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Suggest DEF when undefined macros look like definitions

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This commit is contained in:
Rangi42
2025-08-23 21:40:51 -04:00
parent fcfc931867
commit 0d509aa65c
3 changed files with 51 additions and 0 deletions
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28
src/asm/fstack.cpp
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@@ -21,6 +21,7 @@
#include "backtrace.hpp"
#include "helpers.hpp"
#include "linkdefs.hpp"
#include "platform.hpp" // strncasecmp
#include "verbosity.hpp"
#include "asm/lexer.hpp"
@@ -381,6 +382,26 @@ bool fstk_RunInclude(std::string const &path, bool isQuiet) {
return fstk_FileError(path, "INCLUDE");
}
static char const *suggestDef(std::shared_ptr<MacroArgs> const macroArgs) {
std::shared_ptr<std::string> arg = macroArgs->getArg(1);
if (!arg) {
return nullptr;
}
char const *str = arg->c_str();
static char const *types[] = {"EQUS", "EQU", "RB", "RW", "RL", "="};
for (size_t i = 0; i < std::size(types); ++i) {
if (char const *type = types[i]; strncasecmp(str, type, strlen(type)) == 0) {
return type;
}
}
if (strncasecmp(str, "SET", literal_strlen("SET")) == 0) {
return "=";
}
return nullptr;
}
void fstk_RunMacro(
std::string const &macroName, std::shared_ptr<MacroArgs> macroArgs, bool isQuiet
) {
@@ -389,6 +410,13 @@ void fstk_RunMacro(
if (!macro) {
if (sym_IsPurgedExact(macroName)) {
error("Undefined macro `%s`; it was purged", macroName.c_str());
} else if (char const *defType = suggestDef(macroArgs); defType) {
error(
"Undefined macro `%s` (did you mean \"DEF %s %s ...\"?)",
macroName.c_str(),
macroName.c_str(),
defType
);
} else {
error("Undefined macro `%s`", macroName.c_str());
}