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authorJack Jansen <jack.jansen@cwi.nl>2002-04-23 22:43:37 (GMT)
committerJack Jansen <jack.jansen@cwi.nl>2002-04-23 22:43:37 (GMT)
commit3adf8d1daef8d323c405fd157e40cbae1d636c23 (patch)
tree347ec33463099f2484b95bd98ae8c4661cbec7da
parent5ca537473b5840241aac613724e7557a216e0458 (diff)
downloadcpython-3adf8d1daef8d323c405fd157e40cbae1d636c23.zip
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Converted to use re in stead of regex and regsub (finally:-).
-rw-r--r--Tools/bgen/bgen/scantools.py119
1 files changed, 65 insertions, 54 deletions
diff --git a/Tools/bgen/bgen/scantools.py b/Tools/bgen/bgen/scantools.py
index 00873a4..768b3b7 100644
--- a/Tools/bgen/bgen/scantools.py
+++ b/Tools/bgen/bgen/scantools.py
@@ -14,8 +14,7 @@ The defaults are (currently) tuned to scanning Apple Macintosh header files,
although most Mac specific details are contained in header-specific subclasses.
"""
-import regex
-import regsub
+import re
import string
import sys
import os
@@ -33,7 +32,7 @@ Error = "scantools.Error"
class Scanner:
# Set to 1 in subclass to debug your scanner patterns.
- debug = 0
+ debug = 0
def __init__(self, input = None, output = None, defsoutput = None):
self.initsilent()
@@ -240,27 +239,27 @@ if missing: raise "Missing Types"
self.includepath = [':', INCLUDEDIR]
def initpatterns(self):
- self.head_pat = "^EXTERN_API[^_]"
- self.tail_pat = "[;={}]"
- self.type_pat = "EXTERN_API" + \
- "[ \t\n]*([ \t\n]*" + \
- "\(<type>[a-zA-Z0-9_* \t]*[a-zA-Z0-9_*]\)" + \
- "[ \t\n]*)[ \t\n]*"
- self.name_pat = "\(<name>[a-zA-Z0-9_]+\)[ \t\n]*"
- self.args_pat = "(\(<args>\([^(;=)]+\|([^(;=)]*)\)*\))"
+ self.head_pat = r"^EXTERN_API[^_]"
+ self.tail_pat = r"[;={}]"
+ self.type_pat = r"EXTERN_API" + \
+ r"[ \t\n]*\([ \t\n]*" + \
+ r"(?P<type>[a-zA-Z0-9_* \t]*[a-zA-Z0-9_*])" + \
+ r"[ \t\n]*\)[ \t\n]*"
+ self.name_pat = r"(?P<name>[a-zA-Z0-9_]+)[ \t\n]*"
+ self.args_pat = r"\((?P<args>([^\(;=\)]+|\([^\(;=\)]*\))*)\)"
self.whole_pat = self.type_pat + self.name_pat + self.args_pat
- self.sym_pat = "^[ \t]*\(<name>[a-zA-Z0-9_]+\)[ \t]*=" + \
- "[ \t]*\(<defn>[-0-9_a-zA-Z'\"(][^\t\n,;}]*\),?"
- self.asplit_pat = "^\(<type>.*[^a-zA-Z0-9_]\)\(<name>[a-zA-Z0-9_]+\)\(<array>\[\]\)?$"
- self.comment1_pat = "\(<rest>.*\)//.*"
+ self.sym_pat = r"^[ \t]*(?P<name>[a-zA-Z0-9_]+)[ \t]*=" + \
+ r"[ \t]*(?P<defn>[-0-9_a-zA-Z'\"\(][^\t\n,;}]*),?"
+ self.asplit_pat = r"^(?P<type>.*[^a-zA-Z0-9_])(?P<name>[a-zA-Z0-9_]+)(?P<array>\[\])?$"
+ self.comment1_pat = r"(?P<rest>.*)//.*"
# note that the next pattern only removes comments that are wholly within one line
- self.comment2_pat = "\(<rest1>.*\)/\*.*\*/\(<rest2>.*\)"
+ self.comment2_pat = r"(?P<rest1>.*)/\*.*\*/(?P<rest2>.*)"
def compilepatterns(self):
for name in dir(self):
if name[-4:] == "_pat":
pat = getattr(self, name)
- prog = regex.symcomp(pat)
+ prog = re.compile(pat)
setattr(self, name[:-4], prog)
def initosspecifics(self):
@@ -404,20 +403,26 @@ if missing: raise "Missing Types"
except EOFError: break
if self.debug:
self.report("LINE: %s" % `line`)
- if self.comment1.match(line) >= 0:
- line = self.comment1.group('rest')
+ match = self.comment1.match(line)
+ if match:
+ line = match.group('rest')
if self.debug:
self.report("\tafter comment1: %s" % `line`)
- while self.comment2.match(line) >= 0:
- line = self.comment2.group('rest1')+self.comment2.group('rest2')
+ match = self.comment2.match(line)
+ while match:
+ line = match.group('rest1')+match.group('rest2')
if self.debug:
self.report("\tafter comment2: %s" % `line`)
- if self.defsfile and self.sym.match(line) >= 0:
- if self.debug:
- self.report("\tmatches sym.")
- self.dosymdef()
- continue
- if self.head.match(line) >= 0:
+ match = self.comment2.match(line)
+ if self.defsfile:
+ match = self.sym.match(line)
+ if match:
+ if self.debug:
+ self.report("\tmatches sym.")
