	1838	\| aggregate_key attribute_list_opt type_name fred
[407bde5]	1839	{
[a1c9ddd]	1840	typedefTable.makeTypedef( *$3->type->symbolic.name, forall ? TYPEGENname : TYPEDEFname ); // create typedef
[407bde5]	1841	forall = false; // reset
	1842	}
	1843	'{' field_declaration_list_opt '}'
[3d56d15b]	1844	{ $$ = DeclarationNode::newAggregate( $1, $3->type->symbolic.name, nullptr, $7, true )->addQualifiers( $2 ); }
[7fdb94e]	1845	\| aggregate_key attribute_list_opt '(' type_list ')' '{' field_declaration_list_opt '}' // CFA
[6f95000]	1846	{ $$ = DeclarationNode::newAggregate( $1, new string( DeclarationNode::anonymous.newName() ), $4, $7, false )->addQualifiers( $2 ); }
[d0ffed1]	1847	\| aggregate_type_nobody
	1848	;
	1849
	1850	aggregate_type_nobody: // struct, union - {...}
[3d56d15b]	1851	aggregate_key attribute_list_opt no_attr_identifier fred
[84d58c5]	1852	{
[a1c9ddd]	1853	typedefTable.makeTypedef( *$3, forall ? TYPEGENname : TYPEDEFname );
[9997fee]	1854	forall = false; // reset
[84d58c5]	1855	$$ = DeclarationNode::newAggregate( $1, $3, nullptr, nullptr, false )->addQualifiers( $2 );
	1856	}
[3d56d15b]	1857	\| aggregate_key attribute_list_opt type_name fred
[65d6de4]	1858	{
	1859	// Create new generic declaration with same name as previous forward declaration, where the IDENTIFIER is
	1860	// switched to a TYPEGENname. Link any generic arguments from typegen_name to new generic declaration and
	1861	// delete newFromTypeGen.
	1862	$$ = DeclarationNode::newAggregate( $1, $3->type->symbolic.name, $3->type->symbolic.actuals, nullptr, false )->addQualifiers( $2 );
	1863	$3->type->symbolic.name = nullptr;
	1864	$3->type->symbolic.actuals = nullptr;
	1865	delete $3;
	1866	}
[4d51835]	1867	;
[51b7345]	1868
	1869	aggregate_key:
[c0aa336]	1870	STRUCT
[3d56d15b]	1871	{ yyy = true; $$ = DeclarationNode::Struct; }
[c0aa336]	1872	\| UNION
[3d56d15b]	1873	{ yyy = true; $$ = DeclarationNode::Union; }
[c27fb59]	1874	\| EXCEPTION
[3d56d15b]	1875	{ yyy = true; $$ = DeclarationNode::Exception; }
[d3bc0ad]	1876	\| COROUTINE
[3d56d15b]	1877	{ yyy = true; $$ = DeclarationNode::Coroutine; }
[d3bc0ad]	1878	\| MONITOR
[3d56d15b]	1879	{ yyy = true; $$ = DeclarationNode::Monitor; }
[d3bc0ad]	1880	\| THREAD
[3d56d15b]	1881	{ yyy = true; $$ = DeclarationNode::Thread; }
[4d51835]	1882	;
[51b7345]	1883
[7fdb94e]	1884	field_declaration_list_opt:
[5d125e4]	1885	// empty
[58dd019]	1886	{ $$ = nullptr; }
[7fdb94e]	1887	\| field_declaration_list_opt field_declaration
[a7741435]	1888	{ $$ = $1 ? $1->appendList( $2 ) : $2; }
[4d51835]	1889	;
[51b7345]	1890
	1891	field_declaration:
[46fa473]	1892	type_specifier field_declaring_list ';'
	1893	{ $$ = distAttr( $1, $2 ); }
[c0aa336]	1894	\| EXTENSION type_specifier field_declaring_list ';' // GCC
[46fa473]	1895	{ distExt( $3 ); $$ = distAttr( $2, $3 ); } // mark all fields in list
	1896	\| typedef_declaration ';' // CFA
	1897	{ SemanticError( yylloc, "Typedef in aggregate is currently unimplemented." ); $$ = nullptr; }
	1898	\| cfa_field_declaring_list ';' // CFA, new style field declaration
	1899	\| EXTENSION cfa_field_declaring_list ';' // GCC
	1900	{ distExt( $2 ); $$ = $2; } // mark all fields in list
	1901	\| cfa_typedef_declaration ';' // CFA
	1902	{ SemanticError( yylloc, "Typedef in aggregate is currently unimplemented." ); $$ = nullptr; }
[b47b827]	1903	\| static_assert // C11
[4d51835]	1904	;
[b87a5ed]	1905
[c0aa336]	1906	cfa_field_declaring_list: // CFA, new style field declaration
	1907	cfa_abstract_declarator_tuple // CFA, no field name
	1908	\| cfa_abstract_declarator_tuple no_attr_identifier_or_type_name
[4d51835]	1909	{ $$ = $1->addName( $2 ); }
[c0aa336]	1910	\| cfa_field_declaring_list ',' no_attr_identifier_or_type_name
[4d51835]	1911	{ $$ = $1->appendList( $1->cloneType( $3 ) ); }
[c0aa336]	1912	\| cfa_field_declaring_list ',' // CFA, no field name
[4d51835]	1913	{ $$ = $1->appendList( $1->cloneType( 0 ) ); }
	1914	;
[51b7345]	1915
	1916	field_declaring_list:
[7fdb94e]	1917	field_declarator_opt
	1918	\| field_declaring_list ',' attribute_list_opt field_declarator_opt
[c0aa336]	1919	{ $$ = $1->appendList( $4->addQualifiers( $3 ) ); }
[4d51835]	1920	;
[51b7345]	1921
[7fdb94e]	1922	field_declarator_opt:
[4d51835]	1923	// empty
	1924	{ $$ = DeclarationNode::newName( 0 ); /* XXX */ } // CFA, no field name
[6f95000]	1925	// '@'
	1926	// { $$ = DeclarationNode::newName( new string( DeclarationNode::anonymous.newName() ) ); } // CFA, no field name
[4d51835]	1927	\| bit_subrange_size // no field name
	1928	{ $$ = DeclarationNode::newBitfield( $1 ); }
	1929	\| variable_declarator bit_subrange_size_opt
	1930	// A semantic check is required to ensure bit_subrange only appears on base type int.
	1931	{ $$ = $1->addBitfield( $2 ); }
[c6b1105]	1932	\| variable_type_redeclarator bit_subrange_size_opt
[4d51835]	1933	// A semantic check is required to ensure bit_subrange only appears on base type int.
	1934	{ $$ = $1->addBitfield( $2 ); }
	1935	\| variable_abstract_declarator // CFA, no field name
	1936	;
[51b7345]	1937
	1938	bit_subrange_size_opt:
[4d51835]	1939	// empty
[58dd019]	1940	{ $$ = nullptr; }
[4d51835]	1941	\| bit_subrange_size
	1942	;
[51b7345]	1943
	1944	bit_subrange_size:
[4d51835]	1945	':' constant_expression
	1946	{ $$ = $2; }
	1947	;
[51b7345]	1948
[d0ffed1]	1949	enum_type: // enum
[c0aa336]	1950	ENUM attribute_list_opt '{' enumerator_list comma_opt '}'
[6f95000]	1951	{ $$ = DeclarationNode::newEnum( new string( DeclarationNode::anonymous.newName() ), $4, true )->addQualifiers( $2 ); }
[407bde5]	1952	\| ENUM attribute_list_opt no_attr_identifier
[d0ffed1]	1953	{ typedefTable.makeTypedef( *$3 ); }
	1954	'{' enumerator_list comma_opt '}'
	1955	{ $$ = DeclarationNode::newEnum( $3, $6, true )->addQualifiers( $2 ); }
[407bde5]	1956	\| ENUM attribute_list_opt type_name
	1957	'{' enumerator_list comma_opt '}'
	1958	{ $$ = DeclarationNode::newEnum( $3->type->symbolic.name, $5, true )->addQualifiers( $2 ); }
[d0ffed1]	1959	\| enum_type_nobody
	1960	;
	1961
	1962	enum_type_nobody: // enum - {...}
[407bde5]	1963	ENUM attribute_list_opt no_attr_identifier
[45161b4d]	1964	{
[c0aa336]	1965	typedefTable.makeTypedef( *$3 );
[ca1a547]	1966	$$ = DeclarationNode::newEnum( $3, 0, false )->addQualifiers( $2 );
[45161b4d]	1967	}
[407bde5]	1968	\| ENUM attribute_list_opt type_name
	1969	{
	1970	typedefTable.makeTypedef( *$3->type->symbolic.name );
	1971	$$ = DeclarationNode::newEnum( $3->type->symbolic.name, 0, false )->addQualifiers( $2 );
	1972	}
[4d51835]	1973	;
[51b7345]	1974
	1975	enumerator_list:
[2871210]	1976	no_attr_identifier_or_type_name enumerator_value_opt
[4d51835]	1977	{ $$ = DeclarationNode::newEnumConstant( $1, $2 ); }
[2871210]	1978	\| enumerator_list ',' no_attr_identifier_or_type_name enumerator_value_opt
[4d51835]	1979	{ $$ = $1->appendList( DeclarationNode::newEnumConstant( $3, $4 ) ); }
	1980	;
[51b7345]	1981
	1982	enumerator_value_opt:
[4d51835]	1983	// empty
[58dd019]	1984	{ $$ = nullptr; }
[4d51835]	1985	\| '=' constant_expression
	1986	{ $$ = $2; }
	1987	;
[51b7345]	1988
[40de461]	1989	cfa_parameter_ellipsis_list_opt: // CFA, abstract + real
[4d51835]	1990	// empty
[2a8427c6]	1991	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Void ); }
	1992	\| ELLIPSIS
[58dd019]	1993	{ $$ = nullptr; }
[2a8427c6]	1994	\| cfa_abstract_parameter_list
[c0aa336]	1995	\| cfa_parameter_list
[c0a33d2]	1996	\| cfa_parameter_list pop ',' push cfa_abstract_parameter_list
	1997	{ $$ = $1->appendList( $5 ); }
	1998	\| cfa_abstract_parameter_list pop ',' push ELLIPSIS
[4d51835]	1999	{ $$ = $1->addVarArgs(); }
[c0a33d2]	2000	\| cfa_parameter_list pop ',' push ELLIPSIS
[4d51835]	2001	{ $$ = $1->addVarArgs(); }
	2002	;
[b87a5ed]	2003
[c0aa336]	2004	cfa_parameter_list: // CFA
	2005	// To obtain LR(1) between cfa_parameter_list and cfa_abstract_tuple, the last cfa_abstract_parameter_list is
	2006	// factored out from cfa_parameter_list, flattening the rules to get lookahead to the ']'.
