/* * $Id$ */ /* * Harbour Project source code: * Header file for the PCODE declarations * * Copyright 1999 Antonio Linares * www - http://www.harbour-project.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version, with one exception: * * The exception is that if you link the Harbour Runtime Library (HRL) * and/or the Harbour Virtual Machine (HVM) with other files to produce * an executable, this does not by itself cause the resulting executable * to be covered by the GNU General Public License. Your use of that * executable is in no way restricted on account of linking the HRL * and/or HVM code into it. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit * their web site at http://www.gnu.org/). * */ #ifndef HB_PCODE_H_ #define HB_PCODE_H_ /* NOTE: * Please update any opcode lookup tables present in * genc.c * harbour.c * when new opcode is added */ typedef enum { HB_P_AND, /* peforms the logical AND of two latest stack values, removes them and places result */ HB_P_ARRAYPUSH, /* places on the virtual machine stack an array element */ HB_P_ARRAYPOP, /* pops a value from the eval stack into an array element */ HB_P_ARRAYDIM, /* instructs the virtual machine to build an array with some specific dimensions */ HB_P_ARRAYGEN, /* instructs the virtual machine to build an array and load elemnst from the stack */ HB_P_EQUAL, /* check if the latest two values on the stack are equal, removing them and leaving there the result */ HB_P_ENDBLOCK, /* end of a codeblock definition */ HB_P_ENDPROC, /* instructs the virtual machine to end execution */ HB_P_EXACTLYEQUAL, /* check if the latest two values on the stack are exactly equal, removing them and leaving there the result */ HB_P_FALSE, /* pushes false on the virtual machine stack */ HB_P_FORTEST, /* For STEP. If step > 1 less. If step < 1 greater. */ HB_P_FUNCTION, /* instructs the virtual machine to execute a function saving its result */ HB_P_FUNCTIONSHORT, /* instructs the virtual machine to execute a function saving its result */ HB_P_FRAME, /* instructs the virtual machine about how many parameters and locals a function uses */ HB_P_FUNCPTR, /* returns a function address pointer */ HB_P_GREATER, /* checks if the second latest value on the stack is greater that the lastest one */ HB_P_GREATEREQUAL, /* checks if the second latest value on the stack is greater equal that the latest one, leaves the result only */ HB_P_DEC, /* decrements the latest value on the virtual machine stack */ HB_P_DIVIDE, /* divides the latest two values on the stack, removing them and leaving there the result */ HB_P_DO, /* instructs the virtual machine to execute a function discarding its result */ HB_P_DOSHORT, /* instructs the virtual machine to execute a function discarding its result */ HB_P_DUPLICATE, /* places a copy of the latest virtual machine stack value on to the stack */ HB_P_DUPLTWO, /* places a copy of the latest two virtual machine stack value on to the stack */ HB_P_INC, /* increments the latest value on the virtual machine stack */ HB_P_INSTRING, /* checks if the second latest value on the stack is a substring of the latest one */ HB_P_JUMPNEAR, /* jumps to a relative offset 1 Byte */ HB_P_JUMP, /* jumps to a relative offset 2 Bytes */ HB_P_JUMPFAR, /* jumps to a relative offset 3 Bytes */ HB_P_JUMPFALSENEAR, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_JUMPFALSE, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_JUMPFALSEFAR, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_JUMPTRUENEAR, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_JUMPTRUE, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_JUMPTRUEFAR, /* checks a logic expression of the stack and jumps to a relative offset */ HB_P_LESSEQUAL, /* checks if the second latest value on the stack is less equal that the latest one, leaves the result only */ HB_P_LESS, /* checks if the second latest value on the stack is less that the lastest one */ HB_P_LINE, /* currently compiled source code line number */ HB_P_LOCALNAME, /* sets the name of local variable */ HB_P_MACROPOP, /* compile and run - pop a value from the stack */ HB_P_MACROPOPALIASED, /* compile and run - pop a field value from the stack */ HB_P_MACROPUSH, /* compile and run - leave the result on the stack */ HB_P_MACROPUSHALIASED, /* compile and run - leave the field value on the stack */ HB_P_MACROSYMBOL, /* compile into a symbol name (used in function calls) */ HB_P_MACROTEXT, /* macro text substitution */ HB_P_MESSAGE, /* sends a message to an object */ HB_P_MINUS, /* subs the latest two values on the stack, removing them and leaving there the result */ HB_P_MODULUS, /* calculates the modulus of the two values on the stack, removing them and leaving there