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| author | Tavian Barnes <tavianator@gmail.com> | 2009-12-16 15:49:48 -0500 |
|---|---|---|
| committer | Tavian Barnes <tavianator@gmail.com> | 2009-12-16 15:49:48 -0500 |
| commit | 8c28c51a13c2900c17d361e8d1f49cb0ea7c2977 (patch) | |
| tree | 8e2e818a5a432f3a48122e5e680119e7a3dd15ef | |
| parent | e7975923d6b04acaac0875beb5e4c81ac120d116 (diff) | |
| download | dimension-8c28c51a13c2900c17d361e8d1f49cb0ea7c2977.tar.xz | |
Add support for color keyword groups.
| -rw-r--r-- | dimension/grammar.y | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/dimension/grammar.y b/dimension/grammar.y index 4bf5ea4..a8dc37f 100644 --- a/dimension/grammar.y +++ b/dimension/grammar.y @@ -748,6 +748,8 @@ yyerror(YYLTYPE *locp, dmnsn_array *astree, dmnsn_token_iterator *iterator, %type <astnode> COLOR %type <astnode> COLOR_BODY %type <astnode> COLOR_VECTOR +%type <astnode> COLOR_KEYWORD_GROUP +%type <astnode> COLOR_KEYWORD_GROUP_INIT %destructor { dmnsn_delete_astnode($$); } <astnode> @@ -1092,6 +1094,7 @@ COLOR: COLOR_BODY ; COLOR_BODY: COLOR_VECTOR + | COLOR_KEYWORD_GROUP ; COLOR_VECTOR: "rgb" VECTOR { $$ = $2; } @@ -1106,6 +1109,57 @@ COLOR_VECTOR: "rgb" VECTOR { $$ = $2; } } | "rgbft" VECTOR { $$ = $2; } | VECTOR +; + +COLOR_KEYWORD_GROUP: COLOR_KEYWORD_GROUP_INIT COLOR_KEYWORD_ITEM + | COLOR_KEYWORD_GROUP COLOR_KEYWORD_ITEM +; + +COLOR_KEYWORD_GROUP_INIT: /* empty */ { + dmnsn_astnode zero = + dmnsn_new_astnode(DMNSN_AST_INTEGER, @$); + zero.ptr = malloc(sizeof(long)); + if (!zero.ptr) + dmnsn_error(DMNSN_SEVERITY_HIGH, + "Failed to allocate room for integer."); + *(long *)zero.ptr = 0; + + $$ = dmnsn_eval_vector(zero); + dmnsn_delete_astnode(zero); + } +; + +COLOR_KEYWORD_ITEM: "red" FLOAT { + dmnsn_astnode old; + dmnsn_array_get($<astnode>0.children, 0, &old); + dmnsn_array_set($<astnode>0.children, 0, &$2); + dmnsn_delete_astnode(old); + } + | "green" FLOAT { + dmnsn_astnode old; + dmnsn_array_get($<astnode>0.children, 1, &old); + dmnsn_array_set($<astnode>0.children, 1, &$2); + dmnsn_delete_astnode(old); + } + | "blue" FLOAT { + dmnsn_astnode old; + dmnsn_array_get($<astnode>0.children, 2, &old); + dmnsn_array_set($<astnode>0.children, 2, &$2); + dmnsn_delete_astnode(old); + } + | "filter" FLOAT { + dmnsn_astnode old; + dmnsn_array_get($<astnode>0.children, 3, &old); + dmnsn_array_set($<astnode>0.children, 3, &$2); + dmnsn_delete_astnode(old); + } + | "transmit" FLOAT { + dmnsn_astnode old; + dmnsn_array_get($<astnode>0.children, 4, &old); + dmnsn_array_set($<astnode>0.children, 4, &$2); + dmnsn_delete_astnode(old); + } +; %% |