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@ c1b2442f23b2
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Location: CSY/reowolf/src/protocol/ast_printer.rs
c1b2442f23b2
42.4 KiB
application/rls-services+xml
Remove references to old runtime and stale code
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use std::fmt::{Debug, Display};
use std::io::Write as IOWrite;
use super::ast::*;
use super::token_parsing::*;
const INDENT: usize = 2;
const PREFIX_EMPTY: &'static str = " ";
const PREFIX_ROOT_ID: &'static str = "Root";
const PREFIX_PRAGMA_ID: &'static str = "Prag";
const PREFIX_IMPORT_ID: &'static str = "Imp ";
const PREFIX_TYPE_ANNOT_ID: &'static str = "TyAn";
const PREFIX_VARIABLE_ID: &'static str = "Var ";
const PREFIX_DEFINITION_ID: &'static str = "Def ";
const PREFIX_STRUCT_ID: &'static str = "DefS";
const PREFIX_ENUM_ID: &'static str = "DefE";
const PREFIX_UNION_ID: &'static str = "DefU";
const PREFIX_COMPONENT_ID: &'static str = "DefC";
const PREFIX_FUNCTION_ID: &'static str = "DefF";
const PREFIX_STMT_ID: &'static str = "Stmt";
const PREFIX_BLOCK_STMT_ID: &'static str = "SBl ";
const PREFIX_ENDBLOCK_STMT_ID: &'static str = "SEBl";
const PREFIX_LOCAL_STMT_ID: &'static str = "SLoc";
const PREFIX_MEM_STMT_ID: &'static str = "SMem";
const PREFIX_CHANNEL_STMT_ID: &'static str = "SCha";
const PREFIX_SKIP_STMT_ID: &'static str = "SSki";
const PREFIX_LABELED_STMT_ID: &'static str = "SLab";
const PREFIX_IF_STMT_ID: &'static str = "SIf ";
const PREFIX_ENDIF_STMT_ID: &'static str = "SEIf";
const PREFIX_WHILE_STMT_ID: &'static str = "SWhi";
const PREFIX_ENDWHILE_STMT_ID: &'static str = "SEWh";
const PREFIX_BREAK_STMT_ID: &'static str = "SBre";
const PREFIX_CONTINUE_STMT_ID: &'static str = "SCon";
const PREFIX_SYNC_STMT_ID: &'static str = "SSyn";
const PREFIX_ENDSYNC_STMT_ID: &'static str = "SESy";
const PREFIX_FORK_STMT_ID: &'static str = "SFrk";
const PREFIX_END_FORK_STMT_ID: &'static str = "SEFk";
const PREFIX_RETURN_STMT_ID: &'static str = "SRet";
const PREFIX_ASSERT_STMT_ID: &'static str = "SAsr";
const PREFIX_GOTO_STMT_ID: &'static str = "SGot";
const PREFIX_NEW_STMT_ID: &'static str = "SNew";
const PREFIX_PUT_STMT_ID: &'static str = "SPut";
const PREFIX_EXPR_STMT_ID: &'static str = "SExp";
const PREFIX_ASSIGNMENT_EXPR_ID: &'static str = "EAsi";
const PREFIX_BINDING_EXPR_ID: &'static str = "EBnd";
const PREFIX_CONDITIONAL_EXPR_ID: &'static str = "ECnd";
const PREFIX_BINARY_EXPR_ID: &'static str = "EBin";
const PREFIX_UNARY_EXPR_ID: &'static str = "EUna";
const PREFIX_INDEXING_EXPR_ID: &'static str = "EIdx";
const PREFIX_SLICING_EXPR_ID: &'static str = "ESli";
const PREFIX_SELECT_EXPR_ID: &'static str = "ESel";
const PREFIX_LITERAL_EXPR_ID: &'static str = "ELit";
const PREFIX_CAST_EXPR_ID: &'static str = "ECas";
const PREFIX_CALL_EXPR_ID: &'static str = "ECll";
const PREFIX_VARIABLE_EXPR_ID: &'static str = "EVar";
struct KV<'a> {
buffer: &'a mut String,
prefix: Option<(&'static str, i32)>,
indent: usize,
temp_key: &'a mut String,
temp_val: &'a mut String,
}
impl<'a> KV<'a> {
fn new(buffer: &'a mut String, temp_key: &'a mut String, temp_val: &'a mut String, indent: usize) -> Self {
temp_key.clear();
temp_val.clear();
KV{
buffer,
prefix: None,
indent,
temp_key,
temp_val
}
}
fn with_id(mut self, prefix: &'static str, id: i32) -> Self {
self.prefix = Some((prefix, id));
self
}
fn with_s_key(self, key: &str) -> Self {
self.temp_key.push_str(key);
self
}
fn with_d_key<D: Display>(self, key: &D) -> Self {
self.temp_key.push_str(&key.to_string());
self
}
fn with_s_val(self, val: &str) -> Self {
self.temp_val.push_str(val);
self
}
fn with_disp_val<D: Display>(self, val: &D) -> Self {
self.temp_val.push_str(&format!("{}", val));
self
}
fn with_debug_val<D: Debug>(self, val: &D) -> Self {
self.temp_val.push_str(&format!("{:?}", val));
self
}
fn with_identifier_val(self, val: &Identifier) -> Self {
self.temp_val.push_str(val.value.as_str());
