mirror of https://github.com/Icinga/icinga2.git
719 lines
16 KiB
Plaintext
719 lines
16 KiB
Plaintext
%{
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#define YYDEBUG 1
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/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://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 "i2-config.h"
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#include "config/configitembuilder.h"
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#include "config/configcompiler.h"
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#include "config/configcompilercontext.h"
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#include "config/configerror.h"
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#include "config/typerule.h"
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#include "config/typerulelist.h"
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#include "config/aexpression.h"
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#include "config/applyrule.h"
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#include "base/value.h"
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#include "base/utility.h"
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#include "base/array.h"
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#include "base/scriptvariable.h"
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#include "base/exception.h"
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#include "base/dynamictype.h"
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#include <sstream>
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#include <stack>
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#include <boost/foreach.hpp>
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#define YYLTYPE icinga::DebugInfo
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#define YYERROR_VERBOSE
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#define YYLLOC_DEFAULT(Current, Rhs, N) \
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do { \
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if (N) { \
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(Current).Path = YYRHSLOC(Rhs, 1).Path; \
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(Current).FirstLine = YYRHSLOC(Rhs, 1).FirstLine; \
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(Current).FirstColumn = YYRHSLOC(Rhs, 1).FirstColumn; \
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(Current).LastLine = YYRHSLOC(Rhs, N).LastLine; \
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(Current).LastColumn = YYRHSLOC(Rhs, N).LastColumn; \
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} else { \
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(Current).Path = YYRHSLOC(Rhs, 0).Path; \
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(Current).FirstLine = (Current).LastLine = \
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YYRHSLOC(Rhs, 0).LastLine; \
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(Current).FirstColumn = (Current).LastColumn = \
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YYRHSLOC(Rhs, 0).LastColumn; \
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} \
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} while (0)
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#define YY_LOCATION_PRINT(file, loc) \
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do { \
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std::ostringstream msgbuf; \
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msgbuf << loc; \
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std::string str = msgbuf.str(); \
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fputs(str.c_str(), file); \
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} while (0)
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using namespace icinga;
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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 { ConfigCompiler *context }
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%lex-param { void *scanner }
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%union {
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char *text;
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double num;
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icinga::Value *variant;
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icinga::AExpression::OpCallback op;
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icinga::TypeSpecifier type;
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std::vector<String> *slist;
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Array *array;
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}
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%token <text> T_STRING
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%token <text> T_STRING_ANGLE
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%token <num> T_NUMBER
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%token T_NULL
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%token <text> T_IDENTIFIER
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%token <op> T_SET "= (T_SET)"
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%token <op> T_SET_PLUS "+= (T_SET_PLUS)"
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%token <op> T_SET_MINUS "-= (T_SET_MINUS)"
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%token <op> T_SET_MULTIPLY "*= (T_SET_MULTIPLY)"
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%token <op> T_SET_DIVIDE "/= (T_SET_DIVIDE)"
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%token <op> T_SHIFT_LEFT "<< (T_SHIFT_LEFT)"
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%token <op> T_SHIFT_RIGHT ">> (T_SHIFT_RIGHT)"
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%token <op> T_EQUAL "== (T_EQUAL)"
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%token <op> T_NOT_EQUAL "!= (T_NOT_EQUAL)"
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%token <op> T_IN "in (T_IN)"
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%token <op> T_NOT_IN "!in (T_NOT_IN)"
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%token <op> T_LOGICAL_AND "&& (T_LOGICAL_AND)"
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%token <op> T_LOGICAL_OR "|| (T_LOGICAL_OR)"
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%token <op> T_LESS_THAN_OR_EQUAL "<= (T_LESS_THAN_OR_EQUAL)"
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%token <op> T_GREATER_THAN_OR_EQUAL ">= (T_GREATER_THAN_OR_EQUAL)"
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%token <op> T_PLUS "+ (T_PLUS)"
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%token <op> T_MINUS "- (T_MINUS)"
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%token <op> T_MULTIPLY "* (T_MULTIPLY)"
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%token <op> T_DIVIDE "/ (T_DIVIDE)"
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%token <op> T_BINARY_AND "& (T_BINARY_AND)"
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%token <op> T_BINARY_OR "| (T_BINARY_OR)"
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%token <op> T_LESS_THAN "< (T_LESS_THAN)"
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%token <op> T_GREATER_THAN "> (T_GREATER_THAN)"
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%token T_VAR "var (T_VAR)"
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%token T_CONST "const (T_CONST)"
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%token <type> T_TYPE_DICTIONARY "dictionary (T_TYPE_DICTIONARY)"
