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Prep for templated functions

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This commit is contained in:
Nathan Braswell
2018-10-02 23:51:26 -04:00
parent 3d8be84472
commit 0ae2fbaae6
2 changed files with 31 additions and 18 deletions
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18
k.krak
View File

@@ -194,9 +194,9 @@ fun main(argc: int, argv: **char): int {
}
var try_binding = fun(binding: *tree<ast>, start_scope: *tree<ast>, type_binding: bool) {
if !ast_bound(binding) {
var options = scope_lookup(start_scope, binding->data._binding.first, type_binding)
var options = scope_lookup(start_scope, ast_binding_str(binding), type_binding)
if (options.size == 0)
error("Could not find any options for scope lookup of " + binding->data._binding.first)
error("Could not find any options for scope lookup of " + ast_binding_str(binding))
else if (options.size == 1)
set_ast_binding(binding, options[0])
else
@@ -245,8 +245,8 @@ fun main(argc: int, argv: **char): int {
var get_type: fun(*tree<ast>): *binding<type> = fun(a: *tree<ast>): *binding<type> {
match(a->data) {
ast::_identifier(b) return b.second
ast::_binding(b) if (b.second->bound()) {
return get_type(b.second->bound_to)
ast::_binding(b) if (ast_bound(a)) {
return get_type(get_ast_binding(a))
} else if (unbound_types.contains_key(a)) {
return unbound_types[a]
} else {
@@ -322,7 +322,7 @@ fun main(argc: int, argv: **char): int {
var work_done = false
var traverse_for_select: fun(*tree<ast>): void = fun(t: *tree<ast>) {
match (t->data) {
ast::_binding(b) if (!t->data._binding.second->bound()) {
ast::_binding(b) if (!ast_bound(t)) {
println(to_string(t->data) + " - not bound!")
var filtered_options = multiple_binding_options[t].filter(fun(p: *tree<ast>): bool return unbound_types[t]->bound_to->equality(get_type(p)->bound_to, false, true);)
if (filtered_options.size == 0) {
@@ -345,7 +345,7 @@ fun main(argc: int, argv: **char): int {
if (!work_done) {
var traverse_for_error: fun(*tree<ast>): void = fun(t: *tree<ast>) {
match (t->data) {
ast::_binding(b) if (!t->data._binding.second->bound()) {
ast::_binding(b) if (!ast_bound(t)) {
var filtered_options = multiple_binding_options[t].filter(fun(p: *tree<ast>): bool return unbound_types[t]->bound_to->equality(get_type(p)->bound_to, false, true);)
if (filtered_options.size > 1) {
println("Attempting to use our inferenced type " + unbound_types[t]->bound_to->to_string() + " to decide what to bind " + to_string(t->data) + " to form options:")
@@ -499,7 +499,7 @@ fun main(argc: int, argv: **char): int {
ast::_import(b) { }
ast::_identifier(b) { C_str += idt + b.first; }
ast::_binding(b) {
var bound_to = b.second->bound_to
var bound_to = get_ast_binding(t)
if (is_top_level_item(bound_to))
pass_poset.add_close_dep(make_pair(item, str("emit_C")), make_pair(bound_to, str("emit_C")))
else if (is_identifier(bound_to) && is_declaration(bound_to->parent) && is_top_level_item(bound_to->parent))
@@ -869,7 +869,9 @@ fun syntax_to_ast(file_name: str, syntax: *tree<symbol>, import_paths: ref vec<s
if (template_inst != null<tree<symbol>>()) {
if (syntax->children[0]->data.name != "scoped_identifier")
error(syntax, "Unexpected template instantiation (not on an identifier)")
return make_ast_binding(concat(syntax->children[0]) + "<somin>")
return make_ast_binding(concat(syntax->children[0]), get_nodes("type", template_inst).map(fun(s: *tree<symbol>): *binding<type> {
return parse_type(s);
}))
} else if (syntax->children[0]->data.terminal) {
return _call(vec(make_ast_binding(concat(syntax->children[0])),
syntax_to_ast_helper(syntax->children[1])))