self
}
fn with_opt_disp_val<D: Display>(self, val: Option<&D>) -> Self {
match val {
Some(v) => { self.temp_val.push_str(&format!("Some({})", v)); },
None => { self.temp_val.push_str("None"); }
}
self
}
fn with_opt_identifier_val(self, val: Option<&Identifier>) -> Self {
match val {
Some(v) => {
self.temp_val.push_str("Some(");
self.temp_val.push_str(v.value.as_str());
self.temp_val.push(')');
},
None => {
self.temp_val.push_str("None");
}
}
self
}
fn with_custom_val<F: Fn(&mut String)>(mut self, val_fn: F) -> Self {
val_fn(&mut self.temp_val);
self
}
}
impl<'a> Drop for KV<'a> {
fn drop(&mut self) {
// Prefix and indent
if let Some((prefix, id)) = &self.prefix {
self.buffer.push_str(&format!("{}[{:04}]", prefix, id));
} else {
self.buffer.push_str(" ");
}
for _ in 0..self.indent * INDENT {
self.buffer.push(' ');
}
// Leading dash
self.buffer.push_str("- ");
// Key and value
self.buffer.push_str(self.temp_key);
if self.temp_val.is_empty() {
self.buffer.push(':');
} else {
self.buffer.push_str(": ");
self.buffer.push_str(&self.temp_val);
}
self.buffer.push('\n');
}
}
pub(crate) struct ASTWriter {
cur_definition: Option<DefinitionId>,
buffer: String,
temp1: String,
temp2: String,
}
impl ASTWriter {
pub(crate) fn new() -> Self {
Self{
cur_definition: None,
buffer: String::with_capacity(4096),
temp1: String::with_capacity(256),
temp2: String::with_capacity(256),
}
}
pub(crate) fn write_ast<W: IOWrite>(&mut self, w: &mut W, heap: &Heap) {
for root_id in heap.protocol_descriptions.iter().map(|v| v.this) {
self.write_module(heap, root_id);
w.write_all(self.buffer.as_bytes()).expect("flush buffer");
self.buffer.clear();
}
}
//--------------------------------------------------------------------------
// Top-level module writing
//--------------------------------------------------------------------------
fn write_module(&mut self, heap: &Heap, root_id: RootId) {
self.kv(0).with_id(PREFIX_ROOT_ID, root_id.index)
.with_s_key("Module");
let root = &heap[root_id];
self.kv(1).with_s_key("Pragmas");
for pragma_id in &root.pragmas {
self.write_pragma(heap, *pragma_id, 2);
}
self.kv(1).with_s_key("Imports");
for import_id in &root.imports {
self.write_import(heap, *import_id, 2);
}
self.kv(1).with_s_key("Definitions");
for def_id in &root.definitions {
self.write_definition(heap, *def_id, 2);
}
}
fn write_pragma(&mut self, heap: &Heap, pragma_id: PragmaId, indent: usize) {
match &heap[pragma_id] {
Pragma::Version(pragma) => {
self.kv(indent).with_id(PREFIX_PRAGMA_ID, pragma.this.index)
.with_s_key("PragmaVersion")
.with_disp_val(&pragma.version);
},
Pragma::Module(pragma) => {
self.kv(indent).with_id(PREFIX_PRAGMA_ID, pragma.this.index)
.with_s_key("PragmaModule")
.with_identifier_val(&pragma.value);
}
}
}
fn write_import(&mut self, heap: &Heap, import_id: ImportId, indent: usize) {
let import = &heap[import_id];
let indent2 = indent + 1;
match import {
Import::Module(import) => {
self.kv(indent).with_id(PREFIX_IMPORT_ID, import.this.index)
.with_s_key("ImportModule");
self.kv(indent2).with_s_key("Name").with_identifier_val(&import.module);
self.kv(indent2).with_s_key("Alias").with_identifier_val(&import.alias);
self.kv(indent2).with_s_key("Target").with_disp_val(&import.module_id.index);
},
Import::Symbols(import) => {
self.kv(indent).with_id(PREFIX_IMPORT_ID, import.this.index)
.with_s_key("ImportSymbol");
self.kv(indent2).with_s_key("Name").with_identifier_val(&import.module);
self.kv(indent2).with_s_key("Target").with_disp_val(&import.module_id.index);
self.kv(indent2).with_s_key("Symbols");
let indent3 = indent2 + 1;
let indent4 = indent3 + 1;
for symbol in &import.symbols {
self.kv(indent3).with_s_key("AliasedSymbol");
self.kv(indent4).with_s_key("Name").with_identifier_val(&symbol.name);
self.kv(indent4).with_s_key("Alias").with_opt_identifier_val(symbol.alias.as_ref());
self.kv(indent4).with_s_key("Definition").with_disp_val(&symbol.definition_id.index);
}
}
