545e575508
This reverts commit 5cd07648fd.
The separators construct is useful as an optimization. It turns out that
constructing a node for every chunk of whitespace in a document causes a
significant performance regression.
Conflicts:
src/compiler/build_tables/build_lex_table.cc
src/compiler/grammar.cc
src/runtime/parser.c
49 lines
819 B
Text
49 lines
819 B
Text
====================
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parses numbers
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===================
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5
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---
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(number)
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===================
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parses variables
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===================
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x
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---
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(variable)
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===================
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parses products
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===================
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x * x
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---
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(product (variable) (variable))
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===================
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parses sums
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===================
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x + x
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---
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(sum (variable) (variable))
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===============================================
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binds multiplication more tightly than addition
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===============================================
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a * b + c * d
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---
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(sum
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(product (variable) (variable))
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(product (variable) (variable)))
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============================
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parses exponents
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============================
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x + y * z^(a + b)
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---
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(sum
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(variable)
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(product
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(variable)
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(exponent
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(variable)
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(group (sum (variable) (variable))))))
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