<html><head>
<title>YosysJS Example Application #01</title>
+ <script type="text/javascript" src="yosysjs.js"></script>
</head><body onload="document.getElementById('command').focus()">
<h1>YosysJS Example Application #01</h1>
<table width="100%"><tr><td><div id="tabs"></div></td><td align="right"><tt>[ <span onclick="load_example()">load example</span> ]</tt></td></tr></table>
- <iframe id="viz" style="display: none"><script type="text/javascript" src="viz.js"></script></iframe>
- <svg id="svg" style="display: none; position: absolute; padding: 10px; width: 100%; height: 80%;"></svg>
+ <svg id="svg" style="display: none; position: absolute; padding: 10px; width: calc(100% - 40px);"></svg>
<div><textarea id="output" style="width: 100%" rows="30" cols="100"></textarea></div>
<div id="wait" style="display: block"><br/><b><span id="waitmsg">Loading...</span></b></div>
- <div id="input" style="display: none"><form onsubmit="window.setTimeout(run_command); return false"><tt><span id="prompt">
+ <div id="input" style="display: none"><form onsubmit="window.setTimeout(run_command); return false"><br/><tt><span id="prompt">
</span></tt><input id="command" type="text" onkeydown="history(event)" style="font-family: monospace; font-weight: bold;" size="100"></form></div>
<script type='text/javascript'>
- var got_log_messages = false;
+ function print_output(text) {
+ var el = document.getElementById('output');
+ el.value += text + "\n";
+ }
+
+ YosysJS.load_viz();
+ var ys = YosysJS.create("", function() {
+ print_output(ys.print_buffer);
+
+ document.getElementById('wait').style.display = 'none';
+ document.getElementById('input').style.display = 'block';
+ document.getElementById('waitmsg').textContent = 'Waiting for yosys.js...';
+ document.getElementById('prompt').textContent = ys.prompt();
+
+ update_tabs();
+ });
+
+ ys.echo = true;
+
var history_log = [];
var history_index = 0;
var history_bak = "";
}
}
- var Module = {
- print: (function() {
- var element = document.getElementById('output');
- if (element) element.value = ''; // clear browser cache
- return function(text) {
- if (!got_log_messages) {
- window.setTimeout(startup, 50);
- got_log_messages = true;
- }
- if (element && typeof(text) != "number") {
- element.value += text + "\n";
- element.scrollTop = element.scrollHeight; // focus on bottom
- }
- };
- })(),
- printErr: (function() {
- var element = document.getElementById('output');
- if (element) element.value = ''; // clear browser cache
- return function(text) {
- if (element && typeof(text) != "number") {
- console.log(text);
- if (got_log_messages) {
- element.value += text + "\n";
- element.scrollTop = element.scrollHeight; // focus on bottom
- }
- }
- };
- })(),
- };
-
var current_file = "";
var console_messages = "";
var svg_cache = { };
function update_tabs() {
- var f, html = "", flist = FS.readdir('.');
+ var f, html = "", flist = ys.read_dir('.');
if (current_file == "") {
html += '<tt>[ <b>Console</b>';
} else {
if (current_file == "")
console_messages = document.getElementById('output').value;
else if (!/\.dot$/.test(current_file))
- FS.writeFile(current_file, document.getElementById('output').value, {encoding: 'utf8'});
+ ys.write_file(current_file, document.getElementById('output').value);
if (filename == "") {
document.getElementById('output').value = console_messages;
} else {
try {
- document.getElementById('output').value = FS.readFile(filename, {encoding: 'utf8'});
+ document.getElementById('output').value = ys.read_file(filename);
} catch (e) {
document.getElementById('output').value = "";
- FS.writeFile(filename, document.getElementById('output').value, {encoding: 'utf8'});
+ ys.write_file(filename, document.getElementById('output').value);
}
}
if (/\.dot$/.test(filename)) {
dot = document.getElementById('output').value;
- if (!(dot in svg_cache)) {
- el = document.getElementById('viz');
- svg_cache[dot] = el.contentWindow.Viz(dot, "svg");
