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88 lines
3.4 KiB
88 lines
3.4 KiB
3 years ago
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"""
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pygments.lexers.teal
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~~~~~~~~~~~~~~~~~~~~
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Lexer for TEAL.
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:copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from pygments.lexer import RegexLexer, bygroups, include, words
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from pygments.token import Comment, Name, Number, String, Text, Keyword
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__all__ = ['TealLexer']
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class TealLexer(RegexLexer):
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"""
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For the `Transaction Execution Approval Language (TEAL)
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<https://developer.algorand.org/docs/reference/teal/specification/>`
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For more information about the grammar, see:
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https://github.com/algorand/go-algorand/blob/master/data/transactions/logic/assembler.go
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.. versionadded:: 2.9
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"""
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name = 'teal'
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aliases = ['teal']
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filenames = ['*.teal']
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keywords = words({
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'Sender', 'Fee', 'FirstValid', 'FirstValidTime', 'LastValid', 'Note',
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'Lease', 'Receiver', 'Amount', 'CloseRemainderTo', 'VotePK',
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'SelectionPK', 'VoteFirst', 'VoteLast', 'VoteKeyDilution', 'Type',
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'TypeEnum', 'XferAsset', 'AssetAmount', 'AssetSender', 'AssetReceiver',
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'AssetCloseTo', 'GroupIndex', 'TxID', 'ApplicationID', 'OnCompletion',
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'ApplicationArgs', 'NumAppArgs', 'Accounts', 'NumAccounts',
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'ApprovalProgram', 'ClearStateProgram', 'RekeyTo', 'ConfigAsset',
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'ConfigAssetTotal', 'ConfigAssetDecimals', 'ConfigAssetDefaultFrozen',
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'ConfigAssetUnitName', 'ConfigAssetName', 'ConfigAssetURL',
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'ConfigAssetMetadataHash', 'ConfigAssetManager', 'ConfigAssetReserve',
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'ConfigAssetFreeze', 'ConfigAssetClawback', 'FreezeAsset',
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'FreezeAssetAccount', 'FreezeAssetFrozen',
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'NoOp', 'OptIn', 'CloseOut', 'ClearState', 'UpdateApplication',
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'DeleteApplication',
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'MinTxnFee', 'MinBalance', 'MaxTxnLife', 'ZeroAddress', 'GroupSize',
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'LogicSigVersion', 'Round', 'LatestTimestamp', 'CurrentApplicationID',
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'AssetBalance', 'AssetFrozen',
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'AssetTotal', 'AssetDecimals', 'AssetDefaultFrozen', 'AssetUnitName',
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'AssetName', 'AssetURL', 'AssetMetadataHash', 'AssetManager',
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'AssetReserve', 'AssetFreeze', 'AssetClawback',
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}, suffix = r'\b')
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identifier = r'[^ \t\n]+(?=\/\/)|[^ \t\n]+'
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newline = r'\r?\n'
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tokens = {
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'root': [
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include('whitespace'),
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# pragmas match specifically on the space character
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(r'^#pragma .*' + newline, Comment.Directive),
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# labels must be followed by a space,
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# but anything after that is ignored
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('(' + identifier + ':' + ')' + '([ \t].*)',
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bygroups(Name.Label, Comment.Single)),
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(identifier, Name.Function, 'function-args'),
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],
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'function-args': [
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include('whitespace'),
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(r'"', String, 'string'),
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(r'(b(?:ase)?(?:32|64) ?)(\(?[a-zA-Z0-9+/=]+\)?)',
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bygroups(String.Affix, String.Other)),
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(r'[A-Z2-7]{58}', Number), # address
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(r'0x[\da-fA-F]+', Number.Hex),
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(r'\d+', Number.Integer),
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(keywords, Keyword),
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(identifier, Name.Attributes), # branch targets
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(newline, Text, '#pop'),
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],
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'string': [
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(r'\\(?:["nrt\\]|x\d\d)', String.Escape),
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(r'[^\\\"\n]+', String),
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(r'"', String, '#pop'),
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],
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'whitespace': [
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(r'[ \t]+', Text),
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(r'//[^\n]+', Comment.Single),
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],
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}
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