64ab3302d5
This patch renames the modules in f18 to use a capital letter in the module name Signed-off-by: Caroline Concatto <caroline.concatto@arm.com> Original-commit: flang-compiler/f18@d2eb7a1c44 Reviewed-on: https://github.com/flang-compiler/f18/pull/980
91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
//===-- lib/Parser/char-buffer.cpp ----------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "flang/Parser/char-buffer.h"
|
|
#include "flang/Common/idioms.h"
|
|
#include <algorithm>
|
|
#include <cstddef>
|
|
#include <cstring>
|
|
|
|
namespace Fortran::parser {
|
|
|
|
char *CharBuffer::FreeSpace(std::size_t *n) {
|
|
int offset{LastBlockOffset()};
|
|
if (blocks_.empty()) {
|
|
blocks_.emplace_front();
|
|
last_ = blocks_.begin();
|
|
lastBlockEmpty_ = true;
|
|
} else if (offset == 0 && !lastBlockEmpty_) {
|
|
last_ = blocks_.emplace_after(last_);
|
|
lastBlockEmpty_ = true;
|
|
}
|
|
*n = Block::capacity - offset;
|
|
return last_->data + offset;
|
|
}
|
|
|
|
void CharBuffer::Claim(std::size_t n) {
|
|
if (n > 0) {
|
|
bytes_ += n;
|
|
lastBlockEmpty_ = false;
|
|
}
|
|
}
|
|
|
|
std::size_t CharBuffer::Put(const char *data, std::size_t n) {
|
|
std::size_t chunk;
|
|
for (std::size_t at{0}; at < n; at += chunk) {
|
|
char *to{FreeSpace(&chunk)};
|
|
chunk = std::min(n - at, chunk);
|
|
Claim(chunk);
|
|
std::memcpy(to, data + at, chunk);
|
|
}
|
|
return bytes_ - n;
|
|
}
|
|
|
|
std::size_t CharBuffer::Put(const std::string &str) {
|
|
return Put(str.data(), str.size());
|
|
}
|
|
|
|
std::string CharBuffer::Marshal() const {
|
|
std::string result;
|
|
std::size_t bytes{bytes_};
|
|
result.reserve(bytes);
|
|
for (const Block &block : blocks_) {
|
|
std::size_t chunk{std::min(bytes, Block::capacity)};
|
|
for (std::size_t j{0}; j < chunk; ++j) {
|
|
result += block.data[j];
|
|
}
|
|
bytes -= chunk;
|
|
}
|
|
result.shrink_to_fit();
|
|
CHECK(result.size() == bytes_);
|
|
return result;
|
|
}
|
|
|
|
std::string CharBuffer::MarshalNormalized() const {
|
|
std::string result;
|
|
std::size_t bytes{bytes_};
|
|
result.reserve(bytes + 1 /* for terminal line feed */);
|
|
char ch{'\0'};
|
|
for (const Block &block : blocks_) {
|
|
std::size_t chunk{std::min(bytes, Block::capacity)};
|
|
for (std::size_t j{0}; j < chunk; ++j) {
|
|
ch = block.data[j];
|
|
if (ch != '\r') {
|
|
result += ch;
|
|
}
|
|
}
|
|
bytes -= chunk;
|
|
}
|
|
if (ch != '\n') {
|
|
result += '\n';
|
|
}
|
|
result.shrink_to_fit();
|
|
return result;
|
|
}
|
|
}
|