xsc.h

< Game Script Mastery>> source code

/*

    Project.

        XSC - The XtremeScript Compiler Version 0.8

    Abstract.

        Main XSC header.

    Date Created.

        8.29.2002

    Author.

        Alex Varanese

*/

#ifndef XSC_MAIN
#define XSC_MAIN

// ---- Include Files -------------------------------------------------------------------------

    #include "globals.h"
    #include "linked_list.h"
    #include "stack.h"

// ---- Constants -----------------------------------------------------------------------------

    // ---- General ---------------------------------------------------------------------------

        #ifndef TRUE
            #define TRUE                    1           // True
        #endif

        #ifndef FALSE
            #define FALSE                   0           // False
        #endif

    // ---- Program ---------------------------------------------------------------------------

        #define VERSION_MAJOR               0           // Major version number
        #define VERSION_MINOR               8           // Minor version number

    // ---- Filename --------------------------------------------------------------------------

        #define MAX_FILENAME_SIZE           2048        // Maximum filename length

        #define SOURCE_FILE_EXT             ".XSS"      // Extension of a source code file
        #define OUTPUT_FILE_EXT             ".XASM"     // Extension of an output assembly file

    // ---- Source Code -----------------------------------------------------------------------

        #define MAX_SOURCE_LINE_SIZE        4096        // Maximum source line length

        #define MAX_IDENT_SIZE              256        // Maximum identifier size

    // ---- Priority Types --------------------------------------------------------------------

        #define PRIORITY_NONE               0           // A priority wasn't specified
        #define PRIORITY_USER               1           // User-defined priority
        #define PRIORITY_LOW                2           // Low priority
        #define PRIORITY_MED                3           // Medium priority
        #define PRIORITY_HIGH               4           // High priority

        #define PRIORITY_LOW_KEYWORD        "Low"       // Low priority keyword
        #define PRIORITY_MED_KEYWORD        "Med"       // Low priority keyword
        #define PRIORITY_HIGH_KEYWORD       "High"      // Low priority keyword

	// ---- Functions -------------------------------------------------------------------------

		#define MAIN_FUNC_NAME				"_Main"		// _Main ()'s name

    // ---- Register Codes---------------------------------------------------------------------

        #define REG_CODE_RETVAL             0           // _RetVal
    
    // ---- Internal Script Entities ----------------------------------------------------------

        #define TEMP_VAR_0                  "_T0"       // Temporary variable 0
        #define TEMP_VAR_1                  "_T1"       // Temporary variable 1

// ---- Data Structures -----------------------------------------------------------------------

    // ---- Script ----------------------------------------------------------------------------

        typedef struct _ScriptHeader                    // Script header data
        {
            int iStackSize;                             // Requested stack size

            int iIsMainFuncPresent;                     // Is _Main () present?
			int iMainFuncIndex;							// _Main ()'s function index

            int iPriorityType;                          // The thread priority type
            int iUserPriority;                          // The user-defined priority (if any)
        }
            ScriptHeader;

// ---- Global Variables ----------------------------------------------------------------------

    // ---- Source Code -----------------------------------------------------------------------

		extern char g_pstrSourceFilename [ MAX_FILENAME_SIZE ],
		            g_pstrOutputFilename [ MAX_FILENAME_SIZE ];

        extern LinkedList g_SourceCode;

    // ---- Script ----------------------------------------------------------------------------

        extern ScriptHeader g_ScriptHeader;

    // ---- Function Table --------------------------------------------------------------------

        extern LinkedList g_FuncTable;

    // ---- Symbol Table ----------------------------------------------------------------------

        extern LinkedList g_SymbolTable;

	// ---- String Table ----------------------------------------------------------------------

		extern LinkedList g_StringTable;

    // ---- Expression Evaluation -------------------------------------------------------------

        extern int g_iTempVar0SymbolIndex,
                   g_iTempVar1SymbolIndex;

// ---- Function Prototypes -------------------------------------------------------------------

        void PrintLogo ();
        void PrintUsage ();

        void VerifyFilenames ( int argc, char * argv [] );
        void ReadCmmndLineParams ( int argc, char * argv [] );

        void Init ();
        void ShutDown ();

        void LoadSourceFile ();
        void CompileSourceFile ();
        void PrintCompiletats ();

        void AssmblOutputFile ();

        void Exit ();

#endif