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Tokenize ++ and -- as tokens but disallow them in the parser, and give better error messages for they are used as operators/statements

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gingerBill
2021-05-15 19:34:46 +01:00
parent 5e31c04a01
commit 5d03bc61b8
2 changed files with 36 additions and 11 deletions
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src/tokenizer.cpp
+11 -3
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@@ -51,8 +51,10 @@ TOKEN_KIND(Token__AssignOpBegin, ""), \
TOKEN_KIND(Token_CmpAndEq, "&&="), \
TOKEN_KIND(Token_CmpOrEq, "||="), \
TOKEN_KIND(Token__AssignOpEnd, ""), \
TOKEN_KIND(Token_ArrowRight, "->"), \
TOKEN_KIND(Token_Undef, "---"), \
TOKEN_KIND(Token_Increment, "++"), \
TOKEN_KIND(Token_Decrement, "--"), \
TOKEN_KIND(Token_ArrowRight,"->"), \
TOKEN_KIND(Token_Undef, "---"), \
\
TOKEN_KIND(Token__ComparisonBegin, ""), \
TOKEN_KIND(Token_CmpEq, "=="), \
@@ -1287,6 +1289,9 @@ void tokenizer_get_token(Tokenizer *t, Token *token, int repeat=0) {
if (t->curr_rune == '=') {
advance_to_next_rune(t);
token->kind = Token_AddEq;
} else if (t->curr_rune == '+') {
advance_to_next_rune(t);
token->kind = Token_Increment;
}
break;
case '-':
@@ -1298,7 +1303,10 @@ void tokenizer_get_token(Tokenizer *t, Token *token, int repeat=0) {
advance_to_next_rune(t);
advance_to_next_rune(t);
token->kind = Token_Undef;
} else if (t->curr_rune == '>') {
} else if (t->curr_rune == '-') {
advance_to_next_rune(t);
token->kind = Token_Decrement;
}else if (t->curr_rune == '>') {
advance_to_next_rune(t);
token->kind = Token_ArrowRight;
}