src/HOL/SPARK/Tools/fdl_lexer.ML
2011-07-23 wenzelm 2011-07-23 defer evaluation of Scan.message, for improved performance in the frequent situation where failure is handled later (e.g. via ||);
2011-01-15 berghofe 2011-01-15 Replaced ad-hoc advance function by Position.advance
2011-01-15 berghofe 2011-01-15 Added new SPARK verification environment.