代码拆分（续）
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6932f504c8
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58
include/element.h
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58
include/element.h
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@ -0,0 +1,58 @@
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#ifndef ACPA_ELEMENT_H
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#define ACPA_ELEMENT_H
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#include <map>
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#include <vector>
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#include <string>
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#include <memory>
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using std::map;
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using std::vector;
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using std::string;
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using std::weak_ptr;
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using std::shared_ptr;
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struct Struct;
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struct ValType;
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struct TemplateType;
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struct StructType;
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struct FunctionType;
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struct Struct {
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weak_ptr<Struct> fa;
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vector<shared_ptr<TemplateType>> c1;
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vector<shared_ptr<ValType>> c2;
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map<string, shared_ptr<ValType>> vars;
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map<string, shared_ptr<Struct>> structs;
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};
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struct ValType {
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virtual const int type() = 0;
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};
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struct TemplateType : ValType {
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const int type() override {
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return 0;
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}
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};
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struct StructType : ValType {
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const int type() override {
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return 1;
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}
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shared_ptr<Struct> str;
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map<shared_ptr<TemplateType>, shared_ptr<ValType>> mp;
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};
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struct FunctionType : ValType {
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const int type() override {
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return 2;
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}
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vector<shared_ptr<TemplateType>> c1;
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vector<shared_ptr<ValType>> c2;
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shared_ptr<ValType> c3;
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};
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bool sameType(shared_ptr<ValType>, shared_ptr<ValType>);
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#endif
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8
include/read.h
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8
include/read.h
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@ -0,0 +1,8 @@
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#ifndef ACPA_READ_H
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#define ACPA_READ_H
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#include <string>
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std::string read();
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#endif
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10
include/scan.h
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10
include/scan.h
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#ifndef ACPA_SCAN_H
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#define ACPA_SCAN_H
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#include "token.h"
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#include <string>
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#include <vector>
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std::vector<Token> scan(std::string);
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#endif
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56
include/token.h
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56
include/token.h
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#ifndef ACPA_TOKEN_H
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#define ACPA_TOKEN_H
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#include <vector>
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#include <string>
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enum class TokenType {
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COMMA, // ,
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SEMI, // ;
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LB, // {
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RB, // }
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LP, // (
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RP, // )
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LT, // <
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RT, // >
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ASSIGN, // =
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DOT, // .
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COLON, // :
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SCOPE, // ::
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IMPLY, // ->
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STRUCT, // struct
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FN, // Fn
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RETURN, // return
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TYPEOF, // typeof
