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Annotation of parser3/src/include/pa_opcode.h, revision 1.7

1.1       paf         1: /** @file
                      2:        Parser: compiled code related decls.
                      3: 
                      4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
                      5: 
                      6:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
                      7: 
1.7     ! paf         8:        $Id: pa_opcode.h,v 1.6 2001/07/26 14:15:45 parser Exp $
1.1       paf         9: */
                     10: 
                     11: #ifndef CODE_H
                     12: #define CODE_H
                     13: 
1.2       parser     14: #include "pa_config_includes.h"
1.1       paf        15: #include "pa_string.h"
                     16: #include "pa_array.h"
                     17: 
                     18: class Value;
                     19: class Array;
                     20: 
                     21: ///    Compiled operation code
                     22: enum OPCODE {
                     23:        //@{ 
                     24:        /// @name literals
                     25:        OP_VALUE,  OP_CURLY_CODE__STORE_PARAM,  OP_EXPR_CODE__STORE_PARAM,
                     26:        //@}
                     27: 
                     28:        //@{
                     29:        /// @name actions
1.6       parser     30:        OP_WITH_ROOT,   OP_WITH_SELF,   OP_WITH_READ,   OP_WITH_WRITE,
1.1       paf        31:        OP_GET_CLASS,
1.3       parser     32:        OP_CONSTRUCT_VALUE, OP_CONSTRUCT_EXPR, OP_CURLY_CODE__CONSTRUCT,
1.1       paf        33:        OP_WRITE_VALUE,  OP_WRITE_EXPR_RESULT, OP_STRING__WRITE,
                     34:        OP_GET_ELEMENT, OP_GET_ELEMENT__WRITE,
                     35:        OP_CREATE_EWPOOL,       OP_REDUCE_EWPOOL,
                     36:        OP_CREATE_SWPOOL,       OP_REDUCE_SWPOOL,
                     37:        OP_GET_METHOD_FRAME,
                     38:        OP_STORE_PARAM,
1.5       parser     39:        OP_PREPARE_TO_CONSTRUCT_OBJECT, OP_CALL,
1.1       paf        40:        //@}
                     41: 
                     42:        //@{
                     43:        /// @name expression ops: unary
                     44:        OP_NEG, OP_INV, OP_NOT, OP_DEF, OP_IN, OP_FEXISTS, OP_DEXISTS,
                     45:        //@}
                     46: 
                     47:        //@{
                     48:        /// @name expression ops: binary
1.7     ! paf        49:        OP_SUB, OP_ADD, OP_MUL, OP_DIV, OP_MOD, OP_INTDIV,
1.1       paf        50:        OP_BIN_AND, OP_BIN_OR, OP_BIN_XOR,
                     51:        OP_LOG_AND, OP_LOG_OR, OP_LOG_XOR,
                     52:        OP_NUM_LT, OP_NUM_GT, OP_NUM_LE, OP_NUM_GE, OP_NUM_EQ, OP_NUM_NE,
                     53:        OP_STR_LT, OP_STR_GT, OP_STR_LE, OP_STR_GE, OP_STR_EQ, OP_STR_NE,
                     54:        OP_IS
                     55:        //@}
                     56: };
                     57: 
                     58: /** 
                     59:        Parser source code got compiled into intermediate form of Operation-s, 
                     60:        which is executed afterwards.
                     61: 
                     62:        It is compiled into Array of Operation-s.
                     63:        Each Operation can be either OPCODE or data pointer, 
                     64:        following the literal-instruction.
                     65:                - OP_VALUE followed by Value*
                     66:                - OP_CURLY_CODE__STORE_PARAM followed by Array*
                     67:                - OP_EXPR_CODE__STORE_PARAM followed by Array*
                     68: */
                     69: union Operation {
                     70:        void *cast; ///< casting helper 
                     71: 
                     72:        OPCODE code; ///< operation code
                     73:        Value *value; ///< not an operation, but rather value stored after argumented op
                     74:        Array *array; ///< not an operation, but rather code array stored after argumented op
                     75: };
                     76: 
                     77: #endif