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CParser: Define __REKO_DECOMPILER__ macro #1323

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Feb 1, 2024
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CParser: Define __REKO_DECOMPILER__ macro #1323

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5 changes: 4 additions & 1 deletion src/Core/Hll/C/CDirectiveLexer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,10 @@ public CDirectiveLexer(ParserState state, CLexer lexer)
{
this.parserState = state;
this.lexer = lexer;
this.macros = new();
this.macros = new()
{
{ "__REKO_DECOMPILER__", new () { new CToken(CTokenType.NumericLiteral, 1) } }
};
this.state = State.StartLine;
this.ifdefs = new Stack<(bool, bool)>();
this.expandedTokens = new();
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20 changes: 20 additions & 0 deletions src/UnitTests/Core/Hll/C/CDirectiveLexerTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -416,5 +416,25 @@ public void CDirectiveLexer_nested_defines()
Assert.AreEqual(CTokenType.RParen, lexer.Read().Type);
Assert.AreEqual(CTokenType.EOF, lexer.Read().Type);
}

[Test]
public void CDirectiveLexer_reko_macro()
{
Lex(
"#ifdef __REKO_DECOMPILER__\r\n" +
"# define result1 good1\r\n" +
"#else\r\n" +
"# define result1 bad1\r\n" +
"#endif\r\n" +
"#ifndef __REKO_DECOMPILER__\r\n" +
"# define result2 bad2\r\n" +
"#else\r\n" +
"# define result2 good2\r\n" +
"#endif\r\n" +
"result1 result2");
Assert.AreEqual("good1", lexer.Read().Value);
Assert.AreEqual("good2", lexer.Read().Value);
Assert.AreEqual(CTokenType.EOF, lexer.Read().Type);
}
}
}
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