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452 lines
10 KiB
452 lines
10 KiB
/*
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Copyright (C) 1999 Stefan Westerfeld, stefan@space.twc.de
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Nicolas Brodu, nicolas.brodu@free.fr
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*/
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%{
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string>
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#include "common.h"
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#include "namespace.h"
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using namespace std;
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using namespace Arts;
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extern int idl_line_no;
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extern string idl_filename;
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extern int yylex();
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extern void mcopidlInitFlex( const char *_code );
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extern void addEnumTodo( const EnumDef& edef );
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extern void addStructTodo( const TypeDef& type );
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extern void addInterfaceTodo( const InterfaceDef& iface );
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void yyerror( const char *s )
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{
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printf( "%s:%i: %s\n", idl_filename.c_str(), idl_line_no, s );
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exit(1);
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// theParser->parse_error( idl_lexFile, s, idl_line_no );
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}
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static struct ParserGlobals {
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vector<string> noHints;
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} *g;
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%}
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%union
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{
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// generic data types
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long _int;
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char* _str;
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unsigned short _char;
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double _float;
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vector<char*> *_strs;
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// types
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vector<TypeComponent> *_typeComponentSeq;
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TypeComponent* _typeComponent;
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// enums
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vector<EnumComponent> *_enumComponentSeq;
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// interfaces
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InterfaceDef *_interfaceDef;
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ParamDef* _paramDef;
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vector<ParamDef> *_paramDefSeq;
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MethodDef* _methodDef;
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vector<MethodDef> *_methodDefSeq;
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AttributeDef* _attributeDef;
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vector<AttributeDef> *_attributeDefSeq;
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}
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%token T_STRUCT T_ENUM T_INTERFACE T_MODULE T_VOID
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%token T_LEFT_CURLY_BRACKET T_RIGHT_CURLY_BRACKET
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%token T_LEFT_PARANTHESIS T_RIGHT_PARANTHESIS
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%token T_LESS T_GREATER T_EQUAL
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%token T_SEMICOLON T_COLON T_COMMA
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%token<_str> T_IDENTIFIER T_QUALIFIED_IDENTIFIER
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%type<_str> type
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%type<_str> simpletype
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%type<_str> enumname
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%type<_str> interfacelistelem
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/*%type<_typeComponent> typecomponentdef*/
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%type<_typeComponentSeq> structbody
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%type<_paramDef> paramdef
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%type<_paramDefSeq> paramdefs
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%type<_paramDefSeq> paramdefs1
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%type<_methodDef> methoddef
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%type<_attributeDefSeq> attributedef
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%type<_attributeDefSeq> streamdef
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%type<_interfaceDef> classbody
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%type<_enumComponentSeq> enumbody
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%type<_strs> interfacelist
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%type<_strs> identifierlist
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%type<_strs> defaultdef
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%type<_strs> inheritedinterfaces
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%type<_int> maybereadonly
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%type<_int> direction
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%type<_int> maybeoneway
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%type<_int> maybedefault
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%token T_INTEGER_LITERAL T_UNKNOWN
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%type<_int> T_INTEGER_LITERAL
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%token T_BOOLEAN T_STRING T_LONG T_BYTE T_OBJECT T_SEQUENCE T_AUDIO T_FLOAT
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%token T_IN T_OUT T_STREAM T_MULTI T_ATTRIBUTE T_READONLY T_ASYNC T_ONEWAY
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%token T_DEFAULT
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%%
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aidlfile: definitions;
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definitions: epsilon | definition definitions ;
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definition: structdef | interfacedef | moduledef | enumdef ;
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structdef:
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T_STRUCT T_IDENTIFIER { ModuleHelper::define($2); } T_SEMICOLON
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| T_STRUCT T_IDENTIFIER { ModuleHelper::define($2); }
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T_LEFT_CURLY_BRACKET
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structbody
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T_RIGHT_CURLY_BRACKET
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T_SEMICOLON
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{
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char *qualified = ModuleHelper::qualify($2);
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addStructTodo(TypeDef(qualified,*$5,g->noHints));
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free(qualified);
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free($2);
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}
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;
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enumdef:
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T_ENUM enumname { ModuleHelper::define($2); }
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T_LEFT_CURLY_BRACKET
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enumbody
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T_RIGHT_CURLY_BRACKET
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T_SEMICOLON
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{
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char *qualified = ModuleHelper::qualify($2);
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addEnumTodo(EnumDef(qualified,*$5,g->noHints));
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free(qualified);
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free($2);
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delete $5;
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}
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;
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enumname: T_IDENTIFIER { $$ = $1; } | epsilon { $$ = strdup("_anonymous_"); };
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enumbody:
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T_IDENTIFIER
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{
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$$ = new vector<EnumComponent>;
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$$->push_back(EnumComponent($1,0,g->noHints));
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free($1);
