6991 - tile: nested calls now expanding

I just needed to remove an obsolete guardrail in render-line.

Still seeing some bugs with left-arrow when playing around with the full
expansion of `1 2+`.

3 files changed, 64 insertions, 242 deletions

diff --git a/apps/tile/data.mu b/apps/tile/data.mu
index 726a612a..d864c640 100644
--- a/apps/tile/data.mu
+++ b/apps/tile/data.mu
@@ -461,3 +461,44 @@ fn drop-from-call-path-element _list: (addr handle call-path-element) {
   var next/eax: (addr handle call-path-element) <- get list, next
   copy-object next, _list
 }
+
+fn dump-call-path-element screen: (addr screen), _x-ah: (addr handle call-path-element) {
+$dump-call-path-element:body: {
+  var x-ah/ecx: (addr handle call-path-element) <- copy _x-ah
+  var x/eax: (addr call-path-element) <- lookup *x-ah
+  var src/ecx: (addr int) <- get x, index-in-body
+  print-int32-hex screen, *src
+  var next-ah/ecx: (addr handle call-path-element) <- get x, next
+  var next/eax: (addr call-path-element) <- lookup *next-ah
+  compare next, 0
+  {
+    break-if-=
+    print-string screen, " "
+    dump-call-path-element screen, next-ah
+    break $dump-call-path-element:body
+  }
+  {
+    break-if-!=
+    print-string screen, "\n"
+  }
+}
+}
+
+fn dump-call-paths screen: (addr screen), _x-ah: (addr handle call-path) {
+$dump-call-paths:body: {
+  var x-ah/ecx: (addr handle call-path) <- copy _x-ah
+  var x/eax: (addr call-path) <- lookup *x-ah
+  compare x, 0
+  break-if-=
+  var src/ecx: (addr handle call-path-element) <- get x, data
+  dump-call-path-element screen, src
+  var next-ah/ecx: (addr handle call-path) <- get x, next
+  var next/eax: (addr call-path) <- lookup *next-ah
+  compare next, 0
+  {
+    break-if-=
+    dump-call-paths screen, next-ah
+    break $dump-call-paths:body
+  }
+}
+}
diff --git a/apps/tile/environment.mu b/apps/tile/environment.mu
index e513396e..221118bd 100644
--- a/apps/tile/environment.mu
+++ b/apps/tile/environment.mu
@@ -397,12 +397,19 @@ $toggle-cursor-word:body: {
   var sandbox/esi: (addr sandbox) <- copy _sandbox
   var expanded-words/edi: (addr handle call-path) <- get sandbox, expanded-words
   var cursor-call-path/ecx: (addr handle call-path-element) <- get sandbox, cursor-call-path
+#?   print-string 0, "cursor call path: "
+#?   dump-call-path-element 0, cursor-call-path
+#?   print-string 0, "expanded words:\n"
+#?   dump-call-paths 0, expanded-words
   var already-expanded?/eax: boolean <- find-in-call-path expanded-words, cursor-call-path
   compare already-expanded?, 0  # false
   {
     break-if-!=
+#?     print-string 0, "expand\n"
     # if not already-expanded, insert
     insert-in-call-path expanded-words cursor-call-path
+#?     print-string 0, "expanded words now:\n"
+#?     dump-call-paths 0, expanded-words
     break $toggle-cursor-word:body
   }
   {
@@ -524,6 +531,8 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
   {
     compare curr-word, 0
     break-if-=
+#?     print-string 0, "-- "
+#?     dump-call-path-element 0, curr-path
 #?     print-word 0, curr-word
 #?     print-string 0, "\n"
 
