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-rw-r--r--driver/spec.go84
1 files changed, 84 insertions, 0 deletions
diff --git a/driver/spec.go b/driver/spec.go
new file mode 100644
index 0000000..71935b4
--- /dev/null
+++ b/driver/spec.go
@@ -0,0 +1,84 @@
+package driver
+
+import (
+ mldriver "github.com/nihei9/maleeni/driver"
+ "github.com/nihei9/vartan/spec"
+)
+
+type gram struct {
+ g *spec.CompiledGrammar
+}
+
+func NewGrammar(g *spec.CompiledGrammar) *gram {
+ return &gram{
+ g: g,
+ }
+}
+
+func (g *gram) LexicalSpecification() mldriver.LexSpec {
+ return mldriver.NewLexSpec(g.g.LexicalSpecification.Maleeni.Spec)
+}
+
+func (g *gram) Class() string {
+ return g.g.ParsingTable.Class
+}
+
+func (g *gram) InitialState() int {
+ return g.g.ParsingTable.InitialState
+}
+
+func (g *gram) StartProduction() int {
+ return g.g.ParsingTable.StartProduction
+}
+
+func (g *gram) RecoverProduction(prod int) bool {
+ return g.g.ParsingTable.RecoverProductions[prod] != 0
+}
+
+func (g *gram) Action(state int, terminal int) int {
+ return g.g.ParsingTable.Action[state*g.g.ParsingTable.TerminalCount+terminal]
+}
+
+func (g *gram) GoTo(state int, lhs int) int {
+ return g.g.ParsingTable.GoTo[state*g.g.ParsingTable.NonTerminalCount+lhs]
+}
+
+func (g *gram) AlternativeSymbolCount(prod int) int {
+ return g.g.ParsingTable.AlternativeSymbolCounts[prod]
+}
+
+func (g *gram) TerminalCount() int {
+ return g.g.ParsingTable.TerminalCount
+}
+
+func (g *gram) ErrorTrapperState(state int) bool {
+ return g.g.ParsingTable.ErrorTrapperStates[state] != 0
+}
+
+func (g *gram) LHS(prod int) int {
+ return g.g.ParsingTable.LHSSymbols[prod]
+}
+
+func (g *gram) EOF() int {
+ return g.g.ParsingTable.EOFSymbol
+}
+
+func (g *gram) Error() int {
+ return g.g.ParsingTable.ErrorSymbol
+}
+
+func (g *gram) Terminal(terminal int) string {
+ return g.g.ParsingTable.Terminals[terminal]
+}
+
+func (g *gram) TerminalAlias(terminal int) string {
+ return g.g.LexicalSpecification.Maleeni.KindAliases[terminal]
+}
+
+func (g *gram) Skip(kind mldriver.KindID) bool {
+ return g.g.LexicalSpecification.Maleeni.Skip[kind] > 0
+}
+
+func (g *gram) LexicalKindToTerminal(kind mldriver.KindID) int {
+ return g.g.LexicalSpecification.Maleeni.KindToTerminal[kind]
+}