com.cliffc.aa.REPL Class Reference

an implementation of language AA More...

Collaboration diagram for com.cliffc.aa.REPL:

Static Public Member Functions
static String	go ()

Static Public Attributes
static final String	prompt ="> "

Static Package Functions
static String	go_one (String prog, String line)
static void	init ()

Detailed Description

an implementation of language AA

Definition at line 11 of file REPL.java.

Member Function Documentation

go()

static String com.cliffc.aa.REPL.go ( )

static

Definition at line 13 of file REPL.java.

                             {
    String prog = "";
    init();
    Scanner stdin = new Scanner(System.in);
    while( stdin.hasNextLine() )
      prog = go_one(prog,stdin.nextLine());
    return prog;
  }

References com.cliffc.aa.REPL.go_one(), and com.cliffc.aa.REPL.init().

Referenced by com.cliffc.aa.AA.main().

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go_one()

static String com.cliffc.aa.REPL.go_one ( String  prog, String  line  )

staticpackage

Definition at line 27 of file REPL.java.

                                                   {
    String prog2 = prog+line+";"+System.lineSeparator();
    TypeEnv te = Exec.go(Env.file_scope(Env.top_scope()),"stdin",prog2);
    if( te._errs == null ) {
      Type t = te._t;
      if( t instanceof TypeMemPtr )
        t = te._tmem.ld((TypeMemPtr)t); // Peek thru pointer
      SB sb = t.str(new SB(),new VBitSet(),te._tmem,false); // Print what we see, with memory
      System.out.println( sb.toString() );
      prog = prog2;
    } else
      System.out.print( te._errs.get(0) );
    System.out.print(prompt);
    System.out.flush();
    return prog;
  }

References com.cliffc.aa.TypeEnv._errs, com.cliffc.aa.TypeEnv._t, com.cliffc.aa.TypeEnv._tmem, com.cliffc.aa.Env.file_scope(), com.cliffc.aa.Exec.go(), com.cliffc.aa.type.TypeMem.ld(), com.cliffc.aa.REPL.prompt, com.cliffc.aa.type.TypeMemPtr.str(), com.cliffc.aa.Env.top_scope(), and com.cliffc.aa.util.SB.toString().

Referenced by com.cliffc.aa.REPL.go(), com.cliffc.aa.TestREPL.test(), and com.cliffc.aa.TestREPL.testerr().

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init()

static void com.cliffc.aa.REPL.init ( )

staticpackage

Definition at line 22 of file REPL.java.

                     {
    System.out.print(prompt);
    System.out.flush();
  }

References com.cliffc.aa.REPL.prompt.

Referenced by com.cliffc.aa.REPL.go(), and com.cliffc.aa.TestREPL.open_repl().

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Member Data Documentation

prompt

final String com.cliffc.aa.REPL.prompt ="> "

static

Definition at line 12 of file REPL.java.

Referenced by com.cliffc.aa.REPL.go_one(), com.cliffc.aa.REPL.init(), com.cliffc.aa.TestREPL.open_repl(), com.cliffc.aa.TestREPL.test(), and com.cliffc.aa.TestREPL.testerr().

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The documentation for this class was generated from the following file:

• REPL.java