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Valk Richard Li
2020-01-19 21:30:04 +08:00
committed by GitHub
parent d045b6f335
commit ada02fc3bb
3 changed files with 321 additions and 107 deletions
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version2.0/nasal_enum.h
+31 -6
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@@ -50,14 +50,16 @@ enum parse_token_type
__root,
__null_type,
__multi_id,
__multi_scalar,
__parameters,
__defult_parameter,
__vector,__hash,
__hash_member,
__sub_vector,
__call_function,__call_vector,__call_hash,
__normal_statement_block,
__definition,__assignment,
__function,__loop,__ifelse
__definition,
__function,__ifelse
};
void print_parse_token(int type)
@@ -127,7 +129,9 @@ void print_parse_token(int type)
case __root: context="root"; break;
case __null_type: context="null_type"; break;
case __multi_id: context="identifiers"; break;
case __multi_scalar: context="scalars"; break;
case __parameters: context="parameters"; break;
case __defult_parameter: context="para=scalar"; break;
case __vector: context="vector"; break;
case __hash: context="hash"; break;
case __hash_member: context="hash_member"; break;
@@ -137,9 +141,7 @@ void print_parse_token(int type)
case __call_hash: context="call_hash"; break;
case __normal_statement_block:context="block"; break;
case __definition: context="definition"; break;
case __assignment: context="assignment"; break;
case __function: context="function"; break;
case __loop: context="loop"; break;
case __ifelse: context="if-else"; break;
default: context="undefined_token";break;
@@ -152,10 +154,15 @@ enum parse_error_type
{
parse_unknown_error, // unknown error
error_token_in_main, // when a token should not be the begin of a statement in main
lack_semi,
definition_lack_id, // lack identifier
definition_lack_equal, // lack '=' when not getting ';'
definition_wrong_type, // need identifier but get number or string
multi_definition_need_curve, // lack right curve when generating 'var (id,id,id)'
multi_assignment_need_curve, // lack right curve when generating (scalar,scalar)=(scalar,scalar)
multi_assignment_need_equal, // lack '=' when generating (scalar,scalar)=(scalar,scalar)
error_begin_token_of_scalar, // in scalar_generate()
lack_left_curve, // lack left curve
lack_right_curve, // lack right curve
@@ -186,14 +193,32 @@ void print_parse_error(int error_type,int line,int error_token_type=__stack_end)
print_parse_token(error_token_type);
std::cout<<"\' in main scope."<<std::endl;
break;
case lack_semi:
std::cout<<error_info_head<<line<<": expect a \';\' at the end of the statement."<<std::endl;break;
case definition_lack_id:
std::cout<<error_info_head<<line<<": expect identifier(s) after \'var\'."<<std::endl;break;
case definition_lack_equal:
std::cout<<error_info_head<<line<<": expect a \'=\' here."<<std::endl;break;
std::cout<<error_info_head<<line<<": expect a \'=\' here but get \'";
print_parse_token(error_token_type);
std::cout<<"\' ."<<std::endl;
break;
case definition_wrong_type:
std::cout<<error_info_head<<line<<": expect an identifier here but get other types."<<std::endl;break;
case multi_definition_need_curve:
std::cout<<error_info_head<<line<<": expect a \')\' here."<<std::endl;break;
std::cout<<error_info_head<<line<<": expect a \')\' here but get \'";
print_parse_token(error_token_type);
std::cout<<"\' ."<<std::endl;
break;
case multi_assignment_need_curve:
std::cout<<error_info_head<<line<<": expect a \')\' here but get \'";
print_parse_token(error_token_type);
std::cout<<"\' ."<<std::endl;
break;
case multi_assignment_need_equal:
std::cout<<error_info_head<<line<<": expect a \'=\' here but get \'";
print_parse_token(error_token_type);
std::cout<<"\' ."<<std::endl;
break;
case error_begin_token_of_scalar:
std::cout<<error_info_head<<line<<": expect a scalar here but get \'";
print_parse_token(error_token_type);