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Fix both incomplete and overaggressive use of the charmap

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This commit is contained in:
Michael Martin 2024-07-17 20:54:04 -07:00
parent 6a4b2ae73b
commit c0307c7ea4
2 changed files with 26 additions and 4 deletions
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26
src/Ophis/CorePragmas.py
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@ -122,7 +122,7 @@ def pragmaCharmap(ppt, line, result):
if str(line.lookahead(0)) == "EOL":
currentcharmap = basecharmap
else:
bytes = readData(line)
bytes = readRawData(line)
try:
base = bytes[0].data
newsubstr = "".join([chr(x.data) for x in bytes[1:]])
@ -254,8 +254,26 @@ def pragmaCbmfloat(ppt, line, result):
result.append(IR.Node(ppt, "Byte", *bytes))
def readData(line):
def readRawData(line):
"Read raw data from a comma-separated list"
if line.lookahead(0).type == "STRING":
data = [IR.ConstantExpr(ord(x))
for x in line.expect("STRING").value]
else:
data = [FE.parse_expr(line)]
next = line.expect(',', 'EOL').type
while next == ',':
if line.lookahead(0).type == "STRING":
data.extend([IR.ConstantExpr(ord(x))
for x in line.expect("STRING").value])
else:
data.append(FE.parse_expr(line))
next = line.expect(',', 'EOL').type
return data
def readData(line):
"Read charmap-translated data from a comma-separated list"
if line.lookahead(0).type == "STRING":
data = [IR.ConstantExpr(ord(x))
for x in line.expect("STRING").value.translate(currentcharmap)]
@ -265,7 +283,7 @@ def readData(line):
while next == ',':
if line.lookahead(0).type == "STRING":
data.extend([IR.ConstantExpr(ord(x))
for x in line.expect("STRING").value])
for x in line.expect("STRING").value.translate(currentcharmap)])
else:
data.append(FE.parse_expr(line))
next = line.expect(',', 'EOL').type
@ -332,5 +350,5 @@ def pragmaInvoke(ppt, line, result):
if line.lookahead(0).type == "EOL":
args = []
else:
args = readData(line)
args = readRawData(line)
result.append(IR.Node(ppt, "MacroInvoke", macro, *args))

4
tests/test_ophis.py
View File

@ -401,6 +401,10 @@ def test_subfiles():
'.charmap\n'
'.byte "hELLO, wORLD!",10\n',
b"Hello, World!\nhELLO, wORLD!\n")
test_string(".charmap (multi-arg)",
'.charmap \'A, "abcdefghijklmnopqrstuvwxyz"\n'
'.charmap \'a, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"\n'
'.byte "hELLO, ", "wORLD!",10\n', b"Hello, World!\n")
test_string(".charmap (out of range)",
'.charmap 250, "ABCDEFGHIJKLM"\n.byte 250,251',
b'')