genbindings: Lint cleanup

cmd/genbindings/clang2il.go

@@ -890,10 +890,7 @@ func parseSingleTypeString(p string) CppParameter {
 		}
 	}
 	insert.ParameterType = strings.TrimSpace(insert.ParameterType)
-
-	if strings.HasPrefix(insert.ParameterType, `::`) {
-		insert.ParameterType = insert.ParameterType[2:]
-	}
+	insert.ParameterType = strings.TrimPrefix(insert.ParameterType, "::")
 
 	return insert
 }

cmd/genbindings/config-libraries.go

@@ -42,11 +42,7 @@ func ProcessLibraries(clangBin, outDir, extraLibsDir string) {
 		func(fullpath string) bool {
 			// Only include the same json, xml, cbor files excluded above
 			fname := filepath.Base(fullpath)
-			if strings.HasPrefix(fname, "qcbor") {
-				return true
-			}
-
-			return false
+			return strings.HasPrefix(fname, "qcbor")
 		},
 		clangBin,
 		pkgConfigCflags("Qt5Core"),
@@ -156,11 +152,7 @@ func ProcessLibraries(clangBin, outDir, extraLibsDir string) {
 		func(fullpath string) bool {
 			// Only include the same json, xml, cbor files excluded above
 			fname := filepath.Base(fullpath)
-			if strings.HasPrefix(fname, "qcbor") {
-				return true
-			}
-
-			return false
+			return strings.HasPrefix(fname, "qcbor")
 		},
 		clangBin,
 		pkgConfigCflags("Qt6Core"),
@@ -189,10 +181,7 @@ func ProcessLibraries(clangBin, outDir, extraLibsDir string) {
 		},
 		func(fullpath string) bool {
 			fname := filepath.Base(fullpath)
-			if fname == "qtnetwork-config.h" {
-				return false
-			}
-			return true
+			return fname != "qtnetwork-config.h"
 		},
 		clangBin,
 		"--std=c++17 "+pkgConfigCflags("Qt6Network"),

cmd/genbindings/emitgo.go

@@ -839,7 +839,7 @@ import "C"
 	// Fixup imports
 	if len(gfs.imports) > 0 {
 		allImports := make([]string, 0, len(gfs.imports))
-		for k, _ := range gfs.imports {
+		for k := range gfs.imports {
 			if k == "libmiqt" {
 				allImports = append(allImports, `"`+BaseModule+`/libmiqt"`)
 			} else {

cmd/genbindings/intermediate.go

@@ -307,13 +307,8 @@ func (nm CppMethod) IsReceiverMethod() bool {
 }
 
 func (nm CppMethod) SafeMethodName() string {
-
-	tmp := nm.MethodName
-
 	// Strip redundant Qt prefix, we know these are all Qt functions
-	if strings.HasPrefix(tmp, "qt_") {
-		tmp = tmp[3:]
-	}
+	tmp := strings.TrimPrefix(nm.MethodName, "qt_")
 
 	// Operator-overload methods have names not representable in binding
 	// languages. Replace more specific cases first

cmd/genbindings/main.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
@@ -133,7 +132,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 
 		cacheFile := cacheFilePath(inputHeader)
 
-		astJson, err := ioutil.ReadFile(cacheFile)
+		astJson, err := os.ReadFile(cacheFile)
 		if err != nil {
 			panic("Expected cache to be created for " + inputHeader + ", but got error " + err.Error())
 		}
@@ -197,7 +196,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 				panic(err)
 			}
 
-			err = ioutil.WriteFile(cacheFilePath(parsed.Filename)+".ours.json", jb, 0644)
+			err = os.WriteFile(cacheFilePath(parsed.Filename)+".ours.json", jb, 0644)
 			if err != nil {
 				panic(err)
 			}
@@ -236,7 +235,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 			panic(err)
 		}
 
-		err = ioutil.WriteFile(outputName+".go", []byte(goSrc), 0644)
+		err = os.WriteFile(outputName+".go", []byte(goSrc), 0644)
 		if err != nil {
 			panic(err)
 		}
@@ -246,7 +245,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 			panic(err)
 		}
 
-		err = ioutil.WriteFile(outputName+".cpp", []byte(bindingCppSrc), 0644)
+		err = os.WriteFile(outputName+".cpp", []byte(bindingCppSrc), 0644)
 		if err != nil {
 			panic(err)
 		}
@@ -256,7 +255,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 			panic(err)
 		}
 
-		err = ioutil.WriteFile(outputName+".h", []byte(bindingHSrc), 0644)
+		err = os.WriteFile(outputName+".h", []byte(bindingHSrc), 0644)
 		if err != nil {
 			panic(err)
 		}
@@ -270,7 +269,7 @@ func generate(packageName string, srcDirs []string, allowHeaderFn func(string) b
 
 func generateClangCaches(includeFiles []string, clangBin string, cflags []string, matcher ClangMatcher) {
 
-	var clangChan = make(chan string, 0)
+	var clangChan = make(chan string)
 	var clangWg sync.WaitGroup
 	ctx := context.Background()
 
@@ -298,7 +297,7 @@ func generateClangCaches(includeFiles []string, clangBin string, cflags []string
 					panic(err)
 				}
 
-				err = ioutil.WriteFile(cacheFilePath(inputHeader), jb, 0644)
+				err = os.WriteFile(cacheFilePath(inputHeader), jb, 0644)
 				if err != nil {
 					panic(err)
 				}