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PUBLIC, // public
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ID, // identifier
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EXCEED
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};
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std::string token_mp[] = {",",
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";",
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"{",
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"}",
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"(",
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")",
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"<",
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">",
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"=",
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".",
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":",
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"::",
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"->",
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"struct",
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"Fn",
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"return",
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"typeof",
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"public",
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"ID"};
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struct Token {
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int line;
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TokenType type;
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std::string s;
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};
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#endif
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10
include/work.h
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10
include/work.h
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#ifndef ACPA_WORK_H
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#define ACPA_WORK_H
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#include "token.h"
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#include "element.h"
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#include <vector>
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void work(std::vector<Token>);
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#endif
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58
src/element.cpp
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58
src/element.cpp
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#include "element.h"
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#include <set>
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#include <assert.h>
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using namespace std;
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bool sameType(shared_ptr<ValType> a, shared_ptr<ValType> b) {
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static set<pair<shared_ptr<TemplateType>, shared_ptr<TemplateType>>> eq;
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if (a->type() != b->type()) {
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return false;
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}
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if (a->type() == 0) {
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auto aa = static_pointer_cast<TemplateType>(a),
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bb = static_pointer_cast<TemplateType>(b);
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return aa == bb || eq.find({aa, bb}) != eq.end();
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}
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if (a->type() == 1) {
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auto aa = static_pointer_cast<StructType>(a);
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auto bb = static_pointer_cast<StructType>(b);
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if (aa->str != bb->str) {
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return false;
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}
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assert(aa->mp.size() == bb->mp.size());
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for (auto ia = aa->mp.begin(), ib = bb->mp.begin(); ia != aa->mp.end();
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ia++, ib++) {
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assert(ia->first == ib->first);
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if (!sameType(ia->second, ib->second)) {
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return false;
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}
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}
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return true;
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}
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// if(a->type()==2)
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{
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auto aa = static_pointer_cast<FunctionType>(a);
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auto bb = static_pointer_cast<FunctionType>(b);
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if (aa->c1.size() != bb->c1.size() || aa->c2.size() != bb->c2.size()) {
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return false;
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}
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for (size_t i = 0; i < aa->c1.size(); i++) {
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eq.insert({aa->c1[i], bb->c1[i]});
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}
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bool flag = 1;
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for (size_t i = 0; i < aa->c2.size(); i++) {
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if (!sameType(aa->c2[i], bb->c2[i])) {
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flag = 0;
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break;
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}
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}
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if (!flag && !sameType(aa->c3, bb->c3)) {
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flag = 0;
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}
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for (size_t i = 0; i < aa->c1.size(); i++) {
