diff options
Diffstat (limited to 'grammar/grammar.go')
| -rw-r--r-- | grammar/grammar.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/grammar/grammar.go b/grammar/grammar.go index a43b133..353beef 100644 --- a/grammar/grammar.go +++ b/grammar/grammar.go @@ -17,6 +17,7 @@ type astActionEntry struct { type Grammar struct { lexSpec *mlspec.LexSpec skipLexKinds []mlspec.LexKind + sym2AnonPat map[symbol]string productionSet *productionSet augmentedStartSymbol symbol symbolTable *symbolTable @@ -47,6 +48,7 @@ func (b *GrammarBuilder) Build(root *spec.RootNode) (*Grammar, error) { return &Grammar{ lexSpec: symTabAndLexSpec.lexSpec, skipLexKinds: symTabAndLexSpec.skip, + sym2AnonPat: symTabAndLexSpec.sym2AnonPat, productionSet: prodsAndActs.prods, augmentedStartSymbol: prodsAndActs.augStartSym, symbolTable: symTabAndLexSpec.symTab, @@ -57,6 +59,7 @@ func (b *GrammarBuilder) Build(root *spec.RootNode) (*Grammar, error) { type symbolTableAndLexSpec struct { symTab *symbolTable anonPat2Sym map[string]symbol + sym2AnonPat map[symbol]string lexSpec *mlspec.LexSpec skip []mlspec.LexKind } @@ -95,6 +98,7 @@ func (b *GrammarBuilder) genSymbolTableAndLexSpec(root *spec.RootNode) (*symbolT } anonPat2Sym := map[string]symbol{} + sym2AnonPat := map[symbol]string{} var anonEntries []*mlspec.LexEntry { anonPats := []string{} @@ -127,6 +131,7 @@ func (b *GrammarBuilder) genSymbolTableAndLexSpec(root *spec.RootNode) (*symbolT return nil, err } anonPat2Sym[p] = sym + sym2AnonPat[sym] = p anonEntries = append(anonEntries, &mlspec.LexEntry{ Kind: mlspec.LexKind(kind), @@ -160,6 +165,7 @@ func (b *GrammarBuilder) genSymbolTableAndLexSpec(root *spec.RootNode) (*symbolT return &symbolTableAndLexSpec{ symTab: symTab, anonPat2Sym: anonPat2Sym, + sym2AnonPat: sym2AnonPat, lexSpec: &mlspec.LexSpec{ Entries: entries, }, @@ -494,6 +500,7 @@ func Compile(gram *Grammar) (*spec.CompiledGrammar, error) { termCount: len(terms), nonTermCount: len(nonTerms), symTab: gram.symbolTable, + sym2AnonPat: gram.sym2AnonPat, } tab, err := slr.build() if err != nil { |