}
}
//--------------------------------------------------------------------------
// Top-level definition writing
//--------------------------------------------------------------------------
fn write_definition(&mut self, heap: &Heap, def_id: DefinitionId, indent: usize) {
self.cur_definition = Some(def_id);
let indent2 = indent + 1;
let indent3 = indent2 + 1;
let indent4 = indent3 + 1;
match &heap[def_id] {
Definition::Struct(def) => {
self.kv(indent).with_id(PREFIX_STRUCT_ID, def.this.0.index)
.with_s_key("DefinitionStruct");
self.kv(indent2).with_s_key("Name").with_identifier_val(&def.identifier);
for poly_var_id in &def.poly_vars {
self.kv(indent3).with_s_key("PolyVar").with_identifier_val(&poly_var_id);
}
self.kv(indent2).with_s_key("Fields");
for field in &def.fields {
self.kv(indent3).with_s_key("Field");
self.kv(indent4).with_s_key("Name")
.with_identifier_val(&field.field);
self.kv(indent4).with_s_key("Type")
.with_custom_val(|s| write_parser_type(s, heap, &field.parser_type));
}
},
Definition::Enum(def) => {
self.kv(indent).with_id(PREFIX_ENUM_ID, def.this.0.index)
.with_s_key("DefinitionEnum");
self.kv(indent2).with_s_key("Name").with_identifier_val(&def.identifier);
for poly_var_id in &def.poly_vars {
self.kv(indent3).with_s_key("PolyVar").with_identifier_val(&poly_var_id);
}
self.kv(indent2).with_s_key("Variants");
for variant in &def.variants {
self.kv(indent3).with_s_key("Variant");
self.kv(indent4).with_s_key("Name")
.with_identifier_val(&variant.identifier);
let variant_value = self.kv(indent4).with_s_key("Value");
match &variant.value {
EnumVariantValue::None => variant_value.with_s_val("None"),
EnumVariantValue::Integer(value) => variant_value.with_disp_val(value),
};
}
},
Definition::Union(def) => {
self.kv(indent).with_id(PREFIX_UNION_ID, def.this.0.index)
.with_s_key("DefinitionUnion");
self.kv(indent2).with_s_key("Name").with_identifier_val(&def.identifier);
for poly_var_id in &def.poly_vars {
self.kv(indent3).with_s_key("PolyVar").with_identifier_val(&poly_var_id);
}
self.kv(indent2).with_s_key("Variants");
for variant in &def.variants {
self.kv(indent3).with_s_key("Variant");
self.kv(indent4).with_s_key("Name")
.with_identifier_val(&variant.identifier);
if variant.value.is_empty() {
self.kv(indent4).with_s_key("Value").with_s_val("None");
} else {
self.kv(indent4).with_s_key("Values");
for embedded in &variant.value {
self.kv(indent4+1).with_s_key("Value")
.with_custom_val(|v| write_parser_type(v, heap, embedded));
}
}
}
}
Definition::Function(def) => {
self.kv(indent).with_id(PREFIX_FUNCTION_ID, def.this.0.index)
.with_s_key("DefinitionFunction");
self.kv(indent2).with_s_key("Name").with_identifier_val(&def.identifier);
for poly_var_id in &def.poly_vars {
self.kv(indent3).with_s_key("PolyVar").with_identifier_val(&poly_var_id);
}
self.kv(indent2).with_s_key("ReturnParserTypes");
for return_type in &def.return_types {
self.kv(indent3).with_s_key("ReturnParserType")
.with_custom_val(|s| write_parser_type(s, heap, return_type));
}
self.kv(indent2).with_s_key("Parameters");
for variable_id in &def.parameters {
self.write_variable(heap, *variable_id, indent3);
}
self.kv(indent2).with_s_key("Body");
self.write_stmt(heap, def.body.upcast(), indent3);
},
Definition::Component(def) => {
self.kv(indent).with_id(PREFIX_COMPONENT_ID,def.this.0.index)
.with_s_key("DefinitionComponent");
self.kv(indent2).with_s_key("Name").with_identifier_val(&def.identifier);
self.kv(indent2).with_s_key("Variant").with_debug_val(&def.variant);
self.kv(indent2).with_s_key("PolymorphicVariables");
for poly_var_id in &def.poly_vars {
self.kv(indent3).with_s_key("PolyVar").with_identifier_val(&poly_var_id);
}
self.kv(indent2).with_s_key("Parameters");
for variable_id in &def.parameters {
self.write_variable(heap, *variable_id, indent3)
}
self.kv(indent2).with_s_key("Body");
self.write_stmt(heap, def.body.upcast(), indent3);
}
}
}
