Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/cgo: support floating point #define macros

Browse source 
Current code doesn't support floating point #define macros.
This CL compiles floats to a object file and retrive values from it.
That approach is the same work as we've already done for integers.

Updates #18720

Change-Id: I88b7ab174d0f73bda975cf90c5aeb797961fe034
Reviewed-on: https://go-review.googlesource.com/35511
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Hiroshi Ioka 2017-01-20 08:34:18 +09:00 • committed by Ian Lance Taylor
parent 735fe51a4b
commit 89ff0b1b6b
4 changed files with 163 additions and 65 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/cmd/cgo/main.go
View file

@ -88,7 +88,7 @@ type Name struct {
Mangle string // name used in generated Go
C string // name used in C
Define string // #define expansion
Kind string // "const", "type", "var", "fpvar", "func", "not-type"
Kind string // "iconst", "fconst", "sconst", "type", "var", "fpvar", "func", "not-type"
Type *Type // the type of xxx
FuncType *FuncType
AddError bool
@ -100,6 +100,11 @@ func (n *Name) IsVar() bool {
return n.Kind == "var" || n.Kind == "fpvar"
}
// IsConst reports whether Kind is either "iconst", "fconst" or "sconst"
func (n *Name) IsConst() bool {
return n.Kind == "iconst" || n.Kind == "fconst" || n.Kind == "sconst"
}
// A ExpFunc is an exported function, callable from C.
// Such functions are identified in the Go input file
// by doc comments containing the line //export ExpName