mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-11-14 06:23:55 +01:00
841 lines
24 KiB
Plaintext
841 lines
24 KiB
Plaintext
// 2023-08-07 09:46:13
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#region data
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global.LOG_EXPRESSION = false;
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global.EVALUATE_HEAD = noone;
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global.EQUATION_PRES = ds_map_create();
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global.EQUATION_PRES[? "+"] = 1;
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global.EQUATION_PRES[? "-"] = 1;
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global.EQUATION_PRES[? "∸"] = 9; //unary negative
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global.EQUATION_PRES[? "*"] = 2;
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global.EQUATION_PRES[? "/"] = 2;
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global.EQUATION_PRES[? "%"] = 2;
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global.EQUATION_PRES[? "$"] = 3;
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global.EQUATION_PRES[? "&"] = 5;
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global.EQUATION_PRES[? "|"] = 4;
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global.EQUATION_PRES[? "^"] = 3;
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global.EQUATION_PRES[? "<"] = 3;
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global.EQUATION_PRES[? "»"] = 6;
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global.EQUATION_PRES[? "«"] = 6;
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global.EQUATION_PRES[? "~"] = 9;
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global.EQUATION_PRES[? "="] = -99;
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global.EQUATION_PRES[? "⊕"] = -99; //+=
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global.EQUATION_PRES[? "⊖"] = -99; //-=
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global.EQUATION_PRES[? "⊗"] = -99; //*=
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global.EQUATION_PRES[? "⊘"] = -99; ///=
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global.EQUATION_PRES[? "⩵"] = -1; //==
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global.EQUATION_PRES[? "≠"] = -1; //!=
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global.EQUATION_PRES[? "<"] = 0;
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global.EQUATION_PRES[? ">"] = 0;
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global.EQUATION_PRES[? "≤"] = 0;
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global.EQUATION_PRES[? "≥"] = 0;
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global.EQUATION_PRES[? "@"] = 5; //array accerssor symbol
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global.FUNCTIONS = ds_map_create();
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global.FUNCTIONS[? "sin"] = [ ["radian"], function(val) { return sin(val[0]); } ];
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global.FUNCTIONS[? "cos"] = [ ["radian"], function(val) { return cos(val[0]); } ];
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global.FUNCTIONS[? "tan"] = [ ["radian"], function(val) { return tan(val[0]); } ];
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global.FUNCTIONS[? "abs"] = [ ["number"], function(val) { return abs(val[0]); } ];
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global.FUNCTIONS[? "round"] = [ ["number"], function(val) { return round(val[0]); } ];
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global.FUNCTIONS[? "ceil"] = [ ["number"], function(val) { return ceil(val[0]); } ];
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global.FUNCTIONS[? "floor"] = [ ["number"], function(val) { return floor(val[0]); } ];
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global.FUNCTIONS[? "lerp"] = [ ["number_0", "number_1", "amount"], function(val) { return lerp(array_safe_get(val, 0), array_safe_get(val, 1), array_safe_get(val, 2)); } ];
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global.FUNCTIONS[? "wiggle"] = [ ["time", "frequency", "octave = 1", "seed = 0"], function(val) {
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return wiggle(0, 1, PROJECT.animator.frameTotal, array_safe_get(val, 1),
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array_safe_get(val, 0),
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array_safe_get(val, 3, 0),
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array_safe_get(val, 2, 1));
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} ];
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global.FUNCTIONS[? "random"] = [ ["min = 0", "max = 1"], function(val) {
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return random_range(array_safe_get(val, 0, 0),
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array_safe_get(val, 1, 1));
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} ];
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global.FUNCTIONS[? "irandom"] = [ ["min = 0", "max = 1"], function(val) {
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return irandom_range(array_safe_get(val, 0, 0),
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array_safe_get(val, 1, 1));
