def parse(files, user_options, symbol_table):
"""Parses the files using the symbol_table to determine what are atoms
files -- the files to be parsed
options -- the options specified by the user
symbol_table -- the symbol table defined by the tokenizer
"""
global options
options = user_options
global symbolTable
symbolTable = symbol_table
for fileName in files:
file_content = fileToString(fileName, options)
global inputStack
inputStack = shlexToList(tokenizer.parseWords(file_content))
try:
parseF()
except ParserException as e:
print "message: " + e.value
print file_content
printCharacterException(file_content, e.character)
print "file: " + fileName
if(optionParseAll not in options):
raise ParserException("Parsing not correct")
def printCharacterException(file_content, character):
"""
prints the location of the error in the file
"""
stack = shlexToList(tokenizer.parseWords(file_content))
stack.reverse()
stack.insert(character - 1, ">>>>>")
stack.insert(character + 1, "<<<<<")
file = " ".join(stack)
print file
def createTree(fileContent):
global stack
stack = shlexToList(tokenizer.parseWords(fileContent))
tok = stack.pop()
# sanity check, this should always be true at this point
if tok != "(":
raise CreateParseTreeException(stack)
root = createTreeHelper()
# stack should now be empty
if len(stack) != 1 and stack[0] != "$":
raise CreateParseTreeException("Stack not empty")
return root