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authorKenneth Heafield <github@kheafield.com>2012-05-12 14:01:52 -0400
committerKenneth Heafield <github@kheafield.com>2012-05-12 14:01:52 -0400
commit3faecf9a00512dcbc8712c4bca9adae72fb64410 (patch)
tree9761b50d12f81a675fb7cbc663ceebad15079f78 /jam-files/boost-build/build/build-request.jam
parentc806a8fff63043f63773874986301f2822a2b552 (diff)
Give in and copy bjam into cdec source code
Diffstat (limited to 'jam-files/boost-build/build/build-request.jam')
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1 files changed, 322 insertions, 0 deletions
diff --git a/jam-files/boost-build/build/build-request.jam b/jam-files/boost-build/build/build-request.jam
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+# Copyright 2002 Dave Abrahams
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+
+import "class" : new ;
+import sequence ;
+import set ;
+import regex ;
+import feature ;
+import property ;
+import container ;
+import string ;
+
+
+# Transform property-set by applying f to each component property.
+#
+local rule apply-to-property-set ( f property-set )
+{
+ local properties = [ feature.split $(property-set) ] ;
+ return [ string.join [ $(f) $(properties) ] : / ] ;
+}
+
+
+# Expand the given build request by combining all property-sets which do not
+# specify conflicting non-free features. Expects all the project files to
+# already be loaded.
+#
+rule expand-no-defaults ( property-sets * )
+{
+ # First make all features and subfeatures explicit.
+ local expanded-property-sets = [ sequence.transform apply-to-property-set
+ feature.expand-subfeatures : $(property-sets) ] ;
+
+ # Now combine all of the expanded property-sets
+ local product = [ x-product $(expanded-property-sets) : $(feature-space) ] ;
+
+ return $(product) ;
+}
+
+
+# Implementation of x-product, below. Expects all the project files to already
+# be loaded.
+#
+local rule x-product-aux ( property-sets + )
+{
+ local result ;
+ local p = [ feature.split $(property-sets[1]) ] ;
+ local f = [ set.difference $(p:G) : [ feature.free-features ] ] ;
+ local seen ;
+ # No conflict with things used at a higher level?
+ if ! [ set.intersection $(f) : $(x-product-used) ]
+ {
+ local x-product-seen ;
+ {
+ # Do not mix in any conflicting features.
+ local x-product-used = $(x-product-used) $(f) ;
+
+ if $(property-sets[2])
+ {
+ local rest = [ x-product-aux $(property-sets[2-]) : $(feature-space) ] ;
+ result = $(property-sets[1])/$(rest) ;
+ }
+
+ result ?= $(property-sets[1]) ;
+ }
+
+ # If we did not encounter a conflicting feature lower down, do not
+ # recurse again.
+ if ! [ set.intersection $(f) : $(x-product-seen) ]
+ {
+ property-sets = ;
+ }
+
+ seen = $(x-product-seen) ;
+ }
+
+ if $(property-sets[2])
+ {
+ result += [ x-product-aux $(property-sets[2-]) : $(feature-space) ] ;
+ }
+
+ # Note that we have seen these features so that higher levels will recurse
+ # again without them set.
+ x-product-seen += $(f) $(seen) ;
+ return $(result) ;
+}
+
+
+# Return the cross-product of all elements of property-sets, less any that would
+# contain conflicting values for single-valued features. Expects all the project
+# files to already be loaded.
+#
+local rule x-product ( property-sets * )
+{
+ if $(property-sets).non-empty
+ {
+ # Prepare some "scoped globals" that can be used by the implementation
+ # function, x-product-aux.
+ local x-product-seen x-product-used ;
+ return [ x-product-aux $(property-sets) : $(feature-space) ] ;
+ }
+ # Otherwise return empty.
+}
+
+
+# Returns true if either 'v' or the part of 'v' before the first '-' symbol is
+# an implicit value. Expects all the project files to already be loaded.
