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-rw-r--r--Lib/plat-irix6/panelparser.py122
1 files changed, 61 insertions, 61 deletions
diff --git a/Lib/plat-irix6/panelparser.py b/Lib/plat-irix6/panelparser.py
index ee50971683..c831c49272 100644
--- a/Lib/plat-irix6/panelparser.py
+++ b/Lib/plat-irix6/panelparser.py
@@ -15,47 +15,47 @@ separators = operators + whitespace + ';' + '"'
# Return a list of tokens (strings).
#
def tokenize_string(s):
- tokens = []
- while s:
- c = s[:1]
- if c in whitespace:
- s = s[1:]
- elif c == ';':
- s = ''
- elif c == '"':
- n = len(s)
- i = 1
- while i < n:
- c = s[i]
- i = i+1
- if c == '"': break
- if c == '\\': i = i+1
- tokens.append(s[:i])
- s = s[i:]
- elif c in operators:
- tokens.append(c)
- s = s[1:]
- else:
- n = len(s)
- i = 1
- while i < n:
- if s[i] in separators: break
- i = i+1
- tokens.append(s[:i])
- s = s[i:]
- return tokens
+ tokens = []
+ while s:
+ c = s[:1]
+ if c in whitespace:
+ s = s[1:]
+ elif c == ';':
+ s = ''
+ elif c == '"':
+ n = len(s)
+ i = 1
+ while i < n:
+ c = s[i]
+ i = i+1
+ if c == '"': break
+ if c == '\\': i = i+1
+ tokens.append(s[:i])
+ s = s[i:]
+ elif c in operators:
+ tokens.append(c)
+ s = s[1:]
+ else:
+ n = len(s)
+ i = 1
+ while i < n:
+ if s[i] in separators: break
+ i = i+1
+ tokens.append(s[:i])
+ s = s[i:]
+ return tokens
# Tokenize a whole file (given as file object, not as file name).
# Return a list of tokens (strings).
#
def tokenize_file(fp):
- tokens = []
- while 1:
- line = fp.readline()
- if not line: break
- tokens = tokens + tokenize_string(line)
- return tokens
+ tokens = []
+ while 1:
+ line = fp.readline()
+ if not line: break
+ tokens = tokens + tokenize_string(line)
+ return tokens
# Exception raised by parse_exr.
@@ -71,50 +71,50 @@ syntax_error = 'syntax error'
# May raise syntax_error.
#
def parse_expr(tokens):
- if (not tokens) or tokens[0] != '(':
- raise syntax_error, 'expected "("'
- tokens = tokens[1:]
- expr = []
- while 1:
- if not tokens:
- raise syntax_error, 'missing ")"'
- if tokens[0] == ')':
- return expr, tokens[1:]
- elif tokens[0] == '(':
- subexpr, tokens = parse_expr(tokens)
- expr.append(subexpr)
- else:
- expr.append(tokens[0])
- tokens = tokens[1:]
+ if (not tokens) or tokens[0] != '(':
+ raise syntax_error, 'expected "("'
+ tokens = tokens[1:]
+ expr = []
+ while 1:
+ if not tokens:
+ raise syntax_error, 'missing ")"'
+ if tokens[0] == ')':
+ return expr, tokens[1:]
+ elif tokens[0] == '(':
+ subexpr, tokens = parse_expr(tokens)
+ expr.append(subexpr)
+ else:
+ expr.append(tokens[0])
+ tokens = tokens[1:]
# Parse a file (given as file object, not as file name).
# Return a list of parsed S-expressions found at the top level.
#
def parse_file(fp):
- tokens = tokenize_file(fp)
- exprlist = []
- while tokens:
- expr, tokens = parse_expr(tokens)
- exprlist.append(expr)
- return exprlist
+ tokens = tokenize_file(fp)
+ exprlist = []
+ while tokens:
+ expr, tokens = parse_expr(tokens)
+ exprlist.append(expr)
+ return exprlist
# EXAMPLE:
#
# The input
-# '(hip (hop hur-ray))'
+# '(hip (hop hur-ray))'
#
# passed to tokenize_string() returns the token list
-# ['(', 'hip', '(', 'hop', 'hur-ray', ')', ')']
+# ['(', 'hip', '(', 'hop', 'hur-ray', ')', ')']
#
# When this is passed to parse_expr() it returns the expression
-# ['hip', ['hop', 'hur-ray']]
+# ['hip', ['hop', 'hur-ray']]
# plus an empty token list (because there are no tokens left.
#
# When a file containing the example is passed to parse_file() it returns
# a list whose only element is the output of parse_expr() above:
-# [['hip', ['hop', 'hur-ray']]]
+# [['hip', ['hop', 'hur-ray']]]
# TOKENIZING:
@@ -123,6 +123,6 @@ def parse_file(fp):
#
# Tokens are separated by whitespace, except the following characters
# always form a separate token (outside strings):
-# ( ) '
+# ( ) '
# Strings are enclosed in double quotes (") and backslash (\) is used
# as escape character in strings.