example.str

&#8226 一个词法分析器,他的功能是将字符流(例如源文件)转换为记号(例如关键词,操作符等等).

// String language example
a = "The quick ";
b = "brown fox ";
s = a + b;
print s;
input c;
if (c == "jumps")  // if .. then .. else
   s = s + c;
else   {           // Compound statement
   s = s + "does not ";
   s = s + "jump";
}
s = s + " over the lazy dog"
print "s = " + s;