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Parser doesn't throw any errors

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But doesn't work
This commit is contained in:
Patrick Demian 2020-10-28 00:24:04 -04:00
parent 79c9b9edd4
commit bacb104d89
2 changed files with 58 additions and 57 deletions
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81
src/parser.ts
View File

@ -15,7 +15,7 @@ export class Human2RegexParser extends CstParser {
public nodes: { [key: string]: (idxInCallingRule?: number, ...args: unknown[]) => CstNode } = {};
constructor(private options: Human2RegexParserOptions = new Human2RegexParserOptions()) {
super(T.AllTokens, { recoveryEnabled: true, maxLookahead: 4});
super(T.AllTokens, { recoveryEnabled: true, maxLookahead: 2});
if (Human2RegexParser.already_init) {
throw new Error("Only 1 instance of Human2RegexParser allowed");
@ -25,7 +25,7 @@ export class Human2RegexParser extends CstParser {
const $ = this;
this.nodes.NumberSubStatement = $.RULE("Number Sub-Statement", () => {
this.nodes.NumberSubStatement = $.RULE("NumberSubStatement", () => {
$.OR([
{ ALT: () => $.CONSUME(T.One) },
{ ALT: () => $.CONSUME(T.Two) },
@ -43,48 +43,49 @@ export class Human2RegexParser extends CstParser {
});
// 1, 1..2, between 1 and/to 2 inclusively/exclusively
this.nodes.CountSubStatement = $.RULE("Count Sub-Statement", () => {
this.nodes.CountSubStatement = $.RULE("CountSubStatement", () => {
$.OR([
{ ALT: () => {
$.OPTION(() => $.CONSUME(T.Exactly));
$.SUBRULE(this.nodes.NumberSubStatement);
$.OPTION(() => $.CONSUME(T.Times));
}},
{ ALT: () => {
$.OPTION(() => $.CONSUME(T.From));
$.SUBRULE(this.nodes.NumberSubStatement);
$.OR([
{ ALT: () => $.CONSUME(T.OrMore) },
{ ALT: () => {
$.CONSUME(T.To);
$.SUBRULE(this.nodes.NumberSubStatement);
}}
]);
$.OPTION(() => $.CONSUME(T.Times));
}},
{ ALT: () => {
$.CONSUME(T.Between);
$.SUBRULE(this.nodes.NumberSubStatement);
$.OR([
{ ALT: () => $.CONSUME(T.To) },
$.SUBRULE4(this.nodes.NumberSubStatement);
$.OR3([
{ ALT: () => $.CONSUME2(T.To) },
{ ALT: () => $.CONSUME(T.And) }
]);
$.SUBRULE(this.nodes.NumberSubStatement);
$.OPTION(() => $.CONSUME(T.Times));
$.OPTION(() => {
$.OR([
$.SUBRULE5(this.nodes.NumberSubStatement);
$.OPTION4(() => $.CONSUME3(T.Times));
$.OPTION5(() => {
$.OR4([
{ ALT: () => $.CONSUME(T.Inclusive) },
{ ALT: () => $.CONSUME(T.Exclusive) }
]);
});
}},
{ ALT: () => {
$.OPTION2(() => $.CONSUME(T.From));
$.SUBRULE2(this.nodes.NumberSubStatement);
$.OR2([
{ ALT: () => $.CONSUME(T.OrMore) },
{ ALT: () => {
$.CONSUME(T.To);
$.SUBRULE3(this.nodes.NumberSubStatement);
}}
]);
$.OPTION3(() => $.CONSUME2(T.Times));
}},
{ ALT: () => {
$.OPTION(() => $.CONSUME(T.Exactly));
$.SUBRULE(this.nodes.NumberSubStatement);
$.OPTION6(() => $.CONSUME(T.Times));
}}
]);
});
this.nodes.MatchSubStatement = $.RULE("Match Sub-Statement", () => {
this.nodes.MatchSubStatement = $.RULE("MatchSubStatement", () => {
$.OPTION(() => $.SUBRULE(this.nodes.CountSubStatement) );
$.OPTION(() => $.CONSUME(T.Not));
$.OPTION2(() => $.CONSUME(T.Not));
$.AT_LEAST_ONE_SEP({
SEP: T.Or,
DEF: () => {
@ -113,14 +114,14 @@ export class Human2RegexParser extends CstParser {
$.SUBRULE(this.nodes.MatchSubStatement);
$.MANY(() => {
$.OR([
{ ALT: () => $.CONSUME(T.And) },
{ ALT: () => {
$.OPTION(() => $.CONSUME(T.And));
$.OPTION2(() => $.CONSUME2(T.And));
$.CONSUME(T.Then);
}}
}},
{ ALT: () => $.CONSUME(T.And) },
]);
$.OPTION(() => $.CONSUME(T.Optional));
$.SUBRULE(this.nodes.MatchSubStatement);
$.OPTION3(() => $.CONSUME2(T.Optional));
$.SUBRULE2(this.nodes.MatchSubStatement);
});
});
@ -143,26 +144,26 @@ export class Human2RegexParser extends CstParser {
});
this.nodes.GroupStatement = $.RULE("GroupStatement", () => {
$.OPTION(() => $.CONSUME(T.Optional));
$.OPTION2(() => $.CONSUME(T.Optional));
$.CONSUME(T.Create);
$.CONSUME(T.A);
$.OPTION(() => $.CONSUME(T.Optional));
$.OPTION3(() => $.CONSUME2(T.Optional));
$.CONSUME(T.Group);
$.OPTION(() => {
$.CONSUME(T.Called);
$.CONSUME(T.StringLiteral);
});
$.CONSUME(T.Indent);
$.AT_LEAST_ONE(() => this.nodes.Statement);
$.AT_LEAST_ONE(this.nodes.Statement);
$.CONSUME(T.Outdent);
});
this.nodes.RepeatStatement = $.RULE("RepeatStatement", () => {
$.OPTION(() => $.CONSUME(T.Optional));
$.OPTION3(() => $.CONSUME(T.Optional));
$.CONSUME(T.Repeat);
$.OPTION(() => $.SUBRULE(this.nodes.CountSubStatement));
$.CONSUME(T.Indent);
$.AT_LEAST_ONE(() => this.nodes.Statement);
$.AT_LEAST_ONE(this.nodes.Statement);
$.CONSUME(T.Outdent);
});

4
src/tokens.ts
View File

@ -72,8 +72,8 @@ export const By = createToken({name: "By", pattern: /by/i});
export const EndOfLine = createToken({name: "EOL", pattern: /\n/ });
export const WS = createToken({name: "Whitespace", pattern: /\s+/, group: Lexer.SKIPPED });
export const SingleLineComment = createToken({name: "Single-Line Comment", pattern: /(#|\/\/).*/, group: Lexer.SKIPPED });
export const MultilineComment = createToken({name: "Multi-Line Comment", pattern: /\/\*(.*)\*\//, line_breaks: true, group: Lexer.SKIPPED });
export const SingleLineComment = createToken({name: "SingleLineComment", pattern: /(#|\/\/).*/, group: Lexer.SKIPPED });
export const MultilineComment = createToken({name: "MultiLineComment", pattern: /\/\*(.*)\*\//, line_breaks: true, group: Lexer.SKIPPED });
export const Identifier = createToken({name: "Identifier", pattern: /[a-z]\w*/i });
export const NumberLiteral = createToken({name: "NumberLiteral", pattern: /-?(0|[1-9]\d*)(\.\d+)?([eE][+-]?\d+)?/ });