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parser.yy @ 6d49ea3

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Last change on this file since 6d49ea3 was 6d49ea3, checked in by Peter A. Buhr <pabuhr@…>, 7 years ago
second attempt, add declarations into if conditional
Property mode set to `100644`
File size: 111.9 KB

Rev	Line
[b87a5ed]	1	//
	2	// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
	3	//
	4	// The contents of this file are covered under the licence agreement in the
	5	// file "LICENCE" distributed with Cforall.
	6	//
[9335ecc]	7	// parser.yy --
[974906e2]	8	//
[c11e31c]	9	// Author : Peter A. Buhr
	10	// Created On : Sat Sep 1 20:22:55 2001
[936e9f4]	11	// Last Modified By : Peter A. Buhr
[6d49ea3]	12	// Last Modified On : Thu Aug 17 15:52:12 2017
	13	// Update Count : 2489
[974906e2]	14	//
[c11e31c]	15
[de62360d]	16	// This grammar is based on the ANSI99/11 C grammar, specifically parts of EXPRESSION and STATEMENTS, and on the C
	17	// grammar by James A. Roskind, specifically parts of DECLARATIONS and EXTERNAL DEFINITIONS. While parts have been
	18	// copied, important changes have been made in all sections; these changes are sufficient to constitute a new grammar.
	19	// In particular, this grammar attempts to be more syntactically precise, i.e., it parses less incorrect language syntax
	20	// that must be subsequently rejected by semantic checks. Nevertheless, there are still several semantic checks
	21	// required and many are noted in the grammar. Finally, the grammar is extended with GCC and CFA language extensions.
[c11e31c]	22
[de62360d]	23	// Acknowledgments to Richard Bilson, Glen Ditchfield, and Rodolfo Gabriel Esteves who all helped when I got stuck with
	24	// the grammar.
[c11e31c]	25
	26	// The root language for this grammar is ANSI99/11 C. All of ANSI99/11 is parsed, except for:
	27	//
	28	// 1. designation with '=' (use ':' instead)
	29	//
[de62360d]	30	// Most of the syntactic extensions from ANSI90 to ANSI11 C are marked with the comment "C99/C11". This grammar also has
	31	// two levels of extensions. The first extensions cover most of the GCC C extensions, except for:
[c11e31c]	32	//
[e7aed49]	33	// 1. designation with and without '=' (use ':' instead)
[c0aa336]	34	// 2. attributes not allowed in parenthesis of declarator
[c11e31c]	35	//
[de62360d]	36	// All of the syntactic extensions for GCC C are marked with the comment "GCC". The second extensions are for Cforall
	37	// (CFA), which fixes several of C's outstanding problems and extends C with many modern language concepts. All of the
	38	// syntactic extensions for CFA C are marked with the comment "CFA". As noted above, there is one unreconcileable
	39	// parsing problem between C99 and CFA with respect to designators; this is discussed in detail before the "designation"
	40	// grammar rule.
[51b7345]	41
	42	%{
[b87a5ed]	43	#define YYDEBUG_LEXER_TEXT (yylval) // lexer loads this up each time
	44	#define YYDEBUG 1 // get the pretty debugging code to compile
[51b7345]	45
	46	#undef __GNUC_MINOR__
	47
	48	#include <cstdio>
	49	#include <stack>
	50	#include "ParseNode.h"
[984dce6]	51	#include "TypedefTable.h"
[1db21619]	52	#include "TypeData.h"
[51b7345]	53	#include "LinkageSpec.h"
[2298f728]	54	using namespace std;
[51b7345]	55
[cbaee0d]	56	extern DeclarationNode * parseTree;
[8b7ee09]	57	extern LinkageSpec::Spec linkage;
[0da3e2c]	58	extern TypedefTable typedefTable;
	59
[2298f728]	60	stack< LinkageSpec::Spec > linkageStack;
[7bf7fb9]	61
[2298f728]	62	void appendStr( string to, string from ) {
[7bf7fb9]	63	// "abc" "def" "ghi" => "abcdefghi", remove new text from quotes and insert before last quote in old string.
[ab57786]	64	to->insert( to->length() - 1, from->substr( 1, from->length() - 2 ) );
[7bf7fb9]	65	} // appendStr
[c0aa336]	66
	67	DeclarationNode * distAttr( DeclarationNode * specifier, DeclarationNode * declList ) {
	68	// distribute declaration_specifier across all declared variables, e.g., static, const, __attribute__.
	69	DeclarationNode * cur = declList, * cl = (new DeclarationNode)->addType( specifier );
	70	//cur->addType( specifier );
	71	for ( cur = dynamic_cast< DeclarationNode * >( cur->get_next() ); cur != nullptr; cur = dynamic_cast< DeclarationNode * >( cur->get_next() ) ) {
	72	cl->cloneBaseType( cur );
	73	} // for
	74	declList->addType( cl );
	75	// delete cl;
	76	return declList;
	77	} // distAttr
	78
	79	void distExt( DeclarationNode * declaration ) {
	80	// distribute EXTENSION across all declarations
	81	for ( DeclarationNode iter = declaration; iter != nullptr; iter = (DeclarationNode )iter->get_next() ) {
	82	iter->set_extension( true );
	83	} // for
	84	} // distExt
[fdca7c6]	85
	86	bool forall = false; // aggregate have one or more forall qualifiers ?
[51b7345]	87	%}
	88
[a67b60e]	89	// Types declaration
	90	%union
	91	{
	92	Token tok;
	93	ParseNode * pn;
	94	ExpressionNode * en;
	95	DeclarationNode * decl;
	96	DeclarationNode::Aggregate aggKey;
	97	DeclarationNode::TypeClass tclass;
	98	StatementNode * sn;
	99	ConstantExpr * constant;
[936e9f4]	100	IfCtl * ifctl;
[a67b60e]	101	ForCtl * fctl;
	102	LabelNode * label;
	103	InitializerNode * in;
	104	OperKinds op;
	105	std::string * str;
	106	bool flag;
[307a732]	107	CatchStmt::Kind catch_kind;
[a67b60e]	108	}
	109
[c11e31c]	110	//*********************** TERMINAL TOKENS ******************************
[51b7345]	111
[c11e31c]	112	// keywords
[51b7345]	113	%token TYPEDEF
[a7c90d4]	114	%token EXTERN STATIC AUTO REGISTER
	115	%token THREADLOCAL // C11
	116	%token INLINE FORTRAN // C99, extension ISO/IEC 9899:1999 Section J.5.9(1)
	117	%token NORETURN // C11
[51b7345]	118	%token CONST VOLATILE
[b87a5ed]	119	%token RESTRICT // C99
[a7c90d4]	120	%token ATOMIC // C11
[72457b6]	121	%token FORALL LVALUE MUTEX VIRTUAL // CFA
	122	%token VOID CHAR SHORT INT LONG FLOAT DOUBLE SIGNED UNSIGNED
[b87a5ed]	123	%token BOOL COMPLEX IMAGINARY // C99
[72457b6]	124	%token ZERO_T ONE_T // CFA
	125	%token VALIST // GCC
[b87a5ed]	126	%token TYPEOF LABEL // GCC
[51b7345]	127	%token ENUM STRUCT UNION
[d3bc0ad]	128	%token COROUTINE MONITOR THREAD // CFA
[a7c90d4]	129	%token OTYPE FTYPE DTYPE TTYPE TRAIT // CFA
[5721a6d]	130	%token SIZEOF OFFSETOF
[b87a5ed]	131	%token ATTRIBUTE EXTENSION // GCC
[51b7345]	132	%token IF ELSE SWITCH CASE DEFAULT DO WHILE FOR BREAK CONTINUE GOTO RETURN
[8b47e50]	133	%token CHOOSE DISABLE ENABLE FALLTHRU TRY CATCH CATCHRESUME FINALLY THROW THROWRESUME AT WITH // CFA
[b87a5ed]	134	%token ASM // C99, extension ISO/IEC 9899:1999 Section J.5.10(1)
[a7c90d4]	135	%token ALIGNAS ALIGNOF GENERIC STATICASSERT // C11
[51b7345]	136
[c11e31c]	137	// names and constants: lexer differentiates between identifier and typedef names
[b87a5ed]	138	%token<tok> IDENTIFIER QUOTED_IDENTIFIER TYPEDEFname TYPEGENname
	139	%token<tok> ATTR_IDENTIFIER ATTR_TYPEDEFname ATTR_TYPEGENname
[1b29996]	140	%token<tok> INTEGERconstant CHARACTERconstant STRINGliteral
	141	// Floating point constant is broken into three kinds of tokens because of the ambiguity with tuple indexing and
	142	// overloading constants 0/1, e.g., x.1 is lexed as (x)(.1), where (.1) is a factional constant, but is semantically
	143	// converted into the tuple index (.)(1). e.g., 3.x
	144	%token<tok> REALDECIMALconstant REALFRACTIONconstant FLOATINGconstant
[51b7345]	145
[c11e31c]	146	// multi-character operators
[b87a5ed]	147	%token ARROW // ->
	148	%token ICR DECR // ++ --
	149	%token LS RS // << >>
	150	%token LE GE EQ NE // <= >= == !=
	151	%token ANDAND OROR // && \|\|
	152	%token ELLIPSIS // ...
	153
[e5f2a67]	154	%token EXPassign MULTassign DIVassign MODassign // \= *= /= %=
[b87a5ed]	155	%token PLUSassign MINUSassign // += -=
	156	%token LSassign RSassign // <<= >>=
	157	%token ANDassign ERassign ORassign // &= ^= \|=
[51b7345]	158
[e7aed49]	159	%token ATassign // @=
[097e2b0]	160
[6165ce7]	161	%type<tok> identifier no_attr_identifier
[84d58c5]	162	%type<tok> identifier_or_type_name no_attr_identifier_or_type_name attr_name
[ab57786]	163	%type<constant> string_literal
	164	%type<str> string_literal_list
[51b7345]	165
[c11e31c]	166	// expressions
[d1625f8]	167	%type<en> constant
[b87a5ed]	168	%type<en> tuple tuple_expression_list
[9706554]	169	%type<op> ptrref_operator unary_operator assignment_operator
[b87a5ed]	170	%type<en> primary_expression postfix_expression unary_expression
[994d080]	171	%type<en> cast_expression exponential_expression multiplicative_expression additive_expression
	172	%type<en> shift_expression relational_expression equality_expression
	173	%type<en> AND_expression exclusive_OR_expression inclusive_OR_expression
	174	%type<en> logical_AND_expression logical_OR_expression
	175	%type<en> conditional_expression constant_expression assignment_expression assignment_expression_opt
[b87a5ed]	176	%type<en> comma_expression comma_expression_opt
[994d080]	177	%type<en> argument_expression_list argument_expression default_initialize_opt
[936e9f4]	178	%type<ifctl> if_control_expression
[2f22cc4]	179	%type<fctl> for_control_expression
[51b7345]	180	%type<en> subrange
[c0aa336]	181	%type<decl> asm_name_opt
[7f5566b]	182	%type<en> asm_operands_opt asm_operands_list asm_operand
	183	%type<label> label_list
[d1625f8]	184	%type<en> asm_clobbers_list_opt
[7f5566b]	185	%type<flag> asm_volatile_opt
[cbce272]	186	%type<en> handler_predicate_opt
[51b7345]	187
[c11e31c]	188	// statements
[b87a5ed]	189	%type<sn> labeled_statement compound_statement expression_statement selection_statement
[8b47e50]	190	%type<sn> iteration_statement jump_statement
	191	%type<sn> with_statement exception_statement asm_statement
[b87a5ed]	192	%type<sn> fall_through_opt fall_through
	193	%type<sn> statement statement_list
	194	%type<sn> block_item_list block_item
[8b47e50]	195	%type<sn> with_clause_opt
[8688ce1]	196	%type<en> case_value
[8b47e50]	197	%type<sn> case_clause case_value_list case_label case_label_list
[b87a5ed]	198	%type<sn> switch_clause_list_opt switch_clause_list choose_clause_list_opt choose_clause_list
[cfaabe2c]	199	%type<sn> /* handler_list */ handler_clause finally_clause
[307a732]	200	%type<catch_kind> handler_key
[51b7345]	201
[c11e31c]	202	// declarations
[c0aa336]	203	%type<decl> abstract_declarator abstract_ptr abstract_array abstract_function array_dimension multi_array_dimension
	204	%type<decl> abstract_parameter_declarator abstract_parameter_ptr abstract_parameter_array abstract_parameter_function array_parameter_dimension array_parameter_1st_dimension
	205	%type<decl> abstract_parameter_declaration
[51b7345]	206
	207	%type<aggKey> aggregate_key
[d0ffed1]	208	%type<decl> aggregate_type aggregate_type_nobody
[51b7345]	209
	210	%type<decl> assertion assertion_list_opt
	211
	212	%type<en> bit_subrange_size_opt bit_subrange_size
	213
[84d58c5]	214	%type<decl> basic_declaration_specifier basic_type_name basic_type_specifier direct_type indirect_type
[51b7345]	215
[4040425]	216	%type<decl> trait_declaration trait_declaration_list trait_declaring_list trait_specifier
[51b7345]	217
	218	%type<decl> declaration declaration_list declaration_list_opt declaration_qualifier_list
[d0ffed1]	219	%type<decl> declaration_specifier declaration_specifier_nobody declarator declaring_list
[51b7345]	220
[d0ffed1]	221	%type<decl> elaborated_type elaborated_type_nobody
[51b7345]	222
[d0ffed1]	223	%type<decl> enumerator_list enum_type enum_type_nobody
[51b7345]	224	%type<en> enumerator_value_opt
	225
	226	%type<decl> exception_declaration external_definition external_definition_list external_definition_list_opt
	227
	228	%type<decl> field_declaration field_declaration_list field_declarator field_declaring_list
[8780e30]	229	%type<en> field field_list field_name fraction_constants
[51b7345]	230
[4d51835]	231	%type<decl> external_function_definition function_definition function_array function_declarator function_no_ptr function_ptr
[51b7345]	232
[d3bc0ad]	233	%type<decl> identifier_parameter_declarator identifier_parameter_ptr identifier_parameter_array identifier_parameter_function
	234	%type<decl> identifier_list
[51b7345]	235
[c0aa336]	236	%type<decl> cfa_abstract_array cfa_abstract_declarator_no_tuple cfa_abstract_declarator_tuple
	237	%type<decl> cfa_abstract_function cfa_abstract_parameter_declaration cfa_abstract_parameter_list
	238	%type<decl> cfa_abstract_ptr cfa_abstract_tuple
[51b7345]	239
[c0aa336]	240	%type<decl> cfa_array_parameter_1st_dimension
[51b7345]	241
[c0aa336]	242	%type<decl> cfa_trait_declaring_list cfa_declaration cfa_field_declaring_list
	243	%type<decl> cfa_function_declaration cfa_function_return cfa_function_specifier
[51b7345]	244
[c0aa336]	245	%type<decl> cfa_identifier_parameter_array cfa_identifier_parameter_declarator_no_tuple
	246	%type<decl> cfa_identifier_parameter_declarator_tuple cfa_identifier_parameter_ptr
[51b7345]	247
[c0aa336]	248	%type<decl> cfa_parameter_declaration cfa_parameter_list cfa_parameter_type_list cfa_parameter_type_list_opt
[51b7345]	249
[c0aa336]	250	%type<decl> cfa_typedef_declaration cfa_variable_declaration cfa_variable_specifier
[51b7345]	251
[c0aa336]	252	%type<decl> c_declaration
	253	%type<decl> KR_function_declarator KR_function_no_ptr KR_function_ptr KR_function_array
	254	%type<decl> KR_declaration_list KR_declaration_list_opt
[51b7345]	255
	256	%type<decl> parameter_declaration parameter_list parameter_type_list
	257	%type<decl> parameter_type_list_opt
	258
[2871210]	259	%type<decl> paren_identifier paren_type
[51b7345]	260
[0da3e2c]	261	%type<decl> storage_class storage_class_list
[51b7345]	262
[d0ffed1]	263	%type<decl> sue_declaration_specifier sue_declaration_specifier_nobody sue_type_specifier sue_type_specifier_nobody
[51b7345]	264
	265	%type<tclass> type_class
	266	%type<decl> type_declarator type_declarator_name type_declaring_list
	267
[84d58c5]	268	%type<decl> type_declaration_specifier type_type_specifier type_name typegen_name
	269	%type<decl> typedef typedef_declaration typedef_expression
[c0aa336]	270
	271	%type<decl> variable_type_redeclarator type_ptr type_array type_function
	272
	273	%type<decl> type_parameter_redeclarator type_parameter_ptr type_parameter_array type_parameter_function
[51b7345]	274
[84d58c5]	275	%type<decl> type type_no_function
	276	%type<decl> type_parameter type_parameter_list type_initializer_opt
[51b7345]	277
[84d58c5]	278	%type<en> type_list
[51b7345]	279
[d3bc0ad]	280	%type<decl> type_qualifier type_qualifier_name type_qualifier_list_opt type_qualifier_list
	281	%type<decl> type_specifier type_specifier_nobody
[51b7345]	282
[c0aa336]	283	%type<decl> variable_declarator variable_ptr variable_array variable_function
	284	%type<decl> variable_abstract_declarator variable_abstract_ptr variable_abstract_array variable_abstract_function
[51b7345]	285
[44a81853]	286	%type<decl> attribute_list_opt attribute_list attribute_name_list attribute attribute_name
[1db21619]	287
[c11e31c]	288	// initializers
[51b7345]	289	%type<in> initializer initializer_list initializer_opt
	290
[c11e31c]	291	// designators
[51b7345]	292	%type<en> designator designator_list designation
	293
	294
[b87a5ed]	295	// Handle single shift/reduce conflict for dangling else by shifting the ELSE token. For example, this string
	296	// is ambiguous:
	297	// .---------. matches IF '(' comma_expression ')' statement
[c11e31c]	298	// if ( C ) S1 else S2
[b87a5ed]	299	// `-----------------' matches IF '(' comma_expression ')' statement ELSE statement */
[51b7345]	300
[c11e31c]	301	%nonassoc THEN // rule precedence for IF '(' comma_expression ')' statement
	302	%nonassoc ELSE // token precedence for start of else clause in IF statement
[51b7345]	303
[b87a5ed]	304	%start translation_unit // parse-tree root
[51b7345]	305
	306	%%
[c11e31c]	307	//*********************** Namespace Management ******************************
	308
[de62360d]	309	// The grammar in the ANSI C standard is not strictly context-free, since it relies upon the distinct terminal symbols
	310	// "identifier" and "TYPEDEFname" that are lexically identical. While it is possible to write a purely context-free
	311	// grammar, such a grammar would obscure the relationship between syntactic and semantic constructs. Hence, this
	312	// grammar uses the ANSI style.
[c11e31c]	313	//
[de62360d]	314	// Cforall compounds this problem by introducing type names local to the scope of a declaration (for instance, those
[9059213]	315	// introduced through "forall" qualifiers), and by introducing "type generators" -- parameterized types. This latter
[de62360d]	316	// type name creates a third class of identifiers that must be distinguished by the scanner.
[c11e31c]	317	//
[de62360d]	318	// Since the scanner cannot distinguish among the different classes of identifiers without some context information, it
[9059213]	319	// accesses a data structure (TypedefTable) to allow classification of an identifier that it has just read. Semantic
	320	// actions during the parser update this data structure when the class of identifiers change.
[c11e31c]	321	//
[de62360d]	322	// Because the Cforall language is block-scoped, there is the possibility that an identifier can change its class in a
	323	// local scope; it must revert to its original class at the end of the block. Since type names can be local to a
	324	// particular declaration, each declaration is itself a scope. This requires distinguishing between type names that are
	325	// local to the current declaration scope and those that persist past the end of the declaration (i.e., names defined in
[9059213]	326	// "typedef" or "otype" declarations).
[c11e31c]	327	//
[de62360d]	328	// The non-terminals "push" and "pop" derive the empty string; their only use is to denote the opening and closing of
	329	// scopes. Every push must have a matching pop, although it is regrettable the matching pairs do not always occur
	330	// within the same rule. These non-terminals may appear in more contexts than strictly necessary from a semantic point
	331	// of view. Unfortunately, these extra rules are necessary to prevent parsing conflicts -- the parser may not have
	332	// enough context and look-ahead information to decide whether a new scope is necessary, so the effect of these extra
	333	// rules is to open a new scope unconditionally. As the grammar evolves, it may be neccesary to add or move around
	334	// "push" and "pop" nonterminals to resolve conflicts of this sort.
[51b7345]	335
	336	push:
[ab57786]	337	{ typedefTable.enterScope(); }
[4d51835]	338	;
[51b7345]	339
	340	pop:
[ab57786]	341	{ typedefTable.leaveScope(); }
[4d51835]	342	;
[51b7345]	343
[c11e31c]	344	//*********************** CONSTANTS ******************************
[51b7345]	345
	346	constant:
[de62360d]	347	// ENUMERATIONconstant is not included here; it is treated as a variable with type "enumeration constant".
