diff options
Diffstat (limited to 'webapps/qooxdoo-0.6.3-sdk/frontend/framework/tool/modules/treegenerator.py')
| -rwxr-xr-x | webapps/qooxdoo-0.6.3-sdk/frontend/framework/tool/modules/treegenerator.py | 1021 |
1 files changed, 0 insertions, 1021 deletions
diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/tool/modules/treegenerator.py b/webapps/qooxdoo-0.6.3-sdk/frontend/framework/tool/modules/treegenerator.py deleted file mode 100755 index d473520e80..0000000000 --- a/webapps/qooxdoo-0.6.3-sdk/frontend/framework/tool/modules/treegenerator.py +++ /dev/null @@ -1,1021 +0,0 @@ -#!/usr/bin/env python - -import sys, optparse -import tokenizer, tree, filetool, variableoptimizer - - -SINGLE_LEFT_OPERATORS = [ "NOT", "BITNOT", "ADD", "SUB", "INC", "DEC" ] - -SINGLE_RIGHT_OPERATORS = [ "INC", "DEC" ] - -MULTI_TOKEN_OPERATORS = [ "HOOK", "ADD", "SUB", "MUL", "DIV", "MOD", \ - "LT", "LE", "GT", "GE", "EQ", "NE", "SHEQ", "SHNE", \ - "AND", "OR", "BITOR", "BITXOR", "BITAND", "POWEROF", \ - "LSH", "RSH", "URSH" ] - -MULTI_PROTECTED_OPERATORS = [ "INSTANCEOF", "IN" ] - -ASSIGN_OPERATORS = [ "ASSIGN", "ASSIGN_ADD", "ASSIGN_SUB", "ASSIGN_MUL", \ - "ASSIGN_DIV", "ASSIGN_MOD", "ASSIGN_BITOR", "ASSIGN_BITXOR", "ASSIGN_BITAND", \ - "ASSIGN_LSH", "ASSIGN_RSH", "ASSIGN_URSH" ] - -LOOP_KEYWORDS = [ "WHILE", "IF", "FOR", "WITH" ] - - -class TokenStream: - def __init__ (self, tokens): - self.tokens = tokens - self.commentsBefore = None - self.parsepos = -1 - self.eolBefore = False - - def curr (self): - """Returns the current token.""" - return self.tokens[self.parsepos] - - def currType (self): - return self.curr()["type"] - - def currDetail (self): - return self.curr()["detail"] - - def currSource (self): - return self.curr()["source"] - - def currLine (self): - return self.curr()["line"] - - def currColumn (self): - return self.curr()["column"] - - def currMultiline (self): - return self.curr()["multiline"] - - def currConnection (self): - return self.curr()["connection"] - - def currIsType (self, tokenType, tokenDetail = None): - if self.currType() != tokenType: - return False - else: - if tokenDetail == None: - return True - elif type(tokenDetail) == list: - return self.currDetail() in tokenDetail - else: - return self.currDetail() == tokenDetail - - def expectCurrType (self, tokenType, tokenDetail = None): - if not self.currIsType(tokenType, tokenDetail): - expectedDesc = tokenType - if type(tokenDetail) == str: - expectedDesc += "/" + tokenDetail - raiseSyntaxException(self.curr(), expectedDesc) - - def finished (self): - # NOTE: the last token is end of file - return self.parsepos >= len(self.tokens) - 1 - - def next (self, item=None, after=False): - length = len(self.tokens) - self.eolBefore = False - self.breakBefore = False - - token = None - while self.parsepos < length - 1: - self.parsepos += 1 - - token = self.tokens[self.parsepos] - - if token["type"] == "eol": - if self.eolBefore: - self.breakBefore = True - - self.eolBefore = True - # ignore end of line - pass - - elif token["type"] == "comment": - # After current item - if token["connection"] == "after": - if not token.has_key("inserted") or not token["inserted"]: - if item: - commentNode = tree.Node("comment") - commentNode.set("line", token["line"]) - commentNode.set("column", token["column"]) - commentNode.set("text", token["source"]) - commentNode.set("detail", token["detail"]) - commentNode.set("multiline", token["multiline"]) - commentNode.set("connection", token["connection"]) - commentNode.set("begin", token["begin"]) - commentNode.set("end", token["end"]) - - if after: - item.addListChild("commentsAfter", commentNode) - else: - item.addChild(commentNode) - - self.eolBefore = False - self.breakBefore = False - - else: - print "Found unresolved after comment in line %s, column %s" % (token["line"], token["column"]) - print token["source"] - pass - - # Documentation and Block comments of next item - else: - if not self.commentsBefore: - self.commentsBefore = [] - - commentNode = tree.Node("comment") - commentNode.set("line", token["line"]) - commentNode.set("column", token["column"]) - commentNode.set("text", token["source"]) - commentNode.set("detail", token["detail"]) - commentNode.set("multiline", token["multiline"]) - commentNode.set("connection", token["connection"]) - commentNode.set("begin", token["begin"]) - commentNode.set("end", token["end"]) - - self.commentsBefore.append(commentNode) - - self.eolBefore = False - self.breakBefore = False - - else: - break - - #print "next token: " + str(token) - - if token == None: - # return end of file token - return self.tokens[length - 1] - else: - return token - - # alternative to use, when we want to check if the next token - # is a comment, but are not able to use next() because if there is - # no comment we want to leave in our position - def comment (self, item, after=False): - length = len(self.tokens) - - token = None - pos = self.parsepos - - while pos < length - 1: - pos += 1 - token = self.tokens[pos] - - if token["type"] == "comment" and token["connection"] == "after" and (not token.has_key("inserted") or not token["inserted"]): - commentNode = tree.Node("comment") - commentNode.set("line", token["line"]) - commentNode.set("column", token["column"]) - commentNode.set("text", token["source"]) - commentNode.set("detail", token["detail"]) - commentNode.set("multiline", token["multiline"]) - commentNode.set("connection", token["connection"]) - commentNode.set("begin", token["begin"]) - commentNode.set("end", token["end"]) - - token["inserted"] = True - - if after: - item.addListChild("commentsAfter", commentNode) - else: - item.addChild(commentNode) - - else: - break - - def hadEolBefore(self): - return self.eolBefore - - def hadBreakBefore(self): - return self.breakBefore - - def clearCommentsBefore(self): - commentsBefore = self.commentsBefore - self.commentsBefore = None - return commentsBefore - - - -class SyntaxException (Exception): - pass - - - -def createItemNode(type, stream): - # print "CREATE %s" % type - - node = tree.Node(type) - node.set("line", stream.currLine()) - node.set("column", stream.currColumn()) - - commentsBefore = stream.clearCommentsBefore() - if commentsBefore: - for comment in commentsBefore: - node.addListChild("commentsBefore", comment) - - return node - - - -def raiseSyntaxException (token, expectedDesc = None): - if expectedDesc: - msg = "Expected " + expectedDesc + " but found " - else: - msg = "Unexpected " - - msg += token["type"] - - if token["detail"]: - msg += "/" + token["detail"] - - msg += ": '" + token["source"] + "'. file:" + \ - token["id"] + ", line:" + str(token["line"]) + \ - ", column:" + str(token["column"]) - - raise SyntaxException(msg) - - - -def createSyntaxTree (tokenArr): - """Creates a syntax tree from a token stream. - - tokens: the token stream.""" - - stream = TokenStream(tokenArr) - stream.next() - - rootBlock = tree.Node("file") - rootBlock.set("file", stream.curr()["id"]) - - while not stream.finished(): - rootBlock.addChild(readStatement(stream)) - - return rootBlock - - - -def readExpression (stream): - return readStatement(stream, True) - - - -def readStatement (stream, expressionMode = False, overrunSemicolon = True, inStatementList = False): - item = None - - eolBefore = stream.hadEolBefore() - breakBefore = stream.hadBreakBefore() - - # print "PROGRESS: %s - %s (%s) [expr=%s]" % (stream.currType(), stream.currDetail(), stream.currLine(), expressionMode) - - if currIsIdentifier(stream, True): - # statement starts with an identifier - variable = readVariable(stream, True) - variable = readObjectOperation(stream, variable) - - if stream.currIsType("token", ASSIGN_OPERATORS): - # This is an assignment - item = createItemNode("assignment", stream) - item.set("operator", stream.currDetail()) - stream.next(item) - - item.addListChild("left", variable) - item.addListChild("right", readExpression(stream)) - elif stream.currIsType("token", "COLON") and not expressionMode: - # This is a label - item = variable - item.type = "label" - stream.next(variable) - else: - # Something else comes after the variable -> It's a sole variable - item = variable - - # Any comments found for the variable belong to the extracted item - commentsChild = variable.getChild("commentsBefore", False) - if item and commentsChild != None: - variable.removeChild(commentsChild) - item.addChild(commentsChild, 0) - elif stream.currIsType("protected", "FUNCTION"): - item = createItemNode("function", stream) - stream.next(item) - - # Read optional function name - if stream.currIsType("name"): - item.set("name", stream.currSource()) - stream.next(item) - - readParamList(item, stream) - item.addListChild("body", readBlock(stream)) - - # Check