diff options
| author | Tavian Barnes <tavianator@gmail.com> | 2010-02-01 21:27:12 -0500 |
|---|---|---|
| committer | Tavian Barnes <tavianator@gmail.com> | 2010-02-01 21:27:12 -0500 |
| commit | 40752ebfb3ec8355b4f17681f8aab0ca7f6992f4 (patch) | |
| tree | d5c1a693cc5468e2d1688fc5ee49e1ea6e7e06e1 /dimension/directives.rules | |
| parent | 58634f3410db1ff16f6e21d9d0e1fcfaa17b2453 (diff) | |
| download | dimension-40752ebfb3ec8355b4f17681f8aab0ca7f6992f4.tar.xz | |
Implement #declare, #local, and #undef in middle tier.
Oh God this is ugly...
Diffstat (limited to 'dimension/directives.rules')
| -rw-r--r-- | dimension/directives.rules | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/dimension/directives.rules b/dimension/directives.rules new file mode 100644 index 0000000..916039b --- /dev/null +++ b/dimension/directives.rules @@ -0,0 +1,35 @@ +/* + * Start symbol + */ + +LANGUAGE_DIRECTIVE: "#declare" "identifier" "=" RVALUE { + dmnsn_declare_symbol(symtable, $2, $4); + free($2); + dmnsn_delete_astnode($4); + } + | "#local" "identifier" "=" RVALUE { + dmnsn_local_symbol(symtable, $2, $4); + free($2); + dmnsn_delete_astnode($4); + } + | "#undef" "identifier" { + dmnsn_undef_symbol(symtable, $2); + free($2); + } + +RVALUE: ARITH_EXPR ";" %dprec 2 { + $$ = dmnsn_eval($1, symtable); + dmnsn_delete_astnode($1); + + if ($$.type == DMNSN_AST_NONE) { + dmnsn_delete_astnode($$); + YYERROR; + } + } + | COLOR ";" %dprec 1 + | OBJECT + | TEXTURE + | PIGMENT + | FINISH + | CAMERA + | TRANSFORMATION |