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Properly support non-ASCII characters in System.out and System.err

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This commit is contained in:
Alexey Andreev 2020-04-30 14:49:33 +03:00
parent c7c47f63ee
commit a9e7e51c51
1 changed files with 47 additions and 19 deletions
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62
core/src/main/resources/org/teavm/backend/javascript/runtime.js
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@ -436,28 +436,56 @@ function $rt_assertNotNaN(value) {
}
return value;
}
var $rt_stdoutBuffer = "";
var $rt_putStdout = typeof $rt_putStdoutCustom === "function" ? $rt_putStdoutCustom : function(ch) {
function $rt_createOutputFunction(printFunction) {
var buffer = "";
var utf8Buffer = 0;
var utf8Remaining = 0;
function putCodePoint(ch) {
if (ch === 0xA) {
if (console) {
console.info($rt_stdoutBuffer);
}
$rt_stdoutBuffer = "";
printFunction(buffer);
buffer = "";
} else if (ch < 0x10000) {
buffer += String.fromCharCode(ch);
} else {
$rt_stdoutBuffer += String.fromCharCode(ch);
ch = (ch - 0x10000) | 0;
var hi = (ch >> 10) + 0xD800;
var lo = (ch & 0x3FF) + 0xDC00;
buffer += String.fromCharCode(hi, lo);
}
};
var $rt_stderrBuffer = "";
var $rt_putStderr = typeof $rt_putStderrCustom === "function" ? $rt_putStderrCustom : function(ch) {
if (ch === 0xA) {
if (console) {
console.error($rt_stderrBuffer);
}
$rt_stderrBuffer = "";
} else {
$rt_stderrBuffer += String.fromCharCode(ch);
return function(ch) {
if ((ch & 0x80) === 0) {
putCodePoint(ch);
} else if ((ch & 0xC0) === 0x80) {
if (utf8Buffer > 0) {
utf8Remaining <<= 6;
utf8Remaining |= ch & 0x3F;
if (--utf8Buffer === 0) {
putCodePoint(utf8Remaining);
}
};
}
} else if ((ch & 0xE0) === 0xC0) {
utf8Remaining = ch & 0x1F;
utf8Buffer = 1;
} else if ((ch & 0xF0) === 0xE0) {
utf8Remaining = ch & 0x0F;
utf8Buffer = 2;
} else if ((ch & 0xF8) === 0xF0) {
utf8Remaining = ch & 0x07;
utf8Buffer = 3;
}
};
}
var $rt_putStdout = typeof $rt_putStdoutCustom === "function"
? $rt_putStdoutCustom
: console ? $rt_createOutputFunction(function(msg) { console.info(msg); }) : function() {};
var $rt_putStderr = typeof $rt_putStderrCustom === "function"
? $rt_putStderrCustom
: console ? $rt_createOutputFunction(function(msg) { console.error(msg); }) : function() {};
var $rt_packageData = null;
function $rt_packages(data) {
var i = 0;