for direct execution: function() {}() - if stream.currIsType("token", "LP"): - # The function is executed directly - functionItem = item - item = createItemNode("call", stream) - item.addListChild("operand", functionItem) - readParamList(item, stream) - item = readObjectOperation(stream, item) - elif stream.currIsType("protected", "VOID"): - stream.next(item) - item = createItemNode("void", stream) - stream.next(item) - item.addChild(readStatement(stream, expressionMode)) - stream.expectCurrType("token", "RP") - stream.next(item, True) - item = readObjectOperation(stream, item) - elif stream.currIsType("token", "LP"): - igroup = createItemNode("group", stream) - stream.next(igroup) - igroup.addChild(readStatement(stream, expressionMode)) - stream.expectCurrType("token", "RP") - stream.next(igroup, True) - oper = readObjectOperation(stream, igroup) - - # supports e.g. (this.editor.object || this.editor.iframe).style.marginTop = null; - if stream.currIsType("token", ASSIGN_OPERATORS): - # This is an assignment - item = createItemNode("assignment", stream) - item.set("operator", stream.currDetail()) - stream.next(item) - - item.addListChild("left", oper) - item.addListChild("right", readExpression(stream)) - else: - # Something else comes after the variable -> It's a sole variable - item = oper - - elif stream.currIsType("string"): - item = createItemNode("constant", stream) - item.set("constantType", "string") - item.set("value", stream.currSource()) - item.set("detail", stream.currDetail()) - stream.next(item, True) - # This is a member accessor (E.g. "bla.blubb") - item = readObjectOperation(stream, item) - elif stream.currIsType("number"): - item = createItemNode("constant", stream) - item.set("constantType", "number") - item.set("value", stream.currSource()) - item.set("detail", stream.currDetail()) - stream.next(item, True) - # This is a member accessor (E.g. "bla.blubb") - item = readObjectOperation(stream, item) - elif stream.currIsType("regexp"): - item = createItemNode("constant", stream) - item.set("constantType", "regexp") - item.set("value", stream.currSource()) - stream.next(item, True) - # This is a member accessor (E.g. "bla.blubb") - item = readObjectOperation(stream, item) - elif expressionMode and (stream.currIsType("protected", "TRUE") or stream.currIsType("protected", "FALSE")): - item = createItemNode("constant", stream) - item.set("constantType", "boolean") - item.set("value", stream.currSource()) - stream.next(item, True) - elif expressionMode and stream.currIsType("protected", "NULL"): - item = createItemNode("constant", stream) - item.set("constantType", "null") - item.set("value", stream.currSource()) - stream.next(item, True) - elif expressionMode and stream.currIsType("token", "LC"): - item = readMap(stream) - elif expressionMode and stream.currIsType("token", "LB"): - item = readArray(stream) - elif stream.currIsType("token", SINGLE_LEFT_OPERATORS): - item = createItemNode("operation", stream) - item.set("operator", stream.currDetail()) - item.set("left", True) - stream.next(item) - item.addListChild("first", readExpression(stream)) - elif stream.currIsType("protected", "TYPEOF"): - item = createItemNode("operation", stream) - item.set("operator", "TYPEOF") - item.set("left", True) - stream.next(item) - item.addListChild("first", readExpression(stream)) - elif stream.currIsType("protected", "NEW"): - item = readInstantiation(stream) - item = readObjectOperation(stream, item) - elif not expressionMode and stream.currIsType("protected", "VAR"): - item = createItemNode("definitionList", stream) - stream.next(item) - finished = False - while not finished: - if not currIsIdentifier(stream, False): - raiseSyntaxException(stream.curr(), "identifier") - - childitem = createItemNode("definition", stream) - childitem.set("identifier", stream.currSource()) - stream.next(childitem) - if stream.currIsType("token", "ASSIGN"): - assign = createItemNode("assignment", stream) - childitem.addChild(assign) - stream.next(assign) - assign.addChild(readExpression(stream)) - - item.addChild(childitem) - - # Check whether anothe definition follows, e.g. "var a, b=1, c=4" - if stream.currIsType("token", "COMMA"): - stream.next(item) - else: - finished = True - - stream.comment(item, True) - - elif not