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Variable declaration added now

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This commit is contained in:
Nathan Braswell
2016-01-15 19:10:52 -05:00
parent 785c6a6a8e
commit bf570f027c
6 changed files with 33 additions and 17 deletions
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19
stdlib/ast_nodes.krak
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@@ -685,8 +685,8 @@ obj assignment_statement (Object) {
return true
}
}
fun ast_declaration_statement_ptr(): *ast_node {
var to_ret.construct(): declaration_statement
fun ast_declaration_statement_ptr(ident: *ast_node): *ast_node {
var to_ret.construct(ident): declaration_statement
var ptr = new<ast_node>()
ptr->copy_construct(&ast_node::declaration_statement(to_ret))
return ptr
@@ -698,23 +698,22 @@ fun is_declaration_statement(node: *ast_node): bool {
return false
}
obj declaration_statement (Object) {
var scope: map<string, vector<*ast_node>>
fun construct(): *declaration_statement {
scope.construct()
var identifier: *ast_node
fun construct(identifier_in: *ast_node): *declaration_statement {
identifier = identifier_in
return this
}
fun copy_construct(old: *declaration_statement) {
scope.copy_construct(&old->scope)
identifier = old->identifier
}
fun destruct() {
scope.destruct()
}
fun operator=(other: ref declaration_statement) {
destruct()
copy_construct(&other)
}
fun operator==(other: ref declaration_statement): bool {
return true
return identifier == other.identifier
}
}
fun ast_if_comp_ptr(): *ast_node {
@@ -882,7 +881,7 @@ 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<*ast_node>()
ast_node::declaration_statement(backing) return vector<*ast_node>()
ast_node::declaration_statement(backing) return vector(backing.identifier)
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
@@ -936,7 +935,7 @@ fun get_ast_scope(node: *ast_node): *map<string,vector<*ast_node>> {
ast_node::continue_statement() return &node->continue_statement.scope
ast_node::defer_statement() return &node->defer_statement.scope
ast_node::assignment_statement() return &node->assignment_statement.scope
ast_node::declaration_statement() return &node->declaration_statement.scope
ast_node::declaration_statement() return null<map<string,vector<*ast_node>>>()
ast_node::if_comp() return null<map<string,vector<*ast_node>>>()
ast_node::simple_passthrough() return &node->simple_passthrough.scope
ast_node::function_call() return null<map<string,vector<*ast_node>>>()

7
stdlib/ast_transformation.krak
View File

@@ -93,6 +93,7 @@ obj ast_transformation (Object) {
ast_to_syntax.set(function_node, child)
} else if (child->data.name == "declaration_statement") {
// second pass declaration can actually just call a normal transform (but maybe should be it's own method to do so because typedef has to do it too?)...
translation_unit->translation_unit.children.add(transform_declaration_statement(child, translation_unit))
}
})
}
@@ -183,6 +184,8 @@ obj ast_transformation (Object) {
return transform_simple_passthrough(node, scope)
} else if (name == "statement") {
return transform_statement(node, scope)
} else if (name == "declaration_statement") {
return transform_declaration_statement(node, scope)
} else if (name == "return_statement") {
return transform_return_statement(node, scope)
} else if (name == "function_call") {
@@ -265,6 +268,10 @@ obj ast_transformation (Object) {
new_statement->statement.child = transform(node->children[0], scope)
return new_statement
}
fun transform_declaration_statement(node: *tree<symbol>, scope: *ast_node): *ast_node {
var declaration = ast_declaration_statement_ptr(ast_identifier_ptr(concat_symbol_tree(get_node("identifier", node)), transform_type(get_node("type", node), scope, map<string, *type>())))
return declaration
}
fun transform_return_statement(node: *tree<symbol>, scope: *ast_node): *ast_node {
return ast_return_statement_ptr(transform(node->children[0], scope))
}

6
stdlib/c_generator.krak
View File

@@ -47,6 +47,7 @@ obj c_generator (Object) {
top_level_c_passthrough += generate_simple_passthrough(backing.statement->statement.child)
}
ast_node::simple_passthrough(backing) top_level_c_passthrough += generate_simple_passthrough(child)
ast_node::declaration_statement(backing) variable_declarations += generate_declaration_statement(child) + ";\n"
ast_node::function(backing) {
// make sure not a template
// or a passthrough
@@ -83,6 +84,10 @@ obj c_generator (Object) {
return node->simple_passthrough.passthrough_str
}
fun generate_statement(node: *ast_node): string return generate(node->statement.child) + ";\n";
fun generate_declaration_statement(node: *ast_node): string {
var identifier = node->declaration_statement.identifier
return type_to_c(identifier->identifier.type) + " " + identifier->identifier.name
}
fun generate_return_statement(node: *ast_node): string return string("return ") + generate(node->return_statement.return_value);
fun generate_value(node: *ast_node): string return node->value.string_value;
fun generate_code_block(node: *ast_node): string {
@@ -114,6 +119,7 @@ obj c_generator (Object) {
ast_node::if_comp(backing) return generate_if_comp(node)
ast_node::simple_passthrough(backing) return generate_simple_passthrough(node)
ast_node::statement(backing) return generate_statement(node)
ast_node::declaration_statement(backing) return generate_declaration_statement(node)
ast_node::function(backing) return generate_function(node)
ast_node::function_call(backing) return generate_function_call(node)
ast_node::code_block(backing) return generate_code_block(node)