Merge pull request #189 from sinkuu/fix_analyzer_crash

Fix dub.json and analyzer crashes

analysis/pokemon.d

@@ -40,17 +40,35 @@ class PokemonExceptionCheck : BaseAnalyzer
 		lc.accept(this);
 	}
 
+	bool ignoreType = true;
+
 	override void visit(const Catch c)
 	{
-		if (c.type.type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances.length != 1)
+		ignoreType = false;
+		c.type.accept(this);
+		ignoreType = true;
+
+		c.accept(this);
+	}
+
+
+	override void visit(const Type2 type2)
+	{
+		if (ignoreType) return;
+
+		if (type2.type !is null)
 		{
-			c.accept(this);
+			type2.type.accept(this);
 			return;
 		}
-		auto identOrTemplate = c.type.type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances[0];
+
+		if (type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances.length != 1)
+		{
+			return;
+		}
+		auto identOrTemplate = type2.symbol.identifierOrTemplateChain.identifiersOrTemplateInstances[0];
 		if (identOrTemplate.templateInstance !is null)
 		{
-			c.accept(this);
 			return;
 		}
 		if (identOrTemplate.identifier.text == "Throwable"
@@ -60,7 +78,6 @@ class PokemonExceptionCheck : BaseAnalyzer
 			immutable line = identOrTemplate.identifier.line;
 			addErrorMessage(line, column, message);
 		}
-		c.accept(this);
 	}
 }
 
@@ -83,6 +100,10 @@ unittest
 			catch (Exception err) // ok
 			{
 
+			}
+			catch (shared(Exception) err) // ok
+			{
+
 			}
 			catch (Error err) // [warn]: Catching Error or Throwable is almost always a bad idea.
 			{
@@ -91,9 +112,14 @@ unittest
 			catch (Throwable err) // [warn]: Catching Error or Throwable is almost always a bad idea.
 			{
 
+			}
+			catch (shared(Error) err) // [warn]: Catching Error or Throwable is almost always a bad idea.
+			{
+
 			}
 			catch // [warn]: Catching Error or Throwable is almost always a bad idea.
 			{
+
 			}
 		}
 	}c, sac);

analysis/range.d

@@ -74,18 +74,23 @@ class BackwardsRangeCheck : BaseAnalyzer
 
 	override void visit(const PrimaryExpression primary)
 	{
+		import std.conv;
+
 		if (state == State.ignore || !isNumberLiteral(primary.primary.type))
 			return;
 		if (state == State.left)
 		{
 			line = primary.primary.line;
 			this.column = primary.primary.column;
-			left = parseNumber(primary.primary.text);
+
+			try left = parseNumber(primary.primary.text);
+			catch (ConvException e) return;
 			hasLeft = true;
 		}
 		else
 		{
-			right = parseNumber(primary.primary.text);
+			try right = parseNumber(primary.primary.text);
+			catch (ConvException e) return;
 			hasRight = true;
 		}
 	}

dub.json

@@ -1,20 +1,10 @@
 {
-    "name": "dscanner",
-    "description": "Swiss-army knife for D source code",
-    "copyright": "© Brian Schott",
-    "authors": ["Brian Schott"],
-    "importPaths": ["."],
+	"name": "dscanner",
+	"description": "Swiss-army knife for D source code",
+	"copyright": "© Brian Schott",
+	"authors": ["Brian Schott"],
 	"license" : "Boost Software License - Version 1.0",
-    "configurations": [
-        {
-            "name": "library",
-            "targetType": "library",
-            "sourcePaths": ["std"],
-        },
-        {
-            "name": "dscanner",
-            "targetType": "executable",
-            "sourcePaths": ["."],
-        },
-    ],
+	"targetType": "executable",
+	"sourcePaths": ["."],
+	"excludedSourceFiles": ["inifiled/inifiled.d", "inifiled/test.d"],
 }