void assembleFile() {
std::ifstream in(inPath_.c_str());
if (!in) {
error("couldn't open: " + errorString());
}
while (getline(in, line_)) {
++lineNumber_;
p_ = line_.c_str();
// Handle labels.
if (isalnum(*p_)) {
handleLabel();
} else {
// Trim leading whitespace.
trimLeft();
if (*p_ == 0 || *p_ == '#') {
// Skip blank or comment lines.
} else if (*p_ == '.') {
handleDirective();
} else {
handleInstruction();
}
}
}
fixForwardBranches();
writeBytes(&code_[0], &code_[code_.size()]);
}
/* filePreset
*
* Load a file containing presetting information (a configuration file).
*/
static void
filePreset(
tOptions* pOpts,
char const* pzFileName,
int direction )
{
tmap_info_t cfgfile;
tOptState st = OPTSTATE_INITIALIZER(PRESET);
char* pzFileText =
text_mmap( pzFileName, PROT_READ|PROT_WRITE, MAP_PRIVATE, &cfgfile );
if (TEXT_MMAP_FAILED_ADDR(pzFileText))
return;
if (direction == DIRECTION_CALLED) {
st.flags = OPTST_DEFINED;
direction = DIRECTION_PROCESS;
}
/*
* IF this is called via "optionProcess", then we are presetting.
* This is the default and the PRESETTING bit will be set.
* If this is called via "optionFileLoad", then the bit is not set
* and we consider stuff set herein to be "set" by the client program.
*/
if ((pOpts->fOptSet & OPTPROC_PRESETTING) == 0)
st.flags = OPTST_SET;
do {
while (isspace( (int)*pzFileText )) pzFileText++;
if (isalpha( (int)*pzFileText )) {
pzFileText = handleConfig( pOpts, &st, pzFileText, direction );
} else switch (*pzFileText) {
case '<':
if (isalpha( (int)pzFileText[1] ))
pzFileText = handleStructure(pOpts, &st, pzFileText, direction);
else switch (pzFileText[1]) {
case '?':
pzFileText = handleDirective( pOpts, pzFileText );
break;
case '!':
pzFileText = handleComment( pzFileText );
break;
case '/':
pzFileText = strchr( pzFileText+2, '>' );
if (pzFileText++ != NULL)
break;
default:
goto all_done;
}
break;
case '[':
pzFileText = handleProgramSection( pOpts, pzFileText );
break;
case '#':
pzFileText = strchr( pzFileText+1, '\n' );
break;
default:
goto all_done; /* invalid format */
}
} while (pzFileText != NULL);
all_done:
text_munmap( &cfgfile );
}
