Remove the redundant regex implementation

1 files changed, 0 insertions, 92 deletions

diff --git a/main/regexast.go b/main/regexast.go
deleted file mode 100644
index a5a60c4..0000000
--- a/main/regexast.go
+++ /dev/null
@@ -1,92 +0,0 @@
-package main
-
-import (
-	"fmt"
-)
-
-type RegexAST interface {
-	compileWith(next RegexState) RegexState
-}
-
-type RegexASTRune rune
-func (ast RegexASTRune) compileWith(next RegexState) RegexState {
-	return RegexRuneState{
-		rune: rune(ast),
-		next: next,
-	}
-}
-func (ast RegexASTRune) String() string {
-	return string(rune(ast))
-}
-
-type RegexASTAny struct {}
-func (ast RegexASTAny) compileWith(next RegexState) RegexState {
-	return RegexAnyState{next}
-}
-func (ast RegexASTAny) String() string {
-	return "."
-}
-
-type RegexASTConcat struct {
-	first, second RegexAST
-}
-func (ast RegexASTConcat) compileWith(next RegexState) RegexState {
-	return ast.first.compileWith(ast.second.compileWith(next))
-}
-func (ast RegexASTConcat) String() string {
-	return fmt.Sprintf("Concat{%v, %v}", ast.first, ast.second)
-}
-
-type RegexASTOr struct {
-	first, second RegexAST
-}
-func (ast RegexASTOr) compileWith(next RegexState) RegexState {
-	return RegexGroupState{
-		ast.first.compileWith(next),
-		ast.second.compileWith(next),
-	}
-}
-
-type RegexASTMaximise struct {
-	content RegexAST
-}
-func (ast RegexASTMaximise) compileWith(next RegexState) RegexState {
-	state := &RegexGroupState{
-		nil,
-		next,
-	}
-	state.first = ast.content.compileWith(state)
-	return state
-}
-
-type RegexASTMinimise struct {
-	content RegexAST
-}
-func (ast RegexASTMinimise) compileWith(next RegexState) RegexState {
-	state := &RegexGroupState{
-		next,
-		nil,
-	}
-	state.second = ast.content.compileWith(state)
-	return state
-}
-
-type RegexASTTry struct {
-	content RegexAST
-}
-func (ast RegexASTTry) compileWith(next RegexState) RegexState {
-	return RegexGroupState{
-		ast.content.compileWith(next),
-		next,
-	}
-}
-
-type RegexASTMaybe struct {
-	content RegexAST
-}
-func (ast RegexASTMaybe) compileWith(next RegexState) RegexState {
-	return RegexGroupState {
-		next,
-		ast.content.compileWith(next),
-	}
-}