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Initial function expression parsing

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This commit is contained in:
dcodeIO
2018-02-27 00:30:04 +01:00
parent 9ef8b162a9
commit bda6cb9792
8 changed files with 306 additions and 51 deletions
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39
src/ast.ts
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@ -34,6 +34,8 @@ export enum NodeKind {
COMMA,
ELEMENTACCESS,
FALSE,
FUNCTION,
FUNCTIONARROW,
LITERAL,
NEW,
NULL,
@ -225,6 +227,18 @@ export abstract class Node {
return expr;
}
static createFunctionExpression(
declaration: FunctionDeclaration,
isArrow: bool = false
): FunctionExpression {
var expr = isArrow
? new FunctionArrowExpression()
: new FunctionExpression();
expr.range = declaration.range;
expr.declaration = declaration;
return expr;
}
static createIntegerLiteralExpression(
value: I64,
range: Range
@ -710,7 +724,7 @@ export abstract class Node {
typeParameters: TypeParameter[],
parameters: Parameter[],
returnType: TypeNode | null,
statements: Statement[] | null,
body: Statement | null,
modifiers: Modifier[] | null,
decorators: Decorator[] | null,
range: Range
@ -721,7 +735,7 @@ export abstract class Node {
stmt.typeParameters = typeParameters; setParent(typeParameters, stmt);
stmt.parameters = parameters; setParent(parameters, stmt);
stmt.returnType = returnType; if (returnType) returnType.parent = stmt;
stmt.statements = statements; if (statements) setParent(statements, stmt);
stmt.body = body; if (body) body.parent = stmt;
stmt.modifiers = modifiers; if (modifiers) setParent(modifiers, stmt);
stmt.decorators = decorators; if (decorators) setParent(decorators, stmt);
return stmt;
@ -732,7 +746,7 @@ export abstract class Node {
typeParameters: TypeParameter[],
parameters: Parameter[],
returnType: TypeNode | null,
statements: Statement[] | null,
body: Statement | null,
modifiers: Modifier[] | null,
decorators: Decorator[] | null,
range: Range
@ -743,7 +757,7 @@ export abstract class Node {
stmt.typeParameters = typeParameters; setParent(typeParameters, stmt);
stmt.parameters = parameters; setParent(parameters, stmt);
stmt.returnType = returnType; if (returnType) returnType.parent = stmt;
stmt.statements = statements; if (statements) setParent(statements, stmt);
stmt.body = body; if (body) body.parent = stmt;
stmt.modifiers = modifiers; if (modifiers) setParent(modifiers, stmt);
stmt.decorators = decorators; if (decorators) setParent(decorators, stmt);
return stmt;
@ -1033,6 +1047,19 @@ export class FloatLiteralExpression extends LiteralExpression {
value: f64;
}
/** Represents a function expression using the 'function' keyword. */
export class FunctionExpression extends Expression {
kind = NodeKind.FUNCTION;
/** Inline function declaration. */
declaration: FunctionDeclaration;
}
/** Represents an arrow function expression. */
export class FunctionArrowExpression extends FunctionExpression {
kind = NodeKind.FUNCTIONARROW;
}
/** Represents an integer literal expression. */
export class IntegerLiteralExpression extends LiteralExpression {
literalKind = LiteralKind.INTEGER;
@ -1468,8 +1495,8 @@ export class FunctionDeclaration extends DeclarationStatement {
parameters: Parameter[];
/** Return type. */
returnType: TypeNode | null;
/** Contained statements. */
statements: Statement[] | null;
/** Body statement. Usually a block. */
body: Statement | null;
}
/** Represents an `if` statement. */