diff options
| author | ronny | 2001-07-18 11:11:44 +0000 |
|---|---|---|
| committer | ronny | 2001-07-18 11:11:44 +0000 |
| commit | 3562d382ff5950c5440b5b2d1a0d139b68793f78 (patch) | |
| tree | 2ddd956be729bb49ff3273742dc85b1769007e74 | |
| parent | set attributes in heap to AVI_Empty to avoid using values in the heap from pr... (diff) | |
removed unused code to detect tuple patterns for merging cases
git-svn-id: https://svn.cs.ru.nl/repos/clean-compiler/trunk@548 1f8540f1-abd5-4d5b-9d24-4c5ce8603e2d
| -rw-r--r-- | frontend/checkFunctionBodies.icl | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/frontend/checkFunctionBodies.icl b/frontend/checkFunctionBodies.icl index 7cf8307..3e060f2 100644 --- a/frontend/checkFunctionBodies.icl +++ b/frontend/checkFunctionBodies.icl @@ -528,12 +528,7 @@ checkExpression free_vars (PE_Case case_ident expr alts) e_input e_state e_info # (pattern_expr, free_vars, e_state, e_info, cs) = checkExpression free_vars expr e_input e_state e_info cs (guards, _, pattern_variables, defaul, free_vars, e_state, e_info, cs) = check_guarded_expressions free_vars alts [] case_ident.id_name e_input e_state e_info cs (pattern_expr, binds, es_expr_heap) = bind_pattern_variables pattern_variables pattern_expr e_state.es_expr_heap - -// RWS... only merge tuples for now - (tuple_type, cs) = getPredefinedGlobalSymbol (GetTupleTypeIndex 2) PD_PredefinedModule STE_Type 2 cs -// ... RWS - - (case_expr, es_var_heap, es_expr_heap, cs_error) = build_and_merge_case guards defaul pattern_expr case_ident True tuple_type e_state.es_var_heap es_expr_heap cs.cs_error + (case_expr, es_var_heap, es_expr_heap, cs_error) = build_and_merge_case guards defaul pattern_expr case_ident True e_state.es_var_heap es_expr_heap cs.cs_error cs = {cs & cs_error = cs_error} (result_expr, es_expr_heap) = buildLetExpression [] binds case_expr NoPos es_expr_heap = (result_expr, free_vars, { e_state & es_var_heap = es_var_heap, es_expr_heap = es_expr_heap }, e_info, cs) @@ -636,10 +631,7 @@ where (new_bound_var, expr_heap) = allocate_bound_var free_var expr_heap case_ident = { id_name = case_name, id_info = nilPtr } -// RWS... only merge tuples for now - (tuple_symbol, cs) = getPredefinedGlobalSymbol (GetTupleTypeIndex 2) PD_PredefinedModule STE_Type 2 cs -// ... RWS - (new_case, var_store, expr_heap, cs_error) = build_and_merge_case patterns defaul (Var new_bound_var) case_ident False tuple_symbol var_store expr_heap cs.cs_error + (new_case, var_store, expr_heap, cs_error) = build_and_merge_case patterns defaul (Var new_bound_var) case_ident False var_store expr_heap cs.cs_error cs = {cs & cs_error = cs_error} new_defaul = insert_as_default new_case result_expr @@ -667,20 +659,10 @@ where Yes defaul -> Case { kees & case_default = Yes (insert_as_default to_insert defaul)} insert_as_default _ expr = expr // checkWarning "pattern won't match" - build_and_merge_case patterns defaul expr case_ident explicit tuple_type var_heap expr_heap error_admin + build_and_merge_case patterns defaul expr case_ident explicit var_heap expr_heap error_admin # (expr, expr_heap)= build_case patterns defaul expr case_ident explicit expr_heap # (expr, var_heap, expr_heap) = share_case_expr expr var_heap expr_heap -// | is_tuple_case patterns tuple_type = merge_case expr var_heap expr_heap error_admin - // otherwise -// = (expr, var_heap, expr_heap, error_admin) - where - is_tuple_case (AlgebraicPatterns type _) tuple_type - = type.glob_module == tuple_type.glob_module - && tuple_type.glob_object.ds_index <= type.glob_object - && type.glob_object <= tuple_type.glob_object.ds_index + 30 - is_tuple_case _ _ - = False share_case_expr (Let lad=:{let_expr}) var_heap expr_heap # (let_expr, var_heap, expr_heap) = share_case_expr let_expr var_heap expr_heap |