mirror of https://gitee.com/bigwinds/arangodb
139 lines
5.0 KiB
C
139 lines
5.0 KiB
C
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief Ahuacatl, AST to JS code generator
|
|
///
|
|
/// @file
|
|
///
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// @author Jan Steemann
|
|
/// @author Copyright 2012, triagens GmbH, Cologne, Germany
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef TRIAGENS_DURHAM_AHUACATL_CODEGEN_H
|
|
#define TRIAGENS_DURHAM_AHUACATL_CODEGEN_H 1
|
|
|
|
#include <BasicsC/common.h>
|
|
#include <BasicsC/associative.h>
|
|
#include <BasicsC/conversions.h>
|
|
#include <BasicsC/strings.h>
|
|
#include <BasicsC/string-buffer.h>
|
|
#include <BasicsC/vector.h>
|
|
|
|
#include "Ahuacatl/ahuacatl-ast-node.h"
|
|
#include "Ahuacatl/ahuacatl-conversions.h"
|
|
#include "Ahuacatl/ahuacatl-scope.h"
|
|
#include "VocBase/document-collection.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- public types
|
|
// -----------------------------------------------------------------------------
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @addtogroup Ahuacatl
|
|
/// @{
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief typedef for a variable or function register number
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef uint32_t TRI_aql_codegen_register_t;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief variable (name + register index) type used by code generator
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct TRI_aql_codegen_variable_s {
|
|
char* _name; // variable name
|
|
TRI_aql_codegen_register_t _register; // the assigned register
|
|
}
|
|
TRI_aql_codegen_variable_t;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief code generator scope
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct TRI_aql_codegen_scope_s {
|
|
TRI_string_buffer_t* _buffer; // generated code
|
|
TRI_aql_scope_e _type; // scope type
|
|
TRI_aql_codegen_register_t _listRegister;
|
|
TRI_aql_codegen_register_t _keyRegister;
|
|
TRI_aql_codegen_register_t _ownRegister;
|
|
TRI_aql_codegen_register_t _resultRegister;
|
|
TRI_associative_pointer_t _variables; // list of variables in scope
|
|
char* _prefix; // prefix for variable names, used in FUNCTION scopes only
|
|
}
|
|
TRI_aql_codegen_scope_t;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief code generator
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
typedef struct TRI_aql_codegen_js_s {
|
|
TRI_aql_context_t* _context;
|
|
TRI_string_buffer_t _buffer;
|
|
TRI_string_buffer_t _functionBuffer;
|
|
TRI_vector_pointer_t _scopes;
|
|
TRI_aql_codegen_register_t _lastResultRegister;
|
|
|
|
size_t _registerIndex;
|
|
size_t _functionIndex;
|
|
int _errorCode; // error number
|
|
char* _errorValue; // error context string
|
|
}
|
|
TRI_aql_codegen_js_t;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @}
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- public functions
|
|
// -----------------------------------------------------------------------------
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @addtogroup Ahuacatl
|
|
/// @{
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief generate Javascript code for the AST nodes recursively
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
char* TRI_GenerateCodeAql (TRI_aql_context_t* const);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @}
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
// Local Variables:
|
|
// mode: outline-minor
|
|
// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
|
|
// End:
|