int cp_gimplify_expr (tree *expr_p, tree *pre_p, tree *post_p) { int saved_stmts_are_full_exprs_p = 0; enum tree_code code = TREE_CODE (*expr_p); enum gimplify_status ret; if (STATEMENT_CODE_P (code)) { saved_stmts_are_full_exprs_p = stmts_are_full_exprs_p (); current_stmt_tree ()->stmts_are_full_exprs_p = STMT_IS_FULL_EXPR_P (*expr_p); } switch (code) { case PTRMEM_CST: *expr_p = cplus_expand_constant (*expr_p); ret = GS_OK; break; case AGGR_INIT_EXPR: simplify_aggr_init_expr (expr_p); ret = GS_OK; break; case THROW_EXPR: /* FIXME communicate throw type to backend, probably by moving THROW_EXPR into ../tree.def. */ *expr_p = TREE_OPERAND (*expr_p, 0); ret = GS_OK; break; case MUST_NOT_THROW_EXPR: gimplify_must_not_throw_expr (expr_p, pre_p); ret = GS_OK; break; /* We used to do this for MODIFY_EXPR as well, but that's unsafe; the LHS of an assignment might also be involved in the RHS, as in bug 25979. */ case INIT_EXPR: cp_gimplify_init_expr (expr_p, pre_p, post_p); ret = GS_OK; break; case EMPTY_CLASS_EXPR: /* We create an empty CONSTRUCTOR with RECORD_TYPE. */ *expr_p = build_constructor (TREE_TYPE (*expr_p), NULL); ret = GS_OK; break; case BASELINK: *expr_p = BASELINK_FUNCTIONS (*expr_p); ret = GS_OK; break; case TRY_BLOCK: genericize_try_block (expr_p); ret = GS_OK; break; case HANDLER: genericize_catch_block (expr_p); ret = GS_OK; break; case EH_SPEC_BLOCK: genericize_eh_spec_block (expr_p); ret = GS_OK; break; case USING_STMT: /* Just ignore for now. Eventually we will want to pass this on to the debugger. */ *expr_p = build_empty_stmt (); ret = GS_ALL_DONE; break; case IF_STMT: gimplify_if_stmt (expr_p); ret = GS_OK; break; case FOR_STMT: gimplify_for_stmt (expr_p, pre_p); ret = GS_ALL_DONE; break; case WHILE_STMT: gimplify_while_stmt (expr_p); ret = GS_ALL_DONE; break; case DO_STMT: gimplify_do_stmt (expr_p); ret = GS_ALL_DONE; break; case SWITCH_STMT: gimplify_switch_stmt (expr_p); ret = GS_ALL_DONE; break; case CONTINUE_STMT: *expr_p = build_bc_goto (bc_continue); ret = GS_ALL_DONE; break; case BREAK_STMT: *expr_p = build_bc_goto (bc_break); ret = GS_ALL_DONE; break; case EXPR_STMT: gimplify_expr_stmt (expr_p); ret = GS_OK; break; case UNARY_PLUS_EXPR: { tree arg = TREE_OPERAND (*expr_p, 0); tree type = TREE_TYPE (*expr_p); *expr_p = (TREE_TYPE (arg) != type) ? fold_convert (type, arg) : arg; ret = GS_OK; } break; default: ret = c_gimplify_expr (expr_p, pre_p, post_p); break; } /* Restore saved state. */ if (STATEMENT_CODE_P (code)) current_stmt_tree ()->stmts_are_full_exprs_p = saved_stmts_are_full_exprs_p; return ret; }
int cp_gimplify_expr (tree *expr_p, tree *pre_p, tree *post_p) { int saved_stmts_are_full_exprs_p = 0; enum tree_code code = TREE_CODE (*expr_p); enum gimplify_status ret; if (STATEMENT_CODE_P (code)) { saved_stmts_are_full_exprs_p = stmts_are_full_exprs_p (); current_stmt_tree ()->stmts_are_full_exprs_p = STMT_IS_FULL_EXPR_P (*expr_p); } switch (code) { case PTRMEM_CST: *expr_p = cplus_expand_constant (*expr_p); ret = GS_OK; break; case AGGR_INIT_EXPR: simplify_aggr_init_expr (expr_p); ret = GS_OK; break; case THROW_EXPR: /* FIXME communicate throw type to backend, probably by moving THROW_EXPR into ../tree.def. */ *expr_p = TREE_OPERAND (*expr_p, 0); ret = GS_OK; break; case MUST_NOT_THROW_EXPR: gimplify_must_not_throw_expr (expr_p, pre_p); ret = GS_OK; break; case INIT_EXPR: case MODIFY_EXPR: cp_gimplify_init_expr (expr_p, pre_p, post_p); ret = GS_OK; break; case EMPTY_CLASS_EXPR: /* We create an INTEGER_CST with RECORD_TYPE and value zero. */ *expr_p = build_int_cst (TREE_TYPE (*expr_p), 0); ret = GS_OK; break; case BASELINK: *expr_p = BASELINK_FUNCTIONS (*expr_p); ret = GS_OK; break; case TRY_BLOCK: genericize_try_block (expr_p); ret = GS_OK; break; case HANDLER: genericize_catch_block (expr_p); ret = GS_OK; break; case EH_SPEC_BLOCK: genericize_eh_spec_block (expr_p); ret = GS_OK; break; case USING_STMT: /* Just ignore for now. Eventually we will want to pass this on to the debugger. */ *expr_p = build_empty_stmt (); ret = GS_ALL_DONE; break; case IF_STMT: gimplify_if_stmt (expr_p); ret = GS_OK; break; default: ret = c_gimplify_expr (expr_p, pre_p, post_p); break; } /* Restore saved state. */ if (STATEMENT_CODE_P (code)) current_stmt_tree ()->stmts_are_full_exprs_p = saved_stmts_are_full_exprs_p; return ret; }