parser3/src/main/compile.y - diff

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Diff for /parser3/src/main/compile.y between versions 1.199 and 1.204.2.8.2.4

version 1.199, 2002/10/15 08:31:56	version 1.204.2.8.2.4, 2003/03/26 07:45:23
Line 2	Line 2
/** @file	/** @file
Parser: compiler(lexical parser and grammar).	Parser: compiler(lexical parser and grammar).

Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)

$Id$	$Id$
Line 19	Line 19
-#: in iis make up specialized Pool object for that	-#: in iis make up specialized Pool object for that
*/	*/

#define YYSTYPE Array/<Operation>/ *	#define YYSTYPE ArrayOperation*
#define YYPARSE_PARAM pc	#define YYPARSE_PARAM pc
#define YYLEX_PARAM pc	#define YYLEX_PARAM pc
#define YYDEBUG 1	#define YYDEBUG 1
Line 34	Line 34
#include "pa_vdouble.h"	#include "pa_vdouble.h"
#include "pa_globals.h"	#include "pa_globals.h"
#include "pa_vvoid.h"	#include "pa_vvoid.h"
	#include "pa_vmethod_frame.h"

#define SELF_ELEMENT_NAME "self"
#define USE_CONTROL_METHOD_NAME "USE"	#define USE_CONTROL_METHOD_NAME "USE"

static int real_yyerror(parse_control pc, char s);	static int real_yyerror(parse_control pc, char s);
Line 44 static int yylex(YYSTYPE lvalp, void p	Line 44 static int yylex(YYSTYPE lvalp, void p


// local convinient inplace typecast & var	// local convinient inplace typecast & var
	#undef PC
#define PC ((parse_control )pc)	#define PC ((parse_control )pc)
	#undef POOL
#define POOL (*PC.pool)	#define POOL (*PC.pool)
#undef NEW
#define NEW new(POOL)
#ifndef DOXYGEN	#ifndef DOXYGEN
%}	%}

Line 95 static int yylex(YYSTYPE lvalp, void p	Line 95 static int yylex(YYSTYPE lvalp, void p
%left '<' '>' "<=" ">=" "lt" "gt" "le" "ge"	%left '<' '>' "<=" ">=" "lt" "gt" "le" "ge"
%left "==" "!=" "eq" "ne"	%left "==" "!=" "eq" "ne"
%left "is" "def" "in" "-f" "-d"	%left "is" "def" "in" "-f" "-d"
%left '!'

/* bitwise */	/* bitwise */
%left "!\|"	%left "!\|"
%left '\|'	%left '\|'
%left '&'	%left '&'
%left '~'	%left "<<" ">>"
%left ">>"
%left "<<"

/* numerical */	/* numerical */
%left '-' '+'	%left '+' '-'
%left '*' '/' '%' '\\'	%left '*' '/' '\\' '%'
%left NEG /* negation: unary - */	%left NUNARY /* unary - + */

	/* out-of-group */
	%left '~' /* bitwise */
	%left '!' /* logical */

%%	%%
all:	all:
one_big_piece {	one_big_piece {
Method& method=*NEW Method(POOL,	Method& method=new Method(/main_method_name, */Method::CT_ANY,
PC.request->main_method_name,
Method::CT_ANY,
0, 0, /min, max numbered_params_count/	0, 0, /min, max numbered_params_count/
0/param_names/, 0/local_names/,	0/param_names/, 0/local_names/,
$1/parser_code/, 0/native_code/);	$1/parser_code/, 0/native_code/);
PC.cclass->add_method(PC.request->main_method_name, method);	PC.cclass->add_method(main_method_name, method);
}	}
\| methods;	\| methods;

Line 130 method: control_method \| code_method;	Line 129 method: control_method \| code_method;