fn write_stmt(&mut self, heap: &Heap, stmt_id: StatementId, indent: usize) {
let stmt = &heap[stmt_id];
let indent2 = indent + 1;
let indent3 = indent2 + 1;
match stmt {
Statement::Block(stmt) => {
self.kv(indent).with_id(PREFIX_BLOCK_STMT_ID, stmt.this.0.index)
.with_s_key("Block");
self.kv(indent2).with_s_key("EndBlockID").with_disp_val(&stmt.end_block.0.index);
self.kv(indent2).with_s_key("FirstUniqueScopeID").with_disp_val(&stmt.first_unique_id_in_scope);
self.kv(indent2).with_s_key("NextUniqueScopeID").with_disp_val(&stmt.next_unique_id_in_scope);
self.kv(indent2).with_s_key("RelativePos").with_disp_val(&stmt.relative_pos_in_parent);
self.kv(indent2).with_s_key("Statements");
for stmt_id in &stmt.statements {
self.write_stmt(heap, *stmt_id, indent3);
}
},
Statement::EndBlock(stmt) => {
self.kv(indent).with_id(PREFIX_ENDBLOCK_STMT_ID, stmt.this.0.index)
.with_s_key("EndBlock");
self.kv(indent2).with_s_key("StartBlockID").with_disp_val(&stmt.start_block.0.index);
}
Statement::Local(stmt) => {
match stmt {
LocalStatement::Channel(stmt) => {
self.kv(indent).with_id(PREFIX_CHANNEL_STMT_ID, stmt.this.0.0.index)
.with_s_key("LocalChannel");
self.kv(indent2).with_s_key("From");
self.write_variable(heap, stmt.from, indent3);
self.kv(indent2).with_s_key("To");
self.write_variable(heap, stmt.to, indent3);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
},
LocalStatement::Memory(stmt) => {
self.kv(indent).with_id(PREFIX_MEM_STMT_ID, stmt.this.0.0.index)
.with_s_key("LocalMemory");
self.kv(indent2).with_s_key("Variable");
self.write_variable(heap, stmt.variable, indent3);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
}
}
},
Statement::Labeled(stmt) => {
self.kv(indent).with_id(PREFIX_LABELED_STMT_ID, stmt.this.0.index)
.with_s_key("Labeled");
self.kv(indent2).with_s_key("Label").with_identifier_val(&stmt.label);
self.kv(indent2).with_s_key("Statement");
self.write_stmt(heap, stmt.body, indent3);
},
Statement::If(stmt) => {
self.kv(indent).with_id(PREFIX_IF_STMT_ID, stmt.this.0.index)
.with_s_key("If");
self.kv(indent2).with_s_key("EndIf").with_disp_val(&stmt.end_if.0.index);
self.kv(indent2).with_s_key("Condition");
self.write_expr(heap, stmt.test, indent3);
self.kv(indent2).with_s_key("TrueBody");
self.write_stmt(heap, stmt.true_body.upcast(), indent3);
if let Some(false_body) = stmt.false_body {
self.kv(indent2).with_s_key("FalseBody");
self.write_stmt(heap, false_body.upcast(), indent3);
}
},
Statement::EndIf(stmt) => {
self.kv(indent).with_id(PREFIX_ENDIF_STMT_ID, stmt.this.0.index)
.with_s_key("EndIf");
self.kv(indent2).with_s_key("StartIf").with_disp_val(&stmt.start_if.0.index);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
},
Statement::While(stmt) => {
self.kv(indent).with_id(PREFIX_WHILE_STMT_ID, stmt.this.0.index)
.with_s_key("While");
self.kv(indent2).with_s_key("EndWhile").with_disp_val(&stmt.end_while.0.index);
self.kv(indent2).with_s_key("InSync")
.with_disp_val(&stmt.in_sync.0.index);
self.kv(indent2).with_s_key("Condition");
self.write_expr(heap, stmt.test, indent3);
self.kv(indent2).with_s_key("Body");
self.write_stmt(heap, stmt.body.upcast(), indent3);
},
Statement::EndWhile(stmt) => {
self.kv(indent).with_id(PREFIX_ENDWHILE_STMT_ID, stmt.this.0.index)
.with_s_key("EndWhile");
self.kv(indent2).with_s_key("StartWhile").with_disp_val(&stmt.start_while.0.index);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
},
Statement::Break(stmt) => {
self.kv(indent).with_id(PREFIX_BREAK_STMT_ID, stmt.this.0.index)
.with_s_key("Break");
self.kv(indent2).with_s_key("Label")
.with_opt_identifier_val(stmt.label.as_ref());
self.kv(indent2).with_s_key("Target")
.with_opt_disp_val(stmt.target.as_ref().map(|v| &v.0.index));
},
Statement::Continue(stmt) => {
self.kv(indent).with_id(PREFIX_CONTINUE_STMT_ID, stmt.this.0.index)
.with_s_key("Continue");
self.kv(indent2).with_s_key("Label")
.with_opt_identifier_val(stmt.label.as_ref());
self.kv(indent2).with_s_key("Target")