@@ -533,14 +542,12 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
     # if necessary, first render columns for subsidiary stack
     $render-line:subsidiary: {
       {
-        # can't expand subsidiary stacks for now
-        compare bindings, 0
-        break-if-!= $render-line:subsidiary
-        #
+#?         print-string 0, "check sub\n"
         var display-subsidiary-stack?/eax: boolean <- find-in-call-path expanded-words, curr-path
         compare display-subsidiary-stack?, 0  # false
         break-if-= $render-line:subsidiary
       }
+#?       print-string 0, "render subsidiary stack\n"
       # does function exist?
       var callee/edi: (addr function) <- copy 0
       {
@@ -556,6 +563,7 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
         break-if-= $render-line:subsidiary
       }
       move-cursor screen, top-row, curr-col
+      start-color screen, 8, 7
       print-word screen, curr-word
       {
         var word-len/eax: int <- word-length curr-word
@@ -584,7 +592,7 @@ fn render-line screen: (addr screen), functions: (addr handle function), binding
       var callee-body/eax: (addr line) <- lookup *callee-body-ah
       # - render subsidiary stack
       push-to-call-path-element curr-path, 0  # leak
-      curr-col <- render-line screen, functions, callee-bindings, callee-body, 0, top-row, curr-col, curr-path, cursor-word, cursor-call-path, cursor-col-a
+      curr-col <- render-line screen, functions, callee-bindings, callee-body, expanded-words, top-row, curr-col, curr-path, cursor-word, cursor-call-path, cursor-col-a
       drop-from-call-path-element curr-path
       #
       move-cursor screen, top-row, curr-col
diff --git a/apps/tile/main.mu b/apps/tile/main.mu
index 2f559918..2336b37b 100644
--- a/apps/tile/main.mu
+++ b/apps/tile/main.mu
@@ -81,114 +81,18 @@ fn test {
   process env, g
   g <- copy 0x32  # '2'
   process env, g
-  g <- copy 0x2a  # '*'
+  g <- copy 0x2b  # '+'
   process env, g
   g <- copy 0xa  # <enter>
   process env, g
-  g <- copy 0x20  # space
-  process env, g
-  g <- copy 0x32  # '2'
-  process env, g
-  g <- copy 0x2a  # '*'
-  process env, g
-  g <- copy 0xa  # <enter>
-  process env, g
-  # 12 arrows to return to end of first call
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
   g <- copy 0x445b1b  # left-arrow
   process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
   g <- copy 0x445b1b  # left-arrow
   process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
   g <- copy 0x445b1b  # left-arrow
   process env, g
   {
-    print-string-to-real-screen "==\n"
+    print-string 0, "== before enter\n"
     var functions/ecx: (addr handle function) <- get env, functions
     var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
     var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
@@ -198,7 +102,7 @@ fn test {
     var foo/ecx: (addr call-path-element) <- copy _foo
     var bar/eax: (addr int) <- get foo, index-in-body
     print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
+    print-string 0, "\n"
     cursor-call-path <- get foo, next
     var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
     var foo/ecx: (addr call-path-element) <- copy _foo
@@ -206,127 +110,12 @@ fn test {
     break-if-=
     var bar/eax: (addr int) <- get foo, index-in-body
     print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
+    print-string 0, "\n"
   }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-    cursor-call-path <- get foo, next
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    compare foo, 0
-    break-if-=
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
+  g <- copy 0xa  # <enter>
   process env, g
   {
-    print-string-to-real-screen "==\n"
+    print-string 0, "== after enter\n"
     var functions/ecx: (addr handle function) <- get env, functions
     var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
     var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
@@ -336,7 +125,7 @@ fn test {
     var foo/ecx: (addr call-path-element) <- copy _foo
     var bar/eax: (addr int) <- get foo, index-in-body
     print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
+    print-string 0, "\n"
     cursor-call-path <- get foo, next
     var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
     var foo/ecx: (addr call-path-element) <- copy _foo
@@ -344,22 +133,7 @@ fn test {
     break-if-=
     var bar/eax: (addr int) <- get foo, index-in-body
     print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
-  }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
-  {
-    print-string-to-real-screen "==\n"
-    var functions/ecx: (addr handle function) <- get env, functions
-    var sandbox-ah/eax: (addr handle sandbox) <- get env, sandboxes
-    var _sandbox/eax: (addr sandbox) <- lookup *sandbox-ah
-    var sandbox/edi: (addr sandbox) <- copy _sandbox
-    var cursor-call-path/edi: (addr handle call-path-element) <- get sandbox, cursor-call-path
-    var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
-    var foo/ecx: (addr call-path-element) <- copy _foo
-    var bar/eax: (addr int) <- get foo, index-in-body
-    print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
+    print-string 0, "\n"
     cursor-call-path <- get foo, next
     var _foo/eax: (addr call-path-element) <- lookup *cursor-call-path
     var foo/ecx: (addr call-path-element) <- copy _foo
@@ -367,10 +141,9 @@ fn test {
     break-if-=
     var bar/eax: (addr int) <- get foo, index-in-body
     print-int32-hex 0, *bar
-    print-string-to-real-screen "\n"
+    print-string 0, "\n"
   }
-  g <- copy 0x445b1b  # left-arrow
-  process env, g
+  print-string 0, "== render\n"
   render env
 }