fix dwarf abbrev registration

[libfirm] / scripts / spec_util.py

diff --git a/scripts/spec_util.py b/scripts/spec_util.py
index c33d9c3..9706385 100644 (file)
--- a/scripts/spec_util.py
+++ b/scripts/spec_util.py
@@ -1,3 +1,5 @@
+import sys
+
 abstracts = set()
 def abstract(cls):
        abstracts.add(cls)
@@ -8,6 +10,15 @@ def isAbstract(nodetype):
 def is_dynamic_pinned(node):
        return node.pinned in ["memory", "exception"]
 
+def is_fragile(node):
+       return hasattr(node, "flags") and "fragile" in node.flags
+
+def inout_contains(l, name):
+       for entry in l:
+               if entry[0] == name:
+                       return True
+       return False
+
 def verify_node(node):
        if not hasattr(node, "pinned"):
                print "%s: NO PINNED SET" % node.__name__
@@ -18,6 +29,24 @@ def verify_node(node):
                print "WARNING: no flags specified for %s\n" % node.__name__
        elif type(node.flags) != list:
                print "ERROR: flags of %s not a list" % node.__name__
+       if hasattr(node, "pinned_init") and not is_dynamic_pinned(node):
+               print "ERROR: node %s has pinned_init attribute but is not marked as dynamically pinned" % node.__name__
+       if hasattr(node, "flags") and "uses_memory" in node.flags:
+               if not inout_contains(node.ins, "mem"):
+                       print "ERROR: memory op %s needs an input named 'mem'" % node.__name__
+       if is_fragile(node):
+               if not is_dynamic_pinned(node):
+                       print "ERROR: fragile node %s must be dynamically pinned" % node.__name__
+               if not hasattr(node, "throws_init"):
+                       print "ERROR: fragile node %s needs a throws_init attribute" % node.__name__
+               if not inout_contains(node.outs, "X_regular"):
+                       print "ERROR: fragile node %s needs an output named 'X_regular'" % node.__name__
+               if not inout_contains(node.outs, "X_except"):
+                       print "ERROR: fragile node %s needs an output named 'X_except'" % node.__name__
+       else:
+               if hasattr(node, "throws_init"):
+                       print "ERROR: throws_init only makes sense for fragile nodes"
+
 
 def setldefault(node, attr, val):
        # Don't use hasattr, as these things should not be inherited
@@ -41,3 +70,28 @@ def setnodedefaults(node):
        setdefault(node, "customSerializer", False)
        if hasattr(node, "outs"):
                node.mode = "mode_T"
+
+def trim_docstring(docstring):
+    if not docstring:
+        return ''
+    # Convert tabs to spaces (following the normal Python rules)
+    # and split into a list of lines:
+    lines = docstring.expandtabs().splitlines()
+    # Determine minimum indentation (first line doesn't count):
+    indent = sys.maxint
+    for line in lines[1:]:
+        stripped = line.lstrip()
+        if stripped:
+            indent = min(indent, len(line) - len(stripped))
+    # Remove indentation (first line is special):
+    trimmed = [lines[0].strip()]
+    if indent < sys.maxint:
+        for line in lines[1:]:
+            trimmed.append(line[indent:].rstrip())
+    # Strip off trailing and leading blank lines:
+    while trimmed and not trimmed[-1]:
+        trimmed.pop()
+    while trimmed and not trimmed[0]:
+        trimmed.pop(0)
+    # Return a single string:
+    return '\n'.join(trimmed)