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-rw-r--r--src/engine/SCons/cpp.py41
1 files changed, 22 insertions, 19 deletions
diff --git a/src/engine/SCons/cpp.py b/src/engine/SCons/cpp.py
index ff750c2..e500711 100644
--- a/src/engine/SCons/cpp.py
+++ b/src/engine/SCons/cpp.py
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2001 - 2017 The SCons Foundation
+# Copyright (c) 2001 - 2019 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -21,7 +21,7 @@
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/cpp.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
+__revision__ = "src/engine/SCons/cpp.py 103260fce95bf5db1c35fb2371983087d85dd611 2019-07-13 18:25:30 bdbaddog"
__doc__ = """
SCons C Pre-Processor module
@@ -43,15 +43,18 @@ import re
# that we want to fetch, using the regular expressions to which the lists
# of preprocessor directives map.
cpp_lines_dict = {
- # Fetch the rest of a #if/#elif/#ifdef/#ifndef as one argument,
+ # Fetch the rest of a #if/#elif as one argument,
+ # with white space optional.
+ ('if', 'elif') : r'\s*(.+)',
+
+ # Fetch the rest of a #ifdef/#ifndef as one argument,
# separated from the keyword by white space.
- ('if', 'elif', 'ifdef', 'ifndef',)
- : '\s+(.+)',
+ ('ifdef', 'ifndef',): r'\s+(.+)',
# Fetch the rest of a #import/#include/#include_next line as one
# argument, with white space optional.
('import', 'include', 'include_next',)
- : '\s*(.+)',
+ : r'\s*(.+)',
# We don't care what comes after a #else or #endif line.
('else', 'endif',) : '',
@@ -61,10 +64,10 @@ cpp_lines_dict = {
# 2) The optional parentheses and arguments (if it's a function-like
# macro, '' if it's not).
# 3) The expansion value.
- ('define',) : '\s+([_A-Za-z][_A-Za-z0-9_]*)(\([^)]*\))?\s*(.*)',
+ ('define',) : r'\s+([_A-Za-z][_A-Za-z0-9_]*)(\([^)]*\))?\s*(.*)',
# Fetch the #undefed keyword from a #undef line.
- ('undef',) : '\s+([_A-Za-z][A-Za-z0-9_]*)',
+ ('undef',) : r'\s+([_A-Za-z][A-Za-z0-9_]*)',
}
# Create a table that maps each individual C preprocessor directive to
@@ -82,9 +85,9 @@ del op_list
# Create a list of the expressions we'll use to match all of the
# preprocessor directives. These are the same as the directives
# themselves *except* that we must use a negative lookahead assertion
-# when matching "if" so it doesn't match the "if" in "ifdef."
+# when matching "if" so it doesn't match the "if" in "ifdef" or "ifndef".
override = {
- 'if' : 'if(?!def)',
+ 'if' : 'if(?!n?def)',
}
l = [override.get(x, x) for x in list(Table.keys())]
@@ -94,7 +97,7 @@ l = [override.get(x, x) for x in list(Table.keys())]
# a list of tuples, one for each preprocessor line. The preprocessor
# directive will be the first element in each tuple, and the rest of
# the line will be the second element.
-e = '^\s*#\s*(' + '|'.join(l) + ')(.*)$'
+e = r'^\s*#\s*(' + '|'.join(l) + ')(.*)$'
# And last but not least, compile the expression.
CPP_Expression = re.compile(e, re.M)
@@ -141,12 +144,12 @@ CPP_to_Python_Ops_Expression = re.compile(expr)
# A separate list of expressions to be evaluated and substituted
# sequentially, not all at once.
CPP_to_Python_Eval_List = [
- ['defined\s+(\w+)', '"\\1" in __dict__'],
- ['defined\s*\((\w+)\)', '"\\1" in __dict__'],
- ['/\*.*\*/', ''],
- ['/\*.*', ''],
- ['//.*', ''],
- ['(0x[0-9A-Fa-f]*)[UL]+', '\\1'],
+ [r'defined\s+(\w+)', '"\\1" in __dict__'],
+ [r'defined\s*\((\w+)\)', '"\\1" in __dict__'],
+ [r'/\*.*\*/', ''],
+ [r'/\*.*', ''],
+ [r'//.*', ''],
+ [r'(0x[0-9A-Fa-f]*)[UL]+', '\\1'],
]
# Replace the string representations of the regular expressions in the
@@ -222,11 +225,11 @@ line_continuations = re.compile('\\\\\r?\n')
# Search for a "function call" macro on an expansion. Returns the
# two-tuple of the "function" name itself, and a string containing the
# arguments within the call parentheses.
-function_name = re.compile('(\S+)\(([^)]*)\)')
+function_name = re.compile(r'(\S+)\(([^)]*)\)')
# Split a string containing comma-separated function call arguments into
# the separate arguments.
-function_arg_separator = re.compile(',\s*')
+function_arg_separator = re.compile(r',\s*')