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} ];
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global.FUNCTIONS[? "range"] = [ ["length", "start = 0", "step = 1"], function(val) {
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var arr = array_create(array_safe_get(val, 0, 0));
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for( var i = 0, n = array_length(arr); i < n; i++ )
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arr[i] = array_safe_get(val, 1, 0) + i * array_safe_get(val, 2, 1);
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return arr;
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} ];
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globalvar PROJECT_VARIABLES;
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PROJECT_VARIABLES = {};
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PROJECT_VARIABLES.Project = {};
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PROJECT_VARIABLES.Project.frame = () => PROJECT.animator.current_frame;
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PROJECT_VARIABLES.Project.progress = () => PROJECT.animator.current_frame / (PROJECT.animator.frames_total - 1);
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PROJECT_VARIABLES.Project.frameTotal = () => PROJECT.animator.frames_total;
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PROJECT_VARIABLES.Project.fps = () => PROJECT.animator.framerate;
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PROJECT_VARIABLES.Project.time = () => PROJECT.animator.current_frame / PROJECT.animator.framerate;
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PROJECT_VARIABLES.Project.name = () => filename_name_only(PROJECT.path);
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PROJECT_VARIABLES.Program = {};
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PROJECT_VARIABLES.Program.time = () => current_time / 1000;
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PROJECT_VARIABLES.Device = {};
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PROJECT_VARIABLES.Device.timeSecond = () => current_second;
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PROJECT_VARIABLES.Device.timeMinute = () => current_minute;
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PROJECT_VARIABLES.Device.timeHour = () => current_hour;
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PROJECT_VARIABLES.Device.timeDay = () => current_day;
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PROJECT_VARIABLES.Device.timeDayInWeek = () => current_weekday;
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PROJECT_VARIABLES.Device.timeMonth = () => current_month;
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PROJECT_VARIABLES.Device.timeYear = () => current_year;
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#endregion
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function functionStringClean(fx) {
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var ch = "", ind = 0, len = string_length(fx);
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var _fx = "", str = false;
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while(ind++ <= len) {
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ch = string_char_at(fx, ind);
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if(ch == " ") {
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if(str)
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_fx += ch;
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} else
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_fx += ch;
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if(ch == "\"")
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str = !str;
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}
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fx = _fx;
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fx = string_replace_all(fx, "\n", "");
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fx = string_replace_all(fx, "**", "$");
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fx = string_replace_all(fx, "<<", "«");
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fx = string_replace_all(fx, ">>", "»");
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fx = string_replace_all(fx, "==", "⩵");
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fx = string_replace_all(fx, "!=", "≠");
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fx = string_replace_all(fx, "<>", "≠");
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fx = string_replace_all(fx, ">=", "≥");
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fx = string_replace_all(fx, "<=", "≤");
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fx = string_replace_all(fx, "++", "⊕1");
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fx = string_replace_all(fx, "--", "⊖1");
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fx = string_replace_all(fx, "+=", "⊕");
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fx = string_replace_all(fx, "-=", "⊖");
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fx = string_replace_all(fx, "*=", "⊗");
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fx = string_replace_all(fx, "/=", "⊘");
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fx = string_trim(fx);