.with_opt_disp_val(stmt.target.as_ref().map(|v| &v.0.index));
},
Statement::Synchronous(stmt) => {
self.kv(indent).with_id(PREFIX_SYNC_STMT_ID, stmt.this.0.index)
.with_s_key("Synchronous");
self.kv(indent2).with_s_key("EndSync").with_disp_val(&stmt.end_sync.0.index);
self.kv(indent2).with_s_key("Body");
self.write_stmt(heap, stmt.body.upcast(), indent3);
},
Statement::EndSynchronous(stmt) => {
self.kv(indent).with_id(PREFIX_ENDSYNC_STMT_ID, stmt.this.0.index)
.with_s_key("EndSynchronous");
self.kv(indent2).with_s_key("StartSync").with_disp_val(&stmt.start_sync.0.index);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
},
Statement::Fork(stmt) => {
self.kv(indent).with_id(PREFIX_FORK_STMT_ID, stmt.this.0.index)
.with_s_key("Fork");
self.kv(indent2).with_s_key("EndFork").with_disp_val(&stmt.end_fork.0.index);
self.kv(indent2).with_s_key("LeftBody");
self.write_stmt(heap, stmt.left_body.upcast(), indent3);
if let Some(right_body_id) = stmt.right_body {
self.kv(indent2).with_s_key("RightBody");
self.write_stmt(heap, right_body_id.upcast(), indent3);
}
},
Statement::EndFork(stmt) => {
self.kv(indent).with_id(PREFIX_END_FORK_STMT_ID, stmt.this.0.index)
.with_s_key("EndFork");
self.kv(indent2).with_s_key("StartFork").with_disp_val(&stmt.start_fork.0.index);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
}
Statement::Return(stmt) => {
self.kv(indent).with_id(PREFIX_RETURN_STMT_ID, stmt.this.0.index)
.with_s_key("Return");
self.kv(indent2).with_s_key("Expressions");
for expr_id in &stmt.expressions {
self.write_expr(heap, *expr_id, indent3);
}
},
Statement::Goto(stmt) => {
self.kv(indent).with_id(PREFIX_GOTO_STMT_ID, stmt.this.0.index)
.with_s_key("Goto");
self.kv(indent2).with_s_key("Label").with_identifier_val(&stmt.label);
self.kv(indent2).with_s_key("Target")
.with_opt_disp_val(stmt.target.as_ref().map(|v| &v.0.index));
},
Statement::New(stmt) => {
self.kv(indent).with_id(PREFIX_NEW_STMT_ID, stmt.this.0.index)
.with_s_key("New");
self.kv(indent2).with_s_key("Expression");
self.write_expr(heap, stmt.expression.upcast(), indent3);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
},
Statement::Expression(stmt) => {
self.kv(indent).with_id(PREFIX_EXPR_STMT_ID, stmt.this.0.index)
.with_s_key("ExpressionStatement");
self.write_expr(heap, stmt.expression, indent2);
self.kv(indent2).with_s_key("Next").with_disp_val(&stmt.next.index);
}
}
}
fn write_expr(&mut self, heap: &Heap, expr_id: ExpressionId, indent: usize) {
let expr = &heap[expr_id];
let indent2 = indent + 1;
let indent3 = indent2 + 1;
match expr {
Expression::Assignment(expr) => {
self.kv(indent).with_id(PREFIX_ASSIGNMENT_EXPR_ID, expr.this.0.index)
.with_s_key("AssignmentExpr");
self.kv(indent2).with_s_key("Operation").with_debug_val(&expr.operation);
self.kv(indent2).with_s_key("Left");
self.write_expr(heap, expr.left, indent3);
self.kv(indent2).with_s_key("Right");
self.write_expr(heap, expr.right, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Binding(expr) => {
self.kv(indent).with_id(PREFIX_BINARY_EXPR_ID, expr.this.0.index)
.with_s_key("BindingExpr");
self.kv(indent2).with_s_key("BindToExpression");
self.write_expr(heap, expr.bound_to, indent3);
self.kv(indent2).with_s_key("BindFromExpression");
self.write_expr(heap, expr.bound_from, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Conditional(expr) => {
self.kv(indent).with_id(PREFIX_CONDITIONAL_EXPR_ID, expr.this.0.index)
.with_s_key("ConditionalExpr");
self.kv(indent2).with_s_key("Condition");
self.write_expr(heap, expr.test, indent3);
self.kv(indent2).with_s_key("TrueExpression");
self.write_expr(heap, expr.true_expression, indent3);
self.kv(indent2).with_s_key("FalseExpression");
self.write_expr(heap, expr.false_expression, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Binary(expr) => {
self.kv(indent).with_id(PREFIX_BINARY_EXPR_ID, expr.this.0.index)
.with_s_key("BinaryExpr");