	2007	cfa_parameter_declaration
[c0a33d2]	2008	\| cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
	2009	{ $$ = $1->appendList( $5 ); }
	2010	\| cfa_parameter_list pop ',' push cfa_parameter_declaration
	2011	{ $$ = $1->appendList( $5 ); }
	2012	\| cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
	2013	{ $$ = $1->appendList( $5 )->appendList( $9 ); }
[4d51835]	2014	;
[b87a5ed]	2015
[c0aa336]	2016	cfa_abstract_parameter_list: // CFA, new & old style abstract
	2017	cfa_abstract_parameter_declaration
[c0a33d2]	2018	\| cfa_abstract_parameter_list pop ',' push cfa_abstract_parameter_declaration
	2019	{ $$ = $1->appendList( $5 ); }
[4d51835]	2020	;
[51b7345]	2021
	2022	parameter_type_list_opt:
[4d51835]	2023	// empty
[58dd019]	2024	{ $$ = nullptr; }
[2a8427c6]	2025	\| ELLIPSIS
	2026	{ $$ = nullptr; }
	2027	\| parameter_list
[4d51835]	2028	\| parameter_list pop ',' push ELLIPSIS
	2029	{ $$ = $1->addVarArgs(); }
	2030	;
[b87a5ed]	2031
	2032	parameter_list: // abstract + real
[4d51835]	2033	abstract_parameter_declaration
	2034	\| parameter_declaration
	2035	\| parameter_list pop ',' push abstract_parameter_declaration
	2036	{ $$ = $1->appendList( $5 ); }
	2037	\| parameter_list pop ',' push parameter_declaration
	2038	{ $$ = $1->appendList( $5 ); }
	2039	;
[51b7345]	2040
[de62360d]	2041	// Provides optional identifier names (abstract_declarator/variable_declarator), no initialization, different semantics
[2871210]	2042	// for typedef name by using type_parameter_redeclarator instead of typedef_redeclarator, and function prototypes.
[51b7345]	2043
[c0aa336]	2044	cfa_parameter_declaration: // CFA, new & old style parameter declaration
[4d51835]	2045	parameter_declaration
[994d080]	2046	\| cfa_identifier_parameter_declarator_no_tuple identifier_or_type_name default_initialize_opt
[4d51835]	2047	{ $$ = $1->addName( $2 ); }
[994d080]	2048	\| cfa_abstract_tuple identifier_or_type_name default_initialize_opt
[c0aa336]	2049	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
[4d51835]	2050	{ $$ = $1->addName( $2 ); }
[994d080]	2051	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name default_initialize_opt
[4d51835]	2052	{ $$ = $2->addName( $3 )->addQualifiers( $1 ); }
[c0aa336]	2053	\| cfa_function_specifier
[4d51835]	2054	;
[b87a5ed]	2055
[c0aa336]	2056	cfa_abstract_parameter_declaration: // CFA, new & old style parameter declaration
[4d51835]	2057	abstract_parameter_declaration
[c0aa336]	2058	\| cfa_identifier_parameter_declarator_no_tuple
	2059	\| cfa_abstract_tuple
	2060	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
	2061	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	2062	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	2063	\| cfa_abstract_function
[4d51835]	2064	;
[51b7345]	2065
	2066	parameter_declaration:
[d0ffed1]	2067	// No SUE declaration in parameter list.
[994d080]	2068	declaration_specifier_nobody identifier_parameter_declarator default_initialize_opt
[7fdb94e]	2069	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
[994d080]	2070	\| declaration_specifier_nobody type_parameter_redeclarator default_initialize_opt
[7fdb94e]	2071	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
[4d51835]	2072	;
[51b7345]	2073
	2074	abstract_parameter_declaration:
[994d080]	2075	declaration_specifier_nobody default_initialize_opt
[e7cc8cb]	2076	{ $$ = $1->addInitializer( $2 ? new InitializerNode( $2 ) : nullptr ); }
[994d080]	2077	\| declaration_specifier_nobody abstract_parameter_declarator default_initialize_opt
[e7cc8cb]	2078	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
[4d51835]	2079	;
[51b7345]	2080
[c11e31c]	2081	// ISO/IEC 9899:1999 Section 6.9.1(6) : "An identifier declared as a typedef name shall not be redeclared as a
[de62360d]	2082	// parameter." Because the scope of the K&R-style parameter-list sees the typedef first, the following is based only on
	2083	// identifiers. The ANSI-style parameter-list can redefine a typedef name.
[51b7345]	2084
[b87a5ed]	2085	identifier_list: // K&R-style parameter list => no types
[4d51835]	2086	no_attr_identifier
	2087	{ $$ = DeclarationNode::newName( $1 ); }
	2088	\| identifier_list ',' no_attr_identifier
	2089	{ $$ = $1->appendList( DeclarationNode::newName( $3 ) ); }
	2090	;
[51b7345]	2091
[2871210]	2092	identifier_or_type_name:
[4d51835]	2093	identifier
	2094	\| TYPEDEFname
	2095	\| TYPEGENname
	2096	;
[51b7345]	2097
[2871210]	2098	no_attr_identifier_or_type_name:
[4d51835]	2099	no_attr_identifier
	2100	\| TYPEDEFname
[721f17a]	2101	\| TYPEGENname
[4d51835]	2102	;
[b87a5ed]	2103
[84d58c5]	2104	type_no_function: // sizeof, alignof, cast (constructor)
[c0aa336]	2105	cfa_abstract_declarator_tuple // CFA
[4d51835]	2106	\| type_specifier
[c0aa336]	2107	\| type_specifier abstract_declarator
[4d51835]	2108	{ $$ = $2->addType( $1 ); }
	2109	;
[b87a5ed]	2110
[84d58c5]	2111	type: // typeof, assertion
	2112	type_no_function
[c0aa336]	2113	\| cfa_abstract_function // CFA
[4d51835]	2114	;
[51b7345]	2115
	2116	initializer_opt:
[4d51835]	2117	// empty
[58dd019]	2118	{ $$ = nullptr; }
[2871210]	2119	\| '=' initializer
	2120	{ $$ = $2; }
[641c3d0]	2121	\| '=' VOID
[3ed994e]	2122	{ $$ = new InitializerNode( true ); }
[097e2b0]	2123	\| ATassign initializer
[974906e2]	2124	{ $$ = $2->set_maybeConstructed( false ); }
[4d51835]	2125	;
[51b7345]	2126
	2127	initializer:
[de62360d]	2128	assignment_expression { $$ = new InitializerNode( $1 ); }
[7fdb94e]	2129	\| '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $2, true ); }
[4d51835]	2130	;
[51b7345]	2131
[7fdb94e]	2132	initializer_list_opt:
[097e2b0]	2133	// empty
[58dd019]	2134	{ $$ = nullptr; }
[097e2b0]	2135	\| initializer
[4d51835]	2136	\| designation initializer { $$ = $2->set_designators( $1 ); }
[7fdb94e]	2137	\| initializer_list_opt ',' initializer { $$ = (InitializerNode *)( $1->set_last( $3 ) ); }
	2138	\| initializer_list_opt ',' designation initializer
[1d4580a]	2139	{ $$ = (InitializerNode *)( $1->set_last( $4->set_designators( $3 ) ) ); }
[4d51835]	2140	;
[b87a5ed]	2141
[de62360d]	2142	// There is an unreconcileable parsing problem between C99 and CFA with respect to designators. The problem is use of
	2143	// '=' to separator the designator from the initializer value, as in:
[c11e31c]	2144	//
[b87a5ed]	2145	// int x[10] = { [1] = 3 };
[c11e31c]	2146	//
[de62360d]	2147	// The string "[1] = 3" can be parsed as a designator assignment or a tuple assignment. To disambiguate this case, CFA
	2148	// changes the syntax from "=" to ":" as the separator between the designator and initializer. GCC does uses ":" for
	2149	// field selection. The optional use of the "=" in GCC, or in this case ":", cannot be supported either due to
	2150	// shift/reduce conflicts
[51b7345]	2151
	2152	designation:
[4d51835]	2153	designator_list ':' // C99, CFA uses ":" instead of "="
[84d58c5]	2154	\| no_attr_identifier ':' // GCC, field name
[d1625f8]	2155	{ $$ = new ExpressionNode( build_varref( $1 ) ); }
[4d51835]	2156	;
[51b7345]	2157
[b87a5ed]	2158	designator_list: // C99
[4d51835]	2159	designator
[2871210]	2160	\| designator_list designator
[1d4580a]	2161	{ $$ = (ExpressionNode *)( $1->set_last( $2 ) ); }
[d1625f8]	2162	//\| designator_list designator { $$ = new ExpressionNode( $1, $2 ); }
[4d51835]	2163	;
[51b7345]	2164
	2165	designator:
[84d58c5]	2166	'.' no_attr_identifier // C99, field name
[d1625f8]	2167	{ $$ = new ExpressionNode( build_varref( $2 ) ); }
[c0a33d2]	2168	\| '[' push assignment_expression pop ']' // C99, single array element
[de62360d]	2169	// assignment_expression used instead of constant_expression because of shift/reduce conflicts with tuple.
