Commit e592a53a authored by Kirill Smelkov's avatar Kirill Smelkov

.

parent 49274b42
......@@ -188,6 +188,7 @@ func (p *Package) parseTraceEvent(srcfile *ast.File, pos token.Position, text st
// packageTrace returns tracing information about a package
func packageTrace(prog *loader.Program, pkgi *loader.PackageInfo) (*Package, error) {
fmt.Println("package trace:", pkgi.Pkg.Path())
// prepare Package with typechecker ready to typecheck trace files
// (to get trace func argument types)
tconf := &types.Config{
......@@ -226,10 +227,11 @@ func packageTrace(prog *loader.Program, pkgi *loader.PackageInfo) (*Package, err
// go through files of the original package and process //trace: directives
for _, file := range pkgi.Files { // ast.File
fmt.Println("\tfile:", prog.Fset.Position(file.Pos()))
for _, commgroup := range file.Comments { // ast.CommentGroup
for _, comment := range commgroup.List { // ast.Comment
pos := prog.Fset.Position(comment.Slash)
//fmt.Printf("%v %q\n", pos, comment.Text)
fmt.Printf("%v %q\n", pos, comment.Text)
// only directives starting from beginning of line
if pos.Column != 1 {
......@@ -248,6 +250,7 @@ func packageTrace(prog *loader.Program, pkgi *loader.PackageInfo) (*Package, err
directive, arg := textv[0], textv[1]
switch directive {
case "//trace:event":
fmt.Println("*", textv)
event, err := p.parseTraceEvent(file, pos, arg)
if err != nil {
return nil, err
......
......@@ -132,11 +132,13 @@ func TestGoTraceGen(t *testing.T) {
GOOS: "linux",
GOROOT: runtime.GOROOT(),
GOPATH: work,
CgoEnabled: true,
Compiler: runtime.Compiler,
}
// XXX autodetect (go list ?)
testv := []string{"a/pkg1", "b/pkg2", "c/pkg3", "d/pkg4"}
//testv := []string{"a/pkg1", "b/pkg2", "c/pkg3", "d/pkg4"}
testv := []string{"a/pkg1"}
for _, tpkg := range testv {
err = tracegen(tpkg, tBuildCtx, "" /* = local imorts disabled */)
......
package pkg1
/*
#include <stdio.h>
void hello() {
printf("Hello World (from C)\n");
}
*/
import "C"
// trace event defined in a cgo file
//trace:event traceHello()
func Hello() {
traceHello()
C.hello()
}
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