self.kv(indent2).with_s_key("Operation").with_debug_val(&expr.operation);
self.kv(indent2).with_s_key("Left");
self.write_expr(heap, expr.left, indent3);
self.kv(indent2).with_s_key("Right");
self.write_expr(heap, expr.right, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Unary(expr) => {
self.kv(indent).with_id(PREFIX_UNARY_EXPR_ID, expr.this.0.index)
.with_s_key("UnaryExpr");
self.kv(indent2).with_s_key("Operation").with_debug_val(&expr.operation);
self.kv(indent2).with_s_key("Argument");
self.write_expr(heap, expr.expression, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Indexing(expr) => {
self.kv(indent).with_id(PREFIX_INDEXING_EXPR_ID, expr.this.0.index)
.with_s_key("IndexingExpr");
self.kv(indent2).with_s_key("Subject");
self.write_expr(heap, expr.subject, indent3);
self.kv(indent2).with_s_key("Index");
self.write_expr(heap, expr.index, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Slicing(expr) => {
self.kv(indent).with_id(PREFIX_SLICING_EXPR_ID, expr.this.0.index)
.with_s_key("SlicingExpr");
self.kv(indent2).with_s_key("Subject");
self.write_expr(heap, expr.subject, indent3);
self.kv(indent2).with_s_key("FromIndex");
self.write_expr(heap, expr.from_index, indent3);
self.kv(indent2).with_s_key("ToIndex");
self.write_expr(heap, expr.to_index, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Select(expr) => {
self.kv(indent).with_id(PREFIX_SELECT_EXPR_ID, expr.this.0.index)
.with_s_key("SelectExpr");
self.kv(indent2).with_s_key("Subject");
self.write_expr(heap, expr.subject, indent3);
self.kv(indent2).with_s_key("Field").with_identifier_val(&expr.field_name);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Literal(expr) => {
self.kv(indent).with_id(PREFIX_LITERAL_EXPR_ID, expr.this.0.index)
.with_s_key("LiteralExpr");
let val = self.kv(indent2).with_s_key("Value");
match &expr.value {
Literal::Null => { val.with_s_val("null"); },
Literal::True => { val.with_s_val("true"); },
Literal::False => { val.with_s_val("false"); },
Literal::Character(data) => { val.with_disp_val(data); },
Literal::String(data) => {
// Stupid hack
let string = String::from(data.as_str());
val.with_disp_val(&string);
},
Literal::Integer(data) => { val.with_debug_val(data); },
Literal::Struct(data) => {
val.with_s_val("Struct");
let indent4 = indent3 + 1;
self.kv(indent3).with_s_key("ParserType")
.with_custom_val(|t| write_parser_type(t, heap, &data.parser_type));
self.kv(indent3).with_s_key("Definition").with_disp_val(&data.definition.index);
for field in &data.fields {
self.kv(indent3).with_s_key("Field");
self.kv(indent4).with_s_key("Name").with_identifier_val(&field.identifier);
self.kv(indent4).with_s_key("Index").with_disp_val(&field.field_idx);
self.kv(indent4).with_s_key("ParserType");
self.write_expr(heap, field.value, indent4 + 1);
}
},
Literal::Enum(data) => {
val.with_s_val("Enum");
self.kv(indent3).with_s_key("ParserType")
.with_custom_val(|t| write_parser_type(t, heap, &data.parser_type));
self.kv(indent3).with_s_key("Definition").with_disp_val(&data.definition.index);
self.kv(indent3).with_s_key("VariantIdx").with_disp_val(&data.variant_idx);
},
Literal::Union(data) => {
val.with_s_val("Union");
let indent4 = indent3 + 1;
self.kv(indent3).with_s_key("ParserType")
.with_custom_val(|t| write_parser_type(t, heap, &data.parser_type));
self.kv(indent3).with_s_key("Definition").with_disp_val(&data.definition.index);
self.kv(indent3).with_s_key("VariantIdx").with_disp_val(&data.variant_idx);
for value in &data.values {
self.kv(indent3).with_s_key("Value");
self.write_expr(heap, *value, indent4);
}
}
Literal::Array(data) => {
val.with_s_val("Array");
let indent4 = indent3 + 1;
self.kv(indent3).with_s_key("Elements");
for expr_id in data {
self.write_expr(heap, *expr_id, indent4);
}
}
}
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Cast(expr) => {
self.kv(indent).with_id(PREFIX_CAST_EXPR_ID, expr.this.0.index)
.with_s_key("CallExpr");
self.kv(indent2).with_s_key("ToType")
