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Cleanup scan

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This commit is contained in:
Victor Zverovich 2023-12-25 10:28:50 -08:00
parent 62529aad19
commit 88d19f5de9
1 changed files with 7 additions and 9 deletions
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16
test/scan.h
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@ -51,11 +51,9 @@ class scan_buffer {
: ptr_(ptr), end_(end), contiguous_(contiguous) {} : ptr_(ptr), end_(end), contiguous_(contiguous) {}
~scan_buffer() = default; ~scan_buffer() = default;
auto is_empty() const -> bool { return ptr_ == end_; } void set(string_view buf) {
ptr_ = buf.begin();
void set(const char* ptr, const char* end) noexcept { end_ = buf.end();
ptr_ = ptr;
end_ = end;
} }
auto ptr() const -> const char* { return ptr_; } auto ptr() const -> const char* { return ptr_; }
@ -128,12 +126,12 @@ class scan_buffer {
if (ptr == it.buf_->end_) it.ptr_ = iterator::sentinel(); if (ptr == it.buf_->end_) it.ptr_ = iterator::sentinel();
} }
auto begin() noexcept -> iterator { return this; } auto begin() -> iterator { return this; }
auto end() noexcept -> iterator { return {}; } auto end() -> iterator { return {}; }
auto is_contiguous() const -> bool { return contiguous_; } auto is_contiguous() const -> bool { return contiguous_; }
// Tries consuming a single code unit. // Tries consuming a single code unit. Returns true iff there is more input.
auto try_consume() -> bool { auto try_consume() -> bool {
FMT_ASSERT(ptr_ != end_, ""); FMT_ASSERT(ptr_ != end_, "");
++ptr_; ++ptr_;
@ -252,7 +250,7 @@ class file_scan_buffer : public scan_buffer {
if (c != EOF) file_.unget(static_cast<char>(c)); if (c != EOF) file_.unget(static_cast<char>(c));
buf = file_.buffer(); buf = file_.buffer();
} }
set(buf.begin(), buf.end()); set(buf);
} }
void consume() override { void consume() override {