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parser.yy @ da87eaf

Last change on this file since da87eaf was d9bad51, checked in by Andrew Beach <ajbeach@…>, 6 months ago
Fixed memory leak in the parser.
Property mode set to `100644`
File size: 176.2 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
[04c78215]	11	// Last Modified By : Peter A. Buhr
[42422fb]	12	// Last Modified On : Sat Mar 16 18:19:23 2024
	13	// Update Count : 6617
[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	//
[9380add]	28	// designation with '=' (use ':' instead)
[c11e31c]	29	//
[9380add]	30	// This incompatibility is discussed in detail before the "designation" grammar rule. Most of the syntactic extensions
	31	// from ANSI90 to ANSI11 C are marked with the comment "C99/C11".
[f9c3100]	32
[e16eb460]	33	// This grammar also has two levels of extensions. The first extensions cover most of the GCC C extensions. All of the
[9380add]	34	// syntactic extensions for GCC C are marked with the comment "GCC". The second extensions are for Cforall (CFA), which
	35	// fixes several of C's outstanding problems and extends C with many modern language concepts. All of the syntactic
	36	// extensions for CFA C are marked with the comment "CFA".
[51b7345]	37
	38	%{
[ec3f9c8]	39	#define YYDEBUG_LEXER_TEXT( yylval ) // lexer loads this up each time
[b87a5ed]	40	#define YYDEBUG 1 // get the pretty debugging code to compile
[201aeb9]	41	#define YYERROR_VERBOSE // more information in syntax errors
[51b7345]	42
	43	#undef __GNUC_MINOR__
	44
	45	#include <cstdio>
[9feb34b]	46	#include <sstream>
[51b7345]	47	#include <stack>
[9ed4f94]	48	using namespace std;
	49
[c468150]	50	#include "DeclarationNode.h" // for DeclarationNode, ...
	51	#include "ExpressionNode.h" // for ExpressionNode, ...
	52	#include "InitializerNode.h" // for InitializerNode, ...
	53	#include "ParserTypes.h"
	54	#include "StatementNode.h" // for build_...
[984dce6]	55	#include "TypedefTable.h"
[1db21619]	56	#include "TypeData.h"
[9ed4f94]	57	#include "Common/SemanticError.h" // error_str
[513e165]	58	#include "Common/utility.h" // for maybeMoveBuild, maybeBuild, CodeLo...
[51b7345]	59
[ae2f2ae]	60	// lex uses __null in a boolean context, it's fine.
[0bd46fd]	61	#ifdef __clang__
[09f34a84]	62	#pragma GCC diagnostic ignored "-Wparentheses-equality"
[0bd46fd]	63	#endif
[ae2f2ae]	64
[cbaee0d]	65	extern DeclarationNode * parseTree;
[bb7422a]	66	extern ast::Linkage::Spec linkage;
[0da3e2c]	67	extern TypedefTable typedefTable;
	68
[bb7422a]	69	stack<ast::Linkage::Spec> linkageStack;
[7bf7fb9]	70
[15697ff]	71	bool appendStr( string & to, string & from ) {
	72	// 1. Multiple strings are concatenated into a single string but not combined internally. The reason is that
[ea0c5e3]	73	// "\x12" "3" is treated as 2 characters versus 1 because "escape sequences are converted into single members of
[15697ff]	74	// the execution character set just prior to adjacent string literal concatenation" (C11, Section 6.4.5-8). It is
	75	// easier to let the C compiler handle this case.
	76	//
	77	// 2. String encodings are transformed into canonical form (one encoding at start) so the encoding can be found
	78	// without searching the string, e.g.: "abc" L"def" L"ghi" => L"abc" "def" "ghi". Multiple encodings must match,
[efc8f3e]	79	// e.g., u"a" U"b" L"c" is disallowed.
[15697ff]	80
	81	if ( from[0] != '"' ) { // encoding ?
	82	if ( to[0] != '"' ) { // encoding ?
[ea0c5e3]	83	if ( to[0] != from[0] \|\| to[1] != from[1] ) { // different encodings ?
[15697ff]	84	yyerror( "non-matching string encodings for string-literal concatenation" );
	85	return false; // parse error, must call YYERROR in action
[ea0c5e3]	86	} else if ( from[1] == '8' ) {
	87	from.erase( 0, 1 ); // remove 2nd encoding
[15697ff]	88	} // if
	89	} else {
[ea0c5e3]	90	if ( from[1] == '8' ) { // move encoding to start
	91	to = "u8" + to;
	92	from.erase( 0, 1 ); // remove 2nd encoding
	93	} else {
	94	to = from[0] + to;
	95	} // if
[15697ff]	96	} // if
	97	from.erase( 0, 1 ); // remove 2nd encoding
	98	} // if
	99	to += " " + from; // concatenated into single string
	100	return true;
[7bf7fb9]	101	} // appendStr
[c0aa336]	102
[d8454b9]	103	DeclarationNode * distAttr( DeclarationNode * typeSpec, DeclarationNode * declList ) {
[4eb3a7c5]	104	// Distribute type specifier across all declared variables, e.g., static, const, __attribute__.
[d8454b9]	105	assert( declList );
	106
[4eb3a7c5]	107	// Do not distribute attributes for aggregates because the attributes surrounding the aggregate belong it not the
	108	// variables in the declaration list, e.g.,
	109	//
	110	// struct __attribute__(( aligned(128) )) S { ...
	111	// } v1 __attribute__(( aligned(64) )), v2 __attribute__(( aligned(32) )), v3;
	112	// struct S v4;
	113	//
	114	// v1 => 64, v2 =>32, v3 => 128, v2 => 128
	115	//
	116	// Anonymous aggregates are a special case because there is no aggregate to bind the attribute to; hence it floats
	117	// to the declaration list.
	118	//
	119	// struct __attribute__(( aligned(128) )) /anonymous / { ... } v1;
	120	//
	121	// v1 => 128
	122
	123	bool copyattr = ! (typeSpec->type && typeSpec->type->kind == TypeData::Aggregate && ! typeSpec->type->aggregate.anon );
	124
	125	// addType copies the type information for the aggregate instances from typeSpec into cl's aggInst.aggregate.
	126	DeclarationNode * cl = (new DeclarationNode)->addType( typeSpec ); // typeSpec IS DELETED!!!
	127
[647e2ea]	128	// Start at second variable in declaration list and clone the type specifiers for each variable.
[44adf1b]	129	for ( DeclarationNode * cur = declList->next ; cur != nullptr; cur = cur->next ) {
[4eb3a7c5]	130	cl->cloneBaseType( cur, copyattr ); // cur is modified
[c0aa336]	131	} // for
[4eb3a7c5]	132
	133	// Add first variable in declaration list with hidden type information in aggInst.aggregate, which is used by
	134	// extractType to recover the type for the aggregate instances.
	135	declList->addType( cl, copyattr ); // cl IS DELETED!!!
[c0aa336]	136	return declList;
	137	} // distAttr
	138
	139	void distExt( DeclarationNode * declaration ) {
	140	// distribute EXTENSION across all declarations
[44adf1b]	141	for ( DeclarationNode *iter = declaration ; iter != nullptr ; iter = iter->next ) {
[c0aa336]	142	iter->set_extension( true );
	143	} // for
	144	} // distExt
[fdca7c6]	145
[e07caa2]	146	void distInl( DeclarationNode * declaration ) {
[5695645]	147	// distribute INLINE across all declarations
[44adf1b]	148	for ( DeclarationNode *iter = declaration ; iter != nullptr ; iter = iter->next ) {
[e07caa2]	149	iter->set_inLine( true );
	150	} // for
	151	} // distInl
	152
[4c3ee8d]	153	void distQual( DeclarationNode * declaration, DeclarationNode * qualifiers ) {
[284da8c]	154	// distribute qualifiers across all non-variable declarations in a distribution statemement
[44adf1b]	155	for ( DeclarationNode * iter = declaration ; iter != nullptr ; iter = iter->next ) {
[284da8c]	156	// SKULLDUGGERY: Distributions are parsed inside out, so qualifiers are added to declarations inside out. Since
	157	// addQualifiers appends to the back of the list, the forall clauses are in the wrong order (right to left). To
	158	// get the qualifiers in the correct order and still use addQualifiers (otherwise, 90% of addQualifiers has to
	159	// be copied to add to front), the appropriate forall pointers are interchanged before calling addQualifiers.
	160	DeclarationNode * clone = qualifiers->clone();
	161	if ( qualifiers->type ) { // forall clause ? (handles SC)
	162	if ( iter->type->kind == TypeData::Aggregate ) { // struct/union ?
	163	swap( clone->type->forall, iter->type->aggregate.params );
	164	iter->addQualifiers( clone );
	165	} else if ( iter->type->kind == TypeData::AggregateInst && iter->type->aggInst.aggregate->aggregate.body ) { // struct/union ?
	166	// Create temporary node to hold aggregate, call addQualifiers as above, then put nodes back together.
	167	DeclarationNode newnode;
	168	swap( newnode.type, iter->type->aggInst.aggregate );
	169	swap( clone->type->forall, newnode.type->aggregate.params );
	170	newnode.addQualifiers( clone );
	171	swap( newnode.type, iter->type->aggInst.aggregate );
	172	} else if ( iter->type->kind == TypeData::Function ) { // routines ?
	173	swap( clone->type->forall, iter->type->forall );
	174	iter->addQualifiers( clone );
	175	} // if
	176	} else { // just SC qualifiers
	177	iter->addQualifiers( clone );
	178	} // if
[4c3ee8d]	179	} // for
[284da8c]	180	delete qualifiers;
	181	} // distQual
[4c3ee8d]	182
[c38ae92]	183	// There is an ambiguity for inline generic-routine return-types and generic routines.
	184	// forall( otype T ) struct S { int i; } bar( T ) {}
	185	// Does the forall bind to the struct or the routine, and how would it be possible to explicitly specify the binding.
	186	// forall( otype T ) struct S { int T; } forall( otype W ) bar( W ) {}
[7fdb94e]	187	// Currently, the forall is associated with the routine, and the generic type has to be separately defined:
	188	// forall( otype T ) struct S { int T; };
	189	// forall( otype W ) bar( W ) {}
[c38ae92]	190
	191	void rebindForall( DeclarationNode * declSpec, DeclarationNode * funcDecl ) {
[7fdb94e]	192	if ( declSpec->type->kind == TypeData::Aggregate ) { // ignore aggregate definition
[c38ae92]	193	funcDecl->type->forall = declSpec->type->aggregate.params; // move forall from aggregate to function type
	194	declSpec->type->aggregate.params = nullptr;
	195	} // if
	196	} // rebindForall
	197
[60a8062]	198	string * build_postfix_name( string * name ) {
	199	name = string("__postfix_func_") + name;
	200	return name;
[dc7db63]	201	} // build_postfix_name
	202
[f7e4db27]	203	DeclarationNode * fieldDecl( DeclarationNode * typeSpec, DeclarationNode * fieldList ) {
[67467a3]	204	if ( nullptr == fieldList ) {
	205	if ( !( typeSpec->type && typeSpec->type->kind == TypeData::Aggregate ) ) {
[f7e4db27]	206	stringstream ss;
[d8454b9]	207	// printf( "fieldDecl1 typeSpec %p\n", typeSpec ); typeSpec->type->print( std::cout );
[f7e4db27]	208	SemanticWarning( yylloc, Warning::SuperfluousDecl, ss.str().c_str() );
	209	return nullptr;
	210	} // if
[d8454b9]	211	// printf( "fieldDecl2 typeSpec %p\n", typeSpec ); typeSpec->type->print( std::cout );
[f7e4db27]	212	fieldList = DeclarationNode::newName( nullptr );
	213	} // if
[d8454b9]	214
	215	// printf( "fieldDecl3 typeSpec %p\n", typeSpec ); typeSpec->print( std::cout, 0 );
[4eb3a7c5]	216	DeclarationNode * temp = distAttr( typeSpec, fieldList ); // mark all fields in list
[d8454b9]	217	// printf( "fieldDecl4 temp %p\n", temp ); temp->print( std::cout, 0 );
	218	return temp;
[f7e4db27]	219	} // fieldDecl
	220
[bb7422a]	221	#define NEW_ZERO new ExpressionNode( build_constantInteger( yylloc, *new string( "0" ) ) )
	222	#define NEW_ONE new ExpressionNode( build_constantInteger( yylloc, *new string( "1" ) ) )
[52be5948]	223	#define UPDOWN( compop, left, right ) (compop == OperKinds::LThan \|\| compop == OperKinds::LEThan ? left : right)
[55266c7]	224	#define MISSING_ANON_FIELD "syntax error, missing loop fields with an anonymous loop index is meaningless as loop index is unavailable in loop body."
	225	#define MISSING_LOW "syntax error, missing low value for up-to range so index is uninitialized."
	226	#define MISSING_HIGH "syntax error, missing high value for down-to range so index is uninitialized."
[d78c238]	227
[1cdc052]	228	static ForCtrl * makeForCtrl(
[bb7422a]	229	const CodeLocation & location,
[1cdc052]	230	DeclarationNode * init,
	231	enum OperKinds compop,
	232	ExpressionNode * comp,
	233	ExpressionNode * inc ) {
	234	// Wrap both comp/inc if they are non-null.
[bb7422a]	235	if ( comp ) comp = new ExpressionNode( build_binary_val( location,
[1cdc052]	236	compop,
[bb7422a]	237	new ExpressionNode( build_varref( location, new string( *init->name ) ) ),
[1cdc052]	238	comp ) );
[bb7422a]	239	if ( inc ) inc = new ExpressionNode( build_binary_val( location,
[1cdc052]	240	// choose += or -= for upto/downto
	241	compop == OperKinds::LThan \|\| compop == OperKinds::LEThan ? OperKinds::PlusAssn : OperKinds::MinusAssn,
[bb7422a]	242	new ExpressionNode( build_varref( location, new string( *init->name ) ) ),
[1cdc052]	243	inc ) );
	244	// The StatementNode call frees init->name, it must happen later.
	245	return new ForCtrl( new StatementNode( init ), comp, inc );
	246	}
	247
[bb7422a]	248	ForCtrl * forCtrl( const CodeLocation & location, DeclarationNode * index, ExpressionNode * start, enum OperKinds compop, ExpressionNode * comp, ExpressionNode * inc ) {
[d78c238]	249	if ( index->initializer ) {
[55266c7]	250	SemanticError( yylloc, "syntax error, direct initialization disallowed. Use instead: type var; initialization ~ comparison ~ increment." );
[d78c238]	251	} // if
	252	if ( index->next ) {
[55266c7]	253	SemanticError( yylloc, "syntax error, multiple loop indexes disallowed in for-loop declaration." );
[d78c238]	254	} // if
[1cdc052]	255	DeclarationNode * initDecl = index->addInitializer( new InitializerNode( start ) );
[bb7422a]	256	return makeForCtrl( location, initDecl, compop, comp, inc );
[d78c238]	257	} // forCtrl
	258
[bb7422a]	259	ForCtrl * forCtrl( const CodeLocation & location, ExpressionNode * type, string * index, ExpressionNode * start, enum OperKinds compop, ExpressionNode * comp, ExpressionNode * inc ) {
	260	ast::ConstantExpr * constant = dynamic_cast<ast::ConstantExpr *>(type->expr.get());
	261	if ( constant && (constant->rep == "0" \|\| constant->rep == "1") ) {
	262	type = new ExpressionNode( new ast::CastExpr( location, maybeMoveBuild(type), new ast::BasicType( ast::BasicType::SignedInt ) ) );
[0982a05]	263	} // if
[1cdc052]	264	DeclarationNode * initDecl = distAttr(
	265	DeclarationNode::newTypeof( type, true ),
	266	DeclarationNode::newName( index )->addInitializer( new InitializerNode( start ) )
	267	);
[bb7422a]	268	return makeForCtrl( location, initDecl, compop, comp, inc );
[f271bdd]	269	} // forCtrl
	270
[bb7422a]	271	ForCtrl * forCtrl( const CodeLocation & location, ExpressionNode * type, ExpressionNode * index, ExpressionNode * start, enum OperKinds compop, ExpressionNode * comp, ExpressionNode * inc ) {
	272	if ( auto identifier = dynamic_cast<ast::NameExpr *>(index->expr.get()) ) {
	273	return forCtrl( location, type, new string( identifier->name ), start, compop, comp, inc );
	274	} else if ( auto commaExpr = dynamic_cast<ast::CommaExpr *>( index->expr.get() ) ) {
	275	if ( auto identifier = commaExpr->arg1.as<ast::NameExpr>() ) {
	276	return forCtrl( location, type, new string( identifier->name ), start, compop, comp, inc );
[6d01d89]	277	} else {
[55266c7]	278	SemanticError( yylloc, "syntax error, loop-index name missing. Expression disallowed." ); return nullptr;
[6d01d89]	279	} // if
[f1aeede]	280	} else {
[b1f2007]	281	SemanticError( yylloc, "syntax error, loop-index name missing. Expression disallowed." ); return nullptr;
[f1aeede]	282	} // if
[f271bdd]	283	} // forCtrl
	284
[996c8ed]	285	static void IdentifierBeforeIdentifier( string & identifier1, string & identifier2, const char * kind ) {
[b1f2007]	286	SemanticError( yylloc, "syntax error, adjacent identifiers \"%s\" and \"%s\" are not meaningful in an %s.\n"
	287	"Possible cause is misspelled type name or missing generic parameter.",
	288	identifier1.c_str(), identifier2.c_str(), kind );
[996c8ed]	289	} // IdentifierBeforeIdentifier
	290
	291	static void IdentifierBeforeType( string & identifier, const char * kind ) {
[b1f2007]	292	SemanticError( yylloc, "syntax error, identifier \"%s\" cannot appear before a %s.\n"
	293	"Possible cause is misspelled storage/CV qualifier, misspelled typename, or missing generic parameter.",
	294	identifier.c_str(), kind );
[996c8ed]	295	} // IdentifierBeforeType
	296
[24711a3]	297	bool forall = false; // aggregate have one or more forall qualifiers ?
[d48e529]	298
[201aeb9]	299	// https://www.gnu.org/software/bison/manual/bison.html#Location-Type
	300	#define YYLLOC_DEFAULT(Cur, Rhs, N) \
	301	if ( N ) { \
	302	(Cur).first_line = YYRHSLOC( Rhs, 1 ).first_line; \
	303	(Cur).first_column = YYRHSLOC( Rhs, 1 ).first_column; \
	304	(Cur).last_line = YYRHSLOC( Rhs, N ).last_line; \
	305	(Cur).last_column = YYRHSLOC( Rhs, N ).last_column; \
	306	(Cur).filename = YYRHSLOC( Rhs, 1 ).filename; \
	307	} else { \
	308	(Cur).first_line = (Cur).last_line = YYRHSLOC( Rhs, 0 ).last_line; \
	309	(Cur).first_column = (Cur).last_column = YYRHSLOC( Rhs, 0 ).last_column; \
	310	(Cur).filename = YYRHSLOC( Rhs, 0 ).filename; \
	311	}
[51b7345]	312	%}
	313
[15697ff]	314	%define parse.error verbose
	315
[201aeb9]	316	// Types declaration for productions
[7cf8006]	317
[0982a05]	318	%union {
[6cef439]	319	// A raw token can be used.
[a67b60e]	320	Token tok;
[6cef439]	321
	322	// The general node types hold some generic node or list of nodes.
[a67b60e]	323	DeclarationNode * decl;
[6cef439]	324	InitializerNode * init;
	325	ExpressionNode * expr;
[32d6fdc]	326	StatementNode * stmt;
[6611177]	327	ClauseNode * clause;
[6cef439]	328	TypeData * type;
	329
	330	// Special "nodes" containing compound information.
[473d1da0]	331	CondCtl * ifctl;
[32d6fdc]	332	ForCtrl * forctl;
	333	LabelNode * labels;
[6cef439]	334
	335	// Various flags and single values that become fields later.
	336	ast::AggregateDecl::Aggregate aggKey;
	337	ast::TypeDecl::Kind tclass;
[32d6fdc]	338	OperKinds oper;
	339	bool is_volatile;
	340	EnumHiding enum_hiding;
	341	ast::ExceptionKind except_kind;
[6cef439]	342	// String passes ownership with it.
	343	std::string * str;
	344
	345	// Narrower node types are used to avoid constant unwrapping.
	346	ast::WaitForStmt * wfs;
	347	ast::WaitUntilStmt::ClauseNode * wucn;
[bb7422a]	348	ast::GenericExpr * genexpr;
[a67b60e]	349	}
	350
[bb7422a]	351	// ********************** TERMINAL TOKENS ******************************
[51b7345]	352
[c11e31c]	353	// keywords
[51b7345]	354	%token TYPEDEF
[a7c90d4]	355	%token EXTERN STATIC AUTO REGISTER
[59c7e3e]	356	%token THREADLOCALGCC THREADLOCALC11 // GCC, C11
[a7c90d4]	357	%token INLINE FORTRAN // C99, extension ISO/IEC 9899:1999 Section J.5.9(1)
	358	%token NORETURN // C11
[51b7345]	359	%token CONST VOLATILE
[b87a5ed]	360	%token RESTRICT // C99
[a7c90d4]	361	%token ATOMIC // C11
[1f652a7]	362	%token FORALL MUTEX VIRTUAL VTABLE COERCE // CFA
[72457b6]	363	%token VOID CHAR SHORT INT LONG FLOAT DOUBLE SIGNED UNSIGNED
[b87a5ed]	364	%token BOOL COMPLEX IMAGINARY // C99
[f1da02c]	365	%token INT128 UINT128 uuFLOAT80 uuFLOAT128 // GCC
[e15853c]	366	%token uFLOAT16 uFLOAT32 uFLOAT32X uFLOAT64 uFLOAT64X uFLOAT128 // GCC
[15f769c]	367	%token DECIMAL32 DECIMAL64 DECIMAL128 // GCC
[72457b6]	368	%token ZERO_T ONE_T // CFA
[59c7e3e]	369	%token SIZEOF TYPEOF VA_LIST VA_ARG AUTO_TYPE // GCC
[1f652a7]	370	%token OFFSETOF BASETYPEOF TYPEID // CFA
[51b7345]	371	%token ENUM STRUCT UNION
[c27fb59]	372	%token EXCEPTION // CFA
[553772b]	373	%token GENERATOR COROUTINE MONITOR THREAD // CFA
[a7c90d4]	374	%token OTYPE FTYPE DTYPE TTYPE TRAIT // CFA
[25744d2]	375	// %token RESUME // CFA
[1f652a7]	376	%token LABEL // GCC
[25744d2]	377	%token SUSPEND // CFA
[b87a5ed]	378	%token ATTRIBUTE EXTENSION // GCC
[51b7345]	379	%token IF ELSE SWITCH CASE DEFAULT DO WHILE FOR BREAK CONTINUE GOTO RETURN
[466787a]	380	%token CHOOSE FALLTHRU FALLTHROUGH WITH WHEN WAITFOR WAITUNTIL // CFA
[11ab0b4a]	381	%token CORUN COFOR
[4744074]	382	%token DISABLE ENABLE TRY THROW THROWRESUME AT // CFA
[b87a5ed]	383	%token ASM // C99, extension ISO/IEC 9899:1999 Section J.5.10(1)
[a7c90d4]	384	%token ALIGNAS ALIGNOF GENERIC STATICASSERT // C11
[51b7345]	385
[c11e31c]	386	// names and constants: lexer differentiates between identifier and typedef names
[9fd9d015]	387	%token<tok> IDENTIFIER TYPEDIMname TYPEDEFname TYPEGENname
	388	%token<tok> TIMEOUT WAND WOR CATCH RECOVER CATCHRESUME FIXUP FINALLY // CFA
[9fb1367]	389	%token<tok> INTEGERconstant CHARACTERconstant STRINGliteral
[61fc4f6]	390	%token<tok> DIRECTIVE
[1b29996]	391	// Floating point constant is broken into three kinds of tokens because of the ambiguity with tuple indexing and
	392	// overloading constants 0/1, e.g., x.1 is lexed as (x)(.1), where (.1) is a factional constant, but is semantically
	393	// converted into the tuple index (.)(1). e.g., 3.x
[930f69e]	394	%token<tok> FLOATING_DECIMALconstant FLOATING_FRACTIONconstant FLOATINGconstant
[51b7345]	395
[c11e31c]	396	// multi-character operators
[b87a5ed]	397	%token ARROW // ->
	398	%token ICR DECR // ++ --
	399	%token LS RS // << >>
	400	%token LE GE EQ NE // <= >= == !=
	401	%token ANDAND OROR // && \|\|
[647e2ea]	402	%token ATTR ELLIPSIS // @@ ...
[b87a5ed]	403
[e5f2a67]	404	%token EXPassign MULTassign DIVassign MODassign // \= *= /= %=
[b87a5ed]	405	%token PLUSassign MINUSassign // += -=
	406	%token LSassign RSassign // <<= >>=
	407	%token ANDassign ERassign ORassign // &= ^= \|=
[51b7345]	408
[d69f4bb4]	409	%token ErangeUpEq ErangeDown ErangeDownEq // ~= -~ -~=
[e7aed49]	410	%token ATassign // @=
[097e2b0]	411
[e16eb460]	412	%type<tok> identifier identifier_at identifier_or_type_name attr_name
[5b2edbc]	413	%type<tok> quasi_keyword
[32d6fdc]	414	%type<expr> string_literal
[ab57786]	415	%type<str> string_literal_list
[51b7345]	416
[71a422a]	417	%type<enum_hiding> hide_opt visible_hide_opt
[7cf8006]	418
[c11e31c]	419	// expressions
[32d6fdc]	420	%type<expr> constant
[71a422a]	421	%type<expr> tuple tuple_expression_list
[32d6fdc]	422	%type<oper> ptrref_operator unary_operator assignment_operator simple_assignment_operator compound_assignment_operator
	423	%type<expr> primary_expression postfix_expression unary_expression
[71a422a]	424	%type<expr> cast_expression_list cast_expression exponential_expression multiplicative_expression additive_expression
	425	%type<expr> shift_expression relational_expression equality_expression
[32d6fdc]	426	%type<expr> AND_expression exclusive_OR_expression inclusive_OR_expression
	427	%type<expr> logical_AND_expression logical_OR_expression
	428	%type<expr> conditional_expression constant_expression assignment_expression assignment_expression_opt
[71a422a]	429	%type<expr> comma_expression comma_expression_opt
	430	%type<expr> argument_expression_list_opt argument_expression_list argument_expression default_initializer_opt
[473d1da0]	431	%type<ifctl> conditional_declaration
[71a422a]	432	%type<forctl> for_control_expression for_control_expression_list
[32d6fdc]	433	%type<oper> upupeq updown updowneq downupdowneq
	434	%type<expr> subrange
[c0aa336]	435	%type<decl> asm_name_opt
[71a422a]	436	%type<expr> asm_operands_opt asm_operands_list asm_operand
[32d6fdc]	437	%type<labels> label_list
	438	%type<expr> asm_clobbers_list_opt
	439	%type<is_volatile> asm_volatile_opt
	440	%type<expr> handler_predicate_opt
[67d4e37]	441	%type<genexpr> generic_association generic_assoc_list
[51b7345]	442
[c11e31c]	443	// statements
[71a422a]	444	%type<stmt> statement labeled_statement compound_statement
[32d6fdc]	445	%type<stmt> statement_decl statement_decl_list statement_list_nodecl
[647e2ea]	446	%type<stmt> selection_statement
[71a422a]	447	%type<clause> switch_clause_list_opt switch_clause_list
[32d6fdc]	448	%type<expr> case_value
[71a422a]	449	%type<clause> case_clause case_value_list case_label case_label_list
[32d6fdc]	450	%type<stmt> iteration_statement jump_statement
[71a422a]	451	%type<stmt> expression_statement asm_statement
[32d6fdc]	452	%type<stmt> with_statement
	453	%type<expr> with_clause_opt
[11ab0b4a]	454	%type<stmt> corun_statement cofor_statement
[32d6fdc]	455	%type<stmt> exception_statement
[6611177]	456	%type<clause> handler_clause finally_clause
[32d6fdc]	457	%type<except_kind> handler_key
	458	%type<stmt> mutex_statement
	459	%type<expr> when_clause when_clause_opt waitfor waituntil timeout
[71a422a]	460	%type<stmt> waitfor_statement waituntil_statement
[c86b08d]	461	%type<wfs> wor_waitfor_clause
[6e1e2d0]	462	%type<wucn> waituntil_clause wand_waituntil_clause wor_waituntil_clause
[51b7345]	463
[c11e31c]	464	// declarations
[c0aa336]	465	%type<decl> abstract_declarator abstract_ptr abstract_array abstract_function array_dimension multi_array_dimension
[59c7e3e]	466	%type<decl> abstract_parameter_declarator_opt abstract_parameter_declarator abstract_parameter_ptr abstract_parameter_array abstract_parameter_function array_parameter_dimension array_parameter_1st_dimension
[c0aa336]	467	%type<decl> abstract_parameter_declaration
[51b7345]	468
[e307e12]	469	%type<aggKey> aggregate_key aggregate_data aggregate_control
[d0ffed1]	470	%type<decl> aggregate_type aggregate_type_nobody
[51b7345]	471
[9997fee]	472	%type<decl> assertion assertion_list assertion_list_opt
[51b7345]	473
[32d6fdc]	474	%type<expr> bit_subrange_size_opt bit_subrange_size
[51b7345]	475
[84d58c5]	476	%type<decl> basic_declaration_specifier basic_type_name basic_type_specifier direct_type indirect_type
[6cef439]	477	%type<type> basic_type_name_type
	478	%type<type> vtable vtable_opt default_opt
[51b7345]	479
[4040425]	480	%type<decl> trait_declaration trait_declaration_list trait_declaring_list trait_specifier
[51b7345]	481
	482	%type<decl> declaration declaration_list declaration_list_opt declaration_qualifier_list
[d0ffed1]	483	%type<decl> declaration_specifier declaration_specifier_nobody declarator declaring_list
[51b7345]	484
[d0ffed1]	485	%type<decl> elaborated_type elaborated_type_nobody
[51b7345]	486
[42422fb]	487	%type<decl> enumerator_list enum_type enum_type_nobody enumerator_type
[32d6fdc]	488	%type<init> enumerator_value_opt
[51b7345]	489
[3d56d15b]	490	%type<decl> external_definition external_definition_list external_definition_list_opt
	491
	492	%type<decl> exception_declaration
[51b7345]	493
[e07caa2]	494	%type<decl> field_declaration_list_opt field_declaration field_declaring_list_opt field_declarator field_abstract_list_opt field_abstract
[32d6fdc]	495	%type<expr> field field_name_list field_name fraction_constants_opt
[51b7345]	496
[4d51835]	497	%type<decl> external_function_definition function_definition function_array function_declarator function_no_ptr function_ptr
[51b7345]	498
[d3bc0ad]	499	%type<decl> identifier_parameter_declarator identifier_parameter_ptr identifier_parameter_array identifier_parameter_function
	500	%type<decl> identifier_list
[51b7345]	501
[c0aa336]	502	%type<decl> cfa_abstract_array cfa_abstract_declarator_no_tuple cfa_abstract_declarator_tuple
	503	%type<decl> cfa_abstract_function cfa_abstract_parameter_declaration cfa_abstract_parameter_list
	504	%type<decl> cfa_abstract_ptr cfa_abstract_tuple
[51b7345]	505
[c0aa336]	506	%type<decl> cfa_array_parameter_1st_dimension
[51b7345]	507
[679e644]	508	%type<decl> cfa_trait_declaring_list cfa_declaration cfa_field_declaring_list cfa_field_abstract_list
[c0aa336]	509	%type<decl> cfa_function_declaration cfa_function_return cfa_function_specifier
[51b7345]	510
[c0aa336]	511	%type<decl> cfa_identifier_parameter_array cfa_identifier_parameter_declarator_no_tuple
	512	%type<decl> cfa_identifier_parameter_declarator_tuple cfa_identifier_parameter_ptr
[51b7345]	513
[647e2ea]	514	%type<decl> cfa_parameter_declaration cfa_parameter_list cfa_parameter_list_ellipsis_opt
[51b7345]	515
[c0aa336]	516	%type<decl> cfa_typedef_declaration cfa_variable_declaration cfa_variable_specifier
[51b7345]	517
[b9be000b]	518	%type<decl> c_declaration static_assert
[c0aa336]	519	%type<decl> KR_function_declarator KR_function_no_ptr KR_function_ptr KR_function_array
[35718a9]	520	%type<decl> KR_parameter_list KR_parameter_list_opt
[51b7345]	521
[647e2ea]	522	%type<decl> parameter_declaration parameter_list parameter_list_ellipsis_opt
[51b7345]	523
[2871210]	524	%type<decl> paren_identifier paren_type
[51b7345]	525
[0da3e2c]	526	%type<decl> storage_class storage_class_list
[51b7345]	527
[d0ffed1]	528	%type<decl> sue_declaration_specifier sue_declaration_specifier_nobody sue_type_specifier sue_type_specifier_nobody
[51b7345]	529
[5a51798]	530	%type<tclass> type_class new_type_class
[51b7345]	531	%type<decl> type_declarator type_declarator_name type_declaring_list
	532
[6cef439]	533	%type<decl> type_declaration_specifier type_type_specifier
	534	%type<type> type_name typegen_name
[f9c3100]	535	%type<decl> typedef_name typedef_declaration typedef_expression
[c0aa336]	536
[1f771fc]	537	%type<decl> variable_type_redeclarator variable_type_ptr variable_type_array variable_type_function
	538	%type<decl> general_function_declarator function_type_redeclarator function_type_array function_type_no_ptr function_type_ptr
[c0aa336]	539
	540	%type<decl> type_parameter_redeclarator type_parameter_ptr type_parameter_array type_parameter_function
[51b7345]	541
[84d58c5]	542	%type<decl> type type_no_function
	543	%type<decl> type_parameter type_parameter_list type_initializer_opt
[51b7345]	544
[647e2ea]	545	%type<expr> type_parameters_opt type_list array_type_list // array_dimension_list
[51b7345]	546
[6cef439]	547	%type<decl> type_qualifier forall type_qualifier_list_opt type_qualifier_list
	548	%type<type> type_qualifier_name
[f9c3100]	549	%type<decl> type_specifier type_specifier_nobody
[51b7345]	550
[c0aa336]	551	%type<decl> variable_declarator variable_ptr variable_array variable_function
	552	%type<decl> variable_abstract_declarator variable_abstract_ptr variable_abstract_array variable_abstract_function
[51b7345]	553
[f9c3100]	554	%type<decl> attribute_list_opt attribute_list attribute attribute_name_list attribute_name
[1db21619]	555
[c11e31c]	556	// initializers
[32d6fdc]	557	%type<init> initializer initializer_list_opt initializer_opt
[51b7345]	558
[c11e31c]	559	// designators
[32d6fdc]	560	%type<expr> designator designator_list designation
[51b7345]	561
	562
[65d6de4]	563	// Handle shift/reduce conflict for dangling else by shifting the ELSE token. For example, this string is ambiguous:
	564	// .---------. matches IF '(' comma_expression ')' statement . (reduce)
	565	// if ( C ) S1 else S2
	566	// `-----------------' matches IF '(' comma_expression ')' statement . (shift) ELSE statement */
[5b2edbc]	567	// Similar issues exit with the waitfor statement.