.with_custom_val(|t| write_parser_type(t, heap, &expr.to_type));
self.kv(indent2).with_s_key("Subject");
self.write_expr(heap, expr.subject, indent3);
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
}
Expression::Call(expr) => {
self.kv(indent).with_id(PREFIX_CALL_EXPR_ID, expr.this.0.index)
.with_s_key("CallExpr");
let definition = &heap[expr.definition];
match definition {
Definition::Component(definition) => {
self.kv(indent2).with_s_key("BuiltIn").with_disp_val(&false);
self.kv(indent2).with_s_key("Variant").with_debug_val(&definition.variant);
},
Definition::Function(definition) => {
self.kv(indent2).with_s_key("BuiltIn").with_disp_val(&definition.builtin);
self.kv(indent2).with_s_key("Variant").with_s_val("Function");
},
_ => unreachable!()
}
self.kv(indent2).with_s_key("MethodName").with_identifier_val(definition.identifier());
self.kv(indent2).with_s_key("ParserType")
.with_custom_val(|t| write_parser_type(t, heap, &expr.parser_type));
// Arguments
self.kv(indent2).with_s_key("Arguments");
for arg_id in &expr.arguments {
self.write_expr(heap, *arg_id, indent3);
}
// Parent
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
},
Expression::Variable(expr) => {
self.kv(indent).with_id(PREFIX_VARIABLE_EXPR_ID, expr.this.0.index)
.with_s_key("VariableExpr");
self.kv(indent2).with_s_key("Name").with_identifier_val(&expr.identifier);
self.kv(indent2).with_s_key("Definition")
.with_opt_disp_val(expr.declaration.as_ref().map(|v| &v.index));
self.kv(indent2).with_s_key("Parent")
.with_custom_val(|v| write_expression_parent(v, &expr.parent));
}
}
}
fn write_variable(&mut self, heap: &Heap, variable_id: VariableId, indent: usize) {
let var = &heap[variable_id];
let indent2 = indent + 1;
self.kv(indent).with_id(PREFIX_VARIABLE_ID, variable_id.index)
.with_s_key("Variable");
self.kv(indent2).with_s_key("Name").with_identifier_val(&var.identifier);
self.kv(indent2).with_s_key("Kind").with_debug_val(&var.kind);
self.kv(indent2).with_s_key("ParserType")
.with_custom_val(|w| write_parser_type(w, heap, &var.parser_type));
self.kv(indent2).with_s_key("RelativePos").with_disp_val(&var.relative_pos_in_block);
self.kv(indent2).with_s_key("UniqueScopeID").with_disp_val(&var.unique_id_in_scope);
}
//--------------------------------------------------------------------------
// Printing Utilities
//--------------------------------------------------------------------------
fn kv(&mut self, indent: usize) -> KV {
KV::new(&mut self.buffer, &mut self.temp1, &mut self.temp2, indent)
}
fn flush<W: IOWrite>(&mut self, w: &mut W) {
w.write(self.buffer.as_bytes()).unwrap();
self.buffer.clear()
}
}
fn write_option<V: Display>(target: &mut String, value: Option<V>) {
target.clear();
match &value {
Some(v) => target.push_str(&format!("Some({})", v)),
None => target.push_str("None")
};
}
fn write_parser_type(target: &mut String, heap: &Heap, t: &ParserType) {
use ParserTypeVariant as PTV;
fn write_element(target: &mut String, heap: &Heap, t: &ParserType, mut element_idx: usize) -> usize {
let element = &t.elements[element_idx];
match &element.variant {
PTV::Void => target.push_str("void"),
PTV::InputOrOutput => {
target.push_str("portlike<");
element_idx = write_element(target, heap, t, element_idx + 1);
target.push('>');
},
PTV::ArrayLike => {
element_idx = write_element(target, heap, t, element_idx + 1);
target.push_str("[???]");
},
PTV::IntegerLike => target.push_str("integerlike"),
PTV::Message => { target.push_str(KW_TYPE_MESSAGE_STR); },
PTV::Bool => { target.push_str(KW_TYPE_BOOL_STR); },
PTV::UInt8 => { target.push_str(KW_TYPE_UINT8_STR); },
PTV::UInt16 => { target.push_str(KW_TYPE_UINT16_STR); },
PTV::UInt32 => { target.push_str(KW_TYPE_UINT32_STR); },
PTV::UInt64 => { target.push_str(KW_TYPE_UINT64_STR); },
PTV::SInt8 => { target.push_str(KW_TYPE_SINT8_STR); },
PTV::SInt16 => { target.push_str(KW_TYPE_SINT16_STR); },
PTV::SInt32 => { target.push_str(KW_TYPE_SINT32_STR); },