control_method: '@' STRING '\n'	control_method: '@' STRING '\n'
maybe_control_strings {	maybe_control_strings {
const String& command=*LA2S($2);	const String& command=LA2S($2);
YYSTYPE strings_code=$4;	YYSTYPE strings_code=$4;
if(strings_code->size()<1*2) {	if(strings_code->count()<1*2) {
strcpy(PC.error, "@");	strcpy(PC.error, "@");
strcat(PC.error, command.cstr());	strcat(PC.error, command.cstr());
strcat(PC.error, " is empty");	strcat(PC.error, " is empty");
Line 145 control_method: '@' STRING '\n'	Line 144 control_method: '@' STRING '\n'
strcat(PC.error, "'");	strcat(PC.error, "'");
YYERROR;	YYERROR;
}	}
if(strings_code->size()==1*2) {	if(strings_code->count()==1*2) {
// new class' name	// new class' name
const String *name=LA2S(strings_code);	const String& name=LA2S(strings_code);
// creating the class	// creating the class
PC.cclass=NEW VClass(POOL);	VStateless_class* cclass=new VClass;
PC.cclass->set_name(*name);	PC.cclass=cclass;
	PC.cclass->set_name(name);
// append to request's classes	// append to request's classes
PC.request->classes().put(*name, PC.cclass);	PC.request.classes().put(name, cclass);
} else {	} else {
strcpy(PC.error, "@"CLASS_NAME" must contain sole name");	strcpy(PC.error, "@"CLASS_NAME" must contain sole name");
YYERROR;	YYERROR;
}	}
} else if(command==USE_CONTROL_METHOD_NAME) {	} else if(command==USE_CONTROL_METHOD_NAME) {
for(int i=0; i<strings_code->size(); i+=2)	for(int i=0; i<strings_code->count(); i+=2)
PC.request->use_file(PC.request->main_class, *LA2S(strings_code, i));	PC.request.use_file(PC.request.main_class, LA2S(strings_code, i));
} else if(command==BASE_NAME) {	} else if(command==BASE_NAME) {
if(PC.cclass->base_class()) { // already changed from default?	if(PC.cclass->base_class()) { // already changed from default?
strcpy(PC.error, "class already have a base '");	strcpy(PC.error, "class already have a base '");
Line 167 control_method: '@' STRING '\n'	Line 167 control_method: '@' STRING '\n'
strcat(PC.error, "'");	strcat(PC.error, "'");
YYERROR;	YYERROR;
}	}
if(strings_code->size()==1*2) {	if(strings_code->count()==1*2) {
const String& base_name=*LA2S(strings_code);	const String& base_name=LA2S(strings_code);
Value vbase_class=static_cast<VClass >(	if(Value* base_class_value=PC.request.classes().get(base_name)) {
PC.request->classes().get(base_name));	// @CLASS == @BASE sanity check
VStateless_class *base_class=vbase_class?vbase_class->get_class():0;	if(VStateless_class *base_class=base_class_value->get_class()) {
if(!base_class) {	if(PC.cclass==base_class) {
	strcpy(PC.error, "@"CLASS_NAME" equals @"BASE_NAME);
	YYERROR;
	}
	PC.cclass->get_class()->set_base(base_class);
	} else { // they asked to derive from a class without methods ['env' & co]
	strcpy(PC.error, base_name.cstr());
	strcat(PC.error, ": you can not derive from this class in @"BASE_NAME);
	YYERROR;
	}
	} else {
strcpy(PC.error, base_name.cstr());	strcpy(PC.error, base_name.cstr());
strcat(PC.error, ": undefined class in @"BASE_NAME);	strcat(PC.error, ": undefined class in @"BASE_NAME);
YYERROR;	YYERROR;
}	}
// @CLASS == @BASE sanity check
if(PC.cclass==base_class) {
strcpy(PC.error, "@"CLASS_NAME" equals @"BASE_NAME);
YYERROR;
}
PC.cclass->set_base(base_class);
} else {	} else {
strcpy(PC.error, "@"BASE_NAME" must contain sole name");	strcpy(PC.error, "@"BASE_NAME" must contain sole name");
YYERROR;	YYERROR;
Line 196 control_method: '@' STRING '\n'	Line 200 control_method: '@' STRING '\n'
}	}
};	};
maybe_control_strings: empty \| control_strings;	maybe_control_strings: empty \| control_strings;
control_strings: control_string \| control_strings control_string { $$=$1; P($$, $2) };	control_strings: control_string \| control_strings control_string { $$=$1; P($$, $2) };
control_string: maybe_string '\n';	control_string: maybe_string '\n';
maybe_string: empty \| STRING;	maybe_string: empty \| STRING;

code_method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n'	code_method: '@' STRING bracketed_maybe_strings maybe_bracketed_strings maybe_comment '\n'
maybe_codes {	maybe_codes {
const String *name=LA2S($2);	const String& name=LA2S($2);

YYSTYPE params_names_code=$3;	YYSTYPE params_names_code=$3;
Array *params_names=0;	ArrayString* params_names=0;
if(int size=params_names_code->size()) {	if(int size=params_names_code->count()) {
params_names=NEW Array(POOL);	params_names=new ArrayString;
for(int i=0; i<size; i+=2)	for(int i=0; i<size; i+=2)
*params_names+=LA2S(params_names_code, i);	params_names+=LA2S(params_names_code, i);
}	}

YYSTYPE locals_names_code=$4;	YYSTYPE locals_names_code=$4;
Array *locals_names=0;	ArrayString* locals_names=0;
if(int size=locals_names_code->size()) {	if(int size=locals_names_code->count()) {
locals_names=NEW Array(POOL);	locals_names=new ArrayString;
for(int i=0; i<size; i+=2)	for(int i=0; i<size; i+=2)
*locals_names+=LA2S(locals_names_code, i);	locals_names+=LA2S(locals_names_code, i);
}	}

Method& method=*NEW Method(POOL,	Method& method=*new Method(
*name,	//name,
Method::CT_ANY,	Method::CT_ANY,
0, 0/min,max numbered_params_count/,	0, 0/min,max numbered_params_count/,
params_names, locals_names,	params_names, locals_names,
$7, 0);	$7, 0);
PC.cclass->add_method(*name, method);	PC.cclass->add_method(name, method);
};	};

maybe_bracketed_strings: empty \| bracketed_maybe_strings;	maybe_bracketed_strings: empty \| bracketed_maybe_strings;
bracketed_maybe_strings: '[' maybe_strings ']' {$$=$2};	bracketed_maybe_strings: '[' maybe_strings ']' {$$=$2};
maybe_strings: empty \| strings;	maybe_strings: empty \| strings;
strings: STRING \| strings ';' STRING { $$=$1; P($$, $3) };	strings: STRING \| strings ';' STRING { $$=$1; P($$, $3) };

maybe_comment: empty \| STRING;	maybe_comment: empty \| STRING;

Line 240 maybe_comment: empty \| STRING;	Line 244 maybe_comment: empty \| STRING;

maybe_codes: empty \| codes;	maybe_codes: empty \| codes;

codes: code \| codes code { $$=$1; P($$, $2) };	codes: code \| codes code { $$=$1; P($$, $2) };
code: write_string \| action;	code: write_string \| action;
action: get \| put \| call;	action: get \| put \| call;