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return fx;
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}
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#region evaluator
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enum EXPRESS_TREE_ANIM {
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none,
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base_value,
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animated
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}
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function __funcList() constructor {
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funcTrees = [];
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static addFunction = function(fn) {
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array_push(funcTrees, fn);
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}
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static validate = function() {
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for( var i = 0, n = array_length(funcTrees); i < n; i++ )
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if(!funcTrees[i].validate())
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return false;
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return true;
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}
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static isAnimated = function() {
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for( var i = 0, n = array_length(funcTrees); i < n; i++ )
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if(!funcTrees[i].isAnimated())
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return false;
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return true;
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}
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static eval = function(params = {}) {
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//var _params = variable_clone(params);
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var val = 0;
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for( var i = 0, n = array_length(funcTrees); i < n; i++ )
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val = funcTrees[i].eval(params);
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return val;
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}
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}
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function __funcIf() constructor {
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condition = noone;
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if_true = new __funcList();
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if_false = new __funcList();
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static validate = function() {
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if(condition != noone && !condition.validate()) return false;
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if(if_true != noone && !if_true.validate()) return false;
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if(if_false != noone && !if_false.validate()) return false;
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return true;
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}
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static isAnimated = function() {
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if(condition != noone && !condition.isAnimated()) return false;
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if(if_true != noone && !if_true.isAnimated()) return false;
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if(if_false != noone && !if_false.isAnimated()) return false;
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return true;
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}
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static eval = function(params = {}) {
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if(condition == noone) return 0;
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var res = condition.eval(params);
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printIf(global.LOG_EXPRESSION, $"<<<<<< IF {res} >>>>>>");
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if(res) return if_true == noone? 0 : if_true.eval(params);
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else return if_false == noone? 0 : if_false.eval(params);
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}
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}
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function __funcFor() constructor {
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itr_array = false;
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cond_init = noone;
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cond_indx = noone;
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cond_iter = noone;
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cond_term = noone;
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cond_arr = noone;
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cond_step = 1;
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action = new __funcList();