[d1625f8]	2170	{ $$ = $3; }
[c0a33d2]	2171	\| '[' push subrange pop ']' // CFA, multiple array elements
	2172	{ $$ = $3; }
	2173	\| '[' push constant_expression ELLIPSIS constant_expression pop ']' // GCC, multiple array elements
	2174	{ $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild< Expression >( $3 ), maybeMoveBuild< Expression >( $5 ) ) ); }
	2175	\| '.' '[' push field_list pop ']' // CFA, tuple field selector
	2176	{ $$ = $4; }
[4d51835]	2177	;
[51b7345]	2178
[de62360d]	2179	// The CFA type system is based on parametric polymorphism, the ability to declare functions with type parameters,
	2180	// rather than an object-oriented type system. This required four groups of extensions:
[c11e31c]	2181	//
	2182	// Overloading: function, data, and operator identifiers may be overloaded.
	2183	//
[de62360d]	2184	// Type declarations: "type" is used to generate new types for declaring objects. Similarly, "dtype" is used for object
	2185	// and incomplete types, and "ftype" is used for function types. Type declarations with initializers provide
	2186	// definitions of new types. Type declarations with storage class "extern" provide opaque types.
[c11e31c]	2187	//
[de62360d]	2188	// Polymorphic functions: A forall clause declares a type parameter. The corresponding argument is inferred at the call
	2189	// site. A polymorphic function is not a template; it is a function, with an address and a type.
[c11e31c]	2190	//
	2191	// Specifications and Assertions: Specifications are collections of declarations parameterized by one or more
[de62360d]	2192	// types. They serve many of the purposes of abstract classes, and specification hierarchies resemble subclass
	2193	// hierarchies. Unlike classes, they can define relationships between types. Assertions declare that a type or
	2194	// types provide the operations declared by a specification. Assertions are normally used to declare requirements
	2195	// on type arguments of polymorphic functions.
[c11e31c]	2196
[b87a5ed]	2197	type_parameter_list: // CFA
[67cf18c]	2198	type_parameter
	2199	\| type_parameter_list ',' type_parameter
[4d51835]	2200	{ $$ = $1->appendList( $3 ); }
	2201	;
[b87a5ed]	2202
[84d58c5]	2203	type_initializer_opt: // CFA
	2204	// empty
	2205	{ $$ = nullptr; }
	2206	\| '=' type
	2207	{ $$ = $2; }
	2208	;
	2209
[b87a5ed]	2210	type_parameter: // CFA
[2871210]	2211	type_class no_attr_identifier_or_type_name
[ecae5860]	2212	{ typedefTable.addToScope( *$2, TYPEDEFname, "9" ); }
[67cf18c]	2213	type_initializer_opt assertion_list_opt
	2214	{ $$ = DeclarationNode::newTypeParam( $1, $2 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
[4d51835]	2215	\| type_specifier identifier_parameter_declarator
[9997fee]	2216	\| assertion_list
	2217	{ $$ = DeclarationNode::newTypeParam( DeclarationNode::Dtype, new string( DeclarationNode::anonymous.newName() ) )->addAssertions( $1 ); }
[4d51835]	2218	;
[b87a5ed]	2219
	2220	type_class: // CFA
[4040425]	2221	OTYPE
[5b639ee]	2222	{ $$ = DeclarationNode::Otype; }
[4d51835]	2223	\| DTYPE
	2224	{ $$ = DeclarationNode::Dtype; }
[8f60f0b]	2225	\| FTYPE
	2226	{ $$ = DeclarationNode::Ftype; }
	2227	\| TTYPE
	2228	{ $$ = DeclarationNode::Ttype; }
[4d51835]	2229	;
[b87a5ed]	2230
	2231	assertion_list_opt: // CFA
[4d51835]	2232	// empty
[58dd019]	2233	{ $$ = nullptr; }
[9997fee]	2234	\| assertion_list
	2235	;
	2236
	2237	assertion_list: // CFA
	2238	assertion
	2239	\| assertion_list assertion
[a7741435]	2240	{ $$ = $1 ? $1->appendList( $2 ) : $2; }
[4d51835]	2241	;
[b87a5ed]	2242
	2243	assertion: // CFA
[84d58c5]	2244	'\|' no_attr_identifier_or_type_name '(' type_list ')'
[7fdb94e]	2245	{ $$ = DeclarationNode::newTraitUse( $2, $4 ); }
[13e8427]	2246	\| '\|' '{' push trait_declaration_list pop '}'
[4d51835]	2247	{ $$ = $4; }
[35718a9]	2248	// \| '\|' '(' push type_parameter_list pop ')' '{' push trait_declaration_list pop '}' '(' type_list ')'
	2249	// { SemanticError( yylloc, "Generic data-type assertion is currently unimplemented." ); $$ = nullptr; }
[4d51835]	2250	;
[b87a5ed]	2251
[84d58c5]	2252	type_list: // CFA
	2253	type
[513e165]	2254	{ $$ = new ExpressionNode( new TypeExpr( maybeMoveBuildType( $1 ) ) ); }
[4d51835]	2255	\| assignment_expression
[84d58c5]	2256	\| type_list ',' type
[513e165]	2257	{ $$ = (ExpressionNode *)( $1->set_last( new ExpressionNode( new TypeExpr( maybeMoveBuildType( $3 ) ) ) ) ); }
[84d58c5]	2258	\| type_list ',' assignment_expression
[1d4580a]	2259	{ $$ = (ExpressionNode *)( $1->set_last( $3 )); }
[4d51835]	2260	;
[b87a5ed]	2261
	2262	type_declaring_list: // CFA
[4040425]	2263	OTYPE type_declarator
[4d51835]	2264	{ $$ = $2; }
[4040425]	2265	\| storage_class_list OTYPE type_declarator
[4d51835]	2266	{ $$ = $3->addQualifiers( $1 ); }
	2267	\| type_declaring_list ',' type_declarator
[a7c90d4]	2268	{ $$ = $1->appendList( $3->copySpecifiers( $1 ) ); }
[4d51835]	2269	;
[b87a5ed]	2270
	2271	type_declarator: // CFA
[4d51835]	2272	type_declarator_name assertion_list_opt
	2273	{ $$ = $1->addAssertions( $2 ); }
[84d58c5]	2274	\| type_declarator_name assertion_list_opt '=' type
[4d51835]	2275	{ $$ = $1->addAssertions( $2 )->addType( $4 ); }
	2276	;
[b87a5ed]	2277
	2278	type_declarator_name: // CFA
[2871210]	2279	no_attr_identifier_or_type_name
[4d51835]	2280	{
[ecae5860]	2281	typedefTable.addToEnclosingScope( *$1, TYPEDEFname, "10" );
[4d51835]	2282	$$ = DeclarationNode::newTypeDecl( $1, 0 );
	2283	}
[35718a9]	2284	\| no_attr_identifier_or_type_name '(' type_parameter_list ')'
[4d51835]	2285	{
[ecae5860]	2286	typedefTable.addToEnclosingScope( *$1, TYPEGENname, "11" );
[35718a9]	2287	$$ = DeclarationNode::newTypeDecl( $1, $3 );
[4d51835]	2288	}
	2289	;
[b87a5ed]	2290
[4040425]	2291	trait_specifier: // CFA
[35718a9]	2292	TRAIT no_attr_identifier_or_type_name '(' type_parameter_list ')' '{' '}'
	2293	{ $$ = DeclarationNode::newTrait( $2, $4, 0 ); }
	2294	\| TRAIT no_attr_identifier_or_type_name '(' type_parameter_list ')' '{' push trait_declaration_list pop '}'
	2295	{ $$ = DeclarationNode::newTrait( $2, $4, $8 ); }
[4d51835]	2296	;
[b87a5ed]	2297
[84d58c5]	2298	trait_declaration_list: // CFA
[4040425]	2299	trait_declaration
[13e8427]	2300	\| trait_declaration_list pop push trait_declaration
	2301	{ $$ = $1->appendList( $4 ); }
[4d51835]	2302	;
[b87a5ed]	2303
[84d58c5]	2304	trait_declaration: // CFA
[13e8427]	2305	cfa_trait_declaring_list ';'
	2306	\| trait_declaring_list ';'
[4d51835]	2307	;
[b87a5ed]	2308
[c0aa336]	2309	cfa_trait_declaring_list: // CFA
	2310	cfa_variable_specifier
	2311	\| cfa_function_specifier
	2312	\| cfa_trait_declaring_list pop ',' push identifier_or_type_name
[7fdb94e]	2313	{ $$ = $1->appendList( $1->cloneType( $5 ) ); }
[4d51835]	2314	;
[b87a5ed]	2315
[4040425]	2316	trait_declaring_list: // CFA
[4d51835]	2317	type_specifier declarator
[7fdb94e]	2318	{ $$ = $2->addType( $1 ); }
[4040425]	2319	\| trait_declaring_list pop ',' push declarator
[7fdb94e]	2320	{ $$ = $1->appendList( $1->cloneBaseType( $5 ) ); }
[4d51835]	2321	;
[51b7345]	2322
[c11e31c]	2323	//*************************** EXTERNAL DEFINITIONS ***************************
[51b7345]	2324
	2325	translation_unit:
[3d56d15b]	2326	// empty, input file
[4d51835]	2327	\| external_definition_list
[a7741435]	2328	{ parseTree = parseTree ? parseTree->appendList( $1 ) : $1; }
[4d51835]	2329	;
[51b7345]	2330
	2331	external_definition_list:
[35718a9]	2332	push external_definition pop
	2333	{ $$ = $2; }
[df22130]	2334	\| external_definition_list
	2335	{ forall = xxx; }
[35718a9]	2336	push external_definition pop
[9997fee]	2337	{ $$ = $1 ? $1->appendList( $4 ) : $4; }
[4d51835]	2338	;
[51b7345]	2339
	2340	external_definition_list_opt:
[4d51835]	2341	// empty
[58dd019]	2342	{ $$ = nullptr; }
[3d56d15b]	2343	\| external_definition_list
	2344	;
	2345
	2346	up:
	2347	{ typedefTable.up(); }
	2348	;
	2349
	2350	down:
	2351	{ typedefTable.down(); }
[4d51835]	2352	;
[51b7345]	2353
	2354	external_definition:
[4d51835]	2355	declaration
	2356	\| external_function_definition
[ecae5860]	2357	\| EXTENSION external_definition // GCC, multiple __extension__ allowed, meaning unknown
	2358	{
	2359	distExt( $2 ); // mark all fields in list
	2360	$$ = $2;
	2361	}
[e994912]	2362	\| ASM '(' string_literal ')' ';' // GCC, global assembler statement
	2363	{
[6d539f83]	2364	$$ = DeclarationNode::newAsmStmt( new StatementNode( build_asm( false, $3, 0 ) ) );
[e994912]	2365	}
[c0aa336]	2366	\| EXTERN STRINGliteral // C++-style linkage specifier
[4d51835]	2367	{
[3b8e52c]	2368	linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
[d55d7a6]	2369	linkage = LinkageSpec::linkageUpdate( yylloc, linkage, $2 );
[4d51835]	2370	}
[3d56d15b]	2371	'{' up external_definition_list_opt down '}'
[4d51835]	2372	{
	2373	linkage = linkageStack.top();
