From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Mon, 3 Sep 2012 19:56:12 +0000 (+0200)
Subject: made high level parser errors a bit more expressive
X-Git-Url: http://git.localhorst.tv/?a=commitdiff_plain;h=ad15762dbafd23a80ac765fd5bb114640fb0264e;hp=-c;p=l2e.git

made high level parser errors a bit more expressive
---

ad15762dbafd23a80ac765fd5bb114640fb0264e
diff --git a/src/loader/ParsedSource.cpp b/src/loader/ParsedSource.cpp
index 90498e7..c0d3a41 100644
--- a/src/loader/ParsedSource.cpp
+++ b/src/loader/ParsedSource.cpp
@@ -90,7 +90,14 @@ Definition &ParsedSource::GetDefinition(const std::string &name) {
 	if (i != definitions.end()) {
 		return *i->second;
 	} else {
-		throw runtime_error("undefined identifier " + name);
+		string msg("undefined identifier " + name);
+		map<string, Declaration *>::const_iterator i(declarations.find(name));
+		if (i != declarations.end()) {
+			msg += ", declared as " + i->second->TypeName();
+		} else {
+			msg += ", not declared";
+		}
+		throw runtime_error(msg);
 	}
 }
 
@@ -99,7 +106,14 @@ const Definition &ParsedSource::GetDefinition(const std::string &name) const {
 	if (i != definitions.end()) {
 		return *i->second;
 	} else {
-		throw runtime_error("undefined identifier " + name);
+		string msg("undefined identifier " + name);
+		map<string, Declaration *>::const_iterator i(declarations.find(name));
+		if (i != declarations.end()) {
+			msg += ", declared as " + i->second->TypeName();
+		} else {
+			msg += ", not declared";
+		}
+		throw runtime_error(msg);
 	}
 }