diff options
author | rahulp13 | 2020-03-17 14:55:41 +0530 |
---|---|---|
committer | rahulp13 | 2020-03-17 14:55:41 +0530 |
commit | 296443137f4288cb030e92859ccfbe3204bc1088 (patch) | |
tree | ca4798c2da1e7244edc3bc108d81b462b537aea2 /lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py | |
parent | 0db48f6533517ecebfd9f0693f89deca28408b76 (diff) | |
download | KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.tar.gz KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.tar.bz2 KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.zip |
initial commit
Diffstat (limited to 'lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py')
-rw-r--r-- | lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py b/lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py new file mode 100644 index 0000000..bb6c819 --- /dev/null +++ b/lib/python2.7/site-packages/wx-3.0-msw/wx/py/parse.py @@ -0,0 +1,128 @@ +"""parse.py is a utility that allows simple checking for line continuations +to give the shell information about where text is commented and where it is +not and also how to appropriately break up a sequence of commands into +separate multi-line commands... +""" + +__author__ = "David N. Mashburn <david.n.mashburn@gmail.com>" +# created 12/20/2009 + +import re + +# change this to testForContinuations + +def testForContinuations(codeBlock,ignoreErrors=False): + """ Test 4 different types of continuations:""" + \ + """ String Continuations (ie with ''')""" + \ + """ Indentation Block Continuations (ie "if 1:" )""" + \ + """ Line Continuations (ie with \\ character )""" + \ + """ Parenthetical continuations (, [, or {""" + + stringMark = None + paraList = [] + indentNumber=[0] + + stringMarks = ['"""',"'''",'"',"'"] + openMarks = ['(','[','{'] + closeMarks = [')',']','}'] + paraMarkDict = { '(':')', '[':']', '{':'}' } + + stringContinuationList=[] + lineContinuationList=[] # For \ continuations ... False because cannot start as line Continuation... + indentationBlockList=[] + parentheticalContinuationList=[] + newIndent=False + lspContinuation=False + for i,l in enumerate(codeBlock.split('\n')): + currentIndentation = len(l)-len(l.lstrip()) + + if i>0: + lspContinuation = lineContinuationList[-1] or \ + stringContinuationList[-1] or \ + parentheticalContinuationList[-1] + # first, check for non-executing lines (whitespace and/or comments only) + if l.lstrip()=='': + emptyLine=True + elif l.strip()[0]=='#': + emptyLine=True + else: # otherwise, check the indentation... + emptyLine=False + if newIndent and currentIndentation>indentNumber[-1]: + newIndent=False + indentNumber.append(currentIndentation) + elif lspContinuation: + pass + elif not newIndent and currentIndentation in indentNumber: + while currentIndentation<indentNumber[-1]: + indentNumber.pop() # This is the end of an indentation block + elif not ignoreErrors: + #print 'Invalid Indentation!!' + return ['Invalid Indentation Error',i] + + firstWord = re.match(' *\w*',l).group().lstrip() + if firstWord in ['if','else','elif','for','while', + 'def','class','try','except','finally']: + hasContinuationWord = True + else: + hasContinuationWord = False + + + commented=False + nonCommentLength=len(l) + + result = re.finditer('"""'+'|'+"'''" + r'''|"|'|\"|\'|\(|\)|\[|\]|\{|\}|#''',l) + for r in result: + j = r.group() + + if stringMark == None: + if j=='#': # If it is a legitimate comment, ignore everything after + commented=True + # get length up to last non-comment character + nonCommentLength = r.start() + break + elif j in stringMarks: + stringMark=j + else: + if paraList != [] and j in closeMarks: + if paraMarkDict[paraList[-1]]==j: + paraList.pop() + elif not ignoreErrors: + #print 'Invalid Syntax!!' + return ['Invalid Syntax Error',i] + if j in openMarks: + paraList.append(j) + elif stringMark==j: + stringMark=None + + stringContinuationList.append(stringMark!=None) + + indentationBlockList.append(False) + nonCommentString = l[:nonCommentLength].rstrip() + if nonCommentString!='' and stringContinuationList[-1]==False: + if nonCommentString[-1]==':': + indentationBlockList[-1]=True + newIndent=True + + lineContinuationList.append(False) + if len(l)>0 and not commented: + if l[-1]=='\\': + lineContinuationList[-1]=True + + parentheticalContinuationList.append( paraList != [] ) + + # Now stringContinuationList (et al) is line by line key for magic + # telling it whether or not each next line is part of a string continuation + + if (stringContinuationList[-1] or indentationBlockList[-1] or \ + lineContinuationList[-1] or parentheticalContinuationList[-1]) \ + and not ignoreErrors: + #print 'Incomplete Syntax!!' + return ['Incomplete Syntax Error',i] + + if newIndent and not ignoreErrors: + #print 'Incomplete Indentation!' + return ['Incomplete Indentation Error',i] + + # Note that if one of these errors above gets thrown, the best solution is to pass the resulting block + # to the interpreter as exec instead of interp + return stringContinuationList,indentationBlockList,lineContinuationList,parentheticalContinuationList |