	2374	linkageStack.pop();
[3d56d15b]	2375	$$ = $6;
[8e9cbb2]	2376	}
[9997fee]	2377	\| type_qualifier_list
	2378	{
[3d56d15b]	2379	if ( $1->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
	2380	if ( $1->type->forall ) xxx = forall = true; // remember generic type
	2381	}
	2382	'{' up external_definition_list_opt down '}' // CFA, namespace
	2383	{
	2384	for ( DeclarationNode * iter = $5; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
[1dbc8590]	2385	if ( isMangled( iter->linkage ) ) { // ignore extern "C"
	2386	iter->addQualifiers( $1->clone() );
	2387	} // if
[9997fee]	2388	} // for
	2389	xxx = false;
	2390	delete $1;
[3d56d15b]	2391	$$ = $5;
[9997fee]	2392	}
	2393	\| declaration_qualifier_list
	2394	{
[3d56d15b]	2395	if ( $1->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
	2396	if ( $1->type->forall ) xxx = forall = true; // remember generic type
	2397	}
	2398	'{' up external_definition_list_opt down '}' // CFA, namespace
	2399	{
	2400	for ( DeclarationNode * iter = $5; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
[1dbc8590]	2401	if ( isMangled( iter->linkage ) ) { // ignore extern "C"
	2402	iter->addQualifiers( $1->clone() );
	2403	} // if
[9997fee]	2404	} // for
	2405	xxx = false;
	2406	delete $1;
[3d56d15b]	2407	$$ = $5;
[9997fee]	2408	}
	2409	\| declaration_qualifier_list type_qualifier_list
	2410	{
[3d56d15b]	2411	if ( ($1->type && $1->type->qualifiers.val) \|\| $2->type->qualifiers.val ) { SemanticError( yylloc, "CV qualifiers cannot be distributed; only storage-class and forall qualifiers." ); }
	2412	if ( ($1->type && $1->type->forall) \|\| $2->type->forall ) xxx = forall = true; // remember generic type
[9997fee]	2413	}
[3d56d15b]	2414	'{' up external_definition_list_opt down '}' // CFA, namespace
[9997fee]	2415	{
[3d56d15b]	2416	for ( DeclarationNode * iter = $6; iter != nullptr; iter = (DeclarationNode *)iter->get_next() ) {
[1dbc8590]	2417	if ( isMangled( iter->linkage ) && isMangled( $2->linkage ) ) { // ignore extern "C"
	2418	iter->addQualifiers( $1->clone() );
	2419	iter->addQualifiers( $2->clone() );
	2420	} // if
[9997fee]	2421	} // for
	2422	xxx = false;
	2423	delete $1;
	2424	delete $2;
[3d56d15b]	2425	$$ = $6;
[9997fee]	2426	}
[4d51835]	2427	;
	2428
	2429	external_function_definition:
	2430	function_definition
[de62360d]	2431	// These rules are a concession to the "implicit int" type_specifier because there is a significant amount of
[c6b1105]	2432	// legacy code with global functions missing the type-specifier for the return type, and assuming "int".
	2433	// Parsing is possible because function_definition does not appear in the context of an expression (nested
	2434	// functions preclude this concession, i.e., all nested function must have a return type). A function prototype
	2435	// declaration must still have a type_specifier. OBSOLESCENT (see 1)
[4d51835]	2436	\| function_declarator compound_statement
[c0a33d2]	2437	{ $$ = $1->addFunctionBody( $2 ); }
[35718a9]	2438	\| KR_function_declarator KR_parameter_list_opt compound_statement
[c0a33d2]	2439	{ $$ = $1->addOldDeclList( $2 )->addFunctionBody( $3 ); }
[4d51835]	2440	;
[51b7345]	2441
[8b47e50]	2442	with_clause_opt:
	2443	// empty
[9997fee]	2444	{ $$ = nullptr; forall = false; }
[578e6037]	2445	\| WITH '(' tuple_expression_list ')'
[9997fee]	2446	{ $$ = $3; forall = false; }
[8b47e50]	2447	;
	2448
[51b7345]	2449	function_definition:
[8b47e50]	2450	cfa_function_declaration with_clause_opt compound_statement // CFA
[4d51835]	2451	{
[481115f]	2452	// Add the function body to the last identifier in the function definition list, i.e., foo3:
	2453	// [const double] foo1(), foo2( int ), foo3( double ) { return 3.0; }
[5fcba14]	2454	$1->get_last()->addFunctionBody( $3, $2 );
[481115f]	2455	$$ = $1;
[4d51835]	2456	}
[8b47e50]	2457	\| declaration_specifier function_declarator with_clause_opt compound_statement
[4d51835]	2458	{
[c38ae92]	2459	rebindForall( $1, $2 );
[7fdb94e]	2460	$$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
	2461	}
	2462	\| declaration_specifier variable_type_redeclarator with_clause_opt compound_statement
	2463	{
	2464	rebindForall( $1, $2 );
[5fcba14]	2465	$$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
[4d51835]	2466	}
[a16a7ec]	2467	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	2468	\| type_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	2469	{ $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
[a16a7ec]	2470	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	2471	\| declaration_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	2472	{ $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
[a16a7ec]	2473	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	2474	\| declaration_qualifier_list type_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	2475	{ $$ = $3->addFunctionBody( $5, $4 )->addQualifiers( $2 )->addQualifiers( $1 ); }
[4d51835]	2476
	2477	// Old-style K&R function definition, OBSOLESCENT (see 4)
[35718a9]	2478	\| declaration_specifier KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[4d51835]	2479	{
[c38ae92]	2480	rebindForall( $1, $2 );
[5fcba14]	2481	$$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addType( $1 );
[4d51835]	2482	}
[a16a7ec]	2483	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	2484	\| type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	2485	{ $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
[a16a7ec]	2486	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	2487	\| declaration_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	2488	{ $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
[a16a7ec]	2489	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	2490	\| declaration_qualifier_list type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	2491	{ $$ = $3->addOldDeclList( $4 )->addFunctionBody( $6, $5 )->addQualifiers( $2 )->addQualifiers( $1 ); }
[4d51835]	2492	;
[51b7345]	2493
	2494	declarator:
[4d51835]	2495	variable_declarator
[c6b1105]	2496	\| variable_type_redeclarator
[4d51835]	2497	\| function_declarator
	2498	;
[51b7345]	2499
	2500	subrange:
[4d51835]	2501	constant_expression '~' constant_expression // CFA, integer subrange
[db70fe4]	2502	{ $$ = new ExpressionNode( new RangeExpr( maybeMoveBuild< Expression >( $1 ), maybeMoveBuild< Expression >( $3 ) ) ); }
[4d51835]	2503	;
[b87a5ed]	2504
	2505	asm_name_opt: // GCC
[4d51835]	2506	// empty
[58dd019]	2507	{ $$ = nullptr; }
	2508	\| ASM '(' string_literal ')' attribute_list_opt
[c0aa336]	2509	{
	2510	DeclarationNode * name = new DeclarationNode();
	2511	name->asmName = $3;
	2512	$$ = name->addQualifiers( $5 );
	2513	}
[4d51835]	2514	;
[b87a5ed]	2515
	2516	attribute_list_opt: // GCC
[4d51835]	2517	// empty
[58dd019]	2518	{ $$ = nullptr; }
[4d51835]	2519	\| attribute_list
	2520	;
[b87a5ed]	2521
	2522	attribute_list: // GCC
[4d51835]	2523	attribute
	2524	\| attribute_list attribute
[1db21619]	2525	{ $$ = $2->addQualifiers( $1 ); }
[4d51835]	2526	;
[b87a5ed]	2527
	2528	attribute: // GCC
[44a81853]	2529	ATTRIBUTE '(' '(' attribute_name_list ')' ')'
	2530	{ $$ = $4; }
[4d51835]	2531	;
[b87a5ed]	2532
[44a81853]	2533	attribute_name_list: // GCC
	2534	attribute_name
	2535	\| attribute_name_list ',' attribute_name
[c0aa336]	2536	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	2537	;
[b87a5ed]	2538
[44a81853]	2539	attribute_name: // GCC
[4d51835]	2540	// empty
[44a81853]	2541	{ $$ = nullptr; }
	2542	\| attr_name
	2543	{ $$ = DeclarationNode::newAttribute( $1 ); }
	2544	\| attr_name '(' argument_expression_list ')'
	2545	{ $$ = DeclarationNode::newAttribute( $1, $3 ); }
[4d51835]	2546	;
[b87a5ed]	2547
[44a81853]	2548	attr_name: // GCC
	2549	IDENTIFIER
[5b2edbc]	2550	\| quasi_keyword
[44a81853]	2551	\| TYPEDEFname
	2552	\| TYPEGENname
[114014c]	2553	\| FALLTHROUGH
	2554	{ $$ = Token{ new string( "fallthrough" ), { nullptr, -1 } }; }
[44a81853]	2555	\| CONST
[9ff56e7]	2556	{ $$ = Token{ new string( "__const__" ), { nullptr, -1 } }; }
[4d51835]	2557	;
[51b7345]	2558
[c11e31c]	2559	// ============================================================================
[de62360d]	2560	// The following sections are a series of grammar patterns used to parse declarators. Multiple patterns are necessary
	2561	// because the type of an identifier in wrapped around the identifier in the same form as its usage in an expression, as
	2562	// in:
[c11e31c]	2563	//
[b87a5ed]	2564	// int (*f())[10] { ... };
	2565	// ... (*f())[3] += 1; // definition mimics usage
[c11e31c]	2566	//
[de62360d]	2567	// Because these patterns are highly recursive, changes at a lower level in the recursion require copying some or all of
	2568	// the pattern. Each of these patterns has some subtle variation to ensure correct syntax in a particular context.
