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migration to graal

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This commit is contained in:
minjaesong
2020-12-01 14:16:48 +09:00
parent f4c67fee30
commit 6403a84af3
54 changed files with 182 additions and 326 deletions
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84
assets/tvdos/bin/command.js
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@@ -49,9 +49,9 @@ function greet() {
}
function trimStartRevSlash(s) {
let cnt = 0;
var cnt = 0;
while (cnt < s.length) {
let chr = s[cnt];
var chr = s[cnt];
if (chr != '\\') break;
@@ -66,10 +66,10 @@ shell.getPwd = function() { return shell_pwd; }
shell.getCurrentDrive = function() { return CURRENT_DRIVE; }
// example input: echo "the string" > subdir\test.txt
shell.parse = function(input) {
let tokens = [];
let stringBuffer = "";
let mode = "LITERAL"; // LITERAL, QUOTE, ESCAPE, LIMBO
let i = 0
var tokens = [];
var stringBuffer = "";
var mode = "LITERAL"; // LITERAL, QUOTE, ESCAPE, LIMBO
var i = 0
while (i < input.length) {
const c = input[i];
/*digraph g {
@@ -136,12 +136,12 @@ shell.parse = function(input) {
}
shell.resolvePathInput = function(input) {
// replace slashes into revslashes
let pathstr = input.replaceAll('/','\\\\');
let startsWithSlash = input.startsWith('\\');
let newPwd = [];
var pathstr = input.replaceAll('/','\\\\');
var startsWithSlash = input.startsWith('\\');
var newPwd = [];
// split them into an array while filtering empty elements except for the root 'head'
let ipwd = (startsWithSlash ? [""] : shell_pwd).concat(pathstr.split("\\").filter(function(it) { return (it.length > 0); }));
var ipwd = (startsWithSlash ? [""] : shell_pwd).concat(pathstr.split("\\").filter(function(it) { return (it.length > 0); }));
serial.println("command.js > resolvePathInput > ipwd = "+ipwd);
serial.println("command.js > resolvePathInput > newPwd = "+newPwd);
@@ -177,12 +177,12 @@ shell.coreutils = {
println(CURRENT_DRIVE+":"+shell_pwd.join("\\"));
return
}
let path = shell.resolvePathInput(args[1])
var path = shell.resolvePathInput(args[1])
if (DEBUG_PRINT) serial.println("command.js > cd > pathstr = "+path.string);
// check if path is valid
filesystem.open(CURRENT_DRIVE, path.string, 'R');
let dirOpened = filesystem.isDirectory(CURRENT_DRIVE); // open a dir; if path is nonexistent, file won't actually be opened
var dirOpened = filesystem.isDirectory(CURRENT_DRIVE); // open a dir; if path is nonexistent, file won't actually be opened
if (!dirOpened) { printerrln("CHDIR failed for '"+path.string+"'"); return; } // if file is not opened, FALSE will be returned
shell_pwd = path.pwd;
@@ -192,12 +192,12 @@ shell.coreutils = {
printerrln("Syntax error");
return
}
let path = shell.resolvePathInput(args[1])
var path = shell.resolvePathInput(args[1])
if (DEBUG_PRINT) serial.println("command.js > mkdir > pathstr = "+path.string);
// check if path is valid
let dirOpened = filesystem.open(CURRENT_DRIVE, path.string, 'W');
let mkdird = filesystem.mkDir(CURRENT_DRIVE);
var dirOpened = filesystem.open(CURRENT_DRIVE, path.string, 'W');
var mkdird = filesystem.mkDir(CURRENT_DRIVE);
if (!mkdird) { printerrln("MKDIR failed for '"+path.string+"'"); return; }
},
cls: function(args) {
@@ -225,13 +225,13 @@ shell.coreutils = {
}
else {
// parse key-value pair with splitter '='
let key = undefined; let value = undefined;
var key = undefined; var value = undefined;
// if syntax "<key> = <value>" is used?
