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-rw-r--r--lib/irb.rb13
-rw-r--r--lib/irb/color.rb13
-rw-r--r--lib/irb/context.rb4
-rw-r--r--lib/irb/input-method.rb3
-rw-r--r--lib/irb/ruby-lex.rb33
5 files changed, 42 insertions, 24 deletions
diff --git a/lib/irb.rb b/lib/irb.rb
index 0c145069c0..749f3ee167 100644
--- a/lib/irb.rb
+++ b/lib/irb.rb
@@ -506,13 +506,15 @@ module IRB
@scanner.set_auto_indent(@context) if @context.auto_indent_mode
- @scanner.each_top_level_statement do |line, line_no|
+ @scanner.each_top_level_statement(@context) do |line, line_no|
signal_status(:IN_EVAL) do
begin
line.untaint if RUBY_VERSION < '2.7'
if IRB.conf[:MEASURE] && IRB.conf[:MEASURE_CALLBACKS].empty?
IRB.set_measure_callback
end
+ # Assignment expression check should be done before @context.evaluate to handle code like `a /2#/ if false; a = 1`
+ is_assignment = assignment_expression?(line)
if IRB.conf[:MEASURE] && !IRB.conf[:MEASURE_CALLBACKS].empty?
result = nil
last_proc = proc{ result = @context.evaluate(line, line_no, exception: exc) }
@@ -529,7 +531,7 @@ module IRB
@context.evaluate(line, line_no, exception: exc)
end
if @context.echo?
- if assignment_expression?(line)
+ if is_assignment
if @context.echo_on_assignment?
output_value(@context.echo_on_assignment? == :truncate)
end
@@ -827,9 +829,12 @@ module IRB
# array of parsed expressions. The first element of each expression is the
# expression's type.
verbose, $VERBOSE = $VERBOSE, nil
- result = ASSIGNMENT_NODE_TYPES.include?(Ripper.sexp(line)&.dig(1,-1,0))
+ code = "#{RubyLex.generate_local_variables_assign_code(@context.local_variables) || 'nil;'}\n#{line}"
+ # Get the last node_type of the line. drop(1) is to ignore the local_variables_assign_code part.
+ node_type = Ripper.sexp(code)&.dig(1)&.drop(1)&.dig(-1, 0)
+ ASSIGNMENT_NODE_TYPES.include?(node_type)
+ ensure
$VERBOSE = verbose
- result
end
ATTR_TTY = "\e[%sm"
diff --git a/lib/irb/color.rb b/lib/irb/color.rb
index 7071696cb2..34912420e4 100644
--- a/lib/irb/color.rb
+++ b/lib/irb/color.rb
@@ -123,13 +123,15 @@ module IRB # :nodoc:
# If `complete` is false (code is incomplete), this does not warn compile_error.
# This option is needed to avoid warning a user when the compile_error is happening
# because the input is not wrong but just incomplete.
- def colorize_code(code, complete: true, ignore_error: false, colorable: colorable?)
+ def colorize_code(code, complete: true, ignore_error: false, colorable: colorable?, local_variables: [])
return code unless colorable
symbol_state = SymbolState.new
colored = +''
+ lvars_code = RubyLex.generate_local_variables_assign_code(local_variables)
+ code_with_lvars = lvars_code ? "#{lvars_code}\n#{code}" : code
- scan(code, allow_last_error: !complete) do |token, str, expr|
+ scan(code_with_lvars, allow_last_error: !complete) do |token, str, expr|
# handle uncolorable code
if token.nil?
colored << Reline::Unicode.escape_for_print(str)
@@ -152,7 +154,12 @@ module IRB # :nodoc:
end
end
end
- colored
+
+ if lvars_code
+ colored.sub(/\A.+\n/, '')
+ else
+ colored
+ end
end
private
diff --git a/lib/irb/context.rb b/lib/irb/context.rb
index 5e07f5dfb0..d238da9350 100644
--- a/lib/irb/context.rb
+++ b/lib/irb/context.rb
@@ -518,5 +518,9 @@ module IRB
end
alias __to_s__ to_s
alias to_s inspect
+
+ def local_variables # :nodoc:
+ workspace.binding.local_variables
+ end
end
end
diff --git a/lib/irb/input-method.rb b/lib/irb/input-method.rb
index aa5cb5adb9..b0110dd09b 100644
--- a/lib/irb/input-method.rb
+++ b/lib/irb/input-method.rb
@@ -286,7 +286,8 @@ module IRB
if IRB.conf[:USE_COLORIZE]
proc do |output, complete: |
next unless IRB::Color.colorable?
- IRB::Color.colorize_code(output, complete: complete)
+ lvars = IRB.CurrentContext&.local_variables || []
+ IRB::Color.colorize_code(output, complete: complete, local_variables: lvars)
end
else
proc do |output|
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb
index cb6d669a72..54ea2a9e7b 100644
--- a/lib/irb/ruby-lex.rb
+++ b/lib/irb/ruby-lex.rb
@@ -136,16 +136,18 @@ class RubyLex
:on_param_error
]
+ def self.generate_local_variables_assign_code(local_variables)
+ "#{local_variables.join('=')}=nil;" unless local_variables.empty?
+ end
+
def self.ripper_lex_without_warning(code, context: nil)
verbose, $VERBOSE = $VERBOSE, nil
- if context
- lvars = context.workspace&.binding&.local_variables
- if lvars && !lvars.empty?
- code = "#{lvars.join('=')}=nil\n#{code}"
- line_no = 0
- else
- line_no = 1
- end
+ lvars_code = generate_local_variables_assign_code(context&.local_variables || [])
+ if lvars_code
+ code = "#{lvars_code}\n#{code}"
+ line_no = 0
+ else
+ line_no = 1
end
compile_with_errors_suppressed(code, line_no: line_no) do |inner_code, line_no|
@@ -214,6 +216,8 @@ class RubyLex
ltype = process_literal_type(tokens)
indent = process_nesting_level(tokens)
continue = process_continue(tokens)
+ lvars_code = self.class.generate_local_variables_assign_code(context&.local_variables || [])
+ code = "#{lvars_code}\n#{code}" if lvars_code
code_block_open = check_code_block(code, tokens)
[ltype, indent, continue, code_block_open]
end
@@ -233,13 +237,13 @@ class RubyLex
@code_block_open = false
end
- def each_top_level_statement
+ def each_top_level_statement(context)
initialize_input
catch(:TERM_INPUT) do
loop do
begin
prompt
- unless l = lex
+ unless l = lex(context)
throw :TERM_INPUT if @line == ''
else
@line_no += l.count("\n")
@@ -269,18 +273,15 @@ class RubyLex
end
end
- def lex
+ def lex(context)
line = @input.call
if @io.respond_to?(:check_termination)
return line # multiline
end
code = @line + (line.nil? ? '' : line)
code.gsub!(/\s*\z/, '').concat("\n")
- @tokens = self.class.ripper_lex_without_warning(code)
- @continue = process_continue
- @code_block_open = check_code_block(code)
- @indent = process_nesting_level
- @ltype = process_literal_type
+ @tokens = self.class.ripper_lex_without_warning(code, context: context)
+ @ltype, @indent, @continue, @code_block_open = check_state(code, @tokens, context: context)
line
end