+ self.dosymdef(match)
+ continue
+ match = self.head.match(line)
+ if match:
if self.debug:
self.report("\tmatches head.")
self.dofuncspec()
@@ -426,8 +431,8 @@ if missing: raise "Missing Types"
self.error("Uncaught EOF error")
self.reportusedtypes()
- def dosymdef(self):
- name, defn = self.sym.group('name', 'defn')
+ def dosymdef(self, match):
+ name, defn = match.group('name', 'defn')
if self.debug:
self.report("\tsym: name=%s, defn=%s" % (`name`, `defn`))
if not name in self.blacklistnames:
@@ -438,35 +443,39 @@ if missing: raise "Missing Types"
def dofuncspec(self):
raw = self.line
- while self.tail.search(raw) < 0:
+ while not self.tail.search(raw):
line = self.getline()
if self.debug:
self.report("* CONTINUATION LINE: %s" % `line`)
- if self.comment1.match(line) >= 0:
- line = self.comment1.group('rest')
+ match = self.comment1.match(line)
+ if match:
+ line = match.group('rest')
if self.debug:
self.report("\tafter comment1: %s" % `line`)
- while self.comment2.match(line) >= 0:
- line = self.comment2.group('rest1')+self.comment2.group('rest2')
+ match = self.comment2.match(line)
+ while match:
+ line = match.group('rest1')+match.group('rest2')
if self.debug:
self.report("\tafter comment1: %s" % `line`)
+ match = self.comment2.match(line)
raw = raw + line
if self.debug:
self.report("* WHOLE LINE: %s" % `raw`)
self.processrawspec(raw)
def processrawspec(self, raw):
- if self.whole.search(raw) < 0:
+ match = self.whole.search(raw)
+ if not match:
self.report("Bad raw spec: %s", `raw`)
if self.debug:
- if self.type.search(raw) < 0:
+ if not self.type.search(raw):
self.report("(Type already doesn't match)")
else:
- self.report("(Type matched: %s)" % `self.type.group('type')`)
+ self.report("(but type matched)")
return
- type, name, args = self.whole.group('type', 'name', 'args')
- type = regsub.gsub("\*", " ptr", type)
- type = regsub.gsub("[ \t]+", "_", type)
+ type, name, args = match.group('type', 'name', 'args')
+ type = re.sub("\*", " ptr", type)
+ type = re.sub("[ \t]+", "_", type)
if name in self.alreadydone:
self.report("Name has already been defined: %s", `name`)
return
@@ -500,16 +509,18 @@ if missing: raise "Missing Types"
def extractarg(self, part):
mode = "InMode"
- if self.asplit.match(part) < 0:
+ part = part.strip()
+ match = self.asplit.match(part)
+ if not match:
self.error("Indecipherable argument: %s", `part`)
return ("unknown", part, mode)
- type, name, array = self.asplit.group('type', 'name', 'array')
+ type, name, array = match.group('type', 'name', 'array')
if array:
# array matches an optional [] after the argument name
type = type + " ptr "
- type = regsub.gsub("\*", " ptr ", type)
+ type = re.sub("\*", " ptr ", type)
type = string.strip(type)
- type = regsub.gsub("[ \t]+", "_", type)
+ type = re.sub("[ \t]+", "_", type)
return self.modifyarg(type, name, mode)
def modifyarg(self, type, name, mode):
@@ -610,23 +621,23 @@ class Scanner_PreUH3(Scanner):
def initpatterns(self):
Scanner.initpatterns(self)
self.head_pat = "^extern pascal[ \t]+" # XXX Mac specific!
- self.type_pat = "pascal[ \t\n]+\(<type>[a-zA-Z0-9_ \t]*[a-zA-Z0-9_]\)[ \t\n]+"
+ self.type_pat = "pascal[ \t\n]+(?P<type>[a-zA-Z0-9_ \t]*[a-zA-Z0-9_])[ \t\n]+"
self.whole_pat = self.type_pat + self.name_pat + self.args_pat
- self.sym_pat = "^[ \t]*\(<name>[a-zA-Z0-9_]+\)[ \t]*=" + \
- "[ \t]*\(<defn>[-0-9'\"][^\t\n,;}]*\),?"
+ self.sym_pat = "^[ \t]*(?P<name>[a-zA-Z0-9_]+)[ \t]*=" + \
+ "[ \t]*(?P<defn>[-0-9'\"][^\t\n,;}]*),?"
class Scanner_OSX(Scanner):
"""Scanner for modern (post UH3.3) Universal Headers """
def initpatterns(self):
Scanner.initpatterns(self)
- self.head_pat = "^EXTERN_API\(_C\)?"
- self.type_pat = "EXTERN_API\(_C\)?" + \
- "[ \t\n]*([ \t\n]*" + \
- "\(<type>[a-zA-Z0-9_* \t]*[a-zA-Z0-9_*]\)" + \
- "[ \t\n]*)[ \t\n]*"
+ self.head_pat = "^EXTERN_API(_C)?"
+ self.type_pat = "EXTERN_API(_C)?" + \
+ "[ \t\n]*\([ \t\n]*" + \
+ "(?P<type>[a-zA-Z0-9_* \t]*[a-zA-Z0-9_*])" + \
+ "[ \t\n]*\)[ \t\n]*"
self.whole_pat = self.type_pat + self.name_pat + self.args_pat
- self.sym_pat = "^[ \t]*\(<name>[a-zA-Z0-9_]+\)[ \t]*=" + \
- "[ \t]*\(<defn>[-0-9_a-zA-Z'\"(][^\t\n,;}]*\),?"
+ self.sym_pat = "^[ \t]*(?P<name>[a-zA-Z0-9_]+)[ \t]*=" + \
+ "[ \t]*(?P<defn>[-0-9_a-zA-Z'\"\(][^\t\n,;}]*),?"
def test():
input = "D:Development:THINK C:Mac #includes:Apple #includes:AppleEvents.h"