Line 248 action: get \| put \| call;	Line 252 action: get \| put \| call;

get: get_value {	get: get_value {
$$=$1; /* stack: resulting value */	$$=$1; /* stack: resulting value */
changetail_or_append($$,	changetail_or_append(*$$,
OP_GET_ELEMENT, false, /->/OP_GET_ELEMENT__WRITE,	OP_GET_ELEMENT, false, /->/OP_GET_ELEMENT__WRITE,
/or /OP_WRITE_VALUE	/or /OP_WRITE_VALUE
); /* value=pop; wcontext.write(value) */	); /* value=pop; wcontext.write(value) */
Line 260 name_without_curly_rdive:	Line 264 name_without_curly_rdive:
name_without_curly_rdive_read	name_without_curly_rdive_read
\| name_without_curly_rdive_class;	\| name_without_curly_rdive_class;
name_without_curly_rdive_read: name_without_curly_rdive_code {	name_without_curly_rdive_read: name_without_curly_rdive_code {
$$=N(POOL);	$$=N();
Array *diving_code=$1;	ArrayOperation* diving_code=$1;
const String *first_name=LA2S(diving_code);	const String* first_name=LA2S(*diving_code);
// self.xxx... -> xxx...	// self.xxx... -> xxx...
// OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...	// OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...
if(first_name && *first_name==SELF_ELEMENT_NAME) {	if(first_name && *first_name==SELF_ELEMENT_NAME) {
O($$, OP_WITH_SELF); /* stack: starting context */	O($$, OP_WITH_SELF); / stack: starting context */
P($$, diving_code,	P($$, diving_code,
/* skip over... */	/* skip over... */
diving_code->size()>=3?3/OP_VALUE+string+OP_GET_ELEMENTx/:2/OP_+string/);	diving_code->count()>=3?3/OP_VALUE+string+OP_GET_ELEMENTx/:2/OP_+string/);
} else {	} else {
O($$, OP_WITH_READ); /* stack: starting context */	O($$, OP_WITH_READ); / stack: starting context */

// OP_VALUE+string+OP_GET_ELEMENT. -> OP_VALUE+string+...OR_OPERATOR/OR_JUNCTION_EXP.	// ^if ELEMENT -> ^if ELEMENT_OR_OPERATOR
if(diving_code->size()==3) // ELEMENT without .SUBELEMENT	// OP_VALUE+string+OP_GET_ELEMENT. -> OP_VALUE+string+OP_GET_ELEMENT_OR_OPERATOR.
diving_code->put_int(2,	if(PC.in_call_value && diving_code->count()==3)
PC.in_call_value?	(*diving_code)[2].code=OP_GET_ELEMENT_OR_OPERATOR;
OP_GET_ELEMENT_OR_OPERATOR// possibly ^if [search for operator]	P($$, diving_code);
:OP_GET_ELEMENT_OR_JUNCTION_EXPAND // possibly $junction [if junction, expand it]
);

P($$, diving_code);
}	}
/* diving code; stack: current context */	/* diving code; stack: current context */
};	};
name_without_curly_rdive_class: class_prefix name_without_curly_rdive_code { $$=$1; P($$, $2) };	name_without_curly_rdive_class: class_prefix name_without_curly_rdive_code { $$=$1; P($$, $2) };
name_without_curly_rdive_code: name_advance2 \| name_path name_advance2 { $$=$1; P($$, $2) };	name_without_curly_rdive_code: name_advance2 \| name_path name_advance2 { $$=$1; P($$, $2) };

/* put */	/* put */

put: '$' name_expr_wdive construct {	put: '$' name_expr_wdive construct {
$$=$2; /* stack: context,name */	$$=$2; /* stack: context,name */
P($$, $3); /* stack: context,name,constructor_value */	P($$, $3); /* stack: context,name,constructor_value */
};	};
name_expr_wdive:	name_expr_wdive:
name_expr_wdive_root	name_expr_wdive_root
\| name_expr_wdive_write	\| name_expr_wdive_write
\| name_expr_wdive_class;	\| name_expr_wdive_class;
name_expr_wdive_root: name_expr_dive_code {	name_expr_wdive_root: name_expr_dive_code {
$$=N(POOL);	$$=N();
Array *diving_code=$1;	ArrayOperation* diving_code=$1;
const String *first_name=LA2S(diving_code);	const String* first_name=LA2S(*diving_code);
// $self.xxx... -> $xxx...	// $self.xxx... -> $xxx...
// OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...	// OP_VALUE+string+OP_GET_ELEMENT+... -> OP_WITH_SELF+...
if(first_name && *first_name==SELF_ELEMENT_NAME) {	if(first_name && *first_name==SELF_ELEMENT_NAME) {
O($$, OP_WITH_SELF); /* stack: starting context */	O($$, OP_WITH_SELF); / stack: starting context */
P($$, diving_code,	P($$, diving_code,
/* skip over... */	/* skip over... */
diving_code->size()>=3?3/OP_VALUE+string+OP_GET_ELEMENTx/:2/OP_+string/);	diving_code->count()>=3?3/OP_VALUE+string+OP_GET_ELEMENTx/:2/OP_+string/);
} else {	} else {
O($$, OP_WITH_ROOT); /* stack: starting context */	O($$, OP_WITH_ROOT); / stack: starting context */
P($$, diving_code);	P($$, diving_code);
}	}
/* diving code; stack: current context */	/* diving code; stack: current context */
};	};
name_expr_wdive_write: '.' name_expr_dive_code {	name_expr_wdive_write: '.' name_expr_dive_code {
$$=N(POOL);	$$=N();
O($$, OP_WITH_WRITE); /* stack: starting context */	O($$, OP_WITH_WRITE); / stack: starting context */
P($$, $2); /* diving code; stack: context,name */	P($$, $2); /* diving code; stack: context,name */
};	};
name_expr_wdive_class: class_prefix name_expr_dive_code { $$=$1; P($$, $2) };	name_expr_wdive_class: class_prefix name_expr_dive_code { $$=$1; P($$, $2) };

