Squashed 'libs/EXTERNAL/libblifparse/' changes from 4bbe247..dcd0f72

dcd0f72 Add tests. Run with 'make && make test'
799f2ee Allow blank .attr and .param values when parsing EBLIF

git-subtree-dir: libs/EXTERNAL/libblifparse
git-subtree-split: dcd0f729fe44489c11a9ff4a62f33cc5b76482ca

Author: kmurray

CMakeLists.txt

@@ -49,4 +49,11 @@ set_target_properties(libblifparse PROPERTIES PREFIX "") #Avoid extra 'lib' pref
 add_executable(blifparse_test src/main.cpp)
 target_link_libraries(blifparse_test libblifparse)
 
+if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
+    #Add the tests if we are the root project
+    enable_testing()
+    add_test(NAME test_parse_blif
+             COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/test/test_parser.sh ${CMAKE_CURRENT_SOURCE_DIR}/test/*/*.blif ${CMAKE_CURRENT_SOURCE_DIR}/test/*/*.eblif)
+endif()
+
 install(TARGETS libblifparse blifparse_test DESTINATION bin)

src/blif_parser.y

@@ -248,7 +248,9 @@ string_list: /*empty*/ { $$ = std::vector<std::string>(); }
 conn: DOT_CONN STRING STRING { $$ = Conn(); $$.src = $2; $$.dst = $3; }
 cname: DOT_CNAME STRING { $$ = Cname(); $$.name = $2; }
 attr: DOT_ATTR STRING STRING { $$ = Attr(); $$.name = $2; $$.value = $3; }
+    | DOT_ATTR STRING { $$ = Attr(); $$.name = $2; $$.value = ""; }
 param: DOT_PARAM STRING STRING { $$ = Param(); $$.name = $2; $$.value = $3; }
+    | DOT_PARAM STRING { $$ = Param(); $$.name = $2; $$.value = ""; }
 
 %%