def __init__(self, start=-1, end=-1):
Chunk.__init__(self, start, end)
self.tokenized = TokenizedStatement()
self.status_changed = False
self.results_changed = False
self.executing = False
self.needs_compile = False
self.needs_execute = False
self.statement = None
self.statement_dirty = True
self.results = None
self.error_message = None
self.error_line = None
self.error_offset = None
def __init__(self, start=-1, end=-1):
Chunk.__init__(self, start, end)
self.tokenized = TokenizedStatement()
self.status_changed = False
self.results_changed = False
self.executing = False
self.needs_compile = False
self.needs_execute = False
self.statement = None
self.results = None
self.error_message = None
self.error_line = None
self.error_offset = None
class StatementChunk(Chunk):
"""
StatementChunk represents a series of lines making up a single unit of Python
code. (Roughly, but perhaps not exactly corresponding to a statement in the
Python grammar. A StatementChunk might contain text that isn't compilable at all.)
In addition to the basic range-tracking capabilities of the base class, the
StatementChunk class holds a tokenized representation of the code, information
about the status of the chunk (needs_compile, needs_execute), and after compilation
and/or execution, the resulting results or errors.
"""
def __init__(self, start=-1, end=-1):
Chunk.__init__(self, start, end)
self.tokenized = TokenizedStatement()
self.status_changed = False
self.results_changed = False
self.executing = False
self.needs_compile = False
self.needs_execute = False
self.statement = None
self.results = None
self.error_message = None
self.error_line = None
self.error_offset = None
def __repr__(self):
return "StatementChunk(%d,%d,%r,%r,%r)" % (self.start, self.end, self.needs_compile, self.needs_execute, self.tokenized.get_text())
def set_lines(self, lines):
range = self.tokenized.set_lines(lines)
if range == None:
return False
if range[0] != range[1]: # non-empty range ... empty=truncation
self.change_lines(self.start + range[0], self.start + range[1])
if not self.needs_compile:
self.needs_compile = True
self.status_changed = True
self.needs_execute = False
self.statement = None
return True
def mark_for_execute(self):
if self.statement != None and not self.needs_execute:
self.statement.mark_for_execute()
self.needs_execute = True
self.status_changed = True
return True
else:
return False
def get_statement(self, worksheet):
if not self.statement:
self.statement = Statement(self.tokenized.get_text(), worksheet)
self.statement.chunk = self
return self.statement
def update_statement(self):
self.status_changed = True
if self.statement.state == Statement.COMPILE_SUCCESS:
self.needs_compile = False
self.needs_execute = True
elif self.statement.state == Statement.EXECUTING:
self.executing = True
elif self.statement.state == Statement.EXECUTE_SUCCESS:
self.executing = False
self.needs_compile = False
self.needs_execute = False
if self.results != self.statement.results:
self.results_changed = True
self.results = self.statement.results
self.error_message = None
self.error_line = None
self.error_offset = None
elif self.statement.state == Statement.COMPILE_ERROR:
self.needs_compile = True
self.needs_execute = True
self.error_message = self.statement.error_message
self.error_line = self.statement.error_line
self.error_offset = self.statement.error_offset
self.results = None
self.results_changed = True
elif self.statement.state == Statement.EXECUTE_ERROR:
self.executing = False
self.needs_compile = False
self.needs_execute = True
self.error_message = self.statement.error_message
self.error_line = self.statement.error_line
self.error_offset = self.statement.error_offset
self.results = None
self.results_changed = True
elif self.statement.state == Statement.INTERRUPTED:
self.executing = False
self.needs_compile = False
self.needs_execute = True
self.error_message = "Interrupted"
self.error_line = None
self.error_offset = None
self.results = None
self.results_changed = True
else:
# NEW/EXECUTING should not be hit here
raise AssertionError("Unexpected state in Chunk.update_statement()")
class StatementChunk(Chunk):
"""
StatementChunk represents a series of lines making up a single unit of Python
code. (Roughly, but perhaps not exactly corresponding to a statement in the
Python grammar. A StatementChunk might contain text that isn't compilable at all.)
In addition to the basic range-tracking capabilities of the base class, the
StatementChunk class holds a tokenized representation of the code, information
about the status of the chunk (needs_compile, needs_execute), and after compilation
and/or execution, the resulting results or errors.
"""
def __init__(self, start=-1, end=-1):
Chunk.__init__(self, start, end)
self.tokenized = TokenizedStatement()
self.status_changed = False
self.results_changed = False
self.executing = False
self.needs_compile = False
self.needs_execute = False
self.statement = None
self.statement_dirty = True
self.results = None
self.error_message = None
self.error_line = None
self.error_offset = None
def __repr__(self):
return "StatementChunk(%d,%d,%r,%r,%r)" % (
self.start, self.end, self.needs_compile, self.needs_execute,
self.tokenized.get_text())
def set_lines(self, lines):
range = self.tokenized.set_lines(lines)
if range is None:
return False
if range[0] != range[1]: # non-empty range ... empty=truncation
self.change_lines(self.start + range[0], self.start + range[1])
if not self.needs_compile:
self.needs_compile = True
self.status_changed = True
self.needs_execute = False
self.statement_dirty = True
return True
def mark_for_execute(self):
if self.statement is not None and not self.needs_execute:
self.statement.mark_for_execute()
self.needs_execute = True
self.status_changed = True
return True
else:
return False
def get_clean_statement(self, worksheet):
if self.statement_dirty:
self.statement = Statement(self.tokenized.get_text(), worksheet)
self.statement.chunk = self
self.statement_dirty = False
return self.statement
def update_statement(self):
self.status_changed = True
if self.statement.state == Statement.COMPILE_SUCCESS:
self.needs_compile = False
self.needs_execute = True
elif self.statement.state == Statement.EXECUTING:
self.executing = True
elif self.statement.state == Statement.EXECUTE_SUCCESS:
self.executing = False
self.needs_compile = False
self.needs_execute = False
if self.results != self.statement.results:
self.results_changed = True
self.results = self.statement.results
self.error_message = None
self.error_line = None
self.error_offset = None
elif self.statement.state == Statement.COMPILE_ERROR:
self.needs_compile = True
self.needs_execute = True
self.error_message = self.statement.error_message
self.error_line = self.statement.error_line
self.error_offset = self.statement.error_offset
self.results = None
self.results_changed = True
elif self.statement.state == Statement.EXECUTE_ERROR:
self.executing = False
self.needs_compile = False
self.needs_execute = True
self.error_message = self.statement.error_message
self.error_line = self.statement.error_line
self.error_offset = self.statement.error_offset
self.results = None
self.results_changed = True
elif self.statement.state == Statement.INTERRUPTED:
self.executing = False
self.needs_compile = False
self.needs_execute = True
self.error_message = "Interrupted"
self.error_line = None
self.error_offset = None
self.results = None
self.results_changed = True
else:
# NEW/EXECUTING should not be hit here
raise AssertionError(
"Unexpected state in Chunk.update_statement()")