if ('=' == args[2]) {
key = args[1].toUpperCase(); value = args[3];
}
else if (args[2] === undefined) {
let pair = args[1].split('=');
var pair = args[1].split('=');
key = pair[0].toUpperCase(); value = pair[1];
}
@@ -251,13 +251,13 @@ shell.coreutils = {
}
},
dir: function(args) {
let pathstr = (args[1] !== undefined) ? args[1] : "\\"+shell_pwd.join("\\");
var pathstr = (args[1] !== undefined) ? args[1] : "\\"+shell_pwd.join("\\");
// check if path is valid
let pathOpened = filesystem.open(CURRENT_DRIVE, pathstr, 'R');
var pathOpened = filesystem.open(CURRENT_DRIVE, pathstr, 'R');
if (!pathOpened) { printerrln("File not found"); return; }
let port = filesystem._toPorts(CURRENT_DRIVE)[0]
var port = filesystem._toPorts(CURRENT_DRIVE)[0]
com.sendMessage(port, "LIST");
println(com.pullMessage(port));
}
@@ -266,24 +266,24 @@ shell.coreutils.chdir = shell.coreutils.cd;
Object.freeze(shell.coreutils);
shell.execute = function(line) {
if (0 == line.size) return;
let tokens = shell.parse(line);
let cmd = tokens[0];
var tokens = shell.parse(line);
var cmd = tokens[0];
if (cmd === undefined || cmd === '') return 0;
// handle Ctrl-C
if (con.hitterminate()) return 1;
if (shell.coreutils[cmd.toLowerCase()] !== undefined) {
let retval = shell.coreutils[cmd.toLowerCase()](tokens);
var retval = shell.coreutils[cmd.toLowerCase()](tokens);
return retval|0; // return value of undefined will cast into 0
}
else {
// search through PATH for execution
let fileExists = false;
let searchDir = (cmd.startsWith("\\")) ? [""] : ["\\"+shell_pwd.join("\\")].concat(_TVDOS.getPath());
var fileExists = false;
var searchDir = (cmd.startsWith("\\")) ? [""] : ["\\"+shell_pwd.join("\\")].concat(_TVDOS.getPath());
let pathExt = [];
var pathExt = []; // it seems Nashorn does not like 'let' too much? this line gets ignored sometimes
// fill pathExt using %PATHEXT% but also capitalise them
if (cmd.split(".")[1] === undefined)
_TVDOS.variables.PATHEXT.split(';').forEach(function(it) { pathExt.push(it); pathExt.push(it.toUpperCase()); });
@@ -291,10 +291,10 @@ shell.execute = function(line) {
pathExt.push(""); // final empty extension
searchLoop:
for (let i = 0; i < searchDir.length; i++) {
for (let j = 0; j < pathExt.length; j++) {
let search = searchDir[i]; if (!search.endsWith('\\')) search += '\\';
let path = trimStartRevSlash(search + cmd + pathExt[j]);
for (var i = 0; i < searchDir.length; i++) {
for (var j = 0; j < pathExt.length; j++) {
var search = searchDir[i]; if (!search.endsWith('\\')) search += '\\';
var path = trimStartRevSlash(search + cmd + pathExt[j]);
if (DEBUG_PRINT) {
serial.println("[command.js > shell.execute] file search path: "+path);
@@ -312,21 +312,21 @@ shell.execute = function(line) {
return 127;
}
else {
let prg = filesystem.readAll(CURRENT_DRIVE);
let extension = undefined;
var programCode = filesystem.readAll(CURRENT_DRIVE);
var extension = undefined;
// get proper extension
let dotSepTokens = cmd.split('.');
var dotSepTokens = cmd.split('.');
if (dotSepTokens.length > 1) extension = dotSepTokens[dotSepTokens.length - 1].toUpperCase();
if ("BAT" == extension) {
// parse and run as batch file
let lines = prg.split('\n').filter(function(it) { return it.length > 0; });
var lines = programCode.split('\n').filter(function(it) { return it.length > 0; });
lines.forEach(function(line) {
shell.execute(line);
});
}
else {
return execApp(prg, tokens)|0; // return value of undefined will cast into 0
return execApp(programCode, tokens)|0; // return value of undefined will cast into 0
}
}
}
@@ -339,7 +339,7 @@ _G.shell = shell;
if (exec_args[1] !== undefined) {
// only meaningful switches would be either /c or /k anyway
let firstSwitch = exec_args[1].toLowerCase();
var firstSwitch = exec_args[1].toLowerCase();
// command /c <commands>
// ^[0] ^[1] ^[2]
@@ -376,14 +376,14 @@ if (goInteractive) {
con.reset_graphics();
print_prompt_text();
let cmdbuf = "";
var cmdbuf = "";
while (true) {
let key = con.getch();
var key = con.getch();
// printable chars
if (key >= 32 && key <= 126) {
let s = String.fromCharCode(key);
var s = String.fromCharCode(key);
cmdbuf += s;
print(s);
}
@@ -421,7 +421,7 @@ if (goInteractive) {
cmdHistoryScroll += 1;
// back the cursor in order to type new cmd
let x = 0;
var x = 0;
for (x = 0; x < cmdbuf.length; x++) print(String.fromCharCode(8));
cmdbuf = cmdHistory[cmdHistory.length - cmdHistoryScroll];
// re-type the new command
@@ -432,7 +432,7 @@ if (goInteractive) {
else if (key === 20) {
if (cmdHistoryScroll > 0) {
// back the cursor in order to type new cmd
let x = 0;
var x = 0;
for (x = 0; x < cmdbuf.length; x++) print(String.fromCharCode(8));
cmdbuf = cmdHistory[cmdHistory.length - cmdHistoryScroll];
// re-type the new command
@@ -442,7 +442,7 @@ if (goInteractive) {
}
else {
// back the cursor in order to type new cmd
let x = 0;
var x = 0;
for (x = 0; x < cmdbuf.length; x++) print(String.fromCharCode(8));
cmdbuf = "";
}