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style: comment and formatting changes

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* data/bison.m4, data/c++.m4, data/glr.c, data/java.m4, data/lalr1.cc,
* data/yacc.c, src/scan-code.l:
Fix comments.
Prefer POS to denote the position of a symbol in a rule, since NUM
is also used to denote symbol numbers.
This commit is contained in:
Akim Demaille
2018-12-02 08:32:01 +01:00
parent d527b2d0f1
commit e40db8976c
7 changed files with 83 additions and 79 deletions
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6
data/bison.m4
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@@ -391,7 +391,7 @@ b4_define_flag_if([yacc]) # Whether POSIX Yacc is emulated.
# If has_id, the id. Guaranteed to be usable as a C identifier.
# Prefixed by api.token.prefix if defined.
# - tag: string.
# A representat of the symbol. Can be 'foo', 'foo.id', '"foo"' etc.
# A representation of the symbol. Can be 'foo', 'foo.id', '"foo"' etc.
# - user_number: integer
# The assigned (external) number as used by yylex.
# - is_token: 0 or 1
@@ -497,7 +497,7 @@ m4_define([b4_symbol_actions],
m4_ifval(m4_defn([b4_actions_]),
[switch (m4_default([$2], [yytype]))
{
m4_defn([b4_actions_])
m4_defn([b4_actions_])[]dnl
default:
break;
}dnl
@@ -569,7 +569,7 @@ m4_define([b4_token_format],
# Run actions for the symbol NUMS that all have the same type-name.
# Skip NUMS that have no type-name.
#
# To specify the action to run, define b4_dollar_dollar(NUMBER,
# To specify the action to run, define b4_dollar_dollar(SYMBOL-NUM,
# TAG, TYPE).
m4_define([_b4_type_action],
[b4_symbol_if([$1], [has_type],

9
data/c++.m4
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@@ -528,10 +528,11 @@ m4_define([b4_lhs_value],
[b4_symbol_value([yyval], [$1])])
# b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
# b4_rhs_value(RULE-LENGTH, POS, [TYPE])
# --------------------------------------
# Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
# Expansion of $<TYPE>POS, where the current rule has RULE-LENGTH
# symbols on RHS.
# FIXME: Dead code.
m4_define([b4_rhs_value],
[b4_symbol_value([yysemantic_stack_@{($1) - ($2)@}], [$3])])
@@ -543,9 +544,9 @@ m4_define([b4_lhs_location],
[(yyloc)])
# b4_rhs_location(RULE-LENGTH, NUM)
# b4_rhs_location(RULE-LENGTH, POS)
# ---------------------------------
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# Expansion of @POS, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
[(yylocation_stack_@{($1) - ($2)@})])

4
data/glr.c
View File

@@ -119,10 +119,10 @@ m4_define([b4_lhs_value],
[b4_symbol_value([(*yyvalp)], [$1])])
# b4_rhs_data(RULE-LENGTH, NUM)
# b4_rhs_data(RULE-LENGTH, POS)
# -----------------------------
# Expand to the semantic stack place that contains value and location
# of symbol number NUM in a rule of length RULE-LENGTH.
# of symbol number POS in a rule of length RULE-LENGTH.
m4_define([b4_rhs_data],
[((yyGLRStackItem const *)yyvsp)@{YYFILL (b4_subtract([$2], [$1]))@}.yystate])

4
data/java.m4
View File

@@ -242,9 +242,9 @@ m4_define([b4_lhs_location],
[(yyloc)])
# b4_rhs_location(RULE-LENGTH, NUM)
# b4_rhs_location(RULE-LENGTH, POS)
# ---------------------------------
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# Expansion of @POS, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
[yystack.locationAt ($1-($2))])

20
data/lalr1.cc
View File

@@ -61,23 +61,23 @@ m4_define([b4_lhs_value],
# -----------------
# Expansion of @$.
m4_define([b4_lhs_location],
[yylhs.location])
[yylhs.location])
# b4_rhs_data(RULE-LENGTH, NUM)
# b4_rhs_data(RULE-LENGTH, POS)
# -----------------------------
# Return the data corresponding to the symbol #NUM, where the current
# Return the data corresponding to the symbol #POS, where the current
# rule has RULE-LENGTH symbols on RHS.
m4_define([b4_rhs_data],
[yystack_@{b4_subtract($@)@}])
[yystack_@{b4_subtract($@)@}])
# b4_rhs_state(RULE-LENGTH, NUM)
# b4_rhs_state(RULE-LENGTH, POS)
# ------------------------------
# The state corresponding to the symbol #NUM, where the current
# The state corresponding to the symbol #POS, where the current
# rule has RULE-LENGTH symbols on RHS.
m4_define([b4_rhs_state],
[b4_rhs_data([$1], [$2]).state])
[b4_rhs_data([$1], [$2]).state])
# b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
@@ -93,12 +93,12 @@ m4_define([b4_rhs_value],
[_b4_rhs_value($@)])])
# b4_rhs_location(RULE-LENGTH, NUM)
# b4_rhs_location(RULE-LENGTH, POS)
# ---------------------------------
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# Expansion of @POS, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
[b4_rhs_data([$1], [$2]).location])
[b4_rhs_data([$1], [$2]).location])
# b4_symbol_action(SYMBOL-NUM, KIND)

6
data/yacc.c
View File

@@ -154,12 +154,12 @@ m4_define([b4_lhs_location],
[(yyloc)])
# b4_rhs_location(RULE-LENGTH, NUM)
# b4_rhs_location(RULE-LENGTH, POS)
# ---------------------------------
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# Expansion of @POS, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
[(yylsp@{b4_subtract([$2], [$1])@})])
[(yylsp@{b4_subtract([$2], [$1])@})])
## -------------- ##