184 lines
7.8 KiB
TypeScript
184 lines
7.8 KiB
TypeScript
import { SourceLocation } from './ast'
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export interface CompilerError extends SyntaxError {
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code: number
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loc?: SourceLocation
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}
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export interface CoreCompilerError extends CompilerError {
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code: ErrorCodes
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}
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export function defaultOnError(error: CompilerError) {
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throw error
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}
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export function createCompilerError<T extends number>(
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code: T,
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loc?: SourceLocation,
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messages?: { [code: number]: string }
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): T extends ErrorCodes ? CoreCompilerError : CompilerError {
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const msg = __DEV__ || !__BROWSER__ ? (messages || errorMessages)[code] : code
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const error = new SyntaxError(String(msg)) as CompilerError
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error.code = code
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error.loc = loc
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return error as any
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}
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export const enum ErrorCodes {
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// parse errors
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ABRUPT_CLOSING_OF_EMPTY_COMMENT,
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ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
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CDATA_IN_HTML_CONTENT,
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CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE,
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CONTROL_CHARACTER_REFERENCE,
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DUPLICATE_ATTRIBUTE,
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END_TAG_WITH_ATTRIBUTES,
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END_TAG_WITH_TRAILING_SOLIDUS,
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EOF_BEFORE_TAG_NAME,
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EOF_IN_CDATA,
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EOF_IN_COMMENT,
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EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT,
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EOF_IN_TAG,
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INCORRECTLY_CLOSED_COMMENT,
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INCORRECTLY_OPENED_COMMENT,
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INVALID_FIRST_CHARACTER_OF_TAG_NAME,
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MISSING_ATTRIBUTE_VALUE,
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MISSING_END_TAG_NAME,
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MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
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MISSING_WHITESPACE_BETWEEN_ATTRIBUTES,
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NESTED_COMMENT,
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NONCHARACTER_CHARACTER_REFERENCE,
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NULL_CHARACTER_REFERENCE,
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SURROGATE_CHARACTER_REFERENCE,
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UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
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UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
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UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME,
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UNEXPECTED_NULL_CHARACTER,
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UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME,
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UNEXPECTED_SOLIDUS_IN_TAG,
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// Vue-specific parse errors
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X_INVALID_END_TAG,
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X_MISSING_END_TAG,
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X_MISSING_INTERPOLATION_END,
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X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END,
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// transform errors
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X_V_IF_NO_EXPRESSION,
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X_V_ELSE_NO_ADJACENT_IF,
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X_V_FOR_NO_EXPRESSION,
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X_V_FOR_MALFORMED_EXPRESSION,
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X_V_BIND_NO_EXPRESSION,
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X_V_ON_NO_EXPRESSION,
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X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET,
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X_V_SLOT_NAMED_SLOT_ON_COMPONENT,
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X_V_SLOT_MIXED_SLOT_USAGE,
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X_V_SLOT_DUPLICATE_SLOT_NAMES,
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X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN,
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X_V_SLOT_MISPLACED,
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X_V_MODEL_NO_EXPRESSION,
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X_V_MODEL_MALFORMED_EXPRESSION,
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X_V_MODEL_ON_SCOPE_VARIABLE,
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X_INVALID_EXPRESSION,
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// generic errors
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X_PREFIX_ID_NOT_SUPPORTED,
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X_MODULE_MODE_NOT_SUPPORTED,
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X_CACHE_HANDLER_NOT_SUPPORTED,
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X_SCOPE_ID_NOT_SUPPORTED,
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// Special value for higher-order compilers to pick up the last code
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// to avoid collision of error codes. This should always be kept as the last
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// item.
