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Properly match existing functions, and differentiate them from unknown ones

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Before this patch, `$numXXX()` was highlighted the same way as `$num()`, even though it was raising a syntax error.
After this patch they have different formats.
This commit is contained in:
Laurent Monin
2024-05-24 19:40:53 +02:00
parent 3ef967a3d7
commit fb699cbda7
1 changed files with 16 additions and 4 deletions
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20
picard/ui/widgets/scripttextedit.py
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@@ -101,7 +101,12 @@ class TaggerScriptSyntaxHighlighter(QtGui.QSyntaxHighlighter):
def __init__(self, document):
super().__init__(document)
syntax_theme = theme.syntax_theme
self.func_re = re.compile(r"\$(?!noop)[_a-zA-Z0-9]*\(")
self.unknown_func_re = re.compile(r"\$(?!noop)[_a-zA-Z0-9]*\(")
self.unknown_func_fmt = QtGui.QTextCharFormat()
self.unknown_func_fmt.setFontItalic(True)
self.unknown_func_fmt.setForeground(syntax_theme.special)
self.func_fmt = QtGui.QTextCharFormat()
self.func_fmt.setFontWeight(QtGui.QFont.Weight.Bold)
self.func_fmt.setForeground(syntax_theme.func)
@@ -130,13 +135,20 @@ class TaggerScriptSyntaxHighlighter(QtGui.QSyntaxHighlighter):
self.noop_fmt.setFontItalic(True)
self.noop_fmt.setForeground(syntax_theme.noop)
self.rules = [
(self.func_re, self.func_fmt, 0, -1),
self.rules = list(self.func_rules())
self.rules.extend([
(self.unknown_func_re, self.unknown_func_fmt, 0, -1),
(self.var_re, self.var_fmt, 0, 0),
(self.unicode_re, self.unicode_fmt, 0, 0),
(self.escape_re, self.escape_fmt, 0, 0),
(self.special_re, self.special_fmt, 0, 0),
]
])
def func_rules(self):
for func_name in script_function_names():
if func_name != 'noop':
pattern = re.escape("$" + func_name + "(")
yield (re.compile(pattern), self.func_fmt, 0, -1)
def highlightBlock(self, text):
self.setCurrentBlockState(0)