psql.diff

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File	+	−
src/bin/psql/psqlscan.l	0	0

diff --git a/src/bin/psql/psqlscan.l b/src/bin/psql/psqlscan.l
new file mode 100644
index 1208c8f..3732dc5
*** a/src/bin/psql/psqlscan.l
--- b/src/bin/psql/psqlscan.l
*************** other			.
*** 934,949 ****
  
  }
  
! <xslasharg>{
  	/*
  	 * Default processing of text in a slash command's argument.
  	 *
  	 * Note: unquoted_option_chars counts the number of characters at the
  	 * end of the argument that were not subject to any form of quoting.
  	 * psql_scan_slash_option needs this to strip trailing semicolons safely.
  	 */
  
! {space}|"\\"	{
  					/*
  					 * Unquoted space is end of arg; do not eat.  Likewise
  					 * backslash is end of command or next command, do not eat
--- 934,956 ----
  
  }
  
! 
  	/*
  	 * Default processing of text in a slash command's argument.
+ 	 * It shares token actions with xslasharg and xslashwholeline.
  	 *
  	 * Note: unquoted_option_chars counts the number of characters at the
  	 * end of the argument that were not subject to any form of quoting.
  	 * psql_scan_slash_option needs this to strip trailing semicolons safely.
  	 */
  
! <xslashwholeline>{space}+	{
! 					/* process entire line, but suppress leading whitespace */
! 					if (output_buf->len > 0)
! 						ECHO;
! 				}
! 
! <xslasharg>{space}|"\\"	{
  					/*
  					 * Unquoted space is end of arg; do not eat.  Likewise
  					 * backslash is end of command or next command, do not eat
*************** other			.
*** 957,982 ****
  					return LEXRES_OK;
  				}
  
! {quote}			{
! 					*option_quote = '\'';
! 					unquoted_option_chars = 0;
! 					BEGIN(xslashquote);
! 				}
! 
! "`"				{
  					backtick_start_offset = output_buf->len;
  					*option_quote = '`';
  					unquoted_option_chars = 0;
  					BEGIN(xslashbackquote);
  				}
  
! {dquote}		{
  					ECHO;
  					*option_quote = '"';
  					unquoted_option_chars = 0;
  					BEGIN(xslashdquote);
  				}
  
  :{variable_char}+	{
  					/* Possible psql variable substitution */
  					if (option_type == OT_NO_EVAL)
--- 964,1005 ----
  					return LEXRES_OK;
  				}
  
! <xslasharg>"`"		{
! /* Only in xslasharg, so backticks are potentially passed to the shell */
  					backtick_start_offset = output_buf->len;
  					*option_quote = '`';
  					unquoted_option_chars = 0;
  					BEGIN(xslashbackquote);
  				}
  
! <xslasharg>{quote}			{
! 					*option_quote = '\'';
! 					unquoted_option_chars = 0;
! 					BEGIN(xslashquote);
! 				}
! 
! <xslasharg>{dquote}		{
  					ECHO;
  					*option_quote = '"';
  					unquoted_option_chars = 0;
  					BEGIN(xslashdquote);
  				}
  
+ <xslasharg>{other}	{
+ 					unquoted_option_chars++;
+ 					ECHO;
+ 				}
+ 
+ <xslashwholeline>{other}	{ ECHO; }
+ 
+ 	/*
+ 	 *	This code allows variable processing in slasharg and wholeline
+ 	 *	modes.  wholeline does not allow quoting to prevent variable
+ 	 *	subtitution because quote detection would remove the quotes.
+ 	 */
+  
+ <xslasharg,xslashwholeline>{
+ 
  :{variable_char}+	{
  					/* Possible psql variable substitution */
  					if (option_type == OT_NO_EVAL)
*************** other			.
*** 1044,1054 ****
  					ECHO;
  				}
  
- {other}			{
- 					unquoted_option_chars++;
- 					ECHO;
- 				}
- 
  }
  
  <xslashquote>{
--- 1067,1072 ----
*************** other			.
*** 1115,1133 ****
  
  }
  
- <xslashwholeline>{
- 	/* copy everything until end of input line */
- 	/* but suppress leading whitespace */
- 
- {space}+		{
- 					if (output_buf->len > 0)
- 						ECHO;
- 				}
- 
- {other}			{ ECHO; }
- 
- }
- 
  <xslashend>{
  	/* at end of command, eat a double backslash, but not anything else */
  
--- 1133,1138 ----