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__EXTEND_POINT__
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}
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export const errorMessages: { [code: number]: string } = {
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// parse errors
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[ErrorCodes.ABRUPT_CLOSING_OF_EMPTY_COMMENT]: 'Illegal comment.',
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[ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE]:
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'Illegal numeric character reference: invalid character.',
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[ErrorCodes.CDATA_IN_HTML_CONTENT]:
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'CDATA section is allowed only in XML context.',
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[ErrorCodes.CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE]:
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'Illegal numeric character reference: too big.',
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[ErrorCodes.CONTROL_CHARACTER_REFERENCE]:
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'Illegal numeric character reference: control character.',
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[ErrorCodes.DUPLICATE_ATTRIBUTE]: 'Duplicate attribute.',
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[ErrorCodes.END_TAG_WITH_ATTRIBUTES]: 'End tag cannot have attributes.',
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[ErrorCodes.END_TAG_WITH_TRAILING_SOLIDUS]: "Illegal '/' in tags.",
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[ErrorCodes.EOF_BEFORE_TAG_NAME]: 'Unexpected EOF in tag.',
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[ErrorCodes.EOF_IN_CDATA]: 'Unexpected EOF in CDATA section.',
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[ErrorCodes.EOF_IN_COMMENT]: 'Unexpected EOF in comment.',
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[ErrorCodes.EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT]:
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'Unexpected EOF in script.',
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[ErrorCodes.EOF_IN_TAG]: 'Unexpected EOF in tag.',
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[ErrorCodes.INCORRECTLY_CLOSED_COMMENT]: 'Incorrectly closed comment.',
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[ErrorCodes.INCORRECTLY_OPENED_COMMENT]: 'Incorrectly opened comment.',
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[ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME]:
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"Illegal tag name. Use '<' to print '<'.",
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[ErrorCodes.MISSING_ATTRIBUTE_VALUE]: 'Attribute value was expected.',
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[ErrorCodes.MISSING_END_TAG_NAME]: 'End tag name was expected.',
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[ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE]:
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'Semicolon was expected.',
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[ErrorCodes.MISSING_WHITESPACE_BETWEEN_ATTRIBUTES]:
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'Whitespace was expected.',
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[ErrorCodes.NESTED_COMMENT]: "Unexpected '<!--' in comment.",
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[ErrorCodes.NONCHARACTER_CHARACTER_REFERENCE]:
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'Illegal numeric character reference: non character.',
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[ErrorCodes.NULL_CHARACTER_REFERENCE]:
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'Illegal numeric character reference: null character.',
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[ErrorCodes.SURROGATE_CHARACTER_REFERENCE]:
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'Illegal numeric character reference: non-pair surrogate.',
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[ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME]:
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'Attribute name cannot contain U+0022 ("), U+0027 (\'), and U+003C (<).',
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[ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE]:
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'Unquoted attribute value cannot contain U+0022 ("), U+0027 (\'), U+003C (<), U+003D (=), and U+0060 (`).',
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[ErrorCodes.UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME]:
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"Attribute name cannot start with '='.",
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[ErrorCodes.UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME]:
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"'<?' is allowed only in XML context.",
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[ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG]: "Illegal '/' in tags.",
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// Vue-specific parse errors
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[ErrorCodes.X_INVALID_END_TAG]: 'Invalid end tag.',
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[ErrorCodes.X_MISSING_END_TAG]: 'Element is missing end tag.',
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[ErrorCodes.X_MISSING_INTERPOLATION_END]:
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'Interpolation end sign was not found.',
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[ErrorCodes.X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END]:
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'End bracket for dynamic directive argument was not found. ' +
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'Note that dynamic directive argument cannot contain spaces.',
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// transform errors
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[ErrorCodes.X_V_IF_NO_EXPRESSION]: `v-if/v-else-if is missing expression.`,
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[ErrorCodes.X_V_ELSE_NO_ADJACENT_IF]: `v-else/v-else-if has no adjacent v-if.`,
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[ErrorCodes.X_V_FOR_NO_EXPRESSION]: `v-for is missing expression.`,
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[ErrorCodes.X_V_FOR_MALFORMED_EXPRESSION]: `v-for has invalid expression.`,
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[ErrorCodes.X_V_BIND_NO_EXPRESSION]: `v-bind is missing expression.`,
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[ErrorCodes.X_V_ON_NO_EXPRESSION]: `v-on is missing expression.`,
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[ErrorCodes.X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET]: `Unexpected custom directive on <slot> outlet.`,
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[ErrorCodes.X_V_SLOT_NAMED_SLOT_ON_COMPONENT]:
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`Named v-slot on component. ` +
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`Named slots should use <template v-slot> syntax nested inside the component.`,
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[ErrorCodes.X_V_SLOT_MIXED_SLOT_USAGE]:
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`Mixed v-slot usage on both the component and nested <template>.` +
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`The default slot should also use <template> syntax when there are other ` +
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`named slots to avoid scope ambiguity.`,
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[ErrorCodes.X_V_SLOT_DUPLICATE_SLOT_NAMES]: `Duplicate slot names found. `,
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[ErrorCodes.X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN]:
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`Extraneous children found when component already has explicitly named ` +
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`default slot. These children will be ignored.`,
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[ErrorCodes.X_V_SLOT_MISPLACED]: `v-slot can only be used on components or <template> tags.`,
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[ErrorCodes.X_V_MODEL_NO_EXPRESSION]: `v-model is missing expression.`,
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[ErrorCodes.X_V_MODEL_MALFORMED_EXPRESSION]: `v-model value must be a valid JavaScript member expression.`,
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[ErrorCodes.X_V_MODEL_ON_SCOPE_VARIABLE]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
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[ErrorCodes.X_INVALID_EXPRESSION]: `Invalid JavaScript expression.`,
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// generic errors
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[ErrorCodes.X_PREFIX_ID_NOT_SUPPORTED]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
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[ErrorCodes.X_MODULE_MODE_NOT_SUPPORTED]: `ES module mode is not supported in this build of compiler.`,
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[ErrorCodes.X_CACHE_HANDLER_NOT_SUPPORTED]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
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[ErrorCodes.X_SCOPE_ID_NOT_SUPPORTED]: `"scopeId" option is only supported in module mode.`
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}
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