[c11e31c]	2569	// ============================================================================
	2570
	2571	// ----------------------------------------------------------------------------
[de62360d]	2572	// The set of valid declarators before a compound statement for defining a function is less than the set of declarators
	2573	// to define a variable or function prototype, e.g.:
[c11e31c]	2574	//
[b87a5ed]	2575	// valid declaration invalid definition
	2576	// ----------------- ------------------
[4d51835]	2577	// int f; int f {}
	2578	// int f; int f {}
[b87a5ed]	2579	// int f[10]; int f[10] {}
[4d51835]	2580	// int (f)(int); int (f)(int) {}
[c11e31c]	2581	//
[de62360d]	2582	// To preclude this syntactic anomaly requires separating the grammar rules for variable and function declarators, hence
	2583	// variable_declarator and function_declarator.
[c11e31c]	2584	// ----------------------------------------------------------------------------
	2585
[de62360d]	2586	// This pattern parses a declaration of a variable that is not redefining a typedef name. The pattern precludes
	2587	// declaring an array of functions versus a pointer to an array of functions.
[51b7345]	2588
	2589	variable_declarator:
[4d51835]	2590	paren_identifier attribute_list_opt
[1db21619]	2591	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2592	\| variable_ptr
	2593	\| variable_array attribute_list_opt
[1db21619]	2594	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2595	\| variable_function attribute_list_opt
[1db21619]	2596	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2597	;
[51b7345]	2598
	2599	paren_identifier:
[4d51835]	2600	identifier
[7fdb94e]	2601	{ $$ = DeclarationNode::newName( $1 ); }
[4d51835]	2602	\| '(' paren_identifier ')' // redundant parenthesis
	2603	{ $$ = $2; }
	2604	;
[51b7345]	2605
	2606	variable_ptr:
[dd51906]	2607	ptrref_operator variable_declarator
[ce8c12f]	2608	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	2609	\| ptrref_operator type_qualifier_list variable_declarator
[ce8c12f]	2610	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2611	\| '(' variable_ptr ')' attribute_list_opt
	2612	{ $$ = $2->addQualifiers( $4 ); } // redundant parenthesis
[4d51835]	2613	;
[51b7345]	2614
	2615	variable_array:
[4d51835]	2616	paren_identifier array_dimension
	2617	{ $$ = $1->addArray( $2 ); }
	2618	\| '(' variable_ptr ')' array_dimension
	2619	{ $$ = $2->addArray( $4 ); }
	2620	\| '(' variable_array ')' multi_array_dimension // redundant parenthesis
	2621	{ $$ = $2->addArray( $4 ); }
	2622	\| '(' variable_array ')' // redundant parenthesis
	2623	{ $$ = $2; }
	2624	;
[51b7345]	2625
	2626	variable_function:
[4d51835]	2627	'(' variable_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2628	{ $$ = $2->addParamList( $6 ); }
	2629	\| '(' variable_function ')' // redundant parenthesis
	2630	{ $$ = $2; }
	2631	;
[51b7345]	2632
[c6b1105]	2633	// This pattern parses a function declarator that is not redefining a typedef name. For non-nested functions, there is
	2634	// no context where a function definition can redefine a typedef name, i.e., the typedef and function name cannot exist
	2635	// is the same scope. The pattern precludes returning arrays and functions versus pointers to arrays and functions.
[51b7345]	2636
	2637	function_declarator:
[4d51835]	2638	function_no_ptr attribute_list_opt
[1db21619]	2639	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2640	\| function_ptr
	2641	\| function_array attribute_list_opt
[1db21619]	2642	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2643	;
[51b7345]	2644
	2645	function_no_ptr:
[4d51835]	2646	paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2647	{ $$ = $1->addParamList( $4 ); }
	2648	\| '(' function_ptr ')' '(' push parameter_type_list_opt pop ')'
	2649	{ $$ = $2->addParamList( $6 ); }
	2650	\| '(' function_no_ptr ')' // redundant parenthesis
	2651	{ $$ = $2; }
	2652	;
[51b7345]	2653
	2654	function_ptr:
[dd51906]	2655	ptrref_operator function_declarator
[ce8c12f]	2656	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	2657	\| ptrref_operator type_qualifier_list function_declarator
[ce8c12f]	2658	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[4d51835]	2659	\| '(' function_ptr ')'
	2660	{ $$ = $2; }
	2661	;
[51b7345]	2662
	2663	function_array:
[4d51835]	2664	'(' function_ptr ')' array_dimension
	2665	{ $$ = $2->addArray( $4 ); }
	2666	\| '(' function_array ')' multi_array_dimension // redundant parenthesis
	2667	{ $$ = $2->addArray( $4 ); }
	2668	\| '(' function_array ')' // redundant parenthesis
	2669	{ $$ = $2; }
	2670	;
[51b7345]	2671
[c0aa336]	2672	// This pattern parses an old-style K&R function declarator (OBSOLESCENT, see 4)
	2673	//
	2674	// f( a, b, c ) int a, *b, c[]; {}
	2675	//
	2676	// that is not redefining a typedef name (see function_declarator for additional comments). The pattern precludes
	2677	// returning arrays and functions versus pointers to arrays and functions.
[51b7345]	2678
[c0aa336]	2679	KR_function_declarator:
	2680	KR_function_no_ptr
	2681	\| KR_function_ptr
	2682	\| KR_function_array
[4d51835]	2683	;
[51b7345]	2684
[c0aa336]	2685	KR_function_no_ptr:
[4d51835]	2686	paren_identifier '(' identifier_list ')' // function_declarator handles empty parameter
	2687	{ $$ = $1->addIdList( $3 ); }
[c0a33d2]	2688	\| '(' KR_function_ptr ')' '(' push parameter_type_list_opt pop ')'
	2689	{ $$ = $2->addParamList( $6 ); }
[c0aa336]	2690	\| '(' KR_function_no_ptr ')' // redundant parenthesis
[4d51835]	2691	{ $$ = $2; }
	2692	;
[51b7345]	2693
[c0aa336]	2694	KR_function_ptr:
	2695	ptrref_operator KR_function_declarator
[ce8c12f]	2696	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c0aa336]	2697	\| ptrref_operator type_qualifier_list KR_function_declarator
[ce8c12f]	2698	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2699	\| '(' KR_function_ptr ')'
[4d51835]	2700	{ $$ = $2; }
	2701	;
[51b7345]	2702
[c0aa336]	2703	KR_function_array:
	2704	'(' KR_function_ptr ')' array_dimension
[4d51835]	2705	{ $$ = $2->addArray( $4 ); }
[c0aa336]	2706	\| '(' KR_function_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	2707	{ $$ = $2->addArray( $4 ); }
[c0aa336]	2708	\| '(' KR_function_array ')' // redundant parenthesis
[4d51835]	2709	{ $$ = $2; }
	2710	;
[51b7345]	2711
[2871210]	2712	// This pattern parses a declaration for a variable or function prototype that redefines a type name, e.g.:
[c11e31c]	2713	//
[b87a5ed]	2714	// typedef int foo;
	2715	// {
	2716	// int foo; // redefine typedef name in new scope
	2717	// }
[c11e31c]	2718	//
[de62360d]	2719	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
	2720	// and functions versus pointers to arrays and functions.
