forked from drone/sqlgen
/
parse.go
53 lines (46 loc) · 1006 Bytes
/
parse.go
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package parse
import (
"fmt"
"github.com/pkg/errors"
"go/token"
"golang.org/x/tools/go/packages"
"os"
"strings"
)
var PrintAST = false
var Debug = false
var depth = 0
func Parse(paths []string) (PackageStore, error) {
fset := token.NewFileSet()
cfg := &packages.Config{
Mode: packages.NeedName | packages.NeedImports | packages.NeedDeps | packages.NeedSyntax | packages.NeedTypes,
Fset: fset,
}
pkgs, err := packages.Load(cfg, paths...)
if err != nil {
return nil, err
}
pStore := make(PackageStore)
for _, pkg := range pkgs {
if len(pkg.Errors) > 0 {
for _, e := range pkg.Errors {
fmt.Fprintf(os.Stderr, "%v\n", e)
}
return nil, errors.New("Failed due syntax errors.")
}
pStore[pkg.Name] = PackageGroup{
Pkg: pkg.Types,
Files: pkg.Syntax,
}
}
return pStore, nil
}
func DevInfo(format string, args ...interface{}) {
if Debug {
in := strings.Repeat(" ", depth*2)
fmt.Fprintf(os.Stdout, in+format, args...)
}
}
func lessDeep() {
depth -= 1
}