construct:	construct:
construct_square	construct_square
Line 330 construct:	Line 330 construct:
construct_square: '[' any_constructor_code_value ']' {	construct_square: '[' any_constructor_code_value ']' {
// stack: context, name	// stack: context, name
$$=$2; // stack: context, name, value	$$=$2; // stack: context, name, value
O($$, OP_CONSTRUCT_VALUE); /* value=pop; name=pop; context=pop; construct(context,name,value) */	O($$, OP_CONSTRUCT_VALUE); / value=pop; name=pop; context=pop; construct(context,name,value) */
}	}
;	;
construct_round: '(' expr_value ')' {	construct_round: '(' expr_value ')' {
$$=N(POOL);	$$=N();
O($$, OP_PREPARE_TO_EXPRESSION);	O(*$$, OP_PREPARE_TO_EXPRESSION);
// stack: context, name	// stack: context, name
P($$, $2); // stack: context, name, value	P($$, $2); // stack: context, name, value
O($$, OP_CONSTRUCT_EXPR); /* value=pop->as_expr_result; name=pop; context=pop; construct(context,name,value) */	O($$, OP_CONSTRUCT_EXPR); / value=pop->as_expr_result; name=pop; context=pop; construct(context,name,value) */
}	}
;	;
construct_curly: '{' maybe_codes '}' {	construct_curly: '{' maybe_codes '}' {
// stack: context, name	// stack: context, name
$$=N(POOL);	$$=N();
OA($$, OP_CURLY_CODE__CONSTRUCT, $2); /* code=pop; name=pop; context=pop; construct(context,name,junction(code)) */	OA($$, OP_CURLY_CODE__CONSTRUCT, $2); / code=pop; name=pop; context=pop; construct(context,name,junction(code)) */
};	};

any_constructor_code_value:	any_constructor_code_value:
Line 353 any_constructor_code_value:	Line 353 any_constructor_code_value:
\| constructor_code_value /* $var[something complex] */	\| constructor_code_value /* $var[something complex] */
;	;
constructor_code_value: constructor_code {	constructor_code_value: constructor_code {
$$=N(POOL);	$$=N();
OA($$, OP_OBJECT_POOL, $1); /* stack: empty write context */	OA($$, OP_OBJECT_POOL, $1); / stack: empty write context */
/* some code that writes to that context */	/* some code that writes to that context */
/* context=pop; stack: context.value() */	/* context=pop; stack: context.value() */
};	};
constructor_code: codes__excluding_sole_str_literal;	constructor_code: codes__excluding_sole_str_literal;
codes__excluding_sole_str_literal: action \| code codes { $$=$1; P($$, $2) };	codes__excluding_sole_str_literal: action \| code codes { $$=$1; P($$, $2) };

/* call */	/* call */

call: call_value {	call: call_value {
$$=$1; /* stack: value */	$$=$1; /* stack: value */
changetail_or_append($$,	changetail_or_append(*$$,
OP_CALL, true, /->/ OP_CALL__WRITE,	OP_CALL, true, /->/ OP_CALL__WRITE,
/or /OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */	/or /OP_WRITE_VALUE); /* value=pop; wcontext.write(value) */
};	};
Line 379 call_value: '^' {	Line 379 call_value: '^' {
$$=$3; /* with_xxx,diving code; stack: context,method_junction */	$$=$3; /* with_xxx,diving code; stack: context,method_junction */

YYSTYPE params_code=$5;	YYSTYPE params_code=$5;
if(params_code->size()==3) { // probably [] case. [OP_VALUE + Void + STORE_PARAM]	if(params_code->count()==3) { // probably [] case. [OP_VALUE + Void + STORE_PARAM]
if(Value *value=LA2V(params_code)) // it is OP_VALUE + value?	if(Value* value=LA2V(*params_code)) // it is OP_VALUE + value?
if(!value->is_defined()) // value is VVoid?	if(!value->is_defined()) // value is VVoid?
params_code=0; // ^zzz[] case. don't append lone empty param.	params_code=0; // ^zzz[] case. don't append lone empty param.
}	}
/* stack: context, method_junction */	/* stack: context, method_junction */
OA($$, OP_CALL, params_code); // method_frame=make frame(pop junction); ncontext=pop; call(ncontext,method_frame) stack: value	OA(*$$, OP_CALL, params_code); // method_frame=make frame(pop junction); ncontext=pop; call(ncontext,method_frame) stack: value
};	};

call_name: name_without_curly_rdive;	call_name: name_without_curly_rdive;