[ab57786]	348	INTEGERconstant { $$ = new ExpressionNode( build_constantInteger( *$1 ) ); }
[1b29996]	349	\| REALDECIMALconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
	350	\| REALFRACTIONconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
[ab57786]	351	\| FLOATINGconstant { $$ = new ExpressionNode( build_constantFloat( *$1 ) ); }
	352	\| CHARACTERconstant { $$ = new ExpressionNode( build_constantChar( *$1 ) ); }
[4d51835]	353	;
[51b7345]	354
	355	identifier:
[4d51835]	356	IDENTIFIER
	357	\| ATTR_IDENTIFIER // CFA
	358	;
[51b7345]	359
	360	no_attr_identifier:
[4d51835]	361	IDENTIFIER
	362	;
[51b7345]	363
[ab57786]	364	string_literal:
	365	string_literal_list { $$ = build_constantStr( *$1 ); }
	366	;
	367
[b87a5ed]	368	string_literal_list: // juxtaposed strings are concatenated
[ab57786]	369	STRINGliteral { $$ = $1; } // conversion from tok to str
[7bf7fb9]	370	\| string_literal_list STRINGliteral
	371	{
[ab57786]	372	appendStr( $1, $2 ); // append 2nd juxtaposed string to 1st
[7bf7fb9]	373	delete $2; // allocated by lexer
[ab57786]	374	$$ = $1; // conversion from tok to str
[7bf7fb9]	375	}
[4d51835]	376	;
[51b7345]	377
[c11e31c]	378	//*********************** EXPRESSIONS ******************************
[51b7345]	379
	380	primary_expression:
[4d51835]	381	IDENTIFIER // typedef name cannot be used as a variable name
[d1625f8]	382	{ $$ = new ExpressionNode( build_varref( $1 ) ); }
[1b29996]	383	\| tuple
[4d51835]	384	\| '(' comma_expression ')'
	385	{ $$ = $2; }
	386	\| '(' compound_statement ')' // GCC, lambda expression
[1b77274]	387	{ $$ = new ExpressionNode( build_valexpr( $2 ) ); }
[84d58c5]	388	\| primary_expression '{' argument_expression_list '}' // CFA, constructor call
[ecb27a7]	389	{
	390	Token fn;
	391	fn.str = new std::string( "?{}" ); // location undefined - use location of '{'?
	392	$$ = new ExpressionNode( new ConstructorExpr( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $1 )->set_last( $3 ) ) ) );
	393	}
[84d58c5]	394	\| type_name '.' no_attr_identifier // CFA, nested type
	395	{ $$ = nullptr; } // FIX ME
	396	\| type_name '.' '[' push field_list pop ']' // CFA, nested type / tuple field selector
	397	{ $$ = nullptr; } // FIX ME
[4d51835]	398	;
[51b7345]	399
	400	postfix_expression:
[4d51835]	401	primary_expression
	402	\| postfix_expression '[' push assignment_expression pop ']'
[c6b1105]	403	// CFA, comma_expression disallowed in this context because it results in a common user error: subscripting a
[de62360d]	404	// matrix with x[i,j] instead of x[i][j]. While this change is not backwards compatible, there seems to be
	405	// little advantage to this feature and many disadvantages. It is possible to write x[(i,j)] in CFA, which is
	406	// equivalent to the old x[i,j].
[d1625f8]	407	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Index, $1, $4 ) ); }
[4d51835]	408	\| postfix_expression '(' argument_expression_list ')'
[d1625f8]	409	{ $$ = new ExpressionNode( build_func( $1, $3 ) ); }
[4d51835]	410	\| postfix_expression '.' no_attr_identifier
[d1625f8]	411	{ $$ = new ExpressionNode( build_fieldSel( $1, build_varref( $3 ) ) ); }
[4d51835]	412	\| postfix_expression '.' '[' push field_list pop ']' // CFA, tuple field selector
[3b58d91]	413	{ $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $5 ) ) ); }
[1b29996]	414	\| postfix_expression REALFRACTIONconstant // CFA, tuple index
[8780e30]	415	{ $$ = new ExpressionNode( build_fieldSel( $1, build_field_name_REALFRACTIONconstant( *$2 ) ) ); }
[4d51835]	416	\| postfix_expression ARROW no_attr_identifier
[861799c]	417	{
	418	$$ = new ExpressionNode( build_pfieldSel( $1, $3 == "0" \|\| $3 == "1" ? build_constantInteger( *$3 ) : build_varref( $3 ) ) );
	419	}
[4d51835]	420	\| postfix_expression ARROW '[' push field_list pop ']' // CFA, tuple field selector
[3b58d91]	421	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $5 ) ) ); }
[861799c]	422	\| postfix_expression ARROW INTEGERconstant // CFA, tuple index
	423	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_constantInteger( *$3 ) ) ); }
[4d51835]	424	\| postfix_expression ICR
[d1625f8]	425	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::IncrPost, $1 ) ); }
[4d51835]	426	\| postfix_expression DECR
[d1625f8]	427	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::DecrPost, $1 ) ); }
[84d58c5]	428	\| '(' type_no_function ')' '{' initializer_list comma_opt '}' // C99, compound-literal
[d1625f8]	429	{ $$ = new ExpressionNode( build_compoundLiteral( $2, new InitializerNode( $5, true ) ) ); }
[ecb27a7]	430	\| '^' primary_expression '{' argument_expression_list '}' // CFA
[097e2b0]	431	{
[9706554]	432	Token fn;
[ecb27a7]	433	fn.str = new string( "^?{}" ); // location undefined
	434	$$ = new ExpressionNode( build_func( new ExpressionNode( build_varref( fn ) ), (ExpressionNode *)( $2 )->set_last( $4 ) ) );
[097e2b0]	435	}
[4d51835]	436	;
[51b7345]	437
	438	argument_expression_list:
[4d51835]	439	argument_expression
	440	\| argument_expression_list ',' argument_expression
[1d4580a]	441	{ $$ = (ExpressionNode *)( $1->set_last( $3 )); }
[4d51835]	442	;
[51b7345]	443
	444	argument_expression:
[4d51835]	445	// empty
[738e304]	446	{ $$ = nullptr; }
	447	// \| '@' // use default argument
	448	// { $$ = new ExpressionNode( build_constantInteger( *new string( "2" ) ) ); }
[4d51835]	449	\| assignment_expression
	450	;
[b87a5ed]	451
	452	field_list: // CFA, tuple field selector
[4d51835]	453	field
[1d4580a]	454	\| field_list ',' field { $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	455	;
[b87a5ed]	456
	457	field: // CFA, tuple field selector
[faddbd8]	458	field_name
[1b29996]	459	\| REALDECIMALconstant field
[8780e30]	460	{ $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_REALDECIMALconstant( *$1 ) ), maybeMoveBuild<Expression>( $2 ) ) ); }
[1b29996]	461	\| REALDECIMALconstant '[' push field_list pop ']'
[8780e30]	462	{ $$ = new ExpressionNode( build_fieldSel( new ExpressionNode( build_field_name_REALDECIMALconstant( *$1 ) ), build_tuple( $4 ) ) ); }
[faddbd8]	463	\| field_name '.' field
[bf32bb8]	464	{ $$ = new ExpressionNode( build_fieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
[faddbd8]	465	\| field_name '.' '[' push field_list pop ']'
[bf32bb8]	466	{ $$ = new ExpressionNode( build_fieldSel( $1, build_tuple( $5 ) ) ); }
[faddbd8]	467	\| field_name ARROW field
[bf32bb8]	468	{ $$ = new ExpressionNode( build_pfieldSel( $1, maybeMoveBuild<Expression>( $3 ) ) ); }
[faddbd8]	469	\| field_name ARROW '[' push field_list pop ']'
[bf32bb8]	470	{ $$ = new ExpressionNode( build_pfieldSel( $1, build_tuple( $5 ) ) ); }
[4d51835]	471	;
[51b7345]	472
[faddbd8]	473	field_name:
[1b29996]	474	INTEGERconstant fraction_constants
[8780e30]	475	{ $$ = new ExpressionNode( build_field_name_fraction_constants( build_constantInteger( *$1 ), $2 ) ); }
[1b29996]	476	\| FLOATINGconstant fraction_constants
[8780e30]	477	{ $$ = new ExpressionNode( build_field_name_fraction_constants( build_field_name_FLOATINGconstant( *$1 ), $2 ) ); }
[1b29996]	478	\| no_attr_identifier fraction_constants
[4cb935e]	479	{
[84d58c5]	480	$$ = new ExpressionNode( build_field_name_fraction_constants( build_varref( $1 ), $2 ) );
	481	}
[1b29996]	482	;
	483
	484	fraction_constants:
	485	// empty
[8780e30]	486	{ $$ = nullptr; }
[1b29996]	487	\| fraction_constants REALFRACTIONconstant
[8780e30]	488	{
	489	Expression * constant = build_field_name_REALFRACTIONconstant( *$2 );
	490	$$ = $1 != nullptr ? new ExpressionNode( build_fieldSel( $1, constant ) ) : new ExpressionNode( constant );
	491	}
[faddbd8]	492	;
	493
[51b7345]	494	unary_expression:
[4d51835]	495	postfix_expression
[c6b1105]	496	// first location where constant/string can have operator applied: sizeof 3/sizeof "abc" still requires
	497	// semantics checks, e.g., ++3, 3--, *3, &&3
[51b1202]	498	\| constant
	499	{ $$ = $1; }
[ab57786]	500	\| string_literal
[d1625f8]	501	{ $$ = new ExpressionNode( $1 ); }
[4d51835]	502	\| EXTENSION cast_expression // GCC
[e04ef3a]	503	{ $$ = $2->set_extension( true ); }
[c6b1105]	504	// '*' ('&') is separated from unary_operator because of shift/reduce conflict in:
	505	// { * X; } // dereference X
	506	// { * int X; } // CFA declaration of pointer to int
[51e076e]	507	\| ptrref_operator cast_expression // CFA
[9706554]	508	{
	509	switch ( $1 ) {
[d9e2280]	510	case OperKinds::AddressOf:
[d1625f8]	511	$$ = new ExpressionNode( build_addressOf( $2 ) );
[9706554]	512	break;
[d9e2280]	513	case OperKinds::PointTo:
[d1625f8]	514	$$ = new ExpressionNode( build_unary_val( $1, $2 ) );
[9706554]	515	break;
	516	default:
	517	assert( false );
	518	}
	519	}
[4d51835]	520	\| unary_operator cast_expression
[d1625f8]	521	{ $$ = new ExpressionNode( build_unary_val( $1, $2 ) ); }
[dd51906]	522	\| ICR unary_expression
[d1625f8]	523	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::Incr, $2 ) ); }
[dd51906]	524	\| DECR unary_expression
[d1625f8]	525	{ $$ = new ExpressionNode( build_unary_ptr( OperKinds::Decr, $2 ) ); }
[4d51835]	526	\| SIZEOF unary_expression
[d1625f8]	527	{ $$ = new ExpressionNode( build_sizeOfexpr( $2 ) ); }
[84d58c5]	528	\| SIZEOF '(' type_no_function ')'
[d1625f8]	529	{ $$ = new ExpressionNode( build_sizeOftype( $3 ) ); }
	530	\| ALIGNOF unary_expression // GCC, variable alignment
	531	{ $$ = new ExpressionNode( build_alignOfexpr( $2 ) ); }
[a2e0687]	532	\| ALIGNOF '(' type_no_function ')' // GCC, type alignment
[d1625f8]	533	{ $$ = new ExpressionNode( build_alignOftype( $3 ) ); }
[84d58c5]	534	\| OFFSETOF '(' type_no_function ',' no_attr_identifier ')'
[d1625f8]	535	{ $$ = new ExpressionNode( build_offsetOf( $3, build_varref( $5 ) ) ); }
[4d51835]	536	\| ATTR_IDENTIFIER
[d1625f8]	537	{ $$ = new ExpressionNode( build_attrexpr( build_varref( $1 ), nullptr ) ); }
[4d51835]	538	\| ATTR_IDENTIFIER '(' argument_expression ')'
[d1625f8]	539	{ $$ = new ExpressionNode( build_attrexpr( build_varref( $1 ), $3 ) ); }
[84d58c5]	540	\| ATTR_IDENTIFIER '(' type ')'
[d1625f8]	541	{ $$ = new ExpressionNode( build_attrtype( build_varref( $1 ), $3 ) ); }
[c6b1105]	542	// \| ANDAND IDENTIFIER // GCC, address of label
[d7dc824]	543	// { $$ = new ExpressionNode( new OperatorNode( OperKinds::LabelAddress ), new ExpressionNode( build_varref( $2 ) ); }
[4d51835]	544	;
[51b7345]	545
[dd51906]	546	ptrref_operator:
[d9e2280]	547	'*' { $$ = OperKinds::PointTo; }
	548	\| '&' { $$ = OperKinds::AddressOf; }
[c6b1105]	549	// GCC, address of label must be handled by semantic check for ref,ref,label
[d9e2280]	550	// \| ANDAND { $$ = OperKinds::And; }
[dd51906]	551	;
	552
[51b7345]	553	unary_operator:
[d9e2280]	554	'+' { $$ = OperKinds::UnPlus; }
	555	\| '-' { $$ = OperKinds::UnMinus; }
	556	\| '!' { $$ = OperKinds::Neg; }
	557	\| '~' { $$ = OperKinds::BitNeg; }
[4d51835]	558	;
[51b7345]	559
	560	cast_expression:
[4d51835]	561	unary_expression
[84d58c5]	562	\| '(' type_no_function ')' cast_expression
[d1625f8]	563	{ $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
[72457b6]	564	// VIRTUAL cannot be opt because of look ahead issues
	565	\| '(' VIRTUAL ')' cast_expression
[a5f0529]	566	{ $$ = new ExpressionNode( build_virtual_cast( nullptr, $4 ) ); }
[72457b6]	567	\| '(' VIRTUAL type_no_function ')' cast_expression
[a5f0529]	568	{ $$ = new ExpressionNode( build_virtual_cast( $3, $5 ) ); }
[84d58c5]	569	// \| '(' type_no_function ')' tuple
[1b29996]	570	// { $$ = new ExpressionNode( build_cast( $2, $4 ) ); }
[4d51835]	571	;
[51b7345]	572
[994d080]	573	exponential_expression:
[4d51835]	574	cast_expression
[994d080]	575	\| exponential_expression '\\' cast_expression
[e5f2a67]	576	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Exp, $1, $3 ) ); }
[994d080]	577	;
	578
	579	multiplicative_expression:
	580	exponential_expression
	581	\| multiplicative_expression '*' exponential_expression
[d1625f8]	582	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Mul, $1, $3 ) ); }
[994d080]	583	\| multiplicative_expression '/' exponential_expression
[d1625f8]	584	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Div, $1, $3 ) ); }
[994d080]	585	\| multiplicative_expression '%' exponential_expression
[d1625f8]	586	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Mod, $1, $3 ) ); }
[4d51835]	587	;
[51b7345]	588
	589	additive_expression:
[4d51835]	590	multiplicative_expression
	591	\| additive_expression '+' multiplicative_expression
[d1625f8]	592	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Plus, $1, $3 ) ); }
[4d51835]	593	\| additive_expression '-' multiplicative_expression
[d1625f8]	594	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Minus, $1, $3 ) ); }
[4d51835]	595	;
[51b7345]	596
	597	shift_expression:
[4d51835]	598	additive_expression
	599	\| shift_expression LS additive_expression
[d1625f8]	600	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LShift, $1, $3 ) ); }
[4d51835]	601	\| shift_expression RS additive_expression
[d1625f8]	602	{ $$ = new ExpressionNode( build_binary_val( OperKinds::RShift, $1, $3 ) ); }
[4d51835]	603	;
[51b7345]	604
	605	relational_expression:
[4d51835]	606	shift_expression
	607	\| relational_expression '<' shift_expression
[d1625f8]	608	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LThan, $1, $3 ) ); }
[4d51835]	609	\| relational_expression '>' shift_expression
[d1625f8]	610	{ $$ = new ExpressionNode( build_binary_val( OperKinds::GThan, $1, $3 ) ); }
[4d51835]	611	\| relational_expression LE shift_expression
[d1625f8]	612	{ $$ = new ExpressionNode( build_binary_val( OperKinds::LEThan, $1, $3 ) ); }
[4d51835]	613	\| relational_expression GE shift_expression
[d1625f8]	614	{ $$ = new ExpressionNode( build_binary_val( OperKinds::GEThan, $1, $3 ) ); }
[4d51835]	615	;
[51b7345]	616
	617	equality_expression:
[4d51835]	618	relational_expression
	619	\| equality_expression EQ relational_expression
[d1625f8]	620	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Eq, $1, $3 ) ); }
[4d51835]	621	\| equality_expression NE relational_expression
[d1625f8]	622	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Neq, $1, $3 ) ); }
[4d51835]	623	;
[51b7345]	624
	625	AND_expression:
[4d51835]	626	equality_expression
	627	\| AND_expression '&' equality_expression
[d1625f8]	628	{ $$ = new ExpressionNode( build_binary_val( OperKinds::BitAnd, $1, $3 ) ); }
[4d51835]	629	;
[51b7345]	630
	631	exclusive_OR_expression:
[4d51835]	632	AND_expression
	633	\| exclusive_OR_expression '^' AND_expression
[d1625f8]	634	{ $$ = new ExpressionNode( build_binary_val( OperKinds::Xor, $1, $3 ) ); }
[4d51835]	635	;
[51b7345]	636
	637	inclusive_OR_expression:
[4d51835]	638	exclusive_OR_expression
	639	\| inclusive_OR_expression '\|' exclusive_OR_expression
[d1625f8]	640	{ $$ = new ExpressionNode( build_binary_val( OperKinds::BitOr, $1, $3 ) ); }
[4d51835]	641	;
[51b7345]	642
	643	logical_AND_expression:
[4d51835]	644	inclusive_OR_expression
	645	\| logical_AND_expression ANDAND inclusive_OR_expression
[d1625f8]	646	{ $$ = new ExpressionNode( build_and_or( $1, $3, true ) ); }
[4d51835]	647	;
[51b7345]	648
	649	logical_OR_expression:
[4d51835]	650	logical_AND_expression
	651	\| logical_OR_expression OROR logical_AND_expression
[d1625f8]	652	{ $$ = new ExpressionNode( build_and_or( $1, $3, false ) ); }
[4d51835]	653	;
[51b7345]	654
	655	conditional_expression:
[4d51835]	656	logical_OR_expression
	657	\| logical_OR_expression '?' comma_expression ':' conditional_expression
[d1625f8]	658	{ $$ = new ExpressionNode( build_cond( $1, $3, $5 ) ); }
[d9e2280]	659	// FIX ME: this hack computes $1 twice
[4d51835]	660	\| logical_OR_expression '?' /* empty */ ':' conditional_expression // GCC, omitted first operand
[d1625f8]	661	{ $$ = new ExpressionNode( build_cond( $1, $1, $4 ) ); }
[4d51835]	662	;
[51b7345]	663
	664	constant_expression:
[4d51835]	665	conditional_expression
	666	;
[51b7345]	667
	668	assignment_expression:
[4d51835]	669	// CFA, assignment is separated from assignment_operator to ensure no assignment operations for tuples
	670	conditional_expression
	671	\| unary_expression assignment_operator assignment_expression
[d1625f8]	672	{ $$ = new ExpressionNode( build_binary_ptr( $2, $1, $3 ) ); }
[4d51835]	673	;
[51b7345]	674
	675	assignment_expression_opt:
[4d51835]	676	// empty
[d1625f8]	677	{ $$ = nullptr; }
[4d51835]	678	\| assignment_expression
	679	;
[b87a5ed]	680
[9706554]	681	assignment_operator:
[d9e2280]	682	'=' { $$ = OperKinds::Assign; }
[a839867]	683	\| ATassign { $$ = OperKinds::AtAssn; }
[e5f2a67]	684	\| EXPassign { $$ = OperKinds::ExpAssn; }
[d9e2280]	685	\| MULTassign { $$ = OperKinds::MulAssn; }
	686	\| DIVassign { $$ = OperKinds::DivAssn; }
	687	\| MODassign { $$ = OperKinds::ModAssn; }
	688	\| PLUSassign { $$ = OperKinds::PlusAssn; }
	689	\| MINUSassign { $$ = OperKinds::MinusAssn; }
	690	\| LSassign { $$ = OperKinds::LSAssn; }
	691	\| RSassign { $$ = OperKinds::RSAssn; }
	692	\| ANDassign { $$ = OperKinds::AndAssn; }
	693	\| ERassign { $$ = OperKinds::ERAssn; }
	694	\| ORassign { $$ = OperKinds::OrAssn; }
[413ad05]	695	;
[9706554]	696
[b87a5ed]	697	tuple: // CFA, tuple
[de62360d]	698	// CFA, one assignment_expression is factored out of comma_expression to eliminate a shift/reduce conflict with
[c0aa336]	699	// comma_expression in cfa_identifier_parameter_array and cfa_abstract_array
[1b29996]	700	// '[' ']'
	701	// { $$ = new ExpressionNode( build_tuple() ); }
	702	// '[' push assignment_expression pop ']'
	703	// { $$ = new ExpressionNode( build_tuple( $3 ) ); }
	704	'[' push ',' tuple_expression_list pop ']'
[1d4580a]	705	{ $$ = new ExpressionNode( build_tuple( (ExpressionNode *)(new ExpressionNode( nullptr ) )->set_last( $4 ) ) ); }
[4d51835]	706	\| '[' push assignment_expression ',' tuple_expression_list pop ']'
[1d4580a]	707	{ $$ = new ExpressionNode( build_tuple( (ExpressionNode *)$3->set_last( $5 ) ) ); }
[4d51835]	708	;
[51b7345]	709
	710	tuple_expression_list:
[4d51835]	711	assignment_expression_opt
	712	\| tuple_expression_list ',' assignment_expression_opt
[1d4580a]	713	{ $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	714	;
[51b7345]	715
	716	comma_expression:
[4d51835]	717	assignment_expression
[9706554]	718	\| comma_expression ',' assignment_expression
[d1625f8]	719	{ $$ = new ExpressionNode( build_comma( $1, $3 ) ); }
[4d51835]	720	;
[51b7345]	721
	722	comma_expression_opt:
[4d51835]	723	// empty
[58dd019]	724	{ $$ = nullptr; }
[4d51835]	725	\| comma_expression
	726	;
[51b7345]	727
[c11e31c]	728	//************************* STATEMENTS *****************************
[51b7345]	729
	730	statement:
[4d51835]	731	labeled_statement
	732	\| compound_statement
	733	\| expression_statement { $$ = $1; }
	734	\| selection_statement
	735	\| iteration_statement
	736	\| jump_statement
[8b47e50]	737	\| with_statement
[4d51835]	738	\| exception_statement
	739	\| asm_statement
[51b7345]	740
	741	labeled_statement:
[44a81853]	742	// labels cannot be identifiers 0 or 1 or ATTR_IDENTIFIER
	743	identifier_or_type_name ':' attribute_list_opt statement
[1db21619]	744	{
[44a81853]	745	$$ = $4->add_label( $1, $3 );
[1db21619]	746	}
[4d51835]	747	;
[51b7345]	748
	749	compound_statement:
[4d51835]	750	'{' '}'
[e82aa9df]	751	{ $$ = new StatementNode( build_compound( (StatementNode *)0 ) ); }
[4d51835]	752	\| '{'
[de62360d]	753	// Two scopes are necessary because the block itself has a scope, but every declaration within the block also
[3a2128f]	754	// requires its own scope.
[4d51835]	755	push push
[51b1202]	756	local_label_declaration_opt // GCC, local labels
[c0aa336]	757	block_item_list // C99, intermix declarations and statements
	758	pop '}'
[e82aa9df]	759	{ $$ = new StatementNode( build_compound( $5 ) ); }
[4d51835]	760	;
[b87a5ed]	761
	762	block_item_list: // C99
[4d51835]	763	block_item
	764	\| block_item_list push block_item
[1d4580a]	765	{ if ( $1 != 0 ) { $1->set_last( $3 ); $$ = $1; } }
[4d51835]	766	;
[51b7345]	767
	768	block_item:
[4d51835]	769	declaration // CFA, new & old style declarations
[e82aa9df]	770	{ $$ = new StatementNode( $1 ); }
[4d51835]	771	\| EXTENSION declaration // GCC
[c0aa336]	772	{
	773	distExt( $2 );
[e82aa9df]	774	$$ = new StatementNode( $2 );
[8e9cbb2]	775	}
[4d51835]	776	\| function_definition
[e82aa9df]	777	{ $$ = new StatementNode( $1 ); }
[c0aa336]	778	\| EXTENSION function_definition // GCC
	779	{
	780	distExt( $2 );
	781	$$ = new StatementNode( $2 );
	782	}
[4d51835]	783	\| statement pop
	784	;
[51b7345]	785
	786	statement_list:
[4d51835]	787	statement
	788	\| statement_list statement
[1d4580a]	789	{ if ( $1 != 0 ) { $1->set_last( $2 ); $$ = $1; } }
[4d51835]	790	;
[51b7345]	791
	792	expression_statement:
[4d51835]	793	comma_expression_opt ';'
[e82aa9df]	794	{ $$ = new StatementNode( build_expr( $1 ) ); }
[4d51835]	795	;
[51b7345]	796
	797	selection_statement:
[6d49ea3]	798	IF '(' push if_control_expression ')' statement %prec THEN
[4d51835]	799	// explicitly deal with the shift/reduce conflict on if/else
[6d49ea3]	800	{ $$ = new StatementNode( build_if( $4, $6, nullptr ) ); }
	801	\| IF '(' push if_control_expression ')' statement ELSE statement
	802	{ $$ = new StatementNode( build_if( $4, $6, $8 ) ); }
[4d51835]	803	\| SWITCH '(' comma_expression ')' case_clause // CFA
[e82aa9df]	804	{ $$ = new StatementNode( build_switch( $3, $5 ) ); }
[4d51835]	805	\| SWITCH '(' comma_expression ')' '{' push declaration_list_opt switch_clause_list_opt '}' // CFA
[4e06c1e]	806	{
[e82aa9df]	807	StatementNode *sw = new StatementNode( build_switch( $3, $8 ) );
[4e06c1e]	808	// The semantics of the declaration list is changed to include associated initialization, which is performed
	809	// before the transfer to the appropriate case clause by hoisting the declarations into a compound
	810	// statement around the switch. Statements after the initial declaration list can never be executed, and
[8688ce1]	811	// therefore, are removed from the grammar even though C allows it. The change also applies to choose
	812	// statement.
[a7741435]	813	$$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
[4e06c1e]	814	}
[4d51835]	815	\| CHOOSE '(' comma_expression ')' case_clause // CFA
[e82aa9df]	816	{ $$ = new StatementNode( build_switch( $3, $5 ) ); }
[4d51835]	817	\| CHOOSE '(' comma_expression ')' '{' push declaration_list_opt choose_clause_list_opt '}' // CFA
[4e06c1e]	818	{
[e82aa9df]	819	StatementNode *sw = new StatementNode( build_switch( $3, $8 ) );
[a7741435]	820	$$ = $7 ? new StatementNode( build_compound( (StatementNode *)((new StatementNode( $7 ))->set_last( sw )) ) ) : sw;
[4e06c1e]	821	}
[4d51835]	822	;
[b87a5ed]	823
[936e9f4]	824	if_control_expression:
[6d49ea3]	825	comma_expression pop
[936e9f4]	826	{ $$ = new IfCtl( nullptr, $1 ); }
[6d49ea3]	827	\| c_declaration // no semi-colon
[936e9f4]	828	{ $$ = new IfCtl( $1, nullptr ); }
	829	\| cfa_declaration // no semi-colon
	830	{ $$ = new IfCtl( $1, nullptr ); }
[6d49ea3]	831	\| declaration comma_expression // semi-colon separated
[936e9f4]	832	{ $$ = new IfCtl( $1, $2 ); }
	833	;
	834
[de62360d]	835	// CASE and DEFAULT clauses are only allowed in the SWITCH statement, precluding Duff's device. In addition, a case
	836	// clause allows a list of values and subranges.
[b87a5ed]	837
	838	case_value: // CFA
[4d51835]	839	constant_expression { $$ = $1; }
	840	\| constant_expression ELLIPSIS constant_expression // GCC, subrange
[d1625f8]	841	{ $$ = new ExpressionNode( build_range( $1, $3 ) ); }
[4d51835]	842	\| subrange // CFA, subrange
	843	;
[b87a5ed]	844
	845	case_value_list: // CFA
[e82aa9df]	846	case_value { $$ = new StatementNode( build_case( $1 ) ); }
[064e3ff]	847	// convert case list, e.g., "case 1, 3, 5:" into "case 1: case 3: case 5"
[e82aa9df]	848	\| case_value_list ',' case_value { $$ = (StatementNode *)($1->set_last( new StatementNode( build_case( $3 ) ) ) ); }
[4d51835]	849	;
[b87a5ed]	850
	851	case_label: // CFA
[8688ce1]	852	CASE case_value_list ':' { $$ = $2; }
[e82aa9df]	853	\| DEFAULT ':' { $$ = new StatementNode( build_default() ); }
[4d51835]	854	// A semantic check is required to ensure only one default clause per switch/choose statement.
	855	;
[b87a5ed]	856
	857	case_label_list: // CFA
[4d51835]	858	case_label
[1d4580a]	859	\| case_label_list case_label { $$ = (StatementNode *)( $1->set_last( $2 )); }
[4d51835]	860	;
[b87a5ed]	861
	862	case_clause: // CFA
[e82aa9df]	863	case_label_list statement { $$ = $1->append_last_case( new StatementNode( build_compound( $2 ) ) ); }
[4d51835]	864	;
[b87a5ed]	865
	866	switch_clause_list_opt: // CFA
[4d51835]	867	// empty
[58dd019]	868	{ $$ = nullptr; }
[4d51835]	869	\| switch_clause_list
	870	;
[b87a5ed]	871
	872	switch_clause_list: // CFA
[4d51835]	873	case_label_list statement_list
[e82aa9df]	874	{ $$ = $1->append_last_case( new StatementNode( build_compound( $2 ) ) ); }
[4d51835]	875	\| switch_clause_list case_label_list statement_list
[e82aa9df]	876	{ $$ = (StatementNode *)( $1->set_last( $2->append_last_case( new StatementNode( build_compound( $3 ) ) ) ) ); }
[4d51835]	877	;
[b87a5ed]	878
	879	choose_clause_list_opt: // CFA
[4d51835]	880	// empty
[58dd019]	881	{ $$ = nullptr; }
[4d51835]	882	\| choose_clause_list
	883	;
[b87a5ed]	884
	885	choose_clause_list: // CFA
[4d51835]	886	case_label_list fall_through
[de62360d]	887	{ $$ = $1->append_last_case( $2 ); }
[4d51835]	888	\| case_label_list statement_list fall_through_opt
[e82aa9df]	889	{ $$ = $1->append_last_case( new StatementNode( build_compound( (StatementNode *)$2->set_last( $3 ) ) ) ); }
[4d51835]	890	\| choose_clause_list case_label_list fall_through
[1d4580a]	891	{ $$ = (StatementNode *)( $1->set_last( $2->append_last_case( $3 ))); }
[4d51835]	892	\| choose_clause_list case_label_list statement_list fall_through_opt
[e82aa9df]	893	{ $$ = (StatementNode )( $1->set_last( $2->append_last_case( new StatementNode( build_compound( (StatementNode )$3->set_last( $4 ) ) ) ) ) ); }
[4d51835]	894	;
[b87a5ed]	895
	896	fall_through_opt: // CFA
[4d51835]	897	// empty
[ab57786]	898	{ $$ = new StatementNode( build_branch( BranchStmt::Break ) ); } // insert implicit break
[4d51835]	899	\| fall_through
	900	;
[b87a5ed]	901
	902	fall_through: // CFA
[4e06c1e]	903	FALLTHRU
[58dd019]	904	{ $$ = nullptr; }
[4e06c1e]	905	\| FALLTHRU ';'
[58dd019]	906	{ $$ = nullptr; }
[4d51835]	907	;
[51b7345]	908
	909	iteration_statement:
[4d51835]	910	WHILE '(' comma_expression ')' statement
[e82aa9df]	911	{ $$ = new StatementNode( build_while( $3, $5 ) ); }
[4d51835]	912	\| DO statement WHILE '(' comma_expression ')' ';'
[5b639ee]	913	{ $$ = new StatementNode( build_while( $5, $2, true ) ); }
[4d51835]	914	\| FOR '(' push for_control_expression ')' statement
[e82aa9df]	915	{ $$ = new StatementNode( build_for( $4, $6 ) ); }
[4d51835]	916	;
[51b7345]	917
	918	for_control_expression:
[4d51835]	919	comma_expression_opt pop ';' comma_expression_opt ';' comma_expression_opt
[2f22cc4]	920	{ $$ = new ForCtl( $1, $4, $6 ); }
[4d51835]	921	\| declaration comma_expression_opt ';' comma_expression_opt // C99
[2f22cc4]	922	{ $$ = new ForCtl( $1, $2, $4 ); }
[d1625f8]	923	;
[51b7345]	924
	925	jump_statement:
[44a81853]	926	GOTO identifier_or_type_name ';'
[ab57786]	927	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Goto ) ); }
[4d51835]	928	\| GOTO '*' comma_expression ';' // GCC, computed goto
[4e06c1e]	929	// The syntax for the GCC computed goto violates normal expression precedence, e.g., goto i+3; => goto (i+3);
[de62360d]	930	// whereas normal operator precedence yields goto (*i)+3;
[e82aa9df]	931	{ $$ = new StatementNode( build_computedgoto( $3 ) ); }
[4d51835]	932	\| CONTINUE ';'
[de62360d]	933	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[ab57786]	934	{ $$ = new StatementNode( build_branch( BranchStmt::Continue ) ); }
[44a81853]	935	\| CONTINUE identifier_or_type_name ';' // CFA, multi-level continue
[de62360d]	936	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	937	// the target of the transfer appears only at the start of an iteration statement.
[ab57786]	938	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Continue ) ); }
[4d51835]	939	\| BREAK ';'
[de62360d]	940	// A semantic check is required to ensure this statement appears only in the body of an iteration statement.
[ab57786]	941	{ $$ = new StatementNode( build_branch( BranchStmt::Break ) ); }
[44a81853]	942	\| BREAK identifier_or_type_name ';' // CFA, multi-level exit
[de62360d]	943	// A semantic check is required to ensure this statement appears only in the body of an iteration statement, and
	944	// the target of the transfer appears only at the start of an iteration statement.
[ab57786]	945	{ $$ = new StatementNode( build_branch( $2, BranchStmt::Break ) ); }
[4d51835]	946	\| RETURN comma_expression_opt ';'
[e82aa9df]	947	{ $$ = new StatementNode( build_return( $2 ) ); }
[8cc5cb0]	948	\| THROW assignment_expression_opt ';' // handles rethrow
[e82aa9df]	949	{ $$ = new StatementNode( build_throw( $2 ) ); }
[8cc5cb0]	950	\| THROWRESUME assignment_expression_opt ';' // handles reresume
[daf1af8]	951	{ $$ = new StatementNode( build_resume( $2 ) ); }
[8cc5cb0]	952	\| THROWRESUME assignment_expression_opt AT assignment_expression ';' // handles reresume
[daf1af8]	953	{ $$ = new StatementNode( build_resume_at( $2, $4 ) ); }
[4d51835]	954	;
[51b7345]	955
[8b47e50]	956	with_statement:
[578e6037]	957	WITH '(' tuple_expression_list ')' compound_statement
[8b47e50]	958	{ $$ = (StatementNode *)0; } // FIX ME
	959	;
	960
[51b7345]	961	exception_statement:
[cfaabe2c]	962	TRY compound_statement handler_clause
[e82aa9df]	963	{ $$ = new StatementNode( build_try( $2, $3, 0 ) ); }
[4d51835]	964	\| TRY compound_statement finally_clause
[e82aa9df]	965	{ $$ = new StatementNode( build_try( $2, 0, $3 ) ); }
[cfaabe2c]	966	\| TRY compound_statement handler_clause finally_clause
[e82aa9df]	967	{ $$ = new StatementNode( build_try( $2, $3, $4 ) ); }
[4d51835]	968	;
[51b7345]	969
[cfaabe2c]	970	//handler_list:
	971	// handler_clause
	972	// // ISO/IEC 9899:1999 Section 15.3(6 ) If present, a "..." handler shall be the last handler for its try block.
	973	// \| CATCH '(' ELLIPSIS ')' compound_statement
	974	// { $$ = new StatementNode( build_catch( 0, $5, true ) ); }
	975	// \| handler_clause CATCH '(' ELLIPSIS ')' compound_statement
	976	// { $$ = (StatementNode *)$1->set_last( new StatementNode( build_catch( 0, $6, true ) ) ); }
	977	// \| CATCHRESUME '(' ELLIPSIS ')' compound_statement
	978	// { $$ = new StatementNode( build_catch( 0, $5, true ) ); }
	979	// \| handler_clause CATCHRESUME '(' ELLIPSIS ')' compound_statement
	980	// { $$ = (StatementNode *)$1->set_last( new StatementNode( build_catch( 0, $6, true ) ) ); }
	981	// ;
[51b7345]	982
	983	handler_clause:
[cbce272]	984	handler_key '(' push push exception_declaration pop handler_predicate_opt ')' compound_statement pop
	985	{ $$ = new StatementNode( build_catch( $1, $5, $7, $9 ) ); }
[dc2b4d6]	986	\| handler_clause handler_key '(' push push exception_declaration pop handler_predicate_opt ')' compound_statement pop
[cbce272]	987	{ $$ = (StatementNode *)$1->set_last( new StatementNode( build_catch( $2, $6, $8, $10 ) ) ); }
[994d080]	988	;
	989
	990	handler_predicate_opt:
	991	//empty
[cbce272]	992	{ $$ = nullptr; }
[dc2b4d6]	993	\| ';' conditional_expression
[cbce272]	994	{ $$ = $2; }
[307a732]	995	;
	996
	997	handler_key:
	998	CATCH
	999	{ $$ = CatchStmt::Terminate; }
	1000	\| CATCHRESUME
	1001	{ $$ = CatchStmt::Resume; }
[4d51835]	1002	;
[51b7345]	1003
	1004	finally_clause:
[4d51835]	1005	FINALLY compound_statement
	1006	{
[e82aa9df]	1007	$$ = new StatementNode( build_finally( $2 ) );
[4d51835]	1008	}
	1009	;
[51b7345]	1010
	1011	exception_declaration:
[d0ffed1]	1012	// No SUE declaration in parameter list.
	1013	type_specifier_nobody
	1014	\| type_specifier_nobody declarator
[4d51835]	1015	{
	1016	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1017	$$ = $2->addType( $1 );
	1018	}
[d0ffed1]	1019	\| type_specifier_nobody variable_abstract_declarator
[4d51835]	1020	{ $$ = $2->addType( $1 ); }
[c0aa336]	1021	\| cfa_abstract_declarator_tuple no_attr_identifier // CFA
[4d51835]	1022	{
	1023	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1024	$$ = $1->addName( $2 );
	1025	}
[c0aa336]	1026	\| cfa_abstract_declarator_tuple // CFA
[4d51835]	1027	;
[51b7345]	1028
	1029	asm_statement:
[ab57786]	1030	ASM asm_volatile_opt '(' string_literal ')' ';'
[e82aa9df]	1031	{ $$ = new StatementNode( build_asmstmt( $2, $4, 0 ) ); }
[ab57786]	1032	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ')' ';' // remaining GCC
[e82aa9df]	1033	{ $$ = new StatementNode( build_asmstmt( $2, $4, $6 ) ); }
[ab57786]	1034	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ')' ';'
[e82aa9df]	1035	{ $$ = new StatementNode( build_asmstmt( $2, $4, $6, $8 ) ); }
[ab57786]	1036	\| ASM asm_volatile_opt '(' string_literal ':' asm_operands_opt ':' asm_operands_opt ':' asm_clobbers_list_opt ')' ';'
[e82aa9df]	1037	{ $$ = new StatementNode( build_asmstmt( $2, $4, $6, $8, $10 ) ); }
[ab57786]	1038	\| ASM asm_volatile_opt GOTO '(' string_literal ':' ':' asm_operands_opt ':' asm_clobbers_list_opt ':' label_list ')' ';'
[e82aa9df]	1039	{ $$ = new StatementNode( build_asmstmt( $2, $5, 0, $8, $10, $12 ) ); }
[7f5566b]	1040	;
	1041
	1042	asm_volatile_opt: // GCC
	1043	// empty
	1044	{ $$ = false; }
	1045	\| VOLATILE
	1046	{ $$ = true; }
[4d51835]	1047	;
[b87a5ed]	1048
	1049	asm_operands_opt: // GCC
[4d51835]	1050	// empty
[58dd019]	1051	{ $$ = nullptr; } // use default argument
[4d51835]	1052	\| asm_operands_list
	1053	;
[b87a5ed]	1054
	1055	asm_operands_list: // GCC
[4d51835]	1056	asm_operand
	1057	\| asm_operands_list ',' asm_operand
[1d4580a]	1058	{ $$ = (ExpressionNode *)$1->set_last( $3 ); }
[4d51835]	1059	;
[b87a5ed]	1060
	1061	asm_operand: // GCC
[ab57786]	1062	string_literal '(' constant_expression ')'
[e82aa9df]	1063	{ $$ = new ExpressionNode( build_asmexpr( 0, $1, $3 ) ); }
[ab57786]	1064	\| '[' constant_expression ']' string_literal '(' constant_expression ')'
[1b77274]	1065	{ $$ = new ExpressionNode( build_asmexpr( $2, $4, $6 ) ); }
[7f5566b]	1066	;
	1067
[4e06c1e]	1068	asm_clobbers_list_opt: // GCC
[7f5566b]	1069	// empty
[58dd019]	1070	{ $$ = nullptr; } // use default argument
[ab57786]	1071	\| string_literal
[d1625f8]	1072	{ $$ = new ExpressionNode( $1 ); }
[ab57786]	1073	\| asm_clobbers_list_opt ',' string_literal
[a7741435]	1074	// set_last return ParseNode *
[e82aa9df]	1075	{ $$ = (ExpressionNode *)$1->set_last( new ExpressionNode( $3 ) ); }
[4d51835]	1076	;
[b87a5ed]	1077
[7f5566b]	1078	label_list:
	1079	no_attr_identifier
[ab57786]	1080	{
	1081	$$ = new LabelNode(); $$->labels.push_back( *$1 );
	1082	delete $1; // allocated by lexer
	1083	}
[7f5566b]	1084	\| label_list ',' no_attr_identifier
[ab57786]	1085	{
	1086	$$ = $1; $1->labels.push_back( *$3 );
	1087	delete $3; // allocated by lexer
	1088	}
[4d51835]	1089	;
[51b7345]	1090
[c11e31c]	1091	//***************************** DECLARATIONS *******************************
[51b7345]	1092
[b87a5ed]	1093	declaration_list_opt: // used at beginning of switch statement
[4d51835]	1094	pop
[58dd019]	1095	{ $$ = nullptr; }
[4d51835]	1096	\| declaration_list
	1097	;
[51b7345]	1098
	1099	declaration_list:
[4d51835]	1100	declaration
	1101	\| declaration_list push declaration
	1102	{ $$ = $1->appendList( $3 ); }
	1103	;
[51b7345]	1104
[c0aa336]	1105	KR_declaration_list_opt: // used to declare parameter types in K&R style functions
[4d51835]	1106	pop
[58dd019]	1107	{ $$ = nullptr; }
[c0aa336]	1108	\| KR_declaration_list
[4d51835]	1109	;
[51b7345]	1110
[c0aa336]	1111	KR_declaration_list:
[936e9f4]	1112	c_declaration ';'
	1113	\| KR_declaration_list push c_declaration ';'
[4d51835]	1114	{ $$ = $1->appendList( $3 ); }
	1115	;
[b87a5ed]	1116
[51b1202]	1117	local_label_declaration_opt: // GCC, local label
[4d51835]	1118	// empty
[51b1202]	1119	\| local_label_declaration_list
[4d51835]	1120	;
[b87a5ed]	1121
[51b1202]	1122	local_label_declaration_list: // GCC, local label
	1123	LABEL local_label_list ';'
	1124	\| local_label_declaration_list LABEL local_label_list ';'
[4d51835]	1125	;
[b87a5ed]	1126
[51b1202]	1127	local_label_list: // GCC, local label
[7f5566b]	1128	no_attr_identifier_or_type_name {}
[51b1202]	1129	\| local_label_list ',' no_attr_identifier_or_type_name {}
[4d51835]	1130	;
[b87a5ed]	1131
[936e9f4]	1132	declaration: // old & new style declarations
	1133	c_declaration ';'
	1134	\| cfa_declaration ';' // CFA
[4d51835]	1135	;
[b87a5ed]	1136
[de62360d]	1137	// C declaration syntax is notoriously confusing and error prone. Cforall provides its own type, variable and function
	1138	// declarations. CFA declarations use the same declaration tokens as in C; however, CFA places declaration modifiers to
	1139	// the left of the base type, while C declarations place modifiers to the right of the base type. CFA declaration
	1140	// modifiers are interpreted from left to right and the entire type specification is distributed across all variables in
	1141	// the declaration list (as in Pascal). ANSI C and the new CFA declarations may appear together in the same program
	1142	// block, but cannot be mixed within a specific declaration.
[c11e31c]	1143	//
[b87a5ed]	1144	// CFA C
	1145	// [10] int x; int x[10]; // array of 10 integers
	1146	// [10] * char y; char *y[10]; // array of 10 pointers to char
	1147
[c0aa336]	1148	cfa_declaration: // CFA
[936e9f4]	1149	cfa_variable_declaration pop
	1150	\| cfa_typedef_declaration pop
	1151	\| cfa_function_declaration pop
	1152	\| type_declaring_list pop
	1153	\| trait_specifier pop
[4d51835]	1154	;
[b87a5ed]	1155
[c0aa336]	1156	cfa_variable_declaration: // CFA
	1157	cfa_variable_specifier initializer_opt
[4d51835]	1158	{
	1159	typedefTable.addToEnclosingScope( TypedefTable::ID );
[3cfe27f]	1160	$$ = $1->addInitializer( $2 );
[4d51835]	1161	}
[c0aa336]	1162	\| declaration_qualifier_list cfa_variable_specifier initializer_opt
[de62360d]	1163	// declaration_qualifier_list also includes type_qualifier_list, so a semantic check is necessary to preclude
	1164	// them as a type_qualifier cannot appear in that context.
[4d51835]	1165	{
	1166	typedefTable.addToEnclosingScope( TypedefTable::ID );
[3cfe27f]	1167	$$ = $2->addQualifiers( $1 )->addInitializer( $3 );;
[4d51835]	1168	}
[c0aa336]	1169	\| cfa_variable_declaration pop ',' push identifier_or_type_name initializer_opt
[4d51835]	1170	{
	1171	typedefTable.addToEnclosingScope( *$5, TypedefTable::ID );
[3cfe27f]	1172	$$ = $1->appendList( $1->cloneType( $5 )->addInitializer( $6 ) );
[4d51835]	1173	}
	1174	;
[b87a5ed]	1175
[c0aa336]	1176	cfa_variable_specifier: // CFA
[de62360d]	1177	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1178	// storage-class
[c0aa336]	1179	cfa_abstract_declarator_no_tuple identifier_or_type_name asm_name_opt
[4d51835]	1180	{
	1181	typedefTable.setNextIdentifier( *$2 );
[58dd019]	1182	$$ = $1->addName( $2 )->addAsmName( $3 );
[4d51835]	1183	}
[c0aa336]	1184	\| cfa_abstract_tuple identifier_or_type_name asm_name_opt
[4d51835]	1185	{
	1186	typedefTable.setNextIdentifier( *$2 );
[58dd019]	1187	$$ = $1->addName( $2 )->addAsmName( $3 );
[4d51835]	1188	}
[c0aa336]	1189	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name asm_name_opt
[4d51835]	1190	{
	1191	typedefTable.setNextIdentifier( *$3 );
[58dd019]	1192	$$ = $2->addQualifiers( $1 )->addName( $3 )->addAsmName( $4 );
[4d51835]	1193	}
	1194	;
[b87a5ed]	1195
[c0aa336]	1196	cfa_function_declaration: // CFA
	1197	cfa_function_specifier
[4d51835]	1198	{
	1199	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1200	$$ = $1;
	1201	}
[c0aa336]	1202	\| type_qualifier_list cfa_function_specifier
[4d51835]	1203	{
	1204	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1205	$$ = $2->addQualifiers( $1 );
	1206	}
[c0aa336]	1207	\| declaration_qualifier_list cfa_function_specifier
[4d51835]	1208	{
	1209	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1210	$$ = $2->addQualifiers( $1 );
	1211	}
[c0aa336]	1212	\| declaration_qualifier_list type_qualifier_list cfa_function_specifier
[4d51835]	1213	{
	1214	typedefTable.addToEnclosingScope( TypedefTable::ID );
	1215	$$ = $3->addQualifiers( $1 )->addQualifiers( $2 );
	1216	}
[c0aa336]	1217	\| cfa_function_declaration pop ',' push identifier_or_type_name
[4d51835]	1218	{
	1219	typedefTable.addToEnclosingScope( *$5, TypedefTable::ID );
	1220	$$ = $1->appendList( $1->cloneType( $5 ) );
	1221	}
	1222	;
[b87a5ed]	1223
[c0aa336]	1224	cfa_function_specifier: // CFA
	1225	// '[' ']' identifier_or_type_name '(' push cfa_parameter_type_list_opt pop ')' // S/R conflict
[1b29996]	1226	// {
	1227	// $$ = DeclarationNode::newFunction( $3, DeclarationNode::newTuple( 0 ), $6, 0, true );
	1228	// }
[c0aa336]	1229	// '[' ']' identifier '(' push cfa_parameter_type_list_opt pop ')'
[2871210]	1230	// {
	1231	// typedefTable.setNextIdentifier( *$5 );
	1232	// $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
	1233	// }
[c0aa336]	1234	// \| '[' ']' TYPEDEFname '(' push cfa_parameter_type_list_opt pop ')'
[2871210]	1235	// {
	1236	// typedefTable.setNextIdentifier( *$5 );
	1237	// $$ = DeclarationNode::newFunction( $5, DeclarationNode::newTuple( 0 ), $8, 0, true );
	1238	// }
	1239	// \| '[' ']' typegen_name
	1240	// identifier_or_type_name must be broken apart because of the sequence:
[4d51835]	1241	//
[c0aa336]	1242	// '[' ']' identifier_or_type_name '(' cfa_parameter_type_list_opt ')'
[4d51835]	1243	// '[' ']' type_specifier
	1244	//
[2871210]	1245	// type_specifier can resolve to just TYPEDEFname (e.g., typedef int T; int f( T );). Therefore this must be
	1246	// flattened to allow lookahead to the '(' without having to reduce identifier_or_type_name.
[c0aa336]	1247	cfa_abstract_tuple identifier_or_type_name '(' push cfa_parameter_type_list_opt pop ')'
	1248	// To obtain LR(1 ), this rule must be factored out from function return type (see cfa_abstract_declarator).
[4d51835]	1249	{
	1250	$$ = DeclarationNode::newFunction( $2, $1, $5, 0, true );
	1251	}
[c0aa336]	1252	\| cfa_function_return identifier_or_type_name '(' push cfa_parameter_type_list_opt pop ')'
[4d51835]	1253	{
	1254	$$ = DeclarationNode::newFunction( $2, $1, $5, 0, true );
	1255	}
	1256	;
[b87a5ed]	1257
[c0aa336]	1258	cfa_function_return: // CFA
	1259	'[' push cfa_parameter_list pop ']'
[4d51835]	1260	{ $$ = DeclarationNode::newTuple( $3 ); }
[c0aa336]	1261	\| '[' push cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ']'
	1262	// To obtain LR(1 ), the last cfa_abstract_parameter_list is added into this flattened rule to lookahead to the
[de62360d]	1263	// ']'.
[4d51835]	1264	{ $$ = DeclarationNode::newTuple( $3->appendList( $7 ) ); }
	1265	;
[b87a5ed]	1266
[c0aa336]	1267	cfa_typedef_declaration: // CFA
	1268	TYPEDEF cfa_variable_specifier
[4d51835]	1269	{
[de62360d]	1270	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1271	$$ = $2->addTypedef();
	1272	}
[c0aa336]	1273	\| TYPEDEF cfa_function_specifier
[4d51835]	1274	{
[de62360d]	1275	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1276	$$ = $2->addTypedef();
	1277	}
[c0aa336]	1278	\| cfa_typedef_declaration pop ',' push no_attr_identifier
[4d51835]	1279	{
[de62360d]	1280	typedefTable.addToEnclosingScope( *$5, TypedefTable::TD );
[4d51835]	1281	$$ = $1->appendList( $1->cloneType( $5 ) );
	1282	}
	1283	;
[b87a5ed]	1284
[de62360d]	1285	// Traditionally typedef is part of storage-class specifier for syntactic convenience only. Here, it is factored out as
	1286	// a separate form of declaration, which syntactically precludes storage-class specifiers and initialization.
[51b7345]	1287
	1288	typedef_declaration:
[4d51835]	1289	TYPEDEF type_specifier declarator
	1290	{
[de62360d]	1291	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1292	$$ = $3->addType( $2 )->addTypedef();
	1293	}
	1294	\| typedef_declaration pop ',' push declarator
	1295	{
[de62360d]	1296	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1297	$$ = $1->appendList( $1->cloneBaseType( $5 )->addTypedef() );
	1298	}
[de62360d]	1299	\| type_qualifier_list TYPEDEF type_specifier declarator // remaining OBSOLESCENT (see 2 )
[4d51835]	1300	{
[de62360d]	1301	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1302	$$ = $4->addType( $3 )->addQualifiers( $1 )->addTypedef();
	1303	}
	1304	\| type_specifier TYPEDEF declarator
	1305	{
[de62360d]	1306	typedefTable.addToEnclosingScope( TypedefTable::TD );
[4d51835]	1307	$$ = $3->addType( $1 )->addTypedef();
	1308	}
	1309	\| type_specifier TYPEDEF type_qualifier_list declarator
	1310	{
[de62360d]	1311	typedefTable.addToEnclosingScope( TypedefTable::TD );
	1312	$$ = $4->addQualifiers( $1 )->addTypedef()->addType( $1 );
[4d51835]	1313	}
	1314	;
[b87a5ed]	1315
[721f17a]	1316	typedef_expression:
	1317	// GCC, naming expression type: typedef name = exp; gives a name to the type of an expression
[4d51835]	1318	TYPEDEF no_attr_identifier '=' assignment_expression
	1319	{
[de62360d]	1320	typedefTable.addToEnclosingScope( *$2, TypedefTable::TD );
[c0aa336]	1321	$$ = DeclarationNode::newName( 0 ); // unimplemented
[4d51835]	1322	}
	1323	\| typedef_expression pop ',' push no_attr_identifier '=' assignment_expression
	1324	{
[de62360d]	1325	typedefTable.addToEnclosingScope( *$5, TypedefTable::TD );
[c0aa336]	1326	$$ = DeclarationNode::newName( 0 ); // unimplemented
[4d51835]	1327	}
	1328	;
[51b7345]	1329
[c0aa336]	1330	//c_declaration:
	1331	// declaring_list pop ';'
	1332	// \| typedef_declaration pop ';'
	1333	// \| typedef_expression pop ';' // GCC, naming expression type
	1334	// \| sue_declaration_specifier pop ';'
	1335	// ;
	1336	//
	1337	//declaring_list:
	1338	// // A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1339	// // storage-class
	1340	// declarator asm_name_opt initializer_opt
	1341	// {
	1342	// typedefTable.addToEnclosingScope( TypedefTable::ID );
	1343	// $$ = ( $2->addType( $1 ))->addAsmName( $3 )->addInitializer( $4 );
	1344	// }
	1345	// \| declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
	1346	// {
	1347	// typedefTable.addToEnclosingScope( TypedefTable::ID );
	1348	// $$ = $1->appendList( $1->cloneBaseType( $4->addAsmName( $5 )->addInitializer( $6 ) ) );
	1349	// }
	1350	// ;
	1351
	1352	c_declaration:
[936e9f4]	1353	declaration_specifier declaring_list pop
[c0aa336]	1354	{
	1355	$$ = distAttr( $1, $2 );
	1356	}
[936e9f4]	1357	\| typedef_declaration pop
	1358	\| typedef_expression pop // GCC, naming expression type
	1359	\| sue_declaration_specifier pop
[4d51835]	1360	;
[51b7345]	1361
	1362	declaring_list:
[de62360d]	1363	// A semantic check is required to ensure asm_name only appears on declarations with implicit or explicit static
	1364	// storage-class
[c0aa336]	1365	declarator asm_name_opt initializer_opt
[4d51835]	1366	{
	1367	typedefTable.addToEnclosingScope( TypedefTable::ID );
[c0aa336]	1368	$$ = $1->addAsmName( $2 )->addInitializer( $3 );
[4d51835]	1369	}
	1370	\| declaring_list ',' attribute_list_opt declarator asm_name_opt initializer_opt
	1371	{
	1372	typedefTable.addToEnclosingScope( TypedefTable::ID );
[c0aa336]	1373	$$ = $1->appendList( $4->addQualifiers( $3 )->addAsmName( $5 )->addInitializer( $6 ) );
[4d51835]	1374	}
	1375	;
[b87a5ed]	1376
	1377	declaration_specifier: // type specifier + storage class
[4d51835]	1378	basic_declaration_specifier
	1379	\| sue_declaration_specifier
[84d58c5]	1380	\| type_declaration_specifier
[4d51835]	1381	;
[b87a5ed]	1382
[d0ffed1]	1383	declaration_specifier_nobody: // type specifier + storage class - {...}
	1384	// Preclude SUE declarations in restricted scopes:
	1385	//
	1386	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	1387	//
	1388	// because it is impossible to call f due to name equivalence.
	1389	basic_declaration_specifier
	1390	\| sue_declaration_specifier_nobody
[84d58c5]	1391	\| type_declaration_specifier
[d0ffed1]	1392	;
	1393
	1394	type_specifier: // type specifier
[4d51835]	1395	basic_type_specifier
	1396	\| sue_type_specifier
[84d58c5]	1397	\| type_type_specifier
[4d51835]	1398	;
[b87a5ed]	1399
[d0ffed1]	1400	type_specifier_nobody: // type specifier - {...}
	1401	// Preclude SUE declarations in restricted scopes:
	1402	//
	1403	// int f( struct S { int i; } s1, Struct S s2 ) { struct S s3; ... }
	1404	//
	1405	// because it is impossible to call f due to name equivalence.
	1406	basic_type_specifier
	1407	\| sue_type_specifier_nobody
[84d58c5]	1408	\| type_type_specifier
[d0ffed1]	1409	;
	1410
[b87a5ed]	1411	type_qualifier_list_opt: // GCC, used in asm_statement
[4d51835]	1412	// empty
[58dd019]	1413	{ $$ = nullptr; }
[4d51835]	1414	\| type_qualifier_list
	1415	;
[51b7345]	1416
	1417	type_qualifier_list:
[de62360d]	1418	// A semantic check is necessary to ensure a type qualifier is appropriate for the kind of declaration.
[4d51835]	1419	//
[de62360d]	1420	// ISO/IEC 9899:1999 Section 6.7.3(4 ) : If the same qualifier appears more than once in the same
	1421	// specifier-qualifier-list, either directly or via one or more typedefs, the behavior is the same as if it
	1422	// appeared only once.
[4d51835]	1423	type_qualifier
	1424	\| type_qualifier_list type_qualifier
	1425	{ $$ = $1->addQualifiers( $2 ); }
	1426	;
[51b7345]	1427
	1428	type_qualifier:
[4d51835]	1429	type_qualifier_name
	1430	\| attribute
	1431	;
[51b7345]	1432
	1433	type_qualifier_name:
[4d51835]	1434	CONST
[738e304]	1435	{ $$ = DeclarationNode::newTypeQualifier( Type::Const ); }
[4d51835]	1436	\| RESTRICT
[738e304]	1437	{ $$ = DeclarationNode::newTypeQualifier( Type::Restrict ); }
[4d51835]	1438	\| VOLATILE
[738e304]	1439	{ $$ = DeclarationNode::newTypeQualifier( Type::Volatile ); }
[4d51835]	1440	\| LVALUE // CFA
[738e304]	1441	{ $$ = DeclarationNode::newTypeQualifier( Type::Lvalue ); }
[a7c90d4]	1442	\| MUTEX
[738e304]	1443	{ $$ = DeclarationNode::newTypeQualifier( Type::Mutex ); }
[4d51835]	1444	\| ATOMIC
[738e304]	1445	{ $$ = DeclarationNode::newTypeQualifier( Type::Atomic ); }
[4d51835]	1446	\| FORALL '('
	1447	{
	1448	typedefTable.enterScope();
	1449	}
	1450	type_parameter_list ')' // CFA
	1451	{
	1452	typedefTable.leaveScope();
	1453	$$ = DeclarationNode::newForall( $4 );
	1454	}
	1455	;
[51b7345]	1456
	1457	declaration_qualifier_list:
[4d51835]	1458	storage_class_list
[de62360d]	1459	\| type_qualifier_list storage_class_list // remaining OBSOLESCENT (see 2 )
[4d51835]	1460	{ $$ = $1->addQualifiers( $2 ); }
	1461	\| declaration_qualifier_list type_qualifier_list storage_class_list
	1462	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1463	;
[51b7345]	1464
	1465	storage_class_list:
[de62360d]	1466	// A semantic check is necessary to ensure a storage class is appropriate for the kind of declaration and that
	1467	// only one of each is specified, except for inline, which can appear with the others.
[4d51835]	1468	//
[de62360d]	1469	// ISO/IEC 9899:1999 Section 6.7.1(2) : At most, one storage-class specifier may be given in the declaration
	1470	// specifiers in a declaration.
[4d51835]	1471	storage_class
	1472	\| storage_class_list storage_class
	1473	{ $$ = $1->addQualifiers( $2 ); }
	1474	;
[51b7345]	1475
	1476	storage_class:
[4d51835]	1477	EXTERN
[68fe077a]	1478	{ $$ = DeclarationNode::newStorageClass( Type::Extern ); }
[4d51835]	1479	\| STATIC
[68fe077a]	1480	{ $$ = DeclarationNode::newStorageClass( Type::Static ); }
[4d51835]	1481	\| AUTO
[68fe077a]	1482	{ $$ = DeclarationNode::newStorageClass( Type::Auto ); }
[4d51835]	1483	\| REGISTER
[68fe077a]	1484	{ $$ = DeclarationNode::newStorageClass( Type::Register ); }
[dd020c0]	1485	\| THREADLOCAL // C11
[68fe077a]	1486	{ $$ = DeclarationNode::newStorageClass( Type::Threadlocal ); }
[dd020c0]	1487	// Put function specifiers here to simplify parsing rules, but separate them semantically.
[4d51835]	1488	\| INLINE // C99
[ddfd945]	1489	{ $$ = DeclarationNode::newFuncSpecifier( Type::Inline ); }
[4d51835]	1490	\| FORTRAN // C99
[ddfd945]	1491	{ $$ = DeclarationNode::newFuncSpecifier( Type::Fortran ); }
[68cd1ce]	1492	\| NORETURN // C11
[ddfd945]	1493	{ $$ = DeclarationNode::newFuncSpecifier( Type::Noreturn ); }
[4d51835]	1494	;
[51b7345]	1495
	1496	basic_type_name:
[4d51835]	1497	CHAR
	1498	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Char ); }
	1499	\| DOUBLE
	1500	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Double ); }
	1501	\| FLOAT
	1502	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Float ); }
	1503	\| INT
	1504	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Int ); }
	1505	\| LONG
[5b639ee]	1506	{ $$ = DeclarationNode::newLength( DeclarationNode::Long ); }
[4d51835]	1507	\| SHORT
[5b639ee]	1508	{ $$ = DeclarationNode::newLength( DeclarationNode::Short ); }
[4d51835]	1509	\| SIGNED
[5b639ee]	1510	{ $$ = DeclarationNode::newSignedNess( DeclarationNode::Signed ); }
[4d51835]	1511	\| UNSIGNED
[5b639ee]	1512	{ $$ = DeclarationNode::newSignedNess( DeclarationNode::Unsigned ); }
[4d51835]	1513	\| VOID
	1514	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Void ); }
	1515	\| BOOL // C99
	1516	{ $$ = DeclarationNode::newBasicType( DeclarationNode::Bool ); }
	1517	\| COMPLEX // C99
[5b639ee]	1518	{ $$ = DeclarationNode::newComplexType( DeclarationNode::Complex ); }
[4d51835]	1519	\| IMAGINARY // C99
[5b639ee]	1520	{ $$ = DeclarationNode::newComplexType( DeclarationNode::Imaginary ); }
[3a2128f]	1521	\| ZERO_T
[148f7290]	1522	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::Zero ); }
[3a2128f]	1523	\| ONE_T
[148f7290]	1524	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::One ); }
[72457b6]	1525	\| VALIST // GCC, __builtin_va_list
	1526	{ $$ = DeclarationNode::newBuiltinType( DeclarationNode::Valist ); }
[4d51835]	1527	;
[51b7345]	1528
	1529	basic_declaration_specifier:
[4d51835]	1530	// A semantic check is necessary for conflicting storage classes.
	1531	basic_type_specifier
	1532	\| declaration_qualifier_list basic_type_specifier
	1533	{ $$ = $2->addQualifiers( $1 ); }
	1534	\| basic_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	1535	{ $$ = $1->addQualifiers( $2 ); }
	1536	\| basic_declaration_specifier storage_class type_qualifier_list
	1537	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1538	\| basic_declaration_specifier storage_class basic_type_specifier
	1539	{ $$ = $3->addQualifiers( $2 )->addType( $1 ); }
	1540	;
[51b7345]	1541
	1542	basic_type_specifier:
[84d58c5]	1543	direct_type
	1544	\| type_qualifier_list_opt indirect_type type_qualifier_list_opt
[4d51835]	1545	{ $$ = $2->addQualifiers( $1 )->addQualifiers( $3 ); }
	1546	;
[51b7345]	1547
[84d58c5]	1548	direct_type:
[4d51835]	1549	// A semantic check is necessary for conflicting type qualifiers.
	1550	basic_type_name
	1551	\| type_qualifier_list basic_type_name
	1552	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	1553	\| direct_type type_qualifier
[4d51835]	1554	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	1555	\| direct_type basic_type_name
[4d51835]	1556	{ $$ = $1->addType( $2 ); }
	1557	;
[51b7345]	1558
[84d58c5]	1559	indirect_type:
	1560	TYPEOF '(' type ')' // GCC: typeof(x) y;
[4d51835]	1561	{ $$ = $3; }
	1562	\| TYPEOF '(' comma_expression ')' // GCC: typeof(a+b) y;
	1563	{ $$ = DeclarationNode::newTypeof( $3 ); }
[84d58c5]	1564	\| ATTR_TYPEGENname '(' type ')' // CFA: e.g., @type(x) y;
[4d51835]	1565	{ $$ = DeclarationNode::newAttr( $1, $3 ); }
	1566	\| ATTR_TYPEGENname '(' comma_expression ')' // CFA: e.g., @type(a+b) y;
	1567	{ $$ = DeclarationNode::newAttr( $1, $3 ); }
	1568	;
[51b7345]	1569
[d0ffed1]	1570	sue_declaration_specifier: // struct, union, enum + storage class + type specifier
[4d51835]	1571	sue_type_specifier
	1572	\| declaration_qualifier_list sue_type_specifier
	1573	{ $$ = $2->addQualifiers( $1 ); }
	1574	\| sue_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
	1575	{ $$ = $1->addQualifiers( $2 ); }
	1576	\| sue_declaration_specifier storage_class type_qualifier_list
	1577	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1578	;
[51b7345]	1579
[d0ffed1]	1580	sue_type_specifier: // struct, union, enum + type specifier
	1581	elaborated_type
[fdca7c6]	1582	\| type_qualifier_list
	1583	{ if ( $1->type != nullptr && $1->type->forall ) forall = true; } // remember generic type
	1584	elaborated_type
	1585	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	1586	\| sue_type_specifier type_qualifier
	1587	{ $$ = $1->addQualifiers( $2 ); }
	1588	;
[51b7345]	1589
[d0ffed1]	1590	sue_declaration_specifier_nobody: // struct, union, enum - {...} + storage class + type specifier
	1591	sue_type_specifier_nobody
	1592	\| declaration_qualifier_list sue_type_specifier_nobody
	1593	{ $$ = $2->addQualifiers( $1 ); }
	1594	\| sue_declaration_specifier_nobody storage_class // remaining OBSOLESCENT (see 2)
	1595	{ $$ = $1->addQualifiers( $2 ); }
	1596	\| sue_declaration_specifier_nobody storage_class type_qualifier_list
	1597	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1598	;
	1599
	1600	sue_type_specifier_nobody: // struct, union, enum - {...} + type specifier
	1601	elaborated_type_nobody
	1602	\| type_qualifier_list elaborated_type_nobody
	1603	{ $$ = $2->addQualifiers( $1 ); }
	1604	\| sue_type_specifier_nobody type_qualifier
	1605	{ $$ = $1->addQualifiers( $2 ); }
	1606	;
	1607
[84d58c5]	1608	type_declaration_specifier:
	1609	type_type_specifier
	1610	\| declaration_qualifier_list type_type_specifier
[4d51835]	1611	{ $$ = $2->addQualifiers( $1 ); }
[84d58c5]	1612	\| type_declaration_specifier storage_class // remaining OBSOLESCENT (see 2)
[4d51835]	1613	{ $$ = $1->addQualifiers( $2 ); }
[84d58c5]	1614	\| type_declaration_specifier storage_class type_qualifier_list
[4d51835]	1615	{ $$ = $1->addQualifiers( $2 )->addQualifiers( $3 ); }
	1616	;
[b87a5ed]	1617
[84d58c5]	1618	type_type_specifier: // typedef types
	1619	type_name
	1620	\| type_qualifier_list type_name
	1621	{ $$ = $2->addQualifiers( $1 ); }
	1622	\| type_type_specifier type_qualifier
	1623	{ $$ = $1->addQualifiers( $2 ); }
	1624	;
	1625
	1626	type_name:
[4d51835]	1627	TYPEDEFname
	1628	{ $$ = DeclarationNode::newFromTypedef( $1 ); }
[84d58c5]	1629	\| '.' TYPEDEFname
	1630	{ $$ = DeclarationNode::newFromTypedef( $2 ); } // FIX ME
	1631	\| type_name '.' TYPEDEFname
	1632	{ $$ = DeclarationNode::newFromTypedef( $3 ); } // FIX ME
	1633	\| typegen_name
	1634	\| '.' typegen_name
	1635	{ $$ = $2; } // FIX ME
	1636	\| type_name '.' typegen_name
	1637	{ $$ = $3; } // FIX ME
	1638	;
	1639
	1640	typegen_name: // CFA
[67cf18c]	1641	TYPEGENname '(' ')'
	1642	{ $$ = DeclarationNode::newFromTypeGen( $1, nullptr ); }
	1643	\| TYPEGENname '(' type_list ')'
[84d58c5]	1644	{ $$ = DeclarationNode::newFromTypeGen( $1, $3 ); }
[4d51835]	1645	;
[51b7345]	1646
[d0ffed1]	1647	elaborated_type: // struct, union, enum
[c0aa336]	1648	aggregate_type
	1649	\| enum_type
[4d51835]	1650	;
[51b7345]	1651
[d0ffed1]	1652	elaborated_type_nobody: // struct, union, enum - {...}
	1653	aggregate_type_nobody
	1654	\| enum_type_nobody
	1655	;
	1656
	1657	aggregate_type: // struct, union
[c0aa336]	1658	aggregate_key attribute_list_opt '{' field_declaration_list '}'
[6f95000]	1659	{ $$ = DeclarationNode::newAggregate( $1, new string( DeclarationNode::anonymous.newName() ), nullptr, $4, true )->addQualifiers( $2 ); }
[c0aa336]	1660	\| aggregate_key attribute_list_opt no_attr_identifier_or_type_name
[fdca7c6]	1661	{
	1662	typedefTable.makeTypedef( *$3 ); // create typedef
	1663	if ( forall ) typedefTable.changeKind( *$3, TypedefTable::TG ); // possibly update
	1664	forall = false; // reset
	1665	}
[c0aa336]	1666	'{' field_declaration_list '}'
	1667	{ $$ = DeclarationNode::newAggregate( $1, $3, nullptr, $6, true )->addQualifiers( $2 ); }
[84d58c5]	1668	\| aggregate_key attribute_list_opt '(' type_list ')' '{' field_declaration_list '}' // CFA
[6f95000]	1669	{ $$ = DeclarationNode::newAggregate( $1, new string( DeclarationNode::anonymous.newName() ), $4, $7, false )->addQualifiers( $2 ); }
[d0ffed1]	1670	\| aggregate_type_nobody
	1671	;
	1672
	1673	aggregate_type_nobody: // struct, union - {...}
[84d58c5]	1674	aggregate_key attribute_list_opt no_attr_identifier
	1675	{
	1676	typedefTable.makeTypedef( *$3 );
	1677	$$ = DeclarationNode::newAggregate( $1, $3, nullptr, nullptr, false )->addQualifiers( $2 );
	1678	}
	1679	\| aggregate_key attribute_list_opt TYPEDEFname
[d0ffed1]	1680	{
	1681	typedefTable.makeTypedef( *$3 );
	1682	$$ = DeclarationNode::newAggregate( $1, $3, nullptr, nullptr, false )->addQualifiers( $2 );
	1683	}
[84d58c5]	1684	\| aggregate_key attribute_list_opt typegen_name // CFA
[c0aa336]	1685	{ $$ = $3->addQualifiers( $2 ); }
[4d51835]	1686	;
[51b7345]	1687
	1688	aggregate_key:
[c0aa336]	1689	STRUCT
[4d51835]	1690	{ $$ = DeclarationNode::Struct; }
[c0aa336]	1691	\| UNION
[4d51835]	1692	{ $$ = DeclarationNode::Union; }
[d3bc0ad]	1693	\| COROUTINE
[409433da]	1694	{ $$ = DeclarationNode::Coroutine; }
[d3bc0ad]	1695	\| MONITOR
[409433da]	1696	{ $$ = DeclarationNode::Monitor; }
[d3bc0ad]	1697	\| THREAD
[409433da]	1698	{ $$ = DeclarationNode::Thread; }
[4d51835]	1699	;
[51b7345]	1700
	1701	field_declaration_list:
[5d125e4]	1702	// empty
[58dd019]	1703	{ $$ = nullptr; }
[4d51835]	1704	\| field_declaration_list field_declaration
[a7741435]	1705	{ $$ = $1 ? $1->appendList( $2 ) : $2; }
[4d51835]	1706	;
[51b7345]	1707
	1708	field_declaration:
[c0aa336]	1709	cfa_field_declaring_list ';' // CFA, new style field declaration
	1710	\| EXTENSION cfa_field_declaring_list ';' // GCC
	1711	{
	1712	distExt( $2 ); // mark all fields in list
[8e9cbb2]	1713	$$ = $2;
	1714	}
[c0aa336]	1715	\| type_specifier field_declaring_list ';'
	1716	{
	1717	$$ = distAttr( $1, $2 ); }
	1718	\| EXTENSION type_specifier field_declaring_list ';' // GCC
	1719	{
	1720	distExt( $3 ); // mark all fields in list
	1721	$$ = distAttr( $2, $3 );
	1722	}
[4d51835]	1723	;
[b87a5ed]	1724
[c0aa336]	1725	cfa_field_declaring_list: // CFA, new style field declaration
	1726	cfa_abstract_declarator_tuple // CFA, no field name
	1727	\| cfa_abstract_declarator_tuple no_attr_identifier_or_type_name
[4d51835]	1728	{ $$ = $1->addName( $2 ); }
[c0aa336]	1729	\| cfa_field_declaring_list ',' no_attr_identifier_or_type_name
[4d51835]	1730	{ $$ = $1->appendList( $1->cloneType( $3 ) ); }
[c0aa336]	1731	\| cfa_field_declaring_list ',' // CFA, no field name
[4d51835]	1732	{ $$ = $1->appendList( $1->cloneType( 0 ) ); }
	1733	;
[51b7345]	1734
	1735	field_declaring_list:
[c0aa336]	1736	field_declarator
[4d51835]	1737	\| field_declaring_list ',' attribute_list_opt field_declarator
[c0aa336]	1738	{ $$ = $1->appendList( $4->addQualifiers( $3 ) ); }
[4d51835]	1739	;
[51b7345]	1740
	1741	field_declarator:
[4d51835]	1742	// empty
	1743	{ $$ = DeclarationNode::newName( 0 ); /* XXX */ } // CFA, no field name
[6f95000]	1744	// '@'
	1745	// { $$ = DeclarationNode::newName( new string( DeclarationNode::anonymous.newName() ) ); } // CFA, no field name
[4d51835]	1746	\| bit_subrange_size // no field name
	1747	{ $$ = DeclarationNode::newBitfield( $1 ); }
	1748	\| variable_declarator bit_subrange_size_opt
	1749	// A semantic check is required to ensure bit_subrange only appears on base type int.
	1750	{ $$ = $1->addBitfield( $2 ); }
[c6b1105]	1751	\| variable_type_redeclarator bit_subrange_size_opt
[4d51835]	1752	// A semantic check is required to ensure bit_subrange only appears on base type int.
	1753	{ $$ = $1->addBitfield( $2 ); }
	1754	\| variable_abstract_declarator // CFA, no field name
	1755	;
[51b7345]	1756
	1757	bit_subrange_size_opt:
[4d51835]	1758	// empty
[58dd019]	1759	{ $$ = nullptr; }
[4d51835]	1760	\| bit_subrange_size
	1761	{ $$ = $1; }
	1762	;
[51b7345]	1763
	1764	bit_subrange_size:
[4d51835]	1765	':' constant_expression
	1766	{ $$ = $2; }
	1767	;
[51b7345]	1768
[d0ffed1]	1769	enum_type: // enum
[c0aa336]	1770	ENUM attribute_list_opt '{' enumerator_list comma_opt '}'
[6f95000]	1771	{ $$ = DeclarationNode::newEnum( new string( DeclarationNode::anonymous.newName() ), $4, true )->addQualifiers( $2 ); }
[c0aa336]	1772	\| ENUM attribute_list_opt no_attr_identifier_or_type_name
[d0ffed1]	1773	{ typedefTable.makeTypedef( *$3 ); }
	1774	'{' enumerator_list comma_opt '}'
	1775	{ $$ = DeclarationNode::newEnum( $3, $6, true )->addQualifiers( $2 ); }
	1776	\| enum_type_nobody
	1777	;
	1778
	1779	enum_type_nobody: // enum - {...}
	1780	ENUM attribute_list_opt no_attr_identifier_or_type_name
[45161b4d]	1781	{
[c0aa336]	1782	typedefTable.makeTypedef( *$3 );
[ca1a547]	1783	$$ = DeclarationNode::newEnum( $3, 0, false )->addQualifiers( $2 );
[45161b4d]	1784	}
[4d51835]	1785	;
[51b7345]	1786
	1787	enumerator_list:
[2871210]	1788	no_attr_identifier_or_type_name enumerator_value_opt
[4d51835]	1789	{ $$ = DeclarationNode::newEnumConstant( $1, $2 ); }
[2871210]	1790	\| enumerator_list ',' no_attr_identifier_or_type_name enumerator_value_opt
[4d51835]	1791	{ $$ = $1->appendList( DeclarationNode::newEnumConstant( $3, $4 ) ); }
	1792	;
[51b7345]	1793
	1794	enumerator_value_opt:
[4d51835]	1795	// empty
[58dd019]	1796	{ $$ = nullptr; }
[4d51835]	1797	\| '=' constant_expression
	1798	{ $$ = $2; }
	1799	;
[51b7345]	1800
[c11e31c]	1801	// Minimum of one parameter after which ellipsis is allowed only at the end.
[51b7345]	1802
[c0aa336]	1803	cfa_parameter_type_list_opt: // CFA
[4d51835]	1804	// empty
[58dd019]	1805	{ $$ = nullptr; }
[c0aa336]	1806	\| cfa_parameter_type_list
[4d51835]	1807	;
[b87a5ed]	1808
[c0aa336]	1809	cfa_parameter_type_list: // CFA, abstract + real
	1810	cfa_abstract_parameter_list
	1811	\| cfa_parameter_list
	1812	\| cfa_parameter_list pop ',' push cfa_abstract_parameter_list
[4d51835]	1813	{ $$ = $1->appendList( $5 ); }
[c0aa336]	1814	\| cfa_abstract_parameter_list pop ',' push ELLIPSIS
[4d51835]	1815	{ $$ = $1->addVarArgs(); }
[c0aa336]	1816	\| cfa_parameter_list pop ',' push ELLIPSIS
[4d51835]	1817	{ $$ = $1->addVarArgs(); }
	1818	;
[b87a5ed]	1819
[c0aa336]	1820	cfa_parameter_list: // CFA
	1821	// To obtain LR(1) between cfa_parameter_list and cfa_abstract_tuple, the last cfa_abstract_parameter_list is
	1822	// factored out from cfa_parameter_list, flattening the rules to get lookahead to the ']'.
	1823	cfa_parameter_declaration
	1824	\| cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
[4d51835]	1825	{ $$ = $1->appendList( $5 ); }
[c0aa336]	1826	\| cfa_parameter_list pop ',' push cfa_parameter_declaration
[4d51835]	1827	{ $$ = $1->appendList( $5 ); }
[c0aa336]	1828	\| cfa_parameter_list pop ',' push cfa_abstract_parameter_list pop ',' push cfa_parameter_declaration
[4d51835]	1829	{ $$ = $1->appendList( $5 )->appendList( $9 ); }
	1830	;
[b87a5ed]	1831
[c0aa336]	1832	cfa_abstract_parameter_list: // CFA, new & old style abstract
	1833	cfa_abstract_parameter_declaration
	1834	\| cfa_abstract_parameter_list pop ',' push cfa_abstract_parameter_declaration
[4d51835]	1835	{ $$ = $1->appendList( $5 ); }
	1836	;
[51b7345]	1837
	1838	parameter_type_list_opt:
[4d51835]	1839	// empty
[58dd019]	1840	{ $$ = nullptr; }
[4d51835]	1841	\| parameter_type_list
	1842	;
[51b7345]	1843
	1844	parameter_type_list:
[4d51835]	1845	parameter_list
	1846	\| parameter_list pop ',' push ELLIPSIS
	1847	{ $$ = $1->addVarArgs(); }
	1848	;
[b87a5ed]	1849
	1850	parameter_list: // abstract + real
[4d51835]	1851	abstract_parameter_declaration
	1852	\| parameter_declaration
	1853	\| parameter_list pop ',' push abstract_parameter_declaration
	1854	{ $$ = $1->appendList( $5 ); }
	1855	\| parameter_list pop ',' push parameter_declaration
	1856	{ $$ = $1->appendList( $5 ); }
	1857	;
[51b7345]	1858
[de62360d]	1859	// Provides optional identifier names (abstract_declarator/variable_declarator), no initialization, different semantics
[2871210]	1860	// for typedef name by using type_parameter_redeclarator instead of typedef_redeclarator, and function prototypes.
[51b7345]	1861
[c0aa336]	1862	cfa_parameter_declaration: // CFA, new & old style parameter declaration
[4d51835]	1863	parameter_declaration
[994d080]	1864	\| cfa_identifier_parameter_declarator_no_tuple identifier_or_type_name default_initialize_opt
[4d51835]	1865	{ $$ = $1->addName( $2 ); }
[994d080]	1866	\| cfa_abstract_tuple identifier_or_type_name default_initialize_opt
[c0aa336]	1867	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
[4d51835]	1868	{ $$ = $1->addName( $2 ); }
[994d080]	1869	\| type_qualifier_list cfa_abstract_tuple identifier_or_type_name default_initialize_opt
[4d51835]	1870	{ $$ = $2->addName( $3 )->addQualifiers( $1 ); }
[c0aa336]	1871	\| cfa_function_specifier
[4d51835]	1872	;
[b87a5ed]	1873
[c0aa336]	1874	cfa_abstract_parameter_declaration: // CFA, new & old style parameter declaration
[4d51835]	1875	abstract_parameter_declaration
[c0aa336]	1876	\| cfa_identifier_parameter_declarator_no_tuple
	1877	\| cfa_abstract_tuple
	1878	// To obtain LR(1), these rules must be duplicated here (see cfa_abstract_declarator).
	1879	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	1880	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	1881	\| cfa_abstract_function
[4d51835]	1882	;
[51b7345]	1883
	1884	parameter_declaration:
[d0ffed1]	1885	// No SUE declaration in parameter list.
[994d080]	1886	declaration_specifier_nobody identifier_parameter_declarator default_initialize_opt
[4d51835]	1887	{
	1888	typedefTable.addToEnclosingScope( TypedefTable::ID );
[a7741435]	1889	$$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr );
[4d51835]	1890	}
[994d080]	1891	\| declaration_specifier_nobody type_parameter_redeclarator default_initialize_opt
[4d51835]	1892	{
	1893	typedefTable.addToEnclosingScope( TypedefTable::ID );
[a7741435]	1894	$$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr );
[4d51835]	1895	}
	1896	;
[51b7345]	1897
	1898	abstract_parameter_declaration:
[994d080]	1899	declaration_specifier_nobody default_initialize_opt
[e7cc8cb]	1900	{ $$ = $1->addInitializer( $2 ? new InitializerNode( $2 ) : nullptr ); }
[994d080]	1901	\| declaration_specifier_nobody abstract_parameter_declarator default_initialize_opt
[e7cc8cb]	1902	{ $$ = $2->addType( $1 )->addInitializer( $3 ? new InitializerNode( $3 ) : nullptr ); }
[4d51835]	1903	;
[51b7345]	1904
[c11e31c]	1905	// ISO/IEC 9899:1999 Section 6.9.1(6) : "An identifier declared as a typedef name shall not be redeclared as a
[de62360d]	1906	// parameter." Because the scope of the K&R-style parameter-list sees the typedef first, the following is based only on
	1907	// identifiers. The ANSI-style parameter-list can redefine a typedef name.
[51b7345]	1908
[b87a5ed]	1909	identifier_list: // K&R-style parameter list => no types
[4d51835]	1910	no_attr_identifier
	1911	{ $$ = DeclarationNode::newName( $1 ); }
	1912	\| identifier_list ',' no_attr_identifier
	1913	{ $$ = $1->appendList( DeclarationNode::newName( $3 ) ); }
	1914	;
[51b7345]	1915
[2871210]	1916	identifier_or_type_name:
[4d51835]	1917	identifier
	1918	\| TYPEDEFname
	1919	\| TYPEGENname
	1920	;
[51b7345]	1921
[2871210]	1922	no_attr_identifier_or_type_name:
[4d51835]	1923	no_attr_identifier
	1924	\| TYPEDEFname
[721f17a]	1925	\| TYPEGENname
[4d51835]	1926	;
[b87a5ed]	1927
[84d58c5]	1928	type_no_function: // sizeof, alignof, cast (constructor)
[c0aa336]	1929	cfa_abstract_declarator_tuple // CFA
[4d51835]	1930	\| type_specifier
[c0aa336]	1931	\| type_specifier abstract_declarator
[4d51835]	1932	{ $$ = $2->addType( $1 ); }
	1933	;
[b87a5ed]	1934
[84d58c5]	1935	type: // typeof, assertion
	1936	type_no_function
[c0aa336]	1937	\| cfa_abstract_function // CFA
[4d51835]	1938	;
[51b7345]	1939
	1940	initializer_opt:
[4d51835]	1941	// empty
[58dd019]	1942	{ $$ = nullptr; }
[2871210]	1943	\| '=' initializer
	1944	{ $$ = $2; }
[641c3d0]	1945	\| '=' VOID
	1946	{ $$ = nullptr; }
[097e2b0]	1947	\| ATassign initializer
[974906e2]	1948	{ $$ = $2->set_maybeConstructed( false ); }
[4d51835]	1949	;
[51b7345]	1950
	1951	initializer:
[de62360d]	1952	assignment_expression { $$ = new InitializerNode( $1 ); }
	1953	\| '{' initializer_list comma_opt '}' { $$ = new InitializerNode( $2, true ); }
[4d51835]	1954	;
[51b7345]	1955
	1956	initializer_list:
[097e2b0]	1957	// empty
[58dd019]	1958	{ $$ = nullptr; }
[097e2b0]	1959	\| initializer
[4d51835]	1960	\| designation initializer { $$ = $2->set_designators( $1 ); }
[1d4580a]	1961	\| initializer_list ',' initializer { $$ = (InitializerNode *)( $1->set_last( $3 ) ); }
[4d51835]	1962	\| initializer_list ',' designation initializer
[1d4580a]	1963	{ $$ = (InitializerNode *)( $1->set_last( $4->set_designators( $3 ) ) ); }
[4d51835]	1964	;
[b87a5ed]	1965
[de62360d]	1966	// There is an unreconcileable parsing problem between C99 and CFA with respect to designators. The problem is use of
	1967	// '=' to separator the designator from the initializer value, as in:
[c11e31c]	1968	//
[b87a5ed]	1969	// int x[10] = { [1] = 3 };
[c11e31c]	1970	//
[de62360d]	1971	// The string "[1] = 3" can be parsed as a designator assignment or a tuple assignment. To disambiguate this case, CFA
	1972	// changes the syntax from "=" to ":" as the separator between the designator and initializer. GCC does uses ":" for
	1973	// field selection. The optional use of the "=" in GCC, or in this case ":", cannot be supported either due to
	1974	// shift/reduce conflicts
[51b7345]	1975
	1976	designation:
[4d51835]	1977	designator_list ':' // C99, CFA uses ":" instead of "="
[84d58c5]	1978	\| no_attr_identifier ':' // GCC, field name
[d1625f8]	1979	{ $$ = new ExpressionNode( build_varref( $1 ) ); }
[4d51835]	1980	;
[51b7345]	1981
[b87a5ed]	1982	designator_list: // C99
[4d51835]	1983	designator
[2871210]	1984	\| designator_list designator
[1d4580a]	1985	{ $$ = (ExpressionNode *)( $1->set_last( $2 ) ); }
[d1625f8]	1986	//\| designator_list designator { $$ = new ExpressionNode( $1, $2 ); }
[4d51835]	1987	;
[51b7345]	1988
	1989	designator:
[84d58c5]	1990	'.' no_attr_identifier // C99, field name
[d1625f8]	1991	{ $$ = new ExpressionNode( build_varref( $2 ) ); }
[4d51835]	1992	\| '[' push assignment_expression pop ']' // C99, single array element
[de62360d]	1993	// assignment_expression used instead of constant_expression because of shift/reduce conflicts with tuple.
[d1625f8]	1994	{ $$ = $3; }
[4d51835]	1995	\| '[' push subrange pop ']' // CFA, multiple array elements
[d1625f8]	1996	{ $$ = $3; }
[4d51835]	1997	\| '[' push constant_expression ELLIPSIS constant_expression pop ']' // GCC, multiple array elements
[d1625f8]	1998	{ $$ = new ExpressionNode( build_range( $3, $5 ) ); }
[4d51835]	1999	\| '.' '[' push field_list pop ']' // CFA, tuple field selector
[d1625f8]	2000	{ $$ = $4; }
[4d51835]	2001	;
[51b7345]	2002
[de62360d]	2003	// The CFA type system is based on parametric polymorphism, the ability to declare functions with type parameters,
	2004	// rather than an object-oriented type system. This required four groups of extensions:
[c11e31c]	2005	//
	2006	// Overloading: function, data, and operator identifiers may be overloaded.
	2007	//
[de62360d]	2008	// Type declarations: "type" is used to generate new types for declaring objects. Similarly, "dtype" is used for object
	2009	// and incomplete types, and "ftype" is used for function types. Type declarations with initializers provide
	2010	// definitions of new types. Type declarations with storage class "extern" provide opaque types.
[c11e31c]	2011	//
[de62360d]	2012	// Polymorphic functions: A forall clause declares a type parameter. The corresponding argument is inferred at the call
	2013	// site. A polymorphic function is not a template; it is a function, with an address and a type.
[c11e31c]	2014	//
	2015	// Specifications and Assertions: Specifications are collections of declarations parameterized by one or more
[de62360d]	2016	// types. They serve many of the purposes of abstract classes, and specification hierarchies resemble subclass
	2017	// hierarchies. Unlike classes, they can define relationships between types. Assertions declare that a type or
	2018	// types provide the operations declared by a specification. Assertions are normally used to declare requirements
	2019	// on type arguments of polymorphic functions.
[c11e31c]	2020
[b87a5ed]	2021	type_parameter_list: // CFA
[67cf18c]	2022	type_parameter
	2023	{ $$ = $1; }
	2024	\| type_parameter_list ',' type_parameter
[4d51835]	2025	{ $$ = $1->appendList( $3 ); }
	2026	;
[b87a5ed]	2027
[84d58c5]	2028	type_initializer_opt: // CFA
	2029	// empty
	2030	{ $$ = nullptr; }
	2031	\| '=' type
	2032	{ $$ = $2; }
	2033	;
	2034
[b87a5ed]	2035	type_parameter: // CFA
[2871210]	2036	type_class no_attr_identifier_or_type_name
	2037	{ typedefTable.addToEnclosingScope( *$2, TypedefTable::TD ); }
[67cf18c]	2038	type_initializer_opt assertion_list_opt
	2039	{ $$ = DeclarationNode::newTypeParam( $1, $2 )->addTypeInitializer( $4 )->addAssertions( $5 ); }
[4d51835]	2040	\| type_specifier identifier_parameter_declarator
	2041	;
[b87a5ed]	2042
	2043	type_class: // CFA
[4040425]	2044	OTYPE
[5b639ee]	2045	{ $$ = DeclarationNode::Otype; }
[4d51835]	2046	\| DTYPE
	2047	{ $$ = DeclarationNode::Dtype; }
[8f60f0b]	2048	\| FTYPE
	2049	{ $$ = DeclarationNode::Ftype; }
	2050	\| TTYPE
	2051	{ $$ = DeclarationNode::Ttype; }
[4d51835]	2052	;
[b87a5ed]	2053
	2054	assertion_list_opt: // CFA
[4d51835]	2055	// empty
[58dd019]	2056	{ $$ = nullptr; }
[4d51835]	2057	\| assertion_list_opt assertion
[a7741435]	2058	{ $$ = $1 ? $1->appendList( $2 ) : $2; }
[4d51835]	2059	;
[b87a5ed]	2060
	2061	assertion: // CFA
[84d58c5]	2062	'\|' no_attr_identifier_or_type_name '(' type_list ')'
[4d51835]	2063	{
[4040425]	2064	typedefTable.openTrait( *$2 );
	2065	$$ = DeclarationNode::newTraitUse( $2, $4 );
[4d51835]	2066	}
[4040425]	2067	\| '\|' '{' push trait_declaration_list '}'
[4d51835]	2068	{ $$ = $4; }
[84d58c5]	2069	\| '\|' '(' push type_parameter_list pop ')' '{' push trait_declaration_list '}' '(' type_list ')'
[58dd019]	2070	{ $$ = nullptr; }
[4d51835]	2071	;
[b87a5ed]	2072
[84d58c5]	2073	type_list: // CFA
	2074	type
[d1625f8]	2075	{ $$ = new ExpressionNode( build_typevalue( $1 ) ); }
[4d51835]	2076	\| assignment_expression
[84d58c5]	2077	\| type_list ',' type
[1d4580a]	2078	{ $$ = (ExpressionNode *)( $1->set_last( new ExpressionNode( build_typevalue( $3 ) ) ) ); }
[84d58c5]	2079	\| type_list ',' assignment_expression
[1d4580a]	2080	{ $$ = (ExpressionNode *)( $1->set_last( $3 )); }
[4d51835]	2081	;
[b87a5ed]	2082
	2083	type_declaring_list: // CFA
[4040425]	2084	OTYPE type_declarator
[4d51835]	2085	{ $$ = $2; }
[4040425]	2086	\| storage_class_list OTYPE type_declarator
[4d51835]	2087	{ $$ = $3->addQualifiers( $1 ); }
	2088	\| type_declaring_list ',' type_declarator
[a7c90d4]	2089	{ $$ = $1->appendList( $3->copySpecifiers( $1 ) ); }
[4d51835]	2090	;
[b87a5ed]	2091
	2092	type_declarator: // CFA
[4d51835]	2093	type_declarator_name assertion_list_opt
	2094	{ $$ = $1->addAssertions( $2 ); }
[84d58c5]	2095	\| type_declarator_name assertion_list_opt '=' type
[4d51835]	2096	{ $$ = $1->addAssertions( $2 )->addType( $4 ); }
	2097	;
[b87a5ed]	2098
	2099	type_declarator_name: // CFA
[2871210]	2100	no_attr_identifier_or_type_name
[4d51835]	2101	{
[de62360d]	2102	typedefTable.addToEnclosingScope( *$1, TypedefTable::TD );
[4d51835]	2103	$$ = DeclarationNode::newTypeDecl( $1, 0 );
	2104	}
[84d58c5]	2105	\| no_attr_identifier_or_type_name '(' push type_parameter_list pop ')'
[4d51835]	2106	{
[de62360d]	2107	typedefTable.addToEnclosingScope( *$1, TypedefTable::TG );
[4d51835]	2108	$$ = DeclarationNode::newTypeDecl( $1, $4 );
	2109	}
	2110	;
[b87a5ed]	2111
[4040425]	2112	trait_specifier: // CFA
	2113	TRAIT no_attr_identifier_or_type_name '(' push type_parameter_list pop ')' '{' '}'
[4d51835]	2114	{
[de62360d]	2115	typedefTable.addToEnclosingScope( *$2, TypedefTable::ID );
[4040425]	2116	$$ = DeclarationNode::newTrait( $2, $5, 0 );
[4d51835]	2117	}
[4040425]	2118	\| TRAIT no_attr_identifier_or_type_name '(' push type_parameter_list pop ')' '{'
[4d51835]	2119	{
[4040425]	2120	typedefTable.enterTrait( *$2 );
[4d51835]	2121	typedefTable.enterScope();
	2122	}
[4040425]	2123	trait_declaration_list '}'
[4d51835]	2124	{
[4040425]	2125	typedefTable.leaveTrait();
[de62360d]	2126	typedefTable.addToEnclosingScope( *$2, TypedefTable::ID );
[4040425]	2127	$$ = DeclarationNode::newTrait( $2, $5, $10 );
[4d51835]	2128	}
	2129	;
[b87a5ed]	2130
[84d58c5]	2131	trait_declaration_list: // CFA
[4040425]	2132	trait_declaration
	2133	\| trait_declaration_list push trait_declaration
[4d51835]	2134	{ $$ = $1->appendList( $3 ); }
	2135	;
[b87a5ed]	2136
[84d58c5]	2137	trait_declaration: // CFA
[c0aa336]	2138	cfa_trait_declaring_list pop ';'
[4040425]	2139	\| trait_declaring_list pop ';'
[4d51835]	2140	;
[b87a5ed]	2141
[c0aa336]	2142	cfa_trait_declaring_list: // CFA
	2143	cfa_variable_specifier
[4d51835]	2144	{
	2145	typedefTable.addToEnclosingScope2( TypedefTable::ID );
	2146	$$ = $1;
	2147	}
[c0aa336]	2148	\| cfa_function_specifier
[4d51835]	2149	{
	2150	typedefTable.addToEnclosingScope2( TypedefTable::ID );
	2151	$$ = $1;
	2152	}
[c0aa336]	2153	\| cfa_trait_declaring_list pop ',' push identifier_or_type_name
[4d51835]	2154	{
[de62360d]	2155	typedefTable.addToEnclosingScope2( *$5, TypedefTable::ID );
[4d51835]	2156	$$ = $1->appendList( $1->cloneType( $5 ) );
	2157	}
	2158	;
[b87a5ed]	2159
[4040425]	2160	trait_declaring_list: // CFA
[4d51835]	2161	type_specifier declarator
	2162	{
	2163	typedefTable.addToEnclosingScope2( TypedefTable::ID );
	2164	$$ = $2->addType( $1 );
	2165	}
[4040425]	2166	\| trait_declaring_list pop ',' push declarator
[4d51835]	2167	{
	2168	typedefTable.addToEnclosingScope2( TypedefTable::ID );
	2169	$$ = $1->appendList( $1->cloneBaseType( $5 ) );
	2170	}
	2171	;
[51b7345]	2172
[c11e31c]	2173	//*************************** EXTERNAL DEFINITIONS ***************************
[51b7345]	2174
	2175	translation_unit:
[4d51835]	2176	// empty
	2177	{} // empty input file
	2178	\| external_definition_list
[a7741435]	2179	{ parseTree = parseTree ? parseTree->appendList( $1 ) : $1; }
[4d51835]	2180	;
[51b7345]	2181
	2182	external_definition_list:
[4d51835]	2183	external_definition
	2184	\| external_definition_list push external_definition
[a7741435]	2185	{ $$ = $1 ? $1->appendList( $3 ) : $3; }
[4d51835]	2186	;
[51b7345]	2187
	2188	external_definition_list_opt:
[4d51835]	2189	// empty
[58dd019]	2190	{ $$ = nullptr; }
[4d51835]	2191	\| external_definition_list
	2192	;
[51b7345]	2193
	2194	external_definition:
[4d51835]	2195	declaration
	2196	\| external_function_definition
[e994912]	2197	\| ASM '(' string_literal ')' ';' // GCC, global assembler statement
	2198	{
	2199	$$ = DeclarationNode::newAsmStmt( new StatementNode( build_asmstmt( false, $3, 0 ) ) );
	2200	}
[c0aa336]	2201	\| EXTERN STRINGliteral // C++-style linkage specifier
[4d51835]	2202	{
[3b8e52c]	2203	linkageStack.push( linkage ); // handle nested extern "C"/"Cforall"
[0fc9756b]	2204	linkage = LinkageSpec::linkageUpdate( linkage, $2 );
[4d51835]	2205	}
[c0aa336]	2206	'{' external_definition_list_opt '}'
[4d51835]	2207	{
	2208	linkage = linkageStack.top();
	2209	linkageStack.pop();
	2210	$$ = $5;
	2211	}
[c0aa336]	2212	\| EXTENSION external_definition // GCC, multiple __extension__ allowed, meaning unknown
	2213	{
	2214	distExt( $2 ); // mark all fields in list
[8e9cbb2]	2215	$$ = $2;
	2216	}
[4d51835]	2217	;
	2218
	2219	external_function_definition:
	2220	function_definition
[de62360d]	2221	// These rules are a concession to the "implicit int" type_specifier because there is a significant amount of
[c6b1105]	2222	// legacy code with global functions missing the type-specifier for the return type, and assuming "int".
