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Refactor peekInternal to be a LexerState method

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This commit is contained in:
Rangi42
2024-03-28 13:19:02 -04:00
parent 4172d330b9
commit 83c0634f15
2 changed files with 20 additions and 19 deletions
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5
include/asm/lexer.hpp
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@@ -14,7 +14,7 @@
#include "platform.hpp" // SSIZE_MAX
#define LEXER_BUF_SIZE 128
// The buffer needs to be large enough for the maximum `peekInternal` lookahead distance
// The buffer needs to be large enough for the maximum `lexerState->peek()` lookahead distance
static_assert(LEXER_BUF_SIZE > 1, "Lexer buffer size is too small");
// This caps the size of buffer reads, and according to POSIX, passing more than SSIZE_MAX is UB
static_assert(LEXER_BUF_SIZE <= SSIZE_MAX, "Lexer buffer size is too large");
@@ -53,6 +53,7 @@ struct ViewedContent {
bool canPeek(uint8_t distance) const { return offset + distance < span.size; }
uint8_t peek(uint8_t distance) const { return span.ptr[offset + distance]; }
std::shared_ptr<char[]> makeSharedContentPtr() const {
return std::shared_ptr<char[]>(span.ptr, &span.ptr[offset]);
}
@@ -106,6 +107,8 @@ struct LexerState {
~LexerState();
int peek(uint8_t distance);
std::shared_ptr<char[]> makeSharedCaptureBufPtr() const {
return std::shared_ptr<char[]>(captureBuf, captureBuf->data());
}