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Valk Richard Li
2020-11-30 23:54:32 +08:00
parent fce34c12b3
commit f336e5c3ae
6 changed files with 116 additions and 120 deletions
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nasal_ast.h
+87
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@@ -1,6 +1,93 @@
#ifndef __NASAL_AST_H__
#define __NASAL_AST_H__
enum ast_node
{
ast_null=0,ast_root,ast_block,
ast_nil,ast_number,ast_string,ast_identifier,ast_function,ast_hash,ast_vector,
ast_hashmember,ast_call,ast_call_hash,ast_call_vec,ast_call_func,ast_subvec,
ast_args,ast_default_arg,ast_dynamic_id,
ast_and,ast_or,
ast_equal,ast_add_equal,ast_sub_equal,ast_mult_equal,ast_div_equal,ast_link_equal,
ast_cmp_equal,ast_cmp_not_equal,
ast_less_than,ast_less_equal,
ast_greater_than,ast_greater_equal,
ast_add,ast_sub,ast_mult,ast_div,ast_link,
ast_unary_sub,ast_unary_not,
ast_trinocular,
ast_for,ast_forindex,ast_foreach,ast_while,ast_new_iter,
ast_conditional,ast_if,ast_elsif,ast_else,
ast_multi_id,ast_multi_scalar,
ast_definition,ast_multi_assign,
ast_continue,ast_break,ast_return
};
std::string ast_str(int type)
{
std::string str;
switch(type)
{
case ast_null: str="null";break;
case ast_root: str="root";break;
case ast_block: str="block";break;
case ast_nil: str="nil";break;
case ast_number: str="number";break;
case ast_string: str="string";break;
case ast_identifier: str="id";break;
case ast_function: str="function";break;
case ast_hash: str="hash";break;
case ast_vector: str="vector";break;
case ast_hashmember: str="hashmember";break;
case ast_call: str="call";break;
case ast_call_hash: str="call_hash";break;
case ast_call_vec: str="call_vector";break;
case ast_call_func: str="call_func";break;
case ast_subvec: str="subvec";break;
case ast_args: str="arguments";break;
case ast_default_arg: str="default_arg";break;
case ast_dynamic_id: str="dynamic_id";break;
case ast_and: str="and";break;
case ast_or: str="or";break;
case ast_equal: str="=";break;
case ast_add_equal: str="+=";break;
case ast_sub_equal: str="-=";break;
case ast_mult_equal: str="*=";break;
case ast_div_equal: str="/=";break;
case ast_link_equal: str="~=";break;
case ast_cmp_equal: str="==";break;
case ast_cmp_not_equal:str="!=";break;
case ast_less_than: str="<";break;
case ast_less_equal: str="<=";break;
case ast_greater_than: str=">";break;
case ast_greater_equal:str=">=";break;
case ast_add: str="+";break;
case ast_sub: str="-";break;
case ast_mult: str="*";break;
case ast_div: str="/";break;
case ast_link: str="~";break;
case ast_unary_sub: str="unary-";break;
case ast_unary_not: str="unary!";break;
case ast_trinocular: str="trinocular";break;
case ast_for: str="for";break;
case ast_forindex: str="forindex";break;
case ast_foreach: str="foreach";break;
case ast_while: str="while";break;
case ast_new_iter: str="new_iterator";break;
case ast_conditional: str="conditional";break;
case ast_if: str="if";break;
case ast_elsif: str="elsif";break;
case ast_else: str="else";break;
case ast_multi_id: str="multi_id";break;
case ast_multi_scalar: str="multi_scalar";break;
case ast_definition: str="definition";break;
case ast_multi_assign: str="multi_assignment";break;
case ast_continue: str="continue";break;
case ast_break: str="break";break;
case ast_return: str="return";break;
}
return str;
}
class nasal_ast
{
private: