CHG: Use pycparser as a git submodule

Author: AlexLao512

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "submodule/pycparser"]
+	path = submodule/pycparser
+	url = https://github.com/eliben/pycparser

src/C_TO_FSM.py

@@ -2,6 +2,9 @@
 import sys
 
 import C_TO_LOGIC
+
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append('../submodule/pycparser/pycparser')
 from pycparser import c_ast, c_generator
 
 # FSM funcs cant be main functions

src/C_TO_LOGIC.py

@@ -16,9 +16,13 @@
 import SW_LIB
 import SYN
 import VHDL
-from pycparser import c_ast, c_parser
+
 from utilities import REPO_ABS_DIR
 
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append('../submodule/pycparser/pycparser')
+from pycparser import c_ast, c_parser
+
 # Global default constants for inferring different VHDL implementations of operators
 MULT_STYLE_INFERRED = "infer"
 MULT_STYLE_FABRIC = "fabric"
@@ -98,7 +102,10 @@ def GET_CPP_INCLUDES_LIST():  # -> list[str]: needs typing library?
                     path_list += ["-I" + thing_path]
     # Also include src files in git root dir
     dir_path = REPO_ABS_DIR()
+
+    # TODO: Temporarily include both paths to avoid breakage while still refactoring
     path_list += ["-I" + dir_path + "/"]
+    path_list += ["-I" + dir_path + "/pipelinec/include/"]
 
     # For now global __PIPELINEC__ define lives here
     path_list += ["-D__PIPELINEC__"]

src/RAW_VHDL.py

@@ -5,7 +5,10 @@
 import C_TO_LOGIC
 import SW_LIB
 import VHDL
-from pycparser import c_ast, c_parser  # bleh for now
+
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append('../submodule/pycparser/pycparser')
+from pycparser import c_ast
 
 
 # Declare variables used internally to c built in C logic

src/SW_LIB.py

@@ -8,6 +8,9 @@
 import C_TO_LOGIC
 import SYN
 import VHDL
+
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append('../submodule/pycparser/pycparser')
 from pycparser import c_ast
 
 # Hey lets bootstrap for fun

src/VHDL.py

@@ -13,6 +13,9 @@
 import SYN
 import VERILATOR
 import VIVADO
+
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append('../submodule/pycparser/pycparser')
 from pycparser import c_ast
 
 VHDL_FILE_EXT = ".vhd"