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Factor out the code for determining output target name

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into generator.determine-target-name function, so that
it can be easily reused.


[SVN r36604]
This commit is contained in:
Vladimir Prus
2007-01-06 12:03:36 +00:00
parent 640d886fe9
commit 81828a5a72
1 changed files with 32 additions and 24 deletions
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56
src/build/generators.jam
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@@ -371,7 +371,37 @@ class generator
}
}
return $(result) ;
}
}
# Determine the name of the produced target from the
# names of the sources.
rule determine-output-name ( sources + )
{
# The simple case if when a name
# of source has single dot. Then, we take the part before
# dot. Several dots can be caused by:
# - Using source file like a.host.cpp
# - A type which suffix has a dot. Say, we can
# type 'host_cpp' with extension 'host.cpp'.
# In the first case, we want to take the part till the last
# dot. In the second case -- no sure, but for now take
# the part till the last dot too.
name = [ utility.basename [ $(sources[1]).name ] ] ;
for local s in $(sources[2])
{
local n2 = [ utility.basename [ $(s).name ] ] ;
if $(n2) != $(name)
{
error "$(self.id): source targets have different names: cannot determine target name" ;
}
}
# Names of sources might include directory. We should strip it.
name = $(name:D=) ;
return $(name) ;
}
# Constructs targets that are created after consuming 'sources'.
# The result will be the list of virtual-target, which the same length
@@ -397,29 +427,7 @@ class generator
{
if ! $(name)
{
# Determine the name of the produced target from the
# names of the sources. The simple case if when a name
# of source has single dot. Then, we take the part before
# dot. Several dots can be caused by:
# - Using source file like a.host.cpp
# - A type which suffix has a dot. Say, we can
# type 'host_cpp' with extension 'host.cpp'.
# In the first case, we want to take the part till the last
# dot. In the second case -- no sure, but for now take
# the part till the last dot too.
name = [ utility.basename [ $(sources[1]).name ] ] ;
for local s in $(sources[2])
{
local n2 = [ utility.basename [ $(s).name ] ] ;
if $(n2) != $(name)
{
error "$(self.id): source targets have different names: cannot determine target name" ;
}
}
# Names of sources might include directory. We should strip it.
name = $(name:D=) ;
name = [ determine-output-name $(sources) ] ;
}
# Assign an action for each target