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[ruby/prism] Fix invalid read at EOF

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https://github.com/ruby/prism/commit/dddaf67c34
This commit is contained in:
Kevin Newton 2024-05-20 10:42:52 -04:00 committed by git
parent e90e8f8bd3
commit 2e8ae13974
1 changed files with 10 additions and 10 deletions
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20
prism/prism.c
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@ -427,14 +427,6 @@ lex_state_p(const pm_parser_t *parser, pm_lex_state_t state) {
return parser->lex_state & state;
}
/**
* This is equivalent to the predicate of warn_balanced in CRuby.
*/
static inline bool
ambiguous_operator_p(const pm_parser_t *parser, bool space_seen) {
return !lex_state_p(parser, PM_LEX_STATE_CLASS | PM_LEX_STATE_DOT | PM_LEX_STATE_FNAME | PM_LEX_STATE_ENDFN) && space_seen && !pm_char_is_whitespace(*parser->current.end);
}
typedef enum {
PM_IGNORED_NEWLINE_NONE = 0,
PM_IGNORED_NEWLINE_ALL,
@ -8074,7 +8066,7 @@ pm_do_loop_stack_p(pm_parser_t *parser) {
* is beyond the end of the source then return '\0'.
*/
static inline uint8_t
peek_at(pm_parser_t *parser, const uint8_t *cursor) {
peek_at(const pm_parser_t *parser, const uint8_t *cursor) {
if (cursor < parser->end) {
return *cursor;
} else {
@ -8097,7 +8089,7 @@ peek_offset(pm_parser_t *parser, ptrdiff_t offset) {
* that position is beyond the end of the source then return '\0'.
*/
static inline uint8_t
peek(pm_parser_t *parser) {
peek(const pm_parser_t *parser) {
return peek_at(parser, parser->current.end);
}
@ -8162,6 +8154,14 @@ next_newline(const uint8_t *cursor, ptrdiff_t length) {
return memchr(cursor, '\n', (size_t) length);
}
/**
* This is equivalent to the predicate of warn_balanced in CRuby.
*/
static inline bool
ambiguous_operator_p(const pm_parser_t *parser, bool space_seen) {
return !lex_state_p(parser, PM_LEX_STATE_CLASS | PM_LEX_STATE_DOT | PM_LEX_STATE_FNAME | PM_LEX_STATE_ENDFN) && space_seen && !pm_char_is_whitespace(peek(parser));
}
/**
* Here we're going to check if this is a "magic" comment, and perform whatever
* actions are necessary for it here.