31
stdlib/ast.krak
View File

@@ -10,7 +10,7 @@ adt ast {
_translation_unit: str,
_import: pair<*tree<ast>, set<str>>,
_identifier: pair<str, *binding<type>>,
_binding: pair<str, *binding<tree<ast>>>,
_binding: triple<str, vec<*binding<type>>, *binding<tree<ast>>>,
_type_def: str,
_adt_def: str,
_function: triple<str, *binding<type>, bool>,
@@ -36,7 +36,7 @@ fun to_string(a: ref ast): str {
ast::_translation_unit(b) return str("_translation_unit(") + b + ")"
ast::_import(b) return str("_import(") + to_string(b.first->data) + ")[" + str(",").join(b.second.data) + "]"
ast::_identifier(b) return str("_identifier(") + b.first + ": " + deref_to_string(b.second->bound_to) + ")"
ast::_binding(b) return str("_binding(") + b.first + "->" + to_string(b.second->bound_to) + ")"
ast::_binding(b) return str("_binding(") + b.first + "[" + str(",").join(b.second.map(fun(x:*binding<type>): str { return deref_to_string(x->bound_to); })) + "]" + "->" + to_string(b.third->bound_to) + ")"
ast::_type_def(b) return str("_type_def(") + b + ")"
ast::_adt_def(b) return str("_adt_def(") + b + ")"
ast::_function(b) return str("_function(") + b.first + ": " + deref_to_string(b.second->bound_to) + ", ext?:" + to_string(b.third) + ")"
@@ -76,8 +76,8 @@ fun _cast(p: *binding<type>): *tree<ast> {
fun _identifier(p1: str, p2: *binding<type>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_identifier(make_pair(p1, p2)))
}
fun _binding(p1: str, p2: *binding<tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_binding(make_pair(p1, p2)))
fun _binding(p1: str, p2: vec<*binding<type>>, p3: *binding<tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_binding(make_triple(p1, p2, p3)))
}
fun _function(p1: str, p2: *binding<type>, p3: bool): *tree<ast> {
return new<tree<ast>>()->construct(ast::_function(make_triple(p1, p2, p3)))
@@ -148,8 +148,8 @@ fun _cast(p: *binding<type>, c: ref vec<*tree<ast>>): *tree<ast> {
fun _identifier(p1: str, p2: *binding<type>, c: ref vec<*tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_identifier(make_pair(p1, p2)), c)
}
fun _binding(p1: str, p2: *binding<tree<ast>>, c: ref vec<*tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_binding(make_pair(p1, p2)), c)
fun _binding(p1: str, p2: vec<*binding<type>>, p3: *binding<tree<ast>>, c: ref vec<*tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_binding(make_triple(p1, p2, p3)), c)
}
fun _function(p1: str, p2: *binding<type>, p3: bool, c: ref vec<*tree<ast>>): *tree<ast> {
return new<tree<ast>>()->construct(ast::_function(make_triple(p1, p2, p3)), c)
@@ -286,12 +286,23 @@ fun make_ast_binding(s: *char): *tree<ast> {
return make_ast_binding(str(s))
}
fun make_ast_binding(s: str): *tree<ast> {
return _binding(s, binding<tree<ast>>())
return make_ast_binding(s, vec<*binding<type>>())
}
fun make_ast_binding(s: str, v: vec<*binding<type>>): *tree<ast> {
return _binding(s, v, binding<tree<ast>>())
}
fun get_ast_binding_inst_types(binding: *tree<ast>): ref vec<*binding<type>> {
match(binding->data) {
ast::_binding(b) {
return b.second
}
}
error("trying to get binding on not a binding")
}
fun get_ast_binding(binding: *tree<ast>): *tree<ast> {
match(binding->data) {
ast::_binding(b) {
return b.second->bound_to
return b.third->bound_to
}
}
error("trying to get binding on not a binding")
@@ -299,7 +310,7 @@ fun get_ast_binding(binding: *tree<ast>): *tree<ast> {
fun set_ast_binding(binding: *tree<ast>, to: *tree<ast>) {
match(binding->data) {
ast::_binding(b) {
b.second->set(to)
b.third->set(to)
return
}
}
@@ -307,7 +318,7 @@ fun set_ast_binding(binding: *tree<ast>, to: *tree<ast>) {
}
fun ast_bound(binding: *tree<ast>): bool {
match(binding->data) {
ast::_binding(b) return b.second->bound()
ast::_binding(b) return b.third->bound()
}
error("Trying to check bound for not a binding")
}