[51b7345]	568
[9fd9d015]	569	// Order of these lines matters (low-to-high precedence). THEN is left associative over WAND/WOR/TIMEOUT/ELSE, WAND/WOR
	570	// is left associative over TIMEOUT/ELSE, and TIMEOUT is left associative over ELSE.
[9fb1367]	571	%precedence THEN // rule precedence for IF/WAITFOR statement
[9fd9d015]	572	%precedence ANDAND // token precedence for start of WAND in WAITFOR statement
	573	%precedence WAND // token precedence for start of WAND in WAITFOR statement
	574	%precedence OROR // token precedence for start of WOR in WAITFOR statement
[9fb1367]	575	%precedence WOR // token precedence for start of WOR in WAITFOR statement
	576	%precedence TIMEOUT // token precedence for start of TIMEOUT in WAITFOR statement
	577	%precedence CATCH // token precedence for start of TIMEOUT in WAITFOR statement
	578	%precedence RECOVER // token precedence for start of TIMEOUT in WAITFOR statement
	579	%precedence CATCHRESUME // token precedence for start of TIMEOUT in WAITFOR statement
	580	%precedence FIXUP // token precedence for start of TIMEOUT in WAITFOR statement
	581	%precedence FINALLY // token precedence for start of TIMEOUT in WAITFOR statement
	582	%precedence ELSE // token precedence for start of else clause in IF/WAITFOR statement
	583
[51b7345]	584
[65d6de4]	585	// Handle shift/reduce conflict for generic type by shifting the '(' token. For example, this string is ambiguous:
	586	// forall( otype T ) struct Foo { T v; };
	587	// .-----. matches pointer to function returning a generic (which is impossible without a type)
	588	// Foo ( *fp )( int );
	589	// `---' matches start of TYPEGENname '('
[fc20514]	590	// must be:
[a16a7ec]	591	// Foo( int ) ( *fp )( int );
[fc20514]	592	// The same problem occurs here:
	593	// forall( otype T ) struct Foo { T v; } ( *fp )( int );
	594	// must be:
	595	// forall( otype T ) struct Foo { T v; } ( int ) ( *fp )( int );
[65d6de4]	596
	597	// Order of these lines matters (low-to-high precedence).
	598	%precedence TYPEGENname
[284da8c]	599	%precedence '}'
[65d6de4]	600	%precedence '('
	601
[c786e1d]	602	// %precedence RESUME
	603	// %precedence '{'
	604	// %precedence ')'
	605
[f38e7d7]	606	%locations // support location tracking for error messages
[930f69e]	607
[b87a5ed]	608	%start translation_unit // parse-tree root
[51b7345]	609
	610	%%
[e1d66c84]	611	// ********************** Namespace Management ******************************
[c11e31c]	612
[3d26610]	613	// The C grammar is not context free because it relies on the distinct terminal symbols "identifier" and "TYPEDEFname",
	614	// which are lexically identical.
[c11e31c]	615	//
[3d26610]	616	// typedef int foo; // identifier foo must now be scanned as TYPEDEFname
	617	// foo f; // to allow it to appear in this context
[c11e31c]	618	//
[3d26610]	619	// While it may be possible to write a purely context-free grammar, such a grammar would obscure the relationship
	620	// between syntactic and semantic constructs. Cforall compounds this problem by introducing type names local to the
	621	// scope of a declaration (for instance, those introduced through "forall" qualifiers), and by introducing "type
	622	// generators" -- parameterized types. This latter type name creates a third class of identifiers, "TYPEGENname", which
	623	// must be distinguished by the lexical scanner.
[c11e31c]	624	//
[3d26610]	625	// Since the scanner cannot distinguish among the different classes of identifiers without some context information,
	626	// there is a type table (typedefTable), which holds type names and identifiers that override type names, for each named
	627	// scope. During parsing, semantic actions update the type table by adding new identifiers in the current scope. For
	628	// each context that introduces a name scope, a new level is created in the type table and that level is popped on
	629	// exiting the scope. Since type names can be local to a particular declaration, each declaration is itself a scope.
	630	// This requires distinguishing between type names that are local to the current declaration scope and those that
	631	// persist past the end of the declaration (i.e., names defined in "typedef" or "otype" declarations).
[c11e31c]	632	//
[3d26610]	633	// The non-terminals "push" and "pop" denote the opening and closing of named scopes. Every push has a matching pop in
	634	// the production rule. There are multiple lists of declarations, where each declaration is a named scope, so pop/push
	635	// around the list separator.
	636	//
[71a422a]	637	// XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
[3d26610]	638	// push pop push pop
[51b7345]	639
	640	push:
[ab57786]	641	{ typedefTable.enterScope(); }
[4d51835]	642	;
[51b7345]	643
	644	pop:
[ab57786]	645	{ typedefTable.leaveScope(); }
[4d51835]	646	;
[51b7345]	647
[e1d66c84]	648	// ********************** CONSTANTS ******************************
[51b7345]	649
	650	constant:
[de62360d]	651	// ENUMERATIONconstant is not included here; it is treated as a variable with type "enumeration constant".
[bb7422a]	652	INTEGERconstant { $$ = new ExpressionNode( build_constantInteger( yylloc, *$1 ) ); }
	653	\| FLOATING_DECIMALconstant { $$ = new ExpressionNode( build_constantFloat( yylloc, *$1 ) ); }
	654	\| FLOATING_FRACTIONconstant { $$ = new ExpressionNode( build_constantFloat( yylloc, *$1 ) ); }
	655	\| FLOATINGconstant { $$ = new ExpressionNode( build_constantFloat( yylloc, *$1 ) ); }
	656	\| CHARACTERconstant { $$ = new ExpressionNode( build_constantChar( yylloc, *$1 ) ); }
[4d51835]	657	;
[51b7345]	658
[5b2edbc]	659	quasi_keyword: // CFA
	660	TIMEOUT
[9fd9d015]	661	\| WAND
[5b2edbc]	662	\| WOR
[9fb1367]	663	\| CATCH
	664	\| RECOVER
	665	\| CATCHRESUME
	666	\| FIXUP
	667	\| FINALLY
[5b2edbc]	668	;
	669
[033ff37]	670	identifier:
[4d51835]	671	IDENTIFIER
[5b2edbc]	672	\| quasi_keyword
[e16eb460]	673	;
	674
	675	identifier_at:
	676	identifier
[679e644]	677	\| '@' // CFA
	678	{ Token tok = { new string( DeclarationNode::anonymous.newName() ), yylval.tok.loc }; $$ = tok; }
[4d51835]	679	;
[51b7345]	680
[ab57786]	681	string_literal:
[32d6fdc]	682	string_literal_list { $$ = new ExpressionNode( build_constantStr( yylloc, *$1 ) ); }
[ab57786]	683	;
	684
[b87a5ed]	685	string_literal_list: // juxtaposed strings are concatenated
[ab57786]	686	STRINGliteral { $$ = $1; } // conversion from tok to str
[7bf7fb9]	687	\| string_literal_list STRINGliteral
	688	{
[15697ff]	689	if ( ! appendStr( $1, $2 ) ) YYERROR; // append 2nd juxtaposed string to 1st
[7bf7fb9]	690	delete $2; // allocated by lexer
[ab57786]	691	$$ = $1; // conversion from tok to str
[7bf7fb9]	692	}
[4d51835]	693	;
[51b7345]	694
[e1d66c84]	695	// ********************** EXPRESSIONS ******************************
[51b7345]	696
	697	primary_expression:
[4d51835]	698	IDENTIFIER // typedef name cannot be used as a variable name
[bb7422a]	699	{ $$ = new ExpressionNode( build_varref( yylloc, $1 ) ); }
[5b2edbc]	700	\| quasi_keyword
[bb7422a]	701	{ $$ = new ExpressionNode( build_varref( yylloc, $1 ) ); }
[6e50a6b]	702	\| TYPEDIMname // CFA, generic length argument
[bb7422a]	703	{ $$ = new ExpressionNode( build_dimensionref( yylloc, $1 ) ); }
[1b29996]	704	\| tuple
[4d51835]	705	\| '(' comma_expression ')'
	706	{ $$ = $2; }
	707	\| '(' compound_statement ')' // GCC, lambda expression
[bb7422a]	708	{ $$ = new ExpressionNode( new ast::StmtExpr( yylloc, dynamic_cast<ast::CompoundStmt *>( maybeMoveBuild( $2 ) ) ) ); }
[033ff37]	709	\| type_name '.' identifier // CFA, nested type
[6cef439]	710	{ $$ = new ExpressionNode( build_qualified_expr( yylloc, DeclarationNode::newFromTypeData( $1 ), build_varref( yylloc, $3 ) ) ); }
[679e644]	711	\| type_name '.' '[' field_name_list ']' // CFA, nested type / tuple field selector
[203c667]	712	{ SemanticError( yylloc, "Qualified name is currently unimplemented." ); $$ = nullptr; }
[24c3b67]	713	\| GENERIC '(' assignment_expression ',' generic_assoc_list ')' // C11
[d807ca28]	714	{
	715	// add the missing control expression to the GenericExpr and return it
[702e826]	716	$5->control = maybeMoveBuild( $3 );
[d807ca28]	717	$$ = new ExpressionNode( $5 );
	718	}
[c786e1d]	719	// \| RESUME '(' comma_expression ')'
	720	// { SemanticError( yylloc, "Resume expression is currently unimplemented." ); $$ = nullptr; }
	721	// \| RESUME '(' comma_expression ')' compound_statement
	722	// { SemanticError( yylloc, "Resume expression is currently unimplemented." ); $$ = nullptr; }
[65ef0cd]	723	\| IDENTIFIER IDENTIFIER // invalid syntax rule
[b1f2007]	724	{ IdentifierBeforeIdentifier( $1.str, $2.str, "expression" ); $$ = nullptr; }
[65ef0cd]	725	\| IDENTIFIER type_qualifier // invalid syntax rule
[996c8ed]	726	{ IdentifierBeforeType( *$1.str, "type qualifier" ); $$ = nullptr; }
[65ef0cd]	727	\| IDENTIFIER storage_class // invalid syntax rule
[996c8ed]	728	{ IdentifierBeforeType( *$1.str, "storage class" ); $$ = nullptr; }
[65ef0cd]	729	\| IDENTIFIER basic_type_name // invalid syntax rule
[996c8ed]	730	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[65ef0cd]	731	\| IDENTIFIER TYPEDEFname // invalid syntax rule
[996c8ed]	732	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[65ef0cd]	733	\| IDENTIFIER TYPEGENname // invalid syntax rule
[996c8ed]	734	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[24c3b67]	735	;
	736
	737	generic_assoc_list: // C11
[d807ca28]	738	generic_association
[24c3b67]	739	\| generic_assoc_list ',' generic_association
[d807ca28]	740	{
	741	// steal the association node from the singleton and delete the wrapper
[bb7422a]	742	assert( 1 == $3->associations.size() );
	743	$1->associations.push_back( $3->associations.front() );
[d807ca28]	744	delete $3;
	745	$$ = $1;
	746	}
[24c3b67]	747	;
	748
	749	generic_association: // C11
	750	type_no_function ':' assignment_expression
[d807ca28]	751	{
	752	// create a GenericExpr wrapper with one association pair
[bb7422a]	753	$$ = new ast::GenericExpr( yylloc, nullptr, { { maybeMoveBuildType( $1 ), maybeMoveBuild( $3 ) } } );
[d807ca28]	754	}
[24c3b67]	755	\| DEFAULT ':' assignment_expression
[bb7422a]	756	{ $$ = new ast::GenericExpr( yylloc, nullptr, { { maybeMoveBuild( $3 ) } } ); }
[4d51835]	757	;
[51b7345]	758
	759	postfix_expression:
[4d51835]	760	primary_expression
[1d71208]	761	\| postfix_expression '[' assignment_expression ',' tuple_expression_list ']'
[59c7e3e]	762	// Historic, transitional: Disallow commas in subscripts.
	763	// Switching to this behaviour may help check if a C compatibilty case uses comma-exprs in subscripts.
	764	// Current: Commas in subscripts make tuples.
[b93c544]	765	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Index, $1, new ExpressionNode( build_tuple( yylloc, $3->set_last( $5 ) ) ) ) ); }
[7fdb94e]	766	\| postfix_expression '[' assignment_expression ']'
[c6b1105]	767	// CFA, comma_expression disallowed in this context because it results in a common user error: subscripting a
[de62360d]	768	// matrix with x[i,j] instead of x[i][j]. While this change is not backwards compatible, there seems to be
	769	// little advantage to this feature and many disadvantages. It is possible to write x[(i,j)] in CFA, which is
	770	// equivalent to the old x[i,j].
[bb7422a]	771	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Index, $1, $3 ) ); }
[d824715]	772	\| constant '[' assignment_expression ']' // 3[a], 'a'[a], 3.5[a]
[bb7422a]	773	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Index, $1, $3 ) ); }
[d824715]	774	\| string_literal '[' assignment_expression ']' // "abc"[3], 3["abc"]
[32d6fdc]	775	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Index, $1, $3 ) ); }
[cbbd8fd7]	776	\| postfix_expression '{' argument_expression_list_opt '}' // CFA, constructor call
[bd3d9e4]	777	{
	778	Token fn;
	779	fn.str = new std::string( "?{}" ); // location undefined - use location of '{'?
[b93c544]	780	$$ = new ExpressionNode( new ast::ConstructorExpr( yylloc, build_func( yylloc, new ExpressionNode( build_varref( yylloc, fn ) ), $1->set_last( $3 ) ) ) );
[bd3d9e4]	781	}
[cbbd8fd7]	782	\| postfix_expression '(' argument_expression_list_opt ')'
[bb7422a]	783	{ $$ = new ExpressionNode( build_func( yylloc, $1, $3 ) ); }
[59c7e3e]	784	\| VA_ARG '(' primary_expression ',' declaration_specifier_nobody abstract_parameter_declarator_opt ')'
	785	// { SemanticError( yylloc, "va_arg is currently unimplemented." ); $$ = nullptr; }
[b93c544]	786	{ $$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, new string( "__builtin_va_arg" ) ) ),
	787	$3->set_last( (ExpressionNode *)($6 ? $6->addType( $5 ) : $5) ) ) ); }
[948fdef]	788	\| postfix_expression '`' identifier // CFA, postfix call
[bb7422a]	789	{ $$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, build_postfix_name( $3 ) ) ), $1 ) ); }
[948fdef]	790	\| constant '`' identifier // CFA, postfix call
[bb7422a]	791	{ $$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, build_postfix_name( $3 ) ) ), $1 ) ); }
[948fdef]	792	\| string_literal '`' identifier // CFA, postfix call
[32d6fdc]	793	{ $$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, build_postfix_name( $3 ) ) ), $1 ) ); }
[4eb3a7c5]	794
	795	// SKULLDUGGERY: The typedef table used for parsing does not store fields in structures. To parse a qualified
	796	// name, it is assumed all name-tokens after the first are identifiers, regardless of how the lexer identifies
	797	// them. For example:
	798	//
	799	// struct S;
	800	// forall(T) struct T;
	801	// union U;
	802	// enum E { S, T, E };
	803	// struct Z { int S, T, Z, E, U; };
	804	// void fred () {
	805	// Z z;
	806	// z.S; // lexer returns S is TYPEDEFname
	807	// z.T; // lexer returns T is TYPEGENname
	808	// z.Z; // lexer returns Z is TYPEDEFname
	809	// z.U; // lexer returns U is TYPEDEFname
	810	// z.E; // lexer returns E is TYPEDEFname
	811	// }
[033ff37]	812	\| postfix_expression '.' identifier
[bb7422a]	813	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); }
[4eb3a7c5]	814	\| postfix_expression '.' TYPEDEFname // CFA, SKULLDUGGERY
	815	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); }
	816	\| postfix_expression '.' TYPEGENname // CFA, SKULLDUGGERY
	817	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); }
	818
[df22130]	819	\| postfix_expression '.' INTEGERconstant // CFA, tuple index
[bb7422a]	820	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_constantInteger( yylloc, *$3 ) ) ); }
[930f69e]	821	\| postfix_expression FLOATING_FRACTIONconstant // CFA, tuple index
[bb7422a]	822	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_field_name_FLOATING_FRACTIONconstant( yylloc, *$2 ) ) ); }
[679e644]	823	\| postfix_expression '.' '[' field_name_list ']' // CFA, tuple field selector
[bb7422a]	824	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_tuple( yylloc, $4 ) ) ); }
[e307e12]	825	\| postfix_expression '.' aggregate_control
[bb7422a]	826	{ $$ = new ExpressionNode( build_keyword_cast( yylloc, $3, $1 ) ); }
[033ff37]	827	\| postfix_expression ARROW identifier
[bb7422a]	828	{ $$ = new ExpressionNode( build_pfieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); }
[861799c]	829	\| postfix_expression ARROW INTEGERconstant // CFA, tuple index
[bb7422a]	830	{ $$ = new ExpressionNode( build_pfieldSel( yylloc, $1, build_constantInteger( yylloc, *$3 ) ) ); }
[679e644]	831	\| postfix_expression ARROW '[' field_name_list ']' // CFA, tuple field selector
[bb7422a]	832	{ $$ = new ExpressionNode( build_pfieldSel( yylloc, $1, build_tuple( yylloc, $4 ) ) ); }
[4d51835]	833	\| postfix_expression ICR
[bb7422a]	834	{ $$ = new ExpressionNode( build_unary_val( yylloc, OperKinds::IncrPost, $1 ) ); }
[4d51835]	835	\| postfix_expression DECR
[bb7422a]	836	{ $$ = new ExpressionNode( build_unary_val( yylloc, OperKinds::DecrPost, $1 ) ); }
[7fdb94e]	837	\| '(' type_no_function ')' '{' initializer_list_opt comma_opt '}' // C99, compound-literal
[bb7422a]	838	{ $$ = new ExpressionNode( build_compoundLiteral( yylloc, $2, new InitializerNode( $5, true ) ) ); }
[7fdb94e]	839	\| '(' type_no_function ')' '@' '{' initializer_list_opt comma_opt '}' // CFA, explicit C compound-literal
[bb7422a]	840	{ $$ = new ExpressionNode( build_compoundLiteral( yylloc, $2, (new InitializerNode( $6, true ))->set_maybeConstructed( false ) ) ); }
[cbbd8fd7]	841	\| '^' primary_expression '{' argument_expression_list_opt '}' // CFA, destructor call
[097e2b0]	842	{
[9706554]	843	Token fn;
[ecb27a7]	844	fn.str = new string( "^?{}" ); // location undefined
[b93c544]	845	$$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, fn ) ), $2->set_last( $4 ) ) );
[097e2b0]	846	}
[4d51835]	847	;
[51b7345]	848
[cbbd8fd7]	849	argument_expression_list_opt:
[757ffed]	850	// empty
	851	{ $$ = nullptr; }
[e16eb460]	852	\| argument_expression_list
	853	;
	854
	855	argument_expression_list:
	856	argument_expression
[cbbd8fd7]	857	\| argument_expression_list_opt ',' argument_expression
[b93c544]	858	{ $$ = $1->set_last( $3 ); }
[4d51835]	859	;
[51b7345]	860
	861	argument_expression:
[757ffed]	862	'@' // CFA, default parameter
[679e644]	863	{ SemanticError( yylloc, "Default parameter for argument is currently unimplemented." ); $$ = nullptr; }
[9fd9d015]	864	// { $$ = new ExpressionNode( build_constantInteger( *new string( "2" ) ) ); }
[4d51835]	865	\| assignment_expression
	866	;
[b87a5ed]	867
[679e644]	868	field_name_list: // CFA, tuple field selector
[4d51835]	869	field
[b93c544]	870	\| field_name_list ',' field { $$ = $1->set_last( $3 ); }
[4d51835]	871	;
[b87a5ed]	872
	873	field: // CFA, tuple field selector
[faddbd8]	874	field_name
[930f69e]	875	\| FLOATING_DECIMALconstant field
[bb7422a]	876	{ $$ = new ExpressionNode( build_fieldSel( yylloc, new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( yylloc, *$1 ) ), maybeMoveBuild( $2 ) ) ); }
[679e644]	877	\| FLOATING_DECIMALconstant '[' field_name_list ']'
[bb7422a]	878	{ $$ = new ExpressionNode( build_fieldSel( yylloc, new ExpressionNode( build_field_name_FLOATING_DECIMALconstant( yylloc, *$1 ) ), build_tuple( yylloc, $3 ) ) ); }
[faddbd8]	879	\| field_name '.' field
[bb7422a]	880	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, maybeMoveBuild( $3 ) ) ); }
[679e644]	881	\| field_name '.' '[' field_name_list ']'
[bb7422a]	882	{ $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_tuple( yylloc, $4 ) ) ); }
[faddbd8]	883	\| field_name ARROW field
[bb7422a]	884	{ $$ = new ExpressionNode( build_pfieldSel( yylloc, $1, maybeMoveBuild( $3 ) ) ); }
[679e644]	885	\| field_name ARROW '[' field_name_list ']'
[bb7422a]	886	{ $$ = new ExpressionNode( build_pfieldSel( yylloc, $1, build_tuple( yylloc, $4 ) ) ); }
[4d51835]	887	;
[51b7345]	888
[faddbd8]	889	field_name:
[df22130]	890	INTEGERconstant fraction_constants_opt
[bb7422a]	891	{ $$ = new ExpressionNode( build_field_name_fraction_constants( yylloc, build_constantInteger( yylloc, *$1 ), $2 ) ); }
[df22130]	892	\| FLOATINGconstant fraction_constants_opt
[bb7422a]	893	{ $$ = new ExpressionNode( build_field_name_fraction_constants( yylloc, build_field_name_FLOATINGconstant( yylloc, *$1 ), $2 ) ); }
[e16eb460]	894	\| identifier_at fraction_constants_opt // CFA, allow anonymous fields
[4cb935e]	895	{
[bb7422a]	896	$$ = new ExpressionNode( build_field_name_fraction_constants( yylloc, build_varref( yylloc, $1 ), $2 ) );
[84d58c5]	897	}
[1b29996]	898	;
	899
[df22130]	900	fraction_constants_opt:
[1b29996]	901	// empty
[8780e30]	902	{ $$ = nullptr; }
[df22130]	903	\| fraction_constants_opt FLOATING_FRACTIONconstant
[8780e30]	904	{
[bb7422a]	905	ast::Expr * constant = build_field_name_FLOATING_FRACTIONconstant( yylloc, *$2 );
	906	$$ = $1 != nullptr ? new ExpressionNode( build_fieldSel( yylloc, $1, constant ) ) : new ExpressionNode( constant );
[8780e30]	907	}
[faddbd8]	908	;
	909
[51b7345]	910	unary_expression:
[4d51835]	911	postfix_expression
[c6b1105]	912	// first location where constant/string can have operator applied: sizeof 3/sizeof "abc" still requires
	913	// semantics checks, e.g., ++3, 3--, *3, &&3
[51b1202]	914	\| constant
[ab57786]	915	\| string_literal
[32d6fdc]	916	{ $$ = $1; }
[4d51835]	917	\| EXTENSION cast_expression // GCC
[e04ef3a]	918	{ $$ = $2->set_extension( true ); }
[c6b1105]	919	// '*' ('&') is separated from unary_operator because of shift/reduce conflict in:
	920	// { * X; } // dereference X
	921	// { * int X; } // CFA declaration of pointer to int
[51e076e]	922	\| ptrref_operator cast_expression // CFA
[9706554]	923	{
	924	switch ( $1 ) {
[bb7422a]	925	case OperKinds::AddressOf:
	926	$$ = new ExpressionNode( new ast::AddressExpr( maybeMoveBuild( $2 ) ) );
[9706554]	927	break;
[bb7422a]	928	case OperKinds::PointTo:
	929	$$ = new ExpressionNode( build_unary_val( yylloc, $1, $2 ) );
[9706554]	930	break;
[bb7422a]	931	case OperKinds::And:
	932	$$ = new ExpressionNode( new ast::AddressExpr( new ast::AddressExpr( maybeMoveBuild( $2 ) ) ) );
[5809461]	933	break;
[bb7422a]	934	default:
[9706554]	935	assert( false );
	936	}
	937	}
[4d51835]	938	\| unary_operator cast_expression
[bb7422a]	939	{ $$ = new ExpressionNode( build_unary_val( yylloc, $1, $2 ) ); }
[dd51906]	940	\| ICR unary_expression
[bb7422a]	941	{ $$ = new ExpressionNode( build_unary_val( yylloc, OperKinds::Incr, $2 ) ); }
[dd51906]	942	\| DECR unary_expression
[bb7422a]	943	{ $$ = new ExpressionNode( build_unary_val( yylloc, OperKinds::Decr, $2 ) ); }
[4d51835]	944	\| SIZEOF unary_expression
[bb7422a]	945	{ $$ = new ExpressionNode( new ast::SizeofExpr( yylloc, maybeMoveBuild( $2 ) ) ); }
[84d58c5]	946	\| SIZEOF '(' type_no_function ')'
[bb7422a]	947	{ $$ = new ExpressionNode( new ast::SizeofExpr( yylloc, maybeMoveBuildType( $3 ) ) ); }
[d1625f8]	948	\| ALIGNOF unary_expression // GCC, variable alignment
[bb7422a]	949	{ $$ = new ExpressionNode( new ast::AlignofExpr( yylloc, maybeMoveBuild( $2 ) ) ); }
[a2e0687]	950	\| ALIGNOF '(' type_no_function ')' // GCC, type alignment
[bb7422a]	951	{ $$ = new ExpressionNode( new ast::AlignofExpr( yylloc, maybeMoveBuildType( $3 ) ) ); }
[7e13b11]	952
	953	// Cannot use rule "type", which includes cfa_abstract_function, for sizeof/alignof, because of S/R problems on
	954	// look ahead, so the cfa_abstract_function is factored out.
