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			565 lines
		
	
	
		
			11 KiB
		
	
	
	
		
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			565 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
%{
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/******************************************************************************
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 * Icinga 2                                                                   *
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 * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/)  *
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 *                                                                            *
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 * This program is free software; you can redistribute it and/or              *
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 * modify it under the terms of the GNU General Public License                *
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 * as published by the Free Software Foundation; either version 2             *
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 * of the License, or (at your option) any later version.                     *
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 *                                                                            *
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 * This program is distributed in the hope that it will be useful,            *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
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 * GNU General Public License for more details.                               *
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 *                                                                            *
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 * You should have received a copy of the GNU General Public License          *
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 * along with this program; if not, write to the Free Software Foundation     *
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
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 ******************************************************************************/
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#include "classcompiler.hpp"
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#include <iostream>
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#include <vector>
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#include <cstring>
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using std::malloc;
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using std::free;
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using std::exit;
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using namespace icinga;
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#define YYLTYPE icinga::ClassDebugInfo
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%}
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%pure-parser
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%locations
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%defines
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%error-verbose
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%parse-param { ClassCompiler *context }
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%lex-param { void *scanner }
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%union {
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	char *text;
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	int num;
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	FieldType *type;
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	Field *field;
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	std::vector<Field> *fields;
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	Klass *klass;
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	FieldAccessor *fieldaccessor;
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	std::vector<FieldAccessor> *fieldaccessors;
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	Rule *rule;
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	std::vector<Rule> *rules;
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	Validator *validator;
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}
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%token T_INCLUDE "#include (T_INCLUDE)"
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%token T_IMPL_INCLUDE "#impl_include (T_IMPL_INCLUDE)"
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%token T_CLASS "class (T_CLASS)"
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%token T_CODE "code (T_CODE)"
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%token T_LOAD_AFTER "load_after (T_LOAD_AFTER)"
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%token T_LIBRARY "library (T_LIBRARY)"
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%token T_NAMESPACE "namespace (T_NAMESPACE)"
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%token T_VALIDATOR "validator (T_VALIDATOR)"
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%token T_REQUIRED "required (T_REQUIRED)"
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%token T_NAVIGATION "navigation (T_NAVIGATION)"
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%token T_NAME "name (T_NAME)"
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%token T_ARRAY "array (T_ARRAY)"
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%token T_STRING "string (T_STRING)"
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%token T_ANGLE_STRING "angle_string (T_ANGLE_STRING)"
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%token T_FIELD_ATTRIBUTE "field_attribute (T_FIELD_ATTRIBUTE)"
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%token T_CLASS_ATTRIBUTE "class_attribute (T_CLASS_ATTRIBUTE)"
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%token T_IDENTIFIER "identifier (T_IDENTIFIER)"
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%token T_GET "get (T_GET)"
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%token T_SET "set (T_SET)"
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%token T_DEFAULT "default (T_DEFAULT)"
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%token T_FIELD_ACCESSOR_TYPE "field_accessor_type (T_FIELD_ACCESSOR_TYPE)"
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%type <text> T_IDENTIFIER
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%type <text> T_STRING
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%type <text> T_ANGLE_STRING
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%type <text> identifier
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%type <text> alternative_name_specifier
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%type <text> inherits_specifier
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%type <text> type_base_specifier
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%type <text> include
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%type <text> angle_include
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%type <text> impl_include
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%type <text> angle_impl_include
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%type <text> code
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%type <num> T_FIELD_ATTRIBUTE
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%type <field> field_attribute
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%type <field> field_attributes
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%type <field> field_attribute_list
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%type <num> T_FIELD_ACCESSOR_TYPE
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%type <num> T_CLASS_ATTRIBUTE
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%type <num> class_attribute_list
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%type <type> field_type
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%type <field> class_field
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%type <fields> class_fields
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%type <klass> class
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%type <fieldaccessors> field_accessor_list
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%type <fieldaccessors> field_accessors
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%type <fieldaccessor> field_accessor
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%type <rule> validator_rule
