diff options
Diffstat (limited to 'dimension/grammar.y')
| -rw-r--r-- | dimension/grammar.y | 439 |
1 files changed, 222 insertions, 217 deletions
diff --git a/dimension/grammar.y b/dimension/grammar.y index c97818d..2950941 100644 --- a/dimension/grammar.y +++ b/dimension/grammar.y @@ -188,6 +188,8 @@ yyerror(YYLTYPE *locp, dmnsn_array *astree, dmnsn_token_iterator *iterator, %error-verbose %token-table +%expect 0 + %parse-param {dmnsn_array *astree} %parse-param {dmnsn_token_iterator *iterator} %lex-param {dmnsn_token_iterator *iterator} @@ -742,276 +744,279 @@ yyerror(YYLTYPE *locp, dmnsn_array *astree, dmnsn_token_iterator *iterator, /* Start symbol */ -SCENE: /* empty */ { } - | SCENE SCENE_ITEM { - dmnsn_array_push(astree, &$2); - } +SCENE: /* empty */ { } + | SCENE SCENE_ITEM { + dmnsn_array_push(astree, &$2); + } ; -SCENE_ITEM: OBJECT +SCENE_ITEM: OBJECT ; /* Transformations */ -TRANSFORMATION: "rotate" VECTOR { - $$ = dmnsn_new_astnode1(DMNSN_AST_ROTATION, @$, $2); - } - | "scale" VECTOR { - $$ = dmnsn_new_astnode1(DMNSN_AST_SCALE, @$, $2); - } - | "translate" VECTOR { - $$ = dmnsn_new_astnode1(DMNSN_AST_TRANSLATION, @$, $2); - } +TRANSFORMATION: "rotate" VECTOR { + $$ = dmnsn_new_astnode1(DMNSN_AST_ROTATION, @$, $2); + } + | "scale" VECTOR { + $$ = dmnsn_new_astnode1(DMNSN_AST_SCALE, @$, $2); + } + | "translate" VECTOR { + $$ = dmnsn_new_astnode1(DMNSN_AST_TRANSLATION, @$, $2); + } +; /* Objects */ -OBJECT: FINITE_SOLID_OBJECT +OBJECT: FINITE_SOLID_OBJECT ; -FINITE_SOLID_OBJECT: BOX - | SPHERE +FINITE_SOLID_OBJECT: BOX + | SPHERE ; -BOX: "box" "{" - VECTOR "," VECTOR - OBJECT_MODIFIERS - "}" - { - $$ = dmnsn_new_astnode3(DMNSN_AST_BOX, @$, $3, $5, $6); - } +BOX: "box" "{" + VECTOR "," VECTOR + OBJECT_MODIFIERS + "}" + { + $$ = dmnsn_new_astnode3(DMNSN_AST_BOX, @$, $3, $5, $6); + } ; -SPHERE: "sphere" "{" - VECTOR "," FLOAT - OBJECT_MODIFIERS - "}" - { - $$ = dmnsn_new_astnode3(DMNSN_AST_SPHERE, @$, $3, $5, $6); - } +SPHERE: "sphere" "{" + VECTOR "," FLOAT + OBJECT_MODIFIERS + "}" + { + $$ = dmnsn_new_astnode3(DMNSN_AST_SPHERE, @$, $3, $5, $6); + } ; /* Object modifiers */ -OBJECT_MODIFIERS: /* empty */ { - $$ = dmnsn_new_astnode(DMNSN_AST_OBJECT_MODIFIERS, - @$); - } - | OBJECT_MODIFIERS OBJECT_MODIFIER { - $$ = $1; - dmnsn_array_push($$.children, &$2); - } +OBJECT_MODIFIERS: /* empty */ { + $$ = dmnsn_new_astnode(DMNSN_AST_OBJECT_MODIFIERS, @$); + } + | OBJECT_MODIFIERS OBJECT_MODIFIER { + $$ = $1; + dmnsn_array_push($$.children, &$2); + } ; -OBJECT_MODIFIER: TRANSFORMATION - | TEXTURE - | PIGMENT { - $$ = dmnsn_new_astnode1(DMNSN_AST_TEXTURE, @$, $1); - } +OBJECT_MODIFIER: TRANSFORMATION + | TEXTURE + | PIGMENT { + $$ = dmnsn_new_astnode1(DMNSN_AST_TEXTURE, @$, $1); + } ; /* Textures */ -TEXTURE: "texture" "{" - TEXTURE_ITEMS - "}" - { $$ = $3; } +TEXTURE: "texture" "{" + TEXTURE_ITEMS + "}" + { $$ = $3; } ; -TEXTURE_ITEMS: /* empty */ { - $$ = dmnsn_new_astnode(DMNSN_AST_TEXTURE, @$); - } - | TEXTURE_ITEMS PIGMENT { - $$ = $1; - dmnsn_array_push($$.children, &$2); - } +TEXTURE_ITEMS: /* empty */ { + $$ = dmnsn_new_astnode(DMNSN_AST_TEXTURE, @$); + } + | TEXTURE_ITEMS