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}
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| T_IDENTIFIER T_EQUAL T_INTEGER_LITERAL
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{
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$$ = new vector<EnumComponent>;
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$$->push_back(EnumComponent($1,$3,g->noHints));
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free($1);
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}
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| enumbody T_COMMA T_IDENTIFIER
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{
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EnumComponent& last = (*$1)[$1->size()-1];
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$$ = $1;
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$$->push_back(EnumComponent($3,last.value+1,g->noHints));
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free($3);
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}
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| enumbody T_COMMA T_IDENTIFIER T_EQUAL T_INTEGER_LITERAL
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{
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$$ = $1;
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$$->push_back(EnumComponent($3,$5,g->noHints));
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free($3);
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};
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interfacedef:
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T_INTERFACE T_IDENTIFIER { ModuleHelper::define($2); } T_SEMICOLON
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| T_INTERFACE T_IDENTIFIER { ModuleHelper::define($2); } inheritedinterfaces
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T_LEFT_CURLY_BRACKET
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classbody
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T_RIGHT_CURLY_BRACKET
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T_SEMICOLON
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{
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vector<char *>::iterator ii;
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for(ii=$4->begin(); ii != $4->end(); ii++)
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{
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$6->inheritedInterfaces.push_back(*ii);
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free(*ii);
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}
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delete $4;
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char *qualified = ModuleHelper::qualify($2);
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$6->name = qualified;
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free(qualified);
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free($2);
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addInterfaceTodo(*$6);
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delete $6;
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}
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;
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inheritedinterfaces:
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epsilon { $$ = new vector<char *>; }
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| T_COLON interfacelist { $$ = $2; };
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moduledef:
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T_MODULE T_IDENTIFIER { ModuleHelper::enter($2); free($2); }
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T_LEFT_CURLY_BRACKET
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definitions
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T_RIGHT_CURLY_BRACKET { ModuleHelper::leave(); }
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T_SEMICOLON
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;
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classbody:
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epsilon {
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$$ = new InterfaceDef();
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}
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| methoddef classbody
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{
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$$ = $2;
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$$->methods.insert($$->methods.begin(),*$1);
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delete $1;
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}
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| attributedef classbody
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{
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$$ = $2;
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$$->attributes.insert($$->attributes.begin(),$1->begin(),$1->end());
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if ((*$1)[0].flags & streamDefault) {
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vector<std::string> sv;
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for (vector<AttributeDef>::iterator i=$1->begin(); i!=$1->end(); i++)
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sv.push_back(i->name);
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$$->defaultPorts.insert($$->defaultPorts.begin(),sv.begin(),sv.end());
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}
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}
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| defaultdef classbody
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{
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$$ = $2;
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for (vector<char *>::iterator i=$1->begin(); i!=$1->end(); i++)
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$$->defaultPorts.insert($$->defaultPorts.begin(), *i);
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};
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attributedef:
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streamdef
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| maybereadonly T_ATTRIBUTE type identifierlist T_SEMICOLON
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{
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// 16 == attribute
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vector<char *>::iterator i;
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$$ = new vector<AttributeDef>;
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for(i=$4->begin();i != $4->end();i++)
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{
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$$->push_back(AttributeDef((*i),$3,(AttributeType)($1 + 16),g->noHints));
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free(*i);
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}
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delete $4;
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}
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;
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maybereadonly:
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epsilon { $$ = 1+2; /* in&out (read & write) */ }
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| T_READONLY { $$ = 2; /* out (readonly) */ }
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;
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maybeoneway:
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epsilon { $$ = methodTwoway; }
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| T_ONEWAY { $$ = methodOneway; }
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;
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maybedefault:
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epsilon { $$ = 0; }
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| T_DEFAULT { $$ = streamDefault; }
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;
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streamdef: maybedefault direction type T_STREAM identifierlist T_SEMICOLON
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{
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// 8 == stream
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vector<char *>::iterator i;
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$$ = new vector<AttributeDef>;
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for(i=$5->begin();i != $5->end();i++)
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{
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$$->push_back(AttributeDef((*i),$3,(AttributeType)(($2|$1) + 8),g->noHints));
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free(*i);
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}
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delete $5;
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};
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defaultdef: T_DEFAULT identifierlist T_SEMICOLON
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{
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$$ = $2;
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};
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direction:
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T_IN { $$ = streamIn; }
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| T_IN T_MULTI { $$ = streamIn|streamMulti; }
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| T_OUT { $$ = streamOut; }
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| T_OUT T_MULTI { $$ = streamOut|streamMulti; }