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%type <rules> validator_rules
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%type <validator> validator
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%{
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int yylex(YYSTYPE *lvalp, YYLTYPE *llocp, void *scanner);
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void yyerror(YYLTYPE *locp, ClassCompiler *, const char *err)
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{
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	std::cerr << "in " << locp->path << " at " << locp->first_line << ":" << locp->first_column << "-" << locp->last_line << ":" << locp->last_column << ": "
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			  << err
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			  << std::endl;
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	std::exit(1);
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}
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int yyparse(ClassCompiler *context);
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void ClassCompiler::Compile(void)
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{
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	try {
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		yyparse(this);
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	} catch (const std::exception& ex) {
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		std::cerr << "Exception: " << ex.what();
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	}
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	HandleMissingValidators();
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}
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#define scanner (context->GetScanner())
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%}
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%%
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statements: /* empty */
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	| statements statement
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	;
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statement: include
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	{
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		context->HandleInclude($1, yylloc);
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		std::free($1);
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	}
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	| angle_include
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	{
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		context->HandleAngleInclude($1, yylloc);
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		std::free($1);
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	}
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	| impl_include
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	{
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		context->HandleImplInclude($1, yylloc);
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		std::free($1);
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	}
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	| angle_impl_include
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	{
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		context->HandleAngleImplInclude($1, yylloc);
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		std::free($1);
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	}
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	| class
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	{
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		context->HandleClass(*$1, yylloc);
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		delete $1;
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	}
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	| validator
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	{
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		context->HandleValidator(*$1, yylloc);
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		delete $1;
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	}
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	| namespace
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	| code
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	{
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		context->HandleCode($1, yylloc);
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		std::free($1);
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	}
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	| library
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	;
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include: T_INCLUDE T_STRING
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	{
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		$$ = $2;
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	}
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	;
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angle_include: T_INCLUDE T_ANGLE_STRING
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	{
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		$$ = $2;
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	}
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	;
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impl_include: T_IMPL_INCLUDE T_STRING
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	{
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		$$ = $2;
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	}
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	;
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angle_impl_include: T_IMPL_INCLUDE T_ANGLE_STRING
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	{
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		$$ = $2;
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	}
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	;
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namespace: T_NAMESPACE identifier '{'
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	{
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		context->HandleNamespaceBegin($2, yylloc);
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		std::free($2);
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	}
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	statements '}'
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	{
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		context->HandleNamespaceEnd(yylloc);
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	}
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	;
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code: T_CODE T_STRING
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	{
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		$$ = $2;
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	}
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	;
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library: T_LIBRARY T_IDENTIFIER ';'
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	{
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		context->HandleLibrary($2, yylloc);
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		free($2);
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	}
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	;
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class: class_attribute_list T_CLASS T_IDENTIFIER inherits_specifier type_base_specifier '{' class_fields '}' ';'
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	{
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		$$ = new Klass();
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		$$->Name = $3;
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		std::free($3);
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		if ($4) {
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			$$->Parent = $4;
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			std::free($4);
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		}
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		if ($5) {
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			$$->TypeBase = $5;
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			std::free($5);
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		}
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		$$->Attributes = $1;
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		for (std::vector<Field>::iterator it = $7->begin(); it != $7->end(); it++) {
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			if (it->Attributes & FALoadDependency) {