	955	\| SIZEOF '(' cfa_abstract_function ')'
	956	{ $$ = new ExpressionNode( new ast::SizeofExpr( yylloc, maybeMoveBuildType( $3 ) ) ); }
	957	\| ALIGNOF '(' cfa_abstract_function ')' // GCC, type alignment
	958	{ $$ = new ExpressionNode( new ast::AlignofExpr( yylloc, maybeMoveBuildType( $3 ) ) ); }
	959
[033ff37]	960	\| OFFSETOF '(' type_no_function ',' identifier ')'
[bb7422a]	961	{ $$ = new ExpressionNode( build_offsetOf( yylloc, $3, build_varref( yylloc, $5 ) ) ); }
[7e13b11]	962	\| TYPEID '(' type ')'
[1f652a7]	963	{
	964	SemanticError( yylloc, "typeid name is currently unimplemented." ); $$ = nullptr;
	965	// $$ = new ExpressionNode( build_offsetOf( $3, build_varref( $5 ) ) );
	966	}
[4d51835]	967	;
[51b7345]	968
[dd51906]	969	ptrref_operator:
[d9e2280]	970	'*' { $$ = OperKinds::PointTo; }
	971	\| '&' { $$ = OperKinds::AddressOf; }
[c6b1105]	972	// GCC, address of label must be handled by semantic check for ref,ref,label
[9f07232]	973	\| ANDAND { $$ = OperKinds::And; }
[dd51906]	974	;
	975
[51b7345]	976	unary_operator:
[d9e2280]	977	'+' { $$ = OperKinds::UnPlus; }
	978	\| '-' { $$ = OperKinds::UnMinus; }
	979	\| '!' { $$ = OperKinds::Neg; }
	980	\| '~' { $$ = OperKinds::BitNeg; }
[4d51835]	981	;
[51b7345]	982
	983	cast_expression:
[4d51835]	984	unary_expression
[84d58c5]	985	\| '(' type_no_function ')' cast_expression
[bb7422a]	986	{ $$ = new ExpressionNode( build_cast( yylloc, $2, $4 ) ); }
[e307e12]	987	\| '(' aggregate_control '&' ')' cast_expression // CFA
[bb7422a]	988	{ $$ = new ExpressionNode( build_keyword_cast( yylloc, $2, $5 ) ); }
[24711a3]	989	\| '(' aggregate_control '*' ')' cast_expression // CFA
[bb7422a]	990	{ $$ = new ExpressionNode( build_keyword_cast( yylloc, $2, $5 ) ); }
[fae90d5]	991	\| '(' VIRTUAL ')' cast_expression // CFA
[6cef439]	992	{ $$ = new ExpressionNode( new ast::VirtualCastExpr( yylloc, maybeMoveBuild( $4 ), nullptr ) ); }
[fae90d5]	993	\| '(' VIRTUAL type_no_function ')' cast_expression // CFA
[bb7422a]	994	{ $$ = new ExpressionNode( new ast::VirtualCastExpr( yylloc, maybeMoveBuild( $5 ), maybeMoveBuildType( $3 ) ) ); }
[1528a2c]	995	\| '(' RETURN type_no_function ')' cast_expression // CFA
[24d6572]	996	{ $$ = new ExpressionNode( build_cast( yylloc, $3, $5, ast::CastExpr::Return ) ); }
[1528a2c]	997	\| '(' COERCE type_no_function ')' cast_expression // CFA
	998	{ SemanticError( yylloc, "Coerce cast is currently unimplemented." ); $$ = nullptr; }
	999	\| '(' qualifier_cast_list ')' cast_expression // CFA
	1000	{ SemanticError( yylloc, "Qualifier cast is currently unimplemented." ); $$ = nullptr; }
[84d58c5]	1001	// \| '(' type_no_function ')' tuple
[bb7422a]	1002	// { $$ = new ast::ExpressionNode( build_cast( yylloc, $2, $4 ) ); }
[4d51835]	1003	;
[51b7345]	1004
[1528a2c]	1005	qualifier_cast_list:
	1006	cast_modifier type_qualifier_name
	1007	\| cast_modifier MUTEX
	1008	\| qualifier_cast_list cast_modifier type_qualifier_name
	1009	\| qualifier_cast_list cast_modifier MUTEX
	1010	;
	1011
	1012	cast_modifier:
	1013	'-'
	1014	\| '+'
	1015	;
	1016
[994d080]	1017	exponential_expression:
[4d51835]	1018	cast_expression
[994d080]	1019	\| exponential_expression '\\' cast_expression
[bb7422a]	1020	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Exp, $1, $3 ) ); }
[994d080]	1021	;
	1022
	1023	multiplicative_expression:
	1024	exponential_expression
	1025	\| multiplicative_expression '*' exponential_expression
[bb7422a]	1026	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Mul, $1, $3 ) ); }
[994d080]	1027	\| multiplicative_expression '/' exponential_expression
[bb7422a]	1028	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Div, $1, $3 ) ); }
[994d080]	1029	\| multiplicative_expression '%' exponential_expression
[bb7422a]	1030	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Mod, $1, $3 ) ); }
[4d51835]	1031	;
[51b7345]	1032
	1033	additive_expression:
[4d51835]	1034	multiplicative_expression
	1035	\| additive_expression '+' multiplicative_expression
[bb7422a]	1036	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Plus, $1, $3 ) ); }
[4d51835]	1037	\| additive_expression '-' multiplicative_expression
[bb7422a]	1038	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Minus, $1, $3 ) ); }
[4d51835]	1039	;
[51b7345]	1040
	1041	shift_expression:
[4d51835]	1042	additive_expression
	1043	\| shift_expression LS additive_expression
[bb7422a]	1044	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::LShift, $1, $3 ) ); }
[4d51835]	1045	\| shift_expression RS additive_expression
[bb7422a]	1046	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::RShift, $1, $3 ) ); }
[4d51835]	1047	;
[51b7345]	1048
	1049	relational_expression:
[4d51835]	1050	shift_expression
	1051	\| relational_expression '<' shift_expression
[bb7422a]	1052	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::LThan, $1, $3 ) ); }
[4d51835]	1053	\| relational_expression '>' shift_expression
[bb7422a]	1054	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::GThan, $1, $3 ) ); }
[4d51835]	1055	\| relational_expression LE shift_expression
[bb7422a]	1056	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::LEThan, $1, $3 ) ); }
[4d51835]	1057	\| relational_expression GE shift_expression
[bb7422a]	1058	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::GEThan, $1, $3 ) ); }
[4d51835]	1059	;
[51b7345]	1060
	1061	equality_expression:
[4d51835]	1062	relational_expression
	1063	\| equality_expression EQ relational_expression
[bb7422a]	1064	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Eq, $1, $3 ) ); }
[4d51835]	1065	\| equality_expression NE relational_expression
[bb7422a]	1066	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Neq, $1, $3 ) ); }
[4d51835]	1067	;
[51b7345]	1068
	1069	AND_expression:
[4d51835]	1070	equality_expression
	1071	\| AND_expression '&' equality_expression
[bb7422a]	1072	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::BitAnd, $1, $3 ) ); }
[4d51835]	1073	;
[51b7345]	1074
	1075	exclusive_OR_expression:
[4d51835]	1076	AND_expression
	1077	\| exclusive_OR_expression '^' AND_expression
[bb7422a]	1078	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::Xor, $1, $3 ) ); }
[4d51835]	1079	;
[51b7345]	1080
	1081	inclusive_OR_expression:
[4d51835]	1082	exclusive_OR_expression
	1083	\| inclusive_OR_expression '\|' exclusive_OR_expression
[bb7422a]	1084	{ $$ = new ExpressionNode( build_binary_val( yylloc, OperKinds::BitOr, $1, $3 ) ); }
[4d51835]	1085	;
[51b7345]	1086
	1087	logical_AND_expression:
[4d51835]	1088	inclusive_OR_expression
	1089	\| logical_AND_expression ANDAND inclusive_OR_expression
[bb7422a]	1090	{ $$ = new ExpressionNode( build_and_or( yylloc, $1, $3, ast::AndExpr ) ); }
[4d51835]	1091	;
[51b7345]	1092
	1093	logical_OR_expression:
[4d51835]	1094	logical_AND_expression
	1095	\| logical_OR_expression OROR logical_AND_expression
[bb7422a]	1096	{ $$ = new ExpressionNode( build_and_or( yylloc, $1, $3, ast::OrExpr ) ); }
[4d51835]	1097	;
[51b7345]	1098
	1099	conditional_expression:
[4d51835]	1100	logical_OR_expression
	1101	\| logical_OR_expression '?' comma_expression ':' conditional_expression
[bb7422a]	1102	{ $$ = new ExpressionNode( build_cond( yylloc, $1, $3, $5 ) ); }
[4d51835]	1103	\| logical_OR_expression '?' /* empty */ ':' conditional_expression // GCC, omitted first operand
[2810700]	1104	{ $$ = new ExpressionNode( build_cond( yylloc, $1, nullptr, $4 ) ); }
[4d51835]	1105	;
[51b7345]	1106
	1107	constant_expression:
[4d51835]	1108	conditional_expression
	1109	;
[51b7345]	1110
	1111	assignment_expression:
[4d51835]	1112	// CFA, assignment is separated from assignment_operator to ensure no assignment operations for tuples
	1113	conditional_expression
	1114	\| unary_expression assignment_operator assignment_expression
[9867cdb]	1115	{
[25744d2]	1116	// if ( $2 == OperKinds::AtAssn ) {
	1117	// SemanticError( yylloc, "C @= assignment is currently unimplemented." ); $$ = nullptr;
	1118	// } else {
[bb7422a]	1119	$$ = new ExpressionNode( build_binary_val( yylloc, $2, $1, $3 ) );
[25744d2]	1120	// } // if
[9867cdb]	1121	}
[7fdb94e]	1122	\| unary_expression '=' '{' initializer_list_opt comma_opt '}'
[fae90d5]	1123	{ SemanticError( yylloc, "Initializer assignment is currently unimplemented." ); $$ = nullptr; }
[4d51835]	1124	;
[51b7345]	1125
	1126	assignment_expression_opt:
[4d51835]	1127	// empty
[d1625f8]	1128	{ $$ = nullptr; }
[4d51835]	1129	\| assignment_expression
	1130	;
[b87a5ed]	1131
[9706554]	1132	assignment_operator:
[f9c3100]	1133	simple_assignment_operator
	1134	\| compound_assignment_operator
	1135	;
	1136
	1137	simple_assignment_operator:
[d9e2280]	1138	'=' { $$ = OperKinds::Assign; }
[f9c3100]	1139	\| ATassign { $$ = OperKinds::AtAssn; } // CFA
	1140	;
	1141
	1142	compound_assignment_operator:
	1143	EXPassign { $$ = OperKinds::ExpAssn; }
[d9e2280]	1144	\| MULTassign { $$ = OperKinds::MulAssn; }
	1145	\| DIVassign { $$ = OperKinds::DivAssn; }
	1146	\| MODassign { $$ = OperKinds::ModAssn; }
	1147	\| PLUSassign { $$ = OperKinds::PlusAssn; }
	1148	\| MINUSassign { $$ = OperKinds::MinusAssn; }
	1149	\| LSassign { $$ = OperKinds::LSAssn; }
	1150	\| RSassign { $$ = OperKinds::RSAssn; }
	1151	\| ANDassign { $$ = OperKinds::AndAssn; }
	1152	\| ERassign { $$ = OperKinds::ERAssn; }
	1153	\| ORassign { $$ = OperKinds::OrAssn; }
[413ad05]	1154	;
[9706554]	1155
[b87a5ed]	1156	tuple: // CFA, tuple
[de62360d]	1157	// CFA, one assignment_expression is factored out of comma_expression to eliminate a shift/reduce conflict with
[c0aa336]	1158	// comma_expression in cfa_identifier_parameter_array and cfa_abstract_array
[1b29996]	1159	// '[' ']'
	1160	// { $$ = new ExpressionNode( build_tuple() ); }
[13e8427]	1161	// \| '[' push assignment_expression pop ']'
[1b29996]	1162	// { $$ = new ExpressionNode( build_tuple( $3 ) ); }
[17238fd]	1163	'[' ',' tuple_expression_list ']'
[b93c544]	1164	{ $$ = new ExpressionNode( build_tuple( yylloc, (new ExpressionNode( nullptr ))->set_last( $3 ) ) ); }
[17238fd]	1165	\| '[' push assignment_expression pop ',' tuple_expression_list ']'
[b93c544]	1166	{ $$ = new ExpressionNode( build_tuple( yylloc, $3->set_last( $6 ) ) ); }
[4d51835]	1167	;
[51b7345]	1168
	1169	tuple_expression_list:
[0a6d8204]	1170	assignment_expression
	1171	\| '@' // CFA
	1172	{ SemanticError( yylloc, "Eliding tuple element with '@' is currently unimplemented." ); $$ = nullptr; }
	1173	\| tuple_expression_list ',' assignment_expression
[b93c544]	1174	{ $$ = $1->set_last( $3 ); }
[0a6d8204]	1175	\| tuple_expression_list ',' '@'
	1176	{ SemanticError( yylloc, "Eliding tuple element with '@' is currently unimplemented." ); $$ = nullptr; }
[4d51835]	1177	;
[51b7345]	1178
	1179	comma_expression:
[4d51835]	1180	assignment_expression
[9706554]	1181	\| comma_expression ',' assignment_expression
[bb7422a]	1182	{ $$ = new ExpressionNode( new ast::CommaExpr( yylloc, maybeMoveBuild( $1 ), maybeMoveBuild( $3 ) ) ); }
[4d51835]	1183	;
[51b7345]	1184
	1185	comma_expression_opt:
[4d51835]	1186	// empty
[58dd019]	1187	{ $$ = nullptr; }
[4d51835]	1188	\| comma_expression
	1189	;
[51b7345]	1190
[e1d66c84]	1191	// ************************ STATEMENTS *****************************
[51b7345]	1192
	1193	statement:
[4d51835]	1194	labeled_statement
	1195	\| compound_statement
[c0a33d2]	1196	\| expression_statement
[4d51835]	1197	\| selection_statement
	1198	\| iteration_statement
	1199	\| jump_statement
[8b47e50]	1200	\| with_statement
[b6b3c42]	1201	\| mutex_statement
[5b2edbc]	1202	\| waitfor_statement
[9fd9d015]	1203	\| waituntil_statement
[11ab0b4a]	1204	\| corun_statement
	1205	\| cofor_statement
[4d51835]	1206	\| exception_statement
[2a8427c6]	1207	\| enable_disable_statement
[fae90d5]	1208	{ SemanticError( yylloc, "enable/disable statement is currently unimplemented." ); $$ = nullptr; }
[4d51835]	1209	\| asm_statement
[61fc4f6]	1210	\| DIRECTIVE
[bb7422a]	1211	{ $$ = new StatementNode( build_directive( yylloc, $1 ) ); }
[b9be000b]	1212	;
[51b7345]	1213
	1214	labeled_statement:
[033ff37]	1215	// labels cannot be identifiers 0 or 1
[44a81853]	1216	identifier_or_type_name ':' attribute_list_opt statement
[bb7422a]	1217	{ $$ = $4->add_label( yylloc, $1, $3 ); }
[0442f93f]	1218	\| identifier_or_type_name ':' attribute_list_opt error // invalid syntax rule
[afe9e45]	1219	{
[b1f2007]	1220	SemanticError( yylloc, "syntx error, label \"%s\" must be associated with a statement, "
	1221	"where a declaration, case, or default is not a statement.\n"
	1222	"Move the label or terminate with a semicolon.", $1.str->c_str() );
[afe9e45]	1223	$$ = nullptr;
	1224	}
[4d51835]	1225	;
[51b7345]	1226
	1227	compound_statement:
[4d51835]	1228	'{' '}'
[bb7422a]	1229	{ $$ = new StatementNode( build_compound( yylloc, (StatementNode *)0 ) ); }
[35718a9]	1230	\| '{' push
[5e25953]	1231	local_label_declaration_opt // GCC, local labels appear at start of block
[9bd6105]	1232	statement_decl_list // C99, intermix declarations and statements
[c0aa336]	1233	pop '}'
[bb7422a]	1234	{ $$ = new StatementNode( build_compound( yylloc, $4 ) ); }
[4d51835]	1235	;
[b87a5ed]	1236
[9bd6105]	1237	statement_decl_list: // C99
	1238	statement_decl
[35718a9]	1239	\| statement_decl_list statement_decl
[6d01d89]	1240	{ assert( $1 ); $1->set_last( $2 ); $$ = $1; }
[4d51835]	1241	;
[51b7345]	1242
[9bd6105]	1243	statement_decl:
[4d51835]	1244	declaration // CFA, new & old style declarations
[e82aa9df]	1245	{ $$ = new StatementNode( $1 ); }
[4d51835]	1246	\| EXTENSION declaration // GCC
[6d01d89]	1247	{ distExt( $2 ); $$ = new StatementNode( $2 ); }
[4d51835]	1248	\| function_definition
[e82aa9df]	1249	{ $$ = new StatementNode( $1 ); }
[c0aa336]	1250	\| EXTENSION function_definition // GCC
[6d01d89]	1251	{ distExt( $2 ); $$ = new StatementNode( $2 ); }
[35718a9]	1252	\| statement
[4d51835]	1253	;
[51b7345]	1254
[9bd6105]	1255	statement_list_nodecl:
[4d51835]	1256	statement
[9bd6105]	1257	\| statement_list_nodecl statement
[6d01d89]	1258	{ assert( $1 ); $1->set_last( $2 ); $$ = $1; }
[0442f93f]	1259	\| statement_list_nodecl error // invalid syntax rule
[7e13b11]	1260	{ SemanticError( yylloc, "syntax error, declarations only allowed at the start of the switch body,"
	1261	" i.e., after the '{'." ); $$ = nullptr; }
[4d51835]	1262	;
[51b7345]	1263
	1264	expression_statement:
[4d51835]	1265	comma_expression_opt ';'
[bb7422a]	1266	{ $$ = new StatementNode( build_expr( yylloc, $1 ) ); }
[4d51835]	1267	;
[51b7345]	1268
[7e13b11]	1269	// "if", "switch", and "choose" require parenthesis around the conditional. See the following ambiguities without
	1270	// parenthesis:
	1271	//
[446740a]	1272	// if x + y + z; => if ( x ) + y + z or if ( x + y ) + z
[647e2ea]	1273	//
[7e13b11]	1274	// switch O { }
	1275	//
	1276	// O{} => object-constructor for conditional, switch body ???
	1277	// O{} => O for conditional followed by switch body
	1278	//
	1279	// C++ has this problem, as it has the same constructor syntax.
	1280	//
	1281	// switch sizeof ( T ) { }
	1282	//
	1283	// sizeof ( T ) => sizeof of T for conditional followed by switch body
	1284	// sizeof ( T ) => sizeof of compound literal (T){ }, closing parenthesis ???
	1285	//
	1286	// Note the two grammar rules for sizeof (alignof)
	1287	//
	1288	// \| SIZEOF unary_expression
	1289	// \| SIZEOF '(' type_no_function ')'
	1290	//
	1291	// where the first DOES NOT require parenthesis! And C++ inherits this problem from C.
[647e2ea]	1292
[51b7345]	1293	selection_statement:
[647e2ea]	1294	IF '(' conditional_declaration ')' statement %prec THEN
	1295	// explicitly deal with the shift/reduce conflict on if/else
	1296	{ $$ = new StatementNode( build_if( yylloc, $3, maybe_build_compound( yylloc, $5 ), nullptr ) ); }
	1297	\| IF '(' conditional_declaration ')' statement ELSE statement
	1298	{ $$ = new StatementNode( build_if( yylloc, $3, maybe_build_compound( yylloc, $5 ), maybe_build_compound( yylloc, $7 ) ) ); }
[4cc585b]	1299	\| SWITCH '(' comma_expression ')' case_clause
[bb7422a]	1300	{ $$ = new StatementNode( build_switch( yylloc, true, $3, $5 ) ); }
[35718a9]	1301	\| SWITCH '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
[4e06c1e]	1302	{
[bb7422a]	1303	StatementNode *sw = new StatementNode( build_switch( yylloc, true, $3, $8 ) );
[4e06c1e]	1304	// The semantics of the declaration list is changed to include associated initialization, which is performed
	1305	// before the transfer to the appropriate case clause by hoisting the declarations into a compound
	1306	// statement around the switch. Statements after the initial declaration list can never be executed, and
[8688ce1]	1307	// therefore, are removed from the grammar even though C allows it. The change also applies to choose
	1308	// statement.
[b93c544]	1309	$$ = $7 ? new StatementNode( build_compound( yylloc, (new StatementNode( $7 ))->set_last( sw ) ) ) : sw;
[4e06c1e]	1310	}
[0442f93f]	1311	\| SWITCH '(' comma_expression ')' '{' error '}' // CFA, invalid syntax rule error
[55266c7]	1312	{ SemanticError( yylloc, "synatx error, declarations can only appear before the list of case clauses." ); $$ = nullptr; }
[4d51835]	1313	\| CHOOSE '(' comma_expression ')' case_clause // CFA
[bb7422a]	1314	{ $$ = new StatementNode( build_switch( yylloc, false, $3, $5 ) ); }
[35718a9]	1315	\| CHOOSE '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt pop '}' // CFA
[4e06c1e]	1316	{
[bb7422a]	1317	StatementNode *sw = new StatementNode( build_switch( yylloc, false, $3, $8 ) );
[b93c544]	1318	$$ = $7 ? new StatementNode( build_compound( yylloc, (new StatementNode( $7 ))->set_last( sw ) ) ) : sw;
[4e06c1e]	1319	}
[0442f93f]	1320	\| CHOOSE '(' comma_expression ')' '{' error '}' // CFA, invalid syntax rule
[55266c7]	1321	{ SemanticError( yylloc, "syntax error, declarations can only appear before the list of case clauses." ); $$ = nullptr; }
[4d51835]	1322	;
[b87a5ed]	1323
[473d1da0]	1324	conditional_declaration:
[35718a9]	1325	comma_expression
[473d1da0]	1326	{ $$ = new CondCtl( nullptr, $1 ); }
[35718a9]	1327	\| c_declaration // no semi-colon
[473d1da0]	1328	{ $$ = new CondCtl( $1, nullptr ); }
[35718a9]	1329	\| cfa_declaration // no semi-colon
[473d1da0]	1330	{ $$ = new CondCtl( $1, nullptr ); }
[6d49ea3]	1331	\| declaration comma_expression // semi-colon separated
[473d1da0]	1332	{ $$ = new CondCtl( $1, $2 ); }
[9fd9d015]	1333	;
[936e9f4]	1334
[de62360d]	1335	// CASE and DEFAULT clauses are only allowed in the SWITCH statement, precluding Duff's device. In addition, a case
	1336	// clause allows a list of values and subranges.
[b87a5ed]	1337
	1338	case_value: // CFA
[4d51835]	1339	constant_expression { $$ = $1; }
	1340	\| constant_expression ELLIPSIS constant_expression // GCC, subrange
[bb7422a]	1341	{ $$ = new ExpressionNode( new ast::RangeExpr( yylloc, maybeMoveBuild( $1 ), maybeMoveBuild( $3 ) ) ); }
[4d51835]	1342	\| subrange // CFA, subrange
	1343	;
[b87a5ed]	1344
	1345	case_value_list: // CFA
[6611177]	1346	case_value { $$ = new ClauseNode( build_case( yylloc, $1 ) ); }
[064e3ff]	1347	// convert case list, e.g., "case 1, 3, 5:" into "case 1: case 3: case 5"
[6611177]	1348	\| case_value_list ',' case_value { $$ = $1->set_last( new ClauseNode( build_case( yylloc, $3 ) ) ); }
[4d51835]	1349	;
[b87a5ed]	1350
	1351	case_label: // CFA
[0442f93f]	1352	CASE error // invalid syntax rule
[55266c7]	1353	{ SemanticError( yylloc, "syntax error, case list missing after case." ); $$ = nullptr; }
[5c216b4]	1354	\| CASE case_value_list ':' { $$ = $2; }
[0442f93f]	1355	\| CASE case_value_list error // invalid syntax rule
[55266c7]	1356	{ SemanticError( yylloc, "syntax error, colon missing after case list." ); $$ = nullptr; }
[6611177]	1357	\| DEFAULT ':' { $$ = new ClauseNode( build_default( yylloc ) ); }
[4d51835]	1358	// A semantic check is required to ensure only one default clause per switch/choose statement.
[65ef0cd]	1359	\| DEFAULT error // invalid syntax rule
[55266c7]	1360	{ SemanticError( yylloc, "syntax error, colon missing after default." ); $$ = nullptr; }
[4d51835]	1361	;
[b87a5ed]	1362
	1363	case_label_list: // CFA
[4d51835]	1364	case_label
[6611177]	1365	\| case_label_list case_label { $$ = $1->set_last( $2 ); }
[4d51835]	1366	;
[b87a5ed]	1367
	1368	case_clause: // CFA
[bb7422a]	1369	case_label_list statement { $$ = $1->append_last_case( maybe_build_compound( yylloc, $2 ) ); }
[4d51835]	1370	;
[b87a5ed]	1371
	1372	switch_clause_list_opt: // CFA
[4d51835]	1373	// empty
[58dd019]	1374	{ $$ = nullptr; }
[4d51835]	1375	\| switch_clause_list
	1376	;
[b87a5ed]	1377
	1378	switch_clause_list: // CFA
[9bd6105]	1379	case_label_list statement_list_nodecl
[bb7422a]	1380	{ $$ = $1->append_last_case( new StatementNode( build_compound( yylloc, $2 ) ) ); }
[9bd6105]	1381	\| switch_clause_list case_label_list statement_list_nodecl
[6611177]	1382	{ $$ = $1->set_last( $2->append_last_case( new StatementNode( build_compound( yylloc, $3 ) ) ) ); }
[4d51835]	1383	;
[b87a5ed]	1384
[51b7345]	1385	iteration_statement:
[5695645]	1386	WHILE '(' ')' statement %prec THEN // CFA => while ( 1 )
[bb7422a]	1387	{ $$ = new StatementNode( build_while( yylloc, new CondCtl( nullptr, NEW_ONE ), maybe_build_compound( yylloc, $4 ) ) ); }
[5695645]	1388	\| WHILE '(' ')' statement ELSE statement // CFA
[86b8d16]	1389	{
[bb7422a]	1390	$$ = new StatementNode( build_while( yylloc, new CondCtl( nullptr, NEW_ONE ), maybe_build_compound( yylloc, $4 ) ) );
[3d937e2]	1391	SemanticWarning( yylloc, Warning::SuperfluousElse );
[86b8d16]	1392	}
[473d1da0]	1393	\| WHILE '(' conditional_declaration ')' statement %prec THEN
[bb7422a]	1394	{ $$ = new StatementNode( build_while( yylloc, $3, maybe_build_compound( yylloc, $5 ) ) ); }
[473d1da0]	1395	\| WHILE '(' conditional_declaration ')' statement ELSE statement // CFA
[bb7422a]	1396	{ $$ = new StatementNode( build_while( yylloc, $3, maybe_build_compound( yylloc, $5 ), $7 ) ); }
[f271bdd]	1397	\| DO statement WHILE '(' ')' ';' // CFA => do while( 1 )
[bb7422a]	1398	{ $$ = new StatementNode( build_do_while( yylloc, NEW_ONE, maybe_build_compound( yylloc, $2 ) ) ); }
[5695645]	1399	\| DO statement WHILE '(' ')' ELSE statement // CFA
[86b8d16]	1400	{
[bb7422a]	1401	$$ = new StatementNode( build_do_while( yylloc, NEW_ONE, maybe_build_compound( yylloc, $2 ) ) );
[3d937e2]	1402	SemanticWarning( yylloc, Warning::SuperfluousElse );
[86b8d16]	1403	}
	1404	\| DO statement WHILE '(' comma_expression ')' ';'
[bb7422a]	1405	{ $$ = new StatementNode( build_do_while( yylloc, $5, maybe_build_compound( yylloc, $2 ) ) ); }
[efc8f3e]	1406	\| DO statement WHILE '(' comma_expression ')' ELSE statement // CFA
[bb7422a]	1407	{ $$ = new StatementNode( build_do_while( yylloc, $5, maybe_build_compound( yylloc, $2 ), $8 ) ); }
[86b8d16]	1408	\| FOR '(' ')' statement %prec THEN // CFA => for ( ;; )
[bb7422a]	1409	{ $$ = new StatementNode( build_for( yylloc, new ForCtrl( nullptr, nullptr, nullptr ), maybe_build_compound( yylloc, $4 ) ) ); }
[86b8d16]	1410	\| FOR '(' ')' statement ELSE statement // CFA
	1411	{
[bb7422a]	1412	$$ = new StatementNode( build_for( yylloc, new ForCtrl( nullptr, nullptr, nullptr ), maybe_build_compound( yylloc, $4 ) ) );
[3d937e2]	1413	SemanticWarning( yylloc, Warning::SuperfluousElse );
[86b8d16]	1414	}
[efc8f3e]	1415	\| FOR '(' for_control_expression_list ')' statement %prec THEN
[bb7422a]	1416	{ $$ = new StatementNode( build_for( yylloc, $3, maybe_build_compound( yylloc, $5 ) ) ); }
[efc8f3e]	1417	\| FOR '(' for_control_expression_list ')' statement ELSE statement // CFA
[bb7422a]	1418	{ $$ = new StatementNode( build_for( yylloc, $3, maybe_build_compound( yylloc, $5 ), $7 ) ); }
[a73c16e]	1419	;
	1420
[6d01d89]	1421	for_control_expression_list:
	1422	for_control_expression
	1423	\| for_control_expression_list ':' for_control_expression
[67d4e37]	1424	// ForCtrl + ForCtrl:
	1425	// init + init => multiple declaration statements that are hoisted
	1426	// condition + condition => (expression) && (expression)
	1427	// change + change => (expression), (expression)
	1428	{
	1429	$1->init->set_last( $3->init );
	1430	if ( $1->condition ) {
	1431	if ( $3->condition ) {
[bb7422a]	1432	$1->condition->expr.reset( new ast::LogicalExpr( yylloc, $1->condition->expr.release(), $3->condition->expr.release(), ast::AndExpr ) );
[67d4e37]	1433	} // if
	1434	} else $1->condition = $3->condition;
	1435	if ( $1->change ) {
	1436	if ( $3->change ) {
[bb7422a]	1437	$1->change->expr.reset( new ast::CommaExpr( yylloc, $1->change->expr.release(), $3->change->expr.release() ) );
[67d4e37]	1438	} // if
	1439	} else $1->change = $3->change;
	1440	$$ = $1;
	1441	}
[6d01d89]	1442	;
	1443
[51b7345]	1444	for_control_expression:
[6d01d89]	1445	';' comma_expression_opt ';' comma_expression_opt
[1cdc052]	1446	{ $$ = new ForCtrl( nullptr, $2, $4 ); }
[6d01d89]	1447	\| comma_expression ';' comma_expression_opt ';' comma_expression_opt
[1cdc052]	1448	{
[bb7422a]	1449	StatementNode * init = $1 ? new StatementNode( new ast::ExprStmt( yylloc, maybeMoveBuild( $1 ) ) ) : nullptr;
[1cdc052]	1450	$$ = new ForCtrl( init, $3, $5 );
	1451	}
[6d01d89]	1452	\| declaration comma_expression_opt ';' comma_expression_opt // C99, declaration has ';'
[1cdc052]	1453	{ $$ = new ForCtrl( new StatementNode( $1 ), $2, $4 ); }
[67d4e37]	1454
[aa122e9]	1455	\| '@' ';' comma_expression // CFA, empty loop-index
[1cdc052]	1456	{ $$ = new ForCtrl( nullptr, $3, nullptr ); }
[aa122e9]	1457	\| '@' ';' comma_expression ';' comma_expression // CFA, empty loop-index
[1cdc052]	1458	{ $$ = new ForCtrl( nullptr, $3, $5 ); }
[51fbba5]	1459
[aa122e9]	1460	\| comma_expression // CFA, anonymous loop-index
[bb7422a]	1461	{ $$ = forCtrl( yylloc, $1, new string( DeclarationNode::anonymous.newName() ), NEW_ZERO, OperKinds::LThan, $1->clone(), NEW_ONE ); }
[aa122e9]	1462	\| downupdowneq comma_expression // CFA, anonymous loop-index
[bb7422a]	1463	{ $$ = forCtrl( yylloc, $2, new string( DeclarationNode::anonymous.newName() ), UPDOWN( $1, NEW_ZERO, $2->clone() ), $1, UPDOWN( $1, $2->clone(), NEW_ZERO ), NEW_ONE ); }
[52be5948]	1464
[aa122e9]	1465	\| comma_expression updowneq comma_expression // CFA, anonymous loop-index
[bb7422a]	1466	{ $$ = forCtrl( yylloc, $1, new string( DeclarationNode::anonymous.newName() ), UPDOWN( $2, $1->clone(), $3 ), $2, UPDOWN( $2, $3->clone(), $1->clone() ), NEW_ONE ); }
[aa122e9]	1467	\| '@' updowneq comma_expression // CFA, anonymous loop-index
[dbedd71]	1468	{
[4fee301]	1469	if ( $2 == OperKinds::LThan \|\| $2 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1470	else $$ = forCtrl( yylloc, $3, new string( DeclarationNode::anonymous.newName() ), $3->clone(), $2, nullptr, NEW_ONE );
[dbedd71]	1471	}
[aa122e9]	1472	\| comma_expression updowneq '@' // CFA, anonymous loop-index
[dbedd71]	1473	{
[4fee301]	1474	if ( $2 == OperKinds::LThan \|\| $2 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[ed9a1ae]	1475	else { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[dbedd71]	1476	}
[aa122e9]	1477	\| comma_expression updowneq comma_expression '~' comma_expression // CFA, anonymous loop-index
[bb7422a]	1478	{ $$ = forCtrl( yylloc, $1, new string( DeclarationNode::anonymous.newName() ), UPDOWN( $2, $1->clone(), $3 ), $2, UPDOWN( $2, $3->clone(), $1->clone() ), $5 ); }
[aa122e9]	1479	\| '@' updowneq comma_expression '~' comma_expression // CFA, anonymous loop-index
[dbedd71]	1480	{
[4fee301]	1481	if ( $2 == OperKinds::LThan \|\| $2 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1482	else $$ = forCtrl( yylloc, $3, new string( DeclarationNode::anonymous.newName() ), $3->clone(), $2, nullptr, $5 );
[dbedd71]	1483	}
[aa122e9]	1484	\| comma_expression updowneq '@' '~' comma_expression // CFA, anonymous loop-index
[dbedd71]	1485	{
[4fee301]	1486	if ( $2 == OperKinds::LThan \|\| $2 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[ed9a1ae]	1487	else { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[dbedd71]	1488	}
[65ef0cd]	1489	\| comma_expression updowneq comma_expression '~' '@' // CFA, invalid syntax rule
[4fee301]	1490	{ SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[65ef0cd]	1491	\| '@' updowneq '@' // CFA, invalid syntax rule
[4fee301]	1492	{ SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[65ef0cd]	1493	\| '@' updowneq comma_expression '~' '@' // CFA, invalid syntax rule
[4fee301]	1494	{ SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[65ef0cd]	1495	\| comma_expression updowneq '@' '~' '@' // CFA, invalid syntax rule
[4fee301]	1496	{ SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[65ef0cd]	1497	\| '@' updowneq '@' '~' '@' // CFA, invalid syntax rule
[4fee301]	1498	{ SemanticError( yylloc, MISSING_ANON_FIELD ); $$ = nullptr; }
[52be5948]	1499
[f1aeede]	1500	\| comma_expression ';' comma_expression // CFA
[bb7422a]	1501	{ $$ = forCtrl( yylloc, $3, $1, NEW_ZERO, OperKinds::LThan, $3->clone(), NEW_ONE ); }
[d78c238]	1502	\| comma_expression ';' downupdowneq comma_expression // CFA
[bb7422a]	1503	{ $$ = forCtrl( yylloc, $4, $1, UPDOWN( $3, NEW_ZERO, $4->clone() ), $3, UPDOWN( $3, $4->clone(), NEW_ZERO ), NEW_ONE ); }
[52be5948]	1504
[d78c238]	1505	\| comma_expression ';' comma_expression updowneq comma_expression // CFA
[bb7422a]	1506	{ $$ = forCtrl( yylloc, $3, $1, UPDOWN( $4, $3->clone(), $5 ), $4, UPDOWN( $4, $5->clone(), $3->clone() ), NEW_ONE ); }
[dbedd71]	1507	\| comma_expression ';' '@' updowneq comma_expression // CFA
	1508	{
[4fee301]	1509	if ( $4 == OperKinds::LThan \|\| $4 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1510	else $$ = forCtrl( yylloc, $5, $1, $5->clone(), $4, nullptr, NEW_ONE );
[dbedd71]	1511	}
[52be5948]	1512	\| comma_expression ';' comma_expression updowneq '@' // CFA
	1513	{
[4fee301]	1514	if ( $4 == OperKinds::GThan \|\| $4 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1515	else if ( $4 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1516	else $$ = forCtrl( yylloc, $3, $1, $3->clone(), $4, nullptr, NEW_ONE );
[52be5948]	1517	}
[65ef0cd]	1518	\| comma_expression ';' '@' updowneq '@' // CFA, invalid syntax rule
[55266c7]	1519	{ SemanticError( yylloc, "syntax error, missing low/high value for up/down-to range so index is uninitialized." ); $$ = nullptr; }
[d78c238]	1520
	1521	\| comma_expression ';' comma_expression updowneq comma_expression '~' comma_expression // CFA
[bb7422a]	1522	{ $$ = forCtrl( yylloc, $3, $1, UPDOWN( $4, $3->clone(), $5 ), $4, UPDOWN( $4, $5->clone(), $3->clone() ), $7 ); }
[65ef0cd]	1523	\| comma_expression ';' '@' updowneq comma_expression '~' comma_expression // CFA, invalid syntax rule
[dbedd71]	1524	{
[4fee301]	1525	if ( $4 == OperKinds::LThan \|\| $4 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1526	else $$ = forCtrl( yylloc, $5, $1, $5->clone(), $4, nullptr, $7 );
[dbedd71]	1527	}
[52be5948]	1528	\| comma_expression ';' comma_expression updowneq '@' '~' comma_expression // CFA
	1529	{
[4fee301]	1530	if ( $4 == OperKinds::GThan \|\| $4 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1531	else if ( $4 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1532	else $$ = forCtrl( yylloc, $3, $1, $3->clone(), $4, nullptr, $7 );
[52be5948]	1533	}
	1534	\| comma_expression ';' comma_expression updowneq comma_expression '~' '@' // CFA
[bb7422a]	1535	{ $$ = forCtrl( yylloc, $3, $1, UPDOWN( $4, $3->clone(), $5 ), $4, UPDOWN( $4, $5->clone(), $3->clone() ), nullptr ); }
[65ef0cd]	1536	\| comma_expression ';' '@' updowneq comma_expression '~' '@' // CFA, invalid syntax rule
[dbedd71]	1537	{
[4fee301]	1538	if ( $4 == OperKinds::LThan \|\| $4 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1539	else $$ = forCtrl( yylloc, $5, $1, $5->clone(), $4, nullptr, nullptr );
[dbedd71]	1540	}
[52be5948]	1541	\| comma_expression ';' comma_expression updowneq '@' '~' '@' // CFA
[d78c238]	1542	{
[4fee301]	1543	if ( $4 == OperKinds::GThan \|\| $4 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1544	else if ( $4 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1545	else $$ = forCtrl( yylloc, $3, $1, $3->clone(), $4, nullptr, nullptr );
[d78c238]	1546	}
[dbedd71]	1547	\| comma_expression ';' '@' updowneq '@' '~' '@' // CFA
[55266c7]	1548	{ SemanticError( yylloc, "syntax error, missing low/high value for up/down-to range so index is uninitialized." ); $$ = nullptr; }
[d78c238]	1549
	1550	\| declaration comma_expression // CFA
[bb7422a]	1551	{ $$ = forCtrl( yylloc, $1, NEW_ZERO, OperKinds::LThan, $2, NEW_ONE ); }
[d78c238]	1552	\| declaration downupdowneq comma_expression // CFA
[bb7422a]	1553	{ $$ = forCtrl( yylloc, $1, UPDOWN( $2, NEW_ZERO, $3 ), $2, UPDOWN( $2, $3->clone(), NEW_ZERO ), NEW_ONE ); }
[52be5948]	1554
[d78c238]	1555	\| declaration comma_expression updowneq comma_expression // CFA
[bb7422a]	1556	{ $$ = forCtrl( yylloc, $1, UPDOWN( $3, $2->clone(), $4 ), $3, UPDOWN( $3, $4->clone(), $2->clone() ), NEW_ONE ); }
[dbedd71]	1557	\| declaration '@' updowneq comma_expression // CFA
	1558	{
[4fee301]	1559	if ( $3 == OperKinds::LThan \|\| $3 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1560	else $$ = forCtrl( yylloc, $1, $4, $3, nullptr, NEW_ONE );
[dbedd71]	1561	}
[52be5948]	1562	\| declaration comma_expression updowneq '@' // CFA
	1563	{
[4fee301]	1564	if ( $3 == OperKinds::GThan \|\| $3 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1565	else if ( $3 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1566	else $$ = forCtrl( yylloc, $1, $2, $3, nullptr, NEW_ONE );
[52be5948]	1567	}
[d78c238]	1568
	1569	\| declaration comma_expression updowneq comma_expression '~' comma_expression // CFA
[bb7422a]	1570	{ $$ = forCtrl( yylloc, $1, UPDOWN( $3, $2, $4 ), $3, UPDOWN( $3, $4->clone(), $2->clone() ), $6 ); }
[dbedd71]	1571	\| declaration '@' updowneq comma_expression '~' comma_expression // CFA
	1572	{
[4fee301]	1573	if ( $3 == OperKinds::LThan \|\| $3 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1574	else $$ = forCtrl( yylloc, $1, $4, $3, nullptr, $6 );
[dbedd71]	1575	}
[52be5948]	1576	\| declaration comma_expression updowneq '@' '~' comma_expression // CFA
	1577	{
[4fee301]	1578	if ( $3 == OperKinds::GThan \|\| $3 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1579	else if ( $3 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1580	else $$ = forCtrl( yylloc, $1, $2, $3, nullptr, $6 );
[52be5948]	1581	}
	1582	\| declaration comma_expression updowneq comma_expression '~' '@' // CFA
[bb7422a]	1583	{ $$ = forCtrl( yylloc, $1, UPDOWN( $3, $2, $4 ), $3, UPDOWN( $3, $4->clone(), $2->clone() ), nullptr ); }
[dbedd71]	1584	\| declaration '@' updowneq comma_expression '~' '@' // CFA
	1585	{
[4fee301]	1586	if ( $3 == OperKinds::LThan \|\| $3 == OperKinds::LEThan ) { SemanticError( yylloc, MISSING_LOW ); $$ = nullptr; }
[bb7422a]	1587	else $$ = forCtrl( yylloc, $1, $4, $3, nullptr, nullptr );
[dbedd71]	1588	}
[52be5948]	1589	\| declaration comma_expression updowneq '@' '~' '@' // CFA
[d78c238]	1590	{
[4fee301]	1591	if ( $3 == OperKinds::GThan \|\| $3 == OperKinds::GEThan ) { SemanticError( yylloc, MISSING_HIGH ); $$ = nullptr; }
[55266c7]	1592	else if ( $3 == OperKinds::LEThan ) { SemanticError( yylloc, "syntax error, equality with missing high value is meaningless. Use \"~\"." ); $$ = nullptr; }
[bb7422a]	1593	else $$ = forCtrl( yylloc, $1, $2, $3, nullptr, nullptr );
[d78c238]	1594	}
[65ef0cd]	1595	\| declaration '@' updowneq '@' '~' '@' // CFA, invalid syntax rule
[55266c7]	1596	{ SemanticError( yylloc, "syntax error, missing low/high value for up/down-to range so index is uninitialized." ); $$ = nullptr; }
[67d4e37]	1597
[446740a]	1598	\| comma_expression ';' enum_key // CFA, enum type
[ca33b15]	1599	{
[d78c238]	1600	SemanticError( yylloc, "Type iterator is currently unimplemented." ); $$ = nullptr;
	1601	//$$ = forCtrl( new ExpressionNode( build_varref( $3 ) ), $1, nullptr, OperKinds::Range, nullptr, nullptr );
[ca33b15]	1602	}
[446740a]	1603	\| comma_expression ';' downupdowneq enum_key // CFA, enum type, reverse direction
[d78c238]	1604	{
[55266c7]	1605	if ( $3 == OperKinds::LEThan \|\| $3 == OperKinds::GEThan ) {
[0442f93f]	1606	SemanticError( yylloc, "syntax error, all enumeration ranges are equal (all values). Remove \"=~\"." ); $$ = nullptr;
[55266c7]	1607	}
[d78c238]	1608	SemanticError( yylloc, "Type iterator is currently unimplemented." ); $$ = nullptr;
	1609	}
[9fd9d015]	1610	;
[98337569]	1611
[446740a]	1612	enum_key:
	1613	TYPEDEFname
	1614	\| ENUM TYPEDEFname
	1615	;
	1616
[d78c238]	1617	downupdowneq:
	1618	ErangeDown
	1619	{ $$ = OperKinds::GThan; }
	1620	\| ErangeUpEq
	1621	{ $$ = OperKinds::LEThan; }
	1622	\| ErangeDownEq
	1623	{ $$ = OperKinds::GEThan; }
[9fd9d015]	1624	;
[51b7345]	1625
[d78c238]	1626	updown:
[cc22003]	1627	'~'
	1628	{ $$ = OperKinds::LThan; }
[d69f4bb4]	1629	\| ErangeDown
	1630	{ $$ = OperKinds::GThan; }
[9fd9d015]	1631	;
[d78c238]	1632
	1633	updowneq:
	1634	updown
	1635	\| ErangeUpEq
	1636	{ $$ = OperKinds::LEThan; }
[d69f4bb4]	1637	\| ErangeDownEq
	1638	{ $$ = OperKinds::GEThan; }
[9fd9d015]	1639	;
[cc22003]	1640
[51b7345]	1641	jump_statement:
[44a81853]	1642	GOTO identifier_or_type_name ';'
[bb7422a]	1643	{ $$ = new StatementNode( build_branch( yylloc, $2, ast::BranchStmt::Goto ) ); }
[4d51835]	1644	\| GOTO '*' comma_expression ';' // GCC, computed goto
[4e06c1e]	1645	// The syntax for the GCC computed goto violates normal expression precedence, e.g., goto i+3; => goto (i+3);
[de62360d]	1646	// whereas normal operator precedence yields goto (*i)+3;
[e82aa9df]	1647	{ $$ = new StatementNode( build_computedgoto( $3 ) ); }
[6a276a0]	1648	// A semantic check is required to ensure fallthru appears only in the body of a choose statement.
