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Use backend interface for expression statements.

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* go-gcc.cc (Gcc_backend::expression_statement): New function.

From-SVN: r172051
This commit is contained in:
Ian Lance Taylor 2011-04-06 15:30:20 +00:00 • committed by Ian Lance Taylor
parent 763ea608b4
commit cfebcf30ea
4 changed files with 32 additions and 2 deletions
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4
gcc/go/ChangeLog
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@ -1,3 +1,7 @@
2011-04-06 Ian Lance Taylor <iant@google.com>
* go-gcc.cc (Gcc_backend::expression_statement): New function.
2011-04-04 Ian Lance Taylor <iant@google.com>
* go-gcc.c (class Blabel): Define.

12
gcc/go/go-gcc.cc
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@ -166,6 +166,9 @@ class Gcc_backend : public Backend
// Statements.
Bstatement*
expression_statement(Bexpression*);
Bstatement*
assignment_statement(Bexpression* lhs, Bexpression* rhs, source_location);
@ -206,6 +209,15 @@ get_identifier_from_string(const std::string& str)
{
return get_identifier_with_length(str.data(), str.length());
}
// An expression as a statement.
Bstatement*
Gcc_backend::expression_statement(Bexpression* expr)
{
return this->make_statement(expr->get_tree());
}
// Assignment.
Bstatement*

4
gcc/go/gofrontend/backend.h
View file

@ -107,6 +107,10 @@ class Backend
// Statements.
// Create an expression statement.
virtual Bstatement*
expression_statement(Bexpression*) = 0;
// Create an assignment statement.
virtual Bstatement*
assignment_statement(Bexpression* lhs, Bexpression* rhs,

14
gcc/go/gofrontend/statements.cc
View file

@ -1551,8 +1551,7 @@ class Expression_statement : public Statement
do_may_fall_through() const;
tree
do_get_tree(Translate_context* context)
{ return this->expr_->get_tree(context); }
do_get_tree(Translate_context* context);
private:
Expression* expr_;
@ -1589,6 +1588,17 @@ Expression_statement::do_may_fall_through() const
return true;
}
// Convert to backend representation.
tree
Expression_statement::do_get_tree(Translate_context* context)
{
tree expr_tree = this->expr_->get_tree(context);
Bexpression* bexpr = tree_to_expr(expr_tree);
Bstatement* ret = context->backend()->expression_statement(bexpr);
return statement_to_tree(ret);
}
// Make an expression statement from an Expression.
Statement*