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45 lines
978 B
45 lines
978 B
package main
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import (
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"fmt"
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"os"
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"github.com/brettlangdon/gython/ast"
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"github.com/brettlangdon/gython/grammar"
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"github.com/brettlangdon/gython/scanner"
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"github.com/brettlangdon/gython/token"
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)
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func tokenize() {
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tokenizer := scanner.NewScanner(os.Stdin)
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for {
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tok := tokenizer.NextToken()
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tokenRange := fmt.Sprintf("%d,%d-%d,%d:", tok.LineStart, tok.ColumnStart, tok.LineEnd, tok.ColumnEnd)
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literalRep := fmt.Sprintf("%#v", tok.Literal)
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fmt.Printf("%-20s%-15s%-15s\n", tokenRange, tok.String(), literalRep)
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if tok.ID == token.ENDMARKER || tok.ID == token.ERRORTOKEN {
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break
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}
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}
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}
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func parseGrammar() *grammar.FileInput {
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tokenizer := scanner.NewScanner(os.Stdin)
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gp := grammar.NewGrammarParser(tokenizer)
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return gp.Parse()
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}
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func parseAST() {
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start := parseGrammar()
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mod, err := ast.ASTFromGrammar(start)
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if err != nil {
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panic(err)
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}
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fmt.Println(mod)
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}
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func main() {
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// start := parseGrammar()
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// fmt.Println(start.Repr())
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parseAST()
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}
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