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eq.erase({aa->c1[i], bb->c1[i]});
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}
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return flag;
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}
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}
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10
src/read.cpp
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10
src/read.cpp
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#include "read.h"
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using namespace std;
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string read()
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{
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string s;
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for(char ch=getchar();ch!=EOF;ch=getchar()) s+=ch;
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return s;
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}
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78
src/scan.cpp
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78
src/scan.cpp
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@ -0,0 +1,78 @@
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#include "scan.h"
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using namespace std;
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vector<Token> scan(string s) {
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size_t pt = 0;
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int line = 1;
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vector<Token> tokens;
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auto skipSpace = [&]() {
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while (pt < s.size() && isspace(s[pt])) {
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if (s[pt] == '\n') {
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line++;
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}
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pt++;
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}
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};
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for (skipSpace(); pt < s.size(); skipSpace()) {
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TokenType type;
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string t;
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if (s[pt] == ',') {
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type = TokenType::COMMA, pt++;
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} else if (s[pt] == ';') {
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type = TokenType::SEMI, pt++;
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} else if (s[pt] == '{') {
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type = TokenType::LB, pt++;
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} else if (s[pt] == '}') {
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type = TokenType::RB, pt++;
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} else if (s[pt] == '(') {
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type = TokenType::LP, pt++;
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} else if (s[pt] == ')') {
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type = TokenType::RP, pt++;
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} else if (s[pt] == '<') {
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type = TokenType::LT, pt++;
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} else if (s[pt] == '>') {
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type = TokenType::RT, pt++;
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} else if (s[pt] == '=') {
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type = TokenType::ASSIGN, pt++;
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} else if (s[pt] == '.') {
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type = TokenType::DOT, pt++;
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} else if (s[pt] == ':') {
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if (pt + 1 < s.size() && s[pt + 1] == ':') {
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type = TokenType::SCOPE, pt += 2;
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} else {
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type = TokenType::COLON, pt++;
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}
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} else if (s[pt] == '-') {
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if (pt + 1 < s.size() && s[pt + 1] == '>') {
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type = TokenType::IMPLY, pt += 2;
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} else {
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printf("error on line %d", line), exit(1);
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}
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} else if (isalpha(s[pt]) || s[pt] == '_') {
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size_t r = pt + 1;
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while (r < s.size() && (isalpha(s[r]) || s[r] == '_' || isdigit(s[r]))) {
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r++;
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}
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t = s.substr(pt, r - pt);
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if (t == "struct") {
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type = TokenType::STRUCT, t.clear();
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} else if (t == "Fn") {
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type = TokenType::FN, t.clear();
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} else if (t == "return") {
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type = TokenType::RETURN, t.clear();
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} else if (t == "typeof") {
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type = TokenType::TYPEOF, t.clear();
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} else if (t == "public") {
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type = TokenType::PUBLIC, t.clear();
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} else {
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type = TokenType::ID;
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}
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pt = r;
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} else {
