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<!doctype html>
<title>CodeMirror: Verilog/SystemVerilog mode</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../../doc/docs.css">
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<ul>
<li><a href="../../index.html">Home</a>
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<ul>
<li><a href="../index.html">Language modes</a>
<li><a class=active href="#">Verilog/SystemVerilog</a>
</ul>
</div>
<article>
<h2>SystemVerilog mode</h2>
<div><textarea id="code" name="code">
// Literals
1'b0
1'bx
1'bz
16'hDC78
'hdeadbeef
'b0011xxzz
1234
32'd5678
3.4e6
-128.7
// Macro definition
`define BUS_WIDTH = 8;
// Module definition
module block(
input clk,
input rst_n,
input [`BUS_WIDTH-1:0] data_in,
output [`BUS_WIDTH-1:0] data_out
);
always @(posedge clk or negedge rst_n) begin
if (~rst_n) begin
data_out <= 8'b0;
end else begin
data_out <= data_in;
end
if (~rst_n)
data_out <= 8'b0;
else
data_out <= data_in;
if (~rst_n)
begin
data_out <= 8'b0;
end
else
begin
data_out <= data_in;
end
end
endmodule
// Class definition
class test;
/**
* Sum two integers
*/
function int sum(int a, int b);
int result = a + b;
string msg = $sformatf("%d + %d = %d", a, b, result);
$display(msg);
return result;
endfunction
task delay(int num_cycles);
repeat(num_cycles) #1;
endtask
endclass
</textarea></div>
<script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true,
matchBrackets: true,
mode: {
name: "verilog",
noIndentKeywords: ["package"]
}
});
</script>
<p>
Syntax highlighting and indentation for the Verilog and SystemVerilog languages (IEEE 1800).
<h2>Configuration options:</h2>
<ul>
<li><strong>noIndentKeywords</strong> - List of keywords which should not cause identation to increase. E.g. ["package", "module"]. Default: None</li>
</ul>
</p>
<p><strong>MIME types defined:</strong> <code>text/x-verilog</code> and <code>text/x-systemverilog</code>.</p>
</article>