feat(compiler): basic transform implementation

2019-09-17 19:08:47 -04:00
parent a5c1b3283d
commit bbb57c26a2
11 changed files with 1889 additions and 1500 deletions
--- a/packages/compiler-core/src/errors.ts
+++ b/packages/compiler-core/src/errors.ts
@@ -0,0 +1,120 @@
+import { Position } from './ast'
+
+export interface CompilerError extends SyntaxError {
+  code: ErrorCodes
+  loc: Position
+}
+
+export function createCompilerError(
+  code: ErrorCodes,
+  loc: Position
+): CompilerError {
+  const error = new SyntaxError(
+    `${__DEV__ || !__BROWSER__ ? errorMessages[code] : code} (${loc.line}:${
+      loc.column
+    })`
+  ) as CompilerError
+  error.code = code
+  error.loc = loc
+  return error
+}
+
+export const enum ErrorCodes {
+  // parse errors
+  ABRUPT_CLOSING_OF_EMPTY_COMMENT,
+  ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE,
+  CDATA_IN_HTML_CONTENT,
+  CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE,
+  CONTROL_CHARACTER_REFERENCE,
+  DUPLICATE_ATTRIBUTE,
+  END_TAG_WITH_ATTRIBUTES,
+  END_TAG_WITH_TRAILING_SOLIDUS,
+  EOF_BEFORE_TAG_NAME,
+  EOF_IN_CDATA,
+  EOF_IN_COMMENT,
+  EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT,
+  EOF_IN_TAG,
+  INCORRECTLY_CLOSED_COMMENT,
+  INCORRECTLY_OPENED_COMMENT,
+  INVALID_FIRST_CHARACTER_OF_TAG_NAME,
+  MISSING_ATTRIBUTE_VALUE,
+  MISSING_END_TAG_NAME,
+  MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE,
+  MISSING_WHITESPACE_BETWEEN_ATTRIBUTES,
+  NESTED_COMMENT,
+  NONCHARACTER_CHARACTER_REFERENCE,
+  NULL_CHARACTER_REFERENCE,
+  SURROGATE_CHARACTER_REFERENCE,
+  UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME,
+  UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE,
+  UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME,
+  UNEXPECTED_NULL_CHARACTER,
+  UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME,
+  UNEXPECTED_SOLIDUS_IN_TAG,
+  UNKNOWN_NAMED_CHARACTER_REFERENCE,
+  X_INVALID_END_TAG,
+  X_MISSING_END_TAG,
+  X_MISSING_INTERPOLATION_END,
+  X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END,
+
+  // transform errors
+  X_ELSE_IF_NO_ADJACENT_IF,
+  X_ELSE_NO_ADJACENT_IF
+}
+
+export const errorMessages: { [code: number]: string } = {
+  // parse errors
+  [ErrorCodes.ABRUPT_CLOSING_OF_EMPTY_COMMENT]: 'Illegal comment.',
+  [ErrorCodes.ABSENCE_OF_DIGITS_IN_NUMERIC_CHARACTER_REFERENCE]:
+    'Illegal numeric character reference: invalid character.',
+  [ErrorCodes.CDATA_IN_HTML_CONTENT]:
+    'CDATA section is allowed only in XML context.',
+  [ErrorCodes.CHARACTER_REFERENCE_OUTSIDE_UNICODE_RANGE]:
+    'Illegal numeric character reference: too big.',
+  [ErrorCodes.CONTROL_CHARACTER_REFERENCE]:
+    'Illegal numeric character reference: control character.',
+  [ErrorCodes.DUPLICATE_ATTRIBUTE]: 'Duplicate attribute.',
+  [ErrorCodes.END_TAG_WITH_ATTRIBUTES]: 'End tag cannot have attributes.',
+  [ErrorCodes.END_TAG_WITH_TRAILING_SOLIDUS]: "Illegal '/' in tags.",
+  [ErrorCodes.EOF_BEFORE_TAG_NAME]: 'Unexpected EOF in tag.',
+  [ErrorCodes.EOF_IN_CDATA]: 'Unexpected EOF in CDATA section.',
+  [ErrorCodes.EOF_IN_COMMENT]: 'Unexpected EOF in comment.',
+  [ErrorCodes.EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT]:
+    'Unexpected EOF in script.',
+  [ErrorCodes.EOF_IN_TAG]: 'Unexpected EOF in tag.',
+  [ErrorCodes.INCORRECTLY_CLOSED_COMMENT]: 'Incorrectly closed comment.',
+  [ErrorCodes.INCORRECTLY_OPENED_COMMENT]: 'Incorrectly opened comment.',
+  [ErrorCodes.INVALID_FIRST_CHARACTER_OF_TAG_NAME]:
+    "Illegal tag name. Use '&lt;' to print '<'.",
+  [ErrorCodes.MISSING_ATTRIBUTE_VALUE]: 'Attribute value was expected.',
+  [ErrorCodes.MISSING_END_TAG_NAME]: 'End tag name was expected.',
+  [ErrorCodes.MISSING_SEMICOLON_AFTER_CHARACTER_REFERENCE]:
+    'Semicolon was expected.',
+  [ErrorCodes.MISSING_WHITESPACE_BETWEEN_ATTRIBUTES]:
+    'Whitespace was expected.',
+  [ErrorCodes.NESTED_COMMENT]: "Unexpected '<!--' in comment.",
+  [ErrorCodes.NONCHARACTER_CHARACTER_REFERENCE]:
+    'Illegal numeric character reference: non character.',
+  [ErrorCodes.NULL_CHARACTER_REFERENCE]:
+    'Illegal numeric character reference: null character.',
+  [ErrorCodes.SURROGATE_CHARACTER_REFERENCE]:
+    'Illegal numeric character reference: non-pair surrogate.',
+  [ErrorCodes.UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME]:
+    'Attribute name cannot contain U+0022 ("), U+0027 (\'), and U+003C (<).',
+  [ErrorCodes.UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE]:
+    'Unquoted attribute value cannot contain U+0022 ("), U+0027 (\'), U+003C (<), U+003D (=), and U+0060 (`).',
+  [ErrorCodes.UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME]:
+    "Attribute name cannot start with '='.",
+  [ErrorCodes.UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME]:
+    "'<?' is allowed only in XML context.",
+  [ErrorCodes.UNEXPECTED_SOLIDUS_IN_TAG]: "Illegal '/' in tags.",
+  [ErrorCodes.UNKNOWN_NAMED_CHARACTER_REFERENCE]: 'Unknown entity name.',
+  [ErrorCodes.X_INVALID_END_TAG]: 'Invalid end tag.',
+  [ErrorCodes.X_MISSING_END_TAG]: 'End tag was not found.',
+  [ErrorCodes.X_MISSING_INTERPOLATION_END]:
+    'Interpolation end sign was not found.',
+
+  // transform errors
+  [ErrorCodes.X_ELSE_IF_NO_ADJACENT_IF]: `v-else-if has no adjacent v-if`,
+  [ErrorCodes.X_ELSE_NO_ADJACENT_IF]: `v-else has no adjacent v-if`
+}