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printf("error on line %d", line), exit(1);
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}
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tokens.push_back({line, type, t});
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}
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return tokens;
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}
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0
src/token.cpp
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0
src/token.cpp
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601
src/work.cpp
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601
src/work.cpp
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#include "work.h"
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#include <set>
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#include <assert.h>
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using namespace std;
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size_t pt;
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vector<Token> tokens;
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// void printTokens() {
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// wstring_convert<codecvt_utf8<wchar_t>> cvt;
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// for (auto u : tokens) {
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// cout << token_mp[static_cast<int>(u.type)] << " " << u.line << " " << cvt.to_bytes(u.s)
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// << endl;
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// }
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// cout << endl;
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// }
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struct Def {
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virtual const int type() = 0;
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};
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struct DefTemplate : Def {
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const int type() override {
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return 0;
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}
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shared_ptr<TemplateType> def_template;
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};
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struct DefStruct : Def {
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const int type() override {
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return 1;
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}
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shared_ptr<Struct> def_struct;
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};
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struct DefVar : Def {
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const int type() override {
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return 2;
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}
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shared_ptr<ValType> def_var;
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};
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map<string, shared_ptr<Def>> ndefs;
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bool preview(vector<TokenType> v) {
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if (pt + v.size() > tokens.size()) {
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return false;
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}
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for (size_t i = 0; i < v.size(); i++) {
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if (tokens[pt + i].type != v[i]) {
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return false;
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}
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}
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return true;
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}
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bool preview(TokenType t) {
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return preview(vector<TokenType>{t});
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}
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string jump(TokenType t) {
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if (preview(t)) {
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return tokens[pt++].s;
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}
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if (pt < tokens.size()) {
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printf("error on line %d", tokens[pt].line);
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} else {
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puts("error on end");
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}
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exit(1);
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}
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shared_ptr<ValType> _createVal(shared_ptr<StructType> t);
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shared_ptr<ValType> createVal();
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vector<shared_ptr<ValType>> createVals();
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shared_ptr<ValType> _createType(shared_ptr<Struct>);
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shared_ptr<ValType> createType();
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vector<shared_ptr<ValType>> createTypes();
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vector<pair<string, shared_ptr<TemplateType>>> createTems();
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vector<pair<string, shared_ptr<ValType>>> createPars();
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pair<string, shared_ptr<Struct>> createStruct();
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pair<string, shared_ptr<ValType>> createVar();
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shared_ptr<ValType> struct_replace(shared_ptr<ValType> vt, shared_ptr<StructType> ut) {
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static map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> eq;
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if (vt->type() == 0) {
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auto vtt = static_pointer_cast<TemplateType>(vt);
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auto it1 = ut->mp.find(vtt);
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auto it2 = eq.find(vtt);