[51b7345]	2721
[c6b1105]	2722	variable_type_redeclarator:
[2871210]	2723	paren_type attribute_list_opt
[1db21619]	2724	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2725	\| type_ptr
	2726	\| type_array attribute_list_opt
[1db21619]	2727	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2728	\| type_function attribute_list_opt
[1db21619]	2729	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2730	;
[51b7345]	2731
[2871210]	2732	paren_type:
	2733	typedef
[2f0a0678]	2734	// hide type name in enclosing scope by variable name
[ecae5860]	2735	{ typedefTable.addToEnclosingScope( *$1->name, IDENTIFIER, "ID" ); }
[2871210]	2736	\| '(' paren_type ')'
[4d51835]	2737	{ $$ = $2; }
	2738	;
[51b7345]	2739
[2871210]	2740	type_ptr:
[c6b1105]	2741	ptrref_operator variable_type_redeclarator
[ce8c12f]	2742	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c6b1105]	2743	\| ptrref_operator type_qualifier_list variable_type_redeclarator
[ce8c12f]	2744	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2745	\| '(' type_ptr ')' attribute_list_opt
	2746	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2747	;
[51b7345]	2748
[2871210]	2749	type_array:
	2750	paren_type array_dimension
[4d51835]	2751	{ $$ = $1->addArray( $2 ); }
[2871210]	2752	\| '(' type_ptr ')' array_dimension
[4d51835]	2753	{ $$ = $2->addArray( $4 ); }
[2871210]	2754	\| '(' type_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	2755	{ $$ = $2->addArray( $4 ); }
[2871210]	2756	\| '(' type_array ')' // redundant parenthesis
[4d51835]	2757	{ $$ = $2; }
	2758	;
[51b7345]	2759
[2871210]	2760	type_function:
	2761	paren_type '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[4d51835]	2762	{ $$ = $1->addParamList( $4 ); }
[2871210]	2763	\| '(' type_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[4d51835]	2764	{ $$ = $2->addParamList( $6 ); }
[2871210]	2765	\| '(' type_function ')' // redundant parenthesis
[4d51835]	2766	{ $$ = $2; }
	2767	;
[51b7345]	2768
[c0aa336]	2769	// This pattern parses a declaration for a parameter variable of a function prototype or actual that is not redefining a
	2770	// typedef name and allows the C99 array options, which can only appear in a parameter list. The pattern precludes
	2771	// declaring an array of functions versus a pointer to an array of functions, and returning arrays and functions versus
	2772	// pointers to arrays and functions.
[51b7345]	2773
	2774	identifier_parameter_declarator:
[4d51835]	2775	paren_identifier attribute_list_opt
[1db21619]	2776	{ $$ = $1->addQualifiers( $2 ); }
[b6b3c42]	2777	\| '&' MUTEX paren_identifier attribute_list_opt
	2778	{ $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf ) )->addQualifiers( $4 ); }
[4d51835]	2779	\| identifier_parameter_ptr
	2780	\| identifier_parameter_array attribute_list_opt
[1db21619]	2781	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2782	\| identifier_parameter_function attribute_list_opt
[1db21619]	2783	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2784	;
[51b7345]	2785
	2786	identifier_parameter_ptr:
[dd51906]	2787	ptrref_operator identifier_parameter_declarator
[ce8c12f]	2788	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	2789	\| ptrref_operator type_qualifier_list identifier_parameter_declarator
[ce8c12f]	2790	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2791	\| '(' identifier_parameter_ptr ')' attribute_list_opt
	2792	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2793	;
[51b7345]	2794
	2795	identifier_parameter_array:
[4d51835]	2796	paren_identifier array_parameter_dimension
	2797	{ $$ = $1->addArray( $2 ); }
	2798	\| '(' identifier_parameter_ptr ')' array_dimension
	2799	{ $$ = $2->addArray( $4 ); }
	2800	\| '(' identifier_parameter_array ')' multi_array_dimension // redundant parenthesis
	2801	{ $$ = $2->addArray( $4 ); }
	2802	\| '(' identifier_parameter_array ')' // redundant parenthesis
	2803	{ $$ = $2; }
	2804	;
[51b7345]	2805
	2806	identifier_parameter_function:
[c0a33d2]	2807	paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2808	{ $$ = $1->addParamList( $4 ); }
	2809	\| '(' identifier_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2810	{ $$ = $2->addParamList( $6 ); }
[4d51835]	2811	\| '(' identifier_parameter_function ')' // redundant parenthesis
	2812	{ $$ = $2; }
	2813	;
[b87a5ed]	2814
[de62360d]	2815	// This pattern parses a declaration for a parameter variable or function prototype that is redefining a typedef name,
	2816	// e.g.:
[c11e31c]	2817	//
[b87a5ed]	2818	// typedef int foo;
[114014c]	2819	// forall( otype T ) struct foo;
[b87a5ed]	2820	// int f( int foo ); // redefine typedef name in new scope
[c11e31c]	2821	//
[c0aa336]	2822	// and allows the C99 array options, which can only appear in a parameter list.
[51b7345]	2823
[2871210]	2824	type_parameter_redeclarator:
[4d51835]	2825	typedef attribute_list_opt
[1db21619]	2826	{ $$ = $1->addQualifiers( $2 ); }
[b6b3c42]	2827	\| '&' MUTEX typedef attribute_list_opt
	2828	{ $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf ) )->addQualifiers( $4 ); }
[2871210]	2829	\| type_parameter_ptr
	2830	\| type_parameter_array attribute_list_opt
[1db21619]	2831	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2832	\| type_parameter_function attribute_list_opt
[1db21619]	2833	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2834	;
[51b7345]	2835
	2836	typedef:
[4d51835]	2837	TYPEDEFname
[7fdb94e]	2838	{ $$ = DeclarationNode::newName( $1 ); }
[2871210]	2839	\| TYPEGENname
[7fdb94e]	2840	{ $$ = DeclarationNode::newName( $1 ); }
[4d51835]	2841	;
[51b7345]	2842
[2871210]	2843	type_parameter_ptr:
[dd51906]	2844	ptrref_operator type_parameter_redeclarator
[ce8c12f]	2845	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	2846	\| ptrref_operator type_qualifier_list type_parameter_redeclarator
[ce8c12f]	2847	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2848	\| '(' type_parameter_ptr ')' attribute_list_opt
	2849	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2850	;
[51b7345]	2851
[2871210]	2852	type_parameter_array:
[4d51835]	2853	typedef array_parameter_dimension
	2854	{ $$ = $1->addArray( $2 ); }
[2871210]	2855	\| '(' type_parameter_ptr ')' array_parameter_dimension
[4d51835]	2856	{ $$ = $2->addArray( $4 ); }
	2857	;
[51b7345]	2858
[2871210]	2859	type_parameter_function:
[c0a33d2]	2860	typedef '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2861	{ $$ = $1->addParamList( $4 ); }
	2862	\| '(' type_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2863	{ $$ = $2->addParamList( $6 ); }
[4d51835]	2864	;
[b87a5ed]	2865
[de62360d]	2866	// This pattern parses a declaration of an abstract variable or function prototype, i.e., there is no identifier to
	2867	// which the type applies, e.g.:
[c11e31c]	2868	//
[b87a5ed]	2869	// sizeof( int );
[c0aa336]	2870	// sizeof( int * );
[b87a5ed]	2871	// sizeof( int [10] );
[c0aa336]	2872	// sizeof( int (*)() );
	2873	// sizeof( int () );
[c11e31c]	2874	//
[de62360d]	2875	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
	2876	// and functions versus pointers to arrays and functions.
[51b7345]	2877
	2878	abstract_declarator:
[4d51835]	2879	abstract_ptr
	2880	\| abstract_array attribute_list_opt
[1db21619]	2881	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2882	\| abstract_function attribute_list_opt
[1db21619]	2883	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2884	;
[51b7345]	2885
	2886	abstract_ptr:
[dd51906]	2887	ptrref_operator
[ce8c12f]	2888	{ $$ = DeclarationNode::newPointer( 0, $1 ); }
[dd51906]	2889	\| ptrref_operator type_qualifier_list
[ce8c12f]	2890	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	2891	\| ptrref_operator abstract_declarator
[ce8c12f]	2892	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	2893	\| ptrref_operator type_qualifier_list abstract_declarator
[ce8c12f]	2894	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2895	\| '(' abstract_ptr ')' attribute_list_opt
	2896	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2897	;
[51b7345]	2898
	2899	abstract_array:
[4d51835]	2900	array_dimension
	2901	\| '(' abstract_ptr ')' array_dimension
	2902	{ $$ = $2->addArray( $4 ); }
	2903	\| '(' abstract_array ')' multi_array_dimension // redundant parenthesis
	2904	{ $$ = $2->addArray( $4 ); }
	2905	\| '(' abstract_array ')' // redundant parenthesis
	2906	{ $$ = $2; }
	2907	;
[51b7345]	2908
	2909	abstract_function:
[c0a33d2]	2910	'(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2911	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
	2912	\| '(' abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2913	{ $$ = $2->addParamList( $6 ); }
[4d51835]	2914	\| '(' abstract_function ')' // redundant parenthesis
	2915	{ $$ = $2; }
	2916	;
[51b7345]	2917
	2918	array_dimension:
[4d51835]	2919	// Only the first dimension can be empty.
