authorgravatar for 11367844+lino-levan@users.noreply.github.comLino Le Van <11367844+lino-levan@users.noreply.github.com> 2024-01-17 10:35:51-08:00
committergravatar for 11367844+lino-levan@users.noreply.github.comLino Le Van <11367844+lino-levan@users.noreply.github.com> 2024-01-17 10:35:51-08:00
log30d91f57ad954a930871abb4d9bfe9028b66f0b9
treee16ffc1efa256eb43d5f55b88e4196d224046ecd
parentcbd76a10233a219727ef576f0dee88eb5902f798

chore: move printer into a seperate folder

3 files changed, 141 insertions(+), 141 deletions(-)

compiler/src/lib.rs+2-2
...@@ -2,7 +2,7 @@ use miette::Result;...@@ -2,7 +2,7 @@ use miette::Result;
22
3pub mod ast;3pub mod ast;
4pub mod tokenizer;4pub mod tokenizer;
5pub mod walker;5pub mod printer;
66
7pub mod util;7pub mod util;
88
...@@ -14,7 +14,7 @@ pub fn transpile(content: String) -> Result<String> {...@@ -14,7 +14,7 @@ pub fn transpile(content: String) -> Result<String> {
14 // 3. Type check the AST14 // 3. Type check the AST
15 // type_check(tree.clone())?;15 // type_check(tree.clone())?;
16 // 4. Transpile the AST into javascript16 // 4. Transpile the AST into javascript
17 let result = walker::transpile(tree)?;17 let result = printer::transpile(tree)?;
18 // 5. Return the javascript18 // 5. Return the javascript
19 return Ok(result);19 return Ok(result);
20}20}
compiler/src/printer/mod.rs created+139
...@@ -0,0 +1,139 @@
1use miette::Result;
2
3use super::ast::{Ast, Type};
4
5fn transpile_helper(tree: &Ast) -> Result<String> {
6 Ok(match tree {
7 Ast::Number(number) => format!("{}", number),
8 Ast::Identifier(name) => format!("{}", name),
9 Ast::Bool(value) => format!("{}", value),
10 Ast::String(value) => format!("\"{}\"", value),
11 Ast::Comment(comment) => format!("// {}\n", comment),
12 Ast::DocComment(comment) => format!("/** {} */\n", comment),
13 Ast::Operation {
14 operator,
15 left,
16 right,
17 } => format!(
18 "{} {} {}",
19 transpile_helper(left)?,
20 operator.clone().to_string(),
21 transpile_helper(right)?
22 ),
23 Ast::Public { value } => format!("export {}", transpile_helper(value)?),
24 Ast::VariableDeclaration {
25 name,
26 return_type,
27 value,
28 } => match return_type {
29 Type::Bigint => format!("let {} = BigInt({});\n", name, transpile_helper(value)?),
30 _ => format!("let {} = {};\n", name, transpile_helper(value)?),
31 },
32 Ast::ConstantDeclaration {
33 name,
34 return_type,
35 value,
36 } => match return_type {
37 Type::Bigint => format!("const {} = BigInt({});\n", name, transpile_helper(value)?),
38 _ => format!("const {} = {};\n", name, transpile_helper(value)?),
39 },
40 Ast::Return { return_value } => format!("return {};\n", transpile_helper(return_value)?),
41 Ast::Function {
42 name,
43 arguments,
44 return_type: _,
45 block,
46 } => {
47 let mut result = format!("function {}(", name);
48
49 for (i, argument) in arguments.iter().enumerate() {
50 if i == 0 {
51 result += argument.name.as_str();
52 } else {
53 result += format!(", {}", argument.name).as_str();
54 }
55 }
56
57 result += ") {\n";
58
59 for (i, statement) in block.value.iter().enumerate() {
60 if block.implicit_return && i == block.value.len() - 1 {
61 result += format!("return {};\n", transpile_helper(statement)?).as_str();
62 break;
63 }
64 result += transpile_helper(statement)?.as_str();
65 }
66
67 result += "}\n";
68
69 result
70 }
71 Ast::If {
72 condition,
73 value,
74 else_value,
75 } => {
76 let mut result = format!("if ({}) {{\n", transpile_helper(condition)?,);
77
78 for (i, statement) in value.value.iter().enumerate() {
79 if value.implicit_return && i == value.value.len() - 1 {
80 result += format!("return {};\n", transpile_helper(statement)?).as_str();
81 break;
82 }
83 result += transpile_helper(statement)?.as_str();
84 }
85
86 result += "}";
87
88 if let Some(val) = else_value {
89 result += format!(" else {{\n{}}}", transpile_helper(val)?).as_str();
90 } else {
91 result += "\n";
92 }
93
94 result
95 }
96 Ast::FunctionCall { name, arguments } => {
97 let mut result = match name.as_str() {
98 "print" => String::from("console.log("),
99 _ => format!("{}(", name),
100 };
101
102 for (i, argument) in arguments.iter().enumerate() {
103 if i == 0 {
104 result += transpile_helper(argument)?.as_str();
105 } else {
106 result += format!(", {}", transpile_helper(argument)?).as_str();
107 }