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assert(it1 == ut->mp.end() || it2 == eq.end());
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if (it1 != ut->mp.end()) {
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return it1->second;
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}
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if (it2 != eq.end()) {
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return static_pointer_cast<ValType>(it2->second);
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}
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return vt;
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}
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if (vt->type() == 1) {
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auto vtt = static_pointer_cast<StructType>(vt);
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auto tt = make_shared<StructType>();
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(*tt) = (*ut);
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set<shared_ptr<Struct>> vis;
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for (auto u = vtt->str; u.get() != nullptr; u = u->fa.lock()) {
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vis.insert(u);
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}
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for (auto u = ut->str; u.get() != nullptr && vis.find(u) == vis.end();
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u = u->fa.lock()) {
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for (auto tem : u->c1) {
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tt->mp.erase(tem);
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}
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}
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for (auto pr : vtt->mp) {
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tt->mp[pr.first] = struct_replace(pr.second, ut);
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}
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return static_pointer_cast<ValType>(tt);
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}
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// if(vt->type()==2)
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{
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auto vtt = static_pointer_cast<FunctionType>(vt);
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auto tt = make_shared<FunctionType>();
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for (size_t i = 0; i < vtt->c1.size(); i++) {
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tt->c1.push_back(eq[vtt->c1[i]] = make_shared<TemplateType>());
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}
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for (auto cc : vtt->c2) {
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tt->c2.push_back(struct_replace(cc, ut));
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}
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tt->c3 = struct_replace(vtt->c3, ut);
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for (size_t i = 0; i < vtt->c1.size(); i++) {
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eq.erase(vtt->c1[i]);
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}
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return static_pointer_cast<ValType>(tt);
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}
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}
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shared_ptr<ValType> function_replace(
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shared_ptr<ValType> t,
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const map<shared_ptr<TemplateType>, shared_ptr<ValType>>& mp) {
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static map<shared_ptr<TemplateType>, shared_ptr<TemplateType>> eq;
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if (t->type() == 0) {
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auto tt = static_pointer_cast<TemplateType>(t);
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auto it1 = mp.find(tt);
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auto it2 = eq.find(tt);
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assert(it1 == mp.end() || it2 == eq.end());
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if (it1 != mp.end()) {
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return it1->second;
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}
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if (it2 != eq.end()) {
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return static_pointer_cast<ValType>(it2->second);
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}
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return t;
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}
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if (t->type() == 1) {
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auto tt = make_shared<StructType>();
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(*tt) = (*static_pointer_cast<StructType>(t));
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for (auto& pr : static_pointer_cast<StructType>(tt)->mp) {
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pr.second = function_replace(pr.second, mp);
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}
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return tt;
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}
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// if(t->type()==2)
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{
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auto vt = static_pointer_cast<FunctionType>(t);
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auto tt = make_shared<FunctionType>();
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for (size_t i = 0; i < vt->c1.size(); i++) {
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tt->c1.push_back(eq[vt->c1[i]] = make_shared<TemplateType>());
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}
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for (auto cc : vt->c2) {
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tt->c2.push_back(function_replace(cc, mp));
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}
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tt->c3 = function_replace(vt->c3, mp);
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for (size_t i = 0; i < vt->c1.size(); i++) {
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eq.erase(vt->c1[i]);