expressionMode and stream.currIsType("protected", LOOP_KEYWORDS): - item = readLoop(stream) - elif not expressionMode and stream.currIsType("protected", "DO"): - item = readDoWhile(stream) - elif not expressionMode and stream.currIsType("protected", "SWITCH"): - item = readSwitch(stream) - elif not expressionMode and stream.currIsType("protected", "TRY"): - item = readTryCatch(stream) - elif not expressionMode and stream.currIsType("token", "LC"): - item = readBlock(stream) - elif not expressionMode and stream.currIsType("protected", "RETURN"): - item = createItemNode("return", stream) - stream.next(item) - # NOTE: The expression after the return keyword is optional - if not stream.currIsType("token", "SEMICOLON") and not stream.currIsType("token", "RC"): - item.addListChild("expression", readExpression(stream)) - stream.comment(item, True) - elif not expressionMode and stream.currIsType("protected", "THROW"): - item = createItemNode("throw", stream) - stream.next(item) - item.addListChild("expression", readExpression(stream)) - stream.comment(item, True) - elif not expressionMode and stream.currIsType("protected", "DELETE"): - item = createItemNode("delete", stream) - stream.next(item) - item.addListChild("expression", readExpression(stream)) - stream.comment(item, True) - elif not expressionMode and stream.currIsType("protected", "BREAK"): - item = createItemNode("break", stream) - stream.next(item) - # NOTE: The label after the break keyword is optional - if not stream.hadEolBefore() and stream.currIsType("name"): - item.set("label", stream.currSource()) - # As the label is an attribute, we need to put following comments into after - # to differenciate between comments before and after the label - stream.next(item, True) - elif not expressionMode and stream.currIsType("protected", "CONTINUE"): - item = createItemNode("continue", stream) - stream.next(item) - # NOTE: The label after the continue keyword is optional - if not stream.hadEolBefore() and stream.currIsType("name"): - item.set("label", stream.currSource()) - stream.next(item, True) - - if not item: - if stream.currIsType("token", "SEMICOLON") and not expressionMode: - # This is an empty statement - item = createItemNode("emptyStatement", stream) - stream.next(item) - else: - if expressionMode: - expectedDesc = "expression" - else: - expectedDesc = "statement" - raiseSyntaxException(stream.curr(), expectedDesc) - - # check whether this is an operation - if stream.currIsType("token", MULTI_TOKEN_OPERATORS) or stream.currIsType("protected", MULTI_PROTECTED_OPERATORS) or (stream.currIsType("token", SINGLE_RIGHT_OPERATORS) and not stream.hadEolBefore()): - # its an operation -> We've already parsed the first operand (in item) - parsedItem = item - - oper = stream.currDetail() - - item = createItemNode("operation", stream) - item.addListChild("first", parsedItem) - item.set("operator", oper) - stream.next(item) - - if oper in MULTI_TOKEN_OPERATORS or oper in MULTI_PROTECTED_OPERATORS: - # It's a multi operator -> There must be a second argument - item.addListChild("second", readExpression(stream)) - if oper == "HOOK": - # It's a "? :" operation -> There must be a third argument - stream.expectCurrType("token", "COLON") - stream.next(item) - item.addListChild("third", readExpression(stream)) - - # Deep scan on single right operators e.g. if(i-- > 4) - if oper in SINGLE_RIGHT_OPERATORS and stream.currIsType("token", MULTI_TOKEN_OPERATORS) and expressionMode: - paroper = stream.currDetail() - - paritem = createItemNode("operation", stream) - paritem.addListChild("first", item) - paritem.set("operator", paroper) - stream.next(item) - - if paroper in MULTI_TOKEN_OPERATORS or paroper in MULTI_PROTECTED_OPERATORS: - # It's a multi operator -> There must be a second argument - paritem.addListChild("second", readExpression(stream)) - if paroper == "HOOK": - # It's a "? :" operation -> There must be a third argument - stream.expectCurrType("token", "COLON") - stream.next(item) - paritem.addListChild("third", readExpression(stream)) - - # return parent item - item = paritem - - - - # check whether this is a combined statement, e.g. "bla(), i++" - if not expressionMode and not inStatementList and stream.currIsType("token", "COMMA"): - statementList = createItemNode("statementList", stream) - statementList.addChild(item) - while