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rework to be better pointer logic

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lizzie
2026-09-02 22:27:06 +00:00
parent a4184b440f
commit 3f6e73290f
1 changed files with 8 additions and 11 deletions
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src/core/file_sys/ips_layer.cpp
+8 -11
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@@ -253,31 +253,28 @@ void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
// now make a nominal preprocessed line: remove comments // now make a nominal preprocessed line: remove comments
char quote = '\0'; char quote = '\0';
auto const sline_start = p; auto const sline_start = p;
const char *last_space = p;
for (; p < sline.cend(); ) { for (; p < sline.cend(); ) {
// we dont check for "//", IPS checks for '/' only... // we dont check for "//", IPS checks for '/' only...
if ((!quote && p[0] == '/') if (std::isspace(*p)) {
++p;
} else if ((!quote && p[0] == '/')
|| (!quote && p[0] == '#')) { || (!quote && p[0] == '#')) {
--p; //eat up the comment char
break; break;
} else if (p[0] == '\"' || p[0] == '\'') { } else if (p[0] == '\"' || p[0] == '\'') {
quote = (p[0] == quote) ? '\0' : p[0]; quote = (p[0] == quote) ? '\0' : p[0];
++p; ++p;
last_space = p;
} else if (p + 1 < sline.cend() && p[0] == '\\') { } else if (p + 1 < sline.cend() && p[0] == '\\') {
p += 2; p += 2;
last_space = p;
} else { } else {
++p; ++p;
last_space = p;
} }
} }
// remove trailing; look at the char before, i.e
// <aa >
// <aa -.>
// <aa-.>
// <a-.>
// <aa>
for (; p - 1 >= sline.cbegin() && std::isspace(p[-1]); --p)
;
// now we have the preprocessed string ;) // now we have the preprocessed string ;)
std::string_view pp_str(sline_start, p); std::string_view pp_str(sline_start, last_space);
if (pp_str.size() > 0 && !parse_line(pp_str)) { if (pp_str.size() > 0 && !parse_line(pp_str)) {
break; break;
} }