start of code generation

diff --git a/gen.dcl b/gen.dcl
new file mode 100644 (file)
index 0000000..0ed553c
--- /dev/null
+++ b/gen.dcl
@@ -0,0 +1,5 @@
+definition module gen
+
+import AST
+
+gen :: AST -> String
\ No newline at end of file

diff --git a/gen.icl b/gen.icl
new file mode 100644 (file)
index 0000000..0d5eb12
--- /dev/null
+++ b/gen.icl
@@ -0,0 +1,7 @@
+implementation module gen
+
+import AST
+import StdMisc
+
+gen :: AST -> String
+gen _ = "dummy"
\ No newline at end of file

diff --git a/spl.icl b/spl.icl
index cf3d5f3..e88e943 100644 (file)
--- a/spl.icl
+++ b/spl.icl
@@ -19,6 +19,7 @@ import parse
 import lex
 import sem
 import AST
+import gen
 from yard import :: Error, instance toString Error
 
 :: Opts = {
@@ -27,6 +28,7 @@ from yard import :: Error, instance toString Error
        lex :: Bool,
        parse :: Bool,
        sem :: Bool,
+    gen :: Bool,
        fp :: Maybe String,
        help :: Bool}
 
@@ -58,20 +60,22 @@ Start w
 = case contents of
        (Left cs) = snd $ fclose (stdin <<< cs) w
        (Right cs) = case lexer cs of
-               (Left e) = snd $ fclose (stdin <<< toString e) w
+               (Left e) = snd $ fclose (stdin <<< toString e <<< "\n") w
                (Right lexOut)
                # stdin = if (not args.lex) stdin (
                        stdin <<< "//LEXER\n" <<< printTokens lexOut <<< "//LEXER\n")
                = case parser lexOut of
-                       (Left e) = snd $ fclose (stdin <<< toString e) w
+                       (Left e) = snd $ fclose (stdin <<< toString e <<< "\n") w
                        (Right parseOut)
                        # stdin = if (not args.parse) stdin (
                                stdin <<<  "//PARSER\n" <<< toString parseOut <<< "//PARSER\n")
                        = case sem parseOut of
-                               (Left e) = snd $ fclose (stdin <<< join "\n" (map toString e)) w
+                               (Left e) = snd $ fclose (stdin <<< join "\n" (map toString e) <<< "\n") w
                                (Right ast)
                                # stdin = if (not args.sem) stdin (stdin
                                        <<< "//SEM G\n" <<< toString ast <<< "//SEMA\n")
+                # stdin = if (not args.gen) stdin (stdin
+                    <<< "//CODE GEN\n" <<< gen ast <<< "\n//CODE GEN\n")
                                = snd $ fclose (stdin <<< "\n") w
                where
                        printConstraints :: Constraints -> String
@@ -94,6 +98,7 @@ parseArgs w
        lex=False,
        parse=False,
        sem=True,
+    gen=True,
        fp=Nothing,
        help=False}, w)
 where
@@ -107,6 +112,8 @@ where
        pa ["--no-parse":r] o = pa r {o & parse=False}
        pa ["--sem":r] o = pa r {o & sem=True}
        pa ["--no-sem":r] o = pa r {o & sem=False}
+    pa ["--gen":r] o = pa r {o & gen=True}
+    pa ["--no-gen":r] o = pa r {o & gen=False}
        pa [x:r] o = pa r {o & fp=Just x}
 
 readFileOrStdin :: *File (Maybe String) *World -> *(Either String [Char], *File, *World)