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CML parser, converts a custom markup language to C
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Changelog: -fixed the gcc compile string, yes I know, I kinda failed hard there. CML Written by Damon Swayn This software is provided under the BSD license: Copyright (c) 2012, Damon Swayn All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. All advertising materials mentioning features or use of this software must display the following acknowledgement: This product includes software developed by Damon Swayn. 4. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY Damon Swayn ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Damon Swayn BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Basically, feel free to hack around, break shit and pass it on to your friends. I'd just like to get a little credit for my work. Usage: Simple enough really, run the program by running "python main.py filename" where filename is to be substituted with a file containing CML compliant text. The tags are fairly straight forward and require no real learning of new concepts if you are already an adept C programmer already, although the average person with a basic understanding of any programming concepts would be able to figure out the jist of things. The following tags pretty much sum up 90% of all the C programming language although I am no expert. NOTE: all attributes must be provided in the order they are given in or else the parser will throw a shit-fit, you have been warned. Main: The main function is simply defined by the opening tag: <main> and the closing tag </main> no need to define a return tag directly before the closing main tag if you are returning 0 as this is inserted before the closing </main> automatically during the parsing. You can define a custom return value through the use of the return tag. Variables: variables are defined in the following manner: <var type="typename" name="varname">value/varname</var> and are modified thusly: <set name="varname">value/varname</set> pointers and references are valid: <var type="typename*" name="varname">value/varname</var> Functions: functions are defined similar to variables but the tag is called function instead of var: Note: like variables, pointer types are valid in function definitions <function type="typename" name="funcname" params="type param1, type param2...type paramN"> ..function body... etc.. </function> function prototyping is done almost exactly the same. At the top of your CML file you can use the tag <prototype> which has the same attributes as function. Note: the prototype tag needs a seperate closing tag but has no tag body <prototype type="typename" name="funcname" params="type param1, type param2...type paramN"></prototype> And a function can be called as such: <call>funcName(param1, param2...paramN)</call> eg: <call>printf("hello world")</call> Selection and Looping: selection and looping all share very similar tags: <if/while/for cond="boolean_exp"> block body etc... etc... </(if/while/for)> Note: the '(' and ')' around the if/while/for closing tag are just to make it easier to read, and are not necessary. ie - <if cond="test == 5"> <call>printf(test)</call> </if> Complex Data Types: structs, unions and enums are all defined very similarly. Although enums are slightly special. <struct/union name="structname"> <var type="type" name="val1">1</var> <var type="type" name="val2">2</var> ... <var type="type" name="valN">14813290123</var> </(struct/union)> As I mentioned before, enums are a little special, as demonstrated: <enum name="enumName"> <enum-val>bob</enum-val> <enum-val>jane</enum-val> <enum-val-last>billy</enum-val> </enum> enum-val tags define an entity that belongs to an enum, and the last tag must always be enum-val-last.