[ec3f9c8]	1649	\| fall_through_name ';' // CFA
[bb7422a]	1650	{ $$ = new StatementNode( build_branch( yylloc, ast::BranchStmt::FallThrough ) ); }
[ec3f9c8]	1651	\| fall_through_name identifier_or_type_name ';' // CFA
[bb7422a]	1652	{ $$ = new StatementNode( build_branch( yylloc, $2, ast::BranchStmt::FallThrough ) ); }
[6a276a0]	1653	\| fall_through_name DEFAULT ';' // CFA
[bb7422a]	1654	{ $$ = new StatementNode( build_branch( yylloc, ast::BranchStmt::FallThroughDefault ) ); }
[4d51835]	1655	\| CONTINUE ';'
[de62360d]	1656	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[bb7422a]	1657	{ $$ = new StatementNode( build_branch( yylloc, ast::BranchStmt::Continue ) ); }
[44a81853]	1658	\| CONTINUE identifier_or_type_name ';' // CFA, multi-level continue
[de62360d]	1659	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	1660	// the target of the transfer appears only at the start of an iteration statement.
[bb7422a]	1661	{ $$ = new StatementNode( build_branch( yylloc, $2, ast::BranchStmt::Continue ) ); }
[4d51835]	1662	\| BREAK ';'
[de62360d]	1663	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[bb7422a]	1664	{ $$ = new StatementNode( build_branch( yylloc, ast::BranchStmt::Break ) ); }
[44a81853]	1665	\| BREAK identifier_or_type_name ';' // CFA, multi-level exit
[de62360d]	1666	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	1667	// the target of the transfer appears only at the start of an iteration statement.
[bb7422a]	1668	{ $$ = new StatementNode( build_branch( yylloc, $2, ast::BranchStmt::Break ) ); }
[4d51835]	1669	\| RETURN comma_expression_opt ';'
[bb7422a]	1670	{ $$ = new StatementNode( build_return( yylloc, $2 ) ); }
[c786e1d]	1671	\| RETURN '{' initializer_list_opt comma_opt '}' ';'
[fae90d5]	1672	{ SemanticError( yylloc, "Initializer return is currently unimplemented." ); $$ = nullptr; }
[37cdd97]	1673	\| SUSPEND ';'
[bb7422a]	1674	{ $$ = new StatementNode( build_suspend( yylloc, nullptr, ast::SuspendStmt::None ) ); }
[9306559f]	1675	\| SUSPEND compound_statement
[bb7422a]	1676	{ $$ = new StatementNode( build_suspend( yylloc, $2, ast::SuspendStmt::None ) ); }
[37cdd97]	1677	\| SUSPEND COROUTINE ';'
[bb7422a]	1678	{ $$ = new StatementNode( build_suspend( yylloc, nullptr, ast::SuspendStmt::Coroutine ) ); }
[37cdd97]	1679	\| SUSPEND COROUTINE compound_statement
[bb7422a]	1680	{ $$ = new StatementNode( build_suspend( yylloc, $3, ast::SuspendStmt::Coroutine ) ); }
[37cdd97]	1681	\| SUSPEND GENERATOR ';'
[bb7422a]	1682	{ $$ = new StatementNode( build_suspend( yylloc, nullptr, ast::SuspendStmt::Generator ) ); }
[37cdd97]	1683	\| SUSPEND GENERATOR compound_statement
[bb7422a]	1684	{ $$ = new StatementNode( build_suspend( yylloc, $3, ast::SuspendStmt::Generator ) ); }
[8cc5cb0]	1685	\| THROW assignment_expression_opt ';' // handles rethrow
[bb7422a]	1686	{ $$ = new StatementNode( build_throw( yylloc, $2 ) ); }
[8cc5cb0]	1687	\| THROWRESUME assignment_expression_opt ';' // handles reresume
[bb7422a]	1688	{ $$ = new StatementNode( build_resume( yylloc, $2 ) ); }
[8cc5cb0]	1689	\| THROWRESUME assignment_expression_opt AT assignment_expression ';' // handles reresume
[daf1af8]	1690	{ $$ = new StatementNode( build_resume_at( $2, $4 ) ); }
[4d51835]	1691	;
[51b7345]	1692
[6a276a0]	1693	fall_through_name: // CFA
	1694	FALLTHRU
	1695	\| FALLTHROUGH
	1696	;
	1697
[8b47e50]	1698	with_statement:
[5b2edbc]	1699	WITH '(' tuple_expression_list ')' statement
[bb7422a]	1700	{ $$ = new StatementNode( build_with( yylloc, $3, $5 ) ); }
[5b2edbc]	1701	;
	1702
[bf20567]	1703	// If MUTEX becomes a general qualifier, there are shift/reduce conflicts, so possibly change syntax to "with mutex".
[b6b3c42]	1704	mutex_statement:
[bf20567]	1705	MUTEX '(' argument_expression_list_opt ')' statement
	1706	{
[55266c7]	1707	if ( ! $3 ) { SemanticError( yylloc, "syntax error, mutex argument list cannot be empty." ); $$ = nullptr; }
[bb7422a]	1708	$$ = new StatementNode( build_mutex( yylloc, $3, $5 ) );
[bf20567]	1709	}
[b6b3c42]	1710	;
	1711
[51d6d6a]	1712	when_clause:
[6a276a0]	1713	WHEN '(' comma_expression ')' { $$ = $3; }
[51d6d6a]	1714	;
	1715
[5b2edbc]	1716	when_clause_opt:
	1717	// empty
[135b431]	1718	{ $$ = nullptr; }
[51d6d6a]	1719	\| when_clause
[5b2edbc]	1720	;
	1721
[4a063df]	1722	cast_expression_list:
	1723	cast_expression
	1724	\| cast_expression_list ',' cast_expression
[a491a3c]	1725	{ SemanticError( yylloc, "List of mutex member is currently unimplemented." ); $$ = nullptr; }
[5b2edbc]	1726	;
	1727
	1728	timeout:
[9fd9d015]	1729	TIMEOUT '(' comma_expression ')' { $$ = $3; }
[5b2edbc]	1730	;
	1731
[9fd9d015]	1732	wor:
	1733	OROR
	1734	\| WOR
	1735
	1736	waitfor:
	1737	WAITFOR '(' cast_expression ')'
	1738	{ $$ = $3; }
	1739	\| WAITFOR '(' cast_expression_list ':' argument_expression_list_opt ')'
[b93c544]	1740	{ $$ = $3->set_last( $5 ); }
[5b2edbc]	1741	;
	1742
[9fd9d015]	1743	wor_waitfor_clause:
[51d6d6a]	1744	when_clause_opt waitfor statement %prec THEN
[9fd9d015]	1745	// Called first: create header for WaitForStmt.
[bb7422a]	1746	{ $$ = build_waitfor( yylloc, new ast::WaitForStmt( yylloc ), $1, $2, maybe_build_compound( yylloc, $3 ) ); }
[70056ed]	1747	\| wor_waitfor_clause wor when_clause_opt waitfor statement
[bb7422a]	1748	{ $$ = build_waitfor( yylloc, $1, $3, $4, maybe_build_compound( yylloc, $5 ) ); }
[9fd9d015]	1749	\| wor_waitfor_clause wor when_clause_opt ELSE statement
[bb7422a]	1750	{ $$ = build_waitfor_else( yylloc, $1, $3, maybe_build_compound( yylloc, $5 ) ); }
[9fd9d015]	1751	\| wor_waitfor_clause wor when_clause_opt timeout statement %prec THEN
[bb7422a]	1752	{ $$ = build_waitfor_timeout( yylloc, $1, $3, $4, maybe_build_compound( yylloc, $5 ) ); }
[afe9e45]	1753	// "else" must be conditional after timeout or timeout is never triggered (i.e., it is meaningless)
[65ef0cd]	1754	\| wor_waitfor_clause wor when_clause_opt timeout statement wor ELSE statement // invalid syntax rule
[55266c7]	1755	{ SemanticError( yylloc, "syntax error, else clause must be conditional after timeout or timeout never triggered." ); $$ = nullptr; }
[9fd9d015]	1756	\| wor_waitfor_clause wor when_clause_opt timeout statement wor when_clause ELSE statement
[bb7422a]	1757	{ $$ = build_waitfor_else( yylloc, build_waitfor_timeout( yylloc, $1, $3, $4, maybe_build_compound( yylloc, $5 ) ), $7, maybe_build_compound( yylloc, $9 ) ); }
[5b2edbc]	1758	;
	1759
	1760	waitfor_statement:
[9fd9d015]	1761	wor_waitfor_clause %prec THEN
	1762	{ $$ = new StatementNode( $1 ); }
	1763	;
	1764
	1765	wand:
	1766	ANDAND
	1767	\| WAND
	1768	;
	1769
	1770	waituntil:
[04c78215]	1771	WAITUNTIL '(' comma_expression ')'
[9fd9d015]	1772	{ $$ = $3; }
	1773	;
	1774
	1775	waituntil_clause:
	1776	when_clause_opt waituntil statement
[c86b08d]	1777	{ $$ = build_waituntil_clause( yylloc, $1, $2, maybe_build_compound( yylloc, $3 ) ); }
[9fd9d015]	1778	\| '(' wor_waituntil_clause ')'
[c86b08d]	1779	{ $$ = $2; }
[9fd9d015]	1780	;
	1781
	1782	wand_waituntil_clause:
	1783	waituntil_clause %prec THEN
[c86b08d]	1784	{ $$ = $1; }
[9fd9d015]	1785	\| waituntil_clause wand wand_waituntil_clause
[c86b08d]	1786	{ $$ = new ast::WaitUntilStmt::ClauseNode( ast::WaitUntilStmt::ClauseNode::Op::AND, $1, $3 ); }
[9fd9d015]	1787	;
	1788
	1789	wor_waituntil_clause:
	1790	wand_waituntil_clause
[c86b08d]	1791	{ $$ = $1; }
[70056ed]	1792	\| wor_waituntil_clause wor wand_waituntil_clause
[c86b08d]	1793	{ $$ = new ast::WaitUntilStmt::ClauseNode( ast::WaitUntilStmt::ClauseNode::Op::OR, $1, $3 ); }
[9fd9d015]	1794	\| wor_waituntil_clause wor when_clause_opt ELSE statement
[c86b08d]	1795	{ $$ = new ast::WaitUntilStmt::ClauseNode( ast::WaitUntilStmt::ClauseNode::Op::LEFT_OR, $1, build_waituntil_else( yylloc, $3, maybe_build_compound( yylloc, $5 ) ) ); }
[9fd9d015]	1796	;
	1797
	1798	waituntil_statement:
	1799	wor_waituntil_clause %prec THEN
[f259682]	1800	{ $$ = new StatementNode( build_waituntil_stmt( yylloc, $1 ) ); }
[8b47e50]	1801	;
	1802
[11ab0b4a]	1803	corun_statement:
	1804	CORUN statement
[eb779d5]	1805	{ $$ = new StatementNode( build_corun( yylloc, $2 ) ); }
[11ab0b4a]	1806	;
	1807
	1808	cofor_statement:
	1809	COFOR '(' for_control_expression_list ')' statement
[3d9d017]	1810	{ $$ = new StatementNode( build_cofor( yylloc, $3, maybe_build_compound( yylloc, $5 ) ) ); }
[11ab0b4a]	1811	;
	1812
[51b7345]	1813	exception_statement:
[bb7422a]	1814	TRY compound_statement handler_clause %prec THEN
	1815	{ $$ = new StatementNode( build_try( yylloc, $2, $3, nullptr ) ); }
[4d51835]	1816	\| TRY compound_statement finally_clause
[bb7422a]	1817	{ $$ = new StatementNode( build_try( yylloc, $2, nullptr, $3 ) ); }
[cfaabe2c]	1818	\| TRY compound_statement handler_clause finally_clause
[bb7422a]	1819	{ $$ = new StatementNode( build_try( yylloc, $2, $3, $4 ) ); }
[4d51835]	1820	;
[51b7345]	1821
	1822	handler_clause:
[098f7ff]	1823	handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement
[6611177]	1824	{ $$ = new ClauseNode( build_catch( yylloc, $1, $4, $6, $8 ) ); }
[098f7ff]	1825	\| handler_clause handler_key '(' push exception_declaration pop handler_predicate_opt ')' compound_statement
[6611177]	1826	{ $$ = $1->set_last( new ClauseNode( build_catch( yylloc, $2, $5, $7, $9 ) ) ); }
[994d080]	1827	;
	1828
	1829	handler_predicate_opt:
[7fdb94e]	1830	// empty
[cbce272]	1831	{ $$ = nullptr; }
[6a276a0]	1832	\| ';' conditional_expression { $$ = $2; }
[307a732]	1833	;
	1834
	1835	handler_key:
[bb7422a]	1836	CATCH { $$ = ast::Terminate; }
	1837	\| RECOVER { $$ = ast::Terminate; }
	1838	\| CATCHRESUME { $$ = ast::Resume; }
	1839	\| FIXUP { $$ = ast::Resume; }
[4d51835]	1840	;
[51b7345]	1841
	1842	finally_clause:
[6611177]	1843	FINALLY compound_statement { $$ = new ClauseNode( build_finally( yylloc, $2 ) ); }
[4d51835]	1844	;
[51b7345]	1845
	1846	exception_declaration:
[d0ffed1]	1847	// No SUE declaration in parameter list.
	1848	type_specifier_nobody
	1849	\| type_specifier_nobody declarator
[c0a33d2]	1850	{ $$ = $2->addType( $1 ); }
[d0ffed1]	1851	\| type_specifier_nobody variable_abstract_declarator
[4d51835]	1852	{ $$ = $2->addType( $1 ); }
[033ff37]	1853	\| cfa_abstract_declarator_tuple identifier // CFA
[c0a33d2]	1854	{ $$ = $1->addName( $2 ); }
[c0aa336]	1855	\| cfa_abstract_declarator_tuple // CFA
[4d51835]	1856	;
[51b7345]	1857
[2a8427c6]	1858	enable_disable_statement:
	1859	enable_disable_key identifier_list compound_statement
	1860	;
	1861
	1862	enable_disable_key:
	1863	ENABLE
	1864	\| DISABLE
	1865	;
	1866
[51b7345]	1867	asm_statement:
[ab57786]	1868	ASM asm_volatile_opt '(' string_literal ')' ';'
[bb7422a]	1869	{ $$ = new StatementNode( build_asm( yylloc, $2, $4, nullptr ) ); }
[ab57786]	1870	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ')' ';' // remaining GCC
[bb7422a]	1871	{ $$ = new StatementNode( build_asm( yylloc, $2, $4, $6 ) ); }
[ab57786]	1872	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ')' ';'
[bb7422a]	1873	{ $$ = new StatementNode( build_asm( yylloc, $2, $4, $6, $8 ) ); }
[ab57786]	1874	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ':' asm_clobbers_list_opt ')' ';'
[bb7422a]	1875	{ $$ = new StatementNode( build_asm( yylloc, $2, $4, $6, $8, $10 ) ); }
[ab57786]	1876	\| ASM asm_volatile_opt GOTO '(' string_literal ':' ':' asm_operands_opt ':' asm_clobbers_list_opt ':' label_list ')' ';'
[bb7422a]	1877	{ $$ = new StatementNode( build_asm( yylloc, $2, $5, nullptr, $8, $10, $12 ) ); }
[7f5566b]	1878	;
	1879
	1880	asm_volatile_opt: // GCC
	1881	// empty
	1882	{ $$ = false; }
	1883	\| VOLATILE
	1884	{ $$ = true; }
[4d51835]	1885	;
[b87a5ed]	1886
	1887	asm_operands_opt: // GCC
[4d51835]	1888	// empty
[58dd019]	1889	{ $$ = nullptr; } // use default argument
[4d51835]	1890	\| asm_operands_list
	1891	;
[b87a5ed]	1892
	1893	asm_operands_list: // GCC
[4d51835]	1894	asm_operand
	1895	\| asm_operands_list ',' asm_operand
[b93c544]	1896	{ $$ = $1->set_last( $3 ); }
[4d51835]	1897	;
[b87a5ed]	1898
	1899	asm_operand: // GCC
[ab57786]	1900	string_literal '(' constant_expression ')'
[32d6fdc]	1901	{ $$ = new ExpressionNode( new ast::AsmExpr( yylloc, "", maybeMoveBuild( $1 ), maybeMoveBuild( $3 ) ) ); }
[665f432]	1902	\| '[' IDENTIFIER ']' string_literal '(' constant_expression ')'
[bb7422a]	1903	{
[32d6fdc]	1904	$$ = new ExpressionNode( new ast::AsmExpr( yylloc, *$2.str, maybeMoveBuild( $4 ), maybeMoveBuild( $6 ) ) );
[bb7422a]	1905	delete $2.str;
	1906	}
[7f5566b]	1907	;
	1908
[4e06c1e]	1909	asm_clobbers_list_opt: // GCC
[7f5566b]	1910	// empty
[58dd019]	1911	{ $$ = nullptr; } // use default argument
[ab57786]	1912	\| string_literal
[32d6fdc]	1913	{ $$ = $1; }
[ab57786]	1914	\| asm_clobbers_list_opt ',' string_literal
[b93c544]	1915	{ $$ = $1->set_last( $3 ); }
[4d51835]	1916	;
[b87a5ed]	1917
[7f5566b]	1918	label_list:
[033ff37]	1919	identifier
[ab57786]	1920	{
[bb7422a]	1921	$$ = new LabelNode(); $$->labels.emplace_back( yylloc, *$1 );
[ab57786]	1922	delete $1; // allocated by lexer
	1923	}
[033ff37]	1924	\| label_list ',' identifier
[ab57786]	1925	{
[bb7422a]	1926	$$ = $1; $1->labels.emplace_back( yylloc, *$3 );
[ab57786]	1927	delete $3; // allocated by lexer
	1928	}
[4d51835]	1929	;
[51b7345]	1930
[e1d66c84]	1931	// **************************** DECLARATIONS *******************************
[51b7345]	1932
[b87a5ed]	1933	declaration_list_opt: // used at beginning of switch statement
[35718a9]	1934	// empty
[58dd019]	1935	{ $$ = nullptr; }
[4d51835]	1936	\| declaration_list
	1937	;
[51b7345]	1938
	1939	declaration_list:
[4d51835]	1940	declaration
[647e2ea]	1941	\| declaration_list declaration
	1942	{ $$ = $1->set_last( $2 ); }
[4d51835]	1943	;
[51b7345]	1944
[407bde5]	1945	KR_parameter_list_opt: // used to declare parameter types in K&R style functions
[4cc585b]	1946	// empty
[58dd019]	1947	{ $$ = nullptr; }
[35718a9]	1948	\| KR_parameter_list
[4d51835]	1949	;
[51b7345]	1950
[35718a9]	1951	KR_parameter_list:
[c25f16b]	1952	c_declaration ';'
	1953	{ $$ = $1; }
	1954	\| KR_parameter_list c_declaration ';'
[dc3fbe5]	1955	{ $$ = $1->set_last( $2 ); }
[4d51835]	1956	;
[b87a5ed]	1957
[51b1202]	1958	local_label_declaration_opt: // GCC, local label
[4d51835]	1959	// empty
[51b1202]	1960	\| local_label_declaration_list
[4d51835]	1961	;
[b87a5ed]	1962
[51b1202]	1963	local_label_declaration_list: // GCC, local label
	1964	LABEL local_label_list ';'
	1965	\| local_label_declaration_list LABEL local_label_list ';'
[4d51835]	1966	;
[b87a5ed]	1967
[51b1202]	1968	local_label_list: // GCC, local label
[033ff37]	1969	identifier_or_type_name
	1970	\| local_label_list ',' identifier_or_type_name
[4d51835]	1971	;
[b87a5ed]	1972
[936e9f4]	1973	declaration: // old & new style declarations
[35718a9]	1974	c_declaration ';'
	1975	\| cfa_declaration ';' // CFA
[b47b827]	1976	\| static_assert // C11
[4d51835]	1977	;
[b87a5ed]	1978
[b9be000b]	1979	static_assert:
	1980	STATICASSERT '(' constant_expression ',' string_literal ')' ';' // C11
[32d6fdc]	1981	{ $$ = DeclarationNode::newStaticAssert( $3, maybeMoveBuild( $5 ) ); }
[b47b827]	1982	\| STATICASSERT '(' constant_expression ')' ';' // CFA
[bb7422a]	1983	{ $$ = DeclarationNode::newStaticAssert( $3, build_constantStr( yylloc, *new string( "\"\"" ) ) ); }
[b9be000b]	1984
[de62360d]	1985	// C declaration syntax is notoriously confusing and error prone. Cforall provides its own type, variable and function
	1986	// declarations. CFA declarations use the same declaration tokens as in C; however, CFA places declaration modifiers to
	1987	// the left of the base type, while C declarations place modifiers to the right of the base type. CFA declaration
	1988	// modifiers are interpreted from left to right and the entire type specification is distributed across all variables in
	1989	// the declaration list (as in Pascal). ANSI C and the new CFA declarations may appear together in the same program
	1990	// block, but cannot be mixed within a specific declaration.
[c11e31c]	1991	//
[b87a5ed]	1992	// CFA C
	1993	// [10] int x; int x[10]; // array of 10 integers
	1994	// [10] * char y; char *y[10]; // array of 10 pointers to char
	1995
[c0aa336]	1996	cfa_declaration: // CFA
[4cc585b]	1997	cfa_variable_declaration
	1998	\| cfa_typedef_declaration
	1999	\| cfa_function_declaration
	2000	\| type_declaring_list
[2501ae5]	2001	{ SemanticError( yylloc, "otype declaration is currently unimplemented." ); $$ = nullptr; }
[4cc585b]	2002	\| trait_specifier
[4d51835]	2003	;
[b87a5ed]	2004
[c0aa336]	2005	cfa_variable_declaration: // CFA
	2006	cfa_variable_specifier initializer_opt
[7fdb94e]	2007	{ $$ = $1->addInitializer( $2 ); }
[c0aa336]	2008	\| declaration_qualifier_list cfa_variable_specifier initializer_opt
[de62360d]	2009	// declaration_qualifier_list also includes type_qualifier_list, so a semantic check is necessary to preclude
	2010	// them as a type_qualifier cannot appear in that context.
