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Some Expansion references can be const

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This commit is contained in:
Rangi
2026-05-23 13:06:09 -04:00
parent 5f2ee530b8
commit 090768e2c9
1 changed files with 4 additions and 4 deletions
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src/asm/lexer.cpp
+4 -4
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@@ -654,7 +654,7 @@ static std::shared_ptr<std::string> readMacroArg() {
int LexerState::peekChar() { int LexerState::peekChar() {
// This is `.peekCharAhead()` modified for zero lookahead distance // This is `.peekCharAhead()` modified for zero lookahead distance
for (Expansion &exp : expansionStack) { for (Expansion const &exp : expansionStack) {
if (exp.offset < exp.size()) { if (exp.offset < exp.size()) {
return static_cast<uint8_t>((*exp.contents)[exp.offset]); return static_cast<uint8_t>((*exp.contents)[exp.offset]);
} }
@@ -684,7 +684,7 @@ int LexerState::peekCharAhead() {
// We only need one character of lookahead, for macro arguments // We only need one character of lookahead, for macro arguments
uint8_t distance = 1; uint8_t distance = 1;
for (Expansion &exp : expansionStack) { for (Expansion const &exp : expansionStack) {
// An expansion that has reached its end will have `exp.offset` == `exp.size()`, // An expansion that has reached its end will have `exp.offset` == `exp.size()`,
// and `.peekCharAhead()` will continue with its parent // and `.peekCharAhead()` will continue with its parent
assume(exp.offset <= exp.size()); assume(exp.offset <= exp.size());
@@ -777,7 +777,7 @@ static void shiftChar() {
for (;;) { for (;;) {
if (!lexerState->expansionStack.empty()) { if (!lexerState->expansionStack.empty()) {
// Advance within the current expansion // Advance within the current expansion
if (Expansion &exp = lexerState->expansionStack.front(); exp.advance()) { if (lexerState->expansionStack.front().advance()) {
// When advancing would go past an expansion's end, // When advancing would go past an expansion's end,
// move up to its parent and try again to advance // move up to its parent and try again to advance
lexerState->expansionStack.pop_front(); lexerState->expansionStack.pop_front();
@@ -850,7 +850,7 @@ void lexer_TraceStringExpansions() {
return; return;
} }
for (Expansion &exp : lexerState->expansionStack) { for (Expansion const &exp : lexerState->expansionStack) {
// Only print EQUS expansions, not string args // Only print EQUS expansions, not string args
if (exp.name) { if (exp.name) {
style_Set(stderr, STYLE_CYAN, false); style_Set(stderr, STYLE_CYAN, false);