Hi All,

I got a bit tangled up with compiling the if-then-else blocks (the
past two days of debugging ended up resolving to a couple of fixes and
one typo that was causing the biggest problems).  With the else block
compiling now in place, the infrastructure is already laid out to do
elseif's and it should be quite simple.  (Very excited about this!).

I've pasted in below a small python script I've been using that if you
run csound with --new-parser and redirect text output to a file called
out.txt, this script will find the AST as xml in its intial state and
the printout from after doing expansion (where the tree gets rewritten
to translate if-then's to simple if's and labels and where expressions
are move out and up from args) and put them into two xml files.  This
is pretty handy if you want to see what's going on with the tree
structure before and after expansion.

Thanks!
steven



# python script to extract AST's from output

f = open("out.txt", "r")

mode = 0

astInitial = ""
astExpanded = ""

for line in f:
    if mode == 0:
        if line.startswith("AST - INITIAL"):
            mode = 1
        elif line.startswith("AST - AFTER EXPANSION"):
            mode = 2
    elif mode == 1:
        if line.startswith("Printing"):
            continue
        astInitial += line
        if line.startswith("</ast>"):
            mode = 0
    elif mode == 2:
        if line.startswith("Printing"):
            continue
        astExpanded += line

        if line.startswith("</ast>"):
            mode = 0

f.close()

finitial = open("ast_initial.xml", "w")
finitial.write(astInitial)
finitial.flush()
finitial.close()

fexpanded = open("ast_expanded.xml", "w")
fexpanded.write(astExpanded)
fexpanded.flush()
fexpanded.close()

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