From 6f912e5a681c4b7d45f5998d47858ed9a6d7077c Mon Sep 17 00:00:00 2001
From: Robert burner Schadek <robert.schadek@informatik.uni-oldenburg.de>
Date: Fri, 30 Aug 2024 15:11:25 +0200
Subject: [PATCH] more tinkering

---
 perftest/source/app.d        | 35 ++++++++++++++++++++++++++++-------
 source/graphql/lexer.d       |  4 ++--
 source/graphql/tokenmodule.d |  9 ++++-----
 3 files changed, 34 insertions(+), 14 deletions(-)

diff --git a/perftest/source/app.d b/perftest/source/app.d
index faa08ef..5f2e989 100644
--- a/perftest/source/app.d
+++ b/perftest/source/app.d
@@ -23,11 +23,32 @@ import countvisitor;
 
 void main() {
 	string toParse = readText("schema.docs.graphql");
-	auto l = Lexer(toParse, QueryParser.no);
-	//auto l = Lexer(toParse);
-	auto p = Parser(l);
-	Document d = p.parseDocument();
-	auto cv = new CountVisitor();
-	cv.accept(d);
-	writeln(cv.countsToString());
+	foreach(i; 0 .. 50) {
+		auto l = Lexer(toParse, QueryParser.no);
+		//auto l = Lexer(toParse);
+		auto p = Parser(l);
+		Document d = p.parseDocument();
+		auto cv = new CountVisitor();
+		cv.accept(d);
+		doNotOptimizeAway(cv.countsToString());
+	}
+}
+
+void doNotOptimizeAway(T...)(auto ref T t)
+{
+    foreach (ref it; t)
+    {
+        doNotOptimizeAwayImpl(&it);
+    }
+}
+
+private void doNotOptimizeAwayImpl(void* p)
+{
+    import core.thread : getpid;
+    import std.stdio : writeln;
+
+    if (getpid() == 0)
+    {
+        writeln(p);
+    }
 }
diff --git a/source/graphql/lexer.d b/source/graphql/lexer.d
index dfae502..02f4f43 100644
--- a/source/graphql/lexer.d
+++ b/source/graphql/lexer.d
@@ -20,8 +20,8 @@ struct Lexer {
 	string input;
 	size_t stringPos;
 
-	size_t line;
-	size_t column;
+	uint line;
+	ushort column;
 
 	Token cur;
 
diff --git a/source/graphql/tokenmodule.d b/source/graphql/tokenmodule.d
index 9d2d939..2647dd2 100644
--- a/source/graphql/tokenmodule.d
+++ b/source/graphql/tokenmodule.d
@@ -50,9 +50,9 @@ enum TokenType {
 
 struct Token {
 @safe:
-	size_t line;
-	size_t column;
 	string value;
+	uint line;
+	ushort column;
 
 	TokenType type;
 
@@ -62,8 +62,8 @@ struct Token {
 
 	this(TokenType type, size_t line, size_t column) {
 		this.type = type;
-		this.line = line;
-		this.column = column;
+		this.line = cast(uint)line;
+		this.column = cast(ushort)column;
 	}
 
 	this(TokenType type, string value) {
@@ -94,4 +94,3 @@ struct Token {
 				this.value);
 	}
 }
-