main.go

package main

import (
	"io"
	// . "github.com/lexer-example/executor"
	. "github.com/pascal-runtime-go/intermediate"
	. "github.com/pascal-runtime-go/parser"
	. "github.com/pascal-runtime-go/scanner"
	. "github.com/pascal-runtime-go/source"
	"strings"
)

type Pascal struct {
	parser IParser
	source *Source
	iCode  ICode
	stack  *SymTabStack
	// executor Executor
}

func NewPascal(src io.Reader) *Pascal {
	source := NewSource(src)
	parser := NewPascalParser(NewPascalScanner(source))

	parser.Parse()

	return &Pascal{
		parser: parser,
		source: source,
		iCode:  parser.GetICode(),
		stack:  parser.GetSymTabStack(),
	}
}

func main() {
	NewPascal(strings.NewReader(
		`PROGRAM HelloOnce;
		
		VAR
		    i, j, k : integer;
		    x, y    : real;
		    p, q    : boolean;
		    ch      : char;
		    index   : 1..10;

		BEGIN
		    writeln('Hello, world.')
		END.`))
}