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static validate = function() {
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if(itr_array) {
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if(cond_arr == noone || !cond_arr.validate()) return false;
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} else {
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if(cond_init == noone || !cond_init.validate()) return false;
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if(cond_term == noone || !cond_term.validate()) return false;
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}
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if(action != noone && !action.validate()) return false;
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return true;
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}
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static isAnimated = function() {
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if(itr_array) {
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if(cond_arr == noone || !cond_arr.isAnimated()) return false;
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} else {
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if(cond_init == noone || !cond_init.isAnimated()) return false;
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if(cond_term == noone || !cond_term.isAnimated()) return false;
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}
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if(action != noone && !action.isAnimated()) return false;
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return true;
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}
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static eval = function(params = {}) {
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if(itr_array) {
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var _arr = cond_arr.eval(params);
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printIf(global.LOG_EXPRESSION, $"<<<<<< FOR EACH {_arr} >>>>>>");
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for( var i = 0, n = array_length(_arr); i < n; i++ ) {
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var val = _arr[i];
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if(cond_indx != noone)
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params[$ cond_indx] = i;
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params[$ cond_iter] = val;
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printIf(global.LOG_EXPRESSION, $"<< ITER {i}: {cond_iter} = {val} >>");
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action.eval(params);
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}
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} else {
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printIf(global.LOG_EXPRESSION, "<< FOR >>");
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cond_init.eval(params);
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while(cond_term.eval(params)) {
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action.eval(params);
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cond_iter.eval(params);
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}
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}
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}
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}
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function __funcTree(symbol, l = noone, r = noone) constructor {
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self.symbol = symbol;
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self.l = l;
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self.r = r;
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dependency = [];
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static _string = function(str) {
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return string_char_at(str, 1) == "\"" && string_char_at(str, string_length(str)) == "\"";
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}
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static _string_trim = function(str) {
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return string_trim(str, [ "\"" ]);
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}
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static getVal = function(val, params = {}, getRaw = false) {
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if(is_struct(val)) return val.eval(params, getRaw);
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if(is_real(val)) return val;
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if(getRaw) return val;
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if(is_string(val)) val = string_trim(val);
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//printIf(global.LOG_EXPRESSION, $" [ get struct {params}[{val}] ]");
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if(struct_has(params, val))
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return struct_try_get(params, val);
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val = string_trim(val);
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if(_string(val))
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return _string_trim(val);
