Yu-hsin Wang has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/71019?usp=email )
Change subject: arch: set multiline re as default in isa_parser
......................................................................
arch: set multiline re as default in isa_parser
In python3.11, it requires the global specifier should be the first
token of regex. However it's not possible when using ply library.
Instead, we set the rules are multiline regex by default and modifies
those single line rules.
Ref: https://github.com/dabeaz/ply/issues/282
Change-Id: I7bdbfeb97a9dd74f45c1890a76f8cc16100e5a42
---
M src/arch/isa_parser/isa_parser.py
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/arch/isa_parser/isa_parser.py
b/src/arch/isa_parser/isa_parser.py
index 0f29840..9ff5723 100755
--- a/src/arch/isa_parser/isa_parser.py
+++ b/src/arch/isa_parser/isa_parser.py
@@ -514,6 +514,7 @@
class ISAParser(Grammar):
def __init__(self, output_dir):
super().__init__()
+ self.lex_kwargs['reflags'] = int(re.MULTILINE)
self.output_dir = output_dir
self.filename = None # for output file watermarking/scaremongering
@@ -851,7 +852,7 @@
# String literal. Note that these use only single quotes, and
# can span multiple lines.
def t_STRLIT(self, t):
- r"(?m)'([^'])+'"
+ r"'([^'])+'"
# strip off quotes
t.value = t.value[1:-1]
t.lexer.lineno += t.value.count("\n")
@@ -860,19 +861,19 @@
# "Code literal"... like a string literal, but delimiters are
# '{{' and '}}' so they get formatted nicely under emacs c-mode
def t_CODELIT(self, t):
- r"(?m)\{\{([^\}]|}(?!\}))+\}\}"
+ r"\{\{([^\}]|}(?!\}))+\}\}"
# strip off {{ & }}
t.value = t.value[2:-2]
t.lexer.lineno += t.value.count("\n")
return t
def t_CPPDIRECTIVE(self, t):
- r"^\#[^\#].*\n"
+ r"^\#[^\#][^\n]*\n"
t.lexer.lineno += t.value.count("\n")
return t
def t_NEWFILE(self, t):
- r'^\#\#newfile\s+"[^"]*"\n'
+ r'^\#\#newfile\s+"[^"\n]*"\n'
self.fileNameStack.push(t.lexer.lineno)
t.lexer.lineno = LineTracker(t.value[11:-2])
@@ -892,7 +893,7 @@
# Comments
def t_comment(self, t):
- r"//.*"
+ r"//[^\n]*\n"
# Completely ignored characters
t_ignore = " \t\x0c"
--
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Gerrit-MessageType: newchange
Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I7bdbfeb97a9dd74f45c1890a76f8cc16100e5a42
Gerrit-Change-Number: 71019
Gerrit-PatchSet: 1
Gerrit-Owner: Yu-hsin Wang <yuhsi...@google.com>
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