+#
+local rule looks-like-implicit-value ( v )
+{
+ if [ feature.is-implicit-value $(v) ]
+ {
+ return true ;
+ }
+ else
+ {
+ local split = [ regex.split $(v) - ] ;
+ if [ feature.is-implicit-value $(split[1]) ]
+ {
+ return true ;
+ }
+ }
+}
+
+
+# Takes the command line tokens (such as taken from the ARGV rule) and
+# constructs a build request from them. Returns a vector of two vectors (where
+# "vector" means container.jam's "vector"). First is the set of targets
+# specified in the command line, and second is the set of requested build
+# properties. Expects all the project files to already be loaded.
+#
+rule from-command-line ( command-line * )
+{
+ local targets ;
+ local properties ;
+
+ command-line = $(command-line[2-]) ;
+ local skip-next = ;
+ for local e in $(command-line)
+ {
+ if $(skip-next)
+ {
+ skip-next = ;
+ }
+ else if ! [ MATCH "^(-).*" : $(e) ]
+ {
+ # Build request spec either has "=" in it or completely consists of
+ # implicit feature values.
+ local fs = feature-space ;
+ if [ MATCH "(.*=.*)" : $(e) ]
+ || [ looks-like-implicit-value $(e:D=) : $(feature-space) ]
+ {
+ properties += [ convert-command-line-element $(e) :
+ $(feature-space) ] ;
+ }
+ else
+ {
+ targets += $(e) ;
+ }
+ }
+ else if [ MATCH "^(-[-ldjfsto])$" : $(e) ]
+ {
+ skip-next = true ;
+ }
+ }
+ return [ new vector
+ [ new vector $(targets) ]
+ [ new vector $(properties) ] ] ;
+}
+
+
+# Converts one element of command line build request specification into internal
+# form. Expects all the project files to already be loaded.
+#
+local rule convert-command-line-element ( e )
+{
+ local result ;
+ local parts = [ regex.split $(e) "/" ] ;
+ while $(parts)
+ {
+ local p = $(parts[1]) ;
+ local m = [ MATCH "([^=]*)=(.*)" : $(p) ] ;
+ local lresult ;
+ local feature ;
+ local values ;
+ if $(m)
+ {
+ feature = $(m[1]) ;
+ values = [ regex.split $(m[2]) "," ] ;
+ lresult = <$(feature)>$(values) ;
+ }
+ else
+ {
+ lresult = [ regex.split $(p) "," ] ;
+ }
+
+ if $(feature) && free in [ feature.attributes $(feature) ]
+ {
+ # If we have free feature, then the value is everything
+ # until the end of the command line token. Slashes in
+ # the following string are not taked to mean separation
+ # of properties. Commas are also not interpreted specially.
+ values = $(values:J=,) ;
+ values = $(values) $(parts[2-]) ;
+ values = $(values:J=/) ;
+ lresult = <$(feature)>$(values) ;
+ parts = ;
+ }
+
+ if ! [ MATCH (.*-.*) : $(p) ]
+ {
+ # property.validate cannot handle subfeatures, so we avoid the check
+ # here.
+ for local p in $(lresult)
+ {
+ property.validate $(p) : $(feature-space) ;
+ }
+ }
+
+ if ! $(result)
+ {
+ result = $(lresult) ;
+ }
+ else
+ {
+ result = $(result)/$(lresult) ;
+ }
+
+ parts = $(parts[2-]) ;
+ }
+
+ return $(result) ;
+}
+
+
+rule __test__ ( )
+{
+ import assert ;
+ import feature ;
+
+ feature.prepare-test build-request-test-temp ;
+
+ import build-request ;
+ import build-request : expand-no-defaults : build-request.expand-no-defaults ;
+ import errors : try catch ;
+ import feature : feature subfeature ;
+
+ feature toolset : gcc msvc borland : implicit ;
+ subfeature toolset gcc : version : 2.95.2 2.95.3 2.95.4
+ 3.0 3.0.1 3.0.2 : optional ;
+
+ feature variant : debug release : implicit composite ;
+ feature inlining : on off ;
+ feature "include" : : free ;
+
+ feature stdlib : native stlport : implicit ;
+
+ feature runtime-link : dynamic static : symmetric ;
+
+ # Empty build requests should expand to empty.