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return nodeGetData(val);
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}
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static _validate = function(val) {
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if(is_real(val)) return true;
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if(is_string(val)) return true;
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if(is_struct(val)) return val.validate();
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if(val == "value") return true;
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if(PROJECT.globalNode.inputExist(val)) return true;
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var strs = string_splice(val, ".");
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if(array_length(strs) < 2) return false;
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if(struct_has(PROJECT_VARIABLES, strs[0]))
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return struct_has(PROJECT_VARIABLES[$ strs[0]], strs[1]);
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if(!ds_map_exists(PROJECT.nodeNameMap, strs[0]))
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return false;
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array_push_unique(dependency, strs[0]);
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return true;
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}
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static validate = function() {
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dependency = [];
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if(ds_map_exists(global.FUNCTIONS, symbol)) {
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if(!is_array(l)) return false;
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for( var i = 0, n = array_length(l); i < n; i++ )
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if(!_validate(l[i])) return false;
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return true;
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}
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switch(symbol) {
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case "@": return _validate(l);
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case "【": return true;
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case "": return true;
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}
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return _validate(l) && _validate(r);
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}
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static _isAnimated = function(val) {
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if(is_real(val)) return EXPRESS_TREE_ANIM.none;
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if(is_struct(val)) return val._isAnimated();
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if(val == "value") return EXPRESS_TREE_ANIM.base_value;
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if(PROJECT.globalNode.inputExist(val)) {
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var _inp = PROJECT.globalNode.getInput(val);
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if(_inp.is_anim) return EXPRESS_TREE_ANIM.animated;
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}
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return EXPRESS_TREE_ANIM.none;
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}
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static isAnimated = function() {
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var anim = EXPRESS_TREE_ANIM.none;
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anim = max(anim, _isAnimated(l));
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if(symbol != "@")
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anim = max(anim, _isAnimated(r));
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return anim;
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}
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static eval = function(params = {}, isLeft = false) {
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if(ds_map_exists(global.FUNCTIONS, symbol)) {
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if(!is_array(l)) return 0;
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var _fn = global.FUNCTIONS[? symbol];
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var _ev = _fn[1];
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var _l = array_create(array_length(l));
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for( var i = 0, n = array_length(l); i < n; i++ )
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_l[i] = getVal(l[i], params);
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var res = _ev(_l);
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printIf(global.LOG_EXPRESSION, $"Function {symbol}{_l} = {res}");
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printIf(global.LOG_EXPRESSION, "====================");
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return res;
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}
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var getRaw = false;
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switch(symbol) {
