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Documented and cleaned up parser a bit so I have an easier time circling back to this, refactored splash.js to be properly namespaced and handle window/stage resizing

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This commit is contained in:
Ryan McGrath 2010-08-19 03:03:05 -07:00
parent 7ba03595eb
commit 91bf367d80
2 changed files with 56 additions and 22 deletions
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21
lib/parser.js
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@ -4,7 +4,7 @@
* @Requires:
* Node.js (Run latest for safety ;P)
* line_reader.js (custom, supplied in libraries)
* wrench.js (custom, supplied in libraries
* wrench.js (custom, supplied in libraries)
*
* @Note: This is just a compiler/parser. Core Splash takes place inside the browser - no need
* to muck around in DOM logic here when it's readily available over there. ;P
@ -28,6 +28,10 @@ var sys = require('sys'),
var determineAttrName = function(str) { return str.replace(whitespace, '').split(':')[0]; };
var determineVal = function(str) { return str.replace(whitespace, '').split(':')[1]; };
/* Aptly, returns a variable type from parsing a string.
*
* e.g, given "verb b:", this will return "verb"
*/
var getType = function(str) {
if(/verb/.test(str)) return "verb";
@ -45,7 +49,7 @@ exports.writeApp = function(text) {
* one directory up from this file for execution.
*/
wrench.copyDirSyncRecursive(currPath + '/lib/app_base', currPath + '/' + appName);
fs.writeFileSync(currPath + "/" + appName + "/scripts/compiled.js", "function main() { game_on(" + finalJSON + "); };", encoding="utf8");
fs.writeFileSync(currPath + "/" + appName + "/scripts/compiled.js", "function main() { splash.game_on(" + finalJSON + "); };", encoding="utf8");
};
/* In Splash, explanations are essentially variable declarations,
@ -58,23 +62,30 @@ exports.writeApp = function(text) {
* who: daniel
* action: move
* direction: left
* done
* end
*
* @Note: This parse is currently very "top down", and not as forgiving as it should be.
*/
while(expr.hasNextLine()) {
var currLine = expr.getNextLine(),
isBeginning = stripper.test(currLine);
isBeginning = stripper.test(currLine); /* Tests to see if we make a declaration. */
if(creatingBlock || isBeginning) {
creatingBlock = /end/.test(currLine) ? false : true;
/* type = verb/noun/etc
* name = name of the variable (e.g, verb run, name = run)
*/
if(isBeginning) block["type"] = getType(currLine);
if(isBeginning) block["name"] = currLine.replace(stripper, '').replace(whitespace, '');
else block[determineAttrName(currLine)] = determineVal(currLine);
/* If this is false, we're done building up a new block/JSON structure, so we can
* push it onto the stack for the browser to get down the road. We also reset the
* block here, so subsequent operations have a blank slate to work with.
*/
if(!creatingBlock) {
finalRep.push(JSON.stringify(block)); //this.parseExplain(block);
finalRep.push(JSON.stringify(block));
block = {};
}
}