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				$$->LoadDependencies.push_back(it->Name);
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			} else
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				$$->Fields.push_back(*it);
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		}
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		delete $7;
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		ClassCompiler::OptimizeStructLayout($$->Fields);
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	}
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	;
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class_attribute_list: /* empty */
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	{
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		$$ = 0;
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	}
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	| T_CLASS_ATTRIBUTE
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	{
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		$$ = $1;
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	}
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	| class_attribute_list T_CLASS_ATTRIBUTE
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	{
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		$$ = $1 | $2;
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	}
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inherits_specifier: /* empty */
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	{
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		$$ = NULL;
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	}
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	| ':' identifier
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	{
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		$$ = $2;
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	}
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	;
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type_base_specifier: /* empty */
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	{
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		$$ = NULL;
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	}
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	| '<' identifier
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	{
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		$$ = $2;
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	}
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	;
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class_fields: /* empty */
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	{
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		$$ = new std::vector<Field>();
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	}
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	| class_fields class_field
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	{
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		$$->push_back(*$2);
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		delete $2;
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	}
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	;
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field_type: identifier
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	{
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		$$ = new FieldType();
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		$$->IsName = false;
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		$$->TypeName = $1;
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		free($1);
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	}
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	| T_NAME '(' identifier ')'
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	{
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		$$ = new FieldType();
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		$$->IsName = true;
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		$$->TypeName = $3;
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		$$->ArrayRank = 0;
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		free($3);
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	}
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	| T_ARRAY '(' field_type ')'
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	{
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		$$ = $3;
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		$$->ArrayRank++;
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	}
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	;
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class_field: field_attribute_list field_type identifier alternative_name_specifier field_accessor_list ';'
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	{
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		Field *field = $1;
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		if ((field->Attributes & (FAConfig | FAState)) == 0)
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			field->Attributes |= FAEphemeral;
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		field->Type = *$2;
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		delete $2;
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		field->Name = $3;
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		std::free($3);
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		if ($4) {
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			field->AlternativeName = $4;
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			std::free($4);
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		}
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		std::vector<FieldAccessor>::const_iterator it;
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		for (it = $5->begin(); it != $5->end(); it++) {
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			switch (it->Type) {
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				case FTGet:
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					field->GetAccessor = it->Accessor;
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					field->PureGetAccessor = it->Pure;
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					break;
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				case FTSet:
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					field->SetAccessor = it->Accessor;
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					field->PureSetAccessor = it->Pure;
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					break;
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				case FTDefault:
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					field->DefaultAccessor = it->Accessor;
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					break;
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				case FTTrack:
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					field->TrackAccessor = it->Accessor;
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					break;
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				case FTNavigate:
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					field->NavigateAccessor = it->Accessor;
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					field->PureNavigateAccessor = it->Pure;
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					break;
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			}
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		}
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		delete $5;
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		$$ = field;
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	}
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	| T_LOAD_AFTER identifier ';'
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	{
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		Field *field = new Field();
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		field->Attributes = FALoadDependency;
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		field->Name = $2;
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		std::free($2);
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		$$ = field;
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	}
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	;
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alternative_name_specifier: /* empty */
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	{
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		$$ = NULL;
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	}
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	| '(' identifier ')'
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	{
