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| author | Björn-Egil Dahlberg <[email protected]> | 2013-10-01 23:15:50 +0200 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2014-01-28 15:56:27 +0100 |
| commit | 652ddd4c360cd2cc381ed033915d87d967310a49 (patch) | |
| tree | b750543ba423f391628de4e2c93c4f4eee88a892 /lib/compiler | |
| parent | 758702e24f0780130c6b3058426062a3761b7a6e (diff) | |
| download | otp-652ddd4c360cd2cc381ed033915d87d967310a49.tar.gz otp-652ddd4c360cd2cc381ed033915d87d967310a49.tar.bz2 otp-652ddd4c360cd2cc381ed033915d87d967310a49.zip | |
Extend representation for maps in Core Erlang
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/src/core_parse.hrl | 6 | ||||
| -rw-r--r-- | lib/compiler/src/core_parse.yrl | 19 | ||||
| -rw-r--r-- | lib/compiler/src/core_pp.erl | 7 |
3 files changed, 23 insertions, 9 deletions
diff --git a/lib/compiler/src/core_parse.hrl b/lib/compiler/src/core_parse.hrl index c134747991..40c3ae4582 100644 --- a/lib/compiler/src/core_parse.hrl +++ b/lib/compiler/src/core_parse.hrl @@ -97,8 +97,10 @@ -record(c_var, {anno=[], name :: cerl:var_name()}). --record(c_map_pair, {anno=[], key, val}). +-record(c_map_pair_assoc, {anno=[], key, val}). + +-record(c_map_pair_exact, {anno=[], key, val}). -record(c_map, {anno=[], var=#c_literal{val=[]} :: #c_var{} | #c_literal{}, - es :: [#c_map_pair{}]}). + es :: [#c_map_pair_assoc{}|#c_map_pair_exact{}]}). diff --git a/lib/compiler/src/core_parse.yrl b/lib/compiler/src/core_parse.yrl index b072950eeb..82ba11b0fc 100644 --- a/lib/compiler/src/core_parse.yrl +++ b/lib/compiler/src/core_parse.yrl @@ -46,7 +46,7 @@ receive_expr timeout try_expr sequence catch_expr variable clause clause_pattern -map_expr map_pairs map_pair +map_expr map_pairs map_pair map_pair_assoc map_pair_exact map_pattern map_pair_patterns map_pair_pattern annotation anno_fun anno_expression anno_expressions @@ -58,7 +58,7 @@ Terminals %% Separators -'(' ')' '{' '}' '[' ']' '|' ',' '->' '=' '/' '<' '>' ':' '-|' '#' '~' +'(' ')' '{' '}' '[' ']' '|' ',' '->' '=' '/' '<' '>' ':' '-|' '#' '~' '::' %% Keywords (atoms are assumed to always be single-quoted). @@ -190,7 +190,7 @@ map_pair_patterns -> map_pair_pattern : ['$1']. map_pair_patterns -> map_pair_pattern ',' map_pair_patterns : ['$1' | '$3']. map_pair_pattern -> '~' '<' anno_pattern ',' anno_pattern '>' : - #c_map_pair{key='$3',val='$5'}. + #c_map_pair_exact{key='$3',val='$5'}. cons_pattern -> '[' anno_pattern tail_pattern : #c_cons{hd='$2',tl='$3'}. @@ -286,14 +286,19 @@ tuple -> '{' anno_expressions '}' : c_tuple('$2'). map_expr -> '~' '{' '}' '~' : #c_map{es=[]}. map_expr -> '~' '{' map_pairs '}' '~' : #c_map{es='$3'}. -map_expr -> variable '~' '{' '}' '~' : #c_map{var='$',es=[]}. +map_expr -> variable '~' '{' '}' '~' : #c_map{var='$1',es=[]}. map_expr -> variable '~' '{' map_pairs '}' '~' : #c_map{var='$1',es='$4'}. map_pairs -> map_pair : ['$1']. map_pairs -> map_pair ',' map_pairs : ['$1' | '$3']. -map_pair -> '~' '<' anno_expression ',' anno_expression'>' : - #c_map_pair{key='$3',val='$5'}. +map_pair -> map_pair_assoc : '$1'. +map_pair -> map_pair_exact : '$1'. + +map_pair_assoc -> '::' '<' anno_expression ',' anno_expression'>' : + #c_map_pair_assoc{key='$3',val='$5'}. +map_pair_exact -> '~' '<' anno_expression ',' anno_expression'>' : + #c_map_pair_exact{key='$3',val='$5'}. cons -> '[' anno_expression tail : c_cons('$2', '$3'). @@ -409,3 +414,5 @@ Erlang code. tok_val(T) -> element(3, T). tok_line(T) -> element(2, T). + +%% vim: syntax=erlang diff --git a/lib/compiler/src/core_pp.erl b/lib/compiler/src/core_pp.erl index c8c59b9246..f775d87507 100644 --- a/lib/compiler/src/core_pp.erl +++ b/lib/compiler/src/core_pp.erl @@ -172,7 +172,12 @@ format_1(#c_map{es=Es}, Ctxt) -> format_hseq(Es, ",", add_indent(Ctxt, 1), fun format/2), "}~" ]; -format_1(#c_map_pair{key=K,val=V}, Ctxt) -> +format_1(#c_map_pair_assoc{key=K,val=V}, Ctxt) -> + ["::<", + format_hseq([K,V], ",", add_indent(Ctxt, 1), fun format/2), + ">" + ]; +format_1(#c_map_pair_exact{key=K,val=V}, Ctxt) -> ["~<", format_hseq([K,V], ",", add_indent(Ctxt, 1), fun format/2), ">" |