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* Fix memory leak when copying ST tablesPeter Zhu2023-06-291-0/+1
| | | | | | | | | | | | | | | | | st_copy allocates a st_table, which is not needed for hashes since it is allocated by VWA and embedded, so this causes a memory leak. The following script demonstrates the issue: ```ruby 20.times do 100_000.times do {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9} end puts `ps -o rss= -p #{$$}` end ```
* De-duplicate parse_st.c code from st.cNobuyoshi Nakada2023-06-241-0/+1
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* Remove `st_functions_t`Nobuyoshi Nakada2023-06-241-13/+8
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* * expand tabs. [ci skip]git2023-06-121-1/+1
| | | | Please consider using misc/expand_tabs.rb as a pre-commit hook.
* [Feature #19719] Universal Parseryui-knk2023-06-121-0/+165
Introduce Universal Parser mode for the parser. This commit includes these changes: * Introduce `UNIVERSAL_PARSER` macro. All of CRuby related functions are passed via `struct rb_parser_config_struct` when this macro is enabled. * Add CI task with 'cppflags=-DUNIVERSAL_PARSER' for ubuntu.