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lexer: disallow weird lexer number jank

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This commit is contained in:
Blendi
2026-04-20 21:48:06 +02:00
parent d8f22e1c11
commit 6bc9249094
3 changed files with 19 additions and 1 deletions
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16
src/lexer.c
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@@ -131,6 +131,14 @@ noom_uint_t noomL_getnumber(const char* s, noomL_ErrorType* error, noom_LuaVersi
*error = NOOML_ERROR_MALFORMED_NUM;
return 0;
}
// check if identifier starter, if so, it's malformed (you can't do a=0xffl=2 or whatevs)
if (version >= NOOM_VERSION_51) { // always true for now, but if 5.0 this shouldn't happen.
if (noomL_isalpha(s[len]) || s[len] == '_') {
*error = NOOML_ERROR_MALFORMED_NUM;
return 0;
}
}
return len;
} else {
@@ -170,6 +178,14 @@ noom_uint_t noomL_getnumber(const char* s, noomL_ErrorType* error, noom_LuaVersi
}
}
// check if identifier starter, if so, it's malformed (you can't do a=53b=2 or whatevs)
if (version >= NOOM_VERSION_51) { // always true for now, but if 5.0 this shouldn't happen.
if (noomL_isalpha(s[len]) || s[len] == '_') {
*error = NOOML_ERROR_MALFORMED_NUM;
return 0;
}
}
return len;
}

2
src/main.c
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@@ -33,7 +33,7 @@ void print_node(noomP_Node* node, noom_uint_t depth) {
int main(int argc, char** argv) {
// uhh uhhh uhhhhh
const char* code = "local a = 0x0.1E";
const char* code = "local a = 52 local b = 2";
noom_uint_t pos = 0;
printf("LEX OUTPUT:\n");

2
src/noom.h
View File

@@ -1,8 +1,10 @@
typedef enum noom_LuaVersion {
// no 5.0, at least for now, cause it doesn't seem to be used much and is a bit *weird*
NOOM_VERSION_51,
NOOM_VERSION_52,
NOOM_VERSION_53,
NOOM_VERSION_54
// no you don't get 5.5; if someone wants to do it and maintain it, they can, i'm not gonna.
} noom_LuaVersion;