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Added for loops

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This commit is contained in:
Nathan Braswell
2016-01-19 11:47:09 -05:00
parent c4abfca98e
commit 162cc98f30
5 changed files with 41 additions and 7 deletions
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12
stdlib/ast_transformation.krak
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@@ -192,6 +192,8 @@ obj ast_transformation (Object) {
return transform_if_statement(node, scope)
} else if (name == "while_loop") {
return transform_while_loop(node, scope)
} else if (name == "for_loop") {
return transform_for_loop(node, scope)
} else if (name == "return_statement") {
return transform_return_statement(node, scope)
} else if (name == "function_call") {
@@ -308,6 +310,16 @@ obj ast_transformation (Object) {
while_loop->while_loop.statement = transform(get_node("statement", node), while_loop)
return while_loop
}
fun transform_for_loop(node: *tree<symbol>, scope: *ast_node): *ast_node {
var for_loop = ast_for_loop_ptr()
add_to_scope("~enclosing_scope", scope, for_loop)
var statements = get_nodes("statement", node)
for_loop->for_loop.init = transform(statements[0], for_loop)
for_loop->for_loop.condition = transform(get_node("boolean_expression", node), for_loop)
for_loop->for_loop.update = transform(statements[1], for_loop)
for_loop->for_loop.body = transform(statements[2], for_loop)
return for_loop
}
fun transform_return_statement(node: *tree<symbol>, scope: *ast_node): *ast_node {
return ast_return_statement_ptr(transform(node->children[0], scope))
}