stream.currIsType("token", "COMMA"): - stream.next(statementList) - statementList.addChild(readStatement(stream, False, False, True)) - item = statementList - - # go over the optional semicolon - if not expressionMode and overrunSemicolon and stream.currIsType("token", "SEMICOLON"): - stream.next(item, True) - - - item.set("eolBefore", eolBefore) - item.set("breakBefore", breakBefore) - - return item - - - -def currIsIdentifier (stream, allowThis): - det = stream.currDetail() - return stream.currIsType("name") or stream.currIsType("builtin") \ - or (stream.currIsType("protected") and \ - (det == "INFINITY" or det == "PROTOTYPE" or det == "CALL" or \ - det == "APPLY" or (allowThis and det == "THIS"))) - - - -def readVariable (stream, allowArrays): - # Note: keywords may be used as identifiers, too - item = createItemNode("variable", stream) - - done = False - firstIdentifier = True - while not done: - if not currIsIdentifier(stream, firstIdentifier): - raiseSyntaxException(stream.curr(), "identifier") - - identifier = createItemNode("identifier", stream) - identifier.set("name", stream.currSource()) - stream.next(identifier) - - if allowArrays: - while stream.currIsType("token", "LB"): - accessor = createItemNode("accessor", stream) - stream.next(accessor) - accessor.addListChild("identifier", identifier) - accessor.addListChild("key", readExpression(stream)) - - stream.expectCurrType("token", "RB") - stream.next(accessor, True) - - identifier = accessor - - item.addChild(identifier) - - firstIdentifier = False - - if stream.currIsType("token", "DOT"): - stream.next(item) - else: - done = True - - return item - - - -def readObjectOperation(stream, operand, onlyAllowMemberAccess = False): - if stream.currIsType("token", "DOT"): - # This is a member accessor (E.g. "bla.blubb") - item = createItemNode("accessor", stream) - stream.next(item) - item.addListChild("left", operand) - - # special mode for constants which should be assigned to an accessor first - if operand.type == "constant": - item.addListChild("right", readVariable(stream, False)) - item = readObjectOperation(stream, item) - else: - item.addListChild("right", readObjectOperation(stream, readVariable(stream, False))) - - elif stream.currIsType("token", "LP"): - # This is a function call (E.g. "bla(...)") - item = createItemNode("call", stream) - item.addListChild("operand", operand) - readParamList(item, stream) - item = readObjectOperation(stream, item) - elif stream.currIsType("token", "LB"): - # This is an array access (E.g. "bla[...]") - item = createItemNode("accessor", stream) - stream.next(item) - item.addListChild("identifier", operand) - item.addListChild("key", readExpression(stream)) - - stream.expectCurrType("token", "RB") - stream.next(item, True) - item = readObjectOperation(stream, item) - else: - item = operand - - # Any comments found for the operand belong to the item - if operand != item: - commentsChild = operand.getChild("commentsBefore", False) - if commentsChild != None: - operand.removeChild(commentsChild) - item.addChild(commentsChild, 0) - - return item - - - -def readParamList (node, stream): - stream.expectCurrType("token", "LP") - - params = createItemNode("params", stream) - node.addChild(params) - - stream.next(params) - - firstParam = True - lastExpr = None - while not stream.currIsType("token", "RP"): - if firstParam: - firstParam = False - else: - stream.expectCurrType("token", "COMMA") - stream.next(lastExpr, True) - - lastExpr = readExpression(stream) - params.addChild(lastExpr) - - # Has an end defined by the loop above - # This means that all comments following are after item - stream.next(params, True) - - -def readBlock(stream): - stream.expectCurrType("token", "LC") - item = createItemNode("block", stream) - - # Iterate through children - stream.next(item) - while not stream.currIsType("token", "RC"): - item.addChild(readStatement(stream)) - - # Has an end defined by the loop above - # This means that all comments following are after item - stream.next(item, True) - - return item - - -def readMap(stream): - stream.expectCurrType("token", "LC") - - item = createItemNode("map", stream) - stream.next(item) - - # NOTE: We use our own flag for checking whether the array already has entries - # and not item.hasChildren(), because item.hasChildren() is also true - # when there are comments before the array - hasEntries = False - - while not stream.currIsType("token", "RC"): - if hasEntries: - stream.expectCurrType("token", "COMMA") - stream.next(item) - - if not currIsIdentifier(stream, True) and not stream.currIsType("string") and not stream.currIsType("number"): - raiseSyntaxException(stream.curr(), "map key (identifier, string or number)") - - keyvalue = createItemNode("keyvalue", stream) - keyvalue.set("key", stream.currSource()) - - if stream.currIsType("string"): - keyvalue.set("quote", stream.currDetail()) - - stream.next(keyvalue) - stream.expectCurrType("token", "COLON") - stream.next(keyvalue, True) - keyvalue.addListChild("value", readExpression(stream)) - - item.addChild(keyvalue) - - hasEntries = True - - # Has an end defined by the loop above - # This means that all comments following are after item - stream.next(item, True) - - return item - - - -def readArray(stream): - stream.expectCurrType("token", "LB") - - item = createItemNode("array", stream) - stream.next(item) - - # NOTE: We use our own flag for checking whether the array already has entries - # and not item.hasChildren(), because item.hasChildren() is also true - # when there are comments before the array - hasEntries = False - while not stream.currIsType("token", "RB"): - if hasEntries: - stream.expectCurrType("token", "COMMA") - stream.next(item) - - item.addChild(readExpression(stream)) - hasEntries = True - - # Has an end defined by the loop above - # This means that all comments following are after item - stream.next(item, True) - - # Support constructs like [ "foo", "bar" ].join("") - item = readObjectOperation(stream, item) - - return item - - - -def readInstantiation(stream): - stream.expectCurrType("protected", "NEW") - - item = createItemNode("instantiation", stream) - stream.next(item) - - # Could be a simple variable or a just-in-time function declaration (closure) - # Read this as expression - stmnt = readStatement(stream, True, False) - item.addListChild("expression", stmnt) - - return item - - - -def readLoop(stream): - stream.expectCurrType("protected", LOOP_KEYWORDS) - - loopType = stream.currDetail() - - item = createItemNode("loop", stream) - item.set("loopType", loopType) - - stream.next(item) - stream.expectCurrType("token", "LP") - - if loopType == "FOR": - stream.next(item) - - if not stream.currIsType("token", "SEMICOLON"): - # Read the optional first statement - first = createItemNode("first", stream) - item.addChild(first) - first.addChild(readStatement(stream, False, False)) - stream.comment(first, True) - - if stream.currIsType("token", "SEMICOLON"): - # It's a for (;;) loop - item.set("forVariant", "iter") - - stream.next(item) - if not stream.currIsType("token", "SEMICOLON"): - # Read the optional second expression - second = createItemNode("second", stream) - item.addChild(second) - second.addChild(readExpression(stream)) - stream.comment(second, True) - - stream.expectCurrType("token", "SEMICOLON") - stream.next(item) - - if not stream.currIsType("token", "RP"): - # Read the optional third statement - third = createItemNode("third", stream) - item.addChild(third) - third.addChild(readStatement(stream, False, False)) - stream.comment(third, True) - - elif stream.currIsType("token", "RP"): - # It's a for ( in ) loop - item.set("forVariant", "in") - pass - - else: - raiseSyntaxException(stream.curr(), "semicolon or in") - - stream.expectCurrType("token", "RP") - - else: - expr = createItemNode("expression", stream) - stream.next(expr) - expr.addChild(readExpression(stream)) - item.addChild(expr) - stream.comment(expr, True) - stream.expectCurrType("token", "RP") - - # comments should be already completed from the above code - stmnt = createItemNode("statement", stream) - item.addChild(stmnt) - stream.next() - stmnt.addChild(readStatement(stream)) - - if loopType == "IF" and stream.currIsType("protected", "ELSE"): - elseStmnt = createItemNode("elseStatement", stream) - item.addChild(elseStmnt) - stream.next(elseStmnt) - elseStmnt.addChild(readStatement(stream)) - - return item - - - -def readDoWhile(stream): - stream.expectCurrType("protected", "DO") - - item = createItemNode("loop", stream) - item.set("loopType", "DO") - stream.next(item) - - stmnt = createItemNode("statement", stream) - item.addChild(stmnt) - stmnt.addChild(readStatement(stream)) - - stream.expectCurrType("protected", "WHILE") - stream.next(item) - - stream.expectCurrType("token", "LP") - - expr = createItemNode("expression", stream) - item.addChild(expr) - stream.next(expr) - - expr.addChild(readExpression(stream)) - - stream.expectCurrType("token", "RP") - stream.next(item, True) - - return item - - -def readSwitch(stream): - stream.expectCurrType("protected", "SWITCH") - - item = createItemNode("switch", stream) - item.set("switchType", "case") - - stream.next(item) - stream.expectCurrType("token", "LP") - - expr = createItemNode("expression", stream) - stream.next(expr) - item.addChild(expr) - expr.addChild(readExpression(stream)) - - stream.expectCurrType("token", "RP") - stream.next(expr, True) - - stream.expectCurrType("token", "LC") - stmnt = createItemNode("statement", stream) - item.addChild(stmnt) - stream.next(stmnt) - - while not stream.currIsType("token", "RC"): - if stream.currIsType("protected", "CASE"): - caseItem = createItemNode("case", stream) - stream.next(caseItem) - caseItem.addListChild("expression", readExpression(stream)) - stmnt.addChild(caseItem) - - stream.expectCurrType("token", "COLON") - stream.next(caseItem, True) - - elif stream.currIsType("protected", "DEFAULT"): - defaultItem = createItemNode("default", stream) - stmnt.addChild(defaultItem) - stream.next(defaultItem) - - stream.expectCurrType("token", "COLON") - stream.next(defaultItem, True) - - else: - raiseSyntaxException(stream.curr(), "case or default") - - while not stream.currIsType("token", "RC") and not stream.currIsType("protected", "CASE") and not stream.currIsType("protected", "DEFAULT"): - stmnt.addChild(readStatement(stream)) - - stream.next(stmnt, True) - - return item - - -def readTryCatch(stream): - stream.expectCurrType("protected", "TRY") - - item = createItemNode("switch", stream) - item.set("switchType", "catch") - stream.next(item) - - item.addListChild("statement", readStatement(stream)) - - while stream.currIsType("protected", "CATCH"): - catchItem = createItemNode("catch", stream) - stream.next(catchItem) - - stream.expectCurrType("token", "LP") - - exprItem = createItemNode("expression", stream) - catchItem.addChild(exprItem) - stream.next(exprItem) - exprItem.addChild(readExpression(stream)) - - stream.expectCurrType("token", "RP") - stream.next(exprItem, True) - - stmnt = createItemNode("statement", stream) - catchItem.addChild(stmnt) - stmnt.addChild(readStatement(stream)) - - item.addChild(catchItem) - - if stream.currIsType("protected", "FINALLY"): - finallyItem = createItemNode("finally", stream) - stream.next(finallyItem) - - stmnt = createItemNode("statement", stream) - finallyItem.addChild(stmnt) - stmnt.addChild(readStatement(stream)) - - item.addChild(finallyItem) - - return item - - - - - - - - - -def main(): - parser = optparse.OptionParser() - - parser.add_option("-w", "--write", action="store_true", dest="write", default=False, help="Writes file to incoming fileName + EXTENSION.") - parser.add_option("-e", "--extension", dest="extension", metavar="EXTENSION", help="The EXTENSION to use", default=".compiled") - parser.add_option("--optimize-variables", action="store_true", dest="optimizeVariables", default=False, help="Optimize variables. Reducing size.") - parser.add_option("--encoding", dest="encoding", default="utf-8", metavar="ENCODING", help="Defines the encoding expected for input files.") - - (options, args) = parser.parse_args() - - if len(args) == 0: - print "Needs one or more arguments (files) to compile!" - sys.exit(1) - - for fileName in args: - if options.write: - print "Generating tree of %s => %s%s" % (fileName, fileName, options.extension) - else: - print "Generating tree of %s => stdout" % fileName - - restree = createSyntaxTree(tokenizer.parseFile(fileName, "", options.encoding)) - - if options.optimizeVariables: - variableoptimizer.search(restree, [], 0, "$") - - compiledString = tree.nodeToXmlString(restree) - if options.write: - filetool.save(fileName + options.extension, compiledString) - - else: - try: - print compiledString - - except UnicodeEncodeError: - print " * Could not encode result to ascii. Use '-w' instead." - sys.exit(1) - - - -if __name__ == '__main__': - try: - main() - - except KeyboardInterrupt: - print - print " * Keyboard Interrupt" - sys.exit(1) |