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/*************************************************************************/
/* OPARI Version 1.1 */
/* Copyright (C) 2001 */
/* Forschungszentrum Juelich, Zentralinstitut fuer Angewandte Mathematik */
/*************************************************************************/
#include <vector>
using std::vector;
#include <cctype>
using std::tolower;
#include <string>
using std::getline;
#include <algorithm>
using std::transform;
using std::sort;
#include <functional>
using std::greater;
#include <iostream>
using std::cerr;
#include <cstring>
using std::strlen;
#ifdef EBUG
# include <iomanip>
using std::setw;
#endif
#include "opari.h"
#include "handler.h"
namespace {
void look_for(const string& lowline, const char* word,
vector<string::size_type>& positions) {
string::size_type s = 0;
while ( (s = lowline.find(word, s)) != string::npos ) {
positions.push_back(s);
s += strlen(word);
}
}
bool is_comment_line(string& lowline, string& line) {
if ( lowline[0] == '!' || lowline[0] == '*' || lowline[0] == 'c' ) {
// fixed form comment
if ( lowline[1] == '$' &&
lowline.find_first_not_of(" \t0123456789", 2) > 5 ) {
// OpenMP Conditional Compilation
lowline[0] = line[0] = ' ';
lowline[1] = line[1] = ' ';
return false;
} else if ( lowline[1] == 'p' && lowline[2] == '$' &&
lowline.find_first_not_of(" \t0123456789", 3) > 5 ) {
// POMP Conditional Compilation
lowline[0] = line[0] = ' ';
lowline[1] = line[1] = ' ';
lowline[2] = line[2] = ' ';
return false;
} else {
return true;
}
}
string::size_type s = lowline.find_first_not_of(" \n");
if ( s != string::npos && lowline[s] == '!' ) {
// free form full line comment
string::size_type c = lowline.find("!$ ");
if ( c == s ) {
// OpenMP Conditional Compilation
lowline[s] = line[s] = ' ';
lowline[s+1] = line[s+1] = ' ';
return false;
}
c = lowline.find("!p$ ");
if ( c == s ) {
// POMP Conditional Compilation
lowline[s] = line[s] = ' ';
lowline[s+1] = line[s+1] = ' ';
lowline[s+2] = line[s+2] = ' ';
return false;
}
return true;
}
return false;
}
void replace_openmp_api_calls(string& lowline, string& line, char& inString) {
// zero out string constants and free form comments
for (unsigned i=0; i<lowline.size(); ++i) {
if ( inString ) {
// inside string
if ( lowline[i] == inString ) {
lowline[i] = '@';
++i;
if ( i >= lowline.size() ) {
// eol: no double string delimiter -> string ends
inString = 0;
break;
}
if ( lowline[i] != inString ) {
// no double string delimiter -> string ends
inString = 0;
continue;
}
}
lowline[i] = '@';
}
else if ( lowline[i] == '!' ) {
/* -- zero out partial line F90 comments -- */
for (; i<lowline.size(); ++i) lowline[i] = 'C';
break;
}
else if ( lowline[i] == '\'' || lowline[i] == '\"' ) {
inString = lowline[i];
lowline[i] = '@';
}
}
// replace call to omp_*_lock routines
vector<string::size_type> positions;
look_for(lowline, "omp_init_lock", positions);
look_for(lowline, "omp_destroy_lock", positions);
look_for(lowline, "omp_set_lock", positions);
look_for(lowline, "omp_unset_lock", positions);
look_for(lowline, "omp_test_lock", positions);
look_for(lowline, "omp_init_nest_lock", positions); /*2.0*/
look_for(lowline, "omp_destroy_nest_lock", positions); /*2.0*/
look_for(lowline, "omp_set_nest_lock", positions); /*2.0*/
look_for(lowline, "omp_unset_nest_lock", positions); /*2.0*/
look_for(lowline, "omp_test_nest_lock", positions); /*2.0*/
sort(positions.begin(), positions.end(), greater<string::size_type>());
for (unsigned i=0; i<positions.size(); ++i) {
line.insert(positions[i], "p");
}
}
struct fo_tolower : public std::unary_function<int,int> {
int operator()(int x) const {
return std::tolower(x);
}
};
}
void process_fortran(istream& is, const char* infile, const char* incfile,
ostream& os) {
string line;
int lineno = 0;
OMPragma* currPragma = 0;
bool needPragma = false;
char inString = 0;
string::size_type pstart = string::npos;
string::size_type lstart = string::npos;
while ( getline(is, line) ) {
++lineno;
string lowline(line);
transform(line.begin(), line.end(), lowline.begin(), fo_tolower());
if ( inString ) {
if ( ! is_comment_line(lowline, line) && instrument_locks() ) {
replace_openmp_api_calls(lowline, line, inString);
}
os << line << '\n';
# ifdef EBUG
cerr << setw(3) << lineno << ":S+: " << line << '\n';
# endif
} else if ( line.size() &&
(lowline[0] == '!' || lowline[0] == 'c' || lowline[0] == '*') &&
lowline[1] == '$' &&
(
(lowline[2] == 'p' && lowline[3] == 'o' &&
lowline[4] == 'm' && lowline[5] == 'p')
||
(lowline[2] == 'o' &&
lowline[3] == 'm' && lowline[4] == 'p')) ) {
int pomp = (lowline[2] == 'p');
/*
* fix form omp directive
*/
if ( lowline[5+pomp]==' ' || lowline[5+pomp]=='0' ) {
// new directive
if ( currPragma ) {
// if necessary process last complete directive
process_pragma(currPragma, os);
currPragma = 0;
}
currPragma = new OMPragmaF(infile, lineno, 6+pomp, lowline, pomp);
} else {
// continuation directive line
if ( currPragma ) {
currPragma->lines.push_back(lowline);
} else {
cerr << infile << ":" << lineno
<< ": ERROR: invalid continuation line\n";
cleanup_and_exit();
}
}
} else if ( line.size() &&
(lstart = lowline.find_first_not_of(" \t")) != string::npos &&
((lstart == (pstart = lowline.find("!$omp"))) ||
(lstart == (pstart = lowline.find("!$pomp"))))
) {
int pomp = (lowline[pstart+2] == 'p');
/*
* free form omp directive
*/
if ( needPragma ) {
// continuation directive line
currPragma->lines.push_back(lowline);
} else {
// new directive
currPragma
= new OMPragmaF(infile, lineno, pstart+5+pomp, lowline, pomp);
}
string::size_type com = lowline.find("!", pstart+4+pomp);
if ( com != string::npos ) --com;
string::size_type amp = lowline.find_last_not_of(" \t", com);
if ( lowline[amp] == '&' ) {
// last non-white non-comment character == '&' --> continuation
needPragma = true;
} else {
// complete
needPragma = false;
process_pragma(currPragma, os);
currPragma = 0;
}
} else {
/*
* normal line
*/
if ( needPragma ) {
cerr << infile << ":" << lineno-1
<< ": ERROR: missing continuation line\n";
cleanup_and_exit();
} else if ( currPragma ) {
// if necessary process last complete directive
process_pragma(currPragma, os);
currPragma = 0;
}
if ( is_comment_line(lowline, line) ) {
os << line << '\n';
# ifdef EBUG
cerr << setw(3) << lineno << ":C : " << line << '\n';
# endif
} else {
if ( instrument_locks() ) {
replace_openmp_api_calls(lowline, line, inString);
}
os << line << '\n';
extra_handler(lineno, os);
# ifdef EBUG
cerr << setw(3) << lineno << ": : " << line << '\n';
# endif
}
}
}
}
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