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Fixed srcclean handling of embedded comments within strings [Atari Ace]

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---------- Forwarded message ----------
From: Atari Ace <atari_ace@verizon.net>
Date: Wed, Dec 2, 2009 at 2:14 AM
Subject: [patch] Fix srcclean to handle strings
To: submit@mamedev.org
Cc: atariace@hotmail.com


Hi mamedev,

I noticed an odd case in src2html.c where tabs were converted to
spaces unnecessarily.  Turns out srcclean does not track quoted
strings, so an embedded comment in a string will be treated the same
as a comment.  Attached is a patch to fix this.

~aa

P.S. The *.lay files could use a run through srcclean.
This commit is contained in:
Phil Bennett 2009-12-03 14:34:31 +00:00
parent e62d1e6cd7
commit 16ed9e0dcc
2 changed files with 33 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/tools/src2html.c
View File

@ -528,7 +528,7 @@ static int output_file(file_type type, int srcrootlen, int dstrootlen, const ast
case FILE_TYPE_C:
color_quotes = TRUE;
comment_start = comment_start_esc = "/*";
comment_end = comment_end_esc = "*/";
comment_end = comment_end_esc = "*/";
comment_inline = comment_inline_esc = "//";
token_table = c_token_table;
break;

43
src/tools/srcclean.c
View File

@ -68,7 +68,7 @@ static UINT8 modified[MAX_FILE_SIZE];
int main(int argc, char *argv[])
{
int removed_tabs = 0, removed_spaces = 0, fixed_mac_style = 0, fixed_nix_style = 0;
int src = 0, dst = 0, in_c_comment = FALSE, in_cpp_comment = FALSE;
int src = 0, dst = 0, in_c_comment = FALSE, in_cpp_comment = FALSE, in_c_string = FALSE;
int hichars = 0;
int is_c_file;
const char *ext;
@ -109,18 +109,33 @@ int main(int argc, char *argv[])
hichars++;
}
/* track whether or not we are within a C-style comment */
if (is_c_file && !in_cpp_comment)
/* C-specific handling */
if (is_c_file)
{
if (!in_c_comment && ch == '/' && original[src] == '*')
in_c_comment = TRUE;
else if (in_c_comment && ch == '*' && original[src] == '/')
in_c_comment = FALSE;
}
/* check for string literals */
if (ch == '"' && !in_c_comment && !in_cpp_comment )
{
UINT8 lastch = (src > 1) ? original[src-2] : '\0';
/* track whether or not we are within a C++-style comment */
if (is_c_file && !in_c_comment && ch == '/' && original[src] == '/')
in_cpp_comment = TRUE;
if (in_c_string && lastch != '\\')
in_c_string = FALSE;
else if (!in_c_string && lastch != '\'')
in_c_string = TRUE;
}
if (!in_c_string && !in_cpp_comment)
{
/* track whether or not we are within a C-style comment */
if (!in_c_comment && ch == '/' && original[src] == '*')
in_c_comment = TRUE;
else if (in_c_comment && ch == '*' && original[src] == '/')
in_c_comment = FALSE;
/* track whether or not we are within a C++-style comment */
if (!in_c_comment && ch == '/' && original[src] == '/')
in_cpp_comment = TRUE;
}
}
/* if we hit a LF without a CR, back up and act like we hit a CR */
if (ch == 0x0a)
@ -153,6 +168,12 @@ int main(int argc, char *argv[])
/* we are no longer in a C++-style comment */
in_cpp_comment = FALSE;
if (in_c_string)
{
printf("Error: unterminated string literal: %x\n", src);
return 1;
}
}
/* if we hit a tab... */