[7fdb94e]	2011	{ $$ = $2->addQualifiers( $1 )->addInitializer( $3 ); }
[c0aa336]	2012	\| cfa_variable_declaration pop ',' push identifier_or_type_name initializer_opt
[dc3fbe5]	2013	{ $$ = $1->set_last( $1->cloneType( $5 )->addInitializer( $6 ) ); }
[4d51835]	2014	;
[b87a5ed]	2015
[c0aa336]	2016	cfa_variable_specifier: // CFA
[de62360d]	2017	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	2018	// storage-class
[c0aa336]	2019	cfa_abstract_declarator_no_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	2020	{ $$ = $1->addName( $2 )->addAsmName( $3 ); }
[c0aa336]	2021	\| cfa_abstract_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	2022	{ $$ = $1->addName( $2 )->addAsmName( $3 ); }
[c0aa336]	2023	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name asm_name_opt
[7fdb94e]	2024	{ $$ = $2->addQualifiers( $1 )->addName( $3 )->addAsmName( $4 ); }
[4d51835]	2025	;
[b87a5ed]	2026
[c0aa336]	2027	cfa_function_declaration: // CFA
	2028	cfa_function_specifier
	2029	\| type_qualifier_list cfa_function_specifier
[7fdb94e]	2030	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	2031	\| declaration_qualifier_list cfa_function_specifier
[7fdb94e]	2032	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	2033	\| declaration_qualifier_list type_qualifier_list cfa_function_specifier
[7fdb94e]	2034	{ $$ = $3->addQualifiers( $1 )->addQualifiers( $2 ); }
[647e2ea]	2035	\| cfa_function_declaration ',' identifier_or_type_name '(' push cfa_parameter_list_ellipsis_opt pop ')'
[4d51835]	2036	{
[481115f]	2037	// Append the return type at the start (left-hand-side) to each identifier in the list.
	2038	DeclarationNode * ret = new DeclarationNode;
[5bf685f]	2039	ret->type = maybeCopy( $1->type->base );
[dc3fbe5]	2040	$$ = $1->set_last( DeclarationNode::newFunction( $3, ret, $6, nullptr ) );
[4d51835]	2041	}
	2042	;
[b87a5ed]	2043
[c0aa336]	2044	cfa_function_specifier: // CFA
[647e2ea]	2045	'[' ']' identifier '(' push cfa_parameter_list_ellipsis_opt pop ')' attribute_list_opt
	2046	{ $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( nullptr ), $6, nullptr )->addQualifiers( $9 ); }
	2047	\| '[' ']' TYPEDEFname '(' push cfa_parameter_list_ellipsis_opt pop ')' attribute_list_opt
	2048	{ $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( nullptr ), $6, nullptr )->addQualifiers( $9 ); }
	2049	// \| '[' ']' TYPEGENname '(' push cfa_parameter_list_ellipsis_opt pop ')' attribute_list_opt
	2050	// { $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( nullptr ), $6, nullptr )->addQualifiers( $9 ); }
	2051
[2871210]	2052	// identifier_or_type_name must be broken apart because of the sequence:
[4d51835]	2053	//
[647e2ea]	2054	// '[' ']' identifier_or_type_name '(' cfa_parameter_list_ellipsis_opt ')'
[4d51835]	2055	// '[' ']' type_specifier
	2056	//
[2871210]	2057	// type_specifier can resolve to just TYPEDEFname (e.g., typedef int T; int f( T );). Therefore this must be
	2058	// flattened to allow lookahead to the '(' without having to reduce identifier_or_type_name.
[647e2ea]	2059	\| cfa_abstract_tuple identifier_or_type_name '(' push cfa_parameter_list_ellipsis_opt pop ')' attribute_list_opt
[c0aa336]	2060	// To obtain LR(1 ), this rule must be factored out from function return type (see cfa_abstract_declarator).
[a5f9444]	2061	{ $$ = DeclarationNode::newFunction( $2, $1, $5, nullptr )->addQualifiers( $8 ); }
[647e2ea]	2062	\| cfa_function_return identifier_or_type_name '(' push cfa_parameter_list_ellipsis_opt pop ')' attribute_list_opt
[a5f9444]	2063	{ $$ = DeclarationNode::newFunction( $2, $1, $5, nullptr )->addQualifiers( $8 ); }
[4d51835]	2064	;
[b87a5ed]	2065
[c0aa336]	2066	cfa_function_return: // CFA
[c0a33d2]	2067	'[' push cfa_parameter_list pop ']'
	2068	{ $$ = DeclarationNode::newTuple( $3 ); }
[647e2ea]	2069	\| '[' push cfa_parameter_list ',' cfa_abstract_parameter_list pop ']'
[b048dc3]	2070	// To obtain LR(1 ), the last cfa_abstract_parameter_list is added into this flattened rule to lookahead to the ']'.
[647e2ea]	2071	{ $$ = DeclarationNode::newTuple( $3->set_last( $5 ) ); }
[4d51835]	2072	;
[b87a5ed]	2073
[c0aa336]	2074	cfa_typedef_declaration: // CFA
	2075	TYPEDEF cfa_variable_specifier
[4d51835]	2076	{
[71a422a]	2077	typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "cfa_typedef_declaration 1" );
[4d51835]	2078	$$ = $2->addTypedef();
	2079	}
[c0aa336]	2080	\| TYPEDEF cfa_function_specifier
[4d51835]	2081	{
[71a422a]	2082	typedefTable.addToEnclosingScope( *$2->name, TYPEDEFname, "cfa_typedef_declaration 2" );
[4d51835]	2083	$$ = $2->addTypedef();
	2084	}
[647e2ea]	2085	\| cfa_typedef_declaration ',' identifier
[4d51835]	2086	{
[647e2ea]	2087	typedefTable.addToEnclosingScope( *$3, TYPEDEFname, "cfa_typedef_declaration 3" );
	2088	$$ = $1->set_last( $1->cloneType( $3 ) );
[4d51835]	2089	}
	2090	;
[b87a5ed]	2091
[de62360d]	2092	// Traditionally typedef is part of storage-class specifier for syntactic convenience only. Here, it is factored out as
	2093	// a separate form of declaration, which syntactically precludes storage-class specifiers and initialization.
[51b7345]	2094
	2095	typedef_declaration:
[4d51835]	2096	TYPEDEF type_specifier declarator
	2097	{
[71a422a]	2098	typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "typedef_declaration 1" );
[ac235a8]	2099	if ( $2->type->forall \|\| ($2->type->kind == TypeData::Aggregate && $2->type->aggregate.params) ) {
	2100	SemanticError( yylloc, "forall qualifier in typedef is currently unimplemented." ); $$ = nullptr;
	2101	} else $$ = $3->addType( $2 )->addTypedef(); // watchout frees $2 and $3
[4d51835]	2102	}
[c25f16b]	2103	\| typedef_declaration ',' declarator
[4d51835]	2104	{
[c25f16b]	2105	typedefTable.addToEnclosingScope( *$3->name, TYPEDEFname, "typedef_declaration 2" );
[dc3fbe5]	2106	$$ = $1->set_last( $1->cloneBaseType( $3 )->addTypedef() );
[4d51835]	2107	}
[de62360d]	2108	\| type_qualifier_list TYPEDEF type_specifier declarator // remaining OBSOLESCENT (see 2 )
[ac235a8]	2109	{ SemanticError( yylloc, "Type qualifiers/specifiers before TYPEDEF is deprecated, move after TYPEDEF." ); $$ = nullptr; }
[4d51835]	2110	\| type_specifier TYPEDEF declarator
[ac235a8]	2111	{ SemanticError( yylloc, "Type qualifiers/specifiers before TYPEDEF is deprecated, move after TYPEDEF." ); $$ = nullptr; }
[4d51835]	2112	\| type_specifier TYPEDEF type_qualifier_list declarator
[ac235a8]	2113	{ SemanticError( yylloc, "Type qualifiers/specifiers before TYPEDEF is deprecated, move after TYPEDEF." ); $$ = nullptr; }
[4d51835]	2114	;
[b87a5ed]	2115
[721f17a]	2116	typedef_expression:
[25744d2]	2117	// deprecated GCC, naming expression type: typedef name = exp; gives a name to the type of an expression
[033ff37]	2118	TYPEDEF identifier '=' assignment_expression
[4d51835]	2119	{
[ac235a8]	2120	SemanticError( yylloc, "TYPEDEF expression is deprecated, use typeof(...) instead." ); $$ = nullptr;
[4d51835]	2121	}
[c25f16b]	2122	\| typedef_expression ',' identifier '=' assignment_expression
[4d51835]	2123	{
[ac235a8]	2124	SemanticError( yylloc, "TYPEDEF expression is deprecated, use typeof(...) instead." ); $$ = nullptr;
[4d51835]	2125	}
	2126	;
[51b7345]	2127
[c0aa336]	2128	c_declaration:
[4cc585b]	2129	declaration_specifier declaring_list
[7fdb94e]	2130	{ $$ = distAttr( $1, $2 ); }
[4cc585b]	2131	\| typedef_declaration
[25744d2]	2132	\| typedef_expression // deprecated GCC, naming expression type
[4cc585b]	2133	\| sue_declaration_specifier
[0bcd707]	2134	{
	2135	assert( $1->type );
[1a73dbb]	2136	if ( $1->type->qualifiers.any() ) { // CV qualifiers ?
[55266c7]	2137	SemanticError( yylloc, "syntax error, useless type qualifier(s) in empty declaration." ); $$ = nullptr;
[1a73dbb]	2138	}
	2139	// enums are never empty declarations because there must have at least one enumeration.
	2140	if ( $1->type->kind == TypeData::AggregateInst && $1->storageClasses.any() ) { // storage class ?
[55266c7]	2141	SemanticError( yylloc, "syntax error, useless storage qualifier(s) in empty aggregate declaration." ); $$ = nullptr;
[0bcd707]	2142	}
	2143	}
[4d51835]	2144	;
[51b7345]	2145
	2146	declaring_list:
[de62360d]	2147	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	2148	// storage-class
[1f771fc]	2149	variable_declarator asm_name_opt initializer_opt
[7fdb94e]	2150	{ $$ = $1->addAsmName( $2 )->addInitializer( $3 ); }
[1f771fc]	2151	\| variable_type_redeclarator asm_name_opt initializer_opt
[7fdb94e]	2152	{ $$ = $1->addAsmName( $2 )->addInitializer( $3 ); }
[1f771fc]	2153
	2154	\| general_function_declarator asm_name_opt
	2155	{ $$ = $1->addAsmName( $2 )->addInitializer( nullptr ); }
	2156	\| general_function_declarator asm_name_opt '=' VOID
	2157	{ $$ = $1->addAsmName( $2 )->addInitializer( new InitializerNode( true ) ); }
	2158
[4d51835]	2159	\| declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
[dc3fbe5]	2160	{ $$ = $1->set_last( $4->addQualifiers( $3 )->addAsmName( $5 )->addInitializer( $6 ) ); }
[4d51835]	2161	;
[b87a5ed]	2162
[1f771fc]	2163	general_function_declarator:
	2164	function_type_redeclarator
	2165	\| function_declarator
	2166	;
	2167
[b87a5ed]	2168	declaration_specifier: // type specifier + storage class
[4d51835]	2169	basic_declaration_specifier
[84d58c5]	2170	\| type_declaration_specifier
[79a6b17]	2171	\| sue_declaration_specifier
[0442f93f]	2172	\| sue_declaration_specifier invalid_types // invalid syntax rule
[79a6b17]	2173	{
[b1f2007]	2174	SemanticError( yylloc, "syntax error, expecting ';' at end of \"%s\" declaration.",
[67467a3]	2175	ast::AggregateDecl::aggrString( $1->type->aggregate.kind ) );
[79a6b17]	2176	$$ = nullptr;
	2177	}
	2178	;
	2179
	2180	invalid_types:
	2181	aggregate_key
	2182	\| basic_type_name
	2183	\| indirect_type
[4d51835]	2184	;
[b87a5ed]	2185
[d0ffed1]	2186	declaration_specifier_nobody: // type specifier + storage class - {...}
	2187	// Preclude SUE declarations in restricted scopes:
	2188	//
	2189	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	2190	//
	2191	// because it is impossible to call f due to name equivalence.
	2192	basic_declaration_specifier
	2193	\| sue_declaration_specifier_nobody
[84d58c5]	2194	\| type_declaration_specifier
[d0ffed1]	2195	;
	2196
	2197	type_specifier: // type specifier
[4d51835]	2198	basic_type_specifier
	2199	\| sue_type_specifier
[84d58c5]	2200	\| type_type_specifier
[4d51835]	2201	;
[b87a5ed]	2202
[d0ffed1]	2203	type_specifier_nobody: // type specifier - {...}
	2204	// Preclude SUE declarations in restricted scopes:
	2205	//
	2206	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	2207	//
	2208	// because it is impossible to call f due to name equivalence.
	2209	basic_type_specifier
	2210	\| sue_type_specifier_nobody
[84d58c5]	2211	\| type_type_specifier
[d0ffed1]	2212	;
	2213
[b87a5ed]	2214	type_qualifier_list_opt: // GCC, used in asm_statement
[4d51835]	2215	// empty
[58dd019]	2216	{ $$ = nullptr; }
[4d51835]	2217	\| type_qualifier_list
	2218	;
[51b7345]	2219
	2220	type_qualifier_list:
[de62360d]	2221	// A semantic check is necessary to ensure a type qualifier is appropriate for the kind of declaration.
[4d51835]	2222	//
[de62360d]	2223	// ISO/IEC 9899:1999 Section 6.7.3(4 ) : If the same qualifier appears more than once in the same
	2224	// specifier-qualifier-list, either directly or via one or more typedefs, the behavior is the same as if it
	2225	// appeared only once.
[4d51835]	2226	type_qualifier
	2227	\| type_qualifier_list type_qualifier
	2228	{ $$ = $1->addQualifiers( $2 ); }
	2229	;
[51b7345]	2230
	2231	type_qualifier:
[4d51835]	2232	type_qualifier_name
[6cef439]	2233	{ $$ = DeclarationNode::newFromTypeData( $1 ); }
[b1f2007]	2234	\| attribute // trick handles most attribute locations
[4d51835]	2235	;
[51b7345]	2236
	2237	type_qualifier_name:
[4d51835]	2238	CONST
[6cef439]	2239	{ $$ = build_type_qualifier( ast::CV::Const ); }
[4d51835]	2240	\| RESTRICT
[6cef439]	2241	{ $$ = build_type_qualifier( ast::CV::Restrict ); }
[4d51835]	2242	\| VOLATILE
[6cef439]	2243	{ $$ = build_type_qualifier( ast::CV::Volatile ); }
[4d51835]	2244	\| ATOMIC
[6cef439]	2245	{ $$ = build_type_qualifier( ast::CV::Atomic ); }
[7e13b11]	2246
[446740a]	2247	// forall is a CV qualifier because it can appear in places where SC qualifiers are disallowed.
[7e13b11]	2248	//
	2249	// void foo( forall( T ) T (*)( T ) ); // forward declaration
	2250	// void bar( static int ); // static disallowed (gcc/CFA)
[a16a7ec]	2251	\| forall
[6cef439]	2252	{ $$ = build_forall( $1 ); }
[a16a7ec]	2253	;
	2254
	2255	forall:
[35718a9]	2256	FORALL '(' type_parameter_list ')' // CFA
[7a24d76]	2257	{ $$ = $3; }
[4d51835]	2258	;
[51b7345]	2259
	2260	declaration_qualifier_list:
[4d51835]	2261	storage_class_list
[de62360d]	2262	\| type_qualifier_list storage_class_list // remaining OBSOLESCENT (see 2 )
[4d51835]	2263	{ $$ = $1->addQualifiers( $2 ); }
	2264	\| declaration_qualifier_list type_qualifier_list storage_class_list
	2265	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	2266	;
[51b7345]	2267
	2268	storage_class_list:
[de62360d]	2269	// A semantic check is necessary to ensure a storage class is appropriate for the kind of declaration and that
	2270	// only one of each is specified, except for inline, which can appear with the others.
[4d51835]	2271	//
[de62360d]	2272	// ISO/IEC 9899:1999 Section 6.7.1(2) : At most, one storage-class specifier may be given in the declaration
	2273	// specifiers in a declaration.
[4d51835]	2274	storage_class
	2275	\| storage_class_list storage_class
	2276	{ $$ = $1->addQualifiers( $2 ); }
	2277	;
[51b7345]	2278
	2279	storage_class:
[4d51835]	2280	EXTERN
[36e6f10]	2281	{ $$ = DeclarationNode::newStorageClass( ast::Storage::Extern ); }
[4d51835]	2282	\| STATIC
[36e6f10]	2283	{ $$ = DeclarationNode::newStorageClass( ast::Storage::Static ); }
[4d51835]	2284	\| AUTO
[36e6f10]	2285	{ $$ = DeclarationNode::newStorageClass( ast::Storage::Auto ); }
[4d51835]	2286	\| REGISTER
[36e6f10]	2287	{ $$ = DeclarationNode::newStorageClass( ast::Storage::Register ); }
[ed9a1ae]	2288	\| THREADLOCALGCC // GCC
[36e6f10]	2289	{ $$ = DeclarationNode::newStorageClass( ast::Storage::ThreadLocalGcc ); }
[ed9a1ae]	2290	\| THREADLOCALC11 // C11
[36e6f10]	2291	{ $$ = DeclarationNode::newStorageClass( ast::Storage::ThreadLocalC11 ); }
[dd020c0]	2292	// Put function specifiers here to simplify parsing rules, but separate them semantically.
[4d51835]	2293	\| INLINE // C99
[36e6f10]	2294	{ $$ = DeclarationNode::newFuncSpecifier( ast::Function::Inline ); }
[4d51835]	2295	\| FORTRAN // C99
[36e6f10]	2296	{ $$ = DeclarationNode::newFuncSpecifier( ast::Function::Fortran ); }
[68cd1ce]	2297	\| NORETURN // C11
[36e6f10]	2298	{ $$ = DeclarationNode::newFuncSpecifier( ast::Function::Noreturn ); }
[4d51835]	2299	;
[51b7345]	2300
	2301	basic_type_name:
[6cef439]	2302	basic_type_name_type
	2303	{ $$ = DeclarationNode::newFromTypeData( $1 ); }
	2304	;
	2305
	2306	// Just an intermediate value for conversion.
	2307	basic_type_name_type:
[201aeb9]	2308	VOID
[e048ece]	2309	{ $$ = build_basic_type( TypeData::Void ); }
[4d51835]	2310	\| BOOL // C99
[e048ece]	2311	{ $$ = build_basic_type( TypeData::Bool ); }
[201aeb9]	2312	\| CHAR
[e048ece]	2313	{ $$ = build_basic_type( TypeData::Char ); }
[201aeb9]	2314	\| INT
[e048ece]	2315	{ $$ = build_basic_type( TypeData::Int ); }
[201aeb9]	2316	\| INT128
[e048ece]	2317	{ $$ = build_basic_type( TypeData::Int128 ); }
[f1da02c]	2318	\| UINT128
[e048ece]	2319	{ $$ = addType( build_basic_type( TypeData::Int128 ), build_signedness( TypeData::Unsigned ) ); }
[201aeb9]	2320	\| FLOAT
[e048ece]	2321	{ $$ = build_basic_type( TypeData::Float ); }
[201aeb9]	2322	\| DOUBLE
[e048ece]	2323	{ $$ = build_basic_type( TypeData::Double ); }
[e15853c]	2324	\| uuFLOAT80
[e048ece]	2325	{ $$ = build_basic_type( TypeData::uuFloat80 ); }
[e15853c]	2326	\| uuFLOAT128
[e048ece]	2327	{ $$ = build_basic_type( TypeData::uuFloat128 ); }
[e15853c]	2328	\| uFLOAT16
[e048ece]	2329	{ $$ = build_basic_type( TypeData::uFloat16 ); }
[e15853c]	2330	\| uFLOAT32
[e048ece]	2331	{ $$ = build_basic_type( TypeData::uFloat32 ); }
[e15853c]	2332	\| uFLOAT32X
[e048ece]	2333	{ $$ = build_basic_type( TypeData::uFloat32x ); }
[e15853c]	2334	\| uFLOAT64
[e048ece]	2335	{ $$ = build_basic_type( TypeData::uFloat64 ); }
[e15853c]	2336	\| uFLOAT64X
[e048ece]	2337	{ $$ = build_basic_type( TypeData::uFloat64x ); }
[e15853c]	2338	\| uFLOAT128
[e048ece]	2339	{ $$ = build_basic_type( TypeData::uFloat128 ); }
[15f769c]	2340	\| DECIMAL32
	2341	{ SemanticError( yylloc, "_Decimal32 is currently unimplemented." ); $$ = nullptr; }
	2342	\| DECIMAL64
	2343	{ SemanticError( yylloc, "_Decimal64 is currently unimplemented." ); $$ = nullptr; }
	2344	\| DECIMAL128
	2345	{ SemanticError( yylloc, "_Decimal128 is currently unimplemented." ); $$ = nullptr; }
[4d51835]	2346	\| COMPLEX // C99
[e048ece]	2347	{ $$ = build_complex_type( TypeData::Complex ); }
[4d51835]	2348	\| IMAGINARY // C99
[e048ece]	2349	{ $$ = build_complex_type( TypeData::Imaginary ); }
[201aeb9]	2350	\| SIGNED
[e048ece]	2351	{ $$ = build_signedness( TypeData::Signed ); }
[201aeb9]	2352	\| UNSIGNED
[e048ece]	2353	{ $$ = build_signedness( TypeData::Unsigned ); }
[201aeb9]	2354	\| SHORT
[e048ece]	2355	{ $$ = build_length( TypeData::Short ); }
[201aeb9]	2356	\| LONG
[e048ece]	2357	{ $$ = build_length( TypeData::Long ); }
[59c7e3e]	2358	\| VA_LIST // GCC, __builtin_va_list
[e048ece]	2359	{ $$ = build_builtin_type( TypeData::Valist ); }
[f673c13c]	2360	\| AUTO_TYPE
[e048ece]	2361	{ $$ = build_builtin_type( TypeData::AutoType ); }
[1f652a7]	2362	\| vtable
	2363	;
	2364
	2365	vtable_opt:
	2366	// empty
	2367	{ $$ = nullptr; }
[9380add]	2368	\| vtable
[1f652a7]	2369	;
	2370
	2371	vtable:
[8f6f3729]	2372	VTABLE '(' type_name ')' default_opt
[6cef439]	2373	{ $$ = build_vtable_type( $3 ); }
[1f652a7]	2374	;
	2375
	2376	default_opt:
	2377	// empty
	2378	{ $$ = nullptr; }
	2379	\| DEFAULT
	2380	{ SemanticError( yylloc, "vtable default is currently unimplemented." ); $$ = nullptr; }
[4d51835]	2381	;
[51b7345]	2382
	2383	basic_declaration_specifier:
[4d51835]	2384	// A semantic check is necessary for conflicting storage classes.
	2385	basic_type_specifier
	2386	\| declaration_qualifier_list basic_type_specifier
	2387	{ $$ = $2->addQualifiers( $1 ); }
	2388	\| basic_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	2389	{ $$ = $1->addQualifiers( $2 ); }
	2390	\| basic_declaration_specifier storage_class type_qualifier_list
	2391	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	2392	\| basic_declaration_specifier storage_class basic_type_specifier
	2393	{ $$ = $3->addQualifiers( $2 )->addType( $1 ); }
	2394	;
[51b7345]	2395
	2396	basic_type_specifier:
[84d58c5]	2397	direct_type
[f38e7d7]	2398	// Cannot have type modifiers, e.g., short, long, etc.
[84d58c5]	2399	\| type_qualifier_list_opt indirect_type type_qualifier_list_opt
[4d51835]	2400	{ $$ = $2->addQualifiers( $1 )->addQualifiers( $3 ); }
	2401	;
[51b7345]	2402
[84d58c5]	2403	direct_type:
[4d51835]	2404	basic_type_name
	2405	\| type_qualifier_list basic_type_name
	2406	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	2407	\| direct_type type_qualifier
[4d51835]	2408	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	2409	\| direct_type basic_type_name
[4d51835]	2410	{ $$ = $1->addType( $2 ); }
	2411	;
[51b7345]	2412
[84d58c5]	2413	indirect_type:
[b6ad601]	2414	TYPEOF '(' type ')' // GCC: typeof( x ) y;
[4d51835]	2415	{ $$ = $3; }
[b6ad601]	2416	\| TYPEOF '(' comma_expression ')' // GCC: typeof( a+b ) y;
[4d51835]	2417	{ $$ = DeclarationNode::newTypeof( $3 ); }
[b6ad601]	2418	\| BASETYPEOF '(' type ')' // CFA: basetypeof( x ) y;
[bb7422a]	2419	{ $$ = DeclarationNode::newTypeof( new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $3 ) ) ), true ); }
[b6ad601]	2420	\| BASETYPEOF '(' comma_expression ')' // CFA: basetypeof( a+b ) y;
	2421	{ $$ = DeclarationNode::newTypeof( $3, true ); }
[f38e7d7]	2422	\| ZERO_T // CFA
[e048ece]	2423	{ $$ = DeclarationNode::newFromTypeData( build_builtin_type( TypeData::Zero ) ); }
[f38e7d7]	2424	\| ONE_T // CFA
[e048ece]	2425	{ $$ = DeclarationNode::newFromTypeData( build_builtin_type( TypeData::One ) ); }
[4d51835]	2426	;
[51b7345]	2427
[d0ffed1]	2428	sue_declaration_specifier: // struct, union, enum + storage class + type specifier
[4d51835]	2429	sue_type_specifier
	2430	\| declaration_qualifier_list sue_type_specifier
	2431	{ $$ = $2->addQualifiers( $1 ); }
	2432	\| sue_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	2433	{ $$ = $1->addQualifiers( $2 ); }
	2434	\| sue_declaration_specifier storage_class type_qualifier_list
	2435	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	2436	;
[51b7345]	2437
[d0ffed1]	2438	sue_type_specifier: // struct, union, enum + type specifier
	2439	elaborated_type
[fdca7c6]	2440	\| type_qualifier_list
	2441	{ if ( $1->type != nullptr && $1->type->forall ) forall = true; } // remember generic type
	2442	elaborated_type
	2443	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	2444	\| sue_type_specifier type_qualifier
[284da8c]	2445	{
	2446	if ( $2->type != nullptr && $2->type->forall ) forall = true; // remember generic type
	2447	$$ = $1->addQualifiers( $2 );
	2448	}
[4d51835]	2449	;
[51b7345]	2450
[d0ffed1]	2451	sue_declaration_specifier_nobody: // struct, union, enum - {...} + storage class + type specifier
	2452	sue_type_specifier_nobody
	2453	\| declaration_qualifier_list sue_type_specifier_nobody
	2454	{ $$ = $2->addQualifiers( $1 ); }
	2455	\| sue_declaration_specifier_nobody storage_class // remaining OBSOLESCENT (see 2)
	2456	{ $$ = $1->addQualifiers( $2 ); }
	2457	\| sue_declaration_specifier_nobody storage_class type_qualifier_list
	2458	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	2459	;
	2460
	2461	sue_type_specifier_nobody: // struct, union, enum - {...} + type specifier
	2462	elaborated_type_nobody
	2463	\| type_qualifier_list elaborated_type_nobody
	2464	{ $$ = $2->addQualifiers( $1 ); }
	2465	\| sue_type_specifier_nobody type_qualifier
	2466	{ $$ = $1->addQualifiers( $2 ); }
	2467	;
	2468
[84d58c5]	2469	type_declaration_specifier:
	2470	type_type_specifier
	2471	\| declaration_qualifier_list type_type_specifier
[4d51835]	2472	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	2473	\| type_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
[4d51835]	2474	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	2475	\| type_declaration_specifier storage_class type_qualifier_list
[4d51835]	2476	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	2477	;
[b87a5ed]	2478
[84d58c5]	2479	type_type_specifier: // typedef types
	2480	type_name
[6cef439]	2481	{ $$ = DeclarationNode::newFromTypeData( $1 ); }
[84d58c5]	2482	\| type_qualifier_list type_name
[6cef439]	2483	{ $$ = DeclarationNode::newFromTypeData( $2 )->addQualifiers( $1 ); }
[84d58c5]	2484	\| type_type_specifier type_qualifier
	2485	{ $$ = $1->addQualifiers( $2 ); }
	2486	;
	2487
	2488	type_name:
[4d51835]	2489	TYPEDEFname
[6cef439]	2490	{ $$ = build_typedef( $1 ); }
[84d58c5]	2491	\| '.' TYPEDEFname
[6cef439]	2492	{ $$ = build_qualified_type( build_global_scope(), build_typedef( $2 ) ); }
[84d58c5]	2493	\| type_name '.' TYPEDEFname
[6cef439]	2494	{ $$ = build_qualified_type( $1, build_typedef( $3 ) ); }
[84d58c5]	2495	\| typegen_name
	2496	\| '.' typegen_name
[6cef439]	2497	{ $$ = build_qualified_type( build_global_scope(), $2 ); }
[84d58c5]	2498	\| type_name '.' typegen_name
[6cef439]	2499	{ $$ = build_qualified_type( $1, $3 ); }
[84d58c5]	2500	;
	2501
	2502	typegen_name: // CFA
[65d6de4]	2503	TYPEGENname
[6cef439]	2504	{ $$ = build_type_gen( $1, nullptr ); }
[65d6de4]	2505	\| TYPEGENname '(' ')'
[6cef439]	2506	{ $$ = build_type_gen( $1, nullptr ); }
[67cf18c]	2507	\| TYPEGENname '(' type_list ')'
[6cef439]	2508	{ $$ = build_type_gen( $1, $3 ); }
[4d51835]	2509	;
[51b7345]	2510
[d0ffed1]	2511	elaborated_type: // struct, union, enum
[c0aa336]	2512	aggregate_type
	2513	\| enum_type
[4d51835]	2514	;
[51b7345]	2515
[d0ffed1]	2516	elaborated_type_nobody: // struct, union, enum - {...}
	2517	aggregate_type_nobody
	2518	\| enum_type_nobody
	2519	;
	2520
[7e13b11]	2521	// ************************ AGGREGATE *****************************
	2522
[d0ffed1]	2523	aggregate_type: // struct, union
[fc20514]	2524	aggregate_key attribute_list_opt
	2525	{ forall = false; } // reset
	2526	'{' field_declaration_list_opt '}' type_parameters_opt
[777ed2b]	2527	{ $$ = DeclarationNode::newAggregate( $1, nullptr, $7, $5, true )->addQualifiers( $2 ); }
[73f04fd]	2528	\| aggregate_key attribute_list_opt identifier
[fdca7c6]	2529	{
[71a422a]	2530	typedefTable.makeTypedef( *$3, forall \|\| typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname, "aggregate_type: 1" );
[fdca7c6]	2531	forall = false; // reset
	2532	}
[284da8c]	2533	'{' field_declaration_list_opt '}' type_parameters_opt
[d8454b9]	2534	{
	2535	$$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 );
	2536	}
[f9c3100]	2537	\| aggregate_key attribute_list_opt TYPEDEFname // unqualified type name
[407bde5]	2538	{
[71a422a]	2539	typedefTable.makeTypedef( *$3, forall \|\| typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname, "aggregate_type: 2" );
[407bde5]	2540	forall = false; // reset
	2541	}
[284da8c]	2542	'{' field_declaration_list_opt '}' type_parameters_opt
[f9c3100]	2543	{
[6cef439]	2544	DeclarationNode::newFromTypeData( build_typedef( $3 ) );
[f9c3100]	2545	$$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 );
	2546	}
	2547	\| aggregate_key attribute_list_opt TYPEGENname // unqualified type name
	2548	{
[71a422a]	2549	typedefTable.makeTypedef( *$3, forall \|\| typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname, "aggregate_type: 3" );
[f9c3100]	2550	forall = false; // reset
	2551	}
	2552	'{' field_declaration_list_opt '}' type_parameters_opt
	2553	{
[6cef439]	2554	DeclarationNode::newFromTypeData( build_type_gen( $3, nullptr ) );
[f9c3100]	2555	$$ = DeclarationNode::newAggregate( $1, $3, $8, $6, true )->addQualifiers( $2 );
	2556	}
[d0ffed1]	2557	\| aggregate_type_nobody
	2558	;
	2559
[284da8c]	2560	type_parameters_opt:
	2561	// empty
	2562	{ $$ = nullptr; } %prec '}'
	2563	\| '(' type_list ')'
	2564	{ $$ = $2; }
	2565	;
	2566
[d0ffed1]	2567	aggregate_type_nobody: // struct, union - {...}
[73f04fd]	2568	aggregate_key attribute_list_opt identifier
[84d58c5]	2569	{
[71a422a]	2570	typedefTable.makeTypedef( *$3, forall \|\| typedefTable.getEnclForall() ? TYPEGENname : TYPEDEFname, "aggregate_type_nobody" );
[9997fee]	2571	forall = false; // reset
[84d58c5]	2572	$$ = DeclarationNode::newAggregate( $1, $3, nullptr, nullptr, false )->addQualifiers( $2 );
	2573	}
[73f04fd]	2574	\| aggregate_key attribute_list_opt type_name
[65d6de4]	2575	{
[fc20514]	2576	forall = false; // reset
[65d6de4]	2577	// Create new generic declaration with same name as previous forward declaration, where the IDENTIFIER is
	2578	// switched to a TYPEGENname. Link any generic arguments from typegen_name to new generic declaration and
[446740a]	2579	// delete newFromTypeGen.
