8642639575
Add the lexing code for the new portable assembler. It is internal to the assembler, so lives in a subdirectory of cmd/asm/internal. Its only new dependency is the flags package for the assembler, so add that too; it's trivial. That package manages the command-line flags in a central place. The lexer builds on text/scanner to lex the input, including doing a Plan 9-level implementation of the C preprocessor. Change-Id: I262e8717b8c797010afaa5051920839906c0dd19 Reviewed-on: https://go-review.googlesource.com/3195 Reviewed-by: Russ Cox <rsc@golang.org> |
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