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basic: fixing an edge case with scalar arrays

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minjaesong
2020-12-05 16:32:34 +09:00
parent 7328f5f978
commit bd6a6be6b6
1 changed files with 23 additions and 5 deletions
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28
assets/basic.js
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@@ -448,6 +448,13 @@ if no arg text were given (e.g. "10 NEXT"), args will have zero length
if (!isNaN(rh)) rh = rh*1 // if string we got can be cast to number, do it
//println(lnum+" = lh: "+Object.entries(args[0]));
//println(lnum+" = rh raw: "+Object.entries(args[1]));
//println(lnum+" = rh resolved: "+rh);
//try { println(lnum+" = rh resolved entries: "+Object.entries(rh)); }
//catch (_) {}
if (troValue.arrFull !== undefined) { // assign to existing array
if (isNaN(rh) && !Array.isArray(rh)) throw lang.illegalType(lnum, rh);
let arr = eval("troValue.arrFull"+troValue.arrKey);
@@ -459,8 +466,16 @@ if no arg text were given (e.g. "10 NEXT"), args will have zero length
var varname = troValue.toUpperCase();
var type = JStoBASICtype(rh);
if (bStatus.consts[varname]) throw lang.asgnOnConst(lnum, varname);
bStatus.vars[varname] = new BasicVar(rh, type);
return {asgnVarName: varname, asgnValue: rh};
// special case for scalar array
// it basically bypasses the regular resolve subroutine
if (args[1].troType !== undefined && args[1].troType == "array") {
bStatus.vars[varname] = new BasicVar(args[1].troValue, "array");
return {asgnVarName: varname, asgnValue: rh};
}
else {
bStatus.vars[varname] = new BasicVar(rh, type);
return {asgnVarName: varname, asgnValue: rh};
}
}
},
"IN" : function(lnum, args) { // almost same as =, but don't actually make new variable. Used by FOR statement
@@ -1778,13 +1793,13 @@ bF._parseTokens = function(lnum, tokens, states, recDepth) {
// @return is defined in BasicAST
let JStoBASICtype = function(object) {
if (typeof object === "boolean") return "bool";
else if (object === undefined) return "null";
else if (object.arrName !== undefined) return "internal_arrindexing_lazy";
else if (object.asgnVarName !== undefined) return "internal_assignment_object";
else if (object instanceof ForGen) return "generator";
else if (Array.isArray(object)) return "array";
else if (!isNaN(object)) return "num";
else if (typeof object === "string" || object instanceof String) return "string";
else if (object === undefined) return "null";
else if (object.asgnVarName !== undefined) return "internal_assignment_object";
else if (object.arrName !== undefined) return "internal_arrindexing_lazy";
// buncha error msgs
else throw "BasicIntpError: un-translatable object with typeof "+(typeof object)+",\ntoString = "+object+",\nentries = "+Object.entries(object);
}
@@ -1855,6 +1870,9 @@ bF._executeSyntaxTree = function(lnum, syntaxTree, recDepth) {
// func not in builtins (e.g. array access, user-defined function defuns)
if (func === undefined) {
var someVar = bStatus.vars[funcName];
//println(lnum+" _executeSyntaxTree: "+Object.entries(someVar));
if (someVar === undefined) {
throw lang.syntaxfehler(lnum, funcName + " is undefined");
}