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Reduce more nesting depth, and fix an error message

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This commit is contained in:
Rangi42
2025-07-12 08:17:26 -04:00
parent da133baf17
commit ddb2acb652
3 changed files with 46 additions and 47 deletions
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44
src/gfx/process.cpp
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@@ -880,31 +880,33 @@ static void outputUnoptimizedTileData(
for (auto [tile, attr] : zip(png.visitAsTiles(), attrmap)) {
// Do not emit fully-background tiles.
if (!attr.isBackgroundTile()) {
// If the tile is fully transparent, this defaults to palette 0.
Palette const &palette = palettes[attr.getPalID(mappings)];
if (attr.isBackgroundTile()) {
++tileIdx;
continue;
}
bool empty = true;
for (uint32_t y = 0; y < 8; ++y) {
uint16_t bitplanes = TileData::rowBitplanes(tile, palette, y);
if (bitplanes != 0) {
empty = false;
}
if (tileIdx < nbKeptTiles) {
output->sputc(bitplanes & 0xFF);
if (options.bitDepth == 2) {
output->sputc(bitplanes >> 8);
}
// If the tile is fully transparent, this defaults to palette 0.
Palette const &palette = palettes[attr.getPalID(mappings)];
bool empty = true;
for (uint32_t y = 0; y < 8; ++y) {
uint16_t bitplanes = TileData::rowBitplanes(tile, palette, y);
if (bitplanes != 0) {
empty = false;
}
if (tileIdx < nbKeptTiles) {
output->sputc(bitplanes & 0xFF);
if (options.bitDepth == 2) {
output->sputc(bitplanes >> 8);
}
}
}
if (!empty && tileIdx >= nbKeptTiles) {
warning(
WARNING_TRIM_NONEMPTY,
"Trimming a nonempty tile (configure with '-x/--trim-end'"
);
break; // Don't repeat the warning for subsequent tiles
}
if (!empty && tileIdx >= nbKeptTiles) {
warning(
WARNING_TRIM_NONEMPTY, "Trimming a nonempty tile (configure with '-x/--trim-end')"
);
break; // Don't repeat the warning for subsequent tiles
}
++tileIdx;
}

47
src/link/output.cpp
View File

@@ -263,34 +263,31 @@ static void writeROM() {
static void writeSymName(std::string const &name, FILE *file) {
for (char const *ptr = name.c_str(); *ptr != '\0';) {
char c = *ptr;
if (continuesIdentifier(c)) {
// Output legal ASCII characters as-is
// Output legal ASCII characters as-is
if (char c = *ptr; continuesIdentifier(c)) {
putc(c, file);
++ptr;
} else {
// Output illegal characters using Unicode escapes ('\u' or '\U')
// Decode the UTF-8 codepoint; or at least attempt to
uint32_t state = UTF8_ACCEPT, codepoint;
do {
decode(&state, &codepoint, *ptr);
if (state == UTF8_REJECT) {
// This sequence was invalid; emit a U+FFFD, and recover
codepoint = 0xFFFD;
// Skip continuation bytes
// A NUL byte does not qualify, so we're good
while ((*ptr & 0xC0) == 0x80) {
++ptr;
}
break;
}
++ptr;
} while (state != UTF8_ACCEPT);
fprintf(file, codepoint <= 0xFFFF ? "\\u%04" PRIx32 : "\\U%08" PRIx32, codepoint);
continue;
}
// Output illegal characters using Unicode escapes ('\u' or '\U')
// Decode the UTF-8 codepoint; or at least attempt to
uint32_t state = UTF8_ACCEPT, codepoint;
do {
decode(&state, &codepoint, *ptr);
if (state == UTF8_REJECT) {
// This sequence was invalid; emit a U+FFFD, and recover
codepoint = 0xFFFD;
// Skip continuation bytes
// A NUL byte does not qualify, so we're good
while ((*ptr & 0xC0) == 0x80) {
++ptr;
}
break;
}
++ptr;
} while (state != UTF8_ACCEPT);
fprintf(file, codepoint <= 0xFFFF ? "\\u%04" PRIx32 : "\\U%08" PRIx32, codepoint);
}
}

2
test/gfx/warn_trim_nonempty.err
View File

@@ -1,2 +1,2 @@
warning: [-Wtrim-nonempty]
Trimming a nonempty tile (configure with '-x/--trim-end'
Trimming a nonempty tile (configure with '-x/--trim-end')