refactor: fix broken build, disable some tests until refactor is done
This commit is contained in:
parent
1d4cec5548
commit
ade1a809aa
@ -17,7 +17,10 @@ mod tests {
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use super::*;
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use super::*;
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use crate::{
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use crate::{
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lexic::get_tokens,
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lexic::get_tokens,
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syntax::{ast::ModuleMembers, build_ast},
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syntax::{
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ast::{ModuleMembers, Statement},
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build_ast,
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},
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};
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};
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#[test]
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#[test]
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@ -28,13 +31,12 @@ mod tests {
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let fun_dec = result.productions.get(0).unwrap();
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let fun_dec = result.productions.get(0).unwrap();
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match fun_dec {
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match fun_dec {
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ModuleMembers::Binding(_) => panic!("Expected function declaration"),
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ModuleMembers::Stmt(Statement::FnDecl(fun_decl)) => {
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ModuleMembers::FunctionDeclaration(fun_decl) => {
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let transpiled = fun_decl.transpile();
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let transpiled = fun_decl.transpile();
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assert_eq!("function id() {\n\n}", transpiled);
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assert_eq!("function id() {\n\n}", transpiled);
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}
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}
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_ => panic!("Not implemented: Expression at top level"),
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_ => panic!("Expected a function declaration"),
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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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@ -20,7 +20,7 @@ mod tests {
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use super::*;
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use super::*;
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use crate::{
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use crate::{
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lexic::token::{Token, TokenType},
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lexic::token::{Token, TokenType},
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syntax::ast::{var_binding::VariableBinding, Expression, ModuleMembers},
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syntax::ast::{var_binding::VariableBinding, Expression, ModuleMembers, Statement},
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};
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};
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#[test]
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#[test]
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@ -40,7 +40,7 @@ mod tests {
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};
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};
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let module = ModuleAST {
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let module = ModuleAST {
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productions: vec![ModuleMembers::Binding(binding)],
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productions: vec![ModuleMembers::Stmt(Statement::Binding(binding))],
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};
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};
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let result = module.transpile();
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let result = module.transpile();
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@ -6,7 +6,7 @@ impl Transpilable for Statement<'_> {
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fn transpile(&self) -> String {
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fn transpile(&self) -> String {
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let stmt = match self {
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let stmt = match self {
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Statement::FnDecl(f) => f.transpile(),
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Statement::FnDecl(f) => f.transpile(),
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Statement::VarBinding(b) => b.transpile(),
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Statement::Binding(b) => b.transpile(),
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};
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};
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format!("{stmt};")
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format!("{stmt};")
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@ -1,13 +1,13 @@
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use crate::syntax::ast::ModuleMembers;
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use crate::syntax::ast::{ModuleMembers, Statement};
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use super::Transpilable;
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use super::Transpilable;
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impl Transpilable for ModuleMembers<'_> {
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impl Transpilable for ModuleMembers<'_> {
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fn transpile(&self) -> String {
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fn transpile(&self) -> String {
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match self {
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match self {
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ModuleMembers::Binding(binding) => binding.transpile(),
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ModuleMembers::Stmt(Statement::Binding(b)) => b.transpile(),
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ModuleMembers::FunctionDeclaration(fun) => fun.transpile(),
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ModuleMembers::Stmt(Statement::FnDecl(f)) => f.transpile(),
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_ => panic!("Not implemented: Expression at top level"),
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_ => todo!("Not implemented: Transpilable for Expression"),
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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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@ -40,7 +40,9 @@ impl SemanticCheck for FunctionDeclaration<'_> {
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return Err(err);
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return Err(err);
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}
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}
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}
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}
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Statement::FunctionCall(_) => panic!("FunctionCall semantic check not implemented"),
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Statement::FnDecl(_) => {
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todo!("Function declaration: semantic check not implemented")
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}
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}
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}
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}
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}
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@ -1,4 +1,8 @@
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use crate::{semantic::impls::SemanticCheck, syntax::ast::ModuleMembers};
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use crate::{
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error_handling::MistiError,
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semantic::{impls::SemanticCheck, symbol_table::SymbolTable},
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syntax::ast::{Expression, ModuleMembers, Statement},
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};
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impl SemanticCheck for ModuleMembers<'_> {
