/*
* Top-level parsing routine. Returns the number of items parsed.
*/
static int do_parsing( OPT_STORAGE *cmdOpts )
/*******************************************/
{
int itemsParsed = 0;
/*** Process the WATCOM_CLONE_OPTIONS environment variable ***/
if( OpenEnvironContext( "WATCOM_CLONE_OPTIONS" ) == 0 ) {
CmdStringParse( cmdOpts, &itemsParsed );
}
/*** Process the RC_OPTIONS environment variable ***/
if( OpenEnvironContext( "RC_OPTIONS" ) == 0 ) {
CmdStringParse( cmdOpts, &itemsParsed );
}
/*** Process the RC environment variable ***/
if( OpenEnvironContext( "RC" ) == 0 ) {
CmdStringParse( cmdOpts, &itemsParsed );
}
/*** Process the command line ***/
OpenCmdLineContext();
CmdStringParse( cmdOpts, &itemsParsed );
return( itemsParsed );
}
/*
* Parse the command string contained in the current context.
*/
void CmdStringParse( OPT_STORAGE *cmdOpts, int *itemsParsed )
/***********************************************************/
{
int ch;
char * filename;
for( ;; ) {
/*** Find the start of the next item ***/
CmdScanWhitespace();
ch = GetCharContext();
if( ch == '\0' ) break;
MarkPosContext(); /* mark start of switch */
/*** Handle switches, command files, and input files ***/
if( ch == '-' || ch == '/' ) { /* switch */
if( OPT_PROCESS( cmdOpts ) != 0 ) {
cmd_line_error();
}
} else if( ch == '@' ) { /* command file */
filename = CmdScanFileNameWithoutQuotes();
PushContext();
if( OpenFileContext( filename ) ) {
FatalError( "Cannot open '%s'.", filename );
}
FreeMem( filename );
CmdStringParse( cmdOpts, itemsParsed );
PopContext();
} else if( ch == '"' ) { /* quoted option or file name */
ch = GetCharContext();
if( ch == '-' ) {
Quoted = 1;
if( OPT_PROCESS( cmdOpts ) != 0 ) {
cmd_line_error();
}
} else {
UngetCharContext();
UngetCharContext();
filename = CmdScanFileName();
AddFile( TYPE_DEFAULT_FILE, filename );
FreeMem( filename );
}
} else { /* input file */
UngetCharContext();
filename = CmdScanFileName();
AddFile( TYPE_DEFAULT_FILE, filename );
FreeMem( filename );
}
(*itemsParsed)++;
}
CloseContext();
}
/*
* Parse the command string contained in the current context.
*/
void CmdStringParse( OPT_STORAGE *cmdOpts, int *itemsParsed )
/***********************************************************/
{
char ch;
char * filename;
char * str;
for( ;; ) {
/*** Find the start of the next item ***/
CmdScanWhitespace();
ch = GetCharContext();
if( ch == '\0' ) break;
MarkPosContext(); /* mark start of switch */
/*** Handle switches, command files, and input files ***/
if( ch == '-' || ch == '/' ) { /* switch */
if( OPT_PROCESS( cmdOpts ) ) {
/*
* Switch didn't match, if user entered empty switch,
* just be silent like MS's nmake does.
*/
ch = GetCharContext();
if( ch != '\0' && !isspace( ch ) ) {
cmd_line_error();
}
}
} else if( ch == '@' ) { /* command file */
filename = CmdScanFileNameWithoutQuotes();
PushContext();
if( OpenFileContext( filename ) ) {
FatalError( "Cannot open '%s'.", filename );
}
FreeMem( filename );
CmdStringParse( cmdOpts, itemsParsed );
PopContext();
} else { /* targets and macros */
UngetCharContext();
str = CmdScanString();
add_string( &(cmdOpts->t010101010101_value), str, '\0' );
cmdOpts->t010101010101 = 1;
}
(*itemsParsed)++;
}
CloseContext();
}