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%token <type> T_TYPE_ARRAY "array (T_TYPE_ARRAY)"
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%token <type> T_TYPE_NUMBER "number (T_TYPE_NUMBER)"
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%token <type> T_TYPE_STRING "string (T_TYPE_STRING)"
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%token <type> T_TYPE_SCALAR "scalar (T_TYPE_SCALAR)"
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%token <type> T_TYPE_ANY "any (T_TYPE_ANY)"
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%token <type> T_TYPE_NAME "name (T_TYPE_NAME)"
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%token T_VALIDATOR "%validator (T_VALIDATOR)"
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%token T_REQUIRE "%require (T_REQUIRE)"
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%token T_ATTRIBUTE "%attribute (T_ATTRIBUTE)"
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%token T_TYPE "type (T_TYPE)"
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%token T_OBJECT "object (T_OBJECT)"
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%token T_TEMPLATE "template (T_TEMPLATE)"
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%token T_INCLUDE "include (T_INCLUDE)"
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%token T_INCLUDE_RECURSIVE "include_recursive (T_INCLUDE_RECURSIVE)"
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%token T_LIBRARY "library (T_LIBRARY)"
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%token T_INHERITS "inherits (T_INHERITS)"
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%token T_PARTIAL "partial (T_PARTIAL)"
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%token T_APPLY "apply (T_APPLY)"
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%token T_TO "to (T_TO)"
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%token T_WHERE "where (T_WHERE)"
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%type <text> identifier
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%type <array> rterm_items
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%type <array> rterm_items_inner
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%type <array> lterm_items
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%type <array> lterm_items_inner
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%type <variant> typerulelist
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%type <op> lbinary_op
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%type <op> rbinary_op
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%type <type> type
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%type <num> partial_specifier
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%type <slist> object_inherits_list
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%type <slist> object_inherits_specifier
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%type <variant> rterm
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%type <variant> rterm_scope
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%type <variant> lterm
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%type <num> variable_decl
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%left T_LOGICAL_OR
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%left T_LOGICAL_AND
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%left T_IN
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%left T_NOT_IN
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%nonassoc T_EQUAL
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%nonassoc T_NOT_EQUAL
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%left '+' '-'
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%left '*' '/'
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%left '&'
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%left '|'
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%right '~'
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%right '!'
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%{
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int yylex(YYSTYPE *lvalp, YYLTYPE *llocp, void *scanner);
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void yyerror(YYLTYPE *locp, ConfigCompiler *, const char *err)
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{
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std::ostringstream message;
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message << *locp << ": " << err;
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ConfigCompilerContext::GetInstance()->AddMessage(true, message.str(), *locp);
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}
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int yyparse(ConfigCompiler *context);
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static bool m_Abstract;
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static std::stack<TypeRuleList::Ptr> m_RuleLists;
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static ConfigType::Ptr m_Type;
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static Dictionary::Ptr m_ModuleScope;
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void ConfigCompiler::Compile(void)
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{
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m_ModuleScope = make_shared<Dictionary>();
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try {
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yyparse(this);
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} catch (const ConfigError& ex) {
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const DebugInfo *di = boost::get_error_info<errinfo_debuginfo>(ex);
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ConfigCompilerContext::GetInstance()->AddMessage(true, ex.what(), di ? *di : DebugInfo());
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} catch (const std::exception& ex) {
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ConfigCompilerContext::GetInstance()->AddMessage(true, DiagnosticInformation(ex));
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}
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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: object | type | include | include_recursive | library | variable | apply
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{ }
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| lterm
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{
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AExpression::Ptr aexpr = *$1;
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aexpr->Evaluate(m_ModuleScope);
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delete $1;
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}
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;
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include: T_INCLUDE rterm
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{
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AExpression::Ptr aexpr = static_cast<AExpression::Ptr>(*$2);
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delete $2;
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context->HandleInclude(aexpr->Evaluate(m_ModuleScope), false, DebugInfoRange(@1, @2));
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}
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| T_INCLUDE T_STRING_ANGLE
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{
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context->HandleInclude($2, true, DebugInfoRange(@1, @2));
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free($2);
