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chore: error out when multiple arguments are passed to token/token.immediate

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This commit is contained in:
Amaan Qureshi 2024-02-17 00:53:59 -05:00
parent 8dd65ccbc0
commit da1f890752
1 changed files with 5 additions and 3 deletions
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8
cli/src/generate/dsl.js
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@ -157,6 +157,7 @@ function sym(name) {
}
function token(value) {
checkArguments(arguments.length, token, 'token', '', 'literal');
return {
type: "TOKEN",
content: normalize(value)
@ -164,6 +165,7 @@ function token(value) {
}
token.immediate = function(value) {
checkArguments(arguments.length, token.immediate, 'token.immediate', '', 'literal');
return {
type: "IMMEDIATE_TOKEN",
content: normalize(value)
@ -404,11 +406,11 @@ function grammar(baseGrammar, options) {
return { grammar: { name, word, rules, extras, conflicts, precedences, externals, inline, supertypes } };
}
function checkArguments(ruleCount, caller, callerName, suffix = '') {
function checkArguments(ruleCount, caller, callerName, suffix = '', argType = 'rule') {
if (ruleCount > 1) {
const error = new Error([
`The \`${callerName}\` function only takes one rule argument${suffix}.`,
'You passed multiple rules. Did you mean to call `seq`?\n'
`The \`${callerName}\` function only takes one ${argType} argument${suffix}.`,
`You passed in multiple ${argType}s. Did you mean to call \`seq\`?\n`
].join('\n'));
Error.captureStackTrace(error, caller);
throw error