[6cef439]	2580	if ( $3->kind == TypeData::SymbolicInst && ! $3->symbolic.isTypedef ) {
	2581	$$ = DeclarationNode::newFromTypeData( $3 )->addQualifiers( $2 );
[9fa61f5]	2582	} else {
[6cef439]	2583	$$ = DeclarationNode::newAggregate( $1, $3->symbolic.name, $3->symbolic.actuals, nullptr, false )->addQualifiers( $2 );
	2584	$3->symbolic.name = nullptr; // copied to $$
	2585	$3->symbolic.actuals = nullptr;
[9fa61f5]	2586	delete $3;
	2587	}
[65d6de4]	2588	}
[4d51835]	2589	;
[51b7345]	2590
	2591	aggregate_key:
[e307e12]	2592	aggregate_data
	2593	\| aggregate_control
	2594	;
	2595
	2596	aggregate_data:
[1f652a7]	2597	STRUCT vtable_opt
[bb7422a]	2598	{ $$ = ast::AggregateDecl::Struct; }
[c0aa336]	2599	\| UNION
[bb7422a]	2600	{ $$ = ast::AggregateDecl::Union; }
[e307e12]	2601	\| EXCEPTION // CFA
[bb7422a]	2602	{ $$ = ast::AggregateDecl::Exception; }
[e307e12]	2603	;
	2604
	2605	aggregate_control: // CFA
[cbbd8fd7]	2606	MONITOR
[bb7422a]	2607	{ $$ = ast::AggregateDecl::Monitor; }
[cbbd8fd7]	2608	\| MUTEX STRUCT
[bb7422a]	2609	{ $$ = ast::AggregateDecl::Monitor; }
[cbbd8fd7]	2610	\| GENERATOR
[bb7422a]	2611	{ $$ = ast::AggregateDecl::Generator; }
[cbbd8fd7]	2612	\| MUTEX GENERATOR
[bb7422a]	2613	{
	2614	SemanticError( yylloc, "monitor generator is currently unimplemented." );
	2615	$$ = ast::AggregateDecl::NoAggregate;
	2616	}
[d3bc0ad]	2617	\| COROUTINE
[bb7422a]	2618	{ $$ = ast::AggregateDecl::Coroutine; }
[cbbd8fd7]	2619	\| MUTEX COROUTINE
[bb7422a]	2620	{
	2621	SemanticError( yylloc, "monitor coroutine is currently unimplemented." );
	2622	$$ = ast::AggregateDecl::NoAggregate;
	2623	}
[d3bc0ad]	2624	\| THREAD
[bb7422a]	2625	{ $$ = ast::AggregateDecl::Thread; }
[cbbd8fd7]	2626	\| MUTEX THREAD
[bb7422a]	2627	{
	2628	SemanticError( yylloc, "monitor thread is currently unimplemented." );
	2629	$$ = ast::AggregateDecl::NoAggregate;
	2630	}
[4d51835]	2631	;
[51b7345]	2632
[7fdb94e]	2633	field_declaration_list_opt:
[5d125e4]	2634	// empty
[58dd019]	2635	{ $$ = nullptr; }
[7fdb94e]	2636	\| field_declaration_list_opt field_declaration
[dc3fbe5]	2637	{ $$ = $1 ? $1->set_last( $2 ) : $2; }
[4d51835]	2638	;
[51b7345]	2639
	2640	field_declaration:
[679e644]	2641	type_specifier field_declaring_list_opt ';'
[d8454b9]	2642	{
	2643	// printf( "type_specifier1 %p %s\n", $$, $$->type->aggregate.name ? $$->type->aggregate.name->c_str() : "(nil)" );
	2644	$$ = fieldDecl( $1, $2 );
	2645	// printf( "type_specifier2 %p %s\n", $$, $$->type->aggregate.name ? $$->type->aggregate.name->c_str() : "(nil)" );
[9fd9d015]	2646	// for ( Attribute * attr: reverseIterate( $$->attributes ) ) {
[d8454b9]	2647	// printf( "\tattr %s\n", attr->name.c_str() );
	2648	// } // for
	2649	}
[0442f93f]	2650	\| type_specifier field_declaring_list_opt '}' // invalid syntax rule
[55266c7]	2651	{
[b1f2007]	2652	SemanticError( yylloc, "syntax error, expecting ';' at end of previous declaration." );
[55266c7]	2653	$$ = nullptr;
	2654	}
[679e644]	2655	\| EXTENSION type_specifier field_declaring_list_opt ';' // GCC
[f7e4db27]	2656	{ $$ = fieldDecl( $2, $3 ); distExt( $$ ); }
[466787a]	2657	\| STATIC type_specifier field_declaring_list_opt ';' // CFA
[9fd9d015]	2658	{ SemanticError( yylloc, "STATIC aggregate field qualifier currently unimplemented." ); $$ = nullptr; }
[e07caa2]	2659	\| INLINE type_specifier field_abstract_list_opt ';' // CFA
[679e644]	2660	{
[dea36ee]	2661	if ( ! $3 ) { // field declarator ?
	2662	$3 = DeclarationNode::newName( nullptr );
	2663	} // if
[679a260]	2664	$3->inLine = true;
[679e644]	2665	$$ = distAttr( $2, $3 ); // mark all fields in list
[e07caa2]	2666	distInl( $3 );
[8f91c9ae]	2667	}
[e307e12]	2668	\| INLINE aggregate_control ';' // CFA
[9fd9d015]	2669	{ SemanticError( yylloc, "INLINE aggregate control currently unimplemented." ); $$ = nullptr; }
[46fa473]	2670	\| typedef_declaration ';' // CFA
	2671	\| cfa_field_declaring_list ';' // CFA, new style field declaration
	2672	\| EXTENSION cfa_field_declaring_list ';' // GCC
	2673	{ distExt( $2 ); $$ = $2; } // mark all fields in list
[679e644]	2674	\| INLINE cfa_field_abstract_list ';' // CFA, new style field declaration
	2675	{ $$ = $2; } // mark all fields in list
[46fa473]	2676	\| cfa_typedef_declaration ';' // CFA
[b47b827]	2677	\| static_assert // C11
[4d51835]	2678	;
[b87a5ed]	2679
[679e644]	2680	field_declaring_list_opt:
	2681	// empty
	2682	{ $$ = nullptr; }
	2683	\| field_declarator
	2684	\| field_declaring_list_opt ',' attribute_list_opt field_declarator
[dc3fbe5]	2685	{ $$ = $1->set_last( $4->addQualifiers( $3 ) ); }
[4d51835]	2686	;
[51b7345]	2687
[679e644]	2688	field_declarator:
[e07caa2]	2689	bit_subrange_size // C special case, no field name
[4d51835]	2690	{ $$ = DeclarationNode::newBitfield( $1 ); }
	2691	\| variable_declarator bit_subrange_size_opt
[679e644]	2692	// A semantic check is required to ensure bit_subrange only appears on integral types.
[4d51835]	2693	{ $$ = $1->addBitfield( $2 ); }
[c6b1105]	2694	\| variable_type_redeclarator bit_subrange_size_opt
[679e644]	2695	// A semantic check is required to ensure bit_subrange only appears on integral types.
[4d51835]	2696	{ $$ = $1->addBitfield( $2 ); }
[1f771fc]	2697	\| function_type_redeclarator bit_subrange_size_opt
	2698	// A semantic check is required to ensure bit_subrange only appears on integral types.
	2699	{ $$ = $1->addBitfield( $2 ); }
[679e644]	2700	;
	2701
[e07caa2]	2702	field_abstract_list_opt:
	2703	// empty
[dea36ee]	2704	{ $$ = nullptr; }
[e07caa2]	2705	\| field_abstract
	2706	\| field_abstract_list_opt ',' attribute_list_opt field_abstract
[dc3fbe5]	2707	{ $$ = $1->set_last( $4->addQualifiers( $3 ) ); }
[679e644]	2708	;
	2709
[e07caa2]	2710	field_abstract:
[f7e4db27]	2711	// no bit fields
[e07caa2]	2712	variable_abstract_declarator
[679e644]	2713	;
	2714
	2715	cfa_field_declaring_list: // CFA, new style field declaration
[f7e4db27]	2716	// bit-fields are handled by C declarations
[033ff37]	2717	cfa_abstract_declarator_tuple identifier_or_type_name
[679e644]	2718	{ $$ = $1->addName( $2 ); }
[033ff37]	2719	\| cfa_field_declaring_list ',' identifier_or_type_name
[dc3fbe5]	2720	{ $$ = $1->set_last( $1->cloneType( $3 ) ); }
[679e644]	2721	;
	2722
	2723	cfa_field_abstract_list: // CFA, new style field declaration
[f7e4db27]	2724	// bit-fields are handled by C declarations
[679e644]	2725	cfa_abstract_declarator_tuple
	2726	\| cfa_field_abstract_list ','
[dc3fbe5]	2727	{ $$ = $1->set_last( $1->cloneType( 0 ) ); }
[4d51835]	2728	;
[51b7345]	2729
	2730	bit_subrange_size_opt:
[4d51835]	2731	// empty
[58dd019]	2732	{ $$ = nullptr; }
[4d51835]	2733	\| bit_subrange_size
	2734	;
[51b7345]	2735
	2736	bit_subrange_size:
[c786e1d]	2737	':' assignment_expression
[4d51835]	2738	{ $$ = $2; }
	2739	;
[51b7345]	2740
[7e13b11]	2741	// ************************ ENUMERATION *****************************
[647e2ea]	2742
[9e7236f4]	2743	enum_type:
[30aab55]	2744	// anonymous, no type name
	2745	ENUM attribute_list_opt hide_opt '{' enumerator_list comma_opt '}'
	2746	{
	2747	if ( $3 == EnumHiding::Hide ) {
	2748	SemanticError( yylloc, "syntax error, hiding ('!') the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr;
	2749	} // if
	2750	$$ = DeclarationNode::newEnum( nullptr, $5, true, false )->addQualifiers( $2 );
	2751	}
[42422fb]	2752	\| ENUM enumerator_type attribute_list_opt hide_opt '{' enumerator_list comma_opt '}'
[30aab55]	2753	{
[42422fb]	2754	if ( $2 && ($2->storageClasses.val != 0 \|\| $2->type->qualifiers.any()) ) {
[55266c7]	2755	SemanticError( yylloc, "syntax error, storage-class and CV qualifiers are not meaningful for enumeration constants, which are const." );
	2756	}
[42422fb]	2757	if ( $4 == EnumHiding::Hide ) {
	2758	SemanticError( yylloc, "syntax error, hiding ('!') the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr;
	2759	} // if
	2760	$$ = DeclarationNode::newEnum( nullptr, $6, true, true, $2 )->addQualifiers( $3 );
[b0d9ff7]	2761	}
[30aab55]	2762
[42422fb]	2763	// named type
[30aab55]	2764	\| ENUM attribute_list_opt identifier
	2765	{ typedefTable.makeTypedef( *$3, "enum_type 1" ); }
	2766	hide_opt '{' enumerator_list comma_opt '}'
	2767	{ $$ = DeclarationNode::newEnum( $3, $7, true, false, nullptr, $5 )->addQualifiers( $2 ); }
	2768	\| ENUM attribute_list_opt typedef_name hide_opt '{' enumerator_list comma_opt '}' // unqualified type name
	2769	{ $$ = DeclarationNode::newEnum( $3->name, $6, true, false, nullptr, $4 )->addQualifiers( $2 ); }
[42422fb]	2770	\| ENUM enumerator_type attribute_list_opt identifier attribute_list_opt
[b0d9ff7]	2771	{
[42422fb]	2772	if ( $2 && ($2->storageClasses.any() \|\| $2->type->qualifiers.val != 0) ) {
[55266c7]	2773	SemanticError( yylloc, "syntax error, storage-class and CV qualifiers are not meaningful for enumeration constants, which are const." );
	2774	}
[42422fb]	2775	typedefTable.makeTypedef( *$4, "enum_type 2" );
[8bea701]	2776	}
[c7f12a4]	2777	hide_opt '{' enumerator_list comma_opt '}'
[42422fb]	2778	{ $$ = DeclarationNode::newEnum( $4, $9, true, true, $2, $7 )->addQualifiers( $3 )->addQualifiers( $5 ); }
	2779	\| ENUM enumerator_type attribute_list_opt typedef_name attribute_list_opt hide_opt '{' enumerator_list comma_opt '}'
	2780	{ $$ = DeclarationNode::newEnum( $4->name, $8, true, true, $2, $6 )->addQualifiers( $3 )->addQualifiers( $5 ); }
[30aab55]	2781
	2782	// forward declaration
[d0ffed1]	2783	\| enum_type_nobody
	2784	;
	2785
[42422fb]	2786	enumerator_type:
	2787	'(' ')' // pure enumeration
	2788	{ $$ = nullptr; }
	2789	\| '(' cfa_abstract_parameter_declaration ')' // typed enumeration
	2790	{ $$ = $2; }
	2791	;
	2792
[c7f12a4]	2793	hide_opt:
	2794	// empty
[7cf8006]	2795	{ $$ = EnumHiding::Visible; }
[c7f12a4]	2796	\| '!'
[7cf8006]	2797	{ $$ = EnumHiding::Hide; }
[c7f12a4]	2798	;
	2799
[d0ffed1]	2800	enum_type_nobody: // enum - {...}
[f9c3100]	2801	ENUM attribute_list_opt identifier
[71a422a]	2802	{
	2803	typedefTable.makeTypedef( *$3, "enum_type_nobody 1" );
	2804	$$ = DeclarationNode::newEnum( $3, nullptr, false, false )->addQualifiers( $2 );
	2805	}
[0bd46fd]	2806	\| ENUM attribute_list_opt type_name
[71a422a]	2807	{
[6cef439]	2808	typedefTable.makeTypedef( *$3->symbolic.name, "enum_type_nobody 2" );
	2809	$$ = DeclarationNode::newEnum( $3->symbolic.name, nullptr, false, false )->addQualifiers( $2 );
[71a422a]	2810	}
[4d51835]	2811	;
[51b7345]	2812
	2813	enumerator_list:
[7cf8006]	2814	visible_hide_opt identifier_or_type_name enumerator_value_opt
[c7f12a4]	2815	{ $$ = DeclarationNode::newEnumValueGeneric( $2, $3 ); }
[f9c3100]	2816	\| INLINE type_name
[d9bad51]	2817	{
	2818	$$ = DeclarationNode::newEnumInLine( $2->symbolic.name );
	2819	$2->symbolic.name = nullptr;
	2820	delete $2;
	2821	}
[7cf8006]	2822	\| enumerator_list ',' visible_hide_opt identifier_or_type_name enumerator_value_opt
[dc3fbe5]	2823	{ $$ = $1->set_last( DeclarationNode::newEnumValueGeneric( $4, $5 ) ); }
[f9c3100]	2824	\| enumerator_list ',' INLINE type_name enumerator_value_opt
[dc3fbe5]	2825	{ $$ = $1->set_last( DeclarationNode::newEnumValueGeneric( new string("inline"), nullptr ) ); }
[4d51835]	2826	;
[51b7345]	2827
[7cf8006]	2828	visible_hide_opt:
[c7f12a4]	2829	hide_opt
	2830	\| '^'
[7cf8006]	2831	{ $$ = EnumHiding::Visible; }
[c7f12a4]	2832	;
	2833
[51b7345]	2834	enumerator_value_opt:
[4d51835]	2835	// empty
[58dd019]	2836	{ $$ = nullptr; }
[7991c7d]	2837	\| '=' constant_expression { $$ = new InitializerNode( $2 ); }
	2838	\| '=' '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $3, true ); }
	2839	// \| simple_assignment_operator initializer
	2840	// { $$ = $1 == OperKinds::Assign ? $2 : $2->set_maybeConstructed( false ); }
[4d51835]	2841	;
[51b7345]	2842
[7e13b11]	2843	// ************************ FUNCTION PARAMETERS *****************************
[647e2ea]	2844
	2845	parameter_list_ellipsis_opt:
	2846	// empty
	2847	{ $$ = nullptr; }
	2848	\| ELLIPSIS
	2849	{ $$ = nullptr; }
	2850	\| parameter_list
	2851	\| parameter_list ',' ELLIPSIS
	2852	{ $$ = $1->addVarArgs(); }
	2853	;
	2854
	2855	parameter_list: // abstract + real
	2856	parameter_declaration
	2857	\| abstract_parameter_declaration
	2858	\| parameter_list ',' parameter_declaration
	2859	{ $$ = $1->set_last( $3 ); }
	2860	\| parameter_list ',' abstract_parameter_declaration
	2861	{ $$ = $1->set_last( $3 ); }
	2862	;
	2863
	2864	cfa_parameter_list_ellipsis_opt: // CFA, abstract + real
[4d51835]	2865	// empty
[e048ece]	2866	{ $$ = DeclarationNode::newFromTypeData( build_basic_type( TypeData::Void ) ); }
[2a8427c6]	2867	\| ELLIPSIS
[58dd019]	2868	{ $$ = nullptr; }
[c0aa336]	2869	\| cfa_parameter_list
[647e2ea]	2870	\| cfa_abstract_parameter_list
	2871	\| cfa_parameter_list ',' cfa_abstract_parameter_list
	2872	{ $$ = $1->set_last( $3 ); }
	2873	\| cfa_parameter_list ',' ELLIPSIS
[4d51835]	2874	{ $$ = $1->addVarArgs(); }
[647e2ea]	2875	\| cfa_abstract_parameter_list ',' ELLIPSIS
[4d51835]	2876	{ $$ = $1->addVarArgs(); }
	2877	;
[b87a5ed]	2878
[c0aa336]	2879	cfa_parameter_list: // CFA
	2880	// To obtain LR(1) between cfa_parameter_list and cfa_abstract_tuple, the last cfa_abstract_parameter_list is
	2881	// factored out from cfa_parameter_list, flattening the rules to get lookahead to the ']'.
	2882	cfa_parameter_declaration
[647e2ea]	2883	\| cfa_abstract_parameter_list ',' cfa_parameter_declaration
	2884	{ $$ = $1->set_last( $3 ); }
	2885	\| cfa_parameter_list ',' cfa_parameter_declaration
	2886	{ $$ = $1->set_last( $3 ); }
	2887	\| cfa_parameter_list ',' cfa_abstract_parameter_list ',' cfa_parameter_declaration
	2888	{ $$ = $1->set_last( $3 )->set_last( $5 ); }
[4d51835]	2889	;
[b87a5ed]	2890
[c0aa336]	2891	cfa_abstract_parameter_list: // CFA, new & old style abstract
	2892	cfa_abstract_parameter_declaration
[647e2ea]	2893	\| cfa_abstract_parameter_list ',' cfa_abstract_parameter_declaration
[dc3fbe5]	2894	{ $$ = $1->set_last( $3 ); }
[4d51835]	2895	;
[51b7345]	2896
[de62360d]	2897	// Provides optional identifier names (abstract_declarator/variable_declarator), no initialization, different semantics
[2871210]	2898	// for typedef name by using type_parameter_redeclarator instead of typedef_redeclarator, and function prototypes.
[51b7345]	2899
[647e2ea]	2900	parameter_declaration:
	2901	// No SUE declaration in parameter list.
	2902	declaration_specifier_nobody identifier_parameter_declarator default_initializer_opt
	2903	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
	2904	\| declaration_specifier_nobody type_parameter_redeclarator default_initializer_opt
	2905	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
	2906	;
	2907
	2908	abstract_parameter_declaration:
	2909	declaration_specifier_nobody default_initializer_opt
	2910	{ $$ = $1->addInitializer( $2 ? new InitializerNode( $2 ) : nullptr ); }
	2911	\| declaration_specifier_nobody abstract_parameter_declarator default_initializer_opt
	2912	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
	2913	;
	2914
[c0aa336]	2915	cfa_parameter_declaration: // CFA, new & old style parameter declaration
[4d51835]	2916	parameter_declaration
[5a51798]	2917	\| cfa_identifier_parameter_declarator_no_tuple identifier_or_type_name default_initializer_opt
[4d51835]	2918	{ $$ = $1->addName( $2 ); }
[5a51798]	2919	\| cfa_abstract_tuple identifier_or_type_name default_initializer_opt
[c0aa336]	2920	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
[4d51835]	2921	{ $$ = $1->addName( $2 ); }
[5a51798]	2922	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name default_initializer_opt
[4d51835]	2923	{ $$ = $2->addName( $3 )->addQualifiers( $1 ); }
[7e13b11]	2924	\| cfa_function_specifier // int f( "int fp()" );
[4d51835]	2925	;
[b87a5ed]	2926
[c0aa336]	2927	cfa_abstract_parameter_declaration: // CFA, new & old style parameter declaration
[0ac8d07]	2928	abstract_parameter_declaration
[c0aa336]	2929	\| cfa_identifier_parameter_declarator_no_tuple
	2930	\| cfa_abstract_tuple
	2931	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
	2932	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	2933	{ $$ = $2->addQualifiers( $1 ); }
[7e13b11]	2934	\| cfa_abstract_function // int f( "int ()" );
[4d51835]	2935	;
[51b7345]	2936
[c11e31c]	2937	// ISO/IEC 9899:1999 Section 6.9.1(6) : "An identifier declared as a typedef name shall not be redeclared as a
[de62360d]	2938	// parameter." Because the scope of the K&R-style parameter-list sees the typedef first, the following is based only on
	2939	// identifiers. The ANSI-style parameter-list can redefine a typedef name.
[51b7345]	2940
[b87a5ed]	2941	identifier_list: // K&R-style parameter list => no types
[033ff37]	2942	identifier
[4d51835]	2943	{ $$ = DeclarationNode::newName( $1 ); }
[033ff37]	2944	\| identifier_list ',' identifier
[dc3fbe5]	2945	{ $$ = $1->set_last( DeclarationNode::newName( $3 ) ); }
[4d51835]	2946	;
[51b7345]	2947
[2871210]	2948	identifier_or_type_name:
[4d51835]	2949	identifier
	2950	\| TYPEDEFname
	2951	\| TYPEGENname
	2952	;
[51b7345]	2953
[84d58c5]	2954	type_no_function: // sizeof, alignof, cast (constructor)
[c0aa336]	2955	cfa_abstract_declarator_tuple // CFA
[9fa61f5]	2956	\| type_specifier // cannot be type_specifier_nobody, e.g., (struct S {}){} is a thing
[c0aa336]	2957	\| type_specifier abstract_declarator
[4d51835]	2958	{ $$ = $2->addType( $1 ); }
	2959	;
[b87a5ed]	2960
[84d58c5]	2961	type: // typeof, assertion
	2962	type_no_function
[c0aa336]	2963	\| cfa_abstract_function // CFA
[4d51835]	2964	;
[51b7345]	2965
	2966	initializer_opt:
[4d51835]	2967	// empty
[58dd019]	2968	{ $$ = nullptr; }
[f9c3100]	2969	\| simple_assignment_operator initializer { $$ = $1 == OperKinds::Assign ? $2 : $2->set_maybeConstructed( false ); }
	2970	\| '=' VOID { $$ = new InitializerNode( true ); }
[63b3279]	2971	\| '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $2, true ); }
[4d51835]	2972	;
[51b7345]	2973
	2974	initializer:
[de62360d]	2975	assignment_expression { $$ = new InitializerNode( $1 ); }
[7fdb94e]	2976	\| '{' initializer_list_opt comma_opt '}' { $$ = new InitializerNode( $2, true ); }
[4d51835]	2977	;
[51b7345]	2978
[7fdb94e]	2979	initializer_list_opt:
[097e2b0]	2980	// empty
[58dd019]	2981	{ $$ = nullptr; }
[097e2b0]	2982	\| initializer
[4d51835]	2983	\| designation initializer { $$ = $2->set_designators( $1 ); }
[b93c544]	2984	\| initializer_list_opt ',' initializer { $$ = $1->set_last( $3 ); }
	2985	\| initializer_list_opt ',' designation initializer { $$ = $1->set_last( $4->set_designators( $3 ) ); }
[4d51835]	2986	;
[b87a5ed]	2987
[de62360d]	2988	// There is an unreconcileable parsing problem between C99 and CFA with respect to designators. The problem is use of
	2989	// '=' to separator the designator from the initializer value, as in:
[c11e31c]	2990	//
[b87a5ed]	2991	// int x[10] = { [1] = 3 };
[c11e31c]	2992	//
[de62360d]	2993	// The string "[1] = 3" can be parsed as a designator assignment or a tuple assignment. To disambiguate this case, CFA
	2994	// changes the syntax from "=" to ":" as the separator between the designator and initializer. GCC does uses ":" for
	2995	// field selection. The optional use of the "=" in GCC, or in this case ":", cannot be supported either due to
	2996	// shift/reduce conflicts
[51b7345]	2997
	2998	designation:
[4d51835]	2999	designator_list ':' // C99, CFA uses ":" instead of "="
[e16eb460]	3000	\| identifier_at ':' // GCC, field name
[bb7422a]	3001	{ $$ = new ExpressionNode( build_varref( yylloc, $1 ) ); }
[4d51835]	3002	;
[51b7345]	3003
[b87a5ed]	3004	designator_list: // C99
[4d51835]	3005	designator
[2871210]	3006	\| designator_list designator
[b93c544]	3007	{ $$ = $1->set_last( $2 ); }
[d1625f8]	3008	//\| designator_list designator { $$ = new ExpressionNode( $1, $2 ); }
[4d51835]	3009	;
[51b7345]	3010
	3011	designator:
[e16eb460]	3012	'.' identifier_at // C99, field name
[bb7422a]	3013	{ $$ = new ExpressionNode( build_varref( yylloc, $2 ) ); }
[c0a33d2]	3014	\| '[' push assignment_expression pop ']' // C99, single array element
[de62360d]	3015	// assignment_expression used instead of constant_expression because of shift/reduce conflicts with tuple.
[d1625f8]	3016	{ $$ = $3; }
[c0a33d2]	3017	\| '[' push subrange pop ']' // CFA, multiple array elements
	3018	{ $$ = $3; }
	3019	\| '[' push constant_expression ELLIPSIS constant_expression pop ']' // GCC, multiple array elements
[bb7422a]	3020	{ $$ = new ExpressionNode( new ast::RangeExpr( yylloc, maybeMoveBuild( $3 ), maybeMoveBuild( $5 ) ) ); }
[679e644]	3021	\| '.' '[' push field_name_list pop ']' // CFA, tuple field selector
[c0a33d2]	3022	{ $$ = $4; }
[4d51835]	3023	;
[51b7345]	3024
[de62360d]	3025	// The CFA type system is based on parametric polymorphism, the ability to declare functions with type parameters,
	3026	// rather than an object-oriented type system. This required four groups of extensions:
[c11e31c]	3027	//
	3028	// Overloading: function, data, and operator identifiers may be overloaded.
	3029	//
[3ca7ef3]	3030	// Type declarations: "otype" is used to generate new types for declaring objects. Similarly, "dtype" is used for object
[de62360d]	3031	// and incomplete types, and "ftype" is used for function types. Type declarations with initializers provide
	3032	// definitions of new types. Type declarations with storage class "extern" provide opaque types.
[c11e31c]	3033	//
[de62360d]	3034	// Polymorphic functions: A forall clause declares a type parameter. The corresponding argument is inferred at the call
	3035	// site. A polymorphic function is not a template; it is a function, with an address and a type.
[c11e31c]	3036	//
	3037	// Specifications and Assertions: Specifications are collections of declarations parameterized by one or more
[de62360d]	3038	// types. They serve many of the purposes of abstract classes, and specification hierarchies resemble subclass
	3039	// hierarchies. Unlike classes, they can define relationships between types. Assertions declare that a type or
	3040	// types provide the operations declared by a specification. Assertions are normally used to declare requirements
	3041	// on type arguments of polymorphic functions.
