52 lines
2.6 KiB
INI
52 lines
2.6 KiB
INI
import lit.formats
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config.name = "shtest-define"
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config.suffixes = [".txt"]
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# Use lit's internal shell to avoid shell portability issues within RUN lines
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# (e.g., for 'echo' commands in Windows). Those issues should be orthogonal to
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# the substitution behavior we are trying to test.
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config.test_format = lit.formats.ShTest(execute_external=False)
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config.test_source_root = None
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config.test_exec_root = None
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# When config.recursiveExpansionLimit is not specified, it's important to
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# prepend substitutions before substitutions they might now or later (upon a
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# redefinition) depend upon. For example, %{global:greeting} and %{global:what}
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# act as parameters for %{global:echo}, so we make sure the latter expands
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# before the former. Moreover, some tests redefine %{global:greeting} in terms
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# of %{global:what}, so we make sure the former expands before the latter.
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# If we always insert at the beginning of the substitution list (as DEFINE
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# does), then the rule is simple: define a substitution before you refer to it.
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config.substitutions.insert(0, ("%{global:what}", "World"))
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config.substitutions.insert(0, ("%{global:greeting}", ""))
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config.substitutions.insert(
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0, ("%{global:echo}", "echo GLOBAL: %{global:greeting} %{global:what}")
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)
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# The following substitution definitions are confusing and should be avoided.
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# We define them here so we can test that 'DEFINE:' and 'REDEFINE:' directives
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# guard against the confusion they cause.
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# Even though each of '%{global:inside}', '%{global:prefix}', and
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# '%{global:suffix}' is not already the exact pattern of a substitution,
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# 'DEFINE:' and 'REDEFINE:' will refuse to (re)define a substitution with that
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# pattern because it is a substring of one of the following substitution's
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# patterns.
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config.substitutions.insert(0, ("<%{global:inside}>", "<@>"))
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config.substitutions.insert(0, (r"%{global:prefix}\((.*)\)", r"@(\g<1>)"))
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config.substitutions.insert(0, ("@%{global:suffix}", "@@"))
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# These cannot be redefined by 'REDEFINE:', which doesn't know which one to
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# redefine.
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config.substitutions.insert(0, ("%{global:multiple-exact}", "first"))
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config.substitutions.insert(0, ("%{global:multiple-exact}", "second"))
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# Even though '%{global:multiple-once-exact}' is the exact pattern of only one
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# existing substitution, 'REDEFINE:' will refuse to redefine that substitution
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# because that string is a substring of another substitution's pattern.
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config.substitutions.insert(0, ("%{global:multiple-once-exact}", "@"))
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config.substitutions.insert(0, ("<%{global:multiple-once-exact}>", "<@>"))
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recur = lit_config.params.get("recur", None)
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if recur:
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config.recursiveExpansionLimit = int(recur)
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