PIGMENT { + $$ = $1; + dmnsn_array_push($$.children, &$2); + } ; /* Pigments */ -PIGMENT: "pigment" "{" - PIGMENT_TYPE - "}" - { - $$ = dmnsn_new_astnode1(DMNSN_AST_PIGMENT, @$, $3); - } +PIGMENT: "pigment" "{" + PIGMENT_TYPE + "}" + { + $$ = dmnsn_new_astnode1(DMNSN_AST_PIGMENT, @$, $3); + } +; -PIGMENT_TYPE: /* empty */ { - $$ = dmnsn_new_astnode(DMNSN_AST_NONE, @$); - } - | COLOR +PIGMENT_TYPE: /* empty */ { + $$ = dmnsn_new_astnode(DMNSN_AST_NONE, @$); + } + | COLOR +; /* Floats */ -FLOAT: FLOAT_EXPR { - $$ = dmnsn_eval_scalar($1); - dmnsn_delete_astnode($1); - } +FLOAT: FLOAT_EXPR { + $$ = dmnsn_eval_scalar($1); + dmnsn_delete_astnode($1); + } ; -FLOAT_EXPR: FLOAT_LITERAL - | FLOAT_EXPR "+" FLOAT_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_ADD, @$, $1, $3); - } - | FLOAT_EXPR "-" FLOAT_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_SUB, @$, $1, $3); - } - | FLOAT_EXPR "*" FLOAT_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_MUL, @$, $1, $3); - } - | FLOAT_EXPR "/" FLOAT_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_DIV, @$, $1, $3); - } - | "+" FLOAT_EXPR %prec DMNSN_T_NEGATE { $$ = $2; } - | "-" FLOAT_EXPR %prec DMNSN_T_NEGATE { - $$ = dmnsn_new_astnode1(DMNSN_AST_NEGATE, @$, $2); - } - - | VECTOR_EXPR "." "x" { - dmnsn_array_get($1.children, 0, &$$); - dmnsn_array_remove($1.children, 0); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "u" { - dmnsn_array_get($1.children, 0, &$$); - dmnsn_array_remove($1.children, 0); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "red" { - dmnsn_array_get($1.children, 0, &$$); - dmnsn_array_remove($1.children, 0); - dmnsn_delete_astnode($1); - } - - | VECTOR_EXPR "." "y" { - dmnsn_array_get($1.children, 1, &$$); - dmnsn_array_remove($1.children, 1); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "v" { - dmnsn_array_get($1.children, 1, &$$); - dmnsn_array_remove($1.children, 1); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "green" { - dmnsn_array_get($1.children, 1, &$$); - dmnsn_array_remove($1.children, 1); - dmnsn_delete_astnode($1); - } - - | VECTOR_EXPR "." "z" { - dmnsn_array_get($1.children, 2, &$$); - dmnsn_array_remove($1.children, 2); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "blue" { - dmnsn_array_get($1.children, 2, &$$); - dmnsn_array_remove($1.children, 2); - dmnsn_delete_astnode($1); - } - - | VECTOR_EXPR "." "t" { - dmnsn_array_get($1.children, 3, &$$); - dmnsn_array_remove($1.children, 3); - dmnsn_delete_astnode($1); - } - | VECTOR_EXPR "." "filter" { - dmnsn_array_get($1.children, 3, &$$); - dmnsn_array_remove($1.children, 3); - dmnsn_delete_astnode($1); - } - - | VECTOR_EXPR "." "transmit" { - dmnsn_array_get($1.children, 4, &$$); - dmnsn_array_remove($1.children, 4); - dmnsn_delete_astnode($1); - } - | "(" FLOAT_EXPR ")" { $$ = $2; } +FLOAT_EXPR: FLOAT_LITERAL + | FLOAT_EXPR "+" FLOAT_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_ADD, @$, $1, $3); + } + | FLOAT_EXPR "-" FLOAT_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_SUB, @$, $1, $3); + } + | FLOAT_EXPR "*" FLOAT_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_MUL, @$, $1, $3); + } + | FLOAT_EXPR "/" FLOAT_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_DIV, @$, $1, $3); + } + | "+" FLOAT_EXPR %prec DMNSN_T_NEGATE { $$ = $2; } + | "-" FLOAT_EXPR %prec DMNSN_T_NEGATE { + $$ = dmnsn_new_astnode1(DMNSN_AST_NEGATE, @$, $2); + } + + | VECTOR_EXPR "." "x" { + dmnsn_array_get($1.children, 0, &$$); + dmnsn_array_remove($1.children, 0); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "u" { + dmnsn_array_get($1.children, 0, &$$); + dmnsn_array_remove($1.children, 0); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "red" { + dmnsn_array_get($1.children, 0, &$$); + dmnsn_array_remove($1.children, 0); + dmnsn_delete_astnode($1); + } + + | VECTOR_EXPR "." "y" { + dmnsn_array_get($1.children, 1, &$$); + dmnsn_array_remove($1.children, 1); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "v" { + dmnsn_array_get($1.children, 1, &$$); + dmnsn_array_remove($1.children, 1); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "green" { + dmnsn_array_get($1.children, 1, &$$); + dmnsn_array_remove($1.children, 1); + dmnsn_delete_astnode($1); + } + + | VECTOR_EXPR "." "z" { + dmnsn_array_get($1.children, 2, &$$); + dmnsn_array_remove($1.children, 2); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "blue" { + dmnsn_array_get($1.children, 2, &$$); + dmnsn_array_remove($1.children, 2); + dmnsn_delete_astnode($1); + } + + | VECTOR_EXPR "." "t" { + dmnsn_array_get($1.children, 3, &$$); + dmnsn_array_remove($1.children, 3); + dmnsn_delete_astnode($1); + } + | VECTOR_EXPR "." "filter" { + dmnsn_array_get($1.children, 3, &$$); + dmnsn_array_remove($1.children, 3); + dmnsn_delete_astnode($1); + } + + | VECTOR_EXPR "." "transmit" { + dmnsn_array_get($1.children, 4, &$$); + dmnsn_array_remove($1.children, 4); + dmnsn_delete_astnode($1); + } + + | "(" FLOAT_EXPR ")" { $$ = $2; } ; -FLOAT_LITERAL: "integer" { - $$ = dmnsn_new_astnode(DMNSN_AST_INTEGER, @$); - $$.ptr = malloc(sizeof(long)); - if (!$$.ptr) - dmnsn_error(DMNSN_SEVERITY_HIGH, - "Failed to allocate room for integer."); - - *(long *)$$.ptr = strtol($1, NULL, 0); - } - | "float" { - $$ = dmnsn_new_astnode(DMNSN_AST_FLOAT, @$); - $$.ptr = malloc(sizeof(double)); - if (!$$.ptr) - dmnsn_error(DMNSN_SEVERITY_HIGH, - "Failed to allocate room for float."); - - *(double *)$$.ptr = strtod($1, NULL); - } +FLOAT_LITERAL: "integer" { + $$ = dmnsn_new_astnode(DMNSN_AST_INTEGER, @$); + $$.ptr = malloc(sizeof(long)); + if (!$$.ptr) + dmnsn_error(DMNSN_SEVERITY_HIGH, + "Failed to allocate room for integer."); + + *(long *)$$.ptr = strtol($1, NULL, 0); + } + | "float" { + $$ = dmnsn_new_astnode(DMNSN_AST_FLOAT, @$); + $$.ptr = malloc(sizeof(double)); + if (!