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