-FIND_PACKAGE(BISON REQUIRED)
-IF(BISON_FOUND)
- ADD_CUSTOM_COMMAND(
- OUTPUT parser.c
- DEPENDS parser.y
- COMMAND ${BISON_EXECUTABLE} parser.y
- COMMENT "Generating parser.c"
- )
-ENDIF()
-
-FIND_PACKAGE(FLEX REQUIRED)
-IF(FLEX_FOUND)
- ADD_CUSTOM_COMMAND(
- OUTPUT lexer.c
- DEPENDS lexer.l
- COMMAND ${FLEX_EXECUTABLE} lexer.l
- COMMENT "Generating lexer.c"
- )
-ENDIF()
-
-SET_PROPERTY(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "lexer.h;parser.h")
-SET_SOURCE_FILES_PROPERTIES("lexer.c;parser.c" PROPERTIES GENERATED TRUE)
-ADD_EXECUTABLE(jsonpath main.c lexer.c parser.c matcher.c)
+ADD_CUSTOM_COMMAND(
+ OUTPUT contrib/lemon
+ DEPENDS contrib/lemon.c contrib/lempar.c
+ COMMAND gcc -o contrib/lemon contrib/lemon.c
+ COMMENT "Generating lemon parser generator"
+)
+
+ADD_CUSTOM_COMMAND(
+ OUTPUT parser.c
+ DEPENDS parser.y contrib/lemon
+ COMMAND ./contrib/lemon parser.y
+ COMMENT "Generating parser.c"
+)
+
+SET_PROPERTY(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "lemon;parser.h;parser.out")
+SET_SOURCE_FILES_PROPERTIES("parser.c" PROPERTIES GENERATED TRUE)
+ADD_EXECUTABLE(jsonpath main.c ast.c lexer.c parser.c matcher.c)