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Annotation of parser3/src/include/code.h, revision 1.27

1.24      paf         1: /** @file
1.26      paf         2:        Parser: compiled code related decls.
                      3: 
1.19      paf         4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.26      paf         5: 
1.20      paf         6:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.19      paf         7: 
1.27    ! paf         8:        $Id: code.h,v 1.26 2001/03/19 17:42:11 paf Exp $
1.1       paf         9: */
                     10: 
                     11: #ifndef CODE_H
                     12: #define CODE_H
                     13: 
1.2       paf        14: #include "pa_string.h"
                     15: #include "pa_array.h"
                     16: 
1.24      paf        17: class Value;
                     18: class Array;
                     19: 
                     20: ///    Compiled operation code
1.1       paf        21: enum OPCODE {
1.24      paf        22:        //@{
                     23:        /// literal
1.23      paf        24:        OP_VALUE,  OP_CURLY_CODE__STORE_PARAM,  OP_EXPR_CODE__STORE_PARAM,
1.24      paf        25:        //@}
1.10      paf        26: 
1.24      paf        27:        //@{
                     28:        /// action
1.8       paf        29:        OP_WITH_SELF,   OP_WITH_ROOT,   OP_WITH_READ,   OP_WITH_WRITE,
1.16      paf        30:        OP_GET_CLASS,
1.17      paf        31:        OP_CONSTRUCT_VALUE, OP_CONSTRUCT_EXPR,
1.22      paf        32:        OP_WRITE_VALUE,  OP_WRITE_EXPR_RESULT, OP_STRING__WRITE,
1.5       paf        33:        OP_GET_ELEMENT, OP_GET_ELEMENT__WRITE,
1.1       paf        34:        OP_CREATE_EWPOOL,       OP_REDUCE_EWPOOL,
                     35:        OP_CREATE_RWPOOL,       OP_REDUCE_RWPOOL,
1.10      paf        36:        OP_CREATE_SWPOOL,       OP_REDUCE_SWPOOL,
1.1       paf        37:        OP_GET_METHOD_FRAME,
                     38:        OP_STORE_PARAM,
1.10      paf        39:        OP_CALL,
1.24      paf        40:        //@}
1.10      paf        41: 
1.24      paf        42:        //@{
                     43:        /// expression op: unary
1.27    ! paf        44:        OP_NEG, OP_INV, OP_NOT, OP_DEF, OP_IN, OP_FEXISTS, OP_DEXISTS,
1.24      paf        45:        //@}
                     46: 
                     47:        //@{
                     48:        /// expression op: binary
1.11      paf        49:        OP_SUB, OP_ADD, OP_MUL, OP_DIV, OP_MOD,
1.14      paf        50:        OP_BIN_AND, OP_BIN_OR, OP_BIN_XOR,
                     51:        OP_LOG_AND, OP_LOG_OR, OP_LOG_XOR,
1.10      paf        52:        OP_NUM_LT, OP_NUM_GT, OP_NUM_LE, OP_NUM_GE, OP_NUM_EQ, OP_NUM_NE,
1.21      paf        53:        OP_STR_LT, OP_STR_GT, OP_STR_LE, OP_STR_GE, OP_STR_EQ, OP_STR_NE,
                     54:        OP_IS
1.24      paf        55:        //@}
1.11      paf        56: };
1.2       paf        57: 
1.25      paf        58: /** 
1.24      paf        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: */
1.2       paf        69: union Operation {
1.24      paf        70:        void *cast; ///< casting helper 
1.2       paf        71: 
1.24      paf        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
1.1       paf        75: };
                     76: 
                     77: #endif