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}
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return static_pointer_cast<ValType>(tt);
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}
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}
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shared_ptr<ValType> _createVal(shared_ptr<StructType> ft) {
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auto str = ft->str;
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auto s = jump(TokenType::ID);
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if (str->vars.find(s) == str->vars.end()) {
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printf("error on line %d", tokens[pt - 1].line), exit(0);
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}
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auto t = struct_replace(str->vars[s], ft);
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while (t->type() == 2 && (preview(TokenType::LT) || preview(TokenType::LP))) {
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auto tt = static_pointer_cast<FunctionType>(t);
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vector<shared_ptr<ValType>> types;
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||||
if (preview(TokenType::LT)) {
|
||||
types = createTypes();
|
||||
}
|
||||
if (tt->c1.size() != types.size()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
map<shared_ptr<TemplateType>, shared_ptr<ValType>> mp;
|
||||
for (size_t i = 0; i < types.size(); i++) {
|
||||
mp[tt->c1[i]] = types[i];
|
||||
}
|
||||
auto vals = createVals();
|
||||
bool legal = tt->c2.size() == vals.size();
|
||||
if (legal) {
|
||||
for (size_t i = 0; i < vals.size(); i++) {
|
||||
if (!sameType(vals[i], function_replace(tt->c2[i], mp))) {
|
||||
legal = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!legal) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
t = function_replace(tt->c3, mp);
|
||||
}
|
||||
if (!preview(TokenType::DOT)) {
|
||||
return t;
|
||||
}
|
||||
if (t->type() != 1) {
|
||||
printf("error on line %d", tokens[pt].line), exit(0);
|
||||
}
|
||||
pt++;
|
||||
return _createVal(static_pointer_cast<StructType>(t));
|
||||
}
|
||||
|
||||
shared_ptr<ValType> createVal() {
|
||||
shared_ptr<ValType> t;
|
||||
if (preview(TokenType::FN)) {
|
||||
pt++;
|
||||
auto tt = make_shared<FunctionType>();
|
||||
vector<pair<string, shared_ptr<TemplateType>>> tems;
|
||||
if (preview(TokenType::LT)) {
|
||||
tems = createTems();
|
||||
}
|
||||
for (const auto& pr : tems) {
|
||||
tt->c1.push_back(pr.second);
|
||||
}
|
||||
auto pars = createPars();
|
||||
for (const auto& pr : pars) {
|
||||
tt->c2.push_back(pr.second);
|
||||
}
|
||||
jump(TokenType::IMPLY);
|
||||
tt->c3 = createType();
|
||||
|
||||
jump(TokenType::LB);
|
||||
vector<string> defs;
|
||||
while (!preview(TokenType::RETURN)) {
|
||||
if (preview({TokenType::STRUCT, TokenType::ID})) {
|
||||
defs.push_back(createStruct().first);
|
||||
jump(TokenType::SEMI);
|
||||
} else {
|
||||
defs.push_back(createVar().first);
|
||||
}
|
||||
}
|
||||
pt++;
|
||||
auto ret = createVal();
|
||||
jump(TokenType::SEMI);
|
||||
if (!sameType(tt->c3, ret)) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
for (const auto& pr : tems) {
|
||||
ndefs.erase(pr.first);
|
||||
}
|
||||
for (const auto& pr : pars) {
|
||||
ndefs.erase(pr.first);
|
||||
}
|
||||
for (const auto& s : defs) {
|
||||
ndefs.erase(s);
|
||||
}
|
||||
jump(TokenType::RB);
|
||||
|
||||
t = static_pointer_cast<ValType>(tt);
|
||||
} else {
|
||||
bool flag = 0; // 新实例
|
||||
if (preview(TokenType::TYPEOF)) {
|
||||
flag = 1;
|
||||
} else if (preview(TokenType::ID)) {
|
||||
auto s = tokens[pt].s;
|
||||
if (ndefs.find(s) != ndefs.end() && ndefs[s]->type() == 1) {
|
||||
flag = 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (flag) {
|
||||
t = createType();
|
||||
if (t->type() != 1) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
auto tt = static_pointer_cast<StructType>(t);
|
||||
auto vals = createVals();
|
||||
bool legal = vals.size() == tt->str->c2.size();
|
||||
if (legal) {
|
||||
for (size_t i = 0; i < vals.size(); i++) {
|
||||
if (!sameType(vals[i],
|
||||
struct_replace(tt->str->c2[i], tt))) {
|
||||
legal = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!legal) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
} else {
|
||||
auto s = jump(TokenType::ID);
|
||||
if (ndefs.find(s) == ndefs.end() || ndefs[s]->type() != 2) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
t = static_pointer_cast<DefVar>(ndefs[s])->def_var;
|
||||
}
|
||||
}
|
||||
while (t->type() == 2 && (preview(TokenType::LT) || preview(TokenType::LP))) {
|
||||
auto tt = static_pointer_cast<FunctionType>(t);
|
||||
vector<shared_ptr<ValType>> types;
|
||||
if (preview(TokenType::LT)) {
|
||||
types = createTypes();
|
||||
}
|
||||
if (tt->c1.size() != types.size()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
map<shared_ptr<TemplateType>, shared_ptr<ValType>> mp;
|
||||
for (size_t i = 0; i < types.size(); i++) {
|
||||
mp[tt->c1[i]] = types[i];
|
||||
}
|
||||
auto vals = createVals();
|
||||
bool legal = tt->c2.size() == vals.size();
|
||||
if (legal) {
|
||||
for (size_t i = 0; i < vals.size(); i++) {
|
||||
if (!sameType(vals[i], function_replace(tt->c2[i], mp))) {
|
||||
legal = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!legal) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
t = function_replace(tt->c3, mp);
|
||||
}
|
||||
if (!preview(TokenType::DOT)) {
|
||||
return t;
|
||||
}
|
||||
if (t->type() != 1) {
|
||||
printf("error on line %d", tokens[pt].line), exit(0);
|
||||
}
|
||||
pt++;
|
||||
return _createVal(static_pointer_cast<StructType>(t));
|
||||
}
|
||||
|
||||
vector<shared_ptr<ValType>> createVals() {
|
||||
vector<shared_ptr<ValType>> vals;
|
||||
jump(TokenType::LP);
|
||||
if (!preview(TokenType::RP)) {
|
||||
auto single = [&]() { vals.push_back(createVal()); };
|
||||
for (single(); preview(TokenType::COMMA); pt++, single()) {
|
||||
;
|
||||
}
|
||||
}
|
||||
jump(TokenType::RP);
|
||||
return vals;
|
||||
}
|
||||
|
||||
shared_ptr<ValType> _createType(shared_ptr<StructType> t) {
|
||||
auto str = t->str;
|
||||
auto s = jump(TokenType::ID);
|
||||
if (str->structs.find(s) == str->structs.end()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
auto tt = make_shared<StructType>();
|
||||
tt->str = str->structs[s], tt->mp = t->mp;
|
||||
vector<shared_ptr<ValType>> types;
|
||||
if (tt->str->c1.size() || preview(TokenType::LT)) {
|
||||
types = createTypes();
|
||||
}
|
||||
