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2017-06-23Make `mrb_load_exec` a static function.Yukihiro "Matz" Matsumoto
2017-06-07Handles exceptions from code generation phase; fix #3695Yukihiro "Matz" Matsumoto
2017-06-05Limit recursion level of `codegen()`; fix #3690Yukihiro "Matz" Matsumoto
2017-06-02Revert "Update NODE_BLOCK check logic in `void_expr_error`."Yukihiro "Matz" Matsumoto
This reverts commit 31e30686b0bd9333eb0593fb1fb43b9b99744517.
2017-06-02Update NODE_BLOCK check logic in `void_expr_error`.Yukihiro "Matz" Matsumoto
2017-06-02Fixed a bug in `void_expr_error`.Yukihiro "Matz" Matsumoto
2017-06-02Add more precise void expression checks; ref #3686Yukihiro "Matz" Matsumoto
2017-06-01Check for super using OP_ARGARY; fix #3678Yukihiro "Matz" Matsumoto
It generates a wasted empty array for each `super` call though. It should be fixed in the future, if possible.
2017-05-29Mark the proc object representing top-level as an internal object; #3621Yukihiro "Matz" Matsumoto
2017-05-25Make `gen_assignment()` to support `NODE_SCALL`; ref #3658Yukihiro "Matz" Matsumoto
2017-05-12Change return back to break in the default case.Clayton Smith
2017-04-25Avoid use of `snprintf()` when DISABLE_STDIO is set; fix #3632Yukihiro "Matz" Matsumoto
ref #3492 #3515 #3517
2017-04-23Fix embedded document with unterminated terminatorNobuyoshi Nakada
`skips()` is `mrb_bool` function, should return `FALSE` at EOF, not `EOF`.
2017-04-22Alias should `push()` extra stack space for blocks.Yukihiro "Matz" Matsumoto
2017-04-18Changed evaluation order of `yield`; ref #3613Yukihiro "Matz" Matsumoto
So that `yield expr_with_error` will cause the error from the argument rather than `LocalJumpError` when no block is given.
2017-04-13Fixed a bug in NODE_XSTR code generation; fix #3605Yukihiro "Matz" Matsumoto
2017-04-12Exceptions may be raised in yyparse(); fix #3600Yukihiro "Matz" Matsumoto
2017-04-11OP_LAMBDA generation should honor VAL/NOVAL; fix #3580Yukihiro "Matz" Matsumoto
2017-04-03Unify `else` clause styleYukihiro "Matz" Matsumoto
2017-04-03Adjust exit point in `loop_pop()`; fix #3541Yukihiro "Matz" Matsumoto
2017-04-03NODE_SPLAT to pass VAL/NOVAL; fix #3532Yukihiro "Matz" Matsumoto
2017-04-03Remove unnecessary indirection; ref #3557Yukihiro "Matz" Matsumoto
2017-04-03Check before generating special operators (e.g. OP_ADD); fix #3557Yukihiro "Matz" Matsumoto
2017-04-01NODE_ASGN arguments may be 127 (CALL_MAXARGS) accidentally; fix #3559Yukihiro "Matz" Matsumoto
2017-04-01Argument order of __case_eqq was wrong; fix #3567Yukihiro "Matz" Matsumoto
2017-03-23Use MRB_PRId for NODE_NTH_REF; ref #3530Yukihiro "Matz" Matsumoto
2017-03-23Cast to mrb_int to silence a warning; fix #3530Yukihiro "Matz" Matsumoto
2017-03-20Use `snprintf()` to stringify fixnum numbers; ref #3492Yukihiro "Matz" Matsumoto
2017-03-19Fixed OP_RESCUE code generation bug; fix #3519Yukihiro "Matz" Matsumoto
916b8e let code executed with mrb->exc set, and may cause a crash like #3519. Instead modified OP_RESCUE again. To retrieve the exception object, we use `OP_RESCUE R(A), 0, 0` (old behavior). To compare the exception object and the class, we use `OP_RESCUE R(A), R(B), 1`. The reason we use OP_RESCUE for two instruction switched by operand C is to save the instruction space. As a result, the following code: ```ruby begin raise "a" rescue TypeError p 1 rescue RuntimeError p 2 end ``` will be compiled as: ``` irep 0x55cd1f565cb0 nregs=4 nlocals=1 pools=1 syms=4 reps=0 file: - 2 000 OP_ONERR 005 2 001 OP_LOADSELF R1 2 002 OP_STRING R2 L(0) ; "a" 2 003 OP_SEND R1 :raise 1 2 004 OP_JMP 023 2 005 OP_RESCUE R1 3 006 OP_GETCONST R2 :TypeError 3 007 OP_RESCUE R1 R2 cont 3 008 OP_JMPIF R2 010 3 009 OP_JMP 014 4 010 OP_LOADSELF R1 4 011 OP_LOADI R2 1 4 012 OP_SEND R1 :p 1 4 013 OP_JMP 024 5 014 OP_GETCONST R2 :RuntimeError 5 015 OP_RESCUE R1 R2 cont 5 016 OP_JMPIF R2 018 5 017 OP_JMP 022 6 018 OP_LOADSELF R1 6 019 OP_LOADI R2 2 6 020 OP_SEND R1 :p 1 6 021 OP_JMP 024 6 022 OP_RAISE R1 6 023 OP_POPERR 1 6 024 OP_STOP ```
