Merge pull request #123 from A-Hilaly/graphql

Upgrade gqlgen version to 0.8.3

1 files changed, 282 insertions, 0 deletions

diff --git a/vendor/golang.org/x/tools/go/packages/golist_fallback.go b/vendor/golang.org/x/tools/go/packages/golist_fallback.go
new file mode 100644
index 00000000..331bb655
--- /dev/null
+++ b/vendor/golang.org/x/tools/go/packages/golist_fallback.go
@@ -0,0 +1,282 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package packages
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"go/build"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+
+	"golang.org/x/tools/go/internal/cgo"
+)
+
+// TODO(matloob): Delete this file once Go 1.12 is released.
+
+// This file provides backwards compatibility support for
+// loading for versions of Go earlier than 1.10.4. This support is meant to
+// assist with migration to the Package API until there's
+// widespread adoption of these newer Go versions.
+// This support will be removed once Go 1.12 is released
+// in Q1 2019.
+
+func golistDriverFallback(cfg *Config, words ...string) (*driverResponse, error) {
+	original, deps, err := getDeps(cfg, words...)
+	if err != nil {
+		return nil, err
+	}
+
+	var tmpdir string // used for generated cgo files
+
+	var response driverResponse
+	addPackage := func(p *jsonPackage) {
+		if p.Name == "" {
+			return
+		}
+
+		id := p.ImportPath
+		isRoot := original[id] != nil
+		pkgpath := id
+
+		if pkgpath == "unsafe" {
+			p.GoFiles = nil // ignore fake unsafe.go file
+		}
+
+		importMap := func(importlist []string) map[string]*Package {
+			importMap := make(map[string]*Package)
+			for _, id := range importlist {
+
+				if id == "C" {
+					for _, path := range []string{"unsafe", "syscall", "runtime/cgo"} {
+						if pkgpath != path && importMap[path] == nil {
+							importMap[path] = &Package{ID: path}
+						}
+					}
+					continue
+				}
+				importMap[vendorlessPath(id)] = &Package{ID: id}
+			}
+			return importMap
+		}
+		compiledGoFiles := absJoin(p.Dir, p.GoFiles)
+		// Use a function to simplify control flow. It's just a bunch of gotos.
+		var cgoErrors []error
+		processCgo := func() bool {
+			// Suppress any cgo errors. Any relevant errors will show up in typechecking.
+			// TODO(matloob): Skip running cgo if Mode < LoadTypes.
+			if tmpdir == "" {
+				if tmpdir, err = ioutil.TempDir("", "gopackages"); err != nil {
+					cgoErrors = append(cgoErrors, err)
+					return false
+				}
+			}
+			outdir := filepath.Join(tmpdir, strings.Replace(p.ImportPath, "/", "_", -1))
+			if err := os.Mkdir(outdir, 0755); err != nil {
+				cgoErrors = append(cgoErrors, err)
+				return false
+			}
+			files, _, err := runCgo(p.Dir, outdir, cfg.Env)
+			if err != nil {
+				cgoErrors = append(cgoErrors, err)
+				return false
+			}
+			compiledGoFiles = append(compiledGoFiles, files...)
+			return true
+		}
+		if len(p.CgoFiles) == 0 || !processCgo() {
+			compiledGoFiles = append(compiledGoFiles, absJoin(p.Dir, p.CgoFiles)...) // Punt to typechecker.
+		}
+		if isRoot {
+			response.Roots = append(response.Roots, id)
+		}
+		response.Packages = append(response.Packages, &Package{
+			ID:              id,
+			Name:            p.Name,
+			GoFiles:         absJoin(p.Dir, p.GoFiles, p.CgoFiles),
+			CompiledGoFiles: compiledGoFiles,
+			OtherFiles:      absJoin(p.Dir, otherFiles(p)...),
+			PkgPath:         pkgpath,
+			Imports:         importMap(p.Imports),
+			// TODO(matloob): set errors on the Package to cgoErrors
+		})
+		if cfg.Tests {
+			testID := fmt.Sprintf("%s [%s.test]", id, id)
+			if len(p.TestGoFiles) > 0 || len(p.XTestGoFiles) > 0 {
+				if isRoot {
+					response.Roots = append(response.Roots, testID)
+				}
+				response.Packages = append(response.Packages, &Package{
+					ID:              testID,
+					Name:            p.Name,
+					GoFiles:         absJoin(p.Dir, p.GoFiles, p.CgoFiles, p.TestGoFiles),
+					CompiledGoFiles: append(compiledGoFiles, absJoin(p.Dir, p.TestGoFiles)...),
+					OtherFiles:      absJoin(p.Dir, otherFiles(p)...),
+					PkgPath:         pkgpath,
+					Imports:         importMap(append(p.Imports, p.TestImports...)),
+					// TODO(matloob): set errors on the Package to cgoErrors
+				})
+				if len(p.XTestGoFiles) > 0 {
+					xtestID := fmt.Sprintf("%s_test [%s.test]", id, id)
+					if isRoot {
+						response.Roots = append(response.Roots, xtestID)
+					}
+					for i, imp := range p.XTestImports {
+						if imp == p.ImportPath {
+							p.XTestImports[i] = testID
+							break
+						}
+					}
+					response.Packages = append(response.Packages, &Package{
