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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <core/common/Utils.hpp>
#include "Terminal.hpp"
#include "TerminalLogger.hpp"
namespace ousia {
/* Class TerminalLogger */
void TerminalLogger::processMessage(const Message &msg)
{
Terminal t(useColor);
// Fetch filename, position and context
const SourceContext ctx = messageContext(msg);
// Print the file name
if (ctx.hasFile()) {
os << t.bright() << ctx.filename << t.reset();
}
// Print line and column number
if (ctx.hasLine()) {
if (ctx.hasFile()) {
os << ':';
}
os << t.bright() << ctx.startLine << t.reset();
if (ctx.hasColumn()) {
os << ':' << ctx.startColumn;
}
}
// Print the optional seperator
if (ctx.hasFile() || ctx.hasLine()) {
os << ": ";
}
// Print the severity
switch (msg.severity) {
case Severity::DEBUG:
break;
case Severity::NOTE:
os << t.color(Terminal::CYAN, true) << "note: ";
break;
case Severity::WARNING:
os << t.color(Terminal::MAGENTA, true) << "warning: ";
break;
case Severity::ERROR:
os << t.color(Terminal::RED, true) << "error: ";
break;
case Severity::FATAL_ERROR:
os << t.color(Terminal::RED, true) << "fatal error: ";
break;
}
os << t.reset();
// Print the actual message
os << msg.msg << std::endl;
// Print the error message context if available
if (ctx.hasText()) {
// Iterate over each line in the text
std::vector<std::string> lines = Utils::split(ctx.text, '\n');
const size_t relLen = ctx.relLen ? ctx.relLen : 1;
const size_t relPos = ctx.relPos;
const size_t pstart = relPos;
const size_t pend = relPos + relLen;
size_t lstart = 0;
size_t lend = 0;
for (size_t n = 0; n < lines.size(); n++) {
bool firstLine = n == 0;
bool lastLine = n == lines.size() - 1;
// Indicate truncation and indent non-first lines
if (ctx.truncatedStart && firstLine) {
os << t.italic() << "[...] " << t.reset();
}
if (!firstLine) {
os << "\t";
}
// Print the actual line, replace tabs
for (char c: lines[n]) {
if (c == '\t') {
os << " ";
} else {
os << c;
}
}
if (!lastLine) {
os << t.color(Terminal::BLACK) << "¶" << t.reset();
}
// Indicate truncation
if (ctx.truncatedEnd && lastLine) {
os << t.italic() << " [...]" << t.reset();
}
os << std::endl;
// Repeat truncation or indendation space in the next line
if (ctx.truncatedStart && firstLine) {
os << " ";
}
if (!firstLine) {
os << "\t";
}
// Print the position indicators
lend = lastLine ? pend : lstart + lines[n].size();
bool inRegion = false;
for (size_t i = lstart; i < lend + 1; i++) {
if (i >= pstart && i < pend) {
if (!inRegion) {
os << t.color(Terminal::GREEN);
inRegion = true;
}
} else {
if (inRegion) {
os << t.reset();
inRegion = false;
}
}
char c = i < ctx.text.size() ? ctx.text[i] : ' ';
if (c == '\t') {
if (inRegion) {
if (relLen == 1) {
os << "^ ";
} else {
os << "~~~~";
}
} else {
os << " ";
}
} else {
if (inRegion) {
if (relLen == 1) {
os << "^";
} else {
os << "~";
}
} else {
os << " ";
}
}
}
if (inRegion) {
os << t.reset();
}
os << std::endl;
lstart = lend + 1; // skip newline
}
}
}
}
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