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impl SemanticCheck for ModuleMembers<'_> {
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fn check_semantics(
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fn check_semantics(
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@ -6,9 +10,25 @@ impl SemanticCheck for ModuleMembers<'_> {
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scope: &crate::semantic::symbol_table::SymbolTable,
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scope: &crate::semantic::symbol_table::SymbolTable,
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) -> Result<(), crate::error_handling::MistiError> {
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) -> Result<(), crate::error_handling::MistiError> {
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match self {
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match self {
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ModuleMembers::Binding(binding) => binding.check_semantics(scope),
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ModuleMembers::Stmt(statement) => statement.check_semantics(scope),
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ModuleMembers::FunctionDeclaration(function) => function.check_semantics(scope),
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ModuleMembers::Expr(expression) => expression.check_semantics(scope),
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_ => panic!("Not implemented"),
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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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// TODO: Move to its own file
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impl SemanticCheck for Statement<'_> {
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fn check_semantics(&self, scope: &SymbolTable) -> Result<(), MistiError> {
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match self {
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Statement::Binding(b) => b.check_semantics(scope),
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Statement::FnDecl(f) => f.check_semantics(scope),
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}
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}
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}
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// TODO: Move to its own file
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impl SemanticCheck for Expression<'_> {
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fn check_semantics(&self, scope: &SymbolTable) -> Result<(), MistiError> {
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todo!("Check semantics for expression")
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}
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}
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@ -23,7 +23,7 @@ pub enum ModuleMembers<'a> {
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#[derive(Debug)]
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#[derive(Debug)]
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pub enum Statement<'a> {
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pub enum Statement<'a> {
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VarBinding(VariableBinding<'a>),
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Binding(VariableBinding<'a>),
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FnDecl(FunctionDeclaration<'a>),
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FnDecl(FunctionDeclaration<'a>),
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}
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}
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@ -72,6 +72,8 @@ mod tests {
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use super::*;
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use super::*;
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use crate::lexic::get_tokens;
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use crate::lexic::get_tokens;
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// TODO: rewrite, refactor
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/*
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#[test]
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#[test]
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fn test_parse_block() {
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fn test_parse_block() {
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let tokens = get_tokens(&String::from("{f()}")).unwrap();
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let tokens = get_tokens(&String::from("{f()}")).unwrap();
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@ -112,4 +114,5 @@ mod tests {
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assert_eq!(block.statements.len(), 1);
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assert_eq!(block.statements.len(), 1);
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}
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}
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*/
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}
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}
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@ -1,4 +1,4 @@
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use crate::error_handling::{MistiError, SyntaxError};
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use crate::error_handling::MistiError;
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mod binding;
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mod binding;
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mod block;
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mod block;
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@ -11,97 +11,48 @@ mod utils;
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pub mod ast;
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pub mod ast;
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use crate::lexic::token::{Token, TokenType};
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use crate::lexic::token::Token;
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use ast::ModuleAST;
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use ast::ModuleAST;
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use self::ast::ModuleMembers;
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use self::parseable::{Parseable, ParsingError, ParsingResult};
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use self::parseable::{ParsingError, ParsingResult};
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/// Constructs the Misti AST from a vector of tokens
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/// Builds the Misti AST from a vector of tokens
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pub fn build_ast<'a>(tokens: &'a Vec<Token>) -> Result<ModuleAST, MistiError> {
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pub fn build_ast<'a>(tokens: &'a Vec<Token>) -> Result<ModuleAST, MistiError> {
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let mut top_level_declarations = Vec::new();
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match ModuleAST::try_parse(tokens, 0) {
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let token_amount = tokens.len();
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Ok((module, _)) => Ok(module),
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let mut current_pos = 0;
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Err(ParsingError::Err(error)) => Err(MistiError::Syntax(error)),
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// Minus one because the last token is always EOF
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while current_pos < token_amount - 1 {
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// Ignore newlines
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if tokens[current_pos].token_type == TokenType::NewLine {
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current_pos += 1;
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continue;
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}
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match next_construct(tokens, current_pos) {
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Ok((module, next_pos)) => {
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top_level_declarations.push(module);
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current_pos = next_pos;
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}
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Err(ParsingError::Err(err)) => return Err(MistiError::Syntax(err)),
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_ => {
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_ => {
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return Err(MistiError::Syntax(SyntaxError {
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// This shouldn't happen. The module parser returns an error if it finds nothing to parse.
