summary refs log tree commit diff stats
path: root/lib/core
diff options
context:
space:
mode:
authorZahary Karadjov <zahary@gmail.com>2013-08-23 21:32:55 +0300
committerZahary Karadjov <zahary@gmail.com>2013-08-23 21:36:56 +0300
commit037a1a3e0f2eda7dbcb8034929675fb714649bce (patch)
tree301c6e70e85133e04e652721280566c689ebebe1 /lib/core
parent56d75bd23ba8e302277614aa5e0ec1ae002fb56d (diff)
downloadNim-037a1a3e0f2eda7dbcb8034929675fb714649bce.tar.gz
parsing of user defined type classes
Diffstat (limited to 'lib/core')
-rw-r--r--lib/core/macros.nim2


1 files changed, 1 insertions, 1 deletions
diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index 879c66df7..362e670e6 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -59,7 +59,7 @@ type
     nnkBindStmt, nnkMixinStmt,
     nnkCommentStmt, nnkStmtListExpr, nnkBlockExpr,
     nnkStmtListType, nnkBlockType, nnkTypeOfExpr, nnkObjectTy,
-    nnkTupleTy, nnkRecList, nnkRecCase, nnkRecWhen,
+    nnkTupleTy, nnkTypeClassTy, nnkRecList, nnkRecCase, nnkRecWhen,
     nnkRefTy, nnkPtrTy, nnkVarTy,
     nnkConstTy, nnkMutableTy,
     nnkDistinctTy,

 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-02-01 13:48:52 +0000


 


 href='#n141'>141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172


//: Calls can take ingredients just like primitives. To access a recipe's
//: ingredients, use 'next-ingredient'.

:(scenario next_ingredient)
recipe main [
  f 2
]
recipe f [
  12:number <- next-ingredient
  13:number <- add 1, 12:number
]
+mem: storing 3 in location 13

:(scenario next_ingredient_missing)
recipe main [
  f
]
recipe f [
  _, 12:number <- next-ingredient
]
+mem: storing 0 in location 12

:(before "End call Fields")
vector<vector<double> > ingredient_atoms;
vector<type_tree*> ingredient_types;
long long int next_ingredient_to_process;
:(before "End call Constructor")
next_ingredient_to_process = 0;

:(before "End Call Housekeeping")
for (long long int i = 0; i < SIZE(ingredients); ++i) {
  current_call().ingredient_atoms.push_back(ingredients.at(i));
  reagent ingredient = call_instruction.ingredients.at(i);
  canonize_type(ingredient);
  current_call().ingredient_types.push_back(ingredient.type);
  ingredient.type = NULL;  // release long-lived pointer
}
:(before "End call Destructor")
for (long long int i = 0; i < SIZE(ingredient_types); ++i) {
  delete ingredient_types.at(i);
}

:(before "End Primitive Recipe Declarations")
NEXT_INGREDIENT,
:(before "End Primitive Recipe Numbers")
put(Recipe_ordinal, "next-ingredient", NEXT_INGREDIENT);
:(before "End Primitive Recipe Checks")
case NEXT_INGREDIENT: {
  if (!inst.ingredients.empty()) {
    raise_error << maybe(get(Recipe, r).name) << "'next-ingredient' didn't expect any ingredients in '" << inst.to_string() << "'\n" << end();
    break;
  }
  break;
}
:(before "End Primitive Recipe Implementations")
case NEXT_INGREDIENT: {
  assert(!Current_routine->calls.empty());
  if (current_call().next_ingredient_to_process < SIZE(current_call().ingredient_atoms)) {
    reagent product = current_instruction().products.at(0);
    canonize_type(product);
    if (!types_match(product,
                     current_call().ingredient_types.at(current_call().next_ingredient_to_process),
                     current_call().ingredient_atoms.at(current_call().next_ingredient_to_process)
                     )) {
      raise_error << maybe(current_recipe_name()) << "wrong type for ingredient " << current_instruction().products.at(0).original_string << '\n' << end();
    }
    products.push_back(
        current_call().ingredient_atoms.at(current_call().next_ingredient_to_process));
    assert(SIZE(products) == 1);  products.resize(2);  // push a new vector
    products.at(1).push_back(1);
    ++current_call().next_ingredient_to_process;
  }
  else {
    if (SIZE(current_instruction().products) < 2)
      raise_error << maybe(current_recipe_name()) << "no ingredient to save in " << current_instruction().products.at(0).original_string << '\n' << end();
    if (current_instruction().products.empty()) break;
    products.resize(2);
    // pad the first product with sufficient zeros to match its type
    long long int size = size_of(current_instruction().products.at(0));
    for (long long int i = 0; i < size; ++i) {
      products.at(0).push_back(0);
    }
    products.at(1).push_back(0);
  }
  break;
}

