1 " Description: Comshare Dimension Definition Language (CDL)
2 " Author: Raul Segura Acevedo <raulseguraaceved@netscape.net>
3 " Last Change: Fri Nov 30 13:35:48 2001 CST
5 if exists("b:did_indent")
10 setlocal indentexpr=CdlGetIndent(v:lnum)
12 setlocal indentkeys+==~else,=~endif,=~then,;,),=
14 " Only define the function once.
15 if exists("*CdlGetIndent")
19 " find out if an "...=..." expresion its an asignment (or a conditional)
20 " it scans 'line' first, and then the previos lines
21 fun! CdlAsignment(lnum, line)
25 while lnum > 0 && f == -1
26 " line without members [a] of [b]:[c]...
29 " keywords that help to decide
30 let inicio = matchend(line, '\c\<\(expr\|\a*if\|and\|or\|not\|else\|then\|memberis\|\k\+of\)\>\|[<>;]', inicio)
34 " it's formula if there's a ';', 'elsE', 'theN', 'enDif' or 'expr'
35 " conditional if there's a '<', '>', 'elseif', 'if', 'and', 'or', 'not',
36 " 'memberis', 'childrenof' and other \k\+of funcions
37 let f = line[inicio-1] =~? '[en;]' || strpart(line, inicio-4, 4) =~? 'ndif\|expr'
39 let lnum = prevnonblank(lnum-1)
40 let line = substitute(getline(lnum), '\c\(\[[^]]*]\(\s*of\s*\|:\)*\)\+', ' ', 'g')
42 " if we hit the start of the file then f = -1, return 1 (formula)
46 fun! CdlGetIndent(lnum)
47 let thisline = getline(a:lnum)
48 if match(thisline, '^\s*\(\k\+\|\[[^]]*]\)\s*\(,\|;\s*$\)') >= 0
49 " it's an attributes line
51 elseif match(thisline, '^\c\s*\([{}]\|\/[*/]\|dimension\|schedule\|group\|hierarchy\|class\)') >= 0
52 " it's a header or '{' or '}' or a comment
56 let lnum = prevnonblank(a:lnum-1)
57 " Hit the start of the file, use zero indent.
63 let ind = indent(lnum)
64 let line = getline(lnum)
65 let f = -1 " wether a '=' is a conditional or a asignment, -1 means we don't know yet
66 " one 'closing' element at the beginning of the line has already reduced the
67 " indent, but 'else', 'elseif' & 'then' increment it for the next line
68 " '=' at the beginning has already de right indent (increased for asignments)
69 let inicio = matchend(line, '^\c\s*\(else\a*\|then\|endif\|/[*/]\|[);={]\)')
71 let c = line[inicio-1]
72 " ')' and '=' don't change indent and are useless to set 'f'
75 elseif c != ')' && c != '='
76 let f = 1 " all but 'elseif' are followed by a formula
77 if c ==? 'n' || c ==? 'e' " 'then', 'else'
79 elseif strpart(line, inicio-6, 6) ==? 'elseif' " elseif, set f to conditional
86 " remove members [a] of [b]:[c]... (inicio remainds valid)
87 let line = substitute(line, '\c\(\[[^]]*]\(\s*of\s*\|:\)*\)\+', ' ', 'g')
89 " search for the next interesting element
90 let inicio=matchend(line, '\c\<if\|endif\|[()=;]', inicio)
95 let c = line[inicio-1]
96 " 'expr(...)' containing the formula
97 if strpart(line, inicio-5, 5) ==? 'expr('
100 elseif c == ')' || c== ';' || strpart(line, inicio-5, 5) ==? 'endif'
102 elseif c == '(' || c ==? 'f' " '(' or 'if'
105 " if it is an asignment increase indent
106 if f == -1 " we don't know yet, find out
107 let f = CdlAsignment(lnum, strpart(line, 0, inicio))
109 if f == 1 " formula increase it
115 " CURRENT LINE, if it starts with a closing element, decrease indent
116 " or if it starts with '=' (asignment), increase indent
117 if match(thisline, '^\c\s*\(else\|then\|endif\|[);]\)') >= 0
119 elseif match(thisline, '^\s*=') >= 0
120 if f == -1 " we don't know yet if is an asignment, find out
121 let f = CdlAsignment(lnum, "")
123 if f == 1 " formula increase it