wehub-resource-sync
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91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package languages
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import (
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"regexp"
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"strings"
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"github.com/zzet/gortex/internal/graph"
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"github.com/zzet/gortex/internal/parser"
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)
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// Noir (Aztec) is Rust-flavoured with `fn`, `struct`, `trait`,
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// `impl`, and `mod` declarations inside brace-delimited bodies.
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// Imports take the form `use dep::name::symbol` where `dep::` is a
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// conventional prefix for the package namespace; we keep the full
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// path intact for the unresolved key.
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var (
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noirFnRe = regexp.MustCompile(`(?m)^\s*(?:pub\s+)?fn\s+([A-Za-z_]\w*)`)
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noirStructRe = regexp.MustCompile(`(?m)^\s*(?:pub\s+)?struct\s+([A-Za-z_]\w*)`)
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noirTraitRe = regexp.MustCompile(`(?m)^\s*(?:pub\s+)?trait\s+([A-Za-z_]\w*)`)
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noirImplRe = regexp.MustCompile(`(?m)^\s*impl\s+([A-Za-z_]\w*)`)
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noirModRe = regexp.MustCompile(`(?m)^\s*(?:pub\s+)?mod\s+([A-Za-z_]\w*)`)
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noirUseRe = regexp.MustCompile(`(?m)^\s*use\s+([\w:]+)`)
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)
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// NoirExtractor extracts Aztec Noir source using regex.
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type NoirExtractor struct{}
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func NewNoirExtractor() *NoirExtractor { return &NoirExtractor{} }
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func (e *NoirExtractor) Language() string { return "noir" }
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func (e *NoirExtractor) Extensions() []string { return []string{".nr"} }
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func (e *NoirExtractor) Extract(filePath string, src []byte) (*parser.ExtractionResult, error) {
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lines := strings.Split(string(src), "\n")
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result := &parser.ExtractionResult{}
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fileNode := &graph.Node{
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ID: filePath, Kind: graph.KindFile, Name: filePath,
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FilePath: filePath, StartLine: 1, EndLine: len(lines),
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Language: "noir",
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}
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result.Nodes = append(result.Nodes, fileNode)
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seen := make(map[string]bool)
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add := func(name string, kind graph.NodeKind, start, end int) {
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if name == "" {
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return
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}
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id := filePath + "::" + name
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if seen[id] {
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return
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}
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seen[id] = true
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result.Nodes = append(result.Nodes, &graph.Node{
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ID: id, Kind: kind, Name: name,
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FilePath: filePath, StartLine: start, EndLine: end,
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Language: "noir",
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})
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result.Edges = append(result.Edges, &graph.Edge{
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From: fileNode.ID, To: id, Kind: graph.EdgeDefines,
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FilePath: filePath, Line: start,
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})
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}
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captureBlock := func(re *regexp.Regexp, kind graph.NodeKind) {
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for _, m := range re.FindAllSubmatchIndex(src, -1) {
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name := string(src[m[2]:m[3]])
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line := lineAt(src, m[0])
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add(name, kind, line, findBlockEnd(lines, line))
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}
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}
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captureBlock(noirFnRe, graph.KindFunction)
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captureBlock(noirStructRe, graph.KindType)
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captureBlock(noirTraitRe, graph.KindType)
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captureBlock(noirImplRe, graph.KindType)
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captureBlock(noirModRe, graph.KindType)
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for _, m := range noirUseRe.FindAllSubmatchIndex(src, -1) {
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mod := string(src[m[2]:m[3]])
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line := lineAt(src, m[0])
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result.Edges = append(result.Edges, &graph.Edge{
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From: fileNode.ID, To: "unresolved::import::" + mod,
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Kind: graph.EdgeImports, FilePath: filePath, Line: line,
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})
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}
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return result, nil
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}
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var _ parser.Extractor = (*NoirExtractor)(nil)
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