1 files changed, 166 insertions, 0 deletions
diff --git a/tools/localize/SourcePos.cpp b/tools/localize/SourcePos.cpp
new file mode 100644
index 000000000000..9d7c5c65447e
--- /dev/null
+++ b/tools/localize/SourcePos.cpp
@@ -0,0 +1,166 @@
+#include "SourcePos.h"
+
+#include <stdarg.h>
+#include <set>
+
+using namespace std;
+
+const SourcePos GENERATED_POS("<generated>", -1);
+
+// ErrorPos
+// =============================================================================
+struct ErrorPos
+{
+    string file;
+    int line;
+    string error;
+
+    ErrorPos();
+    ErrorPos(const ErrorPos& that);
+    ErrorPos(const string& file, int line, const string& error);
+    ~ErrorPos();
+    bool operator<(const ErrorPos& rhs) const;
+    bool operator==(const ErrorPos& rhs) const;
+    ErrorPos& operator=(const ErrorPos& rhs);
+
+    void Print(FILE* to) const;
+};
+
+static set<ErrorPos> g_errors;
+
+ErrorPos::ErrorPos()
+{
+}
+
+ErrorPos::ErrorPos(const ErrorPos& that)
+    :file(that.file),
+     line(that.line),
+     error(that.error)
+{
+}
+
+ErrorPos::ErrorPos(const string& f, int l, const string& e)
+    :file(f),
+     line(l),
+     error(e)
+{
+}
+
+ErrorPos::~ErrorPos()
+{
+}
+
+bool
+ErrorPos::operator<(const ErrorPos& rhs) const
+{
+    if (this->file < rhs.file) return true;
+    if (this->file == rhs.file) {
+        if (this->line < rhs.line) return true;
+        if (this->line == rhs.line) {
+            if (this->error < rhs.error) return true;
+        }
+    }
+    return false;
+}
+
+bool
+ErrorPos::operator==(const ErrorPos& rhs) const
+{
+    return this->file == rhs.file
+            && this->line == rhs.line
+            && this->error == rhs.error;
+}
+
+ErrorPos&
+ErrorPos::operator=(const ErrorPos& rhs)
+{
+    this->file = rhs.file;
+    this->line = rhs.line;
+    this->error = rhs.error;
+    return *this;
+}
+
+void
+ErrorPos::Print(FILE* to) const
+{
+    if (this->line >= 0) {
+        fprintf(to, "%s:%d: %s\n", this->file.c_str(), this->line, this->error.c_str());
+    } else {
+        fprintf(to, "%s: %s\n", this->file.c_str(), this->error.c_str());
+    }
+}
+
+// SourcePos
+// =============================================================================
+SourcePos::SourcePos(const string& f, int l)
+    : file(f), line(l)
+{
+}
+
+SourcePos::SourcePos(const SourcePos& that)
+    : file(that.file), line(that.line)
+{
+}
+
+SourcePos::SourcePos()
+    : file("???", 0)
+{
+}
+
+SourcePos::~SourcePos()
+{
+}
+
+string
+SourcePos::ToString() const
+{
+    char buf[1024];
+    if (this->line >= 0) {
+        snprintf(buf, sizeof(buf)-1, "%s:%d", this->file.c_str(), this->line);
+    } else {
+        snprintf(buf, sizeof(buf)-1, "%s:", this->file.c_str());
+    }
+    buf[sizeof(buf)-1] = '\0';
+    return string(buf);
+}
+
+int
+SourcePos::Error(const char* fmt, ...) const
+{
+    int retval=0;
+    char buf[1024];
+    va_list ap;
+    va_start(ap, fmt);
+    retval = vsnprintf(buf, sizeof(buf), fmt, ap);
+    va_end(ap);
+    char* p = buf + retval - 1;
+    while (p > buf && *p == '\n') {
+        *p = '\0';
+        p--;
+    }
+    ErrorPos err(this->file, this->line, string(buf));
+    if (g_errors.find(err) == g_errors.end()) {
+        err.Print(stderr);
+        g_errors.insert(err);
+    }
+    return retval;
+}
+
+bool
+SourcePos::HasErrors()
+{
+    return g_errors.size() > 0;
+}
+
+void
+SourcePos::PrintErrors(FILE* to)
+{
+    set<ErrorPos>::const_iterator it;
+    for (it=g_errors.begin(); it!=g_errors.end(); it++) {
+        it->Print(to);
+    }
+}
+
+
+
+