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Annotation of parser3/src/include/pa_opcode.h, revision 1.23

1.1       paf         1: /** @file
                      2:        Parser: compiled code related decls.
                      3: 
1.13      paf         4:        Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.1       paf         5: 
1.14      paf         6:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1       paf         7: */
                      8: 
                      9: #ifndef CODE_H
                     10: #define CODE_H
1.19      paf        11: 
1.23    ! paf        12: static const char* IDENT_OPCODE_H="$Date: 2002/09/20 09:26:31 $";
1.1       paf        13: 
                     14: #include "pa_string.h"
                     15: #include "pa_array.h"
                     16: 
                     17: class Value;
                     18: class Array;
                     19: 
                     20: ///    Compiled operation code
                     21: enum OPCODE {
                     22:        //@{ 
                     23:        /// @name literals
                     24:        OP_VALUE,  OP_CURLY_CODE__STORE_PARAM,  OP_EXPR_CODE__STORE_PARAM,
1.10      paf        25:        OP_NESTED_CODE,
1.1       paf        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,
1.23    ! paf        34:        OP_GET_ELEMENT_OR_OPERATOR, OP_GET_ELEMENT,     OP_GET_ELEMENT__WRITE,
1.17      paf        35:        OP_OBJECT_POOL, OP_STRING_POOL,
1.1       paf        36:        OP_STORE_PARAM,
1.17      paf        37:        OP_PREPARE_TO_CONSTRUCT_OBJECT, OP_PREPARE_TO_EXPRESSION, 
                     38:        OP_CALL, OP_CALL__WRITE,
1.1       paf        39:        //@}
                     40: 
                     41:        //@{
                     42:        /// @name expression ops: unary
                     43:        OP_NEG, OP_INV, OP_NOT, OP_DEF, OP_IN, OP_FEXISTS, OP_DEXISTS,
                     44:        //@}
                     45: 
                     46:        //@{
                     47:        /// @name expression ops: binary
1.7       paf        48:        OP_SUB, OP_ADD, OP_MUL, OP_DIV, OP_MOD, OP_INTDIV,
1.21      paf        49:        OP_BIN_SL, OP_BIN_SR,
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*
1.10      paf        68:                - OP_NESTED_CODE followed by Array*
1.1       paf        69: */
                     70: union Operation {
                     71:        void *cast; ///< casting helper 
                     72: 
                     73:        OPCODE code; ///< operation code
                     74:        Value *value; ///< not an operation, but rather value stored after argumented op
                     75:        Array *array; ///< not an operation, but rather code array stored after argumented op
                     76: };
                     77: 
                     78: #endif