PTV::SInt64 => { target.push_str(KW_TYPE_SINT64_STR); },
PTV::Character => { target.push_str(KW_TYPE_CHAR_STR); },
PTV::String => { target.push_str(KW_TYPE_STRING_STR); },
PTV::IntegerLiteral => { target.push_str("int_literal"); },
PTV::Inferred => { target.push_str(KW_TYPE_INFERRED_STR); },
PTV::Array => {
element_idx = write_element(target, heap, t, element_idx + 1);
target.push_str("[]");
},
PTV::Input => {
target.push_str(KW_TYPE_IN_PORT_STR);
target.push('<');
element_idx = write_element(target, heap, t, element_idx + 1);
target.push('>');
},
PTV::Output => {
target.push_str(KW_TYPE_OUT_PORT_STR);
target.push('<');
element_idx = write_element(target, heap, t, element_idx + 1);
target.push('>');
},
PTV::PolymorphicArgument(definition_id, arg_idx) => {
let definition = &heap[*definition_id];
let poly_var = &definition.poly_vars()[*arg_idx as usize].value;
target.push_str(poly_var.as_str());
},
PTV::Definition(definition_id, num_embedded) => {
let definition = &heap[*definition_id];
let definition_ident = definition.identifier().value.as_str();
target.push_str(definition_ident);
let num_embedded = *num_embedded;
if num_embedded != 0 {
target.push('<');
for embedded_idx in 0..num_embedded {
if embedded_idx != 0 {
target.push(',');
}
element_idx = write_element(target, heap, t, element_idx + 1);
}
target.push('>');
}
}
}
element_idx
}
write_element(target, heap, t, 0);
}
fn write_concrete_type(target: &mut String, heap: &Heap, def_id: DefinitionId, t: &ConcreteType) {
use ConcreteTypePart as CTP;
fn write_concrete_part(target: &mut String, heap: &Heap, def_id: DefinitionId, t: &ConcreteType, mut idx: usize) -> usize {
if idx >= t.parts.len() {
return idx;
}
match &t.parts[idx] {
CTP::Void => target.push_str("void"),
CTP::Message => target.push_str("msg"),
CTP::Bool => target.push_str("bool"),
CTP::UInt8 => target.push_str(KW_TYPE_UINT8_STR),
CTP::UInt16 => target.push_str(KW_TYPE_UINT16_STR),
CTP::UInt32 => target.push_str(KW_TYPE_UINT32_STR),
CTP::UInt64 => target.push_str(KW_TYPE_UINT64_STR),
CTP::SInt8 => target.push_str(KW_TYPE_SINT8_STR),
CTP::SInt16 => target.push_str(KW_TYPE_SINT16_STR),
CTP::SInt32 => target.push_str(KW_TYPE_SINT32_STR),
CTP::SInt64 => target.push_str(KW_TYPE_SINT64_STR),
CTP::Character => target.push_str(KW_TYPE_CHAR_STR),
CTP::String => target.push_str(KW_TYPE_STRING_STR),
CTP::Array => {
idx = write_concrete_part(target, heap, def_id, t, idx + 1);
target.push_str("[]");
},
CTP::Slice => {
idx = write_concrete_part(target, heap, def_id, t, idx + 1);
target.push_str("[..]");
}
CTP::Input => {
target.push_str("in<");
idx = write_concrete_part(target, heap, def_id, t, idx + 1);
target.push('>');
},
CTP::Output => {
target.push_str("out<");
idx = write_concrete_part(target, heap, def_id, t, idx + 1);
target.push('>')
},
CTP::Instance(definition_id, num_embedded) => {
let identifier = heap[*definition_id].identifier();
target.push_str(identifier.value.as_str());
target.push('<');
for idx_embedded in 0..*num_embedded {
if idx_embedded != 0 {
target.push_str(", ");
}
idx = write_concrete_part(target, heap, def_id, t, idx + 1);
}
target.push('>');
},
CTP::Function(_, _) => todo!("AST printer for ConcreteTypePart::Function"),
CTP::Component(_, _) => todo!("AST printer for ConcreteTypePart::Component"),
}
idx + 1
}
write_concrete_part(target, heap, def_id, t, 0);
}
fn write_expression_parent(target: &mut String, parent: &ExpressionParent) {
use ExpressionParent as EP;
*target = match parent {
EP::None => String::from("None"),
EP::If(id) => format!("IfStmt({})", id.0.index),
EP::While(id) => format!("WhileStmt({})", id.0.index),
EP::Return(id) => format!("ReturnStmt({})", id.0.index),
EP::New(id) => format!("NewStmt({})", id.0.index),
EP::ExpressionStmt(id) => format!("ExprStmt({})", id.0.index),
EP::Expression(id, idx) => format!("Expr({}, {})", id.index, idx)
};
}
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