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|
/*
Copyright (C) 2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
Copyright (C) 2010 Collabora Ltd.
@author George Kiagiadakis <george.kiagiadakis@collabora.co.uk>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
%{
#include "yystype.h"
#include "generator.h"
int yylex(CodeGen *codegen);
void yyerror(CodeGen *codegen, const char *msg);
%}
%parse-param {CodeGen *codegen}
%lex-param {CodeGen *codegen}
%start header
%token REGISTER_TYPE_BEGIN
SCOPE_RESOLUTION_OPERATOR
REGISTER_TYPE_END
REGISTER_WRAPPER_BEGIN
REGISTER_WRAPPER_SUBCLASS_BEGIN
REGISTER_WRAPPER_END
INSTRUCTIONS_BEGIN
INSTRUCTIONS_ASSIGN_OPERATOR
INSTRUCTIONS_SEPARATOR
INSTRUCTIONS_END
ENUM_KEYWORD
NAMESPACE_KEYWORD
CLASS_KEYWORD
LEFT_BRACE
RIGHT_BRACE
COMMA
SEMICOLON
%token <Id> IDENTIFIER
%destructor { delete $$; } IDENTIFIER
%type <IdList> enum_list
%destructor { delete $$; } enum_list
%type <Id> optional_enum_id
%destructor { delete $$; } optional_enum_id
%type <HashMap> optional_instructions
%destructor { delete $$; } optional_instructions
%type <HashMap> instruction_list
%destructor { delete $$; } instruction_list
%type <Pair> instruction
%destructor { delete $$; } instruction
%%
header: header expression | expression | /*empty*/;
expression : enum_def | class_def | namespace_def | type_registration | wrapper_definition;
enum_def:
ENUM_KEYWORD IDENTIFIER LEFT_BRACE optional_instructions enum_list RIGHT_BRACE SEMICOLON
{
codegen->addEnum(*$5, *$4);
delete $2;
delete $4;
delete $5;
};
enum_list:
enum_list COMMA IDENTIFIER
{
$$ = $1;
$$->append(*$3);
delete $3;
}
| IDENTIFIER
{
$$ = new QList<QByteArray>();
$$->append(*$1);
delete $1;
};
class_def:
CLASS_KEYWORD IDENTIFIER
{
codegen->setCurrentClass(*$2);
delete $2;
};
namespace_def:
NAMESPACE_KEYWORD IDENTIFIER
{
codegen->setCurrentNameSpace(*$2);
delete $2;
};
type_registration:
REGISTER_TYPE_BEGIN IDENTIFIER SCOPE_RESOLUTION_OPERATOR IDENTIFIER optional_enum_id REGISTER_TYPE_END optional_instructions
{
codegen->addTypeRegistration(*$2, *$4, *$5, *$7);
delete $2;
delete $4;
delete $5;
delete $7;
};
optional_enum_id:
SCOPE_RESOLUTION_OPERATOR IDENTIFIER
{
$$ = $2;
}
| /*empty*/
{
$$ = new QByteArray();
};
wrapper_definition:
REGISTER_WRAPPER_BEGIN IDENTIFIER optional_c_class REGISTER_WRAPPER_END optional_instructions
{
codegen->addWrapperDefinition(*$2, *$5);
delete $2;
delete $5;
}
|
REGISTER_WRAPPER_SUBCLASS_BEGIN IDENTIFIER COMMA IDENTIFIER REGISTER_WRAPPER_END optional_instructions
{
codegen->addWrapperFakeSubclass(*$2, *$4, *$6);
delete $2;
delete $4;
delete $6;
};
optional_c_class:
COMMA IDENTIFIER
{
delete $2;
}
| /* empty */
;
optional_instructions:
INSTRUCTIONS_BEGIN instruction_list INSTRUCTIONS_END
{
$$ = $2;
}
| /*empty*/
{
$$ = new QHash<QByteArray, QByteArray>();
};
instruction_list:
instruction_list INSTRUCTIONS_SEPARATOR instruction
{
$$ = $1;
$$->insert($3->first, $3->second);
delete $3;
}
| instruction
{
$$ = new QHash<QByteArray, QByteArray>();
$$->insert($1->first, $1->second);
delete $1;
};
instruction:
IDENTIFIER INSTRUCTIONS_ASSIGN_OPERATOR IDENTIFIER
{
$$ = new QPair<QByteArray, QByteArray>();
$$->first = *$1;
$$->second = *$3;
delete $1;
delete $3;
}
| IDENTIFIER
{
$$ = new QPair<QByteArray, QByteArray>();
$$->first = *$1;
delete $1;
};
%%
void yyerror(CodeGen *codegen, const char *msg)
{
codegen->fatalError(msg);
}
|
