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Diffstat (limited to 'gcc/go/go-gcc.cc')
| -rw-r--r-- | gcc/go/go-gcc.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/go/go-gcc.cc b/gcc/go/go-gcc.cc index 025bb2b..df8c4fc 100644 --- a/gcc/go/go-gcc.cc +++ b/gcc/go/go-gcc.cc @@ -208,6 +208,16 @@ class Gcc_backend : public Backend Bexpression* zero_expression(Btype*); + Bexpression* + error_expression() + { return this->make_expression(error_mark_node); } + + Bexpression* + var_expression(Bvariable* var, Location); + + Bexpression* + indirect_expression(Bexpression* expr, bool known_valid, Location); + // Statements. Bstatement* @@ -848,6 +858,30 @@ Gcc_backend::zero_expression(Btype* btype) return tree_to_expr(ret); } +// An expression that references a variable. + +Bexpression* +Gcc_backend::var_expression(Bvariable* var, Location) +{ + tree ret = var->get_tree(); + if (ret == error_mark_node) + return this->error_expression(); + return tree_to_expr(ret); +} + +// An expression that indirectly references an expression. + +Bexpression* +Gcc_backend::indirect_expression(Bexpression* expr, bool known_valid, + Location location) +{ + tree ret = build_fold_indirect_ref_loc(location.gcc_location(), + expr->get_tree()); + if (known_valid) + TREE_THIS_NOTRAP(ret) = 1; + return tree_to_expr(ret); +} + // An expression as a statement. Bstatement* |