$$.ptr) + dmnsn_error(DMNSN_SEVERITY_HIGH, + "Failed to allocate room for float."); + + *(double *)$$.ptr = strtod($1, NULL); + } ; /* Vectors */ -VECTOR: VECTOR_EXPR { - $$ = dmnsn_eval_vector($1); - dmnsn_delete_astnode($1); - } +VECTOR: VECTOR_EXPR { + $$ = dmnsn_eval_vector($1); + dmnsn_delete_astnode($1); + } ; -VECTOR_EXPR: VECTOR_LITERAL - | VECTOR_EXPR "+" VECTOR_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_ADD, @$, $1, $3); - } - | VECTOR_EXPR "-" VECTOR_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_SUB, @$, $1, $3); - } - | VECTOR_EXPR "*" VECTOR_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_MUL, @$, $1, $3); - } - | VECTOR_EXPR "/" VECTOR_EXPR { - $$ = dmnsn_new_astnode2(DMNSN_AST_DIV, @$, $1, $3); - } - | "+" VECTOR_EXPR %prec DMNSN_T_NEGATE { $$ = $2; } - | "-" VECTOR_EXPR %prec DMNSN_T_NEGATE { - $$ = dmnsn_new_astnode1(DMNSN_AST_NEGATE, @$, $2); - } - | "(" VECTOR_EXPR ")" { $$ = $2; } +VECTOR_EXPR: VECTOR_LITERAL + | VECTOR_EXPR "+" VECTOR_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_ADD, @$, $1, $3); + } + | VECTOR_EXPR "-" VECTOR_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_SUB, @$, $1, $3); + } + | VECTOR_EXPR "*" VECTOR_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_MUL, @$, $1, $3); + } + | VECTOR_EXPR "/" VECTOR_EXPR { + $$ = dmnsn_new_astnode2(DMNSN_AST_DIV, @$, $1, $3); + } + | "+" VECTOR_EXPR %prec DMNSN_T_NEGATE { $$ = $2; } + | "-" VECTOR_EXPR %prec DMNSN_T_NEGATE { + $$ = dmnsn_new_astnode1(DMNSN_AST_NEGATE, @$, $2); + } + | "(" VECTOR_EXPR ")" { $$ = $2; } ; -VECTOR_LITERAL: "<" FLOAT_EXPR "," FLOAT_EXPR ">" { - $$ = dmnsn_new_astnode2(DMNSN_AST_VECTOR, @$, $2, $4); - } - | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR ">" { - $$ = dmnsn_new_astnode3(DMNSN_AST_VECTOR, @$, $2, $4, $6); - } - | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR "," - FLOAT_EXPR ">" { - $$ = dmnsn_new_astnode4(DMNSN_AST_VECTOR, @$, $2, $4, $6, $8); - } - | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR "," - FLOAT_EXPR "," FLOAT_EXPR ">" { - $$ = dmnsn_new_astnode5(DMNSN_AST_VECTOR, @$, - $2, $4, $6, $8, $10); - } +VECTOR_LITERAL: "<" FLOAT_EXPR "," FLOAT_EXPR ">" { + $$ = dmnsn_new_astnode2(DMNSN_AST_VECTOR, @$, $2, $4); + } + | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR ">" { + $$ = dmnsn_new_astnode3(DMNSN_AST_VECTOR, @$, $2, $4, $6); + } + | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR "," + FLOAT_EXPR ">" { + $$ = dmnsn_new_astnode4(DMNSN_AST_VECTOR, @$, $2, $4, $6, $8); + } + | "<" FLOAT_EXPR "," FLOAT_EXPR "," FLOAT_EXPR "," + FLOAT_EXPR "," FLOAT_EXPR ">" { + $$ = dmnsn_new_astnode5(DMNSN_AST_VECTOR, @$, + $2, $4, $6, $8, $10); + } ; -COLOR: COLOR_BODY - | "color" COLOR_BODY { $$ = $2; } +COLOR: COLOR_BODY + | "color" COLOR_BODY { $$ = $2; } ; -COLOR_BODY: COLOR_VECTOR +COLOR_BODY: COLOR_VECTOR ; -COLOR_VECTOR: "rgb" VECTOR { $$ = $2; } - | "rgbf" VECTOR { $$ = $2; } - | "rgbt" VECTOR { - /* Swap the transmit and filter components */ - $$ = $2; - dmnsn_astnode temp; - dmnsn_array_get($$.children, 4, &temp); - dmnsn_array_set($$.children, 4, dmnsn_array_at($$.children, 3)); - dmnsn_array_set($$.children, 3, &temp); - } - | "rgbft" VECTOR { $$ = $2; } - | VECTOR +COLOR_VECTOR: "rgb" VECTOR { $$ = $2; } + | "rgbf" VECTOR { $$ = $2; } + | "rgbt" VECTOR { + /* Swap the transmit and filter components */ + $$ = $2; + dmnsn_astnode temp; + dmnsn_array_get($$.children, 4, &temp); + dmnsn_array_set($$.children, 4, dmnsn_array_at($$.children, 3)); + dmnsn_array_set($$.children, 3, &temp); + } + | "rgbft" VECTOR { $$ = $2; } + | VECTOR %% |