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Further grammar.md fixes: union types, idents, string constants.

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Change-Id: I51db0511c52c79f2b322a1fdef798b061941887b
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Wouter van Oortmerssen
2017-08-14 12:18:06 -07:00
parent ad0f48d7e7
commit 00d726fc4c
1 changed files with 9 additions and 4 deletions
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13
docs/source/Grammar.md
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@@ -14,8 +14,8 @@ attribute\_decl = `attribute` string\_constant `;`
type\_decl = ( `table` | `struct` ) ident metadata `{` field\_decl+ `}` type\_decl = ( `table` | `struct` ) ident metadata `{` field\_decl+ `}`
enum\_decl = ( `enum` | `union` ) ident [ `:` type ] metadata `{` commasep( enum\_decl = ( `enum` ident [ `:` type ] | `union` ident ) metadata `{`
enumval\_decl ) `}` commasep( enumval\_decl ) `}`
root\_decl = `root_type` ident `;` root\_decl = `root_type` ident `;`
@@ -49,6 +49,11 @@ file_extension_decl = `file_extension` string\_constant `;`
file_identifier_decl = `file_identifier` string\_constant `;` file_identifier_decl = `file_identifier` string\_constant `;`
integer\_constant = -?[0-9]+ | `true` | `false` integer\_constant = `-?[0-9]+` | `true` | `false`
float\_constant = `-?[0-9]+.[0-9]+((e|E)(+|-)?[0-9]+)?`
string\_constant = `\".*?\"`
ident = `[a-zA-Z_][a-zA-Z0-9_]*`
float\_constant = -?[0-9]+.[0-9]+((e|E)(+|-)?[0-9]+)?