diff options
Diffstat (limited to 'Parser/tokenizer.c')
| -rw-r--r-- | Parser/tokenizer.c | 65 |
1 files changed, 33 insertions, 32 deletions
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c index e700445..db12828 100644 --- a/Parser/tokenizer.c +++ b/Parser/tokenizer.c @@ -2626,41 +2626,42 @@ tok_get_normal_mode(struct tok_state *tok, tokenizer_mode* current_tok, struct t case ')': case ']': case '}': - if (!tok->level) { - if (INSIDE_FSTRING(tok) && !current_tok->curly_bracket_depth && c == '}') { - return MAKE_TOKEN(syntaxerror(tok, "f-string: single '}' is not allowed")); - } + if (INSIDE_FSTRING(tok) && !current_tok->curly_bracket_depth && c == '}') { + return MAKE_TOKEN(syntaxerror(tok, "f-string: single '}' is not allowed")); + } + if (!tok->tok_extra_tokens && !tok->level) { return MAKE_TOKEN(syntaxerror(tok, "unmatched '%c'", c)); } - tok->level--; - int opening = tok->parenstack[tok->level]; - if (!((opening == '(' && c == ')') || - (opening == '[' && c == ']') || - (opening == '{' && c == '}'))) - { - /* If the opening bracket belongs to an f-string's expression - part (e.g. f"{)}") and the closing bracket is an arbitrary - nested expression, then instead of matching a different - syntactical construct with it; we'll throw an unmatched - parentheses error. */ - if (INSIDE_FSTRING(tok) && opening == '{') { - assert(current_tok->curly_bracket_depth >= 0); - int previous_bracket = current_tok->curly_bracket_depth - 1; - if (previous_bracket == current_tok->curly_bracket_expr_start_depth) { - return MAKE_TOKEN(syntaxerror(tok, "f-string: unmatched '%c'", c)); + if (tok->level > 0) { + tok->level--; + int opening = tok->parenstack[tok->level]; + if (!tok->tok_extra_tokens && !((opening == '(' && c == ')') || + (opening == '[' && c == ']') || + (opening == '{' && c == '}'))) { + /* If the opening bracket belongs to an f-string's expression + part (e.g. f"{)}") and the closing bracket is an arbitrary + nested expression, then instead of matching a different + syntactical construct with it; we'll throw an unmatched + parentheses error. */ + if (INSIDE_FSTRING(tok) && opening == '{') { + assert(current_tok->curly_bracket_depth >= 0); + int previous_bracket = current_tok->curly_bracket_depth - 1; + if (previous_bracket == current_tok->curly_bracket_expr_start_depth) { + return MAKE_TOKEN(syntaxerror(tok, "f-string: unmatched '%c'", c)); + } + } + if (tok->parenlinenostack[tok->level] != tok->lineno) { + return MAKE_TOKEN(syntaxerror(tok, + "closing parenthesis '%c' does not match " + "opening parenthesis '%c' on line %d", + c, opening, tok->parenlinenostack[tok->level])); + } + else { + return MAKE_TOKEN(syntaxerror(tok, + "closing parenthesis '%c' does not match " + "opening parenthesis '%c'", + c, opening)); } - } - if (tok->parenlinenostack[tok->level] != tok->lineno) { - return MAKE_TOKEN(syntaxerror(tok, - "closing parenthesis '%c' does not match " - "opening parenthesis '%c' on line %d", - c, opening, tok->parenlinenostack[tok->level])); - } - else { - return MAKE_TOKEN(syntaxerror(tok, - "closing parenthesis '%c' does not match " - "opening parenthesis '%c'", - c, opening)); } } |