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| author | Ulf Magnusson <ulfalizer@gmail.com> | 2018-09-04 18:05:28 +0200 |
|---|---|---|
| committer | Ulf Magnusson <ulfalizer@gmail.com> | 2018-09-04 20:49:21 +0200 |
| commit | a092257a49ed7850913cf53e474f4c8dd175c94b (patch) | |
| tree | 1024946e748ce2801b03553e78eb9616b0d550da /tests/Kpreprocess | |
| parent | ef5358e8b8174716470b00691fba9946b7d307ce (diff) | |
Allow macro expansion within symbol names
The C implementation supports this (though it's undocumented, and unused
to far).
This can be used e.g. to dynamically instatiate symbols from template
files:
Kconfig.template:
config $(subsys)_LOG
bool "Enable logging for $(subsys)"
depends on $(subsys)_HAS_LOG
... other stuff dependent on $(subsys)
Elsewhere:
subsys = FOO
source "Kconfig.template"
subsys = BAR
source "Kconfig.template"
Pretty sure this can easily be abused, but it should be supported at
least.
Diffstat (limited to 'tests/Kpreprocess')
| -rw-r--r-- | tests/Kpreprocess | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/Kpreprocess b/tests/Kpreprocess index 2ebf6e6..e30b389 100644 --- a/tests/Kpreprocess +++ b/tests/Kpreprocess @@ -67,11 +67,17 @@ special-chars-fn-res = $(fn,$(comma)$(dollar)$(left-paren)foo$(right-paren)) qaz = QAZ echo = $(1) +ignore-first = $(2) config PRINT_ME string "$(ENV_1)" if ($(echo,FOO) && $(echo,BAR)) || !$(echo,BAZ) || !(($(qaz))) default "$(echo,"foo")" if "foo $(echo,"bar") baz" = "$(undefined)" +# Expansion within a symbol token, with deliberate sloppiness +config PRINT_$(ignore-first, ,ME)_TOO + bool "foo" + default FOO$(ignore-first, ,BAR)BAZ$(qaz) if $(qaz)&&$(qaz)FOO&&x$(ignore-first, ,xx) + # Recursive expansion (throws an exception) |