store_params: store_param \| store_params store_param { $$=$1; P($$, $2) };	store_params: store_param \| store_params store_param { $$=$1; P($$, $2) };
store_param:	store_param:
store_square_param	store_square_param
\| store_round_param	\| store_round_param
Line 401 store_round_param: '(' store_expr_param_	Line 401 store_round_param: '(' store_expr_param_
store_curly_param: '{' store_curly_param_parts '}' {$$=$2};	store_curly_param: '{' store_curly_param_parts '}' {$$=$2};
store_code_param_parts:	store_code_param_parts:
store_code_param_part	store_code_param_part
\| store_code_param_parts ';' store_code_param_part { $$=$1; P($$, $3) }	\| store_code_param_parts ';' store_code_param_part { $$=$1; P($$, $3) }
;	;
store_expr_param_parts:	store_expr_param_parts:
store_expr_param_part	store_expr_param_part
\| store_expr_param_parts ';' store_expr_param_part { $$=$1; P($$, $3) }	\| store_expr_param_parts ';' store_expr_param_part { $$=$1; P($$, $3) }
;	;
store_curly_param_parts:	store_curly_param_parts:
store_curly_param_part	store_curly_param_part
\| store_curly_param_parts ';' store_curly_param_part { $$=$1; P($$, $3) }	\| store_curly_param_parts ';' store_curly_param_part { $$=$1; P($$, $3) }
;	;
store_code_param_part: code_param_value {	store_code_param_part: code_param_value {
$$=$1;	$$=$1;
O($$, OP_STORE_PARAM);	O(*$$, OP_STORE_PARAM);
};	};
store_expr_param_part: write_expr_value {	store_expr_param_part: write_expr_value {
$$=N(POOL);	$$=N();
OA($$, OP_EXPR_CODE__STORE_PARAM, $1);	OA(*$$, OP_EXPR_CODE__STORE_PARAM, $1);
};	};
store_curly_param_part: maybe_codes {	store_curly_param_part: maybe_codes {
$$=N(POOL);	$$=N();
OA($$, OP_CURLY_CODE__STORE_PARAM, $1);	OA(*$$, OP_CURLY_CODE__STORE_PARAM, $1);
};	};
code_param_value:	code_param_value:
void_value /* optimized [;...] case */	void_value /* optimized [;...] case */
Line 429 code_param_value:	Line 429 code_param_value:
\| constructor_code_value /* [something complex] */	\| constructor_code_value /* [something complex] */
;	;
write_expr_value: expr_value {	write_expr_value: expr_value {
$$=N(POOL);	$$=N();
O($$, OP_PREPARE_TO_EXPRESSION);	O(*$$, OP_PREPARE_TO_EXPRESSION);
P($$, $1);	P($$, $1);
O($$, OP_WRITE_EXPR_RESULT);	O(*$$, OP_WRITE_EXPR_RESULT);
};	};

/* name */	/* name */

name_expr_dive_code: name_expr_value \| name_path name_expr_value { $$=$1; P($$, $2) };	name_expr_dive_code: name_expr_value \| name_path name_expr_value { $$=$1; P($$, $2) };

name_path: name_step \| name_path name_step { $$=$1; P($$, $2) };	name_path: name_step \| name_path name_step { $$=$1; P($$, $2) };
name_step: name_advance1 '.';	name_step: name_advance1 '.';
name_advance1: name_expr_value {	name_advance1: name_expr_value {
// we know that name_advance1 not called from ^xxx context	// we know that name_advance1 not called from ^xxx context
Line 447 name_advance1: name_expr_value {	Line 447 name_advance1: name_expr_value {

/* stack: context */	/* stack: context */
$$=$1; /* stack: context,name */	$$=$1; /* stack: context,name */
O($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */	O($$, OP_GET_ELEMENT); / name=pop; context=pop; stack: context.get_element(name) */
};	};
name_advance2: name_expr_value {	name_advance2: name_expr_value {
/* stack: context */	/* stack: context */
$$=$1; /* stack: context,name */	$$=$1; /* stack: context,name */
O($$, OP_GET_ELEMENT); /* name=pop; context=pop; stack: context.get_element(name) */	O($$, OP_GET_ELEMENT); / name=pop; context=pop; stack: context.get_element(name) */
}	}
\| STRING BOGUS	\| STRING BOGUS
;	;
Line 464 name_expr_value:	Line 464 name_expr_value:
;	;
name_expr_subvar_value: '$' subvar_ref_name_rdive {	name_expr_subvar_value: '$' subvar_ref_name_rdive {
$$=$2;	$$=$2;
O($$, OP_GET_ELEMENT);	O(*$$, OP_GET_ELEMENT);
};	};
name_expr_with_subvar_value: STRING subvar_get_writes {	name_expr_with_subvar_value: STRING subvar_get_writes {
Array *code;	ArrayOperation* code;
{	{
change_string_literal_to_write_string_literal(code=$1);	change_string_literal_to_write_string_literal(*(code=$1));
P(code, $2);	P(code, $2);
}	}
$$=N(POOL);	$$=N();
OA($$, OP_STRING_POOL, code);	OA(*$$, OP_STRING_POOL, code);
};	};
name_square_code_value: '[' codes ']' {	name_square_code_value: '[' codes ']' {
$$=N(POOL);	$$=N();
OA($$, OP_OBJECT_POOL, $2); /* stack: empty write context */	OA($$, OP_OBJECT_POOL, $2); / stack: empty write context */
/* some code that writes to that context */	/* some code that writes to that context */
/* context=pop; stack: context.value() */	/* context=pop; stack: context.value() */
};	};
subvar_ref_name_rdive: STRING {	subvar_ref_name_rdive: STRING {
$$=N(POOL);	$$=N();
O($$, OP_WITH_READ);	O(*$$, OP_WITH_READ);
P($$, $1);	P($$, $1);
};	};
subvar_get_writes: subvar__get_write \| subvar_get_writes subvar__get_write { $$=$1; P($$, $2) };	subvar_get_writes: subvar__get_write \| subvar_get_writes subvar__get_write { $$=$1; P($$, $2) };
subvar__get_write: '$' subvar_ref_name_rdive {	subvar__get_write: '$' subvar_ref_name_rdive {
$$=$2;	$$=$2;
O($$, OP_GET_ELEMENT__WRITE);	O(*$$, OP_GET_ELEMENT__WRITE);
};	};

