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PropCCompiler.py
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PropCCompiler.py
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__author__ = 'Michel'
import platform
import os
import json
import subprocess
import re
from tempfile import NamedTemporaryFile
class PropCCompiler:
def __init__(self, propellerLoader):
self.propeller_loader = propellerLoader
self.compiler_executables = {
"Windows": "propeller-elf-gcc",
"Linux": "propeller-elf-gcc",
"MacOS": "propeller-elf-gcc",
"Darwin": "propeller-elf-gcc"
}
self.compile_actions = {
"COMPILE": {"compile-options": [], "extension":".elf", "call-loader": False},
"RAM": {"compile-options": [], "extension":".elf", "call-loader": True},
"EEPROM": {"compile-options": [], "extension":".elf", "call-loader": True}
}
if not platform.system() in self.compiler_executables:
#showerror("Unsupported", platform.system() + " is currently unsupported")
print("Unsupported", platform.system() + " is currently unsupported")
exit(1)
self.appdir = os.getcwd()
def handle(self, action, code, com_port):
result = {}
compile_success, binary_file, compile_output, compile_err = self.compile(action, code)
print(compile_err)
if compile_err is None or len(compile_err) == 0:
out = "Compile successful\n"
else:
out = compile_err
success = compile_success
result["compile-success"] = compile_success
if self.compile_actions[action]["call-loader"] and success:
load_success, load_output, load_err = self.propeller_loader.load(action, binary_file, com_port)
out += "\n" + load_output
success = success and load_success
result["load-success"] = load_success
try:
os.remove(binary_file.name)
except WindowsError:
print("Binary does not exist")
result["success"] = success
result["message"] = out
return result
def compile(self, action, code):
c_file = NamedTemporaryFile(mode='w', suffix='.c', delete=False)
binary_file = NamedTemporaryFile(suffix=self.compile_actions[action]["extension"], delete=False)
c_file.write(code)
c_file.close()
binary_file.close()
includes = self.parse_includes(c_file) # parse includes
descriptors = self.get_includes(includes) # get lib descriptors for includes
executing_data = self.create_executing_data(c_file, binary_file, descriptors) # build execution command
if platform.system() == "Windows":
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
process = subprocess.Popen(executing_data, stdout=subprocess.PIPE, stderr=subprocess.PIPE, startupinfo=startupinfo) # call compile
else:
process = subprocess.Popen(executing_data, stdout=subprocess.PIPE, stderr=subprocess.PIPE) # call compile
out, err = process.communicate()
if process.returncode == 0:
success = True
else:
success = False
os.remove(c_file.name)
return (success, binary_file, out, err)
def get_includes(self, includes):
global lib_descriptor
global user_defined_libraries
try:
lib_descriptor = json.load(open(os.getcwd() + "/lib-descriptor.json"))
user_defined_libraries = 1
except:
lib_descriptor = json.load(open(os.getcwd() + "/propeller-c-lib/lib-descriptor.json" ))
user_defined_libraries = 0
descriptors = []
for include in includes:
for descriptor in lib_descriptor:
if include in descriptor['include']:
descriptors.append(descriptor)
return descriptors
def parse_includes(self, c_file):
includes = set()
f = open(c_file.name)
for line in f:
if '#include' in line:
match = re.match(r'^#include "(\w+).h"', line)
if match:
includes.add(match.group(1))
return includes
def create_executing_data(self, c_file, binary_file, descriptors):
global user_defined_libraries
executable = self.compiler_executables[platform.system()]
if user_defined_libraries == 1:
lib_directory = ""
else:
lib_directory = self.appdir + "/propeller-c-lib/"
executing_data = [executable]
for descriptor in descriptors:
executing_data.append("-I")
executing_data.append(lib_directory + descriptor["libdir"])
executing_data.append("-L")
executing_data.append(lib_directory + descriptor["memorymodel"]["cmm"])
executing_data.append("-Os")
executing_data.append("-mcmm")
executing_data.append("-m32bit-doubles")
executing_data.append("-std=c99")
executing_data.append("-o")
executing_data.append(binary_file.name)
executing_data.append(c_file.name)
executing_data.append("-lm")
while len(descriptors) > 0:
for descriptor in descriptors:
executing_data.append("-l" + descriptor["name"])
executing_data.append("-lm")
del descriptors[-1]
return executing_data
try:
lib_descriptor = json.load(open(os.getcwd() + "/lib-descriptor.json"))
user_defined_libraries = 1
except:
lib_descriptor = json.load(open(os.getcwd() + "/propeller-c-lib/lib-descriptor.json"))
user_defined_libraries = 0