[c11e31c]	3042
[b87a5ed]	3043	type_parameter_list: // CFA
[67cf18c]	3044	type_parameter
	3045	\| type_parameter_list ',' type_parameter
[dc3fbe5]	3046	{ $$ = $1->set_last( $3 ); }
[4d51835]	3047	;
[b87a5ed]	3048
[84d58c5]	3049	type_initializer_opt: // CFA
	3050	// empty
	3051	{ $$ = nullptr; }
	3052	\| '=' type
	3053	{ $$ = $2; }
	3054	;
	3055
[b87a5ed]	3056	type_parameter: // CFA
[033ff37]	3057	type_class identifier_or_type_name
[408ab79]	3058	{
[71a422a]	3059	typedefTable.addToScope( *$2, TYPEDEFname, "type_parameter 1" );
[bb7422a]	3060	if ( $1 == ast::TypeDecl::Otype ) { SemanticError( yylloc, "otype keyword is deprecated, use T " ); }
	3061	if ( $1 == ast::TypeDecl::Dtype ) { SemanticError( yylloc, "dtype keyword is deprecated, use T &" ); }
	3062	if ( $1 == ast::TypeDecl::Ttype ) { SemanticError( yylloc, "ttype keyword is deprecated, use T ..." ); }
[fd54fef]	3063	}
[5a51798]	3064	type_initializer_opt assertion_list_opt
[67cf18c]	3065	{ $$ = DeclarationNode::newTypeParam( $1, $2 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
[5a51798]	3066	\| identifier_or_type_name new_type_class
[71a422a]	3067	{ typedefTable.addToScope( *$1, TYPEDEFname, "type_parameter 2" ); }
[5a51798]	3068	type_initializer_opt assertion_list_opt
	3069	{ $$ = DeclarationNode::newTypeParam( $2, $1 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
	3070	\| '[' identifier_or_type_name ']'
[b66d14a]	3071	{
[71a422a]	3072	typedefTable.addToScope( *$2, TYPEDIMname, "type_parameter 3" );
[bb7422a]	3073	$$ = DeclarationNode::newTypeParam( ast::TypeDecl::Dimension, $2 );
[b66d14a]	3074	}
[5a51798]	3075	// \| type_specifier identifier_parameter_declarator
[9997fee]	3076	\| assertion_list
[bb7422a]	3077	{ $$ = DeclarationNode::newTypeParam( ast::TypeDecl::Dtype, new string( DeclarationNode::anonymous.newName() ) )->addAssertions( $1 ); }
[0522ebe]	3078	\| ENUM '(' identifier_or_type_name ')' identifier_or_type_name new_type_class type_initializer_opt assertion_list_opt
	3079	{
	3080	typedefTable.addToScope( *$3, TYPEDIMname, "type_parameter 4" );
	3081	typedefTable.addToScope( *$5, TYPEDIMname, "type_parameter 5" );
	3082	$$ = DeclarationNode::newTypeParam( $6, $5 )->addTypeInitializer( $7 )->addAssertions( $8 );
	3083	}
[4d51835]	3084	;
[b87a5ed]	3085
[5a51798]	3086	new_type_class: // CFA
	3087	// empty
[bb7422a]	3088	{ $$ = ast::TypeDecl::Otype; }
[5a51798]	3089	\| '&'
[bb7422a]	3090	{ $$ = ast::TypeDecl::Dtype; }
[5a51798]	3091	\| '*'
[7e13b11]	3092	{ $$ = ast::TypeDecl::DStype; } // Dtype + sized
	3093	// \| '(' '*' ')' // Gregor made me do it
	3094	// { $$ = ast::TypeDecl::Ftype; }
[5a51798]	3095	\| ELLIPSIS
[bb7422a]	3096	{ $$ = ast::TypeDecl::Ttype; }
[5a51798]	3097	;
	3098
[b87a5ed]	3099	type_class: // CFA
[4040425]	3100	OTYPE
[bb7422a]	3101	{ $$ = ast::TypeDecl::Otype; }
[4d51835]	3102	\| DTYPE
[bb7422a]	3103	{ $$ = ast::TypeDecl::Dtype; }
[8f60f0b]	3104	\| FTYPE
[bb7422a]	3105	{ $$ = ast::TypeDecl::Ftype; }
[8f60f0b]	3106	\| TTYPE
[bb7422a]	3107	{ $$ = ast::TypeDecl::Ttype; }
[4d51835]	3108	;
[b87a5ed]	3109
	3110	assertion_list_opt: // CFA
[4d51835]	3111	// empty
[58dd019]	3112	{ $$ = nullptr; }
[9997fee]	3113	\| assertion_list
	3114	;
	3115
	3116	assertion_list: // CFA
	3117	assertion
	3118	\| assertion_list assertion
[dc3fbe5]	3119	{ $$ = $1->set_last( $2 ); }
[4d51835]	3120	;
[b87a5ed]	3121
	3122	assertion: // CFA
[033ff37]	3123	'\|' identifier_or_type_name '(' type_list ')'
[7fdb94e]	3124	{ $$ = DeclarationNode::newTraitUse( $2, $4 ); }
[13e8427]	3125	\| '\|' '{' push trait_declaration_list pop '}'
[4d51835]	3126	{ $$ = $4; }
[35718a9]	3127	// \| '\|' '(' push type_parameter_list pop ')' '{' push trait_declaration_list pop '}' '(' type_list ')'
	3128	// { SemanticError( yylloc, "Generic data-type assertion is currently unimplemented." ); $$ = nullptr; }
[4d51835]	3129	;
[b87a5ed]	3130
[84d58c5]	3131	type_list: // CFA
	3132	type
[bb7422a]	3133	{ $$ = new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $1 ) ) ); }
[4d51835]	3134	\| assignment_expression
[84d58c5]	3135	\| type_list ',' type
[b93c544]	3136	{ $$ = $1->set_last( new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $3 ) ) ) ); }
[84d58c5]	3137	\| type_list ',' assignment_expression
[b93c544]	3138	{ $$ = $1->set_last( $3 ); }
[4d51835]	3139	;
[b87a5ed]	3140
	3141	type_declaring_list: // CFA
[4040425]	3142	OTYPE type_declarator
[4d51835]	3143	{ $$ = $2; }
[4040425]	3144	\| storage_class_list OTYPE type_declarator
[4d51835]	3145	{ $$ = $3->addQualifiers( $1 ); }
	3146	\| type_declaring_list ',' type_declarator
[dc3fbe5]	3147	{ $$ = $1->set_last( $3->copySpecifiers( $1 ) ); }
[4d51835]	3148	;
[b87a5ed]	3149
	3150	type_declarator: // CFA
[4d51835]	3151	type_declarator_name assertion_list_opt
	3152	{ $$ = $1->addAssertions( $2 ); }
[84d58c5]	3153	\| type_declarator_name assertion_list_opt '=' type
[4d51835]	3154	{ $$ = $1->addAssertions( $2 )->addType( $4 ); }
	3155	;
[b87a5ed]	3156
	3157	type_declarator_name: // CFA
[033ff37]	3158	identifier_or_type_name
[4d51835]	3159	{
[71a422a]	3160	typedefTable.addToEnclosingScope( *$1, TYPEDEFname, "type_declarator_name 1" );
[a5f9444]	3161	$$ = DeclarationNode::newTypeDecl( $1, nullptr );
[4d51835]	3162	}
[033ff37]	3163	\| identifier_or_type_name '(' type_parameter_list ')'
[4d51835]	3164	{
[71a422a]	3165	typedefTable.addToEnclosingScope( *$1, TYPEGENname, "type_declarator_name 2" );
[35718a9]	3166	$$ = DeclarationNode::newTypeDecl( $1, $3 );
[4d51835]	3167	}
	3168	;
[b87a5ed]	3169
[4040425]	3170	trait_specifier: // CFA
[033ff37]	3171	TRAIT identifier_or_type_name '(' type_parameter_list ')' '{' '}'
[8a97248]	3172	{
[3d937e2]	3173	SemanticWarning( yylloc, Warning::DeprecTraitSyntax );
[8a97248]	3174	$$ = DeclarationNode::newTrait( $2, $4, nullptr );
	3175	}
	3176	\| forall TRAIT identifier_or_type_name '{' '}' // alternate
[7a24d76]	3177	{ $$ = DeclarationNode::newTrait( $3, $1, nullptr ); }
[033ff37]	3178	\| TRAIT identifier_or_type_name '(' type_parameter_list ')' '{' push trait_declaration_list pop '}'
[8a97248]	3179	{
[3d937e2]	3180	SemanticWarning( yylloc, Warning::DeprecTraitSyntax );
[8a97248]	3181	$$ = DeclarationNode::newTrait( $2, $4, $8 );
	3182	}
[7a24d76]	3183	\| forall TRAIT identifier_or_type_name '{' push trait_declaration_list pop '}' // alternate
	3184	{ $$ = DeclarationNode::newTrait( $3, $1, $6 ); }
[4d51835]	3185	;
[b87a5ed]	3186
[84d58c5]	3187	trait_declaration_list: // CFA
[4040425]	3188	trait_declaration
[13e8427]	3189	\| trait_declaration_list pop push trait_declaration
[dc3fbe5]	3190	{ $$ = $1->set_last( $4 ); }
[4d51835]	3191	;
[b87a5ed]	3192
[84d58c5]	3193	trait_declaration: // CFA
[13e8427]	3194	cfa_trait_declaring_list ';'
	3195	\| trait_declaring_list ';'
[4d51835]	3196	;
[b87a5ed]	3197
[c0aa336]	3198	cfa_trait_declaring_list: // CFA
	3199	cfa_variable_specifier
	3200	\| cfa_function_specifier
	3201	\| cfa_trait_declaring_list pop ',' push identifier_or_type_name
[dc3fbe5]	3202	{ $$ = $1->set_last( $1->cloneType( $5 ) ); }
[4d51835]	3203	;
[b87a5ed]	3204
[4040425]	3205	trait_declaring_list: // CFA
[4d51835]	3206	type_specifier declarator
[7fdb94e]	3207	{ $$ = $2->addType( $1 ); }
[4040425]	3208	\| trait_declaring_list pop ',' push declarator
[dc3fbe5]	3209	{ $$ = $1->set_last( $1->cloneBaseType( $5 ) ); }
[4d51835]	3210	;
[51b7345]	3211
[e1d66c84]	3212	// ************************** EXTERNAL DEFINITIONS ***************************
[51b7345]	3213
	3214	translation_unit:
[3d56d15b]	3215	// empty, input file
[4d51835]	3216	\| external_definition_list
[dc3fbe5]	3217	{ parseTree = parseTree ? parseTree->set_last( $1 ) : $1; }
[4d51835]	3218	;
[51b7345]	3219
	3220	external_definition_list:
[35718a9]	3221	push external_definition pop
	3222	{ $$ = $2; }
[fc20514]	3223	\| external_definition_list push external_definition pop
[dc3fbe5]	3224	{ $$ = $1 ? $1->set_last( $3 ) : $3; }
[4d51835]	3225	;
[51b7345]	3226
	3227	external_definition_list_opt:
[4d51835]	3228	// empty
[58dd019]	3229	{ $$ = nullptr; }
[3d56d15b]	3230	\| external_definition_list
	3231	;
	3232
	3233	up:
[fc20514]	3234	{ typedefTable.up( forall ); forall = false; }
[3d56d15b]	3235	;
	3236
	3237	down:
	3238	{ typedefTable.down(); }
[4d51835]	3239	;
[51b7345]	3240
	3241	external_definition:
[2d019af]	3242	DIRECTIVE
[bb7422a]	3243	{ $$ = DeclarationNode::newDirectiveStmt( new StatementNode( build_directive( yylloc, $1 ) ) ); }
[2d019af]	3244	\| declaration
[1a73dbb]	3245	{
	3246	// Variable declarations of anonymous types requires creating a unique type-name across multiple translation
	3247	// unit, which is a dubious task, especially because C uses name rather than structural typing; hence it is
	3248	// disallowed at the moment.
[4eb3a7c5]	3249	if ( $1->linkage == ast::Linkage::Cforall && ! $1->storageClasses.is_static &&
	3250	$1->type && $1->type->kind == TypeData::AggregateInst ) {
[67467a3]	3251	if ( $1->type->aggInst.aggregate->aggregate.anon ) {
	3252	SemanticError( yylloc, "extern anonymous aggregate is currently unimplemented." ); $$ = nullptr;
[1a73dbb]	3253	}
	3254	}
	3255	}
[996c8ed]	3256	\| IDENTIFIER IDENTIFIER
	3257	{ IdentifierBeforeIdentifier( $1.str, $2.str, " declaration" ); $$ = nullptr; }
[65ef0cd]	3258	\| IDENTIFIER type_qualifier // invalid syntax rule
[996c8ed]	3259	{ IdentifierBeforeType( *$1.str, "type qualifier" ); $$ = nullptr; }
[65ef0cd]	3260	\| IDENTIFIER storage_class // invalid syntax rule
[996c8ed]	3261	{ IdentifierBeforeType( *$1.str, "storage class" ); $$ = nullptr; }
[65ef0cd]	3262	\| IDENTIFIER basic_type_name // invalid syntax rule
[996c8ed]	3263	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[65ef0cd]	3264	\| IDENTIFIER TYPEDEFname // invalid syntax rule
[996c8ed]	3265	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[65ef0cd]	3266	\| IDENTIFIER TYPEGENname // invalid syntax rule
[996c8ed]	3267	{ IdentifierBeforeType( *$1.str, "type" ); $$ = nullptr; }
[4d51835]	3268	\| external_function_definition
[ecae5860]	3269	\| EXTENSION external_definition // GCC, multiple __extension__ allowed, meaning unknown
	3270	{
	3271	distExt( $2 ); // mark all fields in list
	3272	$$ = $2;
	3273	}
[e994912]	3274	\| ASM '(' string_literal ')' ';' // GCC, global assembler statement
[bb7422a]	3275	{ $$ = DeclarationNode::newAsmStmt( new StatementNode( build_asm( yylloc, false, $3, nullptr ) ) ); }
[aac37fa]	3276	\| EXTERN STRINGliteral
	3277	{
	3278	linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
[bb7422a]	3279	linkage = ast::Linkage::update( yylloc, linkage, $2 );
[aac37fa]	3280	}
[ae2f2ae]	3281	up external_definition down
[aac37fa]	3282	{
	3283	linkage = linkageStack.top();
	3284	linkageStack.pop();
	3285	$$ = $5;
	3286	}
[c0aa336]	3287	\| EXTERN STRINGliteral // C++-style linkage specifier
[4d51835]	3288	{
[3b8e52c]	3289	linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
[bb7422a]	3290	linkage = ast::Linkage::update( yylloc, linkage, $2 );
[4d51835]	3291	}
[3d56d15b]	3292	'{' up external_definition_list_opt down '}'
[4d51835]	3293	{
	3294	linkage = linkageStack.top();
	3295	linkageStack.pop();
[3d56d15b]	3296	$$ = $6;
[8e9cbb2]	3297	}
[7e13b11]	3298	// global distribution
[9997fee]	3299	\| type_qualifier_list
	3300	{
[55266c7]	3301	if ( $1->type->qualifiers.any() ) {
	3302	SemanticError( yylloc, "syntax error, CV qualifiers cannot be distributed; only storage-class and forall qualifiers." );
	3303	}
[fc20514]	3304	if ( $1->type->forall ) forall = true; // remember generic type
[3d56d15b]	3305	}
	3306	'{' up external_definition_list_opt down '}' // CFA, namespace
	3307	{
[4c3ee8d]	3308	distQual( $5, $1 );
[9fd9d015]	3309	forall = false;
[3d56d15b]	3310	$$ = $5;
[9997fee]	3311	}
	3312	\| declaration_qualifier_list
	3313	{
[55266c7]	3314	if ( $1->type && $1->type->qualifiers.any() ) {
	3315	SemanticError( yylloc, "syntax error, CV qualifiers cannot be distributed; only storage-class and forall qualifiers." );
	3316	}
[fc20514]	3317	if ( $1->type && $1->type->forall ) forall = true; // remember generic type
[3d56d15b]	3318	}
	3319	'{' up external_definition_list_opt down '}' // CFA, namespace
	3320	{
[4c3ee8d]	3321	distQual( $5, $1 );
[9fd9d015]	3322	forall = false;
[3d56d15b]	3323	$$ = $5;
[9997fee]	3324	}
	3325	\| declaration_qualifier_list type_qualifier_list
	3326	{
[55266c7]	3327	if ( ($1->type && $1->type->qualifiers.any()) \|\| ($2->type && $2->type->qualifiers.any()) ) {
	3328	SemanticError( yylloc, "syntax error, CV qualifiers cannot be distributed; only storage-class and forall qualifiers." );
	3329	}
[b2ddaf3]	3330	if ( ($1->type && $1->type->forall) \|\| ($2->type && $2->type->forall) ) forall = true; // remember generic type
[9997fee]	3331	}
[3d56d15b]	3332	'{' up external_definition_list_opt down '}' // CFA, namespace
[9997fee]	3333	{
[284da8c]	3334	distQual( $6, $1->addQualifiers( $2 ) );
[9fd9d015]	3335	forall = false;
[3d56d15b]	3336	$$ = $6;
[9997fee]	3337	}
[4d51835]	3338	;
	3339
	3340	external_function_definition:
	3341	function_definition
[de62360d]	3342	// These rules are a concession to the "implicit int" type_specifier because there is a significant amount of
[c6b1105]	3343	// legacy code with global functions missing the type-specifier for the return type, and assuming "int".
	3344	// Parsing is possible because function_definition does not appear in the context of an expression (nested
	3345	// functions preclude this concession, i.e., all nested function must have a return type). A function prototype
	3346	// declaration must still have a type_specifier. OBSOLESCENT (see 1)
[4d51835]	3347	\| function_declarator compound_statement
[c0a33d2]	3348	{ $$ = $1->addFunctionBody( $2 ); }
[35718a9]	3349	\| KR_function_declarator KR_parameter_list_opt compound_statement
[c0a33d2]	3350	{ $$ = $1->addOldDeclList( $2 )->addFunctionBody( $3 ); }
[4d51835]	3351	;
[51b7345]	3352
[8b47e50]	3353	with_clause_opt:
	3354	// empty
[9997fee]	3355	{ $$ = nullptr; forall = false; }
[d8454b9]	3356	\| WITH '(' tuple_expression_list ')' attribute_list_opt
	3357	{
	3358	$$ = $3; forall = false;
	3359	if ( $5 ) {
[55266c7]	3360	SemanticError( yylloc, "syntax error, attributes cannot be associated with function body. Move attribute(s) before \"with\" clause." );
[d8454b9]	3361	$$ = nullptr;
	3362	} // if
	3363	}
[8b47e50]	3364	;
	3365
[51b7345]	3366	function_definition:
[8b47e50]	3367	cfa_function_declaration with_clause_opt compound_statement // CFA
[4d51835]	3368	{
[481115f]	3369	// Add the function body to the last identifier in the function definition list, i.e., foo3:
	3370	// [const double] foo1(), foo2( int ), foo3( double ) { return 3.0; }
[5fcba14]	3371	$1->get_last()->addFunctionBody( $3, $2 );
[481115f]	3372	$$ = $1;
[4d51835]	3373	}
[8b47e50]	3374	\| declaration_specifier function_declarator with_clause_opt compound_statement
[4d51835]	3375	{
[c38ae92]	3376	rebindForall( $1, $2 );
[7fdb94e]	3377	$$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
	3378	}
[1f771fc]	3379	\| declaration_specifier function_type_redeclarator with_clause_opt compound_statement
[7fdb94e]	3380	{
	3381	rebindForall( $1, $2 );
[5fcba14]	3382	$$ = $2->addFunctionBody( $4, $3 )->addType( $1 );
[4d51835]	3383	}
[a16a7ec]	3384	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	3385	\| type_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	3386	{ $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
[a16a7ec]	3387	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	3388	\| declaration_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	3389	{ $$ = $2->addFunctionBody( $4, $3 )->addQualifiers( $1 ); }
[a16a7ec]	3390	// handles default int return type, OBSOLESCENT (see 1)
[8b47e50]	3391	\| declaration_qualifier_list type_qualifier_list function_declarator with_clause_opt compound_statement
[c0a33d2]	3392	{ $$ = $3->addFunctionBody( $5, $4 )->addQualifiers( $2 )->addQualifiers( $1 ); }
[4d51835]	3393
	3394	// Old-style K&R function definition, OBSOLESCENT (see 4)
[35718a9]	3395	\| declaration_specifier KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[4d51835]	3396	{
[c38ae92]	3397	rebindForall( $1, $2 );
[5fcba14]	3398	$$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addType( $1 );
[4d51835]	3399	}
[a16a7ec]	3400	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	3401	\| type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	3402	{ $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
[a16a7ec]	3403	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	3404	\| declaration_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	3405	{ $$ = $2->addOldDeclList( $3 )->addFunctionBody( $5, $4 )->addQualifiers( $1 ); }
[a16a7ec]	3406	// handles default int return type, OBSOLESCENT (see 1)
[35718a9]	3407	\| declaration_qualifier_list type_qualifier_list KR_function_declarator KR_parameter_list_opt with_clause_opt compound_statement
[c0a33d2]	3408	{ $$ = $3->addOldDeclList( $4 )->addFunctionBody( $6, $5 )->addQualifiers( $2 )->addQualifiers( $1 ); }
[4d51835]	3409	;
[51b7345]	3410
	3411	declarator:
[4d51835]	3412	variable_declarator
[c6b1105]	3413	\| variable_type_redeclarator
[4d51835]	3414	\| function_declarator
[1f771fc]	3415	\| function_type_redeclarator
[4d51835]	3416	;
[51b7345]	3417
	3418	subrange:
[4d51835]	3419	constant_expression '~' constant_expression // CFA, integer subrange
[bb7422a]	3420	{ $$ = new ExpressionNode( new ast::RangeExpr( yylloc, maybeMoveBuild( $1 ), maybeMoveBuild( $3 ) ) ); }
[4d51835]	3421	;
[b87a5ed]	3422
[7e13b11]	3423	// ************************** ASM ***************************
	3424
[b87a5ed]	3425	asm_name_opt: // GCC
[4d51835]	3426	// empty
[58dd019]	3427	{ $$ = nullptr; }
	3428	\| ASM '(' string_literal ')' attribute_list_opt
[c0aa336]	3429	{
	3430	DeclarationNode * name = new DeclarationNode();
[32d6fdc]	3431	name->asmName = maybeMoveBuild( $3 );
[c0aa336]	3432	$$ = name->addQualifiers( $5 );
	3433	}
[4d51835]	3434	;
[b87a5ed]	3435
[7e13b11]	3436	// ************************** ATTRIBUTE ***************************
	3437
[b87a5ed]	3438	attribute_list_opt: // GCC
[4d51835]	3439	// empty
[58dd019]	3440	{ $$ = nullptr; }
[4d51835]	3441	\| attribute_list
	3442	;
[b87a5ed]	3443
	3444	attribute_list: // GCC
[4d51835]	3445	attribute
	3446	\| attribute_list attribute
[1db21619]	3447	{ $$ = $2->addQualifiers( $1 ); }
[4d51835]	3448	;
[b87a5ed]	3449
	3450	attribute: // GCC
[44a81853]	3451	ATTRIBUTE '(' '(' attribute_name_list ')' ')'
	3452	{ $$ = $4; }
[647e2ea]	3453	\| ATTRIBUTE '(' attribute_name_list ')' // CFA
	3454	{ $$ = $3; }
	3455	\| ATTR '(' attribute_name_list ')' // CFA
	3456	{ $$ = $3; }
[4d51835]	3457	;
[b87a5ed]	3458
[44a81853]	3459	attribute_name_list: // GCC
	3460	attribute_name
	3461	\| attribute_name_list ',' attribute_name
[c0aa336]	3462	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	3463	;
[b87a5ed]	3464
[44a81853]	3465	attribute_name: // GCC
[4d51835]	3466	// empty
[44a81853]	3467	{ $$ = nullptr; }
	3468	\| attr_name
	3469	{ $$ = DeclarationNode::newAttribute( $1 ); }
[cbbd8fd7]	3470	\| attr_name '(' argument_expression_list_opt ')'
[44a81853]	3471	{ $$ = DeclarationNode::newAttribute( $1, $3 ); }
[4d51835]	3472	;
[b87a5ed]	3473
[44a81853]	3474	attr_name: // GCC
	3475	IDENTIFIER
[5b2edbc]	3476	\| quasi_keyword
[44a81853]	3477	\| TYPEDEFname
	3478	\| TYPEGENname
[114014c]	3479	\| FALLTHROUGH
	3480	{ $$ = Token{ new string( "fallthrough" ), { nullptr, -1 } }; }
[44a81853]	3481	\| CONST
[9ff56e7]	3482	{ $$ = Token{ new string( "__const__" ), { nullptr, -1 } }; }
[4d51835]	3483	;
[51b7345]	3484
[c11e31c]	3485	// ============================================================================
[de62360d]	3486	// The following sections are a series of grammar patterns used to parse declarators. Multiple patterns are necessary
	3487	// because the type of an identifier in wrapped around the identifier in the same form as its usage in an expression, as
	3488	// in:
[c11e31c]	3489	//
[b87a5ed]	3490	// int (*f())[10] { ... };
	3491	// ... (*f())[3] += 1; // definition mimics usage
[c11e31c]	3492	//
[de62360d]	3493	// Because these patterns are highly recursive, changes at a lower level in the recursion require copying some or all of
	3494	// the pattern. Each of these patterns has some subtle variation to ensure correct syntax in a particular context.
[c11e31c]	3495	// ============================================================================
	3496
	3497	// ----------------------------------------------------------------------------
[de62360d]	3498	// The set of valid declarators before a compound statement for defining a function is less than the set of declarators
	3499	// to define a variable or function prototype, e.g.:
[c11e31c]	3500	//
[b87a5ed]	3501	// valid declaration invalid definition
	3502	// ----------------- ------------------
[4d51835]	3503	// int f; int f {}
	3504	// int f; int f {}
[b87a5ed]	3505	// int f[10]; int f[10] {}
[4d51835]	3506	// int (f)(int); int (f)(int) {}
[c11e31c]	3507	//
[de62360d]	3508	// To preclude this syntactic anomaly requires separating the grammar rules for variable and function declarators, hence
	3509	// variable_declarator and function_declarator.
[c11e31c]	3510	// ----------------------------------------------------------------------------
	3511
[de62360d]	3512	// This pattern parses a declaration of a variable that is not redefining a typedef name. The pattern precludes
	3513	// declaring an array of functions versus a pointer to an array of functions.
[51b7345]	3514
[5e25953]	3515	paren_identifier:
[e16eb460]	3516	identifier_at
[5e25953]	3517	{ $$ = DeclarationNode::newName( $1 ); }
	3518	\| '(' paren_identifier ')' // redundant parenthesis
	3519	{ $$ = $2; }
	3520	;
	3521
[51b7345]	3522	variable_declarator:
[4d51835]	3523	paren_identifier attribute_list_opt
[1db21619]	3524	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3525	\| variable_ptr
	3526	\| variable_array attribute_list_opt
[1db21619]	3527	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3528	\| variable_function attribute_list_opt
[1db21619]	3529	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3530	;
[51b7345]	3531
	3532	variable_ptr:
[dd51906]	3533	ptrref_operator variable_declarator
[a5f9444]	3534	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	3535	\| ptrref_operator type_qualifier_list variable_declarator
[ce8c12f]	3536	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	3537	\| '(' variable_ptr ')' attribute_list_opt // redundant parenthesis
	3538	{ $$ = $2->addQualifiers( $4 ); }
	3539	\| '(' attribute_list variable_ptr ')' attribute_list_opt // redundant parenthesis
	3540	{ $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
[4d51835]	3541	;
[51b7345]	3542
	3543	variable_array:
[4d51835]	3544	paren_identifier array_dimension
	3545	{ $$ = $1->addArray( $2 ); }
	3546	\| '(' variable_ptr ')' array_dimension
	3547	{ $$ = $2->addArray( $4 ); }
[5e25953]	3548	\| '(' attribute_list variable_ptr ')' array_dimension
	3549	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[9fd9d015]	3550	\| '(' variable_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	3551	{ $$ = $2->addArray( $4 ); }
[5e25953]	3552	\| '(' attribute_list variable_array ')' multi_array_dimension // redundant parenthesis
	3553	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[4d51835]	3554	\| '(' variable_array ')' // redundant parenthesis
	3555	{ $$ = $2; }
[5e25953]	3556	\| '(' attribute_list variable_array ')' // redundant parenthesis
	3557	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3558	;
[51b7345]	3559
	3560	variable_function:
[647e2ea]	3561	'(' variable_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3562	{ $$ = $2->addParamList( $5 ); }
[647e2ea]	3563	\| '(' attribute_list variable_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3564	{ $$ = $3->addQualifiers( $2 )->addParamList( $6 ); }
[4d51835]	3565	\| '(' variable_function ')' // redundant parenthesis
	3566	{ $$ = $2; }
[5e25953]	3567	\| '(' attribute_list variable_function ')' // redundant parenthesis
	3568	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3569	;
[51b7345]	3570
[c6b1105]	3571	// This pattern parses a function declarator that is not redefining a typedef name. For non-nested functions, there is
	3572	// no context where a function definition can redefine a typedef name, i.e., the typedef and function name cannot exist
	3573	// is the same scope. The pattern precludes returning arrays and functions versus pointers to arrays and functions.
[51b7345]	3574
	3575	function_declarator:
[4d51835]	3576	function_no_ptr attribute_list_opt
[1db21619]	3577	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3578	\| function_ptr
	3579	\| function_array attribute_list_opt
[1db21619]	3580	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3581	;
[51b7345]	3582
	3583	function_no_ptr:
[647e2ea]	3584	paren_identifier '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3585	{ $$ = $1->addParamList( $3 ); }
[647e2ea]	3586	\| '(' function_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3587	{ $$ = $2->addParamList( $5 ); }
[647e2ea]	3588	\| '(' attribute_list function_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3589	{ $$ = $3->addQualifiers( $2 )->addParamList( $6 ); }
[4d51835]	3590	\| '(' function_no_ptr ')' // redundant parenthesis
	3591	{ $$ = $2; }
[5e25953]	3592	\| '(' attribute_list function_no_ptr ')' // redundant parenthesis
	3593	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3594	;
[51b7345]	3595
	3596	function_ptr:
[dd51906]	3597	ptrref_operator function_declarator
[a5f9444]	3598	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	3599	\| ptrref_operator type_qualifier_list function_declarator
[ce8c12f]	3600	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	3601	\| '(' function_ptr ')' attribute_list_opt
	3602	{ $$ = $2->addQualifiers( $4 ); }
	3603	\| '(' attribute_list function_ptr ')' attribute_list_opt
	3604	{ $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
[4d51835]	3605	;
[51b7345]	3606
	3607	function_array:
[4d51835]	3608	'(' function_ptr ')' array_dimension
	3609	{ $$ = $2->addArray( $4 ); }
[5e25953]	3610	\| '(' attribute_list function_ptr ')' array_dimension
	3611	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[4d51835]	3612	\| '(' function_array ')' multi_array_dimension // redundant parenthesis
	3613	{ $$ = $2->addArray( $4 ); }
[5e25953]	3614	\| '(' attribute_list function_array ')' multi_array_dimension // redundant parenthesis
	3615	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[4d51835]	3616	\| '(' function_array ')' // redundant parenthesis
	3617	{ $$ = $2; }
[5e25953]	3618	\| '(' attribute_list function_array ')' // redundant parenthesis
	3619	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3620	;
[51b7345]	3621
[c0aa336]	3622	// This pattern parses an old-style K&R function declarator (OBSOLESCENT, see 4)
	3623	//
	3624	// f( a, b, c ) int a, *b, c[]; {}
	3625	//
	3626	// that is not redefining a typedef name (see function_declarator for additional comments). The pattern precludes
	3627	// returning arrays and functions versus pointers to arrays and functions.
[51b7345]	3628
[c0aa336]	3629	KR_function_declarator:
	3630	KR_function_no_ptr
	3631	\| KR_function_ptr
	3632	\| KR_function_array
[4d51835]	3633	;
[51b7345]	3634
[c0aa336]	3635	KR_function_no_ptr:
[4d51835]	3636	paren_identifier '(' identifier_list ')' // function_declarator handles empty parameter
	3637	{ $$ = $1->addIdList( $3 ); }
[647e2ea]	3638	\| '(' KR_function_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3639	{ $$ = $2->addParamList( $5 ); }
[647e2ea]	3640	\| '(' attribute_list KR_function_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3641	{ $$ = $3->addQualifiers( $2 )->addParamList( $6 ); }
[c0aa336]	3642	\| '(' KR_function_no_ptr ')' // redundant parenthesis
[4d51835]	3643	{ $$ = $2; }
[5e25953]	3644	\| '(' attribute_list KR_function_no_ptr ')' // redundant parenthesis
	3645	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3646	;
[51b7345]	3647
[c0aa336]	3648	KR_function_ptr:
	3649	ptrref_operator KR_function_declarator
[a5f9444]	3650	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c0aa336]	3651	\| ptrref_operator type_qualifier_list KR_function_declarator
[ce8c12f]	3652	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	3653	\| '(' KR_function_ptr ')'
[4d51835]	3654	{ $$ = $2; }
[5e25953]	3655	\| '(' attribute_list KR_function_ptr ')'
	3656	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3657	;
[51b7345]	3658
[c0aa336]	3659	KR_function_array:
	3660	'(' KR_function_ptr ')' array_dimension
[4d51835]	3661	{ $$ = $2->addArray( $4 ); }
[5e25953]	3662	\| '(' attribute_list KR_function_ptr ')' array_dimension
	3663	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[c0aa336]	3664	\| '(' KR_function_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	3665	{ $$ = $2->addArray( $4 ); }
[5e25953]	3666	\| '(' attribute_list KR_function_array ')' multi_array_dimension // redundant parenthesis
	3667	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[c0aa336]	3668	\| '(' KR_function_array ')' // redundant parenthesis
[4d51835]	3669	{ $$ = $2; }
[5e25953]	3670	\| '(' attribute_list KR_function_array ')' // redundant parenthesis
	3671	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3672	;
[51b7345]	3673
[1f771fc]	3674	// This pattern parses a declaration for a variable that redefines a type name, e.g.:
[c11e31c]	3675	//
[b87a5ed]	3676	// typedef int foo;
	3677	// {
	3678	// int foo; // redefine typedef name in new scope
	3679	// }
[51b7345]	3680
[2871210]	3681	paren_type:
[f9c3100]	3682	typedef_name
[c4f68dc]	3683	{
[f9c3100]	3684	// hide type name in enclosing scope by variable name
[71a422a]	3685	typedefTable.addToEnclosingScope( *$1->name, IDENTIFIER, "paren_type" );
[c4f68dc]	3686	}
[2871210]	3687	\| '(' paren_type ')'
[4d51835]	3688	{ $$ = $2; }
	3689	;
[51b7345]	3690
[5e25953]	3691	variable_type_redeclarator:
	3692	paren_type attribute_list_opt
	3693	{ $$ = $1->addQualifiers( $2 ); }
[1f771fc]	3694	\| variable_type_ptr
	3695	\| variable_type_array attribute_list_opt
[5e25953]	3696	{ $$ = $1->addQualifiers( $2 ); }
[1f771fc]	3697	\| variable_type_function attribute_list_opt
[5e25953]	3698	{ $$ = $1->addQualifiers( $2 ); }
	3699	;
	3700
[1f771fc]	3701	variable_type_ptr:
[c6b1105]	3702	ptrref_operator variable_type_redeclarator
[a5f9444]	3703	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c6b1105]	3704	\| ptrref_operator type_qualifier_list variable_type_redeclarator
[ce8c12f]	3705	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[1f771fc]	3706	\| '(' variable_type_ptr ')' attribute_list_opt // redundant parenthesis
[5e25953]	3707	{ $$ = $2->addQualifiers( $4 ); }
[1f771fc]	3708	\| '(' attribute_list variable_type_ptr ')' attribute_list_opt // redundant parenthesis
[5e25953]	3709	{ $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
[4d51835]	3710	;
[51b7345]	3711
[1f771fc]	3712	variable_type_array:
[2871210]	3713	paren_type array_dimension
[4d51835]	3714	{ $$ = $1->addArray( $2 ); }
[1f771fc]	3715	\| '(' variable_type_ptr ')' array_dimension
[4d51835]	3716	{ $$ = $2->addArray( $4 ); }
[1f771fc]	3717	\| '(' attribute_list variable_type_ptr ')' array_dimension
[5e25953]	3718	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[1f771fc]	3719	\| '(' variable_type_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	3720	{ $$ = $2->addArray( $4 ); }
[1f771fc]	3721	\| '(' attribute_list variable_type_array ')' multi_array_dimension // redundant parenthesis
[5e25953]	3722	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
[1f771fc]	3723	\| '(' variable_type_array ')' // redundant parenthesis
[4d51835]	3724	{ $$ = $2; }
[1f771fc]	3725	\| '(' attribute_list variable_type_array ')' // redundant parenthesis
[5e25953]	3726	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3727	;
[51b7345]	3728
[1f771fc]	3729	variable_type_function:
[647e2ea]	3730	'(' variable_type_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3731	{ $$ = $2->addParamList( $5 ); }
[647e2ea]	3732	\| '(' attribute_list variable_type_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3733	{ $$ = $3->addQualifiers( $2 )->addParamList( $6 ); }
[1f771fc]	3734	\| '(' variable_type_function ')' // redundant parenthesis
	3735	{ $$ = $2; }
	3736	\| '(' attribute_list variable_type_function ')' // redundant parenthesis
	3737	{ $$ = $3->addQualifiers( $2 ); }
	3738	;
	3739
	3740	// This pattern parses a declaration for a function prototype that redefines a type name. It precludes declaring an
	3741	// array of functions versus a pointer to an array of functions, and returning arrays and functions versus pointers to
	3742	// arrays and functions.
