floraachy/Nasal-Interpreter
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This commit is contained in:
Valk Richard Li
2020-03-19 18:05:41 +08:00
committed by GitHub
parent 28cc088461
commit c250bfb8d8
5 changed files with 216 additions and 199 deletions
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19
version2.0/main.cpp
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@@ -1,11 +1,17 @@
#include "nasal.h"
// source code will be put in resource
resource_file resource;
// source code will be generated to tokens in lexer
nasal_lexer lexer;
// token list will be checked in parser and output the abstract syntax tree
nasal_parse parser;
// libroot stores the ast of lib file
abstract_syntax_tree libroot;
// root stores the ast of source code
abstract_syntax_tree root;
abstract_syntax_tree linker;
// executable_ast generates libroot and root together
abstract_syntax_tree executable_ast;
nasal_runtime runtime;
@@ -69,7 +75,7 @@ int main()
lexer.delete_all_tokens();
parser.delete_all_elements();
root.set_clear();
linker.set_clear();
executable_ast.set_clear();
std::cout<<">> [Delete] complete."<<std::endl;
}
else if(command=="lib")
@@ -148,11 +154,10 @@ int main()
parser.main_generate();
if(!parser.get_error())
{
linker.set_clear();
linker=libroot;
linker.merge_children(parser.get_root());
root=linker;
runtime.main_proc(root);
executable_ast.set_clear();
executable_ast=libroot;
executable_ast.merge_children(parser.get_root());
runtime.main_proc(executable_ast);
//root.print_tree();
}
else