class_prefix:	class_prefix:
Line 498 class_prefix:	Line 498 class_prefix:
;	;
class_static_prefix: STRING ':' {	class_static_prefix: STRING ':' {
$$=$1; // stack: class name string	$$=$1; // stack: class name string
if(*LA2S($$) == BASE_NAME) { // pseude BASE class	if(LA2S($$) == BASE_NAME) { // pseude BASE class
if(VStateless_class *base=PC.cclass->base_class()) {	if(VStateless_class* base=PC.cclass->base_class()) {
change_string_literal_value($$, base->name());	change_string_literal_value(*$$, base->name());
} else {	} else {
strcpy(PC.error, "no base class declared");	strcpy(PC.error, "no base class declared");
YYERROR;	YYERROR;
}	}
}	}
O($$, OP_GET_CLASS);	O(*$$, OP_GET_CLASS);
};	};
class_constructor_prefix: class_static_prefix ':' {	class_constructor_prefix: class_static_prefix ':' {
$$=$1;	$$=$1;
Line 514 class_constructor_prefix: class_static_p	Line 514 class_constructor_prefix: class_static_p
strcpy(PC.error, ":: not allowed here");	strcpy(PC.error, ":: not allowed here");
YYERROR;	YYERROR;
}	}
O($$, OP_PREPARE_TO_CONSTRUCT_OBJECT);	O(*$$, OP_PREPARE_TO_CONSTRUCT_OBJECT);
};	};


Line 522 class_constructor_prefix: class_static_p	Line 522 class_constructor_prefix: class_static_p

