Fixed build files
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@ -3,4 +3,6 @@ from . import nodes
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from . import parser
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from .runner import Runner
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from .runner import StopReason
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from .runner import StopReason
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from .__main__ import main
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@ -1,6 +1,3 @@
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if __name__ != "__main__":
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raise ImportError("lamb_engine.__main__ should never be imported. Run it directly.")
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from prompt_toolkit import PromptSession
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from prompt_toolkit import print_formatted_text as printf
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from prompt_toolkit.formatted_text import FormattedText
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@ -9,53 +6,57 @@ from pyparsing import exceptions as ppx
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import lamb_engine
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def main():
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lamb_engine.utils.show_greeting()
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lamb_engine.utils.show_greeting()
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r = lamb_engine.Runner(
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prompt_session = PromptSession(
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style = lamb_engine.utils.style,
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lexer = lamb_engine.utils.LambdaLexer(),
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key_bindings = lamb_engine.utils.bindings
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),
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prompt_message = FormattedText([
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("class:prompt", "==> ")
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])
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)
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r = lamb_engine.Runner(
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prompt_session = PromptSession(
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style = lamb_engine.utils.style,
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lexer = lamb_engine.utils.LambdaLexer(),
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key_bindings = lamb_engine.utils.bindings
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),
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prompt_message = FormattedText([
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("class:prompt", "==> ")
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])
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)
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while True:
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try:
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i = r.prompt()
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while True:
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try:
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i = r.prompt()
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# Catch Ctrl-C and Ctrl-D
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except KeyboardInterrupt:
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printf("\n\nGoodbye.\n")
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break
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except EOFError:
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printf("\n\nGoodbye.\n")
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break
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# Catch Ctrl-C and Ctrl-D
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except KeyboardInterrupt:
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printf("\n\nGoodbye.\n")
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break
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except EOFError:
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printf("\n\nGoodbye.\n")
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break
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# Skip empty lines
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if i.strip() == "":
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continue
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# Skip empty lines
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if i.strip() == "":
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continue
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# Try to run an input line.
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# Catch parse errors and point them out.
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try:
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x = r.run(i)
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except ppx.ParseException as e:
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l = len(to_plain_text(r.prompt_session.message))
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printf(FormattedText([
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("class:err", " "*(e.loc + l) + "^\n"),
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("class:err", f"Syntax error at char {e.loc}."),
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("class:text", "\n")
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]), style = lamb_engine.utils.style)
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continue
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except lamb_engine.nodes.ReductionError as e:
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printf(FormattedText([
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("class:err", f"{e.msg}\n")
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]), style = lamb_engine.utils.style)
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continue
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# Try to run an input line.
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# Catch parse errors and point them out.
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try:
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x = r.run(i)
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except ppx.ParseException as e:
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l = len(to_plain_text(r.prompt_session.message))
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printf(FormattedText([
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("class:err", " "*(e.loc + l) + "^\n"),
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("class:err", f"Syntax error at char {e.loc}."),
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("class:text", "\n")
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]), style = lamb_engine.utils.style)
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continue
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except lamb_engine.nodes.ReductionError as e:
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printf(FormattedText([
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("class:err", f"{e.msg}\n")
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]), style = lamb_engine.utils.style)
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continue
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printf("")
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printf("")
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if __name__ == "__main__":
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main()
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@ -101,7 +101,7 @@ def show_greeting():
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"",
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"<_h> | _.._ _.|_",
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" |_(_|| | ||_)</_h>",
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f" <_v>{version('lamb')}</_v>",
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f" <_v>{version('lamb_engine')}</_v>",
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" __ __",
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" ,-` `` `,",
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" (` <_l>\\</_l> )",
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