X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fsourcemap.cpp;fp=source%2Fglsl%2Fsourcemap.cpp;h=e74f1b67408367ab2ff2a3a28c6381b6aa54656e;hb=9d798ac368bfd236a7632a3a15e51bd1112ea63d;hp=0000000000000000000000000000000000000000;hpb=af00eefb3f7da48ec4038357035980c31cbcb685;p=libs%2Fgl.git

diff --git a/source/glsl/sourcemap.cpp b/source/glsl/sourcemap.cpp
new file mode 100644
index 00000000..e74f1b67
--- /dev/null
+++ b/source/glsl/sourcemap.cpp
@@ -0,0 +1,84 @@
+#include <msp/strings/format.h>
+#include <msp/strings/regex.h>
+#include <msp/strings/utils.h>
+#include "sourcemap.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+namespace SL {
+
+SourceMap::SourceMap():
+	base_index(0)
+{ }
+
+void SourceMap::set_name(unsigned i, const std::string &n)
+{
+	if(source_names.empty())
+		base_index = i;
+	else if(i<base_index)
+	{
+		source_names.insert(source_names.begin(), base_index-i, string());
+		base_index = i;
+	}
+	i -= base_index;
+
+	if(source_names.size()<=i)
+		source_names.resize(i+1);
+	source_names[i] = n;
+}
+
+void SourceMap::merge_from(const SourceMap &other)
+{
+	if(other.base_index<base_index)
+	{
+		source_names.insert(source_names.begin(), base_index-other.base_index, string());
+		base_index = other.base_index;
+	}
+	if(get_count()<other.get_count())
+		source_names.resize(other.get_count()-base_index);
+
+	for(unsigned i=0; i<other.source_names.size(); ++i)
+		if(!other.source_names[i].empty())
+			source_names[i+other.base_index-base_index] = other.source_names[i];
+}
+
+string SourceMap::translate_errors(const string &errors) const
+{
+	static const Regex r_message("^(([0-9]+)\\(([0-9]+)\\) :|ERROR: ([0-9]+):([0-9]+):) (.*)$");
+	vector<string> lines = split(errors, '\n');
+	string translated;
+	for(vector<string>::const_iterator i=lines.begin(); i!=lines.end(); ++i)
+	{
+		RegMatch m = r_message.match(*i);
+		if(m)
+		{
+			unsigned index = 0;
+			unsigned line = 0;
+			if(m[2])
+			{
+				index = lexical_cast<unsigned>(m[2].str);
+				line = lexical_cast<unsigned>(m[3].str);
+			}
+			else if(m[4])
+			{
+				index = lexical_cast<unsigned>(m[4].str);
+				line = lexical_cast<unsigned>(m[5].str);
+			}
+			const char *src = "<unknown>";
+			if(index<source_names.size() && !source_names[index].empty())
+				src = source_names[index].c_str();
+			translated += format("%s:%d: %s", src, line, m[6].str);
+		}
+		else
+			translated += *i;
+		translated += '\n';
+	}
+
+	return translated;
+}
+
+} // namespace SL
+} // namespace GL
+} // namespace Msp