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Add reference assignment

main
raffitz 3 years ago
parent
eda539ebc4
commit
3dac397781
Signed by: raffitz
GPG Key ID: BB3596BD0A31252D
1 changed files with 106 additions and 21 deletions
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  1. 127
      src/main.rs

127
src/main.rs
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@ -48,7 +48,44 @@ pomelo! { @@ -48,7 +48,44 @@ pomelo! {
%type #[regex("s|x|y|z|r|ρ|θ|φ", read_var)] Var char;
%type #[token("e", |_| std::f64::consts::E)] #[token("pi", |_| std::f64::consts::PI)] #[regex("pi/2\\s", |_| std::f64::consts::FRAC_PI_2)] #[regex("pi/3\\s", |_| std::f64::consts::FRAC_PI_3)] #[regex("pi/4\\s", |_| std::f64::consts::FRAC_PI_4)] #[regex("pi/6\\s", |_| std::f64::consts::FRAC_PI_6)] #[regex("pi/8\\s", |_| std::f64::consts::FRAC_PI_8)] #[token("2pi", |_| std::f64::consts::TAU)] #[token("π", |_| std::f64::consts::PI)] #[regex("π/2\\s", |_| std::f64::consts::FRAC_PI_2)] #[regex("π/3\\s", |_| std::f64::consts::FRAC_PI_3)] #[regex("π/4\\s", |_| std::f64::consts::FRAC_PI_4)] #[regex("π/6\\s", |_| std::f64::consts::FRAC_PI_6)] #[regex("π/8\\s", |_| std::f64::consts::FRAC_PI_8)] #[token("2π", |_| std::f64::consts::TAU)] #[token("tau", |_| std::f64::consts::TAU)] #[token("τ", |_| std::f64::consts::TAU)] #[regex("√2\\s", |_| std::f64::consts::SQRT_2)] #[regex(r"[+-]?(?:\d*\.)?\d+", |lex| lex.slice().parse())] Float f64;
%type #[regex(r"@[^@ \t\f\n]+", |lex| String::from(lex.slice()))] Ident String;
%type #[token("set")]
#[token("define")]
#[token("assign")]
Assign;
%type #[token("e", |_| std::f64::consts::E)]
#[token("pi", |_| std::f64::consts::PI)]
#[regex("½pi", |_| std::f64::consts::FRAC_PI_2)]
#[regex("⅓pi", |_| std::f64::consts::FRAC_PI_3)]
#[regex("¼pi", |_| std::f64::consts::FRAC_PI_4)]
#[regex("⅙pi", |_| std::f64::consts::FRAC_PI_6)]
#[regex("⅛pi", |_| std::f64::consts::FRAC_PI_8)]
#[regex("(pi/2)", |_| std::f64::consts::FRAC_PI_2)]
#[regex("(pi/3)", |_| std::f64::consts::FRAC_PI_3)]
#[regex("(pi/4)", |_| std::f64::consts::FRAC_PI_4)]
#[regex("(pi/6)", |_| std::f64::consts::FRAC_PI_6)]
#[regex("(pi/8)", |_| std::f64::consts::FRAC_PI_8)]
#[token("2pi", |_| std::f64::consts::TAU)]
#[token("π", |_| std::f64::consts::PI)]
#[regex("½π", |_| std::f64::consts::FRAC_PI_2)]
#[regex("⅓π", |_| std::f64::consts::FRAC_PI_3)]
#[regex("¼π", |_| std::f64::consts::FRAC_PI_4)]
#[regex("⅙π", |_| std::f64::consts::FRAC_PI_6)]
#[regex("⅛π", |_| std::f64::consts::FRAC_PI_8)]
#[regex("(π/2)", |_| std::f64::consts::FRAC_PI_2)]
#[regex("(π/3)", |_| std::f64::consts::FRAC_PI_3)]
#[regex("(π/4)", |_| std::f64::consts::FRAC_PI_4)]
#[regex("(π/6)", |_| std::f64::consts::FRAC_PI_6)]
#[regex("(π/8)", |_| std::f64::consts::FRAC_PI_8)]
#[token("2π", |_| std::f64::consts::TAU)]
#[token("tau", |_| std::f64::consts::TAU)]
#[token("τ", |_| std::f64::consts::TAU)]
#[regex("√2\\s", |_| std::f64::consts::SQRT_2)]
#[regex("√(2)", |_| std::f64::consts::SQRT_2)]
#[regex(r"[+-]?(?:\d*\.)?\d+", |lex| lex.slice().parse())]
Float f64;
%type #[token("+")] Sum;
%type #[token("-")] Subtraction;
@ -56,36 +93,71 @@ pomelo! { @@ -56,36 +93,71 @@ pomelo! {
%type #[token("*")] Product;
%type #[token("^")] Power;
%type #[regex("=|<|>|≤|≥", read_var)] #[regex("<=", |_| '≤')] #[regex(">=", |_| '≥')] Qualifier char;
%type #[regex("⋀|⋁|⊻|⊼|⊽", read_var)] #[regex("⋂|∧|and|AND|&&", |_| '⋀')] #[regex("∪|∨|v|or|OR|\\|\\|", |_| '⋁')] #[regex("⩒|⩛|⊕|⩡|xor|XOR", |_| '⊻')] #[regex("⩃|nand|NAND", |_| '⊼')] #[regex("⩂|nor|NOR", |_| '⊽')] Junction char;