expr_value: expr {	expr_value: expr {
// see OP_PREPARE_TO_EXPRESSION!!	// see OP_PREPARE_TO_EXPRESSION!!
if(($$=$1)->size()==2) // only one string literal in there?	if(($$=$1)->count()==2) // only one string literal in there?
change_string_literal_to_double_literal($$); // make that string literal Double	change_string_literal_to_double_literal(*$$); // make that string literal Double
};	};
expr:	expr:
STRING	STRING
Line 533 expr:	Line 533 expr:
\| '\'' string_inside_quotes_value '\'' { $$ = $2; }	\| '\'' string_inside_quotes_value '\'' { $$ = $2; }
\| '(' expr ')' { $$ = $2; }	\| '(' expr ')' { $$ = $2; }
/* stack: operand // stack: @operand */	/* stack: operand // stack: @operand */
\| '-' expr %prec NEG { $$=$2; O($$, OP_NEG) }	\| '-' expr %prec NUNARY { $$=$2; O(*$$, OP_NEG) }
\| '+' expr %prec NEG { $$=$2 }	\| '+' expr %prec NUNARY { $$=$2 }
\| '~' expr { $$=$2; O($$, OP_INV) }	\| '~' expr { $$=$2; O(*$$, OP_INV) }
\| '!' expr { $$=$2; O($$, OP_NOT) }	\| '!' expr { $$=$2; O(*$$, OP_NOT) }
\| "def" expr { $$=$2; O($$, OP_DEF) }	\| "def" expr { $$=$2; O(*$$, OP_DEF) }
\| "in" expr { $$=$2; O($$, OP_IN) }	\| "in" expr { $$=$2; O(*$$, OP_IN) }
\| "-f" expr { $$=$2; O($$, OP_FEXISTS) }	\| "-f" expr { $$=$2; O(*$$, OP_FEXISTS) }
\| "-d" expr { $$=$2; O($$, OP_DEXISTS) }	\| "-d" expr { $$=$2; O(*$$, OP_DEXISTS) }
/* stack: a,b // stack: a@b */	/* stack: a,b // stack: a@b */
\| expr '-' expr { $$=$1; P($$, $3); O($$, OP_SUB) }	\| expr '-' expr { $$=$1; P($$, $3); O(*$$, OP_SUB) }
\| expr '+' expr { $$=$1; P($$, $3); O($$, OP_ADD) }	\| expr '+' expr { $$=$1; P($$, $3); O(*$$, OP_ADD) }
\| expr '*' expr { $$=$1; P($$, $3); O($$, OP_MUL) }	\| expr '' expr { $$=$1; P($$, $3); O($$, OP_MUL) }
\| expr '/' expr { $$=$1; P($$, $3); O($$, OP_DIV) }	\| expr '/' expr { $$=$1; P($$, $3); O(*$$, OP_DIV) }
\| expr '%' expr { $$=$1; P($$, $3); O($$, OP_MOD) }	\| expr '%' expr { $$=$1; P($$, $3); O(*$$, OP_MOD) }
\| expr '\\' expr { $$=$1; P($$, $3); O($$, OP_INTDIV) }	\| expr '\\' expr { $$=$1; P($$, $3); O(*$$, OP_INTDIV) }
\| expr "<<" expr { $$=$1; P($$, $3); O($$, OP_BIN_SL) }	\| expr "<<" expr { $$=$1; P($$, $3); O(*$$, OP_BIN_SL) }
\| expr ">>" expr { $$=$1; P($$, $3); O($$, OP_BIN_SR) }	\| expr ">>" expr { $$=$1; P($$, $3); O(*$$, OP_BIN_SR) }
\| expr '&' expr { $$=$1; P($$, $3); O($$, OP_BIN_AND) }	\| expr '&' expr { $$=$1; P($$, $3); O(*$$, OP_BIN_AND) }
\| expr '\|' expr { $$=$1; P($$, $3); O($$, OP_BIN_OR) }	\| expr '\|' expr { $$=$1; P($$, $3); O(*$$, OP_BIN_OR) }
\| expr "!\|" expr { $$=$1; P($$, $3); O($$, OP_BIN_XOR) }	\| expr "!\|" expr { $$=$1; P($$, $3); O(*$$, OP_BIN_XOR) }
\| expr "&&" expr { $$=$1; OA($$, OP_NESTED_CODE, $3); O($$, OP_LOG_AND) }	\| expr "&&" expr { $$=$1; OA($$, OP_NESTED_CODE, $3); O($$, OP_LOG_AND) }
\| expr "\|\|" expr { $$=$1; OA($$, OP_NESTED_CODE, $3); O($$, OP_LOG_OR) }	\| expr "\|\|" expr { $$=$1; OA($$, OP_NESTED_CODE, $3); O($$, OP_LOG_OR) }
\| expr "!\|\|" expr { $$=$1; P($$, $3); O($$, OP_LOG_XOR) }	\| expr "!\|\|" expr { $$=$1; P($$, $3); O(*$$, OP_LOG_XOR) }
\| expr '<' expr { $$=$1; P($$, $3); O($$, OP_NUM_LT) }	\| expr '<' expr { $$=$1; P($$, $3); O(*$$, OP_NUM_LT) }
\| expr '>' expr { $$=$1; P($$, $3); O($$, OP_NUM_GT) }	\| expr '>' expr { $$=$1; P($$, $3); O(*$$, OP_NUM_GT) }
\| expr "<=" expr { $$=$1; P($$, $3); O($$, OP_NUM_LE) }	\| expr "<=" expr { $$=$1; P($$, $3); O(*$$, OP_NUM_LE) }
\| expr ">=" expr { $$=$1; P($$, $3); O($$, OP_NUM_GE) }	\| expr ">=" expr { $$=$1; P($$, $3); O(*$$, OP_NUM_GE) }
\| expr "==" expr { $$=$1; P($$, $3); O($$, OP_NUM_EQ) }	\| expr "==" expr { $$=$1; P($$, $3); O(*$$, OP_NUM_EQ) }
\| expr "!=" expr { $$=$1; P($$, $3); O($$, OP_NUM_NE) }	\| expr "!=" expr { $$=$1; P($$, $3); O(*$$, OP_NUM_NE) }
\| expr "lt" expr { $$=$1; P($$, $3); O($$, OP_STR_LT) }	\| expr "lt" expr { $$=$1; P($$, $3); O(*$$, OP_STR_LT) }
\| expr "gt" expr { $$=$1; P($$, $3); O($$, OP_STR_GT) }	\| expr "gt" expr { $$=$1; P($$, $3); O(*$$, OP_STR_GT) }
\| expr "le" expr { $$=$1; P($$, $3); O($$, OP_STR_LE) }	\| expr "le" expr { $$=$1; P($$, $3); O(*$$, OP_STR_LE) }
\| expr "ge" expr { $$=$1; P($$, $3); O($$, OP_STR_GE) }	\| expr "ge" expr { $$=$1; P($$, $3); O(*$$, OP_STR_GE) }
\| expr "eq" expr { $$=$1; P($$, $3); O($$, OP_STR_EQ) }	\| expr "eq" expr { $$=$1; P($$, $3); O(*$$, OP_STR_EQ) }
\| expr "ne" expr { $$=$1; P($$, $3); O($$, OP_STR_NE) }	\| expr "ne" expr { $$=$1; P($$, $3); O(*$$, OP_STR_NE) }
\| expr "is" expr { $$=$1; P($$, $3); O($$, OP_IS) }	\| expr "is" expr { $$=$1; P($$, $3); O(*$$, OP_IS) }
;	;

string_inside_quotes_value: maybe_codes {	string_inside_quotes_value: maybe_codes {
$$=N(POOL);	$$=N();
OA($$, OP_STRING_POOL, $1); /* stack: empty write context */	OA($$, OP_STRING_POOL, $1); / stack: empty write context */
/* some code that writes to that context */	/* some code that writes to that context */
/* context=pop; stack: context.get_string() */	/* context=pop; stack: context.get_string() */
};	};
Line 582 string_inside_quotes_value: maybe_codes	Line 582 string_inside_quotes_value: maybe_codes

write_string: STRING {	write_string: STRING {
// optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE	// optimized from OP_STRING+OP_WRITE_VALUE to OP_STRING__WRITE
change_string_literal_to_write_string_literal($$=$1)	change_string_literal_to_write_string_literal(*($$=$1))
};	};

void_value: /* empty */ { $$=VL(NEW VVoid(POOL)) };	void_value: /* empty */ { $$=VL(new VVoid()) };
empty: /* empty */ { $$=N(POOL) };	empty: /* empty */ { $$=N() };

