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Add for-in loops and math assignment operators to js grammar

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This commit is contained in:
Max Brunsfeld 2014-07-07 13:35:55 -07:00
parent f4287c07d0
commit 1c7d2d2d03
6 changed files with 59121 additions and 49463 deletions
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28
examples/grammars/javascript.cc
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@ -22,6 +22,7 @@ namespace tree_sitter_examples {
sym("switch_statement"),
sym("while_statement"),
sym("for_statement"),
sym("for_in_statement"),
sym("break_statement"),
sym("var_declaration"),
sym("throw_statement"),
@ -31,12 +32,20 @@ namespace tree_sitter_examples {
{ "statement_block", in_braces(err(repeat(sym("statement")))) },
{ "for_statement", seq({
keyword("for"),
in_parens(seq({
in_parens(err(seq({
choice({
sym("var_declaration"),
sym("expression_statement") }),
sym("expression_statement"),
err(sym("expression")) })),
sym("expression") }))),
sym("statement") }) },
{ "for_in_statement", seq({
keyword("for"),
in_parens(err(seq({
optional(keyword("var")),
sym("identifier"),
keyword("in"),
sym("expression") }))),
sym("statement") }) },
{ "throw_statement", terminated(seq({
keyword("throw"),
@ -79,9 +88,11 @@ namespace tree_sitter_examples {
{ "break_statement", terminated(keyword("break")) },
{ "var_declaration", terminated(seq({
keyword("var"),
comma_sep(err(choice({
sym("assignment"),
sym("identifier") }))) })) },
comma_sep(err(seq({
sym("identifier"),
optional(seq({
str("="),
sym("expression") })) }))) })) },
{ "expression_statement", terminated(err(sym("expression"))) },
{ "return_statement", terminated(seq({
keyword("return"),
@ -152,7 +163,12 @@ namespace tree_sitter_examples {
choice({
sym("identifier"),
sym("property_access") }),
str("="),
choice({
str("="),
str("+="),
str("-="),
str("*="),
str("/=") }),
sym("expression") })) },
{ "function_expression", seq({
keyword("function"),