diff options
Diffstat (limited to 'src/cmd/compile/internal/gc/syntax.go')
| -rw-r--r-- | src/cmd/compile/internal/gc/syntax.go | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/src/cmd/compile/internal/gc/syntax.go b/src/cmd/compile/internal/gc/syntax.go index 47e5e59156..5580f789c5 100644 --- a/src/cmd/compile/internal/gc/syntax.go +++ b/src/cmd/compile/internal/gc/syntax.go @@ -141,19 +141,20 @@ const ( nodeInitorder, _ // tracks state during init1; two bits _, _ // second nodeInitorder bit _, nodeHasBreak - _, nodeNoInline // used internally by inliner to indicate that a function call should not be inlined; set for OCALLFUNC and OCALLMETH only - _, nodeImplicit // implicit OADDR or ODEREF; ++/-- statement represented as OASOP; or ANDNOT lowered to OAND - _, nodeIsDDD // is the argument variadic - _, nodeDiag // already printed error about this - _, nodeColas // OAS resulting from := - _, nodeNonNil // guaranteed to be non-nil - _, nodeTransient // storage can be reused immediately after this statement - _, nodeBounded // bounds check unnecessary - _, nodeHasCall // expression contains a function call - _, nodeLikely // if statement condition likely - _, nodeHasVal // node.E contains a Val - _, nodeHasOpt // node.E contains an Opt - _, nodeEmbedded // ODCLFIELD embedded type + _, nodeNoInline // used internally by inliner to indicate that a function call should not be inlined; set for OCALLFUNC and OCALLMETH only + _, nodeImplicit // implicit OADDR or ODEREF; ++/-- statement represented as OASOP; or ANDNOT lowered to OAND + _, nodeIsDDD // is the argument variadic + _, nodeDiag // already printed error about this + _, nodeColas // OAS resulting from := + _, nodeNonNil // guaranteed to be non-nil + _, nodeTransient // storage can be reused immediately after this statement + _, nodeBounded // bounds check unnecessary + _, nodeHasCall // expression contains a function call + _, nodeLikely // if statement condition likely + _, nodeHasVal // node.E contains a Val + _, nodeHasOpt // node.E contains an Opt + _, nodeEmbedded // ODCLFIELD embedded type + _, nodeNeedsWrapper // OCALLxxx node that needs to be wrapped ) func (n *Node) Class() Class { return Class(n.flags.get3(nodeClass)) } @@ -286,6 +287,20 @@ func (n *Node) SetIota(x int64) { n.Xoffset = x } +func (n *Node) NeedsWrapper() bool { + return n.flags&nodeNeedsWrapper != 0 +} + +// SetNeedsWrapper indicates that OCALLxxx node needs to be wrapped by a closure. +func (n *Node) SetNeedsWrapper(b bool) { + switch n.Op { + case OCALLFUNC, OCALLMETH, OCALLINTER: + default: + Fatalf("Node.SetNeedsWrapper %v", n.Op) + } + n.flags.set(nodeNeedsWrapper, b) +} + // mayBeShared reports whether n may occur in multiple places in the AST. // Extra care must be taken when mutating such a node. func (n *Node) mayBeShared() bool { |