feat[next]: friendly errors for call-time, construction and builtin misuse#2664

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havogt wants to merge 11 commits into

GridTools:mainfrom

havogt:next_friendly_errors_runtime

Commits on Jun 16, 2026

fix[next]: DSLError instead of crash for 'global'/'nonlocal' statements
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fix[next]: DSLError for invalid attribute access in field operators
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fix[next]: DSLError for invalid subscripts and dimension indices
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fix[next]: DSLError for unresolvable or invalid type annotations
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fix[next]: DSLError for invalid statements and calls in programs
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style[next]: reformat comparison-chain error into message + hint
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style[next]: annotate hints tuple in func_to_past closure-var check
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fix[next]: DSLError for invalid arguments at call time
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fix[next]: clearer diagnostics for signatures, constants and connectivity misuse
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fix[next]: clear errors for invalid offset providers, dtypes and constructor misuse
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style[next]: annotate hints tuple and reformat construction/call-time diagnostics
havogt
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