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Add support for Alpha_&_Omega const (LTSpice support) #167

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Merged
merged 2 commits into from
Jan 9, 2025
Merged

Add support for Alpha_&_Omega const (LTSpice support) #167

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f73f9fa
Add support for Alpha_&_Omega
marcin-golebiowski Jan 9, 2025
b6de01f
Simpify
marcin-golebiowski Jan 9, 2025
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5 changes: 3 additions & 2 deletions src/SpiceSharpParser/Lexers/Expressions/Lexer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@
{
Type = TokenType.Power;
Continue();
}

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break;
case '/': Type = TokenType.Divide; Continue(); break;
case '%': Type = TokenType.Mod; Continue(); break;
Expand All @@ -107,7 +107,7 @@
{
Type = TokenType.NotEquals;
Continue();
}

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break;
case ',': Type = TokenType.Comma; Continue(); break;
case '<':
Expand Down Expand Up @@ -198,14 +198,15 @@
number >= 'A' && number <= 'Z'))
Continue();
break;
case char letter when letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <= 'Z' || letter == '_':
case char letter when letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <= 'Z':
Type = TokenType.Identifier;
Continue();
while ((Index < _expression.Length) && ((
letter = _expression[Index]) >= 'a' && letter <= 'z' ||
letter >= 'A' && letter <= 'Z' ||
letter >= '0' && letter <= '9' ||
letter == '_'))
letter == '_' ||
letter == '&'))
Continue();
break;

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2 changes: 1 addition & 1 deletion src/SpiceSharpParser/Lexers/Netlist/Spice/SpiceLexer.cs
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Expand Up @@ -60,7 +60,7 @@ private void BuildGrammar()
{
var builder = new LexerGrammarBuilder<SpiceLexerState>();
builder.AddRegexRule(new LexerInternalRule("LETTER", "[a-zA-Zµ]"));
builder.AddRegexRule(new LexerInternalRule("CHARACTER", @"[a-zA-Z0-9\-\+§µ]"));
builder.AddRegexRule(new LexerInternalRule("CHARACTER", @"[a-zA-Z0-9\-\+§µ_&]"));
builder.AddRegexRule(new LexerInternalRule("DIGIT", "[0-9]"));
builder.AddRegexRule(new LexerInternalRule("SPECIAL", @"[\/\\_\.:%!\#\-;\<\>\^\*\[\]]"));
builder.AddRegexRule(new LexerTokenRule<SpiceLexerState>(
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1 change: 1 addition & 0 deletions src/SpiceSharpParser/ModelReaders/Netlist/Spice/Evaluation/SpiceEvaluationContext.cs
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Expand Up @@ -79,6 +79,7 @@ private void CreateSpiceParameters()
Parameters.Add("c", new ConstantExpression(299792500));
Parameters.Add("boltz", new ConstantExpression(1.38062e-23));
Parameters.Add("NaN", new ConstantExpression(double.NaN));
Parameters.Add("Alpha_&_Omega", new ConstantExpression(double.PositiveInfinity));
}
}
}
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