	2223	// Parsing is possible because function_definition does not appear in the context of an expression (nested
	2224	// functions preclude this concession, i.e., all nested function must have a return type). A function prototype
	2225	// declaration must still have a type_specifier. OBSOLESCENT (see 1)
[4d51835]	2226	\| function_declarator compound_statement
	2227	{
	2228	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2229	typedefTable.leaveScope();
	2230	$$ = $1->addFunctionBody( $2 );
	2231	}
[c0aa336]	2232	\| KR_function_declarator push KR_declaration_list_opt compound_statement
[4d51835]	2233	{
	2234	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2235	typedefTable.leaveScope();
	2236	$$ = $1->addOldDeclList( $3 )->addFunctionBody( $4 );
	2237	}
	2238	;
[51b7345]	2239
[8b47e50]	2240	with_clause_opt:
	2241	// empty
	2242	{ $$ = (StatementNode *)0; } // FIX ME
[578e6037]	2243	\| WITH '(' tuple_expression_list ')'
[8b47e50]	2244	{ $$ = (StatementNode *)0; } // FIX ME
	2245	;
	2246
[51b7345]	2247	function_definition:
[8b47e50]	2248	cfa_function_declaration with_clause_opt compound_statement // CFA
[4d51835]	2249	{
	2250	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2251	typedefTable.leaveScope();
[8b47e50]	2252	$$ = $1->addFunctionBody( $3 );
[4d51835]	2253	}
[8b47e50]	2254	\| declaration_specifier function_declarator with_clause_opt compound_statement
[4d51835]	2255	{
	2256	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2257	typedefTable.leaveScope();
[8b47e50]	2258	$$ = $2->addFunctionBody( $4 )->addType( $1 );
[4d51835]	2259	}
[8b47e50]	2260	\| type_qualifier_list function_declarator with_clause_opt compound_statement
[4d51835]	2261	{
	2262	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2263	typedefTable.leaveScope();
[8b47e50]	2264	$$ = $2->addFunctionBody( $4 )->addQualifiers( $1 );
[4d51835]	2265	}
[8b47e50]	2266	\| declaration_qualifier_list function_declarator with_clause_opt compound_statement
[4d51835]	2267	{
	2268	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2269	typedefTable.leaveScope();
[8b47e50]	2270	$$ = $2->addFunctionBody( $4 )->addQualifiers( $1 );
[4d51835]	2271	}
[8b47e50]	2272	\| declaration_qualifier_list type_qualifier_list function_declarator with_clause_opt compound_statement
[4d51835]	2273	{
	2274	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2275	typedefTable.leaveScope();
[8b47e50]	2276	$$ = $3->addFunctionBody( $5 )->addQualifiers( $2 )->addQualifiers( $1 );
[4d51835]	2277	}
	2278
	2279	// Old-style K&R function definition, OBSOLESCENT (see 4)
[8b47e50]	2280	\| declaration_specifier KR_function_declarator push KR_declaration_list_opt with_clause_opt compound_statement
[4d51835]	2281	{
	2282	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2283	typedefTable.leaveScope();
[8b47e50]	2284	$$ = $2->addOldDeclList( $4 )->addFunctionBody( $6 )->addType( $1 );
[4d51835]	2285	}
[8b47e50]	2286	\| type_qualifier_list KR_function_declarator push KR_declaration_list_opt with_clause_opt compound_statement
[4d51835]	2287	{
	2288	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2289	typedefTable.leaveScope();
[8b47e50]	2290	$$ = $2->addOldDeclList( $4 )->addFunctionBody( $6 )->addQualifiers( $1 );
[4d51835]	2291	}
	2292
	2293	// Old-style K&R function definition with "implicit int" type_specifier, OBSOLESCENT (see 4)
[8b47e50]	2294	\| declaration_qualifier_list KR_function_declarator push KR_declaration_list_opt with_clause_opt compound_statement
[4d51835]	2295	{
	2296	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2297	typedefTable.leaveScope();
[8b47e50]	2298	$$ = $2->addOldDeclList( $4 )->addFunctionBody( $6 )->addQualifiers( $1 );
[4d51835]	2299	}
[8b47e50]	2300	\| declaration_qualifier_list type_qualifier_list KR_function_declarator push KR_declaration_list_opt with_clause_opt compound_statement
[4d51835]	2301	{
	2302	typedefTable.addToEnclosingScope( TypedefTable::ID );
	2303	typedefTable.leaveScope();
[8b47e50]	2304	$$ = $3->addOldDeclList( $5 )->addFunctionBody( $7 )->addQualifiers( $2 )->addQualifiers( $1 );
[4d51835]	2305	}
	2306	;
[51b7345]	2307
	2308	declarator:
[4d51835]	2309	variable_declarator
[c6b1105]	2310	\| variable_type_redeclarator
[4d51835]	2311	\| function_declarator
	2312	;
[51b7345]	2313
	2314	subrange:
[4d51835]	2315	constant_expression '~' constant_expression // CFA, integer subrange
[d1625f8]	2316	{ $$ = new ExpressionNode( build_range( $1, $3 ) ); }
[4d51835]	2317	;
[b87a5ed]	2318
	2319	asm_name_opt: // GCC
[4d51835]	2320	// empty
[58dd019]	2321	{ $$ = nullptr; }
	2322	\| ASM '(' string_literal ')' attribute_list_opt
[c0aa336]	2323	{
	2324	DeclarationNode * name = new DeclarationNode();
	2325	name->asmName = $3;
	2326	$$ = name->addQualifiers( $5 );
	2327	}
[4d51835]	2328	;
[b87a5ed]	2329
	2330	attribute_list_opt: // GCC
[4d51835]	2331	// empty
[58dd019]	2332	{ $$ = nullptr; }
[4d51835]	2333	\| attribute_list
	2334	;
[b87a5ed]	2335
	2336	attribute_list: // GCC
[4d51835]	2337	attribute
	2338	\| attribute_list attribute
[1db21619]	2339	{ $$ = $2->addQualifiers( $1 ); }
[4d51835]	2340	;
[b87a5ed]	2341
	2342	attribute: // GCC
[44a81853]	2343	ATTRIBUTE '(' '(' attribute_name_list ')' ')'
	2344	{ $$ = $4; }
[4d51835]	2345	;
[b87a5ed]	2346
[44a81853]	2347	attribute_name_list: // GCC
	2348	attribute_name
	2349	\| attribute_name_list ',' attribute_name
[c0aa336]	2350	{ $$ = $3->addQualifiers( $1 ); }
[4d51835]	2351	;
[b87a5ed]	2352
[44a81853]	2353	attribute_name: // GCC
[4d51835]	2354	// empty
[44a81853]	2355	{ $$ = nullptr; }
	2356	\| attr_name
	2357	{ $$ = DeclarationNode::newAttribute( $1 ); }
	2358	\| attr_name '(' argument_expression_list ')'
	2359	{ $$ = DeclarationNode::newAttribute( $1, $3 ); }
[4d51835]	2360	;
[b87a5ed]	2361
[44a81853]	2362	attr_name: // GCC
	2363	IDENTIFIER
	2364	\| TYPEDEFname
	2365	\| TYPEGENname
	2366	\| CONST
[9ff56e7]	2367	{ $$ = Token{ new string( "__const__" ), { nullptr, -1 } }; }
[4d51835]	2368	;
[51b7345]	2369
[c11e31c]	2370	// ============================================================================
[de62360d]	2371	// The following sections are a series of grammar patterns used to parse declarators. Multiple patterns are necessary
	2372	// because the type of an identifier in wrapped around the identifier in the same form as its usage in an expression, as
	2373	// in:
[c11e31c]	2374	//
[b87a5ed]	2375	// int (*f())[10] { ... };
	2376	// ... (*f())[3] += 1; // definition mimics usage
[c11e31c]	2377	//
[de62360d]	2378	// Because these patterns are highly recursive, changes at a lower level in the recursion require copying some or all of
	2379	// the pattern. Each of these patterns has some subtle variation to ensure correct syntax in a particular context.
[c11e31c]	2380	// ============================================================================
	2381
	2382	// ----------------------------------------------------------------------------
[de62360d]	2383	// The set of valid declarators before a compound statement for defining a function is less than the set of declarators
	2384	// to define a variable or function prototype, e.g.:
[c11e31c]	2385	//
[b87a5ed]	2386	// valid declaration invalid definition
	2387	// ----------------- ------------------
[4d51835]	2388	// int f; int f {}
	2389	// int f; int f {}
[b87a5ed]	2390	// int f[10]; int f[10] {}
[4d51835]	2391	// int (f)(int); int (f)(int) {}
[c11e31c]	2392	//
[de62360d]	2393	// To preclude this syntactic anomaly requires separating the grammar rules for variable and function declarators, hence
	2394	// variable_declarator and function_declarator.
[c11e31c]	2395	// ----------------------------------------------------------------------------
	2396
[de62360d]	2397	// This pattern parses a declaration of a variable that is not redefining a typedef name. The pattern precludes
	2398	// declaring an array of functions versus a pointer to an array of functions.
[51b7345]	2399
	2400	variable_declarator:
[4d51835]	2401	paren_identifier attribute_list_opt
[1db21619]	2402	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2403	\| variable_ptr
	2404	\| variable_array attribute_list_opt
[1db21619]	2405	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2406	\| variable_function attribute_list_opt
[1db21619]	2407	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2408	;
[51b7345]	2409
	2410	paren_identifier:
[4d51835]	2411	identifier
	2412	{
[de62360d]	2413	typedefTable.setNextIdentifier( *$1 );
[4d51835]	2414	$$ = DeclarationNode::newName( $1 );
	2415	}
	2416	\| '(' paren_identifier ')' // redundant parenthesis
	2417	{ $$ = $2; }
	2418	;
[51b7345]	2419
	2420	variable_ptr:
[dd51906]	2421	ptrref_operator variable_declarator
[4d51835]	2422	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2423	\| ptrref_operator type_qualifier_list variable_declarator
[4d51835]	2424	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2425	\| '(' variable_ptr ')' attribute_list_opt
	2426	{ $$ = $2->addQualifiers( $4 ); } // redundant parenthesis
[4d51835]	2427	;
[51b7345]	2428
	2429	variable_array:
[4d51835]	2430	paren_identifier array_dimension
	2431	{ $$ = $1->addArray( $2 ); }
	2432	\| '(' variable_ptr ')' array_dimension
	2433	{ $$ = $2->addArray( $4 ); }
	2434	\| '(' variable_array ')' multi_array_dimension // redundant parenthesis
	2435	{ $$ = $2->addArray( $4 ); }
	2436	\| '(' variable_array ')' // redundant parenthesis
	2437	{ $$ = $2; }
	2438	;
[51b7345]	2439
	2440	variable_function:
[4d51835]	2441	'(' variable_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2442	{ $$ = $2->addParamList( $6 ); }
	2443	\| '(' variable_function ')' // redundant parenthesis
	2444	{ $$ = $2; }
	2445	;
[51b7345]	2446
[c6b1105]	2447	// This pattern parses a function declarator that is not redefining a typedef name. For non-nested functions, there is
	2448	// no context where a function definition can redefine a typedef name, i.e., the typedef and function name cannot exist
	2449	// is the same scope. The pattern precludes returning arrays and functions versus pointers to arrays and functions.
[51b7345]	2450
	2451	function_declarator:
[4d51835]	2452	function_no_ptr attribute_list_opt
[1db21619]	2453	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2454	\| function_ptr
	2455	\| function_array attribute_list_opt
[1db21619]	2456	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2457	;
[51b7345]	2458
	2459	function_no_ptr:
[4d51835]	2460	paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2461	{ $$ = $1->addParamList( $4 ); }
	2462	\| '(' function_ptr ')' '(' push parameter_type_list_opt pop ')'
	2463	{ $$ = $2->addParamList( $6 ); }
	2464	\| '(' function_no_ptr ')' // redundant parenthesis
	2465	{ $$ = $2; }
	2466	;
[51b7345]	2467
	2468	function_ptr:
[dd51906]	2469	ptrref_operator function_declarator
[4d51835]	2470	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2471	\| ptrref_operator type_qualifier_list function_declarator
[4d51835]	2472	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
	2473	\| '(' function_ptr ')'
	2474	{ $$ = $2; }
	2475	;
[51b7345]	2476
	2477	function_array:
[4d51835]	2478	'(' function_ptr ')' array_dimension
	2479	{ $$ = $2->addArray( $4 ); }
	2480	\| '(' function_array ')' multi_array_dimension // redundant parenthesis
	2481	{ $$ = $2->addArray( $4 ); }
	2482	\| '(' function_array ')' // redundant parenthesis
	2483	{ $$ = $2; }
	2484	;
[51b7345]	2485
[c0aa336]	2486	// This pattern parses an old-style K&R function declarator (OBSOLESCENT, see 4)
	2487	//
	2488	// f( a, b, c ) int a, *b, c[]; {}
	2489	//
	2490	// that is not redefining a typedef name (see function_declarator for additional comments). The pattern precludes
	2491	// returning arrays and functions versus pointers to arrays and functions.
[51b7345]	2492
[c0aa336]	2493	KR_function_declarator:
	2494	KR_function_no_ptr
	2495	\| KR_function_ptr
	2496	\| KR_function_array
[4d51835]	2497	;
[51b7345]	2498
[c0aa336]	2499	KR_function_no_ptr:
[4d51835]	2500	paren_identifier '(' identifier_list ')' // function_declarator handles empty parameter
	2501	{ $$ = $1->addIdList( $3 ); }
[c0aa336]	2502	\| '(' KR_function_ptr ')' '(' push parameter_type_list_opt pop ')'
	2503	{ $$ = $2->addParamList( $6 ); }
	2504	\| '(' KR_function_no_ptr ')' // redundant parenthesis
[4d51835]	2505	{ $$ = $2; }
	2506	;
[51b7345]	2507
[c0aa336]	2508	KR_function_ptr:
	2509	ptrref_operator KR_function_declarator
[4d51835]	2510	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[c0aa336]	2511	\| ptrref_operator type_qualifier_list KR_function_declarator
[4d51835]	2512	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2513	\| '(' KR_function_ptr ')'
[4d51835]	2514	{ $$ = $2; }
	2515	;
[51b7345]	2516
[c0aa336]	2517	KR_function_array:
	2518	'(' KR_function_ptr ')' array_dimension
[4d51835]	2519	{ $$ = $2->addArray( $4 ); }
[c0aa336]	2520	\| '(' KR_function_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	2521	{ $$ = $2->addArray( $4 ); }
[c0aa336]	2522	\| '(' KR_function_array ')' // redundant parenthesis
[4d51835]	2523	{ $$ = $2; }
	2524	;
[51b7345]	2525
[2871210]	2526	// This pattern parses a declaration for a variable or function prototype that redefines a type name, e.g.:
[c11e31c]	2527	//
[b87a5ed]	2528	// typedef int foo;
	2529	// {
	2530	// int foo; // redefine typedef name in new scope
	2531	// }
[c11e31c]	2532	//
[de62360d]	2533	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
	2534	// and functions versus pointers to arrays and functions.
[51b7345]	2535
[c6b1105]	2536	variable_type_redeclarator:
[2871210]	2537	paren_type attribute_list_opt
[1db21619]	2538	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2539	\| type_ptr
	2540	\| type_array attribute_list_opt
[1db21619]	2541	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2542	\| type_function attribute_list_opt
[1db21619]	2543	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2544	;
[51b7345]	2545
[2871210]	2546	paren_type:
	2547	typedef
	2548	\| '(' paren_type ')'
[4d51835]	2549	{ $$ = $2; }
	2550	;
[51b7345]	2551
[2871210]	2552	type_ptr:
[c6b1105]	2553	ptrref_operator variable_type_redeclarator
[4d51835]	2554	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[c6b1105]	2555	\| ptrref_operator type_qualifier_list variable_type_redeclarator
[4d51835]	2556	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2557	\| '(' type_ptr ')' attribute_list_opt
	2558	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2559	;
[51b7345]	2560
[2871210]	2561	type_array:
	2562	paren_type array_dimension
[4d51835]	2563	{ $$ = $1->addArray( $2 ); }
[2871210]	2564	\| '(' type_ptr ')' array_dimension
[4d51835]	2565	{ $$ = $2->addArray( $4 ); }
[2871210]	2566	\| '(' type_array ')' multi_array_dimension // redundant parenthesis
[4d51835]	2567	{ $$ = $2->addArray( $4 ); }
[2871210]	2568	\| '(' type_array ')' // redundant parenthesis
[4d51835]	2569	{ $$ = $2; }
	2570	;
[51b7345]	2571
[2871210]	2572	type_function:
	2573	paren_type '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[4d51835]	2574	{ $$ = $1->addParamList( $4 ); }
[2871210]	2575	\| '(' type_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[4d51835]	2576	{ $$ = $2->addParamList( $6 ); }
[2871210]	2577	\| '(' type_function ')' // redundant parenthesis
[4d51835]	2578	{ $$ = $2; }
	2579	;
[51b7345]	2580
[c0aa336]	2581	// This pattern parses a declaration for a parameter variable of a function prototype or actual that is not redefining a
	2582	// typedef name and allows the C99 array options, which can only appear in a parameter list. The pattern precludes
	2583	// declaring an array of functions versus a pointer to an array of functions, and returning arrays and functions versus
	2584	// pointers to arrays and functions.
[51b7345]	2585
	2586	identifier_parameter_declarator:
[4d51835]	2587	paren_identifier attribute_list_opt
[1db21619]	2588	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2589	\| identifier_parameter_ptr
	2590	\| identifier_parameter_array attribute_list_opt
[1db21619]	2591	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2592	\| identifier_parameter_function attribute_list_opt
[1db21619]	2593	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2594	;
[51b7345]	2595
	2596	identifier_parameter_ptr:
[dd51906]	2597	ptrref_operator identifier_parameter_declarator
[4d51835]	2598	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2599	\| ptrref_operator type_qualifier_list identifier_parameter_declarator
[4d51835]	2600	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2601	\| '(' identifier_parameter_ptr ')' attribute_list_opt
	2602	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2603	;
[51b7345]	2604
	2605	identifier_parameter_array:
[4d51835]	2606	paren_identifier array_parameter_dimension
	2607	{ $$ = $1->addArray( $2 ); }
	2608	\| '(' identifier_parameter_ptr ')' array_dimension
	2609	{ $$ = $2->addArray( $4 ); }
	2610	\| '(' identifier_parameter_array ')' multi_array_dimension // redundant parenthesis
	2611	{ $$ = $2->addArray( $4 ); }
	2612	\| '(' identifier_parameter_array ')' // redundant parenthesis
	2613	{ $$ = $2; }
	2614	;
[51b7345]	2615
	2616	identifier_parameter_function:
[4d51835]	2617	paren_identifier '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2618	{ $$ = $1->addParamList( $4 ); }
	2619	\| '(' identifier_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2620	{ $$ = $2->addParamList( $6 ); }
	2621	\| '(' identifier_parameter_function ')' // redundant parenthesis
	2622	{ $$ = $2; }
	2623	;
[b87a5ed]	2624
[de62360d]	2625	// This pattern parses a declaration for a parameter variable or function prototype that is redefining a typedef name,
	2626	// e.g.:
[c11e31c]	2627	//
[b87a5ed]	2628	// typedef int foo;
	2629	// int f( int foo ); // redefine typedef name in new scope
[c11e31c]	2630	//
[c0aa336]	2631	// and allows the C99 array options, which can only appear in a parameter list.
[51b7345]	2632
[2871210]	2633	type_parameter_redeclarator:
[4d51835]	2634	typedef attribute_list_opt
[1db21619]	2635	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2636	\| type_parameter_ptr
	2637	\| type_parameter_array attribute_list_opt
[1db21619]	2638	{ $$ = $1->addQualifiers( $2 ); }
[2871210]	2639	\| type_parameter_function attribute_list_opt
[1db21619]	2640	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2641	;
[51b7345]	2642
	2643	typedef:
[4d51835]	2644	TYPEDEFname
	2645	{
[de62360d]	2646	typedefTable.setNextIdentifier( *$1 );
[4d51835]	2647	$$ = DeclarationNode::newName( $1 );
	2648	}
[2871210]	2649	\| TYPEGENname
	2650	{
	2651	typedefTable.setNextIdentifier( *$1 );
	2652	$$ = DeclarationNode::newName( $1 );
	2653	}
[4d51835]	2654	;
[51b7345]	2655
[2871210]	2656	type_parameter_ptr:
[dd51906]	2657	ptrref_operator type_parameter_redeclarator
[4d51835]	2658	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2659	\| ptrref_operator type_qualifier_list type_parameter_redeclarator
[4d51835]	2660	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2661	\| '(' type_parameter_ptr ')' attribute_list_opt
	2662	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2663	;
[51b7345]	2664
[2871210]	2665	type_parameter_array:
[4d51835]	2666	typedef array_parameter_dimension
	2667	{ $$ = $1->addArray( $2 ); }
[2871210]	2668	\| '(' type_parameter_ptr ')' array_parameter_dimension
[4d51835]	2669	{ $$ = $2->addArray( $4 ); }
	2670	;
[51b7345]	2671
[2871210]	2672	type_parameter_function:
[4d51835]	2673	typedef '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2674	{ $$ = $1->addParamList( $4 ); }
[2871210]	2675	\| '(' type_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[4d51835]	2676	{ $$ = $2->addParamList( $6 ); }
	2677	;
[b87a5ed]	2678
[de62360d]	2679	// This pattern parses a declaration of an abstract variable or function prototype, i.e., there is no identifier to
	2680	// which the type applies, e.g.:
[c11e31c]	2681	//
[b87a5ed]	2682	// sizeof( int );
[c0aa336]	2683	// sizeof( int * );
[b87a5ed]	2684	// sizeof( int [10] );
[c0aa336]	2685	// sizeof( int (*)() );
	2686	// sizeof( int () );
[c11e31c]	2687	//
[de62360d]	2688	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
	2689	// and functions versus pointers to arrays and functions.
[51b7345]	2690
	2691	abstract_declarator:
[4d51835]	2692	abstract_ptr
	2693	\| abstract_array attribute_list_opt
[1db21619]	2694	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2695	\| abstract_function attribute_list_opt
[1db21619]	2696	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2697	;
[51b7345]	2698
	2699	abstract_ptr:
[dd51906]	2700	ptrref_operator
[4d51835]	2701	{ $$ = DeclarationNode::newPointer( 0 ); }
[dd51906]	2702	\| ptrref_operator type_qualifier_list
[4d51835]	2703	{ $$ = DeclarationNode::newPointer( $2 ); }
[dd51906]	2704	\| ptrref_operator abstract_declarator
[4d51835]	2705	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2706	\| ptrref_operator type_qualifier_list abstract_declarator
[4d51835]	2707	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2708	\| '(' abstract_ptr ')' attribute_list_opt
	2709	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2710	;
[51b7345]	2711
	2712	abstract_array:
[4d51835]	2713	array_dimension
	2714	\| '(' abstract_ptr ')' array_dimension
	2715	{ $$ = $2->addArray( $4 ); }
	2716	\| '(' abstract_array ')' multi_array_dimension // redundant parenthesis
	2717	{ $$ = $2->addArray( $4 ); }
	2718	\| '(' abstract_array ')' // redundant parenthesis
	2719	{ $$ = $2; }
	2720	;
[51b7345]	2721
	2722	abstract_function:
[4d51835]	2723	'(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[2298f728]	2724	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
[4d51835]	2725	\| '(' abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2726	{ $$ = $2->addParamList( $6 ); }
	2727	\| '(' abstract_function ')' // redundant parenthesis
	2728	{ $$ = $2; }
	2729	;
[51b7345]	2730
	2731	array_dimension:
[4d51835]	2732	// Only the first dimension can be empty.
