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authorchriseth <chris@ethereum.org>2018-02-20 02:30:54 +0800
committerGitHub <noreply@github.com>2018-02-20 02:30:54 +0800
commit59f5a3137626b3521fdcb1c5767ce014dc04ee96 (patch)
tree8cb1483d2478e5fdba75a7b6a695559eca3350bb /docs
parent39f09a90f0aa6ecbba2639c08c77b7a077be5d43 (diff)
parent088d0e5dc12f125ac00ee9a073ddada64100c033 (diff)
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Merge pull request #3357 from federicobond/improve-asm-grammar
docs: Improve assembly grammar definition
Diffstat (limited to 'docs')
-rw-r--r--docs/assembly.rst33
1 files changed, 16 insertions, 17 deletions
diff --git a/docs/assembly.rst b/docs/assembly.rst
index afc44d66..02522469 100644
--- a/docs/assembly.rst
+++ b/docs/assembly.rst
@@ -861,38 +861,37 @@ Grammar::
AssemblyItem =
Identifier |
AssemblyBlock |
- FunctionalAssemblyExpression |
+ AssemblyExpression |
AssemblyLocalDefinition |
- FunctionalAssemblyAssignment |
AssemblyAssignment |
+ AssemblyStackAssignment |
LabelDefinition |
AssemblyIf |
AssemblySwitch |
AssemblyFunctionDefinition |
AssemblyFor |
- 'break' | 'continue' |
- SubAssembly | 'dataSize' '(' Identifier ')' |
- LinkerSymbol |
- 'errorLabel' | 'bytecodeSize' |
- NumberLiteral | StringLiteral | HexLiteral
+ 'break' |
+ 'continue' |
+ SubAssembly
+ AssemblyExpression = AssemblyCall | Identifier | AssemblyLiteral
+ AssemblyLiteral = NumberLiteral | StringLiteral | HexLiteral
Identifier = [a-zA-Z_$] [a-zA-Z_0-9]*
- FunctionalAssemblyExpression = Identifier '(' ( AssemblyItem ( ',' AssemblyItem )* )? ')'
- AssemblyLocalDefinition = 'let' IdentifierOrList ':=' FunctionalAssemblyExpression
- FunctionalAssemblyAssignment = IdentifierOrList ':=' FunctionalAssemblyExpression
+ AssemblyCall = Identifier '(' ( AssemblyExpression ( ',' AssemblyExpression )* )? ')'
+ AssemblyLocalDefinition = 'let' IdentifierOrList ( ':=' AssemblyExpression )?
+ AssemblyAssignment = IdentifierOrList ':=' AssemblyExpression
IdentifierOrList = Identifier | '(' IdentifierList ')'
IdentifierList = Identifier ( ',' Identifier)*
- AssemblyAssignment = '=:' Identifier
+ AssemblyStackAssignment = '=:' Identifier
LabelDefinition = Identifier ':'
- AssemblyIf = 'if' FunctionalAssemblyExpression AssemblyBlock
- AssemblySwitch = 'switch' FunctionalAssemblyExpression AssemblyCase*
+ AssemblyIf = 'if' AssemblyExpression AssemblyBlock
+ AssemblySwitch = 'switch' AssemblyExpression AssemblyCase*
( 'default' AssemblyBlock )?
- AssemblyCase = 'case' FunctionalAssemblyExpression AssemblyBlock
+ AssemblyCase = 'case' AssemblyExpression AssemblyBlock
AssemblyFunctionDefinition = 'function' Identifier '(' IdentifierList? ')'
( '->' '(' IdentifierList ')' )? AssemblyBlock
- AssemblyFor = 'for' ( AssemblyBlock | FunctionalAssemblyExpression)
- FunctionalAssemblyExpression ( AssemblyBlock | FunctionalAssemblyExpression) AssemblyBlock
+ AssemblyFor = 'for' ( AssemblyBlock | AssemblyExpression )
+ AssemblyExpression ( AssemblyBlock | AssemblyExpression ) AssemblyBlock
SubAssembly = 'assembly' Identifier AssemblyBlock
- LinkerSymbol = 'linkerSymbol' '(' StringLiteral ')'
NumberLiteral = HexNumber | DecimalNumber
HexLiteral = 'hex' ('"' ([0-9a-fA-F]{2})* '"' | '\'' ([0-9a-fA-F]{2})* '\'')
StringLiteral = '"' ([^"\r\n\\] | '\\' .)* '"'