| Age | Commit message (Collapse) | Author | Files | Lines |
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This implements an initial fancy display for warnings emitted by the
tvix compiler, using the codemap_diagnostic crate.
Each warning variant has an associated message, and optionally an
associated annotation for the span displayed to the user.
In theory we could get a lot more fancy with the display for specific
variants if needed (e.g. re-parse the AST and actually add multiple
semantic spans based on context), but this is already a good start.
Example:
tvix-repl> let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
warning[W004]: declared variable 'toString' shadows a built-in global!
--> [tvix-repl]:1:5
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^^^^^^^ variable declared here
warning[W001]: URL literal syntax is deprecated, use a quoted string instead
--> [tvix-repl]:1:16
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^^^^^^^^^^^^^^
warning[W002]: inherited variable already exists with the same value
--> [tvix-repl]:1:40
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^^^^^^^^^^^^^^^^
warning[W999]: feature not yet implemented in tvix: recursive attribute sets
--> [tvix-repl]:1:70
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^^^^^
warning[W999]: feature not yet implemented in tvix: closed formals
--> [tvix-repl]:1:62
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^
warning[W003]: variable 'toString' is declared, but never used:
--> [tvix-repl]:1:5
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1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {}
| ^^^^^^^^ variable declared here
=> 42 :: int
These are coloured when output to a terminal.
Change-Id: If315648a07e333895db4ae1d0915ee2013806585
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6532
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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It is impossible for tvixbolt to recover from panics, so the user
experience of typing an expression using an unsupported feature was
that it would get sad and stop responding to input.
Instead, raise a normal value-level error of a new variant and
continue where possible.
Change-Id: Ibe016c92cacb87b85095c0f83758eddc6468053e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6528
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: I90722d59dea4c7694eb5a7cf505db31196ba6c6c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6501
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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There's about to be a lot more code for attrsets (hopefully
temporarily as part of an expand&contract cycle), while nested
attribute logic is being refactored in preparation for recursive
attribute sets.
This does not change any functionality.
Change-Id: I667565cd810ca7d9046120d1721c2ceb9095550b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6497
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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