+ assert.result
+ : build-request.expand-no-defaults ;
+
+ assert.result
+ <toolset>gcc/<toolset-gcc:version>3.0.1/<stdlib>stlport/<variant>debug
+ <toolset>msvc/<stdlib>stlport/<variant>debug
+ <toolset>msvc/<variant>debug
+ : build-request.expand-no-defaults gcc-3.0.1/stlport msvc/stlport msvc debug ;
+
+ assert.result
+ <toolset>gcc/<toolset-gcc:version>3.0.1/<stdlib>stlport/<variant>debug
+ <toolset>msvc/<variant>debug
+ <variant>debug/<toolset>msvc/<stdlib>stlport
+ : build-request.expand-no-defaults gcc-3.0.1/stlport msvc debug msvc/stlport ;
+
+ assert.result
+ <toolset>gcc/<toolset-gcc:version>3.0.1/<stdlib>stlport/<variant>debug/<inlining>off
+ <toolset>gcc/<toolset-gcc:version>3.0.1/<stdlib>stlport/<variant>release/<inlining>off
+ : build-request.expand-no-defaults gcc-3.0.1/stlport debug release <inlining>off ;
+
+ assert.result
+ <include>a/b/c/<toolset>gcc/<toolset-gcc:version>3.0.1/<stdlib>stlport/<variant>debug/<include>x/y/z
+ <include>a/b/c/<toolset>msvc/<stdlib>stlport/<variant>debug/<include>x/y/z
+ <include>a/b/c/<toolset>msvc/<variant>debug/<include>x/y/z
+ : build-request.expand-no-defaults <include>a/b/c gcc-3.0.1/stlport msvc/stlport msvc debug <include>x/y/z ;
+
+ local r ;
+
+ r = [ build-request.from-command-line bjam debug runtime-link=dynamic ] ;
+ assert.equal [ $(r).get-at 1 ] : ;
+ assert.equal [ $(r).get-at 2 ] : debug <runtime-link>dynamic ;
+
+ try ;
+ {
+ build-request.from-command-line bjam gcc/debug runtime-link=dynamic/static ;
+ }
+ catch \"static\" is not a value of an implicit feature ;
+
+ r = [ build-request.from-command-line bjam -d2 --debug debug target runtime-link=dynamic ] ;
+ assert.equal [ $(r).get-at 1 ] : target ;
+ assert.equal [ $(r).get-at 2 ] : debug <runtime-link>dynamic ;
+
+ r = [ build-request.from-command-line bjam debug runtime-link=dynamic,static ] ;
+ assert.equal [ $(r).get-at 1 ] : ;
+ assert.equal [ $(r).get-at 2 ] : debug <runtime-link>dynamic <runtime-link>static ;
+
+ r = [ build-request.from-command-line bjam debug gcc/runtime-link=dynamic,static ] ;
+ assert.equal [ $(r).get-at 1 ] : ;
+ assert.equal [ $(r).get-at 2 ] : debug gcc/<runtime-link>dynamic
+ gcc/<runtime-link>static ;
+
+ r = [ build-request.from-command-line bjam msvc gcc,borland/runtime-link=static ] ;
+ assert.equal [ $(r).get-at 1 ] : ;
+ assert.equal [ $(r).get-at 2 ] : msvc gcc/<runtime-link>static
+ borland/<runtime-link>static ;
+
+ r = [ build-request.from-command-line bjam gcc-3.0 ] ;
+ assert.equal [ $(r).get-at 1 ] : ;
+ assert.equal [ $(r).get-at 2 ] : gcc-3.0 ;
+
+ feature.finish-test build-request-test-temp ;
+}