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Add error recovery to javascript if statements

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This commit is contained in:
Max Brunsfeld 2014-03-26 23:02:57 -07:00
parent 6d84e71ceb
commit 2226234924
4 changed files with 823 additions and 785 deletions
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10
examples/grammars/javascript.cc
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@ -29,7 +29,7 @@ namespace tree_sitter {
{ "if_statement", seq({
sym("_if"),
str("("),
sym("expression"),
err(sym("expression")),
str(")"),
sym("statement"),
optional(seq({
@ -37,7 +37,7 @@ namespace tree_sitter {
sym("statement") })) }) },
{ "statement_block", seq({
str("{"),
repeat(sym("statement")),
err(repeat(sym("statement"))),
str("}") }) },
{ "assignment", seq({
sym("_var"),
@ -95,13 +95,13 @@ namespace tree_sitter {
{ "_if", str("if") },
{ "_function", str("function") },
{ "_else", str("else") },
{ "null", str("null") },
{ "true", str("true") },
{ "false", str("false") },
{ "string", pattern("\"([^\"]|\\\\\")+\"") },
{ "identifier", pattern("[\\w_$]+") },
{ "number", pattern("\\d+(.\\d+)?") },
{ "null", str("null") },
{ "true", str("true") },
{ "false", str("false") },
});
}
}

1581
examples/parsers/javascript.c
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File diff suppressed because it is too large Load diff

14
spec/runtime/languages/javascript/errors.txt Normal file
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@ -0,0 +1,14 @@
==========================================
recovers from errors in if statements
==========================================
stuff();
if (*nonsense*) {
*more-nonsense*;
}
moreStuff();
---
(program
(statement (function_call (identifier)))
(if_statement (ERROR)
(statement_block (ERROR)))
(statement (function_call (identifier))))

3
spec/runtime/languages/javascript/main.txt
View file

@ -18,8 +18,7 @@ if (isReady()) {
}
---
(program
(if_statement
(function_call (identifier))
(if_statement (function_call (identifier))
(statement_block (statement (function_call (property_access (identifier) (identifier)) (identifier))))))
==========================================