1 files changed, 79 insertions, 0 deletions
diff --git a/ninja.m4 b/ninja.m4
new file mode 100644
index 0000000..62f3aa2
--- /dev/null
+++ b/ninja.m4
@@ -0,0 +1,79 @@
+divert(-1)
+changequote([,])
+divert(0)
+
+# rules
+
+cflags = -Wall -Wextra -g -I.
+bin    = bin
+leak   = valgrind -s --leak-check=full --show-leak-kinds=all
+
+rule cc
+  depfile = $out.d
+  command = gcc -MD -MF $out.d $cflags $in -o $out
+rule shared
+  depfile = $out.d
+  command = gcc -MD -MF $out.d $cflags -shared -fPIC $in -o $out
+rule m4
+  command = m4 $m4flags $in > $out
+
+build $bin/generate-parser: cc demos/generate-parser.c
+  cflags = $cflags -rdynamic
+rule parser_gen
+  command = $leak $bin/generate-parser -o $$(echo $out | cut -f1 -d'.') -t $tabletype $in
+
+define([gbuild], [ifelse(
+[$1], [from-gram], [
+build $bin/$2-gram.c: gram_parse $3/$2.g | $bin/gram-parser
+build $bin/$2-gram.so: shared $bin/$2-gram.c],
+
+[$1], [from-defs], [
+build $bin/$2-gram.so: shared $3/$2-defs.c])
+
+build $bin/$2.c $bin/$2.h: parser_gen $bin/$2-gram.so | $bin/generate-parser tables
+  tabletype = lalr-table
+build $bin/$2-parser: cc $3/$2-skeleton.c $5 | $bin/$2.c $bin/$2.h
+build $2: phony $bin/$2-parser
+])
+
+# building tools
+
+build $bin/slr-table.so:  shared slr-table.c
+build $bin/clr-table.so:  shared clr-table.c
+build $bin/lalr-table.so: shared clr-table.c
+  cflags = $cflags -D_LAZY_LALR
+build tables: phony $bin/slr-table.so $bin/clr-table.so $bin/lalr-table.so
+
+gbuild(from-defs, gram, demos/sample-files, lalr-table)
+rule gram_parse
+  command = $leak $bin/gram-parser < $in > $out
+
+# build actual
+
+gbuild(from-gram, lbp, demos/sample-files, lalr-table, util/dict.c)
+rule lbp_parse
+  command = $leak $bin/lbp-parser < $in
+build lbp_test: lbp_parse demos/sample-files/lbp-code.lbp | lbp
+
+gbuild(from-gram, calc, demos/sample-files, lalr-table) # skeleton doesn't work
+rule calc_parse
+  command = $leak $bin/calc-parser 5+3
+build calc_test: calc_parse | calc
+
+# targets
+
+rule ninja_clean
+  command = ninja -t clean
+build clean: ninja_clean
+
+default lbp_test
+
+# regeneration
+
+rule regen
+  command = m4 ninja.m4 > build.ninja
+  generator = 1
+  description = Regen build.ninja
+
+build build.ninja: regen ninja.m4
+build configure:   regen