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| T_ASYNC T_IN { $$ = streamAsync|streamIn; }
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| T_ASYNC T_IN T_MULTI { $$ =streamAsync|streamIn|streamMulti }
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| T_ASYNC T_OUT { $$ = streamAsync|streamOut; }
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| T_ASYNC T_OUT T_MULTI { $$ = streamAsync|streamOut|streamMulti; }
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;
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// CacheElement getFromCache(string name, bool hit)
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methoddef:
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maybeoneway type T_IDENTIFIER
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T_LEFT_PARANTHESIS paramdefs T_RIGHT_PARANTHESIS T_SEMICOLON
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{
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$$ = new MethodDef($3,$2,(MethodType)$1,*$5,g->noHints);
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free($3);
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free($2);
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}
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;
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paramdefs:
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epsilon
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{
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$$ = new vector<ParamDef>;
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}
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| paramdef paramdefs1
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{
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$$ = $2;
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$$->insert($$->begin(),*$1);
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delete $1;
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};
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// at least one parameter (ex: "long a" or "long a, long b, string c")
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paramdefs1:
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epsilon
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{
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$$ = new vector<ParamDef>;
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}
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| paramdefs1 T_COMMA paramdef
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{
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$$ = $1;
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$$->push_back(*$3);
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delete $3;
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//$$->insert($$->begin(),$3);
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}
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;
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// one parameter (ex: "long a")
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paramdef: type T_IDENTIFIER
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{
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$$ = new ParamDef(string($1),string($2),g->noHints);
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free($1);
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free($2);
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};
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/*
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typecomponentdef: type T_IDENTIFIER T_SEMICOLON
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{
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$$ = new TypeComponent($1,string($2));
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free($2);
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};
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*/
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identifierlist:
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T_IDENTIFIER { $$ = new vector<char *>; $$->push_back($1); }
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| identifierlist T_COMMA T_IDENTIFIER { $$ = $1; $$->push_back($3); }
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interfacelist:
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interfacelistelem { $$ = new vector<char *>; $$->push_back($1); }
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| interfacelist T_COMMA interfacelistelem { $$ = $1; $$->push_back($3); }
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interfacelistelem: T_IDENTIFIER {
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$$ = ModuleHelper::qualify($1);
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free($1);
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}
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| T_QUALIFIED_IDENTIFIER {
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$$ = ModuleHelper::qualify($1);
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free($1);
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}
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;
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structbody: epsilon {
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// is empty by default
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$$ = new vector<TypeComponent>;
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}
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| type identifierlist T_SEMICOLON structbody {
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$$ = $4;
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vector<char *>::reverse_iterator i;
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for(i = $2->rbegin();i != $2->rend();i++)
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{
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char *identifier = *i;
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$$->insert($$->begin(),TypeComponent($1,identifier,g->noHints));
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free(identifier);
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}
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delete $2;
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};
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/*
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| typecomponentdef structbody {
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$$ = $2;
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$$->insert($$->begin(),$1);
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};
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*/
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type: simpletype
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| T_SEQUENCE T_LESS simpletype T_GREATER
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{
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// a sequence<long> is for instance coded as *long
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// alloc new size: add one for the null byte and one for the '*' char
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char *result = (char *)malloc(strlen($3)+2);
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result[0] = '*';
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strcpy(&result[1],$3);
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free($3); /* fails */
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$$ = result;
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};
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simpletype:
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T_BOOLEAN { $$ = strdup("boolean"); }
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| T_STRING { $$ = strdup("string"); }
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| T_LONG { $$ = strdup("long"); }
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| T_BYTE { $$ = strdup("byte"); }
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| T_OBJECT { $$ = strdup("object"); }
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| T_AUDIO { $$ = strdup("float"); }
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| T_FLOAT { $$ = strdup("float"); }
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| T_VOID { $$ = strdup("void"); }
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| T_IDENTIFIER {
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$$ = ModuleHelper::qualify($1);
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free($1);
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}
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| T_QUALIFIED_IDENTIFIER {
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$$ = ModuleHelper::qualify($1);
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free($1);
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};
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epsilon: /* empty */ ;
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%%
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void mcopidlParse( const char *_code )
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{
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g = new ParserGlobals;
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mcopidlInitFlex( _code );
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yyparse();
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delete g;
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}
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