initopt.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 83 行

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*                            Open Watcom Project
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//
// INITOPT   : initialize default options
//

#include "ftnstd.h"
#include "cpopt.h"
#include "global.h"
#include "fcgbls.h"

extern  void            __UseEnglishCharSet(void);

#define INITIAL_OPTS    (OPT_WARN | OPT_ERRFILE | OPT_TERM | OPT_DFLT_LIB | \
                         OPT_REFERENCE | OPT_DESCRIPTOR | OPT_DEPENDENCY)
#if _CPU == 8086
  #define INIT_CG_OPTS  (CGOPT_M_LARGE | CGOPT_ALIGN | CGOPT_DI_DWARF)
  #define INIT_CPU_OPTS (CPUOPT_8086 | CPUOPT_FPI)
#elif _CPU == 386
  #define INIT_CG_OPTS  (CGOPT_M_FLAT | CGOPT_GS_FLOATS | CGOPT_ALIGN| \
                         CGOPT_DI_DWARF)
  #define INIT_CPU_OPTS (CPUOPT_80686 | CPUOPT_FPI | CPUOPT_FP387)
#else
  #define INIT_CG_OPTS  (CGOPT_ALIGN| CGOPT_DI_DWARF|CGOPT_MANGLE)
  #define INIT_CPU_OPTS 0
#endif


void    SetDefaultOpts( void ) {
//========================

// Initialize options.

    Options = INITIAL_OPTS;
    NewOptions = Options;
    CGOpts = INIT_CG_OPTS;
    CPUOpts = INIT_CPU_OPTS;
    DataThreshold = 256;
    ObjName = NULL;
    IncludePath = NULL;
    __UseEnglishCharSet();
}


void    InitOptions( void ) {
//=====================

// Gets called after command line options have been processed
// (NewOptions contains the options).

    Options = NewOptions;
}