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		$$ = $2;
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	}
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	;
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field_attribute_list: /* empty */
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	{
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		$$ = new Field();
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	}
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	| '[' field_attributes ']'
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	{
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		$$ = $2;
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	}
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	;
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field_attribute: T_FIELD_ATTRIBUTE
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	{
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		$$ = new Field();
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		$$->Attributes = $1;
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	}
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	| T_REQUIRED
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	{
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		$$ = new Field();
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		$$->Attributes = FARequired;
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	}
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	| T_NAVIGATION '(' identifier ')'
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	{
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		$$ = new Field();
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		$$->Attributes = FANavigation;
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		$$->NavigationName = $3;
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		std::free($3);
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	}
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	| T_NAVIGATION
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	{
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		$$ = new Field();
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		$$->Attributes = FANavigation;
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	}
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	;
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field_attributes: /* empty */
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	{
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		$$ = new Field();
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	}
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	| field_attributes ',' field_attribute
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	{
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		$$ = $1;
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		$$->Attributes |= $3->Attributes;
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		if (!$3->NavigationName.empty())
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			$$->NavigationName = $3->NavigationName;
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		delete $3;
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	}
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	| field_attribute
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	{
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						|
		$$ = $1;
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	}
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	;
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						|
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field_accessor_list: /* empty */
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						|
	{
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						|
		$$ = new std::vector<FieldAccessor>();
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						|
	}
 | 
						|
	| '{' field_accessors '}'
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						|
	{
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						|
		$$ = $2;
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						|
	}
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						|
	;
 | 
						|
 | 
						|
field_accessors: /* empty */
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						|
	{
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						|
		$$ = new std::vector<FieldAccessor>();
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	}
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						|
	| field_accessors field_accessor
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	{
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						|
		$$ = $1;
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						|
		$$->push_back(*$2);
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						|
		delete $2;
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						|
	}
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						|
	;
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						|
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field_accessor: T_FIELD_ACCESSOR_TYPE T_STRING
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	{
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		$$ = new FieldAccessor(static_cast<FieldAccessorType>($1), $2, false);
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						|
		std::free($2);
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	}
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						|
	| T_FIELD_ACCESSOR_TYPE ';'
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	{
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						|
		$$ = new FieldAccessor(static_cast<FieldAccessorType>($1), "", true);
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						|
	}
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						|
	;
 | 
						|
 | 
						|
validator_rules: /* empty */
 | 
						|
	{
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						|
		$$ = new std::vector<Rule>();
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						|
	}
 | 
						|
	| validator_rules validator_rule
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						|
	{
 | 
						|
		$$->push_back(*$2);
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						|
		delete $2;
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						|
	}
 | 
						|
	;
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						|
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						|
validator_rule: T_NAME '(' T_IDENTIFIER ')' identifier ';'
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						|
	{
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						|
		$$ = new Rule();
 | 
						|
		$$->Attributes = 0;
 | 
						|
		$$->IsName = true;
 | 
						|
		$$->Type = $3;
 | 
						|
		std::free($3);
 | 
						|
		$$->Pattern = $5;
 | 
						|
		std::free($5);
 | 
						|
	}
 | 
						|
	| T_IDENTIFIER identifier ';'
 | 
						|
	{
 | 
						|
		$$ = new Rule();
 | 
						|
		$$->Attributes = 0;
 | 
						|
		$$->IsName = false;
 | 
						|
		$$->Type = $1;
 | 
						|
		std::free($1);
 | 
						|
		$$->Pattern = $2;
 | 
						|
		std::free($2);
 | 
						|
	}
 | 
						|
	| T_NAME '(' T_IDENTIFIER ')' identifier '{' validator_rules '}' ';'
 | 
						|
	{
 | 
						|
		$$ = new Rule();
 | 
						|
		$$->Attributes = 0;
 | 
						|
		$$->IsName = true;
 | 
						|
		$$->Type = $3;
 | 
						|
		std::free($3);
 | 
						|
		$$->Pattern = $5;
 | 
						|
		std::free($5);
 | 
						|
		$$->Rules = *$7;
 | 
						|
		delete $7;
 | 
						|
	}
 | 
						|
	| T_IDENTIFIER identifier '{' validator_rules '}' ';'
 | 
						|
	{
 | 
						|
		$$ = new Rule();
 | 
						|
		$$->Attributes = 0;
 | 
						|
		$$->IsName = false;
 | 
						|
		$$->Type = $1;
 | 
						|
		std::free($1);
 | 
						|
		$$->Pattern = $2;
 | 
						|
		std::free($2);
 | 
						|
		$$->Rules = *$4;
 | 
						|
		delete $4;
 | 
						|
	}
 | 
						|
	| T_REQUIRED identifier ';'
 | 
						|
	{
 | 
						|
		$$ = new Rule();
 | 
						|
		$$->Attributes = RARequired;
 | 
						|
		$$->IsName = false;
 | 
						|
		$$->Type = "";
 | 
						|
		$$->Pattern = $2;
 | 
						|
		std::free($2);
 | 
						|
	}
 | 
						|
	;
 | 
						|
 | 
						|
validator: T_VALIDATOR T_IDENTIFIER '{' validator_rules '}' ';'
 | 
						|
	{
 | 
						|
		$$ = new Validator();
 | 
						|
 | 
						|
		$$->Name = $2;
 | 
						|
		std::free($2);
 | 
						|
 | 
						|
		$$->Rules = *$4;
 | 
						|
		delete $4;
 | 
						|
	}
 | 
						|
	;
 | 
						|
 | 
						|
identifier: T_IDENTIFIER
 | 
						|
	| T_STRING
 | 
						|
	{
 | 
						|
		$$ = $1;
 | 
						|
	}
 | 
						|
	;
 |