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|
%{
(* Workaround for this dune bug: https://github.com/ocaml/dune/issues/2450 *)
module Css = struct end
open Types
%}
%token EOF
%token LEFT_BRACE
%token RIGHT_BRACE
%token LEFT_PAREN
%token RIGHT_PAREN
%token LEFT_BRACKET
%token RIGHT_BRACKET
%token COLON
%token DOT
(* Whitespaces are detected only in selectors, before ":", ".", and "#", to
* disambiguate between "p :first-child" and "p:first-child", these
* whitespaces are replaced with "*" *)
%token WHITESPACE
%token SEMI_COLON
%token PERCENTAGE
%token IMPORTANT
%token <string> IDENT
%token <string> STRING
%token <string> URI
%token <string> OPERATOR
%token <string> DELIM
%token <string> NESTED_AT_RULE
%token <string> AT_RULE_WITHOUT_BODY
%token <string> AT_RULE
%token <string> FUNCTION
%token <string> HASH
%token <string> NUMBER
%token <string> UNICODE_RANGE
%token <string * string * Types.dimension> FLOAT_DIMENSION
%token <string * string> DIMENSION
%start <Types.Stylesheet.t> stylesheet
%start <Types.Declaration_list.t> declaration_list
%%
stylesheet:
s = stylesheet_without_eof; EOF { s }
;
stylesheet_without_eof:
rs = list(rule) { (rs, Lex_buffer.make_loc_and_fix $startpos $endpos) }
;
declaration_list:
ds = declarations_with_loc; EOF { ds }
;
rule:
| r = at_rule { Rule.At_rule r }
| r = style_rule { Rule.Style_rule r }
;
at_rule:
| name = AT_RULE_WITHOUT_BODY; xs = prelude_with_loc; SEMI_COLON {
{ At_rule.name = (name, Lex_buffer.make_loc_and_fix $startpos(name) $endpos(name));
prelude = xs;
block = Brace_block.Empty;
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
| name = NESTED_AT_RULE; xs = prelude_with_loc; LEFT_BRACE; s = stylesheet_without_eof; RIGHT_BRACE {
{ At_rule.name = (name, Lex_buffer.make_loc_and_fix $startpos(name) $endpos(name));
prelude = xs;
block = Brace_block.Stylesheet s;
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
| name = AT_RULE; xs = prelude_with_loc; LEFT_BRACE; ds = declarations_with_loc; RIGHT_BRACE {
{ At_rule.name = (name, Lex_buffer.make_loc_and_fix $startpos(name) $endpos(name));
prelude = xs;
block = Brace_block.Declaration_list ds;
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
;
style_rule:
| xs = prelude_with_loc; LEFT_BRACE; RIGHT_BRACE {
{ Style_rule.prelude = xs;
block = [], Location.none;
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
| xs = prelude_with_loc; LEFT_BRACE; ds = declarations_with_loc; RIGHT_BRACE {
{ Style_rule.prelude = xs;
block = ds;
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
;
prelude_with_loc:
xs = prelude { (xs, Lex_buffer.make_loc_and_fix $startpos $endpos) }
;
prelude:
xs = list(component_value_with_loc_in_prelude) { xs }
;
declarations_with_loc:
| ds = declarations { (ds, Lex_buffer.make_loc_and_fix ~loc_ghost:true $startpos $endpos) }
;
declarations:
| ds = declarations_without_ending_semi_colon { List.rev ds }
| ds = declarations_without_ending_semi_colon; SEMI_COLON { List.rev ds }
;
declarations_without_ending_semi_colon:
| d = declaration_or_at_rule { [d] }
| ds = declarations_without_ending_semi_colon; SEMI_COLON; d = declaration_or_at_rule { d :: ds }
;
declaration_or_at_rule:
| d = declaration { Declaration_list.Declaration d }
| r = at_rule { Declaration_list.At_rule r }
;
declaration:
n = IDENT; option(WHITESPACE); COLON; v = list(component_value_with_loc); i = boption(IMPORTANT) {
{ Declaration.name = (n, Lex_buffer.make_loc_and_fix $startpos(n) $endpos(n));
value = (v, Lex_buffer.make_loc_and_fix $startpos(v) $endpos(v));
important = (i, Lex_buffer.make_loc_and_fix $startpos(i) $endpos(i));
loc = Lex_buffer.make_loc_and_fix $startpos $endpos;
}
}
;
paren_block:
LEFT_PAREN; xs = list(component_value_with_loc); RIGHT_PAREN { xs }
;
bracket_block:
LEFT_BRACKET; xs = list(component_value_with_loc); RIGHT_BRACKET { xs }
;
component_value_with_loc:
| c = component_value { (c, Lex_buffer.make_loc_and_fix $startpos $endpos) }
component_value:
| b = paren_block { Component_value.Paren_block b }
| b = bracket_block { Component_value.Bracket_block b }
| n = NUMBER; PERCENTAGE { Component_value.Percentage n }
| i = IDENT { Component_value.Ident i }
| s = STRING { Component_value.String s }
| u = URI { Component_value.Uri u }
| o = OPERATOR { Component_value.Operator o }
| d = DELIM { Component_value.Delim d }
| option(WHITESPACE); COLON { Component_value.Delim ":" }
| option(WHITESPACE); DOT { Component_value.Delim "." }
| f = FUNCTION; xs = list(component_value_with_loc); RIGHT_PAREN {
Component_value.Function ((f, Lex_buffer.make_loc_and_fix $startpos(f) $endpos(f)),
(xs, Lex_buffer.make_loc_and_fix $startpos(xs) $endpos(xs)))
}
| option(WHITESPACE); h = HASH { Component_value.Hash h }
| n = NUMBER { Component_value.Number n }
| r = UNICODE_RANGE { Component_value.Unicode_range r }
| d = FLOAT_DIMENSION { Component_value.Float_dimension d }
| d = DIMENSION { Component_value.Dimension d }
;
component_value_with_loc_in_prelude:
| c = component_value_in_prelude { (c, Lex_buffer.make_loc_and_fix $startpos $endpos) }
component_value_in_prelude:
| b = paren_block { Component_value.Paren_block b }
| b = bracket_block { Component_value.Bracket_block b }
| n = NUMBER; PERCENTAGE { Component_value.Percentage n }
| i = IDENT { Component_value.Ident i }
| s = STRING { Component_value.String s }
| u = URI { Component_value.Uri u }
| o = OPERATOR { Component_value.Operator o }
| d = DELIM { Component_value.Delim d }
| WHITESPACE { Component_value.Delim "*" }
| COLON { Component_value.Delim ":" }
| DOT { Component_value.Delim "." }
| f = FUNCTION; xs = list(component_value_with_loc); RIGHT_PAREN {
Component_value.Function ((f, Lex_buffer.make_loc_and_fix $startpos(f) $endpos(f)),
(xs, Lex_buffer.make_loc_and_fix $startpos(xs) $endpos(xs)))
}
| h = HASH { Component_value.Hash h }
| n = NUMBER { Component_value.Number n }
| r = UNICODE_RANGE { Component_value.Unicode_range r }
| d = FLOAT_DIMENSION { Component_value.Float_dimension d }
| d = DIMENSION { Component_value.Dimension d }
;
|