108 }
109
110 result += ")";
111
112 result
113 }
114 Ast::Block(block) => {
115 let mut result = String::from("(()=>{\n");
116 for (i, statement) in block.value.iter().enumerate() {
117 if block.implicit_return && i == block.value.len() - 1 {
118 result += format!("return {};\n", transpile_helper(statement)?).as_str();
119 break;
120 }
121 result += transpile_helper(statement)?.as_str();
122 }
123
124 result += "})()\n";
125
126 result
127 }
128 })
129}
130
131pub fn transpile(forest: Vec<Ast>) -> Result<String> {
132 let mut result = String::new();
133
134 for tree in forest {
135 result.push_str(&transpile_helper(&tree)?);
136 }
137
138 Ok(result)
139}
compiler/src/walker.rs deleted-139
...@@ -1,139 +0,0 @@
1use miette::Result;
2
3use super::ast::{Ast, Type};
4
5fn transpile_helper(tree: &Ast) -> Result<String> {
6 Ok(match tree {
7 Ast::Number(number) => format!("{}", number),
8 Ast::Identifier(name) => format!("{}", name),
9 Ast::Bool(value) => format!("{}", value),
10 Ast::String(value) => format!("\"{}\"", value),
11 Ast::Comment(comment) => format!("// {}\n", comment),
12 Ast::DocComment(comment) => format!("/** {} */\n", comment),
13 Ast::Operation {
14 operator,
15 left,
16 right,
17 } => format!(
18 "{} {} {}",
19 transpile_helper(left)?,
20 operator.clone().to_string(),
21 transpile_helper(right)?
22 ),
23 Ast::Public { value } => format!("export {}", transpile_helper(value)?),
24 Ast::VariableDeclaration {
25 name,
26 return_type,
27 value,
28 } => match return_type {
29 Type::Bigint => format!("let {} = BigInt({});\n", name, transpile_helper(value)?),
30 _ => format!("let {} = {};\n", name, transpile_helper(value)?),
31 },
32 Ast::ConstantDeclaration {
33 name,
34 return_type,
35 value,
36 } => match return_type {
37 Type::Bigint => format!("const {} = BigInt({});\n", name, transpile_helper(value)?),
38 _ => format!("const {} = {};\n", name, transpile_helper(value)?),
39 },
40 Ast::Return { return_value } => format!("return {};\n", transpile_helper(return_value)?),
41 Ast::Function {
42 name,
43 arguments,
44 return_type: _,
45 block,
46 } => {
47 let mut result = format!("function {}(", name);
48
49 for (i, argument) in arguments.iter().enumerate() {
50 if i == 0 {
51 result += argument.name.as_str();
52 } else {
53 result += format!(", {}", argument.name).as_str();
54 }
55 }
56
57 result += ") {\n";
58
59 for (i, statement) in block.value.iter().enumerate() {
60 if block.implicit_return && i == block.value.len() - 1 {
61 result += format!("return {};\n", transpile_helper(statement)?).as_str();
62 break;
63 }
64 result += transpile_helper(statement)?.as_str();
65 }
66
67 result += "}\n";
68
69 result
70 }
71 Ast::If {
72 condition,
73 value,
74 else_value,
75 } => {
76 let mut result = format!("if ({}) {{\n", transpile_helper(condition)?,);
77
78 for (i, statement) in value.value.iter().enumerate() {
79 if value.implicit_return && i == value.value.len() - 1 {
80 result += format!("return {};\n", transpile_helper(statement)?).as_str();
81 break;
82 }
83 result += transpile_helper(statement)?.as_str();
84 }
85
86 result += "}";
87
88 if let Some(val) = else_value {
89 result += format!(" else {{\n{}}}", transpile_helper(val)?).as_str();
90 } else {
91 result += "\n";
92 }
93
94 result
95 }
96 Ast::FunctionCall { name, arguments } => {
97 let mut result = match name.as_str() {
98 "print" => String::from("console.log("),
99 _ => format!("{}(", name),
100 };
101
102 for (i, argument) in arguments.iter().enumerate() {
103 if i == 0 {
104 result += transpile_helper(argument)?.as_str();
105 } else {
106 result += format!(", {}", transpile_helper(argument)?).as_str();
107 }
108 }
109
110 result += ")";
111
112 result
113 }
114 Ast::Block(block) => {
115 let mut result = String::from("(()=>{\n");
116 for (i, statement) in block.value.iter().enumerate() {
117 if block.implicit_return && i == block.value.len() - 1 {
118 result += format!("return {};\n", transpile_helper(statement)?).as_str();
119 break;
120 }
121 result += transpile_helper(statement)?.as_str();
122 }
123
124 result += "})()\n";
125
126 result
127 }
128 })
129}
130
131pub fn transpile(forest: Vec<Ast>) -> Result<String> {
132 let mut result = String::new();
133
134 for tree in forest {
135 result.push_str(&transpile_helper(&tree)?);
136 }
137
138 Ok(result)
139}