if (tt->str->c1.size() != types.size()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
for (size_t i = 0; i < types.size(); i++) {
|
||||
tt->mp[tt->str->c1[i]] = types[i];
|
||||
}
|
||||
if (!preview(TokenType::SCOPE)) {
|
||||
return static_pointer_cast<ValType>(tt);
|
||||
}
|
||||
pt++;
|
||||
return _createType(tt);
|
||||
}
|
||||
|
||||
shared_ptr<ValType> createType() {
|
||||
if (preview(TokenType::FN)) {
|
||||
pt++;
|
||||
auto t = make_shared<FunctionType>();
|
||||
jump(TokenType::LP);
|
||||
auto tems = createTems();
|
||||
for (const auto& pr : tems) {
|
||||
t->c1.push_back(pr.second);
|
||||
}
|
||||
jump(TokenType::COMMA);
|
||||
t->c2 = createTypes();
|
||||
jump(TokenType::COMMA);
|
||||
t->c3 = createType();
|
||||
jump(TokenType::RP);
|
||||
for (const auto& pr : tems) {
|
||||
ndefs.erase(pr.first);
|
||||
}
|
||||
return t;
|
||||
}
|
||||
shared_ptr<ValType> t;
|
||||
if (preview(TokenType::TYPEOF)) {
|
||||
pt++;
|
||||
jump(TokenType::LP);
|
||||
t = createVal();
|
||||
jump(TokenType::RP);
|
||||
} else {
|
||||
auto s = jump(TokenType::ID);
|
||||
if (ndefs.find(s) == ndefs.end() || ndefs[s]->type() == 2) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
if (ndefs[s]->type() == 1) {
|
||||
auto tt = make_shared<StructType>();
|
||||
tt->str = static_pointer_cast<DefStruct>(ndefs[s])->def_struct;
|
||||
vector<shared_ptr<ValType>> types;
|
||||
if (tt->str->c1.size() || preview(TokenType::LT)) {
|
||||
types = createTypes();
|
||||
}
|
||||
if (tt->str->c1.size() != types.size()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
for (size_t i = 0; i < types.size(); i++) {
|
||||
tt->mp[tt->str->c1[i]] = types[i];
|
||||
}
|
||||
t = static_pointer_cast<ValType>(tt);
|
||||
} else {
|
||||
t = static_pointer_cast<ValType>(
|
||||
static_pointer_cast<DefTemplate>(ndefs[s])->def_template);
|
||||
}
|
||||
}
|
||||
if (!preview(TokenType::SCOPE)) {
|
||||
return t;
|
||||
}
|
||||
if (t->type() != 1) {
|
||||
printf("error on line %d", tokens[pt].line), exit(0);
|
||||
}
|
||||
pt++;
|
||||
return _createType(static_pointer_cast<StructType>(t));
|
||||
}
|
||||
|
||||
vector<shared_ptr<ValType>> createTypes() {
|
||||
vector<shared_ptr<ValType>> types;
|
||||
jump(TokenType::LT);
|
||||
if (!preview(TokenType::RT)) {
|
||||
auto single = [&]() { types.push_back(createType()); };
|
||||
for (single(); preview(TokenType::COMMA); pt++, single()) {
|
||||
;
|
||||
}
|
||||
}
|
||||
jump(TokenType::RT);
|
||||
return types;
|
||||
}
|
||||
|
||||
vector<pair<string, shared_ptr<TemplateType>>> createTems() {
|
||||
vector<pair<string, shared_ptr<TemplateType>>> tems;
|
||||
jump(TokenType::LT);
|
||||
if (preview(TokenType::ID)) {
|
||||
auto single = [&]() {
|
||||
auto s = jump(TokenType::ID);
|
||||
if (ndefs.find(s) != ndefs.end()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
auto x = make_shared<TemplateType>();
|
||||
auto d = make_shared<DefTemplate>();
|
||||
d->def_template = x;
|
||||
ndefs[s] = static_pointer_cast<Def>(d);
|
||||
tems.push_back({s, x});
|
||||
};
|
||||
for (single(); preview(TokenType::COMMA); pt++, single()) {
|
||||
;
|
||||
}
|
||||
}
|
||||
jump(TokenType::RT);
|
||||
return tems;
|
||||
}
|
||||
|
||||
vector<pair<string, shared_ptr<ValType>>> createPars() {
|
||||
vector<pair<string, shared_ptr<ValType>>> pars;
|
||||
jump(TokenType::LP);
|
||||
if (preview(TokenType::ID)) {
|
||||
auto single = [&]() {
|
||||
auto s = jump(TokenType::ID);
|
||||
if (ndefs.find(s) != ndefs.end()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
jump(TokenType::COLON);
|
||||
auto t = createType();
|
||||
auto d = make_shared<DefVar>();
|
||||
d->def_var = t;
|
||||
ndefs[s] = static_pointer_cast<Def>(d);
|
||||
pars.push_back({s, t});
|
||||
};
|
||||
for (single(); preview(TokenType::COMMA); pt++, single()) {
|
||||
;
|
||||
}
|
||||
}
|
||||
jump(TokenType::RP);
|
||||
return pars;
|
||||
}
|
||||
|
||||
pair<string, shared_ptr<Struct>> createStruct() {
|
||||
jump(TokenType::STRUCT);
|
||||
string s;
|
||||
vector<pair<string, shared_ptr<TemplateType>>> tems;
|
||||
vector<pair<string, shared_ptr<ValType>>> pars;
|
||||
|
||||
if (preview(TokenType::ID)) {
|
||||
s = tokens[pt++].s;
|
||||
if (preview(TokenType::LT)) {
|
||||
tems = createTems();
|
||||
}
|
||||
pars = createPars();
|
||||
}
|
||||
auto t = make_shared<Struct>();
|
||||
for (const auto& pr : tems) {
|
||||
t->c1.push_back(pr.second);
|
||||
}
|
||||
for (const auto& pr : pars) {
|
||||
t->c2.push_back(pr.second);
|
||||
t->vars[pr.first] = pr.second;
|
||||
}
|
||||
|
||||
jump(TokenType::LB);
|
||||
vector<string> defs;
|
||||
vector<shared_ptr<Struct>> subs;
|
||||
while (!preview(TokenType::RB)) {
|
||||
bool pub = 0;
|
||||
if (preview(TokenType::PUBLIC)) {
|
||||
pub = 1, pt++;
|
||||
}
|
||||
if (preview({TokenType::STRUCT, TokenType::ID})) {
|
||||
auto tt = createStruct();
|
||||
jump(TokenType::SEMI);
|
||||
subs.push_back(tt.second);
|
||||
defs.push_back(tt.first);
|
||||
if (pub) {
|
||||
t->structs[tt.first] = tt.second;
|
||||
}
|
||||
} else {
|
||||
auto tt = createVar();
|
||||
defs.push_back(tt.first);
|
||||
if (pub) {
|
||||
t->vars[tt.first] = tt.second;
|
||||
}
|
||||
}
|
||||
}
|
||||
jump(TokenType::RB);
|
||||
|
||||
for (auto str : subs) {
|
||||
str->fa = t;
|
||||
}
|
||||
for (const auto& pr : tems) {
|
||||
ndefs.erase(pr.first);
|
||||
}
|
||||
for (const auto& pr : pars) {
|
||||
ndefs.erase(pr.first);
|
||||
}
|
||||
for (const auto& ss : defs) {
|
||||
ndefs.erase(ss);
|
||||
}
|
||||
|
||||
if (!s.empty()) {
|
||||
auto tt = make_shared<DefStruct>();
|
||||
tt->def_struct = t;
|
||||
ndefs[s] = static_pointer_cast<Def>(tt);
|
||||
}
|
||||
return {s, t};
|
||||
}
|
||||
|
||||
pair<string, shared_ptr<ValType>> createVar() {
|
||||
string s;
|
||||
shared_ptr<ValType> t;
|
||||
if (preview(TokenType::STRUCT)) {
|
||||
auto pr = createStruct();
|
||||
s = jump(TokenType::ID);
|
||||
jump(TokenType::SEMI);
|
||||
auto tt = make_shared<StructType>();
|
||||
tt->str = pr.second;
|
||||
t = static_pointer_cast<ValType>(tt);
|
||||
} else {
|
||||
s = jump(TokenType::ID);
|
||||
jump(TokenType::ASSIGN);
|
||||
t = createVal();
|
||||
jump(TokenType::SEMI);
|
||||
}
|
||||
if (ndefs.find(s) != ndefs.end()) {
|
||||
printf("error on line %d", tokens[pt - 1].line), exit(0);
|
||||
}
|
||||
auto d = make_shared<DefVar>();
|
||||
d->def_var = t;
|
||||
ndefs[s] = static_pointer_cast<Def>(d);
|
||||
return {s, t};
|
||||
}
|
||||
|
||||
void work(vector<Token> _tokens) {
|
||||
tokens=_tokens;
|
||||
createVar();
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user