intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 87 insertions, 0 deletions

diff --git a/contrib/python/Pygments/py3/pygments/lexers/teal.py b/contrib/python/Pygments/py3/pygments/lexers/teal.py
new file mode 100644
index 0000000000..33088c882b
--- /dev/null
+++ b/contrib/python/Pygments/py3/pygments/lexers/teal.py
@@ -0,0 +1,87 @@
+"""
+    pygments.lexers.teal
+    ~~~~~~~~~~~~~~~~~~~~
+
+    Lexer for TEAL.
+
+    :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from pygments.lexer import RegexLexer, bygroups, include, words
+from pygments.token import Comment, Name, Number, String, Text, Keyword
+
+__all__ = ['TealLexer']
+
+class TealLexer(RegexLexer):
+    """
+    For the `Transaction Execution Approval Language (TEAL)
+    <https://developer.algorand.org/docs/reference/teal/specification/>`
+
+    For more information about the grammar, see:
+    https://github.com/algorand/go-algorand/blob/master/data/transactions/logic/assembler.go
+
+    .. versionadded:: 2.9
+    """
+    name = 'teal'
+    aliases = ['teal']
+    filenames = ['*.teal']
+
+    keywords = words({
+        'Sender', 'Fee', 'FirstValid', 'FirstValidTime', 'LastValid', 'Note',
+        'Lease', 'Receiver', 'Amount', 'CloseRemainderTo', 'VotePK',
+        'SelectionPK', 'VoteFirst', 'VoteLast', 'VoteKeyDilution', 'Type',
+        'TypeEnum', 'XferAsset', 'AssetAmount', 'AssetSender', 'AssetReceiver',
+        'AssetCloseTo', 'GroupIndex', 'TxID', 'ApplicationID', 'OnCompletion',
+        'ApplicationArgs', 'NumAppArgs', 'Accounts', 'NumAccounts',
+        'ApprovalProgram', 'ClearStateProgram', 'RekeyTo', 'ConfigAsset',
+        'ConfigAssetTotal', 'ConfigAssetDecimals', 'ConfigAssetDefaultFrozen',
+        'ConfigAssetUnitName', 'ConfigAssetName', 'ConfigAssetURL',
+        'ConfigAssetMetadataHash', 'ConfigAssetManager', 'ConfigAssetReserve',
+        'ConfigAssetFreeze', 'ConfigAssetClawback', 'FreezeAsset',
+        'FreezeAssetAccount', 'FreezeAssetFrozen',
+        'NoOp', 'OptIn', 'CloseOut', 'ClearState', 'UpdateApplication',
+        'DeleteApplication',
+        'MinTxnFee', 'MinBalance', 'MaxTxnLife', 'ZeroAddress', 'GroupSize',
+        'LogicSigVersion', 'Round', 'LatestTimestamp', 'CurrentApplicationID',
+        'AssetBalance', 'AssetFrozen',
+        'AssetTotal', 'AssetDecimals', 'AssetDefaultFrozen', 'AssetUnitName',
+        'AssetName', 'AssetURL', 'AssetMetadataHash', 'AssetManager',
+        'AssetReserve', 'AssetFreeze', 'AssetClawback',
+    }, suffix = r'\b')
+
+    identifier = r'[^ \t\n]+(?=\/\/)|[^ \t\n]+'
+    newline = r'\r?\n'
+    tokens = {
+        'root': [
+            include('whitespace'),
+            # pragmas match specifically on the space character
+            (r'^#pragma .*' + newline, Comment.Directive),
+            # labels must be followed by a space,
+            # but anything after that is ignored
+            ('(' + identifier + ':' + ')' + '([ \t].*)',
+                bygroups(Name.Label, Comment.Single)),
+            (identifier, Name.Function, 'function-args'),
+        ],
+        'function-args': [
+            include('whitespace'),
+            (r'"', String, 'string'),
+            (r'(b(?:ase)?(?:32|64) ?)(\(?[a-zA-Z0-9+/=]+\)?)',
+                bygroups(String.Affix, String.Other)),
+            (r'[A-Z2-7]{58}', Number), # address
+            (r'0x[\da-fA-F]+', Number.Hex),
+            (r'\d+', Number.Integer),
+            (keywords, Keyword),
+            (identifier, Name.Attributes),  # branch targets
+            (newline, Text, '#pop'),
+        ],
+        'string': [
+            (r'\\(?:["nrt\\]|x\d\d)', String.Escape),
+            (r'[^\\\"\n]+', String),
+            (r'"', String, '#pop'),
+        ],
+        'whitespace': [
+            (r'[ \t]+', Text),
+            (r'//[^\n]+', Comment.Single),
+        ],
+    }