the result */ HB_P_MODULENAME, /* sets the name of debugged module */ /* start: pcodes generated by the macro compiler - the symbol address is used */ HB_P_MMESSAGE, HB_P_MPOPALIASEDFIELD, HB_P_MPOPALIASEDVAR, HB_P_MPOPFIELD, HB_P_MPOPMEMVAR, HB_P_MPUSHALIASEDFIELD, HB_P_MPUSHALIASEDVAR, HB_P_MPUSHBLOCK, HB_P_MPUSHFIELD, HB_P_MPUSHMEMVAR, HB_P_MPUSHMEMVARREF, HB_P_MPUSHSYM, HB_P_MPUSHVARIABLE, /* end: */ HB_P_MULT, /* multiplies the latest two values on the stack, removing them and leaving there the result */ HB_P_NEGATE, /* numerically negates the latest value on the stack */ HB_P_NOOP, /* no operation */ HB_P_NOT, /* logically negates the latest value on the stack */ HB_P_NOTEQUAL, /* checks if the latest two stack values are equal, leaves just the result */ HB_P_OR, /* peforms the logical OR of two latest stack values, removes them and places result */ HB_P_PARAMETER, /* creates PRIVATE variables and assigns values to functions paramaters */ HB_P_PLUS, /* adds the latest two values on the stack, removing them and leaving there the result */ HB_P_POP, /* removes the latest value from the stack */ HB_P_POPALIAS, /* pops the item from the eval stack and selects the current workarea */ HB_P_POPALIASEDFIELD, /* pops aliased field */ HB_P_POPALIASEDFIELDNEAR, /* pops aliased field */ HB_P_POPALIASEDVAR, /* pops aliased variable (either a field or a memvar) */ HB_P_POPFIELD, /* pops unaliased field */ HB_P_POPLOCAL, /* pops the contains of the virtual machine stack onto a local variable */ HB_P_POPLOCALNEAR, /* pops the contains of the virtual machine stack onto a local variable */ HB_P_POPMEMVAR, /* pops the contains of a memvar variable to the virtual machine stack */ HB_P_POPSTATIC, /* pops the contains of the virtual machine stack onto a static variable */ HB_P_POPVARIABLE, /* pops the contains of an undeclared variable from the virtual machine stack */ HB_P_POWER, /* calculates the power of the two values on the stack, removing them and leaving there the result */ HB_P_PUSHALIAS, /* saves the current workarea number on the eval stack */ HB_P_PUSHALIASEDFIELD, /* pushes aliased field */ HB_P_PUSHALIASEDFIELDNEAR, /* pushes aliased field */ HB_P_PUSHALIASEDVAR, /* pushes aliased variable (either a field or a memvar) */ HB_P_PUSHBLOCK, /* start of a codeblock definition */ HB_P_PUSHBLOCKSHORT, /* start of a codeblock definition */ HB_P_PUSHFIELD, /* pushes unaliased field */ HB_P_PUSHBYTE, /* places a 1 byte integer number on the virtual machine stack */ HB_P_PUSHINT, /* places an integer number on the virtual machine stack */ HB_P_PUSHLOCAL, /* pushes the contains of a local variable to the virtual machine stack */ HB_P_PUSHLOCALNEAR, /* pushes the contains of a local variable to the virtual machine stack */ HB_P_PUSHLOCALREF, /* pushes a local variable by reference to the virtual machine stack */ HB_P_PUSHLONG, /* places an integer number on the virtual machine stack */ HB_P_PUSHMEMVAR, /* pushes the contains of a memvar variable to the virtual machine stack */ HB_P_PUSHMEMVARREF, /* pushes the a memvar variable by reference to the virtual machine stack */ HB_P_PUSHNIL, /* places a nil on the virtual machine stack */ HB_P_PUSHDOUBLE, /* places a double number on the virtual machine stack */ HB_P_PUSHSELF, /* pushes Self for the current processed method */ HB_P_PUSHSTATIC, /* pushes the contains of a static variable to the virtual machine stack */ HB_P_PUSHSTATICREF, /* pushes the a static variable by reference to the virtual machine stack */ HB_P_PUSHSTR, /* places a string on the virtual machine stack */ HB_P_PUSHSTRSHORT, /* places a string on the virtual machine stack */ HB_P_PUSHSYM, /* places a symbol on the virtual machine stack */ HB_P_PUSHSYMNEAR, /* places a symbol on the virtual machine stack */ HB_P_PUSHVARIABLE, /* pushes the contains of an undeclared variable to the virtual machine stack */ HB_P_RETVALUE, /* instructs the virtual machine to return the latest stack value */ HB_P_SEND, /* send operator */ HB_P_SENDSHORT, /* send operator */ HB_P_SEQBEGIN, /* BEGIN SEQUENCE */ HB_P_SEQEND, /* END SEQUENCE */ HB_P_SEQRECOVER, /* RECOVER statement */ HB_P_SFRAME, /* sets the statics frame for a function */ HB_P_STATICS, /* defines the number of statics variables for a PRG */ HB_P_STATICNAME, /* sets the name of static variable */ HB_P_SWAPALIAS, /* restores the current workarea number from the eval stack */ HB_P_TRUE, /* pushes true on the virtual machine stack */ HB_P_ZERO, /* places a ZERO on the virtual machine stack */ HB_P_ONE, /* places a ONE on the virtual machine stack */ /* NOTE: This have to be the last definition */ HB_P_LAST_PCODE /* this defines the number of defined pcodes */ } HB_PCODE; #endif /* HB_PCODE_H_ */