diff options
Diffstat (limited to 'src/include/open-axiom/InputFragment')
| -rw-r--r-- | src/include/open-axiom/InputFragment | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/include/open-axiom/InputFragment b/src/include/open-axiom/InputFragment index 63139db4..67863e44 100644 --- a/src/include/open-axiom/InputFragment +++ b/src/include/open-axiom/InputFragment @@ -36,6 +36,7 @@ #ifndef OPENAXIOM_INPUTFRAGMENT_included #define OPENAXIOM_INPUTFRAGMENT_included +#include <stdint.h> #include <vector> #include <string> #include <stack> @@ -43,7 +44,7 @@ namespace OpenAxiom { // Datatypes for locating lines and columns. using LineNumber = std::size_t; - using ColumnIndex = std::size_t; + using ColumnIndex = uint16_t; enum class LineKind : uint8_t { Ordinary, // Ordinary input line @@ -65,9 +66,11 @@ namespace OpenAxiom { }; // Cursor into a fragment. + // Note: We don't expect people to write large fragements + // either in length or in width. struct FragmentCursor { - std::size_t line; // index of a line in a fragment - std::size_t column; // column number at line. + uint16_t line; // index of a line in a fragment + uint16_t column; // column number at line. inline FragmentCursor& operator++() { ++column; @@ -92,6 +95,8 @@ namespace OpenAxiom { } }; + std::ostream& operator<<(std::ostream&, FragmentCursor); + // A program fragment is a logical line, composed of possibly // several physical lines subject to the off-side rule. As a // special case, a line ending with the underbar character |