- }
- document.getElementById('svg').innerHTML = svg_cache[dot];
+ YosysJS.dot_into_svg(dot, 'svg');
document.getElementById('svg').style.display = 'block';
document.getElementById('output').value = '';
} else {
}
function startup() {
- el = document.getElementById('viz');
- el.contentWindow.document.open();
- el.contentWindow.document.write('<script type="text/javascript" src="viz.js"></' + 'script>');
- el.contentWindow.document.close();
-
- document.getElementById('wait').style.display = 'none';
- document.getElementById('input').style.display = 'block';
- document.getElementById('waitmsg').textContent = 'Waiting for yosys.js...';
- document.getElementById('prompt').textContent = yosys_prompt();
-
- try { FS.mkdir('/work'); } catch (e) { }
- FS.chdir('/work');
-
- update_tabs();
- console.log('yosys.js loaded.');
}
function load_example() {
txt += " end\n";
txt += "endmodule\n";
txt += "\n";
- FS.writeFile('example.v', txt, {encoding: 'utf8'});
+ ys.write_file('example.v', txt);
var txt = "";
txt += "# a simple yosys.js example. run \"script example.ys\".\n";
txt += "opt\n";
txt += "show\n";
txt += "\n";
- FS.writeFile('example.ys', txt, {encoding: 'utf8'});
+ ys.write_file('example.ys', txt);
open_file('example.ys')
document.getElementById('command').focus();
}
- function yosys_command(cmd) {
- Module.ccall('run', '', ['string'], [cmd])
- }
-
- function yosys_prompt() {
- return Module.ccall('prompt', 'string', [], [])
- }
-
function run_command() {
var cmd = document.getElementById('command').value;
document.getElementById('command').value = '';
history_index = history_log.length;
var show_dot_before = "";
- try { show_dot_before = FS.readFile('show.dot', { encoding: 'utf8' }); } catch (e) { }
+ try { show_dot_before = ys.read_file('show.dot'); } catch (e) { }
open_file('');
- Module.print(yosys_prompt() + cmd);
document.getElementById('wait').style.display = 'block';
document.getElementById('input').style.display = 'none';
function run_command_bh() {
try {
- yosys_command(cmd);
+ ys.run(cmd);
} catch (e) {
- Module.print('Caught JavaScript exception. (see JavaScript console for details.)');
+ ys.write('Caught JavaScript exception. (see JavaScript console for details.)');
console.log(e);
}
+ print_output(ys.print_buffer);
document.getElementById('wait').style.display = 'none';
document.getElementById('input').style.display = 'block';
- document.getElementById('prompt').textContent = yosys_prompt();
+ document.getElementById('prompt').textContent = ys.prompt();
var show_dot_after = "";
- try { show_dot_after = FS.readFile('show.dot', { encoding: 'utf8' }); } catch (e) { }
+ try { show_dot_after = ys.read_file('show.dot'); } catch (e) { }
if (show_dot_before != show_dot_after)
open_file('show.dot');
return false;
}
</script>
- <script async type="text/javascript" src="yosys.js"></script>
</body></html>
function work() {
ys.write_file("input.v", document.getElementById('code').value);
ys.run('design -reset; read_verilog input.v; show -stretch');
- YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg'));
+ YosysJS.dot_into_svg(ys.read_file('show.dot'), 'svg');
document.getElementById('popup').style.visibility = 'hidden';
}
document.getElementById('popup').style.visibility = 'visible';
function work() {
ys.write_file("input.v", document.getElementById('code').value);
ys.run('design -reset; read_verilog input.v; proc; opt_clean; show -stretch');
- YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg'));
+ YosysJS.dot_into_svg(ys.read_file('show.dot'), 'svg');
document.getElementById('popup').style.visibility = 'hidden';
}
document.getElementById('popup').style.visibility = 'visible';
function work() {
ys.write_file("input.v", document.getElementById('code').value);
ys.run('design -reset; read_verilog input.v; synth -run coarse; show -stretch');
- YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg'));