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case "=":
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case "【":
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getRaw = true;
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}
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var v1 = getVal(l, params, getRaw || isLeft);
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var v2 = getVal(r, params);
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var res = 0;
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if(symbol == "") {
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res = v1;
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} else if(symbol == "【") { //array builder
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res = array_create(array_length(v1));
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for( var i = 0, n = array_length(res); i < n; i++ )
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res[i] = getVal(v1[i], params);
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} else if(symbol == "@") {
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if(isLeft) res = [ v1, v2 ];
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else res = is_real(v2)? array_safe_get(v1, v2) : 0;
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} else if(symbol == "=") {
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if(is_array(v1)) {
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var val = params[$ v1[0]];
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val = array_safe_set(val, v1[1], v2);
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params[$ v1[0]] = val;
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res = val;
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} else {
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params[$ v1] = v2;
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res = v2;
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}
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} else if(is_array(v1) && !is_array(v2)) {
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res = array_create(array_length(v1));
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for( var i = 0, n = array_length(res); i < n; i++ )
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res[i] = eval_real(array_safe_get(v1, i), v2);
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} else if(!is_array(v1) && is_array(v2)) {
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res = array_create(array_length(v2));
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for( var i = 0, n = array_length(res); i < n; i++ )
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res[i] = eval_real(v1, array_safe_get(v2, i));
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} else if(is_array(v1) && is_array(v2)) {
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res = array_create(max(array_length(v1), array_length(v2)));
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for( var i = 0, n = array_length(res); i < n; i++ )
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res[i] = eval_real(array_safe_get(v1, i), array_safe_get(v2, i));
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} else
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res = eval_real(v1, v2);
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var _v1_var = getVal(l, params, true);
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switch(symbol) {
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case "⊕":
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case "⊖":
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case "⊗":
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case "⊘":
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if(is_array(_v1_var)) {
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var val = params[$ _v1_var[0]];
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val = array_safe_set(val, _v1_var[1], res);
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params[$ _v1_var[0]] = val;
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} else
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params[$ _v1_var] = res;
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printIf(global.LOG_EXPRESSION, $"|{_v1_var}| = {v1}|{symbol}|{v2}| = {res}");
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printIf(global.LOG_EXPRESSION, $"symbol : {symbol}");
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printIf(global.LOG_EXPRESSION, $"l : | {typeof(l)} |{l}|");
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printIf(global.LOG_EXPRESSION, $"r : | {typeof(r)} |{r}|");
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printIf(global.LOG_EXPRESSION, "====================");
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break;
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default:
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printIf(global.LOG_EXPRESSION, $"|{v1}|{symbol}|{v2}| = {res}");
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printIf(global.LOG_EXPRESSION, $"symbol : {symbol}");
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printIf(global.LOG_EXPRESSION, $"l : | {typeof(l)} |{l}|");