%type #[token("sin", |_| FunctionType::Sin)] #[token("cos", |_| FunctionType::Cos)] #[token("tan", |_| FunctionType::Tan)] #[token("asin", |_| FunctionType::Asin)] #[token("acos", |_| FunctionType::Acos)] #[token("atan", |_| FunctionType::Atan)] #[token("sign", |_| FunctionType::Sign)] #[token("abs", |_| FunctionType::Abs)] #[token("sqrt", |_| FunctionType::Sqrt)] #[token("√", |_| FunctionType::Sqrt)] #[token("exp", |_| FunctionType::Exp)] #[token("ln", |_| FunctionType::Log(1.0))] #[token("log", |_| FunctionType::Log(std::f64::consts::LN_10))] Function FunctionType;
%type #[token("(")] LParen;
%type #[token(")")] RParen;
%type #[regex(r"\n+")] LineEnd;
%type #[regex("\\\\n", logos::skip)] #[regex("#.*\\n", logos::skip)] #[regex("//.*\\n", logos::skip)] #[regex(r"[ \t\f]+", logos::skip)] #[error] Error;
%type #[regex("=|<|>|≤|≥", read_var)]
#[regex("<=", |_| '≤')]
#[regex(">=", |_| '≥')]
Qualifier char;
%type #[regex("⋀|⋁|⊻|⊼|⊽", read_var)]
#[regex("⋂|∧|and|AND|&&", |_| '⋀')]
#[regex("∪|∨|v|or|OR|\\|\\|", |_| '⋁')]
#[regex("⩒|⩛|⊕|⩡|xor|XOR", |_| '⊻')]
#[regex("⩃|nand|NAND", |_| '⊼')]
#[regex("⩂|nor|NOR", |_| '⊽')]
Junction char;
%type #[token("sin", |_| FunctionType::Sin)]
#[token("cos", |_| FunctionType::Cos)]
#[token("tan", |_| FunctionType::Tan)]
#[token("asin", |_| FunctionType::Asin)]
#[token("acos", |_| FunctionType::Acos)]
#[token("atan", |_| FunctionType::Atan)]
#[token("sign", |_| FunctionType::Sign)]
#[token("abs", |_| FunctionType::Abs)]
#[token("sqrt", |_| FunctionType::Sqrt)]
#[token("√", |_| FunctionType::Sqrt)]
#[token("exp", |_| FunctionType::Exp)]
#[token("ln", |_| FunctionType::Log(1.0))]
#[token("log", |_| FunctionType::Log(std::f64::consts::LN_10))]
Function FunctionType;
%type #[token("(")] LParen;
%type #[token(")")] RParen;
%type #[token("{")] LBrace;
%type #[token("}")] RBrace;
%type #[regex(r"\n+")] LineEnd;
%type #[regex("\\\\n", logos::skip)]
#[regex("#.*\\n", logos::skip)]
#[regex("//.*\\n", logos::skip)]
#[regex(r"[ \t\f]+", logos::skip)]
#[error]
Error;
%left Junction;
%nonassoc Qualifier;
%nonassoc Qualifier Assign;
%left Sum Subtraction;
%left Product Quotient;
%right Power;
%right Function;
%left LineEnd;
input ::= limit LineEnd limit LineEnd limit LineEnd metajuncture;
input ::= limit LineEnd limit LineEnd limit LineEnd metajuncture LineEnd;
input ::= LineEnd limit LineEnd limit LineEnd limit LineEnd metajuncture LineEnd;
input ::= LineEnd limit LineEnd limit LineEnd limit LineEnd metajuncture;
input ::= limits metajuncture;
input ::= limits assignments metajuncture;
limit ::= expr Qualifier Var Qualifier expr;
limits ::= limit LineEnd limit LineEnd limit LineEnd;
limits ::= LineEnd limits;
assignment ::= Assign Ident expr;
assignments ::= assignment LineEnd;
assignments ::= assignment LineEnd assignments;
quality ::= expr Qualifier expr;
juncture ::= quality;
juncture ::= juncture Junction juncture;
juncture ::= LBrace juncture RBrace;
metajuncture ::= juncture;
metajuncture ::= metajuncture LineEnd;
metajuncture ::= metajuncture LineEnd metajuncture;
expr ::= expr Sum expr;
@ -97,6 +169,7 @@ pomelo! { @@ -97,6 +169,7 @@ pomelo! {
expr ::= LParen expr RParen;
expr ::= Var;
expr ::= Float;
expr ::= Ident;
}
fn main() -> Result<(), ()> {
@ -145,17 +218,29 @@ fn main() -> Result<(), ()> { @@ -145,17 +218,29 @@ fn main() -> Result<(), ()> {
let mut data = String::new();
if let Ok(_) = object_description.read_to_string(&mut data) {
if object_description.read_to_string(&mut data).is_ok() {
let lex = parser::Token::lexer(&data);
let mut p = parser::Parser::new();
let mut line_ends = false;
for token in lex {
println!("{:?}", token);
if token == parser::Token::LineEnd {
if line_ends {
continue;
} else {
line_ends = true;
}
} else {
line_ends = false;
}
p.parse(token)?;
//print!("{:?} ", token);
}
let tree = p.end_of_input()?;
println!("{:?}",tree);
println!("\n{:?}", tree);
//println!("\nRead {} bytes, scale is {}", size, scale.unwrap_or(1));
}

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