	3743
	3744	function_type_redeclarator:
	3745	function_type_no_ptr attribute_list_opt
	3746	{ $$ = $1->addQualifiers( $2 ); }
	3747	\| function_type_ptr
	3748	\| function_type_array attribute_list_opt
	3749	{ $$ = $1->addQualifiers( $2 ); }
	3750	;
	3751
	3752	function_type_no_ptr:
[647e2ea]	3753	paren_type '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3754	{ $$ = $1->addParamList( $3 ); }
[647e2ea]	3755	\| '(' function_type_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3756	{ $$ = $2->addParamList( $5 ); }
[647e2ea]	3757	\| '(' attribute_list function_type_ptr ')' '(' parameter_list_ellipsis_opt ')'
[71a422a]	3758	{ $$ = $3->addQualifiers( $2 )->addParamList( $6 ); }
[1f771fc]	3759	\| '(' function_type_no_ptr ')' // redundant parenthesis
[4d51835]	3760	{ $$ = $2; }
[1f771fc]	3761	\| '(' attribute_list function_type_no_ptr ')' // redundant parenthesis
	3762	{ $$ = $3->addQualifiers( $2 ); }
	3763	;
	3764
	3765	function_type_ptr:
	3766	ptrref_operator function_type_redeclarator
	3767	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
	3768	\| ptrref_operator type_qualifier_list function_type_redeclarator
	3769	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
	3770	\| '(' function_type_ptr ')' attribute_list_opt
	3771	{ $$ = $2->addQualifiers( $4 ); }
	3772	\| '(' attribute_list function_type_ptr ')' attribute_list_opt
	3773	{ $$ = $3->addQualifiers( $2 )->addQualifiers( $5 ); }
	3774	;
	3775
	3776	function_type_array:
	3777	'(' function_type_ptr ')' array_dimension
	3778	{ $$ = $2->addArray( $4 ); }
	3779	\| '(' attribute_list function_type_ptr ')' array_dimension
	3780	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
	3781	\| '(' function_type_array ')' multi_array_dimension // redundant parenthesis
	3782	{ $$ = $2->addArray( $4 ); }
	3783	\| '(' attribute_list function_type_array ')' multi_array_dimension // redundant parenthesis
	3784	{ $$ = $3->addQualifiers( $2 )->addArray( $5 ); }
	3785	\| '(' function_type_array ')' // redundant parenthesis
[4d51835]	3786	{ $$ = $2; }
[1f771fc]	3787	\| '(' attribute_list function_type_array ')' // redundant parenthesis
[5e25953]	3788	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	3789	;
[51b7345]	3790
[c0aa336]	3791	// This pattern parses a declaration for a parameter variable of a function prototype or actual that is not redefining a
	3792	// typedef name and allows the C99 array options, which can only appear in a parameter list. The pattern precludes
	3793	// declaring an array of functions versus a pointer to an array of functions, and returning arrays and functions versus
	3794	// pointers to arrays and functions.
[51b7345]	3795
	3796	identifier_parameter_declarator:
[4d51835]	3797	paren_identifier attribute_list_opt
[1db21619]	3798	{ $$ = $1->addQualifiers( $2 ); }
[b6b3c42]	3799	\| '&' MUTEX paren_identifier attribute_list_opt
[6cef439]	3800	{ $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newFromTypeData( build_type_qualifier( ast::CV::Mutex ) ),
[647e2ea]	3801	OperKinds::AddressOf ) )->addQualifiers( $4 ); }
[4d51835]	3802	\| identifier_parameter_ptr
	3803	\| identifier_parameter_array attribute_list_opt
[1db21619]	3804	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3805	\| identifier_parameter_function attribute_list_opt
[1db21619]	3806	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3807	;
[51b7345]	3808
	3809	identifier_parameter_ptr:
[dd51906]	3810	ptrref_operator identifier_parameter_declarator
[a5f9444]	3811	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	3812	\| ptrref_operator type_qualifier_list identifier_parameter_declarator
[ce8c12f]	3813	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	3814	\| '(' identifier_parameter_ptr ')' attribute_list_opt // redundant parenthesis
[c0aa336]	3815	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	3816	;
[51b7345]	3817
	3818	identifier_parameter_array:
[4d51835]	3819	paren_identifier array_parameter_dimension
	3820	{ $$ = $1->addArray( $2 ); }
	3821	\| '(' identifier_parameter_ptr ')' array_dimension
	3822	{ $$ = $2->addArray( $4 ); }
	3823	\| '(' identifier_parameter_array ')' multi_array_dimension // redundant parenthesis
	3824	{ $$ = $2->addArray( $4 ); }
	3825	\| '(' identifier_parameter_array ')' // redundant parenthesis
	3826	{ $$ = $2; }
	3827	;
[51b7345]	3828
	3829	identifier_parameter_function:
[647e2ea]	3830	paren_identifier '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3831	{ $$ = $1->addParamList( $3 ); }
[647e2ea]	3832	\| '(' identifier_parameter_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3833	{ $$ = $2->addParamList( $5 ); }
[4d51835]	3834	\| '(' identifier_parameter_function ')' // redundant parenthesis
	3835	{ $$ = $2; }
	3836	;
[b87a5ed]	3837
[de62360d]	3838	// This pattern parses a declaration for a parameter variable or function prototype that is redefining a typedef name,
	3839	// e.g.:
[c11e31c]	3840	//
[b87a5ed]	3841	// typedef int foo;
[114014c]	3842	// forall( otype T ) struct foo;
[b87a5ed]	3843	// int f( int foo ); // redefine typedef name in new scope
[c11e31c]	3844	//
[c0aa336]	3845	// and allows the C99 array options, which can only appear in a parameter list.
[51b7345]	3846
[2871210]	3847	type_parameter_redeclarator:
[f9c3100]	3848	typedef_name attribute_list_opt
[1db21619]	3849	{ $$ = $1->addQualifiers( $2 ); }
[f9c3100]	3850	\| '&' MUTEX typedef_name attribute_list_opt
[6cef439]	3851	{ $$ = $3->addPointer( DeclarationNode::newPointer( DeclarationNode::newFromTypeData( build_type_qualifier( ast::CV::Mutex ) ),
[647e2ea]	3852	OperKinds::AddressOf ) )->addQualifiers( $4 ); }
[2871210]	3853	\| type_parameter_ptr
	3854	\| type_parameter_array attribute_list_opt
[1db21619]	3855	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	3856	\| type_parameter_function attribute_list_opt
[1db21619]	3857	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3858	;
[51b7345]	3859
[f9c3100]	3860	typedef_name:
[4d51835]	3861	TYPEDEFname
[7fdb94e]	3862	{ $$ = DeclarationNode::newName( $1 ); }
[2871210]	3863	\| TYPEGENname
[7fdb94e]	3864	{ $$ = DeclarationNode::newName( $1 ); }
[4d51835]	3865	;
[51b7345]	3866
[2871210]	3867	type_parameter_ptr:
[dd51906]	3868	ptrref_operator type_parameter_redeclarator
[a5f9444]	3869	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	3870	\| ptrref_operator type_qualifier_list type_parameter_redeclarator
[ce8c12f]	3871	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	3872	\| '(' type_parameter_ptr ')' attribute_list_opt // redundant parenthesis
[c0aa336]	3873	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	3874	;
[51b7345]	3875
[2871210]	3876	type_parameter_array:
[f9c3100]	3877	typedef_name array_parameter_dimension
[4d51835]	3878	{ $$ = $1->addArray( $2 ); }
[2871210]	3879	\| '(' type_parameter_ptr ')' array_parameter_dimension
[4d51835]	3880	{ $$ = $2->addArray( $4 ); }
	3881	;
[51b7345]	3882
[2871210]	3883	type_parameter_function:
[7e13b11]	3884	typedef_name '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3885	{ $$ = $1->addParamList( $3 ); }
[647e2ea]	3886	\| '(' type_parameter_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3887	{ $$ = $2->addParamList( $5 ); }
[4d51835]	3888	;
[b87a5ed]	3889
[de62360d]	3890	// This pattern parses a declaration of an abstract variable or function prototype, i.e., there is no identifier to
	3891	// which the type applies, e.g.:
[c11e31c]	3892	//
[b87a5ed]	3893	// sizeof( int );
[c0aa336]	3894	// sizeof( int * );
[b87a5ed]	3895	// sizeof( int [10] );
[c0aa336]	3896	// sizeof( int (*)() );
	3897	// sizeof( int () );
[c11e31c]	3898	//
[de62360d]	3899	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
	3900	// and functions versus pointers to arrays and functions.
[51b7345]	3901
	3902	abstract_declarator:
[4d51835]	3903	abstract_ptr
	3904	\| abstract_array attribute_list_opt
[1db21619]	3905	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3906	\| abstract_function attribute_list_opt
[1db21619]	3907	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	3908	;
[51b7345]	3909
	3910	abstract_ptr:
[dd51906]	3911	ptrref_operator
[a5f9444]	3912	{ $$ = DeclarationNode::newPointer( nullptr, $1 ); }
[dd51906]	3913	\| ptrref_operator type_qualifier_list
[ce8c12f]	3914	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	3915	\| ptrref_operator abstract_declarator
[a5f9444]	3916	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	3917	\| ptrref_operator type_qualifier_list abstract_declarator
[ce8c12f]	3918	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[c0aa336]	3919	\| '(' abstract_ptr ')' attribute_list_opt
	3920	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	3921	;
[51b7345]	3922
	3923	abstract_array:
[4d51835]	3924	array_dimension
	3925	\| '(' abstract_ptr ')' array_dimension
	3926	{ $$ = $2->addArray( $4 ); }
	3927	\| '(' abstract_array ')' multi_array_dimension // redundant parenthesis
	3928	{ $$ = $2->addArray( $4 ); }
	3929	\| '(' abstract_array ')' // redundant parenthesis
	3930	{ $$ = $2; }
	3931	;
[51b7345]	3932
	3933	abstract_function:
[7e13b11]	3934	'(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3935	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $2, nullptr ); }
[647e2ea]	3936	\| '(' abstract_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	3937	{ $$ = $2->addParamList( $5 ); }
[4d51835]	3938	\| '(' abstract_function ')' // redundant parenthesis
	3939	{ $$ = $2; }
	3940	;
[51b7345]	3941
	3942	array_dimension:
[4d51835]	3943	// Only the first dimension can be empty.
[2871210]	3944	'[' ']'
[a5f9444]	3945	{ $$ = DeclarationNode::newArray( nullptr, nullptr, false ); }
[2871210]	3946	\| '[' ']' multi_array_dimension
[a5f9444]	3947	{ $$ = DeclarationNode::newArray( nullptr, nullptr, false )->addArray( $3 ); }
[910e1d0]	3948	// Cannot use constant_expression because of tuples => semantic check
[d41735a]	3949	\| '[' push assignment_expression pop ',' comma_expression ']' // CFA
[a5f9444]	3950	{ $$ = DeclarationNode::newArray( $3, nullptr, false )->addArray( DeclarationNode::newArray( $6, nullptr, false ) ); }
[6a99803]	3951	// { SemanticError( yylloc, "New array dimension is currently unimplemented." ); $$ = nullptr; }
[647e2ea]	3952
	3953	// If needed, the following parses and does not use comma_expression, so the array structure can be built.
	3954	// \| '[' push assignment_expression pop ',' push array_dimension_list pop ']' // CFA
	3955
[d41735a]	3956	\| '[' push array_type_list pop ']' // CFA
[0b0a285]	3957	{ $$ = DeclarationNode::newArray( $3, nullptr, false ); }
[4d51835]	3958	\| multi_array_dimension
	3959	;
[51b7345]	3960
[647e2ea]	3961	// array_dimension_list:
	3962	// assignment_expression
	3963	// \| array_dimension_list ',' assignment_expression
	3964	// ;
	3965
[d41735a]	3966	array_type_list:
	3967	basic_type_name
[bb7422a]	3968	{ $$ = new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $1 ) ) ); }
[d41735a]	3969	\| type_name
[bb7422a]	3970	{ $$ = new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $1 ) ) ); }
[d41735a]	3971	\| assignment_expression upupeq assignment_expression
	3972	\| array_type_list ',' basic_type_name
[b93c544]	3973	{ $$ = $1->set_last( new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $3 ) ) ) ); }
[bb7422a]	3974	\| array_type_list ',' type_name
[b93c544]	3975	{ $$ = $1->set_last( new ExpressionNode( new ast::TypeExpr( yylloc, maybeMoveBuildType( $3 ) ) ) ); }
[d41735a]	3976	\| array_type_list ',' assignment_expression upupeq assignment_expression
	3977	;
	3978
	3979	upupeq:
	3980	'~'
	3981	{ $$ = OperKinds::LThan; }
	3982	\| ErangeUpEq
	3983	{ $$ = OperKinds::LEThan; }
[9fd9d015]	3984	;
[d41735a]	3985
[51b7345]	3986	multi_array_dimension:
[c0a33d2]	3987	'[' push assignment_expression pop ']'
[a5f9444]	3988	{ $$ = DeclarationNode::newArray( $3, nullptr, false ); }
[c0a33d2]	3989	\| '[' push '*' pop ']' // C99
[4d51835]	3990	{ $$ = DeclarationNode::newVarArray( 0 ); }
[c0a33d2]	3991	\| multi_array_dimension '[' push assignment_expression pop ']'
[a5f9444]	3992	{ $$ = $1->addArray( DeclarationNode::newArray( $4, nullptr, false ) ); }
[c0a33d2]	3993	\| multi_array_dimension '[' push '*' pop ']' // C99
[4d51835]	3994	{ $$ = $1->addArray( DeclarationNode::newVarArray( 0 ) ); }
	3995	;
[51b7345]	3996
[c11e31c]	3997	// This pattern parses a declaration of a parameter abstract variable or function prototype, i.e., there is no
	3998	// identifier to which the type applies, e.g.:
	3999	//
[c0aa336]	4000	// int f( int ); // not handled here
	4001	// int f( int * ); // abstract function-prototype parameter; no parameter name specified
	4002	// int f( int (*)() ); // abstract function-prototype parameter; no parameter name specified
[b87a5ed]	4003	// int f( int (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	4004	//
[de62360d]	4005	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
[c0aa336]	4006	// and functions versus pointers to arrays and functions. In addition, the pattern handles the
	4007	// special meaning of parenthesis around a typedef name:
	4008	//
	4009	// ISO/IEC 9899:1999 Section 6.7.5.3(11) : "In a parameter declaration, a single typedef name in
	4010	// parentheses is taken to be an abstract declarator that specifies a function with a single parameter,
	4011	// not as redundant parentheses around the identifier."
	4012	//
	4013	// For example:
	4014	//
	4015	// typedef float T;
	4016	// int f( int ( T [5] ) ); // see abstract_parameter_declarator
	4017	// int g( int ( T ( int ) ) ); // see abstract_parameter_declarator
	4018	// int f( int f1( T a[5] ) ); // see identifier_parameter_declarator
	4019	// int g( int g1( T g2( int p ) ) ); // see identifier_parameter_declarator
	4020	//
	4021	// In essence, a '(' immediately to the left of typedef name, T, is interpreted as starting a parameter type list, and
	4022	// not as redundant parentheses around a redeclaration of T. Finally, the pattern also precludes declaring an array of
	4023	// functions versus a pointer to an array of functions, and returning arrays and functions versus pointers to arrays and
	4024	// functions.
[51b7345]	4025
[59c7e3e]	4026	abstract_parameter_declarator_opt:
	4027	// empty
	4028	{ $$ = nullptr; }
	4029	\| abstract_parameter_declarator
	4030	;
	4031
[51b7345]	4032	abstract_parameter_declarator:
[4d51835]	4033	abstract_parameter_ptr
[b6b3c42]	4034	\| '&' MUTEX attribute_list_opt
[446740a]	4035	{ $$ = DeclarationNode::newPointer( DeclarationNode::newFromTypeData( build_type_qualifier( ast::CV::Mutex ) ),
	4036	OperKinds::AddressOf )->addQualifiers( $3 ); }
[4d51835]	4037	\| abstract_parameter_array attribute_list_opt
[1db21619]	4038	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	4039	\| abstract_parameter_function attribute_list_opt
[1db21619]	4040	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	4041	;
[51b7345]	4042
	4043	abstract_parameter_ptr:
[dd51906]	4044	ptrref_operator
[ce8c12f]	4045	{ $$ = DeclarationNode::newPointer( nullptr, $1 ); }
[dd51906]	4046	\| ptrref_operator type_qualifier_list
[ce8c12f]	4047	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	4048	\| ptrref_operator abstract_parameter_declarator
[ce8c12f]	4049	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	4050	\| ptrref_operator type_qualifier_list abstract_parameter_declarator
[ce8c12f]	4051	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	4052	\| '(' abstract_parameter_ptr ')' attribute_list_opt // redundant parenthesis
[c0aa336]	4053	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	4054	;
[51b7345]	4055
	4056	abstract_parameter_array:
[4d51835]	4057	array_parameter_dimension
	4058	\| '(' abstract_parameter_ptr ')' array_parameter_dimension
	4059	{ $$ = $2->addArray( $4 ); }
	4060	\| '(' abstract_parameter_array ')' multi_array_dimension // redundant parenthesis
	4061	{ $$ = $2->addArray( $4 ); }
	4062	\| '(' abstract_parameter_array ')' // redundant parenthesis
	4063	{ $$ = $2; }
	4064	;
[51b7345]	4065
	4066	abstract_parameter_function:
[7e13b11]	4067	'(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	4068	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $2, nullptr ); }
[647e2ea]	4069	\| '(' abstract_parameter_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	4070	{ $$ = $2->addParamList( $5 ); }
[4d51835]	4071	\| '(' abstract_parameter_function ')' // redundant parenthesis
	4072	{ $$ = $2; }
	4073	;
[51b7345]	4074
	4075	array_parameter_dimension:
[4d51835]	4076	// Only the first dimension can be empty or have qualifiers.
	4077	array_parameter_1st_dimension
	4078	\| array_parameter_1st_dimension multi_array_dimension
	4079	{ $$ = $1->addArray( $2 ); }
	4080	\| multi_array_dimension
	4081	;
[51b7345]	4082
[c11e31c]	4083	// The declaration of an array parameter has additional syntax over arrays in normal variable declarations:
	4084	//
[de62360d]	4085	// ISO/IEC 9899:1999 Section 6.7.5.2(1) : "The optional type qualifiers and the keyword static shall appear only in
	4086	// a declaration of a function parameter with an array type, and then only in the outermost array type derivation."
[51b7345]	4087
	4088	array_parameter_1st_dimension:
[2871210]	4089	'[' ']'
[a5f9444]	4090	{ $$ = DeclarationNode::newArray( nullptr, nullptr, false ); }
[13e8427]	4091	// multi_array_dimension handles the '[' '*' ']' case
[c0a33d2]	4092	\| '[' push type_qualifier_list '*' pop ']' // remaining C99
	4093	{ $$ = DeclarationNode::newVarArray( $3 ); }
	4094	\| '[' push type_qualifier_list pop ']'
[a5f9444]	4095	{ $$ = DeclarationNode::newArray( nullptr, $3, false ); }
[13e8427]	4096	// multi_array_dimension handles the '[' assignment_expression ']' case
[c0a33d2]	4097	\| '[' push type_qualifier_list assignment_expression pop ']'
	4098	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	4099	\| '[' push STATIC type_qualifier_list_opt assignment_expression pop ']'
	4100	{ $$ = DeclarationNode::newArray( $5, $4, true ); }
	4101	\| '[' push type_qualifier_list STATIC assignment_expression pop ']'
	4102	{ $$ = DeclarationNode::newArray( $5, $3, true ); }
[4d51835]	4103	;
[b87a5ed]	4104
[c0aa336]	4105	// This pattern parses a declaration of an abstract variable, but does not allow "int ()" for a function pointer.
[c11e31c]	4106	//
[71a422a]	4107	// struct S {
	4108	// int;
	4109	// int *;
	4110	// int [10];
	4111	// int (*)();
	4112	// };
[51b7345]	4113
	4114	variable_abstract_declarator:
[4d51835]	4115	variable_abstract_ptr
	4116	\| variable_abstract_array attribute_list_opt
[1db21619]	4117	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	4118	\| variable_abstract_function attribute_list_opt
[1db21619]	4119	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	4120	;
[51b7345]	4121
	4122	variable_abstract_ptr:
[dd51906]	4123	ptrref_operator
[a5f9444]	4124	{ $$ = DeclarationNode::newPointer( nullptr, $1 ); }
[dd51906]	4125	\| ptrref_operator type_qualifier_list
[ce8c12f]	4126	{ $$ = DeclarationNode::newPointer( $2, $1 ); }
[dd51906]	4127	\| ptrref_operator variable_abstract_declarator
[a5f9444]	4128	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	4129	\| ptrref_operator type_qualifier_list variable_abstract_declarator
[ce8c12f]	4130	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2, $1 ) ); }
[5e25953]	4131	\| '(' variable_abstract_ptr ')' attribute_list_opt // redundant parenthesis
[c0aa336]	4132	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	4133	;
[51b7345]	4134
	4135	variable_abstract_array:
[4d51835]	4136	array_dimension
	4137	\| '(' variable_abstract_ptr ')' array_dimension
	4138	{ $$ = $2->addArray( $4 ); }
	4139	\| '(' variable_abstract_array ')' multi_array_dimension // redundant parenthesis
	4140	{ $$ = $2->addArray( $4 ); }
	4141	\| '(' variable_abstract_array ')' // redundant parenthesis
	4142	{ $$ = $2; }
	4143	;
[51b7345]	4144
	4145	variable_abstract_function:
[647e2ea]	4146	'(' variable_abstract_ptr ')' '(' parameter_list_ellipsis_opt ')' // empty parameter list OBSOLESCENT (see 3)
[71a422a]	4147	{ $$ = $2->addParamList( $5 ); }
[4d51835]	4148	\| '(' variable_abstract_function ')' // redundant parenthesis
	4149	{ $$ = $2; }
	4150	;
[b87a5ed]	4151
[de62360d]	4152	// This pattern parses a new-style declaration for a parameter variable or function prototype that is either an
	4153	// identifier or typedef name and allows the C99 array options, which can only appear in a parameter list.
[b87a5ed]	4154
[c0aa336]	4155	cfa_identifier_parameter_declarator_tuple: // CFA
	4156	cfa_identifier_parameter_declarator_no_tuple
	4157	\| cfa_abstract_tuple
	4158	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	4159	{ $$ = $2->addQualifiers( $1 ); }
	4160	;
[b87a5ed]	4161
[c0aa336]	4162	cfa_identifier_parameter_declarator_no_tuple: // CFA
	4163	cfa_identifier_parameter_ptr
	4164	\| cfa_identifier_parameter_array
[4d51835]	4165	;
[b87a5ed]	4166
[c0aa336]	4167	cfa_identifier_parameter_ptr: // CFA
[d0ffed1]	4168	// No SUE declaration in parameter list.
	4169	ptrref_operator type_specifier_nobody
[a5f9444]	4170	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[d0ffed1]	4171	\| type_qualifier_list ptrref_operator type_specifier_nobody
[ce8c12f]	4172	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	4173	\| ptrref_operator cfa_abstract_function
[a5f9444]	4174	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c0aa336]	4175	\| type_qualifier_list ptrref_operator cfa_abstract_function
[ce8c12f]	4176	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	4177	\| ptrref_operator cfa_identifier_parameter_declarator_tuple
[a5f9444]	4178	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c0aa336]	4179	\| type_qualifier_list ptrref_operator cfa_identifier_parameter_declarator_tuple
[ce8c12f]	4180	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[4d51835]	4181	;
[b87a5ed]	4182
[c0aa336]	4183	cfa_identifier_parameter_array: // CFA
[de62360d]	4184	// Only the first dimension can be empty or have qualifiers. Empty dimension must be factored out due to
	4185	// shift/reduce conflict with new-style empty (void) function return type.
[d0ffed1]	4186	'[' ']' type_specifier_nobody
[a5f9444]	4187	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[d0ffed1]	4188	\| cfa_array_parameter_1st_dimension type_specifier_nobody
[4d51835]	4189	{ $$ = $2->addNewArray( $1 ); }
[d0ffed1]	4190	\| '[' ']' multi_array_dimension type_specifier_nobody
[a5f9444]	4191	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[d0ffed1]	4192	\| cfa_array_parameter_1st_dimension multi_array_dimension type_specifier_nobody
[4d51835]	4193	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[d0ffed1]	4194	\| multi_array_dimension type_specifier_nobody
[4d51835]	4195	{ $$ = $2->addNewArray( $1 ); }
[9059213]	4196
[c0aa336]	4197	\| '[' ']' cfa_identifier_parameter_ptr
[a5f9444]	4198	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	4199	\| cfa_array_parameter_1st_dimension cfa_identifier_parameter_ptr
[4d51835]	4200	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	4201	\| '[' ']' multi_array_dimension cfa_identifier_parameter_ptr
[a5f9444]	4202	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	4203	\| cfa_array_parameter_1st_dimension multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	4204	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[c0aa336]	4205	\| multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	4206	{ $$ = $2->addNewArray( $1 ); }
	4207	;
[51b7345]	4208
[c0aa336]	4209	cfa_array_parameter_1st_dimension:
[c0a33d2]	4210	'[' push type_qualifier_list '*' pop ']' // remaining C99
	4211	{ $$ = DeclarationNode::newVarArray( $3 ); }
	4212	\| '[' push type_qualifier_list assignment_expression pop ']'
	4213	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	4214	\| '[' push declaration_qualifier_list assignment_expression pop ']'
[4d51835]	4215	// declaration_qualifier_list must be used because of shift/reduce conflict with
	4216	// assignment_expression, so a semantic check is necessary to preclude them as a type_qualifier cannot
	4217	// appear in this context.
[c0a33d2]	4218	{ $$ = DeclarationNode::newArray( $4, $3, true ); }
	4219	\| '[' push declaration_qualifier_list type_qualifier_list assignment_expression pop ']'
	4220	{ $$ = DeclarationNode::newArray( $5, $4->addQualifiers( $3 ), true ); }
[4d51835]	4221	;
[b87a5ed]	4222
[de62360d]	4223	// This pattern parses a new-style declaration of an abstract variable or function prototype, i.e., there is no
	4224	// identifier to which the type applies, e.g.:
[c11e31c]	4225	//
[b87a5ed]	4226	// [int] f( int ); // abstract variable parameter; no parameter name specified
	4227	// [int] f( [int] (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	4228	//
	4229	// These rules need LR(3):
	4230	//
[c0aa336]	4231	// cfa_abstract_tuple identifier_or_type_name
[647e2ea]	4232	// '[' cfa_parameter_list ']' identifier_or_type_name '(' cfa_parameter_list_ellipsis_opt ')'
[c11e31c]	4233	//
	4234	// since a function return type can be syntactically identical to a tuple type:
	4235	//
[b87a5ed]	4236	// [int, int] t;
	4237	// [int, int] f( int );
[c11e31c]	4238	//
[2871210]	4239	// Therefore, it is necessary to look at the token after identifier_or_type_name to know when to reduce
[c0aa336]	4240	// cfa_abstract_tuple. To make this LR(1), several rules have to be flattened (lengthened) to allow the necessary
	4241	// lookahead. To accomplish this, cfa_abstract_declarator has an entry point without tuple, and tuple declarations are
	4242	// duplicated when appearing with cfa_function_specifier.
[b87a5ed]	4243
[c0aa336]	4244	cfa_abstract_declarator_tuple: // CFA
	4245	cfa_abstract_tuple
	4246	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	4247	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	4248	\| cfa_abstract_declarator_no_tuple
[4d51835]	4249	;
[b87a5ed]	4250
[c0aa336]	4251	cfa_abstract_declarator_no_tuple: // CFA
	4252	cfa_abstract_ptr
	4253	\| cfa_abstract_array
[4d51835]	4254	;
[b87a5ed]	4255
[c0aa336]	4256	cfa_abstract_ptr: // CFA
[dd51906]	4257	ptrref_operator type_specifier
[a5f9444]	4258	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[dd51906]	4259	\| type_qualifier_list ptrref_operator type_specifier
[ce8c12f]	4260	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	4261	\| ptrref_operator cfa_abstract_function
[a5f9444]	4262	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c0aa336]	4263	\| type_qualifier_list ptrref_operator cfa_abstract_function
[ce8c12f]	4264	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[c0aa336]	4265	\| ptrref_operator cfa_abstract_declarator_tuple
[a5f9444]	4266	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( nullptr, $1 ) ); }
[c0aa336]	4267	\| type_qualifier_list ptrref_operator cfa_abstract_declarator_tuple
[ce8c12f]	4268	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1, $2 ) ); }
[4d51835]	4269	;
[b87a5ed]	4270
[c0aa336]	4271	cfa_abstract_array: // CFA
[de62360d]	4272	// Only the first dimension can be empty. Empty dimension must be factored out due to shift/reduce conflict with
	4273	// empty (void) function return type.
[2871210]	4274	'[' ']' type_specifier
[2298f728]	4275	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[2871210]	4276	\| '[' ']' multi_array_dimension type_specifier
[2298f728]	4277	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[4d51835]	4278	\| multi_array_dimension type_specifier
	4279	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	4280	\| '[' ']' cfa_abstract_ptr
[2298f728]	4281	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	4282	\| '[' ']' multi_array_dimension cfa_abstract_ptr
[2298f728]	4283	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	4284	\| multi_array_dimension cfa_abstract_ptr
[4d51835]	4285	{ $$ = $2->addNewArray( $1 ); }
	4286	;
[b87a5ed]	4287
[c0aa336]	4288	cfa_abstract_tuple: // CFA
[c0a33d2]	4289	'[' push cfa_abstract_parameter_list pop ']'
	4290	{ $$ = DeclarationNode::newTuple( $3 ); }
[35718a9]	4291	\| '[' push type_specifier_nobody ELLIPSIS pop ']'
[13e8427]	4292	{ SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
[35718a9]	4293	\| '[' push type_specifier_nobody ELLIPSIS constant_expression pop ']'
[13e8427]	4294	{ SemanticError( yylloc, "Tuple array currently unimplemented." ); $$ = nullptr; }
[4d51835]	4295	;
[b87a5ed]	4296
[c0aa336]	4297	cfa_abstract_function: // CFA
[647e2ea]	4298	'[' ']' '(' cfa_parameter_list_ellipsis_opt ')'
	4299	{ $$ = DeclarationNode::newFunction( nullptr, DeclarationNode::newTuple( nullptr ), $4, nullptr ); }
	4300	\| cfa_abstract_tuple '(' push cfa_parameter_list_ellipsis_opt pop ')'
[c0a33d2]	4301	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[647e2ea]	4302	\| cfa_function_return '(' push cfa_parameter_list_ellipsis_opt pop ')'
[c0a33d2]	4303	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[4d51835]	4304	;
[b87a5ed]	4305
[de62360d]	4306	// 1) ISO/IEC 9899:1999 Section 6.7.2(2) : "At least one type specifier shall be given in the declaration specifiers in
	4307	// each declaration, and in the specifier-qualifier list in each structure declaration and type name."
[c11e31c]	4308	//
[de62360d]	4309	// 2) ISO/IEC 9899:1999 Section 6.11.5(1) : "The placement of a storage-class specifier other than at the beginning of
	4310	// the declaration specifiers in a declaration is an obsolescent feature."
[c11e31c]	4311	//
	4312	// 3) ISO/IEC 9899:1999 Section 6.11.6(1) : "The use of function declarators with empty parentheses (not
	4313	// prototype-format parameter type declarators) is an obsolescent feature."
	4314	//
[de62360d]	4315	// 4) ISO/IEC 9899:1999 Section 6.11.7(1) : "The use of function definitions with separate parameter identifier and
	4316	// declaration lists (not prototype-format parameter type and identifier declarators) is an obsolescent feature.
[51b7345]	4317
[e1d66c84]	4318	// ********************** MISCELLANEOUS ******************************
[51b7345]	4319
[b87a5ed]	4320	comma_opt: // redundant comma
[4d51835]	4321	// empty
	4322	\| ','
	4323	;
[51b7345]	4324
[5a51798]	4325	default_initializer_opt:
[4d51835]	4326	// empty
[58dd019]	4327	{ $$ = nullptr; }
[4d51835]	4328	\| '=' assignment_expression
	4329	{ $$ = $2; }
	4330	;
[51b7345]	4331
	4332	%%
[a1c9ddd]	4333
[c11e31c]	4334	// ----end of grammar----
[51b7345]	4335
[c11e31c]	4336	// Local Variables: //
[b87a5ed]	4337	// mode: c++ //
[de62360d]	4338	// tab-width: 4 //
[7e13b11]	4339	// compile-command: "bison -Wcounterexamples parser.yy" //
[c11e31c]	4340	// End: //

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