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}
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;
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include_recursive: T_INCLUDE_RECURSIVE rterm
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{
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AExpression::Ptr aexpr = static_cast<AExpression::Ptr>(*$2);
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delete $2;
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context->HandleIncludeRecursive(aexpr->Evaluate(m_ModuleScope), "*.conf", DebugInfoRange(@1, @2));
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}
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| T_INCLUDE_RECURSIVE rterm rterm
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{
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AExpression::Ptr aexpr1 = static_cast<AExpression::Ptr>(*$2);
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delete $2;
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AExpression::Ptr aexpr2 = static_cast<AExpression::Ptr>(*$3);
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delete $3;
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context->HandleIncludeRecursive(aexpr1->Evaluate(m_ModuleScope), aexpr2->Evaluate(m_ModuleScope), DebugInfoRange(@1, @3));
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}
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;
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library: T_LIBRARY T_STRING
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{
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context->HandleLibrary($2);
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free($2);
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}
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;
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variable: variable_decl identifier T_SET rterm
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{
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AExpression::Ptr aexpr = static_cast<AExpression::Ptr>(*$4);
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delete $4;
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ScriptVariable::Ptr sv = ScriptVariable::Set($2, aexpr->Evaluate(m_ModuleScope));
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sv->SetConstant(true);
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free($2);
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}
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;
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variable_decl: T_VAR
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{
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$$ = true;
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}
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| T_CONST
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{
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$$ = false;
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}
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;
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identifier: T_IDENTIFIER
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| T_STRING
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{
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$$ = $1;
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}
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;
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type: partial_specifier T_TYPE identifier
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{
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String name = String($3);
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free($3);
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m_Type = ConfigType::GetByName(name);
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if (!m_Type) {
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if ($1)
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BOOST_THROW_EXCEPTION(ConfigError("Partial type definition for unknown type '" + name + "'") << errinfo_debuginfo(DebugInfoRange(@1, @3)));
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m_Type = make_shared<ConfigType>(name, DebugInfoRange(@1, @3));
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m_Type->Register();
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}
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}
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type_inherits_specifier typerulelist
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{
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TypeRuleList::Ptr ruleList = *$6;
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m_Type->GetRuleList()->AddRules(ruleList);
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m_Type->GetRuleList()->AddRequires(ruleList);
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String validator = ruleList->GetValidator();
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if (!validator.IsEmpty())
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m_Type->GetRuleList()->SetValidator(validator);
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delete $6;
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}
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;
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partial_specifier: /* Empty */
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{
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$$ = 0;
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}
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| T_PARTIAL
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{
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$$ = 1;
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}
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;
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typerulelist: '{'
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{
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m_RuleLists.push(make_shared<TypeRuleList>());
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}
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typerules
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'}'
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{
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$$ = new Value(m_RuleLists.top());
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m_RuleLists.pop();
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}
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;
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typerules: typerules_inner
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| typerules_inner ','
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typerules_inner: /* empty */
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| typerule
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| typerules_inner ',' typerule
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;
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typerule: T_REQUIRE T_STRING
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{
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m_RuleLists.top()->AddRequire($2);
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free($2);
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}
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| T_VALIDATOR T_STRING
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{
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m_RuleLists.top()->SetValidator($2);
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free($2);
