mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon MeowandGeoff Romer
250ce4ab00
It was in my mind to add String in order to support libraries in `package`. `print` is added in order to have a String go to stdout. I've tried to do `print` in a way that won't be too hard to add other printable types, but it's probably also somewhat optional here -- that is, if desired, I could remove it. But it was a lot easier to doublecheck `\n` behavior with it, and I suspect it'll be helpful in other tests if it supports more value types. On the side, this also fixes dereferencing in Pattern/Expression Print() calls, which I was noticing printing pointers instead of values. This may be another argument for moving away from passing pointers, since this seems to be a difficult-to-catch error. Co-authored-by: Geoff Romer <gromer@google.com>
80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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# Exceptions. See /LICENSE for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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load("@rules_cc//cc:defs.bzl", "cc_library")
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package(default_visibility = ["//executable_semantics:__subpackages__"])
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cc_library(
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name = "syntax",
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srcs = [
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"lexer.cpp",
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"parse.cpp",
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"parse_and_lex_context.cpp",
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"parse_and_lex_context.h",
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"parser.cpp",
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"parser.h",
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"syntax_helpers.cpp",
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"syntax_helpers.h",
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],
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hdrs = [
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"parse.h",
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],
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# Disable warnings for generated code.
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copts = [
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"-Wno-unneeded-internal-declaration",
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"-Wno-unused-function",
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"-Wno-writable-strings",
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],
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deps = [
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":paren_contents",
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"//common:check",
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"//common:ostream",
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"//common:string_helpers",
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"//executable_semantics/ast:declaration",
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"//executable_semantics/ast:expression",
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"//executable_semantics/common:arena",
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"//executable_semantics/common:error",
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"//executable_semantics/common:tracing_flag",
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"//executable_semantics/interpreter",
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"//executable_semantics/interpreter:typecheck",
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],
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)
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cc_library(
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name = "paren_contents",
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hdrs = ["paren_contents.h"],
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)
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genrule(
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name = "syntax_bison_srcs",
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srcs = ["parser.ypp"],
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outs = [
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"parser.cpp",
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"parser.h",
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],
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cmd = "M4=$(M4) $(BISON) " +
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"--output=$(location parser.cpp) " +
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"--report=state " +
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"--defines=$(location parser.h) " +
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"$(location parser.ypp)",
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toolchains = [
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"@rules_bison//bison:current_bison_toolchain",
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"@rules_m4//m4:current_m4_toolchain",
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],
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)
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genrule(
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name = "syntax_flex_srcs",
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srcs = ["lexer.lpp"],
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outs = ["lexer.cpp"],
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cmd = "M4=$(M4) $(FLEX) " +
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"--outfile=$(location lexer.cpp) " +
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"$(location lexer.lpp)",
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toolchains = [
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"@rules_flex//flex:current_flex_toolchain",
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"@rules_m4//m4:current_m4_toolchain",
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],
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)
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