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basic: ability to invoke with cmdline args

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This commit is contained in:
minjaesong
2020-12-06 11:40:46 +09:00
parent 69e0b485a0
commit 64257464b4
1 changed files with 28 additions and 4 deletions
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32
assets/basic.js
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@@ -15,6 +15,13 @@ Test Programs:
20 GOTO 10 20 GOTO 10
*/ */
if (exec_args[1] !== undefined && exec_args[1].startsWith("-?")) {
println("Usage: basic <optional path to basic program>");
println("When the optional basic program is set, the interpreter will run the program and then quit if successful, remain open if the program had an error.");
return 0;
}
let INDEX_BASE = 0; let INDEX_BASE = 0;
let TRACEON = false; let TRACEON = false;
let DBGON = true; let DBGON = true;
@@ -1971,10 +1978,8 @@ bF._interpretLine = function(lnum, cmd) {
return execResult.troNextLine; return execResult.troNextLine;
} }
catch (e) { catch (e) {
serial.println(`ERROR on ${lnum} -- PARSE TREE:`); serial.printerr(`ERROR on ${lnum} -- PARSE TREE:\n${syntaxTree.toString()}\nERROR CONTENTS:\n${e}`);
serial.println(syntaxTree.toString()); throw e;
serial.println("ERROR CONTENTS:");
println(e);
} }
}; // end INTERPRETLINE }; // end INTERPRETLINE
bF._basicList = function(v, i, arr) { bF._basicList = function(v, i, arr) {
@@ -2079,6 +2084,12 @@ bF.save = function(args) { // SAVE function
bF.load = function(args) { // LOAD function bF.load = function(args) { // LOAD function
if (args[1] === undefined) throw lang.missingOperand; if (args[1] === undefined) throw lang.missingOperand;
var fileOpened = fs.open(args[1], "R"); var fileOpened = fs.open(args[1], "R");
if (!fileOpened) {
fileOpened = fs.open(args[1]+".BAS", "R");
}
if (!fileOpened) {
fileOpened = fs.open(args[1]+".bas", "R");
}
if (!fileOpened) { if (!fileOpened) {
throw lang.noSuchFile; throw lang.noSuchFile;
return; return;
@@ -2109,6 +2120,19 @@ bF.catalog = function(args) { // CATALOG function
println(com.pullMessage(port)); println(com.pullMessage(port));
}; };
Object.freeze(bF); Object.freeze(bF);
if (exec_args[1] !== undefined) {
bF.load(["load", exec_args[1]]);
try {
bF.run();
return 0;
}
catch (e) {
serial.printerr(e);
println(e);
}
}
while (!tbasexit) { while (!tbasexit) {
var line = sys.read().trim(); var line = sys.read().trim();