[2871210]	2920	'[' ']'
[4d51835]	2921	{ $$ = DeclarationNode::newArray( 0, 0, false ); }
[2871210]	2922	\| '[' ']' multi_array_dimension
	2923	{ $$ = DeclarationNode::newArray( 0, 0, false )->addArray( $3 ); }
[4d51835]	2924	\| multi_array_dimension
	2925	;
[51b7345]	2926
	2927	multi_array_dimension:
[c0a33d2]	2928	'[' push assignment_expression pop ']'
	2929	{ $$ = DeclarationNode::newArray( $3, 0, false ); }
	2930	\| '[' push '*' pop ']' // C99
[4d51835]	2931	{ $$ = DeclarationNode::newVarArray( 0 ); }
[c0a33d2]	2932	\| multi_array_dimension '[' push assignment_expression pop ']'
	2933	{ $$ = $1->addArray( DeclarationNode::newArray( $4, 0, false ) ); }
	2934	\| multi_array_dimension '[' push '*' pop ']' // C99
[4d51835]	2935	{ $$ = $1->addArray( DeclarationNode::newVarArray( 0 ) ); }
	2936	;
[51b7345]	2937
[c11e31c]	2938	// This pattern parses a declaration of a parameter abstract variable or function prototype, i.e., there is no
	2939	// identifier to which the type applies, e.g.:
	2940	//
[c0aa336]	2941	// int f( int ); // not handled here
	2942	// int f( int * ); // abstract function-prototype parameter; no parameter name specified
	2943	// int f( int (*)() ); // abstract function-prototype parameter; no parameter name specified
[b87a5ed]	2944	// int f( int (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	2945	//
[de62360d]	2946	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
[c0aa336]	2947	// and functions versus pointers to arrays and functions. In addition, the pattern handles the
	2948	// special meaning of parenthesis around a typedef name:
	2949	//
	2950	// ISO/IEC 9899:1999 Section 6.7.5.3(11) : "In a parameter declaration, a single typedef name in
	2951	// parentheses is taken to be an abstract declarator that specifies a function with a single parameter,
	2952	// not as redundant parentheses around the identifier."
	2953	//
	2954	// For example:
	2955	//
	2956	// typedef float T;
	2957	// int f( int ( T [5] ) ); // see abstract_parameter_declarator
	2958	// int g( int ( T ( int ) ) ); // see abstract_parameter_declarator
	2959	// int f( int f1( T a[5] ) ); // see identifier_parameter_declarator
	2960	// int g( int g1( T g2( int p ) ) ); // see identifier_parameter_declarator
	2961	//
	2962	// In essence, a '(' immediately to the left of typedef name, T, is interpreted as starting a parameter type list, and
	2963	// not as redundant parentheses around a redeclaration of T. Finally, the pattern also precludes declaring an array of
	2964	// functions versus a pointer to an array of functions, and returning arrays and functions versus pointers to arrays and
	2965	// functions.
[51b7345]	2966
	2967	abstract_parameter_declarator:
[4d51835]	2968	abstract_parameter_ptr
[b6b3c42]	2969	\| '&' MUTEX attribute_list_opt
	2970	{ $$ = DeclarationNode::newPointer( DeclarationNode::newTypeQualifier( Type::Mutex ), OperKinds::AddressOf )->addQualifiers( $3 ); }
[4d51835]	2971	\| abstract_parameter_array attribute_list_opt
[1db21619]	2972	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2973	\| abstract_parameter_function attribute_list_opt
[1db21619]	2974	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2975	;
[51b7345]	2976
	2977	abstract_parameter_ptr:
[dd51906]	2978	ptrref_operator
[ce8c12f]	2979	{ $$ = DeclarationNode::newPointer( nullptr, $1 ); }
[dd51906]	2980	\| ptrref_operator type_qualifier_list
[ce8c12f]	2981	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	2982	\| ptrref_operator abstract_parameter_declarator
[ce8c12f]	2983	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	2984	\| ptrref_operator type_qualifier_list abstract_parameter_declarator
[ce8c12f]	2985	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	2986	\| '(' abstract_parameter_ptr ')' attribute_list_opt
	2987	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2988	;
[51b7345]	2989
	2990	abstract_parameter_array:
[4d51835]	2991	array_parameter_dimension
	2992	\| '(' abstract_parameter_ptr ')' array_parameter_dimension
	2993	{ $$ = $2->addArray( $4 ); }
	2994	\| '(' abstract_parameter_array ')' multi_array_dimension // redundant parenthesis
	2995	{ $$ = $2->addArray( $4 ); }
	2996	\| '(' abstract_parameter_array ')' // redundant parenthesis
	2997	{ $$ = $2; }
	2998	;
[51b7345]	2999
	3000	abstract_parameter_function:
[c0a33d2]	3001	'(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	3002	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
	3003	\| '(' abstract_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	3004	{ $$ = $2->addParamList( $6 ); }
[4d51835]	3005	\| '(' abstract_parameter_function ')' // redundant parenthesis
	3006	{ $$ = $2; }
	3007	;
[51b7345]	3008
	3009	array_parameter_dimension:
[4d51835]	3010	// Only the first dimension can be empty or have qualifiers.
	3011	array_parameter_1st_dimension
	3012	\| array_parameter_1st_dimension multi_array_dimension
	3013	{ $$ = $1->addArray( $2 ); }
	3014	\| multi_array_dimension
	3015	;
[51b7345]	3016
[c11e31c]	3017	// The declaration of an array parameter has additional syntax over arrays in normal variable declarations:
	3018	//
[de62360d]	3019	// ISO/IEC 9899:1999 Section 6.7.5.2(1) : "The optional type qualifiers and the keyword static shall appear only in
	3020	// a declaration of a function parameter with an array type, and then only in the outermost array type derivation."
[51b7345]	3021
	3022	array_parameter_1st_dimension:
[2871210]	3023	'[' ']'
[4d51835]	3024	{ $$ = DeclarationNode::newArray( 0, 0, false ); }
[13e8427]	3025	// multi_array_dimension handles the '[' '*' ']' case
[c0a33d2]	3026	\| '[' push type_qualifier_list '*' pop ']' // remaining C99
	3027	{ $$ = DeclarationNode::newVarArray( $3 ); }
	3028	\| '[' push type_qualifier_list pop ']'
	3029	{ $$ = DeclarationNode::newArray( 0, $3, false ); }
[13e8427]	3030	// multi_array_dimension handles the '[' assignment_expression ']' case
[c0a33d2]	3031	\| '[' push type_qualifier_list assignment_expression pop ']'
	3032	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	3033	\| '[' push STATIC type_qualifier_list_opt assignment_expression pop ']'
	3034	{ $$ = DeclarationNode::newArray( $5, $4, true ); }
	3035	\| '[' push type_qualifier_list STATIC assignment_expression pop ']'
	3036	{ $$ = DeclarationNode::newArray( $5, $3, true ); }
[4d51835]	3037	;
[b87a5ed]	3038
[c0aa336]	3039	// This pattern parses a declaration of an abstract variable, but does not allow "int ()" for a function pointer.
[c11e31c]	3040	//
[c0aa336]	3041	// struct S {
	3042	// int;
	3043	// int *;
	3044	// int [10];
	3045	// int (*)();
	3046	// };
[51b7345]	3047
	3048	variable_abstract_declarator:
[4d51835]	3049	variable_abstract_ptr
	3050	\| variable_abstract_array attribute_list_opt
[1db21619]	3051	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3052	\| variable_abstract_function attribute_list_opt
[1db21619]	3053	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3054	;
[51b7345]	3055
	3056	variable_abstract_ptr:
[dd51906]	3057	ptrref_operator
[ce8c12f]	3058	{ $$ = DeclarationNode::newPointer( 0, $1 ); }
[dd51906]	3059	\| ptrref_operator type_qualifier_list
[ce8c12f]	3060	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	3061	\| ptrref_operator variable_abstract_declarator
[ce8c12f]	3062	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	3063	\| ptrref_operator type_qualifier_list variable_abstract_declarator
[ce8c12f]	3064	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	3065	\| '(' variable_abstract_ptr ')' attribute_list_opt
	3066	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	3067	;
[51b7345]	3068
	3069	variable_abstract_array:
[4d51835]	3070	array_dimension
	3071	\| '(' variable_abstract_ptr ')' array_dimension
	3072	{ $$ = $2->addArray( $4 ); }
	3073	\| '(' variable_abstract_array ')' multi_array_dimension // redundant parenthesis
	3074	{ $$ = $2->addArray( $4 ); }
	3075	\| '(' variable_abstract_array ')' // redundant parenthesis
	3076	{ $$ = $2; }
	3077	;
[51b7345]	3078
	3079	variable_abstract_function:
[c0a33d2]	3080	'(' variable_abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	3081	{ $$ = $2->addParamList( $6 ); }
[4d51835]	3082	\| '(' variable_abstract_function ')' // redundant parenthesis
	3083	{ $$ = $2; }
	3084	;
[b87a5ed]	3085
[de62360d]	3086	// This pattern parses a new-style declaration for a parameter variable or function prototype that is either an
	3087	// identifier or typedef name and allows the C99 array options, which can only appear in a parameter list.
[b87a5ed]	3088
[c0aa336]	3089	cfa_identifier_parameter_declarator_tuple: // CFA
	3090	cfa_identifier_parameter_declarator_no_tuple
	3091	\| cfa_abstract_tuple
	3092	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	3093	{ $$ = $2->addQualifiers( $1 ); }
	3094	;
[b87a5ed]	3095
[c0aa336]	3096	cfa_identifier_parameter_declarator_no_tuple: // CFA
	3097	cfa_identifier_parameter_ptr
	3098	\| cfa_identifier_parameter_array
[4d51835]	3099	;
[b87a5ed]	3100
[c0aa336]	3101	cfa_identifier_parameter_ptr: // CFA
[d0ffed1]	3102	// No SUE declaration in parameter list.
