(lazily) codegen parsed expressions. v0.0.9 (rebase)

CHANGELOG.md

@@ -15,11 +15,15 @@
 - Watch mode
 - Formatter
 - Simple language server
-- Decide how to handle comments in the syntax (?)
+- Decide how to handle comments in the syntax (?)(should comments mean something like in rust?)
 
 ## v0.0.10
 
-- [ ] Typecheck current AST
+- [ ] Begin work on semantic analysis
+- [ ] Symbol table
+- [ ] Typecheck bindings
+- [ ] Typecheck functions
+- [ ] Transform simple THP expression into PHP statements
 
 ## v0.0.9
 
@@ -27,7 +31,7 @@
 - [x] Compile a single file
 - [x] Display error messages during compilation instead of panicking
 - [x] Improve error messages
-- [ ] Implement code generation for ast nodes implemented as of now
+- [x] Implement code generation for ast nodes implemented as of now
 
 
 

src/codegen/binding.rs

@@ -6,7 +6,7 @@ impl Transpilable for Binding {
     fn transpile(&self) -> String {
         let expression_str = self.expression.transpile();
 
-        format!("${} = {};", self.identifier, expression_str)
+        format!("${} = {}", self.identifier, expression_str)
     }
 }
 
@@ -28,6 +28,6 @@ mod tests {
 
         let result = binding.transpile();
 
-        assert_eq!("$identifier = 322;", result);
+        assert_eq!("$identifier = 322", result);
     }
 }

src/codegen/expression.rs

@@ -18,11 +18,21 @@ impl Transpilable for Expression {
             Expression::Boolean(value) => String::from(if *value { "true" } else { "false" }),
             Expression::Identifier(value) => format!("{}", *value),
             Expression::FunctionCall(f) => f.transpile(),
+<<<<<<< HEAD
             Expression::BinaryOperator(_, _, _) => {
                 todo!("BinaryOperator codegen is not implemented yet")
+=======
+            Expression::BinaryOperator(left_expr, right_expr, operator) => {
+                format!(
+                    "{}{}{}",
+                    left_expr.transpile(),
+                    operator,
+                    right_expr.transpile()
+                )
+>>>>>>> f71f9ab ((lazily) codegen parsed expressions. v0.0.9)
             }
-            Expression::UnaryOperator(_, _) => {
-                todo!("UnaryOperator codegen is not implemented yet")
+            Expression::UnaryOperator(operator, expression) => {
+                format!("{}{}", operator, expression.transpile())
             }
         }
     }

src/codegen/function_call.rs

@@ -4,6 +4,10 @@ use super::Transpilable;
 
 impl Transpilable for FunctionCall {
     fn transpile(&self) -> String {
+<<<<<<< HEAD
         format!("{}();", self.function.transpile())
+=======
+        format!("{}()", self.identifier)
+>>>>>>> f71f9ab ((lazily) codegen parsed expressions. v0.0.9)
     }
 }

src/codegen/mod.rs

@@ -5,6 +5,7 @@ mod block;
 mod expression;
 mod function_call;
 mod function_declaration;
+mod function_call;
 mod module_ast;
 mod statement;
 mod top_level_construct;

src/codegen/module_ast.rs

@@ -37,6 +37,10 @@ mod tests {
 
         let result = module.transpile();
 
+<<<<<<< HEAD
         assert_eq!("<?php\n\n$identifier = 322;\n", result);
+=======
+        assert_eq!("<?php\n\n$identifier = 322\n", result);
+>>>>>>> f71f9ab ((lazily) codegen parsed expressions. v0.0.9)
     }
 }

src/codegen/statement.rs

@@ -4,9 +4,18 @@ use super::Transpilable;
 
 impl Transpilable for Statement {
     fn transpile(&self) -> String {
+<<<<<<< HEAD
         match self {
             Statement::Binding(binding) => binding.transpile(),
             Statement::FunctionCall(function_call) => function_call.transpile(),
         }
+=======
+        let stmt = match self {
+            Statement::FunctionCall(f) => f.transpile(),
+            Statement::Binding(b) => b.transpile(),
+        };
+
+        format!("{stmt};")
+>>>>>>> f71f9ab ((lazily) codegen parsed expressions. v0.0.9)
     }
 }