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8227028e49
Since commit 13c7bb5b0c (cmGeneratorExpression: Update strip function to
collect parsed expressions, 2025-04-08), the logic to strip generator
expressions from a string made incorrect assumptions about the contents of
generator expressions, leading certain cases to be stripped incorrectly.
Clean up the logic and fix broken behavior, and add test coverage with
`string(GENEX_STRIP)`.
Fixes: #27133
38 lines
819 B
CMake
38 lines
819 B
CMake
function(test_strip input expected)
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string(GENEX_STRIP "${input}" strip)
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if (NOT strip STREQUAL expected)
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message(FATAL_ERROR "message(GENEXP_STRIP \"${input}\")
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evaluated to \"${strip}\"
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expected \"${expected}\"")
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endif()
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endfunction()
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test_strip( # Simple case
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"$<BOOL:1>"
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""
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)
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test_strip( # LHS contains generator expression
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"$<$<CONFIG:Release>:NDEBUG>;DEBUG"
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"DEBUG"
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)
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test_strip( # RHS contains generator expression
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"$<AND:1,$<BOOL:TRUE>>"
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""
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)
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test_strip( # Empty and unfinished expressions
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"$<>$<$<>"
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"$<$<>"
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)
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test_strip( # Multiple independent expressions
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"$<IF:TRUE,TRUE,FALSE> / $<IF:TRUE,TRUE,FALSE>"
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" / "
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)
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test_strip( # Multiple : in one expression
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"$<1:2:3>"
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""
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)
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test_strip( # Multiple case
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"1$<AND:1,0>2$<IF:$<$<BOOL:1>:$<CONFIG:RELEASE>>,TRUE,FALSE>3"
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"123"
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)
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