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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-02-06 09:14:49 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2017-02-06 09:14:49 +0900 |
| commit | f2b18a604c6e4db5875b689ba26b377ad720a3ab (patch) | |
| tree | 47b98cf81bde3adfe03d148120ec737eba76b2fd | |
| parent | 48e0bbbfeea8268b09ad0a6bbc840834cc443fe0 (diff) | |
| download | mruby-f2b18a604c6e4db5875b689ba26b377ad720a3ab.tar.gz mruby-f2b18a604c6e4db5875b689ba26b377ad720a3ab.zip | |
Check maximum number of formal arguments.
http://hkdnet.hatenablog.com/entry/2017/02/06/080000 (Japanese)
| -rw-r--r-- | mrbgems/mruby-compiler/core/codegen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c index 1f7c069d4..778b6fe0f 100644 --- a/mrbgems/mruby-compiler/core/codegen.c +++ b/mrbgems/mruby-compiler/core/codegen.c @@ -666,6 +666,9 @@ lambda_body(codegen_scope *s, node *tree, int blk) ka = kd = 0; ba = tree->car->cdr->cdr->cdr->cdr ? 1 : 0; + if (ma > 0x1f || oa > 0x1f || pa > 0x1f || ka > 0x1f) { + codegen_error(s, "too many formal arguments"); + } a = ((mrb_aspec)(ma & 0x1f) << 18) | ((mrb_aspec)(oa & 0x1f) << 13) | ((ra & 1) << 12) |