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//
// Copyright 2012-2016 Francisco Jerez
// Copyright 2012-2016 Advanced Micro Devices, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#ifndef CLOVER_LLVM_UTIL_HPP
#define CLOVER_LLVM_UTIL_HPP
#include "core/error.hpp"
#include "util/u_debug.h"
#include <vector>
#include <fstream>
#include <iostream>
#include <sstream>
namespace clover {
namespace llvm {
template<typename E> void
fail(std::string &r_log, E &&e, const std::string &s) {
r_log += s;
throw e;
}
inline std::vector<std::string>
tokenize(const std::string &s) {
std::vector<std::string> ss;
std::ostringstream oss;
// OpenCL programs can pass a quoted argument, most frequently the
// include path. This is useful so that path containing spaces is
// treated as a single argument instead of being split by the spaces.
// Additionally, the argument should also be unquoted before being
// passed to the compiler. We avoid using std::string::replace here to
// remove quotes, as the single and double quote characters can be a
// part of the file name.
bool escape_next = false;
bool in_quote_double = false;
bool in_quote_single = false;
for (auto c : s) {
if (escape_next) {
oss.put(c);
escape_next = false;
} else if (c == '\\') {
escape_next = true;
} else if (c == '"' && !in_quote_single) {
in_quote_double = !in_quote_double;
} else if (c == '\'' && !in_quote_double) {
in_quote_single = !in_quote_single;
} else if (c != ' ' || in_quote_single || in_quote_double) {
oss.put(c);
} else if (oss.tellp() > 0) {
ss.emplace_back(oss.str());
oss.str("");
}
}
if (oss.tellp() > 0)
ss.emplace_back(oss.str());
if (in_quote_double || in_quote_single)
throw invalid_build_options_error();
return ss;
}
inline std::string
as_string(const std::vector<char> &v) {
return { v.begin(), v.end() };
}
struct target {
target(const std::string &s) :
cpu(s.begin(), s.begin() + s.find_first_of("-")),
triple(s.begin() + s.find_first_of("-") + 1, s.end()) {}
std::string cpu;
std::string triple;
};
namespace debug {
enum flag {
clc = 1 << 0,
llvm = 1 << 1,
native = 1 << 2
};
inline bool
has_flag(flag f) {
static const struct debug_named_value debug_options[] = {
{ "clc", clc, "Dump the OpenCL C code for all kernels." },
{ "llvm", llvm, "Dump the generated LLVM IR for all kernels." },
{ "native", native, "Dump kernel assembly code for targets "
"specifying PIPE_SHADER_IR_NATIVE" },
DEBUG_NAMED_VALUE_END
};
static const unsigned flags =
debug_get_flags_option("CLOVER_DEBUG", debug_options, 0);
return flags & f;
}
inline void
log(const std::string &suffix, const std::string &s) {
const std::string path = debug_get_option("CLOVER_DEBUG_FILE",
"stderr");
if (path == "stderr")
std::cerr << s;
else
std::ofstream(path + suffix, std::ios::app) << s;
}
}
}
}
#endif
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