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added if_statements

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This commit is contained in:
Nathan Braswell
2016-01-19 02:06:30 -05:00
parent 458299abe1
commit 4493dfd861
4 changed files with 37 additions and 5 deletions
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20
stdlib/ast_nodes.krak
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@@ -363,8 +363,8 @@ obj statement (Object) {
return child == other.child
}
}
fun ast_if_statement_ptr(): *ast_node {
var to_ret.construct(): if_statement
fun ast_if_statement_ptr(condition: *ast_node): *ast_node {
var to_ret.construct(condition): if_statement
var ptr = new<ast_node>()
ptr->copy_construct(&ast_node::if_statement(to_ret))
return ptr
@@ -376,12 +376,22 @@ fun is_if_statement(node: *ast_node): bool {
return false
}
obj if_statement (Object) {
var condition: *ast_node
// these are not a part of the constructor because they have to be trnasformed with this as its scope
var then_part: *ast_node
var else_part: *ast_node
var scope: map<string, vector<*ast_node>>
fun construct(): *if_statement {
fun construct(condition_in: *ast_node): *if_statement {
condition = condition_in
then_part = null<ast_node>()
else_part = null<ast_node>()
scope.construct()
return this
}
fun copy_construct(old: *if_statement) {
condition = old->condition
then_part = old->then_part
else_part = old->else_part
scope.copy_construct(&old->scope)
}
fun destruct() {
@@ -392,7 +402,7 @@ obj if_statement (Object) {
copy_construct(&other)
}
fun operator==(other: ref if_statement): bool {
return true
return condition == other.condition && then_part == other.then_part && else_part == other.else_part
}
}
fun ast_match_statement_ptr(): *ast_node {
@@ -877,7 +887,7 @@ fun get_ast_children(node: *ast_node): vector<*ast_node> {
ast_node::function(backing) return backing.parameters + backing.body_statement
ast_node::code_block(backing) return backing.children
ast_node::statement(backing) return vector<*ast_node>(backing.child)
ast_node::if_statement(backing) return vector<*ast_node>()
ast_node::if_statement(backing) return vector(backing.condition, backing.then_part, backing.else_part)
ast_node::match_statement(backing) return vector<*ast_node>()
ast_node::case_statement(backing) return vector<*ast_node>()
ast_node::while_loop(backing) return vector<*ast_node>()