glm94/assm-test
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Updated the way string symbols are handled, allowing the programmer to terminate a string with any byte or none at all.

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glm94
2022-10-08 16:35:05 -05:00
parent 8b6edc39be
commit 48a77950be
3 changed files with 57 additions and 7 deletions
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src/parser.c
+30 -6
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@@ -100,13 +100,34 @@ void HandleAssemblerDirective() {
}
else if (token->Class == CharacterClass) {
Symbol* s = AddSymbolToTable(symbolname, StringSymbol, MachineState.SymbolsTable);
char* string = token->Lemexe;
s->Value.Text = token->Lemexe;
AdvanceParser();
IgnoreParserLine();
if (PeekToken()->Class == PunctuationClass && PeekToken()->Value.Punctuation == Comma) {
AdvanceParser();
token = PeekToken();
if (token->Class != NumberClass) {
fprintf(stderr, "[Error] Line %d: Expected terminating byte.\n", token->LineNumber);
IgnoreParserLine();
return;
}
if (token->Value.Number > 255) {
fprintf(stderr, "[Error] Line %d: Number must fit within a byte.\n", token->LineNumber);
IgnoreParserLine();
return;
}
s->Value.String = CreateSymbolString(string, 1);
s->Value.String->TerminatingByte = token->Value.Number;
}
else s->Value.String = CreateSymbolString(string, 0);
}
else IgnoreParserLine();
IgnoreParserLine();
}
Parameter* GetParameterType() {
@@ -273,10 +294,13 @@ void PrintSymbols(void) {
printf("%s -> %s", symbol->Name, mn);
break;
case NumericSymbol:
printf("[N] %s", symbol->Name);
printf("[N] %s Value: %d", symbol->Name, symbol->Value.Number);
break;
case StringSymbol:
printf("[S] %s", symbol->Name);
if (symbol->Value.String->Terminated)
printf("[S] %s, %d", symbol->Name, symbol->Value.String->TerminatingByte);
else
printf("[S] %s", symbol->Value.String->String);
break;
case UnresolvedSymbol:
printf("[U] %s", symbol->Name);