[geany/geany-plugins] b4ee42: Build the leg compiler and use it to generate markdown_parser.c during the build process

[Enrico Tröger]

Branch:      refs/heads/master
Author:      Enrico Tröger <enrico.troeger at uvena.de>
Committer:   Enrico Tröger <enrico.troeger at uvena.de>
Date:        Sun, 10 Mar 2013 10:40:30 UTC
Commit:      b4ee428472e18054b2cf26d6c2f1395c92f54325
             https://github.com/geany/geany-plugins/commit/b4ee428472e18054b2cf26d6c2f1395c92f54325

Log Message:
-----------
Build the leg compiler and use it to generate markdown_parser.c during the build process


Modified Paths:
--------------
    markdown/wscript_build

Modified: markdown/wscript_build
78 files changed, 63 insertions(+), 15 deletions(-)
===================================================================
@@ -20,9 +20,12 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-from build.wafutils import build_plugin
+from build.wafutils import build_plugin, target_is_win32
+from waflib.Task import Task
+from waflib.TaskGen import extension
 from waflib.Utils import subst_vars
 
+
 name = 'Markdown'
 includes = [ 'src' ]
 defines = [ subst_vars('MARKDOWN_DATA_DIR="${PKGDATADIR}/markdown"', bld.env),
@@ -33,6 +36,7 @@ sources = [ "src/conf.c",
             "src/plugin.c",
             "src/viewer.c" ]
 
+# sources for embedded peg-markdown library
 sources_peg_markdown = [ "peg-markdown/markdown_lib.c",
                          "peg-markdown/markdown_output.c",
                          "peg-markdown/markdown_parser.c",
@@ -40,25 +44,69 @@ sources_peg_markdown = [ "peg-markdown/markdown_lib.c",
                          "peg-markdown/parsing_functions.c",
                          "peg-markdown/utility_functions.c" ]
 
-# if we didn't find the Discount/libmarkdown library, use the embedded peg-markdown library
-if not bld.env['LIB_DISCOUNT']:
+# sources for peg utility
+sources_peg = [ "peg-markdown/peg-0.1.9/leg.c",
+                "peg-markdown/peg-0.1.9/compile.c",
+                "peg-markdown/peg-0.1.9/tree.c" ]
+
+
+def _build_peg_markdown():
+    class PegLeg(Task):
+        run_str = '${SRC[0].abspath()} -o ${TGT} ${SRC[1].abspath()}'
+        color   = 'PINK'
+
+    @extension('.leg')
+    def process_leg(self, node):
+        tg = self.bld.get_tgen_by_name('LEG')
+        leg = tg.link_task.outputs[0]
+        tsk = self.create_task('PegLeg', [leg, node], node.change_ext('.c'))
+        self.source.extend(tsk.outputs)
+
+    # build peg utility
+    bld.new_task_gen(
+        features        = ['c', 'cprogram'],
+        name            = 'LEG',
+        target          = 'leg',
+        source          = sources_peg,
+        includes        = ['markdown/peg-markdown/peg-0.1.9'],
+        install_path    = None)
+
+    # put all following tasks into a new group to get the build order right
+    bld.add_group()
+
+    # generate markdown_parser.c
+    bld.new_task_gen(
+        features        = ['c'],
+        use             = libraries,
+        target          = 'markdown_parser.c',
+        source          = 'peg-markdown/markdown_parser.leg')
+
     # tell the code about what we want
     defines.append('FULL_PRICE=1')
-    # add peg-markdown
     includes.append('peg-markdown')
     sources.extend(sources_peg_markdown)
 
 
-build_plugin(bld, name, sources=sources, includes=includes, libraries=libraries, defines=defines)
+def _build_plugin():
+    build_plugin(bld, name, sources=sources, includes=includes, libraries=libraries, defines=defines)
+
 
-# install docs
-helpfiles = [ 'docs/help.html',
-              'docs/plugin.png',
-              'docs/plugin_mgr.png',
-              'docs/plugin_prefs.png',
-              'docs/plugin_small.png',
-              'docs/set_filetype.png',
-              'docs/settings.png' ]
+def _install_docs():
+    # install docs
+    helpfiles = [ 'docs/help.html',
+                  'docs/plugin.png',
+                  'docs/plugin_mgr.png',
+                  'docs/plugin_prefs.png',
+                  'docs/plugin_small.png',
+                  'docs/set_filetype.png',
+                  'docs/settings.png' ]
+    docdir = '${G_PREFIX}/doc/plugins' if target_is_win32(bld) else '${DOCDIR}'
+    bld.install_files('%s/markdown/html' % docdir, helpfiles)
 
-docdir = '${G_PREFIX}/doc/plugins' if target_is_win32(bld) else '${DOCDIR}'
-bld.install_files('%s/markdown/html' % docdir, helpfiles)
+
+
+# if we didn't find the Discount/libmarkdown library, build and use the embedded peg-markdown library
+if not bld.env['LIB_DISCOUNT']:
+    _build_peg_markdown()
+_build_plugin()
+_install_docs()



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