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isa_parser: add a debug variable that changes how errors are reported.

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This allows us to get tracebacks in certain cases where they're more
useful than our error message.
This commit is contained in:
Nathan Binkert 2010-02-26 18:14:48 -08:00
parent 40a05f04fb
commit b4178b1ae7
1 changed files with 14 additions and 2 deletions
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16
src/arch/isa_parser.py
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@ -36,6 +36,8 @@ from types import *
from m5.util.grammar import Grammar from m5.util.grammar import Grammar
debug=False
################### ###################
# Utility functions # Utility functions
@ -83,7 +85,7 @@ class ISAParserError(Exception):
self.lineno = first self.lineno = first
self.string = second self.string = second
def display(self, filename_stack, print_traceback=False): def display(self, filename_stack, print_traceback=debug):
# Output formatted to work under Emacs compile-mode. Optional # Output formatted to work under Emacs compile-mode. Optional
# 'print_traceback' arg, if set to True, prints a Python stack # 'print_traceback' arg, if set to True, prints a Python stack
# backtrace too (can be handy when trying to debug the parser # backtrace too (can be handy when trying to debug the parser
@ -104,7 +106,7 @@ class ISAParserError(Exception):
return "%s%s %s" % (spaces, line_str, self.string) return "%s%s %s" % (spaces, line_str, self.string)
def exit(self, filename_stack, print_traceback=False): def exit(self, filename_stack, print_traceback=debug):
# Just call exit. # Just call exit.
sys.exit(self.display(filename_stack, print_traceback)) sys.exit(self.display(filename_stack, print_traceback))
@ -247,6 +249,8 @@ class Format(object):
try: try:
vars = self.func(self.user_code, context, *args[0], **args[1]) vars = self.func(self.user_code, context, *args[0], **args[1])
except Exception, exc: except Exception, exc:
if debug:
raise
error(lineno, 'error defining "%s": %s.' % (name, exc)) error(lineno, 'error defining "%s": %s.' % (name, exc))
for k in vars.keys(): for k in vars.keys():
if k not in ('header_output', 'decoder_output', if k not in ('header_output', 'decoder_output',
@ -882,6 +886,8 @@ def buildOperandNameMap(user_dict, lineno):
try: try:
base_cls = eval(base_cls_name + 'Operand') base_cls = eval(base_cls_name + 'Operand')
except NameError: except NameError:
if debug:
raise
error(lineno, error(lineno,
'error: unknown operand base class "%s"' % base_cls_name) 'error: unknown operand base class "%s"' % base_cls_name)
# The following statement creates a new class called # The following statement creates a new class called
@ -1518,6 +1524,8 @@ StaticInstPtr
try: try:
exec fixPythonIndentation(t[2]) in exportContext exec fixPythonIndentation(t[2]) in exportContext
except Exception, exc: except Exception, exc:
if debug:
raise
error(t, 'error: %s in global let block "%s".' % (exc, t[2])) error(t, 'error: %s in global let block "%s".' % (exc, t[2]))
t[0] = GenCode(header_output = exportContext["header_output"], t[0] = GenCode(header_output = exportContext["header_output"],
decoder_output = exportContext["decoder_output"], decoder_output = exportContext["decoder_output"],
@ -1531,6 +1539,8 @@ StaticInstPtr
try: try:
user_dict = eval('{' + t[3] + '}') user_dict = eval('{' + t[3] + '}')
except Exception, exc: except Exception, exc:
if debug:
raise
error(t, error(t,
'error: %s in def operand_types block "%s".' % (exc, t[3])) 'error: %s in def operand_types block "%s".' % (exc, t[3]))
buildOperandTypeMap(user_dict, t.lexer.lineno) buildOperandTypeMap(user_dict, t.lexer.lineno)
@ -1545,6 +1555,8 @@ StaticInstPtr
try: try:
user_dict = eval('{' + t[3] + '}', exportContext) user_dict = eval('{' + t[3] + '}', exportContext)
except Exception, exc: except Exception, exc:
if debug:
raise
error(t, 'error: %s in def operands block "%s".' % (exc, t[3])) error(t, 'error: %s in def operands block "%s".' % (exc, t[3]))
buildOperandNameMap(user_dict, t.lexer.lineno) buildOperandNameMap(user_dict, t.lexer.lineno)
t[0] = GenCode() # contributes nothing to the output C++ file t[0] = GenCode() # contributes nothing to the output C++ file