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Add the abitlity to assign during a declaration and type inference if no type given but there is an expression

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This commit is contained in:
Nathan Braswell
2016-01-17 01:10:09 -05:00
parent 9c41c2fd12
commit bffedcf2fd
4 changed files with 35 additions and 9 deletions
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13
stdlib/ast_nodes.krak
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@@ -688,8 +688,8 @@ obj assignment_statement (Object) {
return to == other.to && from == other.from
}
}
fun ast_declaration_statement_ptr(ident: *ast_node): *ast_node {
var to_ret.construct(ident): declaration_statement
fun ast_declaration_statement_ptr(ident: *ast_node, expression: *ast_node): *ast_node {
var to_ret.construct(ident, expression): declaration_statement
var ptr = new<ast_node>()
ptr->copy_construct(&ast_node::declaration_statement(to_ret))
return ptr
@@ -702,12 +702,15 @@ fun is_declaration_statement(node: *ast_node): bool {
}
obj declaration_statement (Object) {
var identifier: *ast_node
fun construct(identifier_in: *ast_node): *declaration_statement {
var expression: *ast_node
fun construct(identifier_in: *ast_node, expression_in: *ast_node): *declaration_statement {
identifier = identifier_in
expression = expression_in
return this
}
fun copy_construct(old: *declaration_statement) {
identifier = old->identifier
expression = old->expression
}
fun destruct() {
}
@@ -716,7 +719,7 @@ obj declaration_statement (Object) {
copy_construct(&other)
}
fun operator==(other: ref declaration_statement): bool {
return identifier == other.identifier
return identifier == other.identifier && expression == other.expression
}
}
fun ast_if_comp_ptr(): *ast_node {
@@ -884,7 +887,7 @@ fun get_ast_children(node: *ast_node): vector<*ast_node> {
ast_node::continue_statement(backing) return vector<*ast_node>()
ast_node::defer_statement(backing) return vector<*ast_node>()
ast_node::assignment_statement(backing) return vector(backing.to, backing.from)
ast_node::declaration_statement(backing) return vector(backing.identifier)
ast_node::declaration_statement(backing) return vector(backing.identifier, backing.expression)
ast_node::if_comp(backing) return vector<*ast_node>(backing.statement)
ast_node::simple_passthrough(backing) return vector<*ast_node>()
ast_node::function_call(backing) return vector(backing.func) + backing.parameters