blokykandeldritch horrors
6e1e76f10f
currently, the `:st <n>` command in the debugger will simply silently
fail if the argument cannot be converted to an integer, or if it falls
outside the range of valid stack indices. this isn't too big of problem,
but it can be nicer to tell the user something went wrong, rather than
not give them any output and having them guess (esp. in the second case).
this commit adds two errors, one for each case:
1. the argument is not actually an integer, or is outside INT_MIN/MAX
-> "argument '%arg' is not a valid integer"
2. the argument is an integer outside the range of stack traces
-> "stack index must be between 0 and %max_frame, but was %arg"
Change-Id: I8109feeede79a9ad3db9ee7dc95d37e7dd19741a
74 lines
1.9 KiB
Plaintext
74 lines
1.9 KiB
Plaintext
@args --debugger
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nix-repl> throw "(forever?????????)"
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error: (forever?????????)
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argument-less :st works fine
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nix-repl> :st
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0: error: (forever?????????)
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«string»:1:1
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1| throw "(forever?????????)"
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| ^
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Env level 0
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static:
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Env level 1
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abort baseNameOf break builtins derivation derivationStrict dirOf false fetchGit fetchMercurial fetchTarball fetchTree fromTOML import isNull map null placeholder removeAttrs scopedImport throw toString true
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a non-numeric strings produces an error
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nix-repl> :st chat
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error: argument 'chat' is not a valid integer
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nix-repl> :st bedroom community
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error: argument 'bedroom community' is not a valid integer
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...even when they start with a digit
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nix-repl> :st 6up
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error: argument '6up' is not a valid integer
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...or when they're floats
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nix-repl> :st 4.50
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error: argument '4.50' is not a valid integer
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an integer outside the range produces an error
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nix-repl> :st 23571113171923
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error: argument '23571113171923' is not a valid integer
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argument-less :st is still at the same index after errors
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nix-repl> :st 1
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1: while calling a function
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«string»:1:1
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1| throw "(forever?????????)"
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| ^
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Env level 0
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static:
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Env level 1
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abort baseNameOf break builtins derivation derivationStrict dirOf false fetchGit fetchMercurial fetchTarball fetchTree fromTOML import isNull map null placeholder removeAttrs scopedImport throw toString true
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nix-repl> :st foo
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error: argument 'foo' is not a valid integer
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nix-repl> :st
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1: while calling a function
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«string»:1:1
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1| throw "(forever?????????)"
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| ^
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Env level 0
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static:
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Env level 1
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abort baseNameOf break builtins derivation derivationStrict dirOf false fetchGit fetchMercurial fetchTarball fetchTree fromTOML import isNull map null placeholder removeAttrs scopedImport throw toString true
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quit
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nix-repl> :quit
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error: (forever?????????)
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