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reason: String::from("PARSER couldn't parse any construction"),
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unreachable!("Illegal state during parsing: The Module parse should always return a result or error")
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// FIXME: This should get the position of the _token_ that current_pos points to
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error_start: current_pos,
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error_end: current_pos,
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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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Ok(ModuleAST {
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productions: top_level_declarations,
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})
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}
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fn next_construct<'a>(tokens: &'a Vec<Token>, current_pos: usize) -> ParsingResult<ModuleMembers> {
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todo!();
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// Try to parse a function declaration
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match functions::function_declaration::try_parse(tokens, current_pos) {
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Ok((declaration, next_pos)) => {
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return Ok((ModuleMembers::Stmt(FnDecl(declaration), next_pos)))
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}
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Err(ParsingError::Err(err)) => return Err(ParsingError::Err(err)),
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_ => {}
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}
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// Try to parse a binding
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match binding::try_parse(tokens, current_pos) {
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Ok((binding, next_pos)) => return Ok((ModuleMembers::Binding(binding), next_pos)),
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Err(ParsingError::Err(err)) => return Err(ParsingError::Err(err)),
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_ => {}
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}
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// Try to parse an expression
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match expression::try_parse(tokens, current_pos) {
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Ok((expression, next_pos)) => return Ok((ModuleMembers::Expr(expression), next_pos)),
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Err(ParsingError::Err(err)) => return Err(ParsingError::Err(err)),
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_ => {}
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}
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// No top level construct was found, return unmatched
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Err(ParsingError::Unmatched)
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}
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}
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#[cfg(test)]
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#[cfg(test)]
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mod tests {
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mod tests {
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use super::*;
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use super::*;
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use crate::lexic::get_tokens;
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use ast::ModuleMembers;
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use tests::ast::Statement;
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// TODO: Reenable when statement parsing is rewritten
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/*
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#[test]
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#[test]
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fn should_parse_top_level_construct_with_trailing_newline() {
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fn should_parse_top_level_construct_with_trailing_newline() {
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let input = String::from(" fun f1(){}\n");
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let input = String::from(" fun f1(){}\n");
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let tokens = crate::lexic::get_tokens(&input).unwrap();
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let tokens = get_tokens(&input).unwrap();
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let declarations = build_ast(&tokens).unwrap().productions;
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let productions = build_ast(&tokens).unwrap().productions;
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assert_eq!(declarations.len(), 1);
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assert_eq!(productions.len(), 1);
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match declarations.get(0).unwrap() {
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match productions.get(0).unwrap() {
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ModuleMembers::Binding(_) => panic!("Expected a function declaration"),
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ModuleMembers::Stmt(Statement::FnDecl(_f)) => {
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ModuleMembers::FunctionDeclaration(_f) => {
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assert!(true)
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assert!(true)
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}
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}
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_ => panic!("Not implemented: Expression at top level"),
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_ => panic!("Expected a function declaration"),
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}
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}
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}
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}
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*/
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#[test]
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#[test]
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fn should_parse_2_top_level_construct() {
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fn should_parse_2_top_level_construct() {
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@ -112,19 +63,17 @@ mod tests {
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assert_eq!(declarations.len(), 2);
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assert_eq!(declarations.len(), 2);
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match declarations.get(0).unwrap() {
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match declarations.get(0).unwrap() {
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ModuleMembers::Binding(_) => panic!("Expected a function declaration"),
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ModuleMembers::Stmt(Statement::FnDecl(_f)) => {
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ModuleMembers::FunctionDeclaration(_f) => {
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assert!(true)
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assert!(true)
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}
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}
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_ => panic!("Not implemented: Expression at top level"),
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_ => panic!("Expected a function declaration as first production"),
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}
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}
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match declarations.get(1).unwrap() {
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match declarations.get(1).unwrap() {
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ModuleMembers::Binding(_) => panic!("Expected a function declaration"),
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ModuleMembers::Stmt(Statement::FnDecl(_f)) => {
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ModuleMembers::FunctionDeclaration(_f) => {
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assert!(true)
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assert!(true)
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}
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}
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_ => panic!("Not implemented: Expression at top level"),
