fix consts type recognition with exprs

.github/workflows/nightly-test.yml

@@ -28,7 +28,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           path: xgo
-          ref: master
+          ref: fix-const-expr-type-recognition
 
       - name: Set up Go
         uses: actions/setup-go@v4
@@ -39,6 +39,7 @@ jobs:
         run: |
           cd xgo
           go install ./cmd/xgo
+          xgo exec --reset-instrument --log-debug go version
           xgo revision
       
       - uses: actions/checkout@v4
@@ -48,7 +49,11 @@ jobs:
 
       - name: Test pocketbase/pocketbase
         continue-on-error: true
-        run: cd pocketbase/pocketbase && xgo test -v ./...
+        run: |
+          cd pocketbase/pocketbase
+          xgo test -v ./...
+          echo $? > test-exit-code.txt
+          echo "exit code is $(cat test-exit-code.txt)"
 
       - uses: actions/checkout@v4
         with:
@@ -57,7 +62,12 @@ jobs:
 
       - name: Test gohugoio/hugo
         continue-on-error: true
-        run: cd gohugoio/hugo && xgo test -v ./...
+        run: |
+          cd gohugoio/hugo
+          xgo test -v ./...
+          echo $? > test-exit-code.txt
+          echo "exit code is $?"
+          echo "exit code is $(cat test-exit-code.txt)"
 
       - uses: actions/checkout@v4
         with:
@@ -66,5 +76,15 @@ jobs:
 
       - name: Test kubernetes/kubernetes
         continue-on-error: true
-        run: cd kubernetes/kubernetes && xgo test -v ./...
-
+        run: |
+          cd kubernetes/kubernetes 
+          xgo test -v ./...
+          echo $? > test-exit-code.txt
+          echo "exit code is $(cat test-exit-code.txt)"
+        
+      - name: Summary
+        run: |
+         echo "exit code:"
+         echo "  pocketbase/pocketbase: $(cat pocketbase/pocketbase/test-exit-code.txt)"
+         echo "  gohugoio/hugo:         $(cat gohugoio/hugo/test-exit-code.txt)"
+         echo "  kubernetes/kubernetes: $(cat kubernetes/kubernetes/test-exit-code.txt)"