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printIf(global.LOG_EXPRESSION, $"r : | {typeof(r)} |{r}|");
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printIf(global.LOG_EXPRESSION, "====================");
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break;
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}
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return res;
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}
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static eval_real = function(v1, v2, _symbol = symbol) {
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switch(_symbol) {
|
|
case "+":
|
|
case "⊕":
|
|
if(is_string(v1) || is_string(v2)) return string(v1) + string(v2);
|
|
if(is_real(v1) && is_real(v2)) return v1 + v2;
|
|
return 0;
|
|
case "-":
|
|
case "⊖": return (is_real(v1) && is_real(v2))? v1 - v2 : 0;
|
|
case "∸": return is_real(v1)? -v1 : 0;
|
|
case "*":
|
|
case "⊗": return (is_real(v1) && is_real(v2))? v1 * v2 : 0;
|
|
case "$": return (is_real(v1) && is_real(v2))? power(v1, v2) : 0;
|
|
case "/":
|
|
case "⊘": return (is_real(v1) && is_real(v2) && v2 != 0)? v1 / v2 : 0;
|
|
case "%": return (is_real(v1) && is_real(v2) && v2 != 0)? v1 % v2 : 0;
|
|
|
|
case "&": return (is_real(v1) && is_real(v2))? v1 & v2 : 0;
|
|
case "|": return (is_real(v1) && is_real(v2))? v1 | v2 : 0;
|
|
case "^": return (is_real(v1) && is_real(v2))? v1 ^ v2 : 0;
|
|
case "«": return (is_real(v1) && is_real(v2))? v1 << v2 : 0;
|
|
case "»": return (is_real(v1) && is_real(v2))? v1 >> v2 : 0;
|
|
case "~": return is_real(v1)? ~v1 : 0;
|
|
|
|
case "⩵": return (is_real(v1) && is_real(v2))? v1 == v2 : 0;
|
|
case "≠": return (is_real(v1) && is_real(v2))? v1 != v2 : 0;
|
|
case "≤": return (is_real(v1) && is_real(v2))? v1 <= v2 : 0;
|
|
case "≥": return (is_real(v1) && is_real(v2))? v1 >= v2 : 0;
|
|
case ">": return (is_real(v1) && is_real(v2))? v1 > v2 : 0;
|
|
case "<": return (is_real(v1) && is_real(v2))? v1 < v2 : 0;
|
|
|
|
case "sin" : return is_real(v1)? sin(v1) : 0;
|
|
case "cos" : return is_real(v1)? cos(v1) : 0;
|
|
case "tan" : return is_real(v1)? tan(v1) : 0;
|
|
case "abs" : return is_real(v1)? abs(v1) : 0;
|
|
case "round" : return is_real(v1)? round(v1) : 0;
|
|
case "ceil" : return is_real(v1)? ceil(v1) : 0;
|
|
case "floor" : return is_real(v1)? floor(v1) : 0;
|
|
}
|
|
|
|
return v1;
|
|
}
|
|
}
|
|
|
|
function functionStrip(fx) {
|
|
var el_st = 1;
|
|
var el_ed = 1;
|
|
|
|
for( var i = 1; i <= string_length(fx); i++ ) {
|
|
var cch = string_char_at(fx, i);
|
|
if(cch == "(") {
|
|
el_st = i + 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for( var i = string_length(fx); i >= 1; i-- ) {
|
|
var cch = string_char_at(fx, i);
|
|
if(cch == ")") {
|
|
el_ed = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return string_copy(fx, el_st, el_ed - el_st)
|
|
}
|
|
|
|
function evaluateFunctionList(fx) {
|
|
fx = string_replace_all(fx, "{", "\n{\n");
|
|
fx = string_replace_all(fx, "}", "\n}\n");
|
|
|
|
var fxs = string_split(fx, "\n", true);
|
|
|
|
var flist = new __funcList();
|
|
|
|
var call_st = ds_stack_create();
|
|
var blok_st = ds_stack_create();
|
|
ds_stack_push(call_st, flist);
|
|
|
|
for( var i = 0, n = array_length(fxs); i < n; i++ ) {
|
|
var _fx = functionStringClean(fxs[i]);
|
|
//print($"Eval line {i}: {_fx} [stack size = {ds_stack_size(call_st)}]");
|
|
|
|
if(_fx == "" || _fx == "{") continue;
|
|
if(_fx == "}") {
|
|
ds_stack_pop(call_st);
|
|
continue;
|
|
}
|
|
|
|
var _fx_sp = string_split(_fx, "(");
|
|
var _cmd = string_trim(_fx_sp[0]);
|
|
var _cond = functionStrip(_fx);
|
|
|
|
switch(_cmd) {
|
|
case "if":
|
|
var con_if = new __funcIf();
|
|
con_if.condition = evaluateFunctionTree(_cond);
|
|
ds_stack_top(call_st).addFunction(con_if);
|
|
ds_stack_push(call_st, con_if.if_true);
|
|
ds_stack_push(blok_st, con_if);
|
|
continue;
|
|
case "elseif":
|
|
var con_if = ds_stack_pop(blok_st);
|
|
var con_elif = new __funcIf();
|
|
con_elif.condition = evaluateFunctionTree(_cond);
|
|
|
|
con_if.if_false.addFunction(con_elif);
|
|
ds_stack_push(call_st, con_elif.if_true);
|
|
ds_stack_push(blok_st, con_elif);
|
|
continue;
|
|
case "else":
|
|
var con_if = ds_stack_pop(blok_st);
|
|
|
|
ds_stack_push(call_st, con_if.if_false);
|
|
continue;
|
|
case "for":
|
|
var con_for = new __funcFor();
|
|
var cond = string_splice(_cond, ":");
|
|
if(array_length(cond) == 2) {
|
|
con_for.itr_array = true;
|
|
con_for.cond_arr = evaluateFunctionTree(cond[1]);
|
|
|
|
cond[0] = string_trim(cond[0]);
|
|
var _itr = string_split(cond[0], ",");
|
|
if(array_length(_itr) == 1)
|
|
con_for.cond_iter = cond[0];
|
|
else if(array_length(_itr) == 2) {
|
|
con_for.cond_indx = string_trim(_itr[0]);
|
|
con_for.cond_iter = string_trim(_itr[1]);
|
|
}
|
|
} else if(array_length(cond) == 3) {
|
|
con_for.itr_array = false;
|
|
con_for.cond_init = evaluateFunctionTree(cond[0]);
|
|
con_for.cond_iter = evaluateFunctionTree(cond[1]);
|
|
con_for.cond_term = evaluateFunctionTree(cond[2]);
|
|
}
|
|
ds_stack_top(call_st).addFunction(con_for);
|
|
ds_stack_push(call_st, con_for.action);
|
|
continue;
|
|
}
|
|
|
|
if(ds_stack_empty(call_st)) {
|
|
print("Block stack empty, how?");
|
|
} else {
|
|
var _top = ds_stack_top(call_st);
|
|
_top.addFunction(evaluateFunctionTree(_fx));
|