2017-03-12Generate new OP_RESCUE; fix #3487Yukihiro "Matz" Matsumoto
The old OP_RESCUE took one operand A, which specifies a class to match with the exception. The new OP_RESCUE takes tree operands: A: the register to hold exception B: the matching exception; the match result will be stored here. C: the continuation; if C is zero, the exception will be stored to R(A) otherwise, the value from R(A) is used as a exception. Thus, ```ruby begin raise "a" rescue TypeError p 1 rescue RuntimeError p 2 end ``` will be compiled as ``` irep 0x557a06667aa0 nregs=4 nlocals=1 pools=1 syms=4 reps=0 file: /tmp/e.rb 2 000 OP_ONERR 005 2 001 OP_LOADSELF R1 2 002 OP_STRING R2 L(0) ; "a" 2 003 OP_SEND R1 :raise 1 2 004 OP_JMP 022 3 005 OP_GETCONST R2 :TypeError 3 006 OP_RESCUE R1 R2 3 007 OP_JMPIF R2 009 3 008 OP_JMP 013 4 009 OP_LOADSELF R1 4 010 OP_LOADI R2 1 4 011 OP_SEND R1 :p 1 4 012 OP_JMP 023 5 013 OP_GETCONST R2 :RuntimeError 5 014 OP_RESCUE R1 R2 cont 5 015 OP_JMPIF R2 017 5 016 OP_JMP 021 6 017 OP_LOADSELF R1 6 018 OP_LOADI R2 2 6 019 OP_SEND R1 :p 1 6 020 OP_JMP 023 6 021 OP_RAISE R1 6 022 OP_POPERR 1 6 023 OP_STOP ``` The new VM can accept old OP_RESCUE. The mruby compatible VM (namely mruby/c) should be updated to support the new OP_RESCUE behavior.
2017-03-12Enhance OP_RESCUE to take B operand fas matching exception; ref #3487Yukihiro "Matz" Matsumoto
2017-03-11OP_RETRUN to take B as matching exception; ref #3487Yukihiro "Matz" Matsumoto
2017-03-07`__FILE__` should not update `p->filename`; fix #3485Yukihiro "Matz" Matsumoto
2017-03-02Fixed a bug in register size calculation; fix #3479Yukihiro "Matz" Matsumoto
2017-03-02Reorganize C++ exceptions; ref #3470Yukihiro "Matz" Matsumoto
There are 3 levels of C++ exception handling: * default - no C++ exception (use setjmp/longjmp) * enable_cxx_exception (use C++ exceptions with C ABI) * enable_cxx_abi (use C++ ABI including exceptions)
2017-03-01Keep space for safe navigation operator; fix #3475Yukihiro "Matz" Matsumoto
2017-03-01Newlines in strings should be counted; fix #3477Yukihiro "Matz" Matsumoto
2017-02-28Ignore empty ensure clause.Yukihiro "Matz" Matsumoto
2017-02-28`return` (and `break`) should handle splat correctly; fix #3472Yukihiro "Matz" Matsumoto
2017-02-28Fix NODE_DREGX dump; ref #3471Yukihiro "Matz" Matsumoto
2017-02-28Fixed a bug in dregex option generation; fix #3471Yukihiro "Matz" Matsumoto
2017-02-28Update codegen.c commentsYukihiro "Matz" Matsumoto
2017-02-24replace "yylval" with "pylval" to make it compile with byacc.Tomoyuki Sahara
2017-02-13Fixed codegen error of redo in rescue; fix #3422Yukihiro "Matz" Matsumoto
The issue (and the fix) was reported by https://hackerone.com/dgaletic
2017-02-06Check maximum number of formal arguments.Yukihiro "Matz" Matsumoto
http://hkdnet.hatenablog.com/entry/2017/02/06/080000 (Japanese)
2017-02-04Jump address should fit in 16 bits range; fix #3426Yukihiro "Matz" Matsumoto
2017-01-23Fix a double free problem in codegen.c; fix #3378Yukihiro "Matz" Matsumoto
This issue was first reported by https://hackerone.com/geeknik The fix was proposed by @titanous
2017-01-23Fix memory leak; ref #3378Yukihiro "Matz" Matsumoto
The fix was proposed by @titanous
2017-01-21Fix incorrect parsing of block parameters.Clayton Smith
2017-01-20Remove problematic optimization.Clayton Smith
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