:(scenario next_ingredient_fail_on_missing)
% Hide_errors = true;
recipe main [
  f
]
recipe f [
  11:number <- next-ingredient
]
+error: f: no ingredient to save in 11:number

:(scenario rewind_ingredients)
recipe main [
  f 2
]
recipe f [
  12:number <- next-ingredient  # consume ingredient
  _, 1:boolean <- next-ingredient  # will not find any ingredients
  rewind-ingredients
  13:number, 2:boolean <- next-ingredient  # will find ingredient again
]
+mem: storing 2 in location 12
+mem: storing 0 in location 1
+mem: storing 2 in location 13
+mem: storing 1 in location 2

:(before "End Primitive Recipe Declarations")
REWIND_INGREDIENTS,
:(before "End Primitive Recipe Numbers")
put(Recipe_ordinal, "rewind-ingredients", REWIND_INGREDIENTS);
:(before "End Primitive Recipe Checks")
case REWIND_INGREDIENTS: {
  break;
}
:(before "End Primitive Recipe Implementations")
case REWIND_INGREDIENTS: {
  current_call().next_ingredient_to_process = 0;
  break;
}

:(scenario ingredient)
recipe main [
  f 1, 2
]
recipe f [
  12:number <- ingredient 1  # consume second ingredient first
  13:number, 1:boolean <- next-ingredient  # next-ingredient tries to scan past that
]
+mem: storing 2 in location 12
+mem: storing 0 in location 1

:(before "End Primitive Recipe Declarations")
INGREDIENT,
:(before "End Primitive Recipe Numbers")
put(Recipe_ordinal, "ingredient", INGREDIENT);
:(before "End Primitive Recipe Checks")
case INGREDIENT: {
  if (SIZE(inst.ingredients) != 1) {
    raise_error << maybe(get(Recipe, r).name) << "'ingredient' expects exactly one ingredient, but got '" << inst.to_string() << "'\n" << end();
    break;
  }
  if (!is_literal(inst.ingredients.at(0)) && !is_mu_number(inst.ingredients.at(0))) {
    raise_error << maybe(get(Recipe, r).name) << "'ingredient' expects a literal ingredient, but got " << inst.ingredients.at(0).original_string << '\n' << end();
    break;
  }
  break;
}
:(before "End Primitive Recipe Implementations")
case INGREDIENT: {
  if (static_cast<long long int>(ingredients.at(0).at(0)) < SIZE(current_call().ingredient_atoms)) {
    current_call().next_ingredient_to_process = ingredients.at(0).at(0);
    products.push_back(
        current_call().ingredient_atoms.at(current_call().next_ingredient_to_process));
    assert(SIZE(products) == 1);  products.resize(2);  // push a new vector
    products.at(1).push_back(1);
    ++current_call().next_ingredient_to_process;
  }
  else {
    if (SIZE(current_instruction().products) > 1) {
      products.resize(2);
      products.at(0).push_back(0);  // todo: will fail noisily if we try to read a compound value
      products.at(1).push_back(0);
    }
  }
  break;
}