%%	%%
#endif	#endif
Line 647 static int yylex(YYSTYPE lvalp, void p	Line 647 static int yylex(YYSTYPE lvalp, void p
} else // @ in first column inside some code [when could that be?]	} else // @ in first column inside some code [when could that be?]
result=BAD_METHOD_DECL_START;	result=BAD_METHOD_DECL_START;
goto break2;	goto break2;
} else if(c=='^')	} else if(c=='^') {
	if(PC.ls==LS_METHOD_AFTER) {
	// handle after-method situation
	pop_LS(PC);
	result=EON;
	skip_analized=-1; // return to punctuation afterwards to assure it's literality
	goto break2;
	}
switch(PC.ls) {	switch(PC.ls) {
case LS_EXPRESSION_VAR_NAME_WITH_COLON:	case LS_EXPRESSION_VAR_NAME_WITH_COLON:
case LS_EXPRESSION_VAR_NAME_WITHOUT_COLON:	case LS_EXPRESSION_VAR_NAME_WITHOUT_COLON:
Line 669 default:	Line 676 default:
case '"': case ':':	case '"': case ':':
if(end!=begin) {	if(end!=begin) {
// append piece till ^	// append piece till ^
PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line);	PC.string.append(begin, end-begin);
}	}
// reset piece 'begin' position & line	// reset piece 'begin' position & line
end=begin=PC.source; // ^	begin=PC.source; // ->punctuation
begin_line=PC.line;	begin_line=PC.line;
if(PC.ls==LS_METHOD_AFTER) {	// skip over _ after ^
pop_LS(PC);	PC.source++; PC.col++;
result=EON;	// skip analysis = forced literal
skip_analized=-1; // return to ^ afterwards to assure it's literality	continue;
goto break2;
} else {
// skip over _ after ^
PC.source++; PC.col++;
// skip analysis = forced literal
continue;
}

// converting ^#HH into char(hex(HH))	// converting ^#HH into char(hex(HH))
case '#':	case '#':
if(end!=begin) {	if(end!=begin) {
// append piece till ^	// append piece till ^
PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line);	PC.string.append(begin, end-begin);
}	}
// #HH ?	// #HH ?
if(PC.source[0]=='#' && PC.source[1] && PC.source[2]) {	if(PC.source[0]=='#' && PC.source[1] && PC.source[2]) {
char hex=(char )POOL.malloc(1);	char c=
hex[0]=
hex_value[(unsigned char)PC.source[1]]*0x10+	hex_value[(unsigned char)PC.source[1]]*0x10+
hex_value[(unsigned char)PC.source[2]];	hex_value[(unsigned char)PC.source[2]];
if(hex[0]==0) {	if(c==0) {
result=BAD_HEX_LITERAL;	result=BAD_HEX_LITERAL;
goto break2; // wrong hex value[no ^#00 chars allowed]: bail out	goto break2; // wrong hex value[no ^#00 chars allowed]: bail out
}	}
// append char(hex(HH))	// append char(hex(HH))
PC.string->APPEND_CLEAN(hex, 1, PC.file, begin_line);	PC.string.append(c);
// skip over ^#HH	// skip over ^#HH
PC.source+=3;	PC.source+=3;
PC.col+=3;	PC.col+=3;
// reset piece 'begin' position & line	// reset piece 'begin' position & line
begin=PC.source; // ^	begin=PC.source; // ->after ^#HH
begin_line=PC.line;	begin_line=PC.line;
	// skip analysis = forced literal
continue;	continue;
}	}
break;	break;
}	}
break;	break;
	}
}	}
// #comment start skipping	// #comment start skipping
if(c=='#' && PC.col==1) {	if(c=='#' && PC.col==1) {
if(end!=begin) {	if(end!=begin) {
// append piece till #	// append piece till #
PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line);	PC.string.append(begin, end-begin);
}	}
// fall into COMMENT lexical state [wait for \n]	// fall into COMMENT lexical state [wait for \n]
push_LS(PC, LS_USER_COMMENT);	push_LS(PC, LS_USER_COMMENT);
Line 863 default:	Line 864 default:
case '#': // comment start skipping	case '#': // comment start skipping
if(end!=begin) {	if(end!=begin) {
// append piece till #	// append piece till #
PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line);	PC.string.append(begin, end-begin);
}	}
// fall into COMMENT lexical state [wait for \n]	// fall into COMMENT lexical state [wait for \n]
push_LS(PC, LS_EXPRESSION_COMMENT);	push_LS(PC, LS_EXPRESSION_COMMENT);
Line 1295 break2:	Line 1296 break2:
}	}
if(end!=begin && PC.ls!=LS_USER_COMMENT) { // last piece still alive and not comment?	if(end!=begin && PC.ls!=LS_USER_COMMENT) { // last piece still alive and not comment?
// append it	// append it
PC.string->APPEND_CLEAN(begin, end-begin, PC.file, begin_line/, start_col/);	PC.string.append(begin, end-begin);
}	}
}	}
if(PC.string->size()) { // something accumulated?	if(!PC.string.is_empty()) { // something accumulated?
// create STRING value: array of OP_VALUE+vstring	// create STRING value: array of OP_VALUE+vstring
lvalp=VL(NEW VString(PC.string));	lvalp=VL(new VString(new String(PC.string, String::L_CLEAN)));
// new pieces storage	// new pieces storage
PC.string=NEW String(POOL);	PC.string.clear();
// make current result be pending for next call, return STRING for now	// make current result be pending for next call, return STRING for now
PC.pending_state=result; result=STRING;	PC.pending_state=result; result=STRING;
}	}
Line 1319 static int real_yyerror(parse_control *p	Line 1320 static int real_yyerror(parse_control *p

static void yyprint(FILE *file, int type, YYSTYPE value) {	static void yyprint(FILE *file, int type, YYSTYPE value) {
if(type==STRING)	if(type==STRING)
fprintf(file, " \"%s\"", LA2S(value)->cstr());	fprintf(file, " \"%s\"", LA2S(*value)->cstr());
}	}

E-mail:

Removed from v.1.199
changed lines
	Added in v.1.204.2.8.2.4