WIP: CHG: Use pycparser as a git submodule

.gitmodules

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

src/C_TO_FSM.py

@@ -3,6 +3,11 @@
 import os
 
 import C_TO_LOGIC
+
+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(REPO_ABS_DIR() + '/submodule/pycparser')
 from pycparser import c_ast, c_generator
 
 # FSM funcs cant be main functions

src/C_TO_LOGIC.py

@@ -24,6 +24,10 @@
     # TODO fall back to clang tools?
     raise Exception("'cpp' C preprocessor is not installed!")
 
+# TODO: Temporarily import from submodule, remove this hack when we create a proper pipelinec setup.py
+sys.path.append(REPO_ABS_DIR() + '/submodule/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"

src/RAW_VHDL.py

@@ -5,7 +5,12 @@
 import C_TO_LOGIC
 import SW_LIB
 import VHDL
-from pycparser import c_ast, c_parser  # bleh for now
+
+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(REPO_ABS_DIR() + '/submodule/pycparser')
+from pycparser import c_ast
 
 
 # Declare variables used internally to c built in C logic

src/SW_LIB.py

@@ -8,6 +8,11 @@
 import C_TO_LOGIC
 import SYN
 import VHDL
+
+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(REPO_ABS_DIR() + '/submodule/pycparser')
 from pycparser import c_ast
 
 # Hey lets bootstrap for fun

src/VHDL.py

@@ -14,6 +14,11 @@
 import SYN
 import VERILATOR
 import VIVADO
+
+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(REPO_ABS_DIR() + '/submodule/pycparser')
 from pycparser import c_ast
 
 VHDL_FILE_EXT = ".vhd"