[2871210]	2733	'[' ']'
[4d51835]	2734	{ $$ = DeclarationNode::newArray( 0, 0, false ); }
[2871210]	2735	\| '[' ']' multi_array_dimension
	2736	{ $$ = DeclarationNode::newArray( 0, 0, false )->addArray( $3 ); }
[4d51835]	2737	\| multi_array_dimension
	2738	;
[51b7345]	2739
	2740	multi_array_dimension:
[4d51835]	2741	'[' push assignment_expression pop ']'
	2742	{ $$ = DeclarationNode::newArray( $3, 0, false ); }
	2743	\| '[' push '*' pop ']' // C99
	2744	{ $$ = DeclarationNode::newVarArray( 0 ); }
	2745	\| multi_array_dimension '[' push assignment_expression pop ']'
	2746	{ $$ = $1->addArray( DeclarationNode::newArray( $4, 0, false ) ); }
	2747	\| multi_array_dimension '[' push '*' pop ']' // C99
	2748	{ $$ = $1->addArray( DeclarationNode::newVarArray( 0 ) ); }
	2749	;
[51b7345]	2750
[c11e31c]	2751	// This pattern parses a declaration of a parameter abstract variable or function prototype, i.e., there is no
	2752	// identifier to which the type applies, e.g.:
	2753	//
[c0aa336]	2754	// int f( int ); // not handled here
	2755	// int f( int * ); // abstract function-prototype parameter; no parameter name specified
	2756	// int f( int (*)() ); // abstract function-prototype parameter; no parameter name specified
[b87a5ed]	2757	// int f( int (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	2758	//
[de62360d]	2759	// The pattern precludes declaring an array of functions versus a pointer to an array of functions, and returning arrays
[c0aa336]	2760	// and functions versus pointers to arrays and functions. In addition, the pattern handles the
	2761	// special meaning of parenthesis around a typedef name:
	2762	//
	2763	// ISO/IEC 9899:1999 Section 6.7.5.3(11) : "In a parameter declaration, a single typedef name in
	2764	// parentheses is taken to be an abstract declarator that specifies a function with a single parameter,
	2765	// not as redundant parentheses around the identifier."
	2766	//
	2767	// For example:
	2768	//
	2769	// typedef float T;
	2770	// int f( int ( T [5] ) ); // see abstract_parameter_declarator
	2771	// int g( int ( T ( int ) ) ); // see abstract_parameter_declarator
	2772	// int f( int f1( T a[5] ) ); // see identifier_parameter_declarator
	2773	// int g( int g1( T g2( int p ) ) ); // see identifier_parameter_declarator
	2774	//
	2775	// In essence, a '(' immediately to the left of typedef name, T, is interpreted as starting a parameter type list, and
	2776	// not as redundant parentheses around a redeclaration of T. Finally, the pattern also precludes declaring an array of
	2777	// functions versus a pointer to an array of functions, and returning arrays and functions versus pointers to arrays and
	2778	// functions.
[51b7345]	2779
	2780	abstract_parameter_declarator:
[4d51835]	2781	abstract_parameter_ptr
	2782	\| abstract_parameter_array attribute_list_opt
[1db21619]	2783	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2784	\| abstract_parameter_function attribute_list_opt
[1db21619]	2785	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2786	;
[51b7345]	2787
	2788	abstract_parameter_ptr:
[dd51906]	2789	ptrref_operator
[c0aa336]	2790	{ $$ = DeclarationNode::newPointer( nullptr ); }
[dd51906]	2791	\| ptrref_operator type_qualifier_list
[4d51835]	2792	{ $$ = DeclarationNode::newPointer( $2 ); }
[dd51906]	2793	\| ptrref_operator abstract_parameter_declarator
[c0aa336]	2794	{ $$ = $2->addPointer( DeclarationNode::newPointer( nullptr ) ); }
[dd51906]	2795	\| ptrref_operator type_qualifier_list abstract_parameter_declarator
[4d51835]	2796	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2797	\| '(' abstract_parameter_ptr ')' attribute_list_opt
	2798	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2799	;
[51b7345]	2800
	2801	abstract_parameter_array:
[4d51835]	2802	array_parameter_dimension
	2803	\| '(' abstract_parameter_ptr ')' array_parameter_dimension
	2804	{ $$ = $2->addArray( $4 ); }
	2805	\| '(' abstract_parameter_array ')' multi_array_dimension // redundant parenthesis
	2806	{ $$ = $2->addArray( $4 ); }
	2807	\| '(' abstract_parameter_array ')' // redundant parenthesis
	2808	{ $$ = $2; }
	2809	;
[51b7345]	2810
	2811	abstract_parameter_function:
[4d51835]	2812	'(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
[2298f728]	2813	{ $$ = DeclarationNode::newFunction( nullptr, nullptr, $3, nullptr ); }
[4d51835]	2814	\| '(' abstract_parameter_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2815	{ $$ = $2->addParamList( $6 ); }
	2816	\| '(' abstract_parameter_function ')' // redundant parenthesis
	2817	{ $$ = $2; }
	2818	;
[51b7345]	2819
	2820	array_parameter_dimension:
[4d51835]	2821	// Only the first dimension can be empty or have qualifiers.
	2822	array_parameter_1st_dimension
	2823	\| array_parameter_1st_dimension multi_array_dimension
	2824	{ $$ = $1->addArray( $2 ); }
	2825	\| multi_array_dimension
	2826	;
[51b7345]	2827
[c11e31c]	2828	// The declaration of an array parameter has additional syntax over arrays in normal variable declarations:
	2829	//
[de62360d]	2830	// ISO/IEC 9899:1999 Section 6.7.5.2(1) : "The optional type qualifiers and the keyword static shall appear only in
	2831	// a declaration of a function parameter with an array type, and then only in the outermost array type derivation."
[51b7345]	2832
	2833	array_parameter_1st_dimension:
[2871210]	2834	'[' ']'
[4d51835]	2835	{ $$ = DeclarationNode::newArray( 0, 0, false ); }
	2836	// multi_array_dimension handles the '[' '*' ']' case
	2837	\| '[' push type_qualifier_list '*' pop ']' // remaining C99
	2838	{ $$ = DeclarationNode::newVarArray( $3 ); }
	2839	\| '[' push type_qualifier_list pop ']'
	2840	{ $$ = DeclarationNode::newArray( 0, $3, false ); }
	2841	// multi_array_dimension handles the '[' assignment_expression ']' case
	2842	\| '[' push type_qualifier_list assignment_expression pop ']'
	2843	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	2844	\| '[' push STATIC type_qualifier_list_opt assignment_expression pop ']'
	2845	{ $$ = DeclarationNode::newArray( $5, $4, true ); }
	2846	\| '[' push type_qualifier_list STATIC assignment_expression pop ']'
	2847	{ $$ = DeclarationNode::newArray( $5, $3, true ); }
	2848	;
[b87a5ed]	2849
[c0aa336]	2850	// This pattern parses a declaration of an abstract variable, but does not allow "int ()" for a function pointer.
[c11e31c]	2851	//
[c0aa336]	2852	// struct S {
	2853	// int;
	2854	// int *;
	2855	// int [10];
	2856	// int (*)();
	2857	// };
[51b7345]	2858
	2859	variable_abstract_declarator:
[4d51835]	2860	variable_abstract_ptr
	2861	\| variable_abstract_array attribute_list_opt
[1db21619]	2862	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2863	\| variable_abstract_function attribute_list_opt
[1db21619]	2864	{ $$ = $1->addQualifiers( $2 ); }
[4d51835]	2865	;
[51b7345]	2866
	2867	variable_abstract_ptr:
[dd51906]	2868	ptrref_operator
[4d51835]	2869	{ $$ = DeclarationNode::newPointer( 0 ); }
[dd51906]	2870	\| ptrref_operator type_qualifier_list
[4d51835]	2871	{ $$ = DeclarationNode::newPointer( $2 ); }
[dd51906]	2872	\| ptrref_operator variable_abstract_declarator
[4d51835]	2873	{ $$ = $2->addPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	2874	\| ptrref_operator type_qualifier_list variable_abstract_declarator
[4d51835]	2875	{ $$ = $3->addPointer( DeclarationNode::newPointer( $2 ) ); }
[c0aa336]	2876	\| '(' variable_abstract_ptr ')' attribute_list_opt
	2877	{ $$ = $2->addQualifiers( $4 ); }
[4d51835]	2878	;
[51b7345]	2879
	2880	variable_abstract_array:
[4d51835]	2881	array_dimension
	2882	\| '(' variable_abstract_ptr ')' array_dimension
	2883	{ $$ = $2->addArray( $4 ); }
	2884	\| '(' variable_abstract_array ')' multi_array_dimension // redundant parenthesis
	2885	{ $$ = $2->addArray( $4 ); }
	2886	\| '(' variable_abstract_array ')' // redundant parenthesis
	2887	{ $$ = $2; }
	2888	;
[51b7345]	2889
	2890	variable_abstract_function:
[4d51835]	2891	'(' variable_abstract_ptr ')' '(' push parameter_type_list_opt pop ')' // empty parameter list OBSOLESCENT (see 3)
	2892	{ $$ = $2->addParamList( $6 ); }
	2893	\| '(' variable_abstract_function ')' // redundant parenthesis
	2894	{ $$ = $2; }
	2895	;
[b87a5ed]	2896
[de62360d]	2897	// This pattern parses a new-style declaration for a parameter variable or function prototype that is either an
	2898	// identifier or typedef name and allows the C99 array options, which can only appear in a parameter list.
[b87a5ed]	2899
[c0aa336]	2900	cfa_identifier_parameter_declarator_tuple: // CFA
	2901	cfa_identifier_parameter_declarator_no_tuple
	2902	\| cfa_abstract_tuple
	2903	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	2904	{ $$ = $2->addQualifiers( $1 ); }
	2905	;
[b87a5ed]	2906
[c0aa336]	2907	cfa_identifier_parameter_declarator_no_tuple: // CFA
	2908	cfa_identifier_parameter_ptr
	2909	\| cfa_identifier_parameter_array
[4d51835]	2910	;
[b87a5ed]	2911
[c0aa336]	2912	cfa_identifier_parameter_ptr: // CFA
[d0ffed1]	2913	// No SUE declaration in parameter list.
	2914	ptrref_operator type_specifier_nobody
[4d51835]	2915	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[d0ffed1]	2916	\| type_qualifier_list ptrref_operator type_specifier_nobody
[4d51835]	2917	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
[c0aa336]	2918	\| ptrref_operator cfa_abstract_function
[4d51835]	2919	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[c0aa336]	2920	\| type_qualifier_list ptrref_operator cfa_abstract_function
[4d51835]	2921	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
[c0aa336]	2922	\| ptrref_operator cfa_identifier_parameter_declarator_tuple
[4d51835]	2923	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[c0aa336]	2924	\| type_qualifier_list ptrref_operator cfa_identifier_parameter_declarator_tuple
[4d51835]	2925	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
	2926	;
[b87a5ed]	2927
[c0aa336]	2928	cfa_identifier_parameter_array: // CFA
[de62360d]	2929	// Only the first dimension can be empty or have qualifiers. Empty dimension must be factored out due to
	2930	// shift/reduce conflict with new-style empty (void) function return type.
[d0ffed1]	2931	'[' ']' type_specifier_nobody
[2871210]	2932	{ $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[d0ffed1]	2933	\| cfa_array_parameter_1st_dimension type_specifier_nobody
[4d51835]	2934	{ $$ = $2->addNewArray( $1 ); }
[d0ffed1]	2935	\| '[' ']' multi_array_dimension type_specifier_nobody
[2871210]	2936	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[d0ffed1]	2937	\| cfa_array_parameter_1st_dimension multi_array_dimension type_specifier_nobody
[4d51835]	2938	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[d0ffed1]	2939	\| multi_array_dimension type_specifier_nobody
[4d51835]	2940	{ $$ = $2->addNewArray( $1 ); }
[9059213]	2941
[c0aa336]	2942	\| '[' ']' cfa_identifier_parameter_ptr
[2871210]	2943	{ $$ = $3->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[c0aa336]	2944	\| cfa_array_parameter_1st_dimension cfa_identifier_parameter_ptr
[4d51835]	2945	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	2946	\| '[' ']' multi_array_dimension cfa_identifier_parameter_ptr
[2871210]	2947	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( 0, 0, false ) ); }
[c0aa336]	2948	\| cfa_array_parameter_1st_dimension multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	2949	{ $$ = $3->addNewArray( $2 )->addNewArray( $1 ); }
[c0aa336]	2950	\| multi_array_dimension cfa_identifier_parameter_ptr
[4d51835]	2951	{ $$ = $2->addNewArray( $1 ); }
	2952	;
[51b7345]	2953
[c0aa336]	2954	cfa_array_parameter_1st_dimension:
[4d51835]	2955	'[' push type_qualifier_list '*' pop ']' // remaining C99
	2956	{ $$ = DeclarationNode::newVarArray( $3 ); }
	2957	\| '[' push type_qualifier_list assignment_expression pop ']'
	2958	{ $$ = DeclarationNode::newArray( $4, $3, false ); }
	2959	\| '[' push declaration_qualifier_list assignment_expression pop ']'
	2960	// declaration_qualifier_list must be used because of shift/reduce conflict with
	2961	// assignment_expression, so a semantic check is necessary to preclude them as a type_qualifier cannot
	2962	// appear in this context.
	2963	{ $$ = DeclarationNode::newArray( $4, $3, true ); }
	2964	\| '[' push declaration_qualifier_list type_qualifier_list assignment_expression pop ']'
	2965	{ $$ = DeclarationNode::newArray( $5, $4->addQualifiers( $3 ), true ); }
	2966	;
[b87a5ed]	2967
[de62360d]	2968	// This pattern parses a new-style declaration of an abstract variable or function prototype, i.e., there is no
	2969	// identifier to which the type applies, e.g.:
[c11e31c]	2970	//
[b87a5ed]	2971	// [int] f( int ); // abstract variable parameter; no parameter name specified
	2972	// [int] f( [int] (int) ); // abstract function-prototype parameter; no parameter name specified
[c11e31c]	2973	//
	2974	// These rules need LR(3):
	2975	//
[c0aa336]	2976	// cfa_abstract_tuple identifier_or_type_name
	2977	// '[' cfa_parameter_list ']' identifier_or_type_name '(' cfa_parameter_type_list_opt ')'
[c11e31c]	2978	//
	2979	// since a function return type can be syntactically identical to a tuple type:
	2980	//
[b87a5ed]	2981	// [int, int] t;
	2982	// [int, int] f( int );
[c11e31c]	2983	//
[2871210]	2984	// Therefore, it is necessary to look at the token after identifier_or_type_name to know when to reduce
[c0aa336]	2985	// cfa_abstract_tuple. To make this LR(1), several rules have to be flattened (lengthened) to allow the necessary
	2986	// lookahead. To accomplish this, cfa_abstract_declarator has an entry point without tuple, and tuple declarations are
	2987	// duplicated when appearing with cfa_function_specifier.
[b87a5ed]	2988
[c0aa336]	2989	cfa_abstract_declarator_tuple: // CFA
	2990	cfa_abstract_tuple
	2991	\| type_qualifier_list cfa_abstract_tuple
[4d51835]	2992	{ $$ = $2->addQualifiers( $1 ); }
[c0aa336]	2993	\| cfa_abstract_declarator_no_tuple
[4d51835]	2994	;
[b87a5ed]	2995
[c0aa336]	2996	cfa_abstract_declarator_no_tuple: // CFA
	2997	cfa_abstract_ptr
	2998	\| cfa_abstract_array
[4d51835]	2999	;
[b87a5ed]	3000
[c0aa336]	3001	cfa_abstract_ptr: // CFA
[dd51906]	3002	ptrref_operator type_specifier
[4d51835]	3003	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[dd51906]	3004	\| type_qualifier_list ptrref_operator type_specifier
[4d51835]	3005	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
[c0aa336]	3006	\| ptrref_operator cfa_abstract_function
[4d51835]	3007	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[c0aa336]	3008	\| type_qualifier_list ptrref_operator cfa_abstract_function
[4d51835]	3009	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
[c0aa336]	3010	\| ptrref_operator cfa_abstract_declarator_tuple
[4d51835]	3011	{ $$ = $2->addNewPointer( DeclarationNode::newPointer( 0 ) ); }
[c0aa336]	3012	\| type_qualifier_list ptrref_operator cfa_abstract_declarator_tuple
[4d51835]	3013	{ $$ = $3->addNewPointer( DeclarationNode::newPointer( $1 ) ); }
	3014	;
[b87a5ed]	3015
[c0aa336]	3016	cfa_abstract_array: // CFA
[de62360d]	3017	// Only the first dimension can be empty. Empty dimension must be factored out due to shift/reduce conflict with
	3018	// empty (void) function return type.
[2871210]	3019	'[' ']' type_specifier
[2298f728]	3020	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[2871210]	3021	\| '[' ']' multi_array_dimension type_specifier
[2298f728]	3022	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[4d51835]	3023	\| multi_array_dimension type_specifier
	3024	{ $$ = $2->addNewArray( $1 ); }
[c0aa336]	3025	\| '[' ']' cfa_abstract_ptr
[2298f728]	3026	{ $$ = $3->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	3027	\| '[' ']' multi_array_dimension cfa_abstract_ptr
[2298f728]	3028	{ $$ = $4->addNewArray( $3 )->addNewArray( DeclarationNode::newArray( nullptr, nullptr, false ) ); }
[c0aa336]	3029	\| multi_array_dimension cfa_abstract_ptr
[4d51835]	3030	{ $$ = $2->addNewArray( $1 ); }
	3031	;
[b87a5ed]	3032
[c0aa336]	3033	cfa_abstract_tuple: // CFA
	3034	'[' push cfa_abstract_parameter_list pop ']'
[4d51835]	3035	{ $$ = DeclarationNode::newTuple( $3 ); }
	3036	;
[b87a5ed]	3037
[c0aa336]	3038	cfa_abstract_function: // CFA
	3039	// '[' ']' '(' cfa_parameter_type_list_opt ')'
[1b29996]	3040	// { $$ = DeclarationNode::newFunction( nullptr, DeclarationNode::newTuple( nullptr ), $4, nullptr ); }
[c0aa336]	3041	cfa_abstract_tuple '(' push cfa_parameter_type_list_opt pop ')'
[2298f728]	3042	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[c0aa336]	3043	\| cfa_function_return '(' push cfa_parameter_type_list_opt pop ')'
[2298f728]	3044	{ $$ = DeclarationNode::newFunction( nullptr, $1, $4, nullptr ); }
[4d51835]	3045	;
[b87a5ed]	3046
[de62360d]	3047	// 1) ISO/IEC 9899:1999 Section 6.7.2(2) : "At least one type specifier shall be given in the declaration specifiers in
	3048	// each declaration, and in the specifier-qualifier list in each structure declaration and type name."
[c11e31c]	3049	//
[de62360d]	3050	// 2) ISO/IEC 9899:1999 Section 6.11.5(1) : "The placement of a storage-class specifier other than at the beginning of
	3051	// the declaration specifiers in a declaration is an obsolescent feature."
[c11e31c]	3052	//
	3053	// 3) ISO/IEC 9899:1999 Section 6.11.6(1) : "The use of function declarators with empty parentheses (not
	3054	// prototype-format parameter type declarators) is an obsolescent feature."
	3055	//
[de62360d]	3056	// 4) ISO/IEC 9899:1999 Section 6.11.7(1) : "The use of function definitions with separate parameter identifier and
	3057	// declaration lists (not prototype-format parameter type and identifier declarators) is an obsolescent feature.
[51b7345]	3058
[c11e31c]	3059	//*********************** MISCELLANEOUS ******************************
[51b7345]	3060
[b87a5ed]	3061	comma_opt: // redundant comma
[4d51835]	3062	// empty
	3063	\| ','
	3064	;
[51b7345]	3065
[994d080]	3066	default_initialize_opt:
[4d51835]	3067	// empty
[58dd019]	3068	{ $$ = nullptr; }
[4d51835]	3069	\| '=' assignment_expression
	3070	{ $$ = $2; }
	3071	;
[51b7345]	3072
	3073	%%
[c11e31c]	3074	// ----end of grammar----
[51b7345]	3075
[0da3e2c]	3076	extern char *yytext;
	3077
[5f2f2d7]	3078	void yyerror( const char * ) {
[2298f728]	3079	cout << "Error ";
[b87a5ed]	3080	if ( yyfilename ) {
[2298f728]	3081	cout << "in file " << yyfilename << " ";
[5f2f2d7]	3082	} // if
[2298f728]	3083	cout << "at line " << yylineno << " reading token \"" << (yytext[0] == '\0' ? "EOF" : yytext) << "\"" << endl;
[51b7345]	3084	}
	3085
[c11e31c]	3086	// Local Variables: //
[b87a5ed]	3087	// mode: c++ //
[de62360d]	3088	// tab-width: 4 //
[c11e31c]	3089	// compile-command: "make install" //
	3090	// End: //

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