From db51a874964b038c69f1336a8a659ae40471e26b Mon Sep 17 00:00:00 2001
From: Andreas Stöckel <astoecke@techfak.uni-bielefeld.de>
Date: Sun, 18 Jan 2015 13:46:06 +0100
Subject: Implemented storing locations in the ParserStack, improved parsing
 typesystems

---
 src/core/parser/ParserStack.hpp | 41 ++++++++++++++++++++++++++++-------------
 1 file changed, 28 insertions(+), 13 deletions(-)

(limited to 'src/core/parser/ParserStack.hpp')

diff --git a/src/core/parser/ParserStack.hpp b/src/core/parser/ParserStack.hpp
index 43d6529..aa196e7 100644
--- a/src/core/parser/ParserStack.hpp
+++ b/src/core/parser/ParserStack.hpp
@@ -85,6 +85,11 @@ struct HandlerData {
 	 */
 	const bool isChild;
 
+	/**
+	 * Current source code location.
+	 */
+	const SourceLocation location;
+
 	/**
 	 * Constructor of the HandlerData class.
 	 *
@@ -94,14 +99,16 @@ struct HandlerData {
 	 * @param parentState is the state of the parent command.
 	 * @param isChild specifies whether this handler was called not for the
 	 * command that was specified in the state machine but a child command.
+	 * @param location is the location at which the handler is created.
 	 */
 	HandlerData(const ParserContext &ctx, std::string name, State state,
-	            State parentState, bool isChild)
+	            State parentState, bool isChild, const SourceLocation location)
 	    : ctx(ctx),
 	      name(std::move(name)),
 	      state(state),
 	      parentState(parentState),
-	      isChild(isChild){};
+	      isChild(isChild),
+	      location(location){};
 };
 
 /**
@@ -123,28 +130,29 @@ public:
 	 * @param data is a structure containing all data being passed to the
 	 * handler.
 	 */
-	Handler(const HandlerData &handlerData) : handlerData(handlerData) {};
+	Handler(const HandlerData &handlerData) : handlerData(handlerData){};
 
 	/**
 	 * Virtual destructor.
 	 */
 	virtual ~Handler(){};
 
-	
-	const std::string& name() {return handlerData.name;}
+	const std::string &name() { return handlerData.name; }
 
-	Scope &scope() {return handlerData.ctx.scope;}
+	Scope &scope() { return handlerData.ctx.scope; }
 
-	Registry &registry() {return handlerData.ctx.registry;}
+	Registry &registry() { return handlerData.ctx.registry; }
 
 	Manager &manager() { return handlerData.ctx.manager; }
 
 	Logger &logger() { return handlerData.ctx.logger; }
 
-	State state() {return handlerData.state; }
+	State state() { return handlerData.state; }
 
 	State parentState() { return handlerData.parentState; }
 
+	SourceLocation location() { return handlerData.location; }
+
 	bool isChild() { return handlerData.isChild; }
 
 	/**
@@ -279,7 +287,8 @@ struct HandlerDescriptor {
 	 */
 	HandlerInstance create(const ParserContext &ctx, std::string name,
 	                       State parentState, bool isChild,
-	                       Variant::mapType &args) const;
+	                       Variant::mapType &args,
+	                       const SourceLocation &location) const;
 };
 
 /**
@@ -294,9 +303,9 @@ private:
 	ParserContext &ctx;
 
 	/**
-	 * User specified data that will be passed to all handlers.
+	 * Current location in the source code.
 	 */
-	void *userData;
+	SourceLocation location;
 
 	/**
 	 * Map containing all registered command names and the corresponding
@@ -369,16 +378,22 @@ public:
 	 *
 	 * @param name is the name of the command.
 	 * @param args is a map from strings to variants (argument name and value).
+	 * @param location is the location in the source file at which the command
+	 * starts.
 	 */
-	void start(std::string name, Variant::mapType &args);
+	void start(std::string name, Variant::mapType &args,
+	           const SourceLocation &location = SourceLocation{});
 
 	/**
 	 * Function that should be called whenever a new command starts.
 	 *
 	 * @param name is the name of the command.
 	 * @param args is a map from strings to variants (argument name and value).
+	 * @param location is the location in the source file at which the command
+	 * starts.
 	 */
-	void start(std::string name, const Variant::mapType &args);
+	void start(std::string name, const Variant::mapType &args,
+	           const SourceLocation &location = SourceLocation{});
 
 	/**
 	 * Function called whenever a command ends.
-- 
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