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Estimated hours taken: 4 Branches: main Divide the old 4100, 2900 and 4600 line modules ml_code_gen.m, ml_code_util.m and modes.m into smaller, more cohesive modules. In the process, put related predicates next to each other. There are no algorithmic changes. compiler/ml_proc_gen.m: New module that looks after code generation tasks that affect a procedure as a whole. Its code is taken from the old ml_code_gen.m. Analogous to proc_gen.m, which does the same job for the LLDS backend. compiler/ml_foreign_proc_gen.m: New module that generates code for foreign_proc goals. Its code is taken from the old ml_code_gen.m. Analogous to pragma_c_gen.m in the LLDS backend. compiler/ml_commit_gen.m: New module that generates code for commit goals. Its code is taken from the old ml_code_gen.m. Analogous to commit_gen.m in the LLDS backend. compiler/ml_gen_info.m: New module that encapsulates the ml_gen_info structure. Its code is taken from the old ml_code_util.m. Analogous to code_info.m in the LLDS backend. compiler/ml_accurate_gc.m: New module that generates the data and goals needed for accurate gc. Its code is taken from the old ml_code_util.m. compiler/ml_call_gen.m: compiler/ml_closure_gen.m: Move some predicates that are used by other modules of the MLDS backend to ml_code_util, in order to avoid otherwise unneeded dependencies. compiler/mode_util.m: Move a predicate here from ml_code_util.m, since it is needed by several MLDS backend modules but is not MLDS specific. compiler/ml_code_gen.m: Remove the code moved to other modules. Delete an old note about a problem fixed long ago. compiler/ml_code_util.m: Remove the code moved to other modules. Add the code moved here from other modules. compiler/modecheck_conj.m: New module that handles mode analysis of conjunctions. Its code is taken from the old modes.m. compiler/modecheck_goal.m: New module that handles mode analysis of most types of goals, except conjunctions, unifications and calls. Its code is taken from the old modes.m. compiler/modecheck_util.m: New module containing utility predicates used more one of the modules do mode analysis. Its code is taken from the old modes.m. compiler/mode_util.m: Move a predicate here from modes.m, since this is where a related predicate already is. Give a predicate a more meaningful name. compiler/goal_util.m: Move a predicate here from modes.m, since this is where a related predicate already is. compiler/modes.m: Remove the code moved to other modules. compiler/ml_backend.m: compiler/check_hlds.m: Add the new modules. compiler/notes/compiler_design.html: Document the new modules. compiler/prog_data.m: Give some function symbols disambiguating prefixes. compiler/add_solver.m: compiler/deforest.m: compiler/make_hlds_passes.m: compiler/mercury_compile.m: compiler/ml_lookup_switch.m: compiler/ml_simplify_switch.m: compiler/ml_string.m: compiler/ml_switch_gen.m: compiler/ml_tag_switch.m: compiler/ml_unify_gen.m: compiler/modecheck_call.m: compiler/modecheck_unify.m: compiler/prog_io_type_defn.m: compiler/rtti_to_mlds.m: compiler/type_ctor_info.m: compiler/unify_proc.m: Conform to the changes above.
Mercury 0.13 may not work on Solaris 10 (SunOS 5.10) due to incompatibilities with the version of Boehm GC shipped with that version of Mercury. (The above problem has been fixed in post-0.13 versions of Mercury.) Also, note that `--linkage static' is not supported on Solaris. Executables produced using this option will cause a segmentation fault.