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added and tweaked some asserts

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git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@414 4cde692c-a291-49d1-8350-778aa11640f8
This commit is contained in:
jvr 2003-08-24 16:25:12 +00:00
parent 6385a4e9e1
commit 9920ad5286
1 changed files with 6 additions and 7 deletions
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13
Lib/fontTools/misc/psCharStrings.py
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@ -232,9 +232,9 @@ class T2CharString(ByteCodeBase):
def compile(self):
if self.bytecode is not None:
return
if self.program[-1] not in ("endchar", "return", "callsubr", "callgsubr", "seac"):
print "XXX", self.program
assert 0, "illegal CharString"
assert self.program, "illegal CharString: decompiled to empty program"
assert self.program[-1] in ("endchar", "return", "callsubr", "callgsubr",
"seac"), "illegal CharString"
bytecode = []
opcodes = self.opcodes
program = self.program
@ -459,10 +459,10 @@ class SimpleT2Decompiler:
else:
pushToStack(token)
if needsDecompilation:
assert program, "illegal CharString: decompiled to empty program"
assert program[-1] in ("endchar", "return", "callsubr", "callgsubr",
"seac"), "illegal CharString"
charString.setProgram(program)
if program[-1] not in ("endchar", "return", "callsubr", "callgsubr", "seac"):
print "XXX", program
assert program[-1] in ("endchar", "return", "callsubr", "callgsubr", "seac")
del self.callingStack[-1]
def pop(self):
@ -1020,4 +1020,3 @@ def calcSubrBias(subrs):
else:
bias = 32768
return bias