+						ID:              xtestID,
+						Name:            p.Name + "_test",
+						GoFiles:         absJoin(p.Dir, p.XTestGoFiles),
+						CompiledGoFiles: absJoin(p.Dir, p.XTestGoFiles),
+						PkgPath:         pkgpath,
+						Imports:         importMap(p.XTestImports),
+					})
+				}
+			}
+		}
+	}
+
+	for _, pkg := range original {
+		addPackage(pkg)
+	}
+	if cfg.Mode < LoadImports || len(deps) == 0 {
+		return &response, nil
+	}
+
+	buf, err := golist(cfg, golistArgsFallback(cfg, deps))
+	if err != nil {
+		return nil, err
+	}
+
+	// Decode the JSON and convert it to Package form.
+	for dec := json.NewDecoder(buf); dec.More(); {
+		p := new(jsonPackage)
+		if err := dec.Decode(p); err != nil {
+			return nil, fmt.Errorf("JSON decoding failed: %v", err)
+		}
+
+		addPackage(p)
+	}
+
+	return &response, nil
+}
+
+// vendorlessPath returns the devendorized version of the import path ipath.
+// For example, VendorlessPath("foo/bar/vendor/a/b") returns "a/b".
+// Copied from golang.org/x/tools/imports/fix.go.
+func vendorlessPath(ipath string) string {
+	// Devendorize for use in import statement.
+	if i := strings.LastIndex(ipath, "/vendor/"); i >= 0 {
+		return ipath[i+len("/vendor/"):]
+	}
+	if strings.HasPrefix(ipath, "vendor/") {
+		return ipath[len("vendor/"):]
+	}
+	return ipath
+}
+
+// getDeps runs an initial go list to determine all the dependency packages.
+func getDeps(cfg *Config, words ...string) (originalSet map[string]*jsonPackage, deps []string, err error) {
+	buf, err := golist(cfg, golistArgsFallback(cfg, words))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	depsSet := make(map[string]bool)
+	originalSet = make(map[string]*jsonPackage)
+	var testImports []string
+
+	// Extract deps from the JSON.
+	for dec := json.NewDecoder(buf); dec.More(); {
+		p := new(jsonPackage)
+		if err := dec.Decode(p); err != nil {
+			return nil, nil, fmt.Errorf("JSON decoding failed: %v", err)
+		}
+
+		originalSet[p.ImportPath] = p
+		for _, dep := range p.Deps {
+			depsSet[dep] = true
+		}
+		if cfg.Tests {
+			// collect the additional imports of the test packages.
+			pkgTestImports := append(p.TestImports, p.XTestImports...)
+			for _, imp := range pkgTestImports {
+				if depsSet[imp] {
+					continue
+				}
+				depsSet[imp] = true
+				testImports = append(testImports, imp)
+			}
+		}
+	}
+	// Get the deps of the packages imported by tests.
+	if len(testImports) > 0 {
+		buf, err = golist(cfg, golistArgsFallback(cfg, testImports))
+		if err != nil {
+			return nil, nil, err
+		}
+		// Extract deps from the JSON.
+		for dec := json.NewDecoder(buf); dec.More(); {
+			p := new(jsonPackage)
+			if err := dec.Decode(p); err != nil {
+				return nil, nil, fmt.Errorf("JSON decoding failed: %v", err)
+			}
+			for _, dep := range p.Deps {
+				depsSet[dep] = true
+			}
+		}
+	}
+
+	for orig := range originalSet {
+		delete(depsSet, orig)
+	}
+
+	deps = make([]string, 0, len(depsSet))
+	for dep := range depsSet {
+		deps = append(deps, dep)
+	}
+	sort.Strings(deps) // ensure output is deterministic
+	return originalSet, deps, nil
+}
+
+func golistArgsFallback(cfg *Config, words []string) []string {
+	fullargs := []string{"list", "-e", "-json"}
+	fullargs = append(fullargs, cfg.Flags...)
+	fullargs = append(fullargs, "--")
+	fullargs = append(fullargs, words...)
+	return fullargs
+}
+
+func runCgo(pkgdir, tmpdir string, env []string) (files, displayfiles []string, err error) {
+	// Use go/build to open cgo files and determine the cgo flags, etc, from them.
+	// This is tricky so it's best to avoid reimplementing as much as we can, and
+	// we plan to delete this support once Go 1.12 is released anyways.
+	// TODO(matloob): This isn't completely correct because we're using the Default
+	// context. Perhaps we should more accurately fill in the context.
+	bp, err := build.ImportDir(pkgdir, build.ImportMode(0))
+	if err != nil {
+		return nil, nil, err
+	}
+	for _, ev := range env {
+		if v := strings.TrimPrefix(ev, "CGO_CPPFLAGS"); v != ev {
+			bp.CgoCPPFLAGS = append(bp.CgoCPPFLAGS, strings.Fields(v)...)
+		} else if v := strings.TrimPrefix(ev, "CGO_CFLAGS"); v != ev {
+			bp.CgoCFLAGS = append(bp.CgoCFLAGS, strings.Fields(v)...)
+		} else if v := strings.TrimPrefix(ev, "CGO_CXXFLAGS"); v != ev {
+			bp.CgoCXXFLAGS = append(bp.CgoCXXFLAGS, strings.Fields(v)...)
+		} else if v := strings.TrimPrefix(ev, "CGO_LDFLAGS"); v != ev {
+			bp.CgoLDFLAGS = append(bp.CgoLDFLAGS, strings.Fields(v)...)
+		}
+	}
+	return cgo.Run(bp, pkgdir, tmpdir, true)
+}