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Trivial objects working, fixed adt prefixing bug

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This commit is contained in:
Nathan Braswell
2016-01-21 03:18:02 -05:00
parent 4ebb8bf107
commit c943d591e0
5 changed files with 48 additions and 6 deletions
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5
stdlib/ast_nodes.krak
View File

@@ -189,12 +189,15 @@ fun is_type_def(node: *ast_node): bool {
obj type_def (Object) {
var scope: map<string, vector<*ast_node>>
var name: string
var self_type: *type
fun construct(nameIn: string): *type_def {
scope.construct()
name.copy_construct(&nameIn)
self_type = null<type>()
return this
}
fun copy_construct(old: *type_def) {
self_type = old->self_type
scope.copy_construct(&old->scope)
name.copy_construct(&old->name)
}
@@ -207,7 +210,7 @@ obj type_def (Object) {
copy_construct(&other)
}
fun operator==(other: ref type_def): bool {
return name == other.name
return name == other.name && self_type == other.self_type
}
}
fun ast_adt_def_ptr(name: string): *ast_node {

9
stdlib/ast_transformation.krak
View File

@@ -42,6 +42,7 @@ obj ast_transformation (Object) {
if (child->data.name == "type_def") {
var name = concat_symbol_tree(get_node("identifier", child))
var type_def_node = ast_type_def_ptr(name)
type_def_node->type_def.self_type = type_ptr(type_def_node)
translation_unit->translation_unit.children.add(type_def_node)
ast_to_syntax.set(type_def_node, child)
add_to_scope("~enclosing_scope", translation_unit, type_def_node)
@@ -168,6 +169,14 @@ obj ast_transformation (Object) {
return type_ptr(base_type::function(), indirection)
else {
// do lookup for objects, ADTs, templates, etc
var possibilities = scope_lookup(type_syntax_str, scope)
print("There are "); print(possibilities.size); println(" possibilites for this object type lookup")
for (var i = 0; i < possibilities.size; i++;) {
match(*possibilities[i]) {
ast_node::type_def(backing) return backing.self_type
}
}
println("No objects in lookup, returning none")
return type_ptr(base_type::none(), indirection)
}
}

11
stdlib/c_generator.krak
View File

@@ -24,7 +24,7 @@ obj c_generator (Object) {
fun generate_c(name_ast_map: map<string, pair<*tree<symbol>,*ast_node>>): pair<string,string> {
var linker_string:string = ""
var prequal: string = "#include <stdbool.h>\n#include <stdlib.h>\n#include <stdio.h>\n"
var plain_typedefs: string = ""
var plain_typedefs: string = "\n/**Plain Typedefs**/\n"
var top_level_c_passthrough: string = ""
var variable_extern_declarations: string = ""
var structs: string = "\n/**Type Structs**/\n"
@@ -75,7 +75,8 @@ obj c_generator (Object) {
})
})
type_poset.get_sorted().for_each(fun(vert: *ast_node) {
structs += "/* a type */\n"
plain_typedefs += string("typedef struct ") + vert->type_def.name + "_dummy " + vert->type_def.name + ";\n"
structs += string("struct ") + vert->type_def.name + "_dummy {};\n"
})
return make_pair(prequal+plain_typedefs+top_level_c_passthrough+variable_extern_declarations+structs+function_typedef_string_pre+function_typedef_string+function_prototypes+variable_declarations+function_definitions + "\n", linker_string)
@@ -185,6 +186,9 @@ obj c_generator (Object) {
base_type::integer() return indirection + string("int")
base_type::floating() return indirection + string("float")
base_type::double_precision() return indirection + string("double")
base_type::object() {
return type->type_def->type_def.name
}
base_type::function() {
var temp = indirection + string("function_")
type->parameter_types.for_each(fun(parameter_type: *type) temp += type_decoration(parameter_type) + "_";)
@@ -206,6 +210,9 @@ obj c_generator (Object) {
base_type::integer() return string("int") + indirection
base_type::floating() return string("float") + indirection
base_type::double_precision() return string("double") + indirection
base_type::object() {
return type->type_def->type_def.name
}
base_type::function() {
var temp = indirection + string("function: (")
type->parameter_types.for_each(fun(parameter_type: *type) temp += parameter_type->to_string() + " ";)

21
stdlib/type.krak
View File

@@ -1,11 +1,13 @@
import mem:*
import string:*
import vector:*
import ast_nodes:*
// hmm, like the ast_node, this is another candadate for being fully an ADT
// one issue is that there are properties shared between most of the options (indirection, say)
adt base_type {
none,
object,
template,
template_type,
void_return,
@@ -20,6 +22,9 @@ adt base_type {
fun type_ptr(): *type {
return new<type>()->construct()
}
fun type_ptr(definition: *ast_node): *type {
return new<type>()->construct(definition)
}
fun type_ptr(base: base_type): *type return type_ptr(base, 0);
fun type_ptr(base: base_type, indirection: int): *type {
return new<type>()->construct(base, indirection)
@@ -34,11 +39,13 @@ obj type (Object) {
var parameter_types: vector<*type>
var return_type: *type
var indirection: int
var type_def: *ast_node
fun construct(): *type {
base.copy_construct(&base_type::none())
parameter_types.construct()
indirection = 0
return_type = null<type>()
type_def = null<ast_node>()
return this
}
fun construct(base_in: base_type, indirection_in: int): *type {
@@ -46,6 +53,15 @@ obj type (Object) {
parameter_types.construct()
indirection = indirection_in
return_type = null<type>()
type_def = null<ast_node>()
return this
}
fun construct(type_def_in: *ast_node): *type {
base.copy_construct(&base_type::object())
parameter_types.construct()
indirection = 0
return_type = null<type>()
type_def = type_def_in
return this
}
fun construct(parameter_types_in: vector<*type>, return_type_in: *type, indirection_in: int): *type {
@@ -53,6 +69,7 @@ obj type (Object) {
parameter_types.copy_construct(&parameter_types_in)
return_type = return_type_in
indirection = indirection_in
type_def = null<ast_node>()
return this
}
fun copy_construct(old: *type) {
@@ -60,6 +77,7 @@ obj type (Object) {
parameter_types.copy_construct(&old->parameter_types)
return_type = old->return_type
indirection = old->indirection
type_def = old->type_def
}
fun operator=(other: ref type) {
destruct()
@@ -73,13 +91,14 @@ obj type (Object) {
fun operator==(other: ref type):bool {
if ( (return_type && other.return_type && *return_type != *other.return_type) || (return_type && !other.return_type) || (!return_type && other.return_type) )
return false
return base == other.base && parameter_types == other.parameter_types && indirection == other.indirection
return base == other.base && parameter_types == other.parameter_types && indirection == other.indirection && type_def == other.type_def
}
fun to_string(): string {
var indirection_str = string()
for (var i = 0; i < indirection; i++;) indirection_str += "*"
match (base) {
base_type::none() return indirection_str + string("none")
base_type::object() return indirection_str + string("obj:") + type_def->type_def.name
base_type::template() return indirection_str + string("template")
base_type::template_type() return indirection_str + string("template_type")
base_type::void_return() return indirection_str + string("void_return")