diff options
Diffstat (limited to 'scan.l')
| -rw-r--r-- | scan.l | 43 |
1 files changed, 41 insertions, 2 deletions
@@ -95,7 +95,7 @@ extern bool tablesverify, tablesext; %x SECT2 SECT2PROLOG SECT3 CODEBLOCK PICKUPDEF SC CARETISBOL NUM QUOTE %x FIRSTCCL CCL ACTION RECOVER COMMENT ACTION_STRING PERCENT_BRACE_ACTION -%x OPTION LINEDIR +%x OPTION LINEDIR CODEBLOCK_MATCH_BRACE WS [[:blank:]]+ OPTWS [[:blank:]]* @@ -122,7 +122,7 @@ LEXOPT [aceknopr] static int option_sense; int doing_codeblock = false; - int i; + int i, brace_depth=0, brace_start_line=0; Char nmdef[MAXLINE]; @@ -138,6 +138,15 @@ LEXOPT [aceknopr] indented_code = false; BEGIN(CODEBLOCK); } + ^"%top"[[:blank:]]*"{"[[:blank:]]*{NL} { + brace_start_line = linenum; + ++linenum; + buf_linedir( &top_buf, infilename?infilename:"<stdin>", linenum); + brace_depth = 1; + yy_push_state(CODEBLOCK_MATCH_BRACE); + } + + ^"%top".* synerr( _("malformed '%top' directive") ); {WS} /* discard */ @@ -214,6 +223,36 @@ LEXOPT [aceknopr] } } +<CODEBLOCK_MATCH_BRACE>{ + "}" { + if( --brace_depth == 0){ + /* TODO: Matched. */ + yy_pop_state(); + }else + buf_strnappend(&top_buf, yytext, yyleng); + } + + "{" { + brace_depth++; + buf_strnappend(&top_buf, yytext, yyleng); + } + + {NL} { + ++linenum; + buf_strnappend(&top_buf, yytext, yyleng); + } + + [^{}\r\n]+ { + buf_strnappend(&top_buf, yytext, yyleng); + } + + <<EOF>> { + linenum = brace_start_line; + synerr(_("Unmatched '{'")); + yyterminate(); + } +} + <PICKUPDEF>{ {WS} /* separates name and definition */ |