	3103	ptrref_operator type_specifier_nobody
[ce8c12f]	3104	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[d0ffed1]	3105	\| type_qualifier_list ptrref_operator type_specifier_nobody
[ce8c12f]	3106	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	3107	\| ptrref_operator cfa_abstract_function
[ce8c12f]	3108	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c0aa336]	3109	\| type_qualifier_list ptrref_operator cfa_abstract_function
[ce8c12f]	3110	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	3111	\| ptrref_operator cfa_identifier_parameter_declarator_tuple
[ce8c12f]	3112	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c0aa336]	3113	\| type_qualifier_list ptrref_operator cfa_identifier_parameter_declarator_tuple
[ce8c12f]	3114	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[4d51835]	3115	;
[b87a5ed]	3116
[c0aa336]	3117	cfa_identifier_parameter_array: // CFA
[de62360d]	3118	// Only the first dimension can be empty or have qualifiers. Empty dimension must be factored out due to
	3119	// shift/reduce conflict with new-style empty (void) function return type.
[d0ffed1]	3120	'[' ']' type_specifier_nobody
[2871210]	3121	{ $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[d0ffed1]	3122	\| cfa_array_parameter_1st_dimension type_specifier_nobody
[4d51835]	3123	{ $$ = $2->addNewArray( $1 ); }
[d0ffed1]	3124	\| '[' ']' multi_array_dimension type_specifier_nobody
[2871210]	3125	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[d0ffed1]	3126	\| cfa_array_parameter_1st_dimension multi_array_dimension type_specifier_nobody
[4d51835]	3127	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[d0ffed1]	3128	\| multi_array_dimension type_specifier_nobody
[4d51835]	3129	{ $$ = $2->addNewArray( $1 ); }
[9059213]	3130
[c0aa336]	3131	\| '[' ']' cfa_identifier_parameter_ptr
[2871210]	3132	{ $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[c0aa336]	3133	\| cfa_array_parameter_1st_dimension cfa_identifier_parameter_ptr
[4d51835]	3134	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	3135	\| '[' ']' multi_array_dimension cfa_identifier_parameter_ptr
[2871210]	3136	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[c0aa336]	3137	\| cfa_array_parameter_1st_dimension multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	3138	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[c0aa336]	3139	\| multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	3140	{ $$ = $2->addNewArray( $1 ); }
	3141	;
[51b7345]	3142
[c0aa336]	3143	cfa_array_parameter_1st_dimension:
[c0a33d2]	3144	'[' push type_qualifier_list '*' pop ']' // remaining C99
	3145	{ $$ = DeclarationNode::newVarArray( $3 ); }
	3146	\| '[' push type_qualifier_list assignment_expression pop ']'
	3147	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	3148	\| '[' push declaration_qualifier_list assignment_expression pop ']'
[4d51835]	3149	// declaration_qualifier_list must be used because of shift/reduce conflict with
	3150	// assignment_expression, so a semantic check is necessary to preclude them as a type_qualifier cannot
	3151	// appear in this context.
[c0a33d2]	3152	{ $$ = DeclarationNode::newArray( $4, $3, true ); }
	3153	\| '[' push declaration_qualifier_list type_qualifier_list assignment_expression pop ']'
	3154	{ $$ = DeclarationNode::newArray( $5, $4->addQualifiers( $3 ), true ); }
[4d51835]	3155	;
[b87a5ed]	3156
[de62360d]	3157	// This pattern parses a new-style declaration of an abstract variable or function prototype, i.e., there is no
	3158	// identifier to which the type applies, e.g.:
[c11e31c]	3159	//
[b87a5ed]	3160	// [int] f( int ); // abstract variable parameter; no parameter name specified
	3161	// [int] f( [int] (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	3162	//
	3163	// These rules need LR(3):
	3164	//
[c0aa336]	3165	// cfa_abstract_tuple identifier_or_type_name
[40de461]	3166	// '[' cfa_parameter_list ']' identifier_or_type_name '(' cfa_parameter_ellipsis_list_opt ')'
[c11e31c]	3167	//
	3168	// since a function return type can be syntactically identical to a tuple type:
	3169	//
[b87a5ed]	3170	// [int, int] t;
	3171	// [int, int] f( int );
[c11e31c]	3172	//
[2871210]	3173	// Therefore, it is necessary to look at the token after identifier_or_type_name to know when to reduce
[c0aa336]	3174	// cfa_abstract_tuple. To make this LR(1), several rules have to be flattened (lengthened) to allow the necessary
	3175	// lookahead. To accomplish this, cfa_abstract_declarator has an entry point without tuple, and tuple declarations are
	3176	// duplicated when appearing with cfa_function_specifier.
[b87a5ed]	3177
[c0aa336]	3178	cfa_abstract_declarator_tuple: // CFA
	3179	cfa_abstract_tuple
	3180	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	3181	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	3182	\| cfa_abstract_declarator_no_tuple
[4d51835]	3183	;
[b87a5ed]	3184
[c0aa336]	3185	cfa_abstract_declarator_no_tuple: // CFA
	3186	cfa_abstract_ptr
	3187	\| cfa_abstract_array
[4d51835]	3188	;
[b87a5ed]	3189
[c0aa336]	3190	cfa_abstract_ptr: // CFA
[dd51906]	3191	ptrref_operator type_specifier
[ce8c12f]	3192	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[dd51906]	3193	\| type_qualifier_list ptrref_operator type_specifier
[ce8c12f]	3194	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	3195	\| ptrref_operator cfa_abstract_function
[ce8c12f]	3196	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c0aa336]	3197	\| type_qualifier_list ptrref_operator cfa_abstract_function
[ce8c12f]	3198	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	3199	\| ptrref_operator cfa_abstract_declarator_tuple
[ce8c12f]	3200	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0, $1 ) ); }
[c0aa336]	3201	\| type_qualifier_list ptrref_operator cfa_abstract_declarator_tuple
[ce8c12f]	3202	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[4d51835]	3203	;
[b87a5ed]	3204
[c0aa336]	3205	cfa_abstract_array: // CFA
[de62360d]	3206	// Only the first dimension can be empty. Empty dimension must be factored out due to shift/reduce conflict with
	3207	// empty (void) function return type.
[2871210]	3208	'[' ']' type_specifier
[2298f728]	3209	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[2871210]	3210	\| '[' ']' multi_array_dimension type_specifier
[2298f728]	3211	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[4d51835]	3212	\| multi_array_dimension type_specifier
	3213	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	3214	\| '[' ']' cfa_abstract_ptr
[2298f728]	3215	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	3216	\| '[' ']' multi_array_dimension cfa_abstract_ptr
[2298f728]	3217	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	3218	\| multi_array_dimension cfa_abstract_ptr
[4d51835]	3219	{ $$ = $2->addNewArray( $1 ); }
	3220	;
[b87a5ed]	3221
[c0aa336]	3222	cfa_abstract_tuple: // CFA
[c0a33d2]	3223	'[' push cfa_abstract_parameter_list pop ']'
	3224	{ $$ = DeclarationNode::newTuple( $3 ); }
[35718a9]	3225	\| '[' push type_specifier_nobody ELLIPSIS pop ']'
[13e8427]	3226	{ SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
[35718a9]	3227	\| '[' push type_specifier_nobody ELLIPSIS constant_expression pop ']'
[13e8427]	3228	{ SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
[4d51835]	3229	;
[b87a5ed]	3230
[c0aa336]	3231	cfa_abstract_function: // CFA
[40de461]	3232	// '[' ']' '(' cfa_parameter_ellipsis_list_opt ')'
[1b29996]	3233	// { $$ = DeclarationNode::newFunction( nullptr, DeclarationNode::newTuple( nullptr ), $4, nullptr ); }
[40de461]	3234	cfa_abstract_tuple '(' push cfa_parameter_ellipsis_list_opt pop ')'
[c0a33d2]	3235	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[40de461]	3236	\| cfa_function_return '(' push cfa_parameter_ellipsis_list_opt pop ')'
[c0a33d2]	3237	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[4d51835]	3238	;
[b87a5ed]	3239
[de62360d]	3240	// 1) ISO/IEC 9899:1999 Section 6.7.2(2) : "At least one type specifier shall be given in the declaration specifiers in
	3241	// each declaration, and in the specifier-qualifier list in each structure declaration and type name."
[c11e31c]	3242	//
[de62360d]	3243	// 2) ISO/IEC 9899:1999 Section 6.11.5(1) : "The placement of a storage-class specifier other than at the beginning of
	3244	// the declaration specifiers in a declaration is an obsolescent feature."
[c11e31c]	3245	//
	3246	// 3) ISO/IEC 9899:1999 Section 6.11.6(1) : "The use of function declarators with empty parentheses (not
	3247	// prototype-format parameter type declarators) is an obsolescent feature."
	3248	//
[de62360d]	3249	// 4) ISO/IEC 9899:1999 Section 6.11.7(1) : "The use of function definitions with separate parameter identifier and
	3250	// declaration lists (not prototype-format parameter type and identifier declarators) is an obsolescent feature.
[51b7345]	3251
[c11e31c]	3252	//*********************** MISCELLANEOUS ******************************
[51b7345]	3253
[b87a5ed]	3254	comma_opt: // redundant comma
[4d51835]	3255	// empty
	3256	\| ','
	3257	;
[51b7345]	3258
[994d080]	3259	default_initialize_opt:
[4d51835]	3260	// empty
[58dd019]	3261	{ $$ = nullptr; }
[4d51835]	3262	\| '=' assignment_expression
	3263	{ $$ = $2; }
	3264	;
[51b7345]	3265
	3266	%%
[a1c9ddd]	3267
[c11e31c]	3268	// ----end of grammar----
[51b7345]	3269
[c11e31c]	3270	// Local Variables: //
[b87a5ed]	3271	// mode: c++ //
[de62360d]	3272	// tab-width: 4 //
[c11e31c]	3273	// compile-command: "make install" //
	3274	// End: //

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