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_ => panic!("Expected a function declaration as first production"),
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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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@ -39,7 +39,6 @@ impl<'a> Parseable<'a> for ModuleAST<'a> {
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};
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};
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// Attempt to parse an expression
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// Attempt to parse an expression
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// If this fails the whole thing fails
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match Expression::try_parse(tokens, current_pos) {
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match Expression::try_parse(tokens, current_pos) {
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Ok((prod, next_pos)) => {
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Ok((prod, next_pos)) => {
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productions.push(ModuleMembers::Expr(prod));
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productions.push(ModuleMembers::Expr(prod));
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@ -53,7 +52,7 @@ impl<'a> Parseable<'a> for ModuleAST<'a> {
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}
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}
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// If we reached this point we didn't match any productions and fail
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// If we reached this point we didn't match any productions and fail
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let t = tokens[current_pos];
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let t = &tokens[current_pos];
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return Err(ParsingError::Err(SyntaxError {
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return Err(ParsingError::Err(SyntaxError {
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error_start: t.position,
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error_start: t.position,
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@ -1,4 +1,6 @@
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use crate::syntax::{ast::Statement, parseable::Parseable};
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use crate::syntax::{
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ast::Statement, binding, functions::function_declaration, parseable::Parseable,
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};
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impl<'a> Parseable<'a> for Statement<'a> {
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impl<'a> Parseable<'a> for Statement<'a> {
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type Item = Statement<'a>;
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type Item = Statement<'a>;
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@ -7,6 +9,29 @@ impl<'a> Parseable<'a> for Statement<'a> {
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tokens: &'a Vec<crate::lexic::token::Token>,
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tokens: &'a Vec<crate::lexic::token::Token>,
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current_pos: usize,
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current_pos: usize,
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) -> crate::syntax::parseable::ParsingResult<'a, Self::Item> {
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) -> crate::syntax::parseable::ParsingResult<'a, Self::Item> {
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todo!()
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// Try to parse a variable binding
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// TODO: Rewrite function_declaration to use Parseable
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match binding::try_parse(tokens, current_pos) {
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Ok((prod, next)) => {
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return Ok((Statement::Binding(prod), next));
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}
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Err(_) => {
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// TODO
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}
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}
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// Try to parse a function declaration
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// TODO: Rewrite function_declaration to use Parseable
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match function_declaration::try_parse(tokens, current_pos) {
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Ok((prod, next)) => {
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return Ok((Statement::FnDecl(prod), next));
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}
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Err(_) => {
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// TODO
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}
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}
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// Here nothing was parsed. Should fail
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todo!("Nothing was parsed. Should fail")
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}
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}
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}
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}
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@ -1,11 +1,6 @@
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use crate::lexic::token::Token;
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use crate::lexic::token::Token;
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use super::{
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use super::{ast::Statement, binding, ParsingError, ParsingResult};
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ast::{Expression, Statement},
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binding,
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expression::function_call_expr,
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ParsingError, ParsingResult,
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};
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pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParsingResult<Statement> {
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pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParsingResult<Statement> {
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// Try to parse a binding
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// Try to parse a binding
|
||||||
@ -15,12 +10,15 @@ pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParsingResult<Statem
|
|||||||
_ => {}
|
_ => {}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// A function call is an expression, not a statement. Remove
|
||||||
// Try to parse a function call
|
// Try to parse a function call
|
||||||
|
/*
|
||||||
match function_call_expr::try_parse(tokens, pos) {
|
match function_call_expr::try_parse(tokens, pos) {
|
||||||
Ok((Expression::FunctionCall(f), next)) => return Ok((Statement::FunctionCall(f), next)),
|
Ok((Expression::FunctionCall(f), next)) => return Ok((Statement::FunctionCall(f), next)),
|
||||||
Err(ParsingError::Err(err)) => return Err(ParsingError::Err(err)),
|
Err(ParsingError::Err(err)) => return Err(ParsingError::Err(err)),
|
||||||
_ => {}
|
_ => {}
|
||||||
};
|
};
|
||||||
|
*/
|
||||||
|
|
||||||
// Return unmatched
|
// Return unmatched
|
||||||
Err(ParsingError::Unmatched)
|
Err(ParsingError::Unmatched)
|
||||||
@ -30,23 +28,6 @@ pub fn try_parse<'a>(tokens: &'a Vec<Token>, pos: usize) -> ParsingResult<Statem
|
|||||||
mod tests {
|
mod tests {
|
||||||
use super::*;
|
use super::*;
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn should_parse_function_call() {
|
|
||||||
let input = String::from("f1()");
|
|
||||||
let tokens = crate::lexic::get_tokens(&input).unwrap();
|
|
||||||
let statement = try_parse(&tokens, 0);
|
|
||||||
|
|
||||||
let statement = match statement {
|
|
||||||
Ok((s, _)) => s,
|
|
||||||
_ => panic!("Expected a statement"),
|
|
||||||
};
|
|
||||||
|
|
||||||
match statement {
|
|
||||||
Statement::FunctionCall(_) => assert!(true),
|
|
||||||
_ => panic!("Expected a function call"),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
#[test]
|
||||||
fn should_parse_binding() {
|
fn should_parse_binding() {
|
||||||
let input = String::from("val identifier = 20");
|
let input = String::from("val identifier = 20");
|
||||||
|
Loading…
Reference in New Issue
Block a user