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parse.y: fix nested here-document bug; fix #5607

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- remove `lex_strterm_before_heredoc` that does not nest
- remove `all_heredocs` that cannot distinguish nested and followed
  here-doc
- replace `lex_strterm` represented by cons list by C struct
- push/pop `lex_strterm` before/after interpolation
This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-06-13 22:25:37 +09:00
parent 3cab2e7b78
commit 561dffcccc
3 changed files with 1243 additions and 1229 deletions
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include/mruby/compile.h
+1 -3
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@@ -127,7 +127,7 @@ struct mrb_parser_state {
int column;
enum mrb_lex_state_enum lstate;
mrb_ast_node *lex_strterm; /* (type nest_level beg . end) */
struct parser_lex_strterm *lex_strterm;
unsigned int cond_stack;
unsigned int cmdarg_stack;
@@ -143,10 +143,8 @@ struct mrb_parser_state {
int tidx;
int tsiz;
mrb_ast_node *all_heredocs; /* list of mrb_parser_heredoc_info* */
mrb_ast_node *heredocs_from_nextline;
mrb_ast_node *parsing_heredoc;
mrb_ast_node *lex_strterm_before_heredoc;
void *ylval;