[Test] public void SrcStack()
{
const string str1 = "one";
const string str2 = "two";
var src1 = new StringSrc(str1);
var src2 = new StringSrc(str2);
var stack = new SrcStack(src1);
for (int i = 0; i != 2; ++i, stack.Next())
{
Assert.Equal(str1[i], stack.Peek);
}
stack.Push(src2);
for (int i = 0; i != 3; ++i, stack.Next())
{
Assert.Equal(str2[i], stack.Peek);
}
for (int i = 2; i != 3; ++i, stack.Next())
{
Assert.Equal(str1[i], stack.Peek);
}
Assert.Equal((char)0, stack.Peek);
}
public AutoComplete(string?templates = null)
{
Templates = new List <Template>();
var lookup = new TemplateLookup();
// Parse the templates
templates ??= AutoCompleteTemplates;
using var src = new StringSrc(templates);
foreach (var tok in Parse(src, true))
{
if (tok is Template template)
{
// Add 'TemplateMark' templates to the list of root-level templates
if (!template.Flags.HasFlag(ETemplateFlags.Hidden))
{
Templates.Add(template);
}
// Add the template to the lookup map from keyword to template.
// All root level templates must be unique.
if (!template.Flags.HasFlag(ETemplateFlags.RootLevelOnly))
{
lookup.Add(template.Keyword.ToLower(), template);
}
}
else
{
throw new ScriptException(Script.EResult.SyntaxError, src.Location, $"Unexpected root level token: {tok.Description}");
}
}
// Replace template references. '*!' templates can existing in 'Templates' and not in 'lookup'
foreach (var kv in lookup)
{
ReplaceTemplateReferences(kv.Value, lookup);
}
foreach (var tp in Templates)
{
ReplaceTemplateReferences(tp, lookup);
}
// Sort the top level templates to allow binary search
Templates.Sort();
}
public void StripCppComments()
{
const string str_in =
"123// comment \n" +
"456/* block */789 \n" +
"// many \n" +
"// lines \n" +
"// \"string\" \n" +
"/* \"string\" */ \n" +
"\"string \\\" /*a*/ //b\" \n" +
"/not a comment\n" +
"/*\n" +
" more lines\n" +
"*/\n" +
"/*back to*//*back*/ comment\n";
const string str_out =
"123\n" +
"456789 \n" +
"\n" +
"\n" +
"\n" +
" \n" +
"\"string \\\" /*a*/ //b\" \n" +
"/not a comment\n" +
"\n" +
" comment\n";
var src = new StringSrc(str_in);
var strip = new StripComments(src);
for (int i = 0; i != str_out.Length; ++i, strip.Next())
{
if (str_out[i] == strip.Peek)
{
continue;
}
Assert.Equal(str_out[i], strip.Peek);
}
Assert.Equal('\0', strip.Peek);
}
public void StripAsmComments()
{
const string str_in =
"; asm comments start with a ; character\r\n" +
"mov 43 2\r\n" +
"ldr $a 2 ; imaginary asm";
const string str_out =
"\r\n" +
"mov 43 2\r\n" +
"ldr $a 2 ";
var src = new StringSrc(str_in);
var strip = new StripComments(src, comment_patterns: new InComment.Patterns(";", "\r\n", "", ""));
for (int i = 0; i != str_out.Length; ++i, strip.Next())
{
if (str_out[i] == strip.Peek)
{
continue;
}
Assert.Equal(str_out[i], strip.Peek);
}
Assert.Equal('\0', strip.Peek);
}