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}
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| T_ATTRIBUTE type T_STRING
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{
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TypeRule rule($2, String(), $3, TypeRuleList::Ptr(), DebugInfoRange(@1, @3));
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free($3);
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m_RuleLists.top()->AddRule(rule);
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}
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| T_ATTRIBUTE T_TYPE_NAME '(' identifier ')' T_STRING
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{
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TypeRule rule($2, $4, $6, TypeRuleList::Ptr(), DebugInfoRange(@1, @6));
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free($4);
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free($6);
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m_RuleLists.top()->AddRule(rule);
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}
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| T_ATTRIBUTE type T_STRING typerulelist
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{
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TypeRule rule($2, String(), $3, *$4, DebugInfoRange(@1, @4));
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free($3);
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delete $4;
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m_RuleLists.top()->AddRule(rule);
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}
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;
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type_inherits_specifier: /* empty */
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| T_INHERITS identifier
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{
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m_Type->SetParent($2);
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free($2);
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}
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;
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type: T_TYPE_DICTIONARY
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| T_TYPE_ARRAY
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| T_TYPE_NUMBER
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| T_TYPE_STRING
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| T_TYPE_SCALAR
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| T_TYPE_ANY
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| T_TYPE_NAME
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{
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$$ = $1;
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}
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;
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object:
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{
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m_Abstract = false;
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}
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object_declaration identifier rterm object_inherits_specifier rterm_scope
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{
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DebugInfo di = DebugInfoRange(@2, @6);
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ConfigItemBuilder::Ptr item = make_shared<ConfigItemBuilder>(di);
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AExpression::Ptr aexpr = static_cast<AExpression::Ptr>(*$4);
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delete $4;
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String name = aexpr->Evaluate(m_ModuleScope);
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ConfigItem::Ptr oldItem = ConfigItem::GetObject($3, name);
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if (oldItem) {
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std::ostringstream msgbuf;
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msgbuf << "Object '" << name << "' of type '" << $3 << "' re-defined: " << di << "; previous definition: " << oldItem->GetDebugInfo();
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free($3);
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delete $5;
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BOOST_THROW_EXCEPTION(ConfigError(msgbuf.str()) << errinfo_debuginfo(di));
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}
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item->SetType($3);
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if (name.FindFirstOf("!") != String::NPos) {
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std::ostringstream msgbuf;
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msgbuf << "Name for object '" << name << "' of type '" << $3 << "' is invalid: Object names may not contain '!'";
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free($3);
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BOOST_THROW_EXCEPTION(ConfigError(msgbuf.str()) << errinfo_debuginfo(@4));
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}
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free($3);
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item->SetName(name);
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|
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if ($5) {
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BOOST_FOREACH(const String& parent, *$5) {
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item->AddParent(parent);
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}
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delete $5;
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}
|
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|
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AExpression::Ptr exprl = static_cast<AExpression::Ptr>(*$6);
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delete $6;
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exprl->MakeInline();
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item->AddExpression(exprl);
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item->SetAbstract(m_Abstract);
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|
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item->Compile()->Register();
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item.reset();
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}
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;
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object_declaration: T_OBJECT
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| T_TEMPLATE
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{
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m_Abstract = true;
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}
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|
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object_inherits_list:
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{
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$$ = NULL;
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}
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| T_STRING
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{
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$$ = new std::vector<String>();
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$$->push_back($1);
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free($1);
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}
|
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| object_inherits_list ',' T_STRING