CONTRIBUTING.md

@@ -25,7 +25,7 @@ go run -tags dev ./cmd/xgo help
 go test -tags dev -run TestHelloWorld -v ./test
 ```
 
-NOTE: when developing, always add `-tags dev` to tell go that we building with dev mode.
+NOTE: when developing, always add `-tags dev` to tell go that we are building in dev mode.
 
 If you want to check instrumented GOROOT, run:
 ```sh
@@ -53,7 +53,7 @@ We can also explicitly specify all expected go versions we want to pass:
 go run ./script/run-test/ --include go1.17.13 --include go1.18.10 --include go1.19.13 --include go1.20.14 --include go1.21.8 --include go1.22.1
 ```
 
-If there were testing cache, we can force the test re-run by adding a `-count=1` flag:
+If there were testing cache, we can force the test to re-run by adding a `-count=1` flag:
 ```sh
 go run ./script/run-test/ --include go1.17.13 --include go1.18.10 --include go1.19.13 --include go1.20.14 --include go1.21.8 --include go1.22.1 -count=1
 ```

cmd/xgo/patch_compiler_ast_type_check.go

@@ -305,6 +305,7 @@ var noderExprPatch = &FilePatch{
 	},
 }
 
+// /Users/xhd2015/.xgo/go-instrument-dev/go1.22.2_Us_xh_Pr_xh_xg_go_go_e9d4e1e8/go1.22.2/src/cmd/compile/internal/syntax/printer.go
 var syntaxPrinterPatch = &FilePatch{
 	FilePath: _FilePath{"src", "cmd", "compile", "internal", "syntax", "printer.go"},
 	Patches: []*Patch{
@@ -321,7 +322,7 @@ var syntaxPrinterPatch = &FilePatch{
 			p.printRawNode(n.X)
 			`,
 			CheckGoVersion: func(goVersion *goinfo.GoVersion) bool {
-				return goVersion.Major == 1 && goVersion.Minor <= 21
+				return goVersion.Major == 1 && goVersion.Minor <= 22
 			},
 		},
 	},
@@ -387,6 +388,8 @@ func patchCompilerForConstTrap(goroot string, goVersion *goinfo.GoVersion) error
 		if err != nil {
 			return err
 		}
+	}
+	if goVersion.Major == 1 && goVersion.Minor <= 22 {
 		err = syntaxPrinterPatch.Apply(goroot, goVersion)
 		if err != nil {
 			return err

cmd/xgo/runtime_gen/core/version.go

@@ -7,8 +7,8 @@ import (
 )
 
 const VERSION = "1.0.37"
-const REVISION = "63941402b67d43bbac6c7d3eb342916bff70f2a3+1"
-const NUMBER = 233
+const REVISION = "cf49f7ce9b237a85a242c245e9846294b3c8347b+1"
+const NUMBER = 234
 
 // these fields will be filled by compiler
 const XGO_VERSION = ""

cmd/xgo/version.go

@@ -3,8 +3,8 @@ package main
 import "fmt"
 
 const VERSION = "1.0.37"
-const REVISION = "63941402b67d43bbac6c7d3eb342916bff70f2a3+1"
-const NUMBER = 233
+const REVISION = "cf49f7ce9b237a85a242c245e9846294b3c8347b+1"
+const NUMBER = 234
 
 func getRevision() string {
 	revSuffix := ""

patch/syntax/vars.go

@@ -832,6 +832,19 @@ func getConstDeclValueType(expr syntax.Expr) string {
 			return "bool"
 		}
 		// NOTE: nil is not a constant
+	case *syntax.Operation:
+		// binary operation
+		if isBoolOp(expr.Op) {
+			return "bool"
+		}
+		if expr.X != nil {
+			return getConstDeclValueType(expr.X)
+		}
+		if expr.Y != nil {
+			return getConstDeclValueType(expr.Y)
+		}
+	case *syntax.ParenExpr:
+		return getConstDeclValueType(expr.X)
 	}
 	return ""
 }

runtime/core/version.go

@@ -7,8 +7,8 @@ import (
 )
 
 const VERSION = "1.0.37"
-const REVISION = "63941402b67d43bbac6c7d3eb342916bff70f2a3+1"
-const NUMBER = 233
+const REVISION = "cf49f7ce9b237a85a242c245e9846294b3c8347b+1"
+const NUMBER = 234
 
 // these fields will be filled by compiler
 const XGO_VERSION = ""

runtime/test/bugs/hugoio/hugio_math.go

@@ -0,0 +1,13 @@
+package hugoio
+
+const (
+	bias  = 1023
+	shift = 64 - 11 - 1
+)
+
+func round(x float64) {
+	var e uint
+
+	if e < bias+shift {
+	}
+}

runtime/test/bugs/hugoio/hugio_math_test.go

@@ -0,0 +1,9 @@
+// see https://github.com/xhd2015/xgo/issues/142#issuecomment-2128262593
+
+package hugoio
+
+import "testing"
+
+func TestRound(t *testing.T) {
+	round(0)
+}

runtime/test/bugs/pocketbase/pocketbase_schema.go

@@ -0,0 +1,15 @@
+// see https://github.com/xhd2015/xgo/issues/142
+package pocketbase
+
+const DefaultDateLayout = "2006-01-02 15:04:05.000Z"
+
+// from https://github.com/pocketbase/pocketbase/blob/4937acb3e2685273998506b715e2b54e33174172/models/schema/schema_field.go#L591
+func chainedConst() {
+	// the problem only appears when chained const with
+	// following call with arg
+	wrap(DefaultDateLayout).Min(nil)
+}
+
+func wrap(e string) interface{ Min(t interface{}) } {
+	return nil
+}

runtime/test/debug/debug_test.go

@@ -5,25 +5,12 @@
 
 package debug
 
-import (
-	"testing"
+const DefaultDateLayout = "2006-01-02 15:04:05.000Z"
 
-	"github.com/xhd2015/xgo/runtime/mock"
-	"github.com/xhd2015/xgo/runtime/test/mock_var/sub"
-)
-
-var c sub.Mapping = sub.Mapping{
-	1: "hello",
+func chainedConst() {
+	wrap(DefaultDateLayout).Min(nil)
 }
 
-func TestThirdPartyTypeMethodVar(t *testing.T) {
-	mock.Patch(&c, func() sub.Mapping {
-		return sub.Mapping{
-			1: "mock",
-		}
-	})
-	txt := c.Get(1)
-	if txt != "mock" {
-		t.Fatalf("expect c[1] to be %s, actual: %s", "mock", txt)
-	}
+func wrap(e string) interface{ Min(t interface{}) } {
+	return nil
 }

script/download-go/main.go

@@ -128,7 +128,7 @@ func downloadGo(cmd string, version string) error {
 			return err
 		}
 
-		goTmpDir, err := os.MkdirTemp("", "go")
+		goTmpDir, err := os.MkdirTemp(".", "go")
 		if err != nil {
 			return err
 		}

script/run-test/main.go

@@ -97,6 +97,12 @@ var extraSubTests = []*TestCase{
 		dir:   "runtime/test/trap_stdlib_any",
 		flags: []string{"--trap-stdlib"},
 	},
+	{
+		// see https://github.com/xhd2015/xgo/issues/142
+		name:  "bugs_regression",
+		dir:   "runtime/test/bugs",
+		flags: []string{"./..."},
+	},
 }
 
 func main() {