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Code Issues Packages Projects Releases 10 Wiki Activity

Perform type-checking in place (#867)

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This commit is contained in:
Geoff Romer
2021-10-11 16:37:39 -07:00
committed by GitHub
parent d177a08e01
commit a99d882223
6 changed files with 189 additions and 319 deletions
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executable_semantics/interpreter/exec_program.cpp
+3 -4
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@@ -49,14 +49,13 @@ void ExecProgram(Nonnull<Arena*> arena, AST ast) {
TypeChecker::TypeCheckContext p = type_checker.TopLevel(&ast.declarations);
TypeEnv top = p.types;
Env ct_top = p.values;
std::vector<Nonnull<const Declaration*>> new_decls;
for (const auto decl : ast.declarations) {
new_decls.push_back(type_checker.MakeTypeChecked(decl, top, ct_top));
type_checker.TypeCheck(decl, top, ct_top);
}
if (tracing_output) {
llvm::outs() << "\n";
llvm::outs() << "********** type checking complete **********\n";
for (const auto decl : new_decls) {
for (const auto decl : ast.declarations) {
llvm::outs() << *decl;
}
llvm::outs() << "********** starting execution **********\n";
@@ -66,7 +65,7 @@ void ExecProgram(Nonnull<Arena*> arena, AST ast) {
Nonnull<Expression*> call_main = arena->New<CallExpression>(
source_loc, arena->New<IdentifierExpression>(source_loc, "main"),
arena->New<TupleLiteral>(source_loc));
int result = Interpreter(arena).InterpProgram(new_decls, call_main);
int result = Interpreter(arena).InterpProgram(ast.declarations, call_main);
llvm::outs() << "result: " << result << "\n";
}