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{
|
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if ($1)
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$$ = $1;
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else
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$$ = new std::vector<String>();
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$$->push_back($3);
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free($3);
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}
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;
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object_inherits_specifier:
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{
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$$ = NULL;
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}
|
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| T_INHERITS object_inherits_list
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{
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$$ = $2;
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}
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;
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lbinary_op: T_SET
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| T_SET_PLUS
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| T_SET_MINUS
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| T_SET_MULTIPLY
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| T_SET_DIVIDE
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{
|
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$$ = $1;
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}
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;
|
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lterm_items: lterm_items_inner
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{
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$$ = $1;
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}
|
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| lterm_items_inner ','
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{
|
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$$ = $1;
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}
|
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|
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lterm_items_inner: /* empty */
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{
|
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$$ = new Array();
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}
|
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| lterm
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{
|
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$$ = new Array();
|
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$$->Add(*$1);
|
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delete $1;
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}
|
|
| lterm_items_inner ',' lterm
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|
{
|
|
if ($1)
|
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$$ = $1;
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|
else
|
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$$ = new Array();
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|
|
$$->Add(*$3);
|
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delete $3;
|
|
}
|
|
;
|
|
|
|
lterm: identifier lbinary_op rterm
|
|
{
|
|
AExpression::Ptr aexpr = static_cast<AExpression::Ptr>(*$3);
|
|
$$ = new Value(make_shared<AExpression>($2, $1, aexpr, DebugInfoRange(@1, @3)));
|
|
free($1);
|
|
delete $3;
|
|
}
|
|
| identifier '[' T_STRING ']' lbinary_op rterm
|
|
{
|
|
AExpression::Ptr subexpr = make_shared<AExpression>($5, $3, static_cast<AExpression::Ptr>(*$6), DebugInfoRange(@1, @6));
|
|
free($3);
|
|
delete $6;
|
|
|
|
Array::Ptr subexprl = make_shared<Array>();
|
|
subexprl->Add(subexpr);
|
|
|
|
AExpression::Ptr expr = make_shared<AExpression>(&AExpression::OpDict, subexprl, DebugInfoRange(@1, @6));
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpSetPlus, $1, expr, DebugInfoRange(@1, @6)));
|
|
free($1);
|
|
}
|
|
| rterm
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
rbinary_op: T_PLUS
|
|
| T_MINUS
|
|
| T_MULTIPLY
|
|
| T_DIVIDE
|
|
| T_BINARY_AND
|
|
| T_BINARY_OR
|
|
| T_LESS_THAN
|
|
| T_GREATER_THAN
|
|
| T_LESS_THAN_OR_EQUAL
|
|
| T_GREATER_THAN_OR_EQUAL
|
|
| T_EQUAL
|
|
| T_NOT_EQUAL
|
|
| T_IN
|
|
| T_NOT_IN
|
|
| T_LOGICAL_AND
|
|
| T_LOGICAL_OR
|
|
| T_SHIFT_LEFT
|
|
| T_SHIFT_RIGHT
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
rterm_items: rterm_items_inner
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| rterm_items_inner ','
|
|
{
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
rterm_items_inner: /* empty */
|
|
{
|
|
$$ = new Array();
|
|
}
|
|
| rterm
|
|
{
|
|
$$ = new Array();
|
|
$$->Add(*$1);
|
|
delete $1;
|
|
}
|
|
| rterm_items_inner ',' rterm
|
|
{
|
|
if ($1)
|
|
$$ = $1;
|
|
else
|
|
$$ = new Array();
|
|
|
|
$$->Add(*$3);
|
|
delete $3;
|
|
}
|
|
;
|
|
|
|
rbinary_op: '+'
|
|
{
|
|
$$ = &AExpression::OpAdd;
|
|
}
|
|
;
|
|
|
|
rterm_scope: '{' lterm_items '}'
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpDict, Array::Ptr($2), DebugInfoRange(@1, @3)));
|
|
}
|
|
;
|
|
|
|
rterm: T_STRING
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpLiteral, $1, @1));
|
|
free($1);
|
|
}
|
|
| T_NUMBER
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpLiteral, $1, @1));
|
|
}
|
|
| T_NULL
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpLiteral, Empty, @1));
|
|
}
|
|
| T_IDENTIFIER '(' rterm_items ')'
|
|
{
|
|
Array::Ptr arguments = Array::Ptr($3);
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpFunctionCall, $1, make_shared<AExpression>(&AExpression::OpLiteral, arguments, @3), DebugInfoRange(@1, @4)));
|
|
free($1);
|
|
}
|
|
| T_IDENTIFIER
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpVariable, $1, @1));
|
|
free($1);
|
|
}
|
|
| '!' rterm
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpNegate, static_cast<AExpression::Ptr>(*$2), DebugInfoRange(@1, @2)));
|
|
delete $2;
|
|
}
|
|
| '~' rterm
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpNegate, static_cast<AExpression::Ptr>(*$2), DebugInfoRange(@1, @2)));
|
|
delete $2;
|
|
}
|
|
| identifier '[' T_STRING ']'
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpIndexer, $1, $3, DebugInfoRange(@1, @4)));
|
|
free($1);
|
|
free($3);
|
|
}
|
|
| '[' rterm_items ']'
|
|
{
|
|
$$ = new Value(make_shared<AExpression>(&AExpression::OpArray, Array::Ptr($2), DebugInfoRange(@1, @3)));
|
|
}
|
|
| rterm_scope
|
|
{
|
|
$$ = $1;
|
|
}
|
|
| '(' rterm ')'
|
|
{
|
|
$$ = $2;
|
|
}
|
|
| rterm rbinary_op rterm
|
|
{
|
|
$$ = new Value(make_shared<AExpression>($2, static_cast<AExpression::Ptr>(*$1), static_cast<AExpression::Ptr>(*$3), DebugInfoRange(@1, @3)));
|
|
delete $1;
|
|
delete $3;
|
|
}
|
|
;
|
|
|
|
optional_template: /* empty */
|
|
| T_TEMPLATE
|
|
;
|
|
|
|
apply: T_APPLY optional_template identifier identifier T_TO identifier T_WHERE rterm
|
|
{
|
|
if (!ApplyRule::IsValidCombination($3, $6)) {
|
|
BOOST_THROW_EXCEPTION(ConfigError("'apply' cannot be used with types '" + String($3) + "' and '" + String($6) + "'.") << errinfo_debuginfo(@1));
|
|
}
|
|
|
|
Array::Ptr arguments = make_shared<Array>();
|
|
arguments->Add(*$8);
|
|
delete $8;
|
|
|
|
AExpression::Ptr aexpr = make_shared<AExpression>(&AExpression::OpFunctionCall, "bool", make_shared<AExpression>(&AExpression::OpLiteral, arguments, @8), @8);
|
|
|
|
ApplyRule::AddRule($3, $4, $6, aexpr, DebugInfoRange(@1, @8));
|
|
}
|
|
%%
|