|
}
|
|
}
|
|
|
|
ds_stack_destroy(call_st);
|
|
ds_stack_destroy(blok_st);
|
|
|
|
return flist;
|
|
}
|
|
|
|
function evaluateFunctionTree(fx) {
|
|
static __BRACKETS = [ "(", ")", "[", "]" ];
|
|
|
|
var pres = global.EQUATION_PRES;
|
|
var vl = ds_stack_create();
|
|
var op = ds_stack_create();
|
|
var last_push = "";
|
|
|
|
var len = string_length(fx);
|
|
var l = 1;
|
|
var ch = "";
|
|
var cch = "";
|
|
var _ch = "";
|
|
var in_str = false;
|
|
|
|
printIf(global.LOG_EXPRESSION, $"===== Evaluating function: {fx} =====");
|
|
|
|
while(l <= len) {
|
|
ch = string_char_at(fx, l);
|
|
|
|
//print($"Analyzing {ch}");
|
|
|
|
if(ds_map_exists(pres, ch)) { //symbol is operator
|
|
last_push = "op";
|
|
|
|
if(ds_stack_empty(op)) ds_stack_push(op, ch);
|
|
else {
|
|
var _top = ds_stack_top(op);
|
|
if(_top == "(" || ds_map_exists(global.FUNCTIONS, _top) || pres[? ch] > pres[? _top]) {
|
|
ds_stack_push(op, ch);
|
|
} else {
|
|
if(ch == "-" && ds_map_exists(pres, _ch)) ch = "∸"; //unary negative
|
|
|
|
while(pres[? ch] <= pres[? ds_stack_top(op)] && !ds_stack_empty(op))
|
|
ds_stack_push(vl, buildFuncTree(ds_stack_pop(op), vl));
|
|
ds_stack_push(op, ch);
|
|
}
|
|
}
|
|
|
|
l++;
|
|
} else if (ch == "(") {
|
|
if(last_push == "fn") ds_stack_push(op, [ "〚", ds_stack_size(vl) ]);
|
|
else ds_stack_push(op, ch);
|
|
last_push = "op";
|
|
l++;
|
|
} else if (ch == ")") {
|
|
while(!ds_stack_empty(op)) {
|
|
var _top = ds_stack_pop(op);
|
|
if(_top == "(") break;
|
|
if(is_array(_top) && _top[0] == "〚") {
|
|
var arr = [];
|
|
while(ds_stack_size(vl) > _top[1])
|
|
array_insert(arr, 0, ds_stack_pop(vl));
|
|
|
|
ds_stack_push(vl, new __funcTree(ds_stack_pop(op), arr));
|
|
break;
|
|
}
|
|
|
|
ds_stack_push(vl, buildFuncTree(_top, vl));
|
|
}
|
|
|
|
last_push = "vl";
|
|
l++;
|
|
} else if (ch == "[") {
|
|
if(last_push == "vl") {
|
|
ds_stack_push(op, "@");
|
|
ds_stack_push(op, ch);
|
|
} else
|
|
ds_stack_push(op, [ "{", ds_stack_size(vl) ]);
|
|
|
|
last_push = "op";
|
|
l++;
|
|
} else if (ch == "]") {
|
|
while(!ds_stack_empty(op)) {
|
|
var _top = ds_stack_pop(op);
|
|
if(_top == "[") break;
|
|
if(is_array(_top) && _top[0] == "{") {
|
|
var arr = [];
|
|
while(ds_stack_size(vl) > _top[1])
|
|
array_insert(arr, 0, ds_stack_pop(vl));
|
|
ds_stack_push(vl, new __funcTree("【", arr));
|
|
break;
|
|
}
|
|
|
|
ds_stack_push(vl, buildFuncTree(_top, vl));
|
|
}
|
|
|
|
last_push = "vl";
|
|
l++;
|
|
} else if (ch == ",") {
|
|
while(!ds_stack_empty(op)) {
|
|
var _top = ds_stack_top(op);
|
|
if(_top == "[" || _top == "(" || (is_array(_top) && _top[0] == "{")) break;
|
|
|
|
ds_stack_push(vl, buildFuncTree(_top, vl));
|
|
}
|
|
|
|
last_push = "vl";
|
|
l++;
|
|
} else {
|
|
var vsl = "";
|
|
|
|
while(l <= len) {
|
|
cch = string_char_at(fx, l);
|
|
if(ds_map_exists(pres, cch) || array_exists(__BRACKETS, cch)) break;
|
|
if(cch == ",") {
|
|
l++;
|
|
break;
|
|
}
|
|
|
|
vsl += cch;
|
|
l++;
|
|
}
|
|
|
|
if(vsl == "") continue;
|
|
|
|
if(ds_map_exists(global.FUNCTIONS, vsl)) { //function
|
|
ds_stack_push(op, vsl);
|
|
last_push = "fn";
|
|
} else {
|
|
vsl = string_trim(vsl);
|
|
|
|
switch(vsl) {
|
|
case "e" : ds_stack_push(vl, 2.71828); break;
|
|
case "pi": ds_stack_push(vl, pi); break;
|
|
default : ds_stack_push(vl, isNumber(vsl)? toNumber(vsl) : vsl); break;
|
|
}
|
|
|
|
last_push = "vl";
|
|
}
|
|
}
|
|
|
|
//print($"op: {ds_stack_size(op)}; vl: {ds_stack_size(vl)}");
|
|
|
|
_ch = ch;
|
|
}
|
|
|
|
while(!ds_stack_empty(op))
|
|
ds_stack_push(vl, buildFuncTree(ds_stack_pop(op), vl));
|
|
|
|
var tree = ds_stack_empty(vl)? noone : ds_stack_pop(vl);
|
|
|
|
ds_stack_destroy(op);
|
|
ds_stack_destroy(vl);
|
|
|
|
if(!is_struct(tree))
|
|
tree = new __funcTree("", tree);
|
|
|
|
printIf(global.LOG_EXPRESSION, tree);
|
|
printIf(global.LOG_EXPRESSION, "");
|
|
|
|
return tree;
|
|
}
|
|
|
|
function buildFuncTree(operator, vl) {
|
|
if(ds_stack_empty(vl)) return noone;
|
|
|
|
if(ds_map_exists(global.FUNCTIONS, operator)) {
|
|
if(ds_stack_empty(vl))
|
|
return noone;
|
|
|
|
var _v1 = ds_stack_pop(vl);
|
|
return new __funcTree(operator, _v1);
|
|
}
|
|
|
|
switch(operator) {
|
|
case "-": //deal with preceeding negative number -5
|
|
if(ds_stack_size(vl) >= 2) {
|
|
var _v1 = ds_stack_pop(vl);
|
|
var _v2 = ds_stack_pop(vl);
|
|
return new __funcTree("-", _v2, _v1);
|
|
} else
|
|
return new __funcTree("-", ds_stack_pop(vl), 0);
|
|
|
|
case "@":
|
|
var _v1 = ds_stack_pop(vl);
|
|
var _v2 = ds_stack_pop(vl);
|
|
return new __funcTree(operator, _v2, _v1);
|
|
|
|
case "+": //binary operators
|
|
case "*":
|
|
case "$":
|
|
case "/":
|
|
case "%":
|
|
|
|
case "|":
|
|
case "&":
|
|
case "^":
|
|
case "»":
|
|
case "«":
|
|
|
|
case "=":
|
|
case "⩵":
|
|
case "≠":
|
|
case "≤":
|
|
case "≥":
|
|
case "<":
|
|
case ">":
|
|
|
|
case "⊕":
|
|
case "⊖":
|
|
case "⊗":
|
|
case "⊘":
|
|
|
|
if(ds_stack_size(vl) >= 2) {
|
|
var _v1 = ds_stack_pop(vl);
|
|
var _v2 = ds_stack_pop(vl);
|
|
return new __funcTree(operator, _v2, _v1);
|
|
}
|
|
|
|
default: return new __funcTree(operator, ds_stack_pop(vl));
|
|
}
|
|
|
|
return noone;
|
|
}
|
|
|
|
function evaluateFunction(fx, params = {}) {
|
|
if(isNumber(fx)) return toNumber(fx);
|
|
return evaluateFunctionList(fx).eval(params);
|
|
}
|
|
#endregion |