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code-gen: syntax-aware generation of vendor regex

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This commit is contained in:
Alex Bezzubov
2022-12-25 11:58:23 +01:00
parent 3aeb9879da
commit 319e630aaf
4 changed files with 18 additions and 3 deletions
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10
internal/code-generator/generator/vendor.go
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@ -5,6 +5,7 @@ import (
"fmt"
"io"
"io/ioutil"
"log"
"sort"
"strings"
"text/template"
@ -25,6 +26,12 @@ func Vendor(fileToParse, samplesDir, outPath, tmplPath, tmplName, commit string)
return fmt.Errorf("failed to parse YAML %s, %q", fileToParse, err)
}
for _, re := range regexps {
if !isRE2(re) {
log.Printf("RE2 incompatible syntax for vendor:'%s'\n", re)
}
}
buf := &bytes.Buffer{}
if err := executeVendorTemplate(buf, regexps, tmplPath, tmplName, commit); err != nil {
return err
@ -84,6 +91,9 @@ func collateAllMatchers(regexps []string) string {
var caretPrefixed, caretOrSlashPrefixed, theRest []string
// Check prefix, add to the respective group slices
for _, re := range regexps {
if !isRE2(re) {
continue
}
if strings.HasPrefix(re, caret) {
caretPrefixed = append(caretPrefixed, re[len(caret):])
} else if strings.HasPrefix(re, caretOrSlash) {