+ YosysJS.dot_into_svg(ys.read_file('show.dot'), 'svg');
document.getElementById('popup').style.visibility = 'hidden';
}
document.getElementById('popup').style.visibility = 'visible';
function work() {
ys.write_file("input.v", document.getElementById('code').value);
ys.run('design -reset; read_verilog input.v; synth -run coarse; synth -run fine; show -stretch');
- YosysJS.dot_into_svg(ys.read_file('show.dot'), document.getElementById('svg'));
+ YosysJS.dot_into_svg(ys.read_file('show.dot'), 'svg');
document.getElementById('popup').style.visibility = 'hidden';
}
document.getElementById('popup').style.visibility = 'visible';
}
this.dot_into_svg = function(dot_text, svg_element) {
+ if (typeof(svg_element) == 'string')
+ svg_element = document.getElementById(svg_element);
svg_element.innerHTML = this.dot_to_svg(dot_text);
c = svg_element.firstChild;
while (c) {
}
} else {
ys.iframe_element = document.createElement('iframe');
+ ys.iframe_element.style.display = 'none';
document.body.appendChild(ys.iframe_element);
}
- var return_buffer = "";
- var last_line_empty = false;
+ ys.print_buffer = "";
+ ys.last_line_empty = false;
+ ys.got_normal_log_message = false;
+ ys.window = ys.iframe_element.contentWindow;
- var win = ys.iframe_element.contentWindow;
- var doc = ys.iframe_element.contentWindow.document;
- var mod = ys.iframe_element.contentWindow.Module = {
+ var doc = ys.window.document;
+ var mod = ys.window.Module = {
print: function(text) {
- return_buffer += text + "\n";
+ if (typeof(text) == 'number')
+ return;
+ ys.print_buffer += text + "\n";
+ ys.got_normal_log_message = true;
if (ys.verbose) {
- last_line_empty = text == "";
+ ys.last_line_empty = text == "";
span = doc.createElement('span');
span.textContent = text + "\n";
span.style.fontFamily = 'monospace';
span.style.whiteSpace = 'pre';
doc.body.appendChild(span);
- win.scrollTo(0, doc.body.scrollHeight)
+ ys.window.scrollTo(0, doc.body.scrollHeight)
}
ys.ready = true;
},
printErr: function(text) {
- return_buffer += text + "\n";
- last_line_empty = text == "";
- span = doc.createElement('span');
- span.textContent = text + "\n";
- span.style.fontFamily = 'monospace';
- span.style.whiteSpace = 'pre';
- span.style.color = 'red';
- doc.body.appendChild(span);
- win.scrollTo(0, doc.body.scrollHeight)
+ if (typeof(text) == 'number')
+ return;
+ if (ys.got_normal_log_message) {
+ ys.print_buffer += text + "\n";
+ ys.last_line_empty = text == "";
+ span = doc.createElement('span');
+ span.textContent = text + "\n";
+ span.style.fontFamily = 'monospace';
+ span.style.whiteSpace = 'pre';
+ span.style.color = 'red';
+ doc.body.appendChild(span);
+ ys.window.scrollTo(0, doc.body.scrollHeight)
+ } else {
+ console.log(text);
+ }
},
};
ys.write = function(text) {
- last_line_empty = text == "";
+ ys.print_buffer += text + "\n";
+ ys.last_line_empty = text == "";
span = doc.createElement('span');
span.textContent = text + "\n";
span.style.fontFamily = 'monospace';
span.style.whiteSpace = 'pre';
doc.body.appendChild(span);
- win.scrollTo(0, doc.body.scrollHeight)
+ ys.window.scrollTo(0, doc.body.scrollHeight)
}
ys.prompt = function() {
}
ys.run = function(cmd) {
- return_buffer = "";
+ ys.print_buffer = "";
if (ys.echo) {
- if (!last_line_empty)
+ if (!ys.last_line_empty)
ys.write("");
ys.write(ys.prompt() + cmd);
}
mod.ccall('run', '', ['string'], [cmd]);
- return return_buffer;
+ return ys.print_buffer;
}
ys.read_file = function(filename) {
- return win.FS.readFile(filename, {encoding: 'utf8'});
+ return ys.window.FS.readFile(filename, {encoding: 'utf8'});
}
ys.write_file = function(filename, text) {
- return win.FS.writeFile(filename, text, {encoding: 'utf8'});
+ return ys.window.FS.writeFile(filename, text, {encoding: 'utf8'});
}
ys.read_dir = function(dirname) {
- return win.FS.readdir(dirname);
+ return ys.window.FS.readdir(dirname);
}
el = doc.createElement('script');
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